PWGHF/hfe/AliHFEmcQA.h

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15 //
  16 // QA class of Heavy Flavor quark and fragmeted/decayed particles
  17 // -Check kinematics of Heavy Quarks/hadrons, and decayed leptons
  18 //    pT, rapidity
  19 //    decay lepton kinematics w/wo acceptance
  20 //    heavy hadron decay length, electron pT fraction carried from decay
  21 // -Check yield of Heavy Quarks/hadrons
  22 //    Number of produced heavy quark
  23 //    Number of produced hadron of given pdg code
  24 //
  25
  26 #ifndef ALIHFEMCQA_H
  27 #define ALIHFEMCQA_H
  28
  29 #ifndef ROOT_TObject
  30 //#include <TObject.h>
  31 #endif
  32
  33 class TH1F;
  34 class TH2F;
  35 class TList;
  36 class TParticle;
  37 class TString;
  38 class AliMCEvent;
  39 class AliGenEventHeader;
  40 class AliMCParticle;
  41 class AliAODMCParticle;
  42 class AliHFEcollection;
  43 class TTreeSRedirector;
  44
  45 //________________________________________________________________
  46 class AliHFEmcQA: public TObject {
  47
  48   public:
  49     enum heavyType {kCharm=4, kBeauty=5, kOthers=6, kElectronPDG=11};
  50     enum qType {kQuark, kantiQuark, kHadron, keHadron, kDeHadron, kElectron, kElectron2nd};
  51     enum SourceType {kDirectCharm=1, kDirectBeauty=2, kBeautyCharm=3, kGamma=4, kPi0=5, kElse=6, kMisID=7, kEta=8, kOmega=9, kPhi=10, kEtaPrime=11, kRho0=12, kGammaPi0=13, kGammaEta=14, kGammaOmega=15, kGammaPhi=16, kGammaEtaPrime=17, kGammaRho0=18, kJpsi=19, kB2Jpsi=20, kKe3=21, kGammaB2M=22, kGammaD2M=23};
  52     enum ProcessType {
  53       kPairCreationFromq,  kPairCreationFromg,  kFlavourExitation,  kGluonSplitting, kInitialPartonShower, kLightQuarkShower
  54     };
  55     enum{
  56       kBgPtBins = 44,
  57         kElecBgSpecies = 6,
  58         kCentBins = 11,
  59         kBgLevels = 3
  60     };
  61
  62
  63     AliHFEmcQA();
  64     AliHFEmcQA(const AliHFEmcQA &p); // copy constructor
  65     AliHFEmcQA &operator=(const AliHFEmcQA &); // assignment operator
  66
  67     virtual ~AliHFEmcQA();
  68
  69     TList *GetList() const { return fQAhistos; };
  70     void PostAnalyze() const;
  71     void CreatDefaultHistograms(TList * const qaList); // create default histograms
  72     void CreateHistograms(const Int_t kquark); // create histograms for mc qa analysis
  73     void SetMCEvent(AliMCEvent* const mcEvent){fMCEvent = mcEvent;}
  74     void SetGenEventHeader(AliGenEventHeader* const mcHeader){fMCHeader=mcHeader;} // set stack pointer
  75     void SetMCArray(TClonesArray* const mcarry){fMCArray=mcarry;} // set mcarray pointer
  76     void Init();
  77
  78     void GetQuarkKine(TParticle *part, Int_t iTrack, const Int_t kquark); // get heavy quark kinematics distribution
  79     void GetHadronKine(TParticle *part, const Int_t kquark); // get heavy hadron kinematics distribution
  80     void GetDecayedKine(TParticle *part, const Int_t kquark, const Int_t kdecayed); // get decay electron kinematics distribution
  81     void GetDecayedKine(AliAODMCParticle *mcpart, const Int_t kquark, Int_t kdecayed); // get decay electron kinematics for AOD
  82     void GetMesonKine(); // get meson and its decay electron pt spectra
  83     void EndOfEventAna(const Int_t kquark); // run analysis which should be done at the end of the event loop
  84     Int_t GetSource(const TParticle * const mcpart); // return source id
  85     Int_t GetElecSource(const AliVParticle * const mctrack);
  86     Int_t GetElecSource(TParticle * const mcpart); // return electron source id
  87     Int_t GetElecSource(const AliAODMCParticle * const mcpart);
  88     Int_t GetSource(const AliVParticle * const mcpart); // return electron source id for AOD
  89     Double_t GetWeightFactor(AliMCParticle *mctrack, const Int_t iBgLevel); // return best/lower/upper weighting factor for electron's mother meson
  90     Int_t GetWeightCentralityBin(const Float_t percentile) const; //translate the centrality percentile into the centrality bin of the reference weighting histograms for electron background
  91     void EnableDebugStreamer() { fIsDebugStreamerON = kTRUE;};
  92
  93     void SetBackgroundWeightFactor(Double_t *elecBackgroundFactor, Double_t *binLimit);
  94     void SetContainerStep(Int_t containerStep) { fContainerStep = containerStep;};
  95     void SetHFEImpactParameters(Double_t hfeimpactR, Double_t hfeimpactnsigmaR) {fHfeImpactR = hfeimpactR; fHfeImpactnsigmaR = hfeimpactnsigmaR; };
  96     void SetTrkKine(Double_t pt, Double_t eta, Double_t phi) {fRecPt = pt; fRecEta = eta; fRecPhi = phi;};
  97     void SetITSInfo(Double_t ilyrhit, Double_t ilyrstat) { fLyrhit = ilyrhit; fLyrstat = ilyrstat;};
  98
  99     void SetCentrality(Int_t centrality) { fCentrality = centrality; };
 100     void SetPercentrality(Int_t percentrality) { fPerCentrality = percentrality; };//centrality percentile
 101     void SetPbPb() { fIsPbPb = kTRUE; };
 102     void SetPP() { fIsPbPb = kFALSE; };
 103     void SetPPMultiBin() { fIsppMultiBin = kFALSE; };
 104     Bool_t IsPbPb() const { return fIsPbPb; };
 105     Bool_t IsPP() const { return !fIsPbPb; };
 106     Bool_t IsPPMultiBin() const { return fIsppMultiBin; };
 107
 108   protected:
 109     Int_t GetMother(const AliVParticle * const track);
 110     void IdentifyMother(Int_t motherlabel, Int_t &motherpdg, Int_t &grandmotherlabel); //
 111     void HardScattering(const Int_t kquark, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from hard scattering
 112     void ReportStrangeness(Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // report if the quark production process is unknown
 113     Bool_t IsFromInitialShower(Int_t inputmotherlabel, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from initial parton shower
 114     Bool_t IsFromFinalParton(Int_t inputmotherlabel, Int_t &motherID, Int_t &mothertype, Int_t &motherlabel); // check if the quark is produced from final parton shower
 115
 116     AliMCEvent* fMCEvent; // mcevent pointer
 117     AliGenEventHeader* fMCHeader; // mcheader pointer
 118     TClonesArray *fMCArray; // mc array pointer
 119
 120     static const Int_t fgkGluon=21; // gluon pdg code
 121     static const Int_t fgkMaxGener=10; // ancester level wanted to be checked
 122     static const Int_t fgkMaxIter=100; // number of iteration to find out matching particle
 123     static const Int_t fgkqType=7; // number of particle type to be checked
 124     static const Int_t fgkEtaRanges=3; // cuts for different eta ranges
 125
 126     struct AliHists{
 127       TH1F *fPdgCode; // histogram to store particle pdg code
 128       TH1F *fPt; // histogram to store pt
 129       TH1F *fY; // histogram to store rapidity
 130       TH1F *fEta; // histogram to store eta
 131
 132                         AliHists()
 133                           : fPdgCode()
 134                           , fPt()
 135                           , fY()
 136                           , fEta()
 137       {
 138                           // default constructor
 139                         };
 140                         AliHists(const AliHists & p)
 141                           : fPdgCode(p.fPdgCode)
 142                           , fPt(p.fPt)
 143                           , fY(p.fY)
 144                           , fEta(p.fEta)
 145       {
 146                           // copy constructor
 147                         };
 148                         AliHists &operator=(const AliHists &)
 149                         {
 150                           // assignment operator, not yet implemented
 151                           return *this;
 152                         }
 153       void FillList(TList *l) const;
 154     };
 155     struct AliHistsComm {
 156       TH1F *fNq; // histogram to store number of quark
 157       TH1F *fProcessID; // histogram to store process id
 158       TH2F *fePtRatio; // fraction of electron pT from D or B hadron
 159       TH2F *fPtCorr; // pt correlation between e and direct D or B
 160       TH2F *fPtCorrDp; // pt correlation between e and direct D+
 161       TH2F *fPtCorrD0; // pt correlation between e and direct D0
 162       TH2F *fPtCorrDrest; // pt correlation between e and direct D rest
 163       TH2F *fDePtRatio; // fraction of D electron pT from B hadron
 164       TH2F *feDistance; // distance between electron production point to mother particle
 165       TH2F *fDeDistance; // distance between D electron production point to mother particle
 166
 167       TH2F *fPtCorrDinein; // pt correlation between e and direct D or B
 168       TH2F *fPtCorrDineout; // pt correlation between e and direct D or B
 169       TH2F *fPtCorrDoutein; // pt correlation between e and direct D or B
 170       TH2F *fPtCorrDouteout; // pt correlation between e and direct D or B
 171       TH2F *fPtCorrDpDinein; // pt correlation between e and direct D+
 172       TH2F *fPtCorrDpDineout; // pt correlation between e and direct D+
 173       TH2F *fPtCorrDpDoutein; // pt correlation between e and direct D+
 174       TH2F *fPtCorrDpDouteout; // pt correlation between e and direct D+
 175       TH2F *fPtCorrD0Dinein; // pt correlation between e and direct D0
 176       TH2F *fPtCorrD0Dineout; // pt correlation between e and direct D0
 177       TH2F *fPtCorrD0Doutein; // pt correlation between e and direct D0
 178       TH2F *fPtCorrD0Douteout; // pt correlation between e and direct D0
 179       TH2F *fPtCorrDrestDinein; // pt correlation between e and direct D rest
 180       TH2F *fPtCorrDrestDineout; // pt correlation between e and direct D rest
 181       TH2F *fPtCorrDrestDoutein; // pt correlation between e and direct D rest
 182       TH2F *fPtCorrDrestDouteout; // pt correlation between e and direct D rest
 183
 184       TH2F *fEtaCorrD; // eta correlation between e and direct D
 185       TH2F *fEtaCorrDp; // eta correlation between e and direct D
 186       TH2F *fEtaCorrD0; // eta correlation between e and direct D
 187       TH2F *fEtaCorrDrest; // eta correlation between e and direct D
 188       TH2F *fEtaCorrGD; // eta correlation between e and direct D
 189       TH2F *fEtaCorrGDp; // eta correlation between e and direct D
 190       TH2F *fEtaCorrGD0; // eta correlation between e and direct D
 191       TH2F *fEtaCorrGDrest; // eta correlation between e and direct D
 192
 193       TH2F *fEtaCorrB; // eta correlation between e and B
 194       TH2F *fEtaCorrGB; // eta correlation between e and B
 195       TH2F *fPtCorrBinein; // eta correlation between e and B
 196       TH2F *fPtCorrBineout; // eta correlation between e and B
 197       TH2F *fPtCorrBoutein; // eta correlation between e and B
 198       TH2F *fPtCorrBouteout; // eta correlation between e and B
 199
 200                         AliHistsComm()
 201                           : fNq()
 202                           , fProcessID()
 203                           , fePtRatio()
 204                           , fPtCorr()
 205                           , fPtCorrDp()
 206                           , fPtCorrD0()
 207                           , fPtCorrDrest()
 208                           , fDePtRatio()
 209                           , feDistance()
 210                           , fDeDistance()
 211
 212                           , fPtCorrDinein()
 213                           , fPtCorrDineout()
 214                           , fPtCorrDoutein()
 215                           , fPtCorrDouteout()
 216                           , fPtCorrDpDinein()
 217                           , fPtCorrDpDineout()
 218                           , fPtCorrDpDoutein()
 219                           , fPtCorrDpDouteout()
 220                           , fPtCorrD0Dinein()
 221                           , fPtCorrD0Dineout()
 222                           , fPtCorrD0Doutein()
 223                           , fPtCorrD0Douteout()
 224                           , fPtCorrDrestDinein()
 225                           , fPtCorrDrestDineout()
 226                           , fPtCorrDrestDoutein()
 227                           , fPtCorrDrestDouteout()
 228
 229                           , fEtaCorrD()
 230                           , fEtaCorrDp()
 231                           , fEtaCorrD0()
 232                           , fEtaCorrDrest()
 233                           , fEtaCorrGD()
 234                           , fEtaCorrGDp()
 235                           , fEtaCorrGD0()
 236                           , fEtaCorrGDrest()
 237
 238                           , fEtaCorrB()
 239                           , fEtaCorrGB()
 240                           , fPtCorrBinein()
 241                           , fPtCorrBineout()
 242                           , fPtCorrBoutein()
 243                           , fPtCorrBouteout()
 244       {
 245                           // default constructor
 246                         };
 247                         AliHistsComm(const AliHistsComm & p)
 248                           : fNq(p.fNq)
 249                           , fProcessID(p.fProcessID)
 250                           , fePtRatio(p.fePtRatio)
 251                           , fPtCorr(p.fPtCorr)
 252                           , fPtCorrDp(p.fPtCorrDp)
 253                           , fPtCorrD0(p.fPtCorrD0)
 254                           , fPtCorrDrest(p.fPtCorrDrest)
 255                           , fDePtRatio(p.fDePtRatio)
 256                           , feDistance(p.feDistance)
 257                           , fDeDistance(p.fDeDistance)
 258
 259                           , fPtCorrDinein(p.fPtCorrDinein)
 260                           , fPtCorrDineout(p.fPtCorrDineout)
 261                           , fPtCorrDoutein(p.fPtCorrDoutein)
 262                           , fPtCorrDouteout(p.fPtCorrDouteout)
 263                           , fPtCorrDpDinein(p.fPtCorrDpDinein)
 264                           , fPtCorrDpDineout(p.fPtCorrDpDineout)
 265                           , fPtCorrDpDoutein(p.fPtCorrDpDoutein)
 266                           , fPtCorrDpDouteout(p.fPtCorrDpDouteout)
 267                           , fPtCorrD0Dinein(p.fPtCorrD0Dinein)
 268                           , fPtCorrD0Dineout(p.fPtCorrD0Dineout)
 269                           , fPtCorrD0Doutein(p.fPtCorrD0Doutein)
 270                           , fPtCorrD0Douteout(p.fPtCorrD0Douteout)
 271                           , fPtCorrDrestDinein(p.fPtCorrDrestDinein)
 272                           , fPtCorrDrestDineout(p.fPtCorrDrestDineout)
 273                           , fPtCorrDrestDoutein(p.fPtCorrDrestDoutein)
 274                           , fPtCorrDrestDouteout(p.fPtCorrDrestDouteout)
 275
 276                           , fEtaCorrD(p.fEtaCorrD)
 277                           , fEtaCorrDp(p.fEtaCorrDp)
 278                           , fEtaCorrD0(p.fEtaCorrD0)
 279                           , fEtaCorrDrest(p.fEtaCorrDrest)
 280                           , fEtaCorrGD(p.fEtaCorrGD)
 281                           , fEtaCorrGDp(p.fEtaCorrGDp)
 282                           , fEtaCorrGD0(p.fEtaCorrGD0)
 283                           , fEtaCorrGDrest(p.fEtaCorrGDrest)
 284
 285                           , fEtaCorrB(p.fEtaCorrB)
 286                           , fEtaCorrGB(p.fEtaCorrGB)
 287                           , fPtCorrBinein(p.fPtCorrBinein)
 288                           , fPtCorrBineout(p.fPtCorrBineout)
 289                           , fPtCorrBoutein(p.fPtCorrBoutein)
 290                           , fPtCorrBouteout(p.fPtCorrBouteout)
 291       {
 292                           // copy constructor
 293                         };
 294                         AliHistsComm &operator=(const AliHistsComm &)
 295                         {
 296                           // assignment operator, not yet implemented
 297                           return *this;
 298                         }
 299       void FillList(TList *l) const;
 300     };
 301
 302     AliHists fHist[3][7][6][11]; // struct of histograms to store kinematics of given particles
 303     AliHistsComm fHistComm[2][6]; // struct of additional histograms of given particles
 304     TH2F *fhD[9]; // D meson pt,Y spectra
 305
 306     TList *fQAhistos;           // Container for QA histos
 307     AliHFEcollection *fMCQACollection;      //! Tasks own QA collection
 308     TParticle *fHeavyQuark[50]; //! store pointer of heavy flavour quark
 309     Int_t fIsHeavy[2]; // count of heavy flavour
 310     Int_t fNparents; // number of heavy hadrons to be considered
 311     Int_t fParentSelect[2][7]; // heavy hadron species
 312
 313     Double_t fElecBackgroundFactor[kBgLevels][kCentBins][kElecBgSpecies][kBgPtBins];     // Electron background factors
 314     Double_t fBinLimit[kBgPtBins+1];       // Electron background bins
 315
 316 private:
 317     Int_t              fCentrality;        // Centrality
 318     Int_t              fPerCentrality;     // Centrality percentile
 319     Bool_t             fIsPbPb;            // Analysis Type: pp or PbPb
 320     Bool_t             fIsppMultiBin;      // pp multiplicity bin analysis
 321     Int_t              fContainerStep;     // step the weighting factor called
 322     Bool_t             fIsDebugStreamerON; // check if the debugstreamer is on
 323
 324     Double_t           fRecPt;             //reconstructed pt
 325     Double_t           fRecEta;            //reconstructed eta
 326     Double_t           fRecPhi;            //reconstructed phi
 327     Double_t           fLyrhit;            //its layer hit
 328     Double_t           fLyrstat;           //its layer status
 329
 330     Double_t fHfeImpactR;                  //absolute impact parameter R
 331     Double_t fHfeImpactnsigmaR;            //absolute impact parameter sigma R
 332
 333     TTreeSRedirector *fTreeStream;         //! TreeStream
 334
 335   ClassDef(AliHFEmcQA,1);
 336 };
 337
 338 #endif