1 /**************************************************************************
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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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15 /* $Id: AliAnaPi0EbE.cxx 28688 2008-09-11 15:04:07Z gconesab $ */
17 //_________________________________________________________________________
18 // Class for the analysis of high pT pi0 event by event
19 // Pi0 identified by one of the following:
20 // -Invariant mass of 2 cluster in calorimeter
21 // -Shower shape analysis in calorimeter
22 // -Invariant mass of one cluster in calorimeter and one photon reconstructed in TPC (in near future)
24 // -- Author: Gustavo Conesa (LNF-INFN) & Raphaelle Ichou (SUBATECH)
25 //////////////////////////////////////////////////////////////////////////////
28 // --- ROOT system ---
30 #include <TClonesArray.h>
31 #include <TObjString.h>
33 //#include "Riostream.h"
35 // --- Analysis system ---
36 #include "AliAnaPi0EbE.h"
37 #include "AliCaloTrackReader.h"
38 #include "AliIsolationCut.h"
39 #include "AliNeutralMesonSelection.h"
40 #include "AliCaloPID.h"
41 #include "AliMCAnalysisUtils.h"
43 #include "AliFiducialCut.h"
44 #include "TParticle.h"
45 #include "AliAODCaloCluster.h"
46 #include "AliAODEvent.h"
47 #include "AliAODMCParticle.h"
49 ClassImp(AliAnaPi0EbE)
51 //____________________________________________________________________________
52 AliAnaPi0EbE::AliAnaPi0EbE() :
53 AliAnaPartCorrBaseClass(), fAnaType(kIMCalo),fCalorimeter(""),
54 fMinDist(0.),fMinDist2(0.),fMinDist3(0.),
55 fInputAODGammaConv(0x0),fInputAODGammaConvName(""),
56 fhPtPi0(0),fhPhiPi0(0),fhEtaPi0(0),
57 fhPtMCNoPi0(0),fhPhiMCNoPi0(0),fhEtaMCNoPi0(0),
58 fhPtMCPi0(0),fhPhiMCPi0(0),fhEtaMCPi0(0)
62 //Initialize parameters
67 //____________________________________________________________________________
68 AliAnaPi0EbE::AliAnaPi0EbE(const AliAnaPi0EbE & p) :
69 AliAnaPartCorrBaseClass(p), fAnaType(p.fAnaType), fCalorimeter(p.fCalorimeter),
70 fMinDist(p.fMinDist),fMinDist2(p.fMinDist2), fMinDist3(p.fMinDist3),
71 fInputAODGammaConv(new TClonesArray(*p.fInputAODGammaConv)),
72 fInputAODGammaConvName(p.fInputAODGammaConvName),
73 fhPtPi0(p.fhPtPi0),fhPhiPi0(p.fhPhiPi0),fhEtaPi0(p.fhEtaPi0),
74 fhPtMCNoPi0(p.fhPtMCNoPi0),fhPhiMCNoPi0(p.fhPhiMCNoPi0),fhEtaMCNoPi0(p.fhEtaMCNoPi0),
75 fhPtMCPi0(p.fhPtMCPi0),fhPhiMCPi0(p.fhPhiMCPi0),fhEtaMCPi0(p.fhEtaMCPi0)
80 //_________________________________________________________________________
81 AliAnaPi0EbE & AliAnaPi0EbE::operator = (const AliAnaPi0EbE & p)
83 // assignment operator
85 if(&p == this) return *this;
87 fAnaType = p.fAnaType ;
88 fCalorimeter = p.fCalorimeter ;
89 fMinDist = p.fMinDist;
90 fMinDist2 = p.fMinDist2;
91 fMinDist3 = p.fMinDist3;
93 fInputAODGammaConv = new TClonesArray(*p.fInputAODGammaConv) ;
94 fInputAODGammaConvName = p.fInputAODGammaConvName ;
96 fhPtPi0 = p.fhPtPi0; fhPhiPi0 = p.fhPhiPi0; fhEtaPi0 = p.fhEtaPi0;
97 fhPtMCNoPi0 = p.fhPtMCNoPi0; fhPhiMCNoPi0 = p.fhPhiMCNoPi0; fhEtaMCNoPi0 = p.fhEtaMCPi0;
98 fhPtMCPi0 = p.fhPtMCPi0; fhPhiMCPi0 = p.fhPhiMCPi0; fhEtaMCPi0 = p.fhEtaMCPi0;
104 //____________________________________________________________________________
105 AliAnaPi0EbE::~AliAnaPi0EbE()
108 if(fInputAODGammaConv){
109 fInputAODGammaConv->Clear() ;
110 delete fInputAODGammaConv ;
114 //________________________________________________________________________
115 TList * AliAnaPi0EbE::GetCreateOutputObjects()
117 // Create histograms to be saved in output file and
118 // store them in outputContainer
119 TList * outputContainer = new TList() ;
120 outputContainer->SetName("Pi0EbEHistos") ;
122 Int_t nptbins = GetHistoPtBins();
123 Int_t nphibins = GetHistoPhiBins();
124 Int_t netabins = GetHistoEtaBins();
125 Float_t ptmax = GetHistoPtMax();
126 Float_t phimax = GetHistoPhiMax();
127 Float_t etamax = GetHistoEtaMax();
128 Float_t ptmin = GetHistoPtMin();
129 Float_t phimin = GetHistoPhiMin();
130 Float_t etamin = GetHistoEtaMin();
132 fhPtPi0 = new TH1F("hPtPi0","Number of identified #pi^{0} decay",nptbins,ptmin,ptmax);
133 fhPtPi0->SetYTitle("N");
134 fhPtPi0->SetXTitle("p_{T #pi^{0}}(GeV/c)");
135 outputContainer->Add(fhPtPi0) ;
138 ("hPhiPi0","#phi_{#pi^{0}}",nptbins,ptmin,ptmax,nphibins,phimin,phimax);
139 fhPhiPi0->SetYTitle("#phi");
140 fhPhiPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
141 outputContainer->Add(fhPhiPi0) ;
144 ("hEtaPi0","#phi_{#pi^{0}}",nptbins,ptmin,ptmax,netabins,etamin,etamax);
145 fhEtaPi0->SetYTitle("#eta");
146 fhEtaPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
147 outputContainer->Add(fhEtaPi0) ;
150 if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) ||
151 GetReader()->GetDataType() != AliCaloTrackReader::kMC){
153 fhPtMCPi0 = new TH1F("hPtMCPi0","Identified pi0 from pi0",nptbins,ptmin,ptmax);
154 fhPtMCPi0->SetYTitle("N");
155 fhPtMCPi0->SetXTitle("p_{T #pi^{0}}(GeV/c)");
156 outputContainer->Add(fhPtMCPi0) ;
158 fhPhiMCPi0 = new TH2F
159 ("hPhiMCPi0","Identified pi0 from pi0",nptbins,ptmin,ptmax,nphibins,phimin,phimax);
160 fhPhiMCPi0->SetYTitle("#phi");
161 fhPhiMCPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
162 outputContainer->Add(fhPhiMCPi0) ;
164 fhEtaMCPi0 = new TH2F
165 ("hEtaMCPi0","Identified pi0 from pi0",nptbins,ptmin,ptmax,netabins,etamin,etamax);
166 fhEtaMCPi0->SetYTitle("#eta");
167 fhEtaMCPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
168 outputContainer->Add(fhEtaMCPi0) ;
170 fhPtMCNoPi0 = new TH1F("hPtMCNoPi0","Identified pi0 not from pi0",nptbins,ptmin,ptmax);
171 fhPtMCNoPi0->SetYTitle("N");
172 fhPtMCNoPi0->SetXTitle("p_{T #pi^{0}}(GeV/c)");
173 outputContainer->Add(fhPtMCNoPi0) ;
175 fhPhiMCNoPi0 = new TH2F
176 ("hPhiMCNoPi0","Identified pi0 not from pi0",nptbins,ptmin,ptmax,nphibins,phimin,phimax);
177 fhPhiMCNoPi0->SetYTitle("#phi");
178 fhPhiMCNoPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
179 outputContainer->Add(fhPhiMCNoPi0) ;
181 fhEtaMCNoPi0 = new TH2F
182 ("hEtaMCNoPi0","Identified pi0 not from pi0",nptbins,ptmin,ptmax,netabins,etamin,etamax);
183 fhEtaMCNoPi0->SetYTitle("#eta");
184 fhEtaMCNoPi0->SetXTitle("p_{T #pi^{0}} (GeV/c)");
185 outputContainer->Add(fhEtaMCNoPi0) ;
191 //Keep neutral meson selection histograms if requiered
192 //Setting done in AliNeutralMesonSelection
194 if(fAnaType!=kSSCalo && GetNeutralMesonSelection()){
196 TList * nmsHistos = GetNeutralMesonSelection()->GetCreateOutputObjects() ;
197 if(GetNeutralMesonSelection()->AreNeutralMesonSelectionHistosKept())
198 for(Int_t i = 0; i < nmsHistos->GetEntries(); i++) outputContainer->Add(nmsHistos->At(i)) ;
201 //Save parameters used for analysis
202 TString parList ; //this will be list of parameters used for this analysis.
205 sprintf(onePar,"--- AliAnaPi0EbE ---\n") ;
207 sprintf(onePar,"fAnaType=%d (Pi0 selection type) \n",fAnaType) ;
210 if(fAnaType == kSSCalo){
211 sprintf(onePar,"Calorimeter: %s\n",fCalorimeter.Data()) ;
213 sprintf(onePar,"fMinDist =%2.2f (Minimal distance to bad channel to accept cluster) \n",fMinDist) ;
215 sprintf(onePar,"fMinDist2=%2.2f (Cuts on Minimal distance to study acceptance evaluation) \n",fMinDist2) ;
217 sprintf(onePar,"fMinDist3=%2.2f (One more cut on distance used for acceptance-efficiency study) \n",fMinDist3) ;
221 //Get parameters set in base class.
222 parList += GetBaseParametersList() ;
224 //Get parameters set in PID class.
225 if(fAnaType == kSSCalo) parList += GetCaloPID()->GetPIDParametersList() ;
227 TObjString *oString= new TObjString(parList) ;
228 outputContainer->Add(oString);
230 return outputContainer ;
234 //__________________________________________________________________
235 void AliAnaPi0EbE::MakeAnalysisFillAOD()
237 //Do analysis and fill aods
242 MakeInvMassInCalorimeter();
246 MakeShowerShapeIdentification();
250 MakeInvMassInCalorimeterAndCTS();
256 //__________________________________________________________________
257 void AliAnaPi0EbE::MakeInvMassInCalorimeter()
259 //Do analysis and fill aods
260 //Search for the photon decay in calorimeters
261 //Read photon list from AOD, produced in class AliAnaPhoton
262 //Check if 2 photons have the mass of the pi0.
271 if(!GetInputAODBranch()){
272 printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - No input calo photons in AOD with name branch < %s >, STOP \n",GetInputAODName().Data());
275 for(Int_t iphoton = 0; iphoton < GetInputAODBranch()->GetEntriesFast(); iphoton++){
276 AliAODPWG4Particle * photon1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(iphoton));
277 mom1 = *(photon1->Momentum());
280 for(Int_t jphoton = iphoton+1; jphoton < GetInputAODBranch()->GetEntriesFast()-1; jphoton++){
282 AliAODPWG4Particle * photon2 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(jphoton));
283 mom2 = *(photon2->Momentum());
284 Int_t input = -1; //if -1 photons come from different files, not a pi0
285 if(photon1->GetInputFileIndex() == photon2->GetInputFileIndex()) input = photon1->GetInputFileIndex();
287 //Select good pair (good phi, pt cuts, aperture and invariant mass)
288 if(GetNeutralMesonSelection()->SelectPair(mom1, mom2))
291 printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - Selected gamma pair: pt %f, phi %f, eta%f \n",(mom1+mom2).Pt(), (mom1+mom2).Phi()*180./3.1416, (mom1+mom2).Eta());
293 //Play with the MC stack if available
295 //Check origin of the candidates
296 Int_t label1 = photon1->GetLabel();
297 Int_t label2 = photon2->GetLabel();
298 tag1 = GetMCAnalysisUtils()->CheckOrigin(label1, GetReader(), photon1->GetInputFileIndex());
299 tag2 = GetMCAnalysisUtils()->CheckOrigin(label2, GetReader(), photon2->GetInputFileIndex());
301 if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - Origin of: photon1 %d; photon2 %d \n",tag1, tag2);
302 if(GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCPi0Decay) && GetMCAnalysisUtils()->CheckTagBit(tag2,AliMCAnalysisUtils::kMCPi0Decay)){
304 //Check if pi0 mother is the same
305 if(GetReader()->ReadStack()){
306 TParticle * mother1 = GetMCStack()->Particle(label1);//photon in kine tree
307 label1 = mother1->GetFirstMother();
308 //mother1 = GetMCStack()->Particle(label1);//pi0
310 TParticle * mother2 = GetMCStack()->Particle(label2);//photon in kine tree
311 label2 = mother2->GetFirstMother();
312 //mother2 = GetMCStack()->Particle(label2);//pi0
314 else if(GetReader()->ReadAODMCParticles() && (input > -1)){
315 AliAODMCParticle * mother1 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon1->GetInputFileIndex()))->At(label1);//photon in kine tree
316 label1 = mother1->GetMother();
317 //mother1 = GetMCStack()->Particle(label1);//pi0
318 AliAODMCParticle * mother2 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon2->GetInputFileIndex()))->At(label2);//photon in kine tree
319 label2 = mother2->GetMother();
320 //mother2 = GetMCStack()->Particle(label2);//pi0
323 //printf("mother1 %d, mother2 %d\n",label1,label2);
325 GetMCAnalysisUtils()->SetTagBit(tag,AliMCAnalysisUtils::kMCPi0);
327 }//Work with stack also
329 //Create AOD for analysis
331 AliAODPWG4Particle pi0 = AliAODPWG4Particle(mom);
332 //pi0.SetLabel(calo->GetLabel(0));
333 pi0.SetPdg(AliCaloPID::kPi0);
334 pi0.SetDetector(photon1->GetDetector());
336 //Set the indeces of the original caloclusters
337 pi0.SetCaloLabel(photon1->GetCaloLabel(0), photon2->GetCaloLabel(0));
338 pi0.SetInputFileIndex(input);
345 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeter() - End fill AODs \n");
349 //__________________________________________________________________
350 void AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS()
352 //Do analysis and fill aods
353 //Search for the photon decay in calorimeters
354 //Read photon list from AOD, produced in class AliAnaPhoton and AliGammaConversion
355 //Check if 2 photons have the mass of the pi0.
364 if(!GetInputAODBranch()){
365 printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - No input calo photons in AOD branch with name < %s > , STOP\n",GetInputAODName().Data());
368 for(Int_t iphoton = 0; iphoton < GetInputAODBranch()->GetEntriesFast(); iphoton++){
369 AliAODPWG4Particle * photon1 = (AliAODPWG4Particle*) (GetInputAODBranch()->At(iphoton));
370 mom1 = *(photon1->Momentum());
372 //Play with the MC stack if available
373 fInputAODGammaConv = (TClonesArray *) GetReader()->GetOutputEvent()->FindListObject(fInputAODGammaConvName);
374 if(!fInputAODGammaConv) {
375 printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - No input gamma conversions in AOD branch with name < %s >, STOP\n",fInputAODGammaConvName.Data());
378 for(Int_t jphoton = iphoton+1; jphoton < fInputAODGammaConv->GetEntriesFast()-1; jphoton++){
379 AliAODPWG4Particle * photon2 = (AliAODPWG4Particle*) (fInputAODGammaConv->At(jphoton));
380 mom2 = *(photon2->Momentum());
382 Int_t input = -1; //if -1 photons come from different files, not a pi0
383 if(photon1->GetInputFileIndex() == photon2->GetInputFileIndex()) input = photon1->GetInputFileIndex();
385 //Select good pair (good phi, pt cuts, aperture and invariant mass)
386 if(GetNeutralMesonSelection()->SelectPair(mom1, mom2)){
387 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - Selected gamma pair: pt %f, phi %f, eta%f\n",(mom1+mom2).Pt(), (mom1+mom2).Phi()*180./3.1416, (mom1+mom2).Eta());
390 Int_t label1 = photon1->GetLabel();
391 Int_t label2 = photon2->GetLabel();
392 tag1 = GetMCAnalysisUtils()->CheckOrigin(label1, GetReader(), photon1->GetInputFileIndex());
393 tag2 = GetMCAnalysisUtils()->CheckOrigin(label2, GetReader(), photon2->GetInputFileIndex());
394 if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - Origin of: photon1 %d; photon2 %d \n",tag1, tag2);
395 if(GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCPi0Decay) && GetMCAnalysisUtils()->CheckTagBit(tag2,AliMCAnalysisUtils::kMCPi0Decay)){
396 //Check if pi0 mother is the same
398 if(GetReader()->ReadStack()){
399 TParticle * mother1 = GetMCStack()->Particle(label1);//photon in kine tree
400 label1 = mother1->GetFirstMother();
401 //mother1 = GetMCStack()->Particle(label1);//pi0
403 TParticle * mother2 = GetMCStack()->Particle(label2);//photon in kine tree
404 label2 = mother2->GetFirstMother();
405 //mother2 = GetMCStack()->Particle(label2);//pi0
407 else if(GetReader()->ReadAODMCParticles() && (input > -1)){
408 AliAODMCParticle * mother1 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon1->GetInputFileIndex()))->At(label1);//photon in kine tree
409 label1 = mother1->GetMother();
410 //mother1 = GetMCStack()->Particle(label1);//pi0
411 AliAODMCParticle * mother2 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(photon2->GetInputFileIndex()))->At(label2);//photon in kine tree
412 label2 = mother2->GetMother();
413 //mother2 = GetMCStack()->Particle(label2);//pi0
416 //printf("mother1 %d, mother2 %d\n",label1,label2);
418 GetMCAnalysisUtils()->SetTagBit(tag,AliMCAnalysisUtils::kMCPi0);
420 }//Work with stack also
422 //Create AOD for analysis
424 AliAODPWG4Particle pi0 = AliAODPWG4Particle(mom);
425 //pi0.SetLabel(calo->GetLabel(0));
426 pi0.SetPdg(AliCaloPID::kPi0);
427 pi0.SetDetector(photon1->GetDetector());
429 //Set the indeces of the original tracks or caloclusters
430 pi0.SetCaloLabel(photon1->GetCaloLabel(0), -1);
431 pi0.SetTrackLabel(photon2->GetTrackLabel(0), photon2->GetTrackLabel(1));
432 pi0.SetInputFileIndex(input);
439 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeInvMassInCalorimeterAndCTS() - End fill AODs \n");
444 //__________________________________________________________________
445 void AliAnaPi0EbE::MakeShowerShapeIdentification()
447 //Search for pi0 in fCalorimeter with shower shape analysis
449 TObjArray * pl = new TObjArray;
451 //Get vertex for photon momentum calculation
452 Double_t vertex[] = {0,0,0} ; //vertex
453 Double_t vertex2[] = {0,0,0} ; //vertex from second aod input
454 if(GetReader()->GetDataType() != AliCaloTrackReader::kMC)
456 GetReader()->GetVertex(vertex);
457 if(GetReader()->GetSecondInputAODTree()) GetReader()->GetSecondInputAODVertex(vertex2);
460 //Select the Calorimeter of the photon
461 if(fCalorimeter == "PHOS")
463 else if (fCalorimeter == "EMCAL")
465 //Fill AODCaloClusters and AODParticle with PHOS aods
467 for(Int_t icalo = 0; icalo < pl->GetEntriesFast(); icalo++){
468 AliAODCaloCluster * calo = (AliAODCaloCluster*) (pl->At(icalo));
470 //Cluster selection, not charged, with pi0 id and in fiducial cut
472 //Input from second AOD?
474 if (fCalorimeter == "EMCAL" && GetReader()->GetAODEMCALNormalInputEntries() <= icalo) input = 1 ;
475 else if(fCalorimeter == "PHOS" && GetReader()->GetAODPHOSNormalInputEntries() <= icalo) input = 1;
477 //Get Momentum vector,
478 if (input == 0) calo->GetMomentum(mom,vertex) ;//Assume that come from vertex in straight line
479 else if(input == 1) calo->GetMomentum(mom,vertex2);//Assume that come from vertex in straight line
481 //If too small or big pt, skip it
482 if(mom.Pt() < GetMinPt() || mom.Pt() > GetMaxPt() ) continue ;
483 //Check acceptance selection
484 if(IsFiducialCutOn()){
485 Bool_t in = GetFiducialCut()->IsInFiducialCut(mom,fCalorimeter) ;
489 //Create AOD for analysis
490 AliAODPWG4Particle aodpi0 = AliAODPWG4Particle(mom);
491 aodpi0.SetLabel(calo->GetLabel(0));
492 //Set the indeces of the original caloclusters
493 aodpi0.SetCaloLabel(calo->GetID(),-1);
494 aodpi0.SetDetector(fCalorimeter);
496 printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - FillAOD: Min pt cut and fiducial cut passed: pt %3.2f, phi %2.2f, eta %1.2f\n",aodpi0.Pt(),aodpi0.Phi(),aodpi0.Eta());
498 //Check Distance to Bad channel, set bit.
499 Double_t distBad=calo->GetDistToBadChannel() ; //Distance to bad channel
500 if(distBad < 0.) distBad=9999. ; //workout strange convension dist = -1. ;
501 if(distBad < fMinDist) //In bad channel (PHOS cristal size 2.2x2.2 cm)
504 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - FillAOD: Bad channel cut passed %4.2f\n",distBad);
506 if(distBad > fMinDist3) aodpi0.SetDistToBad(2) ;
507 else if(distBad > fMinDist2) aodpi0.SetDistToBad(1) ;
508 else aodpi0.SetDistToBad(0) ;
511 //PID selection or bit setting
512 if(GetReader()->GetDataType() == AliCaloTrackReader::kMC){
513 //Get most probable PID, check PID weights (in MC this option is mandatory)
514 aodpi0.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,calo->PID(),mom.E()));//PID with weights
516 printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - FillAOD: PDG of identified particle %d\n",aodpi0.GetPdg());
517 //If primary is not pi0, skip it.
518 if(aodpi0.GetPdg() != AliCaloPID::kPi0) continue ;
520 else if(IsCaloPIDOn()){
521 //Skip matched clusters with tracks
522 if(calo->GetNTracksMatched() > 0) continue ;
524 //Get most probable PID, 2 options check PID weights
525 //or redo PID, recommended option for EMCal.
526 if(!IsCaloPIDRecalculationOn())
527 aodpi0.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,calo->PID(),mom.E()));//PID with weights
529 aodpi0.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,mom,calo));//PID recalculated
531 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - PDG of identified particle %d\n",aodpi0.GetPdg());
533 //If cluster does not pass pid, not pi0, skip it.
534 if(aodpi0.GetPdg() != AliCaloPID::kPi0) continue ;
538 //Set PID bits for later selection (AliAnaPi0 for example)
539 //GetPDG already called in SetPIDBits.
540 GetCaloPID()->SetPIDBits(fCalorimeter,calo,&aodpi0);
541 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - PID Bits set \n");
544 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - Pi0 selection cuts passed: pT %3.2f, pdg %d\n",aodpi0.Pt(), aodpi0.GetPdg());
546 //Play with the MC stack if available
547 //Check origin of the candidates
549 if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) ||
550 GetReader()->GetDataType() != AliCaloTrackReader::kMC){
551 aodpi0.SetInputFileIndex(input);
553 tag = GetMCAnalysisUtils()->CheckOrigin(calo->GetLabel(0),GetReader(), aodpi0.GetInputFileIndex());
554 //GetMCAnalysisUtils()->CheckMultipleOrigin(calo->GetLabels(),calo->GetNLabel(), GetReader(), aodpi0.GetInputFileIndex(), tag);
556 if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - Origin of candidate %d\n",aodpi0.GetTag());
558 }//Work with stack also
560 //Add AOD with pi0 object to aod branch
561 AddAODParticle(aodpi0);
565 if(GetDebug() > 1) printf("AliAnaPi0EbE::MakeShowerShapeIdentification() - End fill AODs \n");
568 //__________________________________________________________________
569 void AliAnaPi0EbE::MakeAnalysisFillHistograms()
571 //Do analysis and fill histograms
573 if(!GetOutputAODBranch()){
574 printf("AliAnaPi0EbE::MakeAnalysisFillHistograms() - No output pi0 in AOD branch with name < %s >,STOP \n",GetOutputAODName().Data());
577 //Loop on stored AOD pi0
578 Int_t naod = GetOutputAODBranch()->GetEntriesFast();
579 if(GetDebug() > 0) printf("AliAnaPi0EbE::MakeAnalysisFillHistograms() - aod branch entries %d\n", naod);
581 for(Int_t iaod = 0; iaod < naod ; iaod++){
583 AliAODPWG4Particle* pi0 = (AliAODPWG4Particle*) (GetOutputAODBranch()->At(iaod));
584 Int_t pdg = pi0->GetPdg();
586 if(IsCaloPIDOn() && pdg != AliCaloPID::kPi0) continue;
588 //Fill pi0 histograms
589 Float_t pt = pi0->Pt();
590 Float_t phi = pi0->Phi();
591 Float_t eta = pi0->Eta();
594 fhPhiPi0 ->Fill(pt,phi);
595 fhEtaPi0 ->Fill(pt,eta);
598 if((GetReader()->GetDataType() == AliCaloTrackReader::kMC && fAnaType!=kSSCalo) ||
599 GetReader()->GetDataType() != AliCaloTrackReader::kMC){
600 if(GetMCAnalysisUtils()->CheckTagBit(pi0->GetTag(), AliMCAnalysisUtils::kMCPi0)){
601 fhPtMCPi0 ->Fill(pt);
602 fhPhiMCPi0 ->Fill(pt,phi);
603 fhEtaMCPi0 ->Fill(pt,eta);
606 fhPtMCNoPi0 ->Fill(pt);
607 fhPhiMCNoPi0 ->Fill(pt,phi);
608 fhEtaMCNoPi0 ->Fill(pt,eta);
611 }//Histograms with MC
618 //____________________________________________________________________________
619 void AliAnaPi0EbE::Init()
623 if(fCalorimeter == "PHOS" && !GetReader()->IsPHOSSwitchedOn()){
624 printf("AliAnaPi0EbE::Init() - !!STOP: You want to use PHOS in analysis but it is not read!! \n!!Check the configuration file!!\n");
627 else if(fCalorimeter == "EMCAL" && !GetReader()->IsEMCALSwitchedOn()){
628 printf("AliAnaPi0EbE::Init() - !!STOP: You want to use EMCAL in analysis but it is not read!! \n!!Check the configuration file!!\n");
634 //____________________________________________________________________________
635 void AliAnaPi0EbE::InitParameters()
637 //Initialize the parameters of the analysis.
638 SetOutputAODClassName("AliAODPWG4Particle");
639 SetOutputAODName("Pi0");
641 AddToHistogramsName("AnaPi0EbE_");
643 fInputAODGammaConvName = "gammaconv" ;
645 fCalorimeter = "EMCAL" ;
652 //__________________________________________________________________
653 void AliAnaPi0EbE::Print(const Option_t * opt) const
655 //Print some relevant parameters set for the analysis
659 printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ;
660 AliAnaPartCorrBaseClass::Print("");
661 printf("Analysis Type = %d \n", fAnaType) ;
662 if(fAnaType == kSSCalo){
663 printf("Calorimeter = %s\n", fCalorimeter.Data()) ;
664 printf("Min Distance to Bad Channel = %2.1f\n",fMinDist);
665 printf("Min Distance to Bad Channel 2 = %2.1f\n",fMinDist2);
666 printf("Min Distance to Bad Channel 3 = %2.1f\n",fMinDist3);