#include <TFile.h>
#include <TH1F.h>
#include <TH2F.h>
+#include <TH3F.h>
#include <THnSparse.h>
#include <TLorentzVector.h>
#include <TList.h>
#include "AliESDHeader.h"
#include "AliESDInputHandler.h"
#include "AliESDUtils.h"
-#include "AliESDpid.h"
#include "AliESDtrack.h"
#include "AliESDtrackCuts.h"
-#include "AliESDv0.h"
-#include "AliKFParticle.h"
#include "AliMCEvent.h"
#include "AliMCEventHandler.h"
#include "AliStack.h"
fTrigBit("kEMC7"),
fIsTrain(0),
fIsMc(0),
+ fDebug(0),
+ fPathStrOpt("/"),
fExoticCut(0.97),
fIsoConeR(0.4),
fNDimensions(7),
fECut(3.),
fTrackMult(0),
+ fMcIdFamily(""),
+ fNClusForDirPho(0),
+ fDirPhoPt(0),
+ fHigherPtCone(0),
fESD(0),
fMCEvent(0),
fStack(0),
fOutputList(0),
fEvtSel(0),
fNClusEt10(0),
- fPVtxZ(0),
- fDirPhotonPtMC(0),
+ fRecoPV(0),
+ fPVtxZ(0),
+ fTrMultDist(0),
+ fMCDirPhotonPtEtaPhi(0),
fDecayPhotonPtMC(0),
fCellAbsIdVsAmpl(0),
fNClusHighClusE(0),
+ fHigherPtConeM02(0),
+ fClusEtMcPt(0),
+ fClusMcDetaDphi(0),
+ fNClusPerPho(0),
+ fMCDirPhotonPtEtaPhiNoClus(0),
fHnOutput(0)
{
// Default constructor.
fTrigBit("kEMC7"),
fIsTrain(0),
fIsMc(0),
+ fDebug(0),
+ fPathStrOpt("/"),
fExoticCut(0.97),
fIsoConeR(0.4),
fNDimensions(7),
fECut(3.),
fTrackMult(0),
+ fMcIdFamily(""),
+ fNClusForDirPho(0),
+ fDirPhoPt(0),
+ fHigherPtCone(0),
fESD(0),
fMCEvent(0),
fStack(0),
fOutputList(0),
fEvtSel(0),
fNClusEt10(0),
+ fRecoPV(0),
fPVtxZ(0),
- fDirPhotonPtMC(0),
+ fTrMultDist(0),
+ fMCDirPhotonPtEtaPhi(0),
fDecayPhotonPtMC(0),
fCellAbsIdVsAmpl(0),
fNClusHighClusE(0),
+ fHigherPtConeM02(0),
+ fClusEtMcPt(0),
+ fClusMcDetaDphi(0),
+ fNClusPerPho(0),
+ fMCDirPhotonPtEtaPhiNoClus(0),
fHnOutput(0)
{
// Constructor
fOutputList = new TList();
fOutputList->SetOwner();// Container cleans up all histos (avoids leaks in merging)
- fGeom = AliEMCALGeometry::GetInstance(fGeoName);
+ fGeom = AliEMCALGeometry::GetInstance(fGeoName.Data());
fEvtSel = new TH1F("hEvtSel","Event selection counter (0=all trg, 1=pvz cut) ;evt cut ;dN/dcut}",2,0,2);
fOutputList->Add(fEvtSel);
fNClusEt10 = new TH1F("hNClusEt10","# of cluster with E_{T}>10 per event;E;",101,-0.5,100.5);
fOutputList->Add(fNClusEt10);
+ fRecoPV = new TH1F("hRecoPV","Prim. vert. reconstruction (yes or no);reco (0=no, 1=yes) ;",2,-0.5,1.5);
+ fOutputList->Add(fRecoPV);
+
fPVtxZ = new TH1F("hPVtxZ","primary vertex Z before cut;prim-vz(cm) ;",200,-100,100);
fOutputList->Add(fPVtxZ);
- fDirPhotonPtMC = new TH1F("hDirPhotonPtMC","photon (gq->#gammaq) p_{T};GeV/c;dN/dp_{T} (c GeV^{-1})",1000,0,100);
- fDirPhotonPtMC->Sumw2();
- fOutputList->Add(fDirPhotonPtMC);
+ fTrMultDist = new TH1F("fTrMultDist","track multiplicity;tracks/event;#events",200,0.5,200.5);
+ fOutputList->Add(fTrMultDist);
+
+ fMCDirPhotonPtEtaPhi = new TH3F("hMCDirPhotonPtEtaPhi","photon (gq->#gammaq) p_{T}, #eta, #phi;GeV/c;#eta;#phi",1000,0,100,154,-0.77,0.77,130,1.38,3.20);
+ fMCDirPhotonPtEtaPhi->Sumw2();
+ fOutputList->Add(fMCDirPhotonPtEtaPhi);
fDecayPhotonPtMC = new TH1F("hDecayPhotonPtMC","decay photon p_{T};GeV/c;dN/dp_{T} (c GeV^{-1})",1000,0,100);
fDecayPhotonPtMC->Sumw2();
fNClusHighClusE = new TH2F("hNClusHighClusE","total number of clusters vs. highest clus energy in the event;E (GeV);NClus",200,0,100,301,-0.5,300.5);
fOutputList->Add(fNClusHighClusE);
- Int_t nEt=1000, nM02=400, nCeIso=1000, nTrIso=1000, nAllIso=1000, nCeIsoNoUE=1000, nAllIsoNoUE=1000, nTrClDphi=200, nTrClDeta=100, nClEta=140, nClPhi=128, nTime=60, nMult=20;
- Int_t bins[] = {nEt, nM02, nCeIso, nTrIso, nAllIso, nCeIsoNoUE, nAllIsoNoUE, nTrClDphi, nTrClDeta,nClEta,nClPhi,nTime,nMult};
+ fHigherPtConeM02 = new TH2F("hHigherPtConeM02","#lambda_{0}^{2} vs. in-cone-p_{T}^{max};p_{T}^{max} (GeV/c, in the cone);#lambda_{0}^{2}",1000,0,100,400,0,4);
+ fOutputList->Add(fHigherPtConeM02);
+
+ fClusEtMcPt = new TH2F("hClusEtMcPt","E_{T}^{clus} vs. p_{T}^{mc}; p_{T}^{mc};E_{T}^{clus}",500,0,100,500,0,100);
+ fOutputList->Add(fClusEtMcPt);
+
+ fClusMcDetaDphi = new TH2F("hClusMcDetaDphi","#Delta#phi vs. #Delta#eta (reco-mc);#Delta#eta;#Delta#phi",100,-.7,.7,100,-.7,.7);
+ fOutputList->Add(fClusMcDetaDphi);
+
+ fNClusPerPho = new TH2F("hNClusPerPho","Number of clusters per prompt photon;p_{T}^{MC};N_{clus}",500,0,100,11,-0.5,10.5);
+ fOutputList->Add(fNClusPerPho);
+
+ fMCDirPhotonPtEtaPhiNoClus = new TH3F("hMCDirPhotonPhiEtaNoClus","p_{T}, #eta and #phi of prompt photons with no reco clusters;p_{T};#eta;#phi",1000,0,100,154,-0.77,0.77,130,1.38,3.20);
+ fOutputList->Add(fMCDirPhotonPtEtaPhiNoClus);
+
+ Int_t nEt=1000, nM02=400, nCeIso=1000, nTrIso=1000, nAllIso=1000, nCeIsoNoUE=1000, nAllIsoNoUE=1000, nTrClDphi=200, nTrClDeta=100, nClEta=140, nClPhi=128, nTime=60, nMult=100, nPhoMcPt=101;
+ Int_t bins[] = {nEt, nM02, nCeIso, nTrIso, nAllIso, nCeIsoNoUE, nAllIsoNoUE, nTrClDphi, nTrClDeta,nClEta,nClPhi,nTime,nMult,nPhoMcPt};
fNDimensions = sizeof(bins)/sizeof(Int_t);
const Int_t ndims = fNDimensions;
- Double_t xmin[] = { 0., 0., -10., -10., -10., -10., -10., -0.1,-0.05, -0.7, 1.4,-0.15e-06,-0.5};
- Double_t xmax[] = { 100., 4., 190., 190., 190., 190., 190., 0.1, 0.05, 0.7, 3.192, 0.15e-06,99.5};
- fHnOutput = new THnSparseF("fHnOutput","Output matrix: E_{T},M02,CeIso,TrIso,AllIso, CeIsoNoUESub, AllIsoNoUESub, d#phi_{trk},d#eta_{trk},#eta_{clus},#phi_{clus},T_{max},mult", ndims, bins, xmin, xmax);
+ Double_t xmin[] = { 0., 0., -10., -10., -10., -10., -10., -0.1,-0.05, -0.7, 1.4,-0.15e-06,-0.5,-1.5};
+ Double_t xmax[] = { 100., 4., 190., 190., 190., 190., 190., 0.1, 0.05, 0.7, 3.192, 0.15e-06,99.5,99.5};
+ fHnOutput = new THnSparseF("fHnOutput","Output matrix: E_{T},M02,CeIso,TrIso,AllIso, CeIsoNoUESub, AllIsoNoUESub, d#phi_{trk},d#eta_{trk},#eta_{clus},#phi_{clus},T_{max},mult,mc-p_{T}^{#gamma}", ndims, bins, xmin, xmax);
fOutputList->Add(fHnOutput);
if(fTrigBit.Contains("kEMC"))
isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kEMC7);
else
- isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kINT7);
+ if(fTrigBit.Contains("kMB"))
+ isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB);
+ else
+ isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kINT7);
}
if(fIsMc)
isSelected = kTRUE;
+ if(fDebug)
+ printf("isSelected = %d, fIsMC=%d\n", isSelected, fIsMc);
if(!isSelected )
return;
-
+ if(fIsMc){
+ TTree *tree = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->GetTree();
+ TFile *file = (TFile*)tree->GetCurrentFile();
+ TString filename = file->GetName();
+ if(!filename.Contains(fPathStrOpt.Data()))
+ return;
+ }
fESD = dynamic_cast<AliESDEvent*>(InputEvent());
if (!fESD) {
printf("ERROR: fESD not available\n");
}
fEvtSel->Fill(0);
+ if(fDebug)
+ printf("fESD is ok\n");
AliESDVertex *pv = (AliESDVertex*)fESD->GetPrimaryVertex();
- if(!pv)
+ if(!pv)
return;
+ if(!pv->GetStatus())
+ fRecoPV->Fill(0);
+ else
+ fRecoPV->Fill(1);
fPVtxZ->Fill(pv->GetZ());
if(TMath::Abs(pv->GetZ())>15)
return;
+ if(fDebug)
+ printf("passed vertex cut\n");
fEvtSel->Fill(1);
- if (!fTracks)
- fTracks = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("Tracks"));
+ fTracks = dynamic_cast<TClonesArray*>(InputEvent()->FindListObject("Tracks"));
+ if(!fTracks){
+ AliError("Track array in event is NULL!");
+ return;
+ }
// Track loop to fill a pT spectrum
const Int_t Ntracks = fTracks->GetEntriesFast();
for (Int_t iTracks = 0; iTracks < Ntracks; ++iTracks) {
}
}
AliESDtrackCuts *fTrackCuts = new AliESDtrackCuts();
- fTrackMult = fTrackCuts->GetReferenceMultiplicity(fESD);//kTrackletsITSTPC ,0.5);
+ fTrackMult = fTrackCuts->GetReferenceMultiplicity(fESD);//kTrackletsITSTPC ,0.5);
+ fTrMultDist->Fill(fTrackMult);
fESD->GetEMCALClusters(fCaloClusters);
fEMCalCells = fESD->GetEMCALCells();
- FillClusHists();
-
- fCaloClusters->Clear();
- fSelPrimTracks->Clear();
fMCEvent = MCEvent();
- if(fMCEvent)
+ if(fMCEvent){
+ if(fDebug)
+ std::cout<<"MCevent exists\n";
fStack = (AliStack*)fMCEvent->Stack();
+ }
+ else{
+ if(fDebug)
+ std::cout<<"ERROR: NO MC EVENT!!!!!!\n";
+ }
+ FollowGamma();
+ if(fDebug)
+ printf("passed calling of FollowGamma\n");
+ FillClusHists();
+ if(fDebug)
+ printf("passed calling of FillClusHists\n");
FillMcHists();
+ if(fDebug)
+ printf("passed calling of FillMcHists\n");
+
+ fCaloClusters->Clear();
+ fSelPrimTracks->Clear();
+ fNClusForDirPho = 0;
PostData(1, fOutputList);
}
const Int_t nclus = fCaloClusters->GetEntries();
if(nclus==0)
return;
+ if(fDebug)
+ printf("Inside FillClusHists and there are %d clusters\n",nclus);
Double_t maxE = 0;
Int_t nclus10 = 0;
+ Double_t ptmc=-1;
for(Int_t ic=0;ic<nclus;ic++){
maxE=0;
AliESDCaloCluster *c = static_cast<AliESDCaloCluster*>(fCaloClusters->At(ic));
c->GetPosition(clsPos);
TVector3 clsVec(clsPos);
Double_t Et = c->E()*TMath::Sin(clsVec.Theta());
+ if(fDebug)
+ printf("\tcluster eta=%1.1f,phi=%1.1f,E=%1.1f\n",clsVec.Eta(),clsVec.Phi(),c->E());
if(Et>10)
nclus10++;
Float_t ceiso, cephiband, cecore;
Float_t netConeArea = TMath::Pi()*(fIsoConeR*fIsoConeR - 0.04*0.04);
GetCeIso(clsVec, ceiso, cephiband, cecore);
GetTrIso(clsVec, triso, trphiband, trcore);
+ Double_t dr = TMath::Sqrt(c->GetTrackDx()*c->GetTrackDx() + c->GetTrackDz()*c->GetTrackDz());
+ if(Et>10 && Et<15 && dr>0.025){
+ fHigherPtConeM02->Fill(fHigherPtCone,c->GetM02());
+ if(fDebug)
+ printf("\t\tHigher track pt inside the cone: %1.1f GeV/c; M02=%1.2f\n",fHigherPtCone,c->GetM02());
+ }
alliso = ceiso + triso;
allphiband = cephiband + trphiband;
allcore = cecore + trcore;
Float_t allisoue = allphiband/phibandArea*netConeArea;
const Int_t ndims = fNDimensions;
Double_t outputValues[ndims];
+ ptmc = GetClusSource(c);
outputValues[0] = Et;
outputValues[1] = c->GetM02();
outputValues[2] = ceiso-cecore-ceisoue;
outputValues[10] = clsVec.Phi();
outputValues[11] = fEMCalCells->GetCellTime(id);
outputValues[12] = fTrackMult;
+ outputValues[13] = ptmc;
fHnOutput->Fill(outputValues);
if(c->E()>maxE)
maxE = c->E();
}
fNClusHighClusE->Fill(maxE,nclus);
fNClusEt10->Fill(nclus10);
+ fNClusPerPho->Fill(fDirPhoPt,fNClusForDirPho);
}
//________________________________________________________________________
Float_t eta=-1, phi=-1;
for(int icell=0;icell<ncells;icell++){
absid = TMath::Abs(fEMCalCells->GetCellNumber(icell));
+ Float_t celltime = fEMCalCells->GetCellTime(absid);
+ if(celltime>2e-8 || celltime<-2e-8)
+ continue;
if(!fGeom)
return;
fGeom->EtaPhiFromIndex(absid,eta,phi);
if(!fSelPrimTracks)
return;
+ fHigherPtCone = 0;
const Int_t ntracks = fSelPrimTracks->GetEntries();
Double_t totiso=0;
Double_t totband=0;
Double_t deta = TMath::Abs(track->Eta()-etacl);
Double_t R = TMath::Sqrt(deta*deta + dphi*dphi);
Double_t pt = track->Pt();
+ if(pt>fHigherPtCone)
+ fHigherPtCone = pt;
if(R<fIsoConeR){
totiso += track->Pt();
if(R<0.04)
if(!fStack)
return;
Int_t nTracks = fStack->GetNtrack();
+ if(fDebug)
+ printf("Inside FillMcHists and there are %d mcparts\n",nTracks);
for(Int_t iTrack=0;iTrack<nTracks;iTrack++){
TParticle *mcp = static_cast<TParticle*>(fStack->Particle(iTrack));
if(!mcp)
Int_t pdg = mcp->GetPdgCode();
if(pdg!=22)
continue;
+ if(TMath::Abs(mcp->Eta())>0.7 ||mcp->Phi()<1.4 || mcp->Phi()>3.2)
+ continue;
Int_t imom = mcp->GetMother(0);
if(imom<0 || imom>nTracks)
continue;
if(!mcmom)
continue;
Int_t pdgMom = mcmom->GetPdgCode();
- if(TMath::Abs(pdgMom)<7)
- fDirPhotonPtMC->Fill(mcp->Pt());
+ if((imom==6 || imom==7) && pdgMom==22) {
+ fMCDirPhotonPtEtaPhi->Fill(mcp->Pt(),mcp->Eta(),mcp->Phi());
+ if(fNClusForDirPho==0)
+ fMCDirPhotonPtEtaPhiNoClus->Fill(mcp->Pt(),mcp->Eta(),mcp->Phi());
+ if(fDebug){
+ printf("Found \"photonic\" parton at position %d, with pt=%1.1f, eta=%1.1f and phi=%1.1f, and status=%d,\n",imom,mcmom->Pt(), mcmom->Eta(), mcmom->Phi(), mcmom->GetStatusCode());
+ printf("with a final photon at position %d, with pt=%1.1f, eta=%1.1f and phi=%1.1f, and status=%d\n",iTrack,mcp->Pt(), mcp->Eta(), mcp->Phi(),mcp->GetStatusCode());
+ }
+ }
else{
if(TMath::Abs(pdgMom)>100 && TMath::Abs(pdgMom)<1000)
fDecayPhotonPtMC->Fill(mcp->Pt());
}
}
//________________________________________________________________________
+Float_t AliAnalysisTaskEMCALIsoPhoton::GetClusSource(const AliVCluster *c)
+{
+ if(!c)
+ return -1;
+ if(!fStack)
+ return -1;
+ Int_t nmcp = fStack->GetNtrack();
+ Int_t clabel = c->GetLabel();
+ if(fDebug && fMcIdFamily.Contains(Form("%d",clabel)))
+ printf("\n\t ==== Label %d is a descendent of the prompt photon ====\n\n",clabel);
+ if(!fMcIdFamily.Contains(Form("%d",clabel)))
+ return -1;
+ fNClusForDirPho++;
+ TString partonposstr = (TSubString)fMcIdFamily.operator()(0,1);
+ Int_t partonpos = partonposstr.Atoi();
+ if(fDebug)
+ printf("\t^^^^ parton position = %d ^^^^\n",partonpos);
+ if(clabel<0 || clabel>nmcp)
+ return 0;
+ Float_t clsPos[3] = {0,0,0};
+ c->GetPosition(clsPos);
+ TVector3 clsVec(clsPos);
+ Double_t Et = c->E()*TMath::Sin(clsVec.Theta());
+ TParticle *mcp = static_cast<TParticle*>(fStack->Particle(partonpos));
+ if(!mcp)
+ return -1;
+ if(fDebug){
+ printf("\tclus mc truth eta=%1.1f,phi=%1.1f,E=%1.1f, pdgcode=%d, stackpos=%d\n",mcp->Eta(),mcp->Phi(),mcp->Energy(),mcp->GetPdgCode(),clabel);
+ }
+ Int_t lab1 = mcp->GetFirstDaughter();
+ if(lab1<0 || lab1>nmcp)
+ return -1;
+ TParticle *mcd = static_cast<TParticle*>(fStack->Particle(lab1));
+ if(!mcd)
+ return -1;
+ if(fDebug)
+ printf("\t\tmom mc truth eta=%1.1f,phi=%1.1f,E=%1.1f, pdgcode=%d, stackpos=%d\n",mcd->Eta(),mcd->Phi(),mcd->Energy(),mcd->GetPdgCode(),lab1);
+ if(mcd->GetPdgCode()==22){
+ fClusEtMcPt->Fill(mcd->Pt(), Et);
+ fClusMcDetaDphi->Fill(clsVec.Eta() - mcd->Eta(), clsVec.Phi() - mcd->Phi());
+ }
+ else{
+ printf("Warning: daughter of photon parton is not a photon\n");
+ return -1;
+ }
+ return fDirPhoPt;
+}
+//________________________________________________________________________
+void AliAnalysisTaskEMCALIsoPhoton::FollowGamma()
+{
+ if(!fStack)
+ return;
+ Int_t selfid = 6;
+ TParticle *mcp = static_cast<TParticle*>(fStack->Particle(selfid));
+ if(!mcp)
+ return;
+ if(mcp->GetPdgCode()!=22){
+ mcp = static_cast<TParticle*>(fStack->Particle(++selfid));
+ if(!mcp)
+ return;
+ }
+ Int_t daug0f = mcp->GetFirstDaughter();
+ Int_t daug0l = mcp->GetLastDaughter();
+ Int_t nd0 = daug0l - daug0f;
+ if(fDebug)
+ printf("\n\tGenerated gamma (%d) eta=%1.1f,phi=%1.1f,E=%1.1f, pdgcode=%d, n-daug=%d\n",selfid,mcp->Eta(),mcp->Phi(),mcp->Energy(),mcp->GetPdgCode(),nd0+1);
+ fMcIdFamily = Form("%d,",selfid);
+ GetDaughtersInfo(daug0f,daug0l, selfid,"");
+ if(fDebug){
+ printf("\t---- end of the prompt gamma's family tree ----\n\n");
+ printf("Family id string = %s,\n\n",fMcIdFamily.Data());
+ }
+ TParticle *md = static_cast<TParticle*>(fStack->Particle(daug0f));
+ if(!md)
+ return;
+ fDirPhoPt = md->Pt();
+}
+//________________________________________________________________________
+void AliAnalysisTaskEMCALIsoPhoton::GetDaughtersInfo(int firstd, int lastd, int selfid, const char *inputind)
+{
+ int nmcp = fStack->GetNtrack();
+ if(firstd<0 || firstd>nmcp)
+ return;
+ if(lastd<0 || lastd>nmcp)
+ return;
+ if(firstd>lastd){
+ printf("WARNING: First daughter > last (%d,%d)\n",firstd,lastd);
+ return;
+ }
+ TString indenter = Form("\t%s",inputind);
+ TParticle *dp = 0x0;
+ if(fDebug)
+ printf("\t%s--- Daughters of particle %d ---\n", indenter.Data(), selfid);
+ for(int id=firstd; id<lastd+1; id++){
+ dp = static_cast<TParticle*>(fStack->Particle(id));
+ if(!dp)
+ continue;
+ Int_t dfd = dp->GetFirstDaughter();
+ Int_t dld = dp->GetLastDaughter();
+ Int_t dnd = dld - dfd + 1;
+ Float_t vr = TMath::Sqrt(dp->Vx()*dp->Vx()+dp->Vy()*dp->Vy());
+ if(fDebug)
+ printf("\t%sParticle daughter(%d) eta=%1.1f,phi=%1.1f,E=%1.1f, vR=%1.1f, pdgcode=%d, n-daug=%d(%d,%d)\n", indenter.Data(),id, dp->Eta(), dp->Phi(), dp->Energy(), vr, dp->GetPdgCode(), dnd, dfd, dld);
+ fMcIdFamily += Form("%d,",id);
+ GetDaughtersInfo(dfd,dld,id,indenter.Data());
+ }
+}
+//________________________________________________________________________
void AliAnalysisTaskEMCALIsoPhoton::Terminate(Option_t *)
{
// Called once at the end of the query.