PWGHF/hfe/AliHFENonPhotonicElectron.h

   1 #ifndef ALIHFENONPHOTONICELECTRON_H
   2 #define ALIHFENONPHOTONICELECTRON_H
   3
   4  /************************************************************************************
   5   *                                                                                     *
   6   *     Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved.  *
   7   *     See cxx source for full Copyright notice                                        *
   8   *                                                                                     *
   9   *                                                                                     *
  10   *                                                                                     *
  11   *     Task for the Selection of Non-photonic Electron study                           *
  12   *                                                                                     *
  13   *                     Author: R.Bailhache, C.A.Schmidt                                *
  14   *                                                                                     *
  15   ************************************************************************************/
  16
  17 #ifndef ROOT_TNamed
  18 #include <TNamed.h>
  19 #endif
  20
  21 class AliESDtrackCuts;
  22 class AliHFEpid;
  23 class AliHFEpidQAmanager;
  24 class AliMCEvent;
  25 class AliKFVertex;
  26 class AliVEvent;
  27 class AliVParticle;
  28 class AliVTrack;
  29 class THnSparse;
  30 class TClonesArray;
  31 class TList;
  32
  33 class AliHFENonPhotonicElectron : public TNamed {
  34  public:
  35
  36   typedef enum{
  37     kElectronfromconversion = 0,
  38     kElectronfromconversionboth = 1,
  39     kElectronfrompi0 = 2,
  40     kElectronfrompi0both = 3,
  41     kElectronfrometa = 4,
  42     kElectronfrometaboth = 5,
  43     kElectronfromC = 6,
  44     kElectronfromB = 7,
  45     kElectronfromother = 8,
  46     kNoElectron = 9
  47   } Source_t;
  48
  49   typedef enum{
  50     kS = 0,
  51     kOp = 1
  52   } Sign_t;
  53
  54   AliHFENonPhotonicElectron();
  55   AliHFENonPhotonicElectron(const char *name, const Char_t *title);
  56   AliHFENonPhotonicElectron &operator=(const AliHFENonPhotonicElectron &ref);
  57   virtual ~AliHFENonPhotonicElectron();
  58
  59   void SetAOD                   (Bool_t isAOD)                  { fIsAOD = isAOD; };
  60   void SetMCEvent               (AliMCEvent *mcEvent)           { fMCEvent = mcEvent; };
  61   void SetAODArrayMCInfo        (TClonesArray *aodArrayMCInfo) { fAODArrayMCInfo = aodArrayMCInfo; };
  62   void SetHFEBackgroundCuts     (AliHFEcuts * const cuts)       { fHFEBackgroundCuts = cuts; };
  63
  64   AliHFEpid             *GetPIDBackground()             const   { return fPIDBackground; };
  65   AliHFEpidQAmanager    *GetPIDBackgroundQAManager()    const   { return fPIDBackgroundQA; };
  66
  67   void  SetMaxInvMass           (Double_t MaxInvMass)           { fMaxInvMass           = MaxInvMass; };
  68   void  SetMaxOpening3D         (Double_t MaxOpening3D)         { fMaxOpening3D         = MaxOpening3D; };
  69 //  void  SetMaxOpeningTheta    (Double_t MaxOpeningTheta)      { fMaxOpeningTheta      = MaxOpeningTheta; };
  70 //  void  SetMaxOpeningPhi      (Double_t MaxOpeningPhi)        { fMaxOpeningPhi        = MaxOpeningPhi; };
  71   void  SetAlgorithmMA          (Bool_t algorithmMA)            { fAlgorithmMA          = algorithmMA; };
  72   void  SetMassConstraint       (Bool_t MassConstraint)         { fSetMassConstraint    = MassConstraint; };
  73   void  SetITSMeanShift(Double_t meanshift) { fITSmeanShift = meanshift; }
  74
  75   void SelectCategory1Tracks(Bool_t doSelect = kTRUE) { fSelectCategory1tracks = doSelect; }
  76   void SelectCategory2Tracks(Bool_t doSelect = kTRUE) { fSelectCategory2tracks = doSelect; }
  77
  78   TList      *GetListOutput()           const   { return fListOutput; };
  79   THnSparseF *GetAssElectronHisto()     const   { return fAssElectron; };
  80   THnSparseF *GetIncElectronHisto()     const   { return fIncElectron; };
  81   THnSparseF *GetUSignHisto()           const   { return fUSign; };
  82   THnSparseF *GetLSignHisto()           const   { return fLSign; };
  83 //  THnSparseF *GetUSignAngleHisto() const { return fUSignAngle; };
  84 //  THnSparseF *GetLSignAngleHisto() const { return fLSignAngle; };
  85
  86   void     Init                         ();
  87   void     InitRun                      (const AliVEvent *inputEvent, const AliPIDResponse *pidResponse);
  88   Int_t    FillPoolAssociatedTracks     (AliVEvent *inputEvent, Int_t binct=-1);
  89   Int_t    CountPoolAssociated          (AliVEvent *inputEvent, Int_t binct=-1);
  90   Int_t    LookAtNonHFE                 (Int_t iTrack1, AliVTrack *track1, AliVEvent *vEvent, Double_t weight=1., Int_t binct=-1, Double_t deltaphi=-1, Int_t source=-1, Int_t indexmother=-1);
  91
  92   Int_t    FindMother           (Int_t tr, Int_t &indexmother) const;
  93
  94
  95  private:
  96   Int_t    GetMotherPDG(Int_t tr, Int_t &motherIndex) const;
  97   Int_t    CheckPdg             (Int_t tr) const;
  98   Int_t    IsMotherGamma        (Int_t tr) const;
  99   Int_t    IsMotherPi0          (Int_t tr) const;
 100   Int_t    IsMotherC            (Int_t tr) const;
 101   Int_t    IsMotherB            (Int_t tr) const;
 102   Int_t    IsMotherEta          (Int_t tr) const;
 103   Bool_t MakePairDCA(const AliVTrack *inclusive, const AliVTrack *associated, AliVEvent *vEvent, Bool_t isAOD, Double_t &invMass, Double_t &angle) const;
 104   Bool_t MakePairKF(const AliVTrack *inclusive, const AliVTrack *associated, AliKFVertex &primV, Double_t &invMass, Double_t &angle) const;
 105   Bool_t FilterCategory1Track(const AliVTrack * const track, Bool_t isAOD, Int_t binct);
 106   Bool_t FilterCategory2Track(const AliVTrack * const track, Bool_t isAOD);
 107
 108   Bool_t                 fIsAOD;                        // Is AOD
 109   AliMCEvent            *fMCEvent;                      //! MC event ESD
 110   TClonesArray          *fAODArrayMCInfo;               //! MC info particle AOD
 111   AliHFEcuts            *fHFEBackgroundCuts;            // HFE background cuts
 112   AliHFEpid             *fPIDBackground;                // PID background cuts
 113   AliHFEpidQAmanager    *fPIDBackgroundQA;              // QA Manager Background
 114   const AliPIDResponse  *fkPIDRespons;                  // PID response
 115   Bool_t                 fAlgorithmMA;                  // algorithm MA
 116   Double_t               fChi2OverNDFCut;               // Limit chi2
 117   Double_t               fMaxDCA;                       // Limit dca
 118 //  Double_t             fMaxOpeningTheta;              // Limit opening angle in theta
 119 //  Double_t             fMaxOpeningPhi;                // Limit opening angle in phi
 120   Double_t               fMaxOpening3D;                 // Limit opening 3D
 121   Double_t               fMaxInvMass;                   // Limit invariant mass
 122   Bool_t                 fSetMassConstraint;            // Set mass constraint
 123   Bool_t     fSelectCategory1tracks;    // Category 1 tracks: Standard track cuts
 124   Bool_t     fSelectCategory2tracks;    // Category 2 tracks: tracks below 300 MeV/c
 125   Double_t   fITSmeanShift;             // Shift of the mean in the ITS
 126   TArrayI               *fArraytrack;                   //! list of associated tracks
 127   Int_t                  fCounterPoolBackground;        // number of associated electrons
 128   Int_t                  fnumberfound;                  // number of inclusive  electrons
 129   TList                 *fListOutput;                   // List of histos
 130   THnSparseF            *fAssElectron;                  //! centrality, pt, Source MC, P, TPCsignal
 131   THnSparseF            *fIncElectron;                  //! centrality, pt, Source MC, P, TPCsignal
 132   THnSparseF            *fUSign;                        //! delta phi, c, pt, inv, source
 133   THnSparseF            *fLSign;                        //! delta phi, c, pt, inv, source
 134   THnSparseF    *fUSmatches;  //! number of matched tracks with oposite sign per inclusive track after inv mass cut
 135   THnSparseF    *fLSmatches;  //! number of matched tracks with same sign per inclusive track after inv mass cut
 136   TH2F* fHnsigmaITS;  //! Control histogram for ITS pid of category 2 tracks
 137 //  THnSparseF          *fUSignAngle;                   //! angle, c, source
 138 //  THnSparseF          *fLSignAngle;                   //! angle, c, source
 139
 140
 141   AliHFENonPhotonicElectron(const AliHFENonPhotonicElectron &ref);
 142
 143   ClassDef(AliHFENonPhotonicElectron, 2); //!example of analysis
 144 };
 145
 146 #endif