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 #ifndef ROOT_TArrayD
  22 #include <TArrayD.h>
  23 #endif
  24
  25 class AliESDtrackCuts;
  26 class AliHFEpid;
  27 class AliHFEpidQAmanager;
  28 class AliMCEvent;
  29 class AliKFVertex;
  30 class AliVEvent;
  31 class AliVParticle;
  32 class AliVTrack;
  33 class THnSparse;
  34 class TClonesArray;
  35 class TList;
  36
  37 class AliHFENonPhotonicElectron : public TNamed {
  38  public:
  39
  40   typedef enum{
  41     kElectronfromconversion = 0,
  42     kElectronfromconversionboth = 1,
  43     kElectronfrompi0 = 2,
  44     kElectronfrompi0both = 3,
  45     kElectronfrometa = 4,
  46     kElectronfrometaboth = 5,
  47     kElectronfromC = 6,
  48     kElectronfromB = 7,
  49     kElectronfromother = 8,
  50     kNoElectron = 9
  51   } Source_t;
  52
  53   typedef enum{
  54     kS = 0,
  55     kOp = 1
  56   } Sign_t;
  57
  58   AliHFENonPhotonicElectron();
  59   AliHFENonPhotonicElectron(const char *name, const Char_t *title);
  60   AliHFENonPhotonicElectron &operator=(const AliHFENonPhotonicElectron &ref);
  61   virtual ~AliHFENonPhotonicElectron();
  62
  63   void SetAOD                   (Bool_t isAOD)                  { fIsAOD = isAOD; };
  64   void SetMCEvent               (AliMCEvent *mcEvent);
  65   void SetAODArrayMCInfo        (TClonesArray *aodArrayMCInfo);
  66   void SetHFEBackgroundCuts     (AliHFEcuts * const cuts)       { fHFEBackgroundCuts = cuts; };
  67   void SetWithWeights(Int_t levelBack);
  68
  69   AliHFEpid             *GetPIDBackground()             const   { return fPIDBackground; };
  70   AliHFEpidQAmanager    *GetPIDBackgroundQAManager()    const   { return fPIDBackgroundQA; };
  71   Int_t GetLevelBack()                                  const   { return fLevelBack; };
  72
  73   void  SetMaxInvMass           (Double_t MaxInvMass)           { fMaxInvMass           = MaxInvMass; };
  74   void  SetMaxOpening3D         (Double_t MaxOpening3D)         { fMaxOpening3D         = MaxOpening3D; };
  75 //  void  SetMaxOpeningTheta    (Double_t MaxOpeningTheta)      { fMaxOpeningTheta      = MaxOpeningTheta; };
  76 //  void  SetMaxOpeningPhi      (Double_t MaxOpeningPhi)        { fMaxOpeningPhi        = MaxOpeningPhi; };
  77   void  SetAlgorithmMA          (Bool_t algorithmMA)            { fAlgorithmMA          = algorithmMA; };
  78   void  SetMassConstraint       (Bool_t MassConstraint)         { fSetMassConstraint    = MassConstraint; };
  79   void  SetITSMeanShift         (Double_t meanshift)            { fITSmeanShift = meanshift; }
  80   void  SetITSnSigmaHigh        (Double_t nSigmaHigh)           { fITSnSigmaHigh = nSigmaHigh; }
  81   void  SetITSnSigmaLow         (Double_t nSigmaLow)            { fITSnSigmaLow = nSigmaLow; }
  82   void  SetminPt             (Double_t minpt)                { fminPt = minpt; }
  83
  84   void SelectCategory1Tracks(Bool_t doSelect = kTRUE) { fSelectCategory1tracks = doSelect; }
  85   void SelectCategory2Tracks(Bool_t doSelect = kTRUE) { fSelectCategory2tracks = doSelect; }
  86
  87   TList      *GetListOutput()           const   { return fListOutput; };
  88   THnSparseF *GetAssElectronHisto()     const   { return fAssElectron; };
  89   THnSparseF *GetIncElectronHisto()     const   { return fIncElectron; };
  90   THnSparseF *GetUSignHisto()           const   { return fUSign; };
  91   THnSparseF *GetLSignHisto()           const   { return fLSign; };
  92 //  THnSparseF *GetUSignAngleHisto() const { return fUSignAngle; };
  93 //  THnSparseF *GetLSignAngleHisto() const { return fLSignAngle; };
  94
  95   void     Init                         ();
  96   void     InitRun                      (const AliVEvent *inputEvent, const AliPIDResponse *pidResponse);
  97   Int_t    FillPoolAssociatedTracks     (AliVEvent *inputEvent, Int_t binct=-1);
  98   Int_t    CountPoolAssociated          (AliVEvent *inputEvent, Int_t binct=-1);
  99   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,Int_t mcQAsource=-1);
 100
 101   Int_t    FindMother           (Int_t tr, Int_t &indexmother) const;
 102
 103   void SetPtBinning(const TArrayD &binning) { fPtBinning = binning; }
 104   void SetPtBinning(Int_t nbins, const Double_t *const binning) { fPtBinning.Set(nbins+1, binning); }
 105   void SetEtaBinning(const TArrayD &binning) { fEtaBinning = binning; }
 106   void SetEtaBinning(Int_t nbins, const Double_t *const binning) { fEtaBinning.Set(nbins+1, binning); }
 107
 108
 109  private:
 110   Int_t    GetMotherPDG(Int_t tr, Int_t &motherIndex) const;
 111   Int_t    CheckPdg             (Int_t tr) const;
 112   Double_t Radius               (Int_t tr) const;
 113   Int_t    IsMotherGamma        (Int_t tr) const;
 114   Int_t    IsMotherPi0          (Int_t tr) const;
 115   Int_t    IsMotherC            (Int_t tr) const;
 116   Int_t    IsMotherB            (Int_t tr) const;
 117   Int_t    IsMotherEta          (Int_t tr) const;
 118   Bool_t MakePairDCA(const AliVTrack *inclusive, const AliVTrack *associated, AliVEvent *vEvent, Bool_t isAOD, Double_t &invMass, Double_t &angle) const;
 119   Bool_t MakePairKF(const AliVTrack *inclusive, const AliVTrack *associated, AliKFVertex &primV, Double_t &invMass, Double_t &angle) const;
 120   Bool_t FilterCategory1Track(const AliVTrack * const track, Bool_t isAOD, Int_t binct);
 121   Bool_t FilterCategory2Track(const AliVTrack * const track, Bool_t isAOD);
 122
 123   Bool_t                    fIsAOD;                         // Is AOD
 124   AliMCEvent                *fMCEvent;                      //! MC event ESD
 125   TClonesArray              *fAODArrayMCInfo;               //! MC info particle AOD
 126   Int_t                     fLevelBack;                     // Level Background
 127   AliHFEcuts                *fHFEBackgroundCuts;            // HFE background cuts
 128   AliHFEpid                 *fPIDBackground;                // PID background cuts
 129   AliHFEpidQAmanager        *fPIDBackgroundQA;              // QA Manager Background
 130   const AliPIDResponse      *fkPIDRespons;                  // PID response
 131   TArrayD                   fPtBinning;                     // pt binning
 132   TArrayD                   fEtaBinning;                    // eta binning
 133   Bool_t                    fAlgorithmMA;                   // algorithm MA
 134   Double_t                  fChi2OverNDFCut;                // Limit chi2
 135   Double_t                  fMaxDCA;                        // Limit dca
 136 //  Double_t                fMaxOpeningTheta;               // Limit opening angle in theta
 137 //  Double_t                fMaxOpeningPhi;                 // Limit opening angle in phi
 138   Double_t                  fMaxOpening3D;                  // Limit opening 3D
 139   Double_t                  fMaxInvMass;                    // Limit invariant mass
 140   Bool_t                    fSetMassConstraint;             // Set mass constraint
 141   Bool_t                    fSelectCategory1tracks;         // Category 1 tracks: Standard track cuts
 142   Bool_t                    fSelectCategory2tracks;         // Category 2 tracks: tracks below 300 MeV/c
 143   Double_t                  fITSmeanShift;                  // Shift of the mean in the ITS
 144   Double_t                  fITSnSigmaHigh;                 // ITS n Sigma electron cut high (>0)
 145   Double_t                  fITSnSigmaLow;                  // ITS n Sigma electron cut low (<0)
 146   Double_t                  fminPt;                         // min pT cut for the associated leg
 147   TArrayI                   *fArraytrack;                   //! list of associated tracks
 148   Int_t                     fCounterPoolBackground;         // number of associated electrons
 149   Int_t                     fnumberfound;                   // number of inclusive  electrons
 150   TList                     *fListOutput;                   // List of histos
 151   THnSparseF                *fAssElectron;                  //! centrality, pt, Source MC, P, TPCsignal
 152   THnSparseF                *fIncElectron;                  //! centrality, pt, Source MC, P, TPCsignal
 153   THnSparseF                *fUSign;                        //! delta phi, c, pt, inv, source
 154   THnSparseF                *fLSign;                        //! delta phi, c, pt, inv, source
 155   THnSparseF                *fUSmatches;                    //! number of matched tracks with oposite sign per inclusive track after inv mass cut
 156   THnSparseF                *fLSmatches;                    //! number of matched tracks with same sign per inclusive track after inv mass cut
 157   TH2F                      *fHnsigmaITS;                    //! Control histogram for ITS pid of category 2 tracks
 158   TH2F                      *fWeightsSource;                 //! Control histo for sources for weights
 159
 160   THnSparseF                *fIncElectronRadius;            //! For fakes
 161   THnSparseF                *fRecElectronRadius;            //! For fakes
 162 //  THnSparseF              *fUSignAngle;                   //! angle, c, source
 163 //  THnSparseF              *fLSignAngle;                   //! angle, c, source
 164
 165
 166   AliHFENonPhotonicElectron(const AliHFENonPhotonicElectron &ref);
 167
 168   ClassDef(AliHFENonPhotonicElectron, 4); //!example of analysis
 169 };
 170
 171 #endif