--- /dev/null
+/**************************************************************************
+ * Authors: Martha Spyropoulou-Stassinaki and the members
+ * of the Greek group at Physics Department of Athens University
+ * Paraskevi Ganoti and Anastasia Belogianni
+ **************************************************************************/
+//-----------------------------------------------------------------
+// AliAnalysisKinkESDatION class
+// Example of an analysis task for kink topology study in Pb-Pb collisions
+// 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 "AliAnalysisKinkESDatION.h"
+#include "AliStack.h"
+#include "AliESDpid.h"
+#include "AliPID.h"
+#include "AliESDkink.h"
+#include "AliESDtrack.h"
+#include "AliPhysicsSelectionTask.h"
+#include "AliInputEventHandler.h"
+#include "AliESDInputHandler.h"
+#include "AliAnalysisManager.h"
+#include "AliVEvent.h"
+#include "AliESDtrackCuts.h"
+#include "AliCentrality.h"
+#include "AliPIDResponse.h"
+// #include "AliTPCpidESD.h"
+
+ClassImp(AliAnalysisKinkESDatION)
+
+
+//________________________________________________________________________
+AliAnalysisKinkESDatION::AliAnalysisKinkESDatION(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),frad(0),
+ fKinkKaon(0),fKinKRbn(0), fKinkKaonBg(0), fM1kaon(0), fPtKink(0), fptKink(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), 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), fQtMothP(0),
+ fKinkKPt05(0), fKinkKPt510(0), fKinkKPt1020(0), fKinkKPt2030(0), fKinkKPt3040(0),
+ fKinkKPt4050(0), fKinkKPt5060(0), fKinkKPt6070(0), fKinkKPt7080(0), fKinkKPt8090(0),
+ fKinkMul05(0), fKinkMul510(0), fKinkMul1020(0), fKinkMul2030(0), fKinkMul3040(0),
+ fKinkMul4050(0), fKinkMul5060(0), fKinkMul6070(0), fKinkMul7080(0), fKinkMul8090(0),
+ fRadiusNclAll(0), fRadiusNclK(0), fRadiusNclClean(0), fRatioCrossedRows(0),fRatioCrossedRowsKink(0),
+ f1(0), f2(0),
+ fListOfHistos(0) ,fMaxDCAtoVtxCut(0), fPIDResponse(0)
+
+{
+ // Constructor
+
+ // Define input and output slots here
+ // Input slot #0 works with a TChain
+ // DefineInput(0, TChain::Class());
+ DefineOutput(1, TList::Class());
+}
+
+//________________________________________________________________________
+void AliAnalysisKinkESDatION::UserCreateOutputObjects()
+{
+ // Create histograms
+ // Called once
+
+ fMaxDCAtoVtxCut=new AliESDtrackCuts("fMaxDCA", "fMaxDCA");
+ fMaxDCAtoVtxCut->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
+ fMaxDCAtoVtxCut->SetMaxChi2TPCConstrainedGlobal(36);
+
+ 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 };
+ Double_t gPtK0[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
+
+ 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,
+ 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, 4.2, 4.4, 4.6, 4.8,5.0 };// TOF Barbara
+
+ fHistPtESD = new TH1F("fHistPtESD", "P_{T} distribution",100, 0.0,10.0);
+ //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",100, 0.0,10.0);
+ 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",150, 0.0,15.0);
+ fHistPtKPDG = new TH1F("fHistPtKPDG", "P_{T}Kaon distribution",150, 0.0,15.0);
+ 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, 0.5,4000.5);
+ fESDMult= new TH1F("fESDMult", "charge multipliESD", 100, 0.5,4000.5);
+ frad= new TH1F("frad", "radius K generated",100, 0.,1000.0);
+ fKinkKaon= new TH1F("fKinkKaon", "P_{T}Kaon kinks identi",150, 0.0,15.0);
+ fKinKRbn= new TH1F("fKinKRbn", "p_{t}Kaon kinks identi[GeV/c],Entries",44,gPtK0);
+ fKinkKaonBg= new TH1F("fKinkKaonBg", "P_{T}Kaon kinks backgr",150, 0.0,15.0);
+ fM1kaon= new TH1F("fM1kaon","Invar m(kaon) from kink->mu+netrino decay",80,0.0, 0.8);
+ fPtKink= new TH1F("fPtKink", "P_{T}Kaon Kink bution",150, 0.0,15.0);
+ fptKink= new TH1F("fptKink", "P_{T}Kaon Kink bution", 42, gPt7 );
+ fAngMomK= new TH2F("fAngMomK","Decay angle vrs Mother Mom,K",100,0.0,10.0,80,0.,80.);
+ fAngMomPi= new TH2F("fAngMomPi","Decay angle vrs Mother Mom,Pi",100,0.0,10.0,80,0.,80.);
+ fAngMomKC= new TH2F("fAngMomKC","Decay angle vrs Mother Mom,K",100,0.0,10.0,80,0.,80.);
+ fMultESDK=new TH1F("fMultESDK", "charge multipliESD kaons",100, 0.5,4000.5);
+ fMultMCK=new TH1F("fMultMCK", "charge multipli MC kaons",100, 0.5,4000.5);
+ fSignPtNcl= new TH2F("fSignPtNcl","SignPt vrs Ncl,K",100,-5.,5.0,90,0.,180.);
+ fSignPtEta= new TH2F("fSignPtEta","SignPt vrs Eta,K",100,-5.0,5.0,30,-.75,.75);
+ fEtaNcl= new TH2F("fEtaNcl","Eta vrs nclust,K",30,-.75,.75, 90,0, 180);
+ fSignPt= new TH1F("fSignPt","SignPt ,K",100,-5.0,5.0);
+ fChi2NclTPC= new TH2F("fChi2NclTPC","Chi2vrs nclust,K",100,0.,500., 90,0, 180);
+ fRatChi2Ncl= new TH1F("fRatChi2Ncl","Ratio chi2/nclusters in TPC,K",50,0.0,5.0);
+ fRadiusNcl = new TH2F("fRadiusNcl","kink radius vrs Nclust, Dau",75,100.,250., 90,0, 180);
+ fTPCSgnlP = new TH2F("fTPCSgnlP","TPC signal de/dx Mom,K",200,0.0,20.0,100,0.,300.);
+ fTPCSgnlPa= new TH2F("fTPCSgnlPa","TPC signal de/dx Mom,K",200,0.0,20.,100, 0.,300.);
+ fRpr = new TH1D("fRpr", "rad distribution PID pr",50,0.0, 2.5);
+ fZpr = new TH1D("fZpr", "z distribution PID pr ",80,-20.,20.);
+ fdcatoVxXY = new TH1D("fdcatoVxXY", "dca distribution PID ",80,-4.,4.);
+ 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", 46, gPt7TOF);
+ fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",150, 0.0,15.0);
+ fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",150, 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", "perscentile in Pb-Pb10",100,0,100);
+ 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.);
+ fQtMothP = new TH2F("fQtMothP", " Qt vrs Mother P", 100, 0., 5.0,100, 0.,0.300);
+ fKinkKPt05 = new TH1F("fKinkKPt05", "P_{T}Kaon kinks identi centra0",150, 0, 15. );
+ fKinkKPt510 = new TH1F("fKinkKPt510", "P_{T}Kaon kinks identi central5",150, 0, 15. );
+ fKinkKPt1020 = new TH1F("fKinkKPt1020", "P_{T}Kaon kinks identi centra10",150, 0., 15.0 );
+ fKinkKPt2030 = new TH1F("fKinkKPt2030", "P_{T}Kaon kinks identi centra20", 150, 0., 15.0 );
+ fKinkKPt3040 = new TH1F("fKinkKPt3040", "P_{T}Kaon kinks identi centra30",150, 0., 15.0 );
+ fKinkKPt4050 = new TH1F("fKinkKPt4050", "P_{T}Kaon kinks identi centra40",150, 0., 15.0 );
+ fKinkKPt5060 = new TH1F("fKinkKPt5060", "P_{T}Kaon kinks identi centra50",150, 0., 15.0 );
+ fKinkKPt6070 = new TH1F("fKinkKPt6070", "P_{T}Kaon kinks identi centra60",150, 0., 15.0 );
+ fKinkKPt7080 = new TH1F("fKinkKPt7080", "P_{T}Kaon kinks identi centra70",150, 0., 15.0 );
+ fKinkKPt8090 = new TH1F("fKinkKPt8090", "P_{T}Kaon kinks identi centra80",150, 0., 15.0 );
+ fKinkMul05 = new TH1F("fKinkMul05", "charge Multipl kink-Kaons centr05",100, 2000.5, 12000.5 );
+ fKinkMul510 = new TH1F("fKinkMul510","charge Multipl kink-Kaons centr0510",100, 2000.5,12000.5 );
+ fKinkMul1020 = new TH1F("fKinkMul1020", "charge Multipl kink-Kaons centr1020",100, 0.5, 10000.5 );
+ fKinkMul2030 = new TH1F("fKinkMul2030", " charge Multipl kink-Kaons centr1020",100, 2000.5, 7000.5);
+ fKinkMul3040 = new TH1F("fKinkMul3040", "charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fKinkMul4050 = new TH1F("fKinkMul4050", "charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fKinkMul5060 = new TH1F("fKinkMul5060", " charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fKinkMul6070 = new TH1F("fKinkMul6070", "charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fKinkMul7080 = new TH1F("fKinkMul7080", "charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fKinkMul8090 = new TH1F("fKinkMul8090", "charge Multipl kink-Kaons centr1020",100, 0.5, 5000.5 );
+ fRadiusNclAll = new TH2F("fRadiusNclAll","kink radius vrs Nclust,K",75,100.,250., 90,0, 180);
+ fRadiusNclK = new TH2F("fRadiusNclK","kink radius vrs Nclust,K",75,100.,250., 90,0, 180);
+ fRadiusNclClean = new TH2F("fRadiusNclClean","kink radius vrs Nclust,K",75,100.,250., 90,0, 180);
+fRatioCrossedRows = new TH1F("fRatioCrossedRows","Ratio crossed rows in TPC",20,0.0,1.0);
+ fRatioCrossedRowsKink = new TH1F("fRatioCrossedRowsKink","Ratio crossed rows in TPC for kinks",20,0.0,1.0);
+
+
+ fListOfHistos=new TList();
+ fListOfHistos->SetOwner();
+
+ 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(frad);
+ fListOfHistos->Add(fKinkKaon);
+ fListOfHistos->Add(fKinKRbn);
+ fListOfHistos->Add(fKinkKaonBg);
+ fListOfHistos->Add(fM1kaon);
+ fListOfHistos->Add(fPtKink);
+ fListOfHistos->Add(fptKink);
+ 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(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(fQtMothP);
+ fListOfHistos->Add(fKinkKPt05);
+ fListOfHistos->Add(fKinkKPt510);
+ fListOfHistos->Add(fKinkKPt1020);
+ fListOfHistos->Add(fKinkKPt2030);
+ fListOfHistos->Add(fKinkKPt3040);
+ fListOfHistos->Add(fKinkKPt4050);
+ fListOfHistos->Add(fKinkKPt5060);
+ fListOfHistos->Add(fKinkKPt6070);
+ fListOfHistos->Add(fKinkKPt7080);
+ fListOfHistos->Add(fKinkKPt8090);
+ fListOfHistos->Add(fKinkMul05);
+ fListOfHistos->Add(fKinkMul510);
+ fListOfHistos->Add(fKinkMul1020);
+ fListOfHistos->Add(fKinkMul2030);
+ fListOfHistos->Add(fKinkMul3040);
+ fListOfHistos->Add(fKinkMul4050);
+ fListOfHistos->Add(fKinkMul5060);
+ fListOfHistos->Add(fKinkMul6070);
+ fListOfHistos->Add(fKinkMul7080);
+ fListOfHistos->Add(fKinkMul8090);
+ fListOfHistos->Add(fRadiusNclAll);
+ fListOfHistos->Add(fRadiusNclK);
+ fListOfHistos->Add(fRadiusNclClean);
+ fListOfHistos->Add(fRatioCrossedRows);
+ fListOfHistos->Add(fRatioCrossedRowsKink);
+
+
+ PostData(1, fListOfHistos);
+}
+
+//________________________________________________________________________
+void AliAnalysisKinkESDatION::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;
+ }
+
+//
+ fMultMCK->Fill(esd->GetNumberOfTracks());
+//
+///*
+// ==================check of Physics selection?
+ Bool_t isSelected =
+// ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected()&AliVEvent::kMB;
+((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected()&AliVEvent::kCentral;// 10/3/14
+
+ if ( isSelected ==kFALSE) return; //
+
+ Int_t nESDTracks = esd->GetNumberOfTracks();
+ fMultiplMC->Fill(nESDTracks);
+//*/
+//
+
+ AliCentrality *esdCentrality = esd->GetCentrality();
+//
+
+//
+
+ Float_t percent= esdCentrality->GetCentralityPercentile("V0M");
+// Printf("percentntile:%i", percent);
+ fradLK->Fill(percent ); //
+ if ( percent >= .0 && percent < 5.) fKinkMul05 -> Fill ( nESDTracks ); // percent 0-5
+ if ( percent >= 5. && percent < 10.) fKinkMul510->Fill( nESDTracks ); // percent 5-10
+ if ( percent >= 10. && percent < 20.) fKinkMul1020->Fill( nESDTracks ); // percent 10-20
+ if ( percent >= 20. && percent < 30.) fKinkMul2030->Fill( nESDTracks ); // percent 20-30
+ if ( percent >= 30. && percent < 40.) fKinkMul3040->Fill( nESDTracks ); // percent 30-40
+ if ( percent >= 40. && percent < 50.) fKinkMul4050->Fill( nESDTracks ); // percent 40-50
+ if ( percent >= 50. && percent < 60.) fKinkMul5060->Fill( nESDTracks ); // percent 50-60
+ if ( percent >= 60. && percent < 70.) fKinkMul6070->Fill( nESDTracks ); // percent 60-70
+ if ( percent >= 70. && percent < 80.) fKinkMul7080->Fill( nESDTracks ); // percent 70-80
+ if ( percent >= 80. && percent < 90.) fKinkMul8090->Fill( nESDTracks ); // percent 80-90
+
+// if ( centrality >=0 ) fMultESDK->Fill( percent);
+
+//
+
+ const AliESDVertex *vertex=GetEventVertex(esd); // 22/8
+ if(!vertex) return;
+//
+ Double_t vpos[3];
+ vertex->GetXYZ(vpos);
+ fZpr->Fill(vpos[2]);
+ if (TMath::Abs( vpos[2] ) > 10. ) return; // main vertex selection
+
+
+
+ Double_t vtrack[3], ptrack[3];
+
+
+ // Int_t nESDTracK = 0;
+
+ Int_t nGoodTracks = esd->GetNumberOfTracks();
+ fESDMult->Fill(nGoodTracks);
+//================================================================
+// apo Eftihi
+ if(!fPIDResponse) {
+ AliAnalysisManager *man = AliAnalysisManager::GetAnalysisManager();
+ AliInputEventHandler* inputHandler =
+(AliInputEventHandler*)(man->GetInputEventHandler());
+ fPIDResponse = inputHandler->GetPIDResponse();
+ }
+
+ Double_t nsigmall = 100.0;
+ Double_t nsigma = 100.0;
+ // Double_t nsigmaPion =-100.0;
+// Double_t nsigmaPi=-100.0;
+
+//
+ Float_t nprimTrk =0.;
+// 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());
+
+
+ // edw ypologizontai ta sigmas
+ // nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+
+
+
+// sigmas
+ nsigmall = (fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
+// nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+ // nsigmall = (fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
+ nsigma = TMath::Abs(fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
+
+//==================================
+ Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
+ Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
+ if (track->GetTPCNclsF()>0) {
+ ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / track->GetTPCNclsF();
+ fRatioCrossedRows->Fill(ratioCrossedRowsOverFindableClustersTPC);
+ }
+
+ fHistPt->Fill(track->Pt());
+
+
+
+ // Int_t tpcNClMoth = track->GetTPCclustersIter1(0); // 28/4/2010
+ Int_t tpcNCl = track->GetTPCclusters(0); // 25/1/2010
+ Double_t tpcSign = track->GetSign(); // 25/1/2010
+
+ 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))>4.0) continue; //
+
+ Double_t extCovPos[15];
+ track->GetExternalCovariance(extCovPos);
+
+
+ track->GetXYZ(vtrack);
+ fXvYv->Fill(vtrack[0],vtrack[1]);
+ fZvYv->Fill(vtrack[0],vtrack[2]);
+ fZvXv->Fill(vtrack[1],vtrack[2]);
+
+// track momentum
+ track->GetPxPyPz(ptrack);
+
+ TVector3 trackMom(ptrack[0],ptrack[1],ptrack[2]);
+
+ Double_t etracK= TMath::Sqrt(trackMom.Mag()*trackMom.Mag() + 0.493677 *0.493677 ); // kaon energy
+ Double_t rapiditK = 0.5 * (TMath::Log( (etracK + ptrack[2] ) / ( etracK - ptrack[2]) )) ; // kaon rapidity
+
+ 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);
+ fRpr ->Fill(dcaToVertexXYpos);
+ // === if((dcaToVertexXYpos>0.3)||(dcaToVertexZpos>2.5)) continue; // allagi-dokini 3/6
+
+ if (!fMaxDCAtoVtxCut->AcceptTrack(track)) continue;
+
+
+// count nprimTrk ????
+
+ nprimTrk++ ;
+//
+ // cut on eta
+ // xwris tea cut 25/3 if( (TMath::Abs(trackEta )) > 0.9 ) continue;
+
+ fHistPtESD->Fill(track->Pt());
+
+ // Add Kink analysis
+
+ Int_t indexKinkPos=track->GetKinkIndex(0);
+
+ if ( indexKinkPos >0 ) fHistPtESD->Fill(track->Pt());
+// 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);
+ fRatioCrossedRowsKink->Fill(ratioCrossedRowsOverFindableClustersTPC);
+
+//
+ // DCA kink
+ Double_t Dist2 = kink->GetDistance();
+ fDCAkink->Fill( Dist2 );
+//
+ Int_t ESDLabeld = kink->GetLabel(1);
+//
+
+
+ const TVector3 vposKink(kink->GetPosition());
+ fPosiKink ->Fill( vposKink[0], vposKink[1] );
+
+// 24/3
+// if ( vposKink[2] < -160. ) continue; // cut for background
+//
+// 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) ) / tanLamda ;
+ 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);
+
+// Rapidity Cut
+ // if( (TMath::Abs(etaMother)) > 0.9 ) continue;
+ if( (TMath::Abs(rapiditK )) > 0.5 ) continue;
+// Pt cut
+ if ( (track->Pt())<.200)continue;
+
+// fake kinks, small Qt and small kink angle
+ fQtMothP->Fill( track->P(), qT);
+
+// if(qT<0.012) continue; // remove fake kinks
+ if ( qT> 0.04) fHistQt1 ->Fill(qT) ; // Qt distr , without pions and BG
+
+
+ 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(track->P() ,0.,0.,0.);
+ Double_t maxDecAngpimu=f2->Eval( track->P(), 0.,0.,0.);
+//
+// 31/1/010 if( motherMfromKink.Mag() < daughterMKink.Mag() ) continue;
+//remove the double taracks
+ // 28/4/2010 if( (kinkAngle<1.) ) continue;
+ if( (kinkAngle<2.) ) continue;
+ // if(qT<0.012) continue; // remove fake kinks
+ // BG ?????==============
+ if ( TMath::Abs(vposKink[2]) > 225. ) continue ;
+ // if ( TMath::Abs(vposKink[2]) < 0.5 ) continue ;
+
+ fKinkKaonBg->Fill(track->Pt());
+ fAngMomPi->Fill( track->P(), kinkAngle);
+ // fRadiusNclAll->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
+ // 2/12 test fRadiusNclAll->Fill( (kink->GetR()) ,(track->GetNcls(1) ) ) ;
+//
+// 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()> 110 ) && ( kink->GetR() < 220 ) ) {
+ if (qT>0.04) fAngMomKC->Fill(track->P(), kinkAngle);
+ // 2/10 if (qT>0.12) fAngMomKC->Fill(track->P(), kinkAngle);
+ if ( qT>0.04) fM1kaon->Fill(invariantMassKmu);
+ // if ( qT > 0.12)
+ if ( qT > 0.04)
+ fRadiusNclAll->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ; // mother's clusters
+ // fRadiusNcl->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
+// try for daughters ncl
+ if ( label = ESDLabeld ) fRadiusNcl->Fill( (kink->GetR()) ,(track->GetNcls(1) ) ); // Dau's clusters;
+ }
+ if( ( tpcNCl<20) ) continue;
+ Int_t tpcNClHigh = -51.67+ (11./12.) *( kink->GetR() ) ;
+ if ( tpcNCl > tpcNClHigh) continue;
+
+ Int_t tpcNClMin = -85.5 + (65./95.) *( kink->GetR() ) ;
+ if ( tpcNCl < tpcNClMin ) 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
+ fRadiusNclK->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
+
+ //fM1kaon->Fill(invariantMassKmu);
+
+ // frad->Fill(kink->GetR()); // kink
+// kaon selection from kinks
+ // 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()>=110.)&&(kink->GetR()<=220.))&&(TMath::Abs(rapiditK)<0.5)&&(invariantMassKmu<0.8)){
+//-----------------------
+ // 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*1.1) ) continue;
+ if ( (kinkAngle>maxDecAngKmu*.98) && ( track->P() >1.1 )) continue; ///5/5/2010
+ // fAngMomKC->Fill(motherMfromKink.Mag(), kinkAngle);
+
+ // fAngMomKC->Fill(track->P(), kinkAngle);
+
+ // fTPCSgnlPa->Fill( trMoment ,(track->GetTPCsignal() ) ) ;
+ fTPCSgnlPa->Fill( track->GetInnerParam()->GetP() ,(track->GetTPCsignal() ) ) ;
+//
+
+ if ( nsigma > 3.5) continue;
+ // if ( nsigma > 4.0) continue;
+ // fMultESDK->Fill(nGoodTracks);
+ 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
+// percentile centrality
+ if ( percent >= .0 && percent < 5.) fKinkKPt05 -> Fill ( track->Pt() ); // percent 0-5
+ if ( percent >= 5. && percent < 10.) fKinkKPt510->Fill( track->Pt() ); // percent 5-10
+ if ( percent >= 10. && percent < 20.) fKinkKPt1020->Fill( track->Pt() ); // percent 10-20
+ if ( percent >= 20. && percent < 30.) fKinkKPt2030->Fill( track->Pt() ); // percent 20-30
+ if ( percent >= 30. && percent < 40.) fKinkKPt3040->Fill( track->Pt() ); // percent 30-40
+ if ( percent >= 40. && percent < 50.) fKinkKPt4050->Fill( track->Pt() ); // percent 40-50
+ if ( percent >= 50. && percent < 60.) fKinkKPt5060->Fill( track->Pt() ); // percent 50-60
+ if ( percent >= 60. && percent < 70.) fKinkKPt6070->Fill( track->Pt() ); // percent 60-70
+ if ( percent >= 70. && percent < 80.) fKinkKPt7080->Fill( track->Pt() ); // percent 70-80
+ if ( percent >= 80. && percent < 90.) fKinkKPt8090->Fill( track->Pt() ); // percent 80-90
+//
+ frad->Fill(kink->GetR()); // kink
+ //frad->Fill(lengthK ); // kink
+ // fradLK->Fill(lifeKink ); // kink
+ fHistEtaK->Fill(trackEta);
+ frapiKESD ->Fill(rapiditK); // rapidityof kaons
+
+ Float_t signPt= tpcSign*trackPt;
+ //fSignPtNcl->Fill( signPt , tpcNCl );
+ 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);
+ //if( ( (trMoment<0.4)&&(track->GetTPCsignal()<60) )||( (trMoment<0.6 )&&(track->GetTPCsignal()<50 )) )
+ // fRadiusNcl->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
+ // if( ( (trMoment<0.4)&&(track->GetTPCsignal()<60) )||( (trMoment<0.6 )&&(track->GetTPCsignal()<50 )) )
+ fKinkMothDau->Fill(track->P(),daughterMKink.Mag());
+ // fEtaNcl->Fill( trackEta, tpcNCl );
+ // Double_t tpcdedx=100000.* TMath::Abs( track->GetTPCsignal());
+ // fTPCSgnlP->Fill( track->P() ,tpcdedx ) ;
+ // fTPCSgnlP->Fill(track->P(), (track->GetTPCsignal() ) ) ;
+ fTPCSgnlP->Fill(track->GetInnerParam()->GetP(), (track->GetTPCsignal() ) ) ;
+ fRadiusNclClean ->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
+//
+ flifetime->Fill(( lifeKink*.493667 ) /track->P() ) ;
+ // 15/7 flifetime->Fill(( lifeKink*.493667 ) /track->Pt() ) ;
+//
+ 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[0], vposKink[2] );
+ fPosiKinKYZ->Fill( vposKink[1], vposKink[2] );
+
+ } // kink selection
+
+
+ } //End Kink Information
+
+
+ } //track loop
+ // fMultESDK->Fill(nprimTrk);
+
+// } // close persent 11 may 2011
+
+ PostData(1, fListOfHistos);
+
+}
+
+//________________________________________________________________________
+void AliAnalysisKinkESDatION::Terminate(Option_t *)
+{
+ // Draw result to the screen
+ // Called once at the end of the query
+
+}
+//*
+
+const AliESDVertex* AliAnalysisKinkESDatION::GetEventVertex(const AliESDEvent* esd) const
+ // Get the vertex from the ESD and returns it if the vertex is valid
+
+{
+ // Get the vertex
+
+// const AliESDVertex* vertex = esd->GetPrimaryVertex();
+ const AliESDVertex* vertex = esd->GetPrimaryVertexTracks();
+
+ if((vertex->GetStatus()==kTRUE)) return vertex;
+ else
+ {
+ vertex = esd->GetPrimaryVertexSPD();
+ if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>0)) return vertex;
+ else
+ return 0;
+ }
+}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff