Coding convention, cosmetic changes
[u/mrichter/AliRoot.git] / ANALYSIS / AliD0toKpiAnalysis.h
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3a9a3487 1#ifndef AliD0toKpiAnalysis_H
2#define AliD0toKpiAnalysis_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//-------------------------------------------------------------------------
7// Class AliD0toKpiAnalysis
8// Reconstruction and analysis D0 -> K^- pi^+
9//
10// Origin: A. Dainese andrea.dainese@pd.infn.it
11//-------------------------------------------------------------------------
12
3a9a3487 13#include <TString.h>
14#include <TNamed.h>
15#include "AliESD.h"
16#include "AliITStrackV2.h"
3a9a3487 17
18//-----------------------------------------------------------------------------
19class AliD0toKpiAnalysis : public TNamed {
20 public:
21 //
22 AliD0toKpiAnalysis();
23 virtual ~AliD0toKpiAnalysis();
24
25 void ApplySelection(const Char_t *inName="AliD0toKpi.root",
26 const Char_t *outName="AliD0toKpi_sele.root") const;
27 void FindCandidates(Int_t evFirst=0,Int_t evLast=0,
28 const Char_t *outName="AliD0toKpi.root");
29 void FindCandidatesESD(Int_t evFirst=0,Int_t evLast=0,
30 const Char_t *outName="AliD0toKpi.root");
31 void PrintStatus() const;
7b84ea57 32 void SetBz(Double_t bz=-9999.) { fBz=bz; }
33 void SetVertexOnTheFly() { fVertexOnTheFly=kTRUE; }
34 void SetSimulation() { fSim=kTRUE; }
35 void SetOnlySignal() { fOnlySignal=kTRUE; }
36 void SetPtCut(Double_t pt=0.) { fPtCut=pt; }
37 void Setd0Cut(Double_t d0=0.) { fd0Cut=d0; }
38 void SetMassCut(Double_t deltaM=1000.) { fMassCut=deltaM; }
3a9a3487 39 void SetD0Cuts(Double_t cut0=1000.,Double_t cut1=100000.,
40 Double_t cut2=1.1,Double_t cut3=0.,Double_t cut4=0.,
41 Double_t cut5=100000.,Double_t cut6=100000.,
42 Double_t cut7=100000000.,Double_t cut8=-1.1);
43 void SetD0Cuts(const Double_t cuts[9]);
7b84ea57 44 void SetPID(const Char_t * pid="TOFparam_PbPb") { fPID=pid; }
45 void SetDebug() { fDebug=kTRUE; }
3a9a3487 46 //
47 private:
48 //
49 Double_t fBz; // value of the magnetic field
50 Bool_t fVertexOnTheFly; // flag for primary vertex reco on the fly
51 Bool_t fSim; // flag for the analysis of simulated events
52 Bool_t fOnlySignal; // write to file only signal candidates (for sim)
53 TString fPID; // PID scheme
54
55 Double_t fV1[3]; // primary vertex position (in cm)
56 Double_t fPtCut; // minimum track pt (in GeV/c)
57 Double_t fd0Cut; // minimum track |rphi impact parameter| (in micron)
58 Double_t fMassCut; // maximum of |InvMass-MD0| (in GeV)
59 Double_t fD0Cuts[9]; // cuts on D0 candidates (see SetD0Cuts())
60 // (to be passed to function AliD0toKpi::Select())
61 // 0 = inv. mass half width [GeV]
62 // 1 = dca [micron]
63 // 2 = cosThetaStar
64 // 3 = pTK [GeV/c]
65 // 4 = pTPi [GeV/c]
66 // 5 = d0K [micron] upper limit!
67 // 6 = d0Pi [micron] upper limit!
68 // 7 = d0d0 [micron^2]
69 // 8 = cosThetaPoint
70
71 Bool_t fDebug; // debug option
72 //
73 Double_t CalculateTOFmass(Double_t mom,Double_t length,Double_t time) const;
74 void MakeTracksRefFile(Int_t evFirst=0,Int_t evLast=0) const;
75 void MakeTracksRefFileESD() const;
76 Bool_t SelectInvMass(const Double_t p[6]) const;
77 void SelectTracks(TTree &trkTree,
7b84ea57 78 TObjArray &trksP,Int_t *trkEntryP,Int_t &nTrksP,
79 TObjArray &trksN,Int_t *trkEntryN,Int_t &nTrksN) const;
3a9a3487 80 void SelectTracksESD(AliESD &event,
7b84ea57 81 TObjArray &trksP,Int_t *trkEntryP,Int_t &nTrksP,
82 TObjArray &trksN,Int_t *trkEntryN,Int_t &nTrksN) const;
3a9a3487 83 void SelectTracksESDvtx(AliESD &event,TTree *trkTree,
7b84ea57 84 TObjArray &trksP,Int_t *trkEntryP,Int_t &nTrksP,
85 TObjArray &trksN,Int_t *trkEntryN,Int_t &nTrksN) const;
3a9a3487 86 void SetVertex1(Double_t x=0.,Double_t y=0.,Double_t z=0.)
7b84ea57 87 { fV1[0]=x;fV1[1]=y;fV1[2]=z; }
3a9a3487 88 void SimulationInfo(TTree *treeD0in,TTree *treeD0out) const;
89 Bool_t SingleTrkCuts(const AliITStrackV2& trk) const;
90 //
91 ClassDef(AliD0toKpiAnalysis,1) // Reconstruction of D0 candidates class
92};
93
94
95#endif
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