PWG1/TOF/AliAnalysisTaskTOFqa.cxx

   1 /*  created by fbellini@cern.ch on 14/09/2010 */
   2 /*  last modified by fbellini   on 31/03/2010 */
   3
   4
   5 #ifndef ALIANALYSISTASKTOFQA_CXX
   6 #define ALIANALYSISTASKTOFQA_CXX
   7
   8 #include "TChain.h"
   9 #include "TTree.h"
  10 #include "TH1F.h"
  11 #include "TH2F.h"
  12 #include "TCanvas.h"
  13 #include "AliAnalysisTaskSE.h"
  14 #include "AliAnalysisManager.h"
  15 #include "AliESDEvent.h"
  16 #include "AliESDInputHandler.h"
  17 #include "AliESDpid.h"
  18 #include "AliAnalysisTaskTOFqa.h"
  19 #include "AliAnalysisFilter.h"
  20 #include "AliESDtrackCuts.h"
  21 #include "AliLog.h"
  22 #include "AliTOFRawStream.h"
  23 #include "AliTOFGeometry.h"
  24
  25 ClassImp(AliAnalysisTaskTOFqa)
  26
  27 //________________________________________________________________________
  28 AliAnalysisTaskTOFqa::AliAnalysisTaskTOFqa() :
  29   fRunNumber(0),
  30   fESD(0x0),
  31   fTrackFilter(0x0),
  32   fVertex(0x0),
  33   fESDpid(new AliESDpid()),
  34   fNTOFtracks(0),
  35 //  fNPrimaryTracks(0),
  36   fHlist(0x0),
  37   fHlistTimeZero(0x0),
  38   fHlistPID(0x0)
  39  {
  40   // Default constructor
  41
  42    for (Int_t j=0;j<3;j++ ) {
  43      if (j<3) fT0[j]=0.0;
  44      fSigmaSpecie[j]=0.0;
  45      fTrkExpTimes[j]=0.0;
  46      fThExpTimes[j]=0.0;
  47    }
  48  }
  49 //________________________________________________________________________
  50 AliAnalysisTaskTOFqa::AliAnalysisTaskTOFqa(const char *name) :
  51   AliAnalysisTaskSE(name),
  52   fRunNumber(0),
  53   fESD(0x0),
  54   fTrackFilter(0x0),
  55   fVertex(0x0),
  56 fESDpid(new AliESDpid()),
  57   fNTOFtracks(0),
  58   // fNPrimaryTracks(0),
  59   fHlist(0x0),
  60   fHlistTimeZero(0),
  61   fHlistPID(0x0)
  62  {
  63   // Constructor
  64   // Define input and output slots here
  65    Info("AliAnalysisTaskTOFqa","Calling Constructor");
  66
  67    for (Int_t j=0;j<5;j++ ) {
  68      if (j<3) fT0[j]=0.0;
  69      fSigmaSpecie[j]=0.0;
  70      fTrkExpTimes[j]=0.0;
  71      fThExpTimes[j]=0.0;
  72    }
  73    // Input slot #0 works with a TChain
  74    DefineInput(0, TChain::Class());
  75
  76    // Output slot #0 writes into a TH1 container
  77    // Output slot #1 writes into a user defined  container
  78    DefineOutput(1, TList::Class());
  79    DefineOutput(2, TList::Class());
  80    DefineOutput(3, TList::Class());
  81  }
  82
  83 //________________________________________________________________________
  84 AliAnalysisTaskTOFqa::AliAnalysisTaskTOFqa(const AliAnalysisTaskTOFqa& copy)
  85 : AliAnalysisTaskSE(),
  86   fRunNumber(copy.fRunNumber),
  87   fESD(copy.fESD),
  88   fTrackFilter(copy.fTrackFilter),
  89   fVertex(copy.fVertex),
  90   fESDpid(copy.fESDpid),
  91   fNTOFtracks(copy.fNTOFtracks),
  92   //fNPrimaryTracks(copy.fNPrimaryTracks),
  93   fHlist(copy.fHlist),
  94   fHlistTimeZero(copy.fHlistTimeZero),
  95   fHlistPID(copy.fHlistPID)
  96 {
  97   // Copy constructor
  98    for (Int_t j=0;j<5;j++ ) {
  99      if (j<3) fT0[j]=copy.fT0[j];
 100      fSigmaSpecie[j]=copy.fSigmaSpecie[j];
 101      fTrkExpTimes[j]=copy.fTrkExpTimes[j];
 102      fThExpTimes[j]=copy.fThExpTimes[j];
 103    }
 104
 105
 106 }
 107
 108 //___________________________________________________________________________
 109 AliAnalysisTaskTOFqa& AliAnalysisTaskTOFqa::operator=(const AliAnalysisTaskTOFqa& copy)
 110 {
 111   //
 112   // Assignment operator
 113   //
 114   if (this!=&copy) {
 115     AliAnalysisTaskSE::operator=(copy) ;
 116     fRunNumber=copy.fRunNumber;
 117     fESD=copy.fESD;
 118     fTrackFilter=copy.fTrackFilter;
 119     fVertex=copy.fVertex;
 120     fESDpid=copy.fESDpid;
 121     fNTOFtracks=copy.fNTOFtracks;
 122     //fNPrimaryTracks=copy.fNPrimaryTracks;
 123     for (Int_t j=0;j<5;j++ ) {
 124       if (j<3) fT0[j]=copy.fT0[j];
 125       fSigmaSpecie[j]=copy.fSigmaSpecie[j];
 126       fTrkExpTimes[j]=copy.fTrkExpTimes[j];
 127       fThExpTimes[j]=copy.fThExpTimes[j];
 128     }
 129     fHlist=copy.fHlist;
 130     fHlistTimeZero=copy.fHlistTimeZero;
 131     fHlistPID=copy.fHlistPID;
 132   }
 133   return *this;
 134 }
 135
 136 //___________________________________________________________________________
 137 AliAnalysisTaskTOFqa::~AliAnalysisTaskTOFqa() {
 138   //
 139   //destructor
 140   //
 141
 142   Info("~AliAnalysisTaskTOFqa","Calling Destructor");
 143   if (fESDpid) delete fESDpid;
 144   if (fVertex) delete fVertex;
 145   if (fTrackFilter) delete fTrackFilter;
 146
 147   if (AliAnalysisManager::GetAnalysisManager()->IsProofMode()) return;
 148   if (fHlist) {
 149     delete fHlist;
 150     fHlist = 0;
 151   }
 152   if (fHlistTimeZero) {
 153     delete fHlistTimeZero;
 154     fHlistTimeZero = 0;
 155   }
 156   if (fHlistPID){
 157     delete fHlistPID;
 158     fHlistPID = 0;
 159   }
 160 }
 161
 162 //________________________________________________________________________
 163 void AliAnalysisTaskTOFqa::UserCreateOutputObjects()
 164 {
 165   //Defines output objects and histograms
 166   Info("CreateOutputObjects","CreateOutputObjects (TList) of task %s", GetName());
 167   OpenFile(1);
 168   if (!fHlist) fHlist = new TList();
 169   fHlist->SetOwner(kTRUE);
 170   if (!fHlistTimeZero) fHlistTimeZero = new TList();
 171   fHlistTimeZero->SetOwner(kTRUE);
 172   if (!fHlistPID) fHlistPID = new TList();
 173   fHlistPID->SetOwner(kTRUE);
 174
 175 //0
 176   TH1I* hTOFmatchedESDperEvt = new TH1I("hTOFmatchedPerEvt", "Matched TOF tracks per event (|#eta| #leq 0.9 and pT #geq 0.3 GeV/c);TOF-matched ESD tracks;Events", 100, 0, 100) ;
 177   hTOFmatchedESDperEvt->Sumw2() ;
 178   hTOFmatchedESDperEvt->SetLineWidth(2);
 179   hTOFmatchedESDperEvt->SetLineColor(kBlue);
 180   hTOFmatchedESDperEvt->SetMarkerStyle(20);
 181   hTOFmatchedESDperEvt->SetMarkerSize(0.8);
 182   hTOFmatchedESDperEvt->SetMarkerColor(kBlue);
 183   fHlist->AddLast(hTOFmatchedESDperEvt) ;
 184   //1
 185   TH1F* hTOFmatchedESDtime = new TH1F("hTOFmatchedESDtime", "Matched  ESDs tracks: TOF Time spectrum; t [ns];Counts", 250, 0., 610. ) ;
 186   hTOFmatchedESDtime->Sumw2() ;
 187   hTOFmatchedESDtime->SetLineWidth(2);
 188   hTOFmatchedESDtime->SetLineColor(kBlue);
 189   hTOFmatchedESDtime->SetFillColor(kBlue);
 190   hTOFmatchedESDtime->SetDrawOption("BAR");
 191   fHlist->AddLast(hTOFmatchedESDtime) ;
 192   //2
 193   TH1F* hTOFmatchedESDrawTime = new TH1F("hTOFmatchedESDrawTime", "Matched ESDs tracks: TOF raw Time spectrum;t_{raw} [ns];Counts", 250, 0., 610.) ;
 194   hTOFmatchedESDrawTime->Sumw2() ;
 195   hTOFmatchedESDrawTime->SetLineWidth(2);
 196   hTOFmatchedESDrawTime->SetLineColor(kAzure+2);
 197   hTOFmatchedESDrawTime->SetFillColor(kAzure+2);
 198   hTOFmatchedESDrawTime->SetDrawOption("BAR");
 199   fHlist->AddLast(hTOFmatchedESDrawTime) ;
 200   //3
 201   TH1F* hTOFmatchedESDToT = new TH1F("hTOFmatchedESDToT", "Matched ESDs tracks: TOF ToT spectrum; ToT [ns];Counts",100, 0., 48.8) ;
 202   hTOFmatchedESDToT->Sumw2() ;
 203   hTOFmatchedESDToT->SetLineColor(kOrange+1);
 204   hTOFmatchedESDToT->SetMarkerColor(kOrange+1);
 205   hTOFmatchedESDToT->SetFillColor(kOrange+1);
 206   hTOFmatchedESDToT->SetDrawOption("BAR");
 207   fHlist->AddLast(hTOFmatchedESDToT) ;
 208   //4
 209   TH1F* hTOFmatchedESDtrkLength  = new TH1F("hTOFmatchedESDtrkLength", "Matched ESDs tracks length; Track length [cm];Counts", 1200, -400., 800) ;
 210   hTOFmatchedESDtrkLength->Sumw2();
 211   hTOFmatchedESDtrkLength->SetLineColor(kViolet-3);
 212   hTOFmatchedESDtrkLength->SetMarkerColor(kViolet-3);
 213   hTOFmatchedESDtrkLength->SetFillColor(kViolet-3);
 214   hTOFmatchedESDtrkLength->SetDrawOption("BAR");
 215   fHlist->AddLast(hTOFmatchedESDtrkLength);
 216   //5
 217   TH1F* hTOFmatchedESDP  = new TH1F("hTOFmatchedESDP", "TPC-TOF matched tracks momentum distribution (GeV/c); p (GeV/c);tracks", 500,0.,5.) ;
 218   hTOFmatchedESDP->Sumw2() ;
 219   hTOFmatchedESDP->SetLineColor(kBlue);
 220   hTOFmatchedESDP->SetMarkerStyle(20);
 221   hTOFmatchedESDP->SetMarkerSize(0.7);
 222   hTOFmatchedESDP->SetMarkerColor(kBlue);
 223   fHlist->AddLast(hTOFmatchedESDP) ;
 224   //6
 225   TH1F* hTOFmatchedESDPt  = new TH1F("hTOFmatchedESDPt", "TPC-TOF matched tracks p_{T} distribution (GeV/c); p_{T}(GeV/c);tracks", 500,0.,5.) ;
 226   hTOFmatchedESDPt->Sumw2() ;
 227   hTOFmatchedESDPt->SetLineColor(kBlue);
 228   hTOFmatchedESDPt->SetMarkerStyle(21);
 229   hTOFmatchedESDPt->SetMarkerSize(0.7);
 230   hTOFmatchedESDPt->SetMarkerColor(kBlue);
 231   fHlist->AddLast(hTOFmatchedESDPt) ;
 232
 233   //7
 234   TH1F* hTOFmatchedESDeta = new TH1F("hTOFmatchedESDeta", "Matched ESDtracks #eta (p_{T} #geq 0.5 GeV/c); #eta;Counts", 200, -1., 1.) ;
 235   hTOFmatchedESDeta->Sumw2();
 236   hTOFmatchedESDeta->SetLineColor(kBlue);
 237   fHlist->AddLast(hTOFmatchedESDeta) ;
 238   //8
 239    TH1F* hTOFmatchedESDphi = new TH1F("hTOFmatchedESDphi", "Matched ESDtracks #phi; #phi (deg);Counts", 72, 0., 360.) ;
 240   hTOFmatchedESDphi->Sumw2();
 241   hTOFmatchedESDphi->SetLineColor(kBlue);
 242   fHlist->AddLast(hTOFmatchedESDphi) ;
 243
 244   //9
 245   TH1F* hESDprimaryTrackP = new TH1F("hESDprimaryTrackP", "All ESDs tracks p_{T} distribution (GeV/c); p_{T}(GeV/c);tracks", 500, 0., 5.0) ;
 246   hESDprimaryTrackP->Sumw2();
 247   hESDprimaryTrackP->SetLineWidth(1);
 248   hESDprimaryTrackP->SetMarkerStyle(24);
 249   hESDprimaryTrackP->SetMarkerSize(0.7);
 250   hESDprimaryTrackP->SetMarkerColor(kRed);
 251   hESDprimaryTrackP->SetLineColor(kRed);
 252   fHlist->AddLast(hESDprimaryTrackP);
 253   //10
 254   TH1F* hESDprimaryTrackPt = new TH1F("hESDprimaryTrackPt", "ESDs primary tracks p_{T} distribution (GeV/c); p_{T}(GeV/c);tracks", 500, 0.0, 5.0) ;
 255   hESDprimaryTrackPt->Sumw2();
 256   hESDprimaryTrackPt->SetLineWidth(1);
 257   hESDprimaryTrackPt->SetMarkerStyle(25);
 258   hESDprimaryTrackPt->SetMarkerSize(0.7);
 259   hESDprimaryTrackPt->SetLineColor(kRed);
 260   hESDprimaryTrackPt->SetMarkerColor(kRed);
 261   fHlist->AddLast(hESDprimaryTrackPt);
 262   //11
 263   TH1F* hTOFprimaryESDeta = new TH1F("hTOFprimaryESDeta", "Primary ESDtracks #eta (p_{T} #geq 0.5 GeV/c); #eta;Counts",200, -1., 1.) ;
 264   hTOFprimaryESDeta->Sumw2();
 265   hTOFprimaryESDeta->SetLineColor(kRed);
 266   fHlist->AddLast(hTOFprimaryESDeta) ;
 267   //12
 268   TH1F* hTOFprimaryESDphi = new TH1F("hTOFprimaryESDphi", "Primary ESDtracks #phi;#phi (deg);Counts", 72, 0., 360.) ;
 269   hTOFprimaryESDphi->Sumw2();
 270   hTOFprimaryESDphi->SetLineColor(kRed);
 271   fHlist->AddLast(hTOFprimaryESDphi) ;
 272   //13
 273   TH2F* hTOFmatchedDxVsPtPos = new TH2F("hTOFmatchedDxVsPtPos", "Dx vs p_{T} for positive tracks;p_{T} (GeV/c); Dx [cm]; hits", 500,0.,5.,200, -10., 10.) ;
 274   hTOFmatchedDxVsPtPos->Sumw2();
 275   fHlist->AddLast(hTOFmatchedDxVsPtPos) ;
 276  //14
 277   TH2F* hTOFmatchedDxVsPtNeg = new TH2F("hTOFmatchedDxVsPtNeg", "Dx vs p_{T} for negative tracks;p_{T} (GeV/c); Dx [cm]; hits", 500,0.,5.,200, -10., 10.) ;
 278   hTOFmatchedDxVsPtNeg->Sumw2();
 279   fHlist->AddLast(hTOFmatchedDxVsPtNeg) ;
 280
 281   //15
 282   TH2F* hTOFmatchedDzVsStrip = new TH2F("hTOFmatchedDzVsStrip", "Dz vs strip; strip (#eta); Dz [cm]; hits", 92,0.,92.,200, -10., 10.) ;
 283   hTOFmatchedDzVsStrip->Sumw2();
 284   fHlist->AddLast(hTOFmatchedDzVsStrip) ;
 285
 286  //----------------------------------------------timeZero QA plots
 287   //TimeZero 0
 288   TH1D* hEventT0DetAND = new TH1D("hEventT0DetAND", "Event timeZero from T0AC detector ; t0 [ps]; events", 1000, -25000., 25000. ) ;
 289   hEventT0DetAND->Sumw2() ;
 290   hEventT0DetAND->SetLineWidth(2);
 291   hEventT0DetAND->SetLineColor(kRed);
 292   hEventT0DetAND->SetFillColor(kRed);
 293   fHlistTimeZero->AddLast(hEventT0DetAND) ;
 294
 295   //TImeZero 1
 296   TH1D* hEventT0DetA = new TH1D("hEventT0DetA", "Event timeZero from T0A detector; t0 [ps]; events", 1000, -25000., 25000. ) ;
 297   hEventT0DetA->Sumw2() ;
 298   hEventT0DetA->SetLineWidth(2);
 299   hEventT0DetA->SetLineColor(kBlue);
 300   hEventT0DetA->SetFillColor(kBlue);
 301   fHlistTimeZero->AddLast(hEventT0DetA) ;
 302
 303    //TImeZero 2
 304   TH1D* hEventT0DetC = new TH1D("hEventT0DetC", "Event timeZero from T0C detector; t0 [ps]; events", 1000, -25000., 25000.) ;
 305   hEventT0DetC->Sumw2() ;
 306   hEventT0DetC->SetLineWidth(2);
 307   hEventT0DetC->SetLineColor(kGreen);
 308   hEventT0DetC->SetFillColor(kGreen);
 309   fHlistTimeZero->AddLast(hEventT0DetC);
 310
 311    //TimeZero 3
 312   TH1F* hT0DetRes = new TH1F("hT0DetRes", "T0 detector (T0A-T0C)/2; (T0A-T0C)/2 [ps]; events", 200, -500.,500. ) ;
 313   hT0DetRes->Sumw2() ;
 314   hT0DetRes->SetMarkerStyle(24);
 315   hT0DetRes->SetMarkerSize(0.7);
 316   hT0DetRes->SetMarkerColor(kMagenta+2);
 317   hT0DetRes->SetLineColor(kMagenta+2);
 318   hT0DetRes->SetFillColor(kMagenta+2);
 319   fHlistTimeZero->AddLast(hT0DetRes) ;
 320
 321      //timeZero 4
 322   TH1F* hT0fill = new TH1F("hT0fill", "Event timeZero of fill; t0 [ps]; events", 1000, -25000., 25000. ) ;
 323   hT0fill->Sumw2() ;
 324   hT0fill->SetMarkerStyle(20);
 325   hT0fill->SetMarkerColor(kBlack);
 326   hT0fill->SetLineColor(kBlack);
 327   fHlistTimeZero->AddLast(hT0fill) ;
 328
 329   //TimeZero 5
 330   TH1F* hT0TOF = new TH1F("hT0TOF", "Event timeZero estimated by TOF; t0 [ps]; events", 1000, -25000., 25000. ) ;
 331   hT0TOF->Sumw2() ;
 332   hT0TOF->SetMarkerStyle(20);
 333   hT0TOF->SetMarkerColor(kBlue);
 334   hT0TOF->SetLineColor(kBlue);
 335   hT0TOF->SetFillColor(kBlue);
 336   fHlistTimeZero->AddLast(hT0TOF) ;
 337
 338
 339    //timeZero 6
 340   TH1F* hT0T0 = new TH1F("hT0T0", "Event timeZero measured by T0 detector (best between AC, A, C); t0 [ps]; events", 1000, -25000.,25000. ) ;
 341   hT0T0->Sumw2() ;
 342   hT0T0->SetMarkerStyle(20);
 343   hT0T0->SetMarkerColor(kGreen+1);
 344   hT0T0->SetLineColor(kGreen+1);
 345   hT0T0->SetFillColor(kGreen+1);
 346   fHlistTimeZero->AddLast(hT0T0) ;
 347
 348    //timeZero 7
 349   TH1F* hT0best = new TH1F("hT0best", "Event timeZero estimated as T0best; t0 [ps]; events", 1000, -25000.,25000. ) ;
 350   hT0best->Sumw2() ;
 351   hT0best->SetMarkerStyle(20);
 352   hT0best->SetMarkerColor(kRed);
 353   hT0best->SetLineColor(kRed);
 354   hT0best->SetFillColor(kRed);
 355   fHlistTimeZero->AddLast(hT0best) ;
 356
 357    //TimeZero 8
 358   TH1F* hT0fillRes = new TH1F("hT0fillRes", "Resolution of fillT0; #sigma_{bestT0} [ps];events", 250, 0.,250. ) ;
 359   hT0fillRes->Sumw2() ;
 360   hT0fillRes->SetMarkerStyle(21);
 361   hT0fillRes->SetMarkerColor(kBlack);
 362   hT0fillRes->SetLineColor(kBlack);
 363   hT0fillRes->SetFillColor(kBlack);
 364   fHlistTimeZero->AddLast(hT0fillRes) ;
 365
 366   //TimeZero 9
 367   TH1F* hT0TOFRes = new TH1F("hT0TOFRes", "Resolution of timeZero from TOF; #sigma_{TOFT0} [ps];events", 250, 0.,250. ) ;
 368   hT0TOFRes->Sumw2() ;
 369   hT0TOFRes->SetLineWidth(1);
 370   hT0TOFRes->SetMarkerStyle(21);
 371   hT0TOFRes->SetMarkerColor(kBlue);
 372   hT0TOFRes->SetLineColor(kBlue);
 373   hT0TOFRes->SetFillColor(kBlue);
 374   fHlistTimeZero->AddLast(hT0TOFRes) ;
 375
 376    //TimeZero 10
 377   TH1F* hT0T0res = new TH1F("hT0T0res", "Resolution of timeZero from T0;#sigma_{T0T0}  [ps];events", 250, -0., 250. ) ;
 378   hT0T0res->Sumw2() ;
 379   hT0T0res->SetMarkerStyle(21);
 380   hT0T0res->SetMarkerColor(kGreen+1);
 381   hT0T0res->SetLineColor(kGreen+1);
 382   hT0T0res->SetFillColor(kGreen+1);
 383   fHlistTimeZero->AddLast(hT0T0res) ;
 384
 385    //TimeZero 11
 386   TH1F* hT0bestRes = new TH1F("hT0bestRes", "Resolution of bestT0; #sigma_{bestT0} [ps];events", 250, 0.,250. ) ;
 387   hT0bestRes->Sumw2() ;
 388   hT0fillRes->SetMarkerStyle(21);
 389   hT0fillRes->SetMarkerColor(kRed);
 390   hT0fillRes->SetLineColor(kRed);
 391   hT0fillRes->SetFillColor(kRed);
 392   fHlistTimeZero->AddLast(hT0bestRes) ;
 393
 394   //timeZero 12
 395   TH2F* hT0TOFvsNtrk = new TH2F("hT0TOFvsNtrk", "Event timeZero estimated by TOF vs. number of tracks in event;TOF-matching tracks; t0 [ps]", 100, 0., 100.,1000,-25000.,25000. ) ;
 396   hT0TOFvsNtrk->Sumw2() ;
 397   fHlistTimeZero->AddLast(hT0TOFvsNtrk) ;
 398
 399 //--------------------------------------------- TOF PID QA plots
 400   //PID 0
 401   TH2F* hTOFmatchedESDpVsBeta  = new TH2F("hTOFmatchedESDpVsBeta", "Matched ESDs tracks beta vs. p; p(GeV/c); beta", 500, 0.0, 5.0, 150,0., 1.5) ;
 402   fHlistPID->AddLast(hTOFmatchedESDpVsBeta);
 403
 404   //PID 1
 405   TH1F* hTOFmatchedMass= new TH1F("hTOFmatchedMass","Matched ESD tracks mass distribution - (L>0); M (GeV/c^{2}); entries", 500,0., 5. );
 406   hTOFmatchedMass->Sumw2();
 407   hTOFmatchedMass->SetLineWidth(2);
 408   hTOFmatchedMass->SetLineColor(kBlue);
 409   hTOFmatchedMass->SetLineColor(kBlue);
 410   fHlistPID->AddLast(hTOFmatchedMass);
 411
 412   //PID 2
 413   TH2F* hTOFmatchedExpTimePiVsEta = new TH2F("hTOFmatchedExpTimePiVsEta", "ESDs t_{TOF}-t_{#pi,exp} (from tracking); strip (#eta); t_{TOF}-t_{#pi,exp} [ps]",92,0,92,2000, -5000., 5000. ) ;
 414   hTOFmatchedExpTimePiVsEta->Sumw2() ;
 415   fHlistPID->AddLast(hTOFmatchedExpTimePiVsEta) ;
 416
 417   //PID 3
 418   TH1F* hTOFmatchedExpTimePi = new TH1F("hTOFmatchedExpTimePi", "ESDs t_{TOF}-t_{#pi,exp} (from tracking); t_{TOF}-t_{#pi,exp} [ps];Counts",5000, -25000., 25000. ) ;
 419   hTOFmatchedExpTimePi->Sumw2() ;
 420   hTOFmatchedExpTimePi->SetLineWidth(1);
 421   hTOFmatchedExpTimePi->SetLineColor(kRed);
 422   hTOFmatchedExpTimePi->SetMarkerStyle(20);
 423   hTOFmatchedExpTimePi->SetMarkerSize(0.8);
 424   hTOFmatchedExpTimePi->SetMarkerColor(kRed);
 425   fHlistPID->AddLast(hTOFmatchedExpTimePi) ;
 426
 427   //PID 4
 428   TH2F* hTOFmatchedExpTimePiVsP = new TH2F("hTOFmatchedExpTimePiVsP", "ESDs t_{TOF}-t_{#pi,exp} (from tracking) Vs P ; p (GeV/c);t_{TOF}-t_{#pi,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 429   hTOFmatchedExpTimePiVsP->Sumw2() ;
 430   fHlistPID->AddLast(hTOFmatchedExpTimePiVsP) ;
 431
 432   //PID 5
 433   TH1F* hTOFtheoreticalExpTimePi = new TH1F("hTOFtheoreticalExpTimePi", "ESDs t_{TOF}-t_{#pi,exp} (theoretical); t_{TOF}-t_{#pi,exp} [ps];Counts", 5000, -25000., 25000. ) ;
 434   hTOFtheoreticalExpTimePi->Sumw2() ;
 435   hTOFtheoreticalExpTimePi->SetLineWidth(1);
 436   hTOFtheoreticalExpTimePi->SetLineColor(kRed);
 437   hTOFtheoreticalExpTimePi->SetMarkerStyle(24);
 438   hTOFtheoreticalExpTimePi->SetMarkerSize(0.8);
 439   hTOFtheoreticalExpTimePi->SetMarkerColor(kRed);
 440   fHlistPID->AddLast(hTOFtheoreticalExpTimePi) ;
 441
 442   //PID 6
 443   TH2F* hTOFtheoreticalExpTimePiVsP = new TH2F("hTOFtheoreticalExpTimePiVsP", "ESDs t_{TOF}-t_{#pi,exp} (theoretical) Vs P ; p (GeV/c);t_{TOF}-t_{#pi,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 444   hTOFtheoreticalExpTimePiVsP->Sumw2() ;
 445   fHlistPID->AddLast(hTOFtheoreticalExpTimePiVsP) ;
 446
 447   //PID 7
 448   TH2F* hTOFExpSigmaPi = new TH2F("hTOFExpSigmaPi", "ESDs TOF n#sigma_{PID,#pi} vs p_{T}; p_{T} (GeV/c); n#sigma_{PID,#pi};Tracks", 500,0.,5.,200, -10., 10. ) ;
 449   hTOFExpSigmaPi->Sumw2() ;
 450   fHlistPID->AddLast(hTOFExpSigmaPi) ;
 451
 452   //PID 8
 453   TH1F* hTOFmatchedExpTimeKa = new TH1F("hTOFmatchedExpTimeKa", "ESDs t_{TOF}-t_{K,exp} (from tracking); t_{TOF}-t_{K,exp} [ps];Counts", 500, -5000., 5000. ) ;
 454   hTOFmatchedExpTimeKa->Sumw2() ;
 455   hTOFmatchedExpTimeKa->SetLineWidth(1);
 456   hTOFmatchedExpTimeKa->SetLineColor(kBlue);
 457   hTOFmatchedExpTimeKa->SetMarkerStyle(21);
 458   hTOFmatchedExpTimeKa->SetMarkerSize(0.8);
 459   hTOFmatchedExpTimeKa->SetMarkerColor(kBlue);
 460   fHlistPID->AddLast(hTOFmatchedExpTimeKa);
 461
 462   //PID 9
 463   TH2F* hTOFmatchedExpTimeKaVsP = new TH2F("hTOFmatchedExpTimeKaVsP", "ESDs t_{TOF}-t_{K,exp} (from tracking) Vs P ; p (GeV/c);t_{TOF}-t_{K,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 464   hTOFmatchedExpTimeKaVsP->Sumw2() ;
 465   fHlistPID->AddLast(hTOFmatchedExpTimeKaVsP) ;
 466
 467   //PID 10
 468   TH1F* hTOFtheoreticalExpTimeKa = new TH1F("hTOFtheoreticalExpTimeKa", "ESDs t_{TOF}-t_{K,exp} (theoretical); t_{TOF}-t_{K,exp} [ps];Counts", 5000, -25000., 25000. ) ;
 469   hTOFtheoreticalExpTimeKa->Sumw2() ;
 470   hTOFtheoreticalExpTimeKa->SetLineWidth(1);
 471   hTOFtheoreticalExpTimeKa->SetLineColor(kBlue);
 472   hTOFtheoreticalExpTimeKa->SetMarkerStyle(24);
 473   hTOFtheoreticalExpTimeKa->SetMarkerSize(0.8);
 474   hTOFtheoreticalExpTimeKa->SetMarkerColor(kBlue);
 475   fHlistPID->AddLast(hTOFtheoreticalExpTimeKa) ;
 476
 477   //PID 11
 478   TH2F* hTOFtheoreticalExpTimeKaVsP = new TH2F("hTOFtheoreticalExpTimeKaVsP", "ESDs t_{TOF}-t_{K,exp} (theoretical) Vs P ; p (GeV/c);t_{TOF}-t_{K,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 479   hTOFtheoreticalExpTimeKaVsP->Sumw2() ;
 480   fHlistPID->AddLast(hTOFtheoreticalExpTimeKaVsP) ;
 481
 482   //PID 12
 483   TH2F* hTOFExpSigmaKa = new TH2F("hTOFExpSigmaKa", "ESDs TOF n#sigma_{PID,K} vs p_{T}; p_{T} (GeV/c);n#sigma_{PID,K};Tracks", 500, 0.,5.,200, -10., 10. ) ;
 484   hTOFExpSigmaKa->Sumw2() ;
 485   fHlistPID->AddLast(hTOFExpSigmaKa) ;
 486
 487   //PID 13
 488   TH1F* hTOFmatchedExpTimePro = new TH1F("hTOFmatchedExpTimePro", "ESDs t_{TOF}-t_{p,exp} (from tracking); t_{TOF}-t_{p,exp} [ps];Counts", 500, -5000., 5000. ) ;
 489   hTOFmatchedExpTimePro->Sumw2() ;
 490   hTOFmatchedExpTimePro->SetLineWidth(1);
 491   hTOFmatchedExpTimePro->SetLineColor(kGreen+1);
 492   hTOFmatchedExpTimePro->SetMarkerStyle(22);
 493   hTOFmatchedExpTimePro->SetMarkerSize(0.8);
 494   hTOFmatchedExpTimePro->SetMarkerColor(kGreen+1);
 495   fHlistPID->AddLast(hTOFmatchedExpTimePro) ;
 496
 497    //PID 14
 498   TH2F* hTOFmatchedExpTimeProVsP = new TH2F("hTOFmatchedExpTimeProVsP", "ESDs t_{TOF}-t_{p,exp} (from tracking) Vs P ; p (GeV/c);t_{TOF}-t_{p,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 499   hTOFmatchedExpTimeProVsP->Sumw2() ;
 500   fHlistPID->AddLast(hTOFmatchedExpTimeProVsP) ;
 501
 502   //PID 15
 503   TH1F* hTOFtheoreticalExpTimePro = new TH1F("hTOFtheoreticalExpTimePro", "ESDs t_{TOF}-t_{p,exp} (theoretical); t_{TOF}-t_{p,exp} [ps];Counts", 500, -5000., 5000. ) ;
 504   hTOFtheoreticalExpTimePro->Sumw2() ;
 505   hTOFtheoreticalExpTimePro->SetLineWidth(1);
 506   hTOFtheoreticalExpTimePro->SetLineColor(kGreen+1);
 507   hTOFtheoreticalExpTimePro->SetMarkerStyle(26);
 508   hTOFtheoreticalExpTimePro->SetMarkerSize(0.8);
 509   hTOFtheoreticalExpTimePro->SetMarkerColor(kGreen+1);
 510   fHlistPID->AddLast(hTOFtheoreticalExpTimePro) ;
 511
 512   //PID 16
 513   TH2F* hTOFtheoreticalExpTimeProVsP = new TH2F("hTOFtheoreticalExpTimeProVsP", "ESDs t_{TOF}-t_{p,exp} (theoretical) Vs P ; p (GeV/c);t_{TOF}-t_{p,exp} [ps];Counts",500, 0.,5.,1000, -25000., 25000. ) ;
 514   hTOFtheoreticalExpTimeProVsP->Sumw2() ;
 515   fHlistPID->AddLast(hTOFtheoreticalExpTimeProVsP) ;
 516
 517   //PID 17
 518   TH2F* hTOFExpSigmaPro = new TH2F("hTOFExpSigmaPro", "ESDs TOF n#sigma_{PID,p} vs. p_{T}; p_{T} (GeV/c); n#sigma_{PID,p};Tracks", 500, 0.,5.,200, -10., 10. ) ;
 519   hTOFExpSigmaPro->Sumw2() ;
 520   fHlistPID->AddLast(hTOFExpSigmaPro) ;
 521
 522   PostData(1, fHlist);
 523   PostData(2, fHlistTimeZero);
 524   PostData(3, fHlistPID);
 525
 526 }
 527 //________________________________________________________________________
 528 void AliAnalysisTaskTOFqa::UserExec(Option_t *)
 529 {
 530   /* Main - executed for each event.
 531     It extracts event information and track information after selecting
 532     primary tracks via standard cuts. */
 533
 534   AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
 535   if (!esdH) {
 536     Printf("ERROR: Could not get ESDInputHandler");
 537     return;
 538   } else {
 539     fESD = (AliESDEvent*) esdH->GetEvent();
 540   }
 541
 542   if (!fESD) {
 543     Printf("ERROR: fESD not available");
 544     return;
 545   }
 546
 547   /* info from T0 detector QA */
 548   for (Int_t j=0;j<3;j++){
 549     fT0[j]= (Float_t) fESD->GetT0TOF(j);//ps
 550     if (fT0[j]>90000.) fT0[j]=99999.;//fix old default values to the new one
 551   }
 552   Float_t t0cut = 90000.;
 553   //Float_t t0cut =3 * t0spread; //use this cut to check t0 used in tof response
 554   // if(t0cut < 500) t0cut = 500;
 555
 556   if(TMath::Abs(fT0[1]) < t0cut && TMath::Abs(fT0[2]) < t0cut ) {
 557     //&& TMath::Abs(fT0[2]-fT0[1]) < 500)  //add this condition to check t0 used in tof response
 558     ((TH1F*)fHlistTimeZero->At(3))->Fill((fT0[2]-fT0[1])*0.5);
 559     ((TH1F*)fHlistTimeZero->At(0))->Fill(fT0[0]);
 560   }
 561   if(TMath::Abs(fT0[1]) < t0cut){
 562     ((TH1F*)fHlistTimeZero->At(1))->Fill(fT0[1]);
 563   }
 564   if(TMath::Abs(fT0[2]) < t0cut){
 565     ((TH1F*)fHlistTimeZero->At(2))->Fill(fT0[2]);
 566   }
 567
 568   /*  event timeZero QA via AliESDpid::SetTOFResponse() */
 569   Double_t timeZero[4]={99999.,99999.,99999.,99999.};
 570   Double_t timeZeroRes[4]={99999.,99999.,99999.,99999.};
 571
 572   for (Int_t j=0;j<4;j++){
 573     fESDpid->SetTOFResponse(fESD, (AliESDpid::EStartTimeType_t) j);//(fill_t0, tof_t0, t0_t0, best_t0)
 574     timeZero[j]=fESDpid->GetTOFResponse().GetStartTime(10.); //timeZero for bin pT>10GeV/c
 575     timeZeroRes[j]=fESDpid->GetTOFResponse().GetStartTimeRes(10.); //timeZero for bin pT>10GeV/c
 576     ((TH1D*)fHlistTimeZero->At(4+j))->Fill(timeZero[j]);
 577     ((TH1D*)fHlistTimeZero->At(8+j))->Fill(timeZeroRes[j]);
 578   }
 579
 580
 581   /* loop over ESD tracks */
 582   fNTOFtracks=0;
 583   // fNPrimaryTracks=0;
 584
 585   for (Int_t iTracks = 0; iTracks < fESD->GetNumberOfTracks(); iTracks++) {
 586     AliESDtrack* track = fESD->GetTrack(iTracks);
 587     if (!track) {
 588       Printf("ERROR: Could not receive track %d", iTracks);
 589       continue;
 590     }
 591
 592     //primary tracks selection: kTPCrefit and std cuts
 593     if(!fTrackFilter->IsSelected(track)) continue;
 594     Double_t eta=track->Eta();
 595     if (TMath::Abs(eta)>0.9) continue; //cut for acceptance
 596
 597     Double_t mom=track->P();
 598     Double_t mom2 = mom*mom;
 599     Double_t length=track->GetIntegratedLength();
 600     Double_t pT = track->Pt();
 601     Double_t phi=track->Phi()*TMath::RadToDeg();
 602     track->GetIntegratedTimes(fTrkExpTimes);
 603
 604     ((TH1F*)fHlist->At(9))->Fill(mom);
 605     ((TH1F*)fHlist->At(10))->Fill(pT);
 606     if (pT>=0.5)
 607       ((TH1F*)fHlist->At(11))->Fill(eta);
 608     ((TH1F*)fHlist->At(12))->Fill(phi);
 609
 610     //matched tracks selection: kTOFout and kTIME
 611     if ((track->GetStatus() & AliESDtrack::kTOFout) &&
 612         (track->GetStatus() & AliESDtrack::kTIME)) {
 613
 614       Double_t tofTime=track->GetTOFsignal();//in ps
 615       Double_t tofTimeRaw=track->GetTOFsignalRaw();//in ps
 616       Double_t tofToT=track->GetTOFsignalToT(); //in ps
 617       Int_t channel=track->GetTOFCalChannel();
 618       Int_t volId[5]; //(sector, plate,strip,padZ,padX)
 619       AliTOFGeometry::GetVolumeIndices(channel,volId);
 620
 621       if (pT>=0.3) fNTOFtracks++; //matched counter
 622       Double_t tof= tofTime*1E-3; // ns, average T0 fill subtracted, no info from T0detector
 623       ((TH1F*)fHlist->At(1))->Fill(tof); //ns
 624       ((TH1F*)fHlist->At(2))->Fill(tofTimeRaw*1E-3); //ns
 625       ((TH1F*)fHlist->At(3))->Fill(tofToT);
 626       ((TH1F*)fHlist->At(4))->Fill(length);
 627       ((TH1F*)fHlist->At(5))->Fill(mom);
 628       ((TH1F*)fHlist->At(6))->Fill(pT);
 629       if (pT>=0.5)
 630         ((TH1F*)fHlist->At(7))->Fill(eta);
 631       ((TH1F*)fHlist->At(8))->Fill(phi);
 632       if (track->GetSign()>0)
 633         ((TH2F*)fHlist->At(13))->Fill(pT,track->GetTOFsignalDx());
 634       else ((TH2F*)fHlist->At(14))->Fill(pT,track->GetTOFsignalDx());
 635       ((TH2F*)fHlist->At(15))->Fill((Int_t)GetStripIndex(volId),track->GetTOFsignalDz());
 636
 637       //basic PID performance check
 638       if (tof<=0) {
 639         printf("WARNING: track with negative TOF time found! Skipping this track for PID checks\n");
 640         continue;
 641       }
 642       if (mom2==0) {
 643         printf("WARNING: track with negative square momentum found! Skipping this track for PID checks\n");
 644         continue;
 645       }
 646       if (length<=0){
 647         printf("WARNING: track with negative length found!Skipping this track for PID checks\n");
 648         continue;
 649       }
 650       Double_t c=TMath::C()*1.E-9;// m/ns
 651       Double_t mass=0.; //GeV
 652       length =length*0.01; // in meters
 653       tof=tof*c;
 654       Double_t beta=length/tof;
 655       Double_t fact= (tof/length)*(tof/length) -1.;
 656       if(fact<=0) {
 657         mass = -mom*TMath::Sqrt(-fact);
 658       }else{
 659         mass = mom*TMath::Sqrt(fact);
 660       }
 661       ((TH2F*)fHlistPID->At(0))->Fill(mom,beta);
 662       ((TH1F*) fHlistPID->At(1))->Fill(mass);
 663
 664       //PID sigmas
 665       Bool_t isValidBeta[AliPID::kSPECIES]={0,0,0,0,0};
 666       for (Int_t specie = 0; specie < AliPID::kSPECIES; specie++){
 667         fSigmaSpecie[specie] = fESDpid->GetTOFResponse().GetExpectedSigma(mom, fTrkExpTimes[specie], AliPID::ParticleMass(specie));
 668         beta=1/TMath::Sqrt(1+AliPID::ParticleMass(specie)*AliPID::ParticleMass(specie)/(mom2));
 669         if (beta>0) {
 670           fThExpTimes[specie]=length*1.E3/(beta*c);//ps
 671           isValidBeta[specie]=kTRUE;
 672         } else {
 673           fThExpTimes[specie]=1E-10;
 674           isValidBeta[specie]=kFALSE;
 675         }
 676       }
 677
 678       if (isValidBeta[AliPID::kPion]){
 679         ((TH2F*)fHlistPID->At(2))->Fill((Int_t)GetStripIndex(volId),tofTime-fTrkExpTimes[AliPID::kPion]);//ps
 680         ((TH1F*)fHlistPID->At(3))->Fill(tofTime-fTrkExpTimes[AliPID::kPion]);//ps
 681         ((TH2F*)fHlistPID->At(4))->Fill(mom,(tofTime-fTrkExpTimes[AliPID::kPion]));
 682         ((TH1F*)fHlistPID->At(5))->Fill(tofTime-fThExpTimes[AliPID::kPion]);//ps
 683         ((TH2F*)fHlistPID->At(6))->Fill(mom,(tofTime-fThExpTimes[AliPID::kPion]));
 684         ((TH2F*)fHlistPID->At(7))->Fill(pT,(tofTime-fTrkExpTimes[AliPID::kPion])/fSigmaSpecie[AliPID::kPion]);
 685       }
 686
 687       if (isValidBeta[AliPID::kKaon]){
 688         ((TH1F*)fHlistPID->At(8))->Fill(tofTime-fTrkExpTimes[AliPID::kKaon]);//ps
 689         ((TH2F*)fHlistPID->At(9))->Fill(mom,(tofTime-fTrkExpTimes[AliPID::kKaon]));
 690         ((TH1F*)fHlistPID->At(10))->Fill(tofTime-fThExpTimes[AliPID::kKaon]);//ps
 691         ((TH2F*)fHlistPID->At(11))->Fill(mom,(tofTime-fThExpTimes[AliPID::kKaon]));
 692         ((TH2F*)fHlistPID->At(12))->Fill(pT,(tofTime-fTrkExpTimes[AliPID::kKaon])/fSigmaSpecie[AliPID::kKaon]);
 693       }
 694       if (isValidBeta[AliPID::kProton]){
 695         ((TH1F*)fHlistPID->At(13))->Fill(tofTime-fTrkExpTimes[AliPID::kProton]);//ps
 696         ((TH2F*)fHlistPID->At(14))->Fill(mom,(tofTime-fTrkExpTimes[AliPID::kProton]));
 697         ((TH1F*)fHlistPID->At(15))->Fill(tofTime-fThExpTimes[AliPID::kProton]);//ps
 698         ((TH2F*)fHlistPID->At(16))->Fill(mom,(tofTime-fThExpTimes[AliPID::kProton]));
 699         ((TH2F*)fHlistPID->At(17))->Fill(pT,(tofTime-fTrkExpTimes[AliPID::kProton])/fSigmaSpecie[AliPID::kProton]);
 700       }
 701     }//matched
 702   }//end loop on tracks
 703
 704   ((TH1F*)fHlist->At(0))->Fill(fNTOFtracks) ;
 705   ((TH2F*)fHlistTimeZero->At(12))->Fill(fNTOFtracks,timeZero[AliESDpid::kTOF_T0]);
 706
 707   PostData(1, fHlist);
 708   PostData(2, fHlistTimeZero);
 709   PostData(3, fHlistPID);
 710
 711
 712 }
 713
 714 //________________________________________________________________________
 715 void AliAnalysisTaskTOFqa::Terminate(Option_t *)
 716 {
 717   //check on output validity
 718   fHlist = dynamic_cast<TList*> (GetOutputData(1));
 719   if (!fHlist || !fHlistTimeZero) {
 720     Printf("ERROR: lists not available");
 721     return;
 722   }
 723
 724 }
 725
 726 //---------------------------------------------------------------
 727 Int_t AliAnalysisTaskTOFqa::GetStripIndex(const Int_t * const in)
 728 {
 729   /* return tof strip index between 0 and 91 */
 730
 731   Int_t nStripA = AliTOFGeometry::NStripA();
 732   Int_t nStripB = AliTOFGeometry::NStripB();
 733   Int_t nStripC = AliTOFGeometry::NStripC();
 734
 735   Int_t iplate = in[1];
 736   Int_t istrip = in[2];
 737
 738   Int_t stripOffset = 0;
 739   switch (iplate) {
 740   case 0:
 741     stripOffset = 0;
 742       break;
 743   case 1:
 744     stripOffset = nStripC;
 745     break;
 746   case 2:
 747     stripOffset = nStripC+nStripB;
 748     break;
 749   case 3:
 750     stripOffset = nStripC+nStripB+nStripA;
 751     break;
 752   case 4:
 753     stripOffset = nStripC+nStripB+nStripA+nStripB;
 754     break;
 755   default:
 756     stripOffset=-1;
 757     break;
 758   };
 759
 760   if (stripOffset<0 || stripOffset>92) return -1;
 761   else
 762     return (stripOffset+istrip);
 763 }
 764
 765 #endif