PWGLF/SPECTRA/PiKaPr/ITSsa/AliAnalysisTaskSEITSsaSpectra.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 ///////////////////////////////////////////////////////////////////////////
  17 // AliAnalysisTaskSE for the extraction of the various histograms to
  18 // study the pt spectra of identified hadrons:
  19 // - log(dEdx)-log(dEdxBB) distributions for pions, kaons and protons in pt bins
  20 // - Pt distributions of pions, kaons and protons with nSigma PID
  21 // Authors:
  22 // E. Biolcati, biolcati@to.infn.it
  23 // L. Milano, milano@to.infn.it
  24 // F. Prino, prino@to.infn.it
  25 ///////////////////////////////////////////////////////////////////////////
  26
  27 #include <TH1F.h>
  28 #include <TF1.h>
  29 #include <TRandom3.h>
  30 #include <TH2F.h>
  31 #include <TChain.h>
  32 #include <TNtuple.h>
  33 #include <TParticle.h>
  34 #include <Rtypes.h>
  35 #include "AliAnalysisTaskSE.h"
  36 #include "AliAnalysisManager.h"
  37 #include "AliAnalysisDataContainer.h"
  38 #include "AliESDEvent.h"
  39 #include "AliESDInputHandler.h"
  40 #include "AliESDtrack.h"
  41 #include "AliStack.h"
  42 #include "AliMCEventHandler.h"
  43 #include "AliMCEvent.h"
  44 #include "AliPhysicsSelection.h"
  45 #include "AliAnalysisTaskSEITSsaSpectra.h"
  46 #include "AliESDtrackCuts.h"
  47 #include "AliCentrality.h"
  48 #include "AliMultiplicity.h"
  49 #include "AliESDUtils.h"
  50 #include "AliITSPIDResponse.h"
  51
  52 ClassImp(AliAnalysisTaskSEITSsaSpectra)
  53 /* $Id$ */
  54
  55 //________________________________________________________________________
  56 AliAnalysisTaskSEITSsaSpectra::AliAnalysisTaskSEITSsaSpectra():
  57 AliAnalysisTaskSE("taskITSsaSpectra"),
  58   fESD(0),
  59   fOutput(0),
  60   fListCuts(0),
  61   fHistNEvents(0),
  62   fHistMult(0),
  63   fHistCen(0),
  64   fHistNTracks(0),
  65   fHistNTracksPos(0),
  66   fHistNTracksNeg(0),
  67   fHistDEDX(0),
  68   fHistDEDXdouble(0),
  69   fHistBeforeEvSel(0),
  70   fHistAfterEvSel(0),
  71   fDCAxyCutFunc(0x0),
  72   fDCAzCutFunc(0x0),
  73   fITSPIDResponse(0),
  74   fMinSPDPts(1),
  75   fMinNdEdxSamples(3),
  76   fMindEdx(0.),
  77   fMinNSigma(1.5),
  78   fMaxY(0.5),
  79   fMaxChi2Clu(2.5),
  80   fNSigmaDCAxy(7.),
  81   fNSigmaDCAz(7.),
  82   fEtaRange(0.8),
  83   fLowMult(-1),
  84   fUpMult(-1),
  85   fLowCentrality(-1.0),
  86   fUpCentrality(-1.0),
  87   fMultEstimator(0),
  88   fHImode(0),
  89   fYear(2010),
  90   fMC(kFALSE),
  91   fSmearMC(kFALSE),
  92   fSmearP(0.),
  93   fSmeardEdx(0.),
  94   fRandGener(0),
  95   fFillNtuple(kFALSE),
  96   fLowEnergypp(kFALSE),
  97   fNtupleNSigma(0),
  98   fNtupleMC(0)
  99 {
 100   // Constructor
 101   Double_t xbins[kNbins+1]={0.08,0.10,0.12,0.14,0.16,0.18,0.20,0.25,0.30,0.35,0.40,0.45,0.50,0.55,0.60,0.65,0.70,0.75,0.80,0.85,0.90,0.95,1.0};
 102   for(Int_t iBin=0; iBin<kNbins+1; iBin++) fPtBinLimits[iBin]=xbins[iBin];
 103   fRandGener=new TRandom3(0);
 104   DefineInput(0, TChain::Class());
 105   DefineOutput(1, TList::Class());
 106   DefineOutput(2,TList::Class());
 107   Printf("end of AliAnalysisTaskSEITSsaSpectra");
 108 }
 109
 110 //___________________________________________________________________________
 111 AliAnalysisTaskSEITSsaSpectra::~AliAnalysisTaskSEITSsaSpectra(){
 112   // Destructor
 113   if (fOutput) {
 114     delete fOutput;
 115     fOutput = 0;
 116   }
 117   if (fListCuts) {
 118     delete fListCuts;
 119     fListCuts = 0;
 120   }
 121   if(fRandGener) delete fRandGener;
 122   if(fITSPIDResponse) delete fITSPIDResponse;
 123   delete fDCAxyCutFunc;
 124   delete fDCAzCutFunc;
 125 }
 126
 127 //________________________________________________________________________
 128 Double_t AliAnalysisTaskSEITSsaSpectra::CookdEdx(Double_t *s) const {
 129   // truncated mean for the dEdx
 130   Int_t nc=0;
 131   Double_t dedx[4]={0.,0.,0.,0.};
 132   for (Int_t il=0; il<4; il++) { // count good (>0) dE/dx values
 133     if(s[il]>fMindEdx){
 134       dedx[nc]= s[il];
 135       nc++;
 136     }
 137   }
 138   if(nc<fMinNdEdxSamples) return -1.;
 139
 140   Double_t tmp;
 141   Int_t swap; // sort in ascending order
 142   do {
 143     swap=0;
 144     for (Int_t i=0; i<nc-1; i++) {
 145       if (dedx[i]<=dedx[i+1]) continue;
 146       tmp=dedx[i];
 147       dedx[i]=dedx[i+1];
 148       dedx[i+1]=tmp;
 149       swap++;
 150     }
 151   } while (swap);
 152
 153   Double_t sumamp=0,sumweight=0;
 154   Double_t weight[4]={1.,1.,0.,0.};
 155   if(nc==3) weight[1]=0.5;
 156   else if(nc<3) weight[1]=0.;
 157   for (Int_t i=0; i<nc; i++) {
 158     sumamp+= dedx[i]*weight[i];
 159     sumweight+=weight[i];
 160   }
 161   return sumamp/sumweight;
 162 }
 163
 164
 165 //________________________________________________________________________
 166 Bool_t AliAnalysisTaskSEITSsaSpectra::DCAcut(Double_t impactXY, Double_t impactZ, Double_t pt) const {
 167   // cut on transverse impact parameter updaated on 20-5-2010
 168   // from the study of L. Milano, F. Prino on the ITS standalone tracks
 169   // using the common binning of the TPC tracks
 170
 171   Double_t xyMax = fDCAxyCutFunc->Eval(pt); //in micron
 172   if((TMath::Abs(impactXY)*10000)>xyMax) return kFALSE;
 173   Double_t zMax = fDCAzCutFunc->Eval(pt); //in micron
 174   if((TMath::Abs(impactZ)*10000)>zMax) return kFALSE;
 175
 176   return kTRUE;
 177 }
 178
 179 //________________________________________________________________________
 180 Double_t AliAnalysisTaskSEITSsaSpectra::Eta2y(Double_t pt, Double_t m, Double_t eta) const {
 181   // convert eta to y
 182   Double_t mt = TMath::Sqrt(m*m + pt*pt);
 183   return TMath::ASinH(pt/mt*TMath::SinH(eta));
 184 }
 185
 186
 187 //________________________________________________________________________
 188 void AliAnalysisTaskSEITSsaSpectra::Init(){
 189   //
 190   // Initialization
 191   //
 192   fListCuts=new TList();
 193   fListCuts->SetOwner();
 194   Double_t xyP[3];
 195   Double_t zP[3];
 196   if(fMC){
 197     if(fYear==2009){
 198       xyP[0]=88.63; //MC LHC10a12
 199       xyP[1]=19.57;
 200       xyP[2]=1.65;
 201       zP[0]=140.98;
 202       zP[1]=62.33;
 203       zP[2]=1.15;
 204     }else{
 205       xyP[0]=36.; //MC LHC10d1
 206       xyP[1]=43.9;
 207       xyP[2]=1.3;
 208       zP[0]=111.9;
 209       zP[1]=59.8;
 210       zP[2]=1.2;
 211     }
 212   }else{
 213     if(fYear==2009){
 214       xyP[0]=85.28;//DATA 900 GeV pass6
 215       xyP[1]=25.78;
 216       xyP[2]=1.55;
 217       zP[0]=146.80;
 218       zP[1]=70.07;
 219       zP[2]=1.11;
 220     }else{
 221       xyP[0]=32.7;//DATA 7 TeV pass2
 222       xyP[1]=44.8;
 223       xyP[2]=1.3;
 224       zP[0]=117.3;
 225       zP[1]=66.8;
 226       zP[2]=1.2;
 227     }
 228   }
 229   fDCAxyCutFunc = new TF1("fDCAxyCutFunc","[3]*([0]+[1]/TMath::Power(TMath::Abs(x),[2]))",0.05,10.);
 230   for(Int_t ipar=0; ipar<3; ipar++) fDCAxyCutFunc->SetParameter(ipar,xyP[ipar]);
 231   fDCAxyCutFunc->SetParameter(3,fNSigmaDCAxy);
 232
 233
 234
 235   fDCAzCutFunc = new TF1("fDCAzCutFunc","[3]*([0]+[1]/TMath::Power(TMath::Abs(x),[2]))",0.05,10.);
 236   for(Int_t ipar=0; ipar<3; ipar++) fDCAzCutFunc->SetParameter(ipar,zP[ipar]);
 237   fDCAzCutFunc->SetParameter(3,fNSigmaDCAz);
 238
 239   fListCuts->Add(fDCAxyCutFunc);
 240   fListCuts->Add(fDCAzCutFunc);
 241
 242   PostData(2,fListCuts);
 243 }
 244
 245 //________________________________________________________________________
 246 void AliAnalysisTaskSEITSsaSpectra::UserCreateOutputObjects(){
 247   // Create a TList with histograms and a TNtuple
 248   // Called once
 249
 250   fOutput = new TList();
 251   fOutput->SetOwner();
 252   fOutput->SetName("Spiderman");
 253
 254   fHistNEvents = new TH1F("fHistNEvents", "Number of processed events",9,-1.5,7.5);
 255   fHistNEvents->Sumw2();
 256   fHistNEvents->SetMinimum(0);
 257   fHistNEvents->GetXaxis()->SetBinLabel(1,"Read from ESD");
 258   fHistNEvents->GetXaxis()->SetBinLabel(2,"Pass Phys. Sel. + Trig");
 259   fHistNEvents->GetXaxis()->SetBinLabel(3,"SDD read out");
 260   fHistNEvents->GetXaxis()->SetBinLabel(4,"In mult. range");
 261   fHistNEvents->GetXaxis()->SetBinLabel(5,"With SPD vertex");
 262   fHistNEvents->GetXaxis()->SetBinLabel(6,"Vertex contributors >0");
 263   fHistNEvents->GetXaxis()->SetBinLabel(7,"|zVertex|<10");
 264   fHistNEvents->GetXaxis()->SetBinLabel(8,"Error on zVertex<0.5");
 265   fHistNEvents->GetXaxis()->SetBinLabel(9,"Good Z vertex");
 266   fOutput->Add(fHistNEvents);
 267
 268   fHistMult = new TH1F("fHistMult", "Event Multiplicity",3000,-0.5,2999.5);
 269   fHistMult->Sumw2();
 270   fHistMult->SetMinimum(0);
 271   if(fMultEstimator==0) fHistMult->GetXaxis()->SetTitle("Multiplicity |#eta|<0.8");
 272   else if(fMultEstimator==1) fHistMult->GetXaxis()->SetTitle("Tracklets |#eta|<0.8");
 273   else if(fMultEstimator==2) fHistMult->GetXaxis()->SetTitle("Clusters on SPD1");
 274   fOutput->Add(fHistMult);
 275
 276   fHistCen = new TH1F("fHistCen", "Event Centrality",101,-0.5,100.5);
 277   fHistCen->Sumw2();
 278   fHistCen->SetMinimum(0);
 279   fOutput->Add(fHistCen);
 280
 281   fHistNTracks = new TH1F("fHistNTracks", "Number of ITSsa tracks",20,0.5,20.5);
 282   fHistNTracks->Sumw2();
 283   fHistNTracks->SetMinimum(0);
 284   fOutput->Add(fHistNTracks);
 285
 286   fHistNTracksPos = new TH1F("fHistNTracksPos", "Number of positive ITSsa tracks",20,0.5,20.5);
 287   fHistNTracksPos->Sumw2();
 288   fHistNTracksPos->SetMinimum(0);
 289   fOutput->Add(fHistNTracksPos);
 290
 291   fHistNTracksNeg = new TH1F("fHistNTracksNeg", "Number of negative ITSsa tracks",20,0.5,20.5);
 292   fHistNTracksNeg->Sumw2();
 293   fHistNTracksNeg->SetMinimum(0);
 294   fOutput->Add(fHistNTracksNeg);
 295
 296   //binning for the histogram
 297   const Int_t hnbins=400;
 298   Double_t hxmin = 0.01;
 299   Double_t hxmax = 10;
 300   Double_t hlogxmin = TMath::Log10(hxmin);
 301   Double_t hlogxmax = TMath::Log10(hxmax);
 302   Double_t hbinwidth = (hlogxmax-hlogxmin)/hnbins;
 303   Double_t hxbins[hnbins+1];
 304   hxbins[0] = 0.01;
 305   for (Int_t i=1;i<=hnbins;i++) {
 306     hxbins[i] = hxmin + TMath::Power(10,hlogxmin+i*hbinwidth);
 307   }
 308
 309   fHistDEDX = new TH2F("fHistDEDX","",hnbins,hxbins,900,0,1000);
 310   fOutput->Add(fHistDEDX);
 311
 312   fHistDEDXdouble = new TH2F("fHistDEDXdouble","",500,-5,5,900,0,1000);
 313   fOutput->Add(fHistDEDXdouble);
 314
 315   fHistBeforeEvSel = new TH1F("fHistBeforeEvSel","fHistBeforeEvSel",kNbins,fPtBinLimits);
 316   fHistAfterEvSel = new TH1F("fHistAfterEvSel","fHistAfterEvSel",kNbins,fPtBinLimits);
 317   fOutput->Add(fHistBeforeEvSel);
 318   fOutput->Add(fHistAfterEvSel);
 319
 320
 321
 322   for(Int_t j=0;j<3;j++){
 323
 324     fHistPosNSigmaSep[j] = new TH2F(Form("fHistPosNSigmaSep%d",j),"",hnbins,hxbins,1000,-10,10);
 325     fOutput->Add(fHistPosNSigmaSep[j]);
 326     fHistNegNSigmaSep[j] = new TH2F(Form("fHistNegNSigmaSep%d",j),"",hnbins,hxbins,1000,-10,10);
 327     fOutput->Add(fHistNegNSigmaSep[j]);
 328
 329     fHistPrimMCpos[j] = new TH1F(Form("fHistPrimMCpos%d",j),Form("fHistPrimMCpos%d",j),kNbins,fPtBinLimits);
 330     fHistPrimMCneg[j] = new TH1F(Form("fHistPrimMCneg%d",j),Form("fHistPrimMCneg%d",j),kNbins,fPtBinLimits);
 331     fOutput->Add(fHistPrimMCneg[j]);
 332     fOutput->Add(fHistPrimMCpos[j]);
 333     fHistSecStrMCpos[j] = new TH1F(Form("fHistSecStrMCpos%d",j),Form("fHistSecStrMCpos%d",j),kNbins,fPtBinLimits);
 334     fHistSecStrMCneg[j] = new TH1F(Form("fHistSecStrMCneg%d",j),Form("fHistSecStrMCneg%d",j),kNbins,fPtBinLimits);
 335     fOutput->Add(fHistSecStrMCneg[j]);
 336     fOutput->Add(fHistSecStrMCpos[j]);
 337     fHistSecMatMCpos[j] = new TH1F(Form("fHistSecMatMCpos%d",j),Form("fHistSecMatMCpos%d",j),kNbins,fPtBinLimits);
 338     fHistSecMatMCneg[j] = new TH1F(Form("fHistSecMatMCneg%d",j),Form("fHistSecMatMCneg%d",j),kNbins,fPtBinLimits);
 339     fOutput->Add(fHistSecMatMCneg[j]);
 340     fOutput->Add(fHistSecMatMCpos[j]);
 341     //
 342     fHistPrimMCposBefEvSel[j] = new TH1F(Form("fHistPrimMCposBefEvSel%d",j),Form("fHistPrimMCposBefEvSel%d",j),kNbins,fPtBinLimits);
 343     fHistPrimMCnegBefEvSel[j] = new TH1F(Form("fHistPrimMCnegBefEvSel%d",j),Form("fHistPrimMCnegBefEvSel%d",j),kNbins,fPtBinLimits);
 344     fOutput->Add(fHistPrimMCnegBefEvSel[j]);
 345     fOutput->Add(fHistPrimMCposBefEvSel[j]);
 346     fHistSecStrMCposBefEvSel[j] = new TH1F(Form("fHistSecStrMCposBefEvSel%d",j),Form("fHistSecStrMCposBefEvSel%d",j),kNbins,fPtBinLimits);
 347     fHistSecStrMCnegBefEvSel[j] = new TH1F(Form("fHistSecStrMCnegBefEvSel%d",j),Form("fHistSecStrMCnegBefEvSel%d",j),kNbins,fPtBinLimits);
 348     fOutput->Add(fHistSecStrMCnegBefEvSel[j]);
 349     fOutput->Add(fHistSecStrMCposBefEvSel[j]);
 350     fHistSecMatMCposBefEvSel[j] = new TH1F(Form("fHistSecMatMCposBefEvSel%d",j),Form("fHistSecMatMCposBefEvSel%d",j),kNbins,fPtBinLimits);
 351     fHistSecMatMCnegBefEvSel[j] = new TH1F(Form("fHistSecMatMCnegBefEvSel%d",j),Form("fHistSecMatMCnegBefEvSel%d",j),kNbins,fPtBinLimits);
 352     fOutput->Add(fHistSecMatMCnegBefEvSel[j]);
 353     fOutput->Add(fHistSecMatMCposBefEvSel[j]);
 354     //
 355     fHistPrimMCposReco[j] = new TH1F(Form("fHistPrimMCposReco%d",j),Form("fHistPrimMCposReco%d",j),kNbins,fPtBinLimits);
 356     fHistPrimMCnegReco[j] = new TH1F(Form("fHistPrimMCnegReco%d",j),Form("fHistPrimMCnegReco%d",j),kNbins,fPtBinLimits);
 357     fOutput->Add(fHistPrimMCnegReco[j]);
 358     fOutput->Add(fHistPrimMCposReco[j]);
 359     fHistSecStrMCposReco[j] = new TH1F(Form("fHistSecStrMCposReco%d",j),Form("fHistSecStrMCposReco%d",j),kNbins,fPtBinLimits);
 360     fHistSecStrMCnegReco[j] = new TH1F(Form("fHistSecStrMCnegReco%d",j),Form("fHistSecStrMCnegReco%d",j),kNbins,fPtBinLimits);
 361     fOutput->Add(fHistSecStrMCnegReco[j]);
 362     fOutput->Add(fHistSecStrMCposReco[j]);
 363     fHistSecMatMCposReco[j] = new TH1F(Form("fHistSecMatMCposReco%d",j),Form("fHistSecMatMCposReco%d",j),kNbins,fPtBinLimits);
 364     fHistSecMatMCnegReco[j] = new TH1F(Form("fHistSecMatMCnegReco%d",j),Form("fHistSecMatMCnegReco%d",j),kNbins,fPtBinLimits);
 365     fOutput->Add(fHistSecMatMCnegReco[j]);
 366     fOutput->Add(fHistSecMatMCposReco[j]);
 367
 368   }
 369
 370   for(Int_t i=0; i<4; i++){
 371     fHistCharge[i] = new TH1F(Form("fHistChargeLay%d",i),Form("fHistChargeLay%d",i),100,0,300);
 372     fOutput->Add(fHistCharge[i]);
 373   }
 374
 375   for(Int_t i=0; i<kNbins; i++){
 376     fHistPosPi[i] = new TH1F(Form("fHistPosPi%d",i),Form("fHistPosPi%d",i),175,-3.5,3.5);
 377     fHistPosK[i]  = new TH1F(Form("fHistPosK%d",i),Form("fHistPosK%d",i),175,-3.5,3.5);
 378     fHistPosP[i]  = new TH1F(Form("fHistPosP%d",i),Form("fHistPosP%d",i),175,-3.5,3.5);
 379     fHistNegPi[i] = new TH1F(Form("fHistNegPi%d",i),Form("fHistNegPi%d",i),175,-3.5,3.5);
 380     fHistNegK[i]  = new TH1F(Form("fHistNegK%d",i),Form("fHistNegK%d",i),175,-3.5,3.5);
 381     fHistNegP[i]  = new TH1F(Form("fHistNegP%d",i),Form("fHistNegP%d",i),175,-3.5,3.5);
 382
 383     fHistDCAPosPi[i] = new TH1F(Form("fHistDCAPosPi%d",i),Form("fHistDCAPosPi%d",i),2000,-1,1);  //DCA distr. with NSigma PID
 384     fHistDCAPosK[i]  = new TH1F(Form("fHistDCAPosK%d",i),Form("fHistDCAPosK%d",i),2000,-1,1);
 385     fHistDCAPosP[i]  = new TH1F(Form("fHistDCAPosP%d",i),Form("fHistDCAPosP%d",i),2000,-1,1);
 386     fHistDCANegPi[i] = new TH1F(Form("fHistDCANegPi%d",i),Form("fHistDCANegPi%d",i),2000,-1,1);
 387     fHistDCANegK[i]  = new TH1F(Form("fHistDCANegK%d",i),Form("fHistDCANegK%d",i),2000,-1,1);
 388     fHistDCANegP[i]  = new TH1F(Form("fHistDCANegP%d",i),Form("fHistDCANegP%d",i),2000,-1,1);
 389
 390     fHistMCPrimDCAPosPi[i] = new TH1F(Form("fHistMCPrimDCAPosPi%d",i),Form("fHistMCPrimDCAPosPi%d",i),2000,-1,1);  //DCA distr. with MC truth
 391     fHistMCPrimDCAPosK[i]  = new TH1F(Form("fHistMCPrimDCAPosK%d",i),Form("fHistMCPrimDCAPosK%d",i),2000,-1,1);
 392     fHistMCPrimDCAPosP[i]  = new TH1F(Form("fHistMCPrimDCAPosP%d",i),Form("fHistMCPrimDCAPosP%d",i),2000,-1,1);
 393     fHistMCPrimDCANegPi[i] = new TH1F(Form("fHistMCPrimDCANegPi%d",i),Form("fHistMCPrimDCANegPi%d",i),2000,-1,1);
 394     fHistMCPrimDCANegK[i]  = new TH1F(Form("fHistMCPrimDCANegK%d",i),Form("fHistMCPrimDCANegK%d",i),2000,-1,1);
 395     fHistMCPrimDCANegP[i]  = new TH1F(Form("fHistMCPrimDCANegP%d",i),Form("fHistMCPrimDCANegP%d",i),2000,-1,1);
 396
 397     fHistMCSecStDCAPosPi[i] = new TH1F(Form("fHistMCSecStDCAPosPi%d",i),Form("fHistMCSecStDCAPosPi%d",i),2000,-1,1);  //DCA distr. with MC truth
 398     fHistMCSecStDCAPosK[i]  = new TH1F(Form("fHistMCSecStDCAPosK%d",i),Form("fHistMCSecStDCAPosK%d",i),2000,-1,1);
 399     fHistMCSecStDCAPosP[i]  = new TH1F(Form("fHistMCSecStDCAPosP%d",i),Form("fHistMCSecStDCAPosP%d",i),2000,-1,1);
 400     fHistMCSecStDCANegPi[i] = new TH1F(Form("fHistMCSecStDCANegPi%d",i),Form("fHistMCSecStDCANegPi%d",i),2000,-1,1);
 401     fHistMCSecStDCANegK[i]  = new TH1F(Form("fHistMCSecStDCANegK%d",i),Form("fHistMCSecStDCANegK%d",i),2000,-1,1);
 402     fHistMCSecStDCANegP[i]  = new TH1F(Form("fHistMCSecStDCANegP%d",i),Form("fHistMCSecStDCANegP%d",i),2000,-1,1);
 403
 404     fHistMCSecMatDCAPosPi[i] = new TH1F(Form("fHistMCSecMatDCAPosPi%d",i),Form("fHistMCSecMatDCAPosPi%d",i),2000,-1,1);  //DCA distr. with MC truth
 405     fHistMCSecMatDCAPosK[i]  = new TH1F(Form("fHistMCSecMatDCAPosK%d",i),Form("fHistMCSecMatDCAPosK%d",i),2000,-1,1);
 406     fHistMCSecMatDCAPosP[i]  = new TH1F(Form("fHistMCSecMatDCAPosP%d",i),Form("fHistMCSecMatDCAPosP%d",i),2000,-1,1);
 407     fHistMCSecMatDCANegPi[i] = new TH1F(Form("fHistMCSecMatDCANegPi%d",i),Form("fHistMCSecMatDCANegPi%d",i),2000,-1,1);
 408     fHistMCSecMatDCANegK[i]  = new TH1F(Form("fHistMCSecMatDCANegK%d",i),Form("fHistMCSecMatDCANegK%d",i),2000,-1,1);
 409     fHistMCSecMatDCANegP[i]  = new TH1F(Form("fHistMCSecMatDCANegP%d",i),Form("fHistMCSecMatDCANegP%d",i),2000,-1,1);
 410
 411     fHistMCPosOtherHypPion[i] = new TH1F(Form("fHistMCPosOtherHypPion%d",i),Form("fHistMCPosOtherHypPion%d",i),175,-3.5,3.5);   //MC truth
 412     fHistMCPosOtherHypKaon[i] = new TH1F(Form("fHistMCPosOtherHypKaon%d",i),Form("fHistMCPosOtherHypKaon%d",i),175,-3.5,3.5);
 413     fHistMCPosOtherHypProton[i] = new TH1F(Form("fHistMCPosOtherHypProton%d",i),Form("fHistMCPosOtherHypProton%d",i),175,-3.5,3.5);
 414     fHistMCPosElHypPion[i] = new TH1F(Form("fHistMCPosElHypPion%d",i),Form("fHistMCPosElHypPion%d",i),175,-3.5,3.5);
 415     fHistMCPosElHypKaon[i] = new TH1F(Form("fHistMCPosElHypKaon%d",i),Form("fHistMCPosElHypKaon%d",i),175,-3.5,3.5);
 416     fHistMCPosElHypProton[i] = new TH1F(Form("fHistMCPosElHypProton%d",i),Form("fHistMCPosElHypProton%d",i),175,-3.5,3.5);
 417     fHistMCPosPiHypPion[i] = new TH1F(Form("fHistMCPosPiHypPion%d",i),Form("fHistMCPosPiHypPion%d",i),175,-3.5,3.5);
 418     fHistMCPosPiHypKaon[i] = new TH1F(Form("fHistMCPosPiHypKaon%d",i),Form("fHistMCPosPiHypKaon%d",i),175,-3.5,3.5);
 419     fHistMCPosPiHypProton[i] = new TH1F(Form("fHistMCPosPiHypProton%d",i),Form("fHistMCPosPiHypProton%d",i),175,-3.5,3.5);
 420     fHistMCPosKHypPion[i] = new TH1F(Form("fHistMCPosKHypPion%d",i),Form("fHistMCPosKHypPion%d",i),175,-3.5,3.5);
 421     fHistMCPosKHypKaon[i]  = new TH1F(Form("fHistMCPosKHypKaon%d",i),Form("fHistMCPosKHypKaon%d",i),175,-3.5,3.5);
 422     fHistMCPosKHypProton[i] = new TH1F(Form("fHistMCPosKHypProton%d",i),Form("fHistMCPosKHypProton%d",i),175,-3.5,3.5);
 423     fHistMCPosPHypPion[i] = new TH1F(Form("fHistMCPosPHypPion%d",i),Form("fHistMCPosPHypPion%d",i),175,-3.5,3.5);
 424     fHistMCPosPHypKaon[i] = new TH1F(Form("fHistMCPosPHypKaon%d",i),Form("fHistMCPosPHypKaon%d",i),175,-3.5,3.5);
 425     fHistMCPosPHypProton[i]  = new TH1F(Form("fHistMCPosPHypProton%d",i),Form("fHistMCPosPHypProton%d",i),175,-3.5,3.5);
 426
 427     fHistMCNegOtherHypPion[i] = new TH1F(Form("fHistMCNegOtherHypPion%d",i),Form("fHistMCNegOtherHypPion%d",i),175,-3.5,3.5);   //MC truth
 428     fHistMCNegOtherHypKaon[i] = new TH1F(Form("fHistMCNegOtherHypKaon%d",i),Form("fHistMCNegOtherHypKaon%d",i),175,-3.5,3.5);
 429     fHistMCNegOtherHypProton[i] = new TH1F(Form("fHistMCNegOtherHypProton%d",i),Form("fHistMCNegOtherHypProton%d",i),175,-3.5,3.5);
 430     fHistMCNegElHypPion[i] = new TH1F(Form("fHistMCNegElHypPion%d",i),Form("fHistMCNegElHypPion%d",i),175,-3.5,3.5);
 431     fHistMCNegElHypKaon[i] = new TH1F(Form("fHistMCNegElHypKaon%d",i),Form("fHistMCNegElHypKaon%d",i),175,-3.5,3.5);
 432     fHistMCNegElHypProton[i] = new TH1F(Form("fHistMCNegElHypProton%d",i),Form("fHistMCNegElHypProton%d",i),175,-3.5,3.5);
 433     fHistMCNegPiHypPion[i] = new TH1F(Form("fHistMCNegPiHypPion%d",i),Form("fHistMCNegPiHypPion%d",i),175,-3.5,3.5);
 434     fHistMCNegPiHypKaon[i] = new TH1F(Form("fHistMCNegPiHypKaon%d",i),Form("fHistMCNegPiHypKaon%d",i),175,-3.5,3.5);
 435     fHistMCNegPiHypProton[i] = new TH1F(Form("fHistMCNegPiHypProton%d",i),Form("fHistMCNegPiHypProton%d",i),175,-3.5,3.5);
 436     fHistMCNegKHypPion[i] = new TH1F(Form("fHistMCNegKHypPion%d",i),Form("fHistMCNegKHypPion%d",i),175,-3.5,3.5);
 437     fHistMCNegKHypKaon[i]  = new TH1F(Form("fHistMCNegKHypKaon%d",i),Form("fHistMCNegKHypKaon%d",i),175,-3.5,3.5);
 438     fHistMCNegKHypProton[i] = new TH1F(Form("fHistMCNegKHypProton%d",i),Form("fHistMCNegKHypProton%d",i),175,-3.5,3.5);
 439     fHistMCNegPHypPion[i] = new TH1F(Form("fHistMCNegPHypPion%d",i),Form("fHistMCNegPHypPion%d",i),175,-3.5,3.5);
 440     fHistMCNegPHypKaon[i] = new TH1F(Form("fHistMCNegPHypKaon%d",i),Form("fHistMCNegPHypKaon%d",i),175,-3.5,3.5);
 441     fHistMCNegPHypProton[i]  = new TH1F(Form("fHistMCNegPHypProton%d",i),Form("fHistMCNegPHypProton%d",i),175,-3.5,3.5);
 442
 443
 444     fOutput->Add(fHistPosPi[i]);
 445     fOutput->Add(fHistPosK[i]);
 446     fOutput->Add(fHistPosP[i]);
 447     fOutput->Add(fHistNegPi[i]);
 448     fOutput->Add(fHistNegK[i]);
 449     fOutput->Add(fHistNegP[i]);
 450
 451     fOutput->Add(fHistDCAPosPi[i]); //DCA distr
 452     fOutput->Add(fHistDCAPosK[i]);
 453     fOutput->Add(fHistDCAPosP[i]);
 454     fOutput->Add(fHistDCANegPi[i]);
 455     fOutput->Add(fHistDCANegK[i]);
 456     fOutput->Add(fHistDCANegP[i]);
 457
 458     fOutput->Add(fHistMCPrimDCAPosPi[i]);//DCA distr.
 459     fOutput->Add(fHistMCPrimDCAPosK[i]);
 460     fOutput->Add(fHistMCPrimDCAPosP[i]);
 461     fOutput->Add(fHistMCPrimDCANegPi[i]);
 462     fOutput->Add(fHistMCPrimDCANegK[i]);
 463     fOutput->Add(fHistMCPrimDCANegP[i]);
 464
 465     fOutput->Add(fHistMCSecStDCAPosPi[i]);//DCA distr.
 466     fOutput->Add(fHistMCSecStDCAPosK[i]);
 467     fOutput->Add(fHistMCSecStDCAPosP[i]);
 468     fOutput->Add(fHistMCSecStDCANegPi[i]);
 469     fOutput->Add(fHistMCSecStDCANegK[i]);
 470     fOutput->Add(fHistMCSecStDCANegP[i]);
 471
 472     fOutput->Add(fHistMCSecMatDCAPosPi[i]);//DCA distr.
 473     fOutput->Add(fHistMCSecMatDCAPosK[i]);
 474     fOutput->Add(fHistMCSecMatDCAPosP[i]);
 475     fOutput->Add(fHistMCSecMatDCANegPi[i]);
 476     fOutput->Add(fHistMCSecMatDCANegK[i]);
 477     fOutput->Add(fHistMCSecMatDCANegP[i]);
 478
 479     fOutput->Add(fHistMCPosOtherHypPion[i]);//MC truth
 480     fOutput->Add(fHistMCPosOtherHypKaon[i]);
 481     fOutput->Add(fHistMCPosOtherHypProton[i]);
 482     fOutput->Add(fHistMCPosElHypPion[i]);
 483     fOutput->Add(fHistMCPosElHypKaon[i]);
 484     fOutput->Add(fHistMCPosElHypProton[i]);
 485     fOutput->Add(fHistMCPosPiHypPion[i]);
 486     fOutput->Add(fHistMCPosPiHypKaon[i]);
 487     fOutput->Add(fHistMCPosPiHypProton[i]);
 488     fOutput->Add(fHistMCPosKHypPion[i]);
 489     fOutput->Add(fHistMCPosKHypKaon[i]);
 490     fOutput->Add(fHistMCPosKHypProton[i]);
 491     fOutput->Add(fHistMCPosPHypPion[i]);
 492     fOutput->Add(fHistMCPosPHypKaon[i]);
 493     fOutput->Add(fHistMCPosPHypProton[i]);
 494
 495     fOutput->Add(fHistMCNegOtherHypPion[i]);//MC truth
 496     fOutput->Add(fHistMCNegOtherHypKaon[i]);
 497     fOutput->Add(fHistMCNegOtherHypProton[i]);
 498     fOutput->Add(fHistMCNegElHypPion[i]);
 499     fOutput->Add(fHistMCNegElHypKaon[i]);
 500     fOutput->Add(fHistMCNegElHypProton[i]);
 501     fOutput->Add(fHistMCNegPiHypPion[i]);
 502     fOutput->Add(fHistMCNegPiHypKaon[i]);
 503     fOutput->Add(fHistMCNegPiHypProton[i]);
 504     fOutput->Add(fHistMCNegKHypPion[i]);
 505     fOutput->Add(fHistMCNegKHypKaon[i]);
 506     fOutput->Add(fHistMCNegKHypProton[i]);
 507     fOutput->Add(fHistMCNegPHypPion[i]);
 508     fOutput->Add(fHistMCNegPHypKaon[i]);
 509     fOutput->Add(fHistMCNegPHypProton[i]);
 510
 511   }
 512
 513   //NSigma Histos
 514   for(Int_t j=0;j<3;j++){
 515
 516     fHistPosNSigmaMean[j] = new TH1F(Form("hHistPosNSigmaMean%d",j),Form("hHistPosNSigmaMean%d",j),kNbins,fPtBinLimits);
 517     fHistNegNSigmaMean[j] = new TH1F(Form("hHistNegNSigmaMean%d",j),Form("hHistNegNSigmaMean%d",j),kNbins,fPtBinLimits);
 518     fHistPosNSigmaMCMean[j] = new TH1F(Form("hHistPosNSigmaMCMean%d",j),Form("hHistPosNSigmaMCMean%d",j),kNbins,fPtBinLimits);
 519     fHistNegNSigmaMCMean[j] = new TH1F(Form("hHistNegNSigmaMCMean%d",j),Form("hHistNegNSigmaMCMean%d",j),kNbins,fPtBinLimits);
 520     fHistPosNSigmaPrimMean[j] = new TH1F(Form("hHistPosNSigmaPrimMean%d",j),Form("hHistPosNSigmaPrimMean%d",j),kNbins,fPtBinLimits);
 521     fHistNegNSigmaPrimMean[j] = new TH1F(Form("hHistNegNSigmaPrimMean%d",j),Form("hHistNegNSigmaPrimMean%d",j),kNbins,fPtBinLimits);
 522     fHistPosNSigmaPrimMCMean[j] = new TH1F(Form("hHistPosNSigmaPrimMCMean%d",j),Form("hHistPosNSigmaPrimMCMean%d",j),kNbins,fPtBinLimits);
 523     fHistNegNSigmaPrimMCMean[j] = new TH1F(Form("hHistNegNSigmaPrimMCMean%d",j),Form("hHistNegNSigmaPrimMCMean%d",j),kNbins,fPtBinLimits);
 524     fOutput->Add(fHistPosNSigmaMean[j]);
 525     fOutput->Add(fHistNegNSigmaMean[j]);
 526     fOutput->Add(fHistPosNSigmaMCMean[j]);
 527     fOutput->Add(fHistNegNSigmaMCMean[j]);
 528     fOutput->Add(fHistPosNSigmaPrimMean[j]);
 529     fOutput->Add(fHistNegNSigmaPrimMean[j]);
 530     fOutput->Add(fHistPosNSigmaPrimMCMean[j]);
 531     fOutput->Add(fHistNegNSigmaPrimMCMean[j]);
 532
 533     fHistPosNSigma[j] = new TH1F(Form("hHistPosNSigma%d",j),Form("hHistPosNSigma%d",j),kNbins,fPtBinLimits);
 534     fHistNegNSigma[j] = new TH1F(Form("hHistNegNSigma%d",j),Form("hHistNegNSigma%d",j),kNbins,fPtBinLimits);
 535     fHistPosNSigmaMC[j] = new TH1F(Form("hHistPosNSigmaMC%d",j),Form("hHistPosNSigmaMC%d",j),kNbins,fPtBinLimits);
 536     fHistNegNSigmaMC[j] = new TH1F(Form("hHistNegNSigmaMC%d",j),Form("hHistNegNSigmaMC%d",j),kNbins,fPtBinLimits);
 537     fHistPosNSigmaPrim[j] = new TH1F(Form("hHistPosNSigmaPrim%d",j),Form("hHistPosNSigmaPrim%d",j),kNbins,fPtBinLimits);
 538     fHistNegNSigmaPrim[j] = new TH1F(Form("hHistNegNSigmaPrim%d",j),Form("hHistNegNSigmaPrim%d",j),kNbins,fPtBinLimits);
 539     fHistPosNSigmaPrimMC[j] = new TH1F(Form("hHistPosNSigmaPrimMC%d",j),Form("hHistPosNSigmaPrimMC%d",j),kNbins,fPtBinLimits);
 540     fHistNegNSigmaPrimMC[j] = new TH1F(Form("hHistNegNSigmaPrimMC%d",j),Form("hHistNegNSigmaPrimMC%d",j),kNbins,fPtBinLimits);
 541     fOutput->Add(fHistPosNSigma[j]);
 542     fOutput->Add(fHistNegNSigma[j]);
 543     fOutput->Add(fHistPosNSigmaMC[j]);
 544     fOutput->Add(fHistNegNSigmaMC[j]);
 545     fOutput->Add(fHistPosNSigmaPrim[j]);
 546     fOutput->Add(fHistNegNSigmaPrim[j]);
 547     fOutput->Add(fHistPosNSigmaPrimMC[j]);
 548     fOutput->Add(fHistNegNSigmaPrimMC[j]);
 549
 550   }
 551
 552   fNtupleNSigma = new TNtuple("fNtupleNSigma","fNtupleNSigma","p:pt:dedx:dedx3:dedx4:dedx5:dedx6:ncls:nclspid:sign:run:eta:impactXY:impactZ:isph:pdgcode:mfl:uniqueID:chi2ncls");
 553   fOutput->Add(fNtupleNSigma);
 554   fNtupleMC = new TNtuple("fNtupleMC","fNtupleMC","ptMC:pdgcode:signMC:etaMC:yMC:isph:evSel:run");
 555   fOutput->Add(fNtupleMC);
 556
 557
 558
 559   // Post output data.
 560   PostData(1,fOutput);
 561
 562   Printf("end of CreateOutputObjects");
 563 }
 564
 565 //________________________________________________________________________
 566 void AliAnalysisTaskSEITSsaSpectra::UserExec(Option_t *){
 567   // Main loop
 568   // Called for each event
 569
 570   ///////////////////////////////////////
 571   //variables
 572   Float_t pdgmass[4]={0.13957,0.493677,0.938272,1.8756}; //mass for pi, K, P (Gev/c^2)
 573   Int_t listcode[3]={211,321,2212};//code for pi, K, P (Gev/c^2)
 574   Double_t dedxLay[4];
 575   Float_t ptMC=-999;
 576   Int_t code=-999, signMC=-999,isph=-999,mfl=-999,uniqueID=-999;
 577   Float_t impactXY=-999, impactZ=-999;
 578   Int_t evSel=1;
 579   AliESDtrack* track;
 580   UInt_t status;
 581   AliStack* stack=0;
 582   TParticle *part=0;
 583   TParticlePDG *pdgPart=0;
 584
 585   /////////////////////
 586
 587   fESD=(AliESDEvent*)InputEvent();
 588   if(!fESD) {
 589     printf("AliAnalysisTaskSDDRP::Exec(): bad ESD\n");
 590     return;
 591   }
 592   fHistNEvents->Fill(-1);
 593
 594   UInt_t maskPhysSel = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected();
 595   TString firedTriggerClasses=fESD->GetFiredTriggerClasses();
 596   //  if(!firedTriggerClasses.Contains("CINT1B")) return;
 597   if((maskPhysSel & AliVEvent::kMB)==0) return;
 598   fHistNEvents->Fill(0);
 599
 600   if(fLowEnergypp && !fMC){ // remove events without SDD in pp 2.76 TeV
 601     if(!firedTriggerClasses.Contains("ALL")) return;
 602   }
 603   fHistNEvents->Fill(1);
 604
 605
 606   if(fMC){
 607     AliMCEventHandler* eventHandler = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
 608     if (!eventHandler) {
 609       Printf("ERROR: Could not retrieve MC event handler");
 610       return;
 611     }
 612     AliMCEvent* mcEvent = eventHandler->MCEvent();
 613     if (!mcEvent) {
 614       Printf("ERROR: Could not retrieve MC event");
 615       return;
 616     }
 617     stack = mcEvent->Stack();
 618     if (!stack) {
 619       printf("ERROR: stack not available\n");
 620       return;
 621     }
 622   }
 623   if(!fITSPIDResponse){
 624     fITSPIDResponse=new AliITSPIDResponse(fMC);
 625   }
 626
 627   //flags for MC
 628   Int_t nTrackMC=0;
 629   if(stack) nTrackMC = stack->GetNtrack();
 630   const AliESDVertex *vtx =  fESD->GetPrimaryVertexSPD();
 631
 632   ///////////selection of the centrality or multiplicity bin
 633
 634   //selection on the event centrality
 635   if(fHImode){
 636     if(!(fLowCentrality<0.0)&&fUpCentrality>0.0)
 637       {
 638         AliCentrality *centrality = fESD->GetCentrality();
 639         if(!centrality->IsEventInCentralityClass(fLowCentrality,fUpCentrality,"V0M"))
 640           return;
 641         Printf("Centrality of the event: %.1f",centrality->GetCentralityPercentile("V0M"));
 642         Printf("Centrality cut: %.1f to %.1f",fLowCentrality,fUpCentrality);
 643         fHistCen->Fill(centrality->GetCentralityPercentile("V0M"));
 644       }
 645   }
 646
 647   //selection on the event multiplicity based on global tracks
 648   Int_t multiplicity = -1;
 649   if(fMultEstimator==0){
 650     // tracks+tracklets
 651     multiplicity=AliESDtrackCuts::GetReferenceMultiplicity(fESD, AliESDtrackCuts::kTrackletsITSTPC, 0.8);
 652   }else if(fMultEstimator==1){
 653     // tracklets
 654     multiplicity=AliESDtrackCuts::GetReferenceMultiplicity(fESD, AliESDtrackCuts::kTracklets, 0.8);
 655   }else if(fMultEstimator==2){
 656     // clusters in SPD1
 657     const AliMultiplicity *mult = fESD->GetMultiplicity();
 658     Float_t nClu1 = (Float_t)mult->GetNumberOfITSClusters(1);
 659     multiplicity =(Int_t)(AliESDUtils::GetCorrSPD2(nClu1,vtx->GetZ())+0.5);
 660   }
 661   if(fLowMult>-1 && multiplicity<fLowMult) return;
 662   if(fUpMult>-1 && multiplicity>fUpMult) return;
 663   fHistMult->Fill(multiplicity);
 664   fHistNEvents->Fill(2);
 665
 666   //event selection
 667   if(!vtx)evSel=0;
 668   else{
 669     fHistNEvents->Fill(3);
 670     if(vtx->GetNContributors()<0) evSel=0;
 671     else{
 672       fHistNEvents->Fill(4);
 673       if(TMath::Abs(vtx->GetZv())>10) evSel=0;
 674       else{
 675         fHistNEvents->Fill(5);
 676         if(vtx->GetZRes()>0.5) evSel=0;
 677         else{
 678           fHistNEvents->Fill(6);
 679           if(vtx->IsFromVertexerZ() && vtx->GetDispersion()>0.03) evSel=0;
 680           else fHistNEvents->Fill(7);
 681         }
 682       }
 683     }
 684   }
 685
 686
 687   /////first loop on stack, before event selection, filling MC ntuple
 688
 689   for(Int_t imc=0; imc<nTrackMC; imc++){
 690     part = stack->Particle(imc);
 691     isph=1;
 692     if(!stack->IsPhysicalPrimary(imc)) isph=0;
 693     pdgPart = part->GetPDG();
 694     if(!pdgPart)continue;
 695     if(pdgPart->Charge()==0) continue; //no neutral particles
 696     Float_t yMC=-999.;
 697     if(part->Energy() != TMath::Abs(part->Pz())) yMC = 0.5*TMath::Log((part->Energy()+part->Pz())/(part->Energy()-part->Pz()));
 698     if(TMath::Abs(yMC) > fMaxY) continue; //rapidity cut
 699     if(pdgPart->Charge()>0) signMC=1;
 700     else signMC=-1;
 701     ptMC=part->Pt();
 702     code=pdgPart->PdgCode();
 703     Int_t jpart=-1;
 704     for(Int_t j=0; j<3; j++){
 705       if(TMath::Abs(code)==listcode[j]){
 706         jpart=j;
 707         break;
 708       }
 709     }
 710     Int_t indexMoth=part->GetFirstMother();
 711     if(indexMoth>=0){
 712       TParticle* moth = stack->Particle(indexMoth);
 713       Float_t codemoth = TMath::Abs(moth->GetPdgCode());
 714       mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));
 715     }
 716     uniqueID = part->GetUniqueID();
 717
 718     //filling MC ntuple
 719     if(TMath::Abs(code)==211 || TMath::Abs(code)==321 || TMath::Abs(code)==2212){
 720       Float_t xntMC[8];
 721       Int_t indexMC=0;
 722       xntMC[indexMC++]=(Float_t)ptMC;
 723       xntMC[indexMC++]=(Float_t)code;
 724       xntMC[indexMC++]=(Float_t)signMC;
 725       xntMC[indexMC++]=(Float_t)part->Eta();
 726       xntMC[indexMC++]=(Float_t)yMC;
 727       xntMC[indexMC++]=(Float_t)isph;
 728       xntMC[indexMC++]=(Float_t)evSel;
 729       xntMC[indexMC++]=(Float_t)fESD->GetRunNumber();
 730
 731       if(fFillNtuple) fNtupleMC->Fill(xntMC);
 732     }
 733
 734     if(jpart>=0){
 735       if(stack->IsPhysicalPrimary(imc)){
 736         if(signMC>0) fHistPrimMCposBefEvSel[jpart]->Fill(ptMC);
 737         else  fHistPrimMCnegBefEvSel[jpart]->Fill(ptMC);
 738         if(evSel==1){
 739           if(signMC>0) fHistPrimMCpos[jpart]->Fill(ptMC);
 740           else  fHistPrimMCneg[jpart]->Fill(ptMC);
 741         }
 742       }else{
 743         if(mfl==3 && uniqueID == kPDecay){ // If a particle is not a physical primary, check if it comes from weak decay
 744           if(signMC>0) fHistSecStrMCposBefEvSel[jpart]->Fill(ptMC);
 745           else  fHistSecStrMCnegBefEvSel[jpart]->Fill(ptMC);
 746           if(evSel==1){
 747             if(signMC>0) fHistSecStrMCpos[jpart]->Fill(ptMC);
 748             else  fHistSecStrMCneg[jpart]->Fill(ptMC);
 749           }
 750         }else{
 751           if(signMC>0) fHistSecMatMCposBefEvSel[jpart]->Fill(ptMC);
 752           else  fHistSecMatMCnegBefEvSel[jpart]->Fill(ptMC);
 753           if(evSel==1){
 754             if(signMC>0) fHistSecMatMCpos[jpart]->Fill(ptMC);
 755             else  fHistSecMatMCneg[jpart]->Fill(ptMC);
 756           }
 757         }
 758       }
 759     }
 760   }
 761
 762
 763   if(evSel==0)return;  //event selection
 764
 765
 766   //loop on tracks
 767   for (Int_t iTrack=0; iTrack<fESD->GetNumberOfTracks(); iTrack++) {
 768     isph=-999;
 769     code=-999;
 770     mfl=-999;
 771     uniqueID=-999;
 772
 773     track = (AliESDtrack*)fESD->GetTrack(iTrack);
 774     if (!track) continue;
 775
 776     //track selection
 777     Int_t countBinTrk=1;
 778     TString label;
 779
 780     label="no selection";
 781     fHistNTracks->Fill(countBinTrk);
 782     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 783     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 784     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 785     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 786     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 787     countBinTrk++;
 788
 789     status=track->GetStatus();
 790     if((status&AliESDtrack::kITSpureSA)==0) continue; //its standalone
 791
 792     label="ITSsa";
 793     fHistNTracks->Fill(countBinTrk);
 794     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 795     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 796     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 797     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 798     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 799     countBinTrk++;
 800
 801     if((status&AliESDtrack::kITSrefit)==0) continue; //its refit
 802
 803     label="ITSrefit";
 804     fHistNTracks->Fill(countBinTrk);
 805     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 806     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 807     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 808     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 809     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 810     countBinTrk++;
 811
 812     if(TMath::Abs(track->GetSign())<0.0001) continue; //no neutral particles
 813
 814     label="neutral particle";
 815     fHistNTracks->Fill(countBinTrk);
 816     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 817     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 818     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 819     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 820     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 821     countBinTrk++;
 822
 823     //cluster in ITS
 824     UInt_t clumap = track->GetITSClusterMap();
 825     Int_t nSPD=0;
 826     for(Int_t il=0; il<2; il++) if(TESTBIT(clumap,il)) nSPD++;
 827     if(nSPD<fMinSPDPts) continue;
 828
 829     label="SPDcls";
 830     fHistNTracks->Fill(countBinTrk);
 831     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 832     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 833     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 834     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 835     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 836     countBinTrk++;
 837
 838     Int_t nPtsForPid=0;
 839     for(Int_t j=2;j<6;j++) if(TESTBIT(clumap,j)) nPtsForPid++;
 840     if(nPtsForPid<fMinNdEdxSamples) continue; //at least 3 points on SSD/SDD
 841
 842     label="SDD+SSD cls";
 843     fHistNTracks->Fill(countBinTrk);
 844     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 845     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 846     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 847     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 848     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 849     countBinTrk++;
 850
 851     //chisquare/nclusters
 852     Int_t nclu=nSPD+nPtsForPid;
 853     if(track->GetITSchi2()/nclu > fMaxChi2Clu) continue;
 854
 855     label="chi2/ncls";
 856     fHistNTracks->Fill(countBinTrk);
 857     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 858     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 859     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 860     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 861     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 862     countBinTrk++;
 863
 864     //pseudorapidity and rapidity
 865     if(TMath::Abs(track->Eta()) > fEtaRange) continue;
 866
 867     label="eta";
 868     fHistNTracks->Fill(countBinTrk);
 869     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 870     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 871     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 872     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 873     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 874     countBinTrk++;
 875
 876     //truncated mean
 877     track->GetITSdEdxSamples(dedxLay);
 878     Double_t dedx = CookdEdx(dedxLay);
 879     if(dedx<0) continue;
 880
 881     label="de/dx<0";
 882     fHistNTracks->Fill(countBinTrk);
 883     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
 884     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
 885     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
 886     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
 887     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
 888     countBinTrk++;
 889
 890     Float_t pt = track->Pt();
 891     Int_t theBin=-1;
 892     for(Int_t m=0; m<kNbins; m++){
 893       if(TMath::Abs(pt) > fPtBinLimits[m] && TMath::Abs(pt) < fPtBinLimits[m+1]){
 894         theBin=m;
 895         break;
 896       }
 897     }
 898     track->GetImpactParameters(impactXY, impactZ);
 899
 900     //Filling Ntuple
 901     //information from the MC kinematics
 902     if(fMC){
 903       if(track->GetLabel()<0)isph=-1;
 904       if(track->GetLabel()>=0){
 905         part = (TParticle*)stack->Particle(track->GetLabel());
 906         pdgPart = part->GetPDG();
 907         code = pdgPart->PdgCode();
 908         if(stack->IsPhysicalPrimary(track->GetLabel())) isph=1;
 909         else{
 910           isph=0;
 911           Int_t indexMoth=part->GetFirstMother();
 912           if(indexMoth>=0){
 913             TParticle* moth = stack->Particle(indexMoth);
 914             Float_t codemoth = TMath::Abs(moth->GetPdgCode());
 915             mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));
 916           }
 917           uniqueID = part->GetUniqueID();
 918         }
 919
 920         //Filling DCA distribution with MC truth
 921
 922         if(theBin>=0 && theBin<kNbins){
 923           if(isph==1){//primaries in MC
 924             if(track->GetSign()>0){
 925               if(TMath::Abs(code)==listcode[0]) fHistMCPrimDCAPosPi[theBin]->Fill(impactXY);
 926               if(TMath::Abs(code)==listcode[1]) fHistMCPrimDCAPosK[theBin]->Fill(impactXY);
 927               if(TMath::Abs(code)==listcode[2]) fHistMCPrimDCAPosP[theBin]->Fill(impactXY);
 928             }else{
 929               if(TMath::Abs(code)==listcode[0]) fHistMCPrimDCANegPi[theBin]->Fill(impactXY);
 930               if(TMath::Abs(code)==listcode[1]) fHistMCPrimDCANegK[theBin]->Fill(impactXY);
 931               if(TMath::Abs(code)==listcode[2]) fHistMCPrimDCANegP[theBin]->Fill(impactXY);
 932             }
 933           }
 934
 935           if(isph==0){//primaries in MC
 936             if(mfl==3 && uniqueID == kPDecay){
 937               if(track->GetSign()>0){
 938                 if(TMath::Abs(code)==listcode[0]) fHistMCSecStDCAPosPi[theBin]->Fill(impactXY);
 939                 if(TMath::Abs(code)==listcode[1]) fHistMCSecStDCAPosK[theBin]->Fill(impactXY);
 940                 if(TMath::Abs(code)==listcode[2]) fHistMCSecStDCAPosP[theBin]->Fill(impactXY);
 941               }else{
 942                 if(TMath::Abs(code)==listcode[0]) fHistMCSecStDCANegPi[theBin]->Fill(impactXY);
 943                 if(TMath::Abs(code)==listcode[1]) fHistMCSecStDCANegK[theBin]->Fill(impactXY);
 944                 if(TMath::Abs(code)==listcode[2]) fHistMCSecStDCANegP[theBin]->Fill(impactXY);
 945               }
 946             }else{
 947               if(track->GetSign()>0){
 948                 if(TMath::Abs(code)==listcode[0]) fHistMCSecMatDCAPosPi[theBin]->Fill(impactXY);
 949                 if(TMath::Abs(code)==listcode[1]) fHistMCSecMatDCAPosK[theBin]->Fill(impactXY);
 950                 if(TMath::Abs(code)==listcode[2]) fHistMCSecMatDCAPosP[theBin]->Fill(impactXY);
 951               }else{
 952                 if(TMath::Abs(code)==listcode[0]) fHistMCSecMatDCANegPi[theBin]->Fill(impactXY);
 953                 if(TMath::Abs(code)==listcode[1]) fHistMCSecMatDCANegK[theBin]->Fill(impactXY);
 954                 if(TMath::Abs(code)==listcode[2]) fHistMCSecMatDCANegP[theBin]->Fill(impactXY);
 955               }
 956             }
 957           }
 958         }
 959       }
 960     }
 961     Float_t xnt[19];
 962     Int_t index=0;
 963     xnt[index++]=(Float_t)track->GetP();
 964     xnt[index++]=(Float_t)track->Pt();
 965     xnt[index++]=(Float_t)dedx;
 966     xnt[index++]=(Float_t)dedxLay[0];
 967     xnt[index++]=(Float_t)dedxLay[1];
 968     xnt[index++]=(Float_t)dedxLay[2];
 969     xnt[index++]=(Float_t)dedxLay[3];
 970     xnt[index++]=(Float_t)nclu;
 971     xnt[index++]=(Float_t)nPtsForPid;
 972     xnt[index++]=(Float_t)track->GetSign();
 973     xnt[index++]=(Float_t)fESD->GetRunNumber();
 974     xnt[index++]=(Float_t)track->Eta();
 975     xnt[index++]=(Float_t)impactXY;
 976     xnt[index++]=(Float_t)impactZ;
 977     xnt[index++]=(Float_t)isph;
 978     xnt[index++]=(Float_t)code;
 979     xnt[index++]=(Float_t)mfl;
 980     xnt[index++]=(Float_t)uniqueID;
 981     xnt[index]=(Float_t)track->GetITSchi2()/nclu;
 982
 983     if(fFillNtuple) fNtupleNSigma->Fill(xnt);
 984
 985
 986
 987     //Compute y and bb
 988     Double_t y[4],bbtheo[4],logdiff[4];
 989     Float_t p=track->GetP();
 990     if(fMC && fSmearMC){
 991       dedx=fRandGener->Gaus(dedx,fSmeardEdx*dedx);
 992       p=fRandGener->Gaus(p,fSmearP*p);
 993     }
 994
 995     //Nsigma Method
 996     Float_t resodedx[4];
 997     for(Int_t ires=0;ires<4;ires++){
 998       resodedx[ires]=fITSPIDResponse->GetResolution(1,ires+1,kTRUE);
 999     }
1000
1001     for(Int_t i=0;i<4;i++){
1002       y[i] = Eta2y(pt,pdgmass[i],track->Eta());
1003       //bbtheo[i]=fITSPIDResponse->Bethe(p,pdgmass[i],kTRUE); //Pure PHOBOS BB
1004       bbtheo[i]=fITSPIDResponse->BetheITSsaHybrid(p,pdgmass[i]); //PHOBOS + polinomial at low pt (below beta*gamma = 0.76)
1005       logdiff[i]=TMath::Log(dedx) - TMath::Log(bbtheo[i]);
1006     }
1007
1008     Int_t resocls=(Int_t)nPtsForPid-1;
1009
1010     //NSigma Method, with asymmetric bands
1011     Int_t minPosMean=-1;
1012     for(Int_t isp=0; isp<3; isp++){
1013       if(dedx<bbtheo[0])continue;
1014       Double_t bb=bbtheo[isp];
1015       if(dedx<bb){
1016         Double_t bbdistance=TMath::Abs((bbtheo[isp]-bbtheo[isp-1])/2);
1017         Double_t nsigma=TMath::Abs((dedx-bb)/bbdistance);
1018         if(nsigma<1.)minPosMean=isp;
1019       }
1020       else{
1021         Double_t bbdistance=TMath::Abs((bbtheo[isp]-bbtheo[isp+1])/2);
1022         Double_t nsigma=TMath::Abs((dedx-bb)/bbdistance);
1023         if(nsigma<1.)minPosMean=isp;
1024       }
1025     }
1026     if(dedx<bbtheo[0] && TMath::Abs((dedx-bbtheo[0])/(resodedx[resocls]*bbtheo[0]))<2)minPosMean=0;
1027
1028     //NSigma method with simmetric bands
1029
1030     Double_t nsigmas[3];
1031     Double_t min=999999.;
1032     Int_t minPos=-1;
1033     for(Int_t isp=0; isp<3; isp++){
1034       Double_t bb=bbtheo[isp];
1035       nsigmas[isp]=TMath::Abs((dedx-bb)/(resodedx[resocls]*bb));
1036       if(nsigmas[isp]<min){
1037         min=nsigmas[isp];
1038         minPos=isp;
1039       }
1040       //Filling histos with nsigma separation
1041       if(track->GetSign()>0)fHistPosNSigmaSep[isp]->Fill(track->GetP(),((dedx-bb)/(resodedx[resocls]*bb)));
1042       else fHistNegNSigmaSep[isp]->Fill(track->GetP(),((dedx-bb)/(resodedx[resocls]*bb)));
1043     }
1044
1045     // y calculation
1046     Double_t yPartMean=-999;
1047     Double_t yPart=-999;
1048     if(minPosMean>-1) yPartMean=y[minPosMean];
1049     if(minPos>-1) yPart=y[minPos];
1050
1051     if(TMath::Abs(yPartMean)<fMaxY){
1052       //DCA distributions, before the DCA cuts, based on asymmetrinc nsigma approach
1053       if(theBin>=0 && theBin<kNbins){
1054         if(track->GetSign()>0){
1055           if(minPosMean==0) fHistDCAPosPi[theBin]->Fill(impactXY);
1056           else if(minPosMean==1) fHistDCAPosK[theBin]->Fill(impactXY);
1057           else if(minPosMean==2) fHistDCAPosP[theBin]->Fill(impactXY);
1058         }else{
1059           if(minPosMean==0) fHistDCANegPi[theBin]->Fill(impactXY);
1060           else if(minPosMean==1) fHistDCANegK[theBin]->Fill(impactXY);
1061           else if(minPosMean==2) fHistDCANegP[theBin]->Fill(impactXY);
1062         }
1063       }
1064     }
1065
1066     //DCA cut on xy and z
1067     if(!DCAcut(impactXY,impactZ,pt)) continue;
1068
1069     label="DCA";
1070     fHistNTracks->Fill(countBinTrk);
1071     if(track->GetSign()>0)fHistNTracksPos->Fill(countBinTrk);
1072     if(track->GetSign()<0)fHistNTracksNeg->Fill(countBinTrk);
1073     fHistNTracks->GetXaxis()->SetBinLabel(fHistNTracks->FindBin(countBinTrk),label.Data());
1074     fHistNTracksPos->GetXaxis()->SetBinLabel(fHistNTracksPos->FindBin(countBinTrk),label.Data());
1075     fHistNTracksNeg->GetXaxis()->SetBinLabel(fHistNTracksNeg->FindBin(countBinTrk),label.Data());
1076     countBinTrk++;
1077
1078
1079     Int_t jpart=-1;
1080
1081     //Filling Histos for Reco Efficiency
1082     //information from the MC kinematics
1083     if(fMC){
1084       if(track->GetLabel()<0)isph=-1;
1085       if(track->GetLabel()>=0){
1086         part = (TParticle*)stack->Particle(track->GetLabel());
1087         pdgPart = part->GetPDG();
1088         code = pdgPart->PdgCode();
1089         for(Int_t j=0; j<3; j++){
1090           if(TMath::Abs(code)==listcode[j]){
1091             jpart=j;
1092             break;
1093           }
1094         }
1095         if(jpart>=0){
1096           if(pdgPart->Charge()>0) signMC=1;
1097           else signMC=-1;
1098           ptMC=part->Pt();
1099           if(stack->IsPhysicalPrimary(track->GetLabel())){
1100             if(signMC>0) fHistPrimMCposReco[jpart]->Fill(ptMC);
1101             else  fHistPrimMCnegReco[jpart]->Fill(ptMC);
1102           }else{
1103             Int_t indexMoth=part->GetFirstMother();
1104             if(indexMoth>=0){
1105               TParticle* moth = stack->Particle(indexMoth);
1106               Float_t codemoth = TMath::Abs(moth->GetPdgCode());
1107               mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));
1108             }
1109             uniqueID = part->GetUniqueID();
1110             if(mfl==3 && uniqueID == kPDecay){ // strangeness
1111               if(signMC>0) fHistSecStrMCposReco[jpart]->Fill(ptMC);
1112               else  fHistSecStrMCnegReco[jpart]->Fill(ptMC);
1113             }else{
1114               if(signMC>0) fHistSecMatMCposReco[jpart]->Fill(ptMC);
1115               else  fHistSecMatMCnegReco[jpart]->Fill(ptMC);
1116             }
1117           }
1118         }
1119       }
1120     }
1121
1122     //Nsigma histos with MC truth
1123
1124     //asymmetric approach
1125     if(TMath::Abs(yPartMean)<fMaxY && minPosMean>-1){
1126       //nsigma histos
1127       if(track->GetSign()>0) fHistPosNSigmaMean[minPosMean]->Fill(pt);
1128       else fHistNegNSigmaMean[minPosMean]->Fill(pt);
1129       if(fMC){
1130         //nsigma histos with MC truth on PID
1131         if(TMath::Abs(code)==listcode[minPosMean]){
1132           if(track->GetSign()>0) fHistPosNSigmaMCMean[minPosMean]->Fill(pt);
1133           else fHistNegNSigmaMCMean[minPosMean]->Fill(pt);
1134         }
1135         //nsigma histos with MC truth on IsPhysicalPrimary
1136         if(isph==1){
1137           if(track->GetSign()>0) fHistPosNSigmaPrimMean[minPosMean]->Fill(pt);
1138           else fHistNegNSigmaPrimMean[minPosMean]->Fill(pt);
1139           //nsigma histos with MC truth on IsPhysicalPrimary and PID
1140           if(TMath::Abs(code)==listcode[minPosMean]){
1141             if(track->GetSign()>0) fHistPosNSigmaPrimMCMean[minPosMean]->Fill(pt);
1142             else fHistNegNSigmaPrimMCMean[minPosMean]->Fill(pt);
1143           }
1144         }
1145       }
1146     }
1147
1148     //symmetric bands
1149     if(min<fMinNSigma && TMath::Abs(yPart)<fMaxY){
1150       //nsigma histos
1151       if(track->GetSign()>0) fHistPosNSigma[minPos]->Fill(pt);
1152       else fHistNegNSigma[minPos]->Fill(pt);
1153       if(fMC){
1154         //nsigma histos with MC truth on PID
1155         if(TMath::Abs(code)==listcode[minPos]){
1156           if(track->GetSign()>0) fHistPosNSigmaMC[minPos]->Fill(pt);
1157           else fHistNegNSigmaMC[minPos]->Fill(pt);
1158         }
1159         //nsigma histos with MC truth on IsPhysicalPrimary
1160         if(isph==1){
1161           if(track->GetSign()>0) fHistPosNSigmaPrim[minPos]->Fill(pt);
1162           else fHistNegNSigmaPrim[minPos]->Fill(pt);
1163           //nsigma histos with MC truth on IsPhysicalPrimary and PID
1164           if(TMath::Abs(code)==listcode[minPos]){
1165             if(track->GetSign()>0) fHistPosNSigmaPrimMC[minPos]->Fill(pt);
1166             else fHistNegNSigmaPrimMC[minPos]->Fill(pt);
1167           }
1168         }
1169       }
1170     }
1171
1172
1173     //integral approach histograms
1174     if(theBin>=0 && theBin<kNbins){
1175       if(track->GetSign()>0){
1176         if(TMath::Abs(y[0]) < fMaxY)fHistPosPi[theBin]->Fill(logdiff[0]);
1177         if(TMath::Abs(y[1]) < fMaxY)fHistPosK[theBin]->Fill(logdiff[1]);
1178         if(TMath::Abs(y[2]) < fMaxY)fHistPosP[theBin]->Fill(logdiff[2]);
1179         if(fMC){
1180           if(TMath::Abs(y[0])<fMaxY){
1181             if(TMath::Abs(code)!=11 && jpart<0)fHistMCPosOtherHypPion[theBin]->Fill(logdiff[0]);
1182             if(TMath::Abs(code)==11)fHistMCPosElHypPion[theBin]->Fill(logdiff[0]);
1183             if(TMath::Abs(code)==211)fHistMCPosPiHypPion[theBin]->Fill(logdiff[0]);
1184             if(TMath::Abs(code)==321)fHistMCPosKHypPion[theBin]->Fill(logdiff[0]);
1185             if(TMath::Abs(code)==2212)fHistMCPosPHypPion[theBin]->Fill(logdiff[0]);
1186           }
1187           if(TMath::Abs(y[1])<fMaxY){
1188             if(TMath::Abs(code)!=11 && jpart<0)fHistMCPosOtherHypKaon[theBin]->Fill(logdiff[1]);
1189             if(TMath::Abs(code)==11)fHistMCPosElHypKaon[theBin]->Fill(logdiff[1]);
1190             if(TMath::Abs(code)==211)fHistMCPosPiHypKaon[theBin]->Fill(logdiff[1]);
1191             if(TMath::Abs(code)==321)fHistMCPosKHypKaon[theBin]->Fill(logdiff[1]);
1192             if(TMath::Abs(code)==2212)fHistMCPosPHypKaon[theBin]->Fill(logdiff[1]);
1193           }
1194           if(TMath::Abs(y[2])<fMaxY){
1195               if(TMath::Abs(code)!=11 && jpart<0)fHistMCPosOtherHypProton[theBin]->Fill(logdiff[2]);
1196               if(TMath::Abs(code)==11)fHistMCPosElHypProton[theBin]->Fill(logdiff[2]);
1197               if(TMath::Abs(code)==211)fHistMCPosPiHypProton[theBin]->Fill(logdiff[2]);
1198               if(TMath::Abs(code)==321)fHistMCPosKHypProton[theBin]->Fill(logdiff[2]);
1199               if(TMath::Abs(code)==2212)fHistMCPosPHypProton[theBin]->Fill(logdiff[2]);
1200           }
1201         }
1202       }else{
1203         if(TMath::Abs(y[0]) < fMaxY)fHistNegPi[theBin]->Fill(logdiff[0]);
1204         if(TMath::Abs(y[1]) < fMaxY)fHistNegK[theBin]->Fill(logdiff[1]);
1205         if(TMath::Abs(y[2]) < fMaxY)fHistNegP[theBin]->Fill(logdiff[2]);
1206         if(fMC){
1207           if(TMath::Abs(y[0])<fMaxY){
1208             if(TMath::Abs(code)!=11 && jpart<0)fHistMCNegOtherHypPion[theBin]->Fill(logdiff[0]);
1209             if(TMath::Abs(code)==11)fHistMCNegElHypPion[theBin]->Fill(logdiff[0]);
1210             if(TMath::Abs(code)==211)fHistMCNegPiHypPion[theBin]->Fill(logdiff[0]);
1211             if(TMath::Abs(code)==321)fHistMCNegKHypPion[theBin]->Fill(logdiff[0]);
1212             if(TMath::Abs(code)==2212)fHistMCNegPHypPion[theBin]->Fill(logdiff[0]);
1213           }
1214           if(TMath::Abs(y[1])<fMaxY){
1215             if(TMath::Abs(code)!=11 && jpart<0)fHistMCNegOtherHypKaon[theBin]->Fill(logdiff[1]);
1216             if(TMath::Abs(code)==11)fHistMCNegElHypKaon[theBin]->Fill(logdiff[1]);
1217             if(TMath::Abs(code)==211)fHistMCNegPiHypKaon[theBin]->Fill(logdiff[1]);
1218             if(TMath::Abs(code)==321)fHistMCNegKHypKaon[theBin]->Fill(logdiff[1]);
1219             if(TMath::Abs(code)==2212)fHistMCNegPHypKaon[theBin]->Fill(logdiff[1]);
1220           }
1221           if(TMath::Abs(y[2])<fMaxY){
1222             if(TMath::Abs(code)!=11 && jpart<0)fHistMCNegOtherHypProton[theBin]->Fill(logdiff[2]);
1223             if(TMath::Abs(code)==11)fHistMCNegElHypProton[theBin]->Fill(logdiff[2]);
1224             if(TMath::Abs(code)==211)fHistMCNegPiHypProton[theBin]->Fill(logdiff[2]);
1225             if(TMath::Abs(code)==321)fHistMCNegKHypProton[theBin]->Fill(logdiff[2]);
1226             if(TMath::Abs(code)==2212)fHistMCNegPHypProton[theBin]->Fill(logdiff[2]);
1227           }
1228         }
1229       }
1230     }
1231
1232
1233     //fill propaganda plot with dedx
1234     fHistDEDX->Fill(track->GetP(),dedx);
1235     fHistDEDXdouble->Fill(track->GetP()*track->GetSign(),dedx);
1236
1237     //fill charge distribution histo to check the calibration
1238     for(Int_t j=0;j<4;j++){
1239       if(dedxLay[j]<5) continue;
1240       fHistCharge[j]->Fill(dedxLay[j]);
1241     }
1242   }
1243
1244   // Post output data.
1245   PostData(1,fOutput);
1246   PostData(2,fListCuts);
1247   //  Printf("............. end of Exec");
1248 }
1249
1250 //________________________________________________________________________
1251 void AliAnalysisTaskSEITSsaSpectra::Terminate(Option_t *) {
1252   // Merge output
1253   // Called once at the end of the query
1254
1255   fOutput = dynamic_cast<TList*>(GetOutputData(1));
1256   if (!fOutput) {
1257     printf("ERROR: fOutput not available\n");
1258     return;
1259   }
1260   fHistNEvents = dynamic_cast<TH1F*>(fOutput->FindObject("fHistNEvents"));
1261   printf("Number of Analyzed Events = %f\n",fHistNEvents->GetBinContent(1));
1262
1263   Printf("end of Terminate");
1264   return;
1265 }