PWGLF/SPECTRA/Nuclei/masses/AliAnalysisNucleiMass.cxx

   1
   2 #include "AliAnalysisNucleiMass.h"
   3
   4 // ROOT includes
   5 #include <TMath.h>
   6 #include "TChain.h"
   7
   8 // AliRoot includes
   9 #include "AliInputEventHandler.h"
  10 #include "AliAODEvent.h"
  11 #include "AliESDEvent.h"
  12 #include "AliVEvent.h"
  13 #include "AliAODTrack.h"
  14 #include "AliAODPid.h"
  15 #include "AliCentrality.h"
  16 #include "TH2F.h"
  17 #include "TH2D.h"
  18 #include "TH1F.h"
  19 #include "TF1.h"
  20 #include "TGraph.h"
  21 #include "TProfile.h"
  22 #include "AliESDtrackCuts.h"
  23 #include "AliAnalysisManager.h"
  24
  25 ClassImp(AliAnalysisNucleiMass)
  26
  27 //_____________________________________________________________________________
  28 AliAnalysisNucleiMass::AliAnalysisNucleiMass():
  29   AliAnalysisTaskSE(),
  30   fMC(kFALSE),
  31   FilterBit(16),
  32   NminTPCcluster(0),
  33   DCAzCUT(100),
  34   DCAxyCUT(0.1),
  35   kTPCcut(kTRUE),
  36   kTPC(0),
  37   kTOF(0),
  38   fAOD(NULL),
  39   fESD(NULL),
  40   fEvent(NULL),
  41   fPIDResponse(NULL),
  42   fList1(new TList()),
  43   hNevent(NULL),
  44   hZvertex(NULL),
  45   fBetaTofVSp(NULL),
  46   hTOFSignalPion(NULL)
  47 {
  48    // Default constructor (should not be used)
  49   fList1->SetName("results");
  50 }
  51 //______________________________________________________________________________
  52 AliAnalysisNucleiMass::AliAnalysisNucleiMass(const char *name):
  53   AliAnalysisTaskSE(name),
  54   fMC(kFALSE),
  55   FilterBit(16),
  56   NminTPCcluster(0),
  57   DCAzCUT(100),
  58   DCAxyCUT(0.1),
  59   kTPCcut(kTRUE),
  60   kTPC(0),
  61   kTOF(0),
  62   fAOD(NULL),
  63   fESD(NULL),
  64   fEvent(NULL),
  65   fPIDResponse(NULL),
  66   fList1(new TList()),
  67   hNevent(NULL),
  68   hZvertex(NULL),
  69   fBetaTofVSp(NULL),
  70   hTOFSignalPion(NULL)
  71 {
  72   DefineOutput(1, TList::Class());
  73   fList1->SetName("results");
  74 }
  75 //_____________________________________________________________________________
  76 AliAnalysisNucleiMass::~AliAnalysisNucleiMass()
  77 {
  78   if(fList1) delete fList1;
  79 }
  80 //______________________________________________________________________________
  81 void AliAnalysisNucleiMass::UserCreateOutputObjects()
  82 {
  83
  84   hNevent = new TH1F("hNevent","Centrality",20,0,100);
  85
  86   hZvertex = new TH1F("hZvertex","Vertex distribution of accepted events; z vertex (cm)",120,-15,15);
  87
  88   hTOFSignalPion = new TH1F("hTOFSignalPion","TOF signal 0.9<p_{T}<1.0; t-t_{exp}^{#pi} (ps)",1500,-1500,1500);
  89
  90   fdEdxVSp[0] = new TH2F("fdEdxVSp","dE/dx vs p; p/|Z| (GeV/c); dE/dx_{TPC} (a.u.)",500,0,5,2000,0,1000);
  91   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);
  92   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);
  93
  94   fBetaTofVSp = new TH2F("fBetaTofVSp","#beta_{TOF} vs p; p(GeV/c); #beta_{TOF}",1000,0,5,1300,0.4,1.05);
  95
  96   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);
  97   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);
  98   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);
  99
 100   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);
 101   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);
 102   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);
 103
 104   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);
 105   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);
 106   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);
 107   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);
 108   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);
 109   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);
 110   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);
 111   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);
 112   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);
 113   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);
 114
 115
 116   char namePart[9][30];
 117   char namePart_par_TPC[9][40];
 118   char namePart_title_TPC[9][120];
 119
 120   char namePart_par_TOF[9][40];
 121   char namePart_title_TOF[9][120];
 122
 123   char namePart_par_ProfileTPC[9][40];
 124   char namePart_title_ProfileTPC[9][80];
 125
 126   char namePart_par_ProfileTOF[9][40];
 127   char namePart_title_ProfileTOF[9][80];
 128
 129
 130   snprintf(namePart[0],20,"e");
 131   snprintf(namePart[1],20,"#mu");
 132   snprintf(namePart[2],20,"#pi");
 133   snprintf(namePart[3],20,"K");
 134   snprintf(namePart[4],20,"p");
 135   snprintf(namePart[5],20,"d");
 136   snprintf(namePart[6],20,"t");
 137   snprintf(namePart[7],20,"He3");
 138   snprintf(namePart[8],20,"He4");
 139
 140   for(Int_t i=0;i<9;i++) {
 141     snprintf(namePart_par_TPC[i],40,"NsigmaTPC_%s",namePart[i]);
 142     snprintf(namePart_title_TPC[i],120,"NsigmaTPC_%s;p_{T} (GeV/c);n_{#sigma_{TPC}}^{%s}",namePart[i],namePart[i]);
 143
 144     snprintf(namePart_par_TOF[i],40,"NsigmaTOF_%s",namePart[i]);
 145     snprintf(namePart_title_TOF[i],120,"NsigmaTOF_%s;p_{T} (GeV/c);n_{#sigma_{TOF}}^{%s}",namePart[i],namePart[i]);
 146
 147     snprintf(namePart_par_ProfileTPC[i],40,"hDeDxExp_%s",namePart[i]);
 148     snprintf(namePart_title_ProfileTPC[i],80,"hDeDxExp_%s;p (GeV/c);dE/dx_{TPC} (a.u.)",namePart[i]);
 149
 150     snprintf(namePart_par_ProfileTOF[i],40,"hBetaVsP_Exp_%s",namePart[i]);
 151     snprintf(namePart_title_ProfileTOF[i],80,"hBetaVsP_Exp%s;p (GeV/c); #beta_{TOF}",namePart[i]);
 152   }
 153
 154   for(Int_t i=0;i<9;i++) {
 155     fNsigmaTPC[i] = new TH2F(namePart_par_TPC[i],namePart_title_TPC[i],250,0,5,200,-5,5);
 156     fNsigmaTPC[i]->GetYaxis()->CenterTitle();
 157     fNsigmaTOF[i] = new TH2F(namePart_par_TOF[i],namePart_title_TOF[i],250,0,5,200,-5,5);
 158     fNsigmaTOF[i]->GetYaxis()->CenterTitle();
 159     hDeDxExp[i] = new TProfile(namePart_par_ProfileTPC[i],namePart_title_ProfileTPC[i],500,0,5,0,1000,"");
 160     hBetaExp[i] = new TProfile(namePart_par_ProfileTOF[i],namePart_title_ProfileTOF[i],400,0,5,0.4,1.05,"");
 161   }
 162
 163   char namePart_par_TPCvsP_kTOFtrue[18][80];
 164   char namePart_title_TPCvsP_kTOFtrue[18][120];
 165
 166   char name[18][30];
 167
 168   snprintf(name[0],20,"e^{+}");
 169   snprintf(name[1],20,"#mu^{+}");
 170   snprintf(name[2],20,"#pi^{+}");
 171   snprintf(name[3],20,"K^{+}");
 172   snprintf(name[4],20,"p");
 173   snprintf(name[5],20,"d");
 174   snprintf(name[6],20,"t");
 175   snprintf(name[7],20,"He3");
 176   snprintf(name[8],20,"He4");
 177
 178   snprintf(name[9],20,"e^{-}");
 179   snprintf(name[10],20,"#mu^{-}");
 180   snprintf(name[11],20,"#pi^{-}");
 181   snprintf(name[12],20,"K^{-}");
 182   snprintf(name[13],20,"#bar{p}");
 183   snprintf(name[14],20,"#bar{d}");
 184   snprintf(name[15],20,"#bar{t}");
 185   snprintf(name[16],20,"#bar{He3}");
 186   snprintf(name[17],20,"#bar{He4}");
 187
 188   for(Int_t iS=0;iS<18;iS++) {
 189     snprintf(namePart_par_TPCvsP_kTOFtrue[iS],40,"NsigmaTPCvsP_kTOFout&&kTIME_%s",name[iS]);
 190     snprintf(namePart_title_TPCvsP_kTOFtrue[iS],150,"NsigmaTPCvsP_kTOFout&&kTIME_%s;p (GeV/c);n_{#sigma_{TPC}}^{%s}",name[iS],name[iS]);
 191   }
 192
 193   for(Int_t iS=0;iS<18;iS++) {
 194     fNsigmaTPCvsP_kTOFtrue[iS] = new TH2F(namePart_par_TPCvsP_kTOFtrue[iS],namePart_title_TPCvsP_kTOFtrue[iS],250,0,5,200,-5,5);
 195     fNsigmaTPCvsP_kTOFtrue[iS]->GetYaxis()->CenterTitle();
 196   }
 197
 198   char name_par_MvsP[18][60];
 199   char name_title_MvsP[18][150];
 200
 201   for(Int_t i=0;i<18;i++) {
 202     snprintf(name_par_MvsP[i],60,"M2vsP_%s",name[i]);
 203     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]);
 204   }
 205
 206   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);
 207
 208   char name_par_MvsP_DCAxyCut[18][60];
 209   char name_title_MvsP_DCAxyCut[18][150];
 210
 211   for(Int_t i=0;i<18;i++) {
 212     snprintf(name_par_MvsP_DCAxyCut[i],60,"M2vsP_DCAxyCut_%s",name[i]);
 213     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]);
 214   }
 215
 216   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);
 217
 218
 219   Char_t par_name_nbin[nbin][30];
 220
 221   snprintf(par_name_nbin[0],30,"0.4<Pt<0.5");
 222   snprintf(par_name_nbin[1],30,"0.5<Pt<0.6");
 223   snprintf(par_name_nbin[2],30,"0.6<Pt<0.7");
 224   snprintf(par_name_nbin[3],30,"0.7<Pt<0.8");
 225   snprintf(par_name_nbin[4],30,"0.8<Pt<0.9");
 226   snprintf(par_name_nbin[5],30,"0.9<Pt<1.0");
 227   snprintf(par_name_nbin[6],30,"1.0<Pt<1.1");
 228   snprintf(par_name_nbin[7],30,"1.1<Pt<1.2");
 229   snprintf(par_name_nbin[8],30,"1.2<Pt<1.3");
 230   snprintf(par_name_nbin[9],30,"1.3<Pt<1.4");
 231   snprintf(par_name_nbin[10],30,"1.4<Pt<1.5");
 232   snprintf(par_name_nbin[11],30,"1.5<Pt<1.6");
 233   snprintf(par_name_nbin[12],30,"1.6<Pt<1.7");
 234   snprintf(par_name_nbin[13],30,"1.7<Pt<1.8");
 235   snprintf(par_name_nbin[14],30,"1.8<Pt<1.9");
 236   snprintf(par_name_nbin[15],30,"1.9<Pt<2.0");
 237   snprintf(par_name_nbin[16],30,"2.0<Pt<2.1");
 238   snprintf(par_name_nbin[17],30,"2.1<Pt<2.2");
 239   snprintf(par_name_nbin[18],30,"2.2<Pt<2.3");
 240   snprintf(par_name_nbin[19],30,"2.3<Pt<2.4");
 241   snprintf(par_name_nbin[20],30,"2.4<Pt<2.5");
 242   snprintf(par_name_nbin[21],30,"2.5<Pt<2.6");
 243   snprintf(par_name_nbin[22],30,"2.6<Pt<2.7");
 244   snprintf(par_name_nbin[23],30,"2.7<Pt<2.8");
 245   snprintf(par_name_nbin[24],30,"2.8<Pt<2.9");
 246   snprintf(par_name_nbin[25],30,"2.9<Pt<3.0");
 247   snprintf(par_name_nbin[26],30,"3.0<Pt<3.1");
 248   snprintf(par_name_nbin[27],30,"3.1<Pt<3.2");
 249   snprintf(par_name_nbin[28],30,"3.2<Pt<3.3");
 250   snprintf(par_name_nbin[29],30,"3.3<Pt<3.4");
 251   snprintf(par_name_nbin[30],30,"3.4<Pt<3.5");
 252   snprintf(par_name_nbin[31],30,"3.5<Pt<3.6");
 253   snprintf(par_name_nbin[32],30,"3.6<Pt<3.7");
 254   snprintf(par_name_nbin[33],30,"3.7<Pt<3.8");
 255   snprintf(par_name_nbin[34],30,"3.8<Pt<3.9");
 256   snprintf(par_name_nbin[35],30,"3.9<Pt<4.0");
 257   snprintf(par_name_nbin[36],30,"4.0<Pt<4.1");
 258   snprintf(par_name_nbin[37],30,"4.1<Pt<4.2");
 259   snprintf(par_name_nbin[38],30,"4.2<Pt<4.3");
 260   snprintf(par_name_nbin[39],30,"4.3<Pt<4.4");
 261   snprintf(par_name_nbin[40],30,"4.4<Pt<4.5");
 262   snprintf(par_name_nbin[41],30,"4.5<Pt<4.6");
 263   snprintf(par_name_nbin[42],30,"4.6<Pt<4.7");
 264   snprintf(par_name_nbin[43],30,"4.7<Pt<4.8");
 265   snprintf(par_name_nbin[44],30,"4.8<Pt<4.9");
 266   snprintf(par_name_nbin[45],30,"4.9<Pt<5.0");
 267
 268
 269   Char_t nameDCAxy[18][nbin][120];
 270   Char_t titleDCAxy[18][nbin][120];
 271
 272   Char_t nameM2CutDCAxy[18][nbin][120];
 273   Char_t titleM2CutDCAxy[18][nbin][120];
 274
 275   Char_t nameM2CutGroundDCAxy[18][nbin][120];
 276   Char_t titleM2CutGroundDCAxy[18][nbin][120];
 277
 278
 279   for(Int_t iS=0;iS<18;iS++) {
 280     for(Int_t j=0;j<nbin;j++) {
 281       snprintf(nameDCAxy[iS][j],120,"hDCAxy_%s_%s",name[iS],par_name_nbin[j]);
 282       snprintf(titleDCAxy[iS][j],120,"hDCAxy_%s_%s;DCA_{xy} (cm)",name[iS],par_name_nbin[j]);
 283
 284       snprintf(nameM2CutDCAxy[iS][j],120,"hM2_CutDCAxy_%s_%s",name[iS],par_name_nbin[j]);
 285       snprintf(titleM2CutDCAxy[iS][j],120,"hM2_CutDCAxy_%s_%s;M^{2}_{TOF} (GeV^{2}/c^{4})",name[iS],par_name_nbin[j]);
 286
 287       snprintf(nameM2CutGroundDCAxy[iS][j],120,"hM2_GroundCatDCAxy_%s_%s",name[iS],par_name_nbin[j]);
 288       snprintf(titleM2CutGroundDCAxy[iS][j],120,"hM2_GroundCatDCAxy_%s_%s;M^{2}_{TOF} (GeV^{2}/c^{4})",name[iS],par_name_nbin[j]);
 289     }
 290   }
 291
 292   for(Int_t iS=0;iS<18;iS++) {
 293     for(Int_t j=0;j<nbin;j++) {
 294       hDCAxy[iS][j] = new TH1D(nameDCAxy[iS][j],titleDCAxy[iS][j],1000,-2.5,2.5);//125 bins
 295       hDCAxy[iS][j]->GetXaxis()->CenterTitle();
 296       //hM2CutDCAxy[iS][j] = new TH1D(nameM2CutDCAxy[iS][j],titleM2CutDCAxy[iS][j],4000,0,10);
 297       //hM2CutGroundDCAxy[iS][j] = new TH1D(nameM2CutGroundDCAxy[iS][j],titleM2CutGroundDCAxy[iS][j],4000,0,10);
 298     }
 299   }
 300
 301   //for e,#mu,#pi and antiparticle (e and #mu will not be drawn)
 302   //the binning is chosen for #pi distribution:
 303   for(Int_t iSp=0;iSp<3;iSp++) {
 304     for(Int_t j=0;j<nbin;j++) {
 305       hM2CutDCAxy[iSp][j] = new TH1D(nameM2CutDCAxy[iSp][j],titleM2CutDCAxy[iSp][j],600,-0.1,0.5);
 306       hM2CutGroundDCAxy[iSp][j] = new TH1D(nameM2CutGroundDCAxy[iSp][j],titleM2CutGroundDCAxy[iSp][j],600,-0.1,0.5);
 307       hM2CutDCAxy[iSp+9][j] = new TH1D(nameM2CutDCAxy[iSp+9][j],titleM2CutDCAxy[iSp+9][j],600,-0.1,0.5);
 308       hM2CutGroundDCAxy[iSp+9][j] = new TH1D(nameM2CutGroundDCAxy[iSp+9][j],titleM2CutGroundDCAxy[iSp+9][j],600,-0.1,0.5);
 309     }
 310   }
 311
 312   for(Int_t j=0;j<nbin;j++) {
 313     hM2CutDCAxy[3][j] = new TH1D(nameM2CutDCAxy[3][j],titleM2CutDCAxy[3][j],400,0,1);
 314     hM2CutGroundDCAxy[3][j] = new TH1D(nameM2CutGroundDCAxy[3][j],titleM2CutGroundDCAxy[3][j],400,0,1);
 315     hM2CutDCAxy[3+9][j] = new TH1D(nameM2CutDCAxy[3+9][j],titleM2CutDCAxy[3+9][j],400,0,1);
 316     hM2CutGroundDCAxy[3+9][j] = new TH1D(nameM2CutGroundDCAxy[3+9][j],titleM2CutGroundDCAxy[3+9][j],400,0,1);
 317   }
 318
 319   for(Int_t j=0;j<nbin;j++) {
 320     hM2CutDCAxy[4][j] = new TH1D(nameM2CutDCAxy[4][j],titleM2CutDCAxy[4][j],500,0,4);
 321     hM2CutGroundDCAxy[4][j] = new TH1D(nameM2CutGroundDCAxy[4][j],titleM2CutGroundDCAxy[4][j],500,0,4);
 322     hM2CutDCAxy[4+9][j] = new TH1D(nameM2CutDCAxy[4+9][j],titleM2CutDCAxy[4+9][j],500,0,4);
 323     hM2CutGroundDCAxy[4+9][j] = new TH1D(nameM2CutGroundDCAxy[4+9][j],titleM2CutGroundDCAxy[4+9][j],500,0,4);
 324   }
 325
 326   for(Int_t j=0;j<nbin;j++) {
 327     hM2CutDCAxy[5][j] = new TH1D(nameM2CutDCAxy[5][j],titleM2CutDCAxy[5][j],500,0,6);
 328     hM2CutGroundDCAxy[5][j] = new TH1D(nameM2CutGroundDCAxy[5][j],titleM2CutGroundDCAxy[5][j],500,0,6);
 329     hM2CutDCAxy[5+9][j] = new TH1D(nameM2CutDCAxy[5+9][j],titleM2CutDCAxy[5+9][j],500,0,6);
 330     hM2CutGroundDCAxy[5+9][j] = new TH1D(nameM2CutGroundDCAxy[5+9][j],titleM2CutGroundDCAxy[5+9][j],500,0,6);
 331   }
 332
 333   for(Int_t j=0;j<nbin;j++) {
 334     hM2CutDCAxy[6][j] = new TH1D(nameM2CutDCAxy[6][j],titleM2CutDCAxy[6][j],1000,0,12);
 335     hM2CutGroundDCAxy[6][j] = new TH1D(nameM2CutGroundDCAxy[6][j],titleM2CutGroundDCAxy[6][j],1000,0,12);
 336     hM2CutDCAxy[6+9][j] = new TH1D(nameM2CutDCAxy[6+9][j],titleM2CutDCAxy[6+9][j],1000,0,12);
 337     hM2CutGroundDCAxy[6+9][j] = new TH1D(nameM2CutGroundDCAxy[6+9][j],titleM2CutGroundDCAxy[6+9][j],1000,0,12);
 338   }
 339
 340   for(Int_t j=0;j<nbin;j++) {
 341     hM2CutDCAxy[7][j] = new TH1D(nameM2CutDCAxy[7][j],titleM2CutDCAxy[7][j],200,0,4);
 342     hM2CutGroundDCAxy[7][j] = new TH1D(nameM2CutGroundDCAxy[7][j],titleM2CutGroundDCAxy[7][j],200,0,4);
 343     hM2CutDCAxy[7+9][j] = new TH1D(nameM2CutDCAxy[7+9][j],titleM2CutDCAxy[7+9][j],200,0,4);
 344     hM2CutGroundDCAxy[7+9][j] = new TH1D(nameM2CutGroundDCAxy[7+9][j],titleM2CutGroundDCAxy[7+9][j],200,0,4);
 345   }
 346
 347   for(Int_t j=0;j<nbin;j++) {
 348     hM2CutDCAxy[8][j] = new TH1D(nameM2CutDCAxy[8][j],titleM2CutDCAxy[8][j],600,0,6);
 349     hM2CutGroundDCAxy[8][j] = new TH1D(nameM2CutGroundDCAxy[8][j],titleM2CutGroundDCAxy[8][j],600,0,6);
 350     hM2CutDCAxy[8+9][j] = new TH1D(nameM2CutDCAxy[8+9][j],titleM2CutDCAxy[8+9][j],600,0,6);
 351     hM2CutGroundDCAxy[8+9][j] = new TH1D(nameM2CutGroundDCAxy[8+9][j],titleM2CutGroundDCAxy[8+9][j],600,0,6);
 352   }
 353
 354
 355   fList1->Add(hNevent);
 356   fList1->Add(hZvertex);
 357   fList1->Add(hTOFSignalPion);
 358   for(Int_t iS=0;iS<18;iS++) fList1->Add(fNsigmaTPCvsP_kTOFtrue[iS]);
 359
 360   for(Int_t i=0;i<3;i++) fList1->Add(fdEdxVSp[i]);
 361   for(Int_t i=0;i<9;i++) fList1->Add(hDeDxExp[i]);
 362   fList1->Add(fBetaTofVSp);
 363   for(Int_t i=0;i<9;i++) fList1->Add(hBetaExp[i]);
 364   for(Int_t i=0;i<9;i++) fList1->Add(fNsigmaTPC[i]);
 365   for(Int_t i=0;i<9;i++) fList1->Add(fNsigmaTOF[i]);
 366
 367   for(Int_t i=0;i<10;i++) fList1->Add(fM2vsZ[i]);
 368
 369   for(Int_t i=0;i<3;i++) fList1->Add(fM2vsP_NoTpcCut[i]);
 370   for(Int_t i=0;i<18;i++) fList1->Add(fM2vsP[i]);
 371
 372   for(Int_t i=0;i<3;i++) fList1->Add(fM2vsP_NoTpcCut_DCAxyCut[i]);
 373   for(Int_t i=0;i<18;i++) fList1->Add(fM2vsP_DCAxyCut[i]);
 374
 375   /*
 376   for(Int_t j=0;j<nbin;j++) {//electron
 377     fList1->Add(hDCAxy[0][j]);
 378     fList1->Add(hM2CutDCAxy[0][j]);
 379     fList1->Add(hM2CutGroundDCAxy[0][j]);
 380     fList1->Add(hDCAxy[9][j]);
 381     fList1->Add(hM2CutDCAxy[9][j]);
 382     fList1->Add(hM2CutGroundDCAxy[9][j]);
 383   }
 384
 385   for(Int_t j=0;j<nbin;j++) {//muon
 386     fList1->Add(hDCAxy[1][j]);
 387     fList1->Add(hM2CutDCAxy[1][j]);
 388     fList1->Add(hM2CutGroundDCAxy[1][j]);
 389     fList1->Add(hDCAxy[10][j]);
 390     fList1->Add(hM2CutDCAxy[10][j]);
 391     fList1->Add(hM2CutGroundDCAxy[10][j]);
 392   }
 393   */
 394
 395   for(Int_t j=0;j<nbin;j++) {//pion
 396     fList1->Add(hDCAxy[2][j]);
 397     fList1->Add(hM2CutDCAxy[2][j]);
 398     fList1->Add(hM2CutGroundDCAxy[2][j]);
 399     fList1->Add(hDCAxy[11][j]);
 400     fList1->Add(hM2CutDCAxy[11][j]);
 401     fList1->Add(hM2CutGroundDCAxy[11][j]);
 402   }
 403
 404   for(Int_t j=0;j<nbin;j++) {//kaon
 405     fList1->Add(hDCAxy[3][j]);
 406     fList1->Add(hM2CutDCAxy[3][j]);
 407     fList1->Add(hM2CutGroundDCAxy[3][j]);
 408     fList1->Add(hDCAxy[12][j]);
 409     fList1->Add(hM2CutDCAxy[12][j]);
 410     fList1->Add(hM2CutGroundDCAxy[12][j]);
 411   }
 412
 413   for(Int_t j=0;j<nbin;j++) {//proton
 414     fList1->Add(hDCAxy[4][j]);
 415     fList1->Add(hM2CutDCAxy[4][j]);
 416     fList1->Add(hM2CutGroundDCAxy[4][j]);
 417     fList1->Add(hDCAxy[13][j]);
 418     fList1->Add(hM2CutDCAxy[13][j]);
 419     fList1->Add(hM2CutGroundDCAxy[13][j]);
 420   }
 421
 422   for(Int_t j=0;j<nbin;j++) {//deuteron
 423     fList1->Add(hDCAxy[5][j]);
 424     fList1->Add(hM2CutDCAxy[5][j]);
 425     fList1->Add(hM2CutGroundDCAxy[5][j]);
 426     fList1->Add(hDCAxy[14][j]);
 427     fList1->Add(hM2CutDCAxy[14][j]);
 428     fList1->Add(hM2CutGroundDCAxy[14][j]);
 429   }
 430
 431   /*
 432   for(Int_t j=0;j<nbin;j++) {//triton
 433     fList1->Add(hDCAxy[6][j]);
 434     fList1->Add(hM2CutDCAxy[6][j]);
 435     fList1->Add(hM2CutGroundDCAxy[6][j]);
 436     fList1->Add(hDCAxy[15][j]);
 437     fList1->Add(hM2CutDCAxy[15][j]);
 438     fList1->Add(hM2CutGroundDCAxy[15][j]);
 439   }
 440   */
 441
 442   for(Int_t j=0;j<nbin;j++) {//He3
 443     fList1->Add(hDCAxy[7][j]);
 444     fList1->Add(hM2CutDCAxy[7][j]);
 445     fList1->Add(hM2CutGroundDCAxy[7][j]);
 446     fList1->Add(hDCAxy[16][j]);
 447     fList1->Add(hM2CutDCAxy[16][j]);
 448     fList1->Add(hM2CutGroundDCAxy[16][j]);
 449   }
 450
 451   /*
 452   for(Int_t j=0;j<nbin;j++) {//4He
 453     fList1->Add(hDCAxy[8][j]);
 454     fList1->Add(hM2CutDCAxy[8][j]);
 455     fList1->Add(hM2CutGroundDCAxy[8][j]);
 456     fList1->Add(hDCAxy[17][j]);
 457     fList1->Add(hM2CutDCAxy[17][j]);
 458     fList1->Add(hM2CutGroundDCAxy[17][j]);
 459   }
 460   */
 461
 462   //fTrackFilter = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts();
 463
 464   // Post output data.
 465   PostData(1, fList1);
 466 }
 467 //______________________________________________________________________________
 468 void AliAnalysisNucleiMass::UserExec(Option_t *)
 469 {
 470   // Main loop
 471   // Called for each event
 472
 473   fAOD = dynamic_cast<AliAODEvent*>(InputEvent());
 474   fESD = dynamic_cast<AliESDEvent*>(InputEvent());
 475   if(!fAOD && !fESD){
 476     Printf("%s:%d AODEvent and ESDEvent not found in Input Manager",(char*)__FILE__,__LINE__);
 477     this->Dump();
 478     return;
 479   }
 480
 481   if(fESD) fEvent = fESD;
 482   else fEvent = fAOD;
 483
 484   AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager();
 485   AliInputEventHandler* inputHandler = (AliInputEventHandler*) (man->GetInputEventHandler());
 486   fPIDResponse=inputHandler->GetPIDResponse(); // data member di tipo "const AliPIDResponse *fPIDResponse;"
 487
 488   //Centrality
 489   Float_t v0Centr  = -10.;
 490   Float_t trkCentr  = -10.;
 491   AliCentrality *centrality = fEvent->GetCentrality();
 492   if (centrality){
 493     v0Centr  = centrality->GetCentralityPercentile("V0M"); // VZERO
 494     trkCentr = centrality->GetCentralityPercentile("TRK"); // TPC
 495   }
 496
 497   const AliAODVertex* vtxAOD = fAOD->GetPrimaryVertex();
 498
 499   Float_t zvtx = 10000.0;
 500
 501   if(vtxAOD->GetNContributors()>0)
 502     zvtx = vtxAOD->GetZ();
 503
 504   if(TMath::Abs(v0Centr - trkCentr) < 5.0 && TMath::Abs(zvtx) < 10.0){ // consistency cut on centrality selection AND d(zPrimaryVertez;NominalPointInteraction)<10cm
 505
 506     //Bool_t isTrack=1;
 507
 508     Int_t nTracks = fEvent->GetNumberOfTracks();
 509
 510     if(v0Centr>=fCentrality[0] && v0Centr<=fCentrality[1]) {//window cut centrality open
 511
 512       hZvertex->Fill(zvtx);
 513       hNevent->Fill(v0Centr);
 514
 515       for(Int_t iT = 0; iT < nTracks; iT++) { // loop on the tracks
 516         AliVTrack* track = (AliVTrack *) fEvent->GetTrack(iT);
 517
 518         if (!track){
 519           track->Delete();
 520           //isTrack=0;
 521           continue;
 522         }
 523
 524         Bool_t trkFlag = 0;
 525
 526         if(fAOD)
 527           trkFlag = ((AliAODTrack *) track)->TestFilterBit(FilterBit);
 528
 529           //TestFilterBit(16) -- Standard Cuts with very loose DCA: GetStandardITSTPCTrackCuts2011(kFALSE) && SetMaxDCAToVertexXY(2.4) && SetMaxDCAToVertexZ(3.2) && SetDCaToVertex2D(kTRUE)
 530
 531           //TestFilterBit(32) (STARDARD) -- Standard Cuts with very tight DCA cut ( 7sigma^primaries: 7*(0.0015+0.0050/pt^1.1) ) : GetStandardITSTPCTrackCuts2011().
 532
 533         else{
 534           //trkFlag = fTrackFilter->IsSelected(((AliESDtrack *) track));
 535         }
 536
 537         Int_t NTpcCls=track->GetTPCNcls();
 538         if(NTpcCls>NminTPCcluster) kTPC=kTRUE;
 539         else kTPC=kFALSE;
 540
 541         if ((TMath::Abs(track->Eta()) > 0.8) || (track->Pt() < 0.2) || !trkFlag || !kTPC){
 542           continue;
 543         }
 544
 545         Double_t b[2] = {-99., -99.};
 546         Double_t bCov[3] = {-99., -99., -99.};
 547         if (!track->PropagateToDCA(fEvent->GetPrimaryVertex(), fEvent->GetMagneticField(), 100., b, bCov))
 548           continue;
 549
 550 //      Float_t Eta = TMath::Abs(track->Eta());
 551         Float_t charge = (Float_t)track->Charge();
 552         Float_t p = track->P();
 553         Float_t pt = track->Pt();
 554         Float_t dedx = track->GetTPCsignal();
 555         Float_t tof  = track->GetTOFsignal()-fPIDResponse->GetTOFResponse().GetStartTime(p);
 556         Float_t pTPC = track->GetTPCmomentum();
 557         Float_t beta = 0.0;
 558         Float_t M2 = 1000.0;
 559         Float_t M = 1000.0;
 560         Float_t Z2 = 1000.0;
 561         Float_t DCAxy = b[1];
 562         Float_t DCAz = b[0];
 563
 564         if(TMath::Abs(DCAz)>DCAzCUT)//CUT ON DCAz
 565           continue;
 566
 567         Bool_t kTpcPure;
 568         kTpcPure = track->GetTPCsignal()>10;
 569
 570         kTOF = (track->GetStatus() & AliVTrack::kTOFout) && (track->GetStatus() & AliVTrack::kTIME);
 571
 572         Float_t nsigmaTPC[9];
 573         Float_t nsigmaTOF[9];
 574
 575         Double_t expdedx[9];
 576 //      Double_t dedxRes[9];
 577
 578         for(Int_t iS=0;iS < 9;iS++){ //TPC expected signal
 579           //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:
 580           expdedx[iS] = fPIDResponse->GetTPCResponse().GetExpectedSignal(track, (AliPID::EParticleType) iS, AliTPCPIDResponse::kdEdxDefault, kTRUE);
 581 //        dedxRes[iS] = fPIDResponse->GetTPCResponse().GetExpectedSigma(track, (AliPID::EParticleType) iS, AliTPCPIDResponse::kdEdxDefault, kTRUE);
 582           //if(iS>6) dedxRes[iS] = expdedx[iS]*0.08; //Temporary solution to measure also He. This line must be removed
 583         }
 584
 585         if(kTpcPure) {
 586           for(Int_t iS=0;iS < 9;iS++){
 587             nsigmaTPC[iS] = fPIDResponse->NumberOfSigmasTPC(track,(AliPID::EParticleType) iS);
 588             //if(iS>6) nsigmaTPC[iS] = (dedx-expdedx[iS])/dedxRes[iS]; // Temporary solution to measure also He. This line must be removed.
 589             fNsigmaTPC[iS]->Fill(pt,nsigmaTPC[iS]);
 590             hDeDxExp[iS]->Fill(pTPC,expdedx[iS]);
 591           }
 592           fdEdxVSp[0]->Fill(pTPC,dedx);
 593           if(charge>0) fdEdxVSp[1]->Fill(pTPC,dedx);
 594           else fdEdxVSp[2]->Fill(pTPC,dedx);
 595         }
 596
 597         Float_t massOverZ[9] = {0.000511,0.105658,0.139570,0.493677,0.938272,1.877837,2.817402,1.408701,1.877837};
 598
 599         Double_t exptimes[9]; // TOF expected times
 600         track->GetIntegratedTimes(exptimes);
 601         exptimes[5] = exptimes[0] / p * massOverZ[5] * TMath::Sqrt(1+p*p/massOverZ[5]/massOverZ[5]);
 602         exptimes[6] = exptimes[0] / p * massOverZ[6] * TMath::Sqrt(1+p*p/massOverZ[6]/massOverZ[6]);
 603         exptimes[7] = exptimes[0] / p * massOverZ[7] * TMath::Sqrt(1+p*p/massOverZ[7]/massOverZ[7]);
 604         exptimes[8] = exptimes[0] / p * massOverZ[8] * TMath::Sqrt(1+p*p/massOverZ[8]/massOverZ[8]);
 605
 606 //      Double_t tofRes[9] = {1000,1000,1000,1000,1000,1000,1000,1000,1000};
 607 //      if(kTOF){
 608 //        for(Int_t iS=0;iS < 9;iS++) tofRes[iS] = fPIDResponse->GetTOFResponse().GetExpectedSigma(p, exptimes[iS], massOverZ[iS]);
 609 //      }
 610
 611         beta=exptimes[0];
 612
 613         if(kTOF) {
 614           for(Int_t iS=0;iS < 9;iS++){
 615             nsigmaTOF[iS] = fPIDResponse->NumberOfSigmasTOF(track,(AliPID::EParticleType) iS);
 616             fNsigmaTOF[iS]->Fill(pt,nsigmaTOF[iS]);
 617             hBetaExp[iS]->Fill(p,beta/exptimes[iS]);
 618           }
 619           if(pt>0.9 && pt<1.0) hTOFSignalPion->Fill(tof-exptimes[2]);
 620           beta=beta/tof;
 621           fBetaTofVSp->Fill(p,beta);
 622         }
 623
 624         Int_t stdFlagPid[9] = {1,2,4,8,16,32,64,128,256};//e,#mu,#pi,K,p,d,t,3He,4He
 625         Int_t FlagPid = 0;
 626         Float_t binPt[nbin+1];
 627
 628         for(Int_t i=0;i<nbin+1;i++) {
 629           binPt[i]=0.4+i*0.1;
 630         }
 631
 632         Float_t binCutPt[10] = {0.3,0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5};
 633
 634         if(kTOF && kTpcPure) {
 635
 636           M2 = (p*p*(1-beta*beta))/(beta*beta);
 637
 638           fM2vsP_NoTpcCut[0]->Fill(M2,p);
 639           if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[0]->Fill(M2,p);
 640
 641           if(M2>0.0) {
 642             M=TMath::Sqrt(M2);
 643             Z2 = TMath::Power(dedx/fPIDResponse->GetTPCResponse().GetExpectedSignal(pTPC*massOverZ[4]/M, AliPID::kProton),0.862);
 644             fM2vsZ[0]->Fill(charge*TMath::Sqrt(Z2),M2);
 645
 646             for(Int_t i=0;i<9;i++) {
 647               if(pt>binCutPt[i] && pt<binCutPt[i+1]){
 648                 fM2vsZ[i+1]->Fill(charge*TMath::Sqrt(Z2),M2);
 649                 break;
 650               }
 651             }
 652           }
 653
 654           if(charge>0) {
 655             fM2vsP_NoTpcCut[1]->Fill(M2,p);
 656             if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[1]->Fill(M2,p);
 657             for(Int_t iS=0;iS < 9;iS++){
 658               fNsigmaTPCvsP_kTOFtrue[iS]->Fill(p,nsigmaTPC[iS]);
 659             }
 660           }
 661           else {//else charge<0
 662             fM2vsP_NoTpcCut[2]->Fill(M2,p);
 663             if(TMath::Abs(DCAxy)<DCAxyCUT) fM2vsP_NoTpcCut_DCAxyCut[2]->Fill(M2,p);
 664
 665             for(Int_t iS=0;iS < 9;iS++){
 666               fNsigmaTPCvsP_kTOFtrue[iS+9]->Fill(p,nsigmaTPC[iS]);
 667             }
 668           }
 669
 670           for(Int_t iS=0;iS<9;iS++) {
 671             if(TMath::Abs(nsigmaTPC[iS])<2) {
 672               FlagPid += ((Int_t)TMath::Power(2,iS));
 673             }
 674           }
 675
 676           for(Int_t iS=0;iS<9;iS++) {
 677             if(FlagPid & stdFlagPid[iS] || !kTPCcut) {
 678               if(charge>0) {
 679                 fM2vsP[iS]->Fill(M2,p);
 680                 for(Int_t j=0;j<nbin;j++) {
 681                   if(pt>binPt[j] && pt<binPt[j+1]) {
 682                     hDCAxy[iS][j]->Fill(DCAxy);
 683                     hDCAxy[iS][j]->Fill(-DCAxy);
 684                     if(TMath::Abs(DCAxy)<DCAxyCUT) {
 685                       hM2CutDCAxy[iS][j]->Fill(M2);
 686                       fM2vsP_DCAxyCut[iS]->Fill(M2,p);
 687                     }
 688                     if(TMath::Abs(DCAxy+0.5)<DCAxyCUT) hM2CutGroundDCAxy[iS][j]->Fill(M2);
 689                     break;
 690                   }
 691                 }
 692               }
 693               else {//if(charge<0)
 694                 fM2vsP[iS+9]->Fill(M2,p);
 695                 for(Int_t j=0;j<nbin;j++) {
 696                   if(pt>binPt[j] && pt<binPt[j+1]) {
 697                     hDCAxy[iS+9][j]->Fill(DCAxy);
 698                     hDCAxy[iS+9][j]->Fill(-DCAxy);
 699                     if(TMath::Abs(DCAxy)<DCAxyCUT) {
 700                       hM2CutDCAxy[iS+9][j]->Fill(M2);
 701                       fM2vsP_DCAxyCut[iS]->Fill(M2,p);
 702                     }
 703                     if(TMath::Abs(DCAxy+0.5)<DCAxyCUT) hM2CutGroundDCAxy[iS+9][j]->Fill(M2);
 704                     break;
 705                   }
 706                 }
 707               }
 708             }
 709           }
 710         }// close (KTOF && kTpcPure request)
 711
 712
 713       } // end track loop
 714
 715     } //window cut centrality close
 716
 717   }
 718
 719 }
 720
 721 //_____________________________________________________________________________
 722 void AliAnalysisNucleiMass::Terminate(Option_t *)
 723 {
 724   // Terminate loop
 725   Printf("Terminate()");
 726 }