#include "AliV0Reader.h"\r
#include "AliAnalysisManager.h"\r
#include "AliESDInputHandler.h"\r
+#include "AliESDtrack.h"\r
#include "AliMCEvent.h"\r
#include "AliKFVertex.h"\r
\r
\r
\r
\r
- AliV0Reader::AliV0Reader() :\r
- TObject(),\r
- fMCStack(NULL),\r
- fMCTruth(NULL),\r
- fChain(NULL),\r
- fESDHandler(NULL),\r
- fESDEvent(NULL),\r
- fHistograms(NULL),\r
- fCurrentV0IndexNumber(0),\r
- fCurrentV0(NULL),\r
- fCurrentNegativeKFParticle(NULL),\r
- fCurrentPositiveKFParticle(NULL),\r
- fCurrentMotherKFCandidate(NULL),\r
- fCurrentNegativeESDTrack(NULL),\r
- fCurrentPositiveESDTrack(NULL),\r
- fNegativeTrackLorentzVector(NULL),\r
- fPositiveTrackLorentzVector(NULL),\r
- fMotherCandidateLorentzVector(NULL),\r
- fCurrentXValue(0),\r
- fCurrentYValue(0),\r
- fCurrentZValue(0),\r
- fPositiveTrackPID(0),\r
- fNegativeTrackPID(0),\r
- fNegativeMCParticle(NULL),\r
- fPositiveMCParticle(NULL),\r
- fMotherMCParticle(NULL),\r
- fMotherCandidateKFMass(0),\r
- fMotherCandidateKFWidth(0),\r
- fUseKFParticle(kTRUE),\r
- fUseESDTrack(kFALSE),\r
- fDoMC(kFALSE),\r
- fMaxR(10000),// 100 meter(outside of ALICE)\r
- fEtaCut(0.),\r
- fPtCut(0.),\r
- fChi2CutConversion(0.),\r
- fChi2CutMeson(0.),\r
- fPIDProbabilityCutNegativeParticle(0),\r
- fPIDProbabilityCutPositiveParticle(0),\r
- fXVertexCut(0.),\r
- fYVertexCut(0.),\r
- fZVertexCut(0.),\r
- fNSigmaMass(0.),\r
- fUseImprovedVertex(kFALSE),\r
- fCurrentEventGoodV0s(),\r
- fPreviousEventGoodV0s()\r
+AliV0Reader::AliV0Reader() :\r
+TObject(),\r
+ fMCStack(NULL),\r
+ fMCTruth(NULL),\r
+ fChain(NULL),\r
+ fESDHandler(NULL),\r
+ fESDEvent(NULL),\r
+ fHistograms(NULL),\r
+ fCurrentV0IndexNumber(0),\r
+ fCurrentV0(NULL),\r
+ fCurrentNegativeKFParticle(NULL),\r
+ fCurrentPositiveKFParticle(NULL),\r
+ fCurrentMotherKFCandidate(NULL),\r
+ fCurrentNegativeESDTrack(NULL),\r
+ fCurrentPositiveESDTrack(NULL),\r
+ fNegativeTrackLorentzVector(NULL),\r
+ fPositiveTrackLorentzVector(NULL),\r
+ fMotherCandidateLorentzVector(NULL),\r
+ fCurrentXValue(0),\r
+ fCurrentYValue(0),\r
+ fCurrentZValue(0),\r
+ fPositiveTrackPID(0),\r
+ fNegativeTrackPID(0),\r
+ fNegativeMCParticle(NULL),\r
+ fPositiveMCParticle(NULL),\r
+ fMotherMCParticle(NULL),\r
+ fMotherCandidateKFMass(0),\r
+ fMotherCandidateKFWidth(0),\r
+ fUseKFParticle(kTRUE),\r
+ fUseESDTrack(kFALSE),\r
+ fDoMC(kFALSE),\r
+ fMaxR(10000),// 100 meter(outside of ALICE)\r
+ fEtaCut(0.),\r
+ fPtCut(0.),\r
+ fLineCutZRSlope(0.),\r
+ fLineCutZValue(0.),\r
+ fChi2CutConversion(0.),\r
+ fChi2CutMeson(0.),\r
+ fPIDProbabilityCutNegativeParticle(0),\r
+ fPIDProbabilityCutPositiveParticle(0),\r
+ fXVertexCut(0.),\r
+ fYVertexCut(0.),\r
+ fZVertexCut(0.),\r
+ fNSigmaMass(0.),\r
+ fUseImprovedVertex(kFALSE),\r
+ fCurrentEventGoodV0s(),\r
+ fPreviousEventGoodV0s()\r
{\r
-\r
+ \r
}\r
\r
\r
fMaxR(original.fMaxR),\r
fEtaCut(original.fEtaCut),\r
fPtCut(original.fPtCut),\r
+ fLineCutZRSlope(original.fLineCutZRSlope),\r
+ fLineCutZValue(original.fLineCutZValue),\r
fChi2CutConversion(original.fChi2CutConversion),\r
fChi2CutMeson(original.fChi2CutMeson),\r
fPIDProbabilityCutNegativeParticle(original.fPIDProbabilityCutNegativeParticle),\r
fCurrentEventGoodV0s(original.fCurrentEventGoodV0s),\r
fPreviousEventGoodV0s(original.fPreviousEventGoodV0s)\r
{\r
-\r
+ \r
}\r
\r
\r
\r
void AliV0Reader::Initialize(){\r
//see header file for documentation\r
-\r
+ \r
// Get the input handler from the manager\r
fESDHandler = (AliESDInputHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());\r
if(fESDHandler == NULL){\r
//print warning here\r
}\r
- \r
+ \r
// Get pointer to esd event from input handler\r
fESDEvent = fESDHandler->GetEvent();\r
if(fESDEvent == NULL){\r
//print warning here\r
}\r
-\r
+ \r
//Get pointer to MCTruth\r
fMCTruth = (AliMCEventHandler*)((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());\r
if(fMCTruth == NULL){\r
//print warning here\r
}\r
-\r
+ \r
//Get pointer to the mc stack\r
fMCStack = fMCTruth->MCEvent()->Stack();\r
if(fMCStack == NULL){\r
//print warning here\r
}\r
-\r
+ \r
AliKFParticle::SetField(fESDEvent->GetMagneticField());\r
-\r
+ \r
}\r
\r
AliESDv0* AliV0Reader::GetV0(Int_t index){\r
//see header file for documentation\r
-\r
+ \r
fCurrentV0 = fESDEvent->GetV0(index);\r
UpdateV0Information();\r
return fCurrentV0;\r
}\r
+\r
Bool_t AliV0Reader::CheckForPrimaryVertex(){\r
return fESDEvent->GetPrimaryVertex()->GetNContributors()>0;\r
}\r
\r
+\r
+\r
Bool_t AliV0Reader::NextV0(){\r
//see header file for documentation\r
-\r
+ \r
Bool_t iResult=kFALSE;\r
while(fCurrentV0IndexNumber<fESDEvent->GetNumberOfV0s()){\r
fCurrentV0 = fESDEvent->GetV0(fCurrentV0IndexNumber);\r
- \r
+ \r
//checks if on the fly mode is set\r
if ( !fCurrentV0->GetOnFlyStatus() ){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut1",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutGetOnFly_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
-\r
- if(fESDEvent->GetPrimaryVertex()->GetNContributors()<=0) {//checks if we have a vertex\r
- fCurrentV0IndexNumber++;\r
+ \r
+ //checks if we have a prim vertex\r
+ if(fESDEvent->GetPrimaryVertex()->GetNContributors()<=0) { \r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut2",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutNContributors_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
-\r
+ \r
+ //Check the pid probability\r
if(CheckPIDProbability(fPIDProbabilityCutNegativeParticle,fPIDProbabilityCutPositiveParticle)==kFALSE){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut3",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutPIDProb_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
-\r
+ \r
+ \r
fCurrentV0->GetXYZ(fCurrentXValue,fCurrentYValue,fCurrentZValue);\r
- \r
+ \r
+ \r
if(GetXYRadius()>fMaxR){ // cuts on distance from collision point\r
+ if(fHistograms != NULL){\r
+ fHistograms->FillHistogram("ESD_CutR_InvMass",GetMotherCandidateMass());\r
+ }\r
fCurrentV0IndexNumber++;\r
+ continue;\r
+ } \r
+ \r
+ \r
+ if((TMath::Abs(fCurrentZValue)*fLineCutZRSlope)-fLineCutZValue > GetXYRadius() ){ // cuts out regions where we do not reconstruct\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut4",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutLine_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
+ continue;\r
+ } \r
+ \r
+ \r
+ if(UpdateV0Information() == kFALSE){\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
-\r
- UpdateV0Information();\r
- \r
+ \r
if(fUseKFParticle){\r
if(fCurrentMotherKFCandidate->GetNDF()<=0){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut5",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutNDF_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
+ \r
+ \r
Double_t chi2V0 = fCurrentMotherKFCandidate->GetChi2()/fCurrentMotherKFCandidate->GetNDF();\r
if(chi2V0 > fChi2CutConversion || chi2V0 <=0){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut6",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutChi2_InvMass",GetMotherCandidateMass());\r
}\r
- continue;\r
+ fCurrentV0IndexNumber++;\r
+ continue;\r
}\r
- \r
+ \r
+ \r
if(TMath::Abs(fMotherCandidateLorentzVector->Eta())> fEtaCut){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut7",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutEta_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
- \r
+ \r
+ \r
if(fMotherCandidateLorentzVector->Pt()<fPtCut){\r
- fCurrentV0IndexNumber++;\r
if(fHistograms != NULL){\r
- fHistograms->FillHistogram("V0MassDebugCut8",GetMotherCandidateMass());\r
+ fHistograms->FillHistogram("ESD_CutPt_InvMass",GetMotherCandidateMass());\r
}\r
+ fCurrentV0IndexNumber++;\r
continue;\r
}\r
+ \r
+ \r
}\r
else if(fUseESDTrack){\r
//TODO\r
}\r
\r
- iResult=kTRUE;//means we have a v0 who survived all the cuts applied\r
+ fCurrentEventGoodV0s.push_back(*fCurrentMotherKFCandidate);\r
\r
+ iResult=kTRUE;//means we have a v0 who survived all the cuts applied\r
+ \r
fCurrentV0IndexNumber++;\r
- \r
+ \r
break;\r
}\r
return iResult; \r
}\r
\r
-void AliV0Reader::UpdateV0Information(){\r
+Bool_t AliV0Reader::UpdateV0Information(){\r
//see header file for documentation\r
- \r
+\r
+ Bool_t iResult=kTRUE; // for taking out not refitted, kinks and like sign tracks \r
+\r
+ Bool_t switchTracks = kFALSE;\r
+ \r
+ fCurrentNegativeESDTrack = fESDEvent->GetTrack(fCurrentV0->GetNindex());\r
+ fCurrentPositiveESDTrack = fESDEvent->GetTrack(fCurrentV0->GetPindex());\r
+ \r
+ if(fCurrentNegativeESDTrack->GetSign() == fCurrentPositiveESDTrack->GetSign()){ // avoid like sign\r
+ iResult=kFALSE;\r
+ if(fHistograms != NULL){\r
+ fHistograms->FillHistogram("ESD_CutLikeSign_InvMass",GetMotherCandidateMass());\r
+ }\r
+ }\r
+ \r
+ if(fCurrentPositiveESDTrack->GetSign() == -1 && fCurrentNegativeESDTrack->GetSign() == 1){ // switch wrong signed tracks\r
+ fCurrentNegativeESDTrack = fESDEvent->GetTrack(fCurrentV0->GetPindex());\r
+ fCurrentPositiveESDTrack = fESDEvent->GetTrack(fCurrentV0->GetNindex());\r
+ switchTracks = kTRUE;\r
+ }\r
+\r
+ if( !(fCurrentNegativeESDTrack->GetStatus() & AliESDtrack::kTPCrefit) || \r
+ !(fCurrentPositiveESDTrack->GetStatus() & AliESDtrack::kTPCrefit) ){\r
+ // if( !(fCurrentNegativeESDTrack->GetStatus() & AliESDtrack::kITSrefit) || \r
+ // !(fCurrentPositiveESDTrack->GetStatus() & AliESDtrack::kITSrefit) ){\r
+ \r
+ iResult=kFALSE;\r
+ if(fHistograms != NULL){\r
+ fHistograms->FillHistogram("ESD_CutRefit_InvMass",GetMotherCandidateMass());\r
+ }\r
+ }\r
+ \r
+ \r
+ if( fCurrentNegativeESDTrack->GetKinkIndex(0) > 0 || \r
+ fCurrentPositiveESDTrack->GetKinkIndex(0) > 0) { \r
+ \r
+ iResult=kFALSE;\r
+ if(fHistograms != NULL){\r
+ fHistograms->FillHistogram("ESD_CutKink_InvMass",GetMotherCandidateMass());\r
+ }\r
+ }\r
+\r
+\r
+ \r
if(fCurrentNegativeKFParticle != NULL){\r
delete fCurrentNegativeKFParticle;\r
}\r
- fCurrentNegativeKFParticle = new AliKFParticle(*(fCurrentV0->GetParamN()),fNegativeTrackPID);\r
- \r
+ if(switchTracks == kFALSE){\r
+ fCurrentNegativeKFParticle = new AliKFParticle(*(fCurrentV0->GetParamN()),fNegativeTrackPID);\r
+ }\r
+ else{\r
+ fCurrentNegativeKFParticle = new AliKFParticle(*(fCurrentV0->GetParamP()),fNegativeTrackPID);\r
+ }\r
+\r
if(fCurrentPositiveKFParticle != NULL){\r
delete fCurrentPositiveKFParticle;\r
}\r
- fCurrentPositiveKFParticle = new AliKFParticle(*(fCurrentV0->GetParamP()),fPositiveTrackPID);\r
+ if(switchTracks == kFALSE){\r
+ fCurrentPositiveKFParticle = new AliKFParticle(*(fCurrentV0->GetParamP()),fPositiveTrackPID);\r
+ }\r
+ else{\r
+ fCurrentPositiveKFParticle = new AliKFParticle(*(fCurrentV0->GetParamN()),fPositiveTrackPID);\r
+ }\r
\r
if(fCurrentMotherKFCandidate != NULL){\r
delete fCurrentMotherKFCandidate;\r
}\r
fCurrentMotherKFCandidate = new AliKFParticle(*fCurrentNegativeKFParticle,*fCurrentPositiveKFParticle);\r
\r
- fCurrentNegativeESDTrack = fESDEvent->GetTrack(fCurrentV0->GetNindex());\r
-\r
- fCurrentPositiveESDTrack = fESDEvent->GetTrack(fCurrentV0->GetPindex());\r
\r
if(fPositiveTrackPID==-11 && fNegativeTrackPID==11){\r
fCurrentMotherKFCandidate->SetMassConstraint(0,fNSigmaMass);\r
}\r
-\r
+ \r
+ \r
+ \r
+ \r
if(fUseImprovedVertex == kTRUE){\r
AliKFVertex primaryVertexImproved(*GetPrimaryVertex());\r
primaryVertexImproved+=*fCurrentMotherKFCandidate;\r
fCurrentMotherKFCandidate->SetProductionVertex(primaryVertexImproved);\r
}\r
-\r
+ \r
fCurrentMotherKFCandidate->GetMass(fMotherCandidateKFMass,fMotherCandidateKFWidth);\r
-\r
-\r
+ \r
+ \r
if(fNegativeTrackLorentzVector != NULL){\r
delete fNegativeTrackLorentzVector;\r
}\r
else if(fUseESDTrack){\r
fNegativeTrackLorentzVector = new TLorentzVector(fCurrentNegativeESDTrack->Px(),fCurrentNegativeESDTrack->Py(),fCurrentNegativeESDTrack->Pz());\r
}\r
-\r
+ \r
if(fPositiveTrackLorentzVector != NULL){\r
delete fPositiveTrackLorentzVector;\r
}\r
else if(fUseESDTrack){\r
fPositiveTrackLorentzVector = new TLorentzVector(fCurrentPositiveESDTrack->Px(),fCurrentPositiveESDTrack->Py(),fCurrentPositiveESDTrack->Pz());\r
}\r
-\r
+ \r
if(fMotherCandidateLorentzVector != NULL){\r
delete fMotherCandidateLorentzVector;\r
}\r
else if(fUseESDTrack){\r
fMotherCandidateLorentzVector = new TLorentzVector(*fNegativeTrackLorentzVector + *fPositiveTrackLorentzVector);\r
}\r
-\r
+ \r
if(fPositiveTrackPID==-11 && fNegativeTrackPID==11){\r
fMotherCandidateLorentzVector->SetXYZM(fMotherCandidateLorentzVector->Px() ,fMotherCandidateLorentzVector->Py(),fMotherCandidateLorentzVector->Pz(),0.); \r
}\r
\r
+ \r
if(fDoMC == kTRUE){\r
fMotherMCParticle= NULL;\r
fNegativeMCParticle = fMCStack->Particle(TMath::Abs(fESDEvent->GetTrack(fCurrentV0->GetNindex())->GetLabel()));\r
fMotherMCParticle = fMCStack->Particle(fPositiveMCParticle->GetMother(0));\r
}\r
}\r
- fCurrentEventGoodV0s.push_back(*fCurrentMotherKFCandidate);\r
+ \r
+ // if(iResult==kTRUE){\r
+ // fCurrentEventGoodV0s.push_back(*fCurrentMotherKFCandidate); // moved it to NextV0() after all the cuts are applied\r
+ // }\r
+\r
+ return iResult;\r
}\r
\r
+\r
+\r
Bool_t AliV0Reader::HasSameMCMother(){\r
//see header file for documentation\r
-\r
+ \r
Bool_t iResult = kFALSE;\r
if(fDoMC == kTRUE){\r
if(fNegativeMCParticle != NULL && fPositiveMCParticle != NULL){\r
\r
Bool_t AliV0Reader::CheckPIDProbability(Double_t negProbCut, Double_t posProbCut){\r
//see header file for documentation\r
-\r
+ \r
Bool_t iResult=kFALSE;\r
-\r
+ \r
Double_t *posProbArray = new Double_t[10];\r
Double_t *negProbArray = new Double_t[10];\r
AliESDtrack* negTrack = fESDEvent->GetTrack(fCurrentV0->GetNindex());\r
AliESDtrack* posTrack = fESDEvent->GetTrack(fCurrentV0->GetPindex());\r
- \r
+ \r
negTrack->GetTPCpid(negProbArray);\r
posTrack->GetTPCpid(posProbArray);\r
-\r
+ \r
if(negProbArray!=NULL && posProbArray!=NULL){\r
if(negProbArray[GetSpeciesIndex(-1)]>=negProbCut && posProbArray[GetSpeciesIndex(1)]>=posProbCut){\r
iResult=kTRUE;\r
}\r
\r
void AliV0Reader::GetPIDProbability(Double_t &negPIDProb,Double_t & posPIDProb){\r
-\r
+ \r
Double_t *posProbArray = new Double_t[10];\r
Double_t *negProbArray = new Double_t[10];\r
AliESDtrack* negTrack = fESDEvent->GetTrack(fCurrentV0->GetNindex());\r
AliESDtrack* posTrack = fESDEvent->GetTrack(fCurrentV0->GetPindex());\r
- \r
+ \r
negTrack->GetTPCpid(negProbArray);\r
posTrack->GetTPCpid(posProbArray);\r
-\r
+ \r
if(negProbArray!=NULL && posProbArray!=NULL){\r
negPIDProb = negProbArray[GetSpeciesIndex(-1)];\r
posPIDProb = posProbArray[GetSpeciesIndex(1)];\r
\r
void AliV0Reader::UpdateEventByEventData(){\r
//see header file for documentation\r
-\r
+ \r
if(fCurrentEventGoodV0s.size() >0 ){\r
- fPreviousEventGoodV0s.clear();\r
- fPreviousEventGoodV0s = fCurrentEventGoodV0s;\r
+ // fPreviousEventGoodV0s.clear();\r
+ // fPreviousEventGoodV0s = fCurrentEventGoodV0s;\r
+ if(fPreviousEventGoodV0s.size()>19){\r
+ for(UInt_t nCurrent=0;nCurrent<fCurrentEventGoodV0s.size();nCurrent++){\r
+ fPreviousEventGoodV0s.erase(fPreviousEventGoodV0s.begin());\r
+ fPreviousEventGoodV0s.push_back(fCurrentEventGoodV0s.at(nCurrent));\r
+ }\r
+ }\r
+ else{\r
+ for(UInt_t nCurrent=0;nCurrent<fCurrentEventGoodV0s.size();nCurrent++){\r
+ if(fPreviousEventGoodV0s.size()<20){\r
+ fPreviousEventGoodV0s.push_back(fCurrentEventGoodV0s.at(nCurrent));\r
+ }\r
+ else{\r
+ fPreviousEventGoodV0s.erase(fPreviousEventGoodV0s.begin());\r
+ fPreviousEventGoodV0s.push_back(fCurrentEventGoodV0s.at(nCurrent));\r
+ }\r
+ }\r
+ }\r
}\r
fCurrentEventGoodV0s.clear();\r
- \r
+ \r
fCurrentV0IndexNumber=0;\r
}\r
\r
+\r
Double_t AliV0Reader::GetNegativeTrackPhi() const{\r
//see header file for documentation\r
-\r
+ \r
Double_t offset=0;\r
if(fNegativeTrackLorentzVector->Phi()> TMath::Pi()){\r
offset = -2*TMath::Pi();\r
\r
Double_t AliV0Reader::GetPositiveTrackPhi() const{\r
//see header file for documentation\r
-\r
+ \r
Double_t offset=0;\r
if(fPositiveTrackLorentzVector->Phi()> TMath::Pi()){\r
offset = -2*TMath::Pi();\r
\r
Double_t AliV0Reader::GetMotherCandidatePhi() const{\r
//see header file for documentation\r
-\r
+ \r
Double_t offset=0;\r
if(fMotherCandidateLorentzVector->Phi()> TMath::Pi()){\r
offset = -2*TMath::Pi();\r
return fMotherCandidateLorentzVector->Phi()+offset;\r
}\r
\r
-Int_t AliV0Reader::GetSpeciesIndex(Int_t chargeOfTrack){\r
+\r
+Double_t AliV0Reader::GetMotherCandidateRapidity() const{\r
//see header file for documentation\r
+ \r
+ Double_t rapidity=0;\r
+ if(fMotherCandidateLorentzVector->Energy() - fMotherCandidateLorentzVector->Pz() == 0 || fMotherCandidateLorentzVector->Energy() + fMotherCandidateLorentzVector->Pz() == 0) rapidity=0;\r
+ else rapidity = 0.5*(TMath::Log((fMotherCandidateLorentzVector->Energy() + fMotherCandidateLorentzVector->Pz()) / (fMotherCandidateLorentzVector->Energy()-fMotherCandidateLorentzVector->Pz())));\r
+ return rapidity;\r
+ \r
+}\r
+\r
\r
- Int_t iResult = 10; // Unknown particle\r
\r
+\r
+\r
+Int_t AliV0Reader::GetSpeciesIndex(Int_t chargeOfTrack){\r
+ //see header file for documentation\r
+ \r
+ Int_t iResult = 10; // Unknown particle\r
+ \r
if(chargeOfTrack==-1){ //negative track\r
switch(abs(fNegativeTrackPID)){\r
case 11: //electron\r
case 311: //K0\r
iResult = 8;\r
break;\r
- \r
+ \r
//Put in here for kSPECIES::kEleCon ????\r
}\r
}\r
case 311: //K0\r
iResult = 8;\r
break;\r
-\r
+ \r
//Put in here for kSPECIES::kEleCon ????\r
}\r
}\r
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff