fEventCuts(0x0),
fHelperPID(0x0),
fIsMC(0),
+ fDoDoubleCounting(0),
+ fFillOnlyEvents(0),
fCharge(0),
fVZEROside(0),
fOutput(0x0),
fnCentBins(20),
- fnQvecBins(40)
+ fnQvecBins(100),
+ fnNchBins(200),
+ fIsQvecCalibMode(0),
+ fQvecUpperLim(100),
+ fIsAOD160(1),
+ fnDCABins(60),
+ fDCAmin(-3),
+ fDCAmax(3)
{
// Default constructor
DefineInput(0, TChain::Class());
if (!fHelperPID) AliFatal("HelperPID should be set in the steering macro");
// binning common to all the THn
- const Double_t ptBins[] = {0.20,0.30,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.};
- const Int_t nptBins=26;
+ const Double_t ptBins[] = {0.20,0.30,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.,20.,25.,30.,35.,40.,50.,75.,100.};
+ const Int_t nptBins=34;
//dimensions of THnSparse for tracks
- const Int_t nvartrk=8;
- // pt cent Q vec IDrec IDgen isph iswd y
- Int_t binsHistRealTrk[nvartrk] = { nptBins, fnCentBins, fnQvecBins, 4, 3, 2, 2, 2};
- Double_t xminHistRealTrk[nvartrk] = { 0., 0., 0., -1.5, -0.5, -0.5, -0.5, -0.5};
- Double_t xmaxHistRealTrk[nvartrk] = { 10., 100., 8., 2.5, 2.5, 1.5, 1.5, 0.5};
+ const Int_t nvartrk=9;
+ // pt cent Q vec IDrec IDgen isph y DCA issec
+ Int_t binsHistRealTrk[nvartrk] = { nptBins, fnCentBins, fnQvecBins, 4, 3, 2, 2, fnDCABins, 2};
+ Double_t xminHistRealTrk[nvartrk] = { 0., 0., 0., -.5, -0.5, -0.5, -0.5, fDCAmin, 0.5};
+ Double_t xmaxHistRealTrk[nvartrk] = { 10., 100., fQvecUpperLim, 3.5, 2.5, 1.5, 0.5, fDCAmax, 2.5};
THnSparseF* NSparseHistTrk = new THnSparseF("NSparseHistTrk","NSparseHistTrk",nvartrk,binsHistRealTrk,xminHistRealTrk,xmaxHistRealTrk);
NSparseHistTrk->GetAxis(0)->SetTitle("#it{p}_{T,rec}");
NSparseHistTrk->GetAxis(0)->SetName("pT_rec");
NSparseHistTrk->GetAxis(4)->SetName("ID_gen");
NSparseHistTrk->GetAxis(5)->SetTitle("isph");
NSparseHistTrk->GetAxis(5)->SetName("isph");
- NSparseHistTrk->GetAxis(6)->SetTitle("iswd");
- NSparseHistTrk->GetAxis(6)->SetName("iswd");
- NSparseHistTrk->GetAxis(7)->SetTitle("y");
- NSparseHistTrk->GetAxis(7)->SetName("y");
+ NSparseHistTrk->GetAxis(6)->SetTitle("y");
+ NSparseHistTrk->GetAxis(6)->SetName("y");
+ NSparseHistTrk->GetAxis(7)->SetTitle("dca");
+ NSparseHistTrk->GetAxis(7)->SetName("dca");
+ NSparseHistTrk->GetAxis(8)->SetTitle("issec");
+ NSparseHistTrk->GetAxis(8)->SetName("issec");
fOutput->Add(NSparseHistTrk);
//dimensions of THnSparse for stack
- const Int_t nvarst=5;
- // pt cent IDgen isph y
- Int_t binsHistRealSt[nvarst] = { nptBins, fnCentBins, 3, 2, 2};
- Double_t xminHistRealSt[nvarst] = { 0., 0., -0.5, -0.5, -0.5};
- Double_t xmaxHistRealSt[nvarst] = { 10., 100., 2.5, 1.5, 0.5};
+ const Int_t nvarst=6;
+ // pt cent IDgen isph y etaselected
+ Int_t binsHistRealSt[nvarst] = { nptBins, fnCentBins, 3, 2, 2, 1};
+ Double_t xminHistRealSt[nvarst] = { 0., 0., -0.5, -0.5, -0.5, 0.5};
+ Double_t xmaxHistRealSt[nvarst] = { 10., 100., 2.5, 1.5, 0.5, 1.5};
THnSparseF* NSparseHistSt = new THnSparseF("NSparseHistSt","NSparseHistSt",nvarst,binsHistRealSt,xminHistRealSt,xmaxHistRealSt);
NSparseHistSt->GetAxis(0)->SetTitle("#it{p}_{T,gen}");
NSparseHistSt->SetBinEdges(0,ptBins);
NSparseHistSt->GetAxis(3)->SetName("isph");
NSparseHistSt->GetAxis(4)->SetTitle("y");
NSparseHistSt->GetAxis(4)->SetName("y");
+ NSparseHistSt->GetAxis(5)->SetTitle("etaselected");
+ NSparseHistSt->GetAxis(5)->SetName("etaselected");
fOutput->Add(NSparseHistSt);
//dimensions of THnSparse for the normalization
- const Int_t nvarev=2;
- // cent Q vec
- Int_t binsHistRealEv[nvarev] = { fnCentBins, fnQvecBins};
- Double_t xminHistRealEv[nvarev] = { 0., 0.};
- Double_t xmaxHistRealEv[nvarev] = { 100., 10.};
+ const Int_t nvarev=3;
+ // cent Q vec Nch
+ Int_t binsHistRealEv[nvarev] = { fnCentBins, fnQvecBins, fnNchBins};
+ Double_t xminHistRealEv[nvarev] = { 0., 0., 0.};
+ Double_t xmaxHistRealEv[nvarev] = { 100., fQvecUpperLim, 2000.};
THnSparseF* NSparseHistEv = new THnSparseF("NSparseHistEv","NSparseHistEv",nvarev,binsHistRealEv,xminHistRealEv,xmaxHistRealEv);
NSparseHistEv->GetAxis(0)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));
NSparseHistEv->GetAxis(0)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));
NSparseHistEv->GetAxis(1)->SetTitle("Q vec");
NSparseHistEv->GetAxis(1)->SetName("Q_vec");
+ NSparseHistEv->GetAxis(2)->SetTitle("N charged");
+ NSparseHistEv->GetAxis(2)->SetName("N_ch");
fOutput->Add(NSparseHistEv);
PostData(1, fOutput );
Double_t Qvec=0.;//in case of MC we save space in the memory
if(!fIsMC){
- if(fVZEROside==0)Qvec=fEventCuts->GetqV0A();
- else if (fVZEROside==1)Qvec=fEventCuts->GetqV0C();
+ if(fIsQvecCalibMode){
+ if(fVZEROside==0)Qvec=fEventCuts->GetqV0A();
+ else if (fVZEROside==1)Qvec=fEventCuts->GetqV0C();
+ }
+ else Qvec=fEventCuts->GetQvecPercentile(fVZEROside);
}
-
+
Double_t Cent=fEventCuts->GetCent();
-
+
// First do MC to fill up the MC particle array
TClonesArray *arrayMC = 0;
if (fIsMC)
{
AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);
if(!partMC->Charge()) continue;//Skip neutrals
- if(fCharge != 0 && partMC->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge
+ if(fCharge != 0 && partMC->Charge()*fCharge < 0.) continue;//if fCharge != 0 only select fCharge
- if(partMC->Eta() < fTrackCuts->GetEtaMin() || partMC->Eta() > fTrackCuts->GetEtaMax())continue;//ETA CUT ON GENERATED!!!!!!!!!!!!!!!!!!!!!!!!!!
+ //flag to select particle in the same ETA acceptance of the tracks (to be used for the comparison with AllCh)
+ Double_t etaselected=-1.;
+ if(partMC->Eta()>=fTrackCuts->GetEtaMin() && partMC->Eta()<=fTrackCuts->GetEtaMax())etaselected=1.;
//pt cent IDgen isph y
- Double_t varSt[5];
+ Double_t varSt[6];
varSt[0]=partMC->Pt();
varSt[1]=Cent;
varSt[2]=(Double_t)fHelperPID->GetParticleSpecies(partMC);
varSt[3]=(Double_t)partMC->IsPhysicalPrimary();
varSt[4]=partMC->Y();
+ varSt[5]=etaselected;
((THnSparseF*)fOutput->FindObject("NSparseHistSt"))->Fill(varSt);//stack loop
//Printf("a particle");
}
//main loop on tracks
+
+ Int_t Nch = 0.;
+
for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {
AliAODTrack* track = fAOD->GetTrack(iTracks);
if(fCharge != 0 && track->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge
if (!fTrackCuts->IsSelected(track,kTRUE)) continue; //track selection (rapidity selection NOT in the standard cuts)
- Int_t IDrec=fHelperPID->GetParticleSpecies(track,kTRUE);//id from detector
- Double_t y= track->Y(fHelperPID->GetMass((AliHelperParticleSpecies_t)IDrec));
- Int_t IDgen=kSpUndefined;//set if MC
- Int_t isph=-999;
- Int_t iswd=-999;
-
- if (arrayMC) {
- AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));
- if (!partMC) {
- AliError("Cannot get MC particle");
- continue;
+ if(!fFillOnlyEvents){
+ Int_t IDrec=fHelperPID->GetParticleSpecies(track,kTRUE);//id from detector
+ Double_t y= track->Y(fHelperPID->GetMass((AliHelperParticleSpecies_t)IDrec));
+ Int_t IDgen=kSpUndefined;//set if MC
+ Int_t isph=-999;
+// Int_t iswd=-999;
+ Int_t issec=-999;
+
+ if (arrayMC) {
+ AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));
+ if (!partMC) {
+ AliError("Cannot get MC particle");
+ continue;
+ }
+ IDgen=fHelperPID->GetParticleSpecies(partMC);
+ isph=partMC->IsPhysicalPrimary();
+ //iswd=partMC->IsSecondaryFromWeakDecay();//FIXME not working on old productions - removed Apr 8th 2014
+
+ if(fIsAOD160){// enabled for new ADO160 only
+ if(partMC->IsSecondaryFromWeakDecay()) issec=1.;
+ if(partMC->IsSecondaryFromMaterial()) issec=2.;
+
+ }
}
- IDgen=fHelperPID->GetParticleSpecies(partMC);
- isph=partMC->IsPhysicalPrimary();
- iswd=partMC->IsSecondaryFromWeakDecay();//FIXME not working on old productions
- }
-
- //pt cent Q vec IDrec IDgen isph iswd y
- Double_t varTrk[8];
- varTrk[0]=track->Pt();
- varTrk[1]=Cent;
- varTrk[2]=Qvec;
- varTrk[3]=(Double_t)IDrec;
- varTrk[4]=(Double_t)IDgen;
- varTrk[5]=(Double_t)isph;
- varTrk[6]=(Double_t)iswd;
- varTrk[7]=y;
- ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
-
- //for nsigma PID fill double counting of ID
- if(fHelperPID->GetPIDType()<kBayes){//only nsigma
- Bool_t *HasDC;
- HasDC=fHelperPID->GetDoubleCounting(track,kTRUE);//get the array with double counting
- for(Int_t ipart=0;ipart<kNSpecies;ipart++){
- if(HasDC[ipart]==kTRUE){
- varTrk[3]=(Double_t)ipart;
- ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
+
+ /*** DCA ***/
+ Double_t dcaxy = -999.;
+
+ Double_t p[2];
+ if(GetDCA(track,p)){ dcaxy=p[0]; }
+
+ //pt cent Q vec IDrec IDgen isph y
+ Double_t varTrk[9];
+ varTrk[0]=track->Pt();
+ varTrk[1]=Cent;
+ varTrk[2]=Qvec;
+ varTrk[3]=(Double_t)IDrec;
+ varTrk[4]=(Double_t)IDgen;
+ varTrk[5]=(Double_t)isph;
+ varTrk[6]=y;
+ varTrk[7]=dcaxy;
+ varTrk[8]=issec;
+ ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
+
+ //for nsigma PID fill double counting of ID
+ if(fHelperPID->GetPIDType()<kBayes && fDoDoubleCounting){//only nsigma
+ Bool_t *HasDC;
+ HasDC=fHelperPID->GetDoubleCounting(track,kTRUE);//get the array with double counting
+ for(Int_t ipart=0;ipart<kNSpecies;ipart++){
+ if(HasDC[ipart]==kTRUE){
+ varTrk[3]=(Double_t)ipart;
+ ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
+ }
}
}
- }
-
- //fill all charged (-1)
- varTrk[3]=-1.;
- ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
+
+ //fill all charged (3)
+ varTrk[3]=3.;
+ varTrk[4]=3.;
+ ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
+ }//end if fFillOnlyEvents
//Printf("a track");
-
+
+ Nch++;
} // end loop on tracks
- Double_t varEv[2];
+ Double_t varEv[3];
varEv[0]=Cent;
varEv[1]=Qvec;
+ varEv[2]=Nch;
((THnSparseF*)fOutput->FindObject("NSparseHistEv"))->Fill(varEv);//event loop
PostData(1, fOutput );
PostData(4, fHelperPID);
}
+//_________________________________________________________________
+Bool_t AliAnalysisTaskSpectraAllChAOD::GetDCA(const AliAODTrack* trk, Double_t * p){
+
+ //AliAODTrack::DCA(): for newest AOD fTrack->DCA() always gives -999. This should fix.
+ //FIXME should update EventCuts?
+ //FIXME add track->GetXYZ(p) method
+
+ double xyz[3],cov[3];
+
+ if (!trk->GetXYZ(xyz)) { // dca is not stored
+ AliExternalTrackParam etp;
+ etp.CopyFromVTrack(trk);
+ AliVEvent* ev = (AliVEvent*)trk->GetEvent();
+ if (!ev) {/*printf("Event is not connected to the track\n");*/ return kFALSE;}
+ if (!etp.PropagateToDCA(ev->GetPrimaryVertex(), ev->GetMagneticField(),999,xyz,cov)) return kFALSE; // failed, track is too far from vertex
+ }
+ p[0] = xyz[0];
+ p[1] = xyz[1];
+ return kTRUE;
+
+}
+
//_________________________________________________________________
void AliAnalysisTaskSpectraAllChAOD::Terminate(Option_t *)
{
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff