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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
53904666 | 18 | // Library class for particle pt and y distributions used for |
19 | // muon spectrometer simulations. | |
20 | // To be used with AliGenParam. | |
21 | // The following particle typed can be simulated: | |
22 | // pi, K, phi, omega, eta, J/Psi, Upsilon, charm and beauty mesons. | |
23 | // | |
24 | // andreas.morsch@cern.ch | |
25 | // | |
26 | ||
65fb704d | 27 | #include "TMath.h" |
28 | #include "TRandom.h" | |
f9a1ce31 | 29 | #include "TDatabasePDG.h" |
65fb704d | 30 | |
fe4da5cc | 31 | #include "AliGenMUONlib.h" |
5c3fd7ea | 32 | |
fe4da5cc | 33 | ClassImp(AliGenMUONlib) |
34 | // | |
35 | // Pions | |
75e0cc59 | 36 | Double_t AliGenMUONlib::PtPion(const Double_t *px, const Double_t* /*dummy*/) |
fe4da5cc | 37 | { |
38 | // | |
39 | // PT-PARAMETERIZATION CDF, PRL 61(88) 1819 | |
40 | // POWER LAW FOR PT > 500 MEV | |
41 | // MT SCALING BELOW (T=160 MEV) | |
42 | // | |
d90f80fd | 43 | const Double_t kp0 = 1.3; |
44 | const Double_t kxn = 8.28; | |
45 | const Double_t kxlim=0.5; | |
46 | const Double_t kt=0.160; | |
47 | const Double_t kxmpi=0.139; | |
48 | const Double_t kb=1.; | |
fe4da5cc | 49 | Double_t y, y1, xmpi2, ynorm, a; |
50 | Double_t x=*px; | |
51 | // | |
d90f80fd | 52 | y1=TMath::Power(kp0/(kp0+kxlim),kxn); |
53 | xmpi2=kxmpi*kxmpi; | |
54 | ynorm=kb*(TMath::Exp(-sqrt(kxlim*kxlim+xmpi2)/kt)); | |
fe4da5cc | 55 | a=ynorm/y1; |
d90f80fd | 56 | if (x > kxlim) |
57 | y=a*TMath::Power(kp0/(kp0+x),kxn); | |
fe4da5cc | 58 | else |
d90f80fd | 59 | y=kb*TMath::Exp(-sqrt(x*x+xmpi2)/kt); |
fe4da5cc | 60 | return y*x; |
61 | } | |
753690b0 | 62 | // |
63 | // y-distribution | |
64 | // | |
75e0cc59 | 65 | Double_t AliGenMUONlib::YPion( const Double_t *py, const Double_t */*dummy*/) |
753690b0 | 66 | { |
d90f80fd | 67 | // Pion y |
2280e6af | 68 | Double_t y=TMath::Abs(*py); |
69 | /* | |
d90f80fd | 70 | const Double_t ka = 7000.; |
71 | const Double_t kdy = 4.; | |
d90f80fd | 72 | Double_t ex = y*y/(2*kdy*kdy); |
73 | return ka*TMath::Exp(-ex); | |
2280e6af | 74 | */ |
75 | return 1.16526e+04+y*-3.79886e+03+y*y*4.31130e+02; | |
76 | ||
753690b0 | 77 | } |
78 | // particle composition | |
79 | // | |
65fb704d | 80 | Int_t AliGenMUONlib::IpPion(TRandom *ran) |
753690b0 | 81 | { |
d90f80fd | 82 | // Pion composition |
65fb704d | 83 | if (ran->Rndm() < 0.5) { |
753690b0 | 84 | return 211; |
85 | } else { | |
86 | return -211; | |
87 | } | |
88 | } | |
fe4da5cc | 89 | |
90 | //____________________________________________________________ | |
91 | // | |
92 | // Mt-scaling | |
93 | ||
94 | Double_t AliGenMUONlib::PtScal(Double_t pt, Int_t np) | |
95 | { | |
96 | // SCALING EN MASSE PAR RAPPORT A PTPI | |
97 | // MASS PI,K,ETA,RHO,OMEGA,ETA',PHI | |
d90f80fd | 98 | const Double_t khm[10] = {.13957,.493,.5488,.769,.7826,.958,1.02,0,0,0}; |
fe4da5cc | 99 | // VALUE MESON/PI AT 5 GEV |
d90f80fd | 100 | const Double_t kfmax[10]={1.,0.3,0.55,1.0,1.0,1.0,1.0,0,0,0}; |
a4f206bf | 101 | np--; |
d90f80fd | 102 | Double_t f5=TMath::Power(((sqrt(100.018215)+2.)/(sqrt(100.+khm[np]*khm[np])+2.0)),12.3); |
103 | Double_t fmax2=f5/kfmax[np]; | |
fe4da5cc | 104 | // PIONS |
105 | Double_t ptpion=100.*PtPion(&pt, (Double_t*) 0); | |
106 | Double_t fmtscal=TMath::Power(((sqrt(pt*pt+0.018215)+2.)/ | |
d90f80fd | 107 | (sqrt(pt*pt+khm[np]*khm[np])+2.0)),12.3)/ fmax2; |
fe4da5cc | 108 | return fmtscal*ptpion; |
109 | } | |
110 | // | |
753690b0 | 111 | // kaon |
112 | // | |
113 | // pt-distribution | |
114 | //____________________________________________________________ | |
75e0cc59 | 115 | Double_t AliGenMUONlib::PtKaon( const Double_t *px, const Double_t */*dummy*/) |
753690b0 | 116 | { |
d90f80fd | 117 | // Kaon pT |
a4f206bf | 118 | return PtScal(*px,2); |
753690b0 | 119 | } |
120 | ||
121 | // y-distribution | |
fe4da5cc | 122 | //____________________________________________________________ |
75e0cc59 | 123 | Double_t AliGenMUONlib::YKaon( const Double_t *py, const Double_t */*dummy*/) |
fe4da5cc | 124 | { |
d90f80fd | 125 | // Kaon y |
2280e6af | 126 | Double_t y=TMath::Abs(*py); |
127 | /* | |
d90f80fd | 128 | const Double_t ka = 1000.; |
129 | const Double_t kdy = 4.; | |
fe4da5cc | 130 | // |
d90f80fd | 131 | Double_t ex = y*y/(2*kdy*kdy); |
132 | return ka*TMath::Exp(-ex); | |
2280e6af | 133 | */ |
134 | ||
135 | return 1.16526e+04+y*-3.79886e+03+y*y*4.31130e+02; | |
753690b0 | 136 | } |
137 | ||
138 | // particle composition | |
139 | // | |
65fb704d | 140 | Int_t AliGenMUONlib::IpKaon(TRandom *ran) |
753690b0 | 141 | { |
d90f80fd | 142 | // Kaon composition |
65fb704d | 143 | if (ran->Rndm() < 0.5) { |
753690b0 | 144 | return 321; |
145 | } else { | |
146 | return -321; | |
147 | } | |
fe4da5cc | 148 | } |
753690b0 | 149 | |
fe4da5cc | 150 | // J/Psi |
151 | // | |
152 | // | |
153 | // pt-distribution | |
154 | //____________________________________________________________ | |
7455632e | 155 | Double_t AliGenMUONlib::PtJpsiPPdummy(Double_t x, Double_t energy) |
a4f206bf | 156 | { |
157 | // J/Psi pT | |
7455632e | 158 | // pp |
159 | // from the fit of RHIC, CDF & LHC data, see arXiv:1103.2394 | |
a4f206bf | 160 | // |
7455632e | 161 | const Double_t kpt0 = 1.04*TMath::Power(energy,0.101); |
a4f206bf | 162 | const Double_t kxn = 3.9; |
a4f206bf | 163 | // |
7455632e | 164 | Double_t pass1 = 1.+0.363*(x/kpt0)*(x/kpt0); |
a4f206bf | 165 | return x/TMath::Power(pass1,kxn); |
166 | } | |
167 | ||
7455632e | 168 | Double_t AliGenMUONlib::PtJpsiPP7000(const Double_t *px, const Double_t */*dummy*/) |
a4f206bf | 169 | { |
170 | // J/Psi pT | |
7455632e | 171 | // pp 7 TeV |
a4f206bf | 172 | // |
7455632e | 173 | return PtJpsiPPdummy(*px,7000); |
174 | } | |
175 | ||
755104c5 | 176 | Double_t AliGenMUONlib::PtJpsiPP8000(const Double_t *px, const Double_t */*dummy*/) |
177 | { | |
178 | // J/Psi pT | |
179 | // pp 7 TeV | |
180 | // | |
181 | return PtJpsiPPdummy(*px,8000); | |
182 | } | |
183 | ||
7455632e | 184 | Double_t AliGenMUONlib::PtJpsiPP2760(const Double_t *px, const Double_t */*dummy*/) |
185 | { | |
186 | // J/Psi pT | |
a4f206bf | 187 | // pp 2.76 TeV |
7455632e | 188 | // |
189 | return PtJpsiPPdummy(*px,2760); | |
190 | } | |
a4f206bf | 191 | |
4bac9bd3 | 192 | Double_t AliGenMUONlib::PtJpsiPP4400(const Double_t *px, const Double_t */*dummy*/) |
193 | { | |
194 | // J/Psi pT | |
195 | // pp 4.4 TeV | |
196 | // | |
197 | return PtJpsiPPdummy(*px,4400); | |
198 | } | |
199 | ||
200 | Double_t AliGenMUONlib::PtJpsiPP5030(const Double_t *px, const Double_t */*dummy*/) | |
201 | { | |
202 | // J/Psi pT | |
203 | // pp 5.03 TeV | |
204 | // | |
205 | return PtJpsiPPdummy(*px,5030); | |
206 | } | |
207 | ||
7455632e | 208 | Double_t AliGenMUONlib::PtJpsiPP8800(const Double_t *px, const Double_t */*dummy*/) |
209 | { | |
210 | // J/Psi pT | |
211 | // pp 8.8 TeV | |
212 | // | |
213 | return PtJpsiPPdummy(*px,8800); | |
214 | } | |
215 | ||
216 | Double_t AliGenMUONlib::PtJpsiPbPb2760ShFdummy(Double_t x, Int_t n) | |
217 | { | |
218 | // J/Psi shadowing factor vs pT for PbPb min. bias and 11 centr. bins (in 2.5<y<4) | |
219 | // | |
220 | // PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.66 in 4pi | |
221 | // S.Grigoryan, details presented at the PWG3-Muon meeting (05.10.2011) | |
222 | // https://indico.cern.ch/conferenceDisplay.py?confId=157367 | |
223 | // | |
224 | const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558, | |
225 | 0.428, 0.317, 0.231, 0.156}; | |
226 | const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224, | |
227 | 0.106, 0.041, 0.013, 0.002}; | |
228 | const Double_t c1[7] = {1.6077e+00, 7.6300e-02,-7.1880e-03, 3.4067e-04, | |
229 | -9.2776e-06,1.5138e-07, 1.4652e-09}; | |
230 | const Double_t c2[7] = {6.2047e-01, 5.7653e-02,-4.1414e-03, 1.0301e-04, | |
231 | 9.6205e-07,-7.4098e-08, 5.0946e-09}; | |
232 | Double_t y1, y2; | |
233 | Int_t j; | |
234 | y1 = c1[j = 6]; y2 = c2[6]; | |
235 | while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];} | |
236 | ||
237 | y1 /= 1.+c1[6]*TMath::Power(x,6); | |
238 | y2 /= 1.+c2[6]*TMath::Power(x,6); | |
239 | // | |
240 | y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n]; | |
241 | if(y1<0) y1=0; | |
242 | return y1; | |
243 | } | |
244 | ||
245 | Double_t AliGenMUONlib::PtJpsiPbPb2760(const Double_t *px, const Double_t *dummy) | |
246 | { | |
247 | // J/Psi pT | |
248 | // PbPb 2.76 TeV, minimum bias 0-100 % | |
249 | // | |
250 | return PtJpsiPbPb2760ShFdummy(*px, 0) * PtJpsiPP2760(px, dummy); | |
a4f206bf | 251 | } |
252 | ||
7455632e | 253 | Double_t AliGenMUONlib::PtJpsiPbPb2760c1(const Double_t *px, const Double_t *dummy) |
a4f206bf | 254 | { |
255 | // J/Psi pT | |
7455632e | 256 | // PbPb 2.76 TeV, 1st centrality bin 0-5 % |
a4f206bf | 257 | // |
7455632e | 258 | return PtJpsiPbPb2760ShFdummy(*px, 1) * PtJpsiPP2760(px, dummy); |
259 | } | |
260 | ||
261 | Double_t AliGenMUONlib::PtJpsiPbPb2760c2(const Double_t *px, const Double_t *dummy) | |
262 | { | |
263 | // J/Psi pT | |
264 | // PbPb 2.76 TeV, 2nd centrality bin 5-10 % | |
a4f206bf | 265 | // |
7455632e | 266 | return PtJpsiPbPb2760ShFdummy(*px, 2) * PtJpsiPP2760(px, dummy); |
267 | } | |
268 | ||
269 | Double_t AliGenMUONlib::PtJpsiPbPb2760c3(const Double_t *px, const Double_t *dummy) | |
270 | { | |
271 | // J/Psi pT | |
272 | // PbPb 2.76 TeV, 3rd centrality bin 10-20 % | |
273 | // | |
274 | return PtJpsiPbPb2760ShFdummy(*px, 3) * PtJpsiPP2760(px, dummy); | |
275 | } | |
276 | ||
277 | Double_t AliGenMUONlib::PtJpsiPbPb2760c4(const Double_t *px, const Double_t *dummy) | |
278 | { | |
279 | // J/Psi pT | |
280 | // PbPb 2.76 TeV, 4th centrality bin 20-30 % | |
281 | // | |
282 | return PtJpsiPbPb2760ShFdummy(*px, 4) * PtJpsiPP2760(px, dummy); | |
283 | } | |
284 | ||
285 | Double_t AliGenMUONlib::PtJpsiPbPb2760c5(const Double_t *px, const Double_t *dummy) | |
286 | { | |
287 | // J/Psi pT | |
288 | // PbPb 2.76 TeV, 5th centrality bin 30-40 % | |
289 | // | |
290 | return PtJpsiPbPb2760ShFdummy(*px, 5) * PtJpsiPP2760(px, dummy); | |
291 | } | |
292 | ||
293 | Double_t AliGenMUONlib::PtJpsiPbPb2760c6(const Double_t *px, const Double_t *dummy) | |
294 | { | |
295 | // J/Psi pT | |
296 | // PbPb 2.76 TeV, 6th centrality bin 40-50 % | |
297 | // | |
298 | return PtJpsiPbPb2760ShFdummy(*px, 6) * PtJpsiPP2760(px, dummy); | |
299 | } | |
300 | ||
301 | Double_t AliGenMUONlib::PtJpsiPbPb2760c7(const Double_t *px, const Double_t *dummy) | |
302 | { | |
303 | // J/Psi pT | |
304 | // PbPb 2.76 TeV, 7th centrality bin 50-60 % | |
305 | // | |
306 | return PtJpsiPbPb2760ShFdummy(*px, 7) * PtJpsiPP2760(px, dummy); | |
307 | } | |
308 | ||
309 | Double_t AliGenMUONlib::PtJpsiPbPb2760c8(const Double_t *px, const Double_t *dummy) | |
310 | { | |
311 | // J/Psi pT | |
312 | // PbPb 2.76 TeV, 8th centrality bin 60-70 % | |
313 | // | |
314 | return PtJpsiPbPb2760ShFdummy(*px, 8) * PtJpsiPP2760(px, dummy); | |
315 | } | |
316 | ||
317 | Double_t AliGenMUONlib::PtJpsiPbPb2760c9(const Double_t *px, const Double_t *dummy) | |
318 | { | |
319 | // J/Psi pT | |
320 | // PbPb 2.76 TeV, 9th centrality bin 70-80 % | |
321 | // | |
322 | return PtJpsiPbPb2760ShFdummy(*px, 9) * PtJpsiPP2760(px, dummy); | |
323 | } | |
324 | ||
325 | Double_t AliGenMUONlib::PtJpsiPbPb2760c10(const Double_t *px, const Double_t *dummy) | |
326 | { | |
327 | // J/Psi pT | |
328 | // PbPb 2.76 TeV, 10th centrality bin 80-90 % | |
329 | // | |
330 | return PtJpsiPbPb2760ShFdummy(*px, 10) * PtJpsiPP2760(px, dummy); | |
331 | } | |
332 | ||
333 | Double_t AliGenMUONlib::PtJpsiPbPb2760c11(const Double_t *px, const Double_t *dummy) | |
334 | { | |
335 | // J/Psi pT | |
336 | // PbPb 2.76 TeV, 11th centrality bin 90-100 % | |
337 | // | |
338 | return PtJpsiPbPb2760ShFdummy(*px, 11) * PtJpsiPP2760(px, dummy); | |
339 | } | |
340 | ||
4bac9bd3 | 341 | Double_t AliGenMUONlib::PtJpsiPPb5030ShFdummy(Double_t x, Int_t n) |
342 | { | |
343 | // J/Psi shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4) | |
344 | // | |
345 | // pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi | |
346 | // | |
347 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
348 | const Double_t c[7] = {6.675e-01, 1.808e-02, 2.721e-03,-7.793e-04, 7.504e-05,-3.884e-06, 5.759e-07}; | |
349 | Double_t y; | |
350 | Int_t j; | |
351 | y = c[j = 6]; | |
352 | while (j > 0) y = y * x + c[--j]; | |
353 | y /= 1 + c[6]*TMath::Power(x,6); | |
354 | // | |
355 | return 1 + (y-1)*f[n]; | |
356 | } | |
357 | ||
358 | Double_t AliGenMUONlib::PtJpsiPPb5030(const Double_t *px, const Double_t *dummy) | |
359 | { | |
360 | // J/Psi pT | |
361 | // pPb 5.03 TeV, minimum bias 0-100 % | |
362 | // | |
363 | return PtJpsiPPb5030ShFdummy(*px, 0) * PtJpsiPP5030(px, dummy); | |
364 | } | |
365 | ||
366 | Double_t AliGenMUONlib::PtJpsiPPb5030c1(const Double_t *px, const Double_t *dummy) | |
367 | { | |
368 | // J/Psi pT | |
369 | // pPb 5.03 TeV, 1st centrality bin 0-20 % | |
370 | // | |
371 | return PtJpsiPPb5030ShFdummy(*px, 1) * PtJpsiPP5030(px, dummy); | |
372 | } | |
373 | ||
374 | Double_t AliGenMUONlib::PtJpsiPPb5030c2(const Double_t *px, const Double_t *dummy) | |
375 | { | |
376 | // J/Psi pT | |
377 | // pPb 5.03 TeV, 2nd centrality bin 20-40 % | |
378 | // | |
379 | return PtJpsiPPb5030ShFdummy(*px, 2) * PtJpsiPP5030(px, dummy); | |
380 | } | |
381 | ||
382 | Double_t AliGenMUONlib::PtJpsiPPb5030c3(const Double_t *px, const Double_t *dummy) | |
383 | { | |
384 | // J/Psi pT | |
385 | // pPb 5.03 TeV, 3rd centrality bin 40-60 % | |
386 | // | |
387 | return PtJpsiPPb5030ShFdummy(*px, 3) * PtJpsiPP5030(px, dummy); | |
388 | } | |
389 | ||
390 | Double_t AliGenMUONlib::PtJpsiPPb5030c4(const Double_t *px, const Double_t *dummy) | |
391 | { | |
392 | // J/Psi pT | |
393 | // pPb 5.03 TeV, 4th centrality bin 60-100 % | |
394 | // | |
395 | return PtJpsiPPb5030ShFdummy(*px, 4) * PtJpsiPP5030(px, dummy); | |
396 | } | |
397 | ||
398 | Double_t AliGenMUONlib::PtJpsiPbP5030ShFdummy(Double_t x, Int_t n) | |
399 | { | |
400 | // J/Psi shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4) | |
401 | // | |
402 | // Pbp 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi | |
403 | // | |
404 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
405 | const Double_t c[7] = {8.966e-01, 3.498e-02, 6.637e-03,-1.765e-03, 1.240e-04,-2.086e-06, 4.062e-07}; | |
406 | Double_t y; | |
407 | Int_t j; | |
408 | y = c[j = 6]; | |
409 | while (j > 0) y = y * x + c[--j]; | |
410 | y /= 1 + c[6]*TMath::Power(x,6); | |
411 | // | |
412 | return 1 + (y-1)*f[n]; | |
413 | } | |
414 | ||
415 | Double_t AliGenMUONlib::PtJpsiPbP5030(const Double_t *px, const Double_t *dummy) | |
416 | { | |
417 | // J/Psi pT | |
418 | // Pbp 5.03 TeV, minimum bias 0-100 % | |
419 | // | |
420 | return PtJpsiPbP5030ShFdummy(*px, 0) * PtJpsiPP5030(px, dummy); | |
421 | } | |
422 | ||
423 | Double_t AliGenMUONlib::PtJpsiPbP5030c1(const Double_t *px, const Double_t *dummy) | |
424 | { | |
425 | // J/Psi pT | |
426 | // Pbp 5.03 TeV, 1st centrality bin 0-20 % | |
427 | // | |
428 | return PtJpsiPbP5030ShFdummy(*px, 1) * PtJpsiPP5030(px, dummy); | |
429 | } | |
430 | ||
431 | Double_t AliGenMUONlib::PtJpsiPbP5030c2(const Double_t *px, const Double_t *dummy) | |
432 | { | |
433 | // J/Psi pT | |
434 | // Pbp 5.03 TeV, 2nd centrality bin 20-40 % | |
435 | // | |
436 | return PtJpsiPbP5030ShFdummy(*px, 2) * PtJpsiPP5030(px, dummy); | |
437 | } | |
438 | ||
439 | Double_t AliGenMUONlib::PtJpsiPbP5030c3(const Double_t *px, const Double_t *dummy) | |
440 | { | |
441 | // J/Psi pT | |
442 | // Pbp 5.03 TeV, 3rd centrality bin 40-60 % | |
443 | // | |
444 | return PtJpsiPbP5030ShFdummy(*px, 3) * PtJpsiPP5030(px, dummy); | |
445 | } | |
446 | ||
447 | Double_t AliGenMUONlib::PtJpsiPbP5030c4(const Double_t *px, const Double_t *dummy) | |
448 | { | |
449 | // J/Psi pT | |
450 | // Pbp 5.03 TeV, 4th centrality bin 60-100 % | |
451 | // | |
452 | return PtJpsiPbP5030ShFdummy(*px, 4) * PtJpsiPP5030(px, dummy); | |
453 | } | |
454 | ||
7455632e | 455 | Double_t AliGenMUONlib::PtJpsiPPb8800ShFdummy(Double_t x, Int_t n) |
456 | { | |
457 | // J/Psi shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4) | |
458 | // | |
459 | // pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi | |
460 | // | |
461 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
462 | const Double_t c[7] = {6.4922e-01, 6.4857e-03, 4.7268e-03,-9.5075e-04, | |
463 | 8.4075e-05,-4.2006e-06, 4.9970e-07}; | |
a4f206bf | 464 | Double_t y; |
465 | Int_t j; | |
7455632e | 466 | y = c[j = 6]; |
a4f206bf | 467 | while (j > 0) y = y * x + c[--j]; |
7455632e | 468 | y /= 1 + c[6]*TMath::Power(x,6); |
a4f206bf | 469 | // |
7455632e | 470 | return 1 + (y-1)*f[n]; |
471 | } | |
472 | ||
473 | Double_t AliGenMUONlib::PtJpsiPPb8800(const Double_t *px, const Double_t *dummy) | |
474 | { | |
475 | // J/Psi pT | |
476 | // pPb 8.8 TeV, minimum bias 0-100 % | |
477 | // | |
478 | return PtJpsiPPb8800ShFdummy(*px, 0) * PtJpsiPP8800(px, dummy); | |
479 | } | |
480 | ||
481 | Double_t AliGenMUONlib::PtJpsiPPb8800c1(const Double_t *px, const Double_t *dummy) | |
482 | { | |
483 | // J/Psi pT | |
484 | // pPb 8.8 TeV, 1st centrality bin 0-20 % | |
485 | // | |
486 | return PtJpsiPPb8800ShFdummy(*px, 1) * PtJpsiPP8800(px, dummy); | |
487 | } | |
488 | ||
489 | Double_t AliGenMUONlib::PtJpsiPPb8800c2(const Double_t *px, const Double_t *dummy) | |
490 | { | |
491 | // J/Psi pT | |
492 | // pPb 8.8 TeV, 2nd centrality bin 20-40 % | |
493 | // | |
494 | return PtJpsiPPb8800ShFdummy(*px, 2) * PtJpsiPP8800(px, dummy); | |
495 | } | |
496 | ||
497 | Double_t AliGenMUONlib::PtJpsiPPb8800c3(const Double_t *px, const Double_t *dummy) | |
498 | { | |
499 | // J/Psi pT | |
500 | // pPb 8.8 TeV, 3rd centrality bin 40-60 % | |
501 | // | |
502 | return PtJpsiPPb8800ShFdummy(*px, 3) * PtJpsiPP8800(px, dummy); | |
503 | } | |
504 | ||
505 | Double_t AliGenMUONlib::PtJpsiPPb8800c4(const Double_t *px, const Double_t *dummy) | |
506 | { | |
507 | // J/Psi pT | |
508 | // pPb 8.8 TeV, 4th centrality bin 60-100 % | |
509 | // | |
510 | return PtJpsiPPb8800ShFdummy(*px, 4) * PtJpsiPP8800(px, dummy); | |
511 | } | |
512 | ||
513 | Double_t AliGenMUONlib::PtJpsiPbP8800ShFdummy(Double_t x, Int_t n) | |
514 | { | |
515 | // J/Psi shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4) | |
516 | // | |
517 | // Pbp 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi | |
518 | // | |
519 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
520 | const Double_t c[7] = {8.7562e-01, 2.1944e-02, 7.8509e-03,-1.3979e-03, | |
521 | 3.8513e-05, 4.2008e-06, 1.7088e-06}; | |
522 | Double_t y; | |
523 | Int_t j; | |
524 | y = c[j = 6]; | |
525 | while (j > 0) y = y * x + c[--j]; | |
526 | y /= 1 + c[6]*TMath::Power(x,6); | |
527 | // | |
528 | return 1 + (y-1)*f[n]; | |
529 | } | |
530 | ||
531 | Double_t AliGenMUONlib::PtJpsiPbP8800(const Double_t *px, const Double_t *dummy) | |
532 | { | |
533 | // J/Psi pT | |
534 | // Pbp 8.8 TeV, minimum bias 0-100 % | |
535 | // | |
536 | return PtJpsiPbP8800ShFdummy(*px, 0) * PtJpsiPP8800(px, dummy); | |
537 | } | |
538 | ||
539 | Double_t AliGenMUONlib::PtJpsiPbP8800c1(const Double_t *px, const Double_t *dummy) | |
540 | { | |
541 | // J/Psi pT | |
542 | // Pbp 8.8 TeV, 1st centrality bin 0-20 % | |
543 | // | |
544 | return PtJpsiPbP8800ShFdummy(*px, 1) * PtJpsiPP8800(px, dummy); | |
545 | } | |
546 | ||
547 | Double_t AliGenMUONlib::PtJpsiPbP8800c2(const Double_t *px, const Double_t *dummy) | |
548 | { | |
549 | // J/Psi pT | |
550 | // Pbp 8.8 TeV, 2nd centrality bin 20-40 % | |
551 | // | |
552 | return PtJpsiPbP8800ShFdummy(*px, 2) * PtJpsiPP8800(px, dummy); | |
553 | } | |
554 | ||
555 | Double_t AliGenMUONlib::PtJpsiPbP8800c3(const Double_t *px, const Double_t *dummy) | |
556 | { | |
557 | // J/Psi pT | |
558 | // Pbp 8.8 TeV, 3rd centrality bin 40-60 % | |
559 | // | |
560 | return PtJpsiPbP8800ShFdummy(*px, 3) * PtJpsiPP8800(px, dummy); | |
561 | } | |
562 | ||
563 | Double_t AliGenMUONlib::PtJpsiPbP8800c4(const Double_t *px, const Double_t *dummy) | |
564 | { | |
565 | // J/Psi pT | |
566 | // Pbp 8.8 TeV, 4th centrality bin 60-100 % | |
567 | // | |
568 | return PtJpsiPbP8800ShFdummy(*px, 4) * PtJpsiPP8800(px, dummy); | |
a4f206bf | 569 | } |
570 | ||
75e0cc59 | 571 | Double_t AliGenMUONlib::PtJpsi( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 572 | { |
d90f80fd | 573 | // J/Psi pT |
574 | const Double_t kpt0 = 4.; | |
575 | const Double_t kxn = 3.6; | |
fe4da5cc | 576 | Double_t x=*px; |
577 | // | |
d90f80fd | 578 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); |
579 | return x/TMath::Power(pass1,kxn); | |
fe4da5cc | 580 | } |
05932df6 | 581 | |
75e0cc59 | 582 | Double_t AliGenMUONlib::PtJpsiCDFscaled( const Double_t *px, const Double_t */*dummy*/) |
0e137c25 | 583 | { |
584 | // J/Psi pT | |
9e9ae065 | 585 | // |
586 | // PbPb 5.5 TeV | |
587 | // scaled from CDF data at 2 TeV | |
588 | // see S.Grigoryan, PWG3 Meeting, 27th Oct 2008 | |
589 | ||
590 | const Double_t kpt0 = 5.100; | |
591 | const Double_t kxn = 4.102; | |
592 | Double_t x=*px; | |
593 | // | |
594 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
595 | return x/TMath::Power(pass1,kxn); | |
596 | } | |
597 | ||
75e0cc59 | 598 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP( const Double_t *px, const Double_t */*dummy*/) |
9ff13849 | 599 | { |
600 | // J/Psi pT | |
601 | // | |
602 | // pp 14 TeV | |
9ff13849 | 603 | // scaled from CDF data at 2 TeV |
604 | ||
9e9ae065 | 605 | const Double_t kpt0 = 5.630; |
606 | const Double_t kxn = 4.071; | |
607 | Double_t x=*px; | |
608 | // | |
609 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
610 | return x/TMath::Power(pass1,kxn); | |
611 | } | |
612 | ||
75e0cc59 | 613 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 614 | { |
615 | // J/Psi pT | |
616 | // | |
617 | // pp 10 TeV | |
618 | // scaled from CDF data at 2 TeV | |
619 | ||
620 | const Double_t kpt0 = 5.334; | |
621 | const Double_t kxn = 4.071; | |
622 | Double_t x=*px; | |
623 | // | |
624 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
625 | return x/TMath::Power(pass1,kxn); | |
626 | } | |
627 | ||
9fd56238 | 628 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/) |
629 | { | |
630 | // J/Psi pT | |
631 | // | |
632 | // pp 8.8 TeV | |
633 | // scaled from CDF data at 2 TeV | |
634 | // | |
635 | const Double_t kpt0 = 5.245; | |
636 | const Double_t kxn = 4.071; | |
637 | Double_t x=*px; | |
638 | // | |
639 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
640 | return x/TMath::Power(pass1,kxn); | |
641 | } | |
642 | ||
643 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/) | |
644 | { | |
645 | // J/Psi pT | |
646 | // | |
647 | // pp 7 TeV | |
648 | // scaled from CDF data at 2 TeV | |
649 | ||
650 | const Double_t kpt0 = 5.072; | |
651 | const Double_t kxn = 4.071; | |
652 | Double_t x=*px; | |
653 | // | |
654 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
655 | return x/TMath::Power(pass1,kxn); | |
656 | } | |
657 | ||
658 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/) | |
659 | { | |
660 | // J/Psi pT | |
661 | // | |
662 | // pp 3.94 TeV | |
663 | // scaled from CDF data at 2 TeV | |
664 | // | |
665 | const Double_t kpt0 = 4.647; | |
666 | const Double_t kxn = 4.071; | |
667 | Double_t x=*px; | |
668 | // | |
669 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
670 | return x/TMath::Power(pass1,kxn); | |
671 | } | |
672 | ||
a4f206bf | 673 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP3( const Double_t *px, const Double_t */*dummy*/) |
674 | { | |
675 | // J/Psi pT | |
676 | // | |
677 | // pp 2.76 TeV | |
678 | // scaled from CDF data at 1.9 TeV | |
679 | // | |
680 | const Double_t kpt0 = 4.435; | |
681 | const Double_t kxn = 4.071; | |
682 | Double_t x=*px; | |
683 | // | |
684 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
685 | return x/TMath::Power(pass1,kxn); | |
686 | } | |
687 | ||
688 | Double_t AliGenMUONlib::PtJpsiCDFscaledPP2( const Double_t *px, const Double_t */*dummy*/) | |
689 | { | |
690 | // J/Psi pT | |
691 | // | |
7455632e | 692 | // pp 1.96 TeV |
693 | // fit of the CDF data at 1.96 TeV | |
a4f206bf | 694 | // |
695 | const Double_t kpt0 = 4.233; | |
696 | const Double_t kxn = 4.071; | |
697 | Double_t x=*px; | |
698 | // | |
699 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
700 | return x/TMath::Power(pass1,kxn); | |
701 | } | |
702 | ||
9fd56238 | 703 | Double_t AliGenMUONlib::PtJpsiCDFscaledPPb9( const Double_t *px, const Double_t *dummy) |
704 | { | |
705 | // J/Psi pT | |
706 | // | |
7455632e | 707 | // pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79 |
9fd56238 | 708 | // |
709 | Double_t c[5] = {6.42774e-01, 1.86168e-02, -6.77296e-04, 8.93512e-06, 1.31586e-07}; | |
710 | Double_t x=*px; | |
711 | Double_t y; | |
712 | Int_t j; | |
713 | y = c[j = 4]; | |
714 | while (j > 0) y = y * x + c[--j]; | |
715 | // | |
716 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
717 | return y/d * AliGenMUONlib::PtJpsiCDFscaledPP9(px,dummy); | |
718 | } | |
719 | ||
720 | Double_t AliGenMUONlib::PtJpsiCDFscaledPbP9( const Double_t *px, const Double_t *dummy) | |
721 | { | |
722 | // J/Psi pT | |
723 | // | |
7455632e | 724 | // Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79 |
9fd56238 | 725 | // |
726 | Double_t c[5] = {8.58557e-01, 5.39791e-02, -4.75180e-03, 2.49463e-04, 5.52396e-05}; | |
727 | Double_t x=*px; | |
728 | Double_t y; | |
729 | Int_t j; | |
730 | y = c[j = 4]; | |
731 | while (j > 0) y = y * x + c[--j]; | |
732 | // | |
733 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
734 | return y/d * AliGenMUONlib::PtJpsiCDFscaledPP9(px,dummy); | |
735 | } | |
736 | ||
737 | Double_t AliGenMUONlib::PtJpsiCDFscaledPbPb4( const Double_t *px, const Double_t *dummy) | |
738 | { | |
739 | // J/Psi pT | |
740 | // | |
741 | // PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.66 | |
742 | // | |
743 | Double_t c[5] = {6.01022e-01, 4.70988e-02, -2.27917e-03, 3.09885e-05, 1.31955e-06}; | |
744 | Double_t x=*px; | |
745 | Double_t y; | |
746 | Int_t j; | |
747 | y = c[j = 4]; | |
748 | while (j > 0) y = y * x + c[--j]; | |
749 | // | |
750 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
751 | return y/d * AliGenMUONlib::PtJpsiCDFscaledPP4(px,dummy); | |
752 | } | |
753 | ||
75e0cc59 | 754 | Double_t AliGenMUONlib::PtJpsiFlat( const Double_t */*px*/, const Double_t */*dummy*/ ) |
4ca8d070 | 755 | { |
756 | return 1.; | |
757 | } | |
758 | ||
75e0cc59 | 759 | Double_t AliGenMUONlib::PtJpsiPbPb( const Double_t *px, const Double_t */*dummy*/) |
05932df6 | 760 | { |
1af7144e | 761 | // J/Psi pT spectrum |
05932df6 | 762 | // |
763 | // R. Vogt 2002 | |
764 | // PbPb 5.5 TeV | |
765 | // MRST HO | |
766 | // mc = 1.4 GeV, pt-kick 1 GeV | |
767 | // | |
1af7144e | 768 | Float_t x = px[0]; |
769 | Float_t c[8] = { | |
770 | -2.13098e+00, 9.46552e+00, -5.06799e+00, 1.27260e+00, | |
771 | -1.83806e-01, 1.55853e-02, -7.23241e-04, 1.42105e-05 | |
05932df6 | 772 | }; |
1af7144e | 773 | |
3d905dd7 | 774 | Double_t y; |
36349df1 | 775 | if (x < 10.) { |
3d905dd7 | 776 | Int_t j; |
777 | y = c[j = 7]; | |
778 | while (j > 0) y = y * x +c[--j]; | |
779 | y = x * TMath::Exp(y); | |
780 | } else { | |
781 | y = 0.; | |
782 | } | |
1af7144e | 783 | return y; |
05932df6 | 784 | } |
17d28ba5 | 785 | |
75e0cc59 | 786 | Double_t AliGenMUONlib::PtJpsiBPbPb( const Double_t *px, const Double_t */*dummy*/) |
17d28ba5 | 787 | { |
788 | // J/Psi pT spectrum | |
789 | // B -> J/Psi X | |
790 | Double_t x0 = 4.0384; | |
791 | Double_t n = 3.0288; | |
792 | ||
793 | Double_t x = px[0]; | |
794 | Double_t y = x / TMath::Power((1. + (x/x0)*(x/x0)), n); | |
795 | ||
796 | return y; | |
797 | } | |
798 | ||
799 | ||
75e0cc59 | 800 | Double_t AliGenMUONlib::PtJpsiPP( const Double_t *px, const Double_t */*dummy*/) |
bb6e81ac | 801 | { |
802 | // J/Psi pT spectrum | |
803 | // | |
804 | // R. Vogt 2002 | |
805 | // pp 14 TeV | |
806 | // MRST HO | |
807 | // mc = 1.4 GeV, pt-kick 1 GeV | |
808 | // | |
809 | Float_t x = px[0]; | |
810 | Float_t c[4] = {8.47471e+00, -1.93567e+00, 1.50271e-01, -5.51212e-03}; | |
811 | ||
812 | Double_t y; | |
813 | if (x < 10.) { | |
814 | Int_t j; | |
815 | y = c[j = 3]; | |
816 | while (j > 0) y = y * x +c[--j]; | |
817 | y = x * TMath::Exp(y); | |
818 | } else { | |
819 | y = 0.; | |
820 | } | |
821 | return y; | |
822 | } | |
823 | ||
fe4da5cc | 824 | // |
825 | // y-distribution | |
826 | //____________________________________________________________ | |
7455632e | 827 | Double_t AliGenMUONlib::YJpsiPPdummy(Double_t x, Double_t energy) |
a4f206bf | 828 | { |
829 | // J/Psi y | |
7455632e | 830 | // pp |
a4f206bf | 831 | // from the fit of RHIC + LHC data, see arXiv:1103.2394 |
832 | // | |
7455632e | 833 | x = x/TMath::Log(energy/3.097); |
a4f206bf | 834 | x = x*x; |
7455632e | 835 | Double_t y = TMath::Exp(-x/0.4/0.4/2); |
a4f206bf | 836 | if(x > 1) y=0; |
837 | return y; | |
838 | } | |
839 | ||
7455632e | 840 | Double_t AliGenMUONlib::YJpsiPPpoly(Double_t x, Double_t energy) |
a4f206bf | 841 | { |
842 | // J/Psi y | |
7455632e | 843 | // pp |
a4f206bf | 844 | // from the fit of RHIC + LHC data, see arXiv:1103.2394 |
845 | // | |
7455632e | 846 | x = x/TMath::Log(energy/3.097); |
a4f206bf | 847 | x = x*x; |
7455632e | 848 | Double_t y = 1 - 6.9*x*x; |
849 | if(y < 0) y=0; | |
a4f206bf | 850 | return y; |
851 | } | |
852 | ||
7455632e | 853 | Double_t AliGenMUONlib::YJpsiPP7000(const Double_t *px, const Double_t */*dummy*/) |
a4f206bf | 854 | { |
855 | // J/Psi y | |
7455632e | 856 | // pp 7 TeV |
a4f206bf | 857 | // |
7455632e | 858 | return YJpsiPPdummy(*px, 7000); |
859 | } | |
860 | ||
755104c5 | 861 | Double_t AliGenMUONlib::YJpsiPP8000(const Double_t *px, const Double_t */*dummy*/) |
862 | { | |
863 | // J/Psi y | |
864 | // pp 7 TeV | |
865 | // | |
866 | return YJpsiPPdummy(*px, 8000); | |
867 | } | |
868 | ||
7455632e | 869 | Double_t AliGenMUONlib::YJpsiPP2760(const Double_t *px, const Double_t */*dummy*/) |
870 | { | |
871 | // J/Psi y | |
872 | // pp 2.76 TeV | |
a4f206bf | 873 | // |
7455632e | 874 | return YJpsiPPdummy(*px, 2760); |
875 | } | |
876 | ||
4bac9bd3 | 877 | Double_t AliGenMUONlib::YJpsiPP4400(const Double_t *px, const Double_t */*dummy*/) |
878 | { | |
879 | // J/Psi y | |
880 | // pp 4.4 TeV | |
881 | // | |
882 | return YJpsiPPdummy(*px, 4400); | |
883 | } | |
884 | ||
885 | Double_t AliGenMUONlib::YJpsiPP5030(const Double_t *px, const Double_t */*dummy*/) | |
886 | { | |
887 | // J/Psi y | |
888 | // pp 5.03 TeV | |
889 | // | |
890 | return YJpsiPPdummy(*px, 5030); | |
891 | } | |
892 | ||
7455632e | 893 | Double_t AliGenMUONlib::YJpsiPP8800(const Double_t *px, const Double_t */*dummy*/) |
894 | { | |
895 | // J/Psi y | |
896 | // pp 8.8 TeV | |
897 | // | |
898 | return YJpsiPPdummy(*px, 8800); | |
899 | } | |
900 | ||
901 | Double_t AliGenMUONlib::YJpsiPPpoly7000(const Double_t *px, const Double_t */*dummy*/) | |
902 | { | |
903 | // J/Psi y | |
904 | // pp 7 TeV | |
905 | // | |
906 | return YJpsiPPpoly(*px, 7000); | |
907 | } | |
908 | ||
909 | Double_t AliGenMUONlib::YJpsiPPpoly2760(const Double_t *px, const Double_t */*dummy*/) | |
910 | { | |
911 | // J/Psi y | |
912 | // pp 2.76 TeV | |
913 | // | |
914 | return YJpsiPPpoly(*px, 2760); | |
915 | } | |
916 | ||
917 | Double_t AliGenMUONlib::YJpsiPbPb2760ShFdummy(Double_t x, Int_t n) | |
918 | { | |
919 | // J/Psi shadowing factor vs y for PbPb min. bias and 11 centr. bins | |
920 | // | |
921 | // PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.66 in 4pi | |
922 | // | |
923 | const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558, | |
924 | 0.428, 0.317, 0.231, 0.156}; | |
925 | const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224, | |
926 | 0.106, 0.041, 0.013, 0.002}; | |
927 | const Double_t c1[5] = {1.5591e+00, 7.5827e-03, 2.0676e-03,-1.1717e-04, 1.5237e-06}; | |
928 | const Double_t c2[5] = {6.0861e-01, 4.8854e-03, 1.3685e-03,-7.9182e-05, 1.0475e-06}; | |
929 | ||
930 | x = x*x; | |
931 | Double_t y1, y2; | |
932 | Int_t j; | |
933 | y1 = c1[j = 4]; y2 = c2[4]; | |
934 | while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];} | |
935 | ||
936 | y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n]; | |
937 | if(y1<0) y1=0; | |
938 | return y1; | |
939 | } | |
940 | ||
941 | Double_t AliGenMUONlib::YJpsiPbPb2760(const Double_t *px, const Double_t *dummy) | |
942 | { | |
943 | // J/Psi y | |
944 | // PbPb 2.76 TeV, minimum bias 0-100 % | |
945 | // | |
946 | return YJpsiPbPb2760ShFdummy(*px, 0) * YJpsiPP2760(px, dummy); | |
947 | } | |
948 | ||
949 | Double_t AliGenMUONlib::YJpsiPbPb2760c1(const Double_t *px, const Double_t *dummy) | |
950 | { | |
951 | // J/Psi y | |
952 | // PbPb 2.76 TeV, 1st centrality bin 0-5 % | |
953 | // | |
954 | return YJpsiPbPb2760ShFdummy(*px, 1) * YJpsiPP2760(px, dummy); | |
955 | } | |
956 | ||
957 | Double_t AliGenMUONlib::YJpsiPbPb2760c2(const Double_t *px, const Double_t *dummy) | |
958 | { | |
959 | // J/Psi y | |
960 | // PbPb 2.76 TeV, 2nd centrality bin 5-10 % | |
961 | // | |
962 | return YJpsiPbPb2760ShFdummy(*px, 2) * YJpsiPP2760(px, dummy); | |
963 | } | |
964 | ||
965 | Double_t AliGenMUONlib::YJpsiPbPb2760c3(const Double_t *px, const Double_t *dummy) | |
966 | { | |
967 | // J/Psi y | |
968 | // PbPb 2.76 TeV, 3rd centrality bin 10-20 % | |
969 | // | |
970 | return YJpsiPbPb2760ShFdummy(*px, 3) * YJpsiPP2760(px, dummy); | |
971 | } | |
972 | ||
973 | Double_t AliGenMUONlib::YJpsiPbPb2760c4(const Double_t *px, const Double_t *dummy) | |
974 | { | |
975 | // J/Psi y | |
976 | // PbPb 2.76 TeV, 4th centrality bin 20-30 % | |
977 | // | |
978 | return YJpsiPbPb2760ShFdummy(*px, 4) * YJpsiPP2760(px, dummy); | |
979 | } | |
980 | ||
981 | Double_t AliGenMUONlib::YJpsiPbPb2760c5(const Double_t *px, const Double_t *dummy) | |
982 | { | |
983 | // J/Psi y | |
984 | // PbPb 2.76 TeV, 5th centrality bin 30-40 % | |
985 | // | |
986 | return YJpsiPbPb2760ShFdummy(*px, 5) * YJpsiPP2760(px, dummy); | |
987 | } | |
988 | ||
989 | Double_t AliGenMUONlib::YJpsiPbPb2760c6(const Double_t *px, const Double_t *dummy) | |
990 | { | |
991 | // J/Psi y | |
992 | // PbPb 2.76 TeV, 6th centrality bin 40-50 % | |
993 | // | |
994 | return YJpsiPbPb2760ShFdummy(*px, 6) * YJpsiPP2760(px, dummy); | |
995 | } | |
996 | ||
997 | Double_t AliGenMUONlib::YJpsiPbPb2760c7(const Double_t *px, const Double_t *dummy) | |
998 | { | |
999 | // J/Psi y | |
1000 | // PbPb 2.76 TeV, 7th centrality bin 50-60 % | |
1001 | // | |
1002 | return YJpsiPbPb2760ShFdummy(*px, 7) * YJpsiPP2760(px, dummy); | |
1003 | } | |
1004 | ||
1005 | Double_t AliGenMUONlib::YJpsiPbPb2760c8(const Double_t *px, const Double_t *dummy) | |
1006 | { | |
1007 | // J/Psi y | |
1008 | // PbPb 2.76 TeV, 8th centrality bin 60-70 % | |
1009 | // | |
1010 | return YJpsiPbPb2760ShFdummy(*px, 8) * YJpsiPP2760(px, dummy); | |
1011 | } | |
1012 | ||
1013 | Double_t AliGenMUONlib::YJpsiPbPb2760c9(const Double_t *px, const Double_t *dummy) | |
1014 | { | |
1015 | // J/Psi y | |
1016 | // PbPb 2.76 TeV, 9th centrality bin 70-80 % | |
1017 | // | |
1018 | return YJpsiPbPb2760ShFdummy(*px, 9) * YJpsiPP2760(px, dummy); | |
1019 | } | |
1020 | ||
1021 | Double_t AliGenMUONlib::YJpsiPbPb2760c10(const Double_t *px, const Double_t *dummy) | |
1022 | { | |
1023 | // J/Psi y | |
1024 | // PbPb 2.76 TeV, 10th centrality bin 80-90 % | |
1025 | // | |
1026 | return YJpsiPbPb2760ShFdummy(*px, 10) * YJpsiPP2760(px, dummy); | |
1027 | } | |
1028 | ||
1029 | Double_t AliGenMUONlib::YJpsiPbPb2760c11(const Double_t *px, const Double_t *dummy) | |
1030 | { | |
1031 | // J/Psi y | |
1032 | // PbPb 2.76 TeV, 11th centrality bin 90-100 % | |
1033 | // | |
1034 | return YJpsiPbPb2760ShFdummy(*px, 11) * YJpsiPP2760(px, dummy); | |
1035 | } | |
1036 | ||
4bac9bd3 | 1037 | Double_t AliGenMUONlib::YJpsiPP5030dummy(Double_t px) |
1038 | { | |
1039 | return AliGenMUONlib::YJpsiPP5030(&px, (Double_t*) 0); | |
1040 | } | |
1041 | ||
1042 | Double_t AliGenMUONlib::YJpsiPPb5030ShFdummy(Double_t x, Int_t n) | |
1043 | { | |
1044 | // J/Psi shadowing factor vs y for pPb min. bias and 4 centr. bins | |
1045 | // | |
1046 | // pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi | |
1047 | // | |
1048 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
1049 | const Double_t c[7] = {7.641e-01, 1.611e-02, 4.109e-03, 2.818e-03, 3.359e-04,-6.376e-05,-9.717e-06}; | |
1050 | Double_t y; | |
1051 | Int_t j; | |
1052 | y = c[j = 6]; | |
1053 | while (j > 0) y = y * x + c[--j]; | |
1054 | if(y<0) y=0; | |
1055 | // | |
1056 | return 1 +(y-1)*f[n]; | |
1057 | } | |
1058 | ||
1059 | Double_t AliGenMUONlib::YJpsiPPb5030(const Double_t *px, const Double_t */*dummy*/) | |
1060 | { | |
1061 | // J/Psi y | |
1062 | // pPb 5.03 TeV, minimum bias 0-100 % | |
1063 | // | |
1064 | Double_t x = px[0] + 0.47; // rapidity shift | |
1065 | return YJpsiPPb5030ShFdummy(x, 0) * YJpsiPP5030dummy(x); | |
1066 | } | |
1067 | ||
1068 | Double_t AliGenMUONlib::YJpsiPPb5030c1(const Double_t *px, const Double_t */*dummy*/) | |
1069 | { | |
1070 | // J/Psi y | |
1071 | // pPb 5.03 TeV, 1st centrality bin 0-20 % | |
1072 | // | |
1073 | Double_t x = px[0] + 0.47; // rapidity shift | |
1074 | return YJpsiPPb5030ShFdummy(x, 1) * YJpsiPP5030dummy(x); | |
1075 | } | |
1076 | ||
1077 | Double_t AliGenMUONlib::YJpsiPPb5030c2(const Double_t *px, const Double_t */*dummy*/) | |
1078 | { | |
1079 | // J/Psi y | |
1080 | // pPb 5.03 TeV, 2nd centrality bin 20-40 % | |
1081 | // | |
1082 | Double_t x = px[0] + 0.47; // rapidity shift | |
1083 | return YJpsiPPb5030ShFdummy(x, 2) * YJpsiPP5030dummy(x); | |
1084 | } | |
1085 | ||
1086 | Double_t AliGenMUONlib::YJpsiPPb5030c3(const Double_t *px, const Double_t */*dummy*/) | |
1087 | { | |
1088 | // J/Psi y | |
1089 | // pPb 5.03 TeV, 3rd centrality bin 40-60 % | |
1090 | // | |
1091 | Double_t x = px[0] + 0.47; // rapidity shift | |
1092 | return YJpsiPPb5030ShFdummy(x, 3) * YJpsiPP5030dummy(x); | |
1093 | } | |
1094 | ||
1095 | Double_t AliGenMUONlib::YJpsiPPb5030c4(const Double_t *px, const Double_t */*dummy*/) | |
1096 | { | |
1097 | // J/Psi y | |
1098 | // pPb 5.03 TeV, 4th centrality bin 60-100 % | |
1099 | // | |
1100 | Double_t x = px[0] + 0.47; // rapidity shift | |
1101 | return YJpsiPPb5030ShFdummy(x, 4) * YJpsiPP5030dummy(x); | |
1102 | } | |
1103 | ||
1104 | Double_t AliGenMUONlib::YJpsiPbP5030(const Double_t *px, const Double_t */*dummy*/) | |
1105 | { | |
1106 | // J/Psi y | |
1107 | // Pbp 5.03 TeV, minimum bias 0-100 % | |
1108 | // | |
1109 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1110 | return YJpsiPPb5030ShFdummy(x, 0) * YJpsiPP5030dummy(x); | |
1111 | } | |
1112 | ||
1113 | Double_t AliGenMUONlib::YJpsiPbP5030c1(const Double_t *px, const Double_t */*dummy*/) | |
1114 | { | |
1115 | // J/Psi y | |
1116 | // Pbp 5.03 TeV, 1st centrality bin 0-20 % | |
1117 | // | |
1118 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1119 | return YJpsiPPb5030ShFdummy(x, 1) * YJpsiPP5030dummy(x); | |
1120 | } | |
1121 | ||
1122 | Double_t AliGenMUONlib::YJpsiPbP5030c2(const Double_t *px, const Double_t */*dummy*/) | |
1123 | { | |
1124 | // J/Psi y | |
1125 | // Pbp 5.03 TeV, 2nd centrality bin 20-40 % | |
1126 | // | |
1127 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1128 | return YJpsiPPb5030ShFdummy(x, 2) * YJpsiPP5030dummy(x); | |
1129 | } | |
1130 | ||
1131 | Double_t AliGenMUONlib::YJpsiPbP5030c3(const Double_t *px, const Double_t */*dummy*/) | |
1132 | { | |
1133 | // J/Psi y | |
1134 | // Pbp 5.03 TeV, 3rd centrality bin 40-60 % | |
1135 | // | |
1136 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1137 | return YJpsiPPb5030ShFdummy(x, 3) * YJpsiPP5030dummy(x); | |
1138 | } | |
1139 | ||
1140 | Double_t AliGenMUONlib::YJpsiPbP5030c4(const Double_t *px, const Double_t */*dummy*/) | |
1141 | { | |
1142 | // J/Psi y | |
1143 | // Pbp 5.03 TeV, 4th centrality bin 60-100 % | |
1144 | // | |
1145 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1146 | return YJpsiPPb5030ShFdummy(x, 4) * YJpsiPP5030dummy(x); | |
1147 | } | |
1148 | ||
7455632e | 1149 | Double_t AliGenMUONlib::YJpsiPP8800dummy(Double_t px) |
1150 | { | |
1151 | return AliGenMUONlib::YJpsiPP8800(&px, (Double_t*) 0); | |
1152 | } | |
1153 | ||
1154 | Double_t AliGenMUONlib::YJpsiPPb8800ShFdummy(Double_t x, Int_t n) | |
1155 | { | |
1156 | // J/Psi shadowing factor vs y for pPb min. bias and 4 centr. bins | |
1157 | // | |
1158 | // pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi | |
1159 | // | |
1160 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
1161 | const Double_t c[7] = {7.4372e-01, 2.3299e-02, 2.8678e-03, 1.9595e-03, | |
1162 | 3.2849e-04,-4.0547e-05,-7.9732e-06}; | |
a4f206bf | 1163 | Double_t y; |
1164 | Int_t j; | |
7455632e | 1165 | y = c[j = 6]; |
1166 | while (j > 0) y = y * x + c[--j]; | |
a4f206bf | 1167 | if(y<0) y=0; |
7455632e | 1168 | // |
1169 | return 1 +(y-1)*f[n]; | |
1170 | } | |
1171 | ||
1172 | Double_t AliGenMUONlib::YJpsiPPb8800(const Double_t *px, const Double_t */*dummy*/) | |
1173 | { | |
1174 | // J/Psi y | |
1175 | // pPb 8.8 TeV, minimum bias 0-100 % | |
1176 | // | |
1177 | Double_t x = px[0] + 0.47; // rapidity shift | |
1178 | return YJpsiPPb8800ShFdummy(x, 0) * YJpsiPP8800dummy(x); | |
1179 | } | |
1180 | ||
1181 | Double_t AliGenMUONlib::YJpsiPPb8800c1(const Double_t *px, const Double_t */*dummy*/) | |
1182 | { | |
1183 | // J/Psi y | |
1184 | // pPb 8.8 TeV, 1st centrality bin 0-20 % | |
1185 | // | |
1186 | Double_t x = px[0] + 0.47; // rapidity shift | |
1187 | return YJpsiPPb8800ShFdummy(x, 1) * YJpsiPP8800dummy(x); | |
1188 | } | |
1189 | ||
1190 | Double_t AliGenMUONlib::YJpsiPPb8800c2(const Double_t *px, const Double_t */*dummy*/) | |
1191 | { | |
1192 | // J/Psi y | |
1193 | // pPb 8.8 TeV, 2nd centrality bin 20-40 % | |
1194 | // | |
1195 | Double_t x = px[0] + 0.47; // rapidity shift | |
1196 | return YJpsiPPb8800ShFdummy(x, 2) * YJpsiPP8800dummy(x); | |
1197 | } | |
1198 | ||
1199 | Double_t AliGenMUONlib::YJpsiPPb8800c3(const Double_t *px, const Double_t */*dummy*/) | |
1200 | { | |
1201 | // J/Psi y | |
1202 | // pPb 8.8 TeV, 3rd centrality bin 40-60 % | |
1203 | // | |
1204 | Double_t x = px[0] + 0.47; // rapidity shift | |
1205 | return YJpsiPPb8800ShFdummy(x, 3) * YJpsiPP8800dummy(x); | |
1206 | } | |
1207 | ||
1208 | Double_t AliGenMUONlib::YJpsiPPb8800c4(const Double_t *px, const Double_t */*dummy*/) | |
1209 | { | |
1210 | // J/Psi y | |
1211 | // pPb 8.8 TeV, 4th centrality bin 60-100 % | |
1212 | // | |
1213 | Double_t x = px[0] + 0.47; // rapidity shift | |
1214 | return YJpsiPPb8800ShFdummy(x, 4) * YJpsiPP8800dummy(x); | |
1215 | } | |
a4f206bf | 1216 | |
7455632e | 1217 | Double_t AliGenMUONlib::YJpsiPbP8800(const Double_t *px, const Double_t */*dummy*/) |
1218 | { | |
1219 | // J/Psi y | |
1220 | // Pbp 8.8 TeV, minimum bias 0-100 % | |
1221 | // | |
1222 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1223 | return YJpsiPPb8800ShFdummy(x, 0) * YJpsiPP8800dummy(x); | |
1224 | } | |
1225 | ||
1226 | Double_t AliGenMUONlib::YJpsiPbP8800c1(const Double_t *px, const Double_t */*dummy*/) | |
1227 | { | |
1228 | // J/Psi y | |
1229 | // Pbp 8.8 TeV, 1st centrality bin 0-20 % | |
1230 | // | |
1231 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1232 | return YJpsiPPb8800ShFdummy(x, 1) * YJpsiPP8800dummy(x); | |
1233 | } | |
1234 | ||
1235 | Double_t AliGenMUONlib::YJpsiPbP8800c2(const Double_t *px, const Double_t */*dummy*/) | |
1236 | { | |
1237 | // J/Psi y | |
1238 | // Pbp 8.8 TeV, 2nd centrality bin 20-40 % | |
1239 | // | |
1240 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1241 | return YJpsiPPb8800ShFdummy(x, 2) * YJpsiPP8800dummy(x); | |
1242 | } | |
1243 | ||
1244 | Double_t AliGenMUONlib::YJpsiPbP8800c3(const Double_t *px, const Double_t */*dummy*/) | |
1245 | { | |
1246 | // J/Psi y | |
1247 | // Pbp 8.8 TeV, 3rd centrality bin 40-60 % | |
1248 | // | |
1249 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1250 | return YJpsiPPb8800ShFdummy(x, 3) * YJpsiPP8800dummy(x); | |
1251 | } | |
1252 | ||
1253 | Double_t AliGenMUONlib::YJpsiPbP8800c4(const Double_t *px, const Double_t */*dummy*/) | |
1254 | { | |
1255 | // J/Psi y | |
1256 | // Pbp 8.8 TeV, 4th centrality bin 60-100 % | |
1257 | // | |
1258 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1259 | return YJpsiPPb8800ShFdummy(x, 4) * YJpsiPP8800dummy(x); | |
a4f206bf | 1260 | } |
1261 | ||
75e0cc59 | 1262 | Double_t AliGenMUONlib::YJpsi(const Double_t *py, const Double_t */*dummy*/) |
fe4da5cc | 1263 | { |
d90f80fd | 1264 | // J/psi y |
1265 | const Double_t ky0 = 4.; | |
1266 | const Double_t kb=1.; | |
fe4da5cc | 1267 | Double_t yj; |
1268 | Double_t y=TMath::Abs(*py); | |
1269 | // | |
d90f80fd | 1270 | if (y < ky0) |
1271 | yj=kb; | |
fe4da5cc | 1272 | else |
d90f80fd | 1273 | yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); |
fe4da5cc | 1274 | return yj; |
1275 | } | |
05932df6 | 1276 | |
75e0cc59 | 1277 | Double_t AliGenMUONlib::YJpsiFlat( const Double_t */*py*/, const Double_t */*dummy*/ ) |
4ca8d070 | 1278 | { |
1279 | return 1.; | |
1280 | } | |
1281 | ||
05932df6 | 1282 | |
75e0cc59 | 1283 | Double_t AliGenMUONlib::YJpsiPbPb( const Double_t *px, const Double_t */*dummy*/) |
05932df6 | 1284 | { |
1285 | ||
1286 | // | |
1287 | // J/Psi y | |
1288 | // | |
1289 | // | |
1290 | // R. Vogt 2002 | |
1291 | // PbPb 5.5 TeV | |
1292 | // MRST HO | |
1293 | // mc = 1.4 GeV, pt-kick 1 GeV | |
1294 | // | |
1af7144e | 1295 | Double_t c[5] = {-6.03425e+02, 4.98257e+02, -1.38794e+02, 1.62209e+01, -6.85955e-01}; |
1296 | Double_t x = TMath::Abs(px[0]); | |
1297 | Double_t y; | |
1298 | ||
1299 | if (x < 4.) { | |
1300 | y = 31.754; | |
1301 | } else if (x < 6) { | |
1302 | Int_t j; | |
1303 | y = c[j = 4]; | |
1304 | while (j > 0) y = y * x + c[--j]; | |
1305 | } else { | |
1306 | y =0.; | |
1307 | } | |
1308 | ||
1309 | return y; | |
05932df6 | 1310 | } |
1311 | ||
75e0cc59 | 1312 | Double_t AliGenMUONlib::YJpsiCDFscaled( const Double_t *px, const Double_t* dummy) |
0e137c25 | 1313 | { |
1314 | // J/Psi y | |
1315 | return AliGenMUONlib::YJpsiPbPb(px, dummy); | |
1316 | } | |
1317 | ||
75e0cc59 | 1318 | Double_t AliGenMUONlib::YJpsiCDFscaledPP( const Double_t *px, const Double_t* dummy) |
9ff13849 | 1319 | { |
1320 | // J/Psi y | |
1321 | return AliGenMUONlib::YJpsiPP(px, dummy); | |
1322 | } | |
0e137c25 | 1323 | |
75e0cc59 | 1324 | Double_t AliGenMUONlib::YJpsiCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 1325 | { |
9e9ae065 | 1326 | // J/Psi y |
1327 | // | |
1328 | // pp 10 TeV | |
1329 | // scaled from YJpsiPP(14 TeV) using 10 TeV / 14 TeV ratio of y-spectra in LO pQCD. | |
1330 | // see S.Grigoryan, PWG3 Meeting, 27th Oct 2008 | |
1331 | // | |
1332 | ||
1333 | Double_t c[5] = {2.46681e+01, 8.91486e+01, -3.21227e+01, 3.63075e+00, -1.32047e-01}; | |
1334 | ||
1335 | Double_t x = TMath::Abs(px[0]); | |
1336 | Double_t y; | |
1337 | ||
1338 | if (x < 3.2) { | |
1339 | y = 98.523 - 1.3664 * x * x; | |
1340 | } else if (x < 7.5) { | |
1341 | Int_t j; | |
1342 | y = c[j = 4]; | |
1343 | while (j > 0) y = y * x + c[--j]; | |
1344 | } else { | |
1345 | y =0.; | |
1346 | } | |
1347 | ||
1348 | if(y<0) y=0; | |
1349 | ||
1350 | return y; | |
1351 | } | |
1352 | ||
9fd56238 | 1353 | Double_t AliGenMUONlib::YJpsiCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/) |
1354 | { | |
1355 | // J/Psi y | |
1356 | // | |
1357 | // pp 8.8 TeV | |
1358 | // rescaling of YJpsiPP(14 TeV) using 8.8 TeV / 14 TeV ratio of y-spectra in LO QCD | |
1359 | // | |
1360 | Double_t c[5] = {3.33882e+02, -1.30980e+02, 2.59082e+01, -3.08935e+00, 1.56375e-01}; | |
1361 | Double_t x = TMath::Abs(px[0]); | |
1362 | Double_t y; | |
1363 | ||
1364 | if (x < 3.7) { | |
1365 | y = 99.236 - 1.5498 * x * x; | |
1366 | } else if (x < 7.4) { | |
1367 | Int_t j; | |
1368 | y = c[j = 4]; | |
1369 | while (j > 0) y = y * x + c[--j]; | |
1370 | } else { | |
1371 | y =0.; | |
1372 | } | |
1373 | ||
1374 | if(y<0) y=0; | |
1375 | ||
1376 | return y; | |
1377 | } | |
1378 | ||
1379 | Double_t AliGenMUONlib::YJpsiCDFscaledPP9dummy(Double_t px) | |
1380 | { | |
1381 | return AliGenMUONlib::YJpsiCDFscaledPP9(&px, (Double_t*) 0); | |
1382 | } | |
1383 | ||
1384 | Double_t AliGenMUONlib::YJpsiCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/) | |
1385 | { | |
1386 | // J/Psi y | |
1387 | // | |
1388 | // pp 7 TeV | |
1389 | // scaled from YJpsiPP(14 TeV) using 7 TeV / 14 TeV ratio of y-spectra in LO pQCD. | |
1390 | // | |
1391 | ||
1392 | Double_t c[5] = {6.71181e+02, -3.69240e+02, 8.89644e+01, -1.04937e+01, 4.80959e-01}; | |
1393 | ||
1394 | Double_t x = TMath::Abs(px[0]); | |
1395 | Double_t y; | |
1396 | ||
1397 | if (x < 4.0) { | |
1398 | y = 100.78 - 1.8353 * x * x; | |
1399 | } else if (x < 7.3) { | |
1400 | Int_t j; | |
1401 | y = c[j = 4]; | |
1402 | while (j > 0) y = y * x + c[--j]; | |
1403 | } else { | |
1404 | y =0.; | |
1405 | } | |
1406 | ||
1407 | if(y<0) y=0; | |
1408 | ||
1409 | return y; | |
1410 | } | |
1411 | ||
1412 | Double_t AliGenMUONlib::YJpsiCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/) | |
1413 | { | |
1414 | // J/Psi y | |
1415 | // | |
1416 | // pp 3.94 TeV | |
1417 | // rescaling of YJpsiPP(14 TeV) using 3.94 TeV / 14 TeV ratio of y-spectra in LO QCD | |
1418 | // | |
1419 | Double_t c[5] = {4.00785e+02, -1.41159e+01, -3.28599e+01, 5.53048e+00, -2.45151e-01}; | |
1420 | Double_t x = TMath::Abs(px[0]); | |
1421 | Double_t y; | |
1422 | ||
1423 | if (x < 5.5) { | |
1424 | y = 107.389 - 2.7454 * x * x; | |
1425 | } else if (x < 7.0) { | |
1426 | Int_t j; | |
1427 | y = c[j = 4]; | |
1428 | while (j > 0) y = y * x + c[--j]; | |
1429 | } else { | |
1430 | y =0.; | |
1431 | } | |
1432 | ||
1433 | if(y<0) y=0; | |
1434 | ||
1435 | return y; | |
1436 | } | |
1437 | ||
a4f206bf | 1438 | Double_t AliGenMUONlib::YJpsiCDFscaledPP3( const Double_t *px, const Double_t *dummy) |
1439 | { | |
1440 | // J/Psi y | |
1441 | return AliGenMUONlib::YJpsiPP2760(px, dummy); | |
1442 | } | |
1443 | ||
1444 | Double_t AliGenMUONlib::YJpsiCDFscaledPP2( const Double_t *px, const Double_t */*dummy*/) | |
1445 | { | |
1446 | // J/Psi y | |
7455632e | 1447 | // pp 1.96 TeV |
a4f206bf | 1448 | // |
7455632e | 1449 | return YJpsiPPdummy(*px, 1960); |
a4f206bf | 1450 | } |
1451 | ||
75e0cc59 | 1452 | Double_t AliGenMUONlib::YJpsiPP( const Double_t *px, const Double_t */*dummy*/) |
bb6e81ac | 1453 | { |
1454 | ||
1455 | // | |
1456 | // J/Psi y | |
1457 | // | |
1458 | // | |
1459 | // R. Vogt 2002 | |
1460 | // pp 14 TeV | |
1461 | // MRST HO | |
1462 | // mc = 1.4 GeV, pt-kick 1 GeV | |
1463 | // | |
1464 | ||
1465 | Double_t c[5] = {1.38532e+00, 1.00596e+02, -3.46378e+01, 3.94172e+00, -1.48319e-01}; | |
1466 | Double_t x = TMath::Abs(px[0]); | |
1467 | Double_t y; | |
1468 | ||
1469 | if (x < 2.5) { | |
1470 | y = 96.455 - 0.8483 * x * x; | |
1471 | } else if (x < 7.9) { | |
1472 | Int_t j; | |
1473 | y = c[j = 4]; | |
1474 | while (j > 0) y = y * x + c[--j]; | |
1475 | } else { | |
1476 | y =0.; | |
1477 | } | |
1478 | ||
1479 | return y; | |
1480 | } | |
1481 | ||
9fd56238 | 1482 | Double_t AliGenMUONlib::YJpsiCDFscaledPPb9( const Double_t *px, const Double_t */*dummy*/) |
1483 | { | |
1484 | // J/Psi y | |
1485 | // | |
7455632e | 1486 | // pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79 |
9fd56238 | 1487 | // |
1488 | Double_t c[7] = {7.52296e-01, 2.49917e-02, 3.36500e-03, 1.91187e-03, 2.92154e-04, | |
1489 | -4.16509e-05,-7.62709e-06}; | |
1490 | Double_t y; | |
1491 | Double_t x = px[0] + 0.47; // rapidity shift | |
1492 | Int_t j; | |
1493 | y = c[j = 6]; | |
1494 | while (j > 0) y = y * x + c[--j]; | |
1495 | if(y<0) y=0; | |
1496 | ||
1497 | return y * AliGenMUONlib::YJpsiCDFscaledPP9dummy(x); | |
1498 | } | |
1499 | ||
1500 | Double_t AliGenMUONlib::YJpsiCDFscaledPbP9( const Double_t *px, const Double_t */*dummy*/) | |
1501 | { | |
1502 | // J/Psi y | |
1503 | // | |
7455632e | 1504 | // Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79 |
9fd56238 | 1505 | // |
1506 | Double_t c[7] = {7.52296e-01, 2.49917e-02, 3.36500e-03, 1.91187e-03, 2.92154e-04, | |
1507 | -4.16509e-05,-7.62709e-06}; | |
1508 | Double_t y; | |
1509 | Double_t x = -px[0] + 0.47; // rapidity shift | |
1510 | Int_t j; | |
1511 | y = c[j = 6]; | |
1512 | while (j > 0) y = y * x + c[--j]; | |
1513 | if(y<0) y=0; | |
1514 | ||
1515 | return y * AliGenMUONlib::YJpsiCDFscaledPP9dummy(x); | |
1516 | } | |
1517 | ||
1518 | Double_t AliGenMUONlib::YJpsiCDFscaledPbPb4( const Double_t *px, const Double_t *dummy) | |
1519 | { | |
1520 | // J/Psi y | |
1521 | // | |
1522 | // PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.66 | |
1523 | // | |
1524 | Double_t c[4] = {5.95228e-01, 9.45069e-03, 2.44710e-04, -1.32894e-05}; | |
1525 | Double_t x = px[0]*px[0]; | |
1526 | Double_t y; | |
1527 | Int_t j; | |
1528 | y = c[j = 3]; | |
1529 | while (j > 0) y = y * x + c[--j]; | |
1530 | if(y<0) y=0; | |
1531 | ||
1532 | return y * AliGenMUONlib::YJpsiCDFscaledPP4(px,dummy); | |
1533 | } | |
1534 | ||
7455632e | 1535 | Double_t AliGenMUONlib::YJpsiBPbPb( const Double_t *px, const Double_t */*dummy*/) |
1536 | { | |
1537 | ||
1538 | // | |
1539 | // J/Psi from B->J/Psi X | |
1540 | // | |
1541 | // | |
1542 | ||
1543 | ||
1544 | Double_t c[7] = {7.37025e-02, 0., -2.94487e-03, 0., 6.07953e-06, 0., 5.39219e-07}; | |
1545 | ||
1546 | Double_t x = TMath::Abs(px[0]); | |
1547 | Double_t y; | |
1548 | ||
1549 | if (x > 6.) { | |
1550 | y = 0.; | |
1551 | } else { | |
1552 | Int_t j; | |
1553 | y = c[j = 6]; | |
1554 | while (j > 0) y = y * x + c[--j]; | |
1555 | } | |
1556 | ||
1557 | return y; | |
1558 | } | |
1559 | ||
1560 | ||
1561 | ||
1562 | // particle composition | |
1563 | // | |
1564 | Int_t AliGenMUONlib::IpJpsi(TRandom *) | |
1565 | { | |
1566 | // J/Psi composition | |
1567 | return 443; | |
1568 | } | |
1569 | Int_t AliGenMUONlib::IpPsiP(TRandom *) | |
1570 | { | |
1571 | // Psi prime composition | |
1572 | return 100443; | |
1573 | } | |
1574 | Int_t AliGenMUONlib::IpJpsiFamily(TRandom *) | |
1575 | { | |
1576 | // J/Psi composition | |
1577 | Int_t ip; | |
1578 | Float_t r = gRandom->Rndm(); | |
1579 | if (r < 0.98) { | |
1580 | ip = 443; | |
1581 | } else { | |
1582 | ip = 100443; | |
1583 | } | |
1584 | return ip; | |
1585 | } | |
1586 | ||
1587 | ||
1588 | ||
1589 | // Upsilon | |
1590 | // | |
1591 | // | |
1592 | // pt-distribution | |
1593 | //____________________________________________________________ | |
1594 | Double_t AliGenMUONlib::PtUpsilonPPdummy(Double_t x, Double_t energy) | |
1595 | { | |
1596 | // Upsilon pT | |
1597 | // pp | |
1598 | // from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394 | |
1599 | // | |
1600 | const Double_t kpt0 = 1.96*TMath::Power(energy,0.095); | |
1601 | const Double_t kxn = 3.4; | |
1602 | // | |
1603 | Double_t pass1 = 1.+0.471*(x/kpt0)*(x/kpt0); | |
1604 | return x/TMath::Power(pass1,kxn); | |
1605 | } | |
1606 | ||
1607 | Double_t AliGenMUONlib::PtUpsilonPP7000(const Double_t *px, const Double_t */*dummy*/) | |
1608 | { | |
1609 | // Upsilon pT | |
1610 | // pp 7 TeV | |
1611 | // | |
1612 | return PtUpsilonPPdummy(*px,7000); | |
1613 | } | |
1614 | ||
cec4fa76 | 1615 | Double_t AliGenMUONlib::PtUpsilonPP8000(const Double_t *px, const Double_t */*dummy*/) |
1616 | { | |
1617 | // Upsilon pT | |
57fab265 | 1618 | // pp 8 TeV |
cec4fa76 | 1619 | // |
1620 | return PtUpsilonPPdummy(*px,8000); | |
1621 | } | |
1622 | ||
7455632e | 1623 | Double_t AliGenMUONlib::PtUpsilonPP2760(const Double_t *px, const Double_t */*dummy*/) |
1624 | { | |
1625 | // Upsilon pT | |
1626 | // pp 2.76 TeV | |
1627 | // | |
1628 | return PtUpsilonPPdummy(*px,2760); | |
1629 | } | |
1630 | ||
4bac9bd3 | 1631 | Double_t AliGenMUONlib::PtUpsilonPP4400(const Double_t *px, const Double_t */*dummy*/) |
1632 | { | |
1633 | // Upsilon pT | |
1634 | // pp 4.4 TeV | |
1635 | // | |
1636 | return PtUpsilonPPdummy(*px,4400); | |
1637 | } | |
1638 | ||
1639 | Double_t AliGenMUONlib::PtUpsilonPP5030(const Double_t *px, const Double_t */*dummy*/) | |
1640 | { | |
1641 | // Upsilon pT | |
1642 | // pp 5.03 TeV | |
1643 | // | |
1644 | return PtUpsilonPPdummy(*px,5030); | |
1645 | } | |
1646 | ||
7455632e | 1647 | Double_t AliGenMUONlib::PtUpsilonPP8800(const Double_t *px, const Double_t */*dummy*/) |
1648 | { | |
1649 | // Upsilon pT | |
1650 | // pp 8.8 TeV | |
1651 | // | |
1652 | return PtUpsilonPPdummy(*px,8800); | |
1653 | } | |
1654 | ||
1655 | Double_t AliGenMUONlib::PtUpsilonPbPb2760ShFdummy(Double_t x, Int_t n) | |
1656 | { | |
1657 | // Usilon shadowing factor vs pT for PbPb min. bias and 11 centr. bins (in 2.5<y<4) | |
1658 | // | |
1659 | // PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.87 in 4pi | |
1660 | // | |
1661 | const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558, | |
1662 | 0.428, 0.317, 0.231, 0.156}; | |
1663 | const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224, | |
1664 | 0.106, 0.041, 0.013, 0.002}; | |
1665 | const Double_t c1[7] = {1.9089e+00, 1.2969e-03, 8.9786e-05,-5.3062e-06, | |
1666 | -1.0046e-06,6.1446e-08, 1.0885e-09}; | |
1667 | const Double_t c2[7] = {8.8423e-01,-8.7488e-05, 5.9857e-04,-5.7959e-05, | |
1668 | 2.0059e-06,-2.7343e-08, 6.6053e-10}; | |
1669 | Double_t y1, y2; | |
1670 | Int_t j; | |
1671 | y1 = c1[j = 6]; y2 = c2[6]; | |
1672 | while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];} | |
1673 | ||
1674 | y1 /= 1.+c1[6]*TMath::Power(x,6); | |
1675 | y2 /= 1.+c2[6]*TMath::Power(x,6); | |
1676 | // | |
1677 | y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n]; | |
1678 | if(y1<0) y1=0; | |
1679 | return y1; | |
1680 | } | |
1681 | ||
1682 | Double_t AliGenMUONlib::PtUpsilonPbPb2760(const Double_t *px, const Double_t *dummy) | |
1683 | { | |
1684 | // Upsilon pT | |
1685 | // PbPb 2.76 TeV, minimum bias 0-100 % | |
1686 | // | |
1687 | return PtUpsilonPbPb2760ShFdummy(*px, 0) * PtUpsilonPP2760(px, dummy); | |
1688 | } | |
1689 | ||
1690 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c1(const Double_t *px, const Double_t *dummy) | |
1691 | { | |
1692 | // Upsilon pT | |
1693 | // PbPb 2.76 TeV, 1st centrality bin 0-5 % | |
1694 | // | |
1695 | return PtUpsilonPbPb2760ShFdummy(*px, 1) * PtUpsilonPP2760(px, dummy); | |
1696 | } | |
1697 | ||
1698 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c2(const Double_t *px, const Double_t *dummy) | |
1699 | { | |
1700 | // Upsilon pT | |
1701 | // PbPb 2.76 TeV, 2nd centrality bin 5-10 % | |
1702 | // | |
1703 | return PtUpsilonPbPb2760ShFdummy(*px, 2) * PtUpsilonPP2760(px, dummy); | |
1704 | } | |
1705 | ||
1706 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c3(const Double_t *px, const Double_t *dummy) | |
1707 | { | |
1708 | // Upsilon pT | |
1709 | // PbPb 2.76 TeV, 3rd centrality bin 10-20 % | |
1710 | // | |
1711 | return PtUpsilonPbPb2760ShFdummy(*px, 3) * PtUpsilonPP2760(px, dummy); | |
1712 | } | |
1713 | ||
1714 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c4(const Double_t *px, const Double_t *dummy) | |
1715 | { | |
1716 | // Upsilon pT | |
1717 | // PbPb 2.76 TeV, 4th centrality bin 20-30 % | |
1718 | // | |
1719 | return PtUpsilonPbPb2760ShFdummy(*px, 4) * PtUpsilonPP2760(px, dummy); | |
1720 | } | |
1721 | ||
1722 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c5(const Double_t *px, const Double_t *dummy) | |
1723 | { | |
1724 | // Upsilon pT | |
1725 | // PbPb 2.76 TeV, 5th centrality bin 30-40 % | |
1726 | // | |
1727 | return PtUpsilonPbPb2760ShFdummy(*px, 5) * PtUpsilonPP2760(px, dummy); | |
1728 | } | |
1729 | ||
1730 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c6(const Double_t *px, const Double_t *dummy) | |
1731 | { | |
1732 | // Upsilon pT | |
1733 | // PbPb 2.76 TeV, 6th centrality bin 40-50 % | |
1734 | // | |
1735 | return PtUpsilonPbPb2760ShFdummy(*px, 6) * PtUpsilonPP2760(px, dummy); | |
1736 | } | |
1737 | ||
1738 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c7(const Double_t *px, const Double_t *dummy) | |
1739 | { | |
1740 | // Upsilon pT | |
1741 | // PbPb 2.76 TeV, 7th centrality bin 50-60 % | |
1742 | // | |
1743 | return PtUpsilonPbPb2760ShFdummy(*px, 7) * PtUpsilonPP2760(px, dummy); | |
1744 | } | |
1745 | ||
1746 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c8(const Double_t *px, const Double_t *dummy) | |
1747 | { | |
1748 | // Upsilon pT | |
1749 | // PbPb 2.76 TeV, 8th centrality bin 60-70 % | |
1750 | // | |
1751 | return PtUpsilonPbPb2760ShFdummy(*px, 8) * PtUpsilonPP2760(px, dummy); | |
1752 | } | |
1753 | ||
1754 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c9(const Double_t *px, const Double_t *dummy) | |
1755 | { | |
1756 | // Upsilon pT | |
1757 | // PbPb 2.76 TeV, 9th centrality bin 70-80 % | |
1758 | // | |
1759 | return PtUpsilonPbPb2760ShFdummy(*px, 9) * PtUpsilonPP2760(px, dummy); | |
1760 | } | |
1761 | ||
1762 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c10(const Double_t *px, const Double_t *dummy) | |
1763 | { | |
1764 | // Upsilon pT | |
1765 | // PbPb 2.76 TeV, 10th centrality bin 80-90 % | |
1766 | // | |
1767 | return PtUpsilonPbPb2760ShFdummy(*px, 10) * PtUpsilonPP2760(px, dummy); | |
1768 | } | |
1769 | ||
1770 | Double_t AliGenMUONlib::PtUpsilonPbPb2760c11(const Double_t *px, const Double_t *dummy) | |
1771 | { | |
1772 | // Upsilon pT | |
1773 | // PbPb 2.76 TeV, 11th centrality bin 90-100 % | |
1774 | // | |
1775 | return PtUpsilonPbPb2760ShFdummy(*px, 11) * PtUpsilonPP2760(px, dummy); | |
1776 | } | |
1777 | ||
4bac9bd3 | 1778 | Double_t AliGenMUONlib::PtUpsilonPPb5030ShFdummy(Double_t x, Int_t n) |
1779 | { | |
1780 | // Upsilon shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4) | |
1781 | // | |
1782 | // pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi | |
1783 | // | |
1784 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
1785 | const Double_t c[5] = {8.069e-01, 1.407e-04, 4.372e-04,-2.797e-05, 4.405e-06}; | |
1786 | Double_t y; | |
1787 | Int_t j; | |
1788 | y = c[j = 4]; | |
1789 | while (j > 0) y = y * x + c[--j]; | |
1790 | y /= 1 + c[4]*TMath::Power(x,4); | |
1791 | // | |
1792 | return 1 + (y-1)*f[n]; | |
1793 | } | |
1794 | ||
1795 | Double_t AliGenMUONlib::PtUpsilonPPb5030(const Double_t *px, const Double_t *dummy) | |
1796 | { | |
1797 | // Upsilon pT | |
1798 | // pPb 5.03 TeV, minimum bias 0-100 % | |
1799 | // | |
1800 | return PtUpsilonPPb5030ShFdummy(*px, 0) * PtUpsilonPP5030(px, dummy); | |
1801 | } | |
1802 | ||
1803 | Double_t AliGenMUONlib::PtUpsilonPPb5030c1(const Double_t *px, const Double_t *dummy) | |
1804 | { | |
1805 | // Upsilon pT | |
1806 | // pPb 5.03 TeV, 1st centrality bin 0-20 % | |
1807 | // | |
1808 | return PtUpsilonPPb5030ShFdummy(*px, 1) * PtUpsilonPP5030(px, dummy); | |
1809 | } | |
1810 | ||
1811 | Double_t AliGenMUONlib::PtUpsilonPPb5030c2(const Double_t *px, const Double_t *dummy) | |
1812 | { | |
1813 | // Upsilon pT | |
1814 | // pPb 5.03 TeV, 2nd centrality bin 20-40 % | |
1815 | // | |
1816 | return PtUpsilonPPb5030ShFdummy(*px, 2) * PtUpsilonPP5030(px, dummy); | |
1817 | } | |
1818 | ||
1819 | Double_t AliGenMUONlib::PtUpsilonPPb5030c3(const Double_t *px, const Double_t *dummy) | |
1820 | { | |
1821 | // Upsilon pT | |
1822 | // pPb 5.03 TeV, 3rd centrality bin 40-60 % | |
1823 | // | |
1824 | return PtUpsilonPPb5030ShFdummy(*px, 3) * PtUpsilonPP5030(px, dummy); | |
1825 | } | |
1826 | ||
1827 | Double_t AliGenMUONlib::PtUpsilonPPb5030c4(const Double_t *px, const Double_t *dummy) | |
1828 | { | |
1829 | // Upsilon pT | |
1830 | // pPb 5.03 TeV, 4th centrality bin 60-100 % | |
1831 | // | |
1832 | return PtUpsilonPPb5030ShFdummy(*px, 4) * PtUpsilonPP5030(px, dummy); | |
1833 | } | |
1834 | ||
1835 | Double_t AliGenMUONlib::PtUpsilonPbP5030ShFdummy(Double_t x, Int_t n) | |
1836 | { | |
1837 | // Upsilon shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4) | |
1838 | // | |
1839 | // Pbp 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi | |
1840 | // | |
1841 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
1842 | const Double_t c[5] = {1.122, 2.565e-03,-3.025e-04, 4.113e-06, 6.140e-07}; | |
1843 | Double_t y; | |
1844 | Int_t j; | |
1845 | y = c[j = 4]; | |
1846 | while (j > 0) y = y * x + c[--j]; | |
1847 | y /= 1 + c[4]*TMath::Power(x,4); | |
1848 | // | |
1849 | return 1 + (y-1)*f[n]; | |
1850 | } | |
1851 | ||
1852 | Double_t AliGenMUONlib::PtUpsilonPbP5030(const Double_t *px, const Double_t *dummy) | |
1853 | { | |
1854 | // Upsilon pT | |
1855 | // Pbp 5.03 TeV, minimum bias 0-100 % | |
1856 | // | |
1857 | return PtUpsilonPbP5030ShFdummy(*px, 0) * PtUpsilonPP5030(px, dummy); | |
1858 | } | |
1859 | ||
1860 | Double_t AliGenMUONlib::PtUpsilonPbP5030c1(const Double_t *px, const Double_t *dummy) | |
1861 | { | |
1862 | // Upsilon pT | |
1863 | // Pbp 5.03 TeV, 1st centrality bin 0-20 % | |
1864 | // | |
1865 | return PtUpsilonPbP5030ShFdummy(*px, 1) * PtUpsilonPP5030(px, dummy); | |
1866 | } | |
1867 | ||
1868 | Double_t AliGenMUONlib::PtUpsilonPbP5030c2(const Double_t *px, const Double_t *dummy) | |
1869 | { | |
1870 | // Upsilon pT | |
1871 | // Pbp 5.03 TeV, 2nd centrality bin 20-40 % | |
1872 | // | |
1873 | return PtUpsilonPbP5030ShFdummy(*px, 2) * PtUpsilonPP5030(px, dummy); | |
1874 | } | |
1875 | ||
1876 | Double_t AliGenMUONlib::PtUpsilonPbP5030c3(const Double_t *px, const Double_t *dummy) | |
1877 | { | |
1878 | // Upsilon pT | |
1879 | // Pbp 5.03 TeV, 3rd centrality bin 40-60 % | |
1880 | // | |
1881 | return PtUpsilonPbP5030ShFdummy(*px, 3) * PtUpsilonPP5030(px, dummy); | |
1882 | } | |
1883 | ||
1884 | Double_t AliGenMUONlib::PtUpsilonPbP5030c4(const Double_t *px, const Double_t *dummy) | |
1885 | { | |
1886 | // Upsilon pT | |
1887 | // Pbp 5.03 TeV, 4th centrality bin 60-100 % | |
1888 | // | |
1889 | return PtUpsilonPbP5030ShFdummy(*px, 4) * PtUpsilonPP5030(px, dummy); | |
1890 | } | |
1891 | ||
7455632e | 1892 | Double_t AliGenMUONlib::PtUpsilonPPb8800ShFdummy(Double_t x, Int_t n) |
1893 | { | |
1894 | // Upsilon shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4) | |
1895 | // | |
1896 | // pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi | |
1897 | // | |
1898 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
1899 | const Double_t c[5] = {7.6561e-01, 1.1360e-04, 4.9596e-04,-3.0287e-05, 3.7555e-06}; | |
1900 | Double_t y; | |
1901 | Int_t j; | |
1902 | y = c[j = 4]; | |
1903 | while (j > 0) y = y * x + c[--j]; | |
1904 | y /= 1 + c[4]*TMath::Power(x,4); | |
1905 | // | |
1906 | return 1 + (y-1)*f[n]; | |
1907 | } | |
1908 | ||
1909 | Double_t AliGenMUONlib::PtUpsilonPPb8800(const Double_t *px, const Double_t *dummy) | |
1910 | { | |
1911 | // Upsilon pT | |
1912 | // pPb 8.8 TeV, minimum bias 0-100 % | |
1913 | // | |
1914 | return PtUpsilonPPb8800ShFdummy(*px, 0) * PtUpsilonPP8800(px, dummy); | |
1915 | } | |
1916 | ||
1917 | Double_t AliGenMUONlib::PtUpsilonPPb8800c1(const Double_t *px, const Double_t *dummy) | |
1918 | { | |
1919 | // Upsilon pT | |
1920 | // pPb 8.8 TeV, 1st centrality bin 0-20 % | |
1921 | // | |
1922 | return PtUpsilonPPb8800ShFdummy(*px, 1) * PtUpsilonPP8800(px, dummy); | |
1923 | } | |
1924 | ||
1925 | Double_t AliGenMUONlib::PtUpsilonPPb8800c2(const Double_t *px, const Double_t *dummy) | |
1926 | { | |
1927 | // Upsilon pT | |
1928 | // pPb 8.8 TeV, 2nd centrality bin 20-40 % | |
1929 | // | |
1930 | return PtUpsilonPPb8800ShFdummy(*px, 2) * PtUpsilonPP8800(px, dummy); | |
1931 | } | |
1932 | ||
1933 | Double_t AliGenMUONlib::PtUpsilonPPb8800c3(const Double_t *px, const Double_t *dummy) | |
17d28ba5 | 1934 | { |
7455632e | 1935 | // Upsilon pT |
1936 | // pPb 8.8 TeV, 3rd centrality bin 40-60 % | |
1937 | // | |
1938 | return PtUpsilonPPb8800ShFdummy(*px, 3) * PtUpsilonPP8800(px, dummy); | |
1939 | } | |
17d28ba5 | 1940 | |
7455632e | 1941 | Double_t AliGenMUONlib::PtUpsilonPPb8800c4(const Double_t *px, const Double_t *dummy) |
1942 | { | |
1943 | // Upsilon pT | |
1944 | // pPb 8.8 TeV, 4th centrality bin 60-100 % | |
17d28ba5 | 1945 | // |
7455632e | 1946 | return PtUpsilonPPb8800ShFdummy(*px, 4) * PtUpsilonPP8800(px, dummy); |
1947 | } | |
1948 | ||
1949 | Double_t AliGenMUONlib::PtUpsilonPbP8800ShFdummy(Double_t x, Int_t n) | |
1950 | { | |
1951 | // Upsilon shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4) | |
17d28ba5 | 1952 | // |
7455632e | 1953 | // Pbp 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi |
17d28ba5 | 1954 | // |
7455632e | 1955 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; |
1956 | const Double_t c[5] = {1.0975, 3.1905e-03,-2.0477e-04, 8.5270e-06, 2.5343e-06}; | |
1957 | Double_t y; | |
1958 | Int_t j; | |
1959 | y = c[j = 4]; | |
1960 | while (j > 0) y = y * x + c[--j]; | |
1961 | y /= 1 + c[4]*TMath::Power(x,4); | |
1962 | // | |
1963 | return 1 + (y-1)*f[n]; | |
17d28ba5 | 1964 | } |
1965 | ||
7455632e | 1966 | Double_t AliGenMUONlib::PtUpsilonPbP8800(const Double_t *px, const Double_t *dummy) |
fe4da5cc | 1967 | { |
7455632e | 1968 | // Upsilon pT |
1969 | // Pbp 8.8 TeV, minimum bias 0-100 % | |
1970 | // | |
1971 | return PtUpsilonPbP8800ShFdummy(*px, 0) * PtUpsilonPP8800(px, dummy); | |
fe4da5cc | 1972 | } |
7455632e | 1973 | |
1974 | Double_t AliGenMUONlib::PtUpsilonPbP8800c1(const Double_t *px, const Double_t *dummy) | |
88e5db43 | 1975 | { |
7455632e | 1976 | // Upsilon pT |
1977 | // Pbp 8.8 TeV, 1st centrality bin 0-20 % | |
1978 | // | |
1979 | return PtUpsilonPbP8800ShFdummy(*px, 1) * PtUpsilonPP8800(px, dummy); | |
88e5db43 | 1980 | } |
7455632e | 1981 | |
1982 | Double_t AliGenMUONlib::PtUpsilonPbP8800c2(const Double_t *px, const Double_t *dummy) | |
0ad09590 | 1983 | { |
7455632e | 1984 | // Upsilon pT |
1985 | // Pbp 8.8 TeV, 2nd centrality bin 20-40 % | |
1986 | // | |
1987 | return PtUpsilonPbP8800ShFdummy(*px, 2) * PtUpsilonPP8800(px, dummy); | |
0ad09590 | 1988 | } |
1989 | ||
7455632e | 1990 | Double_t AliGenMUONlib::PtUpsilonPbP8800c3(const Double_t *px, const Double_t *dummy) |
1991 | { | |
1992 | // Upsilon pT | |
1993 | // Pbp 8.8 TeV, 3rd centrality bin 40-60 % | |
fe4da5cc | 1994 | // |
7455632e | 1995 | return PtUpsilonPbP8800ShFdummy(*px, 3) * PtUpsilonPP8800(px, dummy); |
1996 | } | |
1997 | ||
1998 | Double_t AliGenMUONlib::PtUpsilonPbP8800c4(const Double_t *px, const Double_t *dummy) | |
1999 | { | |
2000 | // Upsilon pT | |
2001 | // Pbp 8.8 TeV, 4th centrality bin 60-100 % | |
fe4da5cc | 2002 | // |
7455632e | 2003 | return PtUpsilonPbP8800ShFdummy(*px, 4) * PtUpsilonPP8800(px, dummy); |
2004 | } | |
2005 | ||
75e0cc59 | 2006 | Double_t AliGenMUONlib::PtUpsilon( const Double_t *px, const Double_t */*dummy*/ ) |
fe4da5cc | 2007 | { |
d90f80fd | 2008 | // Upsilon pT |
2009 | const Double_t kpt0 = 5.3; | |
2010 | const Double_t kxn = 2.5; | |
fe4da5cc | 2011 | Double_t x=*px; |
2012 | // | |
d90f80fd | 2013 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); |
2014 | return x/TMath::Power(pass1,kxn); | |
fe4da5cc | 2015 | } |
05932df6 | 2016 | |
75e0cc59 | 2017 | Double_t AliGenMUONlib::PtUpsilonCDFscaled( const Double_t *px, const Double_t */*dummy*/ ) |
0e137c25 | 2018 | { |
2019 | // Upsilon pT | |
48416d65 | 2020 | const Double_t kpt0 = 7.753; |
2021 | const Double_t kxn = 3.042; | |
0e137c25 | 2022 | Double_t x=*px; |
2023 | // | |
2024 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2025 | return x/TMath::Power(pass1,kxn); | |
2026 | } | |
2027 | ||
75e0cc59 | 2028 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPP( const Double_t *px, const Double_t */*dummy*/ ) |
9ff13849 | 2029 | { |
2030 | // Upsilon pT | |
2031 | // | |
2032 | // pp 14 TeV | |
2033 | // | |
2034 | // scaled from CDF data at 2 TeV | |
2035 | ||
2036 | const Double_t kpt0 = 8.610; | |
2037 | const Double_t kxn = 3.051; | |
2038 | Double_t x=*px; | |
2039 | // | |
2040 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2041 | return x/TMath::Power(pass1,kxn); | |
2042 | } | |
2043 | ||
b33adf51 | 2044 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/) |
2045 | { | |
2046 | // Upsilon pT | |
2047 | // | |
2048 | // pp 10 TeV | |
2049 | // | |
2050 | // scaled from CDF data at 2 TeV | |
2051 | ||
2052 | const Double_t kpt0 = 8.235; | |
2053 | const Double_t kxn = 3.051; | |
2054 | Double_t x=*px; | |
2055 | // | |
2056 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2057 | return x/TMath::Power(pass1,kxn); | |
2058 | } | |
2059 | ||
9fd56238 | 2060 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/) |
2061 | { | |
2062 | // Upsilon pT | |
2063 | // | |
2064 | // pp 8.8 TeV | |
2065 | // scaled from CDF data at 2 TeV | |
2066 | // | |
2067 | const Double_t kpt0 = 8.048; | |
2068 | const Double_t kxn = 3.051; | |
2069 | Double_t x=*px; | |
2070 | // | |
2071 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2072 | return x/TMath::Power(pass1,kxn); | |
2073 | } | |
2074 | ||
2075 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/) | |
2076 | { | |
2077 | // Upsilon pT | |
2078 | // | |
2079 | // pp 7 TeV | |
2080 | // | |
2081 | // scaled from CDF data at 2 TeV | |
2082 | ||
2083 | const Double_t kpt0 = 7.817; | |
2084 | const Double_t kxn = 3.051; | |
2085 | Double_t x=*px; | |
2086 | // | |
2087 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2088 | return x/TMath::Power(pass1,kxn); | |
2089 | } | |
2090 | ||
2091 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/) | |
2092 | { | |
2093 | // Upsilon pT | |
2094 | // | |
2095 | // pp 3.94 TeV | |
2096 | // scaled from CDF data at 2 TeV | |
2097 | // | |
2098 | const Double_t kpt0 = 7.189; | |
2099 | const Double_t kxn = 3.051; | |
2100 | Double_t x=*px; | |
2101 | // | |
2102 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
2103 | return x/TMath::Power(pass1,kxn); | |
2104 | } | |
2105 | ||
2106 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPPb9( const Double_t *px, const Double_t *dummy) | |
2107 | { | |
2108 | // Upsilon pT | |
2109 | // | |
7455632e | 2110 | // pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89 |
9fd56238 | 2111 | // |
2112 | Double_t c[5] = {7.64952e-01, 1.12501e-04, 4.96038e-04, -3.03198e-05, 3.74035e-06}; | |
2113 | Double_t x=*px; | |
2114 | Double_t y; | |
2115 | Int_t j; | |
2116 | y = c[j = 4]; | |
2117 | while (j > 0) y = y * x + c[--j]; | |
2118 | // | |
2119 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
2120 | return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP9(px,dummy); | |
2121 | } | |
2122 | ||
2123 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPbP9( const Double_t *px, const Double_t *dummy) | |
2124 | { | |
2125 | // Upsilon pT | |
2126 | // | |
7455632e | 2127 | // Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89 |
9fd56238 | 2128 | // |
2129 | Double_t c[5] = {1.09881e+00, 3.08329e-03, -2.00356e-04, 8.28991e-06, 2.52576e-06}; | |
2130 | Double_t x=*px; | |
2131 | Double_t y; | |
2132 | Int_t j; | |
2133 | y = c[j = 4]; | |
2134 | while (j > 0) y = y * x + c[--j]; | |
2135 | // | |
2136 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
2137 | return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP9(px,dummy); | |
2138 | } | |
2139 | ||
2140 | Double_t AliGenMUONlib::PtUpsilonCDFscaledPbPb4( const Double_t *px, const Double_t *dummy) | |
2141 | { | |
2142 | // Upsilon pT | |
2143 | // | |
2144 | // PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.85 | |
2145 | // | |
2146 | Double_t c[5] = {8.65872e-01, 2.05465e-03, 2.56063e-04, -1.65598e-05, 2.29209e-06}; | |
2147 | Double_t x=*px; | |
2148 | Double_t y; | |
2149 | Int_t j; | |
2150 | y = c[j = 4]; | |
2151 | while (j > 0) y = y * x + c[--j]; | |
2152 | // | |
2153 | Double_t d = 1.+c[4]*TMath::Power(x,4); | |
2154 | return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP4(px,dummy); | |
2155 | } | |
2156 | ||
75e0cc59 | 2157 | Double_t AliGenMUONlib::PtUpsilonFlat( const Double_t */*px*/, const Double_t */*dummy*/ ) |
4ca8d070 | 2158 | { |
2159 | return 1.; | |
2160 | } | |
2161 | ||
75e0cc59 | 2162 | Double_t AliGenMUONlib::PtUpsilonPbPb( const Double_t *px, const Double_t */*dummy*/) |
05932df6 | 2163 | { |
05932df6 | 2164 | // |
2165 | // Upsilon pT | |
2166 | // | |
2167 | // | |
2168 | // R. Vogt 2002 | |
2169 | // PbPb 5.5 TeV | |
2170 | // MRST HO | |
2171 | // mc = 1.4 GeV, pt-kick 1 GeV | |
2172 | // | |
1af7144e | 2173 | Float_t x = px[0]; |
2174 | Double_t c[8] = { | |
2175 | -1.03488e+01, 1.28065e+01, -6.60500e+00, 1.66140e+00, | |
2176 | -2.34293e-01, 1.86925e-02, -7.80708e-04, 1.30610e-05 | |
2177 | }; | |
3d905dd7 | 2178 | Double_t y; |
2179 | if (x < 10.) { | |
2180 | Int_t j; | |
2181 | y = c[j = 7]; | |
2182 | while (j > 0) y = y * x +c[--j]; | |
2183 | y = x * TMath::Exp(y); | |
2184 | } else { | |
2185 | y = 0.; | |
2186 | } | |
1af7144e | 2187 | return y; |
05932df6 | 2188 | } |
2189 | ||
75e0cc59 | 2190 | Double_t AliGenMUONlib::PtUpsilonPP( const Double_t *px, const Double_t */*dummy*/) |
bb6e81ac | 2191 | { |
bb6e81ac | 2192 | // |
2193 | // Upsilon pT | |
2194 | // | |
2195 | // | |
2196 | // R. Vogt 2002 | |
2197 | // pp 14 TeV | |
2198 | // MRST HO | |
2199 | // mc = 1.4 GeV, pt-kick 1 GeV | |
2200 | // | |
2201 | Float_t x = px[0]; | |
2202 | Double_t c[8] = {-7.93955e+00, 1.06306e+01, -5.21392e+00, 1.19703e+00, | |
2203 | -1.45718e-01, 8.95151e-03, -2.04806e-04, -1.13053e-06}; | |
2204 | ||
2205 | Double_t y; | |
2206 | if (x < 10.) { | |
2207 | Int_t j; | |
2208 | y = c[j = 7]; | |
2209 | while (j > 0) y = y * x +c[--j]; | |
2210 | y = x * TMath::Exp(y); | |
2211 | } else { | |
2212 | y = 0.; | |
2213 | } | |
2214 | return y; | |
2215 | } | |
2216 | ||
fe4da5cc | 2217 | // |
2218 | // y-distribution | |
2219 | // | |
2220 | //____________________________________________________________ | |
7455632e | 2221 | Double_t AliGenMUONlib::YUpsilonPPdummy(Double_t x, Double_t energy) |
2222 | { | |
2223 | // Upsilon y | |
2224 | // pp | |
2225 | // from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394 | |
2226 | // | |
2227 | x = x/TMath::Log(energy/9.46); | |
2228 | x = x*x; | |
2229 | Double_t y = TMath::Exp(-x/0.4/0.4/2); | |
2230 | if(x > 1) y=0; | |
2231 | return y; | |
2232 | } | |
2233 | ||
2234 | Double_t AliGenMUONlib::YUpsilonPPpoly(Double_t x, Double_t energy) | |
2235 | { | |
2236 | // Upsilon y | |
2237 | // pp | |
2238 | // from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394 | |
2239 | // | |
2240 | x = x/TMath::Log(energy/9.46); | |
2241 | x = x*x; | |
2242 | Double_t y = 1 - 6.9*x*x; | |
2243 | if(y < 0) y=0; | |
2244 | return y; | |
2245 | } | |
2246 | ||
2247 | Double_t AliGenMUONlib::YUpsilonPP7000(const Double_t *px, const Double_t */*dummy*/) | |
2248 | { | |
2249 | // Upsilon y | |
2250 | // pp 7 TeV | |
2251 | // | |
2252 | return YUpsilonPPdummy(*px, 7000); | |
2253 | } | |
2254 | ||
cec4fa76 | 2255 | Double_t AliGenMUONlib::YUpsilonPP8000(const Double_t *px, const Double_t */*dummy*/) |
2256 | { | |
2257 | // Upsilon y | |
2258 | // pp 7 TeV | |
2259 | // | |
2260 | return YUpsilonPPdummy(*px, 8000); | |
2261 | } | |
2262 | ||
7455632e | 2263 | Double_t AliGenMUONlib::YUpsilonPP2760(const Double_t *px, const Double_t */*dummy*/) |
2264 | { | |
2265 | // Upsilon y | |
2266 | // pp 2.76 TeV | |
2267 | // | |
2268 | return YUpsilonPPdummy(*px, 2760); | |
2269 | } | |
2270 | ||
4bac9bd3 | 2271 | Double_t AliGenMUONlib::YUpsilonPP4400(const Double_t *px, const Double_t */*dummy*/) |
2272 | { | |
2273 | // Upsilon y | |
2274 | // pp 4.4 TeV | |
2275 | // | |
2276 | return YUpsilonPPdummy(*px, 4400); | |
2277 | } | |
2278 | ||
2279 | Double_t AliGenMUONlib::YUpsilonPP5030(const Double_t *px, const Double_t */*dummy*/) | |
2280 | { | |
2281 | // Upsilon y | |
2282 | // pp 5.03 TeV | |
2283 | // | |
2284 | return YUpsilonPPdummy(*px, 5030); | |
2285 | } | |
2286 | ||
7455632e | 2287 | Double_t AliGenMUONlib::YUpsilonPP8800(const Double_t *px, const Double_t */*dummy*/) |
2288 | { | |
2289 | // Upsilon y | |
2290 | // pp 8.8 TeV | |
2291 | // | |
2292 | return YUpsilonPPdummy(*px, 8800); | |
2293 | } | |
2294 | ||
2295 | Double_t AliGenMUONlib::YUpsilonPPpoly7000(const Double_t *px, const Double_t */*dummy*/) | |
2296 | { | |
2297 | // Upsilon y | |
2298 | // pp 7 TeV | |
2299 | // | |
2300 | return YUpsilonPPpoly(*px, 7000); | |
2301 | } | |
2302 | ||
2303 | Double_t AliGenMUONlib::YUpsilonPPpoly2760(const Double_t *px, const Double_t */*dummy*/) | |
2304 | { | |
2305 | // Upsilon y | |
2306 | // pp 2.76 TeV | |
2307 | // | |
2308 | return YUpsilonPPpoly(*px, 2760); | |
2309 | } | |
2310 | ||
2311 | Double_t AliGenMUONlib::YUpsilonPbPb2760ShFdummy(Double_t x, Int_t n) | |
2312 | { | |
2313 | // Upsilon shadowing factor vs y for PbPb min. bias and 11 centr. bins | |
2314 | // | |
2315 | // PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.87 in 4pi | |
2316 | // | |
2317 | const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558, | |
2318 | 0.428, 0.317, 0.231, 0.156}; | |
2319 | const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224, | |
2320 | 0.106, 0.041, 0.013, 0.002}; | |
2321 | const Double_t c1[5] = {1.8547e+00, 1.6717e-02,-2.1285e-04,-9.7662e-05, 2.5768e-06}; | |
2322 | const Double_t c2[5] = {8.6029e-01, 1.1742e-02,-2.7944e-04,-6.7973e-05, 1.8838e-06}; | |
2323 | ||
2324 | x = x*x; | |
2325 | Double_t y1, y2; | |
2326 | Int_t j; | |
2327 | y1 = c1[j = 4]; y2 = c2[4]; | |
2328 | while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];} | |
2329 | ||
2330 | y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n]; | |
2331 | if(y1<0) y1=0; | |
2332 | return y1; | |
2333 | } | |
2334 | ||
2335 | Double_t AliGenMUONlib::YUpsilonPbPb2760(const Double_t *px, const Double_t *dummy) | |
2336 | { | |
2337 | // Upsilon y | |
2338 | // PbPb 2.76 TeV, minimum bias 0-100 % | |
2339 | // | |
2340 | return YUpsilonPbPb2760ShFdummy(*px, 0) * YUpsilonPP2760(px, dummy); | |
2341 | } | |
2342 | ||
2343 | Double_t AliGenMUONlib::YUpsilonPbPb2760c1(const Double_t *px, const Double_t *dummy) | |
2344 | { | |
2345 | // Upsilon y | |
2346 | // PbPb 2.76 TeV, 1st centrality bin 0-5 % | |
2347 | // | |
2348 | return YUpsilonPbPb2760ShFdummy(*px, 1) * YUpsilonPP2760(px, dummy); | |
2349 | } | |
2350 | ||
2351 | Double_t AliGenMUONlib::YUpsilonPbPb2760c2(const Double_t *px, const Double_t *dummy) | |
2352 | { | |
2353 | // Upsilon y | |
2354 | // PbPb 2.76 TeV, 2nd centrality bin 5-10 % | |
2355 | // | |
2356 | return YUpsilonPbPb2760ShFdummy(*px, 2) * YUpsilonPP2760(px, dummy); | |
2357 | } | |
2358 | ||
2359 | Double_t AliGenMUONlib::YUpsilonPbPb2760c3(const Double_t *px, const Double_t *dummy) | |
2360 | { | |
2361 | // Upsilon y | |
2362 | // PbPb 2.76 TeV, 3rd centrality bin 10-20 % | |
2363 | // | |
2364 | return YUpsilonPbPb2760ShFdummy(*px, 3) * YUpsilonPP2760(px, dummy); | |
2365 | } | |
2366 | ||
2367 | Double_t AliGenMUONlib::YUpsilonPbPb2760c4(const Double_t *px, const Double_t *dummy) | |
2368 | { | |
2369 | // Upsilon y | |
2370 | // PbPb 2.76 TeV, 4th centrality bin 20-30 % | |
2371 | // | |
2372 | return YUpsilonPbPb2760ShFdummy(*px, 4) * YUpsilonPP2760(px, dummy); | |
2373 | } | |
2374 | ||
2375 | Double_t AliGenMUONlib::YUpsilonPbPb2760c5(const Double_t *px, const Double_t *dummy) | |
2376 | { | |
2377 | // Upsilon y | |
2378 | // PbPb 2.76 TeV, 5th centrality bin 30-40 % | |
2379 | // | |
2380 | return YUpsilonPbPb2760ShFdummy(*px, 5) * YUpsilonPP2760(px, dummy); | |
2381 | } | |
2382 | ||
2383 | Double_t AliGenMUONlib::YUpsilonPbPb2760c6(const Double_t *px, const Double_t *dummy) | |
2384 | { | |
2385 | // Upsilon y | |
2386 | // PbPb 2.76 TeV, 6th centrality bin 40-50 % | |
2387 | // | |
2388 | return YUpsilonPbPb2760ShFdummy(*px, 6) * YUpsilonPP2760(px, dummy); | |
2389 | } | |
2390 | ||
2391 | Double_t AliGenMUONlib::YUpsilonPbPb2760c7(const Double_t *px, const Double_t *dummy) | |
2392 | { | |
2393 | // Upsilon y | |
2394 | // PbPb 2.76 TeV, 7th centrality bin 50-60 % | |
2395 | // | |
2396 | return YUpsilonPbPb2760ShFdummy(*px, 7) * YUpsilonPP2760(px, dummy); | |
2397 | } | |
2398 | ||
2399 | Double_t AliGenMUONlib::YUpsilonPbPb2760c8(const Double_t *px, const Double_t *dummy) | |
2400 | { | |
2401 | // Upsilon y | |
2402 | // PbPb 2.76 TeV, 8th centrality bin 60-70 % | |
2403 | // | |
2404 | return YUpsilonPbPb2760ShFdummy(*px, 8) * YUpsilonPP2760(px, dummy); | |
2405 | } | |
2406 | ||
2407 | Double_t AliGenMUONlib::YUpsilonPbPb2760c9(const Double_t *px, const Double_t *dummy) | |
2408 | { | |
2409 | // Upsilon y | |
2410 | // PbPb 2.76 TeV, 9th centrality bin 70-80 % | |
2411 | // | |
2412 | return YUpsilonPbPb2760ShFdummy(*px, 9) * YUpsilonPP2760(px, dummy); | |
2413 | } | |
2414 | ||
2415 | Double_t AliGenMUONlib::YUpsilonPbPb2760c10(const Double_t *px, const Double_t *dummy) | |
2416 | { | |
2417 | // Upsilon y | |
2418 | // PbPb 2.76 TeV, 10th centrality bin 80-90 % | |
2419 | // | |
2420 | return YUpsilonPbPb2760ShFdummy(*px, 10) * YUpsilonPP2760(px, dummy); | |
2421 | } | |
2422 | ||
2423 | Double_t AliGenMUONlib::YUpsilonPbPb2760c11(const Double_t *px, const Double_t *dummy) | |
2424 | { | |
2425 | // Upsilon y | |
2426 | // PbPb 2.76 TeV, 11th centrality bin 90-100 % | |
2427 | // | |
2428 | return YUpsilonPbPb2760ShFdummy(*px, 11) * YUpsilonPP2760(px, dummy); | |
2429 | } | |
2430 | ||
4bac9bd3 | 2431 | Double_t AliGenMUONlib::YUpsilonPP5030dummy(Double_t px) |
2432 | { | |
2433 | return AliGenMUONlib::YUpsilonPP5030(&px, (Double_t*) 0); | |
2434 | } | |
2435 | ||
2436 | Double_t AliGenMUONlib::YUpsilonPPb5030ShFdummy(Double_t x, Int_t n) | |
2437 | { | |
2438 | // Upsilon shadowing factor vs y for pPb min. bias and 4 centr. bins | |
2439 | // | |
2440 | // pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi | |
2441 | // | |
2442 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
2443 | const Double_t c[7] = {8.885e-01, 4.620e-02, 1.158e-02, 4.959e-04,-4.422e-04,-5.345e-05, 0.}; | |
2444 | Double_t y; | |
2445 | Int_t j; | |
2446 | y = c[j = 6]; | |
2447 | while (j > 0) y = y * x + c[--j]; | |
2448 | if(y<0) y=0; | |
2449 | // | |
2450 | return 1 +(y-1)*f[n]; | |
2451 | } | |
2452 | ||
2453 | Double_t AliGenMUONlib::YUpsilonPPb5030(const Double_t *px, const Double_t */*dummy*/) | |
2454 | { | |
2455 | // Upsilon y | |
2456 | // pPb 5.03 TeV, minimum bias 0-100 % | |
2457 | // | |
2458 | Double_t x = px[0] + 0.47; // rapidity shift | |
2459 | return YUpsilonPPb5030ShFdummy(x, 0) * YUpsilonPP5030dummy(x); | |
2460 | } | |
2461 | ||
2462 | Double_t AliGenMUONlib::YUpsilonPPb5030c1(const Double_t *px, const Double_t */*dummy*/) | |
2463 | { | |
2464 | // Upsilon y | |
2465 | // pPb 5.03 TeV, 1st centrality bin 0-20 % | |
2466 | // | |
2467 | Double_t x = px[0] + 0.47; // rapidity shift | |
2468 | return YUpsilonPPb5030ShFdummy(x, 1) * YUpsilonPP5030dummy(x); | |
2469 | } | |
2470 | ||
2471 | Double_t AliGenMUONlib::YUpsilonPPb5030c2(const Double_t *px, const Double_t */*dummy*/) | |
2472 | { | |
2473 | // Upsilon y | |
2474 | // pPb 5.03 TeV, 2nd centrality bin 20-40 % | |
2475 | // | |
2476 | Double_t x = px[0] + 0.47; // rapidity shift | |
2477 | return YUpsilonPPb5030ShFdummy(x, 2) * YUpsilonPP5030dummy(x); | |
2478 | } | |
2479 | ||
2480 | Double_t AliGenMUONlib::YUpsilonPPb5030c3(const Double_t *px, const Double_t */*dummy*/) | |
2481 | { | |
2482 | // Upsilon y | |
2483 | // pPb 5.03 TeV, 3rd centrality bin 40-60 % | |
2484 | // | |
2485 | Double_t x = px[0] + 0.47; // rapidity shift | |
2486 | return YUpsilonPPb5030ShFdummy(x, 3) * YUpsilonPP5030dummy(x); | |
2487 | } | |
2488 | ||
2489 | Double_t AliGenMUONlib::YUpsilonPPb5030c4(const Double_t *px, const Double_t */*dummy*/) | |
2490 | { | |
2491 | // Upsilon y | |
2492 | // pPb 5.03 TeV, 4th centrality bin 60-100 % | |
2493 | // | |
2494 | Double_t x = px[0] + 0.47; // rapidity shift | |
2495 | return YUpsilonPPb5030ShFdummy(x, 4) * YUpsilonPP5030dummy(x); | |
2496 | } | |
2497 | ||
2498 | Double_t AliGenMUONlib::YUpsilonPbP5030(const Double_t *px, const Double_t */*dummy*/) | |
2499 | { | |
2500 | // Upsilon y | |
2501 | // Pbp 5.03 TeV, minimum bias 0-100 % | |
2502 | // | |
2503 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2504 | return YUpsilonPPb5030ShFdummy(x, 0) * YUpsilonPP5030dummy(x); | |
2505 | } | |
2506 | ||
2507 | Double_t AliGenMUONlib::YUpsilonPbP5030c1(const Double_t *px, const Double_t */*dummy*/) | |
2508 | { | |
2509 | // Upsilon y | |
2510 | // Pbp 5.03 TeV, 1st centrality bin 0-20 % | |
2511 | // | |
2512 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2513 | return YUpsilonPPb5030ShFdummy(x, 1) * YUpsilonPP5030dummy(x); | |
2514 | } | |
2515 | ||
2516 | Double_t AliGenMUONlib::YUpsilonPbP5030c2(const Double_t *px, const Double_t */*dummy*/) | |
2517 | { | |
2518 | // Upsilon y | |
2519 | // Pbp 5.03 TeV, 2nd centrality bin 20-40 % | |
2520 | // | |
2521 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2522 | return YUpsilonPPb5030ShFdummy(x, 2) * YUpsilonPP5030dummy(x); | |
2523 | } | |
2524 | ||
2525 | Double_t AliGenMUONlib::YUpsilonPbP5030c3(const Double_t *px, const Double_t */*dummy*/) | |
2526 | { | |
2527 | // Upsilon y | |
2528 | // Pbp 5.03 TeV, 3rd centrality bin 40-60 % | |
2529 | // | |
2530 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2531 | return YUpsilonPPb5030ShFdummy(x, 3) * YUpsilonPP5030dummy(x); | |
2532 | } | |
2533 | ||
2534 | Double_t AliGenMUONlib::YUpsilonPbP5030c4(const Double_t *px, const Double_t */*dummy*/) | |
2535 | { | |
2536 | // Upsilon y | |
2537 | // Pbp 5.03 TeV, 4th centrality bin 60-100 % | |
2538 | // | |
2539 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2540 | return YUpsilonPPb5030ShFdummy(x, 4) * YUpsilonPP5030dummy(x); | |
2541 | } | |
2542 | ||
7455632e | 2543 | Double_t AliGenMUONlib::YUpsilonPP8800dummy(Double_t px) |
2544 | { | |
2545 | return AliGenMUONlib::YUpsilonPP8800(&px, (Double_t*) 0); | |
2546 | } | |
2547 | ||
2548 | Double_t AliGenMUONlib::YUpsilonPPb8800ShFdummy(Double_t x, Int_t n) | |
2549 | { | |
2550 | // Upsilon shadowing factor vs y for pPb min. bias and 4 centr. bins | |
2551 | // | |
2552 | // pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi | |
2553 | // | |
2554 | const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23}; | |
2555 | const Double_t c[7] = {8.6581e-01, 4.6111e-02, 7.6911e-03, 8.7313e-04, | |
2556 | -1.4700e-04,-5.0975e-05,-3.5718e-06}; | |
2557 | Double_t y; | |
2558 | Int_t j; | |
2559 | y = c[j = 6]; | |
2560 | while (j > 0) y = y * x + c[--j]; | |
2561 | if(y<0) y=0; | |
2562 | // | |
2563 | return 1 +(y-1)*f[n]; | |
2564 | } | |
2565 | ||
2566 | Double_t AliGenMUONlib::YUpsilonPPb8800(const Double_t *px, const Double_t */*dummy*/) | |
2567 | { | |
2568 | // Upsilon y | |
2569 | // pPb 8.8 TeV, minimum bias 0-100 % | |
2570 | // | |
2571 | Double_t x = px[0] + 0.47; // rapidity shift | |
2572 | return YUpsilonPPb8800ShFdummy(x, 0) * YUpsilonPP8800dummy(x); | |
2573 | } | |
2574 | ||
2575 | Double_t AliGenMUONlib::YUpsilonPPb8800c1(const Double_t *px, const Double_t */*dummy*/) | |
2576 | { | |
2577 | // Upsilon y | |
2578 | // pPb 8.8 TeV, 1st centrality bin 0-20 % | |
2579 | // | |
2580 | Double_t x = px[0] + 0.47; // rapidity shift | |
2581 | return YUpsilonPPb8800ShFdummy(x, 1) * YUpsilonPP8800dummy(x); | |
2582 | } | |
2583 | ||
2584 | Double_t AliGenMUONlib::YUpsilonPPb8800c2(const Double_t *px, const Double_t */*dummy*/) | |
2585 | { | |
2586 | // Upsilon y | |
2587 | // pPb 8.8 TeV, 2nd centrality bin 20-40 % | |
2588 | // | |
2589 | Double_t x = px[0] + 0.47; // rapidity shift | |
2590 | return YUpsilonPPb8800ShFdummy(x, 2) * YUpsilonPP8800dummy(x); | |
2591 | } | |
2592 | ||
2593 | Double_t AliGenMUONlib::YUpsilonPPb8800c3(const Double_t *px, const Double_t */*dummy*/) | |
2594 | { | |
2595 | // Upsilon y | |
2596 | // pPb 8.8 TeV, 3rd centrality bin 40-60 % | |
2597 | // | |
2598 | Double_t x = px[0] + 0.47; // rapidity shift | |
2599 | return YUpsilonPPb8800ShFdummy(x, 3) * YUpsilonPP8800dummy(x); | |
2600 | } | |
2601 | ||
2602 | Double_t AliGenMUONlib::YUpsilonPPb8800c4(const Double_t *px, const Double_t */*dummy*/) | |
2603 | { | |
2604 | // Upsilon y | |
2605 | // pPb 8.8 TeV, 4th centrality bin 60-100 % | |
2606 | // | |
2607 | Double_t x = px[0] + 0.47; // rapidity shift | |
2608 | return YUpsilonPPb8800ShFdummy(x, 4) * YUpsilonPP8800dummy(x); | |
2609 | } | |
2610 | ||
2611 | Double_t AliGenMUONlib::YUpsilonPbP8800(const Double_t *px, const Double_t */*dummy*/) | |
2612 | { | |
2613 | // Upsilon y | |
2614 | // Pbp 8.8 TeV, minimum bias 0-100 % | |
2615 | // | |
2616 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2617 | return YUpsilonPPb8800ShFdummy(x, 0) * YUpsilonPP8800dummy(x); | |
2618 | } | |
2619 | ||
2620 | Double_t AliGenMUONlib::YUpsilonPbP8800c1(const Double_t *px, const Double_t */*dummy*/) | |
2621 | { | |
2622 | // Upsilon y | |
2623 | // Pbp 8.8 TeV, 1st centrality bin 0-20 % | |
2624 | // | |
2625 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2626 | return YUpsilonPPb8800ShFdummy(x, 1) * YUpsilonPP8800dummy(x); | |
2627 | } | |
2628 | ||
2629 | Double_t AliGenMUONlib::YUpsilonPbP8800c2(const Double_t *px, const Double_t */*dummy*/) | |
2630 | { | |
2631 | // Upsilon y | |
2632 | // Pbp 8.8 TeV, 2nd centrality bin 20-40 % | |
2633 | // | |
2634 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2635 | return YUpsilonPPb8800ShFdummy(x, 2) * YUpsilonPP8800dummy(x); | |
2636 | } | |
2637 | ||
2638 | Double_t AliGenMUONlib::YUpsilonPbP8800c3(const Double_t *px, const Double_t */*dummy*/) | |
2639 | { | |
2640 | // Upsilon y | |
2641 | // Pbp 8.8 TeV, 3rd centrality bin 40-60 % | |
2642 | // | |
2643 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2644 | return YUpsilonPPb8800ShFdummy(x, 3) * YUpsilonPP8800dummy(x); | |
2645 | } | |
2646 | ||
2647 | Double_t AliGenMUONlib::YUpsilonPbP8800c4(const Double_t *px, const Double_t */*dummy*/) | |
2648 | { | |
2649 | // Upsilon y | |
2650 | // Pbp 8.8 TeV, 4th centrality bin 60-100 % | |
2651 | // | |
2652 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2653 | return YUpsilonPPb8800ShFdummy(x, 4) * YUpsilonPP8800dummy(x); | |
2654 | } | |
2655 | ||
75e0cc59 | 2656 | Double_t AliGenMUONlib::YUpsilon(const Double_t *py, const Double_t */*dummy*/) |
fe4da5cc | 2657 | { |
d90f80fd | 2658 | // Upsilon y |
2659 | const Double_t ky0 = 3.; | |
2660 | const Double_t kb=1.; | |
fe4da5cc | 2661 | Double_t yu; |
2662 | Double_t y=TMath::Abs(*py); | |
2663 | // | |
d90f80fd | 2664 | if (y < ky0) |
2665 | yu=kb; | |
fe4da5cc | 2666 | else |
d90f80fd | 2667 | yu=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); |
fe4da5cc | 2668 | return yu; |
2669 | } | |
05932df6 | 2670 | |
2671 | ||
75e0cc59 | 2672 | Double_t AliGenMUONlib::YUpsilonPbPb( const Double_t *px, const Double_t */*dummy*/) |
05932df6 | 2673 | { |
2674 | ||
2675 | // | |
2676 | // Upsilon y | |
2677 | // | |
2678 | // | |
2679 | // R. Vogt 2002 | |
2680 | // PbPb 5.5 TeV | |
2681 | // MRST HO | |
2682 | // mc = 1.4 GeV, pt-kick 1 GeV | |
2683 | // | |
2684 | ||
1af7144e | 2685 | Double_t c[7] = {3.40036e-01, -3.98882e-07, -4.48398e-03, 8.46411e-08, -6.10854e-04, |
2686 | -2.99753e-09, 1.28895e-05}; | |
b33adf51 | 2687 | Double_t x = TMath::Abs(px[0]); |
2688 | if (x > 5.55) return 0.; | |
1af7144e | 2689 | Int_t j; |
2690 | Double_t y = c[j = 6]; | |
2691 | while (j > 0) y = y * x +c[--j]; | |
2692 | return y; | |
05932df6 | 2693 | } |
2694 | ||
75e0cc59 | 2695 | Double_t AliGenMUONlib::YUpsilonCDFscaled( const Double_t *px, const Double_t *dummy) |
0e137c25 | 2696 | { |
2697 | // Upsilon y | |
2698 | return AliGenMUONlib::YUpsilonPbPb(px, dummy); | |
2699 | ||
4ca8d070 | 2700 | } |
9ff13849 | 2701 | |
75e0cc59 | 2702 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP( const Double_t *px, const Double_t *dummy) |
9ff13849 | 2703 | { |
2704 | // Upsilon y | |
2705 | return AliGenMUONlib::YUpsilonPP(px, dummy); | |
2706 | ||
2707 | } | |
2708 | ||
75e0cc59 | 2709 | Double_t AliGenMUONlib::YUpsilonFlat( const Double_t */*px*/, const Double_t */*dummy*/) |
4ca8d070 | 2710 | { |
2711 | // Upsilon y | |
2712 | return 1.; | |
2713 | ||
0e137c25 | 2714 | } |
2715 | ||
b33adf51 | 2716 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/) |
2717 | { | |
b33adf51 | 2718 | // Upsilon y |
2719 | // | |
2720 | // pp 10 TeV | |
2721 | // scaled from YUpsilonPP(14 TeV) using 10 TeV / 14 TeV ratio of y-spectra in LO pQCD. | |
2722 | // see S.Grigoryan, PWG3 Meeting, 27th Oct 2008 | |
2723 | // | |
9fd56238 | 2724 | Double_t c[4] = {1., -2.17877e-02, -6.52830e-04, 1.40578e-05}; |
2725 | Double_t x = TMath::Abs(px[0]); | |
2726 | if (x > 6.1) return 0.; | |
2727 | Int_t j; | |
2728 | Double_t y = c[j = 3]; | |
2729 | while (j > 0) y = y * x*x +c[--j]; | |
2730 | return y; | |
2731 | } | |
2732 | ||
2733 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/) | |
2734 | { | |
2735 | // Upsilon y | |
2736 | // | |
2737 | // pp 8.8 TeV | |
2738 | // rescaling of YUpsilonPP(14 TeV) using 8.8 TeV / 14 TeV ratio of y-spectra in LO QCD | |
2739 | // | |
2740 | Double_t c[4] = {1., -2.37621e-02, -6.29610e-04, 1.47976e-05}; | |
b33adf51 | 2741 | Double_t x = TMath::Abs(px[0]); |
2742 | if (x > 6.1) return 0.; | |
2743 | Int_t j; | |
2744 | Double_t y = c[j = 3]; | |
2745 | while (j > 0) y = y * x*x +c[--j]; | |
2746 | return y; | |
2747 | } | |
2748 | ||
9fd56238 | 2749 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP9dummy(Double_t px) |
2750 | { | |
2751 | return AliGenMUONlib::YUpsilonCDFscaledPP9(&px, (Double_t*) 0); | |
2752 | } | |
2753 | ||
2754 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/) | |
2755 | { | |
2756 | // Upsilon y | |
2757 | // | |
2758 | // pp 7 TeV | |
2759 | // scaled from YUpsilonPP(14 TeV) using 7 TeV / 14 TeV ratio of y-spectra in LO pQCD. | |
2760 | // | |
2761 | Double_t c[4] = {1., -2.61009e-02, -6.83937e-04, 1.78451e-05}; | |
2762 | Double_t x = TMath::Abs(px[0]); | |
2763 | if (x > 6.0) return 0.; | |
2764 | Int_t j; | |
2765 | Double_t y = c[j = 3]; | |
2766 | while (j > 0) y = y * x*x +c[--j]; | |
2767 | return y; | |
2768 | } | |
2769 | ||
2770 | Double_t AliGenMUONlib::YUpsilonCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/) | |
2771 | { | |
2772 | // Upsilon y | |
2773 | // | |
2774 | // pp 3.94 TeV | |
2775 | // rescaling of YUpsilonPP(14 TeV) using 3.94 TeV / 14 TeV ratio of y-spectra in LO QCD | |
2776 | // | |
2777 | Double_t c[4] = {1., -3.91924e-02, -4.26184e-04, 2.10914e-05}; | |
2778 | Double_t x = TMath::Abs(px[0]); | |
2779 | if (x > 5.7) return 0.; | |
2780 | Int_t j; | |
2781 | Double_t y = c[j = 3]; | |
2782 | while (j > 0) y = y * x*x +c[--j]; | |
2783 | ||
2784 | return y; | |
2785 | } | |
2786 | ||
75e0cc59 | 2787 | Double_t AliGenMUONlib::YUpsilonPP( const Double_t *px, const Double_t */*dummy*/) |
bb6e81ac | 2788 | { |
2789 | ||
2790 | // | |
2791 | // Upsilon y | |
2792 | // | |
2793 | // | |
2794 | // R. Vogt 2002 | |
2795 | // p p 14. TeV | |
2796 | // MRST HO | |
2797 | // mc = 1.4 GeV, pt-kick 1 GeV | |
2798 | // | |
2799 | Double_t c[7] = {8.91936e-01, -6.46645e-07, -1.52774e-02, 4.28677e-08, -7.01517e-04, | |
2800 | -6.20539e-10, 1.29943e-05}; | |
b33adf51 | 2801 | Double_t x = TMath::Abs(px[0]); |
2802 | if (x > 6.2) return 0.; | |
bb6e81ac | 2803 | Int_t j; |
2804 | Double_t y = c[j = 6]; | |
2805 | while (j > 0) y = y * x +c[--j]; | |
2806 | return y; | |
2807 | } | |
2808 | ||
9fd56238 | 2809 | Double_t AliGenMUONlib::YUpsilonCDFscaledPPb9( const Double_t *px, const Double_t */*dummy*/) |
2810 | { | |
2811 | // Upsilon y | |
2812 | // | |
7455632e | 2813 | // pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89 |
9fd56238 | 2814 | // |
2815 | Double_t c[7] = {8.71829e-01, 4.77467e-02, 8.09671e-03, 6.45294e-04, -2.15730e-04, | |
2816 | -4.67538e-05,-2.11683e-06}; | |
2817 | Double_t y; | |
2818 | Double_t x = px[0] + 0.47; // rapidity shift | |
2819 | Int_t j; | |
2820 | y = c[j = 6]; | |
2821 | while (j > 0) y = y * x + c[--j]; | |
2822 | if(y<0) y=0; | |
2823 | ||
2824 | return y * AliGenMUONlib::YUpsilonCDFscaledPP9dummy(x); | |
2825 | } | |
2826 | ||
2827 | Double_t AliGenMUONlib::YUpsilonCDFscaledPbP9( const Double_t *px, const Double_t */*dummy*/) | |
2828 | { | |
2829 | // Upsilon y | |
2830 | // | |
7455632e | 2831 | // Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89 |
9fd56238 | 2832 | // |
2833 | Double_t c[7] = {8.71829e-01, 4.77467e-02, 8.09671e-03, 6.45294e-04, -2.15730e-04, | |
2834 | -4.67538e-05,-2.11683e-06}; | |
2835 | Double_t y; | |
2836 | Double_t x = -px[0] + 0.47; // rapidity shift | |
2837 | Int_t j; | |
2838 | y = c[j = 6]; | |
2839 | while (j > 0) y = y * x + c[--j]; | |
2840 | if(y<0) y=0; | |
2841 | ||
2842 | return y * AliGenMUONlib::YUpsilonCDFscaledPP9dummy(x); | |
2843 | } | |
2844 | ||
2845 | Double_t AliGenMUONlib::YUpsilonCDFscaledPbPb4( const Double_t *px, const Double_t *dummy) | |
2846 | { | |
2847 | // Upsilon y | |
2848 | // | |
2849 | // PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.85 | |
2850 | // | |
2851 | Double_t c[4] = {8.27837e-01, 1.70115e-02, -1.26046e-03, 1.52091e-05}; | |
2852 | Double_t x = px[0]*px[0]; | |
2853 | Double_t y; | |
2854 | Int_t j; | |
2855 | y = c[j = 3]; | |
2856 | while (j > 0) y = y * x + c[--j]; | |
2857 | if(y<0) y=0; | |
2858 | ||
2859 | return y * AliGenMUONlib::YUpsilonCDFscaledPP4(px,dummy); | |
2860 | } | |
2861 | ||
2862 | ||
fe4da5cc | 2863 | // particle composition |
2864 | // | |
65fb704d | 2865 | Int_t AliGenMUONlib::IpUpsilon(TRandom *) |
fe4da5cc | 2866 | { |
d90f80fd | 2867 | // y composition |
88cb7938 | 2868 | return 553; |
fe4da5cc | 2869 | } |
88e5db43 | 2870 | Int_t AliGenMUONlib::IpUpsilonP(TRandom *) |
2871 | { | |
2872 | // y composition | |
2873 | return 100553; | |
2874 | } | |
2875 | Int_t AliGenMUONlib::IpUpsilonPP(TRandom *) | |
2876 | { | |
2877 | // y composition | |
2878 | return 200553; | |
2879 | } | |
0ad09590 | 2880 | Int_t AliGenMUONlib::IpUpsilonFamily(TRandom *) |
2881 | { | |
2882 | // y composition | |
4bac9bd3 | 2883 | // Using the LHCb pp data at 7 TeV: CERN-PH-EP-2012-051 |
2884 | // (L. Manceau, S. Grigoryan) | |
0ad09590 | 2885 | Int_t ip; |
4bac9bd3 | 2886 | Float_t r = gRandom->Rndm(); |
2887 | if (r < 0.687) { | |
2888 | // if (r < 0.712) { | |
0ad09590 | 2889 | ip = 553; |
4bac9bd3 | 2890 | } else if (r < 0.903) { |
2891 | // } else if (r < 0.896) { | |
0ad09590 | 2892 | ip = 100553; |
2893 | } else { | |
2894 | ip = 200553; | |
2895 | } | |
2896 | return ip; | |
2897 | } | |
fe4da5cc | 2898 | |
88e5db43 | 2899 | |
fe4da5cc | 2900 | // |
2901 | // Phi | |
2902 | // | |
2903 | // | |
2904 | // pt-distribution (by scaling of pion distribution) | |
2905 | //____________________________________________________________ | |
75e0cc59 | 2906 | Double_t AliGenMUONlib::PtPhi( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 2907 | { |
d90f80fd | 2908 | // Phi pT |
a4f206bf | 2909 | return PtScal(*px,7); |
fe4da5cc | 2910 | } |
2911 | // y-distribution | |
75e0cc59 | 2912 | Double_t AliGenMUONlib::YPhi( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 2913 | { |
d90f80fd | 2914 | // Phi y |
2915 | Double_t *dum=0; | |
2916 | return YJpsi(px,dum); | |
fe4da5cc | 2917 | } |
2918 | // particle composition | |
2919 | // | |
65fb704d | 2920 | Int_t AliGenMUONlib::IpPhi(TRandom *) |
fe4da5cc | 2921 | { |
d90f80fd | 2922 | // Phi composition |
89512a3b | 2923 | return 333; |
2924 | } | |
2925 | ||
2926 | // | |
2927 | // omega | |
2928 | // | |
2929 | // | |
2930 | // pt-distribution (by scaling of pion distribution) | |
2931 | //____________________________________________________________ | |
75e0cc59 | 2932 | Double_t AliGenMUONlib::PtOmega( const Double_t *px, const Double_t */*dummy*/) |
89512a3b | 2933 | { |
2934 | // Omega pT | |
a4f206bf | 2935 | return PtScal(*px,5); |
89512a3b | 2936 | } |
2937 | // y-distribution | |
75e0cc59 | 2938 | Double_t AliGenMUONlib::YOmega( const Double_t *px, const Double_t */*dummy*/) |
89512a3b | 2939 | { |
2940 | // Omega y | |
2941 | Double_t *dum=0; | |
2942 | return YJpsi(px,dum); | |
2943 | } | |
2944 | // particle composition | |
2945 | // | |
2946 | Int_t AliGenMUONlib::IpOmega(TRandom *) | |
2947 | { | |
2948 | // Omega composition | |
2949 | return 223; | |
2950 | } | |
2951 | ||
2952 | ||
2953 | // | |
2954 | // Eta | |
2955 | // | |
2956 | // | |
2957 | // pt-distribution (by scaling of pion distribution) | |
2958 | //____________________________________________________________ | |
75e0cc59 | 2959 | Double_t AliGenMUONlib::PtEta( const Double_t *px, const Double_t */*dummy*/) |
89512a3b | 2960 | { |
2961 | // Eta pT | |
a4f206bf | 2962 | return PtScal(*px,3); |
89512a3b | 2963 | } |
2964 | // y-distribution | |
75e0cc59 | 2965 | Double_t AliGenMUONlib::YEta( const Double_t *px, const Double_t */*dummy*/) |
89512a3b | 2966 | { |
2967 | // Eta y | |
2968 | Double_t *dum=0; | |
2969 | return YJpsi(px,dum); | |
2970 | } | |
2971 | // particle composition | |
2972 | // | |
2973 | Int_t AliGenMUONlib::IpEta(TRandom *) | |
2974 | { | |
2975 | // Eta composition | |
2976 | return 221; | |
fe4da5cc | 2977 | } |
2978 | ||
2979 | // | |
2980 | // Charm | |
2981 | // | |
2982 | // | |
2983 | // pt-distribution | |
2984 | //____________________________________________________________ | |
75e0cc59 | 2985 | Double_t AliGenMUONlib::PtCharm( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 2986 | { |
d90f80fd | 2987 | // Charm pT |
bd0276a8 | 2988 | const Double_t kpt0 = 2.25; |
2989 | const Double_t kxn = 3.17; | |
fe4da5cc | 2990 | Double_t x=*px; |
2991 | // | |
bd0276a8 | 2992 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); |
2993 | return x/TMath::Power(pass1,kxn); | |
2994 | } | |
2995 | ||
75e0cc59 | 2996 | Double_t AliGenMUONlib::PtCharmCentral( const Double_t *px, const Double_t */*dummy*/) |
bd0276a8 | 2997 | { |
2998 | // Charm pT | |
2999 | const Double_t kpt0 = 2.12; | |
3000 | const Double_t kxn = 2.78; | |
bd0276a8 | 3001 | Double_t x=*px; |
3002 | // | |
3003 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
d90f80fd | 3004 | return x/TMath::Power(pass1,kxn); |
fe4da5cc | 3005 | } |
75e0cc59 | 3006 | Double_t AliGenMUONlib::PtCharmF0M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3007 | { |
3008 | // FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows: | |
3009 | // PtCharmFiMjSkPP = PtCharmF0M0S0PP * (dN(i,j,k)/dpt / dN(0,0,0)/dpt)_MNR | |
3010 | // i=0,1,2; j=0,1,2; k=0,1,...,6 | |
3011 | // dN(i,j,k)/dpt - spectra obtained by A.Dainese (hep-ph/0601164, p.88; | |
3012 | // http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR) | |
3013 | // calculations for the following inputs: | |
3014 | // Peterson fragmentation function (F) with \epsilon_c = 0.02, 0.002 & 0.11 | |
3015 | // for i=0,1 & 2 respectively; quark mass (M) of 1.5, 1.3 & 1.7 GeV | |
3016 | // for j=0,1 & 2 respectively; | |
3017 | // factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S) | |
3018 | // with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 | |
3019 | // for k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set | |
3020 | // (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89). | |
3021 | // June 2008, Smbat.Grigoryan@cern.ch | |
3022 | ||
3023 | // Charm pT | |
3024 | // Pythia6.214 (kCharmppMNRwmi, PDF = CTEQ5L, quark mass = 1.2 GeV, PtHard > 2.76 GeV/c) | |
3025 | // for pp collisions at 14 TeV with one c-cbar pair per event. | |
3026 | // Corresponding NLO total cross section is 5.68 mb | |
3027 | ||
3028 | ||
3029 | const Double_t kpt0 = 2.2930; | |
3030 | const Double_t kxn = 3.1196; | |
3031 | Double_t c[3]={-5.2180e-01,1.8753e-01,2.8669e-02}; | |
3032 | Double_t x=*px; | |
3033 | // | |
3034 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3035 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3036 | } | |
75e0cc59 | 3037 | Double_t AliGenMUONlib::PtCharmF1M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3038 | { |
3039 | // Charm pT | |
3040 | // Corresponding NLO total cross section is 6.06 mb | |
3041 | const Double_t kpt0 = 2.8669; | |
3042 | const Double_t kxn = 3.1044; | |
3043 | Double_t c[3]={-4.6714e-01,1.5005e-01,4.5003e-02}; | |
3044 | Double_t x=*px; | |
3045 | // | |
3046 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3047 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3048 | } | |
75e0cc59 | 3049 | Double_t AliGenMUONlib::PtCharmF2M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3050 | { |
3051 | // Charm pT | |
3052 | // Corresponding NLO total cross section is 6.06 mb | |
3053 | const Double_t kpt0 = 1.8361; | |
3054 | const Double_t kxn = 3.2966; | |
3055 | Double_t c[3]={-6.1550e-01,2.6498e-01,1.0728e-02}; | |
3056 | Double_t x=*px; | |
3057 | // | |
3058 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3059 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3060 | } | |
75e0cc59 | 3061 | Double_t AliGenMUONlib::PtCharmF0M1S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3062 | { |
3063 | // Charm pT | |
3064 | // Corresponding NLO total cross section is 7.69 mb | |
3065 | const Double_t kpt0 = 2.1280; | |
3066 | const Double_t kxn = 3.1397; | |
3067 | Double_t c[3]={-5.4021e-01,2.0944e-01,2.5211e-02}; | |
3068 | Double_t x=*px; | |
3069 | // | |
3070 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3071 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3072 | } | |
75e0cc59 | 3073 | Double_t AliGenMUONlib::PtCharmF0M2S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3074 | { |
3075 | // Charm pT | |
3076 | // Corresponding NLO total cross section is 4.81 mb | |
3077 | const Double_t kpt0 = 2.4579; | |
3078 | const Double_t kxn = 3.1095; | |
3079 | Double_t c[3]={-5.1497e-01,1.7532e-01,3.2429e-02}; | |
3080 | Double_t x=*px; | |
3081 | // | |
3082 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3083 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3084 | } | |
75e0cc59 | 3085 | Double_t AliGenMUONlib::PtCharmF0M0S1PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3086 | { |
3087 | // Charm pT | |
3088 | // Corresponding NLO total cross section is 14.09 mb | |
3089 | const Double_t kpt0 = 2.1272; | |
3090 | const Double_t kxn = 3.1904; | |
3091 | Double_t c[3]={-4.6088e-01,2.1918e-01,2.3055e-02}; | |
3092 | Double_t x=*px; | |
3093 | // | |
3094 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3095 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3096 | } | |
75e0cc59 | 3097 | Double_t AliGenMUONlib::PtCharmF0M0S2PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3098 | { |
3099 | // Charm pT | |
3100 | // Corresponding NLO total cross section is 1.52 mb | |
3101 | const Double_t kpt0 = 2.8159; | |
3102 | const Double_t kxn = 3.0857; | |
3103 | Double_t c[3]={-6.4691e-01,2.0289e-01,2.4922e-02}; | |
3104 | Double_t x=*px; | |
3105 | // | |
3106 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3107 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3108 | } | |
75e0cc59 | 3109 | Double_t AliGenMUONlib::PtCharmF0M0S3PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3110 | { |
3111 | // Charm pT | |
3112 | // Corresponding NLO total cross section is 3.67 mb | |
3113 | const Double_t kpt0 = 2.7297; | |
3114 | const Double_t kxn = 3.3019; | |
3115 | Double_t c[3]={-6.2216e-01,1.9031e-01,1.5341e-02}; | |
3116 | Double_t x=*px; | |
3117 | // | |
3118 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3119 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3120 | } | |
75e0cc59 | 3121 | Double_t AliGenMUONlib::PtCharmF0M0S4PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3122 | { |
3123 | // Charm pT | |
3124 | // Corresponding NLO total cross section is 3.38 mb | |
3125 | const Double_t kpt0 = 2.3894; | |
3126 | const Double_t kxn = 3.1075; | |
3127 | Double_t c[3]={-4.9742e-01,1.7032e-01,2.5994e-02}; | |
3128 | Double_t x=*px; | |
3129 | // | |
3130 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3131 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3132 | } | |
75e0cc59 | 3133 | Double_t AliGenMUONlib::PtCharmF0M0S5PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3134 | { |
3135 | // Charm pT | |
3136 | // Corresponding NLO total cross section is 10.37 mb | |
3137 | const Double_t kpt0 = 2.0187; | |
3138 | const Double_t kxn = 3.3011; | |
3139 | Double_t c[3]={-3.9869e-01,2.9248e-01,1.1763e-02}; | |
3140 | Double_t x=*px; | |
3141 | // | |
3142 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3143 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3144 | } | |
75e0cc59 | 3145 | Double_t AliGenMUONlib::PtCharmF0M0S6PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3146 | { |
3147 | // Charm pT | |
3148 | // Corresponding NLO total cross section is 7.22 mb | |
3149 | const Double_t kpt0 = 2.1089; | |
3150 | const Double_t kxn = 3.1848; | |
3151 | Double_t c[3]={-4.6275e-01,1.8114e-01,2.1363e-02}; | |
3152 | Double_t x=*px; | |
3153 | // | |
3154 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3155 | return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x); | |
3156 | } | |
3157 | ||
fe4da5cc | 3158 | // y-distribution |
75e0cc59 | 3159 | Double_t AliGenMUONlib::YCharm( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 3160 | { |
ec772ba2 | 3161 | // Charm y :: Carrer & Dainese : ALICE-INT-2003-019 v.3 (hep-ph/0311225) |
3162 | // Pythia tuned to reproduce the distribution given by the HVQMNR program based on NLO calculations (pQCD) | |
3163 | // shadowing + kt broadening | |
3164 | ||
3165 | Double_t x=px[0]; | |
3166 | Double_t c[2]={-2.42985e-03,-2.31001e-04}; | |
3167 | Double_t y=1+(c[0]*TMath::Power(x,2))+(c[1]*TMath::Power(x,4)); | |
3168 | Double_t ycharm; | |
3169 | ||
3170 | if (TMath::Abs(x)>8) { | |
3171 | ycharm=0.; | |
3172 | } | |
3173 | else { | |
3174 | ycharm=TMath::Power(y,3); | |
3175 | } | |
3176 | ||
3177 | return ycharm; | |
fe4da5cc | 3178 | } |
75e0cc59 | 3179 | Double_t AliGenMUONlib::YCharmF0M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3180 | { |
3181 | // FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows: | |
3182 | // YCharmFiMjSkPP = YCharmF0M0S0PP * (dN(i,j,k)/dy / dN(0,0,0)/dy)_MNR | |
3183 | // i=0,1,2; j=0,1,2; k=0,1,...,6 | |
3184 | // dN(i,j,k)/dy - spectra obtained by A.Dainese (hep-ph/0601164, p.88; | |
3185 | // http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR) | |
3186 | // calculations for the following inputs: | |
3187 | // Peterson fragmentation function (F) with \epsilon_c = 0.02, 0.002 & 0.11 | |
3188 | // for i=0,1 & 2 respectively; quark mass (M) of 1.5, 1.3 & 1.7 GeV | |
3189 | // for j=0,1 & 2 respectively; | |
3190 | // factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S) | |
3191 | // with a/b = 1/1,1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 for | |
3192 | // k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set | |
3193 | // (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89). | |
3194 | // June 2008, Smbat.Grigoryan@cern.ch | |
3195 | ||
3196 | // Charm y | |
3197 | // Pythia6.214 (kCharmppMNRwmi, PDF = CTEQ5L, quark mass = 1.2 GeV, PtHard > 2.76 GeV/c) | |
3198 | // for pp collisions at 14 TeV with one c-cbar pair per event. | |
3199 | // Corresponding NLO total cross section is 5.68 mb | |
3200 | ||
3201 | Double_t x=px[0]; | |
3202 | Double_t c[2]={7.0909e-03,6.1967e-05}; | |
3203 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3204 | Double_t ycharm; | |
3205 | ||
3206 | if (TMath::Abs(x)>9) { | |
3207 | ycharm=0.; | |
3208 | } | |
3209 | else { | |
3210 | ycharm=TMath::Power(y,3); | |
3211 | } | |
3212 | ||
3213 | return ycharm; | |
3214 | } | |
75e0cc59 | 3215 | Double_t AliGenMUONlib::YCharmF1M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3216 | { |
3217 | // Charm y | |
3218 | // Corresponding NLO total cross section is 6.06 mb | |
3219 | Double_t x=px[0]; | |
3220 | Double_t c[2]={6.9707e-03,6.0971e-05}; | |
3221 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3222 | Double_t ycharm; | |
3223 | ||
3224 | if (TMath::Abs(x)>9) { | |
3225 | ycharm=0.; | |
3226 | } | |
3227 | else { | |
3228 | ycharm=TMath::Power(y,3); | |
3229 | } | |
3230 | ||
3231 | return ycharm; | |
3232 | } | |
75e0cc59 | 3233 | Double_t AliGenMUONlib::YCharmF2M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3234 | { |
3235 | // Charm y | |
3236 | // Corresponding NLO total cross section is 6.06 mb | |
3237 | Double_t x=px[0]; | |
3238 | Double_t c[2]={7.1687e-03,6.5303e-05}; | |
3239 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3240 | Double_t ycharm; | |
3241 | ||
3242 | if (TMath::Abs(x)>9) { | |
3243 | ycharm=0.; | |
3244 | } | |
3245 | else { | |
3246 | ycharm=TMath::Power(y,3); | |
3247 | } | |
3248 | ||
3249 | return ycharm; | |
3250 | } | |
75e0cc59 | 3251 | Double_t AliGenMUONlib::YCharmF0M1S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3252 | { |
3253 | // Charm y | |
3254 | // Corresponding NLO total cross section is 7.69 mb | |
3255 | Double_t x=px[0]; | |
3256 | Double_t c[2]={5.9090e-03,7.1854e-05}; | |
3257 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3258 | Double_t ycharm; | |
3259 | ||
3260 | if (TMath::Abs(x)>9) { | |
3261 | ycharm=0.; | |
3262 | } | |
3263 | else { | |
3264 | ycharm=TMath::Power(y,3); | |
3265 | } | |
3266 | ||
3267 | return ycharm; | |
3268 | } | |
75e0cc59 | 3269 | Double_t AliGenMUONlib::YCharmF0M2S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3270 | { |
3271 | // Charm y | |
3272 | // Corresponding NLO total cross section is 4.81 mb | |
3273 | Double_t x=px[0]; | |
3274 | Double_t c[2]={8.0882e-03,5.5872e-05}; | |
3275 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3276 | Double_t ycharm; | |
3277 | ||
3278 | if (TMath::Abs(x)>9) { | |
3279 | ycharm=0.; | |
3280 | } | |
3281 | else { | |
3282 | ycharm=TMath::Power(y,3); | |
3283 | } | |
3284 | ||
3285 | return ycharm; | |
3286 | } | |
75e0cc59 | 3287 | Double_t AliGenMUONlib::YCharmF0M0S1PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3288 | { |
3289 | // Charm y | |
3290 | // Corresponding NLO total cross section is 14.09 mb | |
3291 | Double_t x=px[0]; | |
3292 | Double_t c[2]={7.2520e-03,6.2691e-05}; | |
3293 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3294 | Double_t ycharm; | |
3295 | ||
3296 | if (TMath::Abs(x)>9) { | |
3297 | ycharm=0.; | |
3298 | } | |
3299 | else { | |
3300 | ycharm=TMath::Power(y,3); | |
3301 | } | |
3302 | ||
3303 | return ycharm; | |
3304 | } | |
75e0cc59 | 3305 | Double_t AliGenMUONlib::YCharmF0M0S2PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3306 | { |
3307 | // Charm y | |
3308 | // Corresponding NLO total cross section is 1.52 mb | |
3309 | Double_t x=px[0]; | |
3310 | Double_t c[2]={1.1040e-04,1.4498e-04}; | |
3311 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3312 | Double_t ycharm; | |
3313 | ||
3314 | if (TMath::Abs(x)>9) { | |
3315 | ycharm=0.; | |
3316 | } | |
3317 | else { | |
3318 | ycharm=TMath::Power(y,3); | |
3319 | } | |
3320 | ||
3321 | return ycharm; | |
3322 | } | |
75e0cc59 | 3323 | Double_t AliGenMUONlib::YCharmF0M0S3PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3324 | { |
3325 | // Charm y | |
3326 | // Corresponding NLO total cross section is 3.67 mb | |
3327 | Double_t x=px[0]; | |
3328 | Double_t c[2]={-3.1328e-03,1.8270e-04}; | |
3329 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3330 | Double_t ycharm; | |
3331 | ||
3332 | if (TMath::Abs(x)>9) { | |
3333 | ycharm=0.; | |
3334 | } | |
3335 | else { | |
3336 | ycharm=TMath::Power(y,3); | |
3337 | } | |
3338 | ||
3339 | return ycharm; | |
3340 | } | |
75e0cc59 | 3341 | Double_t AliGenMUONlib::YCharmF0M0S4PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3342 | { |
3343 | // Charm y | |
3344 | // Corresponding NLO total cross section is 3.38 mb | |
3345 | Double_t x=px[0]; | |
3346 | Double_t c[2]={7.0865e-03,6.2532e-05}; | |
3347 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3348 | Double_t ycharm; | |
3349 | ||
3350 | if (TMath::Abs(x)>9) { | |
3351 | ycharm=0.; | |
3352 | } | |
3353 | else { | |
3354 | ycharm=TMath::Power(y,3); | |
3355 | } | |
3356 | ||
3357 | return ycharm; | |
3358 | } | |
75e0cc59 | 3359 | Double_t AliGenMUONlib::YCharmF0M0S5PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3360 | { |
3361 | // Charm y | |
3362 | // Corresponding NLO total cross section is 10.37 mb | |
3363 | Double_t x=px[0]; | |
3364 | Double_t c[2]={7.7070e-03,5.3533e-05}; | |
3365 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3366 | Double_t ycharm; | |
3367 | ||
3368 | if (TMath::Abs(x)>9) { | |
3369 | ycharm=0.; | |
3370 | } | |
3371 | else { | |
3372 | ycharm=TMath::Power(y,3); | |
3373 | } | |
3374 | ||
3375 | return ycharm; | |
3376 | } | |
75e0cc59 | 3377 | Double_t AliGenMUONlib::YCharmF0M0S6PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3378 | { |
3379 | // Charm y | |
3380 | // Corresponding NLO total cross section is 7.22 mb | |
3381 | Double_t x=px[0]; | |
3382 | Double_t c[2]={7.9195e-03,5.3823e-05}; | |
3383 | Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4)); | |
3384 | Double_t ycharm; | |
3385 | ||
3386 | if (TMath::Abs(x)>9) { | |
3387 | ycharm=0.; | |
3388 | } | |
3389 | else { | |
3390 | ycharm=TMath::Power(y,3); | |
3391 | } | |
3392 | ||
3393 | return ycharm; | |
3394 | } | |
fe4da5cc | 3395 | |
ec772ba2 | 3396 | |
65fb704d | 3397 | Int_t AliGenMUONlib::IpCharm(TRandom *ran) |
fe4da5cc | 3398 | { |
d90f80fd | 3399 | // Charm composition |
65fb704d | 3400 | Float_t random; |
fe4da5cc | 3401 | Int_t ip; |
3402 | // 411,421,431,4122 | |
65fb704d | 3403 | random = ran->Rndm(); |
ec772ba2 | 3404 | // Taux de production Carrer & Dainese : ALICE-INT-2003-019 v.3 |
3405 | // >>>>> cf. tab 4 p 11 | |
3406 | ||
3407 | if (random < 0.30) { | |
3408 | ip=421; | |
3409 | } else if (random < 0.60) { | |
3410 | ip=-421; | |
3411 | } else if (random < 0.70) { | |
3412 | ip=411; | |
3413 | } else if (random < 0.80) { | |
3414 | ip=-411; | |
3415 | } else if (random < 0.86) { | |
3416 | ip=431; | |
3417 | } else if (random < 0.92) { | |
3418 | ip=-431; | |
3419 | } else if (random < 0.96) { | |
3420 | ip=4122; | |
fe4da5cc | 3421 | } else { |
ec772ba2 | 3422 | ip=-4122; |
fe4da5cc | 3423 | } |
fe4da5cc | 3424 | |
3425 | return ip; | |
3426 | } | |
3427 | ||
fe4da5cc | 3428 | // |
3429 | // Beauty | |
3430 | // | |
3431 | // | |
3432 | // pt-distribution | |
3433 | //____________________________________________________________ | |
75e0cc59 | 3434 | Double_t AliGenMUONlib::PtBeauty( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 3435 | { |
d90f80fd | 3436 | // Beauty pT |
bd0276a8 | 3437 | const Double_t kpt0 = 6.53; |
3438 | const Double_t kxn = 3.59; | |
3439 | Double_t x=*px; | |
3440 | // | |
3441 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3442 | return x/TMath::Power(pass1,kxn); | |
3443 | } | |
3444 | ||
75e0cc59 | 3445 | Double_t AliGenMUONlib::PtBeautyCentral( const Double_t *px, const Double_t */*dummy*/) |
bd0276a8 | 3446 | { |
3447 | // Beauty pT | |
3448 | const Double_t kpt0 = 6.14; | |
3449 | const Double_t kxn = 2.93; | |
fe4da5cc | 3450 | Double_t x=*px; |
3451 | // | |
d90f80fd | 3452 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); |
3453 | return x/TMath::Power(pass1,kxn); | |
fe4da5cc | 3454 | } |
75e0cc59 | 3455 | Double_t AliGenMUONlib::PtBeautyF0M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3456 | { |
3457 | // FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows: | |
3458 | // PtBeautyFiMjSkPP = PtBeautyF0M0S0PP * (dN(i,j,k)/dpt / dN(0,0,0)/dpt)_MNR | |
3459 | // i=0,1,2; j=0,1,2; k=0,1,...,6 | |
3460 | // dN(i,j,k)/dpt - spectra obtained by A.Dainese (hep-ph/0601164, p.88; | |
3461 | // http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR) | |
3462 | // calculations for the following inputs: | |
3463 | // Peterson fragmentation function (F) with \epsilon_b = 0.001, 0.0002 & 0.004 | |
3464 | // for i=0,1 & 2 respectively; quark mass (M) of 4.75, 4.5 & 5.0 GeV | |
3465 | // for j=0,1 & 2 respectively; | |
3466 | // factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S) | |
3467 | // with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 for | |
3468 | // k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set | |
3469 | // (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89). | |
3470 | // June 2008, Smbat.Grigoryan@cern.ch | |
3471 | ||
3472 | // Beauty pT | |
3473 | // Pythia6.214 (kBeautyppMNRwmi, PDF = CTEQ5L, quark mass = 4.75 GeV, PtHard > 2.76 GeV/c) | |
3474 | // for pp collisions at 14 TeV with one b-bbar pair per event. | |
3475 | // Corresponding NLO total cross section is 0.494 mb | |
3476 | ||
3477 | const Double_t kpt0 = 8.0575; | |
3478 | const Double_t kxn = 3.1921; | |
3479 | Double_t x=*px; | |
3480 | // | |
3481 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3482 | return x/TMath::Power(pass1,kxn); | |
3483 | } | |
75e0cc59 | 3484 | Double_t AliGenMUONlib::PtBeautyF1M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3485 | { |
3486 | // Beauty pT | |
3487 | // Corresponding NLO total cross section is 0.445 mb | |
3488 | const Double_t kpt0 = 8.6239; | |
3489 | const Double_t kxn = 3.2911; | |
3490 | Double_t x=*px; | |
3491 | // | |
3492 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3493 | return x/TMath::Power(pass1,kxn); | |
3494 | } | |
75e0cc59 | 3495 | Double_t AliGenMUONlib::PtBeautyF2M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3496 | { |
3497 | // Beauty pT | |
3498 | // Corresponding NLO total cross section is 0.445 mb | |
3499 | const Double_t kpt0 = 7.3367; | |
3500 | const Double_t kxn = 3.0692; | |
3501 | Double_t x=*px; | |
3502 | // | |
3503 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3504 | return x/TMath::Power(pass1,kxn); | |
3505 | } | |
75e0cc59 | 3506 | Double_t AliGenMUONlib::PtBeautyF0M1S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3507 | { |
3508 | // Beauty pT | |
3509 | // Corresponding NLO total cross section is 0.518 mb | |
3510 | const Double_t kpt0 = 7.6409; | |
3511 | const Double_t kxn = 3.1364; | |
3512 | Double_t x=*px; | |
3513 | // | |
3514 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3515 | return x/TMath::Power(pass1,kxn); | |
3516 | } | |
75e0cc59 | 3517 | Double_t AliGenMUONlib::PtBeautyF0M2S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3518 | { |
3519 | // Beauty pT | |
3520 | // Corresponding NLO total cross section is 0.384 mb | |
3521 | const Double_t kpt0 = 8.4948; | |
3522 | const Double_t kxn = 3.2546; | |
3523 | Double_t x=*px; | |
3524 | // | |
3525 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3526 | return x/TMath::Power(pass1,kxn); | |
3527 | } | |
75e0cc59 | 3528 | Double_t AliGenMUONlib::PtBeautyF0M0S1PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3529 | { |
3530 | // Beauty pT | |
3531 | // Corresponding NLO total cross section is 0.648 mb | |
3532 | const Double_t kpt0 = 7.6631; | |
3533 | const Double_t kxn = 3.1621; | |
3534 | Double_t x=*px; | |
3535 | // | |
3536 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3537 | return x/TMath::Power(pass1,kxn); | |
3538 | } | |
75e0cc59 | 3539 | Double_t AliGenMUONlib::PtBeautyF0M0S2PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3540 | { |
3541 | // Beauty pT | |
3542 | // Corresponding NLO total cross section is 0.294 mb | |
3543 | const Double_t kpt0 = 8.7245; | |
3544 | const Double_t kxn = 3.2213; | |
3545 | Double_t x=*px; | |
3546 | // | |
3547 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3548 | return x/TMath::Power(pass1,kxn); | |
3549 | } | |
75e0cc59 | 3550 | Double_t AliGenMUONlib::PtBeautyF0M0S3PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3551 | { |
3552 | // Beauty pT | |
3553 | // Corresponding NLO total cross section is 0.475 mb | |
3554 | const Double_t kpt0 = 8.5296; | |
3555 | const Double_t kxn = 3.2187; | |
3556 | Double_t x=*px; | |
3557 | // | |
3558 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3559 | return x/TMath::Power(pass1,kxn); | |
3560 | } | |
75e0cc59 | 3561 | Double_t AliGenMUONlib::PtBeautyF0M0S4PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3562 | { |
3563 | // Beauty pT | |
3564 | // Corresponding NLO total cross section is 0.324 mb | |
3565 | const Double_t kpt0 = 7.9440; | |
3566 | const Double_t kxn = 3.1614; | |
3567 | Double_t x=*px; | |
3568 | // | |
3569 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3570 | return x/TMath::Power(pass1,kxn); | |
3571 | } | |
75e0cc59 | 3572 | Double_t AliGenMUONlib::PtBeautyF0M0S5PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3573 | { |
3574 | // Beauty pT | |
3575 | // Corresponding NLO total cross section is 0.536 mb | |
3576 | const Double_t kpt0 = 8.2408; | |
3577 | const Double_t kxn = 3.3029; | |
3578 | Double_t x=*px; | |
3579 | // | |
3580 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3581 | return x/TMath::Power(pass1,kxn); | |
3582 | } | |
75e0cc59 | 3583 | Double_t AliGenMUONlib::PtBeautyF0M0S6PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3584 | { |
3585 | // Beauty pT | |
3586 | // Corresponding NLO total cross section is 0.420 mb | |
3587 | const Double_t kpt0 = 7.8041; | |
3588 | const Double_t kxn = 3.2094; | |
3589 | Double_t x=*px; | |
3590 | // | |
3591 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
3592 | return x/TMath::Power(pass1,kxn); | |
3593 | } | |
3594 | ||
fe4da5cc | 3595 | // y-distribution |
75e0cc59 | 3596 | Double_t AliGenMUONlib::YBeauty( const Double_t *px, const Double_t */*dummy*/) |
fe4da5cc | 3597 | { |
ec772ba2 | 3598 | // Beauty y :: Carrer & Dainese : ALICE-INT-2003-019 v.3 (hep-ph/0311225) |
3599 | // Pythia tuned to reproduce the distribution given by the HVQMNR program based on NLO calculations (pQCD) | |
3600 | // shadowing + kt broadening | |
3601 | ||
3602 | Double_t x=px[0]; | |
3603 | Double_t c[2]={-1.27590e-02,-2.42731e-04}; | |
3604 | Double_t y=1+c[0]*TMath::Power(x,2)+c[1]*TMath::Power(x,4); | |
3605 | Double_t ybeauty; | |
3606 | ||
3607 | if (TMath::Abs(x)>6) { | |
3608 | ybeauty=0.; | |
3609 | } | |
3610 | else { | |
3611 | ybeauty=TMath::Power(y,3); | |
3612 | } | |
3613 | ||
3614 | return ybeauty; | |
fe4da5cc | 3615 | } |
75e0cc59 | 3616 | Double_t AliGenMUONlib::YBeautyF0M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3617 | { |
3618 | // FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows: | |
3619 | // YBeautyFiMjSkPP = YBeautyF0M0S0PP * (dN(i,j,k)/dy / dN(0,0,0)/dy)_MNR | |
3620 | // i=0,1,2; j=0,1,2; k=0,1,...,6 | |
3621 | // dN(i,j,k)/dy - spectra obtained by A.Dainese (hep-ph/0601164, p.88; | |
3622 | // http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR) | |
3623 | // calculations for the following inputs: | |
3624 | // Peterson fragmentation function (F) with \epsilon_b = 0.001, 0.0002 & 0.004 | |
3625 | // for i=0,1 & 2 respectively; quark mass (M) of 4.75, 4.5 & 5.0 GeV | |
3626 | // for j=0,1 & 2 respectively; | |
3627 | // factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S) | |
3628 | // with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 | |
3629 | // for k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set | |
3630 | // (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89). | |
3631 | // June 2008, Smbat.Grigoryan@cern.ch | |
3632 | ||
3633 | // Beauty y | |
3634 | // Pythia6.214 (kBeautyppMNRwmi, PDF = CTEQ5L, quark mass = 4.75 GeV, PtHard > 2.76 GeV/c) | |
3635 | // for pp collisions at 14 TeV with one b-bbar pair per event. | |
3636 | // Corresponding NLO total cross section is 0.494 mb | |
3637 | ||
fe4da5cc | 3638 | |
9e9ae065 | 3639 | Double_t x=px[0]; |
3640 | Double_t c[2]={1.2350e-02,9.2667e-05}; | |
3641 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3642 | Double_t ybeauty; | |
3643 | ||
3644 | if (TMath::Abs(x)>7.6) { | |
3645 | ybeauty=0.; | |
3646 | } | |
3647 | else { | |
3648 | ybeauty=TMath::Power(y,3); | |
3649 | } | |
3650 | ||
3651 | return ybeauty; | |
3652 | } | |
75e0cc59 | 3653 | Double_t AliGenMUONlib::YBeautyF1M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3654 | { |
3655 | // Beauty y | |
3656 | // Corresponding NLO total cross section is 0.445 mb | |
3657 | Double_t x=px[0]; | |
3658 | Double_t c[2]={1.2292e-02,9.1847e-05}; | |
3659 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3660 | Double_t ybeauty; | |
3661 | ||
3662 | if (TMath::Abs(x)>7.6) { | |
3663 | ybeauty=0.; | |
3664 | } | |
3665 | else { | |
3666 | ybeauty=TMath::Power(y,3); | |
3667 | } | |
3668 | ||
3669 | return ybeauty; | |
3670 | } | |
75e0cc59 | 3671 | Double_t AliGenMUONlib::YBeautyF2M0S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3672 | { |
3673 | // Beauty y | |
3674 | // Corresponding NLO total cross section is 0.445 mb | |
3675 | Double_t x=px[0]; | |
3676 | Double_t c[2]={1.2436e-02,9.3709e-05}; | |
3677 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3678 | Double_t ybeauty; | |
3679 | ||
3680 | if (TMath::Abs(x)>7.6) { | |
3681 | ybeauty=0.; | |
3682 | } | |
3683 | else { | |
3684 | ybeauty=TMath::Power(y,3); | |
3685 | } | |
3686 | ||
3687 | return ybeauty; | |
3688 | } | |
75e0cc59 | 3689 | Double_t AliGenMUONlib::YBeautyF0M1S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3690 | { |
3691 | // Beauty y | |
3692 | // Corresponding NLO total cross section is 0.518 mb | |
3693 | Double_t x=px[0]; | |
3694 | Double_t c[2]={1.1714e-02,1.0068e-04}; | |
3695 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3696 | Double_t ybeauty; | |
3697 | ||
3698 | if (TMath::Abs(x)>7.6) { | |
3699 | ybeauty=0.; | |
3700 | } | |
3701 | else { | |
3702 | ybeauty=TMath::Power(y,3); | |
3703 | } | |
3704 | ||
3705 | return ybeauty; | |
3706 | } | |
75e0cc59 | 3707 | Double_t AliGenMUONlib::YBeautyF0M2S0PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3708 | { |
3709 | // Beauty y | |
3710 | // Corresponding NLO total cross section is 0.384 mb | |
3711 | Double_t x=px[0]; | |
3712 | Double_t c[2]={1.2944e-02,8.5500e-05}; | |
3713 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3714 | Double_t ybeauty; | |
3715 | ||
3716 | if (TMath::Abs(x)>7.6) { | |
3717 | ybeauty=0.; | |
3718 | } | |
3719 | else { | |
3720 | ybeauty=TMath::Power(y,3); | |
3721 | } | |
3722 | ||
3723 | return ybeauty; | |
3724 | } | |
75e0cc59 | 3725 | Double_t AliGenMUONlib::YBeautyF0M0S1PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3726 | { |
3727 | // Beauty y | |
3728 | // Corresponding NLO total cross section is 0.648 mb | |
3729 | Double_t x=px[0]; | |
3730 | Double_t c[2]={1.2455e-02,9.2713e-05}; | |
3731 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3732 | Double_t ybeauty; | |
3733 | ||
3734 | if (TMath::Abs(x)>7.6) { | |
3735 | ybeauty=0.; | |
3736 | } | |
3737 | else { | |
3738 | ybeauty=TMath::Power(y,3); | |
3739 | } | |
3740 | ||
3741 | return ybeauty; | |
3742 | } | |
75e0cc59 | 3743 | Double_t AliGenMUONlib::YBeautyF0M0S2PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3744 | { |
3745 | // Beauty y | |
3746 | // Corresponding NLO total cross section is 0.294 mb | |
3747 | Double_t x=px[0]; | |
3748 | Double_t c[2]={1.0897e-02,1.1878e-04}; | |
3749 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3750 | Double_t ybeauty; | |
3751 | ||
3752 | if (TMath::Abs(x)>7.6) { | |
3753 | ybeauty=0.; | |
3754 | } | |
3755 | else { | |
3756 | ybeauty=TMath::Power(y,3); | |
3757 | } | |
3758 | ||
3759 | return ybeauty; | |
3760 | } | |
75e0cc59 | 3761 | Double_t AliGenMUONlib::YBeautyF0M0S3PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3762 | { |
3763 | // Beauty y | |
3764 | // Corresponding NLO total cross section is 0.475 mb | |
3765 | Double_t x=px[0]; | |
3766 | Double_t c[2]={1.0912e-02,1.1858e-04}; | |
3767 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3768 | Double_t ybeauty; | |
3769 | ||
3770 | if (TMath::Abs(x)>7.6) { | |
3771 | ybeauty=0.; | |
3772 | } | |
3773 | else { | |
3774 | ybeauty=TMath::Power(y,3); | |
3775 | } | |
3776 | ||
3777 | return ybeauty; | |
3778 | } | |
75e0cc59 | 3779 | Double_t AliGenMUONlib::YBeautyF0M0S4PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3780 | { |
3781 | // Beauty y | |
3782 | // Corresponding NLO total cross section is 0.324 mb | |
3783 | Double_t x=px[0]; | |
3784 | Double_t c[2]={1.2378e-02,9.2490e-05}; | |
3785 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3786 | Double_t ybeauty; | |
3787 | ||
3788 | if (TMath::Abs(x)>7.6) { | |
3789 | ybeauty=0.; | |
3790 | } | |
3791 | else { | |
3792 | ybeauty=TMath::Power(y,3); | |
3793 | } | |
3794 | ||
3795 | return ybeauty; | |
3796 | } | |
75e0cc59 | 3797 | Double_t AliGenMUONlib::YBeautyF0M0S5PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3798 | { |
3799 | // Beauty y | |
3800 | // Corresponding NLO total cross section is 0.536 mb | |
3801 | Double_t x=px[0]; | |
3802 | Double_t c[2]={1.2886e-02,8.2912e-05}; | |
3803 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3804 | Double_t ybeauty; | |
3805 | ||
3806 | if (TMath::Abs(x)>7.6) { | |
3807 | ybeauty=0.; | |
3808 | } | |
3809 | else { | |
3810 | ybeauty=TMath::Power(y,3); | |
3811 | } | |
3812 | ||
3813 | return ybeauty; | |
3814 | } | |
75e0cc59 | 3815 | Double_t AliGenMUONlib::YBeautyF0M0S6PP( const Double_t *px, const Double_t */*dummy*/) |
9e9ae065 | 3816 | { |
3817 | // Beauty y | |
3818 | // Corresponding NLO total cross section is 0.420 mb | |
3819 | Double_t x=px[0]; | |
3820 | Double_t c[2]={1.3106e-02,8.0115e-05}; | |
3821 | Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4); | |
3822 | Double_t ybeauty; | |
3823 | ||
3824 | if (TMath::Abs(x)>7.6) { | |
3825 | ybeauty=0.; | |
3826 | } | |
3827 | else { | |
3828 | ybeauty=TMath::Power(y,3); | |
3829 | } | |
3830 | ||
3831 | return ybeauty; | |
3832 | } | |
ec772ba2 | 3833 | |
65fb704d | 3834 | Int_t AliGenMUONlib::IpBeauty(TRandom *ran) |
fe4da5cc | 3835 | { |
d90f80fd | 3836 | // Beauty Composition |
65fb704d | 3837 | Float_t random; |
fe4da5cc | 3838 | Int_t ip; |
ec772ba2 | 3839 | random = ran->Rndm(); |
3840 | ||
3841 | // Taux de production Carrer & Dainese : ALICE-INT-2003-019 v.3 | |
3842 | // >>>>> cf. tab 4 p 11 | |
3843 | ||
3844 | if (random < 0.20) { | |
3845 | ip=511; | |
3846 | } else if (random < 0.40) { | |
3847 | ip=-511; | |
3848 | } else if (random < 0.605) { | |
3849 | ip=521; | |
3850 | } else if (random < 0.81) { | |
3851 | ip=-521; | |
3852 | } else if (random < 0.87) { | |
3853 | ip=531; | |
3854 | } else if (random < 0.93) { | |
3855 | ip=-531; | |
3856 | } else if (random < 0.965) { | |
3857 | ip=5122; | |
fe4da5cc | 3858 | } else { |
ec772ba2 | 3859 | ip=-5122; |
fe4da5cc | 3860 | } |
fe4da5cc | 3861 | |
ec772ba2 | 3862 | return ip; |
fe4da5cc | 3863 | } |
3864 | ||
ec772ba2 | 3865 | |
75e0cc59 | 3866 | typedef Double_t (*GenFunc) (const Double_t*, const Double_t*); |
53904666 | 3867 | GenFunc AliGenMUONlib::GetPt(Int_t param, const char* tname) const |
fe4da5cc | 3868 | { |
d90f80fd | 3869 | // Return pointer to pT parameterisation |
05932df6 | 3870 | TString sname = TString(tname); |
fe4da5cc | 3871 | GenFunc func; |
753690b0 | 3872 | switch (param) |
fe4da5cc | 3873 | { |
34f60c01 | 3874 | case kPhi: |
fe4da5cc | 3875 | func=PtPhi; |
3876 | break; | |
89512a3b | 3877 | case kOmega: |
3878 | func=PtOmega; | |
3879 | break; | |
3880 | case kEta: | |
3881 | func=PtEta; | |
3882 | break; | |
0ad09590 | 3883 | case kJpsiFamily: |
88e5db43 | 3884 | case kPsiP: |
ba8bf3f5 | 3885 | case kChic1: |
3886 | case kChic2: | |
34f60c01 | 3887 | case kJpsi: |
bb6e81ac | 3888 | if (sname == "Vogt" || sname == "Vogt PbPb") { |
05932df6 | 3889 | func=PtJpsiPbPb; |
bb6e81ac | 3890 | } else if (sname == "Vogt pp") { |
3891 | func=PtJpsiPP; | |
a4f206bf | 3892 | } else if (sname == "pp 7") { |
3893 | func=PtJpsiPP7000; | |
755104c5 | 3894 | } else if (sname == "pp 8") { |
3895 | func=PtJpsiPP8000; | |
a4f206bf | 3896 | } else if (sname == "pp 2.76") { |
3897 | func=PtJpsiPP2760; | |
4bac9bd3 | 3898 | } else if (sname == "pp 4.4") { |
3899 | func=PtJpsiPP4400; | |
3900 | } else if (sname == "pp 5.03") { | |
3901 | func=PtJpsiPP5030; | |
3902 | } else if (sname == "pp 8.8") { | |
3903 | func=PtJpsiPP8800; | |
3904 | } else if (sname == "pp 7 poly") { | |
3905 | func=PtJpsiPP7000; | |
3906 | } else if (sname == "pp 2.76 poly") { | |
3907 | func=PtJpsiPP2760; | |
a4f206bf | 3908 | } else if (sname == "PbPb 2.76") { |
3909 | func=PtJpsiPbPb2760; | |
7455632e | 3910 | } else if (sname == "PbPb 2.76c1") { |
3911 | func=PtJpsiPbPb2760c1; | |
3912 | } else if (sname == "PbPb 2.76c2") { | |
3913 | func=PtJpsiPbPb2760c2; | |
3914 | } else if (sname == "PbPb 2.76c3") { | |
3915 | func=PtJpsiPbPb2760c3; | |
3916 | } else if (sname == "PbPb 2.76c4") { | |
3917 | func=PtJpsiPbPb2760c4; | |
3918 | } else if (sname == "PbPb 2.76c5") { | |
3919 | func=PtJpsiPbPb2760c5; | |
3920 | } else if (sname == "PbPb 2.76c6") { | |
3921 | func=PtJpsiPbPb2760c6; | |
3922 | } else if (sname == "PbPb 2.76c7") { | |
3923 | func=PtJpsiPbPb2760c7; | |
3924 | } else if (sname == "PbPb 2.76c8") { | |
3925 | func=PtJpsiPbPb2760c8; | |
3926 | } else if (sname == "PbPb 2.76c9") { | |
3927 | func=PtJpsiPbPb2760c9; | |
3928 | } else if (sname == "PbPb 2.76c10") { | |
3929 | func=PtJpsiPbPb2760c10; | |
3930 | } else if (sname == "PbPb 2.76c11") { | |
3931 | func=PtJpsiPbPb2760c11; | |
4bac9bd3 | 3932 | } else if (sname == "pPb 5.03") { |
3933 | func=PtJpsiPPb5030; | |
3934 | } else if (sname == "pPb 5.03c1") { | |
3935 | func=PtJpsiPPb5030c1; | |
3936 | } else if (sname == "pPb 5.03c2") { | |
3937 | func=PtJpsiPPb5030c2; | |
3938 | } else if (sname == "pPb 5.03c3") { | |
3939 | func=PtJpsiPPb5030c3; | |
3940 | } else if (sname == "pPb 5.03c4") { | |
3941 | func=PtJpsiPPb5030c4; | |
3942 | } else if (sname == "Pbp 5.03") { | |
3943 | func=PtJpsiPbP5030; | |
3944 | } else if (sname == "Pbp 5.03c1") { | |
3945 | func=PtJpsiPbP5030c1; | |
3946 | } else if (sname == "Pbp 5.03c2") { | |
3947 | func=PtJpsiPbP5030c2; | |
3948 | } else if (sname == "Pbp 5.03c3") { | |
3949 | func=PtJpsiPbP5030c3; | |
3950 | } else if (sname == "Pbp 5.03c4") { | |
3951 | func=PtJpsiPbP5030c4; | |
7455632e | 3952 | } else if (sname == "pPb 8.8") { |
3953 | func=PtJpsiPPb8800; | |
3954 | } else if (sname == "pPb 8.8c1") { | |
3955 | func=PtJpsiPPb8800c1; | |
3956 | } else if (sname == "pPb 8.8c2") { | |
3957 | func=PtJpsiPPb8800c2; | |
3958 | } else if (sname == "pPb 8.8c3") { | |
3959 | func=PtJpsiPPb8800c3; | |
3960 | } else if (sname == "pPb 8.8c4") { | |
3961 | func=PtJpsiPPb8800c4; | |
3962 | } else if (sname == "Pbp 8.8") { | |
3963 | func=PtJpsiPbP8800; | |
3964 | } else if (sname == "Pbp 8.8c1") { | |
3965 | func=PtJpsiPbP8800c1; | |
3966 | } else if (sname == "Pbp 8.8c2") { | |
3967 | func=PtJpsiPbP8800c2; | |
3968 | } else if (sname == "Pbp 8.8c3") { | |
3969 | func=PtJpsiPbP8800c3; | |
3970 | } else if (sname == "Pbp 8.8c4") { | |
3971 | func=PtJpsiPbP8800c4; | |
0e137c25 | 3972 | } else if (sname == "CDF scaled") { |
3973 | func=PtJpsiCDFscaled; | |
9ff13849 | 3974 | } else if (sname == "CDF pp") { |
3975 | func=PtJpsiCDFscaledPP; | |
9e9ae065 | 3976 | } else if (sname == "CDF pp 10") { |
3977 | func=PtJpsiCDFscaledPP10; | |
9fd56238 | 3978 | } else if (sname == "CDF pp 8.8") { |
3979 | func=PtJpsiCDFscaledPP9; | |
94a2994d | 3980 | } else if (sname == "CDF pp 7" || sname == "CDF pp 7 flat y") { |
9fd56238 | 3981 | func=PtJpsiCDFscaledPP7; |
3982 | } else if (sname == "CDF pp 3.94") { | |
3983 | func=PtJpsiCDFscaledPP4; | |
a4f206bf | 3984 | } else if (sname == "CDF pp 2.76") { |
3985 | func=PtJpsiCDFscaledPP3; | |
3986 | } else if (sname == "CDF pp 1.9") { | |
3987 | func=PtJpsiCDFscaledPP2; | |
9fd56238 | 3988 | } else if (sname == "CDF pPb 8.8") { |
3989 | func=PtJpsiCDFscaledPPb9; | |
3990 | } else if (sname == "CDF Pbp 8.8") { | |
3991 | func=PtJpsiCDFscaledPbP9; | |
3992 | } else if (sname == "CDF PbPb 3.94") { | |
3993 | func=PtJpsiCDFscaledPbPb4; | |
94a2994d | 3994 | } else if (sname == "Flat" || sname == "CDF pp 7 flat pt") { |
4ca8d070 | 3995 | func=PtJpsiFlat; |
05932df6 | 3996 | } else { |
3997 | func=PtJpsi; | |
3998 | } | |
fe4da5cc | 3999 | break; |
17d28ba5 | 4000 | case kJpsiFromB: |
4001 | func = PtJpsiBPbPb; | |
4002 | break; | |
0ad09590 | 4003 | case kUpsilonFamily: |
88e5db43 | 4004 | case kUpsilonP: |
4005 | case kUpsilonPP: | |
34f60c01 | 4006 | case kUpsilon: |
bb6e81ac | 4007 | if (sname == "Vogt" || sname == "Vogt PbPb") { |
05932df6 | 4008 | func=PtUpsilonPbPb; |
bb6e81ac | 4009 | } else if (sname == "Vogt pp") { |
4010 | func=PtUpsilonPP; | |
7455632e | 4011 | } else if (sname == "pp 7") { |
4012 | func=PtUpsilonPP7000; | |
57fab265 | 4013 | } else if (sname == "pp 8") { |
4014 | func=PtUpsilonPP8000; | |
7455632e | 4015 | } else if (sname == "pp 2.76") { |
4016 | func=PtUpsilonPP2760; | |
4bac9bd3 | 4017 | } else if (sname == "pp 4.4") { |
4018 | func=PtUpsilonPP4400; | |
4019 | } else if (sname == "pp 5.03") { | |
4020 | func=PtUpsilonPP5030; | |
4021 | } else if (sname == "pp 8.8") { | |
4022 | func=PtUpsilonPP8800; | |
4023 | } else if (sname == "pp 7 poly") { | |
4024 | func=PtUpsilonPP7000; | |
4025 | } else if (sname == "pp 2.76 poly") { | |
4026 | func=PtUpsilonPP2760; | |
7455632e | 4027 | } else if (sname == "PbPb 2.76") { |
4028 | func=PtUpsilonPbPb2760; | |
4029 | } else if (sname == "PbPb 2.76c1") { | |
4030 | func=PtUpsilonPbPb2760c1; | |
4031 | } else if (sname == "PbPb 2.76c2") { | |
4032 | func=PtUpsilonPbPb2760c2; | |
4033 | } else if (sname == "PbPb 2.76c3") { | |
4034 | func=PtUpsilonPbPb2760c3; | |
4035 | } else if (sname == "PbPb 2.76c4") { | |
4036 | func=PtUpsilonPbPb2760c4; | |
4037 | } else if (sname == "PbPb 2.76c5") { | |
4038 | func=PtUpsilonPbPb2760c5; | |
4039 | } else if (sname == "PbPb 2.76c6") { | |
4040 | func=PtUpsilonPbPb2760c6; | |
4041 | } else if (sname == "PbPb 2.76c7") { | |
4042 | func=PtUpsilonPbPb2760c7; | |
4043 | } else if (sname == "PbPb 2.76c8") { | |
4044 | func=PtUpsilonPbPb2760c8; | |
4045 | } else if (sname == "PbPb 2.76c9") { | |
4046 | func=PtUpsilonPbPb2760c9; | |
4047 | } else if (sname == "PbPb 2.76c10") { | |
4048 | func=PtUpsilonPbPb2760c10; | |
4049 | } else if (sname == "PbPb 2.76c11") { | |
4050 | func=PtUpsilonPbPb2760c11; | |
4bac9bd3 | 4051 | } else if (sname == "pPb 5.03") { |
4052 | func=PtUpsilonPPb5030; | |
4053 | } else if (sname == "pPb 5.03c1") { | |
4054 | func=PtUpsilonPPb5030c1; | |
4055 | } else if (sname == "pPb 5.03c2") { | |
4056 | func=PtUpsilonPPb5030c2; | |
4057 | } else if (sname == "pPb 5.03c3") { | |
4058 | func=PtUpsilonPPb5030c3; | |
4059 | } else if (sname == "pPb 5.03c4") { | |
4060 | func=PtUpsilonPPb5030c4; | |
4061 | } else if (sname == "Pbp 5.03") { | |
4062 | func=PtUpsilonPbP5030; | |
4063 | } else if (sname == "Pbp 5.03c1") { | |
4064 | func=PtUpsilonPbP5030c1; | |
4065 | } else if (sname == "Pbp 5.03c2") { | |
4066 | func=PtUpsilonPbP5030c2; | |
4067 | } else if (sname == "Pbp 5.03c3") { | |
4068 | func=PtUpsilonPbP5030c3; | |
4069 | } else if (sname == "Pbp 5.03c4") { | |
4070 | func=PtUpsilonPbP5030c4; | |
7455632e | 4071 | } else if (sname == "pPb 8.8") { |
4072 | func=PtUpsilonPPb8800; | |
4073 | } else if (sname == "pPb 8.8c1") { | |
4074 | func=PtUpsilonPPb8800c1; | |
4075 | } else if (sname == "pPb 8.8c2") { | |
4076 | func=PtUpsilonPPb8800c2; | |
4077 | } else if (sname == "pPb 8.8c3") { | |
4078 | func=PtUpsilonPPb8800c3; | |
4079 | } else if (sname == "pPb 8.8c4") { | |
4080 | func=PtUpsilonPPb8800c4; | |
4081 | } else if (sname == "Pbp 8.8") { | |
4082 | func=PtUpsilonPbP8800; | |
4083 | } else if (sname == "Pbp 8.8c1") { | |
4084 | func=PtUpsilonPbP8800c1; | |
4085 | } else if (sname == "Pbp 8.8c2") { | |
4086 | func=PtUpsilonPbP8800c2; | |
4087 | } else if (sname == "Pbp 8.8c3") { | |
4088 | func=PtUpsilonPbP8800c3; | |
4089 | } else if (sname == "Pbp 8.8c4") { | |
4090 | func=PtUpsilonPbP8800c4; | |
0e137c25 | 4091 | } else if (sname == "CDF scaled") { |
4092 | func=PtUpsilonCDFscaled; | |
9ff13849 | 4093 | } else if (sname == "CDF pp") { |
4094 | func=PtUpsilonCDFscaledPP; | |
b33adf51 | 4095 | } else if (sname == "CDF pp 10") { |
4096 | func=PtUpsilonCDFscaledPP10; | |
9fd56238 | 4097 | } else if (sname == "CDF pp 8.8") { |
4098 | func=PtUpsilonCDFscaledPP9; | |
4099 | } else if (sname == "CDF pp 7") { | |
4100 | func=PtUpsilonCDFscaledPP7; | |
4101 | } else if (sname == "CDF pp 3.94") { | |
4102 | func=PtUpsilonCDFscaledPP4; | |
4103 | } else if (sname == "CDF pPb 8.8") { | |
4104 | func=PtUpsilonCDFscaledPPb9; | |
4105 | } else if (sname == "CDF Pbp 8.8") { | |
4106 | func=PtUpsilonCDFscaledPbP9; | |
4107 | } else if (sname == "CDF PbPb 3.94") { | |
4108 | func=PtUpsilonCDFscaledPbPb4; | |
4ca8d070 | 4109 | } else if (sname == "Flat") { |
4110 | func=PtUpsilonFlat; | |
05932df6 | 4111 | } else { |
4112 | func=PtUpsilon; | |
4113 | } | |
0ad09590 | 4114 | break; |
34f60c01 | 4115 | case kCharm: |
9e9ae065 | 4116 | if (sname == "F0M0S0 pp") { |
4117 | func=PtCharmF0M0S0PP; | |
4118 | } else if (sname == "F1M0S0 pp") { | |
4119 | func=PtCharmF1M0S0PP; | |
4120 | } else if (sname == "F2M0S0 pp") { | |
4121 | func=PtCharmF2M0S0PP; | |
4122 | } else if (sname == "F0M1S0 pp") { | |
4123 | func=PtCharmF0M1S0PP; | |
4124 | } else if (sname == "F0M2S0 pp") { | |
4125 | func=PtCharmF0M2S0PP; | |
4126 | } else if (sname == "F0M0S1 pp") { | |
4127 | func=PtCharmF0M0S1PP; | |
4128 | } else if (sname == "F0M0S2 pp") { | |
4129 | func=PtCharmF0M0S2PP; | |
4130 | } else if (sname == "F0M0S3 pp") { | |
4131 | func=PtCharmF0M0S3PP; | |
4132 | } else if (sname == "F0M0S4 pp") { | |
4133 | func=PtCharmF0M0S4PP; | |
4134 | } else if (sname == "F0M0S5 pp") { | |
4135 | func=PtCharmF0M0S5PP; | |
4136 | } else if (sname == "F0M0S6 pp") { | |
4137 | func=PtCharmF0M0S6PP; | |
4138 | } else if (sname == "central") { | |
bd0276a8 | 4139 | func=PtCharmCentral; |
4140 | } else { | |
4141 | func=PtCharm; | |
4142 | } | |
fe4da5cc | 4143 | break; |
34f60c01 | 4144 | case kBeauty: |
9e9ae065 | 4145 | if (sname == "F0M0S0 pp") { |
4146 | func=PtBeautyF0M0S0PP; | |
4147 | } else if (sname == "F1M0S0 pp") { | |
4148 | func=PtBeautyF1M0S0PP; | |
4149 | } else if (sname == "F2M0S0 pp") { | |
4150 | func=PtBeautyF2M0S0PP; | |
4151 | } else if (sname == "F0M1S0 pp") { | |
4152 | func=PtBeautyF0M1S0PP; | |
4153 | } else if (sname == "F0M2S0 pp") { | |
4154 | func=PtBeautyF0M2S0PP; | |
4155 | } else if (sname == "F0M0S1 pp") { | |
4156 | func=PtBeautyF0M0S1PP; | |
4157 | } else if (sname == "F0M0S2 pp") { | |
4158 | func=PtBeautyF0M0S2PP; | |
4159 | } else if (sname == "F0M0S3 pp") { | |
4160 | func=PtBeautyF0M0S3PP; | |
4161 | } else if (sname == "F0M0S4 pp") { | |
4162 | func=PtBeautyF0M0S4PP; | |
4163 | } else if (sname == "F0M0S5 pp") { | |
4164 | func=PtBeautyF0M0S5PP; | |
4165 | } else if (sname == "F0M0S6 pp") { | |
4166 | func=PtBeautyF0M0S6PP; | |
4167 | } else if (sname == "central") { | |
bd0276a8 | 4168 | func=PtBeautyCentral; |
4169 | } else { | |
4170 | func=PtBeauty; | |
4171 | } | |
fe4da5cc | 4172 | break; |
34f60c01 | 4173 | case kPion: |
f9a1ce31 | 4174 | if (sname == "2010 Pos PP") { |
4175 | func=PtPionPos2010PP; | |
4176 | } else if (sname == "2010 Neg PP") { | |
4177 | func=PtPionNeg2010PP; | |
4178 | } else { | |
4179 | func=PtPion; | |
4180 | } | |
753690b0 | 4181 | break; |
34f60c01 | 4182 | case kKaon: |
f9a1ce31 | 4183 | if (sname == "2010 Pos PP") { |
4184 | func=PtKaonPos2010PP; | |
4185 | } else if (sname == "2010 Neg PP") { | |
4186 | func=PtKaonNeg2010PP; | |
4187 | } else { | |
4188 | func=PtKaon; | |
4189 | } | |
753690b0 | 4190 | break; |
6b450aa0 | 4191 | case kChic0: |
4192 | func=PtChic0; | |
00935af2 | 4193 | break; |
6b450aa0 | 4194 | case kChic: |
4195 | func=PtChic; | |
00935af2 | 4196 | break; |
119b35c7 | 4197 | default: |
4198 | func=0; | |
4199 | printf("<AliGenMUONlib::GetPt> unknown parametrisation\n"); | |
fe4da5cc | 4200 | } |
4201 | return func; | |
4202 | } | |
4203 | ||
53904666 | 4204 | GenFunc AliGenMUONlib::GetY(Int_t param, const char* tname) const |
fe4da5cc | 4205 | { |
ac3faee4 | 4206 | // |
4207 | // Return pointer to y- parameterisation | |
4208 | // | |
05932df6 | 4209 | TString sname = TString(tname); |
fe4da5cc | 4210 | GenFunc func; |
753690b0 | 4211 | switch (param) |
fe4da5cc | 4212 | { |
34f60c01 | 4213 | case kPhi: |
fe4da5cc | 4214 | func=YPhi; |
4215 | break; | |
89512a3b | 4216 | case kEta: |
4217 | func=YEta; | |
4218 | break; | |
4219 | case kOmega: | |
4220 | func=YOmega; | |
4221 | break; | |
0ad09590 | 4222 | case kJpsiFamily: |
88e5db43 | 4223 | case kPsiP: |
ba8bf3f5 | 4224 | case kChic1: |
4225 | case kChic2: | |
34f60c01 | 4226 | case kJpsi: |
bb6e81ac | 4227 | if (sname == "Vogt" || sname == "Vogt PbPb") { |
05932df6 | 4228 | func=YJpsiPbPb; |
bb6e81ac | 4229 | } else if (sname == "Vogt pp"){ |
4230 | func=YJpsiPP; | |
a4f206bf | 4231 | } else if (sname == "pp 7") { |
4232 | func=YJpsiPP7000; | |
cec4fa76 | 4233 | } else if (sname == "pp 8") { |
755104c5 | 4234 | func=YJpsiPP8000; |
a4f206bf | 4235 | } else if (sname == "pp 2.76") { |
4236 | func=YJpsiPP2760; | |
4bac9bd3 | 4237 | } else if (sname == "pp 4.4") { |
4238 | func=YJpsiPP4400; | |
4239 | } else if (sname == "pp 5.03") { | |
4240 | func=YJpsiPP5030; | |
4241 | } else if (sname == "pp 8.8") { | |
4242 | func=YJpsiPP8800; | |
4243 | } else if (sname == "pp 7 poly") { | |
4244 | func=YJpsiPPpoly7000; | |
4245 | } else if (sname == "pp 2.76 poly") { | |
4246 | func=YJpsiPPpoly2760; | |
a4f206bf | 4247 | } else if (sname == "PbPb 2.76") { |
4248 | func=YJpsiPbPb2760; | |
7455632e | 4249 | } else if (sname == "PbPb 2.76c1") { |
4250 | func=YJpsiPbPb2760c1; | |
4251 | } else if (sname == "PbPb 2.76c2") { | |
4252 | func=YJpsiPbPb2760c2; | |
4253 | } else if (sname == "PbPb 2.76c3") { | |
4254 | func=YJpsiPbPb2760c3; | |
4255 | } else if (sname == "PbPb 2.76c4") { | |
4256 | func=YJpsiPbPb2760c4; | |
4257 | } else if (sname == "PbPb 2.76c5") { | |
4258 | func=YJpsiPbPb2760c5; | |
4259 | } else if (sname == "PbPb 2.76c6") { | |
4260 | func=YJpsiPbPb2760c6; | |
4261 | } else if (sname == "PbPb 2.76c7") { | |
4262 | func=YJpsiPbPb2760c7; | |
4263 | } else if (sname == "PbPb 2.76c8") { | |
4264 | func=YJpsiPbPb2760c8; | |
4265 | } else if (sname == "PbPb 2.76c9") { | |
4266 | func=YJpsiPbPb2760c9; | |
4267 | } else if (sname == "PbPb 2.76c10") { | |
4268 | func=YJpsiPbPb2760c10; | |
4269 | } else if (sname == "PbPb 2.76c11") { | |
4270 | func=YJpsiPbPb2760c11; | |
4bac9bd3 | 4271 | } else if (sname == "pPb 5.03") { |
4272 | func=YJpsiPPb5030; | |
4273 | } else if (sname == "pPb 5.03c1") { | |
4274 | func=YJpsiPPb5030c1; | |
4275 | } else if (sname == "pPb 5.03c2") { | |
4276 | func=YJpsiPPb5030c2; | |
4277 | } else if (sname == "pPb 5.03c3") { | |
4278 | func=YJpsiPPb5030c3; | |
4279 | } else if (sname == "pPb 5.03c4") { | |
4280 | func=YJpsiPPb5030c4; | |
4281 | } else if (sname == "Pbp 5.03") { | |
4282 | func=YJpsiPbP5030; | |
4283 | } else if (sname == "Pbp 5.03c1") { | |
4284 | func=YJpsiPbP5030c1; | |
4285 | } else if (sname == "Pbp 5.03c2") { | |
4286 | func=YJpsiPbP5030c2; | |
4287 | } else if (sname == "Pbp 5.03c3") { | |
4288 | func=YJpsiPbP5030c3; | |
4289 | } else if (sname == "Pbp 5.03c4") { | |
4290 | func=YJpsiPbP5030c4; | |
7455632e | 4291 | } else if (sname == "pPb 8.8") { |
4292 | func=YJpsiPPb8800; | |
4293 | } else if (sname == "pPb 8.8c1") { | |
4294 | func=YJpsiPPb8800c1; | |
4295 | } else if (sname == "pPb 8.8c2") { | |
4296 | func=YJpsiPPb8800c2; | |
4297 | } else if (sname == "pPb 8.8c3") { | |
4298 | func=YJpsiPPb8800c3; | |
4299 | } else if (sname == "pPb 8.8c4") { | |
4300 | func=YJpsiPPb8800c4; | |
4301 | } else if (sname == "Pbp 8.8") { | |
4302 | func=YJpsiPbP8800; | |
4303 | } else if (sname == "Pbp 8.8c1") { | |
4304 | func=YJpsiPbP8800c1; | |
4305 | } else if (sname == "Pbp 8.8c2") { | |
4306 | func=YJpsiPbP8800c2; | |
4307 | } else if (sname == "Pbp 8.8c3") { | |
4308 | func=YJpsiPbP8800c3; | |
4309 | } else if (sname == "Pbp 8.8c4") { | |
4310 | func=YJpsiPbP8800c4; | |
0e137c25 | 4311 | } else if (sname == "CDF scaled") { |
4312 | func=YJpsiCDFscaled; | |
9ff13849 | 4313 | } else if (sname == "CDF pp") { |
4314 | func=YJpsiCDFscaledPP; | |
9e9ae065 | 4315 | } else if (sname == "CDF pp 10") { |
4316 | func=YJpsiCDFscaledPP10; | |
9fd56238 | 4317 | } else if (sname == "CDF pp 8.8") { |
4318 | func=YJpsiCDFscaledPP9; | |
94a2994d | 4319 | } else if (sname == "CDF pp 7" || sname == "CDF pp 7 flat pt") { |
9fd56238 | 4320 | func=YJpsiCDFscaledPP7; |
4321 | } else if (sname == "CDF pp 3.94") { | |
4322 | func=YJpsiCDFscaledPP4; | |
a4f206bf | 4323 | } else if (sname == "CDF pp 2.76") { |
4324 | func=YJpsiCDFscaledPP3; | |
4325 | } else if (sname == "CDF pp 1.9") { | |
4326 | func=YJpsiCDFscaledPP2; | |
9fd56238 | 4327 | } else if (sname == "CDF pPb 8.8") { |
4328 | func=YJpsiCDFscaledPPb9; | |
4329 | } else if (sname == "CDF Pbp 8.8") { | |
4330 | func=YJpsiCDFscaledPbP9; | |
4331 | } else if (sname == "CDF PbPb 3.94") { | |
4332 | func=YJpsiCDFscaledPbPb4; | |
94a2994d | 4333 | } else if (sname == "Flat" || sname == "CDF pp 7 flat y") { |
4ca8d070 | 4334 | func=YJpsiFlat; |
05932df6 | 4335 | } else { |
4336 | func=YJpsi; | |
4337 | } | |
17d28ba5 | 4338 | break; |
4339 | case kJpsiFromB: | |
4340 | func = YJpsiBPbPb; | |
fe4da5cc | 4341 | break; |
0ad09590 | 4342 | case kUpsilonFamily: |
88e5db43 | 4343 | case kUpsilonP: |
4344 | case kUpsilonPP: | |
34f60c01 | 4345 | case kUpsilon: |
bb6e81ac | 4346 | if (sname == "Vogt" || sname == "Vogt PbPb") { |
05932df6 | 4347 | func=YUpsilonPbPb; |
bb6e81ac | 4348 | } else if (sname == "Vogt pp") { |
4349 | func = YUpsilonPP; | |
7455632e | 4350 | } else if (sname == "pp 7") { |
4351 | func=YUpsilonPP7000; | |
cec4fa76 | 4352 | } else if (sname == "pp 8") { |
4353 | func=YUpsilonPP8000; | |
7455632e | 4354 | } else if (sname == "pp 2.76") { |
4355 | func=YUpsilonPP2760; | |
4bac9bd3 | 4356 | } else if (sname == "pp 4.4") { |
4357 | func=YUpsilonPP4400; | |
4358 | } else if (sname == "pp 5.03") { | |
4359 | func=YUpsilonPP5030; | |
4360 | } else if (sname == "pp 8.8") { | |
4361 | func=YUpsilonPP8800; | |
4362 | } else if (sname == "pp 7 poly") { | |
4363 | func=YUpsilonPPpoly7000; | |
4364 | } else if (sname == "pp 2.76 poly") { | |
4365 | func=YUpsilonPPpoly2760; | |
7455632e | 4366 | } else if (sname == "PbPb 2.76") { |
4367 | func=YUpsilonPbPb2760; | |
4368 | } else if (sname == "PbPb 2.76c1") { | |
4369 | func=YUpsilonPbPb2760c1; | |
4370 | } else if (sname == "PbPb 2.76c2") { | |
4371 | func=YUpsilonPbPb2760c2; | |
4372 | } else if (sname == "PbPb 2.76c3") { | |
4373 | func=YUpsilonPbPb2760c3; | |
4374 | } else if (sname == "PbPb 2.76c4") { | |
4375 | func=YUpsilonPbPb2760c4; | |
4376 | } else if (sname == "PbPb 2.76c5") { | |
4377 | func=YUpsilonPbPb2760c5; | |
4378 | } else if (sname == "PbPb 2.76c6") { | |
4379 | func=YUpsilonPbPb2760c6; | |
4380 | } else if (sname == "PbPb 2.76c7") { | |
4381 | func=YUpsilonPbPb2760c7; | |
4382 | } else if (sname == "PbPb 2.76c8") { | |
4383 | func=YUpsilonPbPb2760c8; | |
4384 | } else if (sname == "PbPb 2.76c9") { | |
4385 | func=YUpsilonPbPb2760c9; | |
4386 | } else if (sname == "PbPb 2.76c10") { | |
4387 | func=YUpsilonPbPb2760c10; | |
4388 | } else if (sname == "PbPb 2.76c11") { | |
4389 | func=YUpsilonPbPb2760c11; | |
4bac9bd3 | 4390 | } else if (sname == "pPb 5.03") { |
4391 | func=YUpsilonPPb5030; | |
4392 | } else if (sname == "pPb 5.03c1") { | |
4393 | func=YUpsilonPPb5030c1; | |
4394 | } else if (sname == "pPb 5.03c2") { | |
4395 | func=YUpsilonPPb5030c2; | |
4396 | } else if (sname == "pPb 5.03c3") { | |
4397 | func=YUpsilonPPb5030c3; | |
4398 | } else if (sname == "pPb 5.03c4") { | |
4399 | func=YUpsilonPPb5030c4; | |
4400 | } else if (sname == "Pbp 5.03") { | |
4401 | func=YUpsilonPbP5030; | |
4402 | } else if (sname == "Pbp 5.03c1") { | |
4403 | func=YUpsilonPbP5030c1; | |
4404 | } else if (sname == "Pbp 5.03c2") { | |
4405 | func=YUpsilonPbP5030c2; | |
4406 | } else if (sname == "Pbp 5.03c3") { | |
4407 | func=YUpsilonPbP5030c3; | |
4408 | } else if (sname == "Pbp 5.03c4") { | |
4409 | func=YUpsilonPbP5030c4; | |
7455632e | 4410 | } else if (sname == "pPb 8.8") { |
4411 | func=YUpsilonPPb8800; | |
4412 | } else if (sname == "pPb 8.8c1") { | |
4413 | func=YUpsilonPPb8800c1; | |
4414 | } else if (sname == "pPb 8.8c2") { | |
4415 | func=YUpsilonPPb8800c2; | |
4416 | } else if (sname == "pPb 8.8c3") { | |
4417 | func=YUpsilonPPb8800c3; | |
4418 | } else if (sname == "pPb 8.8c4") { | |
4419 | func=YUpsilonPPb8800c4; | |
4420 | } else if (sname == "Pbp 8.8") { | |
4421 | func=YUpsilonPbP8800; | |
4422 | } else if (sname == "Pbp 8.8c1") { | |
4423 | func=YUpsilonPbP8800c1; | |
4424 | } else if (sname == "Pbp 8.8c2") { | |
4425 | func=YUpsilonPbP8800c2; | |
4426 | } else if (sname == "Pbp 8.8c3") { | |
4427 | func=YUpsilonPbP8800c3; | |
4428 | } else if (sname == "Pbp 8.8c4") { | |
4429 | func=YUpsilonPbP8800c4; | |
0e137c25 | 4430 | } else if (sname == "CDF scaled") { |
4431 | func=YUpsilonCDFscaled; | |
9ff13849 | 4432 | } else if (sname == "CDF pp") { |
4433 | func=YUpsilonCDFscaledPP; | |
b33adf51 | 4434 | } else if (sname == "CDF pp 10") { |
4435 | func=YUpsilonCDFscaledPP10; | |
9fd56238 | 4436 | } else if (sname == "CDF pp 8.8") { |
4437 | func=YUpsilonCDFscaledPP9; | |
4438 | } else if (sname == "CDF pp 7") { | |
4439 | func=YUpsilonCDFscaledPP7; | |
4440 | } else if (sname == "CDF pp 3.94") { | |
4441 | func=YUpsilonCDFscaledPP4; | |
4442 | } else if (sname == "CDF pPb 8.8") { | |
4443 | func=YUpsilonCDFscaledPPb9; | |
4444 | } else if (sname == "CDF Pbp 8.8") { | |
4445 | func=YUpsilonCDFscaledPbP9; | |
4446 | } else if (sname == "CDF PbPb 3.94") { | |
4447 | func=YUpsilonCDFscaledPbPb4; | |
4ca8d070 | 4448 | } else if (sname == "Flat") { |
4449 | func=YUpsilonFlat; | |
05932df6 | 4450 | } else { |
4451 | func=YUpsilon; | |
4452 | } | |
fe4da5cc | 4453 | break; |
34f60c01 | 4454 | case kCharm: |
9e9ae065 | 4455 | if (sname == "F0M0S0 pp") { |
4456 | func=YCharmF0M0S0PP; | |
4457 | } else if (sname == "F1M0S0 pp") { | |
4458 | func=YCharmF1M0S0PP; | |
4459 | } else if (sname == "F2M0S0 pp") { | |
4460 | func=YCharmF2M0S0PP; | |
4461 | } else if (sname == "F0M1S0 pp") { | |
4462 | func=YCharmF0M1S0PP; | |
4463 | } else if (sname == "F0M2S0 pp") { | |
4464 | func=YCharmF0M2S0PP; | |
4465 | } else if (sname == "F0M0S1 pp") { | |
4466 | func=YCharmF0M0S1PP; | |
4467 | } else if (sname == "F0M0S2 pp") { | |
4468 | func=YCharmF0M0S2PP; | |
4469 | } else if (sname == "F0M0S3 pp") { | |
4470 | func=YCharmF0M0S3PP; | |
4471 | } else if (sname == "F0M0S4 pp") { | |
4472 | func=YCharmF0M0S4PP; | |
4473 | } else if (sname == "F0M0S5 pp") { | |
4474 | func=YCharmF0M0S5PP; | |
4475 | } else if (sname == "F0M0S6 pp") { | |
4476 | func=YCharmF0M0S6PP; | |
4477 | } else { | |
4478 | func=YCharm; | |
4479 | } | |
fe4da5cc | 4480 | break; |
34f60c01 | 4481 | case kBeauty: |
9e9ae065 | 4482 | if (sname == "F0M0S0 pp") { |
4483 | func=YBeautyF0M0S0PP; | |
4484 | } else if (sname == "F1M0S0 pp") { | |
4485 | func=YBeautyF1M0S0PP; | |
4486 | } else if (sname == "F2M0S0 pp") { | |
4487 | func=YBeautyF2M0S0PP; | |
4488 | } else if (sname == "F0M1S0 pp") { | |
4489 | func=YBeautyF0M1S0PP; | |
4490 | } else if (sname == "F0M2S0 pp") { | |
4491 | func=YBeautyF0M2S0PP; | |
4492 | } else if (sname == "F0M0S1 pp") { | |
4493 | func=YBeautyF0M0S1PP; | |
4494 | } else if (sname == "F0M0S2 pp") { | |
4495 | func=YBeautyF0M0S2PP; | |
4496 | } else if (sname == "F0M0S3 pp") { | |
4497 | func=YBeautyF0M0S3PP; | |
4498 | } else if (sname == "F0M0S4 pp") { | |
4499 | func=YBeautyF0M0S4PP; | |
4500 | } else if (sname == "F0M0S5 pp") { | |
4501 | func=YBeautyF0M0S5PP; | |
4502 | } else if (sname == "F0M0S6 pp") { | |
4503 | func=YBeautyF0M0S6PP; | |
4504 | } else { | |
4505 | func=YBeauty; | |
4506 | } | |
fe4da5cc | 4507 | break; |
34f60c01 | 4508 | case kPion: |
f9a1ce31 | 4509 | if (sname == "2010 Pos PP") { |
4510 | func=YKaonPion2010PP; | |
4511 | } else if (sname == "2010 Neg PP") { | |
4512 | func=YKaonPion2010PP; | |
4513 | } else { | |
4514 | func=YPion; | |
4515 | } | |
753690b0 | 4516 | break; |
34f60c01 | 4517 | case kKaon: |
f9a1ce31 | 4518 | if (sname == "2010 Pos PP") { |
4519 | func=YKaonPion2010PP; | |
4520 | } else if (sname == "2010 Neg PP") { | |
4521 | func=YKaonPion2010PP; | |
4522 | } else { | |
4523 | func=YKaon; | |
4524 | } | |
753690b0 | 4525 | break; |
6b450aa0 | 4526 | case kChic0: |
4527 | func=YChic0; | |
00935af2 | 4528 | break; |
6b450aa0 | 4529 | case kChic: |
4530 | func=YChic; | |
00935af2 | 4531 | break; |
119b35c7 | 4532 | default: |
4533 | func=0; | |
4534 | printf("<AliGenMUONlib::GetY> unknown parametrisation\n"); | |
fe4da5cc | 4535 | } |
4536 | return func; | |
4537 | } | |
00935af2 | 4538 | |
4539 | // | |
4540 | // Chi | |
4541 | // | |
4542 | // | |
4543 | // pt-distribution | |
4544 | //____________________________________________________________ | |
75e0cc59 | 4545 | Double_t AliGenMUONlib::PtChic0( const Double_t *px, const Double_t */*dummy*/) |
00935af2 | 4546 | { |
4547 | // Chi_c1 pT | |
4548 | const Double_t kpt0 = 4.; | |
4549 | const Double_t kxn = 3.6; | |
4550 | Double_t x=*px; | |
4551 | // | |
4552 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
4553 | return x/TMath::Power(pass1,kxn); | |
4554 | } | |
75e0cc59 | 4555 | Double_t AliGenMUONlib::PtChic1( const Double_t *px, const Double_t */*dummy*/) |
00935af2 | 4556 | { |
4557 | // Chi_c1 pT | |
4558 | const Double_t kpt0 = 4.; | |
4559 | const Double_t kxn = 3.6; | |
4560 | Double_t x=*px; | |
4561 | // | |
4562 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
4563 | return x/TMath::Power(pass1,kxn); | |
4564 | } | |
75e0cc59 | 4565 | Double_t AliGenMUONlib::PtChic2( const Double_t *px, const Double_t */*dummy*/) |
00935af2 | 4566 | { |
4567 | // Chi_c2 pT | |
4568 | const Double_t kpt0 = 4.; | |
4569 | const Double_t kxn = 3.6; | |
4570 | Double_t x=*px; | |
4571 | // | |
4572 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
4573 | return x/TMath::Power(pass1,kxn); | |
4574 | } | |
75e0cc59 | 4575 | Double_t AliGenMUONlib::PtChic( const Double_t *px, const Double_t */*dummy*/) |
00935af2 | 4576 | { |
4577 | // Chi_c family pT | |
4578 | const Double_t kpt0 = 4.; | |
4579 | const Double_t kxn = 3.6; | |
4580 | Double_t x=*px; | |
4581 | // | |
4582 | Double_t pass1 = 1.+(x/kpt0)*(x/kpt0); | |
4583 | return x/TMath::Power(pass1,kxn); | |
4584 | } | |
4585 | ||
4586 | // | |
4587 | // y-distribution | |
4588 | //____________________________________________________________ | |
75e0cc59 | 4589 | Double_t AliGenMUONlib::YChic0(const Double_t *py, const Double_t */*dummy*/) |
00935af2 | 4590 | { |
4591 | // Chi-1c y | |
4592 | const Double_t ky0 = 4.; | |
4593 | const Double_t kb=1.; | |
4594 | Double_t yj; | |
4595 | Double_t y=TMath::Abs(*py); | |
4596 | // | |
4597 | if (y < ky0) | |
4598 | yj=kb; | |
4599 | else | |
4600 | yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); | |
4601 | return yj; | |
4602 | } | |
4603 | ||
75e0cc59 | 4604 | Double_t AliGenMUONlib::YChic1(const Double_t *py, const Double_t */*dummy*/) |
00935af2 | 4605 | { |
4606 | // Chi-1c y | |
4607 | const Double_t ky0 = 4.; | |
4608 | const Double_t kb=1.; | |
4609 | Double_t yj; | |
4610 | Double_t y=TMath::Abs(*py); | |
4611 | // | |
4612 | if (y < ky0) | |
4613 | yj=kb; | |
4614 | else | |
4615 | yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); | |
4616 | return yj; | |
4617 | } | |
4618 | ||
75e0cc59 | 4619 | Double_t AliGenMUONlib::YChic2(const Double_t *py, const Double_t */*dummy*/) |
00935af2 | 4620 | { |
4621 | // Chi-2c y | |
4622 | const Double_t ky0 = 4.; | |
4623 | const Double_t kb=1.; | |
4624 | Double_t yj; | |
4625 | Double_t y=TMath::Abs(*py); | |
4626 | // | |
4627 | if (y < ky0) | |
4628 | yj=kb; | |
4629 | else | |
4630 | yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); | |
4631 | return yj; | |
4632 | } | |
4633 | ||
75e0cc59 | 4634 | Double_t AliGenMUONlib::YChic(const Double_t *py, const Double_t */*dummy*/) |
00935af2 | 4635 | { |
4636 | // Chi_c family y | |
4637 | const Double_t ky0 = 4.; | |
4638 | const Double_t kb=1.; | |
4639 | Double_t yj; | |
4640 | Double_t y=TMath::Abs(*py); | |
4641 | // | |
4642 | if (y < ky0) | |
4643 | yj=kb; | |
4644 | else | |
4645 | yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2); | |
4646 | return yj; | |
4647 | } | |
4648 | ||
4649 | // particle composition | |
4650 | // | |
6b450aa0 | 4651 | Int_t AliGenMUONlib::IpChic0(TRandom *) |
00935af2 | 4652 | { |
4653 | // Chi composition | |
4654 | return 10441; | |
4655 | } | |
4656 | // | |
6b450aa0 | 4657 | Int_t AliGenMUONlib::IpChic1(TRandom *) |
00935af2 | 4658 | { |
4659 | // Chi composition | |
4660 | return 20443; | |
4661 | } | |
6b450aa0 | 4662 | Int_t AliGenMUONlib::IpChic2(TRandom *) |
00935af2 | 4663 | { |
4664 | // Chi_c2 prime composition | |
4665 | return 445; | |
4666 | } | |
6b450aa0 | 4667 | Int_t AliGenMUONlib::IpChic(TRandom *) |
00935af2 | 4668 | { |
4669 | // Chi composition | |
4670 | Int_t ip; | |
4671 | Float_t r = gRandom->Rndm(); | |
4672 | if (r < 0.001) { | |
4673 | ip = 10441; | |
4674 | } else if( r < 0.377 ) { | |
4675 | ip = 20443; | |
4676 | } else { | |
4677 | ip = 445; | |
4678 | } | |
4679 | return ip; | |
4680 | } | |
4681 | ||
4682 | ||
4683 | //_____________________________________________________________ | |
4684 | ||
65fb704d | 4685 | typedef Int_t (*GenFuncIp) (TRandom *); |
f9a1ce31 | 4686 | GenFuncIp AliGenMUONlib::GetIp(Int_t param, const char* tname) const |
fe4da5cc | 4687 | { |
d90f80fd | 4688 | // Return pointer to particle type parameterisation |
f9a1ce31 | 4689 | TString sname = TString(tname); |
fe4da5cc | 4690 | GenFuncIp func; |
753690b0 | 4691 | switch (param) |
fe4da5cc | 4692 | { |
34f60c01 | 4693 | case kPhi: |
fe4da5cc | 4694 | func=IpPhi; |
4695 | break; | |
89512a3b | 4696 | case kEta: |
4697 | func=IpEta; | |
4698 | break; | |
4699 | case kOmega: | |
4700 | func=IpOmega; | |
4701 | break; | |
0ad09590 | 4702 | case kJpsiFamily: |
4703 | func=IpJpsiFamily; | |
4704 | break; | |
88e5db43 | 4705 | case kPsiP: |
4706 | func=IpPsiP; | |
4707 | break; | |
34f60c01 | 4708 | case kJpsi: |
17d28ba5 | 4709 | case kJpsiFromB: |
fe4da5cc | 4710 | func=IpJpsi; |
4711 | break; | |
34f60c01 | 4712 | case kUpsilon: |
fe4da5cc | 4713 | func=IpUpsilon; |
4714 | break; | |
0ad09590 | 4715 | case kUpsilonFamily: |
4716 | func=IpUpsilonFamily; | |
4717 | break; | |
88e5db43 | 4718 | case kUpsilonP: |
4719 | func=IpUpsilonP; | |
4720 | break; | |
4721 | case kUpsilonPP: | |
4722 | func=IpUpsilonPP; | |
4723 | break; | |
34f60c01 | 4724 | case kCharm: |
fe4da5cc | 4725 | func=IpCharm; |
4726 | break; | |
34f60c01 | 4727 | case kBeauty: |
fe4da5cc | 4728 | func=IpBeauty; |
4729 | break; | |
34f60c01 | 4730 | case kPion: |
f9a1ce31 | 4731 | if (sname == "2010 Pos PP") { |
4732 | func=IpPionPos; | |
4733 | } else if (sname == "2010 Neg PP") { | |
4734 | func=IpPionNeg; | |
4735 | } else { | |
4736 | func=IpPion; | |
4737 | } | |
753690b0 | 4738 | break; |
34f60c01 | 4739 | case kKaon: |
f9a1ce31 | 4740 | if (sname == "2010 Pos PP") { |
4741 | func=IpKaonPos; | |
4742 | } else if (sname == "2010 Neg PP") { | |
4743 | func=IpKaonNeg; | |
4744 | } else { | |
4745 | func=IpKaon; | |
4746 | } | |
753690b0 | 4747 | break; |
6b450aa0 | 4748 | case kChic0: |
4749 | func=IpChic0; | |
00935af2 | 4750 | break; |
6b450aa0 | 4751 | case kChic1: |
4752 | func=IpChic1; | |
00935af2 | 4753 | break; |
6b450aa0 | 4754 | case kChic2: |
4755 | func=IpChic2; | |
00935af2 | 4756 | break; |
6b450aa0 | 4757 | case kChic: |
4758 | func=IpChic; | |
00935af2 | 4759 | break; |
119b35c7 | 4760 | default: |
4761 | func=0; | |
4762 | printf("<AliGenMUONlib::GetIp> unknown parametrisation\n"); | |
fe4da5cc | 4763 | } |
4764 | return func; | |
4765 | } | |
4766 | ||
4767 | ||
753690b0 | 4768 | |
05932df6 | 4769 | Float_t AliGenMUONlib::Interpolate(Float_t x, Float_t* y, Float_t x0, |
4770 | Float_t dx, | |
4771 | Int_t n, Int_t no) | |
4772 | { | |
4773 | // | |
4774 | // Neville's alorithm for interpolation | |
4775 | // | |
4776 | // x: x-value | |
4777 | // y: Input array | |
4778 | // x0: minimum x | |
4779 | // dx: step size | |
4780 | // n: number of data points | |
4781 | // no: order of polynom | |
4782 | // | |
4783 | Float_t* c = new Float_t[n]; | |
4784 | Float_t* d = new Float_t[n]; | |
4785 | Int_t m, i; | |
4786 | for (i = 0; i < n; i++) { | |
4787 | c[i] = y[i]; | |
4788 | d[i] = y[i]; | |
4789 | } | |
4790 | ||
4791 | Int_t ns = int((x - x0)/dx); | |
4792 | ||
4793 | Float_t y1 = y[ns]; | |
4794 | ns--; | |
4795 | for (m = 0; m < no; m++) { | |
4796 | for (i = 0; i < n-m; i++) { | |
4797 | Float_t ho = x0 + Float_t(i) * dx - x; | |
4798 | Float_t hp = x0 + Float_t(i+m+1) * dx - x; | |
4799 | Float_t w = c[i+1] - d[i]; | |
4800 | Float_t den = ho-hp; | |
4801 | den = w/den; | |
4802 | d[i] = hp * den; | |
4803 | c[i] = ho * den; | |
4804 | } | |
4805 | Float_t dy; | |
4806 | ||
4807 | if (2*ns < (n-m-1)) { | |
4808 | dy = c[ns+1]; | |
4809 | } else { | |
4810 | dy = d[ns--]; | |
4811 | } | |
4812 | y1 += dy;} | |
4813 | delete[] c; | |
4814 | delete[] d; | |
4815 | ||
4816 | return y1; | |
4817 | } | |
4818 | ||
f9a1ce31 | 4819 | //============================================================================= |
4820 | Double_t AliGenMUONlib::PtPionPos2010PP(const Double_t *px, const Double_t* /*dummy*/) | |
4821 | { | |
4822 | // Pos pion | |
4823 | const Double_t par[3] = {2.27501, 0.116141, 5.59591}; | |
4824 | Double_t pt = px[0]; | |
4825 | Double_t m0 = TDatabasePDG::Instance()->GetParticle(211)->Mass(); | |
4826 | Double_t mt = TMath::Sqrt(m0*m0 + pt*pt); | |
4827 | Double_t nc = par[1]*par[2]; | |
4828 | Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0); | |
4829 | Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]); | |
4830 | Double_t fn = par[0] * pt * t1 * t2; | |
4831 | return fn; | |
4832 | } | |
4833 | ||
4834 | //============================================================================= | |
4835 | Double_t AliGenMUONlib::PtPionNeg2010PP(const Double_t *px, const Double_t* /*dummy*/) | |
4836 | { | |
4837 | // Neg pion | |
4838 | const Double_t par[3] = {2.25188, 0.12176, 5.91166}; | |
4839 | Double_t pt = px[0]; | |
4840 | Double_t m0 = TDatabasePDG::Instance()->GetParticle(211)->Mass(); | |
4841 | Double_t mt = TMath::Sqrt(m0*m0 + pt*pt); | |
4842 | Double_t nc = par[1]*par[2]; | |
4843 | Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0); | |
4844 | Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]); | |
4845 | Double_t fn = par[0] * pt * t1 * t2; | |
4846 | return fn; | |
4847 | } | |
4848 | ||
4849 | //============================================================================= | |
4850 | Double_t AliGenMUONlib::PtKaonPos2010PP(const Double_t *px, const Double_t* /*dummy*/) | |
4851 | { | |
4852 | // Pos kaons | |
4853 | const Double_t par[3] = {0.279386, 0.195466, 6.59587}; | |
4854 | Double_t pt = px[0]; | |
4855 | Double_t m0 = TDatabasePDG::Instance()->GetParticle(321)->Mass(); | |
4856 | Double_t mt = TMath::Sqrt(m0*m0 + pt*pt); | |
4857 | Double_t nc = par[1]*par[2]; | |
4858 | Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0); | |
4859 | Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]); | |
4860 | Double_t fn = par[0] * pt * t1 * t2; | |
4861 | return fn; | |
4862 | } | |
4863 | ||
4864 | //============================================================================= | |
4865 | Double_t AliGenMUONlib::PtKaonNeg2010PP(const Double_t *px, const Double_t* /*dummy*/) | |
4866 | { | |
4867 | // Neg kaons | |
4868 | const Double_t par[3] = {0.278927, 0.189049, 6.43006}; | |
4869 | Double_t pt = px[0]; | |
4870 | Double_t m0 = TDatabasePDG::Instance()->GetParticle(321)->Mass(); | |
4871 | Double_t mt = TMath::Sqrt(m0*m0 + pt*pt); | |
4872 | Double_t nc = par[1]*par[2]; | |
4873 | Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0); | |
4874 | Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]); | |
4875 | Double_t fn = par[0] * pt * t1 * t2; | |
4876 | return fn; | |
4877 | } | |
4878 | ||
4879 | //============================================================================= | |
4880 | Double_t AliGenMUONlib::YKaonPion2010PP(const Double_t *px, const Double_t* /*dummy*/) | |
4881 | { | |
4882 | // pions and kaons | |
4883 | Double_t y = px[0]; | |
4884 | Double_t sigma = 2.35; | |
4885 | Double_t kernal = y/2./sigma; | |
4886 | Double_t fxn = TMath::Exp(-1.*kernal*kernal); | |
4887 | return fxn; | |
4888 | } | |
753690b0 | 4889 | |
f9a1ce31 | 4890 | //============================================================================= |
4891 | Int_t AliGenMUONlib::IpPionPos(TRandom *) | |
4892 | { | |
4893 | // Pos pions | |
4894 | return 211; | |
4895 | } | |
4896 | ||
4897 | //============================================================================= | |
4898 | Int_t AliGenMUONlib::IpPionNeg(TRandom *) | |
4899 | { | |
4900 | // Neg pions | |
4901 | return -211; | |
4902 | } | |
4903 | ||
4904 | //============================================================================= | |
4905 | Int_t AliGenMUONlib::IpKaonPos(TRandom *) | |
4906 | { | |
4907 | // pos Kaons | |
4908 | return 321; | |
4909 | } | |
4910 | ||
4911 | //============================================================================= | |
4912 | Int_t AliGenMUONlib::IpKaonNeg(TRandom *) | |
4913 | { | |
4914 | // neg Kaons | |
4915 | return -321; | |
4bac9bd3 | 4916 | } |