PWG3/vertexingHF/AliHFSystErr.h

   1 #ifndef ALIHFSYSTERR_H
   2 #define ALIHFSYSTERR_H
   3 /* Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 //***********************************************************
   7 // Class AliRDHFSystErr
   8 // to handle systematic errors for charm hadrons
   9 // Author: A.Dainese, andrea.dainese@pd.infn.it
  10 //***********************************************************
  11
  12 #include <TNamed.h>
  13 #include <TH1F.h>
  14 #include "TGraphAsymmErrors.h"
  15
  16
  17 class AliHFSystErr : public TNamed
  18 {
  19  public:
  20
  21   AliHFSystErr(const Char_t* name="HFSystErr", const Char_t* title="");
  22   AliHFSystErr(Int_t decay,const Char_t* name="HFSystErr", const Char_t* title="");
  23
  24   virtual ~AliHFSystErr();
  25
  26   void DrawErrors(TGraphAsymmErrors *grErrFeeddown=0) const;
  27
  28   Double_t GetNormErr() const {return (fNorm ? fNorm->GetBinContent(0) : 0.);}
  29   Double_t GetBRErr() const {return (fBR ? fBR->GetBinContent(0) : 0.);}
  30   Double_t GetCutsEffErr(Double_t pt) const;
  31   Double_t GetMCPtShapeErr(Double_t pt) const;
  32   Double_t GetSeleEffErr(Double_t pt) const;
  33   Double_t GetPartAntipartErr(Double_t pt) const;
  34   Double_t GetPIDEffErr(Double_t pt) const;
  35   Double_t GetRawYieldErr(Double_t pt) const;
  36   Double_t GetTrackingEffErr(Double_t pt) const;
  37   Double_t GetTotalSystErr(Double_t pt,Double_t feeddownErr=0) const;
  38
  39
  40  private:
  41
  42   AliHFSystErr(const AliHFSystErr& source);
  43   AliHFSystErr& operator=(const AliHFSystErr& source);
  44
  45
  46   void InitD0toKpi();
  47   void InitDplustoKpipi();
  48   void InitDstartoD0pi();
  49
  50   TH1F *fNorm;            // normalization
  51   TH1F *fRawYield;        // raw yield
  52   TH1F *fTrackingEff;     // tracking efficiency
  53   TH1F *fBR;              // branching ratio
  54   TH1F *fCutsEff;         // cuts efficiency
  55   TH1F *fPIDEff;          // PID efficiency
  56   TH1F *fMCPtShape;       // MC dNdpt
  57   TH1F *fPartAntipart;    // particle=antiparticle
  58
  59   ClassDef(AliHFSystErr,1);  // class for systematic errors of charm hadrons
  60 };
  61
  62 #endif
  63