1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 //_________________________________________________________________________
17 // Class to collect two-photon invariant mass distributions for
18 // extracting raw pi0 yield.
19 // Input is produced by AliAnaPhoton (or any other analysis producing output AliAODPWG4Particles),
20 // it will do nothing if executed alone
22 //-- Author: Dmitri Peressounko (RRC "KI")
23 //-- Adapted to CaloTrackCorr frame by Lamia Benhabib (SUBATECH)
24 //-- and Gustavo Conesa (INFN-Frascati)
25 //_________________________________________________________________________
28 // --- ROOT system ---
31 //#include "Riostream.h"
35 #include "TClonesArray.h"
36 #include "TObjString.h"
37 #include "TDatabasePDG.h"
39 //---- AliRoot system ----
40 #include "AliAnaPi0.h"
41 #include "AliCaloTrackReader.h"
42 #include "AliCaloPID.h"
44 #include "AliFiducialCut.h"
45 #include "TParticle.h"
46 #include "AliVEvent.h"
47 #include "AliESDCaloCluster.h"
48 #include "AliESDEvent.h"
49 #include "AliAODEvent.h"
50 #include "AliNeutralMesonSelection.h"
51 #include "AliMixedEvent.h"
52 #include "AliAODMCParticle.h"
55 #include "AliPHOSGeoUtils.h"
56 #include "AliEMCALGeometry.h"
60 //________________________________________________________________________________________________________________________________________________
61 AliAnaPi0::AliAnaPi0() : AliAnaCaloTrackCorrBaseClass(),
62 fDoOwnMix(kFALSE), fEventsList(0x0),
63 fCalorimeter(""), fNModules(12),
64 fUseAngleCut(kFALSE), fUseAngleEDepCut(kFALSE), fAngleCut(0), fAngleMaxCut(7.),
65 fMultiCutAna(kFALSE), fMultiCutAnaSim(kFALSE),
66 fNPtCuts(0), fNAsymCuts(0), fNCellNCuts(0), fNPIDBits(0),
67 fMakeInvPtPlots(kFALSE), fSameSM(kFALSE), fFillSMCombinations(kFALSE), fCheckConversion(kFALSE),
68 fUseTrackMultBins(kFALSE), fUsePhotonMultBins(kFALSE), fUseAverCellEBins(kFALSE), fUseAverClusterEBins(kFALSE),
69 fUseAverClusterEDenBins(0), fFillBadDistHisto(kFALSE), fFillSSCombinations(kFALSE),
70 fFillAngleHisto(kFALSE), fFillAsymmetryHisto(kFALSE),
72 fhAverTotECluster(0), fhAverTotECell(0), fhAverTotECellvsCluster(0),
73 fhEDensityCluster(0), fhEDensityCell(0), fhEDensityCellvsCluster(0),
74 fhReMod(0x0), fhReSameSideEMCALMod(0x0), fhReSameSectorEMCALMod(0x0), fhReDiffPHOSMod(0x0),
75 fhMiMod(0x0), fhMiSameSideEMCALMod(0x0), fhMiSameSectorEMCALMod(0x0), fhMiDiffPHOSMod(0x0),
76 fhReConv(0x0), fhMiConv(0x0), fhReConv2(0x0), fhMiConv2(0x0),
77 fhRe1(0x0), fhMi1(0x0), fhRe2(0x0), fhMi2(0x0),
78 fhRe3(0x0), fhMi3(0x0), fhReInvPt1(0x0), fhMiInvPt1(0x0),
79 fhReInvPt2(0x0), fhMiInvPt2(0x0), fhReInvPt3(0x0), fhMiInvPt3(0x0),
80 fhRePtNCellAsymCuts(0x0), fhMiPtNCellAsymCuts(0x0), fhRePtNCellAsymCutsSM(),
81 fhRePIDBits(0x0), fhRePtMult(0x0), fhReSS(),
82 fhRePtAsym(0x0), fhRePtAsymPi0(0x0), fhRePtAsymEta(0x0),
83 fhEvents(0x0), fhCentrality(0x0), fhCentralityNoPair(0x0),
84 fhEventPlaneAngle(0x0), fhEventPlaneResolution(0x0),
85 fhRealOpeningAngle(0x0), fhRealCosOpeningAngle(0x0), fhMixedOpeningAngle(0x0), fhMixedCosOpeningAngle(0x0),
87 fhPrimPi0Pt(0x0), fhPrimPi0AccPt(0x0), fhPrimPi0Y(0x0), fhPrimPi0AccY(0x0),
88 fhPrimPi0Phi(0x0), fhPrimPi0AccPhi(0x0), fhPrimPi0OpeningAngle(0x0), fhPrimPi0CosOpeningAngle(0x0),
89 fhPrimEtaPt(0x0), fhPrimEtaAccPt(0x0), fhPrimEtaY(0x0), fhPrimEtaAccY(0x0),
90 fhPrimEtaPhi(0x0), fhPrimEtaAccPhi(0x0), fhPrimPi0PtOrigin(0x0), fhPrimEtaPtOrigin(0x0),
91 fhMCOrgMass(), fhMCOrgAsym(), fhMCOrgDeltaEta(), fhMCOrgDeltaPhi(),
92 fhMCPi0MassPtRec(), fhMCPi0MassPtTrue(), fhMCPi0PtTruePtRec(),
93 fhMCEtaMassPtRec(), fhMCEtaMassPtTrue(), fhMCEtaPtTruePtRec(),
94 fhMCPi0PtOrigin(0x0), fhMCEtaPtOrigin(0x0),
95 fhReMCFromConversion(0), fhReMCFromNotConversion(0), fhReMCFromMixConversion(0)
102 //________________________________________________________________________________________________________________________________________________
103 AliAnaPi0::~AliAnaPi0() {
104 // Remove event containers
106 if(fDoOwnMix && fEventsList){
107 for(Int_t ic=0; ic<GetNCentrBin(); ic++){
108 for(Int_t iz=0; iz<GetNZvertBin(); iz++){
109 for(Int_t irp=0; irp<GetNRPBin(); irp++){
110 fEventsList[ic*GetNZvertBin()*GetNRPBin()+iz*GetNRPBin()+irp]->Delete() ;
111 delete fEventsList[ic*GetNZvertBin()*GetNRPBin()+iz*GetNRPBin()+irp] ;
115 delete[] fEventsList;
120 //________________________________________________________________________________________________________________________________________________
121 void AliAnaPi0::InitParameters()
123 //Init parameters when first called the analysis
124 //Set default parameters
125 SetInputAODName("PWG4Particle");
127 AddToHistogramsName("AnaPi0_");
128 fNModules = 12; // set maximum to maximum number of EMCAL modules
130 fCalorimeter = "PHOS";
131 fUseAngleCut = kFALSE;
132 fUseAngleEDepCut = kFALSE;
134 fAngleMaxCut = TMath::Pi();
136 fMultiCutAna = kFALSE;
139 fPtCuts[0] = 0.; fPtCuts[1] = 0.3; fPtCuts[2] = 0.5;
140 for(Int_t i = fNPtCuts; i < 10; i++)fPtCuts[i] = 0.;
143 fAsymCuts[0] = 1.; fAsymCuts[1] = 0.7; //fAsymCuts[2] = 0.6; // fAsymCuts[3] = 0.1;
144 for(Int_t i = fNAsymCuts; i < 10; i++)fAsymCuts[i] = 0.;
147 fCellNCuts[0] = 0; fCellNCuts[1] = 1; fCellNCuts[2] = 2;
148 for(Int_t i = fNCellNCuts; i < 10; i++)fCellNCuts[i] = 0;
151 fPIDBits[0] = 0; fPIDBits[1] = 2; // fPIDBits[2] = 4; fPIDBits[3] = 6;// check, no cut, dispersion, neutral, dispersion&&neutral
152 for(Int_t i = fNPIDBits; i < 10; i++)fPIDBits[i] = 0;
157 //________________________________________________________________________________________________________________________________________________
158 TObjString * AliAnaPi0::GetAnalysisCuts()
160 //Save parameters used for analysis
161 TString parList ; //this will be list of parameters used for this analysis.
162 const Int_t buffersize = 255;
163 char onePar[buffersize] ;
164 snprintf(onePar,buffersize,"--- AliAnaPi0 ---\n") ;
166 snprintf(onePar,buffersize,"Number of bins in Centrality: %d \n",GetNCentrBin()) ;
168 snprintf(onePar,buffersize,"Number of bins in Z vert. pos: %d \n",GetNZvertBin()) ;
170 snprintf(onePar,buffersize,"Number of bins in Reac. Plain: %d \n",GetNRPBin()) ;
172 snprintf(onePar,buffersize,"Depth of event buffer: %d \n",GetNMaxEvMix()) ;
174 snprintf(onePar,buffersize,"Pair in same Module: %d ; Fill Different SM histos %d; CheckConversions %d; TrackMult as centrality: %d; PhotonMult as centrality: %d; cluster E as centrality: %d; cell as centrality: %d; Fill InvPt histos %d\n",
175 fSameSM, fFillSMCombinations, fCheckConversion, fUseTrackMultBins, fUsePhotonMultBins, fUseAverClusterEBins, fUseAverCellEBins, fMakeInvPtPlots) ;
177 snprintf(onePar,buffersize,"Select pairs with their angle: %d, edep %d, min angle %2.3f, max angle %2.3f,\n",fUseAngleCut, fUseAngleEDepCut,fAngleCut,fAngleMaxCut) ;
179 snprintf(onePar,buffersize," Asymmetry cuts: n = %d, asymmetry < ",fNAsymCuts) ;
180 for(Int_t i = 0; i < fNAsymCuts; i++) snprintf(onePar,buffersize,"%s %2.2f;",onePar,fAsymCuts[i]);
182 snprintf(onePar,buffersize," PID selection bits: n = %d, PID bit =\n",fNPIDBits) ;
183 for(Int_t i = 0; i < fNPIDBits; i++) snprintf(onePar,buffersize,"%s %d;",onePar,fPIDBits[i]);
185 snprintf(onePar,buffersize,"Cuts: \n") ;
187 snprintf(onePar,buffersize,"Z vertex position: -%f < z < %f \n",GetZvertexCut(),GetZvertexCut()) ;
189 snprintf(onePar,buffersize,"Calorimeter: %s \n",fCalorimeter.Data()) ;
191 snprintf(onePar,buffersize,"Number of modules: %d \n",fNModules) ;
194 snprintf(onePar, buffersize," pT cuts: n = %d, pt > ",fNPtCuts) ;
195 for(Int_t i = 0; i < fNPtCuts; i++) snprintf(onePar,buffersize,"%s %2.2f;",onePar,fPtCuts[i]);
197 snprintf(onePar,buffersize, " N cell in cluster cuts: n = %d, nCell > ",fNCellNCuts) ;
198 for(Int_t i = 0; i < fNCellNCuts; i++) snprintf(onePar,buffersize,"%s %d;",onePar,fCellNCuts[i]);
202 return new TObjString(parList) ;
205 //________________________________________________________________________________________________________________________________________________
206 TList * AliAnaPi0::GetCreateOutputObjects()
208 // Create histograms to be saved in output file and
209 // store them in fOutputContainer
211 //create event containers
212 fEventsList = new TList*[GetNCentrBin()*GetNZvertBin()*GetNRPBin()] ;
214 for(Int_t ic=0; ic<GetNCentrBin(); ic++){
215 for(Int_t iz=0; iz<GetNZvertBin(); iz++){
216 for(Int_t irp=0; irp<GetNRPBin(); irp++){
217 fEventsList[ic*GetNZvertBin()*GetNRPBin()+iz*GetNRPBin()+irp] = new TList() ;
218 fEventsList[ic*GetNZvertBin()*GetNRPBin()+iz*GetNRPBin()+irp]->SetOwner(kFALSE);
223 TList * outputContainer = new TList() ;
224 outputContainer->SetName(GetName());
226 fhReMod = new TH2F*[fNModules] ;
227 fhMiMod = new TH2F*[fNModules] ;
229 if(fCalorimeter == "PHOS"){
230 fhReDiffPHOSMod = new TH2F*[fNModules] ;
231 fhMiDiffPHOSMod = new TH2F*[fNModules] ;
234 fhReSameSectorEMCALMod = new TH2F*[fNModules/2] ;
235 fhReSameSideEMCALMod = new TH2F*[fNModules-2] ;
236 fhMiSameSectorEMCALMod = new TH2F*[fNModules/2] ;
237 fhMiSameSideEMCALMod = new TH2F*[fNModules-2] ;
241 fhRe1 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
242 fhMi1 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
243 if(fFillBadDistHisto){
244 fhRe2 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
245 fhRe3 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
246 fhMi2 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
247 fhMi3 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
249 if(fMakeInvPtPlots) {
250 fhReInvPt1 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
251 fhMiInvPt1 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
252 if(fFillBadDistHisto){
253 fhReInvPt2 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
254 fhReInvPt3 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
255 fhMiInvPt2 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
256 fhMiInvPt3 = new TH2F*[GetNCentrBin()*fNPIDBits*fNAsymCuts] ;
260 const Int_t buffersize = 255;
261 char key[buffersize] ;
262 char title[buffersize] ;
264 Int_t nptbins = GetHistogramRanges()->GetHistoPtBins();
265 Int_t nphibins = GetHistogramRanges()->GetHistoPhiBins();
266 Int_t netabins = GetHistogramRanges()->GetHistoEtaBins();
267 Float_t ptmax = GetHistogramRanges()->GetHistoPtMax();
268 Float_t phimax = GetHistogramRanges()->GetHistoPhiMax();
269 Float_t etamax = GetHistogramRanges()->GetHistoEtaMax();
270 Float_t ptmin = GetHistogramRanges()->GetHistoPtMin();
271 Float_t phimin = GetHistogramRanges()->GetHistoPhiMin();
272 Float_t etamin = GetHistogramRanges()->GetHistoEtaMin();
274 Int_t nmassbins = GetHistogramRanges()->GetHistoMassBins();
275 Int_t nasymbins = GetHistogramRanges()->GetHistoAsymmetryBins();
276 Float_t massmax = GetHistogramRanges()->GetHistoMassMax();
277 Float_t asymmax = GetHistogramRanges()->GetHistoAsymmetryMax();
278 Float_t massmin = GetHistogramRanges()->GetHistoMassMin();
279 Float_t asymmin = GetHistogramRanges()->GetHistoAsymmetryMin();
280 Int_t ntrmbins = GetHistogramRanges()->GetHistoTrackMultiplicityBins();
281 Int_t ntrmmax = GetHistogramRanges()->GetHistoTrackMultiplicityMax();
282 Int_t ntrmmin = GetHistogramRanges()->GetHistoTrackMultiplicityMin();
284 if(GetNCentrBin() > 1 && (fUseAverCellEBins||fUseAverClusterEBins||fUseAverClusterEDenBins)){
286 fhAverTotECluster = new TH1F("hAverTotECluster","hAverTotECluster",200,0,50) ;
287 fhAverTotECluster->SetXTitle("E_{cluster, aver. SM} (GeV)");
288 outputContainer->Add(fhAverTotECluster) ;
290 fhAverTotECell = new TH1F("hAverTotECell","hAverTotECell",200,0,50) ;
291 fhAverTotECell->SetXTitle("E_{cell, aver. SM} (GeV)");
292 outputContainer->Add(fhAverTotECell) ;
294 fhAverTotECellvsCluster = new TH2F("hAverTotECellvsCluster","hAverTotECellvsCluster",200,0,50,200,0,50) ;
295 fhAverTotECellvsCluster->SetYTitle("E_{cell, aver. SM} (GeV)");
296 fhAverTotECellvsCluster->SetXTitle("E_{cluster, aver. SM} (GeV)");
297 outputContainer->Add(fhAverTotECellvsCluster) ;
299 fhEDensityCluster = new TH1F("hEDensityCluster","hEDensityCluster",200,0,50) ;
300 fhEDensityCluster->SetXTitle("#Sigma E_{cluster} / N_{cluster} (GeV)");
301 outputContainer->Add(fhEDensityCluster) ;
303 fhEDensityCell = new TH1F("hEDensityCell","hEDensityCell",200,0,50) ;
304 fhEDensityCell->SetXTitle("#Sigma E_{cell} / N_{cell} (GeV)");
305 outputContainer->Add(fhEDensityCell) ;
307 fhEDensityCellvsCluster = new TH2F("hEDensityCellvsCluster","hEDensityCellvsCluster",200,0,50,200,0,50) ;
308 fhEDensityCellvsCluster->SetYTitle("#Sigma E_{cell} / N_{cell} (GeV)");
309 fhEDensityCellvsCluster->SetXTitle("#Sigma E_{cluster} / N_{cluster} (GeV)");
310 outputContainer->Add(fhEDensityCellvsCluster) ;
312 }//counting and average histograms
314 if(fCheckConversion){
315 fhReConv = new TH2F("hReConv","Real Pair with one recombined conversion ",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
316 fhReConv->SetXTitle("p_{T} (GeV/c)");
317 fhReConv->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
318 outputContainer->Add(fhReConv) ;
320 fhReConv2 = new TH2F("hReConv2","Real Pair with 2 recombined conversion ",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
321 fhReConv2->SetXTitle("p_{T} (GeV/c)");
322 fhReConv2->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
323 outputContainer->Add(fhReConv2) ;
326 fhMiConv = new TH2F("hMiConv","Mixed Pair with one recombined conversion ",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
327 fhMiConv->SetXTitle("p_{T} (GeV/c)");
328 fhMiConv->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
329 outputContainer->Add(fhMiConv) ;
331 fhMiConv2 = new TH2F("hMiConv2","Mixed Pair with 2 recombined conversion ",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
332 fhMiConv2->SetXTitle("p_{T} (GeV/c)");
333 fhMiConv2->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
334 outputContainer->Add(fhMiConv2) ;
338 for(Int_t ic=0; ic<GetNCentrBin(); ic++){
339 for(Int_t ipid=0; ipid<fNPIDBits; ipid++){
340 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
341 Int_t index = ((ic*fNPIDBits)+ipid)*fNAsymCuts + iasym;
342 //printf("cen %d, pid %d, asy %d, Index %d\n",ic,ipid,iasym,index);
343 //Distance to bad module 1
344 snprintf(key, buffersize,"hRe_cen%d_pidbit%d_asy%d_dist1",ic,ipid,iasym) ;
345 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 1",
346 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
347 fhRe1[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
348 fhRe1[index]->SetXTitle("p_{T} (GeV/c)");
349 fhRe1[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
350 //printf("name: %s\n ",fhRe1[index]->GetName());
351 outputContainer->Add(fhRe1[index]) ;
353 if(fFillBadDistHisto){
354 //Distance to bad module 2
355 snprintf(key, buffersize,"hRe_cen%d_pidbit%d_asy%d_dist2",ic,ipid,iasym) ;
356 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 2",
357 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
358 fhRe2[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
359 fhRe2[index]->SetXTitle("p_{T} (GeV/c)");
360 fhRe2[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
361 outputContainer->Add(fhRe2[index]) ;
363 //Distance to bad module 3
364 snprintf(key, buffersize,"hRe_cen%d_pidbit%d_asy%d_dist3",ic,ipid,iasym) ;
365 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 3",
366 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
367 fhRe3[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
368 fhRe3[index]->SetXTitle("p_{T} (GeV/c)");
369 fhRe3[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
370 outputContainer->Add(fhRe3[index]) ;
375 //Distance to bad module 1
376 snprintf(key, buffersize,"hReInvPt_cen%d_pidbit%d_asy%d_dist1",ic,ipid,iasym) ;
377 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 1",
378 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
379 fhReInvPt1[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
380 fhReInvPt1[index]->SetXTitle("p_{T} (GeV/c)");
381 fhReInvPt1[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
382 outputContainer->Add(fhReInvPt1[index]) ;
384 if(fFillBadDistHisto){
385 //Distance to bad module 2
386 snprintf(key, buffersize,"hReInvPt_cen%d_pidbit%d_asy%d_dist2",ic,ipid,iasym) ;
387 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 2",
388 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
389 fhReInvPt2[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
390 fhReInvPt2[index]->SetXTitle("p_{T} (GeV/c)");
391 fhReInvPt2[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
392 outputContainer->Add(fhReInvPt2[index]) ;
394 //Distance to bad module 3
395 snprintf(key, buffersize,"hReInvPt_cen%d_pidbit%d_asy%d_dist3",ic,ipid,iasym) ;
396 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 3",
397 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
398 fhReInvPt3[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
399 fhReInvPt3[index]->SetXTitle("p_{T} (GeV/c)");
400 fhReInvPt3[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
401 outputContainer->Add(fhReInvPt3[index]) ;
405 //Distance to bad module 1
406 snprintf(key, buffersize,"hMi_cen%d_pidbit%d_asy%d_dist1",ic,ipid,iasym) ;
407 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 1",
408 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
409 fhMi1[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
410 fhMi1[index]->SetXTitle("p_{T} (GeV/c)");
411 fhMi1[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
412 outputContainer->Add(fhMi1[index]) ;
413 if(fFillBadDistHisto){
414 //Distance to bad module 2
415 snprintf(key, buffersize,"hMi_cen%d_pidbit%d_asy%d_dist2",ic,ipid,iasym) ;
416 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 2",
417 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
418 fhMi2[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
419 fhMi2[index]->SetXTitle("p_{T} (GeV/c)");
420 fhMi2[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
421 outputContainer->Add(fhMi2[index]) ;
423 //Distance to bad module 3
424 snprintf(key, buffersize,"hMi_cen%d_pidbit%d_asy%d_dist3",ic,ipid,iasym) ;
425 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 3",
426 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
427 fhMi3[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
428 fhMi3[index]->SetXTitle("p_{T} (GeV/c)");
429 fhMi3[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
430 outputContainer->Add(fhMi3[index]) ;
434 //Distance to bad module 1
435 snprintf(key, buffersize,"hMiInvPt_cen%d_pidbit%d_asy%d_dist1",ic,ipid,iasym) ;
436 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 1",
437 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
438 fhMiInvPt1[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
439 fhMiInvPt1[index]->SetXTitle("p_{T} (GeV/c)");
440 fhMiInvPt1[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
441 outputContainer->Add(fhMiInvPt1[index]) ;
442 if(fFillBadDistHisto){
443 //Distance to bad module 2
444 snprintf(key, buffersize,"hMiInvPt_cen%d_pidbit%d_asy%d_dist2",ic,ipid,iasym) ;
445 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f, dist bad 2",
446 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
447 fhMiInvPt2[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
448 fhMiInvPt2[index]->SetXTitle("p_{T} (GeV/c)");
449 fhMiInvPt2[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
450 outputContainer->Add(fhMiInvPt2[index]) ;
452 //Distance to bad module 3
453 snprintf(key, buffersize,"hMiInvPt_cen%d_pidbit%d_asy%d_dist3",ic,ipid,iasym) ;
454 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for centrality=%d, PID bit=%d and asymmetry %1.2f,dist bad 3",
455 ic,fPIDBits[ipid], fAsymCuts[iasym]) ;
456 fhMiInvPt3[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
457 fhMiInvPt3[index]->SetXTitle("p_{T} (GeV/c)");
458 fhMiInvPt3[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
459 outputContainer->Add(fhMiInvPt3[index]) ;
467 if(fFillAsymmetryHisto){
468 fhRePtAsym = new TH2F("hRePtAsym","Asymmetry vs pt, for pairs",nptbins,ptmin,ptmax,nasymbins,asymmin,asymmax) ;
469 fhRePtAsym->SetXTitle("p_{T} (GeV/c)");
470 fhRePtAsym->SetYTitle("Asymmetry");
471 outputContainer->Add(fhRePtAsym);
473 fhRePtAsymPi0 = new TH2F("hRePtAsymPi0","Asymmetry vs pt, for pairs close to #pi^{0} mass",nptbins,ptmin,ptmax,nasymbins,asymmin,asymmax) ;
474 fhRePtAsymPi0->SetXTitle("p_{T} (GeV/c)");
475 fhRePtAsymPi0->SetYTitle("Asymmetry");
476 outputContainer->Add(fhRePtAsymPi0);
478 fhRePtAsymEta = new TH2F("hRePtAsymEta","Asymmetry vs pt, for pairs close to #eta mass",nptbins,ptmin,ptmax,nasymbins,asymmin,asymmax) ;
479 fhRePtAsymEta->SetXTitle("p_{T} (GeV/c)");
480 fhRePtAsymEta->SetYTitle("Asymmetry");
481 outputContainer->Add(fhRePtAsymEta);
486 fhRePIDBits = new TH2F*[fNPIDBits];
487 for(Int_t ipid=0; ipid<fNPIDBits; ipid++){
488 snprintf(key, buffersize,"hRe_pidbit%d",ipid) ;
489 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for PIDBit=%d",fPIDBits[ipid]) ;
490 fhRePIDBits[ipid] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
491 fhRePIDBits[ipid]->SetXTitle("p_{T} (GeV/c)");
492 fhRePIDBits[ipid]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
493 outputContainer->Add(fhRePIDBits[ipid]) ;
496 fhRePtNCellAsymCuts = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
497 fhMiPtNCellAsymCuts = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
499 if(fFillSMCombinations){
500 for(Int_t iSM = 0; iSM < fNModules; iSM++) fhRePtNCellAsymCutsSM[iSM] = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
504 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
505 for(Int_t icell=0; icell<fNCellNCuts; icell++){
506 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
507 snprintf(key, buffersize,"hRe_pt%d_cell%d_asym%d",ipt,icell,iasym) ;
508 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for pt >%2.2f, ncell>%d and asym >%1.2f ",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]) ;
509 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
510 //printf("ipt %d, icell %d, iassym %d, index %d\n",ipt, icell, iasym, index);
511 fhRePtNCellAsymCuts[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
512 fhRePtNCellAsymCuts[index]->SetXTitle("p_{T} (GeV/c)");
513 fhRePtNCellAsymCuts[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
514 outputContainer->Add(fhRePtNCellAsymCuts[index]) ;
516 snprintf(key, buffersize,"hMi_pt%d_cell%d_asym%d",ipt,icell,iasym) ;
517 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]) ;
518 fhMiPtNCellAsymCuts[index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
519 fhMiPtNCellAsymCuts[index]->SetXTitle("p_{T} (GeV/c)");
520 fhMiPtNCellAsymCuts[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
521 outputContainer->Add(fhMiPtNCellAsymCuts[index]) ;
523 if(fFillSMCombinations){
524 for(Int_t iSM = 0; iSM < fNModules; iSM++){
525 snprintf(key, buffersize,"hRe_pt%d_cell%d_asym%d_SM%d",ipt,icell,iasym,iSM) ;
526 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for pt >%2.2f, ncell>%d and asym >%1.2f, SM %d ",
527 fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym],iSM) ;
528 fhRePtNCellAsymCutsSM[iSM][index] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
529 fhRePtNCellAsymCutsSM[iSM][index]->SetXTitle("p_{T} (GeV/c)");
530 fhRePtNCellAsymCutsSM[iSM][index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
531 outputContainer->Add(fhRePtNCellAsymCutsSM[iSM][index]) ;
540 fhRePtMult = new TH3F*[fNAsymCuts] ;
541 for(Int_t iasym = 0; iasym<fNAsymCuts; iasym++){
542 fhRePtMult[iasym] = new TH3F(Form("hRePtMult_asym%d",iasym),Form("(p_{T},C,M)_{#gamma#gamma}, A<%1.2f",fAsymCuts[iasym]),
543 nptbins,ptmin,ptmax,ntrmbins,ntrmmin,ntrmmax,nmassbins,massmin,massmax);
544 fhRePtMult[iasym]->SetXTitle("p_{T} (GeV/c)");
545 fhRePtMult[iasym]->SetYTitle("Track multiplicity");
546 fhRePtMult[iasym]->SetZTitle("m_{#gamma,#gamma} (GeV/c^{2})");
547 outputContainer->Add(fhRePtMult[iasym]) ;
550 }// multi cuts analysis
552 if(fFillSSCombinations)
555 fhReSS[0] = new TH2F("hRe_SS_Tight"," 0.01 < #lambda_{0}^{2} < 0.4",
556 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
557 fhReSS[0]->SetXTitle("p_{T} (GeV/c)");
558 fhReSS[0]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
559 outputContainer->Add(fhReSS[0]) ;
562 fhReSS[1] = new TH2F("hRe_SS_Loose"," #lambda_{0}^{2} > 0.4",
563 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
564 fhReSS[1]->SetXTitle("p_{T} (GeV/c)");
565 fhReSS[1]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
566 outputContainer->Add(fhReSS[1]) ;
569 fhReSS[2] = new TH2F("hRe_SS_Both"," cluster_{1} #lambda_{0}^{2} > 0.4; cluster_{2} 0.01 < #lambda_{0}^{2} < 0.4",
570 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
571 fhReSS[2]->SetXTitle("p_{T} (GeV/c)");
572 fhReSS[2]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
573 outputContainer->Add(fhReSS[2]) ;
576 fhEvents=new TH3F("hEvents","Number of events",GetNCentrBin(),0.,1.*GetNCentrBin(),
577 GetNZvertBin(),0.,1.*GetNZvertBin(),GetNRPBin(),0.,1.*GetNRPBin()) ;
579 fhEvents->SetXTitle("Centrality bin");
580 fhEvents->SetYTitle("Z vertex bin bin");
581 fhEvents->SetZTitle("RP bin");
582 outputContainer->Add(fhEvents) ;
584 if(GetNCentrBin()>1){
585 fhCentrality=new TH1F("hCentralityBin","Number of events in centrality bin",GetNCentrBin(),0.,1.*GetNCentrBin()) ;
586 fhCentrality->SetXTitle("Centrality bin");
587 outputContainer->Add(fhCentrality) ;
589 fhCentralityNoPair=new TH1F("hCentralityBinNoPair","Number of events in centrality bin, with no cluster pairs",GetNCentrBin(),0.,1.*GetNCentrBin()) ;
590 fhCentralityNoPair->SetXTitle("Centrality bin");
591 outputContainer->Add(fhCentralityNoPair) ;
594 if(GetNRPBin() > 1 ){
596 fhEventPlaneAngle=new TH1F("hEventPlaneAngleBin","Number of events in centrality bin",100,0.,TMath::TwoPi()) ;
597 fhEventPlaneAngle->SetXTitle("EP angle (rad)");
598 outputContainer->Add(fhEventPlaneAngle) ;
600 if(GetNCentrBin()>1){
601 fhEventPlaneResolution=new TH2F("hEventPlaneResolution","Event plane resolution",GetNCentrBin(),0,GetNCentrBin(),100,0.,TMath::TwoPi()) ;
602 fhEventPlaneResolution->SetYTitle("Resolution");
603 fhEventPlaneResolution->SetXTitle("Centrality Bin");
604 outputContainer->Add(fhEventPlaneResolution) ;
609 fhRealOpeningAngle = new TH2F
610 ("hRealOpeningAngle","Angle between all #gamma pair vs E_{#pi^{0}}",nptbins,ptmin,ptmax,300,0,TMath::Pi());
611 fhRealOpeningAngle->SetYTitle("#theta(rad)");
612 fhRealOpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
613 outputContainer->Add(fhRealOpeningAngle) ;
615 fhRealCosOpeningAngle = new TH2F
616 ("hRealCosOpeningAngle","Cosinus of angle between all #gamma pair vs E_{#pi^{0}}",nptbins,ptmin,ptmax,100,0,1);
617 fhRealCosOpeningAngle->SetYTitle("cos (#theta) ");
618 fhRealCosOpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
619 outputContainer->Add(fhRealCosOpeningAngle) ;
623 fhMixedOpeningAngle = new TH2F
624 ("hMixedOpeningAngle","Angle between all #gamma pair vs E_{#pi^{0}}, Mixed pairs",nptbins,ptmin,ptmax,300,0,TMath::Pi());
625 fhMixedOpeningAngle->SetYTitle("#theta(rad)");
626 fhMixedOpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
627 outputContainer->Add(fhMixedOpeningAngle) ;
629 fhMixedCosOpeningAngle = new TH2F
630 ("hMixedCosOpeningAngle","Cosinus of angle between all #gamma pair vs E_{#pi^{0}}, Mixed pairs",nptbins,ptmin,ptmax,100,0,1);
631 fhMixedCosOpeningAngle->SetYTitle("cos (#theta) ");
632 fhMixedCosOpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
633 outputContainer->Add(fhMixedCosOpeningAngle) ;
638 //Histograms filled only if MC data is requested
641 fhReMCFromConversion = new TH2F("hReMCFromConversion","Invariant mass of 2 clusters originated in conversions",
642 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
643 fhReMCFromConversion->SetXTitle("p_{T} (GeV/c)");
644 fhReMCFromConversion->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
645 outputContainer->Add(fhReMCFromConversion) ;
647 fhReMCFromNotConversion = new TH2F("hReMCNotFromConversion","Invariant mass of 2 clusters not originated in conversions",
648 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
649 fhReMCFromNotConversion->SetXTitle("p_{T} (GeV/c)");
650 fhReMCFromNotConversion->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
651 outputContainer->Add(fhReMCFromNotConversion) ;
653 fhReMCFromMixConversion = new TH2F("hReMCFromMixConversion","Invariant mass of 2 clusters one from conversion and the other not",
654 nptbins,ptmin,ptmax,nmassbins,massmin,massmax);
655 fhReMCFromMixConversion->SetXTitle("p_{T} (GeV/c)");
656 fhReMCFromMixConversion->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
657 outputContainer->Add(fhReMCFromMixConversion) ;
660 fhPrimPi0Pt = new TH1F("hPrimPi0Pt","Primary pi0 pt, Y<1",nptbins,ptmin,ptmax) ;
661 fhPrimPi0AccPt = new TH1F("hPrimPi0AccPt","Primary pi0 pt with both photons in acceptance",nptbins,ptmin,ptmax) ;
662 fhPrimPi0Pt ->SetXTitle("p_{T} (GeV/c)");
663 fhPrimPi0AccPt->SetXTitle("p_{T} (GeV/c)");
664 outputContainer->Add(fhPrimPi0Pt) ;
665 outputContainer->Add(fhPrimPi0AccPt) ;
667 Int_t netabinsopen = TMath::Nint(netabins*4/(etamax-etamin));
668 fhPrimPi0Y = new TH2F("hPrimPi0Rapidity","Rapidity of primary pi0",nptbins,ptmin,ptmax,netabinsopen,-2, 2) ;
669 fhPrimPi0Y ->SetYTitle("Rapidity");
670 fhPrimPi0Y ->SetXTitle("p_{T} (GeV/c)");
671 outputContainer->Add(fhPrimPi0Y) ;
673 fhPrimPi0AccY = new TH2F("hPrimPi0AccRapidity","Rapidity of primary pi0",nptbins,ptmin,ptmax,netabins,etamin,etamax) ;
674 fhPrimPi0AccY->SetYTitle("Rapidity");
675 fhPrimPi0AccY->SetXTitle("p_{T} (GeV/c)");
676 outputContainer->Add(fhPrimPi0AccY) ;
678 Int_t nphibinsopen = TMath::Nint(nphibins*TMath::TwoPi()/(phimax-phimin));
679 fhPrimPi0Phi = new TH2F("hPrimPi0Phi","Azimuthal of primary pi0, Y<1",nptbins,ptmin,ptmax,nphibinsopen,0,360) ;
680 fhPrimPi0Phi->SetYTitle("#phi (deg)");
681 fhPrimPi0Phi->SetXTitle("p_{T} (GeV/c)");
682 outputContainer->Add(fhPrimPi0Phi) ;
684 fhPrimPi0AccPhi = new TH2F("hPrimPi0AccPhi","Azimuthal of primary pi0 with accepted daughters",nptbins,ptmin,ptmax,
685 nphibins,phimin*TMath::RadToDeg(),phimax*TMath::RadToDeg()) ;
686 fhPrimPi0AccPhi->SetYTitle("#phi (deg)");
687 fhPrimPi0AccPhi->SetXTitle("p_{T} (GeV/c)");
688 outputContainer->Add(fhPrimPi0AccPhi) ;
691 fhPrimEtaPt = new TH1F("hPrimEtaPt","Primary eta pt",nptbins,ptmin,ptmax) ;
692 fhPrimEtaAccPt = new TH1F("hPrimEtaAccPt","Primary eta pt with both photons in acceptance",nptbins,ptmin,ptmax) ;
693 fhPrimEtaPt ->SetXTitle("p_{T} (GeV/c)");
694 fhPrimEtaAccPt->SetXTitle("p_{T} (GeV/c)");
695 outputContainer->Add(fhPrimEtaPt) ;
696 outputContainer->Add(fhPrimEtaAccPt) ;
698 fhPrimEtaY = new TH2F("hPrimEtaRapidity","Rapidity of primary eta",nptbins,ptmin,ptmax,netabins,etamin,etamax) ;
699 fhPrimEtaY->SetYTitle("Rapidity");
700 fhPrimEtaY->SetXTitle("p_{T} (GeV/c)");
701 outputContainer->Add(fhPrimEtaY) ;
703 fhPrimEtaAccY = new TH2F("hPrimEtaAccRapidity","Rapidity of primary eta",nptbins,ptmin,ptmax, netabins,etamin,etamax) ;
704 fhPrimEtaAccY->SetYTitle("Rapidity");
705 fhPrimEtaAccY->SetXTitle("p_{T} (GeV/c)");
706 outputContainer->Add(fhPrimEtaAccY) ;
708 fhPrimEtaPhi = new TH2F("hPrimEtaPhi","Azimuthal of primary eta",nptbins,ptmin,ptmax, nphibins,phimin*TMath::RadToDeg(),phimax*TMath::RadToDeg()) ;
709 fhPrimEtaPhi->SetYTitle("#phi (deg)");
710 fhPrimEtaPhi->SetXTitle("p_{T} (GeV/c)");
711 outputContainer->Add(fhPrimEtaPhi) ;
713 fhPrimEtaAccPhi = new TH2F("hPrimEtaAccPhi","Azimuthal of primary eta with accepted daughters",nptbins,ptmin,ptmax, nphibins,phimin*TMath::RadToDeg(),phimax*TMath::RadToDeg()) ;
714 fhPrimEtaAccPhi->SetYTitle("#phi (deg)");
715 fhPrimEtaAccPhi->SetXTitle("p_{T} (GeV/c)");
716 outputContainer->Add(fhPrimEtaAccPhi) ;
721 fhPrimPi0PtOrigin = new TH2F("hPrimPi0PtOrigin","Primary pi0 pt vs origin",nptbins,ptmin,ptmax,11,0,11) ;
722 fhPrimPi0PtOrigin->SetXTitle("p_{T} (GeV/c)");
723 fhPrimPi0PtOrigin->SetYTitle("Origin");
724 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(1 ,"Status 21");
725 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(2 ,"Quark");
726 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(3 ,"qq Resonances ");
727 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(4 ,"Resonances");
728 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(5 ,"#rho");
729 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(6 ,"#omega");
730 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(7 ,"K");
731 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(8 ,"Other");
732 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(9 ,"#eta");
733 fhPrimPi0PtOrigin->GetYaxis()->SetBinLabel(10 ,"#eta prime");
734 outputContainer->Add(fhPrimPi0PtOrigin) ;
736 fhMCPi0PtOrigin = new TH2F("hMCPi0PtOrigin","Reconstructed pair from generated pi0 pt vs origin",nptbins,ptmin,ptmax,11,0,11) ;
737 fhMCPi0PtOrigin->SetXTitle("p_{T} (GeV/c)");
738 fhMCPi0PtOrigin->SetYTitle("Origin");
739 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(1 ,"Status 21");
740 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(2 ,"Quark");
741 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(3 ,"qq Resonances");
742 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(4 ,"Resonances");
743 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(5 ,"#rho");
744 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(6 ,"#omega");
745 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(7 ,"K");
746 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(8 ,"Other");
747 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(9 ,"#eta");
748 fhMCPi0PtOrigin->GetYaxis()->SetBinLabel(10 ,"#eta prime");
749 outputContainer->Add(fhMCPi0PtOrigin) ;
752 fhPrimEtaPtOrigin = new TH2F("hPrimEtaPtOrigin","Primary pi0 pt vs origin",nptbins,ptmin,ptmax,7,0,7) ;
753 fhPrimEtaPtOrigin->SetXTitle("p_{T} (GeV/c)");
754 fhPrimEtaPtOrigin->SetYTitle("Origin");
755 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(1 ,"Status 21");
756 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(2 ,"Quark");
757 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(3 ,"qq Resonances");
758 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(4 ,"Resonances");
759 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(5 ,"Other");
760 fhPrimEtaPtOrigin->GetYaxis()->SetBinLabel(6 ,"#eta prime ");
762 outputContainer->Add(fhPrimEtaPtOrigin) ;
764 fhMCEtaPtOrigin = new TH2F("hMCEtaPtOrigin","Reconstructed pair from generated pi0 pt vs origin",nptbins,ptmin,ptmax,7,0,7) ;
765 fhMCEtaPtOrigin->SetXTitle("p_{T} (GeV/c)");
766 fhMCEtaPtOrigin->SetYTitle("Origin");
767 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(1 ,"Status 21");
768 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(2 ,"Quark");
769 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(3 ,"qq Resonances");
770 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(4 ,"Resonances");
771 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(5 ,"Other");
772 fhMCEtaPtOrigin->GetYaxis()->SetBinLabel(6 ,"#eta prime");
774 outputContainer->Add(fhMCEtaPtOrigin) ;
777 fhPrimPi0OpeningAngle = new TH2F
778 ("hPrimPi0OpeningAngle","Angle between all primary #gamma pair vs E_{#pi^{0}}",nptbins,ptmin,ptmax,100,0,0.5);
779 fhPrimPi0OpeningAngle->SetYTitle("#theta(rad)");
780 fhPrimPi0OpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
781 outputContainer->Add(fhPrimPi0OpeningAngle) ;
783 fhPrimPi0CosOpeningAngle = new TH2F
784 ("hPrimPi0CosOpeningAngle","Cosinus of angle between all primary #gamma pair vs E_{#pi^{0}}",nptbins,ptmin,ptmax,100,-1,1);
785 fhPrimPi0CosOpeningAngle->SetYTitle("cos (#theta) ");
786 fhPrimPi0CosOpeningAngle->SetXTitle("E_{ #pi^{0}} (GeV)");
787 outputContainer->Add(fhPrimPi0CosOpeningAngle) ;
790 for(Int_t i = 0; i<13; i++){
791 fhMCOrgMass[i] = new TH2F(Form("hMCOrgMass_%d",i),Form("mass vs pt, origin %d",i),nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
792 fhMCOrgMass[i]->SetXTitle("p_{T} (GeV/c)");
793 fhMCOrgMass[i]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
794 outputContainer->Add(fhMCOrgMass[i]) ;
796 fhMCOrgAsym[i]= new TH2F(Form("hMCOrgAsym_%d",i),Form("asymmetry vs pt, origin %d",i),nptbins,ptmin,ptmax,nasymbins,asymmin,asymmax) ;
797 fhMCOrgAsym[i]->SetXTitle("p_{T} (GeV/c)");
798 fhMCOrgAsym[i]->SetYTitle("A");
799 outputContainer->Add(fhMCOrgAsym[i]) ;
801 fhMCOrgDeltaEta[i] = new TH2F(Form("hMCOrgDeltaEta_%d",i),Form("#Delta #eta of pair vs pt, origin %d",i),nptbins,ptmin,ptmax,netabins,-1.4,1.4) ;
802 fhMCOrgDeltaEta[i]->SetXTitle("p_{T} (GeV/c)");
803 fhMCOrgDeltaEta[i]->SetYTitle("#Delta #eta");
804 outputContainer->Add(fhMCOrgDeltaEta[i]) ;
806 fhMCOrgDeltaPhi[i]= new TH2F(Form("hMCOrgDeltaPhi_%d",i),Form("#Delta #phi of pair vs p_{T}, origin %d",i),nptbins,ptmin,ptmax,nphibins,-0.7,0.7) ;
807 fhMCOrgDeltaPhi[i]->SetXTitle("p_{T} (GeV/c)");
808 fhMCOrgDeltaPhi[i]->SetYTitle("#Delta #phi (rad)");
809 outputContainer->Add(fhMCOrgDeltaPhi[i]) ;
814 fhMCPi0MassPtTrue = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
815 fhMCPi0MassPtRec = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
816 fhMCPi0PtTruePtRec = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
817 fhMCEtaMassPtRec = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
818 fhMCEtaMassPtTrue = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
819 fhMCEtaPtTruePtRec = new TH2F*[fNPtCuts*fNAsymCuts*fNCellNCuts];
820 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
821 for(Int_t icell=0; icell<fNCellNCuts; icell++){
822 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
823 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
825 fhMCPi0MassPtRec[index] = new TH2F(Form("hMCPi0MassPtRec_pt%d_cell%d_asym%d",ipt,icell,iasym),
826 Form("Reconstructed Mass vs reconstructed p_T of true #pi^{0} cluster pairs for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
827 nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
828 fhMCPi0MassPtRec[index]->SetXTitle("p_{T, reconstructed} (GeV/c)");
829 fhMCPi0MassPtRec[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
830 outputContainer->Add(fhMCPi0MassPtRec[index]) ;
832 fhMCPi0MassPtTrue[index] = new TH2F(Form("hMCPi0MassPtTrue_pt%d_cell%d_asym%d",ipt,icell,iasym),
833 Form("Reconstructed Mass vs generated p_T of true #pi^{0} cluster pairs for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
834 nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
835 fhMCPi0MassPtTrue[index]->SetXTitle("p_{T, generated} (GeV/c)");
836 fhMCPi0MassPtTrue[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
837 outputContainer->Add(fhMCPi0MassPtTrue[index]) ;
839 fhMCPi0PtTruePtRec[index] = new TH2F(Form("hMCPi0PtTruePtRec_pt%d_cell%d_asym%d",ipt,icell,iasym),
840 Form("Generated vs reconstructed p_T of true #pi^{0} cluster pairs, 0.01 < rec. mass < 0.17 MeV/c^{2} for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
841 nptbins,ptmin,ptmax,nptbins,ptmin,ptmax) ;
842 fhMCPi0PtTruePtRec[index]->SetXTitle("p_{T, generated} (GeV/c)");
843 fhMCPi0PtTruePtRec[index]->SetYTitle("p_{T, reconstructed} (GeV/c)");
844 outputContainer->Add(fhMCPi0PtTruePtRec[index]) ;
846 fhMCEtaMassPtRec[index] = new TH2F(Form("hMCEtaMassPtRec_pt%d_cell%d_asym%d",ipt,icell,iasym),
847 Form("Reconstructed Mass vs reconstructed p_T of true #eta cluster pairs for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
848 nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
849 fhMCEtaMassPtRec[index]->SetXTitle("p_{T, generated} (GeV/c)");
850 fhMCEtaMassPtRec[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
851 outputContainer->Add(fhMCEtaMassPtRec[index]) ;
853 fhMCEtaMassPtTrue[index] = new TH2F(Form("hMCEtaMassPtTrue_pt%d_cell%d_asym%d",ipt,icell,iasym),
854 Form("Reconstructed Mass vs generated p_T of true #eta cluster pairs for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
855 nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
856 fhMCEtaMassPtTrue[index]->SetXTitle("p_{T, generated} (GeV/c)");
857 fhMCEtaMassPtTrue[index]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
858 outputContainer->Add(fhMCEtaMassPtTrue[index]) ;
860 fhMCEtaPtTruePtRec[index] = new TH2F(Form("hMCEtaPtTruePtRec_pt%d_cell%d_asym%d",ipt,icell,iasym),
861 Form("Generated vs reconstructed p_T of true #eta cluster pairs, 0.01 < rec. mass < 0.17 MeV/c^{2} for pt >%2.2f, ncell>%d and asym >%1.2f",fPtCuts[ipt],fCellNCuts[icell], fAsymCuts[iasym]),
862 nptbins,ptmin,ptmax,nptbins,ptmin,ptmax) ;
863 fhMCEtaPtTruePtRec[index]->SetXTitle("p_{T, generated} (GeV/c)");
864 fhMCEtaPtTruePtRec[index]->SetYTitle("p_{T, reconstructed} (GeV/c)");
865 outputContainer->Add(fhMCEtaPtTruePtRec[index]) ;
871 fhMCPi0MassPtTrue = new TH2F*[1];
872 fhMCPi0PtTruePtRec = new TH2F*[1];
873 fhMCEtaMassPtTrue = new TH2F*[1];
874 fhMCEtaPtTruePtRec = new TH2F*[1];
876 fhMCPi0MassPtTrue[0] = new TH2F("hMCPi0MassPtTrue","Reconstructed Mass vs generated p_T of true #pi^{0} cluster pairs",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
877 fhMCPi0MassPtTrue[0]->SetXTitle("p_{T, generated} (GeV/c)");
878 fhMCPi0MassPtTrue[0]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
879 outputContainer->Add(fhMCPi0MassPtTrue[0]) ;
881 fhMCPi0PtTruePtRec[0]= new TH2F("hMCPi0PtTruePtRec","Generated vs reconstructed p_T of true #pi^{0} cluster pairs, 0.01 < rec. mass < 0.17 MeV/c^{2}",nptbins,ptmin,ptmax,nptbins,ptmin,ptmax) ;
882 fhMCPi0PtTruePtRec[0]->SetXTitle("p_{T, generated} (GeV/c)");
883 fhMCPi0PtTruePtRec[0]->SetYTitle("p_{T, reconstructed} (GeV/c)");
884 outputContainer->Add(fhMCPi0PtTruePtRec[0]) ;
886 fhMCEtaMassPtTrue[0] = new TH2F("hMCEtaMassPtTrue","Reconstructed Mass vs generated p_T of true #eta cluster pairs",nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
887 fhMCEtaMassPtTrue[0]->SetXTitle("p_{T, generated} (GeV/c)");
888 fhMCEtaMassPtTrue[0]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
889 outputContainer->Add(fhMCEtaMassPtTrue[0]) ;
891 fhMCEtaPtTruePtRec[0]= new TH2F("hMCEtaPtTruePtRec","Generated vs reconstructed p_T of true #eta cluster pairs, 0.01 < rec. mass < 0.17 MeV/c^{2}",nptbins,ptmin,ptmax,nptbins,ptmin,ptmax) ;
892 fhMCEtaPtTruePtRec[0]->SetXTitle("p_{T, generated} (GeV/c)");
893 fhMCEtaPtTruePtRec[0]->SetYTitle("p_{T, reconstructed} (GeV/c)");
894 outputContainer->Add(fhMCEtaPtTruePtRec[0]) ;
898 if(fFillSMCombinations){
899 TString pairnamePHOS[] = {"(0-1)","(0-2)","(1-2)","(0-3)","(0-4)","(1-3)","(1-4)","(2-3)","(2-4)","(3-4)"};
900 for(Int_t imod=0; imod<fNModules; imod++){
901 //Module dependent invariant mass
902 snprintf(key, buffersize,"hReMod_%d",imod) ;
903 snprintf(title, buffersize,"Real m_{#gamma#gamma} distr. for Module %d",imod) ;
904 fhReMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
905 fhReMod[imod]->SetXTitle("p_{T} (GeV/c)");
906 fhReMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
907 outputContainer->Add(fhReMod[imod]) ;
908 if(fCalorimeter=="PHOS"){
909 snprintf(key, buffersize,"hReDiffPHOSMod_%d",imod) ;
910 snprintf(title, buffersize,"Real pairs PHOS, clusters in different Modules: %s",(pairnamePHOS[imod]).Data()) ;
911 fhReDiffPHOSMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
912 fhReDiffPHOSMod[imod]->SetXTitle("p_{T} (GeV/c)");
913 fhReDiffPHOSMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
914 outputContainer->Add(fhReDiffPHOSMod[imod]) ;
917 if(imod<fNModules/2){
918 snprintf(key, buffersize,"hReSameSectorEMCAL_%d",imod) ;
919 snprintf(title, buffersize,"Real pairs EMCAL, clusters in same sector, SM(%d,%d)",imod*2,imod*2+1) ;
920 fhReSameSectorEMCALMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
921 fhReSameSectorEMCALMod[imod]->SetXTitle("p_{T} (GeV/c)");
922 fhReSameSectorEMCALMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
923 outputContainer->Add(fhReSameSectorEMCALMod[imod]) ;
925 if(imod<fNModules-2){
926 snprintf(key, buffersize,"hReSameSideEMCAL_%d",imod) ;
927 snprintf(title, buffersize,"Real pairs EMCAL, clusters in same side SM(%d,%d)",imod, imod+2) ;
928 fhReSameSideEMCALMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
929 fhReSameSideEMCALMod[imod]->SetXTitle("p_{T} (GeV/c)");
930 fhReSameSideEMCALMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
931 outputContainer->Add(fhReSameSideEMCALMod[imod]) ;
936 snprintf(key, buffersize,"hMiMod_%d",imod) ;
937 snprintf(title, buffersize,"Mixed m_{#gamma#gamma} distr. for Module %d",imod) ;
938 fhMiMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
939 fhMiMod[imod]->SetXTitle("p_{T} (GeV/c)");
940 fhMiMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
941 outputContainer->Add(fhMiMod[imod]) ;
943 if(fCalorimeter=="PHOS"){
944 snprintf(key, buffersize,"hMiDiffPHOSMod_%d",imod) ;
945 snprintf(title, buffersize,"Mixed pairs PHOS, clusters in different Modules: %s",(pairnamePHOS[imod]).Data()) ;
946 fhMiDiffPHOSMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
947 fhMiDiffPHOSMod[imod]->SetXTitle("p_{T} (GeV/c)");
948 fhMiDiffPHOSMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
949 outputContainer->Add(fhMiDiffPHOSMod[imod]) ;
952 if(imod<fNModules/2){
953 snprintf(key, buffersize,"hMiSameSectorEMCALMod_%d",imod) ;
954 snprintf(title, buffersize,"Mixed pairs EMCAL, clusters in same sector, SM(%d,%d)",imod*2,imod*2+1) ;
955 fhMiSameSectorEMCALMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
956 fhMiSameSectorEMCALMod[imod]->SetXTitle("p_{T} (GeV/c)");
957 fhMiSameSectorEMCALMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
958 outputContainer->Add(fhMiSameSectorEMCALMod[imod]) ;
960 if(imod<fNModules-2){
961 snprintf(key, buffersize,"hMiSameSideEMCALMod_%d",imod) ;
962 snprintf(title, buffersize,"Mixed pairs EMCAL, clusters in same side SM(%d,%d)",imod, imod+2) ;
963 fhMiSameSideEMCALMod[imod] = new TH2F(key,title,nptbins,ptmin,ptmax,nmassbins,massmin,massmax) ;
964 fhMiSameSideEMCALMod[imod]->SetXTitle("p_{T} (GeV/c)");
965 fhMiSameSideEMCALMod[imod]->SetYTitle("m_{#gamma,#gamma} (GeV/c^{2})");
966 outputContainer->Add(fhMiSameSideEMCALMod[imod]) ;
973 // for(Int_t i = 0; i < outputContainer->GetEntries() ; i++){
975 // printf("Histogram %d, name: %s\n ",i, outputContainer->At(i)->GetName());
979 return outputContainer;
982 //_________________________________________________________________________________________________________________________________________________
983 void AliAnaPi0::Print(const Option_t * /*opt*/) const
985 //Print some relevant parameters set for the analysis
986 printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ;
987 AliAnaCaloTrackCorrBaseClass::Print(" ");
989 printf("Number of bins in Centrality: %d \n",GetNCentrBin()) ;
990 printf("Number of bins in Z vert. pos: %d \n",GetNZvertBin()) ;
991 printf("Number of bins in Reac. Plain: %d \n",GetNRPBin()) ;
992 printf("Depth of event buffer: %d \n",GetNMaxEvMix()) ;
993 printf("Pair in same Module: %d \n",fSameSM) ;
995 // printf("Z vertex position: -%2.3f < z < %2.3f \n",GetZvertexCut(),GetZvertexCut()) ; //It crashes here, why?
996 printf("Number of modules: %d \n",fNModules) ;
997 printf("Select pairs with their angle: %d, edep %d, min angle %2.3f, max angle %2.3f \n",fUseAngleCut, fUseAngleEDepCut, fAngleCut, fAngleMaxCut) ;
998 printf("Asymmetry cuts: n = %d, \n",fNAsymCuts) ;
999 printf("\tasymmetry < ");
1000 for(Int_t i = 0; i < fNAsymCuts; i++) printf("%2.2f ",fAsymCuts[i]);
1003 printf("PID selection bits: n = %d, \n",fNPIDBits) ;
1004 printf("\tPID bit = ");
1005 for(Int_t i = 0; i < fNPIDBits; i++) printf("%d ",fPIDBits[i]);
1009 printf("pT cuts: n = %d, \n",fNPtCuts) ;
1011 for(Int_t i = 0; i < fNPtCuts; i++) printf("%2.2f ",fPtCuts[i]);
1014 printf("N cell in cluster cuts: n = %d, \n",fNCellNCuts) ;
1015 printf("\tnCell > ");
1016 for(Int_t i = 0; i < fNCellNCuts; i++) printf("%d ",fCellNCuts[i]);
1020 printf("------------------------------------------------------\n") ;
1023 //_____________________________________________________________
1024 void AliAnaPi0::FillAcceptanceHistograms(){
1025 //Fill acceptance histograms if MC data is available
1027 if(GetReader()->ReadStack()){
1028 AliStack * stack = GetMCStack();
1030 for(Int_t i=0 ; i<stack->GetNtrack(); i++){
1031 TParticle * prim = stack->Particle(i) ;
1032 Int_t pdg = prim->GetPdgCode();
1033 //printf("i %d, %s %d %s %d \n",i, stack->Particle(i)->GetName(), stack->Particle(i)->GetPdgCode(),
1034 // prim->GetName(), prim->GetPdgCode());
1036 if( pdg == 111 || pdg == 221){
1037 Double_t pi0Pt = prim->Pt() ;
1038 if(prim->Energy() == TMath::Abs(prim->Pz())) continue ; //Protection against floating point exception
1039 Double_t pi0Y = 0.5*TMath::Log((prim->Energy()-prim->Pz())/(prim->Energy()+prim->Pz())) ;
1040 Double_t phi = TMath::RadToDeg()*prim->Phi() ;
1042 if(TMath::Abs(pi0Y) < 1.0){
1043 fhPrimPi0Pt ->Fill(pi0Pt) ;
1044 fhPrimPi0Phi->Fill(pi0Pt, phi) ;
1046 fhPrimPi0Y ->Fill(pi0Pt, pi0Y) ;
1048 else if(pdg == 221){
1049 if(TMath::Abs(pi0Y) < 1.0){
1050 fhPrimEtaPt ->Fill(pi0Pt) ;
1051 fhPrimEtaPhi->Fill(pi0Pt, phi) ;
1053 fhPrimEtaY ->Fill(pi0Pt, pi0Y) ;
1057 Int_t momindex = prim->GetFirstMother();
1059 TParticle* mother = stack->Particle(momindex);
1060 Int_t mompdg = TMath::Abs(mother->GetPdgCode());
1061 Int_t momstatus = mother->GetStatusCode();
1063 if (momstatus == 21)fhPrimPi0PtOrigin->Fill(pi0Pt,0.5);//parton
1064 else if(mompdg < 22 ) fhPrimPi0PtOrigin->Fill(pi0Pt,1.5);//quark
1065 else if(mompdg > 2100 && mompdg < 2210) fhPrimPi0PtOrigin->Fill(pi0Pt,2.5);// resonances
1066 else if(mompdg == 221) fhPrimPi0PtOrigin->Fill(pi0Pt,8.5);//eta
1067 else if(mompdg == 331) fhPrimPi0PtOrigin->Fill(pi0Pt,9.5);//eta prime
1068 else if(mompdg == 213) fhPrimPi0PtOrigin->Fill(pi0Pt,4.5);//rho
1069 else if(mompdg == 223) fhPrimPi0PtOrigin->Fill(pi0Pt,5.5);//omega
1070 else if(mompdg >= 310 && mompdg <= 323) fhPrimPi0PtOrigin->Fill(pi0Pt,6.5);//k0S, k+-,k*
1071 else if(mompdg == 130) fhPrimPi0PtOrigin->Fill(pi0Pt,6.5);//k0L
1072 else if(momstatus == 11 || momstatus == 12 ) fhPrimPi0PtOrigin->Fill(pi0Pt,3.5);//resonances
1073 else fhPrimPi0PtOrigin->Fill(pi0Pt,7.5);//other?
1076 if (momstatus == 21 ) fhPrimEtaPtOrigin->Fill(pi0Pt,0.5);//parton
1077 else if(mompdg < 22 ) fhPrimEtaPtOrigin->Fill(pi0Pt,1.5);//quark
1078 else if(mompdg > 2100 && mompdg < 2210) fhPrimEtaPtOrigin->Fill(pi0Pt,2.5);//qq resonances
1079 else if(mompdg == 331) fhPrimEtaPtOrigin->Fill(pi0Pt,5.5);//eta prime
1080 else if(momstatus == 11 || momstatus == 12 ) fhPrimEtaPtOrigin->Fill(pi0Pt,3.5);//resonances
1081 else fhPrimEtaPtOrigin->Fill(pi0Pt,4.5);//stable, conversions?
1082 //printf("Other Meson pdg %d, Mother %s, pdg %d, status %d\n",pdg, TDatabasePDG::Instance()->GetParticle(mompdg)->GetName(),mompdg, momstatus );
1086 //Check if both photons hit Calorimeter
1087 if(prim->GetNDaughters()!=2) continue; //Only interested in 2 gamma decay
1088 Int_t iphot1=prim->GetFirstDaughter() ;
1089 Int_t iphot2=prim->GetLastDaughter() ;
1090 if(iphot1>-1 && iphot1<stack->GetNtrack() && iphot2>-1 && iphot2<stack->GetNtrack()){
1091 TParticle * phot1 = stack->Particle(iphot1) ;
1092 TParticle * phot2 = stack->Particle(iphot2) ;
1093 if(phot1 && phot2 && phot1->GetPdgCode()==22 && phot2->GetPdgCode()==22){
1094 //printf("2 photons: photon 1: pt %2.2f, phi %3.2f, eta %1.2f; photon 2: pt %2.2f, phi %3.2f, eta %1.2f\n",
1095 // phot1->Pt(), phot1->Phi()*180./3.1415, phot1->Eta(), phot2->Pt(), phot2->Phi()*180./3.1415, phot2->Eta());
1097 TLorentzVector lv1, lv2;
1098 phot1->Momentum(lv1);
1099 phot2->Momentum(lv2);
1100 Bool_t inacceptance = kFALSE;
1101 if(fCalorimeter == "PHOS"){
1102 if(GetPHOSGeometry() && GetCaloUtils()->IsPHOSGeoMatrixSet()){
1105 if(GetPHOSGeometry()->ImpactOnEmc(phot1,mod,z,x) && GetPHOSGeometry()->ImpactOnEmc(phot2,mod,z,x))
1106 inacceptance = kTRUE;
1107 if(GetDebug() > 2) printf("In %s Real acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1111 if(GetFiducialCut()->IsInFiducialCut(lv1,fCalorimeter) && GetFiducialCut()->IsInFiducialCut(lv2,fCalorimeter))
1112 inacceptance = kTRUE ;
1113 if(GetDebug() > 2) printf("In %s fiducial cut acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1117 else if(fCalorimeter == "EMCAL" && GetCaloUtils()->IsEMCALGeoMatrixSet()){
1118 if(GetEMCALGeometry()){
1123 GetEMCALGeometry()->GetAbsCellIdFromEtaPhi(phot1->Eta(),phot1->Phi(),absID1);
1124 GetEMCALGeometry()->GetAbsCellIdFromEtaPhi(phot2->Eta(),phot2->Phi(),absID2);
1126 if( absID1 >= 0 && absID2 >= 0)
1127 inacceptance = kTRUE;
1129 // if(GetEMCALGeometry()->Impact(phot1) && GetEMCALGeometry()->Impact(phot2))
1130 // inacceptance = kTRUE;
1131 if(GetDebug() > 2) printf("In %s Real acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1134 if(GetFiducialCut()->IsInFiducialCut(lv1,fCalorimeter) && GetFiducialCut()->IsInFiducialCut(lv2,fCalorimeter))
1135 inacceptance = kTRUE ;
1136 if(GetDebug() > 2) printf("In %s fiducial cut acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1142 fhPrimPi0AccPt ->Fill(pi0Pt) ;
1143 fhPrimPi0AccPhi->Fill(pi0Pt, phi) ;
1144 fhPrimPi0AccY ->Fill(pi0Pt, pi0Y) ;
1145 if(fFillAngleHisto){
1146 Double_t angle = lv1.Angle(lv2.Vect());
1147 fhPrimPi0OpeningAngle ->Fill(pi0Pt,angle);
1148 fhPrimPi0CosOpeningAngle->Fill(pi0Pt,TMath::Cos(angle));
1152 fhPrimEtaAccPt ->Fill(pi0Pt) ;
1153 fhPrimEtaAccPhi->Fill(pi0Pt, phi) ;
1154 fhPrimEtaAccY ->Fill(pi0Pt, pi0Y) ;
1158 }//Check daughters exist
1159 }// Primary pi0 or eta
1160 }//loop on primaries
1161 }//stack exists and data is MC
1163 else if(GetReader()->ReadAODMCParticles()){
1164 TClonesArray * mcparticles = GetReader()->GetAODMCParticles(0);
1166 Int_t nprim = mcparticles->GetEntriesFast();
1168 for(Int_t i=0; i < nprim; i++)
1170 AliAODMCParticle * prim = (AliAODMCParticle *) mcparticles->At(i);
1172 // Only generator particles, when they come from PYTHIA, PHOJET, HERWIG ...
1173 //if( prim->GetStatus() == 0 && (GetMCAnalysisUtils()->GetMCGenerator()).Length()!=0) break;
1175 Int_t pdg = prim->GetPdgCode();
1176 if( pdg == 111 || pdg == 221){
1177 Double_t pi0Pt = prim->Pt() ;
1178 //printf("pi0, pt %2.2f, eta %f, phi %f\n",pi0Pt, prim->Eta(), prim->Phi());
1179 if(prim->E() == TMath::Abs(prim->Pz())) continue ; //Protection against floating point exception
1181 Double_t pi0Y = 0.5*TMath::Log((prim->E()-prim->Pz())/(prim->E()+prim->Pz())) ;
1182 Double_t phi = TMath::RadToDeg()*prim->Phi() ;
1184 if(TMath::Abs(pi0Y) < 1){
1185 fhPrimPi0Pt->Fill(pi0Pt) ;
1186 fhPrimPi0Phi->Fill(pi0Pt, phi) ;
1188 fhPrimPi0Y ->Fill(pi0Pt, pi0Y) ;
1190 else if(pdg == 221){
1191 if(TMath::Abs(pi0Y) < 1){
1192 fhPrimEtaPt->Fill(pi0Pt) ;
1193 fhPrimEtaPhi->Fill(pi0Pt, phi) ;
1195 fhPrimEtaY ->Fill(pi0Pt, pi0Y) ;
1199 Int_t momindex = prim->GetMother();
1201 AliAODMCParticle* mother = (AliAODMCParticle *) mcparticles->At(momindex);
1202 Int_t mompdg = TMath::Abs(mother->GetPdgCode());
1203 Int_t momstatus = mother->GetStatus();
1205 if (momstatus == 21) fhPrimPi0PtOrigin->Fill(pi0Pt,0.5);//parton
1206 else if(mompdg < 22 ) fhPrimPi0PtOrigin->Fill(pi0Pt,1.5);//quark
1207 else if(mompdg > 2100 && mompdg < 2210) fhPrimPi0PtOrigin->Fill(pi0Pt,2.5);// resonances
1208 else if(mompdg == 221) fhPrimPi0PtOrigin->Fill(pi0Pt,8.5);//eta
1209 else if(mompdg == 331) fhPrimPi0PtOrigin->Fill(pi0Pt,9.5);//eta prime
1210 else if(mompdg == 213) fhPrimPi0PtOrigin->Fill(pi0Pt,4.5);//rho
1211 else if(mompdg == 223) fhPrimPi0PtOrigin->Fill(pi0Pt,5.5);//omega
1212 else if(mompdg >= 310 && mompdg <= 323) fhPrimPi0PtOrigin->Fill(pi0Pt,6.5);//k0S, k+-,k*
1213 else if(mompdg == 130) fhPrimPi0PtOrigin->Fill(pi0Pt,6.5);//k0L
1214 else if(momstatus == 11 || momstatus == 12 ) fhPrimPi0PtOrigin->Fill(pi0Pt,3.5);//resonances
1215 else fhPrimPi0PtOrigin->Fill(pi0Pt,7.5);//other?
1218 if (momstatus == 21 ) fhPrimEtaPtOrigin->Fill(pi0Pt,0.5);//parton
1219 else if(mompdg < 22 ) fhPrimEtaPtOrigin->Fill(pi0Pt,1.5);//quark
1220 else if(mompdg > 2100 && mompdg < 2210) fhPrimEtaPtOrigin->Fill(pi0Pt,2.5);//qq resonances
1221 else if(mompdg == 331) fhPrimEtaPtOrigin->Fill(pi0Pt,5.5);//eta prime
1222 else if(momstatus == 11 || momstatus == 12 ) fhPrimEtaPtOrigin->Fill(pi0Pt,3.5);//resonances
1223 else fhPrimEtaPtOrigin->Fill(pi0Pt,4.5);//stable, conversions?
1224 //printf("Other Meson pdg %d, Mother %s, pdg %d, status %d\n",pdg, TDatabasePDG::Instance()->GetParticle(mompdg)->GetName(),mompdg, momstatus );
1228 //Check if both photons hit Calorimeter
1229 if(prim->GetNDaughters()!=2) continue; //Only interested in 2 gamma decay
1230 Int_t iphot1=prim->GetDaughter(0) ;
1231 Int_t iphot2=prim->GetDaughter(1) ;
1232 if(iphot1>-1 && iphot1<nprim && iphot2>-1 && iphot2<nprim){
1233 AliAODMCParticle * phot1 = (AliAODMCParticle *) mcparticles->At(iphot1);
1234 AliAODMCParticle * phot2 = (AliAODMCParticle *) mcparticles->At(iphot2);
1235 if(phot1 && phot2 && phot1->GetPdgCode()==22 && phot2->GetPdgCode()==22){
1236 TLorentzVector lv1, lv2;
1237 lv1.SetPxPyPzE(phot1->Px(),phot1->Py(),phot1->Pz(),phot1->E());
1238 lv2.SetPxPyPzE(phot2->Px(),phot2->Py(),phot2->Pz(),phot2->E());
1240 Bool_t inacceptance = kFALSE;
1241 if(fCalorimeter == "PHOS"){
1242 if(GetPHOSGeometry() && GetCaloUtils()->IsPHOSGeoMatrixSet()){
1245 Double_t vtx []={phot1->Xv(),phot1->Yv(),phot1->Zv()};
1246 Double_t vtx2[]={phot2->Xv(),phot2->Yv(),phot2->Zv()};
1247 if(GetPHOSGeometry()->ImpactOnEmc(vtx, phot1->Theta(),phot1->Phi(),mod,z,x) &&
1248 GetPHOSGeometry()->ImpactOnEmc(vtx2,phot2->Theta(),phot2->Phi(),mod,z,x))
1249 inacceptance = kTRUE;
1250 if(GetDebug() > 2) printf("In %s Real acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1254 if(GetFiducialCut()->IsInFiducialCut(lv1,fCalorimeter) && GetFiducialCut()->IsInFiducialCut(lv2,fCalorimeter))
1255 inacceptance = kTRUE ;
1256 if(GetDebug() > 2) printf("In %s fiducial cut acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1260 else if(fCalorimeter == "EMCAL" && GetCaloUtils()->IsEMCALGeoMatrixSet()){
1261 if(GetEMCALGeometry()){
1266 GetEMCALGeometry()->GetAbsCellIdFromEtaPhi(phot1->Eta(),phot1->Phi(),absID1);
1267 GetEMCALGeometry()->GetAbsCellIdFromEtaPhi(phot2->Eta(),phot2->Phi(),absID2);
1269 if( absID1 >= 0 && absID2 >= 0)
1270 inacceptance = kTRUE;
1273 if(GetDebug() > 2) printf("In %s Real acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1276 if(GetFiducialCut()->IsInFiducialCut(lv1,fCalorimeter) && GetFiducialCut()->IsInFiducialCut(lv2,fCalorimeter))
1277 inacceptance = kTRUE ;
1278 if(GetDebug() > 2) printf("In %s fiducial cut acceptance? %d\n",fCalorimeter.Data(),inacceptance);
1284 // printf("ACCEPTED pi0: pt %2.2f, phi %3.2f, eta %1.2f\n",pi0Pt,phi,pi0Y);
1285 fhPrimPi0AccPt ->Fill(pi0Pt) ;
1286 fhPrimPi0AccPhi->Fill(pi0Pt, phi) ;
1287 fhPrimPi0AccY ->Fill(pi0Pt, pi0Y) ;
1288 if(fFillAngleHisto){
1289 Double_t angle = lv1.Angle(lv2.Vect());
1290 fhPrimPi0OpeningAngle ->Fill(pi0Pt,angle);
1291 fhPrimPi0CosOpeningAngle->Fill(pi0Pt,TMath::Cos(angle));
1295 fhPrimEtaAccPt ->Fill(pi0Pt) ;
1296 fhPrimEtaAccPhi->Fill(pi0Pt, phi) ;
1297 fhPrimEtaAccY ->Fill(pi0Pt, pi0Y) ;
1301 }//Check daughters exist
1302 }// Primary pi0 or eta
1303 }//loop on primaries
1304 }//stack exists and data is MC
1310 //_____________________________________________________________
1311 void AliAnaPi0::FillMCVersusRecDataHistograms(const Int_t index1, const Int_t index2,
1312 const Float_t pt1, const Float_t pt2,
1313 const Int_t ncell1, const Int_t ncell2,
1314 const Double_t mass, const Double_t pt, const Double_t asym,
1315 const Double_t deta, const Double_t dphi){
1316 //Do some MC checks on the origin of the pair, is there any common ancestor and if there is one, who?
1317 //Adjusted for Pythia, need to see what to do for other generators.
1318 //Array of histograms ordered as follows: 0-Photon, 1-electron, 2-pi0, 3-eta, 4-a-proton, 5-a-neutron, 6-stable particles,
1319 // 7-other decays, 8-string, 9-final parton, 10-initial parton, intermediate, 11-colliding proton, 12-unrelated
1322 Int_t ancStatus = 0;
1323 TLorentzVector ancMomentum;
1324 TVector3 prodVertex;
1325 Int_t ancLabel = GetMCAnalysisUtils()->CheckCommonAncestor(index1, index2,
1326 GetReader(), ancPDG, ancStatus,ancMomentum, prodVertex);
1328 Int_t momindex = -1;
1330 Int_t momstatus = -1;
1331 if(GetDebug() > 1) printf("AliAnaPi0::FillMCVersusRecDataHistograms() - Common ancestor label %d, pdg %d, name %s, status %d; \n",
1332 ancLabel,ancPDG,TDatabasePDG::Instance()->GetParticle(ancPDG)->GetName(),ancStatus);
1335 if(ancPDG==22){//gamma
1336 fhMCOrgMass[0]->Fill(pt,mass);
1337 fhMCOrgAsym[0]->Fill(pt,asym);
1338 fhMCOrgDeltaEta[0]->Fill(pt,deta);
1339 fhMCOrgDeltaPhi[0]->Fill(pt,dphi);
1341 else if(TMath::Abs(ancPDG)==11){//e
1342 fhMCOrgMass[1]->Fill(pt,mass);
1343 fhMCOrgAsym[1]->Fill(pt,asym);
1344 fhMCOrgDeltaEta[1]->Fill(pt,deta);
1345 fhMCOrgDeltaPhi[1]->Fill(pt,dphi);
1347 else if(ancPDG==111){//Pi0
1348 fhMCOrgMass[2]->Fill(pt,mass);
1349 fhMCOrgAsym[2]->Fill(pt,asym);
1350 fhMCOrgDeltaEta[2]->Fill(pt,deta);
1351 fhMCOrgDeltaPhi[2]->Fill(pt,dphi);
1352 if(fMultiCutAnaSim){
1353 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
1354 for(Int_t icell=0; icell<fNCellNCuts; icell++){
1355 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
1356 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
1357 if(pt1 > fPtCuts[ipt] && pt2 > fPtCuts[ipt] &&
1358 asym < fAsymCuts[iasym] &&
1359 ncell1 >= fCellNCuts[icell] && ncell2 >= fCellNCuts[icell]){
1360 fhMCPi0MassPtRec [index]->Fill(pt,mass);
1361 fhMCPi0MassPtTrue[index]->Fill(ancMomentum.Pt(),mass);
1362 if(mass < 0.17 && mass > 0.1) fhMCPi0PtTruePtRec[index]->Fill(ancMomentum.Pt(),pt);
1363 }//pass the different cuts
1364 }// pid bit cut loop
1367 }//Multi cut ana sim
1369 fhMCPi0MassPtTrue[0]->Fill(ancMomentum.Pt(),mass);
1370 if(mass < 0.17 && mass > 0.1) {
1371 fhMCPi0PtTruePtRec[0]->Fill(ancMomentum.Pt(),pt);
1373 if(GetReader()->ReadStack()){
1374 TParticle* ancestor = GetMCStack()->Particle(ancLabel);
1375 momindex = ancestor->GetFirstMother();
1376 if(momindex < 0) return;
1377 TParticle* mother = GetMCStack()->Particle(momindex);
1378 mompdg = TMath::Abs(mother->GetPdgCode());
1379 momstatus = mother->GetStatusCode();
1382 TClonesArray * mcparticles = GetReader()->GetAODMCParticles(0);
1383 AliAODMCParticle* ancestor = (AliAODMCParticle *) mcparticles->At(ancLabel);
1384 momindex = ancestor->GetMother();
1385 if(momindex < 0) return;
1386 AliAODMCParticle* mother = (AliAODMCParticle *) mcparticles->At(momindex);
1387 mompdg = TMath::Abs(mother->GetPdgCode());
1388 momstatus = mother->GetStatus();
1391 if (momstatus == 21) fhMCPi0PtOrigin->Fill(pt,0.5);//parton
1392 else if(mompdg < 22 ) fhMCPi0PtOrigin->Fill(pt,1.5);//quark
1393 else if(mompdg > 2100 && mompdg < 2210) fhMCPi0PtOrigin->Fill(pt,2.5);// resonances
1394 else if(mompdg == 221) fhMCPi0PtOrigin->Fill(pt,8.5);//eta
1395 else if(mompdg == 331) fhMCPi0PtOrigin->Fill(pt,9.5);//eta prime
1396 else if(mompdg == 213) fhMCPi0PtOrigin->Fill(pt,4.5);//rho
1397 else if(mompdg == 223) fhMCPi0PtOrigin->Fill(pt,5.5);//omega
1398 else if(mompdg >= 310 && mompdg <= 323) fhMCPi0PtOrigin->Fill(pt,6.5);//k0S, k+-,k*
1399 else if(mompdg == 130) fhMCPi0PtOrigin->Fill(pt,6.5);//k0L
1400 else if(momstatus == 11 || momstatus == 12 ) fhMCPi0PtOrigin->Fill(pt,3.5);//resonances
1401 else fhMCPi0PtOrigin->Fill(pt,7.5);//other?
1407 else if(ancPDG==221){//Eta
1408 fhMCOrgMass[3]->Fill(pt,mass);
1409 fhMCOrgAsym[3]->Fill(pt,asym);
1410 fhMCOrgDeltaEta[3]->Fill(pt,deta);
1411 fhMCOrgDeltaPhi[3]->Fill(pt,dphi);
1412 if(fMultiCutAnaSim){
1413 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
1414 for(Int_t icell=0; icell<fNCellNCuts; icell++){
1415 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
1416 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
1417 if(pt1 > fPtCuts[ipt] && pt2 > fPtCuts[ipt] &&
1418 asym < fAsymCuts[iasym] &&
1419 ncell1 >= fCellNCuts[icell] && ncell2 >= fCellNCuts[icell]){
1420 fhMCEtaMassPtRec [index]->Fill(pt,mass);
1421 fhMCEtaMassPtTrue[index]->Fill(ancMomentum.Pt(),mass);
1422 if(mass < 0.65 && mass > 0.45) fhMCEtaPtTruePtRec[index]->Fill(ancMomentum.Pt(),pt);
1423 }//pass the different cuts
1424 }// pid bit cut loop
1427 } //Multi cut ana sim
1429 fhMCEtaMassPtTrue[0]->Fill(ancMomentum.Pt(),mass);
1430 if(mass < 0.65 && mass > 0.45) fhMCEtaPtTruePtRec[0]->Fill(ancMomentum.Pt(),pt);
1432 if(GetReader()->ReadStack()){
1433 TParticle* ancestor = GetMCStack()->Particle(ancLabel);
1434 momindex = ancestor->GetFirstMother();
1435 if(momindex < 0) return;
1436 TParticle* mother = GetMCStack()->Particle(momindex);
1437 mompdg = TMath::Abs(mother->GetPdgCode());
1438 momstatus = mother->GetStatusCode();
1441 TClonesArray * mcparticles = GetReader()->GetAODMCParticles(0);
1442 AliAODMCParticle* ancestor = (AliAODMCParticle *) mcparticles->At(ancLabel);
1443 momindex = ancestor->GetMother();
1444 if(momindex < 0) return;
1445 AliAODMCParticle* mother = (AliAODMCParticle *) mcparticles->At(momindex);
1446 mompdg = TMath::Abs(mother->GetPdgCode());
1447 momstatus = mother->GetStatus();
1450 if (momstatus == 21 ) fhMCEtaPtOrigin->Fill(pt,0.5);//parton
1451 else if(mompdg < 22 ) fhMCEtaPtOrigin->Fill(pt,1.5);//quark
1452 else if(mompdg > 2100 && mompdg < 2210) fhMCEtaPtOrigin->Fill(pt,2.5);//qq resonances
1453 else if(mompdg == 331) fhMCEtaPtOrigin->Fill(pt,5.5);//eta prime
1454 else if(momstatus == 11 || momstatus == 12 ) fhMCEtaPtOrigin->Fill(pt,3.5);//resonances
1455 else fhMCEtaPtOrigin->Fill(pt,4.5);//stable, conversions?
1456 //printf("Other Meson pdg %d, Mother %s, pdg %d, status %d\n",pdg, TDatabasePDG::Instance()->GetParticle(mompdg)->GetName(),mompdg, momstatus );
1459 else if(ancPDG==-2212){//AProton
1460 fhMCOrgMass[4]->Fill(pt,mass);
1461 fhMCOrgAsym[4]->Fill(pt,asym);
1462 fhMCOrgDeltaEta[4]->Fill(pt,deta);
1463 fhMCOrgDeltaPhi[4]->Fill(pt,dphi);
1465 else if(ancPDG==-2112){//ANeutron
1466 fhMCOrgMass[5]->Fill(pt,mass);
1467 fhMCOrgAsym[5]->Fill(pt,asym);
1468 fhMCOrgDeltaEta[5]->Fill(pt,deta);
1469 fhMCOrgDeltaPhi[5]->Fill(pt,dphi);
1471 else if(TMath::Abs(ancPDG)==13){//muons
1472 fhMCOrgMass[6]->Fill(pt,mass);
1473 fhMCOrgAsym[6]->Fill(pt,asym);
1474 fhMCOrgDeltaEta[6]->Fill(pt,deta);
1475 fhMCOrgDeltaPhi[6]->Fill(pt,dphi);
1477 else if (TMath::Abs(ancPDG) > 100 && ancLabel > 7) {
1478 if(ancStatus==1){//Stable particles, converted? not decayed resonances
1479 fhMCOrgMass[6]->Fill(pt,mass);
1480 fhMCOrgAsym[6]->Fill(pt,asym);
1481 fhMCOrgDeltaEta[6]->Fill(pt,deta);
1482 fhMCOrgDeltaPhi[6]->Fill(pt,dphi);
1484 else{//resonances and other decays, more hadron conversions?
1485 fhMCOrgMass[7]->Fill(pt,mass);
1486 fhMCOrgAsym[7]->Fill(pt,asym);
1487 fhMCOrgDeltaEta[7]->Fill(pt,deta);
1488 fhMCOrgDeltaPhi[7]->Fill(pt,dphi);
1491 else {//Partons, colliding protons, strings, intermediate corrections
1492 if(ancStatus==11 || ancStatus==12){//String fragmentation
1493 fhMCOrgMass[8]->Fill(pt,mass);
1494 fhMCOrgAsym[8]->Fill(pt,asym);
1495 fhMCOrgDeltaEta[8]->Fill(pt,deta);
1496 fhMCOrgDeltaPhi[8]->Fill(pt,dphi);
1498 else if (ancStatus==21){
1499 if(ancLabel < 2) {//Colliding protons
1500 fhMCOrgMass[11]->Fill(pt,mass);
1501 fhMCOrgAsym[11]->Fill(pt,asym);
1502 fhMCOrgDeltaEta[11]->Fill(pt,deta);
1503 fhMCOrgDeltaPhi[11]->Fill(pt,dphi);
1504 }//colliding protons
1505 else if(ancLabel < 6){//partonic initial states interactions
1506 fhMCOrgMass[9]->Fill(pt,mass);
1507 fhMCOrgAsym[9]->Fill(pt,asym);
1508 fhMCOrgDeltaEta[9]->Fill(pt,deta);
1509 fhMCOrgDeltaPhi[9]->Fill(pt,dphi);
1511 else if(ancLabel < 8){//Final state partons radiations?
1512 fhMCOrgMass[10]->Fill(pt,mass);
1513 fhMCOrgAsym[10]->Fill(pt,asym);
1514 fhMCOrgDeltaEta[10]->Fill(pt,deta);
1515 fhMCOrgDeltaPhi[10]->Fill(pt,dphi);
1518 // printf("AliAnaPi0::FillMCVersusRecDataHistograms() - Check ** Common ancestor label %d, pdg %d, name %s, status %d; \n",
1519 // ancLabel,ancPDG,TDatabasePDG::Instance()->GetParticle(ancPDG)->GetName(),ancStatus);
1523 // printf("AliAnaPi0::FillMCVersusRecDataHistograms() - Check *** Common ancestor label %d, pdg %d, name %s, status %d; \n",
1524 // ancLabel,ancPDG,TDatabasePDG::Instance()->GetParticle(ancPDG)->GetName(),ancStatus);
1526 }////Partons, colliding protons, strings, intermediate corrections
1528 else { //ancLabel <= -1
1529 //printf("Not related at all label = %d\n",ancLabel);
1530 fhMCOrgMass[12]->Fill(pt,mass);
1531 fhMCOrgAsym[12]->Fill(pt,asym);
1532 fhMCOrgDeltaEta[12]->Fill(pt,deta);
1533 fhMCOrgDeltaPhi[12]->Fill(pt,dphi);
1537 //____________________________________________________________________________________________________________________________________________________
1538 void AliAnaPi0::CountAndGetAverages(Int_t &nClus,Int_t &nCell, Float_t &eClusTot,Float_t &eCellTot, Float_t &eDenClus,Float_t &eDenCell) {
1539 // Count the number of clusters and cells, deposited energy, and do some averages in case multiplicity bins dependent on such numbers
1541 if(fCalorimeter=="EMCAL"){
1542 nClus = GetEMCALClusters() ->GetEntriesFast();
1543 nCell = GetEMCALCells()->GetNumberOfCells();
1544 for(Int_t icl=0; icl < nClus; icl++) {
1545 Float_t e1 = ((AliVCluster*)GetEMCALClusters()->At(icl))->E();
1549 for(Int_t jce=0; jce < nCell; jce++) eCellTot += GetEMCALCells()->GetAmplitude(jce);
1552 nClus = GetPHOSClusters()->GetEntriesFast();
1553 nCell = GetPHOSCells() ->GetNumberOfCells();
1554 for(Int_t icl=0; icl < nClus; icl++) {
1555 Float_t e1 = ((AliVCluster*)GetPHOSClusters()->At(icl))->E();
1558 for(Int_t jce=0; jce < nCell; jce++) eCellTot += GetPHOSCells()->GetAmplitude(jce);
1561 printf("AliAnaPi0::MakeAnalysisFillHistograms() - # Clusters %d, sum cluster E per SM %f,# Cells %d, sum cell E per SM %f\n", nClus,eClusTot,nCell,eCellTot);
1563 //Fill histograms with "energy density", ncell and nclust will be > 0 since there are at least 2 "photons"
1564 eDenClus = eClusTot/nClus;
1565 eDenCell = eCellTot/nCell;
1566 fhEDensityCluster ->Fill(eDenClus);
1567 fhEDensityCell ->Fill(eDenCell);
1568 fhEDensityCellvsCluster->Fill(eDenClus, eDenCell);
1569 //Fill the average number of cells or clusters per SM
1570 eClusTot /=fNModules;
1571 eCellTot /=fNModules;
1572 fhAverTotECluster ->Fill(eClusTot);
1573 fhAverTotECell ->Fill(eCellTot);
1574 fhAverTotECellvsCluster->Fill(eClusTot, eCellTot);
1575 //printf("Average Cluster: E %f, density %f; Average Cell E %f, density %f\n ",eClusTot,eDenClus,eCellTot,eDenCell);
1578 //____________________________________________________________________________________________________________________________________________________
1579 void AliAnaPi0::MakeAnalysisFillHistograms()
1581 //Process one event and extract photons from AOD branch
1582 // filled with AliAnaPhoton and fill histos with invariant mass
1584 //In case of simulated data, fill acceptance histograms
1585 if(IsDataMC())FillAcceptanceHistograms();
1587 //if (GetReader()->GetEventNumber()%10000 == 0)
1588 // printf("--- Event %d ---\n",GetReader()->GetEventNumber());
1590 //Init some variables
1591 Int_t nPhot = GetInputAODBranch()->GetEntriesFast() ;
1594 Float_t eClusTot = 0;
1595 Float_t eCellTot = 0;
1596 Float_t eDenClus = 0;
1597 Float_t eDenCell = 0;
1599 if(GetNCentrBin() > 1 && (fUseAverCellEBins||fUseAverClusterEBins||fUseAverClusterEDenBins))
1600 CountAndGetAverages(nClus,nCell,eClusTot,eCellTot,eDenClus,eDenCell);
1604 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Photon entries %d\n", nPhot);
1606 //If less than photon 2 entries in the list, skip this event
1610 printf("AliAnaPi0::MakeAnalysisFillHistograms() - nPhotons %d, cent bin %d continue to next event\n",nPhot, GetEventCentrality());
1612 if(GetNCentrBin() > 1) fhCentralityNoPair->Fill(GetEventCentrality() * GetNCentrBin() / GetReader()->GetCentralityOpt());
1620 Double_t vert[] = {0.0, 0.0, 0.0} ; //vertex
1621 Int_t evtIndex1 = 0 ;
1622 Int_t currentEvtIndex = -1;
1623 Int_t curCentrBin = 0 ;
1624 Int_t curRPBin = 0 ;
1625 Int_t curZvertBin = 0 ;
1627 //Get shower shape information of clusters
1628 TObjArray *clusters = 0;
1629 if (fCalorimeter=="EMCAL") clusters = GetEMCALClusters();
1630 else if(fCalorimeter=="PHOS" ) clusters = GetPHOSClusters() ;
1632 //---------------------------------
1633 //First loop on photons/clusters
1634 //---------------------------------
1635 for(Int_t i1=0; i1<nPhot-1; i1++){
1636 AliAODPWG4Particle * p1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(i1)) ;
1637 //printf("AliAnaPi0::MakeAnalysisFillHistograms() : cluster1 id %d\n",p1->GetCaloLabel(0));
1639 // get the event index in the mixed buffer where the photon comes from
1640 // in case of mixing with analysis frame, not own mixing
1641 evtIndex1 = GetEventIndex(p1, vert) ;
1642 //printf("charge = %d\n", track->Charge());
1643 if ( evtIndex1 == -1 )
1645 if ( evtIndex1 == -2 )
1648 //printf("z vertex %f < %f\n",vert[2],GetZvertexCut());
1649 if(TMath::Abs(vert[2]) > GetZvertexCut()) continue ; //vertex cut
1652 //----------------------------------------------------------------------------
1653 // Get the multiplicity bin. Different cases: centrality (PbPb),
1654 // average cluster multiplicity, average cell multiplicity, track multiplicity
1655 // default is centrality bins
1656 //----------------------------------------------------------------------------
1657 if (evtIndex1 != currentEvtIndex) {
1658 if(fUseTrackMultBins){ // Track multiplicity bins
1659 //printf("track mult %d\n",GetTrackMultiplicity());
1660 curCentrBin = (GetTrackMultiplicity()-1)/5;
1661 if(curCentrBin > GetNCentrBin()-1) curCentrBin=GetNCentrBin()-1;
1662 //printf("track mult bin %d\n",curCentrBin);
1664 else if(fUsePhotonMultBins){ // Photon multiplicity bins
1665 //printf("photon mult %d cluster mult %d\n",nPhot, nClus);
1666 curCentrBin = nPhot-2;
1667 if(curCentrBin > GetNCentrBin() -1) curCentrBin=GetNCentrBin()-1;
1668 //printf("photon mult bin %d\n",curRPBin);
1670 else if(fUseAverClusterEBins){ // Cluster average energy bins
1671 //Bins for pp, if needed can be done in a more general way
1672 curCentrBin = (Int_t) eClusTot/10 * GetNCentrBin();
1673 if(curCentrBin > GetNCentrBin()-1) curCentrBin=GetNCentrBin()-1;
1674 //printf("cluster E average %f, bin %d \n",eClusTot,curCentrBin);
1676 else if(fUseAverCellEBins){ // Cell average energy bins
1677 //Bins for pp, if needed can be done in a more general way
1678 curCentrBin = (Int_t) eCellTot/10*GetNCentrBin();
1679 if(curCentrBin > GetNCentrBin()-1) curCentrBin=GetNCentrBin()-1;
1680 //printf("cell E average %f, bin %d \n",eCellTot,curCentrBin);
1682 else if(fUseAverClusterEDenBins){ // Energy density bins
1683 //Bins for pp, if needed can be done in a more general way
1684 curCentrBin = (Int_t) eDenClus/10*GetNCentrBin();
1685 if(curCentrBin > GetNCentrBin()-1) curCentrBin=GetNCentrBin()-1;
1686 //printf("cluster Eden average %f, bin %d \n",eDenClus,curCentrBin);
1688 else { //Event centrality
1689 // Centrality task returns at maximum 10, 20 or 100, depending on option chosen and
1690 // number of bins, the bin has to be corrected
1691 curCentrBin = GetEventCentrality() * GetNCentrBin() / GetReader()->GetCentralityOpt();
1692 if(GetDebug() > 0 )printf("AliAnaPi0::MakeAnalysisFillHistograms() - curCentrBin %d, centrality %d, n bins %d, max bin from centrality %d\n",
1693 curCentrBin, GetEventCentrality(), GetNCentrBin(), GetReader()->GetCentralityOpt());
1696 if (curCentrBin < 0 || curCentrBin >= GetNCentrBin()){
1698 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Centrality bin <%d> not expected, n bins <%d> , return\n",curCentrBin,GetNCentrBin());
1702 //Reaction plane bin
1704 if(GetNRPBin()>1 && GetEventPlane()){
1705 Float_t epAngle = GetEventPlane()->GetEventplane(GetEventPlaneMethod());
1706 fhEventPlaneAngle->Fill(epAngle);
1707 curRPBin = TMath::Nint(epAngle*(GetNRPBin()-1)/TMath::Pi());
1708 if(curRPBin >= GetNRPBin()) printf("RP Bin %d out of range %d\n",curRPBin,GetNRPBin());
1709 //printf("RP: %d, %f, angle %f, n bin %d\n", curRPBin,epAngle*(GetNRPBin()-1)/TMath::Pi(),epAngle,GetNRPBin());
1713 curZvertBin = (Int_t)(0.5*GetNZvertBin()*(vert[2]+GetZvertexCut())/GetZvertexCut()) ;
1715 //Fill event bin info
1716 fhEvents ->Fill(curCentrBin+0.5,curZvertBin+0.5,curRPBin+0.5) ;
1717 if(GetNCentrBin() > 1) {
1718 fhCentrality->Fill(curCentrBin);
1719 if(GetNRPBin() > 1 && GetEventPlane()) fhEventPlaneResolution->Fill(curCentrBin,TMath::Cos(2.*GetEventPlane()->GetQsubRes()));
1721 currentEvtIndex = evtIndex1 ;
1723 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Centrality %d, Vertex Bin %d, RP bin %d \n",curCentrBin,curRPBin,curZvertBin);
1726 //printf("AliAnaPi0::MakeAnalysisFillHistograms(): Photon 1 Evt %d Vertex : %f,%f,%f\n",evtIndex1, GetVertex(evtIndex1)[0] ,GetVertex(evtIndex1)[1],GetVertex(evtIndex1)[2]);
1728 //Get the momentum of this cluster
1729 TLorentzVector photon1(p1->Px(),p1->Py(),p1->Pz(),p1->E());
1731 //Get (Super)Module number of this cluster
1732 module1 = GetModuleNumber(p1);
1734 //------------------------------------------
1735 //Get index in VCaloCluster array
1736 AliVCluster *cluster1 = 0;
1737 Bool_t bFound1 = kFALSE;
1738 Int_t caloLabel1 = p1->GetCaloLabel(0);
1741 for(Int_t iclus = 0; iclus < clusters->GetEntriesFast(); iclus++){
1742 AliVCluster *cluster= dynamic_cast<AliVCluster*> (clusters->At(iclus));
1744 if (cluster->GetID()==caloLabel1) {
1752 }// calorimeter clusters loop
1754 //---------------------------------
1755 //Second loop on photons/clusters
1756 //---------------------------------
1757 for(Int_t i2=i1+1; i2<nPhot; i2++){
1758 AliAODPWG4Particle * p2 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(i2)) ;
1760 //In case of mixing frame, check we are not in the same event as the first cluster
1761 Int_t evtIndex2 = GetEventIndex(p2, vert) ;
1762 if ( evtIndex2 == -1 )
1764 if ( evtIndex2 == -2 )
1766 if (GetMixedEvent() && (evtIndex1 == evtIndex2))
1769 //------------------------------------------
1770 //Get index in VCaloCluster array
1771 AliVCluster *cluster2 = 0;
1772 Bool_t bFound2 = kFALSE;
1773 Int_t caloLabel2 = p2->GetCaloLabel(0);
1775 for(Int_t iclus = iclus1+1; iclus < clusters->GetEntriesFast(); iclus++){
1776 AliVCluster *cluster= dynamic_cast<AliVCluster*> (clusters->At(iclus));
1778 if(cluster->GetID()==caloLabel2) {
1784 }// calorimeter clusters loop
1789 if(cluster1 && bFound1){
1790 tof1 = cluster1->GetTOF()*1e9;
1791 l01 = cluster1->GetM02();
1793 // else printf("cluster1 not available: calo label %d / %d, cluster ID %d\n",
1794 // p1->GetCaloLabel(0),(GetReader()->GetInputEvent())->GetNumberOfCaloClusters()-1,cluster1->GetID());
1798 if(cluster2 && bFound2){
1799 tof2 = cluster2->GetTOF()*1e9;
1800 l02 = cluster2->GetM02();
1803 // else printf("cluster2 not available: calo label %d / %d, cluster ID %d\n",
1804 // p2->GetCaloLabel(0),(GetReader()->GetInputEvent())->GetNumberOfCaloClusters()-1,cluster2->GetID());
1807 Double_t t12diff = tof1-tof2;
1808 if(TMath::Abs(t12diff) > GetPairTimeCut()) continue;
1810 //------------------------------------------
1812 //printf("AliAnaPi0::MakeAnalysisFillHistograms(): Photon 2 Evt %d Vertex : %f,%f,%f\n",evtIndex2, GetVertex(evtIndex2)[0] ,GetVertex(evtIndex2)[1],GetVertex(evtIndex2)[2]);
1814 //Get the momentum of this cluster
1815 TLorentzVector photon2(p2->Px(),p2->Py(),p2->Pz(),p2->E());
1817 module2 = GetModuleNumber(p2);
1819 //---------------------------------
1820 // Get pair kinematics
1821 //---------------------------------
1822 Double_t m = (photon1 + photon2).M() ;
1823 Double_t pt = (photon1 + photon2).Pt();
1824 Double_t deta = photon1.Eta() - photon2.Eta();
1825 Double_t dphi = photon1.Phi() - photon2.Phi();
1826 Double_t a = TMath::Abs(p1->E()-p2->E())/(p1->E()+p2->E()) ;
1829 printf(" E: photon1 %f, photon2 %f; Pair: pT %f, mass %f, a %f\n", p1->E(), p2->E(), (photon1 + photon2).E(),m,a);
1831 //--------------------------------
1832 // Opening angle selection
1833 //--------------------------------
1834 //Check if opening angle is too large or too small compared to what is expected
1835 Double_t angle = photon1.Angle(photon2.Vect());
1836 if(fUseAngleEDepCut && !GetNeutralMesonSelection()->IsAngleInWindow((photon1+photon2).E(),angle+0.05)) {
1838 printf("AliAnaPi0::MakeAnalysisFillHistograms() -Real pair angle %f not in E %f window\n",angle, (photon1+photon2).E());
1842 if(fUseAngleCut && (angle < fAngleCut || angle > fAngleMaxCut)) {
1844 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Real pair cut %f < angle %f < cut %f\n",fAngleCut, angle, fAngleMaxCut);
1848 //-------------------------------------------------------------------------------------------------
1849 //Fill module dependent histograms, put a cut on assymmetry on the first available cut in the array
1850 //-------------------------------------------------------------------------------------------------
1851 if(a < fAsymCuts[0] && fFillSMCombinations){
1852 if(module1==module2 && module1 >=0 && module1<fNModules)
1853 fhReMod[module1]->Fill(pt,m) ;
1855 if(fCalorimeter=="EMCAL"){
1859 for(Int_t i = 0; i < fNModules/2; i++){
1861 if((module1==j && module2==j+1) || (module1==j+1 && module2==j)) fhReSameSectorEMCALMod[i]->Fill(pt,m) ;
1865 for(Int_t i = 0; i < fNModules-2; i++){
1866 if((module1==i && module2==i+2) || (module1==i+2 && module2==i)) fhReSameSideEMCALMod[i]->Fill(pt,m);
1870 if((module1==0 && module2==1) || (module1==1 && module2==0)) fhReDiffPHOSMod[0]->Fill(pt,m) ;
1871 if((module1==0 && module2==2) || (module1==2 && module2==0)) fhReDiffPHOSMod[1]->Fill(pt,m) ;
1872 if((module1==1 && module2==2) || (module1==2 && module2==1)) fhReDiffPHOSMod[2]->Fill(pt,m) ;
1876 //In case we want only pairs in same (super) module, check their origin.
1878 if(fSameSM && module1!=module2) ok=kFALSE;
1881 //Check if one of the clusters comes from a conversion
1882 if(fCheckConversion){
1883 if (p1->IsTagged() && p2->IsTagged()) fhReConv2->Fill(pt,m);
1884 else if(p1->IsTagged() || p2->IsTagged()) fhReConv ->Fill(pt,m);
1887 // Fill shower shape cut histograms
1888 if(fFillSSCombinations)
1890 if ( l01 > 0.01 && l01 < 0.4 &&
1891 l02 > 0.01 && l02 < 0.4 ) fhReSS[0]->Fill(pt,m); // Tight
1892 else if( l01 > 0.4 && l02 > 0.4 ) fhReSS[1]->Fill(pt,m); // Loose
1893 else if( l01 > 0.01 && l01 < 0.4 && l02 > 0.4 ) fhReSS[2]->Fill(pt,m); // Both
1894 else if( l02 > 0.01 && l02 < 0.4 && l01 > 0.4 ) fhReSS[2]->Fill(pt,m); // Both
1897 //Fill histograms for different bad channel distance, centrality, assymmetry cut and pid bit
1898 for(Int_t ipid=0; ipid<fNPIDBits; ipid++){
1899 if((p1->IsPIDOK(fPIDBits[ipid],AliCaloPID::kPhoton)) && (p2->IsPIDOK(fPIDBits[ipid],AliCaloPID::kPhoton))){
1900 for(Int_t iasym=0; iasym < fNAsymCuts; iasym++){
1901 if(a < fAsymCuts[iasym]){
1902 Int_t index = ((curCentrBin*fNPIDBits)+ipid)*fNAsymCuts + iasym;
1903 //printf("index %d :(cen %d * nPID %d + ipid %d)*nasym %d + iasym %d\n",index,curCentrBin,fNPIDBits,ipid,fNAsymCuts,iasym);
1904 fhRe1 [index]->Fill(pt,m);
1905 if(fMakeInvPtPlots)fhReInvPt1[index]->Fill(pt,m,1./pt) ;
1906 if(fFillBadDistHisto){
1907 if(p1->DistToBad()>0 && p2->DistToBad()>0){
1908 fhRe2 [index]->Fill(pt,m) ;
1909 if(fMakeInvPtPlots)fhReInvPt2[index]->Fill(pt,m,1./pt) ;
1910 if(p1->DistToBad()>1 && p2->DistToBad()>1){
1911 fhRe3 [index]->Fill(pt,m) ;
1912 if(fMakeInvPtPlots)fhReInvPt3[index]->Fill(pt,m,1./pt) ;
1915 }// Fill bad dist histos
1917 }// asymmetry cut loop
1921 //Fill histograms with opening angle
1922 if(fFillAngleHisto){
1923 fhRealOpeningAngle ->Fill(pt,angle);
1924 fhRealCosOpeningAngle->Fill(pt,TMath::Cos(angle));
1927 //Fill histograms with pair assymmetry
1928 if(fFillAsymmetryHisto){
1929 fhRePtAsym->Fill(pt,a);
1930 if(m > 0.10 && m < 0.17) fhRePtAsymPi0->Fill(pt,a);
1931 if(m > 0.45 && m < 0.65) fhRePtAsymEta->Fill(pt,a);
1934 //-------------------------------------------------------
1935 //Get the number of cells needed for multi cut analysis.
1936 //-------------------------------------------------------
1939 if(fMultiCutAna || (IsDataMC() && fMultiCutAnaSim)){
1941 AliVEvent * event = GetReader()->GetInputEvent();
1943 for(Int_t iclus = 0; iclus < event->GetNumberOfCaloClusters(); iclus++){
1944 AliVCluster *cluster = event->GetCaloCluster(iclus);
1947 if (fCalorimeter == "EMCAL" && GetReader()->IsEMCALCluster(cluster)) is = kTRUE;
1948 else if(fCalorimeter == "PHOS" && GetReader()->IsPHOSCluster (cluster)) is = kTRUE;
1951 if (p1->GetCaloLabel(0) == cluster->GetID()) ncell1 = cluster->GetNCells();
1952 else if (p2->GetCaloLabel(0) == cluster->GetID()) ncell2 = cluster->GetNCells();
1953 } // PHOS or EMCAL cluster as requested in analysis
1955 if(ncell2 > 0 && ncell1 > 0) break; // No need to continue the iteration
1958 //printf("e 1: %2.2f, e 2: %2.2f, ncells: n1 %d, n2 %d\n", p1->E(), p2->E(),ncell1,ncell2);
1965 //Do some MC checks on the origin of the pair, is there any common ancestor and if there is one, who?
1968 if(GetMCAnalysisUtils()->CheckTagBit(p1->GetTag(),AliMCAnalysisUtils::kMCConversion) &&
1969 GetMCAnalysisUtils()->CheckTagBit(p2->GetTag(),AliMCAnalysisUtils::kMCConversion))
1971 fhReMCFromConversion->Fill(pt,m);
1973 else if(!GetMCAnalysisUtils()->CheckTagBit(p1->GetTag(),AliMCAnalysisUtils::kMCConversion) &&
1974 !GetMCAnalysisUtils()->CheckTagBit(p2->GetTag(),AliMCAnalysisUtils::kMCConversion))
1976 fhReMCFromNotConversion->Fill(pt,m);
1980 fhReMCFromMixConversion->Fill(pt,m);
1983 FillMCVersusRecDataHistograms(p1->GetLabel(), p2->GetLabel(),p1->Pt(), p2->Pt(),ncell1, ncell2, m, pt, a,deta, dphi);
1986 //-----------------------
1987 //Multi cuts analysis
1988 //-----------------------
1990 //Histograms for different PID bits selection
1991 for(Int_t ipid=0; ipid<fNPIDBits; ipid++){
1993 if(p1->IsPIDOK(fPIDBits[ipid],AliCaloPID::kPhoton) &&
1994 p2->IsPIDOK(fPIDBits[ipid],AliCaloPID::kPhoton)) fhRePIDBits[ipid]->Fill(pt,m) ;
1996 //printf("ipt %d, ipid%d, name %s\n",ipt, ipid, fhRePtPIDCuts[ipt*fNPIDBitsBits+ipid]->GetName());
1997 } // pid bit cut loop
1999 //Several pt,ncell and asymmetry cuts
2000 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
2001 for(Int_t icell=0; icell<fNCellNCuts; icell++){
2002 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
2003 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
2004 if(p1->E() > fPtCuts[ipt] && p2->E() > fPtCuts[ipt] &&
2005 a < fAsymCuts[iasym] &&
2006 ncell1 >= fCellNCuts[icell] && ncell2 >= fCellNCuts[icell]){
2007 fhRePtNCellAsymCuts[index]->Fill(pt,m) ;
2008 //printf("ipt %d, icell%d, iasym %d, name %s\n",ipt, icell, iasym, fhRePtNCellAsymCuts[((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym]->GetName());
2009 if(fFillSMCombinations && module1==module2){
2010 fhRePtNCellAsymCutsSM[module1][index]->Fill(pt,m) ;
2013 }// pid bit cut loop
2016 if(GetHistogramRanges()->GetHistoTrackMultiplicityBins()){
2017 for(Int_t iasym = 0; iasym < fNAsymCuts; iasym++){
2018 if(a < fAsymCuts[iasym])fhRePtMult[iasym]->Fill(pt,GetTrackMultiplicity(),m) ;
2021 }// multiple cuts analysis
2023 }// second same event particle
2026 //-------------------------------------------------------------
2028 //-------------------------------------------------------------
2030 //printf("Cen bin %d, RP bin %d, e aver %f, mult %d\n",curCentrBin,curRPBin, eClusTot, nPhot);
2031 //Recover events in with same characteristics as the current event
2032 TList * evMixList=fEventsList[curCentrBin*GetNZvertBin()*GetNRPBin()+curZvertBin*GetNRPBin()+curRPBin] ;
2033 Int_t nMixed = evMixList->GetSize() ;
2034 for(Int_t ii=0; ii<nMixed; ii++){
2035 TClonesArray* ev2= (TClonesArray*) (evMixList->At(ii));
2036 Int_t nPhot2=ev2->GetEntriesFast() ;
2039 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Mixed event %d photon entries %d, centrality bin %d\n", ii, nPhot2, curCentrBin);
2041 //---------------------------------
2042 //First loop on photons/clusters
2043 //---------------------------------
2044 for(Int_t i1=0; i1<nPhot; i1++){
2045 AliAODPWG4Particle * p1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(i1)) ;
2046 if(fSameSM && GetModuleNumber(p1)!=module1) continue;
2048 //Get kinematics of cluster and (super) module of this cluster
2049 TLorentzVector photon1(p1->Px(),p1->Py(),p1->Pz(),p1->E());
2050 module1 = GetModuleNumber(p1);
2052 //---------------------------------
2053 //First loop on photons/clusters
2054 //---------------------------------
2055 for(Int_t i2=0; i2<nPhot2; i2++){
2056 AliAODPWG4Particle * p2 = (AliAODPWG4Particle*) (ev2->At(i2)) ;
2058 //Get kinematics of second cluster and calculate those of the pair
2059 TLorentzVector photon2(p2->Px(),p2->Py(),p2->Pz(),p2->E());
2060 m = (photon1+photon2).M() ;
2061 Double_t pt = (photon1 + photon2).Pt();
2062 Double_t a = TMath::Abs(p1->E()-p2->E())/(p1->E()+p2->E()) ;
2064 //Check if opening angle is too large or too small compared to what is expected
2065 Double_t angle = photon1.Angle(photon2.Vect());
2066 if(fUseAngleEDepCut && !GetNeutralMesonSelection()->IsAngleInWindow((photon1+photon2).E(),angle+0.05)){
2068 printf("AliAnaPi0::MakeAnalysisFillHistograms() -Mix pair angle %f not in E %f window\n",angle, (photon1+photon2).E());
2071 if(fUseAngleCut && (angle < fAngleCut || angle > fAngleMaxCut)) {
2073 printf("AliAnaPi0::MakeAnalysisFillHistograms() -Mix pair angle %f < cut %f\n",angle,fAngleCut);
2079 printf("AliAnaPi0::MakeAnalysisFillHistograms() - Mixed Event: pT: photon1 %2.2f, photon2 %2.2f; Pair: pT %2.2f, mass %2.3f, a %f2.3\n",
2080 p1->Pt(), p2->Pt(), pt,m,a);
2082 //In case we want only pairs in same (super) module, check their origin.
2083 module2 = GetModuleNumber(p2);
2085 //-------------------------------------------------------------------------------------------------
2086 //Fill module dependent histograms, put a cut on assymmetry on the first available cut in the array
2087 //-------------------------------------------------------------------------------------------------
2088 if(a < fAsymCuts[0] && fFillSMCombinations){
2089 if(module1==module2 && module1 >=0 && module1<fNModules)
2090 fhMiMod[module1]->Fill(pt,m) ;
2092 if(fCalorimeter=="EMCAL"){
2096 for(Int_t i = 0; i < fNModules/2; i++){
2098 if((module1==j && module2==j+1) || (module1==j+1 && module2==j)) fhMiSameSectorEMCALMod[i]->Fill(pt,m) ;
2102 for(Int_t i = 0; i < fNModules-2; i++){
2103 if((module1==i && module2==i+2) || (module1==i+2 && module2==i)) fhMiSameSideEMCALMod[i]->Fill(pt,m);
2107 if((module1==0 && module2==1) || (module1==1 && module2==0)) fhMiDiffPHOSMod[0]->Fill(pt,m) ;
2108 if((module1==0 && module2==2) || (module1==2 && module2==0)) fhMiDiffPHOSMod[1]->Fill(pt,m) ;
2109 if((module1==1 && module2==2) || (module1==2 && module2==1)) fhMiDiffPHOSMod[2]->Fill(pt,m) ;
2116 if(fSameSM && module1!=module2) ok=kFALSE;
2119 //Check if one of the clusters comes from a conversion
2120 if(fCheckConversion){
2121 if (p1->IsTagged() && p2->IsTagged()) fhMiConv2->Fill(pt,m);
2122 else if(p1->IsTagged() || p2->IsTagged()) fhMiConv ->Fill(pt,m);
2124 //Fill histograms for different bad channel distance, centrality, assymmetry cut and pid bit
2125 for(Int_t ipid=0; ipid<fNPIDBits; ipid++){
2126 if((p1->IsPIDOK(ipid,AliCaloPID::kPhoton)) && (p2->IsPIDOK(ipid,AliCaloPID::kPhoton))){
2127 for(Int_t iasym=0; iasym < fNAsymCuts; iasym++){
2128 if(a < fAsymCuts[iasym]){
2129 Int_t index = ((curCentrBin*fNPIDBits)+ipid)*fNAsymCuts + iasym;
2130 fhMi1 [index]->Fill(pt,m) ;
2131 if(fMakeInvPtPlots)fhMiInvPt1[index]->Fill(pt,m,1./pt) ;
2132 if(fFillBadDistHisto){
2133 if(p1->DistToBad()>0 && p2->DistToBad()>0){
2134 fhMi2 [index]->Fill(pt,m) ;
2135 if(fMakeInvPtPlots)fhMiInvPt2[index]->Fill(pt,m,1./pt) ;
2136 if(p1->DistToBad()>1 && p2->DistToBad()>1){
2137 fhMi3 [index]->Fill(pt,m) ;
2138 if(fMakeInvPtPlots)fhMiInvPt3[index]->Fill(pt,m,1./pt) ;
2141 }// Fill bad dist histo
2145 }//loop for histograms
2147 //-----------------------
2148 //Multi cuts analysis
2149 //-----------------------
2151 //Several pt,ncell and asymmetry cuts
2153 for(Int_t ipt=0; ipt<fNPtCuts; ipt++){
2154 for(Int_t icell=0; icell<fNCellNCuts; icell++){
2155 for(Int_t iasym=0; iasym<fNAsymCuts; iasym++){
2156 Int_t index = ((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym;
2157 if(p1->Pt() > fPtCuts[ipt] && p2->Pt() > fPtCuts[ipt] &&
2158 a < fAsymCuts[iasym] //&&
2159 //p1->GetBtag() >= fCellNCuts[icell] && p2->GetBtag() >= fCellNCuts[icell] // trick, correct it.
2161 fhMiPtNCellAsymCuts[index]->Fill(pt,m) ;
2162 //printf("ipt %d, icell%d, iasym %d, name %s\n",ipt, icell, iasym, fhRePtNCellAsymCuts[((ipt*fNCellNCuts)+icell)*fNAsymCuts + iasym]->GetName());
2164 }// pid bit cut loop
2169 //Fill histograms with opening angle
2170 if(fFillAngleHisto){
2171 fhMixedOpeningAngle ->Fill(pt,angle);
2172 fhMixedCosOpeningAngle->Fill(pt,TMath::Cos(angle));
2176 }// second cluster loop
2177 }//first cluster loop
2178 }//loop on mixed events
2180 //--------------------------------------------------------
2181 //Add the current event to the list of events for mixing
2182 //--------------------------------------------------------
2183 TClonesArray *currentEvent = new TClonesArray(*GetInputAODBranch());
2184 //Add current event to buffer and Remove redundant events
2185 if(currentEvent->GetEntriesFast()>0){
2186 evMixList->AddFirst(currentEvent) ;
2187 currentEvent=0 ; //Now list of particles belongs to buffer and it will be deleted with buffer
2188 if(evMixList->GetSize() >= GetNMaxEvMix())
2190 TClonesArray * tmp = (TClonesArray*) (evMixList->Last()) ;
2191 evMixList->RemoveLast() ;
2196 delete currentEvent ;
2203 //____________________________________________________________________________________________________________________________________________________
2204 Int_t AliAnaPi0::GetEventIndex(AliAODPWG4Particle * part, Double_t * vert)
2206 // retieves the event index and checks the vertex
2207 // in the mixed buffer returns -2 if vertex NOK
2208 // for normal events returns 0 if vertex OK and -1 if vertex NOK
2210 Int_t evtIndex = -1 ;
2211 if(GetReader()->GetDataType()!=AliCaloTrackReader::kMC){
2213 if (GetMixedEvent()){
2215 evtIndex = GetMixedEvent()->EventIndexForCaloCluster(part->GetCaloLabel(0)) ;
2216 GetVertex(vert,evtIndex);
2218 if(TMath::Abs(vert[2])> GetZvertexCut())
2219 evtIndex = -2 ; //Event can not be used (vertex, centrality,... cuts not fulfilled)
2220 } else {// Single event
2224 if(TMath::Abs(vert[2])> GetZvertexCut())
2225 evtIndex = -1 ; //Event can not be used (vertex, centrality,... cuts not fulfilled)