/************************************************************************** * 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 #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(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( (kinkAnglemaxDecAngKmu*.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; } }