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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
70ClassImp(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//__________________________________________________________
88void 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//________________________________________________________
186TArrayD 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//________________________________________________________
240Double_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//_______________________________________________________
267Double_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//_______________________________________________________
284Double_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//_______________________________________________________
296Double_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//_______________________________________________________
318Double_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//_______________________________________________________
341Double_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//_______________________________________________________
363Double_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//_______________________________________________________
380void 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//_______________________________________________________
403void 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//_______________________________________________________
555void 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}