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1 | /************************************************************************** |
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2 | * Authors: Martha Spyropoulou-Stassinaki and the members * |
| 3 | * of the Greek group at Physics Department of Athens University * |
| 4 | * Paraskevi Ganoti, Anastasia Belogianni and Filimon Roukoutakis. * |
| 5 | * The method is applied in pp and Pb-Pb real data. * |
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6 | * * |
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7 | **************************************************************************/ |
| 8 | |
| 9 | //----------------------------------------------------------------- |
| 10 | // AliAnalysisKinkESDat class |
| 11 | // Example of an analysis task for kink topology study |
| 12 | // Kaons from kink topology are 'identified' in this code |
| 13 | //----------------------------------------------------------------- |
| 14 | |
| 15 | #include "TChain.h" |
| 16 | #include "TTree.h" |
| 17 | #include "TH1F.h" |
| 18 | #include "TH2F.h" |
| 19 | #include "TH3F.h" |
| 20 | #include "TH1D.h" |
| 21 | #include "TH2D.h" |
| 22 | #include "TParticle.h" |
| 23 | #include <TVector3.h> |
| 24 | #include "TF1.h" |
| 25 | |
| 26 | #include "AliAnalysisTask.h" |
| 27 | #include "AliAnalysisManager.h" |
| 28 | |
| 29 | #include "AliVEvent.h" |
| 30 | #include "AliESDEvent.h" |
| 31 | #include "AliMCEvent.h" |
| 32 | #include "AliAnalysisKinkESDat.h" |
| 33 | #include "AliStack.h" |
| 34 | #include "AliESDpid.h" |
| 35 | #include "AliPID.h" |
| 36 | #include "AliESDkink.h" |
| 37 | #include "AliESDtrack.h" |
| 38 | #include "AliPhysicsSelectionTask.h" |
| 39 | #include "AliInputEventHandler.h" |
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40 | #include "AliESDInputHandler.h" |
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41 | #include "AliAnalysisManager.h" |
| 42 | #include "AliVEvent.h" |
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43 | #include "AliESDtrackCuts.h" |
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44 | #include "AliPIDResponse.h" |
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45 | /////////#include "AliTENDERSupplies.h" |
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46 | ClassImp(AliAnalysisKinkESDat) |
| 47 | |
| 48 | |
| 49 | //________________________________________________________________________ |
| 50 | AliAnalysisKinkESDat::AliAnalysisKinkESDat(const char *name) |
| 51 | : AliAnalysisTaskSE(name), fHistPtESD(0),fHistPt(0),fHistQtAll(0),fHistQt1(0),fHistQt2(0) |
| 52 | , fHistPtKaon(0),fHistPtKPDG(0),fHistEta(0),fHistEtaK(0),fptKMC(0),fMultiplMC(0),fESDMult(0),fgenpt(0),frad(0), |
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53 | fKinkKaon(0),fKinKRbn(0), fKinkKaonBg(0), fM1kaon(0), fPtKink(0), fptKink(0), |
| 54 | fAngMomK(0),fAngMomPi(0), fAngMomKC(0), fMultESDK(0), fMultMCK(0), |
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55 | fSignPtNcl(0), fSignPtEta(0), fEtaNcl(0), fSignPt(0), fChi2NclTPC(0), fRatChi2Ncl(0), fRadiusNcl(0), fTPCSgnlP(0), |
| 56 | fTPCSgnlPa(0), fRpr(0),fZpr(0), fdcatoVxXY(0), fnSigmToVx(0), fKinkMothDau(0), |
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57 | fZvXv(0),fZvYv(0), fXvYv(0), fHistPtKaoP(0), fHistPtKaoN(0),frapiKESD(0), flifetime(), fradLK(0), |
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58 | fradPtRpDt(0), fInvMuNuAll(0), fQtInvM(0), |
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59 | fDCAkink(0), fPosiKink(0), fPosiKinkK(0),fPosiKinKXZ(0), fPosiKinKYZ(0), fPosiKinKBg(0), fQtMothP(0), fTPCSgnlPtpc(0), |
| 60 | fTPCMomNSgnl(0), fMothKinkMomSgnl(0), fNSigmTPC(0), fTPCSgnlKinkDau(0), fPtKinkPos(0), fPtKinkNeg(0), fRadNclCln(0), |
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61 | fRatioCrossedRows(0), fRatioCrossedRowsKink(0),fRadiusPt(0), fRadiusPtcln(0), fInvMassMuNuPt(0), fPtCut1(0), fPtCut2(0), fPtCut3(0), |
| 62 | fAngMomKKinks(0), |
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63 | f1(0), f2(0), |
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64 | fListOfHistos(0),fLowMulcut(-1),fUpMulcut(-1),fCutsMul(0), fMaxDCAtoVtxCut(0), fPIDResponse(0) |
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65 | { |
| 66 | // Constructor |
| 67 | |
| 68 | // Define input and output slots here |
| 69 | // Input slot #0 works with a TChain |
| 70 | // DefineInput(0, TChain::Class()); |
| 71 | //----------------------Marek multiplicity bins |
| 72 | fCutsMul=new AliESDtrackCuts("Mul","Mul"); |
| 73 | fCutsMul->SetMinNClustersTPC(70); |
| 74 | fCutsMul->SetMaxChi2PerClusterTPC(4); |
| 75 | fCutsMul->SetAcceptKinkDaughters(kFALSE); |
| 76 | fCutsMul->SetRequireTPCRefit(kTRUE); |
| 77 | // ITS |
| 78 | fCutsMul->SetRequireITSRefit(kTRUE); |
| 79 | fCutsMul->SetClusterRequirementITS(AliESDtrackCuts::kSPD, |
| 80 | AliESDtrackCuts::kAny); |
| 81 | fCutsMul->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01"); |
| 82 | |
| 83 | fCutsMul->SetMaxDCAToVertexZ(2); |
| 84 | fCutsMul->SetDCAToVertex2D(kFALSE); |
| 85 | fCutsMul->SetRequireSigmaToVertex(kFALSE); |
| 86 | |
| 87 | fCutsMul->SetEtaRange(-0.8,+0.8); |
| 88 | fCutsMul->SetPtRange(0.15, 1e10); |
| 89 | |
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90 | fMaxDCAtoVtxCut=new AliESDtrackCuts("fMaxDCA", "fMaxDCA"); |
| 91 | fMaxDCAtoVtxCut->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01"); |
| 92 | fMaxDCAtoVtxCut->SetMaxChi2TPCConstrainedGlobal(36); |
| 93 | // esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01"); |
| 94 | // esdTrackCuts->SetMaxChi2TPCConstrainedGlobal(36); |
| 95 | |
| 96 | |
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97 | |
| 98 | DefineOutput(1, TList::Class()); |
| 99 | } |
| 100 | |
| 101 | //________________________________________________________________________ |
| 102 | void AliAnalysisKinkESDat::UserCreateOutputObjects() |
| 103 | { |
| 104 | // Create histograms |
| 105 | // Called once |
| 106 | |
| 107 | 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); |
| 108 | f1->SetParameter(0,0.493677); |
| 109 | f1->SetParameter(1,0.9127037); |
| 110 | f1->SetParameter(2,TMath::Pi()); |
| 111 | |
| 112 | |
| 113 | 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); |
| 114 | f2->SetParameter(0,0.13957018); |
| 115 | f2->SetParameter(1,0.2731374); |
| 116 | f2->SetParameter(2,TMath::Pi()); |
| 117 | //Open file 1= CAF |
| 118 | //OpenFile(1); |
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119 | 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, |
| 120 | 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0, |
| 121 | 2.2, 2.4, 2.6, 2.8, 3.0, 3.3, 3.6, 3.9, |
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122 | 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 |
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123 | |
| 124 | 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, |
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125 | 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0, |
| 126 | 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7,2.8, 2.9, 3.0, |
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127 | 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4, 4.6, 4.8,5.0 }; // Barbara TOF Kch |
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128 | |
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129 | fHistPtESD = new TH1F("fHistPtESD", "P_{T} distribution",300, 0.0,15.0); |
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130 | fHistPtESD->GetXaxis()->SetTitle("P_{T} (GeV/c)"); |
| 131 | fHistPtESD->GetYaxis()->SetTitle("dN/dP_{T} (c/GeV)"); |
| 132 | fHistPtESD->SetMarkerStyle(kFullCircle); |
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133 | fHistPt = new TH1F("fHistPt", "P_{T} distribution",300, 0.0,15.0); |
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134 | fHistQtAll = new TH1F("fHistQtAll", "Q_{T} distr All Kinks ",100, 0.0,.300); |
| 135 | fHistQt1= new TH1F("fHistQt1", "Q_{T} distribution",100, 0.0,.300); |
| 136 | fHistQt2= new TH1F("fHistQt2", "Q_{T} distribution",100, 0.0,.300); |
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137 | fHistPtKaon = new TH1F("fHistPtKaon", "P_{T}Kaon distribution",300, 0.0,15.0); |
| 138 | fHistPtKPDG = new TH1F("fHistPtKPDG", "P_{T}Kaon distribution",300, 0.0,15.0); |
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139 | fHistEta= new TH1F("fHistEta", "Eta distribution", 26,-1.3, 1.3); |
| 140 | fHistEtaK= new TH1F("fHistEtaK", "EtaK distribution", 26,-1.3, 1.3); |
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141 | fptKMC= new TH1F("fptKMC", "P_{T}Kaon generated",300, 0.0,15.0); |
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142 | fMultiplMC= new TH1F("fMultiplMC", "charge multiplicity MC",100, 0.0,300.0); |
| 143 | fESDMult= new TH1F("fESDMult", "charge multipliESD",100, 0.0,300.0); |
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144 | fgenpt= new TH1F("fgenpt", "genpt K distribution",300, 0.0,15.0); |
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145 | //frad= new TH1F("frad", "radius K generated",100, 50., 250.0); |
| 146 | frad= new TH1F("frad", "radius K generated",100, 0.,1000.0); |
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147 | fKinkKaon= new TH1F("fKinkKaon", "P_{T}Kaon kinks identi",300, 0.0,15.0); |
| 148 | fKinKRbn= new TH1F("fKinKRbn", "p_{t}Kaon kinks identi[GeV/c],Entries",46,gPt7TOF); |
| 149 | fKinkKaonBg= new TH1F("fKinkKaonBg", "P_{T}Kaon kinks backgr",300, 0.0,15.0); |
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150 | fM1kaon= new TH1F("fM1kaon","Invar m(kaon) from kink->mu+netrino decay",180,0.10, 1.0); |
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151 | fPtKink= new TH1F("fPtKink", "P_{T}Kaon Kink distribution, counts",44, gPt7K0); |
| 152 | fptKink= new TH1F("fptKink", "P_{T}Kaon Kink bution",300, 0.0,15.0); |
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153 | fAngMomK= new TH2F("fAngMomK","Decay angle vrs Mother Mom,K",100,0.0,5.0,80,0.,80.); |
| 154 | fAngMomPi= new TH2F("fAngMomPi","Decay angle vrs Mother Mom,Pi",100,0.0,5.0,80,0.,80.); |
| 155 | fAngMomKC= new TH2F("fAngMomKC","Decay angle vrs Mother Mom,K",100,0.0,5.0,80,0.,80.); |
| 156 | fMultESDK=new TH1F("fMultESDK", "charge multipliESD kaons",100, 0.0,100.0); |
| 157 | fMultMCK=new TH1F("fMultMCK", "charge multipli MC kaons",100, 0.0,100.0); |
| 158 | fSignPtNcl= new TH2F("fSignPtNcl","SignPt vrs Ncl,K",80,-4.,4.0,70,20.,160.); |
| 159 | fSignPtEta= new TH2F("fSignPtEta","SignPt vrs Eta,K",80,-4.0,4.0,30,-1.5,1.5); |
| 160 | fEtaNcl= new TH2F("fEtaNcl","Eta vrs nclust,K",30,-1.5,1.5, 70,20, 160); |
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161 | fSignPt= new TH1F("fSignPt","SignPt ,K",80,-4.0,4.0); |
| 162 | fChi2NclTPC= new TH2F("fChi2NclTPC","Chi2vrs nclust,K",100,0.,500., 70,20, 160); |
| 163 | fRatChi2Ncl= new TH1F("fRatChi2Ncl","Ratio chi2/nclusters in TPC,K",50,0.0,5.0); |
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164 | fRadiusNcl = new TH2F("fRadiusNcl","kink radius vrs Nclust,K",75,100.,250., 80,0, 160); |
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165 | fTPCSgnlP = new TH2F("fTPCSgnlP","TPC signal de/dx Mom,K",1000,0.0,20.0,150,0.,300.); |
| 166 | fTPCSgnlPa= new TH2F("fTPCSgnlPa","TPC signal de/dx Mom,K",1000,0.0,20.,150, 0.,300.); |
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167 | fRpr = new TH1D("fRpr", "rad distribution PID pr",100,-10.0, 10.0); |
| 168 | fZpr = new TH1D("fZpr", "z distribution PID pr ",80,-20.,20.); |
| 169 | fdcatoVxXY = new TH1D("fdcatoVxXY", "dca distribution PID ",20,-1.,1.); |
| 170 | fnSigmToVx = new TH1D("fnSigmToVx", "dca distribution PID ",80,0.,8.); |
| 171 | fKinkMothDau= new TH2F("fKinkMothDau","TPC kink Moth Daugh ,K",50,0.0,2.5,50, 0., 2.5); |
| 172 | fZvXv= new TH2F("fZvXv","Xv-Zv main vtx",60,-0.5,0.5,60, -15., 15.0); |
| 173 | fZvYv= new TH2F("fZvYv","Yv-Zv main vtx",60,-0.5,0.5, 60, -15., 15.); |
| 174 | fXvYv= new TH2F("fXvYv","Xv-Yv main vtx", 60,-1.5,1.5, 60, -1.5, 1.5); |
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175 | fHistPtKaoP = new TH1F("fHistPtKaoP", "P_{T}KaonP distribution",300, 0.0,15.0); |
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176 | fHistPtKaoN = new TH1F("fHistPtKaoN", "P_{T}KaonN distribution",300, 0.0,15.0); |
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177 | frapiKESD=new TH1F("frapiKESD","rapid Kdistribution", 26,-1.3, 1.3); |
| 178 | flifetime= new TH1F("flifetime", "ct study of K-kinks",100,0.,1000.); |
| 179 | fradLK= new TH1F("fradLK", "Length of K generated",100,0.,1000.); |
| 180 | fradPtRpDt=new TH3F("fradPtRpDt","rad pt rap dat",28,100.,240., 20, 0., 5., 20, -1., 1. ); |
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181 | fInvMuNuAll= new TH1F("fInvMuNuAll", " Inv Mass MuNu all kink",180,0.1,1.0); |
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182 | fQtInvM= new TH2F("fQtInvM", "Q_{T} Versus Inv MuNu ",80, 0., 0.80 , 100 , 0., 0.300); |
| 183 | fDCAkink = new TH1F("fDCAkink ", "DCA kink vetrex ",50, 0.0,1.0); |
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184 | fPosiKink= new TH2F("fPosiKink", "Y vrx kink Vrex ",100, -300.0,300.0,100, -300, 300.); |
| 185 | fPosiKinkK= new TH2F("fPosiKinkK", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.); |
| 186 | fPosiKinKXZ= new TH2F("fPosiKinKXZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.); |
| 187 | fPosiKinKYZ= new TH2F("fPosiKinKYZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.); |
| 188 | fPosiKinKBg= new TH2F("fPosiKinKBg", "z vrx kink rad ",100, -300.0,300.0,100,100., 300.); |
| 189 | fQtMothP = new TH2F("fQtMothP", " Qt vrs Mother P", 100, 0., 5.0,100, 0.,0.300); |
| ad1036b2 |
190 | fTPCSgnlPtpc = new TH2F("fTPCSgnlPtpc","TPC signal de/dx Mom TPC,K ",300,0.0,15.0,100, 0., 250. ); |
| 191 | fTPCMomNSgnl = new TH2F("fTPCMomNsgnl","TPC signal de/dx Mom TPC,K ",300,0.0,15.0,20 , -10., 10.); |
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192 | fMothKinkMomSgnl = new TH2F("fMothKinkMomSgnl","TPC signal de/dx Mom TPC,Kink ",100,0.0,250.0,100, 0., 250. ); |
| ad1036b2 |
193 | fNSigmTPC = new TH1F("fNSigmTPC","TPC Nsigma de/dx TPC,K ", 30 , -7.5, 7.5); |
| 8e57b720 |
194 | fTPCSgnlKinkDau = new TH2F("fTPCSgnlKinkDau","TPC signal de/dx Mom,K",500,0.0,10.0,100,0.,250.); |
| ad1036b2 |
195 | fPtKinkPos= new TH1F("fPtKinkPos", "Pos P_{T}Kaon Kink distribution, counts",44, gPt7K0); |
| 196 | fPtKinkNeg= new TH1F("fPtKinkNeg", "Neg P_{T}Kaon Kink distribution, counts",44, gPt7K0); |
| 197 | fRadNclCln = new TH2F("fRadNclCln","kink radius vrs Nclust,K Clean ",75,100.,250., 80,0, 160); |
| 8e57b720 |
198 | fRatioCrossedRows = new TH1F("fRatioCrossedRows","Ratio crossed rows in TPC",20,0.0,1.0); |
| 199 | fRatioCrossedRowsKink = new TH1F("fRatioCrossedRowsKink","Ratio crossed rows in TPC for kinks",20,0.0,1.0); |
| 200 | fRadiusPt =new TH2F("fRadiusPt","radius vs pt ",80, 90.,250.,100, 0.,10. ); |
| 201 | fRadiusPtcln =new TH2F("fRadiusPtcln","radius vs pt clean ",80, 90.,250.,100, 0.,10. ); |
| 202 | fInvMassMuNuPt =new TH2F("fInvMassMuNuPt","Invariant mass-munu vs pt ",180, 0.10, 1.00, 100, 0.0, 10.0 ); |
| 203 | fPtCut1 = new TH1F("fPtCut1", "P_{T}Kaon distribution",300, 0.0,15.0); |
| 204 | fPtCut2 = new TH1F("fPtCut2", "P_{T}Kaon distribution",300, 0.0,15.0); |
| 205 | fPtCut3 = new TH1F("fPtCut3", "P_{T}Kaon distribution",300, 0.0,15.0); |
| 206 | fAngMomKKinks = new TH2F("fAngMomKKinks","Decay angle vrs Mother Mom,Kinks",300,0.0,15.0,100,0.,100.); |
| 828a6e0c |
207 | |
| 208 | fListOfHistos=new TList(); |
| 209 | |
| 210 | fListOfHistos->Add(fHistPtESD); |
| 211 | fListOfHistos->Add(fHistPt); |
| 212 | fListOfHistos->Add(fHistQtAll); |
| 213 | fListOfHistos->Add(fHistQt1); |
| 214 | fListOfHistos->Add(fHistQt2); |
| 215 | fListOfHistos->Add(fHistPtKaon); |
| 216 | fListOfHistos->Add(fHistPtKPDG); |
| 217 | fListOfHistos->Add(fHistEta); |
| 218 | fListOfHistos->Add(fHistEtaK); |
| 219 | fListOfHistos->Add(fptKMC); |
| 220 | fListOfHistos->Add(fMultiplMC); |
| 221 | fListOfHistos->Add(fESDMult); |
| 222 | fListOfHistos->Add(fgenpt); |
| 223 | fListOfHistos->Add(frad); |
| 224 | fListOfHistos->Add(fKinkKaon); |
| 225 | fListOfHistos->Add(fKinKRbn); |
| 226 | fListOfHistos->Add(fKinkKaonBg); |
| 227 | fListOfHistos->Add(fM1kaon); |
| 828a6e0c |
228 | fListOfHistos->Add(fPtKink); |
| 229 | fListOfHistos->Add(fptKink); |
| 828a6e0c |
230 | fListOfHistos->Add(fAngMomK); |
| 231 | fListOfHistos->Add(fAngMomPi); |
| 232 | fListOfHistos->Add(fAngMomKC); |
| 233 | fListOfHistos->Add(fMultESDK); |
| 234 | fListOfHistos->Add(fMultMCK); |
| 235 | fListOfHistos->Add(fSignPtNcl); |
| 236 | fListOfHistos->Add(fSignPtEta); |
| 237 | fListOfHistos->Add(fEtaNcl); |
| 238 | fListOfHistos->Add(fSignPt); |
| 239 | fListOfHistos->Add(fChi2NclTPC); |
| 240 | fListOfHistos->Add(fRatChi2Ncl); |
| 241 | fListOfHistos->Add(fRadiusNcl); |
| 242 | fListOfHistos->Add(fTPCSgnlP); |
| 243 | fListOfHistos->Add(fTPCSgnlPa); |
| 244 | fListOfHistos->Add(fRpr); |
| 245 | fListOfHistos->Add(fZpr); |
| 246 | fListOfHistos->Add(fdcatoVxXY); |
| 247 | fListOfHistos->Add(fnSigmToVx); |
| 248 | fListOfHistos->Add(fKinkMothDau); |
| 249 | fListOfHistos->Add(fZvXv); |
| 250 | fListOfHistos->Add(fZvYv); |
| 251 | fListOfHistos->Add(fXvYv); |
| 828a6e0c |
252 | fListOfHistos->Add(fHistPtKaoP); |
| 253 | fListOfHistos->Add(fHistPtKaoN); |
| 254 | fListOfHistos->Add(frapiKESD); |
| 255 | fListOfHistos->Add(flifetime); |
| 256 | fListOfHistos->Add(fradLK); |
| 257 | fListOfHistos->Add(fradPtRpDt); |
| 258 | fListOfHistos->Add(fInvMuNuAll); |
| 259 | fListOfHistos->Add(fQtInvM); |
| 260 | fListOfHistos->Add(fDCAkink); |
| 261 | fListOfHistos->Add(fPosiKink); |
| 262 | fListOfHistos->Add(fPosiKinkK); |
| 263 | fListOfHistos->Add(fPosiKinKXZ); |
| 264 | fListOfHistos->Add(fPosiKinKYZ); |
| 265 | fListOfHistos->Add(fPosiKinKBg); |
| 266 | fListOfHistos->Add(fQtMothP); |
| ad1036b2 |
267 | fListOfHistos->Add(fTPCSgnlPtpc); |
| 268 | fListOfHistos->Add(fTPCMomNSgnl); |
| 269 | fListOfHistos->Add(fMothKinkMomSgnl); |
| 270 | fListOfHistos->Add(fNSigmTPC); |
| 271 | fListOfHistos->Add(fTPCSgnlKinkDau); |
| 272 | fListOfHistos->Add(fPtKinkPos); |
| 273 | fListOfHistos->Add(fPtKinkNeg); |
| 274 | fListOfHistos->Add(fRadNclCln); |
| 8e57b720 |
275 | fListOfHistos->Add(fRatioCrossedRows); |
| 276 | fListOfHistos->Add(fRatioCrossedRowsKink); |
| 277 | fListOfHistos->Add(fRadiusPt); |
| 278 | fListOfHistos->Add(fRadiusPtcln); |
| 279 | fListOfHistos->Add(fInvMassMuNuPt); |
| 280 | fListOfHistos->Add(fPtCut1); |
| 281 | fListOfHistos->Add(fPtCut2); |
| 282 | fListOfHistos->Add(fPtCut3); |
| 283 | fListOfHistos->Add(fAngMomKKinks); |
| 828a6e0c |
284 | |
| 285 | } |
| 828a6e0c |
286 | //________________________________________________________________________ |
| 287 | void AliAnalysisKinkESDat::UserExec(Option_t *) |
| 288 | { |
| 289 | // Main loop |
| 290 | // Called for each event |
| 291 | |
| 292 | // Process MC truth, therefore we receive the AliAnalysisManager and ask it for the AliMCEventHandler |
| 293 | // This handler can return the current MC event |
| 294 | |
| 295 | AliVEvent *event = InputEvent(); |
| 296 | if (!event) { |
| 297 | Printf("ERROR: Could not retrieve event"); |
| 298 | return; |
| 299 | } |
| 300 | |
| 301 | AliESDEvent* esd = dynamic_cast<AliESDEvent*>(event); |
| 302 | if (!esd) { |
| 303 | Printf("ERROR: Could not retrieve esd"); |
| 304 | return; |
| 305 | } |
| ad1036b2 |
306 | // Number ESD tracks |
| 307 | Int_t nESDTracks = esd->GetNumberOfTracks(); |
| 308 | fMultiplMC->Fill(nESDTracks); |
| 309 | // |
| 828a6e0c |
310 | //==================check of Physics selection? |
| 311 | Bool_t isSelected = |
| 312 | ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected()&AliVEvent::kMB; |
| 313 | |
| 314 | if ( isSelected ==kFALSE) return; // 24/6/11 apo MF |
| 315 | // |
| 828a6e0c |
316 | fMultMCK->Fill(nESDTracks); |
| ad1036b2 |
317 | // |
| 318 | //===============Marek's multiplicity |
| 828a6e0c |
319 | Float_t refmultiplicity=fCutsMul->CountAcceptedTracks(esd); |
| 320 | if(fLowMulcut>-1) |
| 321 | { |
| 322 | if(refmultiplicity<fLowMulcut) |
| 323 | return; |
| 324 | } |
| 325 | if(fUpMulcut>-1) |
| 326 | { |
| 327 | if(refmultiplicity>fUpMulcut) |
| 328 | return; |
| 329 | } |
| 330 | |
| 331 | |
| 332 | |
| 333 | fMultESDK->Fill(refmultiplicity); |
| 334 | |
| 335 | // |
| 828a6e0c |
336 | |
| 337 | |
| 338 | |
| 339 | const AliESDVertex *vertex=GetEventVertex(esd); // 22/8 |
| ad1036b2 |
340 | if(!vertex) return; |
| 828a6e0c |
341 | // |
| 342 | Double_t vpos[3]; |
| 343 | vertex->GetXYZ(vpos); |
| 344 | fZpr->Fill(vpos[2]); |
| ad1036b2 |
345 | if (TMath::Abs( vpos[2] ) > 10. ) return; |
| 828a6e0c |
346 | |
| 347 | |
| 348 | |
| 349 | Double_t vtrack[3], ptrack[3]; |
| 350 | |
| 351 | |
| 352 | Int_t nESDTracK = 0; |
| 353 | Int_t nESDTrKink = 0; |
| 354 | |
| 355 | Int_t nGoodTracks = esd->GetNumberOfTracks(); |
| 356 | fESDMult->Fill(nGoodTracks); |
| 357 | |
| ad1036b2 |
358 | Double_t nsigmall = 100.0; |
| 828a6e0c |
359 | Double_t nsigma = 100.0; |
| ad1036b2 |
360 | Double_t nsigmaPion =-100.0; |
| 8e57b720 |
361 | Double_t nsigmaDau =-100.0; |
| 362 | Double_t dEdxKinkDau =0.0; |
| 363 | Double_t KinkDauCl =0.0; |
| fcd98e58 |
364 | // apo Eftihi |
| 365 | if(!fPIDResponse) { |
| 366 | AliAnalysisManager *man = AliAnalysisManager::GetAnalysisManager(); |
| 367 | AliInputEventHandler* inputHandler = |
| 368 | (AliInputEventHandler*)(man->GetInputEventHandler()); |
| 369 | fPIDResponse = inputHandler->GetPIDResponse(); |
| 370 | } |
| 371 | |
| ad1036b2 |
372 | // loop on kink daughters |
| 373 | for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) { |
| 374 | |
| 375 | AliESDtrack* trackD = esd->GetTrack(iTrack); |
| 376 | if (!trackD) { |
| 377 | Printf("ERROR: Could not receive track %d", iTrack); |
| 378 | continue; |
| 379 | } |
| 8e57b720 |
380 | // |
| ad1036b2 |
381 | Int_t indexKinkDau=trackD->GetKinkIndex(0); |
| 382 | // daughter kink |
| 383 | // AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkDau)-1); |
| 8e57b720 |
384 | if ( indexKinkDau > 0 ) { |
| 385 | Int_t labelD = trackD->GetLabel(); |
| 386 | labelD = TMath::Abs(labelD); |
| 387 | nsigmaPion = (fPIDResponse->NumberOfSigmasTPC(trackD , AliPID::kPion));// 26/10 eftihis |
| 388 | dEdxKinkDau = (trackD->GetTPCsignal() ) ; // daughter kink dEdx |
| 389 | KinkDauCl=(trackD->GetTPCclusters(0) ) ; |
| 390 | } |
| fcd98e58 |
391 | //if((indexKinkDau >0)&& (nsigmaPion>1.2)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink |
| 8e57b720 |
392 | // Ayto mexri 26/11/2012 if(indexKinkDau >0) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink |
| ad1036b2 |
393 | } |
| fcd98e58 |
394 | |
| 828a6e0c |
395 | // track loop |
| ad1036b2 |
396 | // |
| 828a6e0c |
397 | for (Int_t iTracks = 0; iTracks < esd->GetNumberOfTracks(); iTracks++) { |
| 398 | |
| 399 | AliESDtrack* track = esd->GetTrack(iTracks); |
| 400 | if (!track) { |
| 401 | Printf("ERROR: Could not receive track %d", iTracks); |
| 402 | continue; |
| 403 | } |
| 404 | |
| 405 | fHistPt->Fill(track->Pt()); |
| 406 | |
| 407 | |
| 408 | // sigmas |
| fcd98e58 |
409 | nsigmall = (fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon)); |
| ad1036b2 |
410 | // nsigmaPion= (fESDpid->NumberOfSigmasTPC(track,AliPID::kPion)); |
| fcd98e58 |
411 | nsigma = TMath::Abs(fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon)); |
| 828a6e0c |
412 | |
| 8e57b720 |
413 | //=======================new |
| 414 | Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1); |
| 415 | Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0; |
| 416 | if (track->GetTPCNclsF()>0) { |
| 417 | ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / track->GetTPCNclsF(); |
| 418 | fRatioCrossedRows->Fill(ratioCrossedRowsOverFindableClustersTPC); |
| 419 | } |
| 420 | //_______ |
| 828a6e0c |
421 | |
| fcd98e58 |
422 | Int_t indexKinkPos=track->GetKinkIndex(0); // kink index |
| 828a6e0c |
423 | |
| 424 | Int_t tpcNCl = track->GetTPCclusters(0); |
| 425 | Double_t tpcSign = track->GetSign(); |
| 426 | |
| 427 | Int_t label = track->GetLabel(); |
| 428 | label = TMath::Abs(label); |
| 429 | |
| 430 | |
| 431 | UInt_t status=track->GetStatus(); |
| 432 | |
| 433 | if((status&AliESDtrack::kITSrefit)==0) continue; |
| 434 | if((status&AliESDtrack::kTPCrefit)==0) continue; |
| ad1036b2 |
435 | if((track->GetTPCchi2()/track->GetTPCclusters(0))>4.0) continue; |
| 828a6e0c |
436 | |
| 437 | Double_t extCovPos[15]; |
| 438 | track->GetExternalCovariance(extCovPos); |
| 828a6e0c |
439 | |
| 440 | |
| 441 | track->GetXYZ(vtrack); |
| 442 | fXvYv->Fill(vtrack[0],vtrack[1]); |
| 443 | fZvYv->Fill(vtrack[0],vtrack[2]); |
| 444 | fZvXv->Fill(vtrack[1],vtrack[2]); |
| 445 | |
| 446 | // track momentum, rapidity calculation |
| 447 | track->GetPxPyPz(ptrack); |
| 448 | |
| 449 | TVector3 trackMom(ptrack[0],ptrack[1],ptrack[2]); |
| 450 | |
| ad1036b2 |
451 | // K-rapidity calcualtion |
| 828a6e0c |
452 | Double_t etracK= TMath::Sqrt(trackMom.Mag()*trackMom.Mag() + 0.493677 *0.493677 ); |
| 453 | Double_t rapiditK = 0.5 * (TMath::Log( (etracK + ptrack[2] ) / ( etracK - ptrack[2]) )) ; |
| 454 | |
| 455 | Double_t trackEta=trackMom.Eta(); |
| 828a6e0c |
456 | Double_t trackPt = track->Pt(); |
| 457 | |
| 458 | |
| 459 | |
| 460 | Float_t bpos[2]; |
| 461 | Float_t bCovpos[3]; |
| 462 | track->GetImpactParameters(bpos,bCovpos); |
| 463 | |
| 464 | if (bCovpos[0]<=0 || bCovpos[2]<=0) { |
| 465 | Printf("Estimated b resolution lower or equal zero!"); |
| 466 | bCovpos[0]=0; bCovpos[2]=0; |
| 467 | } |
| 468 | |
| 469 | Float_t dcaToVertexXYpos = bpos[0]; |
| 470 | Float_t dcaToVertexZpos = bpos[1]; |
| 471 | |
| 472 | fRpr->Fill(dcaToVertexZpos); |
| 473 | |
| ad1036b2 |
474 | if((TMath::Abs(dcaToVertexXYpos)>0.3)||(TMath::Abs(dcaToVertexZpos)>2.5)) nESDTrKink++; // count of second 23Jul11 |
| 8e57b720 |
475 | //if((TMath::Abs(dcaToVertexXYpos)>0.3)||(TMath::Abs(dcaToVertexZpos)>2.5)) |
| 476 | // continue; // allagi 23Jul11 |
| 477 | |
| 478 | // apo Filhmona if (!fMaxDCAtoVtxCut->AcceptTrack(track)) continue; |
| 479 | // Float_t MaxDCAxy = fMaxDCAtoVtxCut->GetMaxDCAToVertexXYPtDep(track ); |
| 480 | // if (MaxDCAxy > 2.4 ) continue ; |
| 481 | |
| 482 | fdcatoVxXY->Fill(dcaToVertexXYpos); |
| 828a6e0c |
483 | // |
| 828a6e0c |
484 | |
| 485 | // track Mult. after selection |
| 486 | nESDTracK++; |
| 487 | // |
| 488 | //========================================= |
| 489 | fHistPtESD->Fill(track->Pt()); |
| 490 | |
| 491 | // Add Kink analysis ============================= |
| 492 | |
| ad1036b2 |
493 | // daughter kink |
| 494 | //if(indexKinkPos >0)fTPCSgnlKinkDau->Fill(track->P(), (track->GetTPCsignal() ) ) ; // daughter kink |
| 495 | |
| 828a6e0c |
496 | // loop on kinks |
| 497 | if(indexKinkPos<0){ ////mother kink |
| 828a6e0c |
498 | |
| fcd98e58 |
499 | fptKMC ->Fill( track->Pt() ); // Pt from tracks , all kinks |
| 500 | |
| 8e57b720 |
501 | fRatioCrossedRowsKink->Fill(ratioCrossedRowsOverFindableClustersTPC); |
| 828a6e0c |
502 | // select kink class |
| 503 | |
| 504 | AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkPos)-1); |
| 505 | // |
| 506 | // DCA kink |
| 507 | Double_t Dist2 = kink->GetDistance(); |
| ad1036b2 |
508 | // fDCAkink->Fill( Dist2 ); |
| 509 | // if (Dist2 > 0.2) continue; // systematics 11/8/11 |
| 828a6e0c |
510 | // |
| 511 | |
| ad1036b2 |
512 | // TPC mother momentum |
| 828a6e0c |
513 | |
| 514 | const TVector3 vposKink(kink->GetPosition()); |
| 515 | fPosiKink ->Fill( vposKink[0], vposKink[1] ); |
| 828a6e0c |
516 | Double_t dzKink=vpos[2]-vposKink[2]; |
| 828a6e0c |
517 | // |
| 8e57b720 |
518 | // lifitime |
| 828a6e0c |
519 | Double_t tanLamda = track->GetTgl(); // 25/6/2010 |
| 520 | |
| 521 | Double_t lifeKink= (TMath::Abs( dzKink ))*( TMath::Sqrt(1.+ tanLamda*tanLamda) ) / (TMath::Abs( tanLamda)) ; |
| 8e57b720 |
522 | // |
| 828a6e0c |
523 | const TVector3 motherMfromKink(kink->GetMotherP()); |
| 524 | const TVector3 daughterMKink(kink->GetDaughterP()); |
| 525 | |
| 526 | Float_t qT=kink->GetQt(); |
| 527 | Float_t motherPt=motherMfromKink.Pt(); |
| ad1036b2 |
528 | // Kink mother momentum |
| 529 | Double_t trMomTPCKink=motherMfromKink.Mag(); |
| 530 | // TPC mother momentun |
| 531 | Double_t trMomTPC=track->GetTPCmomentum(); |
| 8e57b720 |
532 | // fTPCSgnlKinkDau->Fill( daughterMKink.Mag(), dEdxKinkDau ) ; // daughter kink |
| 533 | // |
| 828a6e0c |
534 | fHistQtAll->Fill(qT) ; // Qt distr |
| 535 | |
| 536 | fptKink->Fill(motherMfromKink.Pt()); /// pt from kink |
| 537 | |
| 538 | Float_t kinkAngle=TMath::RadToDeg()*kink->GetAngle(2); |
| 539 | |
| fcd98e58 |
540 | // rapiditya nd pt selection |
| 828a6e0c |
541 | if( (TMath::Abs(rapiditK )) > 0.7 ) continue; |
| ad1036b2 |
542 | if ( (track->Pt())<.200)continue; // new Feb 2012 |
| 828a6e0c |
543 | |
| 544 | fQtMothP->Fill( track->P(), qT); |
| 545 | |
| fcd98e58 |
546 | if ( qT> 0.04) fHistQt1 ->Fill(qT) ; // Qt distr |
| 828a6e0c |
547 | |
| 548 | |
| 549 | |
| fcd98e58 |
550 | fHistEta->Fill(trackEta) ; // Eta distr |
| 551 | fHistQt2->Fill(qT); // |
| 8e57b720 |
552 | fKinkKaonBg->Fill(motherPt); |
| 828a6e0c |
553 | |
| 554 | // maximum decay angle at a given mother momentum |
| 555 | //Double_t maxDecAngKmu=f1->Eval(motherMfromKink.Mag(),0.,0.,0.); |
| 556 | Double_t maxDecAngKmu=f1->Eval(track->P() ,0.,0.,0.); |
| 557 | Double_t maxDecAngpimu=f2->Eval( track->P(), 0.,0.,0.); |
| fcd98e58 |
558 | |
| 559 | // fake kinks are removed |
| 828a6e0c |
560 | if( (kinkAngle<2.) ) continue; |
| 561 | |
| 562 | |
| 563 | // BG ?????============== |
| 564 | if ( TMath::Abs(vposKink[2]) > 225. ) continue ; |
| 565 | if ( TMath::Abs(vposKink[2]) < 0.5 ) continue ; |
| 828a6e0c |
566 | // |
| 8e57b720 |
567 | fPtCut1 ->Fill(trackPt ); |
| fcd98e58 |
568 | fAngMomPi->Fill( track->P(), kinkAngle); |
| 828a6e0c |
569 | // |
| 570 | // invariant mass of mother track decaying to mu |
| 571 | Float_t energyDaughterMu=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.105658*0.105658); |
| 572 | Float_t p1XM= motherMfromKink.Px(); |
| 573 | Float_t p1YM= motherMfromKink.Py(); |
| 574 | Float_t p1ZM= motherMfromKink.Pz(); |
| 575 | Float_t p2XM= daughterMKink.Px(); |
| 576 | Float_t p2YM= daughterMKink.Py(); |
| 577 | Float_t p2ZM= daughterMKink.Pz(); |
| 578 | Float_t p3Daughter=TMath::Sqrt(((p1XM-p2XM)*(p1XM-p2XM))+((p1YM-p2YM)*(p1YM-p2YM))+((p1ZM-p2ZM)*(p1ZM-p2ZM))); |
| 579 | Double_t invariantMassKmu= TMath::Sqrt((energyDaughterMu+p3Daughter)*(energyDaughterMu+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag()); |
| 580 | fQtInvM -> Fill ( invariantMassKmu, qT); |
| 581 | fInvMuNuAll->Fill(invariantMassKmu); |
| fcd98e58 |
582 | // |
| 8e57b720 |
583 | fRadiusPt->Fill( kink->GetR(), trackPt); // |
| fcd98e58 |
584 | // radius and Minv selection |
| 585 | if( ( kink->GetR()> 120 ) && ( kink->GetR() < 210 ) ) { |
| 586 | // for systematics if( ( kink->GetR()> 130 ) && ( kink->GetR() < 200 ) ) { |
| 828a6e0c |
587 | if (qT>0.12) fAngMomKC->Fill(track->P(), kinkAngle); |
| 588 | if ( qT>0.12) fM1kaon->Fill(invariantMassKmu); |
| 589 | if ( qT > 0.12) |
| 590 | fRadiusNcl->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ; |
| 591 | } |
| fcd98e58 |
592 | // tails cleaning |
| 593 | if( ( tpcNCl<20) ) continue; // test 27 feb 2012 ,, OK |
| 594 | // cleaning BG in tails |
| ad1036b2 |
595 | Int_t tpcNClHigh = -51.67+ (11./12.) *( kink->GetR() ) ; |
| 596 | if ( tpcNCl > tpcNClHigh) continue; |
| 597 | |
| ad1036b2 |
598 | Int_t tpcNClMin = -85.5 + (65./95.) *( kink->GetR() ) ; |
| ad1036b2 |
599 | if ( tpcNCl < tpcNClMin ) continue; |
| 828a6e0c |
600 | |
| 8e57b720 |
601 | // back, 20/1/2013 if (ratioCrossedRowsOverFindableClustersTPC< 0.5) continue;// test 14/1/2013 |
| 828a6e0c |
602 | // |
| fcd98e58 |
603 | fHistPtKPDG->Fill(track->Pt()); // ALL K-candidates until now |
| ad1036b2 |
604 | // if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.6)){ |
| fcd98e58 |
605 | if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=120.)&&(kink->GetR()<=210.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.8)){ |
| 606 | // systematics if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>=130.)&&(kink->GetR()<=200.))&&(TMath::Abs(rapiditK)<0.7)&&(invariantMassKmu<0.8)){ |
| 607 | // |
| 8e57b720 |
608 | fAngMomKKinks->Fill(track->P(), kinkAngle); |
| 609 | fPtCut2 ->Fill(trackPt ); |
| fcd98e58 |
610 | // maximum angles selection with some error cut |
| 828a6e0c |
611 | if( (kinkAngle<maxDecAngpimu*1.2) ) continue; |
| 612 | if ( (kinkAngle>maxDecAngKmu*.98) && ( track->P() >1.2 )) continue; ///5/5/2010 |
| 613 | |
| 8e57b720 |
614 | fPtCut3 ->Fill(trackPt ); |
| fcd98e58 |
615 | // here the kaons selected by the decay features |
| ad1036b2 |
616 | fTPCSgnlPa->Fill( track->GetInnerParam()->GetP() ,(track->GetTPCsignal() ) ) ; |
| fcd98e58 |
617 | // |
| 8e57b720 |
618 | // NO dEdx cut test 9/2/13 if ( nsigma > 3.5) continue; |
| fcd98e58 |
619 | // system if ( nsigma > 4.0) continue; // gia systamatic error |
| ad1036b2 |
620 | // |
| fcd98e58 |
621 | // next plots for the identified kaons by the kink analysis |
| 622 | |
| 623 | fHistPtKaon->Fill(track->Pt()); // |
| 624 | if(tpcSign >0.) fHistPtKaoP->Fill( track->Pt() ) ; // |
| 625 | if ( tpcSign <0.) fHistPtKaoN->Fill( track->Pt() ) ; // |
| ad1036b2 |
626 | fTPCSgnlP->Fill(track->GetInnerParam()->GetP(), (track->GetTPCsignal() ) ) ; |
| 627 | fRadNclCln->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ; |
| 8e57b720 |
628 | fRadiusPtcln->Fill( kink->GetR(), trackPt); // |
| 629 | fInvMassMuNuPt ->Fill(invariantMassKmu, trackPt); |
| ad1036b2 |
630 | |
| 8e57b720 |
631 | // fTPCSgnlPtpc->Fill(trMomTPC , (track->GetTPCsignal() ) ) ; |
| 632 | //fMothKinkMomSgnl ->Fill(trMomTPCKink , (track->GetTPCsignal() ) ) ; |
| 633 | fMothKinkMomSgnl ->Fill( dEdxKinkDau , (track->GetTPCsignal() ) ) ; |
| 634 | // |
| 635 | fTPCSgnlKinkDau->Fill( daughterMKink.Mag(), dEdxKinkDau ) ; // daughter kink |
| ad1036b2 |
636 | // |
| 637 | fTPCMomNSgnl->Fill(trMomTPC ,nsigmall ); |
| 638 | fNSigmTPC ->Fill(nsigmall ); |
| 639 | // |
| 828a6e0c |
640 | frad->Fill(kink->GetR()); // kink |
| 641 | fradLK->Fill(lifeKink ); // kink |
| 642 | fHistEtaK->Fill(trackEta); |
| 643 | frapiKESD ->Fill(rapiditK); // rapidityof kaons |
| 644 | fPosiKinKBg->Fill( vposKink[2], kink->GetR() ); |
| 645 | |
| 646 | Float_t signPt= tpcSign*trackPt; |
| 647 | fSignPtNcl->Fill( signPt , tpcNCl ); /// 28/4/2010 |
| 648 | fSignPtEta->Fill( signPt , rapiditK ); |
| 649 | fEtaNcl->Fill( rapiditK, tpcNCl ); |
| 650 | fSignPt->Fill( signPt ); |
| 651 | fChi2NclTPC->Fill( (track->GetTPCchi2() ) , tpcNCl ); |
| 652 | fRatChi2Ncl-> Fill ( (track->GetTPCchi2()/track->GetTPCclusters(0) )) ; |
| 8e57b720 |
653 | // fdcatoVxXY->Fill(dcaToVertexXYpos); |
| 654 | //if( dEdxKinkDau> 1.5* (track->GetTPCsignal() ) ) fKinkMothDau->Fill(track->P(),daughterMKink.Mag()); |
| 655 | // if((dEdxKinkDau> 80. ) && (dEdxKinkDau > 4.*nsigmaPion) ) fKinkMothDau->Fill(track->P(),daughterMKink.Mag()); |
| 656 | if (nsigmaPion> 3. ) fTPCSgnlPtpc->Fill( daughterMKink.Mag(), dEdxKinkDau ) ; |
| 657 | //if (TMath::Abs(dEdxKinkDau -(track->GetTPCsignal() )> 10. )) fTPCSgnlPtpc->Fill( daughterMKink.Mag(), dEdxKinkDau ) ; |
| 828a6e0c |
658 | flifetime->Fill(( lifeKink*.493667 ) /track->P() ) ; |
| 659 | fKinkKaon->Fill(track->Pt()); |
| ad1036b2 |
660 | fDCAkink->Fill( Dist2 ); |
| 661 | |
| 662 | fPtKink->Fill(track->Pt()); /// K0 bins |
| 663 | if(tpcSign >0.) fPtKinkPos ->Fill( track->Pt() ) ; //K-plus bins K0 |
| 664 | if(tpcSign <0.) fPtKinkNeg ->Fill( track->Pt() ) ; //K-minus bins K0 |
| 665 | fKinKRbn->Fill(track->Pt()); // TOF |
| 828a6e0c |
666 | |
| 828a6e0c |
667 | fradPtRpDt->Fill( kink->GetR(), 1./track->Pt(), rapiditK); |
| 668 | fAngMomK->Fill( track->P(), kinkAngle); |
| 669 | fPosiKinkK->Fill( vposKink[0], vposKink[1] ); |
| 670 | fPosiKinKXZ->Fill( vposKink[2], vposKink[0] ); |
| 671 | fPosiKinKYZ->Fill( vposKink[2], vposKink[1] ); |
| 672 | |
| 673 | } // kink selection |
| 674 | |
| 675 | |
| 676 | } //End Kink Information |
| 677 | |
| 678 | |
| 679 | } //track loop |
| ad1036b2 |
680 | // } //daughter loop |
| 828a6e0c |
681 | |
| 682 | // fMultiplMC->Fill(nESDTracK ); |
| 683 | |
| 684 | PostData(1, fListOfHistos); |
| 685 | |
| 686 | } |
| 687 | |
| 688 | //________________________________________________________________________ |
| 689 | void AliAnalysisKinkESDat::Terminate(Option_t *) |
| 690 | { |
| 691 | // Draw result to the screen |
| 692 | // Called once at the end of the query |
| 693 | |
| 694 | } |
| 695 | |
| 696 | //____________________________________________________________________// |
| 697 | |
| 698 | |
| 699 | const AliESDVertex* AliAnalysisKinkESDat::GetEventVertex(const AliESDEvent* esd) const |
| 700 | // Get the vertex from the ESD and returns it if the vertex is valid |
| 701 | |
| 702 | { |
| 703 | // Get the vertex |
| 704 | |
| 828a6e0c |
705 | const AliESDVertex* vertex = esd->GetPrimaryVertexTracks(); |
| 706 | |
| 828a6e0c |
707 | if((vertex->GetStatus()==kTRUE)) return vertex; |
| 708 | else |
| 709 | { |
| 710 | vertex = esd->GetPrimaryVertexSPD(); |
| 711 | if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>0)) return vertex; |
| 828a6e0c |
712 | else |
| 713 | return 0; |
| 714 | } |
| ad1036b2 |
715 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame