--- /dev/null
+
+#include "AliAnalysisNucleiMass.h"
+
+// ROOT includes
+#include <TMath.h>
+#include "TChain.h"
+
+// AliRoot includes
+#include "AliInputEventHandler.h"
+#include "AliAODEvent.h"
+#include "AliESDEvent.h"
+#include "AliVEvent.h"
+#include "AliAODTrack.h"
+#include "AliAODPid.h"
+#include "AliCentrality.h"
+#include "TH2F.h"
+#include "TH2D.h"
+#include "TH1F.h"
+#include "TF1.h"
+#include "TGraph.h"
+#include "TProfile.h"
+#include "AliESDtrackCuts.h"
+#include "AliAnalysisManager.h"
+
+ClassImp(AliAnalysisNucleiMass)
+
+//_____________________________________________________________________________
+AliAnalysisNucleiMass::AliAnalysisNucleiMass():
+ AliAnalysisTaskSE(),
+ fMC(kFALSE),
+ FilterBit(16),
+ NminTPCcluster(0),
+ DCAzCUT(100),
+ DCAxyCUT(0.1),
+ kTPCcut(kTRUE),
+ kTPC(0),
+ kTOF(0),
+ fAOD(NULL),
+ fESD(NULL),
+ fEvent(NULL),
+ fPIDResponse(NULL),
+ fList1(new TList()),
+ hNevent(NULL),
+ hZvertex(NULL),
+ fBetaTofVSp(NULL),
+ hTOFSignalPion(NULL)
+{
+ // Default constructor (should not be used)
+ fList1->SetName("results");
+}
+//______________________________________________________________________________
+AliAnalysisNucleiMass::AliAnalysisNucleiMass(const char *name):
+ AliAnalysisTaskSE(name),
+ fMC(kFALSE),
+ FilterBit(16),
+ NminTPCcluster(0),
+ DCAzCUT(100),
+ DCAxyCUT(0.1),
+ kTPCcut(kTRUE),
+ kTPC(0),
+ kTOF(0),
+ fAOD(NULL),
+ fESD(NULL),
+ fEvent(NULL),
+ fPIDResponse(NULL),
+ fList1(new TList()),
+ hNevent(NULL),
+ hZvertex(NULL),
+ fBetaTofVSp(NULL),
+ hTOFSignalPion(NULL)
+{
+ DefineOutput(1, TList::Class());
+ fList1->SetName("results");
+}
+//_____________________________________________________________________________
+AliAnalysisNucleiMass::~AliAnalysisNucleiMass()
+{
+ if(fList1) delete fList1;
+}
+//______________________________________________________________________________
+void AliAnalysisNucleiMass::UserCreateOutputObjects()
+{
+
+ hNevent = new TH1F("hNevent","Centrality",20,0,100);
+
+ hZvertex = new TH1F("hZvertex","Vertex distribution of accepted events; z vertex (cm)",120,-15,15);
+
+ hTOFSignalPion = new TH1F("hTOFSignalPion","TOF signal 0.9<p_{T}<1.0; t-t_{exp}^{#pi} (ps)",1500,-1500,1500);
+
+ fdEdxVSp[0] = new TH2F("fdEdxVSp","dE/dx vs p; p/|Z| (GeV/c); dE/dx_{TPC} (a.u.)",500,0,5,2000,0,1000);
+ fdEdxVSp[1] = new TH2F("fdEdxVSp_pos","dE/dx vs p positive charge; p/|Z| (GeV/c); dE/dx_{TPC} (a.u.)",500,0,5,2000,0,1000);
+ fdEdxVSp[2] = new TH2F("fdEdxVSp_neg","dE/dx vs p negative charge; p/|Z| (GeV/c); dE/dx_{TPC} (a.u.)",500,0,5,2000,0,1000);
+
+ fBetaTofVSp = new TH2F("fBetaTofVSp","#beta_{TOF} vs p; p(GeV/c); #beta_{TOF}",1000,0,5,1300,0.4,1.05);
+
+ fM2vsP_NoTpcCut[0] = new TH2F("fM2vsP_NoTpcCut","M_{TOF}^{2} vs p; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+ fM2vsP_NoTpcCut[1] = new TH2F("fM2vsP_NoTpcCut_Positive","M_{TOF}^{2} vs p Pos Part; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+ fM2vsP_NoTpcCut[2] = new TH2F("fM2vsP_NoTpcCut_Negative","M_{TOF}^{2} vs p Neg Part; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+
+ fM2vsP_NoTpcCut_DCAxyCut[0] = new TH2F("fM2vsP_NoTpcCut_DCAxycut","M_{TOF}^{2} vs p with DCAxy cut; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+ fM2vsP_NoTpcCut_DCAxyCut[1] = new TH2F("fM2vsP_NoTpcCut_Positive_DCAxycut","M_{TOF}^{2} vs p Pos Part with DCAxy cut; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+ fM2vsP_NoTpcCut_DCAxyCut[2] = new TH2F("fM2vsP_NoTpcCut_Negative_DCAxycut","M_{TOF}^{2} vs p Neg Part with DCAxy cut; M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4}); p/|Z| (GeV/c)",8000,0,10,200,0,10);
+
+ fM2vsZ[0] = new TH2F("fM2vsZ","M_{TOF}^{2} vs Z^{2} Integrated p_{T};Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[1] = new TH2F("fM2vsZ_0.3pT0.5","M_{TOF}^{2} vs Z^{2} 0.3<pT<0.5;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[2] = new TH2F("fM2vsZ_0.5pT1.0","M_{TOF}^{2} vs Z^{2} 0.5<pT<1.0;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[3] = new TH2F("fM2vsZ_1.0pT1.5","M_{TOF}^{2} vs Z^{2} 1.0<pT<1.5;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[4] = new TH2F("fM2vsZ_1.5pT2.0","M_{TOF}^{2} vs Z^{2} 1.5<pT<2.0;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[5] = new TH2F("fM2vsZ_2.0pT2.5","M_{TOF}^{2} vs Z^{2} 2.0<pT<2.5;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[6] = new TH2F("fM2vsZ_2.5pT3.0","M_{TOF}^{2} vs Z^{2} 2.5<pT<3.0;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[7] = new TH2F("fM2vsZ_3.0pT3.5","M_{TOF}^{2} vs Z^{2} 3.0<pT<3.5;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[8] = new TH2F("fM2vsZ_3.5pT4.0","M_{TOF}^{2} vs Z^{2} 3.5<pT<4.0;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+ fM2vsZ[9] = new TH2F("fM2vsZ_4.0pT4.5","M_{TOF}^{2} vs Z^{2} 4.0<pT<4.5;Z;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4})",4000,-4,4,1000,0,10);
+
+
+ char namePart[9][30];
+ char namePart_par_TPC[9][40];
+ char namePart_title_TPC[9][120];
+
+ char namePart_par_TOF[9][40];
+ char namePart_title_TOF[9][120];
+
+ char namePart_par_ProfileTPC[9][40];
+ char namePart_title_ProfileTPC[9][80];
+
+ char namePart_par_ProfileTOF[9][40];
+ char namePart_title_ProfileTOF[9][80];
+
+
+ snprintf(namePart[0],20,"e");
+ snprintf(namePart[1],20,"#mu");
+ snprintf(namePart[2],20,"#pi");
+ snprintf(namePart[3],20,"K");
+ snprintf(namePart[4],20,"p");
+ snprintf(namePart[5],20,"d");
+ snprintf(namePart[6],20,"t");
+ snprintf(namePart[7],20,"He3");
+ snprintf(namePart[8],20,"He4");
+
+ for(Int_t i=0;i<9;i++) {
+ snprintf(namePart_par_TPC[i],40,"NsigmaTPC_%s",namePart[i]);
+ snprintf(namePart_title_TPC[i],120,"NsigmaTPC_%s;p_{T} (GeV/c);n_{#sigma_{TPC}}^{%s}",namePart[i],namePart[i]);
+
+ snprintf(namePart_par_TOF[i],40,"NsigmaTOF_%s",namePart[i]);
+ snprintf(namePart_title_TOF[i],120,"NsigmaTOF_%s;p_{T} (GeV/c);n_{#sigma_{TOF}}^{%s}",namePart[i],namePart[i]);
+
+ snprintf(namePart_par_ProfileTPC[i],40,"hDeDxExp_%s",namePart[i]);
+ snprintf(namePart_title_ProfileTPC[i],80,"hDeDxExp_%s;p (GeV/c);dE/dx_{TPC} (a.u.)",namePart[i]);
+
+ snprintf(namePart_par_ProfileTOF[i],40,"hBetaVsP_Exp_%s",namePart[i]);
+ snprintf(namePart_title_ProfileTOF[i],80,"hBetaVsP_Exp%s;p (GeV/c); #beta_{TOF}",namePart[i]);
+ }
+
+ for(Int_t i=0;i<9;i++) {
+ fNsigmaTPC[i] = new TH2F(namePart_par_TPC[i],namePart_title_TPC[i],250,0,5,200,-5,5);
+ fNsigmaTPC[i]->GetYaxis()->CenterTitle();
+ fNsigmaTOF[i] = new TH2F(namePart_par_TOF[i],namePart_title_TOF[i],250,0,5,200,-5,5);
+ fNsigmaTOF[i]->GetYaxis()->CenterTitle();
+ hDeDxExp[i] = new TProfile(namePart_par_ProfileTPC[i],namePart_title_ProfileTPC[i],500,0,5,0,1000,"");
+ hBetaExp[i] = new TProfile(namePart_par_ProfileTOF[i],namePart_title_ProfileTOF[i],400,0,5,0.4,1.05,"");
+ }
+
+ char namePart_par_TPCvsP_kTOFtrue[18][80];
+ char namePart_title_TPCvsP_kTOFtrue[18][120];
+
+ char name[18][30];
+
+ snprintf(name[0],20,"e^{+}");
+ snprintf(name[1],20,"#mu^{+}");
+ snprintf(name[2],20,"#pi^{+}");
+ snprintf(name[3],20,"K^{+}");
+ snprintf(name[4],20,"p");
+ snprintf(name[5],20,"d");
+ snprintf(name[6],20,"t");
+ snprintf(name[7],20,"He3");
+ snprintf(name[8],20,"He4");
+
+ snprintf(name[9],20,"e^{-}");
+ snprintf(name[10],20,"#mu^{-}");
+ snprintf(name[11],20,"#pi^{-}");
+ snprintf(name[12],20,"K^{-}");
+ snprintf(name[13],20,"#bar{p}");
+ snprintf(name[14],20,"#bar{d}");
+ snprintf(name[15],20,"#bar{t}");
+ snprintf(name[16],20,"#bar{He3}");
+ snprintf(name[17],20,"#bar{He4}");
+
+ for(Int_t iS=0;iS<18;iS++) {
+ snprintf(namePart_par_TPCvsP_kTOFtrue[iS],40,"NsigmaTPCvsP_kTOFout&&kTIME_%s",name[iS]);
+ snprintf(namePart_title_TPCvsP_kTOFtrue[iS],150,"NsigmaTPCvsP_kTOFout&&kTIME_%s;p (GeV/c);n_{#sigma_{TPC}}^{%s}",name[iS],name[iS]);
+ }
+
+ for(Int_t iS=0;iS<18;iS++) {
+ fNsigmaTPCvsP_kTOFtrue[iS] = new TH2F(namePart_par_TPCvsP_kTOFtrue[iS],namePart_title_TPCvsP_kTOFtrue[iS],250,0,5,200,-5,5);
+ fNsigmaTPCvsP_kTOFtrue[iS]->GetYaxis()->CenterTitle();
+ }
+
+ char name_par_MvsP[18][60];
+ char name_title_MvsP[18][150];
+
+ for(Int_t i=0;i<18;i++) {
+ snprintf(name_par_MvsP[i],60,"M2vsP_%s",name[i]);
+ snprintf(name_title_MvsP[i],150,"M_{TOF}^{2}_%s_2#sigma_TPCcut;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4});p/|Z| (GeV/c)",name[i]);
+ }
+
+ for (Int_t i=0;i<18;i++) fM2vsP[i] = new TH2F(name_par_MvsP[i],name_title_MvsP[i],8000,0,10,200,0,10);
+
+ char name_par_MvsP_DCAxyCut[18][60];
+ char name_title_MvsP_DCAxyCut[18][150];
+
+ for(Int_t i=0;i<18;i++) {
+ snprintf(name_par_MvsP_DCAxyCut[i],60,"M2vsP_DCAxyCut_%s",name[i]);
+ snprintf(name_title_MvsP_DCAxyCut[i],150,"M_{TOF}^{2}_%s_2#sigma_TPCcut_DCAxyCut;M_{TOF}^{2}/Z^{2} (GeV^{2}/c^{4});p/|Z| (GeV/c)",name[i]);
+ }
+
+ for (Int_t i=0;i<18;i++) fM2vsP_DCAxyCut[i] = new TH2F(name_par_MvsP_DCAxyCut[i],name_title_MvsP_DCAxyCut[i],8000,0,10,200,0,10);
+
+
+ Char_t par_name_nbin[nbin][30];
+
+ snprintf(par_name_nbin[0],30,"0.4<Pt<0.5");
+ snprintf(par_name_nbin[1],30,"0.5<Pt<0.6");
+ snprintf(par_name_nbin[2],30,"0.6<Pt<0.7");
+ snprintf(par_name_nbin[3],30,"0.7<Pt<0.8");
+ snprintf(par_name_nbin[4],30,"0.8<Pt<0.9");
+ snprintf(par_name_nbin[5],30,"0.9<Pt<1.0");
+ snprintf(par_name_nbin[6],30,"1.0<Pt<1.1");
+ snprintf(par_name_nbin[7],30,"1.1<Pt<1.2");
+ snprintf(par_name_nbin[8],30,"1.2<Pt<1.3");
+ snprintf(par_name_nbin[9],30,"1.3<Pt<1.4");
+ snprintf(par_name_nbin[10],30,"1.4<Pt<1.5");
+ snprintf(par_name_nbin[11],30,"1.5<Pt<1.6");
+ snprintf(par_name_nbin[12],30,"1.6<Pt<1.7");
+ snprintf(par_name_nbin[13],30,"1.7<Pt<1.8");
+ snprintf(par_name_nbin[14],30,"1.8<Pt<1.9");
+ snprintf(par_name_nbin[15],30,"1.9<Pt<2.0");
+ snprintf(par_name_nbin[16],30,"2.0<Pt<2.1");
+ snprintf(par_name_nbin[17],30,"2.1<Pt<2.2");
+ snprintf(par_name_nbin[18],30,"2.2<Pt<2.3");
+ snprintf(par_name_nbin[19],30,"2.3<Pt<2.4");
+ snprintf(par_name_nbin[20],30,"2.4<Pt<2.5");
+ snprintf(par_name_nbin[21],30,"2.5<Pt<2.6");
+ snprintf(par_name_nbin[22],30,"2.6<Pt<2.7");
+ snprintf(par_name_nbin[23],30,"2.7<Pt<2.8");
+ snprintf(par_name_nbin[24],30,"2.8<Pt<2.9");
+ snprintf(par_name_nbin[25],30,"2.9<Pt<3.0");
+ snprintf(par_name_nbin[26],30,"3.0<Pt<3.1");
+ snprintf(par_name_nbin[27],30,"3.1<Pt<3.2");
+ snprintf(par_name_nbin[28],30,"3.2<Pt<3.3");
+ snprintf(par_name_nbin[29],30,"3.3<Pt<3.4");
+ snprintf(par_name_nbin[30],30,"3.4<Pt<3.5");
+ snprintf(par_name_nbin[31],30,"3.5<Pt<3.6");
+ snprintf(par_name_nbin[32],30,"3.6<Pt<3.7");
+ snprintf(par_name_nbin[33],30,"3.7<Pt<3.8");
+ snprintf(par_name_nbin[34],30,"3.8<Pt<3.9");
+ snprintf(par_name_nbin[35],30,"3.9<Pt<4.0");
+ snprintf(par_name_nbin[36],30,"4.0<Pt<4.1");
+ snprintf(par_name_nbin[37],30,"4.1<Pt<4.2");
+ snprintf(par_name_nbin[38],30,"4.2<Pt<4.3");
+ snprintf(par_name_nbin[39],30,"4.3<Pt<4.4");
+ snprintf(par_name_nbin[40],30,"4.4<Pt<4.5");
+ snprintf(par_name_nbin[41],30,"4.5<Pt<4.6");
+ snprintf(par_name_nbin[42],30,"4.6<Pt<4.7");
+ snprintf(par_name_nbin[43],30,"4.7<Pt<4.8");
+ snprintf(par_name_nbin[44],30,"4.8<Pt<4.9");
+ snprintf(par_name_nbin[45],30,"4.9<Pt<5.0");
+
+
+ Char_t nameDCAxy[18][nbin][120];
+ Char_t titleDCAxy[18][nbin][120];
+
+ Char_t nameM2CutDCAxy[18][nbin][120];
+ Char_t titleM2CutDCAxy[18][nbin][120];
+
+ Char_t nameM2CutGroundDCAxy[18][nbin][120];
+ Char_t titleM2CutGroundDCAxy[18][nbin][120];
+
+
+ for(Int_t iS=0;iS<18;iS++) {
+ for(Int_t j=0;j<nbin;j++) {
+ snprintf(nameDCAxy[iS][j],120,"hDCAxy_%s_%s",name[iS],par_name_nbin[j]);
+ snprintf(titleDCAxy[iS][j],120,"hDCAxy_%s_%s;DCA_{xy} (cm)",name[iS],par_name_nbin[j]);
+
+ snprintf(nameM2CutDCAxy[iS][j],120,"hM2_CutDCAxy_%s_%s",name[iS],par_name_nbin[j]);
+ snprintf(titleM2CutDCAxy[iS][j],120,"hM2_CutDCAxy_%s_%s;M^{2}_{TOF} (GeV^{2}/c^{4})",name[iS],par_name_nbin[j]);
+
+ snprintf(nameM2CutGroundDCAxy[iS][j],120,"hM2_GroundCatDCAxy_%s_%s",name[iS],par_name_nbin[j]);
+ snprintf(titleM2CutGroundDCAxy[iS][j],120,"hM2_GroundCatDCAxy_%s_%s;M^{2}_{TOF} (GeV^{2}/c^{4})",name[iS],par_name_nbin[j]);
+ }
+ }
+
+ for(Int_t iS=0;iS<18;iS++) {
+ for(Int_t j=0;j<nbin;j++) {
+ hDCAxy[iS][j] = new TH1D(nameDCAxy[iS][j],titleDCAxy[iS][j],1000,-2.5,2.5);//125 bins
+ hDCAxy[iS][j]->GetXaxis()->CenterTitle();
+ //hM2CutDCAxy[iS][j] = new TH1D(nameM2CutDCAxy[iS][j],titleM2CutDCAxy[iS][j],4000,0,10);
+ //hM2CutGroundDCAxy[iS][j] = new TH1D(nameM2CutGroundDCAxy[iS][j],titleM2CutGroundDCAxy[iS][j],4000,0,10);
+ }
+ }
+
+ //for e,#mu,#pi and antiparticle (e and #mu will not be drawn)
+ //the binning is chosen for #pi distribution:
+ for(Int_t iSp=0;iSp<3;iSp++) {
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[iSp][j] = new TH1D(nameM2CutDCAxy[iSp][j],titleM2CutDCAxy[iSp][j],600,-0.1,0.5);
+ hM2CutGroundDCAxy[iSp][j] = new TH1D(nameM2CutGroundDCAxy[iSp][j],titleM2CutGroundDCAxy[iSp][j],600,-0.1,0.5);
+ hM2CutDCAxy[iSp+9][j] = new TH1D(nameM2CutDCAxy[iSp+9][j],titleM2CutDCAxy[iSp+9][j],600,-0.1,0.5);
+ hM2CutGroundDCAxy[iSp+9][j] = new TH1D(nameM2CutGroundDCAxy[iSp+9][j],titleM2CutGroundDCAxy[iSp+9][j],600,-0.1,0.5);
+ }
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[3][j] = new TH1D(nameM2CutDCAxy[3][j],titleM2CutDCAxy[3][j],400,0,1);
+ hM2CutGroundDCAxy[3][j] = new TH1D(nameM2CutGroundDCAxy[3][j],titleM2CutGroundDCAxy[3][j],400,0,1);
+ hM2CutDCAxy[3+9][j] = new TH1D(nameM2CutDCAxy[3+9][j],titleM2CutDCAxy[3+9][j],400,0,1);
+ hM2CutGroundDCAxy[3+9][j] = new TH1D(nameM2CutGroundDCAxy[3+9][j],titleM2CutGroundDCAxy[3+9][j],400,0,1);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[4][j] = new TH1D(nameM2CutDCAxy[4][j],titleM2CutDCAxy[4][j],500,0,4);
+ hM2CutGroundDCAxy[4][j] = new TH1D(nameM2CutGroundDCAxy[4][j],titleM2CutGroundDCAxy[4][j],500,0,4);
+ hM2CutDCAxy[4+9][j] = new TH1D(nameM2CutDCAxy[4+9][j],titleM2CutDCAxy[4+9][j],500,0,4);
+ hM2CutGroundDCAxy[4+9][j] = new TH1D(nameM2CutGroundDCAxy[4+9][j],titleM2CutGroundDCAxy[4+9][j],500,0,4);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[5][j] = new TH1D(nameM2CutDCAxy[5][j],titleM2CutDCAxy[5][j],500,0,6);
+ hM2CutGroundDCAxy[5][j] = new TH1D(nameM2CutGroundDCAxy[5][j],titleM2CutGroundDCAxy[5][j],500,0,6);
+ hM2CutDCAxy[5+9][j] = new TH1D(nameM2CutDCAxy[5+9][j],titleM2CutDCAxy[5+9][j],500,0,6);
+ hM2CutGroundDCAxy[5+9][j] = new TH1D(nameM2CutGroundDCAxy[5+9][j],titleM2CutGroundDCAxy[5+9][j],500,0,6);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[6][j] = new TH1D(nameM2CutDCAxy[6][j],titleM2CutDCAxy[6][j],1000,0,12);
+ hM2CutGroundDCAxy[6][j] = new TH1D(nameM2CutGroundDCAxy[6][j],titleM2CutGroundDCAxy[6][j],1000,0,12);
+ hM2CutDCAxy[6+9][j] = new TH1D(nameM2CutDCAxy[6+9][j],titleM2CutDCAxy[6+9][j],1000,0,12);
+ hM2CutGroundDCAxy[6+9][j] = new TH1D(nameM2CutGroundDCAxy[6+9][j],titleM2CutGroundDCAxy[6+9][j],1000,0,12);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[7][j] = new TH1D(nameM2CutDCAxy[7][j],titleM2CutDCAxy[7][j],200,0,4);
+ hM2CutGroundDCAxy[7][j] = new TH1D(nameM2CutGroundDCAxy[7][j],titleM2CutGroundDCAxy[7][j],200,0,4);
+ hM2CutDCAxy[7+9][j] = new TH1D(nameM2CutDCAxy[7+9][j],titleM2CutDCAxy[7+9][j],200,0,4);
+ hM2CutGroundDCAxy[7+9][j] = new TH1D(nameM2CutGroundDCAxy[7+9][j],titleM2CutGroundDCAxy[7+9][j],200,0,4);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {
+ hM2CutDCAxy[8][j] = new TH1D(nameM2CutDCAxy[8][j],titleM2CutDCAxy[8][j],600,0,6);
+ hM2CutGroundDCAxy[8][j] = new TH1D(nameM2CutGroundDCAxy[8][j],titleM2CutGroundDCAxy[8][j],600,0,6);
+ hM2CutDCAxy[8+9][j] = new TH1D(nameM2CutDCAxy[8+9][j],titleM2CutDCAxy[8+9][j],600,0,6);
+ hM2CutGroundDCAxy[8+9][j] = new TH1D(nameM2CutGroundDCAxy[8+9][j],titleM2CutGroundDCAxy[8+9][j],600,0,6);
+ }
+
+
+ fList1->Add(hNevent);
+ fList1->Add(hZvertex);
+ fList1->Add(hTOFSignalPion);
+ for(Int_t iS=0;iS<18;iS++) fList1->Add(fNsigmaTPCvsP_kTOFtrue[iS]);
+
+ for(Int_t i=0;i<3;i++) fList1->Add(fdEdxVSp[i]);
+ for(Int_t i=0;i<9;i++) fList1->Add(hDeDxExp[i]);
+ fList1->Add(fBetaTofVSp);
+ for(Int_t i=0;i<9;i++) fList1->Add(hBetaExp[i]);
+ for(Int_t i=0;i<9;i++) fList1->Add(fNsigmaTPC[i]);
+ for(Int_t i=0;i<9;i++) fList1->Add(fNsigmaTOF[i]);
+
+ for(Int_t i=0;i<10;i++) fList1->Add(fM2vsZ[i]);
+
+ for(Int_t i=0;i<3;i++) fList1->Add(fM2vsP_NoTpcCut[i]);
+ for(Int_t i=0;i<18;i++) fList1->Add(fM2vsP[i]);
+
+ for(Int_t i=0;i<3;i++) fList1->Add(fM2vsP_NoTpcCut_DCAxyCut[i]);
+ for(Int_t i=0;i<18;i++) fList1->Add(fM2vsP_DCAxyCut[i]);
+
+ /*
+ for(Int_t j=0;j<nbin;j++) {//electron
+ fList1->Add(hDCAxy[0][j]);
+ fList1->Add(hM2CutDCAxy[0][j]);
+ fList1->Add(hM2CutGroundDCAxy[0][j]);
+ fList1->Add(hDCAxy[9][j]);
+ fList1->Add(hM2CutDCAxy[9][j]);
+ fList1->Add(hM2CutGroundDCAxy[9][j]);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {//muon
+ fList1->Add(hDCAxy[1][j]);
+ fList1->Add(hM2CutDCAxy[1][j]);
+ fList1->Add(hM2CutGroundDCAxy[1][j]);
+ fList1->Add(hDCAxy[10][j]);
+ fList1->Add(hM2CutDCAxy[10][j]);
+ fList1->Add(hM2CutGroundDCAxy[10][j]);
+ }
+ */
+
+ for(Int_t j=0;j<nbin;j++) {//pion
+ fList1->Add(hDCAxy[2][j]);
+ fList1->Add(hM2CutDCAxy[2][j]);
+ fList1->Add(hM2CutGroundDCAxy[2][j]);
+ fList1->Add(hDCAxy[11][j]);
+ fList1->Add(hM2CutDCAxy[11][j]);
+ fList1->Add(hM2CutGroundDCAxy[11][j]);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {//kaon
+ fList1->Add(hDCAxy[3][j]);
+ fList1->Add(hM2CutDCAxy[3][j]);
+ fList1->Add(hM2CutGroundDCAxy[3][j]);
+ fList1->Add(hDCAxy[12][j]);
+ fList1->Add(hM2CutDCAxy[12][j]);
+ fList1->Add(hM2CutGroundDCAxy[12][j]);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {//proton
+ fList1->Add(hDCAxy[4][j]);
+ fList1->Add(hM2CutDCAxy[4][j]);
+ fList1->Add(hM2CutGroundDCAxy[4][j]);
+ fList1->Add(hDCAxy[13][j]);
+ fList1->Add(hM2CutDCAxy[13][j]);
+ fList1->Add(hM2CutGroundDCAxy[13][j]);
+ }
+
+ for(Int_t j=0;j<nbin;j++) {//deuteron
+ fList1->Add(hDCAxy[5][j]);
+ fList1->Add(hM2CutDCAxy[5][j]);
+ fList1->Add(hM2CutGroundDCAxy[5][j]);
+ fList1->Add(hDCAxy[14][j]);
+ fList1->Add(hM2CutDCAxy[14][j]);
+ fList1->Add(hM2CutGroundDCAxy[14][j]);
+ }
+
+ /*
+ for(Int_t j=0;j<nbin;j++) {//triton
+ fList1->Add(hDCAxy[6][j]);
+ fList1->Add(hM2CutDCAxy[6][j]);
+ fList1->Add(hM2CutGroundDCAxy[6][j]);
+ fList1->Add(hDCAxy[15][j]);
+ fList1->Add(hM2CutDCAxy[15][j]);
+ fList1->Add(hM2CutGroundDCAxy[15][j]);
+ }
+ */
+
+ for(Int_t j=0;j<nbin;j++) {//He3
+ fList1->Add(hDCAxy[7][j]);
+ fList1->Add(hM2CutDCAxy[7][j]);
+ fList1->Add(hM2CutGroundDCAxy[7][j]);
+ fList1->Add(hDCAxy[16][j]);
+ fList1->Add(hM2CutDCAxy[16][j]);
+ fList1->Add(hM2CutGroundDCAxy[16][j]);
+ }
+
+ /*
+ for(Int_t j=0;j<nbin;j++) {//4He
+ fList1->Add(hDCAxy[8][j]);
+ fList1->Add(hM2CutDCAxy[8][j]);
+ fList1->Add(hM2CutGroundDCAxy[8][j]);
+ fList1->Add(hDCAxy[17][j]);
+ fList1->Add(hM2CutDCAxy[17][j]);
+ fList1->Add(hM2CutGroundDCAxy[17][j]);
+ }
+ */
+
+ //fTrackFilter = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
+
+ // Post output data.
+ PostData(1, fList1);
+}
+//______________________________________________________________________________
+void AliAnalysisNucleiMass::UserExec(Option_t *)
+{
+ // Main loop
+ // Called for each event
+
+ fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
+ fESD = dynamic_cast<AliESDEvent*>(InputEvent());
+ if(!fAOD && !fESD){
+ Printf("%s:%d AODEvent and ESDEvent not found in Input Manager",(char*)__FILE__,__LINE__);
+ this->Dump();
+ return;
+ }
+
+ if(fESD) fEvent = fESD;
+ else fEvent = fAOD;
+
+ AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
+ AliInputEventHandler* inputHandler = (AliInputEventHandler*) (man->GetInputEventHandler());
+ fPIDResponse=inputHandler->GetPIDResponse(); // data member di tipo "const AliPIDResponse *fPIDResponse;"
+
+ //Centrality
+ Float_t v0Centr = -10.;
+ Float_t trkCentr = -10.;
+ AliCentrality *centrality = fEvent->GetCentrality();
+ if (centrality){
+ v0Centr = centrality->GetCentralityPercentile("V0M"); // VZERO
+ trkCentr = centrality->GetCentralityPercentile("TRK"); // TPC
+ }
+
+ const AliAODVertex* vtxAOD = fAOD->GetPrimaryVertex();
+
+ Float_t zvtx = 10000.0;
+
+ if(vtxAOD->GetNContributors()>0)
+ zvtx = vtxAOD->GetZ();
+
+ if(TMath::Abs(v0Centr - trkCentr) < 5.0 && TMath::Abs(zvtx) < 10.0){ // consistency cut on centrality selection AND d(zPrimaryVertez;NominalPointInteraction)<10cm
+
+ //Bool_t isTrack=1;
+
+ Int_t nTracks = fEvent->GetNumberOfTracks();
+
+ if(v0Centr>=fCentrality[0] && v0Centr<=fCentrality[1]) {//window cut centrality open
+
+ hZvertex->Fill(zvtx);
+ hNevent->Fill(v0Centr);
+
+ for(Int_t iT = 0; iT < nTracks; iT++) { // loop on the tracks
+ AliVTrack* track = (AliVTrack *) fEvent->GetTrack(iT);
+
+ if (!track){
+ track->Delete();
+ //isTrack=0;
+ continue;
+ }
+
+ Bool_t trkFlag = 0;
+
+ if(fAOD)
+ trkFlag = ((AliAODTrack *) track)->TestFilterBit(FilterBit);
+
+ //TestFilterBit(16) -- Standard Cuts with very loose DCA: GetStandardITSTPCTrackCuts2011(kFALSE) && SetMaxDCAToVertexXY(2.4) && SetMaxDCAToVertexZ(3.2) && SetDCaToVertex2D(kTRUE)
+
+ //TestFilterBit(32) (STARDARD) -- Standard Cuts with very tight DCA cut ( 7sigma^primaries: 7*(0.0015+0.0050/pt^1.1) ) : GetStandardITSTPCTrackCuts2011().
+
+ else{
+ //trkFlag = fTrackFilter->IsSelected(((AliESDtrack *) track));
+ }
+
+ Int_t NTpcCls=track->GetTPCNcls();
+ if(NTpcCls>NminTPCcluster) kTPC=kTRUE;
+ else kTPC=kFALSE;
+
+ if ((TMath::Abs(track->Eta()) > 0.8) || (track->Pt() < 0.2) || !trkFlag || !kTPC){
+ continue;
+ }
+
+ Double_t b[2] = {-99., -99.};
+ Double_t bCov[3] = {-99., -99., -99.};
+ if (!track->PropagateToDCA(fEvent->GetPrimaryVertex(), fEvent->GetMagneticField(), 100., b, bCov))
+ continue;
+
+// Float_t Eta = TMath::Abs(track->Eta());
+ Float_t charge = (Float_t)track->Charge();
+ Float_t p = track->P();
+ Float_t pt = track->Pt();
+ Float_t dedx = track->GetTPCsignal();
+ Float_t tof = track->GetTOFsignal()-fPIDResponse->GetTOFResponse().GetStartTime(p);
+ Float_t pTPC = track->GetTPCmomentum();
+ Float_t beta = 0.0;
+ Float_t M2 = 1000.0;
+ Float_t M = 1000.0;
+ Float_t Z2 = 1000.0;
+ Float_t DCAxy = b[1];
+ Float_t DCAz = b[0];
+
+ if(TMath::Abs(DCAz)>DCAzCUT)//CUT ON DCAz
+ continue;
+
+ Bool_t kTpcPure;
+ kTpcPure = track->GetTPCsignal()>10;
+
+ kTOF = (track->GetStatus() & AliVTrack::kTOFout) && (track->GetStatus() & AliVTrack::kTIME);
+
+ Float_t nsigmaTPC[9];
+ Float_t nsigmaTOF[9];
+
+ Double_t expdedx[9];
+// Double_t dedxRes[9];
+
+ for(Int_t iS=0;iS < 9;iS++){ //TPC expected signal
+ //expdedx[iS] = fPIDResponse->GetTPCResponse().GetExpectedSignal(pTPC, (AliPID::EParticleType) iS);// Deprecated function: Temporary solution to measure also He (The other method has a small bag) . This must be replace from:
+ expdedx[iS] = fPIDResponse->GetTPCResponse().GetExpectedSignal(track, (AliPID::EParticleType) iS, AliTPCPIDResponse::kdEdxDefault, kTRUE);
+// dedxRes[iS] = fPIDResponse->GetTPCResponse().GetExpectedSigma(track, (AliPID::EParticleType) iS, AliTPCPIDResponse::kdEdxDefault, kTRUE);
+ //if(iS>6) dedxRes[iS] = expdedx[iS]*0.08; //Temporary solution to measure also He. This line must be removed
+ }
+
+ if(kTpcPure) {
+ for(Int_t iS=0;iS < 9;iS++){
+ nsigmaTPC[iS] = fPIDResponse->NumberOfSigmasTPC(track,(AliPID::EParticleType) iS);
+ //if(iS>6) nsigmaTPC[iS] = (dedx-expdedx[iS])/dedxRes[iS]; // Temporary solution to measure also He. This line must be removed.
+ fNsigmaTPC[iS]->Fill(pt,nsigmaTPC[iS]);
+ hDeDxExp[iS]->Fill(pTPC,expdedx[iS]);
+ }
+ fdEdxVSp[0]->Fill(pTPC,dedx);
+ if(charge>0) fdEdxVSp[1]->Fill(pTPC,dedx);
+ else fdEdxVSp[2]->Fill(pTPC,dedx);
+ }
+
+ Float_t massOverZ[9] = {0.000511,0.105658,0.139570,0.493677,0.938272,1.877837,2.817402,1.408701,1.877837};
+
+ Double_t exptimes[9]; // TOF expected times
+ track->GetIntegratedTimes(exptimes);
+ exptimes[5] = exptimes[0] / p * massOverZ[5] * TMath::Sqrt(1+p*p/massOverZ[5]/massOverZ[5]);
+ exptimes[6] = exptimes[0] / p * massOverZ[6] * TMath::Sqrt(1+p*p/massOverZ[6]/massOverZ[6]);
+ exptimes[7] = exptimes[0] / p * massOverZ[7] * TMath::Sqrt(1+p*p/massOverZ[7]/massOverZ[7]);
+ exptimes[8] = exptimes[0] / p * massOverZ[8] * TMath::Sqrt(1+p*p/massOverZ[8]/massOverZ[8]);
+
+// Double_t tofRes[9] = {1000,1000,1000,1000,1000,1000,1000,1000,1000};
+// if(kTOF){
+// for(Int_t iS=0;iS < 9;iS++) tofRes[iS] = fPIDResponse->GetTOFResponse().GetExpectedSigma(p, exptimes[iS], massOverZ[iS]);
+// }
+
+ beta=exptimes[0];
+
+ if(kTOF) {
+ for(Int_t iS=0;iS < 9;iS++){
+ nsigmaTOF[iS] = fPIDResponse->NumberOfSigmasTOF(track,(AliPID::EParticleType) iS);
+ fNsigmaTOF[iS]->Fill(pt,nsigmaTOF[iS]);
+ hBetaExp[iS]->Fill(p,beta/exptimes[iS]);
+ }
+ if(pt>0.9 && pt<1.0) hTOFSignalPion->Fill(tof-exptimes[2]);
+ beta=beta/tof;
+ fBetaTofVSp->Fill(p,beta);
+ }
+
+ Int_t stdFlagPid[9] = {1,2,4,8,16,32,64,128,256};//e,#mu,#pi,K,p,d,t,3He,4He
+ Int_t FlagPid = 0;
+ Float_t binPt[nbin+1];
+
+ for(Int_t i=0;i<nbin+1;i++) {
+ binPt[i]=0.4+i*0.1;
+ }
+
+ Float_t binCutPt[10] = {0.3,0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5};
+
+ if(kTOF && kTpcPure) {
+
+ M2 = (p*p*(1-beta*beta))/(beta*beta);
+
+ fM2vsP_NoTpcCut[0]->Fill(M2,p);
+ if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[0]->Fill(M2,p);
+
+ if(M2>0.0) {
+ M=TMath::Sqrt(M2);
+ Z2 = TMath::Power(dedx/fPIDResponse->GetTPCResponse().GetExpectedSignal(pTPC*massOverZ[4]/M, AliPID::kProton),0.862);
+ fM2vsZ[0]->Fill(charge*TMath::Sqrt(Z2),M2);
+
+ for(Int_t i=0;i<9;i++) {
+ if(pt>binCutPt[i] && pt<binCutPt[i+1]){
+ fM2vsZ[i+1]->Fill(charge*TMath::Sqrt(Z2),M2);
+ break;
+ }
+ }
+ }
+
+ if(charge>0) {
+ fM2vsP_NoTpcCut[1]->Fill(M2,p);
+ if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[1]->Fill(M2,p);
+ for(Int_t iS=0;iS < 9;iS++){
+ fNsigmaTPCvsP_kTOFtrue[iS]->Fill(p,nsigmaTPC[iS]);
+ }
+ }
+ else {//else charge<0
+ fM2vsP_NoTpcCut[2]->Fill(M2,p);
+ if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[2]->Fill(M2,p);
+
+ for(Int_t iS=0;iS < 9;iS++){
+ fNsigmaTPCvsP_kTOFtrue[iS+9]->Fill(p,nsigmaTPC[iS]);
+ }
+ }
+
+ for(Int_t iS=0;iS<9;iS++) {
+ if(TMath::Abs(nsigmaTPC[iS])<2) {
+ FlagPid += ((Int_t)TMath::Power(2,iS));
+ }
+ }
+
+ for(Int_t iS=0;iS<9;iS++) {
+ if(FlagPid & stdFlagPid[iS] || !kTPCcut) {
+ if(charge>0) {
+ fM2vsP[iS]->Fill(M2,p);
+ for(Int_t j=0;j<nbin;j++) {
+ if(pt>binPt[j] && pt<binPt[j+1]) {
+ hDCAxy[iS][j]->Fill(DCAxy);
+ hDCAxy[iS][j]->Fill(-DCAxy);
+ if(TMath::Abs(DCAxy)<DCAxyCUT) {
+ hM2CutDCAxy[iS][j]->Fill(M2);
+ fM2vsP_DCAxyCut[iS]->Fill(M2,p);
+ }
+ if(TMath::Abs(DCAxy+0.5)<DCAxyCUT) hM2CutGroundDCAxy[iS][j]->Fill(M2);
+ break;
+ }
+ }
+ }
+ else {//if(charge<0)
+ fM2vsP[iS+9]->Fill(M2,p);
+ for(Int_t j=0;j<nbin;j++) {
+ if(pt>binPt[j] && pt<binPt[j+1]) {
+ hDCAxy[iS+9][j]->Fill(DCAxy);
+ hDCAxy[iS+9][j]->Fill(-DCAxy);
+ if(TMath::Abs(DCAxy)<DCAxyCUT) {
+ hM2CutDCAxy[iS+9][j]->Fill(M2);
+ fM2vsP_DCAxyCut[iS]->Fill(M2,p);
+ }
+ if(TMath::Abs(DCAxy+0.5)<DCAxyCUT) hM2CutGroundDCAxy[iS+9][j]->Fill(M2);
+ break;
+ }
+ }
+ }
+ }
+ }
+ }// close (KTOF && kTpcPure request)
+
+
+ } // end track loop
+
+ } //window cut centrality close
+
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliAnalysisNucleiMass::Terminate(Option_t *)
+{
+ // Terminate loop
+ Printf("Terminate()");
+}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff