]> git.uio.no Git - u/mrichter/AliRoot.git/blame_incremental - PWGLF/SPECTRA/Kinks/AliAnalysisKinkESDMC.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
updates from CL
[u/mrichter/AliRoot.git] / PWGLF / SPECTRA / Kinks / AliAnalysisKinkESDMC.cxx
... / ...
CommitLineData
1/**************************************************************************
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 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16//-----------------------------------------------------------------
17// AliAnalysisKinkESDMC class
18// Example of an analysis task for kink topology study
19// Kaons from kink topology are 'identified' in this code
20//-----------------------------------------------------------------
21
22#include "TChain.h"
23#include "TTree.h"
24#include "TH1F.h"
25#include "TH2F.h"
26#include "TH3F.h"
27#include "TH1D.h"
28#include "TH2D.h"
29#include "TParticle.h"
30#include <TVector3.h>
31#include "TF1.h"
32
33#include "AliAnalysisTask.h"
34#include "AliAnalysisManager.h"
35#include "AliTrackReference.h"
36
37#include "AliVEvent.h"
38#include "AliESDEvent.h"
39#include "AliMCEvent.h"
40#include "AliAnalysisKinkESDMC.h"
41#include "AliStack.h"
42#include "AliESDpid.h"
43#include "AliESDkink.h"
44#include "AliESDtrack.h"
45#include "AliESDtrackCuts.h"
46#include "AliPhysicsSelectionTask.h"
47#include "AliInputEventHandler.h"
48#include "AliESDInputHandler.h"
49#include "AliAnalysisManager.h"
50#include "AliVEvent.h"
51 #include "AliPIDResponse.h"
52///#include "AliTPCpidESD.h"
53
54ClassImp(AliAnalysisKinkESDMC)
55
56
57//________________________________________________________________________
58AliAnalysisKinkESDMC::AliAnalysisKinkESDMC(const char *name)
59 : AliAnalysisTaskSE(name), fHistPtESD(0),fHistPt(0),fHistQtAll(0),fHistQt1(0),fHistQt2(0)
60 , fHistPtKaon(0),fHistPtKPDG(0),fHistEta(0),fHistEtaK(0),fptKMC(0),fMultiplMC(0),fESDMult(0),frad(0),
61 fradMC(0), fKinkKaon(0), fKinkKaonBg(0), fM1kaon(0), fgenPtEtR(0),fPtKink(0),
62 fcodeH(0), fdcodeH(0), fAngMomK(0),fAngMomPi(0), fAngMomKC(0), fMultESDK(0), fMultMCK(0),
63 fSignPtNcl(0), fSignPtEta(0), fSignPtEtaMC(0), fSignPtMC(0), fEtaNcl(0), fSignPt(0), fChi2NclTPC(0), fRatChi2Ncl(0),
64 fRadiusNcl(0), fTPCSgnlP(0), fTPCSgnlPa(0), fSignPtGen(0),
65 fRpr(0),fZpr(0), fdcatoVxXY(0), fMCEtaKaon(0),
66 fZvXv(0),fZvYv(0),fXvYv(0),fPtPrKink(0),fgenPtEtRP(0),fgenPtEtRN(0),fkinkKaonP(0),fkinkKaonN(0),
67 frapidESDK(0), frapidKMC(0), fPtKPlMC(0), fPtKMnMC(0),
68 fHistPtKaoP(0), fHistPtKaoN(0), fHiPtKPDGP(0), fHiPtKPDGN(0),fKinKBGP(0),fKinKBGN(0),
69 fQtKMu(0),fQtKPi(0),fQtKEl(0),fFakepipi(0), fFakeKPi(0),
70 fDCAkink(0), fDCAkinkBG(0), fPosiKink(0), fPosiKinkK(0), fPosiKinKXZ(0), fPosiKinKYZ(0), fPosiKinKBgZY(0),
71 fcode2(0), fcode4(0), fZkinkZDau(0),
72 fQtKMuMC(0), fQtKElMC(0), fQtKPiMC(0), fQtK3PiP(0),fQtK3PiM(0), fmaxAngMomKmu(0),
73 fPosiKinKBgZX(0), fPosiKinKBgXY(0), fMinvPi(0),fMinvKa(0),fMinvPr(0),
74 fTPCSgnlPtpc(0),
75 fTPCMomNSgnl(0), fMothKinkMomSgnl(0), fNSigmTPC(0), fTPCSgnlKinkDau(0),fcodeDau1(0),fcodeDau2(0), fMothKinkMomSgnlD(0),
76 fInvMassMuNuAll(0), fInvMassMuNuPt(0), fRatioCrossedRows(0), fRatioCrossedRowsKink(0), fRadiusPt(0), fRadiusPtcln(0),
77 fRadiusPtKaon(0), fRadiusPtPion(0), fRadiusPtFake(0), fPtCut1(0), fPtCut2(0), fPtCut3(0), fAngMomKKinks(0),
78 flengthMCK(0), flifetiMCK(0), flifetim2(0), fLHelESDK(0),flifeInt(0), flifeYuri(0), flenYuri(0), flenTrRef(0),flifeSmall(0), flifetime(0),flifTiESDK(0),
79 flifeKink(), flenHelx(0), fradPtRapMC(0), fradPtRapDC(0), fradPtRapESD(0), fRadNclcln(0),
80 f1(0), f2(0),
81 fListOfHistos(0),fLowMulcut(-1),fUpMulcut(-1), fKinkRadUp(200),fKinkRadLow(130), fLowCluster(20), fLowQt(.12), fCutsMul(0),fMaxDCAtoVtxCut(0), fPIDResponse(0)
82
83{
84 // Constructor
85
86 // Define input and output slots here
87
88 DefineOutput(1, TList::Class());
89}
90
91//________________________________________________________________________
92void AliAnalysisKinkESDMC::UserCreateOutputObjects()
93{
94
95 // Input slot #0 works with a TChain
96 // DefineInput(0, TChain::Class());liESDtrackCuts("Mul","Mul");
97 fCutsMul=new AliESDtrackCuts("Mul","Mul");
98 fCutsMul->SetMinNClustersTPC(70);
99 fCutsMul->SetMaxChi2PerClusterTPC(4);
100 fCutsMul->SetAcceptKinkDaughters(kFALSE);
101 fCutsMul->SetRequireTPCRefit(kTRUE);
102 // ITS
103 fCutsMul->SetRequireITSRefit(kTRUE);
104 fCutsMul->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
105 AliESDtrackCuts::kAny);
106 fCutsMul->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
107
108 fCutsMul->SetMaxDCAToVertexZ(2);
109 fCutsMul->SetDCAToVertex2D(kFALSE);
110 fCutsMul->SetRequireSigmaToVertex(kFALSE);
111
112 fCutsMul->SetEtaRange(-0.8,+0.8);
113 fCutsMul->SetPtRange(0.15, 1e10);
114//
115 fMaxDCAtoVtxCut=new AliESDtrackCuts("fMaxDCA", "fMaxDCA");
116 fMaxDCAtoVtxCut->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
117 fMaxDCAtoVtxCut->SetMaxChi2TPCConstrainedGlobal(36);
118
119 // Create histograms
120 // Called once
121
122 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);
123 f1->SetParameter(0,0.493677);
124 f1->SetParameter(1,0.9127037);
125 f1->SetParameter(2,TMath::Pi());
126
127
128 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);
129 f2->SetParameter(0,0.13957018);
130 f2->SetParameter(1,0.2731374);
131 f2->SetParameter(2,TMath::Pi());
132//
133 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,
134 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0,
135 2.2, 2.4, 2.6, 2.8, 3.0, 3.3, 3.6, 3.9,
136 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
137/*
138 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,
139 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8,1.9, 2.0,
140 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7,2.8, 2.9, 3.0,
141 3.2, 3.4, 3.6, 3.8, 4.0, 4.2, 4.4, 4.6, 4.8,5.0 }; // Barbara TOF Kch
142*/
143 fHistPtESD = new TH1F("fHistPtESD", "P_{T} distribution",200, 0.0,10.0);
144 fHistPt = new TH1F("fHistPt", "P_{T} distribution",200, 0.0,10.0);
145 fHistQtAll = new TH1F("fHistQtAll", "Q_{T} distr All Kinks ",100, 0.0,.300);
146 fHistQt1= new TH1F("fHistQt1", "Q_{T} distribution",100, 0.0,.300);
147 fHistQt2= new TH1F("fHistQt2", "Q_{T} distribution",100, 0.0,.300);
148// fHistPtKaon = new TH1F("fHistPtKaon", "P_{T}Kaon distribution",200, 0.0,10.0);
149 fHistPtKaon = new TH1F("fHistPtKaon", "P_{T}Kaon distribution",44,gPt7K0);
150 fHistPtKPDG = new TH1F("fHistPtKPDG", "P_{T}Kaon distribution",44, gPt7K0 );
151 fHistEta= new TH1F("fHistEta", "Eta distribution", 26,-1.3, 1.3);
152 fHistEtaK= new TH1F("fHistEtaK", "EtaK distribution", 26,-1.3, 1.3);
153 fptKMC= new TH1F("fptKMC", "P_{T}Kaon generated",44, gPt7K0 );
154 fMultiplMC= new TH1F("fMultiplMC", " charge particle multipl",100, 0.0,2500.);
155 fESDMult= new TH1F("fESDMult", "charge multipliESD",100, 0.0,100.);
156 frad= new TH1F("frad", "radius K ESD recon",100,0.,1000.);
157 fradMC= new TH1F("fradMC", "radius K generated",100,0.,1000.);
158 fKinkKaon= new TH1F("fKinkKaon", "P_{T}Kaon kinks identi", 44, gPt7K0 );
159 fKinkKaonBg= new TH1F("fKinkKaonBg", "P_{T}Kaon kinks backgr",44 , gPt7K0 );
160 fM1kaon= new TH1F("fM1kaon","Invar m(kaon) from kink->mu+netrino decay",180,0.1, 1.0);
161 fgenPtEtR= new TH1F("fgenPtEtR", "P_{T}Kaon distribution", 44, gPt7K0 );
162 fPtKink= new TH1F("fPtKink", "P_{T}Kaon Kink bution",44, gPt7K0 );
163 fcodeH = new TH2F("fcodeH", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
164 fdcodeH = new TH2F("fdcodeH", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
165 fAngMomK= new TH2F("fAngMomK","Decay angle vrs Mother Mom,K",100,0.0,10.0,80,0.,80.);
166 fAngMomPi= new TH2F("fAngMomPi","Decay angle vrs Mother Mom,Pi",100,0.0,10.0,80,0.,80.);
167 fAngMomKC= new TH2F("fAngMomKC","Decay angle vrs Mother Mom,K",100,0.0,10.0,80,0.,80.);
168 fMultESDK=new TH1F("fMultESDK", "charge multipliESD kaons",100, 0.,2500.);
169 fMultMCK=new TH1F("fMultMCK", "charge multipli MC kaons",100, 0.,2500.);
170 fSignPtNcl= new TH2F("fSignPtNcl","SignPt vrs Ncl,K",80,-4.,4.0,70,20.,160.);
171 fSignPtEta= new TH2F("fSignPtEta","SignPt vrs Eta,K",80,-4.0,4.0,30,-1.5,1.5);
172 fSignPtEtaMC= new TH2F("fSignPtEtaMC","SignPt vrs Eta,K",80,-4.0,4.0,30,-1.5,1.5);
173 fSignPtMC= new TH1F("fSignPtMC","SignPt ,K",100,-5.,5.0);
174 fEtaNcl= new TH2F("fEtaNcl","Eta vrs Ncl,K",26,-1.3,1.3,70,20.,160.);
175 fSignPt= new TH1F("fSignPt","SignPt ,K",100,-5.,5.0);
176 fChi2NclTPC= new TH2F("fChi2NclTPC","Chi2vrs nclust,K",100,0.,500., 70,20, 160);
177 fRatChi2Ncl= new TH1F("fRatChi2Ncl","Ratio chi2/nclusters in TPC,K",50,0.0,5.0);
178 fRadiusNcl = new TH2F("fRadiusNcl","KinkRadius Ncl,K",75,100.,250., 80,0, 160);
179 fTPCSgnlP = new TH2F("fTPCSgnlP","Kink TCP de/dx,K",300,0.,15.,150,0.,300);
180 fTPCSgnlPa= new TH2F("fTPCSgnlPa","Kink TCP de/dx,a",300,0.,15.,150,0.,300);
181 fSignPtGen= new TH1F("fSignPtGen","SignPtGen ,K",100,-5.0,5.0);
182 fRpr = new TH1D("fRpr", "rad distribution PID pr",100,-1.0,1.0);
183 fZpr = new TH1D("fZpr", "z distribution PID pr ",60,-15.,15.);
184 fdcatoVxXY = new TH1D("fdcatoVxXY", "dca distribution PID ",20,-1.,1.);
185 fMCEtaKaon = new TH1F("fMCEtaKaon"," Hist of Eta K -Kink Selecied",26,-1.3,1.3);
186 fZvXv= new TH2F("fZvXv","Xv-Zv main vtx",60,-0.5,0.5, 60, -15., 15.);
187 fZvYv= new TH2F("fZvYv","Yv-Zv main vtx",60,-0.5,0.5, 60, -15., 15.);
188 fXvYv= new TH2F("fXvYv","Xv-Yv main vtx", 60,-1.5,1.5, 60, -1.5, 1.5);
189 fPtPrKink=new TH1F("fPtPrKink","pt of ESD kaonKink tracks",300, 0.0,15.0);
190 fgenPtEtRP= new TH1F("fgenPtEtRP", "P_{T}Kaon distribution positive", 44, gPt7K0 );
191 fgenPtEtRN= new TH1F("fgenPtEtRN", "P_{T}Kaon distribution negative", 44, gPt7K0 );
192 fkinkKaonP= new TH1F("fKinkKaonP", "P_{T}Kaon distribution positive", 44, gPt7K0 );
193 fkinkKaonN= new TH1F("fKinkKaonN", "P_{T}Kaon distribution negative", 44, gPt7K0 );
194 frapidESDK= new TH1F("frapidESDK", "rapidity distribution", 26,-1.3, 1.3);
195 frapidKMC = new TH1F("frapidKMC ", "rapidity distri MC ",26,-1.3, 1.3);
196 fPtKPlMC= new TH1F("fPtKPlMC", "P_{T}Kaon Pos generated", 44, gPt7K0 );
197 fPtKMnMC= new TH1F("fPtKMnMC", "P_{T}Kaon Minusgenerated",44 , gPt7K0 );
198 fHistPtKaoP= new TH1F("fHistPtKaoP", "P_{T}Kaon Pos ESD", 44, gPt7K0 );
199 fHistPtKaoN= new TH1F("fHistPtKaoN", "P_{T}Kaon Neg ESD", 44, gPt7K0 );
200 fHiPtKPDGP= new TH1F("fHiPtKPDGP", "P_{T}Kaon Pos ESD", 44, gPt7K0 );
201 fHiPtKPDGN= new TH1F("fHiPtKPDGN", "P_{T}Kaon neg ESD", 44, gPt7K0 );
202 fKinKBGP = new TH1F("fKinKBGP ", "P_{T}Kaon Pos ESD", 44, gPt7K0 );
203 fKinKBGN= new TH1F("fKinKBGN", "P_{T}Kaon neg ESD", 44, gPt7K0 );
204 fQtKMu= new TH1F("fQtKMu", "Q_{T} distribution K to mu ",100, 0.0,.300);
205 fQtKPi= new TH1F("fQtKPi", "Q_{T} distribution K to pi",100, 0.0,.300);
206 fQtKEl= new TH1F("fQtKEl", "Q_{T} distribution K to elec",100, 0.0,.300);
207 fFakepipi = new TH1F("fFakepipi", "P_{T}fake pipi ",44 , gPt7K0 );
208 fFakeKPi = new TH1F("fFakeKPi", "P_{T}fake Kpi ", 44, gPt7K0 );
209 fDCAkink = new TH1F("fDCAkink", "DCA kink vetrex ",50, 0.0,1.0);
210 fDCAkinkBG = new TH1F("fDCAkinkBG", "DCA kink vetrex ",50, 0.0,1.0);
211 fPosiKink= new TH2F("fPosiKink", "Y vrx kink Vrex ",100, -300.0,300.0,100, -300, 300.);
212 fPosiKinkK= new TH2F("fPosiKinkK", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
213 fPosiKinKXZ= new TH2F("fPosiKinKXZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
214 fPosiKinKYZ= new TH2F("fPosiKinKYZ", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
215 fPosiKinKBgZY= new TH2F("fPosiKinKBgZY", "Y vrx Z kink Vrexbg ",100, -300.0,300.0,100, -300, 300.);
216 fcode2 = new TH2F("fcode2", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
217 fcode4 = new TH2F("fcode4", "code vrs dcode dist. kinks,K",100,0.,2500.,100,0.,2500.);
218 fZkinkZDau = new TH2F("fZkinkZDau", "Y vrx kink VrexK ",100, -300.0,300.0,100, -300, 300.);
219 fQtKMuMC= new TH1F("fQtKMuMC", "Q_{T} distribution K to mu MC",100, 0.0,.300);
220 fQtKPiMC= new TH1F("fQtKPiMC", "Q_{T} distribution K to pi MC",100, 0.0,.300);
221 fQtKElMC= new TH1F("fQtKElMC", "Q_{T} distribution K to elec MC",100, 0.0,.300);
222 fQtK3PiP= new TH1F("fQtK3PiP", "Q_{T} distribution K to 3pi ",100, 0.0,.300);
223 fQtK3PiM= new TH1F("fQtK3PiM", "Q_{T} distribution K to 3pi ",100, 0.0,.300);
224 fmaxAngMomKmu= new TH2F("fmaxAngMomKmu","Decay angle vrs Mother Mom,Kmu",100,0.0,10.0,80,0.,80.);
225 fPosiKinKBgZX= new TH2F("fPosiKinKBgZX", "X vrx Z kink Vrexbg ",100, -20.0,20.0,100, 0., 300.);
226 fPosiKinKBgXY= new TH2F("fPosiKinKBgXY", "Y vrx X kink Vrexbg ",100, -300.0,300.0,100, -300, 300.);
227 fMinvPi= new TH1F("fMinvPi","Invar m(kaon) from kink-> decay",100,0.0, 1.2);
228 fMinvKa= new TH1F("fMinvKa","Invar m(kaon) from kink-> decay",100,0.0, 2.0);
229 fMinvPr= new TH1F("fMinvPr","Invar m(kaon) from kink-> decay",100,0.0, 1.2);
230 fTPCSgnlPtpc = new TH2F("fTPCSgnlPtpc","TPC signal de/dx Mom TPC,K ",100,0.0,8.0,100, 0., 250. );
231 fTPCMomNSgnl = new TH2F("fTPCMomNsgnl","TPC signal de/dx Mom TPC,K ",100,0.0,8.0,20 , -10., 10.);
232 fMothKinkMomSgnl = new TH2F("fMothKinkMomSgnl","TPC signal de/dx Mom TPC,Kink ",100,0.0,250.,100, 0., 250. );
233 fNSigmTPC = new TH1F("fNSigmTPC","TPC Nsigma de/dx TPC,K ", 30 , -7.5, 7.5);
234 fTPCSgnlKinkDau = new TH2F("fTPCSgnlKinkDau","TPC signal de/dx Mom,K",100,0.0,8.0,100,0.,250.);
235 fcodeDau1 = new TH2F("fcodeDau1", "code vrs dcode dist. kinks,K",100,0.,500.,100,0.,500.);
236 fcodeDau2 = new TH2F("fcodeDau2", "code vrs dcode dist. kinks,K",100,0.,500.,100,0.,500.);
237 fMothKinkMomSgnlD = new TH2F("fMothKinkMomSgnlD","TPC signal de/dx Mom TPC,Kink ",100,0.0,250.,100, 0., 250. );
238 fInvMassMuNuAll = new TH1F("fInvMassMuNuAll","Invar from kink->mu+netrino decay",180,0.1, 1.0);
239 fInvMassMuNuPt = new TH2F("fInvMassMuNuPt","Invar from kink->mu+netrino decay vs Pt",180,0.1, 1.0, 100, 0. , 10.);
240 fRatioCrossedRows = new TH1F("fRatioCrossedRows","Ratio crossed rows in TPC",20,0.0,1.0);
241 fRatioCrossedRowsKink = new TH1F("fRatioCrossedRowsKink","Ratio crossed rows in TPC for kinks",20,0.0,1.0);
242 fRadiusPt =new TH2F("fRadiusPt","radius vs pt ",80, 90.,250.,100, 0.,10. );
243 fRadiusPtcln =new TH2F("fRadiusPtcln","radius vs pt clean ",80, 90.,250.,100, 0.,10. );
244 fRadiusPtKaon =new TH2F("fRadiusPtKaon","radius vs pt Kaon PDG ",80, 90.,250.,100, 0.,10. );
245 fRadiusPtPion =new TH2F("fRadiusPtPion","radius vs pt Pion PDG ",80, 90.,250.,100, 0.,10. );
246 fRadiusPtFake =new TH2F("fRadiusPtFake","radius vs pt Pion Fake ",80, 90.,250.,100, 0.,10. );
247 fPtCut1 = new TH1F("fPtCut1", "P_{T}Kaon distribution",300, 0.0,15.0);
248 fPtCut2 = new TH1F("fPtCut2", "P_{T}Kaon distribution",300, 0.0,15.0);
249 fPtCut3 = new TH1F("fPtCut3", "P_{T}Kaon distribution",300, 0.0,15.0);
250 fAngMomKKinks = new TH2F("fAngMomKKinks","Decay angle vrs Mother Mom,Kinks",300,0.0,15.0,100,0.,100.);
251 flengthMCK=new TH1F("flengthMCK", "length of K MCref decay ",100,0.,1000.0);
252 flifetiMCK=new TH1F("flifetiMCK", "lifetime ref K Decay ",100,0.,1000.0);
253 flifetim2 =new TH1F("flifetim2", "lifetime ref K Decay ",100,0.,1000.0);
254 fLHelESDK =new TH1F("fLHelESDK", "lifetime ref K Decay ",100,0.,1000.0);
255 flifeInt =new TH1F("flifeInt", "lifetime ref K Decay ",100,0.,1000.0);
256 flifeYuri=new TH1F("flifeYuri","lifetime ref K Decay ",100,0.,1000.0);
257 flenYuri=new TH1F("flenYuri","lifetime ref K Decay ",100,0.,1000.0);
258 flenTrRef =new TH1F("flenTrRef","lifetime ref K Decay ",100,0.,1000.0);
259 flifeSmall=new TH1F("flifeSmall","lifetime ref K Decay ",100,0.,1000.0);
260 flifetime =new TH1F("flifetime","lifetime ref K Decay ",100,0.,1000.0);
261 flifTiESDK=new TH1F("flifTiESDK","lifetime ref K Decay ",100,0.,1000.0);
262 flifeKink =new TH1F("flifeKink", "lifetime ref K Decay ",100,0.,1000.0);
263 flenHelx =new TH1F("flenHelx", "lifetime ref K Decay ",100,0.,1000.0);
264 fradPtRapMC=new TH3F("fradPtRapMC","rad pt rap dat",28,100.,240., 20, 0., 5., 20, -1., 1. );
265 fradPtRapDC=new TH3F("fradPtRapDC","rad pt rap dat",28,100.,240., 20, 0., 5., 20, -1., 1. );
266 fradPtRapESD=new TH3F("fradPtRapESD","rad pt rap dat",28,100.,240., 20, 0., 5., 20, -1., 1. );
267 fRadNclcln = new TH2F("fRadNclcln","KinkRadius Ncl,K",75,100.,250., 80,0, 160);
268
269
270
271
272 fListOfHistos=new TList();
273 fListOfHistos->SetOwner();
274 fListOfHistos->Add(fHistPtESD);
275 fListOfHistos->Add(fHistPt);
276 fListOfHistos->Add(fHistQtAll);
277 fListOfHistos->Add(fHistQt1);
278 fListOfHistos->Add(fHistQt2);
279 fListOfHistos->Add(fHistPtKaon);
280 fListOfHistos->Add(fHistPtKPDG);
281 fListOfHistos->Add(fHistEta);
282 fListOfHistos->Add(fHistEtaK);
283 fListOfHistos->Add(fptKMC);
284 fListOfHistos->Add(fMultiplMC);
285 fListOfHistos->Add(fESDMult);
286 fListOfHistos->Add(frad);
287 fListOfHistos->Add(fradMC);
288 fListOfHistos->Add(fKinkKaon);
289 fListOfHistos->Add(fKinkKaonBg);
290 fListOfHistos->Add(fM1kaon);
291 fListOfHistos->Add(fgenPtEtR);
292 fListOfHistos->Add(fPtKink);
293 fListOfHistos->Add(fcodeH);
294 fListOfHistos->Add(fdcodeH);
295 fListOfHistos->Add(fAngMomK);
296 fListOfHistos->Add(fAngMomPi);
297 fListOfHistos->Add(fAngMomKC);
298 fListOfHistos->Add(fMultESDK);
299 fListOfHistos->Add(fMultMCK);
300 fListOfHistos->Add(fSignPtNcl);
301 fListOfHistos->Add(fSignPtEta);
302 fListOfHistos->Add(fSignPtEtaMC);
303 fListOfHistos->Add(fSignPtMC);
304 fListOfHistos->Add(fEtaNcl);
305 fListOfHistos->Add(fSignPt);
306 fListOfHistos->Add(fChi2NclTPC);
307 fListOfHistos->Add(fRatChi2Ncl);
308 fListOfHistos->Add(fRadiusNcl);
309 fListOfHistos->Add(fTPCSgnlP);
310 fListOfHistos->Add(fTPCSgnlPa);
311 fListOfHistos->Add(fSignPtGen);
312 fListOfHistos->Add(fRpr);
313 fListOfHistos->Add(fZpr);
314 fListOfHistos->Add(fdcatoVxXY);
315 fListOfHistos->Add(fMCEtaKaon);
316 fListOfHistos->Add(fZvXv);
317 fListOfHistos->Add(fZvYv);
318 fListOfHistos->Add(fXvYv);
319 fListOfHistos->Add(fPtPrKink);
320 fListOfHistos->Add(fgenPtEtRP);
321 fListOfHistos->Add(fgenPtEtRN);
322 fListOfHistos->Add(fkinkKaonP);
323 fListOfHistos->Add(fkinkKaonN);
324 fListOfHistos->Add(frapidESDK);
325 fListOfHistos->Add(frapidKMC);
326 fListOfHistos->Add(fPtKPlMC);
327 fListOfHistos->Add(fPtKMnMC);
328 fListOfHistos->Add(fHistPtKaoP);
329 fListOfHistos->Add(fHistPtKaoN);
330 fListOfHistos->Add(fHiPtKPDGP);
331 fListOfHistos->Add(fHiPtKPDGN);
332 fListOfHistos->Add(fKinKBGP);
333 fListOfHistos->Add(fKinKBGN);
334 fListOfHistos->Add(fQtKMu);
335 fListOfHistos->Add(fQtKPi);
336 fListOfHistos->Add(fQtKEl);
337 fListOfHistos->Add(fFakepipi);
338 fListOfHistos->Add(fFakeKPi);
339 fListOfHistos->Add(fDCAkink);
340 fListOfHistos->Add(fDCAkinkBG);
341 fListOfHistos->Add(fPosiKink);
342 fListOfHistos->Add(fPosiKinkK);
343 fListOfHistos->Add(fPosiKinKXZ);
344 fListOfHistos->Add(fPosiKinKYZ);
345 fListOfHistos->Add(fPosiKinKBgZY);
346 fListOfHistos->Add(fcode2);
347 fListOfHistos->Add(fcode4);
348 fListOfHistos->Add(fZkinkZDau);
349 fListOfHistos->Add(fQtKMuMC);
350 fListOfHistos->Add(fQtKPiMC);
351 fListOfHistos->Add(fQtKElMC);
352 fListOfHistos->Add(fQtK3PiP);
353 fListOfHistos->Add(fQtK3PiM);
354 fListOfHistos->Add(fmaxAngMomKmu);
355 fListOfHistos->Add(fPosiKinKBgZX);
356 fListOfHistos->Add(fPosiKinKBgXY);
357 fListOfHistos->Add(fMinvPi);
358 fListOfHistos->Add(fMinvKa);
359 fListOfHistos->Add(fMinvPr);
360 fListOfHistos->Add(fTPCSgnlPtpc);
361 fListOfHistos->Add(fTPCMomNSgnl);
362 fListOfHistos->Add(fMothKinkMomSgnl);
363 fListOfHistos->Add(fNSigmTPC);
364 fListOfHistos->Add(fTPCSgnlKinkDau);
365 fListOfHistos->Add(fcodeDau1);
366 fListOfHistos->Add(fcodeDau2);
367 fListOfHistos->Add(fMothKinkMomSgnlD);
368 fListOfHistos->Add(fInvMassMuNuAll);
369 fListOfHistos->Add(fInvMassMuNuPt);
370 fListOfHistos->Add(fRatioCrossedRows);
371 fListOfHistos->Add(fRatioCrossedRowsKink);
372 fListOfHistos->Add(fRadiusPt);
373 fListOfHistos->Add(fRadiusPtcln);
374 fListOfHistos->Add(fRadiusPtKaon);
375 fListOfHistos->Add(fRadiusPtPion);
376 fListOfHistos->Add(fRadiusPtFake);
377 fListOfHistos->Add(fPtCut1);
378 fListOfHistos->Add(fPtCut2);
379 fListOfHistos->Add(fPtCut3);
380 fListOfHistos->Add(fAngMomKKinks);
381 fListOfHistos->Add(flengthMCK);
382 fListOfHistos->Add(flifetiMCK);
383 fListOfHistos->Add(flifetim2);
384 fListOfHistos->Add(fLHelESDK);
385 fListOfHistos->Add(flifeInt);
386 fListOfHistos->Add(flifeYuri);
387 fListOfHistos->Add(flenYuri);
388 fListOfHistos->Add(flenTrRef);
389 fListOfHistos->Add(flifeSmall);
390 fListOfHistos->Add(flifetime);
391 fListOfHistos->Add(flifTiESDK);
392 fListOfHistos->Add(flifeKink);
393 fListOfHistos->Add(flenHelx);
394 fListOfHistos->Add(fradPtRapMC);
395 fListOfHistos->Add(fradPtRapDC);
396 fListOfHistos->Add(fradPtRapESD);
397 fListOfHistos->Add(fRadNclcln);
398
399 PostData(1, fListOfHistos);
400}
401
402//________________________________________________________________________
403void AliAnalysisKinkESDMC::UserExec(Option_t *)
404{
405 // Main loop
406 // Called for each event
407
408 // Process MC truth, therefore we receive the AliAnalysisManager and ask it for the AliMCEventHandler
409 // This handler can return the current MC event
410
411 AliVEvent *event = InputEvent();
412 if (!event) {
413 Printf("ERROR: Could not retrieve event");
414 return;
415 }
416
417 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(event);
418 if (!esd) {
419 Printf("ERROR: Could not retrieve esd");
420 return;
421}
422
423 AliMCEvent* mcEvent = MCEvent();
424 if (!mcEvent) {
425 Printf("ERROR: Could not retrieve MC event");
426 return;
427 }
428 fMultMCK->Fill(mcEvent->GetNumberOfTracks() );
429//
430
431
432// multiplicity selection
433 Float_t refmultiplicity=fCutsMul->CountAcceptedTracks(esd);
434 if(fLowMulcut>-1)
435 {
436 if(refmultiplicity<fLowMulcut)
437 return;
438 }
439 if(fUpMulcut>-1)
440 {
441 if(refmultiplicity>fUpMulcut)
442 return;
443 }
444
445
446 fMultESDK->Fill(refmultiplicity);
447
448
449
450
451 Printf("MC particles: %d", mcEvent->GetNumberOfTracks());
452
453 AliStack* stack=mcEvent->Stack();
454
455//primary tracks in MC
456 Int_t nPrim = stack->GetNprimary();
457//
458
459 // loop over mc particles
460
461 // variable to count tracks
462 Int_t nMCTracks = 0;
463 Int_t nMCKinkKs = 0;
464
465// 15/2/12 OK for (Int_t iMc = 0; iMc < nPrim; iMc++)
466 //for (Int_t iMc = 0; iMc < stack->GetNtrack(); iMc++)
467 for (Int_t iMc = 0; iMc < mcEvent->GetNumberOfTracks(); iMc++)
468 {
469
470 TParticle* particle = stack->Particle(iMc);
471
472 if (!particle)
473 {
474 // AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (mc loop).", iMc));
475 continue;
476 }
477// keep only primaries
478 if (!stack->IsPhysicalPrimary(iMc)) continue;
479
480 //
481
482 Double_t ptK = particle->Pt();
483
484 if( ptK <0.200) continue; // 12/2/2012
485//
486
487 Float_t charg=0;
488 Float_t code = particle->GetPdgCode();
489 Int_t mcProcess=-1011;
490//---------------------------------------kaon selection
491 if ((code==321)||(code==-321)){
492
493
494 Double_t etracKMC= TMath::Sqrt(particle->P() *particle->P() + 0.493677 *0.493677 );
495 Double_t rapidiKMC = 0.5 * (TMath::Log( (etracKMC +particle->Pz())/( etracKMC-particle->Pz() )) ) ;
496
497 if ( TMath::Abs( rapidiKMC) > 0.7) continue; //
498 frapidKMC ->Fill(rapidiKMC) ; //18/feb rapiddistr of PDG kink ESD kaons
499
500
501// maximum angle vrs momentum
502 // Double_t maxDecAnKmu=f1->Eval(particle->P(), 0.,0.,0.);
503 // fmaxAngMomKmu->Fill(particle->P() , maxDecAnKmu);
504
505 if(code > 0 ) charg =1;
506 if(code < 0 ) charg =-1;
507 Float_t chargPt= charg*ptK;
508
509 fptKMC->Fill(ptK);
510 fSignPtGen->Fill(chargPt);// kaon gensign pt
511 if (charg==1 ) fPtKPlMC->Fill( ptK );
512 if ( charg==-1) fPtKMnMC->Fill( ptK );
513// primary vertex
514 // Double_t mVx=particle->Vx();
515 // Double_t mVy=particle->Vy();
516 Double_t mVz=particle->Vz();
517// 25/11/2012 ???????back 10/1/2013
518 TClonesArray* trArray=0;
519 TParticle* tempParticle=0;
520
521 TVector3 DecayMomentumK(0,0,0);
522 Float_t lengthKMC=0;
523 if (mcEvent->GetParticleAndTR(iMc, tempParticle, trArray) != -1) {
524 AliTrackReference* MCtrackReference = static_cast<AliTrackReference*>(trArray->Last());
525 lengthKMC = MCtrackReference->GetLength();
526
527// DecayMomentumK.SetXYZ(MCtrackReference->Px(), MCtrackReference->Py(), MCtrackReference->Pz());
528 }
529 flenTrRef ->Fill(lengthKMC);
530 flifetime ->Fill( (lengthKMC*0.493667 /particle->P())); // 19/7
531 if ((lengthKMC>100.)&& (lengthKMC<300.) ) flifeSmall->Fill( (lengthKMC*0.493667/particle->P() ) );
532
533 Int_t nMCKpi =0;
534 Int_t mcProc4 =0;
535 Int_t mcProc13=0;
536 Double_t radiusD=0;
537 // Double_t lengthK =0.;
538 Double_t LengthK =0.;
539 Double_t lenYuri =0.;
540 Double_t MCQt =0.;
541 Double_t MCQt3[2];
542 Int_t firstD=particle->GetFirstDaughter();
543 Int_t lastD=particle->GetLastDaughter();
544
545 if( (lastD<=0) || (firstD<=0) ) continue;
546
547 if ( lastD > mcEvent->GetNumberOfTracks() ) continue;
548 if (firstD > mcEvent->GetNumberOfTracks() ) continue;
549// 25/112012
550// TClonesArray* trArray=0;
551// TParticle* tempParticle=0;
552 // TVector3 DecayMomentumK(0,0,0);
553//loop on secondaries
554 for (Int_t k=firstD;k<=lastD;k++) {
555 if ( k > 0 ) {
556 TParticle* daughter1=stack->Particle(k); // 27/8
557 Float_t dcode = daughter1->GetPdgCode();
558
559// mother momentum trackrefs and QtMC // 17/9/2010, test Feb 2011
560 if (mcEvent->GetParticleAndTR(iMc, tempParticle, trArray) != -1) {
561 AliTrackReference* MCtrackReference = static_cast<AliTrackReference*>(trArray->Last());
562 DecayMomentumK.SetXYZ(MCtrackReference->Px(), MCtrackReference->Py(), MCtrackReference->Pz());
563 }
564 const TVector3 MCP3d(daughter1->Px(), daughter1->Py(), daughter1->Pz()); //MC daughter's momentum
565 MCQt = MCP3d.Perp(DecayMomentumK); //MC daughter's transverse momentum in mother's frame
566//
567 Double_t MCKinkAngle = TMath::ASin(MCQt/daughter1->P() );
568 Double_t MCKinkAngle2= TMath::RadToDeg() * MCKinkAngle; // in degrees
569 // fmaxAngMomKmu->Fill(particle->P() , MCKinkAngle2);// MC
570//
571 mcProcess=daughter1->GetUniqueID();
572 radiusD=daughter1->R();
573// secondary vertex
574 // Double_t hVx=daughter1->Vx();
575 // Double_t hVy=daughter1->Vy();
576 Double_t hVz=daughter1->Vz();
577
578 LengthK = TMath::Sqrt( radiusD*radiusD + ( mVz-hVz) * (mVz-hVz) ); // 19/7/2010 mss
579
580// lengthK = TMath::Sqrt( (mVx -hVx)*( mVx -hVx) + ( mVy -hVy)* (mVy -hVy ) + ( mVz -hVz ) * (mVz -hVz) );
581 lenYuri = (TMath::Abs( mVz-hVz))* (TMath::Sqrt( 1.+ ( ptK*ptK)/ (particle->Pz() * particle->Pz()) )) ;
582
583 if(mcProcess==13) {
584 mcProc13++;
585
586 if(mcProc13==1) flifeInt ->Fill( (lengthKMC*0.493667 /particle->P())); // 19/7
587
588 // if( (charg==1)&&(mcProc13==1 )) fradIntKP->Fill(daughter1->R());
589
590 // if( ( charg ==-1)&&(mcProc13==1)) fradIntKM->Fill(daughter1->R());
591 }
592
593
594//
595 if (mcProcess==4) {
596
597 mcProc4++;
598 if ( mcProc4==1) {
599 // 10/1/13 if( (radiusD >120.)&&( radiusD< 210.) ) {
600 flifeYuri ->Fill( (lenYuri *0.493667 /particle->P())); // 19/7
601 flifetiMCK->Fill(LengthK);
602 flenYuri ->Fill(lenYuri);
603// 10/1/13 }
604
605 // flengthMCK->Fill(lengthK); //
606 // flifetime ->Fill( (lengthK*0.493667 /particle->P())); // 19/7
607 flengthMCK->Fill(lengthKMC); //
608 flifetime ->Fill( (lengthKMC*0.493667 /particle->P())); // 19/7
609 fradPtRapMC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
610 }
611
612
613//
614 if ( ( ( code==321 )&&( dcode ==-13 ))||( ( code ==-321)&&(dcode== 13) ) || ( ( code==321 )&&( dcode ==-11 )) || ( (code ==-321)&&(dcode== 11))) {
615 flifetim2 ->Fill( (lengthKMC*0.493667 /particle->P()));
616 // 8/2/2013allgh radius if( (radiusD >120.)&&( radiusD< 210.) )
617 // 14/2/13 if( (radiusD >130.)&&( radiusD< 200.) )
618 if( (radiusD >fKinkRadLow )&&( radiusD< fKinkRadUp) )
619 fmaxAngMomKmu->Fill(particle->P() , MCKinkAngle2);// MC
620 }
621
622 if (( (TMath::Abs(code)==321 )&&(TMath::Abs(dcode) ==211 ))&& ( mcProc4<2)) flifetim2->Fill( lengthKMC *0.493667 /particle->P()) ;//19/7
623
624 // test feb 2013 if ((TMath::Abs(hVz)<0.5) || (TMath::Abs(hVz )>225)) continue;
625/// inside radius region ----------------------------------------------
626 if(MCKinkAngle2 < 2.) continue; // as in ESD
627 // ====== 8/2/13 if (((daughter1->R())>120)&&((daughter1->R())<210)&& (MCQt>0.120) ){
628 if (((daughter1->R())> fKinkRadLow )&&((daughter1->R())< fKinkRadUp )&& (MCQt>0.040) ){
629
630 if ( ( code==321 )&&( dcode ==-13 )) {
631 fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
632 fradMC->Fill(daughter1->R());
633 fQtKMuMC ->Fill(MCQt );//to muon
634 fgenPtEtR->Fill( ptK );//to muon
635 fgenPtEtRP->Fill( ptK );//to muon
636 fMCEtaKaon ->Fill(rapidiKMC );//to muon
637 fSignPtEtaMC->Fill(ptK,rapidiKMC );//to muon
638 fSignPtMC->Fill(ptK);//to muon
639 flifetiMCK->Fill( lenYuri*0.4933667/particle->P() );
640 // flifetiMCK->Fill( LengthK*0.4933667/ ptK
641 } // positive kaon
642 if ( ( code ==-321)&&(dcode== 13)){
643 fgenPtEtR->Fill( ptK );//to muon
644 fQtKMuMC ->Fill(MCQt );//to muon
645 fgenPtEtRN->Fill(ptK); //
646 fSignPtEtaMC->Fill(chargPt,rapidiKMC );//to muon
647 fMCEtaKaon ->Fill(rapidiKMC );//to muon
648 fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
649 fradMC->Fill(daughter1->R());
650 fSignPtMC->Fill(chargPt);//to muon
651 flifetiMCK->Fill( lenYuri*0.4933667/particle->P() ) ;
652 // flifetiMCK->Fill( LengthK*0.4933667/ ptK ) ;
653
654 } // negative code
655 // if (( ( code==321 )&& ( dcode ==211 ))|| (( code == -321 )&& ( dcode ==-211))) fgenPtEtR->Fill( ptK );//to pion
656 if ( ( code==321 )&&( dcode ==-11 )) {
657 fQtKElMC ->Fill(MCQt );//to muon
658 fgenPtEtR->Fill( ptK );//to electron
659 fgenPtEtRP->Fill( ptK );//to muon
660 fMCEtaKaon ->Fill(rapidiKMC );//to electron
661 fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
662 fradMC->Fill(daughter1->R());
663 fSignPtEtaMC->Fill(ptK,rapidiKMC );//to electron
664 fSignPtMC->Fill(ptK);
665 flifetiMCK->Fill( lenYuri*0.4933667/particle->P() );
666 // flifetiMCK->Fill( LengthK*0.4933667/ ptK );
667
668 } // positive kaon
669 if ( ( code ==-321)&&(dcode== 11)){
670 fgenPtEtR->Fill( ptK );//to electron
671 fQtKElMC ->Fill(MCQt );//to muon
672 fgenPtEtRN->Fill(ptK); //
673 fSignPtEtaMC->Fill(chargPt,rapidiKMC );//to electron
674 fMCEtaKaon ->Fill(rapidiKMC );//to electron
675 fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
676 fradMC->Fill(daughter1->R());
677 fSignPtMC->Fill(chargPt);//to electron
678 flifetiMCK->Fill( lenYuri*0.4933667/particle->P() );
679 // flifetiMCK->Fill( LengthK*0.4933667/ ptK );
680
681 } // negative code
682
683 if (( ( code==321 )&& ( dcode ==211 ))|| (( code == -321 )&& ( dcode ==-211))) nMCKpi++ ;
684 if (( ( code==321 )&& ( dcode ==211 ))|| (( code == -321 )&& ( dcode ==-211))) {
685 if ( nMCKpi > 0) {
686 MCQt3[nMCKpi-1] = MCQt ;// k to pipipi
687}
688 }
689 nMCKinkKs++;
690 }
691
692 }// decay
693 } // positive k
694 }// daughters
695
696
697
698 if ( code > 0) {
699 if( nMCKpi == 1) fgenPtEtR->Fill(ptK); // k to pipi
700 if( nMCKpi == 1) fgenPtEtRP->Fill(ptK); // k to pipi
701 if( nMCKpi == 1) fSignPtEtaMC->Fill(ptK,rapidiKMC ); // k to pipi
702 if( nMCKpi == 1) fSignPtMC->Fill(ptK); // k to pipi
703 if( nMCKpi == 1) fMCEtaKaon->Fill(rapidiKMC ); // k to pipi
704 if(nMCKpi==1) fradMC->Fill(radiusD );
705 if(nMCKpi==1) fQtKPiMC->Fill( MCQt );
706 if (nMCKpi==1) fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
707 if(nMCKpi==1) flifetiMCK->Fill( lenYuri*0.4933667/particle->P() );
708 // if(nMCKpi==1) flifetiMCK->Fill( LengthK*0.4933667/ ptK );
709 } //positive kaon
710 //
711 if ( code < 0) {
712
713 if( nMCKpi == 1) fgenPtEtR->Fill( ptK ); // k to pipi
714 if( nMCKpi == 1) fgenPtEtRN->Fill(ptK); // k to pipi
715 if( nMCKpi == 1) fSignPtEtaMC->Fill(chargPt,rapidiKMC ); // k to pipi
716 if( nMCKpi == 1) fSignPtMC->Fill(chargPt); // k to pipi
717 if( nMCKpi == 1) fMCEtaKaon->Fill(rapidiKMC ); // k to pipi
718 if(nMCKpi==1) fradMC->Fill(radiusD );
719 if(nMCKpi==1) fQtKPiMC->Fill( MCQt );
720 if( nMCKpi== 1) fradPtRapDC->Fill( radiusD, 1./ptK, rapidiKMC); // systematics 26/8
721 if(nMCKpi==1) flifetiMCK->Fill( lenYuri*0.4933667/particle->P() );
722 // if(nMCKpi==1) flifetiMCK->Fill( LengthK*0.4933667/ ptK );
723
724 } //negative K
725
726 } /// kaons loop
727
728
729
730 nMCTracks++;
731 }// end of mc particle
732
733// Phys sel 2012 EFF calculation
734Bool_t isSelected =
735((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected()&AliVEvent::kMB;
736
737 if ( isSelected ==kFALSE) return; // 24/6/11 apo MF
738//
739 fMultiplMC->Fill(nPrim);
740//=======================================================================================
741// main vertex selection
742 const AliESDVertex *vertex=GetEventVertex(esd);
743 if(!vertex) return;
744///
745// fMultiplMC->Fill(nPrim);
746//
747/* / apo Alexander Feb 2012
748 AliESDpid *fESDpid = new AliESDpid();
749 if (!fESDpid) fESDpid =
750 ((AliESDInputHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->GetESDpid();
751*/ ///========================================================================
752// apo Eftihi
753 if(!fPIDResponse) {
754 AliAnalysisManager *man = AliAnalysisManager::GetAnalysisManager();
755 AliInputEventHandler* inputHandler =
756(AliInputEventHandler*)(man->GetInputEventHandler());
757 fPIDResponse = inputHandler->GetPIDResponse();
758 }
759
760
761 Double_t vpos[3];
762 vertex->GetXYZ(vpos);
763 fZpr->Fill(vpos[2]);
764 if ( TMath::Abs( vpos[2]) > 10. ) return; /// it is applied on ESD and generation
765
766 Double_t vtrack[3], ptrack[3];
767
768
769 // Int_t nESDTracK = 0;
770
771 Int_t nGoodTracks = esd->GetNumberOfTracks();
772//
773 fESDMult->Fill(nGoodTracks);
774
775//
776 Double_t nsigmall = 100.0;
777 Double_t nsigma = 100.0;
778 Double_t nsigmaPion =-100.0;
779 Double_t nsigmaPi=-100.0;
780 // Double_t dEdxDauMC = 0.0;
781
782//
783for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
784
785 AliESDtrack* trackD = esd->GetTrack(iTrack);
786 if (!trackD) {
787 Printf("ERROR: Could not receive track %d", iTrack);
788 continue;
789 }
790
791 // Int_t indexKinkDau=trackD->GetKinkIndex(0);
792// daughter kink
793 nsigmaPion = (fPIDResponse->NumberOfSigmasTPC(trackD , AliPID::kPion));// 26/10 eftihis
794 // nsigmaPion= (fESDpid->NumberOfSigmasTPC(trackD,AliPID::kPion));
795 // 22/11/12 if((indexKinkDau >0)&& (nsigmaPion>1.2)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
796 //if((indexKinkDau >0)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
797// if((indexKinkDau >0)) dEdxDauMC = trackD->GetTPCsignal() ; // daughter kink
798 }
799
800// loop on ESD tracks
801
802//
803 for (Int_t iTracks = 0; iTracks < esd->GetNumberOfTracks(); iTracks++) {
804
805 AliESDtrack* track = esd->GetTrack(iTracks);
806 if (!track) {
807 Printf("ERROR: Could not receive track %d", iTracks);
808 continue;
809 }
810
811
812
813// sigmas
814 nsigmall = (fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
815// nsigma = TMath::Abs(fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
816 // nsigmall = (fESDpid->NumberOfSigmasTPC(track,AliPID::kKaon));
817 nsigma = TMath::Abs(fPIDResponse->NumberOfSigmasTPC(track, AliPID::kKaon));
818
819//==================================
820 Float_t nCrossedRowsTPC = track->GetTPCClusterInfo(2,1);
821 Float_t ratioCrossedRowsOverFindableClustersTPC = 1.0;
822 if (track->GetTPCNclsF()>0) {
823 ratioCrossedRowsOverFindableClustersTPC = nCrossedRowsTPC / track->GetTPCNclsF();
824 fRatioCrossedRows->Fill(ratioCrossedRowsOverFindableClustersTPC);
825 }
826
827 fHistPt->Fill(track->Pt());
828
829
830 Double_t tpcNCl = track->GetTPCclusters(0); //
831 //Int_t tpcNCl = track->GetTPCclusters(0); //
832 Double_t tpcSign = track->GetSign(); //
833
834 Int_t label = track->GetLabel();
835
836 label = TMath::Abs(label);
837
838 if(label > mcEvent->GetNumberOfTracks()) continue; //
839
840 TParticle * part = stack->Particle(label);
841 if (!part) continue;
842// loop only on Primary tracks
843 if (label > nPrim) continue; /// primary tracks only ,21/3/10 EFF study
844
845 // pt cut
846 if ( (track->Pt())<.200)continue; //12/2/2012 -------------------------------------------
847
848 UInt_t status=track->GetStatus();
849
850 if((status&AliESDtrack::kITSrefit)==0) continue;
851 if((status&AliESDtrack::kTPCrefit)==0) continue; //6 feb
852 // if((track->GetTPCchi2()/track->GetTPCclusters(0))>3.8) continue;
853 //if((track->GetTPCchi2()/track->GetTPCclusters(0))>4.5) continue; // test 10/3/2012
854 if((track->GetTPCchi2()/track->GetTPCclusters(0))>4.0) continue; // test 10/3/2012
855
856 Double_t extCovPos[15];
857 track->GetExternalCovariance(extCovPos);
858//
859
860
861 track->GetXYZ(vtrack);
862 fXvYv->Fill(vtrack[0],vtrack[1]);
863 fZvYv->Fill(vtrack[0],vtrack[2]);
864 fZvXv->Fill(vtrack[1],vtrack[2]);
865
866// track momentum
867 track->GetPxPyPz(ptrack);
868
869 TVector3 trackMom(ptrack[0],ptrack[1],ptrack[2]);
870
871 Double_t etracK= TMath::Sqrt(trackMom.Mag()*trackMom.Mag() + 0.493677 *0.493677 );
872 Double_t rapiditK = 0.5 * (TMath::Log( (etracK + ptrack[2] ) / ( etracK - ptrack[2]) )) ;
873 Double_t trackEta=trackMom.Eta();
874 // Double_t trMoment= trackMom.Mag();
875 Double_t trackPt = track->Pt();
876
877
878 Float_t bpos[2];
879 Float_t bCovpos[3];
880 track->GetImpactParameters(bpos,bCovpos);
881
882 if (bCovpos[0]<=0 || bCovpos[2]<=0) {
883 Printf("Estimated b resolution lower or equal zero!");
884 bCovpos[0]=0; bCovpos[2]=0;
885 }
886
887 Float_t dcaToVertexXYpos = bpos[0];
888// Float_t dcaToVertexZpos = bpos[1];
889
890 //fRpr->Fill(dcaToVertexZpos);
891 fRpr->Fill(dcaToVertexXYpos);
892
893 //if((TMath::Abs(dcaToVertexXYpos) >0.3)||(TMath::Abs(dcaToVertexZpos)>2.5)) continue; // 22/7/11
894 // if((TMath::Abs(dcaToVertexXYpos) >0.24)||(TMath::Abs(dcaToVertexZpos)>2.5)) continue; // 12/2/13
895 if (!fMaxDCAtoVtxCut->AcceptTrack(track)) continue;
896
897
898 // cut on eta
899 // if( (TMath::Abs(trackEta )) > 0.9 ) continue;
900 if( (TMath::Abs(rapiditK )) > 0.7 ) continue; //// rapid K, Feb 20
901 fHistPtESD->Fill(track->Pt());
902
903 // Add Kink analysis
904
905 Int_t indexKinkPos=track->GetKinkIndex(0);
906// loop on mother kinks
907 if(indexKinkPos<0){
908 fPtKink->Fill(track->Pt()); /// pt from track
909
910 fRatioCrossedRowsKink->Fill(ratioCrossedRowsOverFindableClustersTPC);
911
912 // select kink class
913
914 AliESDkink *kink=esd->GetKink(TMath::Abs(indexKinkPos)-1);
915//
916
917// DCA kink
918 Double_t Dist2 = kink->GetDistance();
919 // fDCAkink->Fill( Dist2 );
920//
921 Int_t eSDfLabel1=kink->GetLabel(0);
922 TParticle *particle1= stack->Particle(TMath::Abs(eSDfLabel1));
923 Int_t code1= particle1->GetPdgCode();
924 // Int_t mcProcssMo= particle1->GetUniqueID();
925
926 Int_t eSDfLabeld=kink->GetLabel(1);
927 TParticle *particled= stack->Particle(TMath::Abs(eSDfLabeld));
928 Int_t dcode1= particled->GetPdgCode();
929 Int_t mcProcssDa= particled->GetUniqueID();
930//
931// loop on MC daugthres for 3Pi 24/9/2010
932 Int_t nESDKpi =0;
933 if(mcProcssDa==4) {
934 Int_t firstDa=particle1->GetFirstDaughter();
935 Int_t lastDa=particle1->GetLastDaughter();
936
937 if( (lastDa<=0) || (firstDa<=0) ) continue;
938
939 if ( lastDa > mcEvent->GetNumberOfTracks() ) continue;
940 if (firstDa > mcEvent->GetNumberOfTracks() ) continue;
941//loop on secondaries
942 for (Int_t kk=firstDa;kk<=lastDa;kk++) {
943 if ( kk > 0 ) {
944 TParticle* daughter3=stack->Particle(kk); // 24/9
945 Float_t dcode3= daughter3->GetPdgCode();
946 if (( ( code1==321 )&& ( dcode3==211 ))|| (( code1 == -321 )&& ( dcode3==-211))) nESDKpi++ ;
947 }
948 }
949 }
950//---------------------------edw telos 9/2010
951 Double_t hVzdau=particled->Vz();
952
953 const TVector3 motherMfromKink(kink->GetMotherP());
954 const TVector3 daughterMKink(kink->GetDaughterP());
955 Float_t qT=kink->GetQt();
956 // Float_t motherPt=motherMfromKink.Pt();
957// Kink mother momentum
958// Double_t trMomTPCKink=motherMfromKink.Mag();
959// TPC mother momentun
960 // Double_t trMomTPC=track->GetTPCmomentum();
961 // Float_t etaMother=motherMfromKink.Eta();
962
963
964 fHistQtAll->Fill(qT) ; // Qt distr
965
966 const TVector3 vposKink(kink->GetPosition());
967 fPosiKink ->Fill( vposKink[0], vposKink[1] );
968
969 Double_t dxKink = vpos[0]-vposKink[0], dyKink=vpos[1]-vposKink[1], dzKink=vpos[2]-vposKink[2] ;
970 // Double_t dzKink=vpos[2]-vposKink[2] ; /// ??
971 Double_t lifeKink= TMath::Sqrt( dxKink*dxKink + dyKink*dyKink + dzKink*dzKink ) ;
972
973 Double_t tanLamda = track-> GetTgl() ;// ??
974 if (tanLamda ==0 ) continue;// ??
975 Double_t lenHelx = (TMath::Abs(dzKink ) ) *(TMath::Sqrt( 1. + tanLamda *tanLamda ) ) / ( TMath::Abs( tanLamda)) ;// ??
976
977
978
979
980 Float_t kinkAngle=TMath::RadToDeg()*kink->GetAngle(2);
981
982// fake kinks, small Qt and small kink angle
983 if(( kinkAngle<1.)) fHistQt1 ->Fill(qT) ; // Qt distr
984//
985 if( ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==321))) fFakeKPi->Fill(track->Pt());
986 if( ( (TMath::Abs(code1)==211)&&(TMath::Abs(dcode1)==211))) fFakepipi->Fill(track->Pt());
987//
988
989//remove the double taracks
990 if( (kinkAngle<2.) ) continue; // test 15/7 2010 , it removes 3 from 10000 good Kaons
991 // BG ?????==============
992 if ( TMath::Abs(vposKink[2]) > 225. ) continue ;
993 if ( TMath::Abs(vposKink[2]) < 0.5 ) continue ;
994
995 fPtCut1 ->Fill(trackPt );
996 fChi2NclTPC->Fill( (track->GetTPCchi2() ) , tpcNCl );
997
998 Float_t signPt= tpcSign*trackPt;
999//
1000 if ( (TMath::Abs(code1)==211)&&(TMath::Abs(dcode1)==13))
1001 fRadiusPtPion->Fill( kink->GetR(), track->Pt()); //
1002
1003 if( ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==13))||
1004 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==11)) ||
1005 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==211)) ) {
1006 fRadiusPtKaon->Fill( kink->GetR(), track->Pt()); //
1007 }
1008//
1009 // ======8/1/13 if((kink->GetR()>120.)&&(kink->GetR()<210.)&&(TMath::Abs(rapiditK)<0.7)&&(label<nPrim)) {
1010 if((kink->GetR()> fKinkRadLow )&&(kink->GetR()< fKinkRadUp )&&(TMath::Abs(rapiditK)<0.7)&&(label<nPrim)) {
1011 if( ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==13))) fQtKMu->Fill(qT);
1012 if ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==11)) fQtKEl->Fill(qT);
1013 if ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==211)) fQtKPi->Fill(qT);
1014 if (( nESDKpi>1) && ( ((code1)==321)&&((dcode1)==211)) ) fQtK3PiP->Fill(qT);
1015 if (( nESDKpi>1) && ( ((code1)==-321)&&((dcode1)==-211)) ) fQtK3PiM->Fill(qT);
1016 if( ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==13))||
1017 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==11)) ||
1018 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==211)) ) {
1019 if(qT>fLowQt) fHistPtKPDG->Fill(track->Pt()); // ALL KAONS (pdg) inside ESD kink sample
1020 if(qT>fLowQt ) {
1021 if(code1>0.) fHiPtKPDGP->Fill(trackPt ); // 26/feb // ALL KAONS (pdg) inside ESD kink sample
1022 if(code1<0.) fHiPtKPDGN->Fill( trackPt ); // 26/feb // ALL KAONS (pdg) inside ESD kink sample
1023 }
1024 fHistEta->Fill(trackEta) ; // Eta distr of PDG kink ESD kaons
1025 frapidESDK->Fill(rapiditK) ; //18/feb rapiddistr of PDG kink ESD kaons
1026 if( qT > fLowQt ) fHistQt2->Fill(qT); // PDG ESD kaons
1027 fRadiusPt->Fill( kink->GetR(), track->Pt()); //
1028 }
1029 }
1030
1031
1032 //Double_t maxDecAngKmu=f1->Eval(motherMfromKink.Mag(),0.,0.,0.);
1033 Double_t maxDecAngKmu=f1->Eval(track->P(), 0.,0.,0.);
1034 Double_t maxDecAngpimu=f2->Eval(track->P(), 0.,0.,0.);
1035// two dimensional plot
1036 if(TMath::Abs(code1)==321) fAngMomK->Fill(track->P(), kinkAngle);
1037 if(TMath::Abs(code1)==211) fAngMomPi->Fill( track->P(), kinkAngle);
1038//_______
1039
1040//
1041// invariant mass of mother track decaying to mu
1042 Float_t energyDaughterMu=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.105658*0.105658);
1043 Float_t energyDaughterPi=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.139570*0.139570);
1044 Float_t energyDaughterKa=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.493677*0.493677);
1045// Float_t energyDaughterPr=TMath::Sqrt(daughterMKink.Mag()*daughterMKink.Mag()+0.938658*0.938658);
1046 Float_t p1XM= motherMfromKink.Px();
1047 Float_t p1YM= motherMfromKink.Py();
1048 Float_t p1ZM= motherMfromKink.Pz();
1049 Float_t p2XM= daughterMKink.Px();
1050 Float_t p2YM= daughterMKink.Py();
1051 Float_t p2ZM= daughterMKink.Pz();
1052 Float_t p3Daughter=TMath::Sqrt(((p1XM-p2XM)*(p1XM-p2XM))+((p1YM-p2YM)*(p1YM-p2YM))+((p1ZM-p2ZM)*(p1ZM-p2ZM)));
1053 Double_t invariantMassKmu= TMath::Sqrt((energyDaughterMu+p3Daughter)*(energyDaughterMu+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag());
1054 Double_t invariantMassKpi= TMath::Sqrt((energyDaughterPi+p3Daughter)*(energyDaughterPi+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag());
1055 Double_t invariantMassKK = TMath::Sqrt((energyDaughterKa+p3Daughter)*(energyDaughterKa+p3Daughter)-motherMfromKink.Mag()*motherMfromKink.Mag());
1056 fInvMassMuNuAll ->Fill(invariantMassKmu);
1057 // 20/4 testRadiusPt->Fill( kink->GetR(), track->Pt()); //
1058
1059
1060 if (qT> fLowQt ) fSignPtNcl->Fill( signPt , tpcNCl );
1061
1062//
1063 // if((qT>0.12)&&((kink->GetR()>120.)&&(kink->GetR()<210.))&&(TMath::Abs(rapiditK )<0.7)) {
1064 if((qT> fLowQt )&&((kink->GetR()> fKinkRadLow )&&(kink->GetR()< fKinkRadUp ))&&(TMath::Abs(rapiditK )<0.7)) {
1065 fM1kaon->Fill(invariantMassKmu);
1066 fMinvPi->Fill(invariantMassKpi);
1067 fMinvKa->Fill(invariantMassKK);
1068 fRadiusNcl->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
1069 }
1070
1071//
1072 // if ( tpcNCl<30 ) continue;
1073 // test for systematics , march 13 if ( tpcNCl<50. ) continue;
1074 if ( tpcNCl<fLowCluster ) continue;
1075 // if ( ( tpcNCl<20. )|| ( tpcNCl > 100.) ) continue;// test , den edwse kati shmantiko
1076
1077 //if( ( ( track->GetTPCclusters(0) ) / (kink->GetR() ) ) > 0.63 ) continue;
1078 Double_t tpcNClHigh = -51.67+ (11./12.) *( kink->GetR() ) ;
1079 if (tpcNCl > tpcNClHigh ) fcodeH->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1080 if ( tpcNCl >tpcNClHigh) fZkinkZDau->Fill( vposKink[2],hVzdau );
1081 if (tpcNCl > tpcNClHigh) fRadiusPtFake->Fill( kink->GetR(), track->Pt()); //
1082
1083 Double_t tpcNClMin = -85.5 + (65./95.) *( kink->GetR() ) ;
1084 // if ( tpcNClMin < tpcNCl ) continue;
1085 if ( tpcNCl > tpcNClHigh) continue;
1086 if ( tpcNCl < tpcNClMin ) continue;
1087 //
1088
1089// kaon selection from kinks
1090
1091 //===== 8/2/13 if((kinkAngle>maxDecAngpimu)&&(qT>0.12)&&(qT<0.30)&&((kink->GetR()>120.)&&(kink->GetR()<210.))&&(TMath::Abs(rapiditK )<0.7)&&(invariantMassKmu<0.8)) {
1092 if((kinkAngle>maxDecAngpimu)&&(qT>fLowQt )&&(qT<0.30)&&((kink->GetR()> fKinkRadLow )&&(kink->GetR()< fKinkRadUp ))&&(TMath::Abs(rapiditK )<0.7)&&(invariantMassKmu<0.8)) {
1093// 29092010 if((kinkAngle>maxDecAngpimu)&&(qT>0.120)&&(qT<0.25)&&((kink->GetR()>120.)&&(kink->GetR()<210.))&&(TMath::Abs(rapiditK )<0.7)&&(invariantMassKmu<0.6)) {
1094// if((kinkAngle>maxDecAngpimu)&&(qT>0.04)&&(qT<0.30)&&((kink->GetR()>133.)&&(kink->GetR()<179.))&&(TMath::Abs(rapiditK )<0.5)&&(invariantMassKmu<0.6)) {
1095
1096 fAngMomKKinks->Fill(track->P(), kinkAngle);
1097 fPtCut2 ->Fill(trackPt );
1098
1099 if ( (kinkAngle>maxDecAngKmu*0.98)&& ( track->P() > 1.2 ) ) continue; // maximum angle s
1100 if ( (kinkAngle<maxDecAngpimu*1.20) ) continue; // maximum angle s
1101
1102 fPtCut3 ->Fill(trackPt );
1103 //fTPCSgnlPa->Fill(track->P(),track->GetTPCsignal());
1104 fTPCSgnlPa->Fill(track->GetInnerParam()->GetP(),track->GetTPCsignal());
1105 // if( nsigma > 3.5 ) fcode2->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1106 if(nsigma > 3.5) continue; // 1/11/12
1107 // test 16/2/13 if(nsigma > 3.5) continue; // 15/2/13
1108 // if(nsigma > 4.0) continue; // test 17/2/2011 4% or more ? bg?
1109//
1110 fTPCSgnlP->Fill(track->GetInnerParam()->GetP(), (track->GetTPCsignal() ) ) ;
1111
1112 fInvMassMuNuPt ->Fill(invariantMassKmu, trackPt);
1113// loop on kink daughters inside mother's loop
1114 Int_t ESDLabelM = 0. ;
1115 Int_t ESDLabelD = 0. ;
1116 Double_t dEdxDauMC = 0.0;
1117 Double_t raDAU=0.;
1118 Int_t Ikink =0;
1119 Int_t IRkink =0;
1120for (Int_t jTrack = 0; jTrack < esd->GetNumberOfTracks(); jTrack++) {
1121
1122 AliESDtrack* trackDau = esd->GetTrack(jTrack);
1123 if (!trackDau) {
1124 Printf("ERROR: Could not receive track %d", jTrack);
1125 continue;
1126 }
1127 Int_t indexKinkDAU =trackDau->GetKinkIndex(0);
1128 if (indexKinkDAU <0 ){
1129 AliESDkink *kinkDau=esd->GetKink(TMath::Abs(indexKinkDAU)-1);
1130 raDAU= kinkDau->GetR();
1131 ESDLabelM=kinkDau->GetLabel(0); // mothers's label
1132 ESDLabelM = TMath::Abs(ESDLabelM);
1133 ESDLabelD=kinkDau->GetLabel(1); // Daughter'slabel
1134 ESDLabelD = TMath::Abs(ESDLabelD);
1135 if ( kink->GetR() == kinkDau->GetR() ) IRkink++;
1136 if ( ESDLabelM == label ) Ikink++ ;
1137 }
1138 // if (( ESDLabelM== eSDfLabel1)) {
1139 if ( (Ikink >0) && (IRkink>0 ) ) {
1140// daughter kink
1141 //if(indexKinkDAU >0) nsigmaPi = (fPIDResponse->NumberOfSigmasTPC(trackDau,AliPID::kPion));// 26/10 eftihis
1142 if(indexKinkDAU >0) nsigmaPi = (fPIDResponse->NumberOfSigmasTPC(trackDau,AliPID::kKaon));// 26/10 eftihis
1143 // nsigmaPion= (fESDpid->NumberOfSigmasTPC(trackD,AliPID::kPion));
1144 // 22/11/12 if((indexKinkDau >0)&& (nsigmaPion>1.2)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
1145 //if((indexKinkDau >0)) fTPCSgnlKinkDau->Fill(trackD->P(), (trackD->GetTPCsignal() ) ) ; // daughter kink
1146 if((indexKinkDAU >0)) dEdxDauMC = trackDau->GetTPCsignal() ; // daughter kink
1147 }
1148 }
1149// end internal loop for kink daughters
1150
1151 // fTPCSgnlP->Fill(trMomTPC , (track->GetTPCsignal() ) ) ;
1152 // fTPCSgnlPtpc->Fill(trMomTPC , (track->GetTPCsignal() ) ) ;
1153 //fMothKinkMomSgnl ->Fill(trMomTPCKink , (track->GetTPCsignal() ) ) ;
1154 // fMothKinkMomSgnl ->Fill( dEdxDauMC , (track->GetTPCsignal() ) ) ;
1155 // fTPCMomNSgnl->Fill(trMomTPC ,pidResponse->NumberOfSigmasTPC(track, AliPID::kKaon) );
1156 fNSigmTPC ->Fill(nsigmall );
1157// daughter selection
1158 //fTPCSgnlKinkDau->Fill( daughterMKink.Mag() , dEdxDauMC ) ; // daughter kink
1159 // if( nsigmaPion > 1.0 ) fcode4->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1160 // if( dEdxDauMC > 1.5 *(track->GetTPCsignal() ) ) fcode4->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1161//
1162 //fTPCMomNSgnl->Fill(trMomTPC ,nsigmall );
1163 fTPCMomNSgnl->Fill(track->GetInnerParam()->GetP() ,nsigmall );
1164//
1165
1166 fRadNclcln->Fill( (kink->GetR()) ,(track->GetTPCclusters(0) ) ) ;
1167 fRadiusPtcln->Fill( kink->GetR(), trackPt); //
1168
1169 fAngMomKC->Fill(track->P() , kinkAngle);
1170 fHistPtKaon->Fill(track->Pt() ); //all PID kink-kaon
1171 if( code1>0.) fHistPtKaoP->Fill(track->Pt() ); //all PID kink-kaon
1172 if( code1<0.) fHistPtKaoN->Fill(track->Pt() ); //all PID kink-kaon
1173// systematics
1174 fradPtRapESD->Fill(kink->GetR(), 1./ track->Pt(), rapiditK);
1175//
1176 fHistEtaK->Fill(rapiditK );
1177 frad->Fill( kink->GetR() );
1178 flenHelx->Fill( lenHelx ); //??
1179 flifeKink ->Fill(lifeKink );//??
1180 fLHelESDK ->Fill( ( lenHelx /track->P() )*0.493677);// for all 'PID' kaons 31/7/11// ??
1181 flifTiESDK->Fill( ( lifeKink /track->P() )*0.493677); // ??
1182
1183
1184
1185 fSignPtNcl->Fill( signPt , tpcNCl );
1186 fSignPtEta->Fill(signPt , rapiditK );
1187 fEtaNcl->Fill(rapiditK, tpcNCl );
1188 fSignPt->Fill( signPt );
1189 fRatChi2Ncl-> Fill((track->GetTPCchi2()/track->GetTPCclusters(0) )) ;
1190 fdcatoVxXY->Fill(dcaToVertexXYpos);
1191
1192// kaons from k to mun and k to pipi and to e decay
1193 if( ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==13))||
1194 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==11)) ||
1195 ( (TMath::Abs(code1)==321)&&(TMath::Abs(dcode1)==211)) ) {
1196
1197 if ( label<=nPrim ) fPtPrKink->Fill(track->Pt());
1198
1199 // flifetim2 ->Fill( ( lenHelx /track->P() )*0.493667); // to compare with fLHelESDK
1200 flifTiESDK->Fill( ( lifeKink /track->P() )*0.493667);
1201
1202
1203
1204 fKinkKaon->Fill(track->Pt());
1205 fDCAkink->Fill( Dist2 );
1206 fPosiKinkK->Fill( vposKink[0], vposKink[1] );
1207 fPosiKinKXZ->Fill( vposKink[0], vposKink[2] );
1208 fPosiKinKYZ->Fill( vposKink[1], vposKink[2] );
1209 if( code1>0.) fkinkKaonP->Fill(trackPt); // kPtPID kink-kaon
1210 if( code1<0.) fkinkKaonN->Fill(trackPt); // PID kink-kaon
1211// daughters
1212 if((((nsigmaPi) > 0.)&& ( dEdxDauMC > 70. ) )) fcode4->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1213 if ( TMath::Abs(dEdxDauMC - track->GetTPCsignal() ) < 2) fcode2->Fill( TMath::Abs(code1), TMath::Abs(dcode1));
1214 // fTPCSgnlPtpc->Fill(trMomTPC , (track->GetTPCsignal() ) ) ;
1215 fTPCSgnlPtpc ->Fill( daughterMKink.Mag() , dEdxDauMC ) ; // daughter kink
1216 fMothKinkMomSgnlD->Fill( dEdxDauMC , (track->GetTPCsignal() ) ) ;
1217 }
1218 else {
1219 fKinkKaonBg->Fill(track->Pt());
1220 fMothKinkMomSgnl ->Fill( dEdxDauMC , (track->GetTPCsignal() ) ) ;
1221// fTPCSgnlKinkDau->Fill( daughterMKink.Mag() , dEdxDauMC ) ; // daughter kink
1222 // if( dEdxDauMC > 1.5 *(track->GetTPCsignal() ) ) fcode4->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1223 // if(( (track->P())<1. )&& ( dEdxDauMC > 1.5 *(track->GetTPCsignal() ) )) fcodeDau1 ->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1224 if( (( nsigmaPi) > 0. ) && (( dEdxDauMC > 70 ) )) fcodeDau1 ->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1225 if ( TMath::Abs(dEdxDauMC - track->GetTPCsignal() ) < 2) fcodeDau2->Fill( TMath::Abs(code1), TMath::Abs(dcode1));
1226 fTPCSgnlKinkDau->Fill( daughterMKink.Mag() , dEdxDauMC ) ; // daughter kink
1227//
1228 fMinvPr->Fill(invariantMassKmu);
1229//
1230 fDCAkinkBG->Fill( Dist2 );
1231 fPosiKinKBgXY->Fill( vposKink[0], vposKink[1] );
1232 fPosiKinKBgZY->Fill( vposKink[2], vposKink[1] );
1233 fPosiKinKBgZX->Fill( vposKink[2], kink->GetR() ); // 31/7/11
1234 if( code1>0.) fKinKBGP ->Fill( trackPt ); //all PID kink-kaon
1235 if( code1<0.) fKinKBGN ->Fill( trackPt ); //all PID kink-kaonl
1236 fdcodeH->Fill( TMath::Abs(code1), TMath::Abs(dcode1)); // put it here, 22/10/2009
1237 // if (eSDfLabel1==eSDfLabeld) fcodeH->Fill(TMath::Abs(code1), TMath::Abs(dcode1));
1238 // if (eSDfLabeld>nPrim ) fZkinkZDau->Fill( vposKink[2],hVzdau );
1239
1240 } // primary and all +BG
1241
1242 } // kink selection
1243
1244
1245 } //End Kink Information
1246
1247
1248 } //track loop
1249
1250// } // vx 10 cm only on esd
1251 PostData(1, fListOfHistos);
1252
1253}
1254
1255//________________________________________________________________________
1256void AliAnalysisKinkESDMC::Terminate(Option_t *)
1257{
1258 // Draw result to the screen
1259 // Called once at the end of the query
1260
1261}
1262
1263const AliESDVertex* AliAnalysisKinkESDMC::GetEventVertex(const AliESDEvent* esd) const
1264 // Get the vertex from the ESD and returns it if the vertex is valid
1265
1266{
1267 // Get the vertex
1268
1269// 10/4 const AliESDVertex* vertex = esd->GetPrimaryVertex();
1270 const AliESDVertex* vertex = esd->GetPrimaryVertexTracks();
1271
1272 //if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>2)) return vertex;
1273 if((vertex->GetStatus()==kTRUE)) return vertex;
1274 else
1275 {
1276 vertex = esd->GetPrimaryVertexSPD();
1277 if((vertex->GetStatus()==kTRUE)&&(vertex->GetNContributors()>0)) return vertex;
1278 // if((vertex->GetStatus()==kTRUE)) return vertex;
1279 else
1280 return 0;
1281 }
1282}