--- /dev/null
+/**************************************************************************
+ * 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. *
+ * *
+ * 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. *
+ **************************************************************************/
+
+//-----------------------------------------------------------------
+// AliAnalysisKinkESDat class
+// Example of an analysis task for kink topology study
+// Kaons from kink topology are 'identified' in this code
+//-----------------------------------------------------------------
+
+#include "TChain.h"
+#include "TTree.h"
+#include "TH1F.h"
+#include "TH2F.h"
+#include "TH3F.h"
+#include "TH1D.h"
+#include "TH2D.h"
+#include "TParticle.h"
+#include <TVector3.h>
+#include "TF1.h"
+
+#include "AliAnalysisTask.h"
+#include "AliAnalysisManager.h"
+
+#include "AliVEvent.h"
+#include "AliESDEvent.h"
+#include "AliMCEvent.h"
+#include "AliAnalysisKinkESDat.h"
+#include "AliStack.h"
+#include "AliESDpid.h"
+#include "AliPID.h"
+#include "AliESDkink.h"
+#include "AliESDtrack.h"
+#include "AliPhysicsSelectionTask.h"
+#include "AliInputEventHandler.h"
+#include "AliAnalysisManager.h"
+#include "AliVEvent.h"
+//#include "AddTaskTender.h"
+// #include "AliTPCpidESD.h"
+#include "AliESDtrackCuts.h"
+ClassImp(AliAnalysisKinkESDat)
+
+
+//________________________________________________________________________
+AliAnalysisKinkESDat::AliAnalysisKinkESDat(const char *name)
+ : AliAnalysisTaskSE(name), fHistPtESD(0),fHistPt(0),fHistQtAll(0),fHistQt1(0),fHistQt2(0)
+ , fHistPtKaon(0),fHistPtKPDG(0),fHistEta(0),fHistEtaK(0),fptKMC(0),fMultiplMC(0),fESDMult(0),fgenpt(0),frad(0),
+ fKinkKaon(0),fKinKRbn(0), fKinkKaonBg(0), fM1kaon(0), fgenPtEtR(0),fPtKink(0), fptKink(0),
+ fcodeH(0), fdcodeH(0), fAngMomK(0),fAngMomPi(0), fAngMomKC(0), fMultESDK(0), fMultMCK(0),
+ fSignPtNcl(0), fSignPtEta(0), fEtaNcl(0), fSignPt(0), fChi2NclTPC(0), fRatChi2Ncl(0), fRadiusNcl(0), fTPCSgnlP(0),
+ fTPCSgnlPa(0), fRpr(0),fZpr(0), fdcatoVxXY(0), fnSigmToVx(0), fKinkMothDau(0),
+ fZvXv(0),fZvYv(0), fXvYv(0), fPtPrKink(0), fHistPtKaoP(0), fHistPtKaoN(0),frapiKESD(0), flifetime(), fradLK(0),
+ fradPtRpDt(0), fInvMuNuAll(0), fQtInvM(0),
+ fDCAkink(0), fPosiKink(0), fPosiKinkK(0),fPosiKinKXZ(0), fPosiKinKYZ(0), fPosiKinKBg(0), fQtMothP(0),
+ f1(0), f2(0),
+ fListOfHistos(0),fLowMulcut(-1),fUpMulcut(-1),fCutsMul(0)
+
+{
+ // Constructor
+
+ // Define input and output slots here
+ // Input slot #0 works with a TChain
+ // DefineInput(0, TChain::Class());
+//----------------------Marek multiplicity bins
+ fCutsMul=new AliESDtrackCuts("Mul","Mul");
+ fCutsMul->SetMinNClustersTPC(70);
+ fCutsMul->SetMaxChi2PerClusterTPC(4);
+ fCutsMul->SetAcceptKinkDaughters(kFALSE);
+ fCutsMul->SetRequireTPCRefit(kTRUE);
+ // ITS
+ fCutsMul->SetRequireITSRefit(kTRUE);
+ fCutsMul->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+ AliESDtrackCuts::kAny);
+ fCutsMul->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
+
+ fCutsMul->SetMaxDCAToVertexZ(2);
+ fCutsMul->SetDCAToVertex2D(kFALSE);
+ fCutsMul->SetRequireSigmaToVertex(kFALSE);
+
+ fCutsMul->SetEtaRange(-0.8,+0.8);
+ fCutsMul->SetPtRange(0.15, 1e10);
+
+
+ DefineOutput(1, TList::Class());
+}
+
+//________________________________________________________________________
+void AliAnalysisKinkESDat::UserCreateOutputObjects()
+{
+ // Create histograms
+ // Called once
+
+ f1=new TF1("f1","((atan([0]*[1]*(1.0/(sqrt((x^2)*(1.0-([1]^2))-([0]^2)*([1]^2))))))*180.)/[2]",1.1,10.0);
+ f1->SetParameter(0,0.493677);
+ f1->SetParameter(1,0.9127037);
+ f1->SetParameter(2,TMath::Pi());
+
+
+ f2=new TF1("f2","((atan([0]*[1]*(1.0/(sqrt((x^2)*(1.0-([1]^2))-([0]^2)*([1]^2))))))*180.)/[2]",0.1,10.0);
+ f2->SetParameter(0,0.13957018);
+ f2->SetParameter(1,0.2731374);
+ 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 gPt7[43] = {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,
+ 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7,2.8, 2.9, 3.0,
+ 3.2, 3.4, 3.6, 3.8, 4.0, 4.4, 4.8,5.2, 5.6, 6.0, 7.0, 8.0,10.0 };
+
+ fHistPtESD = new TH1F("fHistPtESD", "P_{T} distribution",50, 0.0,5.0);
+ fHistPtESD->GetXaxis()->SetTitle("P_{T} (GeV/c)");
+ fHistPtESD->GetYaxis()->SetTitle("dN/dP_{T} (c/GeV)");
+ fHistPtESD->SetMarkerStyle(kFullCircle);
+ fHistPt = new TH1F("fHistPt", "P_{T} distribution",50, 0.0,5.0);
+ 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",100, 0.0,10.0);
+ fHistPtKPDG = new TH1F("fHistPtKPDG", "P_{T}Kaon distribution",50, 0.0,5.0);
+ fHistEta= new TH1F("fHistEta", "Eta distribution", 26,-1.3, 1.3);
+ fHistEtaK= new TH1F("fHistEtaK", "EtaK distribution", 26,-1.3, 1.3);
+ fptKMC= new TH1F("fptKMC", "P_{T}Kaon generated",100, 0.0,10.0);
+ fMultiplMC= new TH1F("fMultiplMC", "charge multiplicity MC",100, 0.0,300.0);
+ fESDMult= new TH1F("fESDMult", "charge multipliESD",100, 0.0,300.0);
+ fgenpt= new TH1F("fgenpt", "genpt K distribution",50, 0.0,5.0);
+ //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",100, 0.0,10.0);
+ fKinKRbn= new TH1F("fKinKRbn", "p_{t}Kaon kinks identi[GeV/c],Entries",42,gPt7);
+ fKinkKaonBg= new TH1F("fKinkKaonBg", "P_{T}Kaon kinks backgr",50, 0.0,5.0);
+ fM1kaon= new TH1F("fM1kaon","Invar m(kaon) from kink->mu+netrino decay",80,0.0, 0.8);
+ fgenPtEtR= new TH1F("fgenPtEtR", "P_{T}Kaon distribution",50, 0.0,5.0);
+ fPtKink= new TH1F("fPtKink", "P_{T}Kaon Kink bution",50, 0.0,5.0);
+ fptKink= new TH1F("fptKink", "P_{T}Kaon Kink bution",50, 0.0,5.0);
+ fcodeH = new TH2F("fcodeH", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
+ fdcodeH = new TH2F("fdcodeH", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
+ fAngMomK= new TH2F("fAngMomK","Decay angle vrs Mother Mom,K",100,0.0,5.0,80,0.,80.);
+ fAngMomPi= new TH2F("fAngMomPi","Decay angle vrs Mother Mom,Pi",100,0.0,5.0,80,0.,80.);
+ fAngMomKC= new TH2F("fAngMomKC","Decay angle vrs Mother Mom,K",100,0.0,5.0,80,0.,80.);
+ fMultESDK=new TH1F("fMultESDK", "charge multipliESD kaons",100, 0.0,100.0);
+ fMultMCK=new TH1F("fMultMCK", "charge multipli MC kaons",100, 0.0,100.0);
+ 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);
+ fRadiusNcl = new TH2F("fRadiusNcl","kink radius vrs Nclust,K",75,100.,250., 70,20, 160);
+ fTPCSgnlP = new TH2F("fTPCSgnlP","TPC signal de/dx Mom,K",100,0.0,4.0,100,0.,250.);
+ fTPCSgnlPa= new TH2F("fTPCSgnlPa","TPC signal de/dx Mom,K",100,0.0,4.,100, 0.,250.);
+ fRpr = new TH1D("fRpr", "rad distribution PID pr",100,-10.0, 10.0);
+ fZpr = new TH1D("fZpr", "z distribution PID pr ",80,-20.,20.);
+ fdcatoVxXY = new TH1D("fdcatoVxXY", "dca distribution PID ",20,-1.,1.);
+ fnSigmToVx = new TH1D("fnSigmToVx", "dca distribution PID ",80,0.,8.);
+ fKinkMothDau= new TH2F("fKinkMothDau","TPC kink Moth Daugh ,K",50,0.0,2.5,50, 0., 2.5);
+ 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);
+ fPtPrKink=new TH1F("fPtPrKink","pt of ESD kaonKink tracks",100, 0.0,10.0);
+ // fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",50, 0.0,5.0);
+ fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",100, 0.0,10.0);
+ // fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",50, 0.0,5.0);
+ fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",100, 0.0,10.0);
+
+ 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.);
+ fradPtRpDt=new TH3F("fradPtRpDt","rad pt rap dat",28,100.,240., 20, 0., 5., 20, -1., 1. );
+ 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.);
+ fPosiKinKYZ= new TH2F("fPosiKinKYZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
+ fPosiKinKBg= new TH2F("fPosiKinKBg", "z vrx kink rad ",100, -300.0,300.0,100,100., 300.);
+ fQtMothP = new TH2F("fQtMothP", " Qt vrs Mother P", 100, 0., 5.0,100, 0.,0.300);
+
+ fListOfHistos=new TList();
+
+ fListOfHistos->Add(fHistPtESD);
+ fListOfHistos->Add(fHistPt);
+ fListOfHistos->Add(fHistQtAll);
+ fListOfHistos->Add(fHistQt1);
+ fListOfHistos->Add(fHistQt2);
+ fListOfHistos->Add(fHistPtKaon);
+ fListOfHistos->Add(fHistPtKPDG);
+ fListOfHistos->Add(fHistEta);
+ fListOfHistos->Add(fHistEtaK);
+ fListOfHistos->Add(fptKMC);
+ fListOfHistos->Add(fMultiplMC);
+ fListOfHistos->Add(fESDMult);
+ fListOfHistos->Add(fgenpt);
+ fListOfHistos->Add(frad);
+ fListOfHistos->Add(fKinkKaon);
+ fListOfHistos->Add(fKinKRbn);
+ fListOfHistos->Add(fKinkKaonBg);
+ fListOfHistos->Add(fM1kaon);
+ fListOfHistos->Add(fgenPtEtR);
+ fListOfHistos->Add(fPtKink);
+ fListOfHistos->Add(fptKink);
+ fListOfHistos->Add(fcodeH);
+ fListOfHistos->Add(fdcodeH);
+ fListOfHistos->Add(fAngMomK);
+ fListOfHistos->Add(fAngMomPi);
+ fListOfHistos->Add(fAngMomKC);
+ fListOfHistos->Add(fMultESDK);
+ fListOfHistos->Add(fMultMCK);
+ fListOfHistos->Add(fSignPtNcl);
+ fListOfHistos->Add(fSignPtEta);
+ fListOfHistos->Add(fEtaNcl);
+ fListOfHistos->Add(fSignPt);
+ fListOfHistos->Add(fChi2NclTPC);
+ fListOfHistos->Add(fRatChi2Ncl);
+ fListOfHistos->Add(fRadiusNcl);
+ fListOfHistos->Add(fTPCSgnlP);
+ fListOfHistos->Add(fTPCSgnlPa);
+ fListOfHistos->Add(fRpr);
+ fListOfHistos->Add(fZpr);
+ fListOfHistos->Add(fdcatoVxXY);
+ fListOfHistos->Add(fnSigmToVx);
+ fListOfHistos->Add(fKinkMothDau);
+ fListOfHistos->Add(fZvXv);
+ fListOfHistos->Add(fZvYv);
+ fListOfHistos->Add(fXvYv);
+ fListOfHistos->Add(fPtPrKink);
+ fListOfHistos->Add(fHistPtKaoP);
+ fListOfHistos->Add(fHistPtKaoN);
+ fListOfHistos->Add(frapiKESD);
+ fListOfHistos->Add(flifetime);
+ fListOfHistos->Add(fradLK);
+ fListOfHistos->Add(fradPtRpDt);
+ fListOfHistos->Add(fInvMuNuAll);
+ fListOfHistos->Add(fQtInvM);
+ fListOfHistos->Add(fDCAkink);
+ fListOfHistos->Add(fPosiKink);
+ fListOfHistos->Add(fPosiKinkK);
+ fListOfHistos->Add(fPosiKinKXZ);
+ fListOfHistos->Add(fPosiKinKYZ);
+ fListOfHistos->Add(fPosiKinKBg);
+ fListOfHistos->Add(fQtMothP);
+
+
+}
+//=======================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 *)
+{
+ // Main loop
+ // Called for each event
+
+ // Process MC truth, therefore we receive the AliAnalysisManager and ask it for the AliMCEventHandler
+ // This handler can return the current MC event
+
+ AliVEvent *event = InputEvent();
+ if (!event) {
+ Printf("ERROR: Could not retrieve event");
+ return;
+ }
+
+ AliESDEvent* esd = dynamic_cast<AliESDEvent*>(event);
+ if (!esd) {
+ Printf("ERROR: Could not retrieve esd");
+ return;
+ }
+//==================check of Physics selection?
+ Bool_t isSelected =
+((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected()&AliVEvent::kMB;
+
+ if ( isSelected ==kFALSE) return; // 24/6/11 apo MF
+//
+//
+ Int_t nESDTracks = esd->GetNumberOfTracks();
+ fMultMCK->Fill(nESDTracks);
+//===============Marek multiplicity
+ Float_t refmultiplicity=fCutsMul->CountAcceptedTracks(esd);
+ if(fLowMulcut>-1)
+ {
+ if(refmultiplicity<fLowMulcut)
+ return;
+ }
+ if(fUpMulcut>-1)
+ {
+ if(refmultiplicity>fUpMulcut)
+ return;
+ }
+
+
+
+ fMultESDK->Fill(refmultiplicity);
+
+//
+// Int_t nESDTracks = esd->GetNumberOfTracks();
+ // if ( nESDTracks>0 ) fMultMCK->Fill(nESDTracks);
+
+
+
+ const AliESDVertex *vertex=GetEventVertex(esd); // 22/8
+ if(!vertex) return;
+ fMultiplMC->Fill(nESDTracks);
+//
+ Double_t vpos[3];
+ vertex->GetXYZ(vpos);
+ fZpr->Fill(vpos[2]);
+ if (TMath::Abs( vpos[2] ) > 10. ) return;
+
+
+
+ Double_t vtrack[3], ptrack[3];
+
+
+ Int_t nESDTracK = 0;
+ Int_t nESDTrKink = 0;
+
+ Int_t nGoodTracks = esd->GetNumberOfTracks();
+ fESDMult->Fill(nGoodTracks);
+
+ Double_t fAlephParameters[5] = {0.0283086,
+ 2.63394e+01,
+ 5.04114e-11,
+ 2.12543e+00,
+ 4.88663e+00};
+ Double_t nsigma = 100.0;
+ AliESDpid *fESDpid = new AliESDpid();
+ fESDpid->GetTPCResponse().SetBetheBlochParameters(fAlephParameters[0],
+ fAlephParameters[1],
+ fAlephParameters[2],
+ fAlephParameters[3],
+ fAlephParameters[4]);
+//
+// track loop
+ for (Int_t iTracks = 0; iTracks < esd->GetNumberOfTracks(); iTracks++) {
+
+ AliESDtrack* track = esd->GetTrack(iTracks);
+ if (!track) {
+ Printf("ERROR: Could not receive track %d", iTracks);
+ continue;
+ }
+
+ fHistPt->Fill(track->Pt());
+
+
+ // sigmas
+ nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+
+
+
+ Int_t tpcNCl = track->GetTPCclusters(0);
+ Double_t tpcSign = track->GetSign();
+
+ Int_t label = track->GetLabel();
+ label = TMath::Abs(label);
+
+
+ UInt_t status=track->GetStatus();
+
+ if((status&AliESDtrack::kITSrefit)==0) continue;
+ if((status&AliESDtrack::kTPCrefit)==0) continue;
+ if((track->GetTPCchi2()/track->GetTPCclusters(0))>3.8) continue;
+
+ Double_t extCovPos[15];
+ track->GetExternalCovariance(extCovPos);
+ 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);
+ fXvYv->Fill(vtrack[0],vtrack[1]);
+ fZvYv->Fill(vtrack[0],vtrack[2]);
+ fZvXv->Fill(vtrack[1],vtrack[2]);
+
+// track momentum, rapidity calculation
+ track->GetPxPyPz(ptrack);
+
+ TVector3 trackMom(ptrack[0],ptrack[1],ptrack[2]);
+
+ Double_t etracK= TMath::Sqrt(trackMom.Mag()*trackMom.Mag() + 0.493677 *0.493677 );
+ 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();
+
+
+
+ Float_t bpos[2];
+ Float_t bCovpos[3];
+ track->GetImpactParameters(bpos,bCovpos);
+
+ if (bCovpos[0]<=0 || bCovpos[2]<=0) {
+ Printf("Estimated b resolution lower or equal zero!");
+ bCovpos[0]=0; bCovpos[2]=0;
+ }
+
+ Float_t dcaToVertexXYpos = bpos[0];
+ Float_t dcaToVertexZpos = bpos[1];
+
+ fRpr->Fill(dcaToVertexZpos);
+
+ if((TMath::Abs(dcaToVertexXYpos)>0.3)||(TMath::Abs(dcaToVertexZpos)>3.0)) nESDTrKink++; // count of second 23Jul11
+//
+ // if((dcaToVertexXYpos>0.3)||(dcaToVertexZpos>0.3)) continue; // allagi-dokini 3/6
+ // if((TMath::Abs(dcaToVertexXYpos)>0.4)||(dcaToVertexZpos>2.5)) continue; // allagi 23Jul11
+ if((TMath::Abs(dcaToVertexXYpos)>0.3)||(TMath::Abs(dcaToVertexZpos)>2.5)) continue; // allagi 23Jul11
+
+// track Mult. after selection
+ nESDTracK++;
+ //
+//=========================================
+ fHistPtESD->Fill(track->Pt());
+
+ // Add Kink analysis =============================
+
+ Int_t indexKinkPos=track->GetKinkIndex(0);
+// loop on kinks
+ if(indexKinkPos<0){ ////mother kink
+ fPtKink->Fill(track->Pt()); /// pt from track
+
+ // select kink class
+
+ AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkPos)-1);
+//
+ // DCA kink
+ Double_t Dist2 = kink->GetDistance();
+ fDCAkink->Fill( Dist2 );
+//
+
+
+ const TVector3 vposKink(kink->GetPosition());
+ fPosiKink ->Fill( vposKink[0], vposKink[1] );
+// Double_t lengthK = TMath::Sqrt( vposKink[0]*vposKink[0] + vposKink[1]*vposKink[1] + vposKink[2]*vposKink[2] ) ;
+ // Double_t dxKink = vpos[0]-vposKink[0], dyKink=vpos[1]-vposKink[1], dzKink=vpos[2]-vposKink[2];
+ Double_t dzKink=vpos[2]-vposKink[2];
+ // Double_t lifeKink= TMath::Sqrt( dxKink*dxKink + dyKink*dyKink + dzKink*dzKink ) ;
+//
+ Double_t tanLamda = track->GetTgl(); // 25/6/2010
+
+ Double_t lifeKink= (TMath::Abs( dzKink ))*( TMath::Sqrt(1.+ tanLamda*tanLamda) ) / (TMath::Abs( tanLamda)) ;
+
+ const TVector3 motherMfromKink(kink->GetMotherP());
+ const TVector3 daughterMKink(kink->GetDaughterP());
+
+ Float_t qT=kink->GetQt();
+ Float_t motherPt=motherMfromKink.Pt();
+ // Float_t etaMother=motherMfromKink.Eta();
+
+ fHistQtAll->Fill(qT) ; // Qt distr
+
+ fptKink->Fill(motherMfromKink.Pt()); /// pt from kink
+
+ Float_t kinkAngle=TMath::RadToDeg()*kink->GetAngle(2);
+
+ if( (TMath::Abs(rapiditK )) > 0.7 ) continue;
+ if ( (track->Pt())<.250)continue;
+
+ fQtMothP->Fill( track->P(), qT);
+
+ 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
+
+// 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.);
+ if( (kinkAngle<2.) ) continue;
+
+
+ // BG ?????==============
+ if ( TMath::Abs(vposKink[2]) > 225. ) continue ;
+ if ( TMath::Abs(vposKink[2]) < 0.5 ) continue ;
+// if(( vposKink[2] >0. )&& (vposKink[2]< 5.) ) continue;
+//
+ fKinkKaonBg->Fill(motherPt);
+ 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);
+ Float_t p1XM= motherMfromKink.Px();
+ Float_t p1YM= motherMfromKink.Py();
+ Float_t p1ZM= motherMfromKink.Pz();
+ Float_t p2XM= daughterMKink.Px();
+ Float_t p2YM= daughterMKink.Py();
+ Float_t p2ZM= daughterMKink.Pz();
+ Float_t p3Daughter=TMath::Sqrt(((p1XM-p2XM)*(p1XM-p2XM))+((p1YM-p2YM)*(p1YM-p2YM))+((p1ZM-p2ZM)*(p1ZM-p2ZM)));
+ Double_t invariantMassKmu= TMath::Sqrt((energyDaughterMu+p3Daughter)*(energyDaughterMu+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag());
+ fQtInvM -> Fill ( invariantMassKmu, qT);
+ fInvMuNuAll->Fill(invariantMassKmu);
+ // Float_t ptKink=TMath::Sqrt(p1XM*p1XM + p1YM*p1YM);
+
+ if( ( kink->GetR()> 120 ) && ( kink->GetR() < 210 ) ) {
+ 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) ) ) ;
+ }
+ // fPosiKinKBg->Fill( vposKink[2], kink->GetR() );
+ if( ( tpcNCl<30) ) continue;
+ if( ( ( track->GetTPCclusters(0) ) / (kink->GetR() ) ) > 0.63 ) continue;
+ if( ( ( track->GetTPCclusters(0) ) / (kink->GetR() ) ) < 0.20 ) continue;
+
+//
+ fHistPtKPDG->Fill(track->Pt()); // ALL KAONS (pdg) inside ESD kink sample
+//if((kinkAngle>maxDecAngpimu)&&(qT>0.04)&&(qT<0.30)&&((kink->GetR()>120.)&&(kink->GetR()<200.))&&(TMath::Abs(trackEta)<0.9)&&(invariantMassKmu<0.6)) {
+ // if((kinkAngle>maxDecAngpimu)&&(qT>0.04)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=200.))&&(TMath::Abs(etaMother)<0.9)&&(invariantMassKmu<0.6)){
+ if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.6)){
+ // 16/10 if((kinkAngle>maxDecAngpimu)&&(qT>0.04)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.6)){
+// if((kinkAngle>maxDecAngpimu)&&(qT>0.04)&&(qT<0.30)&&((kink->GetR()>=133.)&&(kink->GetR()<=179.))&&(TMath::Abs(rapiditK)<0.5)&&(invariantMassKmu<0.6)){ // STAR
+
+ if( (kinkAngle<maxDecAngpimu*1.2) ) continue;
+ if ( (kinkAngle>maxDecAngKmu*.98) && ( track->P() >1.2 )) continue; ///5/5/2010
+
+/*
+*/
+
+ fTPCSgnlPa->Fill( trMoment ,(track->GetTPCsignal() ) ) ;
+ if ( nsigma > 3.5) continue;
+ 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
+ frad->Fill(kink->GetR()); // kink
+ fradLK->Fill(lifeKink ); // kink
+ fHistEtaK->Fill(trackEta);
+ frapiKESD ->Fill(rapiditK); // rapidityof kaons
+ fPosiKinKBg->Fill( vposKink[2], kink->GetR() );
+
+ Float_t signPt= tpcSign*trackPt;
+ fSignPtNcl->Fill( signPt , tpcNCl ); /// 28/4/2010
+ fSignPtEta->Fill( signPt , rapiditK );
+ fEtaNcl->Fill( rapiditK, tpcNCl );
+ fSignPt->Fill( signPt );
+ fChi2NclTPC->Fill( (track->GetTPCchi2() ) , tpcNCl );
+ fRatChi2Ncl-> Fill ( (track->GetTPCchi2()/track->GetTPCclusters(0) )) ;
+ fdcatoVxXY->Fill(dcaToVertexXYpos);
+ fKinkMothDau->Fill(track->P(),daughterMKink.Mag());
+ fTPCSgnlP->Fill(track->P(), (track->GetTPCsignal() ) ) ;
+ flifetime->Fill(( lifeKink*.493667 ) /track->P() ) ;
+ fKinkKaon->Fill(track->Pt());
+
+ fKinKRbn->Fill(track->Pt());
+ fptKMC ->Fill( track->Pt() );
+ fradPtRpDt->Fill( kink->GetR(), 1./track->Pt(), rapiditK);
+ fAngMomK->Fill( track->P(), kinkAngle);
+ fPosiKinkK->Fill( vposKink[0], vposKink[1] );
+ fPosiKinKXZ->Fill( vposKink[2], vposKink[0] );
+ fPosiKinKYZ->Fill( vposKink[2], vposKink[1] );
+
+ } // kink selection
+
+
+ } //End Kink Information
+
+
+ } //track loop
+
+ // fMultiplMC->Fill(nESDTracK );
+
+ PostData(1, fListOfHistos);
+
+}
+
+//________________________________________________________________________
+void AliAnalysisKinkESDat::Terminate(Option_t *)
+{
+ // Draw result to the screen
+ // Called once at the end of the query
+
+}
+
+//____________________________________________________________________//
+
+
+const AliESDVertex* AliAnalysisKinkESDat::GetEventVertex(const AliESDEvent* esd) const
+ // Get the vertex from the ESD and returns it if the vertex is valid
+
+{
+ // Get the vertex
+
+// 24/3 const AliESDVertex* vertex = esd->GetPrimaryVertex();
+ 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;
+ }
+}
\ No newline at end of file
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff