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0c5b726e | 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 | ||
16 | /* $Id: AliEMCALPIDUtils.cxx 33808 2009-07-15 09:48:08Z gconesab $ */ | |
17 | ||
18 | // Compute PID weights for all the clusters that are in AliESDs.root file | |
19 | // the AliESDs.root have to be in the same directory as the class | |
20 | // | |
21 | // and do: | |
22 | // AliEMCALPIDUtils *pid = new AliEMCALPIDUtils(); | |
23 | // pid->SetPrintInfo(kTRUE); | |
24 | // pid->SetHighFluxParam(); // pid->SetLowFluxParam(); | |
25 | // | |
26 | // then in cluster loop do | |
27 | // pid->ComputePID(energy, lambda0); | |
28 | // | |
29 | // Compute PID Weight for all clusters in AliESDs.root file | |
30 | // keep this function for the moment for a simple verification, could be removed | |
31 | // | |
32 | // pid->GetPIDFinal(idx) gives the probabilities | |
33 | // | |
34 | // Double_t PIDFinal[AliPID::kSPECIESN] is the standard PID for : | |
35 | // | |
36 | // kElectron : fPIDFinal[0] | |
37 | // kMuon : fPIDFinal[1] | |
53e430a3 | 38 | // kPion : fPIDFinal[2] |
39 | // kKaon : fPIDFinal[3] | |
0c5b726e | 40 | // kProton : fPIDFinal[4] |
41 | // kPhoton : fPIDFinal[5] | |
53e430a3 | 42 | // kPi0 : fPIDFinal[6] |
0c5b726e | 43 | // kNeutron : fPIDFinal[7] |
44 | // kKaon0 : fPIDFinal[8] | |
45 | // kEleCon : fPIDFinal[9] | |
46 | // kUnknown : fPIDFinal[10] | |
47 | // | |
48 | // | |
49 | // PID[3] is a simple PID for | |
50 | // Electron & Photon PID[0] | |
51 | // Pi0 PID[1] | |
52 | // Hadron PID[2] | |
53 | // | |
54 | // Author: Genole Bourdaud 2007 (SUBATECH) | |
55 | // Marie Germain 07/2009 (SUBATECH), new parametrization for low and high flux environment | |
56 | // Gustavo Conesa 08/2009 (LNF), divide class in AliEMCALPID and AliEMCALPIDUtils, PIDUtils belong to library EMCALUtils | |
57 | // --- standard c --- | |
58 | ||
59 | // standard C++ includes | |
60 | //#include <Riostream.h> | |
61 | ||
62 | // ROOT includes | |
63 | #include "TMath.h" | |
64 | #include "TArrayD.h" | |
65 | ||
66 | // STEER includes | |
67 | #include "AliEMCALPIDUtils.h" | |
68 | #include "AliLog.h" | |
69 | ||
70 | ClassImp(AliEMCALPIDUtils) | |
71 | ||
72 | //______________________________________________ | |
73 | AliEMCALPIDUtils::AliEMCALPIDUtils(): | |
74 | fPrintInfo(kFALSE), fProbGamma(0.),fProbPiZero(0.),fProbHadron(0.), fWeightHadronEnergy(1.), fWeightGammaEnergy(1.),fWeightPiZeroEnergy(1.) | |
75 | { | |
76 | // | |
77 | // Constructor. | |
78 | // Initialize all constant values which have to be used | |
79 | // during PID algorithm execution | |
80 | // | |
81 | ||
82 | InitParameters(); | |
83 | ||
84 | ||
85 | } | |
86 | ||
87 | //__________________________________________________________ | |
88 | void AliEMCALPIDUtils::ComputePID(Double_t energy, Double_t lambda0) | |
89 | { | |
90 | // | |
91 | // This is the main command, which uses the distributions computed and parametrised, | |
92 | // and gives the PID by the bayesian method. | |
93 | // | |
94 | ||
95 | Double_t weightGammaEnergy = DistEnergy(energy, 1); | |
96 | Double_t weightPiZeroEnergy = DistEnergy(energy, 2); | |
97 | Double_t weightHadronEnergy = DistEnergy(energy, 3); | |
98 | ||
99 | Double_t energyhadron=energy; | |
100 | if(energyhadron<1.)energyhadron=1.; // no energy dependance of parametrisation for hadrons below 1 GeV | |
101 | if (energy<2){energy =2;} // no energy dependance of parametrisation for gamma and pi0 below 2 GeV | |
102 | ||
103 | if (energy>55){ | |
104 | energy =55.; | |
105 | energyhadron=55.; | |
106 | } // same parametrisation for gamma and hadrons above 55 GeV | |
107 | // for the pi0 above 55GeV the 2 gammas supperposed no way to distinguish from real gamma PIDWeight[1]=0 | |
108 | ||
109 | TArrayD paramDistribGamma = DistLambda0(energy, 1); | |
110 | TArrayD paramDistribPiZero = DistLambda0(energy, 2); | |
111 | TArrayD paramDistribHadron = DistLambda0(energyhadron, 3); | |
112 | ||
113 | Bool_t norm = kFALSE; | |
114 | ||
115 | ||
116 | fProbGamma = TMath::Gaus(lambda0, paramDistribGamma[1], paramDistribGamma[2], norm) * paramDistribGamma[0]; | |
117 | fProbGamma += TMath::Landau(((1-paramDistribGamma[4])-lambda0),paramDistribGamma[4],paramDistribGamma[5],norm)* paramDistribGamma[3]; | |
118 | if(fProbGamma<0.)fProbGamma=0.; | |
119 | ||
120 | fProbGamma = fProbGamma*weightGammaEnergy; | |
121 | ||
122 | if(energy>10. || energy < 55.){ | |
123 | fProbPiZero = TMath::Gaus(lambda0, paramDistribPiZero[1], paramDistribPiZero[2], norm) * paramDistribPiZero[0]; | |
124 | fProbPiZero += TMath::Landau(lambda0, paramDistribPiZero[4], paramDistribPiZero[5], norm) * paramDistribPiZero[3]; | |
125 | if(fProbPiZero<0. || energy<5.)fProbPiZero=0.; | |
126 | fProbPiZero = fProbPiZero*weightPiZeroEnergy; | |
127 | } | |
128 | else { | |
129 | fProbPiZero = 0.; | |
130 | } | |
131 | ||
132 | fProbHadron = TMath::Gaus(lambda0, paramDistribHadron[1], paramDistribHadron[2], norm) * paramDistribHadron[0]; | |
133 | fProbHadron += TMath::Landau(lambda0, paramDistribHadron[4], paramDistribHadron[5], norm) * paramDistribHadron[3]; | |
134 | if(fProbHadron<0.)fProbHadron=0.; | |
135 | fProbHadron = fProbHadron*weightHadronEnergy; // to take into account the probability for a hadron to have a given reconstructed energy | |
136 | ||
137 | // compute PID Weight | |
138 | if( (fProbGamma + fProbPiZero + fProbHadron)>0.){ | |
139 | fPIDWeight[0] = fProbGamma / (fProbGamma + fProbPiZero + fProbHadron); | |
140 | fPIDWeight[1] = fProbPiZero / (fProbGamma+fProbPiZero+fProbHadron); | |
141 | fPIDWeight[2] = fProbHadron / (fProbGamma+fProbPiZero+fProbHadron); | |
142 | } | |
143 | else{ | |
144 | // cases where energy and lambda0 large, probably du to 2 clusters folded the clusters PID not assigned to hadron nor Pi0 nor gammas | |
145 | fPIDWeight[0] = 0.; | |
146 | fPIDWeight[1] = 0.; | |
147 | fPIDWeight[2] = 0.; | |
148 | } | |
149 | ||
150 | ||
151 | // cout << " PID[0] "<< fPIDWeight[0] << " PID[1] "<< fPIDWeight[1] << " PID[2] "<< fPIDWeight[2] << endl; | |
152 | ||
153 | SetPID(fPIDWeight[0], 0); | |
154 | SetPID(fPIDWeight[1], 1); | |
155 | SetPID(fPIDWeight[2], 2); | |
156 | ||
157 | // print pid Weight only for control | |
158 | if (fPrintInfo) { | |
159 | AliInfo(Form( "Energy in loop = %f", energy) ); | |
160 | AliInfo(Form( "Lambda0 in loop = %f", lambda0) ); | |
161 | AliInfo(Form( "fProbGamma in loop = %f", fProbGamma) ); | |
162 | AliInfo(Form( "fProbaPiZero = %f", fProbPiZero )); | |
163 | AliInfo(Form( "fProbaHadron = %f", fProbHadron) ); | |
164 | AliInfo(Form( "PIDWeight in loop = %f ||| %f ||| %f", fPIDWeight[0] , fPIDWeight[1], fPIDWeight[2]) ); | |
165 | AliInfo("********************************************************" ); | |
166 | } | |
167 | ||
168 | fPIDFinal[0] = fPIDWeight[0]/2; // photon | |
169 | fPIDFinal[1] = fPIDWeight[2]/8; | |
170 | fPIDFinal[2] = fPIDWeight[2]/8; | |
171 | fPIDFinal[3] = fPIDWeight[2]/8; | |
172 | fPIDFinal[4] = fPIDWeight[2]/8; | |
173 | fPIDFinal[5] = fPIDWeight[0]/2; // electron | |
174 | fPIDFinal[6] = fPIDWeight[1] ; // Pi0 | |
175 | fPIDFinal[7] = fPIDWeight[2]/8; | |
176 | fPIDFinal[8] = fPIDWeight[2]/8; | |
177 | fPIDFinal[9] = fPIDWeight[2]/8; | |
178 | fPIDFinal[10] = fPIDWeight[2]/8; | |
179 | ||
180 | } | |
181 | ||
182 | ||
183 | ||
184 | ||
185 | //________________________________________________________ | |
186 | TArrayD AliEMCALPIDUtils::DistLambda0(const Double_t energy, const Int_t type) | |
187 | { | |
188 | // | |
189 | // Compute the values of the parametrised distributions using the data initialised before. | |
190 | // | |
191 | Double_t constGauss = 0., meanGauss = 0., sigmaGauss = 0.; | |
192 | Double_t constLandau=0., mpvLandau=0., sigmaLandau=0.; | |
193 | TArrayD distributionParam(6); | |
194 | ||
195 | switch (type) { | |
196 | ||
197 | case 1: | |
198 | ||
199 | constGauss = PolynomialMixed2(energy, fGamma[0]); | |
200 | meanGauss = PolynomialMixed2(energy, fGamma[1]); | |
201 | sigmaGauss = PolynomialMixed2(energy, fGamma[2]); | |
202 | constLandau = PolynomialMixed2(energy, fGamma[3]); | |
203 | mpvLandau = PolynomialMixed2(energy, fGamma[4]); | |
204 | sigmaLandau = PolynomialMixed2(energy, fGamma[5]); | |
205 | break; | |
206 | ||
207 | case 2: | |
208 | ||
209 | constGauss = PolynomialMixed2(energy, fPiZero[0]); | |
210 | meanGauss = PolynomialMixed2(energy, fPiZero[1]); | |
211 | sigmaGauss = PolynomialMixed2(energy, fPiZero[2]); | |
212 | constLandau = PolynomialMixed2(energy, fPiZero[3]); | |
213 | mpvLandau = PolynomialMixed2(energy, fPiZero[4]); | |
214 | sigmaLandau = PolynomialMixed2(energy, fPiZero[5]); | |
215 | ||
216 | break; | |
217 | case 3: | |
218 | ||
219 | constGauss = PolynomialMixed2(energy, fHadron[0]); | |
220 | meanGauss = PolynomialMixed2(energy, fHadron[1]); | |
221 | sigmaGauss = PolynomialMixed2(energy, fHadron[2]); | |
222 | constLandau = PolynomialMixed2(energy, fHadron[3]); | |
223 | mpvLandau = PolynomialMixed2(energy, fHadron[4]); | |
224 | sigmaLandau = PolynomialMixed2(energy, fHadron[5]); | |
225 | ||
226 | break; | |
227 | } | |
228 | ||
229 | distributionParam[0] = constGauss; | |
230 | distributionParam[1] = meanGauss; | |
231 | distributionParam[2] = sigmaGauss; | |
232 | distributionParam[3] = constLandau; | |
233 | distributionParam[4] = mpvLandau; | |
234 | distributionParam[5] = sigmaLandau; | |
235 | ||
236 | return distributionParam; | |
237 | } | |
238 | ||
239 | //________________________________________________________ | |
240 | Double_t AliEMCALPIDUtils::DistEnergy(const Double_t energy, const Int_t type) | |
241 | { | |
242 | // | |
243 | // Compute the values of the weigh for a given energy the parametrised distribution using the data initialised before. | |
244 | // | |
245 | Double_t constante = 0.; | |
0c5b726e | 246 | |
247 | switch (type) { | |
248 | ||
249 | case 1: | |
250 | constante = 1.; | |
251 | break; | |
252 | case 2: | |
53e430a3 | 253 | constante = 1.; |
0c5b726e | 254 | break; |
255 | case 3: | |
256 | constante = PowerExp(energy, fHadronEnergyProb); | |
257 | break; | |
258 | } | |
259 | ||
53e430a3 | 260 | // cout << "Weight " << constante << " for energy "<< energy<< " GeV "<< endl; |
0c5b726e | 261 | |
53e430a3 | 262 | return constante; |
0c5b726e | 263 | } |
264 | ||
265 | ||
266 | //_______________________________________________________ | |
267 | Double_t AliEMCALPIDUtils::Polynomial(const Double_t x, const Double_t *params) const | |
268 | { | |
269 | // | |
270 | // Compute a polynomial for a given value of 'x' | |
271 | // with the array of parameters passed as the second arg | |
272 | // | |
273 | ||
53e430a3 | 274 | Double_t y = params[0]; |
0c5b726e | 275 | y += params[1] * x; |
276 | y += params[2] * x * x; | |
277 | y += params[3] * x * x * x; | |
278 | y += params[4] * x * x * x * x; | |
279 | y += params[5] * x * x * x * x * x; | |
280 | ||
281 | return y; | |
282 | } | |
283 | //_______________________________________________________ | |
284 | Double_t AliEMCALPIDUtils::Polynomial0(const Double_t *params) const | |
285 | { | |
286 | // | |
287 | // Compute a polynomial for a given value of 'x' | |
288 | // with the array of parameters passed as the second arg | |
289 | // | |
290 | ||
53e430a3 | 291 | Double_t y = params[0]; |
0c5b726e | 292 | return y; |
293 | } | |
294 | ||
295 | //_______________________________________________________ | |
296 | Double_t AliEMCALPIDUtils::Polynomialinv(const Double_t x, const Double_t *params) const | |
297 | { | |
298 | // | |
299 | // Compute a polynomial for a given value of 'x' | |
300 | // with the array of parameters passed as the second arg | |
301 | // | |
302 | ||
53e430a3 | 303 | Double_t y=0.; |
304 | ||
0c5b726e | 305 | if(x>0){ |
53e430a3 | 306 | y = params[0]; |
307 | y += params[1] / x; | |
308 | y += params[2] / (x * x); | |
309 | y += params[3] / (x * x * x); | |
310 | y += params[4] / (x * x * x * x); | |
311 | y += params[5] / (x * x * x * x * x); | |
0c5b726e | 312 | } |
53e430a3 | 313 | |
0c5b726e | 314 | return y; |
315 | ||
316 | } | |
317 | //_______________________________________________________ | |
318 | Double_t AliEMCALPIDUtils::PolynomialMixed1(const Double_t x, const Double_t *params) const | |
319 | { | |
320 | // | |
321 | // Compute a polynomial for a given value of 'x' | |
322 | // with the array of parameters passed as the second arg | |
323 | // | |
324 | ||
53e430a3 | 325 | Double_t y=0.; |
0c5b726e | 326 | if(x>0){ |
327 | y = params[0] / x; | |
328 | y += params[1] ; | |
329 | y += params[2] * x ; | |
330 | // y += params[3] * 0.; | |
331 | // y += params[4] * 0.; | |
332 | // y += params[5] * 0.; | |
333 | } | |
53e430a3 | 334 | |
0c5b726e | 335 | |
336 | return y; | |
337 | ||
338 | } | |
339 | ||
340 | //_______________________________________________________ | |
341 | Double_t AliEMCALPIDUtils::PolynomialMixed2(const Double_t x, const Double_t *params) const | |
342 | { | |
343 | // | |
344 | // Compute a polynomial for a given value of 'x' | |
345 | // with the array of parameters passed as the second arg | |
346 | // | |
347 | ||
53e430a3 | 348 | Double_t y=0.; |
0c5b726e | 349 | if(x>0){ |
350 | y = params[0] / ( x * x); | |
351 | y += params[1] / x; | |
352 | y += params[2] ; | |
353 | y += params[3] * x ; | |
354 | y += params[4] * x * x ; | |
355 | // y += params[5] * 0.; | |
356 | } | |
0c5b726e | 357 | |
358 | return y; | |
359 | ||
360 | } | |
361 | ||
362 | //_______________________________________________________ | |
363 | Double_t AliEMCALPIDUtils::PowerExp(const Double_t x, const Double_t *params) const | |
364 | { | |
365 | // | |
366 | // Compute a polynomial for a given value of 'x' | |
367 | // with the array of parameters passed as the second arg | |
368 | // par[0]*TMath::Power(x[0],par[1]) | |
369 | // par[0]*TMath::Exp((x[0]-par[1])*par[2]); | |
370 | ||
53e430a3 | 371 | Double_t y = params[0] *TMath::Power( x,params[1]); |
372 | y += params[2] *TMath::Exp((x-params[3])*params[4]); | |
0c5b726e | 373 | |
374 | return y; | |
375 | ||
376 | } | |
377 | ||
378 | ||
379 | //_______________________________________________________ | |
380 | void AliEMCALPIDUtils::InitParameters() | |
381 | { | |
382 | // Initialize PID parameters, depending on the use or not of the reconstructor | |
383 | // and the kind of event type if the reconstructor is not used. | |
384 | // fWeightHadronEnergy=0.; | |
385 | // fWeightPiZeroEnergy=0.; | |
386 | // fWeightGammaEnergy=0.; | |
387 | ||
388 | fPIDWeight[0] = -1; | |
389 | fPIDWeight[1] = -1; | |
390 | fPIDWeight[2] = -1; | |
391 | ||
392 | for(Int_t i=0; i<AliPID::kSPECIESN+1; i++) | |
393 | fPIDFinal[i]= 0; | |
394 | ||
395 | // init the parameters here instead of from loading from recparam | |
396 | // default parameters are PbPb parameters. | |
397 | SetHighFluxParam(); | |
398 | ||
399 | } | |
400 | ||
401 | ||
402 | //_______________________________________________________ | |
403 | void AliEMCALPIDUtils::SetLowFluxParam() | |
404 | { | |
405 | ||
406 | // as a first step, all array elements are initialized to 0.0 | |
53e430a3 | 407 | Int_t i=0, j=0; |
0c5b726e | 408 | |
409 | for (i = 0; i < 6; i++) { | |
410 | for (j = 0; j < 6; j++) { | |
411 | fGamma[i][j] = fHadron[i][j] = fPiZero[i][j] = 0.; | |
412 | fGamma1to10[i][j] = fHadron1to10[i][j] = 0.; | |
413 | } | |
7e1d9a9b | 414 | //Why we had the next 3 lines? |
415 | //fGammaEnergyProb[i] = fGammaEnergyProb[i]; | |
416 | //fPiZeroEnergyProb[i] = fPiZeroEnergyProb[i]; | |
417 | //fHadronEnergyProb[i] = fHadronEnergyProb[i]; | |
0c5b726e | 418 | } |
419 | ||
420 | // New parameterization for lambda0^2 (=x): f(x) = normLandau*TMath::Landau(x,mpvLandau,widthLandau)+normgaus*TMath::Gaus(x,meangaus,sigmagaus) | |
421 | // See AliEMCALPid (index j) refers to the polynomial parameters of the fit of each parameter vs energy | |
422 | // pp | |
423 | ||
424 | // paramtype[0][j] = norm gauss | |
425 | // paramtype[1][j] = mean gaus | |
426 | // paramtype[2][j] = sigma gaus | |
427 | // paramtype[3][j] = norm landau | |
428 | // paramtype[4][j] = mpv landau | |
429 | // paramtype[5][j] = sigma landau | |
430 | ||
431 | fGamma[0][0] = -7.656908e-01; | |
432 | fGamma[0][1] = 2.352536e-01; | |
433 | fGamma[0][2] = 1.555996e-02; | |
434 | fGamma[0][3] = 2.243525e-04; | |
435 | fGamma[0][4] = -2.560087e-06; | |
436 | ||
437 | fGamma[1][0] = 6.500216e+00; | |
438 | fGamma[1][1] = -2.564958e-01; | |
439 | fGamma[1][2] = 1.967894e-01; | |
440 | fGamma[1][3] = -3.982273e-04; | |
441 | fGamma[1][4] = 2.797737e-06; | |
442 | ||
443 | fGamma[2][0] = 2.416489e+00; | |
444 | fGamma[2][1] = -1.601258e-01; | |
445 | fGamma[2][2] = 3.126839e-02; | |
446 | fGamma[2][3] = 3.387532e-04; | |
447 | fGamma[2][4] = -4.089145e-06; | |
448 | ||
449 | fGamma[3][0] = 0.; | |
450 | fGamma[3][1] = -2.696008e+00; | |
451 | fGamma[3][2] = 6.920305e-01; | |
452 | fGamma[3][3] = -2.281122e-03; | |
453 | fGamma[3][4] = 0.; | |
454 | ||
455 | fGamma[4][0] = 2.281564e-01; | |
456 | fGamma[4][1] = -7.575040e-02; | |
457 | fGamma[4][2] = 3.813423e-01; | |
458 | fGamma[4][3] = -1.243854e-04; | |
459 | fGamma[4][4] = 1.232045e-06; | |
460 | ||
461 | fGamma[5][0] = -3.290107e-01; | |
462 | fGamma[5][1] = 3.707545e-02; | |
463 | fGamma[5][2] = 2.917397e-03; | |
464 | fGamma[5][3] = 4.695306e-05; | |
465 | fGamma[5][4] = -3.572981e-07; | |
466 | ||
467 | fHadron[0][0] = 9.482243e-01; | |
468 | fHadron[0][1] = -2.780896e-01; | |
469 | fHadron[0][2] = 2.223507e-02; | |
470 | fHadron[0][3] = 7.294263e-04; | |
471 | fHadron[0][4] = -5.665872e-06; | |
472 | ||
473 | fHadron[1][0] = 0.; | |
474 | fHadron[1][1] = 0.; | |
475 | fHadron[1][2] = 2.483298e-01; | |
476 | fHadron[1][3] = 0.; | |
477 | fHadron[1][4] = 0.; | |
478 | ||
479 | fHadron[2][0] = -5.601199e+00; | |
480 | fHadron[2][1] = 2.097382e+00; | |
481 | fHadron[2][2] = -2.307965e-01; | |
482 | fHadron[2][3] = 9.206871e-03; | |
483 | fHadron[2][4] = -8.887548e-05; | |
484 | ||
485 | fHadron[3][0] = 6.543101e+00; | |
486 | fHadron[3][1] = -2.305203e+00; | |
487 | fHadron[3][2] = 2.761673e-01; | |
488 | fHadron[3][3] = -5.465855e-03; | |
489 | fHadron[3][4] = 2.784329e-05; | |
490 | ||
491 | fHadron[4][0] = -2.443530e+01; | |
492 | fHadron[4][1] = 8.902578e+00 ; | |
493 | fHadron[4][2] = -5.265901e-01; | |
494 | fHadron[4][3] = 2.549111e-02; | |
495 | fHadron[4][4] = -2.196801e-04; | |
496 | ||
497 | fHadron[5][0] = 2.102007e-01; | |
498 | fHadron[5][1] = -3.844418e-02; | |
499 | fHadron[5][2] = 1.234682e-01; | |
500 | fHadron[5][3] = -3.866733e-03; | |
501 | fHadron[5][4] = 3.362719e-05 ; | |
502 | ||
503 | fPiZero[0][0] = 5.072157e-01; | |
504 | fPiZero[0][1] = -5.352747e-01; | |
505 | fPiZero[0][2] = 8.499259e-02; | |
506 | fPiZero[0][3] = -3.687401e-03; | |
507 | fPiZero[0][4] = 5.482280e-05; | |
508 | ||
509 | fPiZero[1][0] = 4.590137e+02; | |
510 | fPiZero[1][1] = -7.079341e+01; | |
511 | fPiZero[1][2] = 4.990735e+00; | |
512 | fPiZero[1][3] = -1.241302e-01; | |
513 | fPiZero[1][4] = 1.065772e-03; | |
514 | ||
515 | fPiZero[2][0] = 1.376415e+02; | |
516 | fPiZero[2][1] = -3.031577e+01; | |
517 | fPiZero[2][2] = 2.474338e+00; | |
518 | fPiZero[2][3] = -6.903410e-02; | |
519 | fPiZero[2][4] = 6.244089e-04; | |
520 | ||
521 | fPiZero[3][0] = 0.; | |
522 | fPiZero[3][1] = 1.145983e+00; | |
523 | fPiZero[3][2] = -2.476052e-01; | |
524 | fPiZero[3][3] = 1.367373e-02; | |
525 | fPiZero[3][4] = 0.; | |
526 | ||
527 | fPiZero[4][0] = -2.097586e+02; | |
528 | fPiZero[4][1] = 6.300800e+01; | |
529 | fPiZero[4][2] = -4.038906e+00; | |
530 | fPiZero[4][3] = 1.088543e-01; | |
531 | fPiZero[4][4] = -9.362485e-04; | |
532 | ||
533 | fPiZero[5][0] = -1.671477e+01; | |
534 | fPiZero[5][1] = 2.995415e+00; | |
535 | fPiZero[5][2] = -6.040360e-02; | |
536 | fPiZero[5][3] = -6.137459e-04; | |
537 | fPiZero[5][4] = 1.847328e-05; | |
538 | ||
539 | fHadronEnergyProb[0] = 4.767543e-02; | |
540 | fHadronEnergyProb[1] = -1.537523e+00; | |
541 | fHadronEnergyProb[2] = 2.956727e-01; | |
542 | fHadronEnergyProb[3] = -3.051022e+01; | |
543 | fHadronEnergyProb[4] =-6.036931e-02; | |
544 | ||
545 | // Int_t ii= 0; | |
546 | // Int_t jj= 3; | |
547 | // AliDebug(1,Form("PID parameters (%d, %d): fGamma=%.3f, fPi=%.3f, fHadron=%.3f", | |
548 | // ii,jj, fGamma[ii][jj],fPiZero[ii][jj],fHadron[ii][jj] )); | |
549 | ||
550 | // end for proton-proton | |
551 | ||
552 | } | |
553 | ||
554 | //_______________________________________________________ | |
555 | void AliEMCALPIDUtils::SetHighFluxParam() | |
556 | { | |
557 | ||
558 | // as a first step, all array elements are initialized to 0.0 | |
53e430a3 | 559 | Int_t i=0, j=0; |
0c5b726e | 560 | for (i = 0; i < 6; i++) { |
561 | for (j = 0; j < 6; j++) { | |
562 | fGamma[i][j] = fHadron[i][j] = fPiZero[i][j] = 0.; | |
563 | fGamma1to10[i][j] = fHadron1to10[i][j] = 0.; | |
564 | } | |
565 | fGammaEnergyProb[i] = 0.; | |
566 | fPiZeroEnergyProb[i] = 0.; | |
567 | fHadronEnergyProb[i] = 0.; | |
568 | } | |
569 | ||
570 | // Pb Pb this goes with inverted landau + gaussian for gammas, landau+gaussian for Pi0 and hadrons | |
571 | ||
572 | fGamma[0][0] = -7.656908e-01; | |
573 | fGamma[0][1] = 2.352536e-01; | |
574 | fGamma[0][2] = 1.555996e-02; | |
575 | fGamma[0][3] = 2.243525e-04; | |
576 | fGamma[0][4] = -2.560087e-06; | |
577 | ||
578 | fGamma[1][0] = 6.500216e+00; | |
579 | fGamma[1][1] = -2.564958e-01; | |
580 | fGamma[1][2] = 1.967894e-01; | |
581 | fGamma[1][3] = -3.982273e-04; | |
582 | fGamma[1][4] = 2.797737e-06; | |
583 | ||
584 | fGamma[2][0] = 2.416489e+00; | |
585 | fGamma[2][1] = -1.601258e-01; | |
586 | fGamma[2][2] = 3.126839e-02; | |
587 | fGamma[2][3] = 3.387532e-04; | |
588 | fGamma[2][4] = -4.089145e-06; | |
589 | ||
590 | fGamma[3][0] = 0.; | |
591 | fGamma[3][1] = -2.696008e+00; | |
592 | fGamma[3][2] = 6.920305e-01; | |
593 | fGamma[3][3] = -2.281122e-03; | |
594 | fGamma[3][4] = 0.; | |
595 | ||
596 | fGamma[4][0] = 2.281564e-01; | |
597 | fGamma[4][1] = -7.575040e-02; | |
598 | fGamma[4][2] = 3.813423e-01; | |
599 | fGamma[4][3] = -1.243854e-04; | |
600 | fGamma[4][4] = 1.232045e-06; | |
601 | ||
602 | fGamma[5][0] = -3.290107e-01; | |
603 | fGamma[5][1] = 3.707545e-02; | |
604 | fGamma[5][2] = 2.917397e-03; | |
605 | fGamma[5][3] = 4.695306e-05; | |
606 | fGamma[5][4] = -3.572981e-07; | |
607 | ||
608 | fHadron[0][0] = 1.519112e-01; | |
609 | fHadron[0][1] = -8.267603e-02; | |
610 | fHadron[0][2] = 1.914574e-02; | |
611 | fHadron[0][3] = -2.677921e-04; | |
612 | fHadron[0][4] = 5.447939e-06; | |
613 | ||
614 | fHadron[1][0] = 0.; | |
615 | fHadron[1][1] = -7.549870e-02; | |
616 | fHadron[1][2] = 3.930087e-01; | |
617 | fHadron[1][3] = -2.368500e-03; | |
618 | fHadron[1][4] = 0.; | |
619 | ||
620 | fHadron[2][0] = 0.; | |
621 | fHadron[2][1] = -2.463152e-02; | |
622 | fHadron[2][2] = 1.349257e-01; | |
623 | fHadron[2][3] = -1.089440e-03; | |
624 | fHadron[2][4] = 0.; | |
625 | ||
626 | fHadron[3][0] = 0.; | |
627 | fHadron[3][1] = 5.101560e-01; | |
628 | fHadron[3][2] = 1.458679e-01; | |
629 | fHadron[3][3] = 4.903068e-04; | |
630 | fHadron[3][4] = 0.; | |
631 | ||
632 | fHadron[4][0] = 0.; | |
633 | fHadron[4][1] = -6.693943e-03; | |
634 | fHadron[4][2] = 2.444753e-01; | |
635 | fHadron[4][3] = -5.553749e-05; | |
636 | fHadron[4][4] = 0.; | |
637 | ||
638 | fHadron[5][0] = -4.414030e-01; | |
639 | fHadron[5][1] = 2.292277e-01; | |
640 | fHadron[5][2] = -2.433737e-02; | |
641 | fHadron[5][3] = 1.758422e-03; | |
642 | fHadron[5][4] = -3.001493e-05; | |
643 | ||
644 | fPiZero[0][0] = 5.072157e-01; | |
645 | fPiZero[0][1] = -5.352747e-01; | |
646 | fPiZero[0][2] = 8.499259e-02; | |
647 | fPiZero[0][3] = -3.687401e-03; | |
648 | fPiZero[0][4] = 5.482280e-05; | |
649 | ||
650 | fPiZero[1][0] = 4.590137e+02; | |
651 | fPiZero[1][1] = -7.079341e+01; | |
652 | fPiZero[1][2] = 4.990735e+00; | |
653 | fPiZero[1][3] = -1.241302e-01; | |
654 | fPiZero[1][4] = 1.065772e-03; | |
655 | ||
656 | fPiZero[2][0] = 1.376415e+02; | |
657 | fPiZero[2][1] = -3.031577e+01; | |
658 | fPiZero[2][2] = 2.474338e+00; | |
659 | fPiZero[2][3] = -6.903410e-02; | |
660 | fPiZero[2][4] = 6.244089e-04; | |
661 | ||
662 | fPiZero[3][0] = 0.; | |
663 | fPiZero[3][1] = 1.145983e+00; | |
664 | fPiZero[3][2] = -2.476052e-01; | |
665 | fPiZero[3][3] = 1.367373e-02; | |
666 | fPiZero[3][4] = 0.; | |
667 | ||
668 | fPiZero[4][0] = -2.097586e+02; | |
669 | fPiZero[4][1] = 6.300800e+01; | |
670 | fPiZero[4][2] = -4.038906e+00; | |
671 | fPiZero[4][3] = 1.088543e-01; | |
672 | fPiZero[4][4] = -9.362485e-04; | |
673 | ||
674 | fPiZero[5][0] = -1.671477e+01; | |
675 | fPiZero[5][1] = 2.995415e+00; | |
676 | fPiZero[5][2] = -6.040360e-02; | |
677 | fPiZero[5][3] = -6.137459e-04; | |
678 | fPiZero[5][4] = 1.847328e-05; | |
679 | ||
680 | // those are the High Flux PbPb ones | |
681 | fHadronEnergyProb[0] = 0.; | |
682 | fHadronEnergyProb[1] = 0.; | |
683 | fHadronEnergyProb[2] = 6.188452e-02; | |
684 | fHadronEnergyProb[3] = 2.030230e+00; | |
685 | fHadronEnergyProb[4] = -6.402242e-02; | |
686 | ||
687 | // Int_t ii= 0; | |
688 | // Int_t jj= 3; | |
689 | // AliDebug(1,Form("PID parameters (%d, %d): fGamma=%.3f, fPi=%.3f, fHadron=%.3f", | |
690 | // ii,jj, fGamma[ii][jj],fPiZero[ii][jj],fHadron[ii][jj] )); | |
691 | ||
692 | } |