[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), fOutputList(0),fHistNchPt(0),fHistNchEta(0),fHistNchEtaCent(0),fHistNchPhi(0),fHistDCAxy(0),fHistDCAz(0),fHistnclus(0),fHistchi2ndf(0),fDeDx(NULL),fHistMult(0),fAODVertex(0),fPID(0),fEventCounter(0),histcounter(0),fHistVz(0),fHistchi2ndfvscs(0),My_ntuple(0),fHistMultV0A(0),fHistMultV0C(0),fHistMultV0total(0),fCentralityCounter(0),fCentralityEstimator("V0M"),Counter(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();
	Double_t phi = track->Phi();

     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;

  }

  //  Int_t Counter = 0;
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)
	37	: AliAnalysisTaskSE(name), fAOD(0), fOutputList(0),fHistNchPt(0),fHistNchEta(0),fHistNchEtaCent(0),fHistNchPhi(0),fHistDCAxy(0),fHistDCAz(0),fHistnclus(0),fHistchi2ndf(0),fDeDx(NULL),fHistMult(0),fAODVertex(0),fPID(0),fEventCounter(0),histcounter(0),fHistVz(0),fHistchi2ndfvscs(0),My_ntuple(0),fHistMultV0A(0),fHistMultV0C(0),fHistMultV0total(0),fCentralityCounter(0),fCentralityEstimator("V0M"),Counter(0)
	38
	39
	40
	41	{
	42	// Constructor
	43	for(Int_t ibin=0;ibin<91;ibin++)
	44	{
	45	fMult[ibin]=NULL;
	46	}
	47	for(Int_t jbin=0;jbin<46;jbin++)
	48	{
	49	fMultTwo[jbin]=NULL;
	50	}
	51	for(Int_t kbin=0;kbin<15;kbin++)
	52	{
	53	fMultFive[kbin]=NULL;
	54	}
	55
	56
	57	DefineInput(0, TChain::Class());
	58
	59	DefineOutput(1, TList::Class());
	60	}
	61
	62	//________________________________________________________________________
	63	Bool_t AliEbyEMultFluctuationTask :: SelectEvent(AliAODVertex* vertex)
	64	{
65	if(vertex)
66
67	if(vertex->GetNContributors() < 0) return kFALSE;
68
69
70	Double_t lvx = vertex->GetX();
71	Double_t lvy = vertex->GetY();
72	Double_t lvz = vertex->GetZ();
73
74	fEventCounter->Fill(3);
75
76
77	if(TMath::Abs(lvx) > 0.3) return kFALSE;
78	if(TMath::Abs(lvy) > 0.3) return kFALSE;
79	if(TMath::Abs(lvz) > 10) return kFALSE;
80	if(vertex->GetType()==AliAODVertex::kPileupSPD) return kFALSE;
81
82	fEventCounter->Fill(5);
83	fHistVz->Fill(lvz);
84	return kTRUE;
85	}
86	//_____________________________________________________________________________
87	Int_t AliEbyEMultFluctuationTask :: SelectTrack(AliAODTrack* track)
88	{
89
90	Double_t eta = track->Eta();
91	Double_t phi = track->Phi();
92
93	if(TMath :: Abs(eta)>0.8) return 0;
94
95	if(!track->TestFilterBit(128)) return 0;
96
97	Float_t dxy, dz;
98
99	dxy = track->DCA();
100	dz = track->ZAtDCA();
101	if(TMath ::Abs(dxy) >2.4 \|\| TMath ::Abs(dz)>3.0) return 0;
102	// cout<<dxy<<dz<<endl;
103
104
105	Double_t nclus = track->GetTPCClusterInfo(2,1);
106	if(nclus<80) return 0;
107
108	//chi2cut
109
110	Double_t chi2ndf = track->Chi2perNDF();
111	if(chi2ndf>4) return 0;
112
113	return 1;
114
115
116	}
117
118	//___________________________________________________________________________________
119	void AliEbyEMultFluctuationTask::UserCreateOutputObjects()
120	{
121	fOutputList = new TList();
122
123
124
125	My_ntuple = new TNtuple("My_ntuple", "My_ntuple", "Mult:Mult1:Mult2:nCentrality:fV0total:nBin2:nBin5:spdmult0:spdmult1:tracklets:run");
126	fOutputList->Add(My_ntuple);
127
128	fOutputList->SetOwner(kTRUE);
129	fEventCounter = new TH1D("fEventCounter","EventCounter", 10, 0.5,10.5);
130	fOutputList->Add(fEventCounter);
131
132
133	histcounter = new TH1D("histcounter","histcounter", 10, 0.5,10.5);
134	fOutputList->Add(histcounter);
135
136
137	TString BinLebel;
138	fCentralityCounter = new TH1D("fEventCounter","EventCounter", 100, 0.5,100.5);
139	TAxis *xaxis = fCentralityCounter->GetXaxis();
140	for(Int_t ibin=0;ibin<100;ibin++)
141	{
142	BinLebel="cent";BinLebel+=ibin;
143	xaxis->SetBinLabel(ibin,BinLebel.Data());
144
145	}
146	fOutputList->Add(fCentralityCounter);
147
148	fHistMultV0A = new TH1F("fHistMultV0A","Mult-VOA",22000,0,22000);
149	fHistMultV0C = new TH1F("fHistMultV0C","Mult-VOC",22000,0,22000);
150	fHistMultV0total = new TH1F("fHistMultV0total","Mult-VOTotal",22000,0,22000);
151
152
153	fHistNchEta = new TH1D("fHistNchEta", "#eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
154	fHistNchEta->GetXaxis()->SetTitle("#eta");
155	fHistNchEta->GetYaxis()->SetTitle("dNch/d#eta");
156
157
158	fHistNchEtaCent = new TH1D("fHistNchEtaCent", "Central #eta distribution of charged tracks(for hybrid)", 200, -0.8, 0.8);
159	fHistNchEtaCent->GetXaxis()->SetTitle("#eta");
160	fHistNchEtaCent->GetYaxis()->SetTitle("dNch/d#eta(Central)");
161
162
163
164	fHistNchPhi = new TH1D("fHistNchPhi", "#phi distribution of charged tracks(for hybrid)", 200, -10, 10);
165	fHistNchPhi->GetXaxis()->SetTitle("#phi");
166	fHistNchPhi->GetYaxis()->SetTitle("dNch/d#phi");
167
168	fHistNchPt = new TH1D("fHistNchPt", "P_{T} distribution(charged tracks for hybrid)", 150, 0.1, 3.1);
169	fHistNchPt->GetXaxis()->SetTitle("P_{T} (GeV/c)");
170	fHistNchPt->GetYaxis()->SetTitle("dNch/dP_{T}(c/GeV)");
171
172
173	fHistchi2ndfvscs = new TH2D("fHistchi2ndfvscs","Chi2/ndf from Gaussian fits of Multiplicity Distribution",95,0,95,60,0,6);
174	fHistchi2ndfvscs->SetXTitle("%cs");
175	fHistchi2ndfvscs->SetYTitle("Chi2/ndf");
176
177
178	fHistnclus=new TH1D("no of clusters","no of tracks after TPCcluster cut",200,0,200);
179	fHistchi2ndf= new TH1D("chi_square/ndf","no of tracks after chi_square/ndf cut",10,0,10);
180
181	fHistVz = new TH1D("fHistVz","Primary vertex distribution - z coordinate",90,-15,15);
182	fHistVz->SetXTitle("Vz");
183	fHistVz->SetYTitle("Entries");
184
185
186	fOutputList->Add(fHistMultV0A);
187	fOutputList->Add(fHistMultV0C);
188	fOutputList->Add(fHistMultV0total);
189	fOutputList->Add(fHistnclus);
190	fOutputList->Add(fHistchi2ndf);
191	fOutputList->Add(fHistNchPt);
192	fOutputList->Add(fHistNchEta);
193	fOutputList->Add(fHistNchEtaCent);
194
195	fOutputList->Add(fHistNchPhi);
196	fOutputList->Add(fHistVz);
197	fOutputList->Add(fHistchi2ndfvscs);
198
199
200
201	TString hname;
202	TString htitle;
203
204	for(Int_t i = 0; i < 25; i++) {
205	hname = "fMult"; hname+=i;
206	htitle = "Multiplicity in Cent Bin "; htitle+=i;
207	fMult[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
208	fOutputList->Add(fMult[i]);
209	}
210
211	for(Int_t i = 25; i < 50; i++) {
212	hname = "fMult"; hname+=i;
213	htitle = "Multiplicity in Cent Bin "; htitle+=i;
214	fMult[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
215	fOutputList->Add(fMult[i]);
216	}
217
218	for(Int_t i = 50; i < 91; i++) {
219	hname = "fMult"; hname+=i;
220	htitle = "Multiplicity in Cent Bin "; htitle+=i;
221	fMult[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
222	fOutputList->Add(fMult[i]);
223	}
224
225	//**************for 2% centrality bin************************//
226	for(Int_t i = 0; i < 12; i++) {
227	hname = "fMultTwo"; hname+=i;
228	htitle = "Multiplicity in Cent Bin "; htitle+=i;
229	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
230	fOutputList->Add(fMultTwo[i]);
231	}
232
233	for(Int_t i = 12; i < 25; i++) {
234	hname = "fMultTwo"; hname+=i;
235	htitle = "Multiplicity in Cent Bin "; htitle+=i;
236	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
237	fOutputList->Add(fMultTwo[i]);
238	}
239
240	for(Int_t i = 25; i <= 45; i++) {
241	hname = "fMultTwo"; hname+=i;
242	htitle = "Multiplicity in Cent Bin "; htitle+=i;
243	fMultTwo[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
244	fOutputList->Add(fMultTwo[i]);
245	}
246
247
248
249	//***************************for 5 % centrality bin******************//
250	for(Int_t i = 0; i < 5; i++) {
251	hname = "fMultFive"; hname+=i;
252	htitle = "Multiplicity in Cent Bin "; htitle+=i;
253	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),5000,0.5,5000.5);
254	fOutputList->Add(fMultFive[i]);
255	}
256
257	for(Int_t i = 5; i < 10; i++) {
258	hname = "fMultFive"; hname+=i;
259	htitle = "Multiplicity in Cent Bin "; htitle+=i;
260	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),3000,0.5,3000.5);
261	fOutputList->Add(fMultFive[i]);
262	}
263
264	for(Int_t i = 10; i <= 14; i++) {
265	hname = "fMultFive"; hname+=i;
266	htitle = "Multiplicity in Cent Bin "; htitle+=i;
267	fMultFive[i] = new TH1F(hname.Data(),htitle.Data(),2000,0.5,2000.5);
268	fOutputList->Add(fMultFive[i]);
269	}
270
271
272	}
273
274	//________________________________________________________________________
275	void AliEbyEMultFluctuationTask::UserExec(Option_t *)
276	{
277
278
279
280	// Post output data.
281	fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
282	if (!fAOD) {
283	printf("ERROR: fAOD not available\n");
284	return;
285
286	}
287
288	// Int_t Counter = 0;
289	Bool_t isSelected = (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB);
290	if(!isSelected) return;
291	fEventCounter->Fill(1);
292	//Counter++;
293
294
295	// Get the event vertex.
296	fAODVertex = fAOD->GetPrimaryVertex();
297
298	if(TMath::Abs((fAODVertex->GetZ())-((fAOD->GetPrimaryVertexSPD())->GetZ())) > 0.5) return;
299
300	if (!fAODVertex) {
301
302	return;
303	}
304
305
306	if (!SelectEvent(fAODVertex)) return;
307
308	//*************VZERO-AMPLITUDE***********************//
309
310	AliAODVZERO *aodV0 = fAOD->GetVZEROData();
311	Float_t fV0Amult = aodV0->GetMTotV0A();
312	Float_t fV0Cmult = aodV0->GetMTotV0C();
313	Float_t fV0total = fV0Amult + fV0Cmult;
314
315	//***************SPD-CLUSTERS***********************//
316
317
318
319	AliAODHeader *fHeader = fAOD->GetHeader();
320	Int_t spdmult0 = fHeader->GetNumberOfITSClusters(0);
321	Int_t spdmult1 = fHeader->GetNumberOfITSClusters(1);
322	Int_t run = fHeader->GetRunNumber();
323
324	AliAODTracklets *fTracklets = fAOD->GetTracklets();
325	Int_t tracklets = fTracklets->GetNumberOfTracklets();
326
327
328	//******************CENTRALITY****************************************//
329
330	AliCentrality *centrality= fAOD->GetCentrality();
331	Double_t cent=centrality->GetCentralityPercentile("V0M");
332	// cout<<"cent= "<<cent<<endl;
333
334	if(cent < 0 \|\| cent >= 91) return;
335
336	Int_t nCentrality = (Int_t)cent;
337
338	Int_t nBin2= (Int_t)( nCentrality/2.0);
339
340	Int_t nBin5 = (Int_t)( nCentrality/5.0);
341	if(nBin5==0){
342
343	histcounter->Fill(1);
344	}
345
346
347
348	fCentralityCounter->Fill(nCentrality);
349
350	fEventCounter->Fill(7);
351
352
353	Double_t Mult=0.0;
354	Double_t Mult1=0.0;
355	Double_t Mult2=0.0;
356
357	//printf("There are %d tracks in this event\n", fAOD->GetNumberOfTracks());
358
359
360	for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {
361	AliAODTrack* track = fAOD->GetTrack(iTracks);
362	if (!track) {
363	printf("ERROR: Could not receive track %d\n", iTracks);
364	continue;
365	}
366
367
368
369
370	// Find the track classification.
371	Int_t tracktype = SelectTrack(track);
372
373
374	if (tracktype==0) {
375	continue;
376	}
377
378	if(track->GetType()== AliAODTrack::kPrimary)
379	{
380	Short_t Charge = track->Charge();
381	Double_t eta = track->Eta();
382	if(TMath :: Abs(Charge)==1 && nBin5==0){
383	fHistNchEtaCent->Fill(eta);
384
385	}
386
387	Double_t pt = track->Pt();
388	if( pt < 0.3 \|\| pt > 2.0 ) continue;
389	Double_t nclus = track->GetTPCClusterInfo(2,1);
390	Double_t chi2ndf = track->Chi2perNDF();
391	fHistnclus->Fill(nclus);
392	fHistchi2ndf->Fill(chi2ndf);
393	fHistchi2ndfvscs->Fill(cent,chi2ndf);
394
395	//Count the charge particles-----
396	if(TMath :: Abs(Charge)==1) Mult +=1;
397	if(Charge==1) Mult1 +=1;
398	if(Charge==-1) Mult2 +=1;
399
400
401	Double_t phi = track->Phi();
402	if(TMath :: Abs(Charge)==1) fHistNchPt->Fill(pt);
403
404
405	if(TMath :: Abs(Charge)==1) fHistNchEta->Fill(eta);
406	if(TMath :: Abs(Charge)==1) fHistNchPhi->Fill(phi);
407
408
409	}
410
411
412	} //track loop
413
414
415	//**************Filling Tree***********************//
416
417	My_ntuple->Fill(Mult,Mult1,Mult2,nCentrality,fV0total,nBin2,nBin5,spdmult0,spdmult1,tracklets,run);
418
419
420	fMult[nCentrality]->Fill(Mult);
421
422	if(nBin2<=45) {
423	fMultTwo[nBin2]->Fill(Mult);
424	}
425	if(nBin5<=14){
426	fMultFive[nBin5]->Fill(Mult);
427	}
428
429	fHistMultV0A->Fill(fV0Amult);
430	fHistMultV0C->Fill(fV0Cmult);
431	fHistMultV0total->Fill(fV0total);
432
433	PostData(1, fOutputList);
434	}
435	//________________________________________________________________________
436	void AliEbyEMultFluctuationTask::Terminate(Option_t *)
437	{
438
439
440	fOutputList = dynamic_cast<TList*> (GetOutputData(1));
441	if (!fOutputList) {
442	printf("ERROR: Output list not available\n");
443	return;
444	}
445
446	}