#include "AliAODMCHeader.h"
#include "AliAODMCParticle.h"
#include "TChain.h"
+#include "AliESDtrackCuts.h"
+#include "AliESDVertex.h"
+#include "AliEventplane.h"
+#include "TProfile2D.h"
// STL includes
//#include <iostream>
Float_t AliAnalysisTaskVnV0::fgPsi3v0a=999.;
Float_t AliAnalysisTaskVnV0::fgPsi3v0c=999.;
Float_t AliAnalysisTaskVnV0::fgPsi3tpc=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi2v0aMC=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi2v0cMC=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi2tpcMC=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi3v0aMC=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi3v0cMC=999.;
+Float_t AliAnalysisTaskVnV0::fgPsi3tpcMC=999.;
//_____________________________________________________________________________
AliAnalysisTaskVnV0::AliAnalysisTaskVnV0():
fVtxCut(10.0), // cut on |vertex| < fVtxCut
fEtaCut(0.8), // cut on |eta| < fEtaCut
fMinPt(0.15), // cut on pt > fMinPt
+ fMinDistV0(0),
+ fMaxDistV0(100),
fV2(kTRUE),
fV3(kTRUE),
fIsMC(kFALSE),
fQAsw(kFALSE),
+ fIsAfter2011(kFALSE),
fRun(-1),
+ fNcluster(70),
fList(new TList()),
fList2(new TList()),
fList3(new TList()),
fContAllChargesMCCv3(NULL),
fFillDCA(kFALSE),
fContQApid(NULL),
- fModulationDEDx(kFALSE)
+ fModulationDEDx(kFALSE),
+ fZvtx(0.),
+ fNK0s(0),
+ fNpiPos(0),
+ fNpiNeg(0),
+ fHKsPhi(NULL),
+ fHKsPhiEP(NULL),
+ fHK0sMass(NULL),
+ fHK0sMass2(NULL),
+ fHK0vsLambda(NULL),
+ fHctauPtEP(NULL),
+ fHctauAt1EP(NULL),
+ fCutsDaughter(NULL)
{
// Default constructor (should not be used)
fList->SetName("resultsV2");
fList4->SetOwner(kTRUE);
fPID->SetNewTrackParam(); // Better tuning for TOF PID tracking effect in LHC10h
+
+ for(Int_t i=0;i < 1000;i++){
+ fPhiK0s[i] = 0.0;
+ fPtK0s[i] = 0.0;
+ fIPiPos[i] = 0;
+ fIPiNeg[i] = 0;
+ }
}
//______________________________________________________________________________
fVtxCut(10.0), // cut on |vertex| < fVtxCut
fEtaCut(0.8), // cut on |eta| < fEtaCut
fMinPt(0.15), // cut on pt > fMinPt
+ fMinDistV0(0),
+ fMaxDistV0(100),
fV2(kTRUE),
fV3(kTRUE),
fIsMC(kFALSE),
fQAsw(kFALSE),
+ fIsAfter2011(kFALSE),
fRun(-1),
+ fNcluster(70),
fList(new TList()),
fList2(new TList()),
fList3(new TList()),
fContAllChargesMCCv3(NULL),
fFillDCA(kFALSE),
fContQApid(NULL),
- fModulationDEDx(kFALSE)
+ fModulationDEDx(kFALSE),
+ fZvtx(0.),
+ fNK0s(0),
+ fNpiPos(0),
+ fNpiNeg(0),
+ fHKsPhi(NULL),
+ fHKsPhiEP(NULL),
+ fHK0sMass(NULL),
+ fHK0sMass2(NULL),
+ fHK0vsLambda(NULL),
+ fHctauPtEP(NULL),
+ fHctauAt1EP(NULL),
+ fCutsDaughter(NULL)
{
DefineOutput(1, TList::Class());
fList4->SetOwner(kTRUE);
fPID->SetNewTrackParam(); // Better tuning for TOF PID tracking effect in LHC10h
+
+ for(Int_t i=0;i < 1000;i++){
+ fPhiK0s[i] = 0.0;
+ fPtK0s[i] = 0.0;
+ fIPiPos[i] = 0;
+ fIPiNeg[i] = 0;
+ }
}
//_____________________________________________________________________________
AliAnalysisTaskVnV0::~AliAnalysisTaskVnV0()
// Container analyses (different steps mean different species)
const Int_t nPtBinsTOF = 45;
Double_t binsPtTOF[nPtBinsTOF+1] = {0., 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.25, 2.5, 2.75,3.0,3.25,3.5,3.75,4.0,4.5,5,5.5,6,6.5,7,8,9,10,12,15,20};
- const Int_t nCentrTOF = 9;
+ const Int_t nCentrTOF = nCentrBin;
const Int_t nPsiTOF = 10;
const Int_t nChargeBinsTOFres = 2;
- const Int_t nCentrTOFres = 9;
+ const Int_t nCentrTOFres = nCentrBin;
const Int_t nProbTOFres = 4;
const Int_t nPsiTOFres = 10;
const Int_t nMaskPID = 3;
// v2 container
fContAllChargesV0A = new AliFlowVZEROResults("v2A",6,binsTOF);
- fContAllChargesV0A->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesV0A->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesV0A->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesV0A->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesV0A->SetVarRange(3,-TMath::Pi()/2,TMath::Pi()/2); // Psi
if(fV2) fContAllChargesV0A->AddSpecies("t",nPtBinsTOF,binsPtTOF);
if(fV2) fContAllChargesV0A->AddSpecies("he3",nPtBinsTOF,binsPtTOF);
if(fV2) fContAllChargesV0A->AddSpecies("mu",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0A->AddSpecies("Ks",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0A->AddSpecies("Lambda",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0A->AddSpecies("pFromLambda",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0A->AddSpecies("piFromK",nPtBinsTOF,binsPtTOF);
fContAllChargesV0C = new AliFlowVZEROResults("v2C",6,binsTOF);
- fContAllChargesV0C->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesV0C->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesV0C->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesV0C->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesV0C->SetVarRange(3,-TMath::Pi()/2,TMath::Pi()/2); // Psi
if(fV2) fContAllChargesV0C->AddSpecies("t",nPtBinsTOF,binsPtTOF);
if(fV2) fContAllChargesV0C->AddSpecies("he3",nPtBinsTOF,binsPtTOF);
if(fV2) fContAllChargesV0C->AddSpecies("mu",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0C->AddSpecies("Ks",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0C->AddSpecies("Lambda",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0C->AddSpecies("pFromLambda",nPtBinsTOF,binsPtTOF);
+ if(fV2) fContAllChargesV0C->AddSpecies("piFromK",nPtBinsTOF,binsPtTOF);
fList->Add(fContAllChargesV0A);
fList->Add(fContAllChargesV0C);
+ fHctauPtEP = new TProfile2D("hctauPtEP","K^{0}_{s} decay length;p_{T} (GeV/#it{c});#Delta#phi (rad)",40,0,5,10,-TMath::Pi(),TMath::Pi());
+ fHctauAt1EP = new TH2F("hctauAt1EP","K^{0}_{s} decay length at 1 GeV/#it{c};c#tau (cm);#Delta#phi (rad)",50,0,50,10,-TMath::Pi(),TMath::Pi());
+ // added at the end
+
if(fIsMC && fV2){
fContAllChargesMC = new AliFlowVZEROResults("v2mc",5,binsTOFmc);
- fContAllChargesMC->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesMC->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesMC->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesMC->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesMC->SetVarRange(3,-TMath::Pi()/2,TMath::Pi()/2); // Psi
fList3->Add(fContAllChargesMC);
fContAllChargesMCA = new AliFlowVZEROResults("v2mcA",5,binsTOFmcPureMC);
- fContAllChargesMCA->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesMCA->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesMCA->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesMCA->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesMCA->SetVarRange(3,-TMath::Pi()/2,TMath::Pi()/2); // Psi
fList3->Add(fContAllChargesMCA);
fContAllChargesMCC = new AliFlowVZEROResults("v2mcC",5,binsTOFmcPureMC);
- fContAllChargesMCC->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesMCC->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesMCC->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesMCC->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesMCC->SetVarRange(3,-TMath::Pi()/2,TMath::Pi()/2); // Psi
// v3 container
fContAllChargesV0Av3 = new AliFlowVZEROResults("v3A",6,binsTOF);
- fContAllChargesV0Av3->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesV0Av3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesV0Av3->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesV0Av3->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesV0Av3->SetVarRange(3,-TMath::Pi()/3,TMath::Pi()/3); // Psi
if(fV3) fContAllChargesV0Av3->AddSpecies("t",nPtBinsTOF,binsPtTOF);
if(fV3) fContAllChargesV0Av3->AddSpecies("he3",nPtBinsTOF,binsPtTOF);
if(fV3) fContAllChargesV0Av3->AddSpecies("mu",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Av3->AddSpecies("Ks",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Av3->AddSpecies("Lambda",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Av3->AddSpecies("pFromLambda",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Av3->AddSpecies("piFromK",nPtBinsTOF,binsPtTOF);
fContAllChargesV0Cv3 = new AliFlowVZEROResults("v3C",6,binsTOF);
- fContAllChargesV0Cv3->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesV0Cv3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesV0Cv3->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesV0Cv3->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesV0Cv3->SetVarRange(3,-TMath::Pi()/3,TMath::Pi()/3); // Psi
if(fV3) fContAllChargesV0Cv3->AddSpecies("t",nPtBinsTOF,binsPtTOF);
if(fV3) fContAllChargesV0Cv3->AddSpecies("he3",nPtBinsTOF,binsPtTOF);
if(fV3) fContAllChargesV0Cv3->AddSpecies("mu",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Cv3->AddSpecies("Ks",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Cv3->AddSpecies("Lambda",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Cv3->AddSpecies("pFromLambda",nPtBinsTOF,binsPtTOF);
+ if(fV3) fContAllChargesV0Cv3->AddSpecies("piFromK",nPtBinsTOF,binsPtTOF);
fList2->Add(fContAllChargesV0Av3);
fList2->Add(fContAllChargesV0Cv3);
if(fIsMC && fV3){
fContAllChargesMCAv3 = new AliFlowVZEROResults("v3mcA",5,binsTOFmcPureMC);
- fContAllChargesMCAv3->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesMCAv3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesMCAv3->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesMCAv3->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesMCAv3->SetVarRange(3,-TMath::Pi()/3,TMath::Pi()/3); // Psi
fList3->Add(fContAllChargesMCAv3);
fContAllChargesMCCv3 = new AliFlowVZEROResults("v3mcC",5,binsTOFmcPureMC);
- fContAllChargesMCCv3->SetVarRange(0,-0.5,8.5); // centrality
+ fContAllChargesMCCv3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContAllChargesMCCv3->SetVarRange(1,-1.5,1.5); // charge
fContAllChargesMCCv3->SetVarRange(2,0.6,1.0001);// prob
fContAllChargesMCCv3->SetVarRange(3,-TMath::Pi()/3,TMath::Pi()/3); // Psi
// TProfile for resolutions 3 subevents (V0A, V0C, TPC)
// v2
- fHResTPCv0A2 = new TProfile("hResTPCv0A2","",9,0,9);
- fHResTPCv0C2 = new TProfile("hResTPCv0C2","",9,0,9);
- fHResv0Cv0A2 = new TProfile("hResv0Cv0A2","",9,0,9);
+ fHResTPCv0A2 = new TProfile("hResTPCv0A2","",nCentrBin,0,nCentrBin);
+ fHResTPCv0C2 = new TProfile("hResTPCv0C2","",nCentrBin,0,nCentrBin);
+ fHResv0Cv0A2 = new TProfile("hResv0Cv0A2","",nCentrBin,0,nCentrBin);
fList->Add(fHResTPCv0A2);
fList->Add(fHResTPCv0C2);
fList->Add(fHResv0Cv0A2);
// v3
- fHResTPCv0A3 = new TProfile("hResTPCv0A3","",9,0,9);
- fHResTPCv0C3 = new TProfile("hResTPCv0C3","",9,0,9);
- fHResv0Cv0A3 = new TProfile("hResv0Cv0A3","",9,0,9);
+ fHResTPCv0A3 = new TProfile("hResTPCv0A3","",nCentrBin,0,nCentrBin);
+ fHResTPCv0C3 = new TProfile("hResTPCv0C3","",nCentrBin,0,nCentrBin);
+ fHResv0Cv0A3 = new TProfile("hResv0Cv0A3","",nCentrBin,0,nCentrBin);
fList2->Add(fHResTPCv0A3);
fList2->Add(fHResTPCv0C3);
// MC as in the dataEP resolution (but using MC tracks)
if(fIsMC && fV3){
- fHResMA2 = new TProfile("hResMA2","",9,0,9);
- fHResMC2 = new TProfile("hResMC2","",9,0,9);
- fHResAC2 = new TProfile("hResAC2","",9,0,9);
+ fHResMA2 = new TProfile("hResMA2","",nCentrBin,0,nCentrBin);
+ fHResMC2 = new TProfile("hResMC2","",nCentrBin,0,nCentrBin);
+ fHResAC2 = new TProfile("hResAC2","",nCentrBin,0,nCentrBin);
fList3->Add(fHResMA2);
fList3->Add(fHResMC2);
fList3->Add(fHResAC2);
}
if(fIsMC && fV3){
- fHResMA3 = new TProfile("hResMA3","",9,0,9);
- fHResMC3 = new TProfile("hResMC3","",9,0,9);
- fHResAC3 = new TProfile("hResAC3","",9,0,9);
+ fHResMA3 = new TProfile("hResMA3","",nCentrBin,0,nCentrBin);
+ fHResMC3 = new TProfile("hResMC3","",nCentrBin,0,nCentrBin);
+ fHResAC3 = new TProfile("hResAC3","",nCentrBin,0,nCentrBin);
fList3->Add(fHResMA3);
fList3->Add(fHResMC3);
fList3->Add(fHResAC3);
// V0A and V0C event plane distributions
//v2
- fPhiRPv0A = new TH2F("fPhiRPv0Av2","#phi distribution of EP VZERO-A;centrality;#phi (rad)",9,0,9,nPsiTOF,-TMath::Pi()/2,TMath::Pi()/2);
- fPhiRPv0C = new TH2F("fPhiRPv0Cv2","#phi distribution of EP VZERO-C;centrality;#phi (rad)",9,0,9,nPsiTOF,-TMath::Pi()/2,TMath::Pi()/2);
+ fPhiRPv0A = new TH2F("fPhiRPv0Av2","#phi distribution of EP VZERO-A;centrality;#phi (rad)",nCentrBin,0,nCentrBin,nPsiTOF,-TMath::Pi()/2,TMath::Pi()/2);
+ fPhiRPv0C = new TH2F("fPhiRPv0Cv2","#phi distribution of EP VZERO-C;centrality;#phi (rad)",nCentrBin,0,nCentrBin,nPsiTOF,-TMath::Pi()/2,TMath::Pi()/2);
//v3
- fPhiRPv0Av3 = new TH2F("fPhiRPv0Av3","#phi distribution of EP VZERO-A;centrality;#phi (rad)",9,0,9,nPsiTOF,-TMath::Pi()/3,TMath::Pi()/3);
- fPhiRPv0Cv3 = new TH2F("fPhiRPv0Cv3","#phi distribution of EP VZERO-C;centrality;#phi (rad)",9,0,9,nPsiTOF,-TMath::Pi()/3,TMath::Pi()/3);
+ fPhiRPv0Av3 = new TH2F("fPhiRPv0Av3","#phi distribution of EP VZERO-A;centrality;#phi (rad)",nCentrBin,0,nCentrBin,nPsiTOF,-TMath::Pi()/3,TMath::Pi()/3);
+ fPhiRPv0Cv3 = new TH2F("fPhiRPv0Cv3","#phi distribution of EP VZERO-C;centrality;#phi (rad)",nCentrBin,0,nCentrBin,nPsiTOF,-TMath::Pi()/3,TMath::Pi()/3);
// QA container
// v2
fQA = new AliFlowVZEROQA("v2AQA",5,binsQA);
- fQA->SetVarRange(0,-0.5,8.5); // centrality
+ fQA->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fQA->SetVarRange(1,0,7); // pt
fQA->SetVarRange(2,0.,1.0001);// prob
fQA->SetVarRange(3,-TMath::Pi(),TMath::Pi()); // Psi
// fQA->AddSpecies("he3",nDETsignal,binDETsignal,nDETsignal,binDETsignal);
fQA2 = new AliFlowVZEROQA("v2CQA",5,binsQA);
- fQA2->SetVarRange(0,-0.5,8.5); // centrality
+ fQA2->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fQA2->SetVarRange(1,0,7); // pt
fQA2->SetVarRange(2,0.,1.0001);// prob
fQA2->SetVarRange(3,-TMath::Pi(),TMath::Pi()); // Psi
// fQA2->AddSpecies("he3",nDETsignal,binDETsignal,nDETsignal,binDETsignal);
fQAv3 = new AliFlowVZEROQA("v3AQA",5,binsQAv3);
- fQAv3->SetVarRange(0,-0.5,8.5); // centrality
+ fQAv3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fQAv3->SetVarRange(1,0,7); // pt
fQAv3->SetVarRange(2,0.,1.0001);// prob
fQAv3->SetVarRange(3,-TMath::Pi(),TMath::Pi()); // Psi
// fQAv3->AddSpecies("he3",nDETsignal,binDETsignal,nDETsignal,binDETsignal);
fQA2v3 = new AliFlowVZEROQA("v3CQA",5,binsQAv3);
- fQA2v3->SetVarRange(0,-0.5,8.5); // centrality
+ fQA2v3->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fQA2v3->SetVarRange(1,0,7); // pt
fQA2v3->SetVarRange(2,0.,1.0001);// prob
fQA2v3->SetVarRange(3,-TMath::Pi(),TMath::Pi()); // Psi
nsigmaQA[i] = -10 + 20.0*i/nbinsigma;
}
fContQApid = new AliFlowVZEROResults("qaPID",nBinQApid,binQApid);
- fContQApid->SetVarRange(0,-0.5,8.5); // centrality
+ fContQApid->SetVarRange(0,-0.5,nCentrBin-0.5); // centrality
fContQApid->SetVarRange(1,0,20); // charge
fContQApid->SetVarName(0,"centrality");
fContQApid->SetVarName(1,"p_{t}");
printf("Output creation ok!!\n\n\n\n");
+ fList->Add(fHctauPtEP);
+ fList->Add(fHctauAt1EP);
+
+ fHKsPhi = new TH2D("hKsPhi","K^{0}_{s} #phi distributuion;v_{z} (cm);#phi (rad)",20,-10,10,20,0,2*TMath::Pi());
+ fList->Add(fHKsPhi);
+ fHKsPhiEP = new TH2D("hKsPhiEP","EP V0C #phi distributuion;v_{z} (cm);#phi (rad)",20,-10,10,20,0,2*TMath::Pi());
+ fList->Add(fHKsPhiEP);
+
+ fHK0sMass = new TH2D("hK0sMass","K^{0}_{s} mass;p_{T} (GeV/#it{c});mass (GeV/#it{c}^{2})",20,0,5,400,0,1);
+ fList->Add(fHK0sMass);
+ fHK0sMass2 = new TH2D("hK0sMass2","K^{0}_{s} mass using secondary vertex;p_{T} (GeV/#it{c});mass (GeV/#it{c}^{2})",20,0,5,400,0,1);
+ fList->Add(fHK0sMass2);
+
+ fHK0vsLambda= new TH2D("hK0vsLambda",";K^{0} mass;#Lambda mass",100,0,1,100,0.5,1.5);
+ fList->Add(fHK0vsLambda);
+
// Post output data.
if(fV2) PostData(1, fList);
if(fV3) PostData(2, fList2);
fgPsi3v0a=999.;
fgPsi3v0c=999.;
fgPsi3tpc=999.;
+ fgPsi2v0aMC=999.;
+ fgPsi2v0cMC=999.;
+ fgPsi2tpcMC=999.;
+ fgPsi3v0aMC=999.;
+ fgPsi3v0cMC=999.;
+ fgPsi3tpcMC=999.;
fOutputAOD = dynamic_cast<AliAODEvent*>(InputEvent());
if(!fOutputAOD){
if(run != fRun){
// Load the calibrations run dependent
- OpenInfoCalbration(run);
- fRun=run;
+ if(! fIsAfter2011) OpenInfoCalbration(run);
+ fRun=run;
}
- Float_t zvtx = GetVertex(fOutputAOD);
+ fZvtx = GetVertex(fOutputAOD);
*/
- if (TMath::Abs(zvtx) < fVtxCut) {
+ if (TMath::Abs(fZvtx) < fVtxCut) {
//Centrality
Float_t v0Centr = -10.;
Float_t trkCentr = -10.;
AliCentrality *centrality = fOutputAOD->GetCentrality();
if (centrality){
- v0Centr = centrality->GetCentralityPercentile("V0M");
- trkCentr = centrality->GetCentralityPercentile("TRK");
+// printf("v0centr = %f -- tpccnetr%f\n",centrality->GetCentralityPercentile("V0M"),centrality->GetCentralityPercentile("TRK"));
+ v0Centr = centrality->GetCentralityPercentile("V0M");
+ trkCentr = centrality->GetCentralityPercentile("TRK");
+ //changed
}
- if(TMath::Abs(v0Centr - trkCentr) < 5.0){ // consistency cut on centrality selection
+ if(TMath::Abs(v0Centr - trkCentr) < 5.0 && v0Centr > 0){ // consistency cut on centrality selection
fPID->SetDetResponse(fOutputAOD, v0Centr); // Set the PID object for each event!!!!
Analyze(fOutputAOD,v0Centr); // Do analysis!!!!
//________________________________________________________________________
void AliAnalysisTaskVnV0::Analyze(AliAODEvent* aodEvent, Float_t v0Centr)
{
+
+ Int_t nusedForK0s=0;
+ AliAODTrack *usedForK0s1[1000];
+ AliAODTrack *usedForK0s2[1000];
+
Float_t mass[8] = {5.10998909999999971e-04, 1.05658000000000002e-01, 1.39570000000000000e-01, 4.93676999999999977e-01, 9.38271999999999995e-01,1.87783699999999998,2.81740199999999996,1.40805449999999999};
// Event plane resolution for v2
0.446480,0.612705,0.712222,0.736200,0.697907,0.610114,0.481009,0.327402,0.182277};// V0C vs. centrality
Int_t iC = -1;
- if (v0Centr >0 && v0Centr < 80){ // analysis only for 0-80% centrality classes
-
+ if (v0Centr < 80){ // analysis only for 0-80% centrality classes
+ // if (v0Centr >0 && v0Centr < 80){ // analysis only for 0-80% centrality classes
+ // changed
fgIsPsiComputed = kTRUE;
// centrality bins
else if(v0Centr < 60) iC = 6;
else if(v0Centr < 70) iC = 7;
else iC = 8;
-
+
+ Int_t iCcal = iC;
+
+/*
+ if(nCentrBin==16){
+ iC = v0Centr/5;
+ if(iC >= nCentrBin) iC = nCentrBin-1;
+ }
+
+ // centrality bins
+ // changed
+ if(v0Centr < 10 + 10./9) iC = 0;
+ else if(v0Centr < 10 + 20./9) iC = 1;
+ else if(v0Centr < 10 + 30./9) iC = 2;
+ else if(v0Centr < 10 + 40./9) iC = 3;
+ else if(v0Centr < 10 + 50./9) iC = 4;
+ else if(v0Centr < 10 + 60./9) iC = 5;
+ else if(v0Centr < 10 + 70./9) iC = 6;
+ else if(v0Centr < 10 + 90./9) iC = 7;
+ else if(v0Centr < 10 + 100./9) iC = 8;
+ else if(v0Centr < 10 + 110./9) iC = 9;
+ else if(v0Centr < 10 + 120./9) iC = 10;
+ else if(v0Centr < 10 + 130./9) iC = 11;
+ else if(v0Centr < 10 + 140./9) iC = 12;
+ else if(v0Centr < 10 + 150./9) iC = 13;
+ else if(v0Centr < 10 + 160./9) iC = 14;
+ else if(v0Centr < 10 + 170./9) iC = 15;
+ else iC = 16;
+ if(iC >= nCentrBin) iC= nCentrBin - 1;
+*/
+
//reset Q vector info
Double_t Qxa2 = 0, Qya2 = 0;
Double_t Qxc2 = 0, Qyc2 = 0;
fHResMA2->Fill(Double_t(iC), TMath::Cos(2*(EvPlaneMCV2[2]-EvPlaneMCV2[0])));
fHResMC2->Fill(Double_t(iC), TMath::Cos(2*(EvPlaneMCV2[2]-EvPlaneMCV2[1])));
fHResAC2->Fill(Double_t(iC), TMath::Cos(2*(EvPlaneMCV2[0]-EvPlaneMCV2[1])));
+ fgPsi2v0aMC = EvPlaneMCV2[0];
+ fgPsi2v0cMC = EvPlaneMCV2[1];
+ fgPsi2tpcMC = EvPlaneMCV2[2];
}
if(fV3){
EvPlaneMCV3[0] = TMath::ATan2(QyMCv3[0],QxMCv3[0])/3.;
fHResMA3->Fill(Double_t(iC), TMath::Cos(3*(EvPlaneMCV3[2]-EvPlaneMCV3[0])));
fHResMC3->Fill(Double_t(iC), TMath::Cos(3*(EvPlaneMCV3[2]-EvPlaneMCV3[1])));
fHResAC3->Fill(Double_t(iC), TMath::Cos(3*(EvPlaneMCV3[0]-EvPlaneMCV3[1])));
+ fgPsi3v0aMC = EvPlaneMCV3[0];
+ fgPsi3v0cMC = EvPlaneMCV3[1];
+ fgPsi3tpcMC = EvPlaneMCV3[2];
}
// flow A and C side
}
}
+ // TPC EP needed for resolution studies (TPC subevent)
+ Double_t Qx2 = 0, Qy2 = 0;
+ Double_t Qx3 = 0, Qy3 = 0;
+
+ for(Int_t iT = 0; iT < nAODTracks; iT++) {
+
+ AliAODTrack* aodTrack = aodEvent->GetTrack(iT);
+
+ if (!aodTrack){
+ continue;
+ }
+
+ Bool_t trkFlag = aodTrack->TestFilterBit(1);
+
+ if ((TMath::Abs(aodTrack->Eta()) > 0.8) || (aodTrack->Pt() < 0.2) || (aodTrack->GetTPCNcls() < fNcluster) || !trkFlag)
+ continue;
+
+ Double_t b[2] = {-99., -99.};
+ Double_t bCov[3] = {-99., -99., -99.};
+ if (!aodTrack->PropagateToDCA(fOutputAOD->GetPrimaryVertex(), fOutputAOD->GetMagneticField(), 100., b, bCov))
+ continue;
+
+ if ((TMath::Abs(b[0]) > 3.0) || (TMath::Abs(b[1]) > 2.4))
+ continue;
+
+ Qx2 += TMath::Cos(2*aodTrack->Phi());
+ Qy2 += TMath::Sin(2*aodTrack->Phi());
+ Qx3 += TMath::Cos(3*aodTrack->Phi());
+ Qy3 += TMath::Sin(3*aodTrack->Phi());
+
+ }
+
+ evPlAng2 = TMath::ATan2(Qy2, Qx2)/2.;
+ evPlAng3 = TMath::ATan2(Qy3, Qx3)/3.;
+
+ fgPsi2tpc = evPlAng2;
+ fgPsi3tpc = evPlAng3;
+
+ SelectK0s();
+
//V0 info
AliAODVZERO* aodV0 = aodEvent->GetVZEROData();
for (Int_t iv0 = 0; iv0 < 64; iv0++) {
Double_t phiV0 = TMath::PiOver4()*(0.5 + iv0 % 8);
Float_t multv0 = aodV0->GetMultiplicity(iv0);
- if (iv0 < 32){ // V0C
- Qxc2 += TMath::Cos(2*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
- Qyc2 += TMath::Sin(2*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
- Qxc3 += TMath::Cos(3*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
- Qyc3 += TMath::Sin(3*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
- } else { // V0A
- Qxa2 += TMath::Cos(2*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
- Qya2 += TMath::Sin(2*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
- Qxa3 += TMath::Cos(3*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
- Qya3 += TMath::Sin(3*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
+
+ if(! fIsAfter2011){
+ if(! fIsMC){
+ if (iv0 < 32){ // V0C
+ Qxc2 += TMath::Cos(2*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qyc2 += TMath::Sin(2*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qxc3 += TMath::Cos(3*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qyc3 += TMath::Sin(3*phiV0) * multv0*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ } else { // V0A
+ Qxa2 += TMath::Cos(2*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qya2 += TMath::Sin(2*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qxa3 += TMath::Cos(3*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qya3 += TMath::Sin(3*phiV0) * multv0*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ }
+ }
+ else{
+ if (iv0 < 32){ // V0C
+ Qxc2 += TMath::Cos(2*phiV0) * multv0;//*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qyc2 += TMath::Sin(2*phiV0) * multv0;//*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qxc3 += TMath::Cos(3*phiV0) * multv0;//*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ Qyc3 += TMath::Sin(3*phiV0) * multv0;//*fV0Cpol/fMultV0->GetBinContent(iv0+1);
+ } else { // V0A
+ Qxa2 += TMath::Cos(2*phiV0) * multv0;//*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qya2 += TMath::Sin(2*phiV0) * multv0;//*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qxa3 += TMath::Cos(3*phiV0) * multv0;//*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ Qya3 += TMath::Sin(3*phiV0) * multv0;//*fV0Apol/fMultV0->GetBinContent(iv0+1);
+ }
+ }
}
}
//grab for each centrality the proper histo with the Qx and Qy to do the recentering
- Double_t Qxamean2 = fMeanQ[iC][1][0];
- Double_t Qxarms2 = fWidthQ[iC][1][0];
- Double_t Qyamean2 = fMeanQ[iC][1][1];
- Double_t Qyarms2 = fWidthQ[iC][1][1];
- Double_t Qxamean3 = fMeanQv3[iC][1][0];
- Double_t Qxarms3 = fWidthQv3[iC][1][0];
- Double_t Qyamean3 = fMeanQv3[iC][1][1];
- Double_t Qyarms3 = fWidthQv3[iC][1][1];
+ Double_t Qxamean2 = fMeanQ[iCcal][1][0];
+ Double_t Qxarms2 = fWidthQ[iCcal][1][0];
+ Double_t Qyamean2 = fMeanQ[iCcal][1][1];
+ Double_t Qyarms2 = fWidthQ[iCcal][1][1];
+ Double_t Qxamean3 = fMeanQv3[iCcal][1][0];
+ Double_t Qxarms3 = fWidthQv3[iCcal][1][0];
+ Double_t Qyamean3 = fMeanQv3[iCcal][1][1];
+ Double_t Qyarms3 = fWidthQv3[iCcal][1][1];
- Double_t Qxcmean2 = fMeanQ[iC][0][0];
- Double_t Qxcrms2 = fWidthQ[iC][0][0];
- Double_t Qycmean2 = fMeanQ[iC][0][1];
- Double_t Qycrms2 = fWidthQ[iC][0][1];
- Double_t Qxcmean3 = fMeanQv3[iC][0][0];
- Double_t Qxcrms3 = fWidthQv3[iC][0][0];
- Double_t Qycmean3 = fMeanQv3[iC][0][1];
- Double_t Qycrms3 = fWidthQv3[iC][0][1];
+ Double_t Qxcmean2 = fMeanQ[iCcal][0][0];
+ Double_t Qxcrms2 = fWidthQ[iCcal][0][0];
+ Double_t Qycmean2 = fMeanQ[iCcal][0][1];
+ Double_t Qycrms2 = fWidthQ[iCcal][0][1];
+ Double_t Qxcmean3 = fMeanQv3[iCcal][0][0];
+ Double_t Qxcrms3 = fWidthQv3[iCcal][0][0];
+ Double_t Qycmean3 = fMeanQv3[iCcal][0][1];
+ Double_t Qycrms3 = fWidthQv3[iCcal][0][1];
Double_t QxaCor2 = (Qxa2 - Qxamean2)/Qxarms2;
Double_t QyaCor2 = (Qya2 - Qyamean2)/Qyarms2;
Double_t QxcCor3 = (Qxc3 - Qxcmean3)/Qxcrms3;
Double_t QycCor3 = (Qyc3 - Qycmean3)/Qycrms3;
- evPlAngV0ACor2 = TMath::ATan2(QyaCor2, QxaCor2)/2.;
- evPlAngV0CCor2 = TMath::ATan2(QycCor2, QxcCor2)/2.;
- evPlAngV0ACor3 = TMath::ATan2(QyaCor3, QxaCor3)/3.;
- evPlAngV0CCor3 = TMath::ATan2(QycCor3, QxcCor3)/3.;
+ if(! fIsAfter2011){
+ if(! fIsMC){
+ evPlAngV0ACor2 = TMath::ATan2(QyaCor2, QxaCor2)/2.;
+ evPlAngV0CCor2 = TMath::ATan2(QycCor2, QxcCor2)/2.;
+ evPlAngV0ACor3 = TMath::ATan2(QyaCor3, QxaCor3)/3.;
+ evPlAngV0CCor3 = TMath::ATan2(QycCor3, QxcCor3)/3.;
+ }
+ else{
+ evPlAngV0ACor2 = TMath::ATan2(Qya2, Qxa2)/2.;
+ evPlAngV0CCor2 = TMath::ATan2(Qyc2, Qxc2)/2.;
+ evPlAngV0ACor3 = TMath::ATan2(Qya3, Qxa3)/3.;
+ evPlAngV0CCor3 = TMath::ATan2(Qyc3, Qxc3)/3.;
+ }
+ }
+ else{
+ AliEventplane *ep = aodEvent->GetEventplane();
+ evPlAngV0ACor2 = ep->GetEventplane("V0A", aodEvent, 2);
+ evPlAngV0CCor2 = ep->GetEventplane("V0C", aodEvent, 2);
+ evPlAngV0ACor3 = ep->GetEventplane("V0A", aodEvent, 3);
+ evPlAngV0CCor3 = ep->GetEventplane("V0C", aodEvent, 3);
+ }
+
fgPsi2v0a = evPlAngV0ACor2;
fgPsi2v0c = evPlAngV0CCor2;
fgPsi3v0a = evPlAngV0ACor3;
fgPsi3v0c = evPlAngV0CCor3;
-
+
+ fHKsPhiEP->Fill(fZvtx,fgPsi2v0c);
//loop track and get pid
for(Int_t iT = 0; iT < nAODTracks; iT++) { // loop on the tracks
AliAODTrack* aodTrack = aodEvent->GetTrack(iT);
if (!aodTrack){
- aodTrack->Delete();
continue;
}
Bool_t trkFlag = aodTrack->TestFilterBit(1); // TPC only tracks
- if(fFillDCA) trkFlag = aodTrack->TestFilterBit(4); // Global track, DCA loose cut
+ if(fFillDCA)
+ trkFlag = aodTrack->TestFilterBit(4); // Global track, DCA loose cut
- if ((TMath::Abs(aodTrack->Eta()) > fEtaCut) || (aodTrack->Pt() < fMinPt) || (aodTrack->GetTPCNcls() < 70) || !trkFlag){
+ if ((TMath::Abs(aodTrack->Eta()) > fEtaCut) || (aodTrack->Pt() < fMinPt) || (aodTrack->GetTPCNcls() < fNcluster) || !trkFlag){
continue;
}
if (!fFillDCA && ((TMath::Abs(b[0]) > 3.0) || (TMath::Abs(b[1]) > 2.4)))
continue;
-
- if(fFillDCA && TMath::Abs(b[0]) > 3.0 && TMath::Abs(b[1]) > 3)
- continue;
+
+ if(fFillDCA && (TMath::Abs(b[0]) > 3.0 || TMath::Abs(b[1]) > 3))
+ continue;
// re-map the container in an array to do the analysis for V0A and V0C within a loop
Float_t evPlAngV0[2] = {evPlAngV0ACor2,evPlAngV0CCor2};
Float_t v2V0 = TMath::Cos(2*(aodTrack->Phi() - evPlAngV0[iV0]));
Float_t v3V0 = TMath::Cos(3*(aodTrack->Phi() - evPlAngV0v3[iV0]));
-
+
fPID->ComputeProb(aodTrack,fOutputAOD); // compute Bayesian probabilities
Float_t dedx = fPID->GetDeDx();//aodTrack->GetTPCsignal();
Float_t *probRead = fPID->GetProb();
if(TMath::Abs(nsigmaTPC[2])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[2])<5))){ //pi
xQA[2] = prob[2];
xQA3[2] = xQA[2];
- if(fV2) QA[iV0]->Fill(0,nsigmaTPC[2],nsigmaTOF[2],xQA);
- if(fV3) QAv3[iV0]->Fill(0,nsigmaTPC[2],nsigmaTOF[2],xQA3);
+ if(fQAsw && fV2) QA[iV0]->Fill(0,nsigmaTPC[2],nsigmaTOF[2],xQA);
+ if(fQAsw && fV3) QAv3[iV0]->Fill(0,nsigmaTPC[2],nsigmaTOF[2],xQA3);
}
if(TMath::Abs(nsigmaTPC[3])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[3])<5))){ //K
xQA[2] = prob[3];
xQA3[2] = xQA[2];
- if(fV2) QA[iV0]->Fill(1,nsigmaTPC[3],nsigmaTOF[3],xQA);
-// if(fV3) QAv3[iV0]->Fill(1,nsigmaTPC[3],nsigmaTOF[3],xQA3);
+ if(fQAsw && fV2) QA[iV0]->Fill(1,nsigmaTPC[3],nsigmaTOF[3],xQA);
+// if(fQAsw && fV3) QAv3[iV0]->Fill(1,nsigmaTPC[3],nsigmaTOF[3],xQA3);
}
if(TMath::Abs(nsigmaTPC[4])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[4])<5))){//p
xQA[2] = prob[4];
xQA3[2] = xQA[2];
- if(fV2) QA[iV0]->Fill(2,nsigmaTPC[4],nsigmaTOF[4],xQA);
-// if(fV3) QAv3[iV0]->Fill(2,nsigmaTPC[4],nsigmaTOF[4],xQA3);
+ if(fQAsw && fV2) QA[iV0]->Fill(2,nsigmaTPC[4],nsigmaTOF[4],xQA);
+// if(fQAsw && fV3) QAv3[iV0]->Fill(2,nsigmaTPC[4],nsigmaTOF[4],xQA3);
}
if(TMath::Abs(nsigmaTPC[0])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[0])<5))){//e
xQA[2] = prob[0];
xQA3[2] = xQA[2];
-// if(fV2) QA[iV0]->Fill(3,nsigmaTPC[0],nsigmaTOF[0],xQA);
-// if(fV3) QAv3[iV0]->Fill(3,nsigmaTPC[0],nsigmaTOF[0],xQA3);
+// if(fQAsw && fV2) QA[iV0]->Fill(3,nsigmaTPC[0],nsigmaTOF[0],xQA);
+// if(fQAsw && fV3) QAv3[iV0]->Fill(3,nsigmaTPC[0],nsigmaTOF[0],xQA3);
}
if(TMath::Abs(nsigmaTPC[5])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[5])<5))){//d
xQA[2] = prob[5];
xQA3[2] = xQA[2];
- // if(fV2) QA[iV0]->Fill(4,nsigmaTPC[5],nsigmaTOF[5],xQA);
- // if(fV3) QAv3[iV0]->Fill(4,nsigmaTPC[5],nsigmaTOF[5],xQA3);
+ // if(fQAsw && fV2) QA[iV0]->Fill(4,nsigmaTPC[5],nsigmaTOF[5],xQA);
+ // if(fQAsw && fV3) QAv3[iV0]->Fill(4,nsigmaTPC[5],nsigmaTOF[5],xQA3);
}
if(TMath::Abs(nsigmaTPC[6])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[6])<5))){//t
xQA[2] = prob[6];
xQA3[2] = xQA[2];
- // if(fV2) QA[iV0]->Fill(5,nsigmaTPC[6],nsigmaTOF[6],xQA);
- // if(fV3) QAv3[iV0]->Fill(5,nsigmaTPC[6],nsigmaTOF[6],xQA3);
+ // if(fQAsw && fV2) QA[iV0]->Fill(5,nsigmaTPC[6],nsigmaTOF[6],xQA);
+ // if(fQAsw && fV3) QAv3[iV0]->Fill(5,nsigmaTPC[6],nsigmaTOF[6],xQA3);
}
if(TMath::Abs(nsigmaTPC[7])<5 && (!(fPID->GetCurrentMask(1)) || (TMath::Abs(nsigmaTOF[7])<5))){//He3
xQA[2] = prob[7];
xQA3[2] = xQA[2];
- // if(fV2) QA[iV0]->Fill(6,nsigmaTPC[7],nsigmaTOF[7],xQA);
- // if(fV3) QAv3[iV0]->Fill(6,nsigmaTPC[7],nsigmaTOF[7],xQA3);
+ // if(fQAsw && fV2) QA[iV0]->Fill(6,nsigmaTPC[7],nsigmaTOF[7],xQA);
+ // if(fQAsw && fV3) QAv3[iV0]->Fill(6,nsigmaTPC[7],nsigmaTOF[7],xQA3);
}
}
} // end side loop
} // end track loop
- // Fill EP distribution histograms
- if(fV2) fPhiRPv0A->Fill(iC,evPlAngV0ACor2);
- if(fV2) fPhiRPv0C->Fill(iC,evPlAngV0CCor2);
-
- if(fV3) fPhiRPv0Av3->Fill(iC,evPlAngV0ACor3);
- if(fV3) fPhiRPv0Cv3->Fill(iC,evPlAngV0CCor3);
+ // my V0 loop
+ for(Int_t imy=0;imy<fNK0s;imy++){
+ Float_t evPlAngV0[2] = {evPlAngV0ACor2,evPlAngV0CCor2};
+ Float_t evPlAngV0v3[2] = {evPlAngV0ACor3,evPlAngV0CCor3};
+
+ AliFlowVZEROResults *contV0[2] = {fContAllChargesV0A,fContAllChargesV0C};
+ AliFlowVZEROResults *contV0v3[2] = {fContAllChargesV0Av3,fContAllChargesV0Cv3};
+
+ for(Int_t iV0=0;iV0<2;iV0++){ // loop on A and C side
+ Float_t x[6] = {iC,-1/*my K0s are negative for convention*/,1,evPlAngV0[iV0],1,0}; // to fill analysis v2 container
+ Float_t x3[6] = {iC,-1,1,evPlAngV0v3[iV0],1,0}; // to fill analysis v3 container
- // TPC EP needed for resolution studies (TPC subevent)
- Double_t Qx2 = 0, Qy2 = 0;
- Double_t Qx3 = 0, Qy3 = 0;
+ Float_t v2V0 = TMath::Cos(2*(fPhiK0s[imy] - evPlAngV0[iV0]));
+ Float_t v3V0 = TMath::Cos(3*(fPhiK0s[imy] - evPlAngV0v3[iV0]));
+ if(fV2) contV0[iV0]->Fill(9,fPtK0s[imy],v2V0,x);
+ if(fV3) contV0v3[iV0]->Fill(9,fPtK0s[imy],v3V0,x3);
+ }
+ }
- for(Int_t iT = 0; iT < nAODTracks; iT++) {
-
- AliAODTrack* aodTrack = aodEvent->GetTrack(iT);
-
- if (!aodTrack){
- aodTrack->Delete();
- continue;
+ // V0 loop
+ Int_t nV0s = fOutputAOD->GetNumberOfV0s();
+ AliAODv0 *myV0;
+ Double_t dQT, dALPHA, dPT, dMASS=0.0;
+ for (Int_t i=0; i!=nV0s; ++i) {
+ myV0 = (AliAODv0*) fOutputAOD->GetV0(i);
+ if(!myV0) continue;
+ if(myV0->Pt()<0.1 || TMath::Abs(myV0->Eta()) > fEtaCut) continue; // skipping low momentum
+ Int_t pass = PassesAODCuts(myV0,fOutputAOD,0);
+ if(pass) {
+ dMASS = myV0->MassK0Short();
+ pass = 3;
+ fHK0sMass2->Fill(myV0->Pt(),dMASS);
+ }
+ if(TMath::Abs(dMASS-0.497)/0.005 > 3){
+ pass = PassesAODCuts(myV0,fOutputAOD,1);
+ if(pass) dMASS = myV0->MassLambda();
+ if(pass==2) dMASS = myV0->MassAntiLambda();
}
-
- Bool_t trkFlag = aodTrack->TestFilterBit(1);
- if ((TMath::Abs(aodTrack->Eta()) > 0.8) || (aodTrack->Pt() < 0.2) || (aodTrack->GetTPCNcls() < 70) || !trkFlag)
- continue;
+ if(pass){// 1 lambda, 2 antilambda, 3=K0s
+ dPT=myV0->Pt();
+ dQT=myV0->PtArmV0();
+ dALPHA=myV0->AlphaV0();
+
+ Int_t iPos, iNeg;
+ AliAODTrack *iT=(AliAODTrack*) myV0->GetDaughter(0);
+ if(iT->Charge()>0) {
+ iPos = 0; iNeg = 1;
+ } else {
+ iPos = 1; iNeg = 0;
+ }
+
+ // check if one of the daugthers was already used
+ if(pass == 3 && TMath::Abs(dMASS-0.497)/0.005 < 1){
+ fHKsPhi->Fill(fZvtx, myV0->Phi());
+ }
+
+ if(pass == 1000){ // disable
+ Bool_t used = kFALSE;
+ for(Int_t ii=0;ii<nusedForK0s;ii++){
+ if(myV0->GetDaughter(iNeg) == usedForK0s1[ii] || myV0->GetDaughter(iPos) == usedForK0s2[ii]){
+ used = kTRUE;
+ }
+ }
+ if((!used) && nusedForK0s < 1000){
+ nusedForK0s++;
+ usedForK0s1[nusedForK0s] = (AliAODTrack *) myV0->GetDaughter(iNeg);
+ usedForK0s2[nusedForK0s] = (AliAODTrack *) myV0->GetDaughter(iPos);
+ printf("accepted\n");
+ }
+ else{
+ dMASS = 0;
+ printf("rejected\n");
+ }
+ }
+
+ iT=(AliAODTrack*) myV0->GetDaughter(iPos); // positive
+ AliAODTrack *jT=(AliAODTrack*) myV0->GetDaughter(iNeg); // negative
+
+ // re-map the container in an array to do the analysis for V0A and V0C within a loop
+ Float_t evPlAngV0[2] = {evPlAngV0ACor2,evPlAngV0CCor2};
+ AliFlowVZEROResults *contV0[2] = {fContAllChargesV0A,fContAllChargesV0C};
- Double_t b[2] = {-99., -99.};
- Double_t bCov[3] = {-99., -99., -99.};
- if (!aodTrack->PropagateToDCA(fOutputAOD->GetPrimaryVertex(), fOutputAOD->GetMagneticField(), 100., b, bCov))
- continue;
+ Float_t evPlAngV0v3[2] = {evPlAngV0ACor3,evPlAngV0CCor3};
+ AliFlowVZEROResults *contV0v3[2] = {fContAllChargesV0Av3,fContAllChargesV0Cv3};
+
+ for(Int_t iV0=0;iV0<2;iV0++){ // loop on A and C side
+
+ if(fModulationDEDx) fPID->SetPsiCorrectionDeDx(evPlAngV0[iV0],evPlRes[iV0*8+iC]); // set the PID dE/dx correction as a function of the v2-EP (resolution is needed)
+
+ Float_t v2V0 = TMath::Cos(2*(myV0->Phi() - evPlAngV0[iV0]));
+ Float_t v3V0 = TMath::Cos(3*(myV0->Phi() - evPlAngV0v3[iV0]));
+
+ Float_t deltaphi = myV0->Phi()- evPlAngV0[iV0];
+ if(deltaphi > TMath::Pi()) deltaphi -= 2*TMath::Pi();
+ if(deltaphi < -TMath::Pi()) deltaphi += 2*TMath::Pi();
+
+ Float_t x[6] = {iC,1,1,evPlAngV0[iV0],1,0}; // to fill analysis v2 container
+ Float_t x3[6] = {iC,1,1,evPlAngV0v3[iV0],1,0}; // to fill analysis v3 container
+
+ Float_t decaylength = myV0->DecayLengthXY(fOutputAOD->GetPrimaryVertex());
+ // printf("decay length = %f\n",decaylength);
+
+ if(pass==2){ // anti-lambda charge = -1
+ x[1] = -1;
+ x3[1] = -1;
+ }
+
+ if(decaylength < fMinDistV0) pass = 0;
+ if(decaylength > fMaxDistV0) pass = 0;
+
+ Float_t nsigma = 0;
+ if(pass < 3)
+ nsigma = TMath::Abs(dMASS-1.116)/0.0016;
+ else if(pass == 3)
+ nsigma = TMath::Abs(dMASS-0.497)/0.005;
+
+ if(nsigma < 1)
+ x[2] = 0.95;
+ else if(nsigma < 2)
+ x[2] = 0.85;
+ else if(nsigma < 3)
+ x[2] = 0.75;
+ else if(nsigma < 4)
+ x[2] = 0.65;
+ else
+ x[2] = 0.5;
+
+ x3[2] = x[2];
+
+ // Fill Container for lambda and Ks
+ if(fV2 && pass == 3 && x[2] > 0.6){
+ contV0[iV0]->Fill(9,myV0->Pt(),v2V0,x);
+ fHctauPtEP->Fill(myV0->Pt(),deltaphi,decaylength);//ciao
+ if(myV0->Pt() < 1.1 && myV0->Pt() > 0.9) fHctauAt1EP->Fill(decaylength,deltaphi);
+ }
+ if(fV3 && pass == 3 && x[2] > 0.6) contV0v3[iV0]->Fill(9,myV0->Pt(),v3V0,x3);
+ if(fV2 && pass < 3 && x[2] > 0.6) contV0[iV0]->Fill(10,myV0->Pt(),v2V0,x);
+ if(fV3 && pass < 3 && x[2] > 0.6) contV0v3[iV0]->Fill(10,myV0->Pt(),v3V0,x3);
+
+ if(pass < 3){ // lambda
+ AliAODTrack* aodTrack = iT;
+ if(pass==2) aodTrack=jT;
+
+ v2V0 = TMath::Cos(2*(aodTrack->Phi() - evPlAngV0[iV0]));
+ v3V0 = TMath::Cos(3*(aodTrack->Phi() - evPlAngV0v3[iV0]));
+
+ fPID->ComputeProb(aodTrack,fOutputAOD); // compute Bayesian probabilities
+ Float_t *probRead = fPID->GetProb();
+ Float_t prob[8] = {probRead[0],probRead[1],probRead[2],probRead[3],probRead[4],probRead[5],probRead[6],probRead[7]};
+ Float_t tofMismProb = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ if(prob[4] < 0.61) prob[4] = 0.61;
- if ((TMath::Abs(b[0]) > 3.0) || (TMath::Abs(b[1]) > 2.4))
- continue;
-
- Qx2 += TMath::Cos(2*aodTrack->Phi());
- Qy2 += TMath::Sin(2*aodTrack->Phi());
- Qx3 += TMath::Cos(3*aodTrack->Phi());
- Qy3 += TMath::Sin(3*aodTrack->Phi());
-
- }
-
- evPlAng2 = TMath::ATan2(Qy2, Qx2)/2.;
- evPlAng3 = TMath::ATan2(Qy3, Qx3)/3.;
+ Float_t xdec[6] = {iC,aodTrack->Charge(),prob[4],evPlAngV0[iV0],fPID->GetCurrentMask(1)&&tofMismProb < 0.5,0}; // to fill analysis v2 container
+ Float_t xdec3[6] = {iC,aodTrack->Charge(),prob[4],evPlAngV0v3[iV0],fPID->GetCurrentMask(1)&&tofMismProb < 0.5,0}; // to fill analysis v3 container
+
+ // Fill Container for (anti)proton from lambda
+ if(nsigma < 2 && xdec[2] > 0.6 && TMath::Abs(aodTrack->Eta()) < 0.8){
+ if(fV2) contV0[iV0]->Fill(11,aodTrack->Pt(),v2V0,xdec);
+ if(fV3) contV0v3[iV0]->Fill(11,aodTrack->Pt(),v3V0,xdec3);
+ }
+ }
+ else if(pass == 3){
+ AliAODTrack* aodTrack = iT;
+
+ v2V0 = TMath::Cos(2*(aodTrack->Phi() - evPlAngV0[iV0]));
+ v3V0 = TMath::Cos(3*(aodTrack->Phi() - evPlAngV0v3[iV0]));
+
+ fPID->ComputeProb(aodTrack,fOutputAOD); // compute Bayesian probabilities
+ Float_t *probRead = fPID->GetProb();
+ Float_t prob[8] = {probRead[0],probRead[1],probRead[2],probRead[3],probRead[4],probRead[5],probRead[6],probRead[7]};
+ Float_t tofMismProb = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ if(prob[2] < 0.61) prob[2] = 0.61;
+
+ Float_t xdec[6] = {iC,aodTrack->Charge(),prob[2],evPlAngV0[iV0],fPID->GetCurrentMask(1)&&tofMismProb < 0.5,0}; // to
+ Float_t xdec3[6] = {iC,aodTrack->Charge(),prob[2],evPlAngV0v3[iV0],fPID->GetCurrentMask(1)&&tofMismProb < 0.5,0}; // to
+
+ if(nsigma < 2 && xdec[2] > 0.6 && TMath::Abs(aodTrack->Eta()) < 0.8){
+ if(fV2) contV0[iV0]->Fill(12,aodTrack->Pt(),v2V0,xdec);
+ if(fV3) contV0v3[iV0]->Fill(12,aodTrack->Pt(),v3V0,xdec3);
+ }
+
+ aodTrack = jT;
+ v2V0 = TMath::Cos(2*(aodTrack->Phi() - evPlAngV0[iV0]));
+ v3V0 = TMath::Cos(3*(aodTrack->Phi() - evPlAngV0v3[iV0]));
+
+ fPID->ComputeProb(aodTrack,fOutputAOD); // compute Bayesian probabilities
+ Float_t *probRead2 = fPID->GetProb();
+ Float_t prob2[8] = {probRead2[0],probRead2[1],probRead2[2],probRead2[3],probRead2[4],probRead2[5],probRead2[6],probRead2[7]};
+ Float_t tofMismProb2 = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ if(prob2[2] < 0.61) prob2[2] = 0.61;
+
+ Float_t xdecB[6] = {iC,aodTrack->Charge(),prob2[2],evPlAngV0[iV0],fPID->GetCurrentMask(1)&&tofMismProb2 < 0.5,0}; // to
+ Float_t xdecB3[6] = {iC,aodTrack->Charge(),prob2[2],evPlAngV0v3[iV0],fPID->GetCurrentMask(1)&&tofMismProb2 < 0.5,0}; // to
+
+ if(nsigma < 2 && xdecB[2] > 0.6 && TMath::Abs(aodTrack->Eta()) < 0.8){
+ if(fV2) contV0[iV0]->Fill(12,aodTrack->Pt(),v2V0,xdecB);
+ if(fV3) contV0v3[iV0]->Fill(12,aodTrack->Pt(),v3V0,xdecB3);
+ }
+ }
+ }
+
+ }
+ } // end loop on V0
- fgPsi2tpc = evPlAng2;
- fgPsi3tpc = evPlAng3;
+
+ // Fill EP distribution histograms
+ if(fV2) fPhiRPv0A->Fill(iC,evPlAngV0ACor2);
+ if(fV2) fPhiRPv0C->Fill(iC,evPlAngV0CCor2);
+
+ if(fV3) fPhiRPv0Av3->Fill(iC,evPlAngV0ACor3);
+ if(fV3) fPhiRPv0Cv3->Fill(iC,evPlAngV0CCor3);
// Fill histograms needed for resolution evaluation
if(fV2) fHResTPCv0A2->Fill(Double_t(iC), TMath::Cos(2*(evPlAng2 - evPlAngV0ACor2)));
if(fV3) fHResv0Cv0A3->Fill(Double_t(iC), TMath::Cos(3*(evPlAngV0ACor3 - evPlAngV0CCor3)));
}
+
+
+ // clean track array
+ for(Int_t i=0;i < nusedForK0s;i++){
+ usedForK0s1[i] = NULL;
+ usedForK0s2[i] = NULL;
+ }
}
//_____________________________________________________________________________
for(Int_t iside=0;iside<2;iside++){
for(Int_t icoord=0;icoord<2;icoord++){
- for(Int_t i=0;i < nCentrBin;i++){
+ for(Int_t i=0;i < 9;i++){
char namecont[100];
if(iside==0 && icoord==0)
snprintf(namecont,100,"hQxc2_%i",i);
}
}
}
+//=======================================================================
+Int_t AliAnalysisTaskVnV0::PassesAODCuts(AliAODv0 *myV0, AliAODEvent *tAOD,Int_t specie)
+{
+ Int_t set = 0;
+ Float_t fV0Cuts[9];
+ // defines cuts to be used
+ // fV0Cuts[9] dl dca ctp d0 d0d0 qt minEta maxEta PID
+ switch(set) {
+ case(0): // No cuts
+ fV0Cuts[0] = -1e+6; fV0Cuts[1] = +1e+6; fV0Cuts[2] = -1e+6;
+ fV0Cuts[3] = -1e+6; fV0Cuts[4] = +1e+6; fV0Cuts[5] = -1e+6;
+ fV0Cuts[6] = -1e+6; fV0Cuts[7] = +1e+6; fV0Cuts[8] = 0;
+ break;
+ case(1): // Tight cuts
+ fV0Cuts[0] = +0.5; fV0Cuts[1] = +0.5; fV0Cuts[2] = +0.998;
+ fV0Cuts[3] = +0.1; fV0Cuts[4] = +0.0; fV0Cuts[5] = +0.105;
+ fV0Cuts[6] = -0.8; fV0Cuts[7] = +0.8; fV0Cuts[8] = 0;
+ break;
+ case(2): // Tight cuts + PID
+ fV0Cuts[0] = +0.5; fV0Cuts[1] = +0.5; fV0Cuts[2] = +0.998;
+ fV0Cuts[3] = +0.1; fV0Cuts[4] = +0.0; fV0Cuts[5] = +0.105;
+ fV0Cuts[6] = -0.8; fV0Cuts[7] = +0.8; fV0Cuts[8] = 1;
+ break;
+ case(3): // No cuts + PID
+ fV0Cuts[0] = -1e+6; fV0Cuts[1] = +1e+6; fV0Cuts[2] = -1e+6;
+ fV0Cuts[3] = -1e+6; fV0Cuts[4] = +1e+6; fV0Cuts[5] = -1e+6;
+ fV0Cuts[6] = -1e+6; fV0Cuts[7] = +1e+6; fV0Cuts[8] = 1;
+ break;
+ }
+
+ // daughter cuts
+ if(! fCutsDaughter){
+ fCutsDaughter = new AliESDtrackCuts(Form("daughter_cuts_%s","ESD") );
+ fCutsDaughter->SetPtRange(0.2,10.0);
+ fCutsDaughter->SetEtaRange(-0.8, 0.8 );
+ fCutsDaughter->SetMinNClustersTPC(80);
+ fCutsDaughter->SetMaxChi2PerClusterTPC(4.0);
+ fCutsDaughter->SetRequireTPCRefit(kTRUE);
+ fCutsDaughter->SetAcceptKinkDaughters(kFALSE);
+ }
+
+ if (myV0->GetOnFlyStatus() ) return 0;
+ //the following is needed in order to evualuate track-quality
+ AliAODTrack *iT, *jT;
+ AliAODVertex *vV0s = myV0->GetSecondaryVtx();
+ Double_t pos[3],cov[6];
+ vV0s->GetXYZ(pos);
+ vV0s->GetCovarianceMatrix(cov);
+ const AliESDVertex vESD(pos,cov,100.,100);
+ // TESTING CHARGE
+ int iPos, iNeg;
+ iT=(AliAODTrack*) myV0->GetDaughter(0);
+ if(iT->Charge()>0) {
+ iPos = 0; iNeg = 1;
+ } else {
+ iPos = 1; iNeg = 0;
+ }
+ // END OF TEST
+
+ iT=(AliAODTrack*) myV0->GetDaughter(iPos); // positive
+ AliESDtrack ieT( iT );
+ ieT.SetTPCClusterMap( iT->GetTPCClusterMap() );
+ ieT.SetTPCSharedMap( iT->GetTPCSharedMap() );
+ ieT.SetTPCPointsF( iT->GetTPCNclsF() );
+ ieT.RelateToVertex(&vESD, tAOD->GetMagneticField(), 100);
+ if (!fCutsDaughter->IsSelected( &ieT ) ) return 0;
+
+ jT=(AliAODTrack*) myV0->GetDaughter(iNeg); // negative
+ AliESDtrack jeT( jT );
+ jeT.SetTPCClusterMap( jT->GetTPCClusterMap() );
+ jeT.SetTPCSharedMap( jT->GetTPCSharedMap() );
+ jeT.SetTPCPointsF( jT->GetTPCNclsF() );
+ jeT.RelateToVertex(&vESD, tAOD->GetMagneticField(), 100);
+ if (!fCutsDaughter->IsSelected( &jeT ) ) return 0;
+
+ Double_t pvertex[3];
+ pvertex[0]=tAOD->GetPrimaryVertex()->GetX();
+ pvertex[1]=tAOD->GetPrimaryVertex()->GetY();
+ pvertex[2]=tAOD->GetPrimaryVertex()->GetZ();
+ Double_t dDL=myV0->DecayLengthV0( pvertex );
+ Double_t dDCA=myV0->DcaV0Daughters();
+ Double_t dCTP=myV0->CosPointingAngle( pvertex );
+ Double_t dD0P=ieT.GetD(pvertex[0],pvertex[1],tAOD->GetMagneticField());
+ Double_t dD0M=jeT.GetD(pvertex[0],pvertex[1],tAOD->GetMagneticField());
+ Double_t dD0D0=dD0P*dD0M;
+ Double_t dQT=myV0->PtArmV0();
+ Double_t dALPHA=myV0->AlphaV0(); // AlphaV0 -> AODRecoDecat::Alpha -> return 1.-2./(1.+QlProng(0)/QlProng(1));
+ if(myV0->ChargeProng(iPos)<0) dALPHA = -dALPHA; // protects for a change in convention
+// Double_t dPT=myV0->Pt();
+ Double_t dETA=myV0->Eta();
+ Int_t passes = 1;
+ if(dDL <fV0Cuts[0]) passes = 0;
+ if(dDCA >fV0Cuts[1]) passes = 0;
+ if(dCTP <fV0Cuts[2]) passes = 0;
+ if(TMath::Abs(dD0P) <fV0Cuts[3]) passes = 0;
+ if(TMath::Abs(dD0M) <fV0Cuts[3]) passes = 0;
+ if(dD0D0>fV0Cuts[4]) passes = 0;
+ if(dETA <fV0Cuts[6]) passes = 0;
+ if(dETA >fV0Cuts[7]) passes = 0;
+ if(specie==0) if(dQT<fV0Cuts[5]) passes = 0;
+ if(specie==1&&passes==1&&dALPHA<0) passes = 2; // antilambda
+
+
+// if(jT->Pt() < 0.5*myV0->Pt() || iT->Pt() < 0.5*myV0->Pt()) passes = 0;
+
+
+ // additional cut
+// if(!(iT->GetStatus() & AliAODTrack::kTPCrefit)) passes = 0;
+// if(!(jT->GetStatus() & AliAODTrack::kTPCrefit)) passes = 0;
+
+// if(!(iT->GetStatus() & AliAODTrack::kITSrefit)) passes = 0;
+// if(!(jT->GetStatus() & AliAODTrack::kITSrefit)) passes = 0;
+
+// if(!(iT->GetStatus() & AliAODTrack::kTOFout)) passes = 0;
+// if(!(jT->GetStatus() & AliAODTrack::kTOFout)) passes = 0;
+
+ Bool_t trkFlag = iT->TestFilterBit(1); // TPC only tracks (4,global track)
+ Bool_t trkFlag2 = jT->TestFilterBit(1); // TPC only tracks (4,global track)
+
+ if(!trkFlag) passes = 0;
+ if(!trkFlag2) passes = 0;
+
+ if(passes&&fV0Cuts[8]) {
+
+ Double_t dedxExp[8];
+ fPID->ComputeProb(iT,tAOD); // compute Bayesian probabilities
+ Float_t nsigmaTPC[8];
+
+ Int_t tofMatch=0;
+ Int_t tofMatch2=0;
+
+ if(iT->GetDetPid()){ // check the PID object is available
+ for(Int_t iS=0;iS < 8;iS++){
+ dedxExp[iS] = fPID->GetExpDeDx(iT,iS);
+ nsigmaTPC[iS] = (fPID->GetDeDx() - dedxExp[iS])/(dedxExp[iS]*0.07);
+ }
+ }
+ else{
+ for(Int_t iS=0;iS < 8;iS++)
+ nsigmaTPC[iS] = 10;
+ }
+
+
+ if(fPID->GetCurrentMask(1)) // if TOF is present
+ tofMatch = 1;
+
+// Float_t tofMismProbMC = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ Float_t *probRead = fPID->GetProb();
+ Float_t prob[8] = {probRead[0],probRead[1],probRead[2],probRead[3],probRead[4],probRead[5],probRead[6],probRead[7]};
+
+ fPID->ComputeProb(jT,tAOD); // compute Bayesian probabilities
+ Float_t nsigmaTPC2[8];
+ if(jT->GetDetPid()){ // check the PID object is available
+ for(Int_t iS=0;iS < 8;iS++){
+ dedxExp[iS] = fPID->GetExpDeDx(jT,iS);
+ nsigmaTPC2[iS] = (fPID->GetDeDx() - dedxExp[iS])/(dedxExp[iS]*0.07);
+ }
+ }
+ else{
+ for(Int_t iS=0;iS < 8;iS++)
+ nsigmaTPC2[iS] = 10;
+ }
+
+ if(fPID->GetCurrentMask(1)) // if TOF is present
+ tofMatch2 = 1;
+
+// Float_t tofMismProbMC2 = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ probRead = fPID->GetProb();
+ Float_t prob2[8] = {probRead[0],probRead[1],probRead[2],probRead[3],probRead[4],probRead[5],probRead[6],probRead[7]};
+
+ if(jT->GetTPCNcls() < fNcluster) passes = 0;
+ else if(iT->GetTPCNcls() < fNcluster) passes = 0;
+
+// if(! (tofMatch && tofMatch2)) passes = 0;
+
+ /*
+ Float_t dMASS = myV0->MassK0Short();
+ Float_t nsigmaMass = TMath::Abs(dMASS-0.497)/0.005;
+ if(specie == 0 && TMath::Abs(nsigmaMass) < 1 && myV0->Pt() > 1) printf("candidate i=(pt=%f-phi=%f-tof=%i) j=(pt=%f-phi=%f-tof=%i) \n",iT->Pt(),iT->Phi(),tofMatch,jT->Pt(),jT->Phi(),tofMatch2);
+ */
+
+ switch(specie) {
+ case 0: // K0 PID
+ if(0){
+ if( ((jT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC2[2])>3.)) || prob2[2] < 0.9)
+ passes = 0;
+ if( ((iT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC[2])>3.))|| prob[2] < 0.9 )
+ passes = 0;
+ }
+ break;
+ case 1: // Lambda PID i==pos j ==neg
+ if(passes==1) {
+ if( (iT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC[4])>3.) )
+ passes = 0;
+ if( (jT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC2[2])>3.) )
+ passes = 0;
+ }
+ if(passes==2) {
+ if( (iT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC[2])>3.) )
+ passes = 0;
+ if( (jT->GetTPCmomentum()<15) &&
+ (TMath::Abs(nsigmaTPC2[4])>3.) )
+ passes = 0;
+ }
+ break;
+ }
+ }
+ return passes;
+}
+//=======================================================================
+void AliAnalysisTaskVnV0::SelectK0s(){
+ fNK0s=0;
+ fNpiPos=0;
+ fNpiNeg=0;
+
+ if(fModulationDEDx) fPID->SetPsiCorrectionDeDx(evPlAng2,1.0); // set the PID dE/dx correction as a function of the v2-EP (resolution is needed)
+
+ // fill pion stacks
+ Int_t nAODTracks = fOutputAOD->GetNumberOfTracks();
+ for(Int_t iT = 0; iT < nAODTracks; iT++) { // loop on the tracks
+ AliAODTrack* aodTrack = fOutputAOD->GetTrack(iT);
+
+ if (!aodTrack){
+ continue;
+ }
+
+ Bool_t trkFlag = aodTrack->TestFilterBit(1); // TPC only tracks
+// trkFlag = aodTrack->TestFilterBit(4); // Global track, DCA loose cut
+
+ if ((TMath::Abs(aodTrack->Eta()) > fEtaCut) || (aodTrack->Pt() < fMinPt) || (aodTrack->GetTPCNcls() < fNcluster) || !trkFlag){
+ continue;
+ }
+
+ Double_t b[2] = {-99., -99.};
+ Double_t bCov[3] = {-99., -99., -99.};
+ if (!aodTrack->PropagateToDCA(fOutputAOD->GetPrimaryVertex(), fOutputAOD->GetMagneticField(), 100., b, bCov))
+ continue;
+
+ if(TMath::Abs(b[0]) < 0.5/aodTrack->Pt()) continue;
+
+ fPID->ComputeProb(aodTrack,fOutputAOD); // compute Bayesian probabilities
+ Float_t *probRead = fPID->GetProb();
+ Float_t prob[8] = {probRead[0],probRead[1],probRead[2],probRead[3],probRead[4],probRead[5],probRead[6],probRead[7]};
+ // Float_t tofMismProb = fPID->GetTOFMismProb(); // TOF mismatch probability requested to be lower than 50% for TOF analysis
+
+ Int_t charge = aodTrack->Charge();
+ if(prob[2] > 0.9){
+ if(charge > 0){
+ fIPiPos[fNpiPos] = iT;
+ fNpiPos++;
+ }
+ else{
+ fIPiNeg[fNpiNeg] = iT;
+ fNpiNeg++;
+ }
+ }
+ }
+
+ for(Int_t i=0;i < fNpiPos;i++){
+ AliAODTrack *pip = fOutputAOD->GetTrack(fIPiPos[i]);
+ AliESDtrack pipE(pip);
+
+ for(Int_t j=0;j < fNpiNeg;j++){
+ AliAODTrack *pin = fOutputAOD->GetTrack(fIPiNeg[j]);
+ AliESDtrack pinE(pin);
+
+ Double_t xn, xp, mindist=pinE.GetDCA(&pipE,fOutputAOD->GetMagneticField(),xn,xp);
+
+ Double_t pPos[3];
+ Double_t pNeg[3];
+ pipE.GetPxPyPzAt(xp,fOutputAOD->GetMagneticField(),pPos);
+ pinE.GetPxPyPzAt(xn,fOutputAOD->GetMagneticField(),pNeg);
+
+ Float_t length = (xp+xn)*0.5;
+
+ Float_t pxs = pPos[0] + pNeg[0];
+ Float_t pys = pPos[1] + pNeg[1];
+ Float_t pzs = pPos[2] + pNeg[2];
+ Float_t es = TMath::Sqrt(pPos[0]*pPos[0] + pPos[1]*pPos[1] + pPos[2]*pPos[2] + 0.13957*0.13957) + TMath::Sqrt(pNeg[0]*pNeg[0] + pNeg[1]*pNeg[1] + pNeg[2]*pNeg[2] + 0.13957*0.13957);
+
+ Float_t pt = TMath::Sqrt(pxs*pxs + pys*pys);
+ Float_t phi = TMath::ATan2(pys,pxs);
+ Float_t mass = TMath::Sqrt(es*es - pt*pt - pzs*pzs);
+
+ // if(length > 1) printf("length = %f - distance = %f - mass= %f\n",length,mindist,mass);
+
+ if(mindist < 0.2&& length > 1 && length < 25){
+ fHK0sMass->Fill(pt,mass);
+
+ Float_t esL = TMath::Sqrt(pPos[0]*pPos[0] + pPos[1]*pPos[1] + pPos[2]*pPos[2] + 0.938*0.938) + TMath::Sqrt(pNeg[0]*pNeg[0] + pNeg[1]*pNeg[1] + pNeg[2]*pNeg[2] + 0.13957*0.13957);
+ Float_t esAL = TMath::Sqrt(pPos[0]*pPos[0] + pPos[1]*pPos[1] + pPos[2]*pPos[2] + 0.13957*0.13957) + TMath::Sqrt(pNeg[0]*pNeg[0] + pNeg[1]*pNeg[1] + pNeg[2]*pNeg[2] + 0.938*0.938);
+
+ Float_t massaL = TMath::Sqrt(esL*esL - pt*pt - pzs*pzs);
+ Float_t massaAL = TMath::Sqrt(esAL*esAL - pt*pt - pzs*pzs);
+
+ fHK0vsLambda->Fill(mass,TMath::Min(massaL,massaAL));
+
+ if(TMath::Abs(mass-0.497)/0.005 < 1 && massaL > 1.15 && massaAL > 1.15){
+ fPhiK0s[fNK0s] = phi;
+ fPtK0s[fNK0s] = pt;
+ fNK0s++;
+ }
+ }
+ }
+ }
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff