1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 // QA class of primary vertex study for Heavy Flavor electrons
17 // this has functionality to reject electrons from primary vertex
18 // and check primary vertex characteristics
21 #ifndef ALIHFEPRIVTX_H
22 #define ALIHFEPRIVTX_H
25 //#include <TObject.h>
36 //________________________________________________________________
37 class AliHFEpriVtx : public TObject {
41 AliHFEpriVtx(const AliHFEpriVtx &p); // copy constructor
42 AliHFEpriVtx &operator=(const AliHFEpriVtx &); // assignment operator
43 virtual ~AliHFEpriVtx();
45 void CreateHistograms(TString hnopt=""); // create histograms
47 void SetEvent(AliESDEvent * const ESD){fESD1=ESD;}; // set ESD pointer
48 void SetStack(AliStack * const stack){fStack=stack;} // set stack pointer
49 void CountNtracks(Int_t sourcePart, Int_t recpid, Double_t recprob); // count number of tracks passed certain cut
50 void FillNtracks(); // fill counted number of tracks
51 void CountPriVxtElecContributor(AliESDtrack *ESDelectron, Int_t sourcePart, Int_t recpid, Double_t recprob);
52 void GetNPriVxtContributor();
53 void FillNprimVtxContributor() const;
54 Double_t GetDistanceFromRecalVertexXY(AliESDtrack *ESDelectron);
56 Int_t GetMCPID(AliESDtrack *track); // return mc pid
60 AliESDEvent* fESD1; // ESD event
61 AliStack* fStack; // MC Stack
63 TString fkSourceLabel[10]; // storing source label
65 enum kSources {kAll, kDirectCharm, kDirectBeauty, kBeautyCharm, kGamma, kPi0, kElse, kBeautyGamma, kBeautyPi0, kBeautyElse};
68 TH1F *fNtracks; // histogram to fill number of counted tracks for different sources
69 TH1F *fNprimVtxContributor; // histogram to fill number of tracks contributing primary vertex
70 TH1F *fPtElec; // histogram to fill pt of electron tracks
71 TH1F *fPtElecContributor; // histogram to fill pt of electron tracks contributing primary vertex
72 Int_t fNtrackCount; // number of counted track
73 Int_t fNprimVtxContributorCount; // number of tracks contributing primary vertex
77 , fNprimVtxContributor()
79 , fPtElecContributor()
81 , fNprimVtxContributorCount(0)
83 // default constructor
86 AliHists(const AliHists & p)
87 : fNtracks(p.fNtracks)
88 , fNprimVtxContributor(p.fNprimVtxContributor)
90 , fPtElecContributor(p.fPtElecContributor)
91 , fNtrackCount(p.fNtrackCount)
92 , fNprimVtxContributorCount(p.fNprimVtxContributorCount)
96 AliHists &operator=(const AliHists &)
98 // assignment operator, not yet implemented
102 AliHists fPrimVtx[10]; // define structure of histograms
104 Int_t fNtrackswoPid; // number of track counted
105 TH1F *fHNtrackswoPid; // histogram to fill number of track counted
106 TH1I *fNESDprimVtxContributor; // histogram to fill number of primary vertex contributor for given event
107 TH1I *fNESDprimVtxIndices; // histogram to fill number of primary vertex indices for given event
108 TH2F *fDiffDCAvsPt; // histogram to fill DCA difference as a function of pT
109 TH2F *fDiffDCAvsNt; // histogram to fill DCA difference as a function of pT
112 ClassDef(AliHFEpriVtx,0);