[u/mrichter/AliRoot.git] / PWGCF / EBYE / Fluctuations / AliEbyEMultFluctuationTask.cxx


#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"),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;
}
//_____________________________________________________________________________
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(TMath::Abs((fAODVertex->GetZ())-((fAOD->GetPrimaryVertexSPD())->GetZ())) > 0.5) return;

	if (!fAODVertex) {
		
		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 = fAOD->GetHeader();
		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 = fAOD->GetTrack(iTracks);
    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;
  }
 
}
Commit	Line	Data
e70360ad	1
	2	#include "TChain.h"
	3	#include "TTree.h"
	4	#include "TNtuple.h"
	5	#include "TH1F.h"
	6	#include "TH2D.h"
	7	#include "TH1D.h"
	8	#include "TCanvas.h"
	9	#include "TArrayD.h"
	10	#include "AliAnalysisTask.h"
	11	#include "AliAnalysisManager.h"
	12	#include "AliAODHeader.h"
	13	#include "AliAODTrack.h"
	14	#include "AliAODTracklets.h"
	15	#include "AliAODpidUtil.h"
	16	#include "AliVTrack.h"
	17	#include "AliAODEvent.h"
	18	#include "AliAODInputHandler.h"
	19	#include "AliCentrality.h"
	20	#include "AliEbyEMultFluctuationTask.h"
	21	#include "AliAODVertex.h"
	22	#include "AliAODVZERO.h"
	23	#include "AliCentrality.h"
	24	#include "AliPID.h"
	25	#include "AliPIDResponse.h"
	26	#include "AliPIDCombined.h"
	27	#include "AliAODpidUtil.h"
	28	#include "TRandom.h"
	29	#include "AliTPCPIDResponse.h"
	30	#include "AliTRDPIDResponse.h"
	31
	32
	33	ClassImp(AliEbyEMultFluctuationTask)
	34
	35	//________________________________________________________________________
	36	AliEbyEMultFluctuationTask::AliEbyEMultFluctuationTask(const char *name)
738e4ce3	37	: 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"),fCentralityCounter(0),fEventCounter(0),histcounter(0)
e70360ad	38
	39
	40	{
	41	// Constructor
	42	for(Int_t ibin=0;ibin<91;ibin++)
	43	{
	44	fMult[ibin]=NULL;
	45	}
	46	for(Int_t jbin=0;jbin<46;jbin++)
	47	{
	48	fMultTwo[jbin]=NULL;
	49	}
	50	for(Int_t kbin=0;kbin<15;kbin++)
	51	{
	52	fMultFive[kbin]=NULL;
	53	}
	54
	55
	56	DefineInput(0, TChain::Class());
	57
	58	DefineOutput(1, TList::Class());
	59	}
	60
	61	//________________________________________________________________________
	62	Bool_t AliEbyEMultFluctuationTask :: SelectEvent(AliAODVertex* vertex)
	63	{
	64	if(vertex)
	65
	66	if(vertex->GetNContributors() < 0) return kFALSE;
	67
	68
	69	Double_t lvx = vertex->GetX();
	70	Double_t lvy = vertex->GetY();
	71	Double_t lvz = vertex->GetZ();
	72
	73	fEventCounter->Fill(3);
	74
	75
	76	if(TMath::Abs(lvx) > 0.3) return kFALSE;
	77	if(TMath::Abs(lvy) > 0.3) return kFALSE;
	78	if(TMath::Abs(lvz) > 10) return kFALSE;
	79	if(vertex->GetType()==AliAODVertex::kPileupSPD) return kFALSE;
	80
	81	fEventCounter->Fill(5);
	82	fHistVz->Fill(lvz);
	83	return kTRUE;
	84	}
	85	//_____________________________________________________________________________
	86	Int_t AliEbyEMultFluctuationTask :: SelectTrack(AliAODTrack* track)
	87	{
	88
	89	Double_t eta = track->Eta();
e70360ad	90
	91	if(TMath :: Abs(eta)>0.8) return 0;
	92
	93	if(!track->TestFilterBit(128)) return 0;
	94
	95	Float_t dxy, dz;
	96
	97	dxy = track->DCA();
	98	dz = track->ZAtDCA();
	99	if(TMath ::Abs(dxy) >2.4 \|\| TMath ::Abs(dz)>3.0) return 0;
	100	// cout<<dxy<<dz<<endl;
	101
	102
	103	Double_t nclus = track->GetTPCClusterInfo(2,1);
	104	if(nclus<80) return 0;
	105
	106	//chi2cut
	107
	108	Double_t chi2ndf = track->Chi2perNDF();
	109	if(chi2ndf>4) return 0;
	110
	111	return 1;
	112
	113
	114	}
	115
738e4ce3	116	//________________________________________________________________________________________________
e70360ad	117	void AliEbyEMultFluctuationTask::UserCreateOutputObjects()
	118	{
	119	fOutputList = new TList();
	120
	121
	122
	123	My_ntuple = new TNtuple("My_ntuple", "My_ntuple", "Mult:Mult1:Mult2:nCentrality:fV0total:nBin2:nBin5:spdmult0:spdmult1:tracklets:run");
	124	fOutputList->Add(My_ntuple);
	125
	126	fOutputList->SetOwner(kTRUE);
	127	fEventCounter = new TH1D("fEventCounter","EventCounter", 10, 0.5,10.5);
	128	fOutputList->Add(fEventCounter);
	129
	130
	131	histcounter = new TH1D("histcounter","histcounter", 10, 0.5,10.5);
	132	fOutputList->Add(histcounter);
	133
	134
	135	TString BinLebel;
	136	fCentralityCounter = new TH1D("fEventCounter","EventCounter", 100, 0.5,100.5);
	137	TAxis *xaxis = fCentralityCounter->GetXaxis();
	138	for(Int_t ibin=0;ibin<100;ibin++)
	139	{
	140	BinLebel="cent";BinLebel+=ibin;
	141	xaxis->SetBinLabel(ibin,BinLebel.Data());
	142
	143	}
	144	fOutputList->Add(fCentralityCounter);
	145
	146	fHistMultV0A = new TH1F("fHistMultV0A","Mult-VOA",22000,0,22000);
	147	fHistMultV0C = new TH1F("fHistMultV0C","Mult-VOC",22000,0,22000);
	148	fHistMultV0total = new TH1F("fHistMultV0total","Mult-VOTotal",22000,0,22000);
	149
	150
	151	fHistNchEta = new TH1D("fHistNchEta", "#eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
	152	fHistNchEta->GetXaxis()->SetTitle("#eta");
	153	fHistNchEta->GetYaxis()->SetTitle("dNch/d#eta");
	154
	155
	156	fHistNchEtaCent = new TH1D("fHistNchEtaCent", "Central #eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
	157	fHistNchEtaCent->GetXaxis()->SetTitle("#eta");
	158	fHistNchEtaCent->GetYaxis()->SetTitle("dNch/d#eta(Central)");
	159
	160
	161
	162	fHistNchPhi = new TH1D("fHistNchPhi", "#phi distribution of charged tracks(for hybrid)", 200, -10, 10);
	163	fHistNchPhi->GetXaxis()->SetTitle("#phi");
	164	fHistNchPhi->GetYaxis()->SetTitle("dNch/d#phi");
	165
	166	fHistNchPt = new TH1D("fHistNchPt", "P_{T} distribution(charged tracks for hybrid)", 150, 0.1, 3.1);
	167	fHistNchPt->GetXaxis()->SetTitle("P_{T} (GeV/c)");
	168	fHistNchPt->GetYaxis()->SetTitle("dNch/dP_{T}(c/GeV)");
	169
	170
	171	fHistchi2ndfvscs = new TH2D("fHistchi2ndfvscs","Chi2/ndf from Gaussian fits of Multiplicity Distribution",95,0,95,60,0,6);
	172	fHistchi2ndfvscs->SetXTitle("%cs");
	173	fHistchi2ndfvscs->SetYTitle("Chi2/ndf");
	174
	175
	176	fHistnclus=new TH1D("no of clusters","no of tracks after TPCcluster cut",200,0,200);
	177	fHistchi2ndf= new TH1D("chi_square/ndf","no of tracks after chi_square/ndf cut",10,0,10);
	178
	179	fHistVz = new TH1D("fHistVz","Primary vertex distribution - z coordinate",90,-15,15);
	180	fHistVz->SetXTitle("Vz");
181	fHistVz->SetYTitle("Entries");
182
183
184	fOutputList->Add(fHistMultV0A);
185	fOutputList->Add(fHistMultV0C);
186	fOutputList->Add(fHistMultV0total);
187	fOutputList->Add(fHistnclus);
188	fOutputList->Add(fHistchi2ndf);
189	fOutputList->Add(fHistNchPt);
190	fOutputList->Add(fHistNchEta);
191	fOutputList->Add(fHistNchEtaCent);
192
193	fOutputList->Add(fHistNchPhi);
194	fOutputList->Add(fHistVz);
195	fOutputList->Add(fHistchi2ndfvscs);
196
197
198
199	TString hname;
200	TString htitle;
201
202	for(Int_t i = 0; i < 25; i++) {
203	hname = "fMult"; hname+=i;
204	htitle = "Multiplicity in Cent Bin "; htitle+=i;
205	fMult[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
206	fOutputList->Add(fMult[i]);
207	}
208
209	for(Int_t i = 25; i < 50; i++) {
210	hname = "fMult"; hname+=i;
211	htitle = "Multiplicity in Cent Bin "; htitle+=i;
212	fMult[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
213	fOutputList->Add(fMult[i]);
214	}
215
216	for(Int_t i = 50; i < 91; i++) {
217	hname = "fMult"; hname+=i;
218	htitle = "Multiplicity in Cent Bin "; htitle+=i;
219	fMult[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
220	fOutputList->Add(fMult[i]);
221	}
222
223	//**************for 2% centrality bin************************//
224	for(Int_t i = 0; i < 12; i++) {
225	hname = "fMultTwo"; hname+=i;
226	htitle = "Multiplicity in Cent Bin "; htitle+=i;
227	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
228	fOutputList->Add(fMultTwo[i]);
229	}
230
231	for(Int_t i = 12; i < 25; i++) {
232	hname = "fMultTwo"; hname+=i;
233	htitle = "Multiplicity in Cent Bin "; htitle+=i;
234	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
235	fOutputList->Add(fMultTwo[i]);
236	}
237
238	for(Int_t i = 25; i <= 45; i++) {
239	hname = "fMultTwo"; hname+=i;
240	htitle = "Multiplicity in Cent Bin "; htitle+=i;
241	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
242	fOutputList->Add(fMultTwo[i]);
243	}
244
245
246
247	//***************************for 5 % centrality bin******************//
248	for(Int_t i = 0; i < 5; i++) {
249	hname = "fMultFive"; hname+=i;
250	htitle = "Multiplicity in Cent Bin "; htitle+=i;
251	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
252	fOutputList->Add(fMultFive[i]);
253	}
254
255	for(Int_t i = 5; i < 10; i++) {
256	hname = "fMultFive"; hname+=i;
257	htitle = "Multiplicity in Cent Bin "; htitle+=i;
258	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
259	fOutputList->Add(fMultFive[i]);
260	}
261
262	for(Int_t i = 10; i <= 14; i++) {
263	hname = "fMultFive"; hname+=i;
264	htitle = "Multiplicity in Cent Bin "; htitle+=i;
265	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
266	fOutputList->Add(fMultFive[i]);
267	}
268
269
270	}
271
272	//________________________________________________________________________
273	void AliEbyEMultFluctuationTask::UserExec(Option_t *)
274	{
275
276
277
278	// Post output data.
279	fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
280	if (!fAOD) {
281	printf("ERROR: fAOD not available\n");
282	return;
283
284	}
285
e70360ad	286	Bool_t isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB);
	287	if(!isSelected) return;
	288	fEventCounter->Fill(1);
	289	//Counter++;
	290
	291
	292	// Get the event vertex.
	293	fAODVertex = fAOD->GetPrimaryVertex();
	294
	295	if(TMath::Abs((fAODVertex->GetZ())-((fAOD->GetPrimaryVertexSPD())->GetZ())) > 0.5) return;
	296
	297	if (!fAODVertex) {
	298
	299	return;
	300	}
	301
	302
	303	if (!SelectEvent(fAODVertex)) return;
	304
	305	//*************VZERO-AMPLITUDE***********************//
	306
	307	AliAODVZERO *aodV0 = fAOD->GetVZEROData();
	308	Float_t fV0Amult = aodV0->GetMTotV0A();
	309	Float_t fV0Cmult = aodV0->GetMTotV0C();
	310	Float_t fV0total = fV0Amult + fV0Cmult;
	311
	312	//***************SPD-CLUSTERS***********************//
	313
	314
	315
	316	AliAODHeader *fHeader = fAOD->GetHeader();
	317	Int_t spdmult0 = fHeader->GetNumberOfITSClusters(0);
	318	Int_t spdmult1 = fHeader->GetNumberOfITSClusters(1);
	319	Int_t run = fHeader->GetRunNumber();
	320
	321	AliAODTracklets *fTracklets = fAOD->GetTracklets();
	322	Int_t tracklets = fTracklets->GetNumberOfTracklets();
	323
	324
	325	//******************CENTRALITY****************************************//
	326
	327	AliCentrality *centrality= fAOD->GetCentrality();
	328	Double_t cent=centrality->GetCentralityPercentile("V0M");
	329	// cout<<"cent= "<<cent<<endl;
	330
	331	if(cent < 0 \|\| cent >= 91) return;
	332
	333	Int_t nCentrality = (Int_t)cent;
	334
	335	Int_t nBin2= (Int_t)( nCentrality/2.0);
	336
	337	Int_t nBin5 = (Int_t)( nCentrality/5.0);
	338	if(nBin5==0){
	339
	340	histcounter->Fill(1);
	341	}
	342
	343
	344
	345	fCentralityCounter->Fill(nCentrality);
	346
	347	fEventCounter->Fill(7);
	348
	349
350	Double_t Mult=0.0;
351	Double_t Mult1=0.0;
352	Double_t Mult2=0.0;
353
738e4ce3	354	//printf("There are %d tracks in this event\n", fAOD->GetNumberOfTracks());
e70360ad	355
	356
	357	for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {
	358	AliAODTrack* track = fAOD->GetTrack(iTracks);
	359	if (!track) {
	360	printf("ERROR: Could not receive track %d\n", iTracks);
	361	continue;
	362	}
	363
	364
	365
	366
	367	// Find the track classification.
	368	Int_t tracktype = SelectTrack(track);
	369
	370
	371	if (tracktype==0) {
	372	continue;
	373	}
	374
	375	if(track->GetType()== AliAODTrack::kPrimary)
	376	{
	377	Short_t Charge = track->Charge();
	378	Double_t eta = track->Eta();
	379	if(TMath :: Abs(Charge)==1 && nBin5==0){
	380	fHistNchEtaCent->Fill(eta);
	381
	382	}
	383
	384	Double_t pt = track->Pt();
	385	if( pt < 0.3 \|\| pt > 2.0 ) continue;
	386	Double_t nclus = track->GetTPCClusterInfo(2,1);
	387	Double_t chi2ndf = track->Chi2perNDF();
	388	fHistnclus->Fill(nclus);
	389	fHistchi2ndf->Fill(chi2ndf);
	390	fHistchi2ndfvscs->Fill(cent,chi2ndf);
	391
	392	//Count the charge particles-----
	393	if(TMath :: Abs(Charge)==1) Mult +=1;
	394	if(Charge==1) Mult1 +=1;
	395	if(Charge==-1) Mult2 +=1;
	396
	397
	398	Double_t phi = track->Phi();
	399	if(TMath :: Abs(Charge)==1) fHistNchPt->Fill(pt);
	400
	401
	402	if(TMath :: Abs(Charge)==1) fHistNchEta->Fill(eta);
	403	if(TMath :: Abs(Charge)==1) fHistNchPhi->Fill(phi);
	404
	405
	406	}
	407
	408
	409	} //track loop
	410
	411
	412	//**************Filling Tree***********************//
	413
	414	My_ntuple->Fill(Mult,Mult1,Mult2,nCentrality,fV0total,nBin2,nBin5,spdmult0,spdmult1,tracklets,run);
	415
	416
	417	fMult[nCentrality]->Fill(Mult);
	418
419	if(nBin2<=45) {
420	fMultTwo[nBin2]->Fill(Mult);
421	}
422	if(nBin5<=14){
423	fMultFive[nBin5]->Fill(Mult);
424	}
425
426	fHistMultV0A->Fill(fV0Amult);
427	fHistMultV0C->Fill(fV0Cmult);
428	fHistMultV0total->Fill(fV0total);
429
430	PostData(1, fOutputList);
431	}
432	//________________________________________________________________________
433	void AliEbyEMultFluctuationTask::Terminate(Option_t *)
434	{
435
436
437	fOutputList = dynamic_cast<TList*> (GetOutputData(1));
438	if (!fOutputList) {
439	printf("ERROR: Output list not available\n");
440	return;
441	}
442
443	}