#include <AliTPCPIDResponse.h>
#include <AliTRDPIDResponse.h>
#include <AliTOFPIDResponse.h>
+#include <AliTPCdEdxInfo.h>
#include <AliESDEvent.h>
#include <AliAODEvent.h>
#include <AliESDv0.h>
#include <AliAODv0.h>
#include <AliESDv0KineCuts.h>
+#include <AliESDtrackCuts.h>
+
+#include <AliMCEvent.h>
#include "AliAnalysisTaskPIDqa.h"
fListQAitsSA(0x0),
fListQAitsPureSA(0x0),
fListQAtpc(0x0),
+fListQAtpcBasic(0x0),
+fListQAtpcMCtruth(0x0),
+fListQAtpcHybrid(0x0),
+fListQAtpcOROChigh(0x0),
+fListQAtpcV0(0x0),
fListQAtrd(0x0),
fListQAtrdNsig(0x0),
fListQAtrdNsigTPCTOF(0x0),
fListQAitsSA(0x0),
fListQAitsPureSA(0x0),
fListQAtpc(0x0),
+fListQAtpcBasic(0x0),
+fListQAtpcMCtruth(0x0),
+fListQAtpcHybrid(0x0),
+fListQAtpcOROChigh(0x0),
+fListQAtpcV0(0x0),
fListQAtrd(0x0),
fListQAtrdNsig(0x0),
fListQAtrdNsigTPCTOF(0x0),
fListQAtpc=new TList;
fListQAtpc->SetOwner();
fListQAtpc->SetName("TPC");
-
+
fListQAtrd=new TList;
fListQAtrd->SetOwner();
fListQAtrd->SetName("TRD");
fListQA->Add(fListQAinfo);
SetupITSqa();
- SetupTPCqa();
+// SetupTPCqa(kFALSE, kTRUE, kFALSE);
SetupTRDqa();
SetupTOFqa();
SetupT0qa();
}
}
+
+//______________________________________________________________________________
+void AliAnalysisTaskPIDqa::FillTPCHistogramsSignal(TList *sublist, Int_t scenario, AliVTrack *track, Int_t mult)
+{
+ //
+ // Fill PID qa histograms for the TPC: Fill the histograms for the TPC signal for different settings
+ //
+
+ AliMCEvent *eventMC=MCEvent(); // MC event for MC truth PID
+
+ Double_t mom=0.; // track momentum
+ Double_t eta=0.; // track eta
+ Double_t sig=0.; // TPC dE/dx signal
+ Double_t sigStd=0.; // TPC dE/dx signal (standard = all ROCs)
+ Double_t sigIROC=0.; // TPC dE/dx signal (IROC)
+ Double_t sigOROCmedium=0.; // TPC dE/dx signal (OROCmedium)
+ Double_t sigOROClong=0.; // TPC dE/dx signal (OROClong)
+ Double_t eleLineDist=0.; // difference between TPC signal and electron expectation
+ Int_t trackLabel=0; // label of the AliVTrack to identify the corresponding MCtrack
+ Int_t pdgCode=0; // pdgcode of MC track for MC truth scenario
+ Int_t pdgCodeAbs=0; // absolute value of pdgcode to get both particles and antiparticles
+ Int_t iSigMax=1; // number of TPC signals (std = 1, set automatically higher if available)
+ Int_t nSpecies=0; // number of particle species under study
+ Int_t count=0; // counter for the number of plot sets for all species (i.e. nsigma vs. p, eta and mult)
+
+ mom=track->GetTPCmomentum();
+ eta=track->Eta();
+ sigStd=track->GetTPCsignal();
+
+ eleLineDist=sigStd-fPIDResponse->GetTPCResponse().GetExpectedSignal(track,AliPID::kElectron);
+
+ // Get number of particle species (less for V0 candidates = scenarios 40-44)
+ if (scenario > 39) nSpecies=(Int_t)AliPID::kSPECIES;
+ else nSpecies=(Int_t)AliPID::kSPECIESC;
+
+ // Set number of plot sets for all species
+ // (i.e. only nsigma vs. p => count=1; also vs. eta and mult => count=3)
+ if ( scenario == 1 || scenario > 39) count=3;
+ else count=1;
+
+ // Get MC track ( --> can be deleted if TPC signal is NOT filled for scenario=1 (MC truth)
+ if (eventMC) {
+ trackLabel=TMath::Abs(track->GetLabel());
+ AliVTrack *mcTrack=(AliVTrack*)eventMC->GetTrack(trackLabel);
+ pdgCode=mcTrack->PdgCode();
+ pdgCodeAbs=TMath::Abs(pdgCode);
+ }
+
+ // Get TPC dE/dx info and different TPC signals (IROC, OROCmedium, OROClong)
+ AliTPCdEdxInfo* fTPCdEdxInfo = 0x0;
+ fTPCdEdxInfo = track->GetTPCdEdxInfo();
+
+ if (fTPCdEdxInfo) {
+ sigIROC=fTPCdEdxInfo->GetTPCsignalShortPad();
+ sigOROCmedium=fTPCdEdxInfo->GetTPCsignalMediumPad();
+ sigOROClong=fTPCdEdxInfo->GetTPCsignalLongPad();
+ iSigMax=4;
+
+ //printf("mom = %.3f sigStd = %.3f sigIROC = %.3f sigOROCmedium = %.3f sigOROClong = %.3f \n",mom,sigStd,sigIROC,sigOROCmedium,sigOROClong);
+ }
+
+
+ // TPC signal for all particles vs. momentum (standard, IROC, OROCmedium, OROClong)
+ TH2 *h1std=(TH2*)sublist->At(count*nSpecies+4);
+ if (h1std) {
+ h1std->Fill(mom,sigStd);
+ }
+
+ TH2 *h1iroc=(TH2*)sublist->At(count*nSpecies+5);
+ if ( h1iroc && sigIROC ) {
+ h1iroc->Fill(mom,sigIROC);
+ }
+
+ TH2 *h1orocm=(TH2*)sublist->At(count*nSpecies+6);
+ if (h1orocm && sigOROCmedium ) {
+ h1orocm->Fill(mom,sigOROCmedium);
+ }
+
+ TH2 *h1orocl=(TH2*)sublist->At(count*nSpecies+7);
+ if ( h1orocl && sigOROClong ) {
+ h1orocl->Fill(mom,sigOROClong);
+ }
+
+
+ // - Beginn: MIP pions: TPC signal vs. eta, TPC signal vs. mult -
+ if (mom>0.45 && mom<0.5 && sigStd>40 && sigStd<60) {
+
+ Bool_t isPionMC=kTRUE;
+
+ if (scenario == 1) {
+ if ( pdgCodeAbs != 211 && pdgCodeAbs != 111 ) isPionMC=kFALSE;
+ }
+
+ // MIP pions: TPC signal vs. eta (standard, IROC, OROCmedium, OROClong)
+ for (Int_t iSig=0; iSig<iSigMax; iSig++) {
+ if (iSig==0) sig=sigStd;
+ else if (iSig==1) sig=sigIROC;
+ else if (iSig==2) sig=sigOROCmedium;
+ else if (iSig==3) sig=sigOROClong;
+
+ TH2 *h2=(TH2*)sublist->At(count*nSpecies+8+iSig);
+ if ( h2 && isPionMC ) {
+ h2->Fill(eta,sig);
+ }
+ }
+
+ // MIP pions: TPC signal vs. mult (standard, IROC, OROCmedium, OROClong)
+ for (Int_t iSig=0; iSig<iSigMax; iSig++) {
+ if (iSig==0) sig=sigStd;
+ else if (iSig==1) sig=sigIROC;
+ else if (iSig==2) sig=sigOROCmedium;
+ else if (iSig==3) sig=sigOROClong;
+
+ TH2 *h3=(TH2*)sublist->At(count*nSpecies+12+iSig);
+ if ( h3 && isPionMC && mult > 0 ) {
+ h3->Fill(mult,sig);
+ }
+ }
+ } // - End: MIP pions -
+
+ // - Beginn: Electrons: TPC signal vs. eta, TPC signal vs. mult -
+ if (mom>0.32 && mom<0.38 && eleLineDist>-10. && eleLineDist<15.) {
+
+ Bool_t isElectronMC=kTRUE;
+
+ if (scenario == 1) {
+ if ( pdgCodeAbs != 11 ) isElectronMC=kFALSE;
+ }
+
+ // Electrons: TPC signal vs. eta (standard, IROC, OROCmedium, OROClong)
+ for (Int_t iSig=0; iSig<iSigMax; iSig++) {
+ if (iSig==0) sig=sigStd;
+ else if (iSig==1) sig=sigIROC;
+ else if (iSig==2) sig=sigOROCmedium;
+ else if (iSig==3) sig=sigOROClong;
+
+ TH2 *h4=(TH2*)sublist->At(count*nSpecies+16+iSig);
+ if ( h4 && isElectronMC ) {
+ h4->Fill(eta,sig);
+ }
+ }
+
+ // Electrons: TPC signal vs. mult (standard, IROC, OROCmedium, OROClong)
+ for (Int_t iSig=0; iSig<iSigMax; iSig++) {
+ if (iSig==0) sig=sigStd;
+ else if (iSig==1) sig=sigIROC;
+ else if (iSig==2) sig=sigOROCmedium;
+ else if (iSig==3) sig=sigOROClong;
+
+ TH2 *h5=(TH2*)sublist->At(count*nSpecies+20+iSig);
+ if ( h5 && isElectronMC && mult > 0 ) {
+ h5->Fill(mult,sig);
+ }
+ }
+ } // - End: Electrons -
+
+}
+
+//______________________________________________________________________________
+void AliAnalysisTaskPIDqa::FillTPCHistogramsNsigma(TList *sublist, Int_t scenario, AliVTrack *track, Int_t mult)
+{
+ //
+ // Fill PID qa histograms for the TPC: Fill the histograms for TPC Nsigma for different settings
+ //
+
+ AliMCEvent *eventMC=MCEvent(); // MC event for MC truth PID
+
+ Double_t mom=0.; // track momentum
+ Double_t eta=0.; // track eta
+ Double_t nSigma=0.; // number of sigmas wrt. expected signal
+ Double_t sig=0.; // TPC dE/dx signal
+ Double_t eleLineDist=0.; // difference between TPC signal and electron expectation
+ Int_t trackLabel=0; // label of the AliVTrack to identify the corresponding MCtrack
+ Int_t pdgCode=0; // pdgcode of MC track for MC truth scenario
+ Int_t pdgCodeAbs=0; // absolute value of pdgcode to get both particles and antiparticles
+ Int_t nSpecies=0; // number of particle species under study
+ Int_t count=0; // counter for the number of plot sets for all species (i.e. vs. p, eta and mult)
+
+ mom=track->GetTPCmomentum();
+ eta=track->Eta();
+ sig=track->GetTPCsignal();
+
+ eleLineDist=sig-fPIDResponse->GetTPCResponse().GetExpectedSignal(track,AliPID::kElectron);
+
+ // Get number of particle species (less for V0 candidates = scenarios 40-44)
+ if (scenario > 39) nSpecies=(Int_t)AliPID::kSPECIES;
+ else nSpecies=(Int_t)AliPID::kSPECIESC;
+
+ // Set number of plot sets for all species
+ // (i.e. only vs. p => count=1; also vs. eta and mult => count=3)
+ if ( scenario == 1 || scenario > 39 ) count=3;
+ else count=1;
+
+ // Get MC track
+ if (eventMC) {
+ trackLabel=TMath::Abs(track->GetLabel());
+ AliVTrack *mcTrack=(AliVTrack*)eventMC->GetTrack(trackLabel);
+ pdgCode=mcTrack->PdgCode();
+ pdgCodeAbs=TMath::Abs(pdgCode);
+ }
+
+
+ // - Beginn: Nsigma vs. p, vs. eta and vs. multiplicity for different particle species -
+ for (Int_t ispecie=0; ispecie<nSpecies; ++ispecie){
+
+ TH2 *h=(TH2*)sublist->At(ispecie);
+ if (!h) continue;
+
+ if (scenario == 1) {
+ if ( ispecie == 0 && pdgCodeAbs != 11 ) continue; // Electron
+ if ( ispecie == 1 && pdgCodeAbs != 13 ) continue; // Muon
+ if ( ispecie == 2 && pdgCodeAbs != 211 && pdgCodeAbs!=111 ) continue; // Pion
+ if ( ispecie == 3 && pdgCodeAbs != 321 && pdgCodeAbs!=311 ) continue; // Kaon
+ if ( ispecie == 4 && pdgCodeAbs != 2212 ) continue; // Proton
+ if ( ispecie == 5 && pdgCodeAbs != 1000010020 ) continue; // Deuteron
+ if ( ispecie == 6 && pdgCodeAbs != 1000010030 ) continue; // Triton
+ if ( ispecie == 7 && pdgCodeAbs != 1000020030 ) continue; // Helium-3
+ if ( ispecie == 8 && pdgCodeAbs != 1000020040 ) continue; // Alpha
+ }
+ else if (scenario > 39) {
+ if ( ispecie == 0 && scenario != 40 ) continue; // Electron
+ if ( ispecie == 1 ) continue; // Muon
+ if ( ispecie == 2 && scenario != 42 ) continue; // Pion
+ if ( ispecie == 3 && scenario != 43 ) continue; // Kaon
+ if ( ispecie == 4 && scenario != 44 ) continue; // Proton
+ }
+
+ if (scenario == 2) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie, AliTPCPIDResponse::kdEdxHybrid);
+ }
+ else if (scenario == 3) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie, AliTPCPIDResponse::kdEdxOROC);
+ }
+ else {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie);
+ }
+
+ h->Fill(mom,nSigma);
+
+ if (count == 3) {
+ TH2 *hEta=(TH2*)sublist->At(ispecie+nSpecies);
+ TH2 *hMult=(TH2*)sublist->At(ispecie+2*nSpecies);
+
+ if ( hEta ) hEta->Fill(eta,nSigma);
+ if ( hMult && mult > 0 ) hMult->Fill(mult,nSigma);
+ }
+ } // - End: different particle species -
+
+
+ // -- Beginn: Fill histograms for MIP pions and electrons (only for some scenarios) --
+ if ( scenario == 0 || scenario == 2 || scenario == 3 ) {
+
+ // - Beginn: MIP pions: Nsigma vs. eta, Nsigma vs. mult -
+ if (mom>0.45 && mom<0.5 && sig>40 && sig<60) {
+
+ Bool_t isPionMC=kTRUE;
+
+ TH2 *h1=(TH2*)sublist->At(count*nSpecies);
+ if (h1) {
+ if (scenario == 1) {
+ if ( pdgCodeAbs != 211 && pdgCodeAbs != 111 ) isPionMC=kFALSE;
+ if (isPionMC) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kPion);
+ }
+ }
+ else if (scenario == 2) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kPion, AliTPCPIDResponse::kdEdxHybrid);
+ }
+ else if (scenario == 3) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kPion, AliTPCPIDResponse::kdEdxOROC);
+ }
+ else nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kPion);
+
+ if (isPionMC) h1->Fill(eta,nSigma);
+ }
+
+ TH2 *h2m=(TH2*)sublist->At(count*nSpecies+1);
+ if ( h2m && isPionMC && mult > 0 ) {
+ h2m->Fill(mult,nSigma);
+ }
+
+ } // - End: MIP pions -
+
+ // - Beginn: Electrons: Nsigma vs. eta, Nsigma vs. mult -
+ if (mom>0.32 && mom<0.38 && eleLineDist>-10. && eleLineDist<15.) {
+
+ Bool_t isElectronMC=kTRUE;
+
+ TH2 *h3=(TH2*)sublist->At(count*nSpecies+2);
+ if (h3) {
+ if (scenario == 1) {
+ if ( pdgCodeAbs != 11 ) isElectronMC=kFALSE;
+ if (isElectronMC) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kElectron);
+ }
+ }
+ if (scenario == 2) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kElectron, AliTPCPIDResponse::kdEdxHybrid);
+ }
+ else if (scenario == 3) {
+ nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kElectron, AliTPCPIDResponse::kdEdxOROC);
+ }
+ else nSigma=fPIDResponse->NumberOfSigmasTPC(track, AliPID::kElectron);
+
+ if (isElectronMC) h3->Fill(eta,nSigma);
+ }
+
+ TH2 *h4m=(TH2*)sublist->At(count*nSpecies+3);
+ if ( h4m && isElectronMC && mult > 0 ) {
+ h4m->Fill(mult,nSigma);
+ }
+
+ } // - End: Electrons -
+ } // -- End: Fill histograms for MIP pions and electrons --
+
+}
+
//______________________________________________________________________________
void AliAnalysisTaskPIDqa::FillTPCqa()
{
//
// Fill PID qa histograms for the TPC
//
-
+
+ // switches for the different scenarios
+ Bool_t scBasic=1; // default/basic
+ Bool_t scMCtruth=1; // for MC truth tracks
+ Bool_t scHybrid=1; // for hybrid PID (only LHC11h)
+ Bool_t scOROChigh=1; // only OROC signal (only LHC11h)
+ Bool_t scV0=1; // for V0 candidates (only for ESDs available)
+ Int_t scCounter=0; // counter of scenarios, used for the histograms at the end of FillTPCqa
+
+ // input handler
+ AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
+ AliInputEventHandler *inputHandler=dynamic_cast<AliInputEventHandler*>(man->GetInputEventHandler());
+ if (!inputHandler) AliFatal("Input handler needed");
+
AliVEvent *event=InputEvent();
-
+
+ // ESD or AOD event needed to get reference multiplicity (not in AliVEvent)
+ AliAODEvent *fAODevent = 0x0; // AOD event
+ AliESDEvent *fESDevent = 0x0; // ESD event
+ AliESDtrackCuts *esdTrackCuts = 0x0; // ESD track Cuts (ref mult is in AliESDtrackCuts)
+
+ Double_t eta=0.; // track eta
+ Int_t mult=0; // event multiplicity (TPConlyRefMult)
+ //Int_t nacc=0; // counter for accepted multiplicity
+
+ // Check for MC
+ scMCtruth=(MCEvent()!=0x0);
+
+ // Check if period is data LHC11h by checking if
+ // the splines for ALLhigh have been set by AliPIDResponse
+ AliTPCPIDResponse &tpcResp=fPIDResponse->GetTPCResponse();
+ if (tpcResp.GetResponseFunction(AliPID::kPion, AliTPCPIDResponse::kALLhigh)==0x0) {
+ scHybrid = kFALSE;
+ scOROChigh = kFALSE;
+ }
+
+ // Check if "ESD" or "AOD" and get the corresponding event and the beam type (or centrality)
+ TString analysisType = inputHandler->GetDataType(); // can be "ESD" or "AOD"
+ if (analysisType == "ESD") {
+ fESDevent = dynamic_cast<AliESDEvent*>( InputEvent() );
+ esdTrackCuts = new AliESDtrackCuts("esdTrackCuts");
+ //printf("\n--- New event - event type = ESD \n");
+ }
+ else if (analysisType == "AOD") {
+ fAODevent = dynamic_cast<AliAODEvent*>( InputEvent() );
+ //printf("\n--- New event - event type = AOD \n");
+
+ // disable V0 scenario, because V0s are not available for AODs in this current implementation
+ scV0=0;
+ }
+
+ // Check if Basic list is already created
+ // If not: Go to SetupTPCqa and creat lists and histograms
+ if(!fListQAtpcBasic) {
+ //printf("\n--- No list QA TPC Basic found -> go to SetupTPCqa! ---\n");
+ SetupTPCqa(scMCtruth, scHybrid, scV0);
+ }
+
+ // Get the number of scenarios by counting those, which are switched on
+ if (scBasic) scCounter++;
+ if (scMCtruth) scCounter++;
+ if (scHybrid) scCounter++;
+ if (scOROChigh) scCounter++;
+ if (scV0) scCounter++;
+
+ // Get reference multiplicity for ESDs
+ if ( analysisType == "ESD" && esdTrackCuts ) {
+ mult=esdTrackCuts->GetReferenceMultiplicity(fESDevent,kTRUE);
+ }
+
+ // Get reference multiplicity for AODs
+ if ( analysisType == "AOD" && fAODevent ) {
+ mult=fAODevent->GetHeader()->GetTPConlyRefMultiplicity();
+ }
+
+ /*if (mult < 0) {
+ printf("Reference multiplicity not available \n");
+ //return;
+ }*/
+
+ //printf("The multiplicity is = %i ",mult);
+
+
+ // -- Begin: track loop --
Int_t ntracks=event->GetNumberOfTracks();
for(Int_t itrack = 0; itrack < ntracks; itrack++){
AliVTrack *track=(AliVTrack*)event->GetTrack(itrack);
-
+
//
//basic track cuts
//
if (track->GetTPCNclsF()>0) {
ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
}
-
+
if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
-
- Double_t mom=track->GetTPCmomentum();
- // the default scenario
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2 *h=(TH2*)fListQAtpc->At(ispecie);
- if (!h) continue;
- Double_t nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie);
- h->Fill(mom,nSigma);
+
+ eta=track->Eta();
+ if ( TMath::Abs(eta)>0.9 ) continue;
+
+ //nacc++; // counter for accepted multiplicity
+
+ // the default ("basic") scenario
+ if (scBasic == 1) {
+ FillTPCHistogramsNsigma(fListQAtpcBasic,0,track,mult);
+ FillTPCHistogramsSignal(fListQAtpcBasic,0,track,mult);
}
- // the "hybrid" scenario
- if (track->GetTPCdEdxInfo()){
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2 *h=(TH2*)fListQAtpc->At(ispecie+AliPID::kSPECIESC);
- if (!h) continue;
- Double_t nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie, AliTPCPIDResponse::kdEdxHybrid);
- h->Fill(mom,nSigma);
- }
- // the "OROC" scenario
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2 *h=(TH2*)fListQAtpc->At(ispecie+2*AliPID::kSPECIESC);
- if (!h) continue;
- Double_t nSigma=fPIDResponse->NumberOfSigmasTPC(track, (AliPID::EParticleType)ispecie, AliTPCPIDResponse::kdEdxOROC);
- //TSpline3* spline = fPIDResponse->GetTPCResponse().GetCurrentResponseFunction();
- //std::cout<<ispecie<<" "<<nSigma<<" phi:"<<track->Phi()<<". "<<std::endl;
- //if (spline) {cout<<spline->GetName()<<endl;}
- //else {cout<<"NULL spline"<<endl;}
- h->Fill(mom,nSigma);
- }
+ // only MC truth identified particles
+ if (scMCtruth == 1) {
+ FillTPCHistogramsNsigma(fListQAtpcMCtruth,1,track,mult);
}
-
- TH2 *h=(TH2*)fListQAtpc->At(3*AliPID::kSPECIESC);
- if (h) {
- Double_t sig=track->GetTPCsignal();
- h->Fill(mom,sig);
+ // the "hybrid" scenario (only for LHC11h)
+ if (scHybrid == 1) {
+ FillTPCHistogramsNsigma(fListQAtpcHybrid,2,track,mult);
}
+
+ // the "OROC high" scenario (only for LHC11h)
+ if (scOROChigh == 1) {
+ FillTPCHistogramsNsigma(fListQAtpcOROChigh,3,track,mult);
+ }
+
+ } // -- End: track loop --
+
+
+ // -- Begin: track loops for V0 candidates --
+ if (scV0 == 1) {
+
+ // - Begin: track loop for electrons from V0 -
+ for(Int_t itrack = 0; itrack < fV0electrons->GetEntries(); itrack++){
+ AliVTrack *track=(AliVTrack*)fV0electrons->At(itrack);
+
+ //
+ //basic track cuts
+ //
+ ULong_t status=track->GetStatus();
+ // not that nice. status bits not in virtual interface
+ // TPC refit + ITS refit + TPC pid
+ if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
+ !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ) continue;
+
+ // The TPC pid cut removes the light nuclei (>5 sigma from proton line)
+ //|| !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid )
+ Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
+ Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
+ if (track->GetTPCNclsF()>0) {
+ ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
+ }
+
+ if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
+
+ eta=track->Eta();
+ if ( TMath::Abs(eta)>0.9 ) continue;
+
+ // fill histograms for V0 candidates
+ FillTPCHistogramsNsigma(fListQAtpcV0,40,track,mult);
+
+ } // - End: track loop for electrons from V0 -
+
+
+ // - Begin: track loop for pions from V0 -
+ for(Int_t itrack = 0; itrack < fV0pions->GetEntries(); itrack++){
+ AliVTrack *track=(AliVTrack*)fV0pions->At(itrack);
+
+ //
+ //basic track cuts
+ //
+ ULong_t status=track->GetStatus();
+ // not that nice. status bits not in virtual interface
+ // TPC refit + ITS refit + TPC pid
+ if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
+ !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ) continue;
+
+ // The TPC pid cut removes the light nuclei (>5 sigma from proton line)
+ //|| !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid )
+ Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
+ Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
+ if (track->GetTPCNclsF()>0) {
+ ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
+ }
+
+ if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
+
+ eta=track->Eta();
+ if ( TMath::Abs(eta)>0.9 ) continue;
+
+ // fill histograms for V0 candidates
+ FillTPCHistogramsNsigma(fListQAtpcV0,42,track,mult);
+
+ } // - End: track loop for pions from V0 -
+
+
+ // - Begin: track loop for kaons from V0 -
+ for(Int_t itrack = 0; itrack < fV0kaons->GetEntries(); itrack++){
+ AliVTrack *track=(AliVTrack*)fV0kaons->At(itrack);
+
+ //
+ //basic track cuts
+ //
+ ULong_t status=track->GetStatus();
+ // not that nice. status bits not in virtual interface
+ // TPC refit + ITS refit + TPC pid
+ if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
+ !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ) continue;
+
+ // The TPC pid cut removes the light nuclei (>5 sigma from proton line)
+ //|| !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid )
+ Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
+ Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
+ if (track->GetTPCNclsF()>0) {
+ ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
+ }
+
+ if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
+
+ eta=track->Eta();
+ if ( TMath::Abs(eta)>0.9 ) continue;
+
+ // fill histograms for V0 candidates
+ FillTPCHistogramsNsigma(fListQAtpcV0,43,track,mult);
+
+ } // - End: track loop for kaons from V0 -
+
+
+ // - Begin: track loop for protons from V0 -
+ for(Int_t itrack = 0; itrack < fV0protons->GetEntries(); itrack++){
+ AliVTrack *track=(AliVTrack*)fV0protons->At(itrack);
+
+ //
+ //basic track cuts
+ //
+ ULong_t status=track->GetStatus();
+ // not that nice. status bits not in virtual interface
+ // TPC refit + ITS refit + TPC pid
+ if (!( (status & AliVTrack::kTPCrefit) == AliVTrack::kTPCrefit) ||
+ !( (status & AliVTrack::kITSrefit) == AliVTrack::kITSrefit) ) continue;
+
+ // The TPC pid cut removes the light nuclei (>5 sigma from proton line)
+ //|| !( (status & AliVTrack::kTPCpid ) == AliVTrack::kTPCpid )
+ Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
+ Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
+ if (track->GetTPCNclsF()>0) {
+ ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC/track->GetTPCNclsF();
+ }
+
+ if ( nCrossedRowsTPC<70 || ratioCrossedRowsOverFindableClustersTPC<.8 ) continue;
+
+ eta=track->Eta();
+ if ( TMath::Abs(eta)>0.9 ) continue;
+
+ // fill histograms for V0 candidates
+ FillTPCHistogramsNsigma(fListQAtpcV0,44,track,mult);
+
+ } // - End: track loop for protons from V0 -
+
+ } // -- End: track loops for V0 candidates --
+
+
+ // Multiplicity distribution
+ TH1 *hm=(TH1*)fListQAtpc->At(scCounter);
+ if (hm) {
+ hm->Fill(mult);
}
+
+ //printf("\nAccepted multiplicity = %i \n --- END of event --- \n",nacc);
+
}
//______________________________________________________________________________
delete vX;
}
-//______________________________________________________________________________
-void AliAnalysisTaskPIDqa::SetupTPCqa()
+//_____________________________________________________________________________
+void AliAnalysisTaskPIDqa::AddTPCHistogramsSignal(TList *sublist, const char *scenario)
{
//
- // Create the TPC qa objects
+ // Create the TPC qa objects: create histograms for the TPC signal for different settings
//
-
+
TVectorD *vX=MakeLogBinning(200,.1,30);
+ Int_t nBinsMult = 38;
+ Double_t xBinsMult[39] = {0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100,
+ 120, 140, 160, 180, 200,
+ 300, 400, 500, 600, 700, 800, 900, 1000,
+ 1200, 1400, 1600, 1800, 2000,
+ 2200, 2400, 2600, 2800, 3000,
+ 3200, 3400, 3600, 3800, 4000
+ };
+ const Int_t binsEta=110;
+ Float_t etaMin=-1.1;
+ Float_t etaMax=1.1;
+
+ char signal[4][12]={"std","IROC","OROCmedium","OROClong"};
+
+
+ // TPC signal vs. p for all particles (standard, IROC, OROCmedium, OROClong)
+ for (Int_t iSig=0; iSig<4; iSig++) {
+ TH2F *hSigP = new TH2F(Form("hSigP_TPC_%s_%s",signal[iSig],scenario),
+ Form("TPC_%s signal (%s) vs. p;p [GeV]; TPC signal [arb. units]",scenario,signal[iSig]),
+ vX->GetNrows()-1,vX->GetMatrixArray(),
+ 300,0,300);
+ sublist->Add(hSigP);
+ }
+
+ // MIP pions: TPC signal vs. eta
+ for (Int_t iSig=0; iSig<4; iSig++) {
+ TH2F *hSigEtaMIPpi = new TH2F(Form("hSigEta_TPC_%s_%s_MIPpi",signal[iSig],scenario),
+ Form("TPC_%s signal (%s) MIPpi vs. eta;#eta;TPC signal [arb. units]",scenario,signal[iSig]),
+ binsEta,etaMin,etaMax,
+ 300,0,300);
+ sublist->Add(hSigEtaMIPpi);
+ }
+
+ // MIP pions: TPC signal vs. multiplicity
+ for (Int_t iSig=0; iSig<4; iSig++) {
+ TH2F *hSigMultMPIpi = new TH2F(Form("hSigMult_TPC_%s_%s_MIPpi",signal[iSig],scenario),
+ Form("TPC_%s signal (%s) MIPpi vs. mult;multiplicity;TPC signal [arb. units]",scenario,signal[iSig]),
+ nBinsMult,xBinsMult,
+ 300,0,300);
+ sublist->Add(hSigMultMPIpi);
+ }
+
+ // Electrons: TPC signal vs. eta
+ for (Int_t iSig=0; iSig<4; iSig++) {
+ TH2F *hSigEtaEle = new TH2F(Form("hSigEta_TPC_%s_%s_Ele",signal[iSig],scenario),
+ Form("TPC_%s signal (%s) electrons vs. eta;#eta;TPC signal [arb. units]",scenario,signal[iSig]),
+ binsEta,etaMin,etaMax,
+ 300,0,300);
+ sublist->Add(hSigEtaEle);
+ }
+
+ // Electrons: TPC signal vs. multiplicity
+ for (Int_t iSig=0; iSig<4; iSig++) {
+ TH2F *hSigMultEle = new TH2F(Form("hSigMult_TPC_%s_%s_Ele",signal[iSig],scenario),
+ Form("TPC_%s signal (%s) electrons vs. mult;multiplicity;TPC signal [arb. units]",scenario,signal[iSig]),
+ nBinsMult,xBinsMult,
+ 300,0,300);
+ sublist->Add(hSigMultEle);
+ }
+
+ delete vX;
+
+}
+
+//_____________________________________________________________________________
+void AliAnalysisTaskPIDqa::AddTPCHistogramsNsigma(TList *sublist, const char *scenario, Int_t scnumber)
+{
+ //
+ // Create the TPC qa objects: create histograms for TPC Nsigma for different settings
+ //
+
+ TVectorD *vX=MakeLogBinning(200,.1,30.);
+ Int_t nBinsMult = 38;
+ Double_t xBinsMult[39] = {0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100,
+ 120, 140, 160, 180, 200,
+ 300, 400, 500, 600, 700, 800, 900, 1000,
+ 1200, 1400, 1600, 1800, 2000,
+ 2200, 2400, 2600, 2800, 3000,
+ 3200, 3400, 3600, 3800, 4000
+ };
+ const Int_t binsEta=110;
+ Float_t etaMin=-1.1;
+ Float_t etaMax=1.1;
+
+ Int_t nSpecies=0;
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s",AliPID::ParticleName(ispecie)),
- Form("TPC n#sigma %s vs. p;p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
+ if (scnumber == 4) nSpecies=(Int_t)AliPID::kSPECIES;
+ else nSpecies=(Int_t)AliPID::kSPECIESC;
+
+ // Nsigma vs. p for different particle species
+ for (Int_t ispecie=0; ispecie<nSpecies; ++ispecie){
+ TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s_%s",scenario,AliPID::ParticleName(ispecie)),
+ Form("TPC_%s n#sigma %s vs. p;p [GeV]; n#sigma",scenario,AliPID::ParticleName(ispecie)),
vX->GetNrows()-1,vX->GetMatrixArray(),
200,-10,10);
- fListQAtpc->Add(hNsigmaP);
+ sublist->Add(hNsigmaP);
}
- // the "hybrid" scenario
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s_Hybrid",AliPID::ParticleName(ispecie)),
- Form("TPC n#sigma %s vs. p (Hybrid gain scenario);p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
- vX->GetNrows()-1,vX->GetMatrixArray(),
+ // Nsigma vs. eta for different particle species (only for some scenarios)
+ if ( scnumber == 1 || scnumber == 4 ) {
+ for (Int_t ispecie=0; ispecie<nSpecies; ++ispecie){
+ TH2F *hNsigmaEta = new TH2F(Form("hNsigmaEta_TPC_%s_%s",scenario,AliPID::ParticleName(ispecie)),
+ Form("TPC_%s n#sigma %s vs. eta;#eta; n#sigma",scenario,AliPID::ParticleName(ispecie)),
+ binsEta,etaMin,etaMax,
200,-10,10);
- fListQAtpc->Add(hNsigmaP);
+ sublist->Add(hNsigmaEta);
+ }
}
-
- // the "OROC high" scenario
- for (Int_t ispecie=0; ispecie<AliPID::kSPECIESC; ++ispecie){
- TH2F *hNsigmaP = new TH2F(Form("hNsigmaP_TPC_%s_OROChigh",AliPID::ParticleName(ispecie)),
- Form("TPC n#sigma %s vs. p (OROChigh gain scenario);p [GeV]; n#sigma",AliPID::ParticleName(ispecie)),
- vX->GetNrows()-1,vX->GetMatrixArray(),
+
+ // Nsigma vs. multiplicity for different particle species (only for some scenarios)
+ if ( scnumber == 1 || scnumber == 4 ) {
+ for (Int_t ispecie=0; ispecie<nSpecies; ++ispecie){
+ TH2F *hNsigmaMult = new TH2F(Form("hNsigmaMult_TPC_%s_%s",scenario,AliPID::ParticleName(ispecie)),
+ Form("TPC_%s n#sigma %s vs. mult;multiplicity; n#sigma",scenario,AliPID::ParticleName(ispecie)),
+ nBinsMult,xBinsMult,
200,-10,10);
- fListQAtpc->Add(hNsigmaP);
+ sublist->Add(hNsigmaMult);
+ }
}
+
+ // - Beginn: Adding histograms for MIP pions and electrons (only for some scenarios) -
+ if ( scnumber == 0 || scnumber == 2 || scnumber == 3 ) {
+
+ // MIP pions: Nsigma vs. eta
+ TH2F *hNsigmaEtaMIPpi = new TH2F(Form("hNsigmaEta_TPC_%s_MIPpi",scenario),
+ Form("TPC_%s n#sigma MIPpi vs. eta;#eta; n#sigma",scenario),
+ binsEta,etaMin,etaMax,
+ 200,-10,10);
+ sublist->Add(hNsigmaEtaMIPpi);
+
+ // MIP pions: Nsigma vs. multiplicity
+ TH2F *hNsigmaMultMIPpi = new TH2F(Form("hNsigmaMult_TPC_%s_MIPpi",scenario),
+ Form("TPC_%s n#sigma MIPpi vs. mult;multiplicity; n#sigma",scenario),
+ nBinsMult,xBinsMult,
+ 200,-10,10);
+ sublist->Add(hNsigmaMultMIPpi);
+
+ // Electrons: Nsigma vs. eta
+ TH2F *hNsigmaEtaEle = new TH2F(Form("hNsigmaEta_TPC_%s_Ele",scenario),
+ Form("TPC_%s n#sigma electrons vs. eta;#eta; n#sigma",scenario),
+ binsEta,etaMin,etaMax,
+ 200,-10,10);
+ sublist->Add(hNsigmaEtaEle);
+
+ // Electrons: Nsigma vs. multiplicity
+ TH2F *hNsigmaMultEle = new TH2F(Form("hNsigmaMult_TPC_%s_Ele",scenario),
+ Form("TPC_%s n#sigma electrons vs. mult;multiplicity; n#sigma",scenario),
+ nBinsMult,xBinsMult,
+ 200,-10,10);
+ sublist->Add(hNsigmaMultEle);
+ } // - End: Adding histograms for MIP pions and electrons
+
+ delete vX;
+
+}
+
+//______________________________________________________________________________
+void AliAnalysisTaskPIDqa::SetupTPCqa(Bool_t fillMC, Bool_t fill11h, Bool_t fillV0)
+{
+ //
+ // Create the TPC qa objects
+ //
+ // Set up the multiplicity binning
+ Int_t nBinsMult = 38;
+ Double_t xBinsMult[39] = {0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100,
+ 120, 140, 160, 180, 200,
+ 300, 400, 500, 600, 700, 800, 900, 1000,
+ 1200, 1400, 1600, 1800, 2000,
+ 2200, 2400, 2600, 2800, 3000,
+ 3200, 3400, 3600, 3800, 4000
+ };
+
+
+ // Create TPC sublists for different scenarios
+ // corresponding to available information,
+ // e.g. MC or not, special settings for LHC11h
+
+ // basic/default scenario, used always
+ fListQAtpcBasic=new TList;
+ fListQAtpcBasic->SetOwner();
+ fListQAtpcBasic->SetName("TPCBasic");
+ fListQAtpc->Add(fListQAtpcBasic);
+
+ // MC truth scenario: use only MC truth identified particles
+ // only available for MC
+ if (fillMC == kTRUE) {
+ fListQAtpcMCtruth=new TList;
+ fListQAtpcMCtruth->SetOwner();
+ fListQAtpcMCtruth->SetName("TPCMCtruth");
+ fListQAtpc->Add(fListQAtpcMCtruth);
+ }
+ // Hybrid and OROChigh scenarios,
+ // special settings only available for PbPb LHC11h data
+ if (fill11h == kTRUE) {
+ fListQAtpcHybrid=new TList;
+ fListQAtpcHybrid->SetOwner();
+ fListQAtpcHybrid->SetName("TPCHybrid");
+ fListQAtpc->Add(fListQAtpcHybrid);
- TH2F *hSig = new TH2F("hSigP_TPC",
- "TPC signal vs. p;p [GeV]; TPC signal [arb. units]",
- vX->GetNrows()-1,vX->GetMatrixArray(),
- 500,0,1000);
- fListQAtpc->Add(hSig); //3*AliPID::kSPECIESC
+ fListQAtpcOROChigh=new TList;
+ fListQAtpcOROChigh->SetOwner();
+ fListQAtpcOROChigh->SetName("TPCOROChigh");
+ fListQAtpc->Add(fListQAtpcOROChigh);
+ }
+
+ // scenario only for V0s,
+ // only available for ESDs
+ if (fillV0 == kTRUE) {
+ fListQAtpcV0=new TList;
+ fListQAtpcV0->SetOwner();
+ fListQAtpcV0->SetName("TPCV0");
+ fListQAtpc->Add(fListQAtpcV0);
+ }
+
+
+ // the default ("basic") scenario
+ AddTPCHistogramsNsigma(fListQAtpcBasic,"Basic",0);
+ AddTPCHistogramsSignal(fListQAtpcBasic,"Basic");
+
+ // only MC truth identified particles
+ if (fillMC) {
+ AddTPCHistogramsNsigma(fListQAtpcMCtruth,"MCtruth",1);
+ }
+
+ // the "hybrid" scenario (only for period LHC11h)
+ if (fill11h) {
+ AddTPCHistogramsNsigma(fListQAtpcHybrid,"Hybrid",2);
+ }
+
+ // the "OROC high" scenario (only for period LHC11h)
+ if (fill11h) {
+ AddTPCHistogramsNsigma(fListQAtpcOROChigh,"OROChigh",3);
+ }
+
+ // only for V0s
+ if (fillV0) {
+ AddTPCHistogramsNsigma(fListQAtpcV0,"V0",4);
+ }
+
+
+ // Multiplicity distribution --- as check
+ TH1F *hMult = new TH1F("hMult_TPC",
+ "Multiplicity distribution;multiplicity;counts",
+ nBinsMult,xBinsMult);
+ fListQAtpc->Add(hMult);
- delete vX;
}
//______________________________________________________________________________