/**************************************************************************
- * of the Greek group at Physics Department of Athens University
- * Paraskevi Ganoti, Anastasia Belogianni and Filimon Roukoutakis
- * Contributors are mentioned in the code where appropriate. *
+ * Authors: Martha Spyropoulou-Stassinaki and the members *
+ * of the Greek group at Physics Department of Athens University *
+ * Paraskevi Ganoti, Anastasia Belogianni and Filimon Roukoutakis. *
+ * The method is applied in pp and Pb-Pb real data. *
* *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
**************************************************************************/
//-----------------------------------------------------------------
#include "AliAnalysisManager.h"
#include "AliVEvent.h"
#include "AliESDtrackCuts.h"
+#include "AliPIDResponse.h"
ClassImp(AliAnalysisKinkESDat)
fDCAkink(0), fPosiKink(0), fPosiKinkK(0),fPosiKinKXZ(0), fPosiKinKYZ(0), fPosiKinKBg(0), fQtMothP(0), fTPCSgnlPtpc(0),
fTPCMomNSgnl(0), fMothKinkMomSgnl(0), fNSigmTPC(0), fTPCSgnlKinkDau(0), fPtKinkPos(0), fPtKinkNeg(0), fRadNclCln(0),
f1(0), f2(0),
- fListOfHistos(0),fLowMulcut(-1),fUpMulcut(-1),fCutsMul(0)
+ fListOfHistos(0),fLowMulcut(-1),fUpMulcut(-1),fCutsMul(0), fPIDResponse(0)
{
// Constructor
f2->SetParameter(2,TMath::Pi());
//Open file 1= CAF
//OpenFile(1);
- // Double_t gPt[31] = {0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8,0.9,1.0,
- // 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0,
- // 2.2, 2.4, 2.6, 2.8, 3.0, 3.3, 3.6,3.9, 4.2, 4.5, 4.8};
Double_t gPt7K0[45] = {0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8,0.9,1.0,
1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0,
2.2, 2.4, 2.6, 2.8, 3.0, 3.3, 3.6, 3.9,
- 4.2, 4.4,5.0, 5.4, 5.9, 6.5, 7.0,7.5, 8.0,8.5, 9.2, 10., 11., 12., 13.5,15.0 }; // David K0
+ 4.2, 4.6,5.0, 5.4, 5.9, 6.5, 7.0,7.5, 8.0,8.5, 9.2, 10., 11., 12., 13.5,15.0 }; // David K0
Double_t gPt7TOF[47] = { 0.2,0.25, 0.3,0.35, 0.4,0.45, 0.5,0.55, 0.6,0.65, 0.7,0.75, 0.8, 0.85, 0.9, 0.95, 1.0,
1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0,
fHistQtAll = new TH1F("fHistQtAll", "Q_{T} distr All Kinks ",100, 0.0,.300);
fHistQt1= new TH1F("fHistQt1", "Q_{T} distribution",100, 0.0,.300);
fHistQt2= new TH1F("fHistQt2", "Q_{T} distribution",100, 0.0,.300);
- //fHistPtKaon = new TH1F("fHistPtKaon", "P_{T}Kaon distribution",50, 0.0,5.0);
fHistPtKaon = new TH1F("fHistPtKaon", "P_{T}Kaon distribution",300, 0.0,15.0);
fHistPtKPDG = new TH1F("fHistPtKPDG", "P_{T}Kaon distribution",300, 0.0,15.0);
fHistEta= new TH1F("fHistEta", "Eta distribution", 26,-1.3, 1.3);
fgenpt= new TH1F("fgenpt", "genpt K distribution",300, 0.0,15.0);
//frad= new TH1F("frad", "radius K generated",100, 50., 250.0);
frad= new TH1F("frad", "radius K generated",100, 0.,1000.0);
- // fKinkKaon= new TH1F("fKinkKaon", "P_{T}Kaon kinks identi",50, 0.0,5.0);
fKinkKaon= new TH1F("fKinkKaon", "P_{T}Kaon kinks identi",300, 0.0,15.0);
fKinKRbn= new TH1F("fKinKRbn", "p_{t}Kaon kinks identi[GeV/c],Entries",46,gPt7TOF);
fKinkKaonBg= new TH1F("fKinkKaonBg", "P_{T}Kaon kinks backgr",300, 0.0,15.0);
fSignPtNcl= new TH2F("fSignPtNcl","SignPt vrs Ncl,K",80,-4.,4.0,70,20.,160.);
fSignPtEta= new TH2F("fSignPtEta","SignPt vrs Eta,K",80,-4.0,4.0,30,-1.5,1.5);
fEtaNcl= new TH2F("fEtaNcl","Eta vrs nclust,K",30,-1.5,1.5, 70,20, 160);
- //fSignPt= new TH1F("fSignPt","SignPt ,K",40,-4.0,4.0);
fSignPt= new TH1F("fSignPt","SignPt ,K",80,-4.0,4.0);
fChi2NclTPC= new TH2F("fChi2NclTPC","Chi2vrs nclust,K",100,0.,500., 70,20, 160);
fRatChi2Ncl= new TH1F("fRatChi2Ncl","Ratio chi2/nclusters in TPC,K",50,0.0,5.0);
fZvXv= new TH2F("fZvXv","Xv-Zv main vtx",60,-0.5,0.5,60, -15., 15.0);
fZvYv= new TH2F("fZvYv","Yv-Zv main vtx",60,-0.5,0.5, 60, -15., 15.);
fXvYv= new TH2F("fXvYv","Xv-Yv main vtx", 60,-1.5,1.5, 60, -1.5, 1.5);
- // fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",50, 0.0,5.0);
fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",300, 0.0,15.0);
- // fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",50, 0.0,5.0);
fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",300, 0.0,15.0);
-
frapiKESD=new TH1F("frapiKESD","rapid Kdistribution", 26,-1.3, 1.3);
flifetime= new TH1F("flifetime", "ct study of K-kinks",100,0.,1000.);
fradLK= new TH1F("fradLK", "Length of K generated",100,0.,1000.);
fInvMuNuAll= new TH1F("fInvMuNuAll", " Inv Mass MuNu all kink",80,0.,0.8);
fQtInvM= new TH2F("fQtInvM", "Q_{T} Versus Inv MuNu ",80, 0., 0.80 , 100 , 0., 0.300);
fDCAkink = new TH1F("fDCAkink ", "DCA kink vetrex ",50, 0.0,1.0);
-
fPosiKink= new TH2F("fPosiKink", "Y vrx kink Vrex ",100, -300.0,300.0,100, -300, 300.);
fPosiKinkK= new TH2F("fPosiKinkK", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
fPosiKinKXZ= new TH2F("fPosiKinKXZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
}
-//=======================new thing
-// Float_t nCrossedRowsTPC = esdTrack->GetTPCClusterInfo(2,1);
-// Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
-// if (esdTrack->GetTPCNclsF()>0) {
-// ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / esdTrack->GetTPCNclsF();
-// }
//________________________________________________________________________
void AliAnalysisKinkESDat::UserExec(Option_t *)
{
Int_t nGoodTracks = esd->GetNumberOfTracks();
fESDMult->Fill(nGoodTracks);
- // TPC dE/dx , Feb 2012 from Alexander
Double_t nsigmall = 100.0;
Double_t nsigma = 100.0;
Double_t nsigmaPion =-100.0;
- AliESDpid *fESDpid = new AliESDpid();
- if(!fESDpid) fESDpid =
- ((AliESDInputHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->GetESDpid();
-// apo Jens
- // AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
- // AliInputEventHandler* inputHandler = (AliInputEventHandler*)
-// (man->GetInputEventHandler());
-// AliPIDResponse *pidResponse=inputHandler->GetPIDResponse();
-////
+// apo Eftihi
+ if(!fPIDResponse) {
+ AliAnalysisManager *man = AliAnalysisManager::GetAnalysisManager();
+ AliInputEventHandler* inputHandler =
+(AliInputEventHandler*)(man->GetInputEventHandler());
+ fPIDResponse = inputHandler->GetPIDResponse();
+ }
+
// loop on kink daughters
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
Int_t indexKinkDau=trackD->GetKinkIndex(0);
// daughter kink
// AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkDau)-1);
- // if( (kink->GetQt() )< 0.04 ) continue;
- nsigmaPion= (fESDpid->NumberOfSigmasTPC(trackD,AliPID::kPion));
-if((indexKinkDau >0)&& (nsigmaPion>1.2)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
- // if (nsigmaPion> 1.) continue;
+ nsigmaPion = (fPIDResponse->NumberOfSigmasTPC(trackD , AliPID::kPion));// 26/10 eftihis
+//if((indexKinkDau >0)&& (nsigmaPion>1.2)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
+if(indexKinkDau >0) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
}
+
// track loop
//
for (Int_t iTracks = 0; iTracks < esd->GetNumberOfTracks(); iTracks++) {
Printf("ERROR: Could not receive track %d", iTracks);
continue;
}
-// Int_t indexKinkPos=trackD->GetKinkIndex(0);
-// daughter kink
-//if(indexKinkPos >0)fTPCSgnlKinkDau->Fill(track->P(), (track->GetTPCsignal() ) ) ; // daughter kink
fHistPt->Fill(track->Pt());
// sigmas
- nsigmall = (fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+ nsigmall = (fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
// nsigmaPion= (fESDpid->NumberOfSigmasTPC(track,AliPID::kPion));
- nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+ nsigma = TMath::Abs(fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
- Int_t indexKinkPos=track->GetKinkIndex(0);
-// daughter kink
-// if(indexKinkPos >0)fTPCSgnlKinkDau->Fill(track->P(), (track->GetTPCsignal() ) ) ; // daughter kink
+ Int_t indexKinkPos=track->GetKinkIndex(0); // kink index
Int_t tpcNCl = track->GetTPCclusters(0);
Double_t tpcSign = track->GetSign();
if((status&AliESDtrack::kITSrefit)==0) continue;
if((status&AliESDtrack::kTPCrefit)==0) continue;
- //if((track->GetTPCchi2()/track->GetTPCclusters(0))>3.8) continue;
if((track->GetTPCchi2()/track->GetTPCclusters(0))>4.0) continue;
Double_t extCovPos[15];
track->GetExternalCovariance(extCovPos);
- // Alexander 5/3/12 if(extCovPos[0]>2) continue;
- // if(extCovPos[2]>2) continue;
- // if(extCovPos[5]>0.5) continue;
- // if(extCovPos[9]>0.5) continue;
- // if(extCovPos[14]>2) continue;
track->GetXYZ(vtrack);
Double_t rapiditK = 0.5 * (TMath::Log( (etracK + ptrack[2] ) / ( etracK - ptrack[2]) )) ;
Double_t trackEta=trackMom.Eta();
- // Double_t trMoment=trackMom.Mag();
Double_t trackPt = track->Pt();
// Add Kink analysis =============================
-// Int_t indexKinkPos=track->GetKinkIndex(0);
// daughter kink
//if(indexKinkPos >0)fTPCSgnlKinkDau->Fill(track->P(), (track->GetTPCsignal() ) ) ; // daughter kink
// loop on kinks
if(indexKinkPos<0){ ////mother kink
- fptKMC ->Fill( track->Pt() ); // Pt from tracks
+ fptKMC ->Fill( track->Pt() ); // Pt from tracks , all kinks
+
// select kink class
AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkPos)-1);
Double_t trMomTPCKink=motherMfromKink.Mag();
// TPC mother momentun
Double_t trMomTPC=track->GetTPCmomentum();
- // Float_t etaMother=motherMfromKink.Eta();
fHistQtAll->Fill(qT) ; // Qt distr
Float_t kinkAngle=TMath::RadToDeg()*kink->GetAngle(2);
+// rapiditya nd pt selection
if( (TMath::Abs(rapiditK )) > 0.7 ) continue;
- // if ( (track->Pt())<.250)continue;
if ( (track->Pt())<.200)continue; // new Feb 2012
fQtMothP->Fill( track->P(), qT);
- if ( qT> 0.04) fHistQt1 ->Fill(qT) ; // Qt distr
+ if ( qT> 0.04) fHistQt1 ->Fill(qT) ; // Qt distr
- fHistEta->Fill(trackEta) ; // Eta distr of PDG kink ESD kaons
- fHistQt2->Fill(qT); // PDG ESD kaons
+ fHistEta->Fill(trackEta) ; // Eta distr
+ fHistQt2->Fill(qT); //
// maximum decay angle at a given mother momentum
//Double_t maxDecAngKmu=f1->Eval(motherMfromKink.Mag(),0.,0.,0.);
Double_t maxDecAngKmu=f1->Eval(track->P() ,0.,0.,0.);
Double_t maxDecAngpimu=f2->Eval( track->P(), 0.,0.,0.);
+
+// fake kinks are removed
if( (kinkAngle<2.) ) continue;
if ( TMath::Abs(vposKink[2]) < 0.5 ) continue ;
//
fKinkKaonBg->Fill(motherPt);
- fAngMomPi->Fill( track->P(), kinkAngle);
+ fAngMomPi->Fill( track->P(), kinkAngle);
//
// invariant mass of mother track decaying to mu
Float_t energyDaughterMu=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.105658*0.105658);
Double_t invariantMassKmu= TMath::Sqrt((energyDaughterMu+p3Daughter)*(energyDaughterMu+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag());
fQtInvM -> Fill ( invariantMassKmu, qT);
fInvMuNuAll->Fill(invariantMassKmu);
-
- if( ( kink->GetR()> 120 ) && ( kink->GetR() < 210 ) ) {
+//
+ // radius and Minv selection
+ if( ( kink->GetR()> 120 ) && ( kink->GetR() < 210 ) ) {
+ // for systematics if( ( kink->GetR()> 130 ) && ( kink->GetR() < 200 ) ) {
if (qT>0.12) fAngMomKC->Fill(track->P(), kinkAngle);
if ( qT>0.12) fM1kaon->Fill(invariantMassKmu);
if ( qT > 0.12)
fRadiusNcl->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
}
- // if( ( tpcNCl<30) ) continue;
- if( ( tpcNCl<20) ) continue; // test 27 feb 2012
- //if( ( ( track->GetTPCclusters(0) ) / (kink->GetR() ) ) > 0.63 ) continue;
+// tails cleaning
+ if( ( tpcNCl<20) ) continue; // test 27 feb 2012 ,, OK
+// cleaning BG in tails
Int_t tpcNClHigh = -51.67+ (11./12.) *( kink->GetR() ) ;
if ( tpcNCl > tpcNClHigh) continue;
- //Int_t tpcNClMin = -87. + (2./3.) *( kink->GetR() ) ;
Int_t tpcNClMin = -85.5 + (65./95.) *( kink->GetR() ) ;
- // if ( tpcNClMin < tpcNCl ) continue;
if ( tpcNCl < tpcNClMin ) continue;
- // 20/7/2012 if( ( ( track->GetTPCclusters(0) ) / (kink->GetR() ) ) < 0.20 ) continue;
//
- fHistPtKPDG->Fill(track->Pt()); // ALL KAONS (pdg) inside ESD kink sample
+ fHistPtKPDG->Fill(track->Pt()); // ALL K-candidates until now
// if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.6)){
- if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.8)){
-
+ if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.8)){
+ // systematics if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=130.)&&(kink->GetR()<=200.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.8)){
+//
+// maximum angles selection with some error cut
if( (kinkAngle<maxDecAngpimu*1.2) ) continue;
if ( (kinkAngle>maxDecAngKmu*.98) && ( track->P() >1.2 )) continue; ///5/5/2010
-/*
-*/
-
- //fTPCSgnlPa->Fill( trMoment ,(track->GetTPCsignal() ) ) ;
+// here the kaons selected by the decay features
fTPCSgnlPa->Fill( track->GetInnerParam()->GetP() ,(track->GetTPCsignal() ) ) ;
- // fTPCSgnlPa->Fill( trMomTPC ,(track->GetTPCsignal() ) ) ;
- //if ( nsigma > 3.5) continue;
- if ( nsigma > 4.0) continue;
-// daughter selection
- // if (nsigmaPion> 1.) continue; // daughter selection
+//
+ if ( nsigma > 3.5) continue;
+ // system if ( nsigma > 4.0) continue; // gia systamatic error
//
- fHistPtKaon->Fill(track->Pt()); //all PID kink-kaon
- if(tpcSign >0.) fHistPtKaoP->Fill( track->Pt() ) ; //all PID kink-kaon
- if ( tpcSign <0.) fHistPtKaoN->Fill( track->Pt() ) ; //all PID kink-kaon
+// next plots for the identified kaons by the kink analysis
+
+ fHistPtKaon->Fill(track->Pt()); //
+ if(tpcSign >0.) fHistPtKaoP->Fill( track->Pt() ) ; //
+ if ( tpcSign <0.) fHistPtKaoN->Fill( track->Pt() ) ; //
fTPCSgnlP->Fill(track->GetInnerParam()->GetP(), (track->GetTPCsignal() ) ) ;
fRadNclCln->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
- // fTPCSgnlP->Fill(trMomTPC , (track->GetTPCsignal() ) ) ;
fTPCSgnlPtpc->Fill(trMomTPC , (track->GetTPCsignal() ) ) ;
fMothKinkMomSgnl ->Fill(trMomTPCKink , (track->GetTPCsignal() ) ) ;
- // fTPCMomNSgnl->Fill(trMomTPC ,pidResponse->NumberOfSigmasTPC(track, AliPID::kKaon) );
-// daughter selection
-// if (nsigmaPion>1.2) continue; // daughter selection
//
fTPCMomNSgnl->Fill(trMomTPC ,nsigmall );
fNSigmTPC ->Fill(nsigmall );
{
// Get the vertex
-// 5/3/12 const AliESDVertex* vertex = esd->GetPrimaryVertex(); // older cut
const AliESDVertex* vertex = esd->GetPrimaryVertexTracks();
- // if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>2)) return vertex;
if((vertex->GetStatus()==kTRUE)) return vertex;
else
{
vertex = esd->GetPrimaryVertexSPD();
if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>0)) return vertex;
-// if((vertex->GetStatus()==kTRUE)) return vertex;
else
return 0;
}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff