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2eedd4ed | 1 | #ifndef ALIAODCONVERSIONMOTHER_H |
2 | #define ALIAODCONVERSIONMOTHER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //////////////////////////////////////////////// | |
7 | //--------------------------------------------- | |
8 | // Class reconstructing the mother particle of conversion gammas | |
9 | //--------------------------------------------- | |
10 | //////////////////////////////////////////////// | |
11 | ||
12 | //Author Daniel Lohner (Daniel.Lohner@cern.ch) | |
13 | ||
14 | #include "TLorentzVector.h" | |
15 | #include "AliAODConversionParticle.h" | |
16 | #include "AliAODConversionPhoton.h" | |
17 | #include "AliKFConversionMother.h" | |
18 | #include "AliKFParticle.h" | |
19 | ||
20 | class AliAODConversionMother : public AliAODConversionParticle{ | |
21 | ||
22 | public: | |
23 | ||
92efd725 | 24 | //Default Constructor |
2eedd4ed | 25 | AliAODConversionMother(); |
26 | ||
92efd725 | 27 | // Constructor for ESD to AOD Conversion |
2eedd4ed | 28 | AliAODConversionMother(AliKFConversionMother *kf); |
92efd725 | 29 | |
30 | //Constructor Decay Mother Particle | |
2eedd4ed | 31 | AliAODConversionMother(AliAODConversionPhoton *y1,AliAODConversionPhoton *y2); |
32 | ||
92efd725 | 33 | //Destructor |
2eedd4ed | 34 | virtual ~AliAODConversionMother(); |
35 | ||
92efd725 | 36 | // MC |
37 | ||
38 | void SetMCLabel(Int_t i){fMCLabel=i;} | |
39 | Int_t GetMCLabel(){return fMCLabel;} | |
40 | TParticle *GetMCParticle(AliStack *fMCStack); | |
41 | Bool_t IsTrueMeson(AliStack *fMCStack,Int_t pdgcode); | |
42 | ||
43 | ///Set the Chi2 of reconstructed conversion gamma | |
2eedd4ed | 44 | void SetChi2(Float_t chi2) {fChi2 = chi2;} |
45 | ||
92efd725 | 46 | //Get the Chi2 of particle |
2eedd4ed | 47 | Float_t Chi2() const {return fChi2;} |
48 | ||
49 | ///Set track or MC labels | |
50 | void SetLabel1(Int_t label){fLabel[0] = label;} | |
51 | void SetLabel2(Int_t label){fLabel[1] = label;} | |
92efd725 | 52 | void SetLabel3(Int_t label){fLabel[2] = label;} |
53 | void SetLabels(Int_t label1, Int_t label2, Int_t label3 = 0){fLabel[0] = label1; fLabel[1] = label2; fLabel[2] = label3;} | |
2eedd4ed | 54 | |
55 | Int_t GetLabel(Int_t i) const {return fLabel[i];} | |
56 | Int_t GetLabel1() const {return fLabel[0];} | |
57 | Int_t GetLabel2() const {return fLabel[1];} | |
4803eb1f | 58 | Int_t GetLabel3() const {return fLabel[2];} |
92efd725 | 59 | |
4803eb1f | 60 | Double_t GetProductionRadius() const {return TMath::Sqrt(fProductionVtx[0]*fProductionVtx[0]+fProductionVtx[1]*fProductionVtx[1]);} |
61 | Double_t GetProductionX() const {return fProductionVtx[0];} | |
62 | Double_t GetProductionY() const {return fProductionVtx[1];} | |
63 | Double_t GetProductionZ() const {return fProductionVtx[2];} | |
64 | ||
65 | Float_t GetDCABetweenPhotons() const {return fdcaBetweenPhotons;} | |
66 | Float_t GetDCAZMotherPrimVtx() const {return fdcaZPrimVtx;} | |
67 | Float_t GetDCARMotherPrimVtx() const {return fdcaRPrimVtx;} | |
68 | UChar_t GetMesonQuality() const {return fQuality;} | |
69 | ||
2eedd4ed | 70 | Double_t GetOpeningAngle() const { return fOpeningAngle;} |
71 | ||
72 | Double_t GetAlpha() const { return fAlpha;} | |
73 | ||
69b05e50 | 74 | void SetWeight(Double_t weight) {fWeight=weight;} |
75 | Double_t GetWeight() const {return fWeight;} | |
2eedd4ed | 76 | |
4803eb1f | 77 | Float_t CalculateDistanceBetweenPhotons(AliAODConversionPhoton* y1, AliAODConversionPhoton* y2 , Double_t prodPoint[3]); |
78 | void CalculateDistanceOfClossetApproachToPrimVtx(const AliVVertex* primVertex); | |
79 | void DetermineMesonQuality(AliAODConversionPhoton* y1, AliAODConversionPhoton* y2); | |
80 | ||
2eedd4ed | 81 | private: |
92efd725 | 82 | Int_t fLabel[3]; // Labels of the decay photons |
83 | Int_t fMCLabel; // MC Label | |
2eedd4ed | 84 | Float_t fChi2; // Chi sq of reconstructed mother |
85 | Double_t fOpeningAngle; | |
86 | Double_t fAlpha; | |
69b05e50 | 87 | Double_t fWeight; // Weight for BG Calculation |
4803eb1f | 88 | Float_t fdcaBetweenPhotons; // dca between the two photons |
89 | Double_t fProductionVtx[3]; // Production vertex | |
90 | Float_t fdcaZPrimVtx; // dca Z of meson to primary vertex | |
91 | Float_t fdcaRPrimVtx; // dca R of meson to primary vertex | |
92 | UChar_t fQuality; // Quality of the meson: | |
93 | // 0: garbage | |
94 | // 1: both photons quality 1 | |
95 | // 2: 1 photon quality 1, 1 photon quality 2 | |
96 | // 3: 1 photon quality 1, 1 photon quality 3 | |
97 | // 4: both photons quality 2 | |
98 | // 5: 1 photon quality 2, 1 photon quality 3 | |
99 | // 6: both photons quality 3 | |
100 | ||
101 | ||
102 | ClassDef(AliAODConversionMother,4) | |
2eedd4ed | 103 | }; |
104 | ||
105 | #endif |