+++ /dev/null
-
-#include "TChain.h"
-#include "TTree.h"
-#include "TNtuple.h"
-#include "TH1F.h"
-#include "TH2D.h"
-#include "TH1D.h"
-#include "TCanvas.h"
-#include "TArrayD.h"
-#include "AliAnalysisTask.h"
-#include "AliAnalysisManager.h"
-#include "AliAODHeader.h"
-#include "AliAODTrack.h"
-#include "AliAODTracklets.h"
-#include "AliAODpidUtil.h"
-#include "AliVTrack.h"
-#include "AliAODEvent.h"
-#include "AliAODInputHandler.h"
-#include "AliCentrality.h"
-#include "AliEbyEMultFluctuationTask.h"
-#include "AliAODVertex.h"
-#include "AliAODVZERO.h"
-#include "AliCentrality.h"
-#include "AliPID.h"
-#include "AliPIDResponse.h"
-#include "AliPIDCombined.h"
-#include "AliAODpidUtil.h"
-#include "TRandom.h"
-#include "AliTPCPIDResponse.h"
-#include "AliTRDPIDResponse.h"
-
-
-ClassImp(AliEbyEMultFluctuationTask)
-
-//________________________________________________________________________
-AliEbyEMultFluctuationTask::AliEbyEMultFluctuationTask(const char *name)
-: AliAnalysisTaskSE(name),fAOD(0), fAODVertex(0),fHistNchPt(0),fHistNchEta(0),fHistNchEtaCent(0),fHistNchPhi(0),fHistDCAxy(0),fHistDCAz(0),fHistnclus(0),fHistchi2ndf(0),fHistchi2ndfvscs(0),fHistVz(0),fHistMultV0A(0),fHistMultV0C(0),fHistMultV0total(0),My_ntuple(0),fOutputList(0),fCentralityEstimator("V0M"),fCentralityBins20(kFALSE),fCentralityCounter(0),fEventCounter(0),histcounter(0)
-
-
-{
- // Constructor
- for(Int_t ibin=0;ibin<91;ibin++)
- {
- fMult[ibin]=NULL;
- }
- for(Int_t jbin=0;jbin<46;jbin++)
- {
- fMultTwo[jbin]=NULL;
- }
- for(Int_t kbin=0;kbin<15;kbin++)
- {
- fMultFive[kbin]=NULL;
- }
-
-
- DefineInput(0, TChain::Class());
-
- DefineOutput(1, TList::Class());
-}
-
-//________________________________________________________________________
-Bool_t AliEbyEMultFluctuationTask :: SelectEvent(AliAODVertex* vertex)
-{
-
- if(vertex){
-
- if(vertex->GetNContributors() < 0) return kFALSE;
-
-
- Double_t lvx = vertex->GetX();
- Double_t lvy = vertex->GetY();
- Double_t lvz = vertex->GetZ();
-
- fEventCounter->Fill(3);
-
-
- if(TMath::Abs(lvx) > 0.3) return kFALSE;
- if(TMath::Abs(lvy) > 0.3) return kFALSE;
- if(TMath::Abs(lvz) > 10) return kFALSE;
- if(vertex->GetType()==AliAODVertex::kPileupSPD) return kFALSE;
-
- fEventCounter->Fill(5);
- fHistVz->Fill(lvz);
- return kTRUE;
- }
- else{
- return kFALSE;
- }
-}
-//_____________________________________________________________________________
-Int_t AliEbyEMultFluctuationTask :: SelectTrack(AliAODTrack* track)
-{
-
- Double_t eta = track->Eta();
-
- if(TMath :: Abs(eta)>0.8) return 0;
-
- if(!track->TestFilterBit(128)) return 0;
-
- Float_t dxy, dz;
-
- dxy = track->DCA();
- dz = track->ZAtDCA();
- if(TMath ::Abs(dxy) >2.4 || TMath ::Abs(dz)>3.0) return 0;
- // cout<<dxy<<dz<<endl;
-
-
- Double_t nclus = track->GetTPCClusterInfo(2,1);
- if(nclus<80) return 0;
-
-//chi2cut
-
- Double_t chi2ndf = track->Chi2perNDF();
- if(chi2ndf>4) return 0;
-
-return 1;
-
-
-}
-
-//________________________________________________________________________________________________
-void AliEbyEMultFluctuationTask::UserCreateOutputObjects()
-{
- fOutputList = new TList();
-
-
-
- My_ntuple = new TNtuple("My_ntuple", "My_ntuple", "Mult:Mult1:Mult2:nCentrality:fV0total:nBin2:nBin5:spdmult0:spdmult1:tracklets:run");
- fOutputList->Add(My_ntuple);
-
-fOutputList->SetOwner(kTRUE);
-fEventCounter = new TH1D("fEventCounter","EventCounter", 10, 0.5,10.5);
-fOutputList->Add(fEventCounter);
-
-
-histcounter = new TH1D("histcounter","histcounter", 10, 0.5,10.5);
-fOutputList->Add(histcounter);
-
-
-TString BinLebel;
-fCentralityCounter = new TH1D("fEventCounter","EventCounter", 100, 0.5,100.5);
-TAxis *xaxis = fCentralityCounter->GetXaxis();
- for(Int_t ibin=0;ibin<100;ibin++)
-{
-BinLebel="cent";BinLebel+=ibin;
-xaxis->SetBinLabel(ibin,BinLebel.Data());
-
-}
-fOutputList->Add(fCentralityCounter);
-
-fHistMultV0A = new TH1F("fHistMultV0A","Mult-VOA",22000,0,22000);
-fHistMultV0C = new TH1F("fHistMultV0C","Mult-VOC",22000,0,22000);
-fHistMultV0total = new TH1F("fHistMultV0total","Mult-VOTotal",22000,0,22000);
-
-
- fHistNchEta = new TH1D("fHistNchEta", "#eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
-fHistNchEta->GetXaxis()->SetTitle("#eta");
-fHistNchEta->GetYaxis()->SetTitle("dNch/d#eta");
-
-
-fHistNchEtaCent = new TH1D("fHistNchEtaCent", "Central #eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
-fHistNchEtaCent->GetXaxis()->SetTitle("#eta");
-fHistNchEtaCent->GetYaxis()->SetTitle("dNch/d#eta(Central)");
-
-
-
-fHistNchPhi = new TH1D("fHistNchPhi", "#phi distribution of charged tracks(for hybrid)", 200, -10, 10);
-fHistNchPhi->GetXaxis()->SetTitle("#phi");
-fHistNchPhi->GetYaxis()->SetTitle("dNch/d#phi");
-
-fHistNchPt = new TH1D("fHistNchPt", "P_{T} distribution(charged tracks for hybrid)", 150, 0.1, 3.1);
-fHistNchPt->GetXaxis()->SetTitle("P_{T} (GeV/c)");
-fHistNchPt->GetYaxis()->SetTitle("dNch/dP_{T}(c/GeV)");
-
-
- fHistchi2ndfvscs = new TH2D("fHistchi2ndfvscs","Chi2/ndf from Gaussian fits of Multiplicity Distribution",95,0,95,60,0,6);
- fHistchi2ndfvscs->SetXTitle("%cs");
- fHistchi2ndfvscs->SetYTitle("Chi2/ndf");
-
-
-fHistnclus=new TH1D("no of clusters","no of tracks after TPCcluster cut",200,0,200);
-fHistchi2ndf= new TH1D("chi_square/ndf","no of tracks after chi_square/ndf cut",10,0,10);
-
- fHistVz = new TH1D("fHistVz","Primary vertex distribution - z coordinate",90,-15,15);
- fHistVz->SetXTitle("Vz");
- fHistVz->SetYTitle("Entries");
-
-
- fOutputList->Add(fHistMultV0A);
- fOutputList->Add(fHistMultV0C);
- fOutputList->Add(fHistMultV0total);
- fOutputList->Add(fHistnclus);
- fOutputList->Add(fHistchi2ndf);
- fOutputList->Add(fHistNchPt);
- fOutputList->Add(fHistNchEta);
- fOutputList->Add(fHistNchEtaCent);
-
- fOutputList->Add(fHistNchPhi);
- fOutputList->Add(fHistVz);
- fOutputList->Add(fHistchi2ndfvscs);
-
-
-
-TString hname;
-TString htitle;
-
- for(Int_t i = 0; i < 25; i++) {
- hname = "fMult"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMult[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
- fOutputList->Add(fMult[i]);
- }
-
- for(Int_t i = 25; i < 50; i++) {
- hname = "fMult"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMult[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
- fOutputList->Add(fMult[i]);
- }
-
- for(Int_t i = 50; i < 91; i++) {
- hname = "fMult"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMult[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
- fOutputList->Add(fMult[i]);
- }
-
-//****************for 2% centrality bin**************************//
-for(Int_t i = 0; i < 12; i++) {
- hname = "fMultTwo"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
- fOutputList->Add(fMultTwo[i]);
- }
-
- for(Int_t i = 12; i < 25; i++) {
- hname = "fMultTwo"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
- fOutputList->Add(fMultTwo[i]);
- }
-
- for(Int_t i = 25; i <= 45; i++) {
- hname = "fMultTwo"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
- fOutputList->Add(fMultTwo[i]);
- }
-
-
-
-//*****************************for 5 % centrality bin********************//
-for(Int_t i = 0; i < 5; i++) {
- hname = "fMultFive"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
- fOutputList->Add(fMultFive[i]);
- }
-
- for(Int_t i = 5; i < 10; i++) {
- hname = "fMultFive"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
- fOutputList->Add(fMultFive[i]);
- }
-
- for(Int_t i = 10; i <= 14; i++) {
- hname = "fMultFive"; hname+=i;
- htitle = "Multiplicity in Cent Bin "; htitle+=i;
- fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
- fOutputList->Add(fMultFive[i]);
- }
-
-
- }
-
-//________________________________________________________________________
-void AliEbyEMultFluctuationTask::UserExec(Option_t *)
-{
-
-
-
-// Post output data.
- fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
- if (!fAOD) {
- printf("ERROR: fAOD not available\n");
- return;
-
- }
-
-Bool_t isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB);
-if(!isSelected) return;
- fEventCounter->Fill(1);
- //Counter++;
-
-
-// Get the event vertex.
- fAODVertex = fAOD->GetPrimaryVertex();
-
- if (!fAODVertex) {
- return;
- }
-
- if(TMath::Abs((fAODVertex->GetZ())-((fAOD->GetPrimaryVertexSPD())->GetZ())) > 0.5) return;
-
-
- if (!SelectEvent(fAODVertex)) return;
-
- //***************VZERO-AMPLITUDE*************************//
-
- AliAODVZERO *aodV0 = fAOD->GetVZEROData();
- Float_t fV0Amult = aodV0->GetMTotV0A();
- Float_t fV0Cmult = aodV0->GetMTotV0C();
- Float_t fV0total = fV0Amult + fV0Cmult;
-
- //*****************SPD-CLUSTERS*************************//
-
-
-
- AliAODHeader *fHeader = dynamic_cast<AliAODHeader*>(fAOD->GetHeader());
- if(!fHeader) AliFatal("Not a standard AOD");
- Int_t spdmult0 = fHeader->GetNumberOfITSClusters(0);
- Int_t spdmult1 = fHeader->GetNumberOfITSClusters(1);
- Int_t run = fHeader->GetRunNumber();
-
- AliAODTracklets *fTracklets = fAOD->GetTracklets();
- Int_t tracklets = fTracklets->GetNumberOfTracklets();
-
-
- //********************CENTRALITY******************************************//
-
- AliCentrality *centrality= fAOD->GetCentrality();
- Double_t cent=centrality->GetCentralityPercentile("V0M");
- // cout<<"cent= "<<cent<<endl;
-
- if(cent < 0 || cent >= 91) return;
-
-Int_t nCentrality = (Int_t)cent;
-
-Int_t nBin2= (Int_t)( nCentrality/2.0);
-
-Int_t nBin5 = (Int_t)( nCentrality/5.0);
- if(nBin5==0){
-
-histcounter->Fill(1);
- }
-
-
-
-fCentralityCounter->Fill(nCentrality);
-
-fEventCounter->Fill(7);
-
-
-Double_t Mult=0.0;
- Double_t Mult1=0.0;
- Double_t Mult2=0.0;
-
- //printf("There are %d tracks in this event\n", fAOD->GetNumberOfTracks());
-
-
- for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {
- AliAODTrack* track = dynamic_cast<AliAODTrack*>(fAOD->GetTrack(iTracks));
- if(!track) AliFatal("Not a standard AOD");
- if (!track) {
- printf("ERROR: Could not receive track %d\n", iTracks);
- continue;
- }
-
-
-
-
-// Find the track classification.
-Int_t tracktype = SelectTrack(track);
-
-
- if (tracktype==0) {
- continue;
- }
-
- if(track->GetType()== AliAODTrack::kPrimary)
-{
- Short_t Charge = track->Charge();
- Double_t eta = track->Eta();
- if(TMath :: Abs(Charge)==1 && nBin5==0){
- fHistNchEtaCent->Fill(eta);
-
- }
-
- Double_t pt = track->Pt();
- if( pt < 0.3 || pt > 2.0 ) continue;
- Double_t nclus = track->GetTPCClusterInfo(2,1);
- Double_t chi2ndf = track->Chi2perNDF();
- fHistnclus->Fill(nclus);
- fHistchi2ndf->Fill(chi2ndf);
- fHistchi2ndfvscs->Fill(cent,chi2ndf);
-
- //Count the charge particles-----
- if(TMath :: Abs(Charge)==1) Mult +=1;
- if(Charge==1) Mult1 +=1;
- if(Charge==-1) Mult2 +=1;
-
-
- Double_t phi = track->Phi();
- if(TMath :: Abs(Charge)==1) fHistNchPt->Fill(pt);
-
-
- if(TMath :: Abs(Charge)==1) fHistNchEta->Fill(eta);
- if(TMath :: Abs(Charge)==1) fHistNchPhi->Fill(phi);
-
-
- }
-
-
- } //track loop
-
-
- //****************Filling Tree*************************//
-
- My_ntuple->Fill(Mult,Mult1,Mult2,nCentrality,fV0total,nBin2,nBin5,spdmult0,spdmult1,tracklets,run);
-
-
-fMult[nCentrality]->Fill(Mult);
-
-if(nBin2<=45) {
-fMultTwo[nBin2]->Fill(Mult);
- }
-if(nBin5<=14){
-fMultFive[nBin5]->Fill(Mult);
- }
-
- fHistMultV0A->Fill(fV0Amult);
- fHistMultV0C->Fill(fV0Cmult);
- fHistMultV0total->Fill(fV0total);
-
- PostData(1, fOutputList);
-}
-//________________________________________________________________________
-void AliEbyEMultFluctuationTask::Terminate(Option_t *)
-{
-
-
- fOutputList = dynamic_cast<TList*> (GetOutputData(1));
- if (!fOutputList) {
- printf("ERROR: Output list not available\n");
- return;
- }
-
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff