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886b6f73 | 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 | /* $Id$ */ |
886b6f73 | 17 | |
18 | //====================================================================== | |
19 | // AliGenPHOSlib class contains parameterizations of the | |
20 | // pion, kaon, eta, omega, etaprime, phi and baryon (proton, | |
21 | // antiproton, neutron and anti-neutron) particles for the | |
22 | // study of the neutral background in PHOS detector. | |
23 | // These parameterizations are used by the | |
24 | // AliGenParam class: | |
25 | // AliGenParam(npar, param, AliGenPHOSlib::GetPt(param), | |
26 | // AliGenPHOSlib::GetY(param), | |
27 | // AliGenPHOSlib::GetIp(param) ) | |
28 | // param represents the particle to be simulated : | |
29 | // Pion, Kaon, Eta, Omega, Etaprime, Phi or Baryon | |
30 | // Pt distributions are calculated from the transverse mass scaling | |
9ae59e17 | 31 | // with Pions, using the PtScal function taken from AliGenMUONlib |
886b6f73 | 32 | // version aliroot 3.01 |
33 | // | |
9ae59e17 | 34 | // Gines MARTINEZ. Laurent APHECETCHE and Yves SCHUTZ |
35 | // GPS @ SUBATECH, Nantes , France (October 1999) | |
886b6f73 | 36 | // http://www-subatech.in2p3.fr/~photons/subatech |
37 | // martinez@subatech.in2p3.fr | |
35ead6c1 | 38 | // Additional particle species simulation options has been added: |
39 | // Charged Pion, Charged Kaons, KLong Proton, Anti-Proton, Neutron, | |
40 | // Anti-Neutron --> Changes made by Gustavo Conesa in November 2004 | |
8fc6910b | 41 | // Add flat Omega(782) distribution in Nov. 2010 by Renzhuo WAN |
886b6f73 | 42 | //====================================================================== |
43 | ||
65fb704d | 44 | #include "TMath.h" |
45 | #include "TRandom.h" | |
46 | ||
886b6f73 | 47 | #include "AliGenPHOSlib.h" |
886b6f73 | 48 | |
49 | ClassImp(AliGenPHOSlib) | |
50 | ||
51 | //====================================================================== | |
52 | // P I O N S | |
53 | // (From GetPt, GetY and GetIp as param = Pion) | |
54 | // Transverse momentum distribution" PtPion | |
55 | // Rapidity distribution YPion | |
56 | // Particle distribution IdPion 111, 211 and -211 (pi0, pi+ and pi-) | |
57 | // | |
75e0cc59 | 58 | Double_t AliGenPHOSlib::PtPion(const Double_t *px, const Double_t *) |
886b6f73 | 59 | { |
60 | // Pion transverse momentum distribtuion taken | |
9ae59e17 | 61 | // from AliGenMUONlib class, version 3.01 of aliroot |
886b6f73 | 62 | // PT-PARAMETERIZATION CDF, PRL 61(88) 1819 |
63 | // POWER LAW FOR PT > 500 MEV | |
64 | // MT SCALING BELOW (T=160 MEV) | |
65 | // | |
f87cfe57 | 66 | const Double_t kp0 = 1.3; |
67 | const Double_t kxn = 8.28; | |
68 | const Double_t kxlim=0.5; | |
69 | const Double_t kt=0.160; | |
70 | const Double_t kxmpi=0.139; | |
71 | const Double_t kb=1.; | |
72 | Double_t y, y1, kxmpi2, ynorm, a; | |
886b6f73 | 73 | Double_t x=*px; |
74 | // | |
f87cfe57 | 75 | y1=TMath::Power(kp0/(kp0+kxlim),kxn); |
76 | kxmpi2=kxmpi*kxmpi; | |
77 | ynorm=kb*(TMath::Exp(-sqrt(kxlim*kxlim+kxmpi2)/kt)); | |
886b6f73 | 78 | a=ynorm/y1; |
f87cfe57 | 79 | if (x > kxlim) |
80 | y=a*TMath::Power(kp0/(kp0+x),kxn); | |
886b6f73 | 81 | else |
f87cfe57 | 82 | y=kb*TMath::Exp(-sqrt(x*x+kxmpi2)/kt); |
886b6f73 | 83 | return y*x; |
84 | } | |
75e0cc59 | 85 | Double_t AliGenPHOSlib::YPion( const Double_t *py, const Double_t *) |
886b6f73 | 86 | { |
f87cfe57 | 87 | // |
88 | // pion y-distribution | |
89 | // | |
90 | ||
91 | const Double_t ka = 7000.; | |
92 | const Double_t kdy = 4.; | |
886b6f73 | 93 | |
94 | Double_t y=TMath::Abs(*py); | |
95 | // | |
f87cfe57 | 96 | Double_t ex = y*y/(2*kdy*kdy); |
97 | return ka*TMath::Exp(-ex); | |
886b6f73 | 98 | } |
f87cfe57 | 99 | |
65fb704d | 100 | Int_t AliGenPHOSlib::IpPion(TRandom *ran) |
886b6f73 | 101 | { |
f87cfe57 | 102 | // particle composition pi+, pi0, pi- |
103 | // | |
104 | ||
886b6f73 | 105 | return 111 ; |
886b6f73 | 106 | } |
35ead6c1 | 107 | Int_t AliGenPHOSlib::IpChargedPion(TRandom *ran) |
108 | { | |
109 | // particle composition pi+, pi0, pi- | |
110 | // | |
111 | ||
112 | Float_t random = ran->Rndm(); | |
113 | ||
114 | if ( (2.*random) < 1. ) | |
115 | { | |
116 | return 211 ; | |
117 | } | |
118 | else | |
119 | { | |
120 | return -211 ; | |
121 | } | |
122 | } | |
74c62c73 | 123 | |
124 | //End Pions | |
125 | //====================================================================== | |
126 | // Pi 0 Flat Distribution | |
127 | // Transverse momentum distribution PtPi0Flat | |
128 | // Rapidity distribution YPi0Flat | |
129 | // Particle distribution IdPi0Flat 111 (pi0) | |
130 | // | |
131 | ||
75e0cc59 | 132 | Double_t AliGenPHOSlib::PtPi0Flat(const Double_t */*px*/, const Double_t *) |
74c62c73 | 133 | { |
134 | // Pion transverse momentum flat distribution | |
135 | ||
136 | return 1; | |
137 | ||
138 | } | |
139 | ||
75e0cc59 | 140 | Double_t AliGenPHOSlib::YPi0Flat( const Double_t */*py*/, const Double_t *) |
74c62c73 | 141 | { |
142 | ||
143 | // pion y-distribution | |
144 | // | |
145 | return 1.; | |
146 | } | |
147 | ||
148 | Int_t AliGenPHOSlib::IpPi0Flat(TRandom *) | |
149 | { | |
150 | ||
151 | // particle composition pi0 | |
152 | // | |
153 | return 111 ; | |
154 | } | |
155 | // End Pi0Flat | |
886b6f73 | 156 | //============================================================= |
157 | // | |
f87cfe57 | 158 | Double_t AliGenPHOSlib::PtScal(Double_t pt, Int_t np) |
159 | { | |
886b6f73 | 160 | // Mt-scaling |
161 | // Fonction for the calculation of the Pt distribution for a | |
162 | // given particle np, from the pion Pt distribution using the | |
163 | // mt scaling. This function was taken from AliGenMUONlib | |
164 | // aliroot version 3.01, and was extended for baryons | |
165 | // np = 1=>Pions 2=>Kaons 3=>Etas 4=>Omegas 5=>ETA' 6=>PHI | |
166 | // 7=>BARYONS-BARYONBARS | |
f87cfe57 | 167 | |
886b6f73 | 168 | // SCALING EN MASSE PAR RAPPORT A PTPI |
169 | // MASS 1=>PI, 2=>K, 3=>ETA, 4=>OMEGA, 5=>ETA',6=>PHI | |
f87cfe57 | 170 | const Double_t khm[10] = {0.1396, 0.494, 0.547, 0.782, 0.957, 1.02, |
886b6f73 | 171 | // MASS 7=>BARYON-BARYONBAR |
172 | 0.938, 0. , 0., 0.}; | |
173 | // VALUE MESON/PI AT 5 GEV | |
f87cfe57 | 174 | const Double_t kfmax[10]={1., 1., 1., 1., 1., 1., 1., 1., 1., 1.}; |
886b6f73 | 175 | np--; |
f87cfe57 | 176 | Double_t f5=TMath::Power(((sqrt(100.018215)+2.)/(sqrt(100.+khm[np]*khm[np])+2.0)),12.3); |
177 | Double_t kfmax2=f5/kfmax[np]; | |
886b6f73 | 178 | // PIONS |
179 | Double_t ptpion=100.*PtPion(&pt, (Double_t*) 0); | |
180 | Double_t fmtscal=TMath::Power(((sqrt(pt*pt+0.018215)+2.)/ | |
f87cfe57 | 181 | (sqrt(pt*pt+khm[np]*khm[np])+2.0)),12.3)/ kfmax2; |
886b6f73 | 182 | return fmtscal*ptpion; |
74c62c73 | 183 | |
886b6f73 | 184 | } |
185 | // End Scaling | |
186 | //============================================================================ | |
187 | // K A O N S | |
75e0cc59 | 188 | Double_t AliGenPHOSlib::PtKaon( const Double_t *px, const Double_t *) |
886b6f73 | 189 | { |
f87cfe57 | 190 | // kaon |
191 | // pt-distribution | |
192 | //____________________________________________________________ | |
193 | ||
886b6f73 | 194 | return PtScal(*px,2); // 2==> Kaon in the PtScal function |
195 | } | |
196 | ||
75e0cc59 | 197 | Double_t AliGenPHOSlib::YKaon( const Double_t *py, const Double_t *) |
886b6f73 | 198 | { |
f87cfe57 | 199 | // y-distribution |
200 | //____________________________________________________________ | |
201 | ||
202 | const Double_t ka = 1000.; | |
203 | const Double_t kdy = 4.; | |
886b6f73 | 204 | |
205 | ||
206 | Double_t y=TMath::Abs(*py); | |
207 | // | |
f87cfe57 | 208 | Double_t ex = y*y/(2*kdy*kdy); |
209 | return ka*TMath::Exp(-ex); | |
886b6f73 | 210 | } |
211 | ||
65fb704d | 212 | Int_t AliGenPHOSlib::IpKaon(TRandom *ran) |
886b6f73 | 213 | { |
f87cfe57 | 214 | // particle composition |
215 | // | |
216 | ||
65fb704d | 217 | Float_t random = ran->Rndm(); |
218 | Float_t random2 = ran->Rndm(); | |
219 | if (random2 < 0.5) | |
886b6f73 | 220 | { |
65fb704d | 221 | if (random < 0.5) { |
886b6f73 | 222 | return 321; // K+ |
223 | } else { | |
224 | return -321; // K- | |
225 | } | |
226 | } | |
227 | else | |
228 | { | |
65fb704d | 229 | if (random < 0.5) { |
9ae59e17 | 230 | return 130; // K^0 short |
886b6f73 | 231 | } else { |
9ae59e17 | 232 | return 310; // K^0 long |
886b6f73 | 233 | } |
234 | } | |
235 | } | |
35ead6c1 | 236 | |
237 | Int_t AliGenPHOSlib::IpChargedKaon(TRandom *ran) | |
238 | { | |
239 | // particle composition | |
240 | // | |
241 | ||
242 | Float_t random = ran->Rndm(); | |
243 | ||
244 | if (random < 0.5) { | |
245 | return 321; // K+ | |
246 | } else { | |
247 | return -321; // K- | |
248 | } | |
249 | ||
250 | ||
251 | } | |
252 | Int_t AliGenPHOSlib::IpKaon0L(TRandom *) | |
253 | { | |
254 | // particle composition | |
255 | // | |
256 | ||
257 | return 130; // K^0 long | |
258 | } | |
886b6f73 | 259 | // End Kaons |
260 | //============================================================================ | |
261 | //============================================================================ | |
262 | // E T A S | |
75e0cc59 | 263 | Double_t AliGenPHOSlib::PtEta( const Double_t *px, const Double_t *) |
886b6f73 | 264 | { |
f87cfe57 | 265 | // etas |
266 | // pt-distribution | |
267 | //____________________________________________________________ | |
268 | ||
886b6f73 | 269 | return PtScal(*px,3); // 3==> Eta in the PtScal function |
270 | } | |
271 | ||
75e0cc59 | 272 | Double_t AliGenPHOSlib::YEta( const Double_t *py, const Double_t *) |
886b6f73 | 273 | { |
f87cfe57 | 274 | // y-distribution |
275 | //____________________________________________________________ | |
276 | ||
277 | const Double_t ka = 1000.; | |
278 | const Double_t kdy = 4.; | |
886b6f73 | 279 | |
280 | ||
281 | Double_t y=TMath::Abs(*py); | |
282 | // | |
f87cfe57 | 283 | Double_t ex = y*y/(2*kdy*kdy); |
284 | return ka*TMath::Exp(-ex); | |
886b6f73 | 285 | } |
286 | ||
65fb704d | 287 | Int_t AliGenPHOSlib::IpEta(TRandom *) |
886b6f73 | 288 | { |
f87cfe57 | 289 | // particle composition |
290 | // | |
291 | ||
886b6f73 | 292 | return 221; // eta |
293 | } | |
294 | // End Etas | |
74c62c73 | 295 | |
296 | //====================================================================== | |
297 | // Eta Flat Distribution | |
298 | // Transverse momentum distribution PtEtaFlat | |
299 | // Rapidity distribution YEtaFlat | |
300 | // Particle distribution IdEtaFlat 111 (pi0) | |
301 | // | |
302 | ||
75e0cc59 | 303 | Double_t AliGenPHOSlib::PtEtaFlat(const Double_t */*px*/, const Double_t *) |
74c62c73 | 304 | { |
305 | // Eta transverse momentum flat distribution | |
306 | ||
307 | return 1; | |
308 | ||
309 | } | |
310 | ||
75e0cc59 | 311 | Double_t AliGenPHOSlib::YEtaFlat( const Double_t */*py*/, const Double_t *) |
74c62c73 | 312 | { |
313 | // | |
314 | // pion y-distribution | |
315 | // | |
316 | return 1.; | |
317 | } | |
318 | ||
319 | Int_t AliGenPHOSlib::IpEtaFlat(TRandom *) | |
320 | { | |
321 | // | |
322 | // particle composition eta | |
323 | // | |
324 | return 221 ; | |
325 | } | |
35ead6c1 | 326 | // End EtaFlat |
886b6f73 | 327 | //============================================================================ |
328 | //============================================================================ | |
329 | // O M E G A S | |
75e0cc59 | 330 | Double_t AliGenPHOSlib::PtOmega( const Double_t *px, const Double_t *) |
f87cfe57 | 331 | { |
886b6f73 | 332 | // omegas |
333 | // pt-distribution | |
334 | //____________________________________________________________ | |
f87cfe57 | 335 | |
886b6f73 | 336 | return PtScal(*px,4); // 4==> Omega in the PtScal function |
337 | } | |
338 | ||
75e0cc59 | 339 | Double_t AliGenPHOSlib::YOmega( const Double_t *py, const Double_t *) |
886b6f73 | 340 | { |
f87cfe57 | 341 | // y-distribution |
342 | //____________________________________________________________ | |
343 | ||
344 | const Double_t ka = 1000.; | |
345 | const Double_t kdy = 4.; | |
886b6f73 | 346 | |
347 | ||
348 | Double_t y=TMath::Abs(*py); | |
349 | // | |
f87cfe57 | 350 | Double_t ex = y*y/(2*kdy*kdy); |
351 | return ka*TMath::Exp(-ex); | |
886b6f73 | 352 | } |
353 | ||
65fb704d | 354 | Int_t AliGenPHOSlib::IpOmega(TRandom *) |
886b6f73 | 355 | { |
f87cfe57 | 356 | // particle composition |
357 | // | |
358 | ||
886b6f73 | 359 | return 223; // Omega |
360 | } | |
361 | // End Omega | |
362 | //============================================================================ | |
8fc6910b | 363 | //====================================================================== |
364 | // Omega(782) Flat Distribution | |
365 | // Transverse momentum distribution PtOmegaFlat | |
366 | // Rapidity distribution YOmegaFlat | |
367 | // Particle distribution IdOmegaFlat 223(0mega) | |
368 | // | |
369 | ||
370 | Double_t AliGenPHOSlib::PtOmegaFlat(const Double_t */*px*/, const Double_t *) | |
371 | { | |
372 | // omega transverse momentum flat distribution | |
373 | ||
374 | return 1; | |
375 | ||
376 | } | |
377 | ||
378 | Double_t AliGenPHOSlib::YOmegaFlat( const Double_t */*py*/, const Double_t *) | |
379 | { | |
380 | ||
381 | // omega y-distribution | |
382 | // | |
383 | return 1.; | |
384 | } | |
385 | ||
386 | Int_t AliGenPHOSlib::IpOmegaFlat(TRandom *) | |
387 | { | |
388 | ||
389 | // particle composition omega | |
390 | // | |
391 | return 223 ; | |
392 | } | |
393 | // End OmegaFlat | |
394 | ||
395 | ||
886b6f73 | 396 | //============================================================================ |
397 | // E T A P R I M E | |
75e0cc59 | 398 | Double_t AliGenPHOSlib::PtEtaprime( const Double_t *px, const Double_t *) |
f87cfe57 | 399 | { |
886b6f73 | 400 | // etaprime |
401 | // pt-distribution | |
402 | //____________________________________________________________ | |
f87cfe57 | 403 | |
886b6f73 | 404 | return PtScal(*px,5); // 5==> Etaprime in the PtScal function |
405 | } | |
406 | ||
75e0cc59 | 407 | Double_t AliGenPHOSlib::YEtaprime( const Double_t *py, const Double_t *) |
886b6f73 | 408 | { |
f87cfe57 | 409 | // y-distribution |
410 | //____________________________________________________________ | |
411 | ||
412 | const Double_t ka = 1000.; | |
413 | const Double_t kdy = 4.; | |
886b6f73 | 414 | |
415 | ||
416 | Double_t y=TMath::Abs(*py); | |
417 | // | |
f87cfe57 | 418 | Double_t ex = y*y/(2*kdy*kdy); |
419 | return ka*TMath::Exp(-ex); | |
886b6f73 | 420 | } |
421 | ||
65fb704d | 422 | Int_t AliGenPHOSlib::IpEtaprime(TRandom *) |
886b6f73 | 423 | { |
f87cfe57 | 424 | // particle composition |
425 | // | |
426 | ||
886b6f73 | 427 | return 331; // Etaprime |
428 | } | |
429 | // End EtaPrime | |
430 | //=================================================================== | |
431 | //============================================================================ | |
432 | // P H I S | |
75e0cc59 | 433 | Double_t AliGenPHOSlib::PtPhi( const Double_t *px, const Double_t *) |
f87cfe57 | 434 | { |
886b6f73 | 435 | // phi |
436 | // pt-distribution | |
437 | //____________________________________________________________ | |
f87cfe57 | 438 | |
886b6f73 | 439 | return PtScal(*px,6); // 6==> Phi in the PtScal function |
440 | } | |
441 | ||
75e0cc59 | 442 | Double_t AliGenPHOSlib::YPhi( const Double_t *py, const Double_t *) |
886b6f73 | 443 | { |
f87cfe57 | 444 | // y-distribution |
445 | //____________________________________________________________ | |
446 | ||
447 | const Double_t ka = 1000.; | |
448 | const Double_t kdy = 4.; | |
886b6f73 | 449 | |
450 | ||
451 | Double_t y=TMath::Abs(*py); | |
452 | // | |
f87cfe57 | 453 | Double_t ex = y*y/(2*kdy*kdy); |
454 | return ka*TMath::Exp(-ex); | |
886b6f73 | 455 | } |
456 | ||
65fb704d | 457 | Int_t AliGenPHOSlib::IpPhi(TRandom *) |
f87cfe57 | 458 | { |
886b6f73 | 459 | // particle composition |
460 | // | |
f87cfe57 | 461 | |
886b6f73 | 462 | return 333; // Phi |
463 | } | |
464 | // End Phis | |
465 | //=================================================================== | |
466 | //============================================================================ | |
467 | // B A R Y O N S == protons, protonsbar, neutrons, and neutronsbars | |
75e0cc59 | 468 | Double_t AliGenPHOSlib::PtBaryon( const Double_t *px, const Double_t *) |
f87cfe57 | 469 | { |
886b6f73 | 470 | // baryons |
471 | // pt-distribution | |
472 | //____________________________________________________________ | |
f87cfe57 | 473 | |
886b6f73 | 474 | return PtScal(*px,7); // 7==> Baryon in the PtScal function |
475 | } | |
476 | ||
75e0cc59 | 477 | Double_t AliGenPHOSlib::YBaryon( const Double_t *py, const Double_t *) |
886b6f73 | 478 | { |
f87cfe57 | 479 | // y-distribution |
480 | //____________________________________________________________ | |
481 | ||
482 | const Double_t ka = 1000.; | |
483 | const Double_t kdy = 4.; | |
886b6f73 | 484 | |
485 | ||
486 | Double_t y=TMath::Abs(*py); | |
487 | // | |
f87cfe57 | 488 | Double_t ex = y*y/(2*kdy*kdy); |
489 | return ka*TMath::Exp(-ex); | |
886b6f73 | 490 | } |
491 | ||
65fb704d | 492 | Int_t AliGenPHOSlib::IpBaryon(TRandom *ran) |
886b6f73 | 493 | { |
f87cfe57 | 494 | // particle composition |
495 | // | |
496 | ||
65fb704d | 497 | Float_t random = ran->Rndm(); |
498 | Float_t random2 = ran->Rndm(); | |
499 | if (random2 < 0.5) | |
886b6f73 | 500 | { |
65fb704d | 501 | if (random < 0.5) { |
886b6f73 | 502 | return 2212; // p |
503 | } else { | |
504 | return -2212; // pbar | |
505 | } | |
506 | } | |
507 | else | |
508 | { | |
65fb704d | 509 | if (random < 0.5) { |
886b6f73 | 510 | return 2112; // n |
511 | } else { | |
512 | return -2112; // n bar | |
513 | } | |
514 | } | |
35ead6c1 | 515 | } |
516 | ||
517 | Int_t AliGenPHOSlib::IpProton(TRandom *) | |
518 | { | |
519 | // particle composition | |
520 | // | |
521 | return 2212; // p | |
522 | ||
523 | } | |
524 | Int_t AliGenPHOSlib::IpAProton(TRandom *) | |
525 | { | |
526 | // particle composition | |
527 | // | |
528 | return -2212; // p bar | |
529 | ||
530 | } | |
531 | ||
532 | Int_t AliGenPHOSlib::IpNeutron(TRandom *) | |
533 | { | |
534 | // particle composition | |
535 | // | |
536 | return 2112; // n | |
537 | ||
538 | } | |
539 | Int_t AliGenPHOSlib::IpANeutron(TRandom *) | |
540 | { | |
541 | // particle composition | |
542 | // | |
543 | return -2112; // n | |
544 | ||
886b6f73 | 545 | } |
546 | // End Baryons | |
547 | //=================================================================== | |
548 | ||
75e0cc59 | 549 | typedef Double_t (*GenFunc) (const Double_t*, const Double_t*); |
198bb1c7 | 550 | GenFunc AliGenPHOSlib::GetPt(Int_t param, const char* /*tname*/) const |
886b6f73 | 551 | { |
f87cfe57 | 552 | // Return pinter to pT parameterisation |
886b6f73 | 553 | GenFunc func; |
554 | ||
555 | switch (param) | |
35ead6c1 | 556 | { |
557 | case kPion: | |
886b6f73 | 558 | func=PtPion; |
559 | break; | |
35ead6c1 | 560 | case kPi0Flat: |
74c62c73 | 561 | func=PtPi0Flat; |
562 | break; | |
35ead6c1 | 563 | case kKaon: |
886b6f73 | 564 | func=PtKaon; |
565 | break; | |
35ead6c1 | 566 | case kEta: |
886b6f73 | 567 | func=PtEta; |
568 | break; | |
35ead6c1 | 569 | case kEtaFlat: |
74c62c73 | 570 | func=PtEtaFlat; |
571 | break; | |
35ead6c1 | 572 | case kOmega: |
886b6f73 | 573 | func=PtOmega; |
574 | break; | |
8fc6910b | 575 | case kOmegaFlat: |
576 | func=PtOmegaFlat; | |
577 | break; | |
35ead6c1 | 578 | case kEtaPrime: |
886b6f73 | 579 | func=PtEtaprime; |
580 | break; | |
35ead6c1 | 581 | case kBaryon: |
886b6f73 | 582 | func=PtBaryon; |
583 | break; | |
35ead6c1 | 584 | default: |
886b6f73 | 585 | func=0; |
586 | printf("<AliGenPHOSlib::GetPt> unknown parametrisationn"); | |
35ead6c1 | 587 | } |
886b6f73 | 588 | return func; |
589 | } | |
590 | ||
198bb1c7 | 591 | GenFunc AliGenPHOSlib::GetY(Int_t param, const char* /*tname*/) const |
886b6f73 | 592 | { |
35ead6c1 | 593 | // Return pointer to Y parameterisation |
594 | GenFunc func; | |
595 | switch (param) | |
886b6f73 | 596 | { |
34f60c01 | 597 | case kPion: |
35ead6c1 | 598 | func=YPion; |
599 | break; | |
74c62c73 | 600 | case kPi0Flat: |
35ead6c1 | 601 | func=YPi0Flat; |
602 | break; | |
34f60c01 | 603 | case kKaon: |
35ead6c1 | 604 | func=YKaon; |
605 | break; | |
34f60c01 | 606 | case kEta: |
35ead6c1 | 607 | func=YEta; |
608 | break; | |
609 | case kEtaFlat: | |
610 | func=YEtaFlat; | |
611 | break; | |
34f60c01 | 612 | case kOmega: |
35ead6c1 | 613 | func=YOmega; |
614 | break; | |
8fc6910b | 615 | case kOmegaFlat: |
616 | func=YOmegaFlat; | |
617 | break; | |
34f60c01 | 618 | case kEtaPrime: |
35ead6c1 | 619 | func=YEtaprime; |
620 | break; | |
34f60c01 | 621 | case kPhi: |
35ead6c1 | 622 | func=YPhi; |
623 | break; | |
34f60c01 | 624 | case kBaryon: |
35ead6c1 | 625 | func=YBaryon; |
626 | break; | |
886b6f73 | 627 | default: |
35ead6c1 | 628 | func=0; |
629 | printf("<AliGenPHOSlib::GetY> unknown parametrisationn"); | |
886b6f73 | 630 | } |
35ead6c1 | 631 | return func; |
886b6f73 | 632 | } |
65fb704d | 633 | typedef Int_t (*GenFuncIp) (TRandom *); |
198bb1c7 | 634 | GenFuncIp AliGenPHOSlib::GetIp(Int_t param, const char* /*tname*/) const |
886b6f73 | 635 | { |
35ead6c1 | 636 | // Return pointer to particle composition |
637 | GenFuncIp func; | |
638 | switch (param) | |
886b6f73 | 639 | { |
74c62c73 | 640 | case kPion: |
35ead6c1 | 641 | func=IpPion; |
642 | break; | |
643 | case kChargedPion: | |
644 | func=IpChargedPion; | |
645 | break; | |
74c62c73 | 646 | case kPi0Flat: |
35ead6c1 | 647 | func=IpPi0Flat; |
648 | break; | |
34f60c01 | 649 | case kKaon: |
35ead6c1 | 650 | func=IpKaon; |
651 | break; | |
652 | case kChargedKaon: | |
653 | func=IpChargedKaon; | |
654 | break; | |
655 | case kKaon0L: | |
656 | func=IpKaon0L; | |
657 | break; | |
34f60c01 | 658 | case kEta: |
35ead6c1 | 659 | func=IpEta; |
660 | break; | |
74c62c73 | 661 | case kEtaFlat: |
35ead6c1 | 662 | func=IpEtaFlat; |
663 | break; | |
664 | ||
34f60c01 | 665 | case kOmega: |
35ead6c1 | 666 | func=IpOmega; |
667 | break; | |
8fc6910b | 668 | case kOmegaFlat: |
669 | func=IpOmegaFlat; | |
670 | break; | |
34f60c01 | 671 | case kEtaPrime: |
35ead6c1 | 672 | func=IpEtaprime; |
673 | break; | |
34f60c01 | 674 | case kPhi: |
35ead6c1 | 675 | func=IpPhi; |
676 | break; | |
34f60c01 | 677 | case kBaryon: |
35ead6c1 | 678 | func=IpBaryon; |
679 | break; | |
680 | case kProton: | |
681 | func=IpProton; | |
682 | break; | |
683 | case kAProton: | |
684 | func=IpAProton; | |
685 | break; | |
686 | case kNeutron: | |
687 | func=IpNeutron; | |
688 | break; | |
689 | case kANeutron: | |
690 | func=IpANeutron; | |
691 | break; | |
692 | ||
886b6f73 | 693 | default: |
35ead6c1 | 694 | func=0; |
695 | printf("<AliGenPHOSlib::GetIp> unknown parametrisationn"); | |
886b6f73 | 696 | } |
35ead6c1 | 697 | return func; |
886b6f73 | 698 | } |
699 |