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55fd51b0 | 1 | #ifndef ALIMUONTRACKLIGHT_H |
2 | #define ALIMUONTRACKLIGHT_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | // Revision of includes 06/09/2006 | |
8 | ||
929be614 | 9 | /// \ingroup evaluation |
55fd51b0 | 10 | /// \class AliMUONTrackLight |
11 | /// \brief Compact information for the muon generated tracks | |
12 | /// | |
13 | /// Compact information for the muon generated tracks in the MUON arm | |
14 | /// useful at the last stage of the analysis chain | |
15 | /// provides a link between the reconstructed track and the generated particle | |
16 | /// stores kinematical information at gen. and rec. level and | |
17 | /// the decay history of the muon, allowing the identification of the | |
18 | /// mother process | |
19 | /// | |
20 | /// To be used together with AliMUONPairLight | |
21 | /// | |
22 | /// \author This class was prepared by INFN Cagliari, July 2006 | |
23 | /// (authors: H.Woehri, A.de Falco) | |
24 | ||
25 | // ROOT classes | |
b88403f3 | 26 | #include "TLorentzVector.h" |
55fd51b0 | 27 | |
28 | class AliMUONTrack; | |
29 | class AliESDMuonTrack; | |
bd5eb041 | 30 | class AliStack; |
55fd51b0 | 31 | class TParticle; |
bd5eb041 | 32 | class AliMUONVTrackStore; |
55fd51b0 | 33 | |
bd5eb041 | 34 | class AliMUONTrackLight : public TObject { |
55fd51b0 | 35 | public: |
36 | AliMUONTrackLight(); | |
37 | AliMUONTrackLight(AliESDMuonTrack* muonTrack); | |
38 | AliMUONTrackLight(const AliMUONTrackLight &muonCopy); | |
b88403f3 | 39 | virtual ~AliMUONTrackLight(); |
55fd51b0 | 40 | |
b88403f3 | 41 | /// Set 4-momentum of the generated particle |
55fd51b0 | 42 | void SetPGen(TLorentzVector pgen) {fPgen = pgen;} |
b88403f3 | 43 | /// Return 4-momentum of the generated particle |
55fd51b0 | 44 | TLorentzVector GetPGen() const {return fPgen;} |
b88403f3 | 45 | /// Set reconstructed 4-momentum |
55fd51b0 | 46 | void SetPRec(TLorentzVector prec) {fPrec = prec;} |
b88403f3 | 47 | /// Return reconstructed 4-momentum |
55fd51b0 | 48 | TLorentzVector GetPRec() const {return fPrec;} |
b88403f3 | 49 | /// Set primary vertex position from the ITS |
55fd51b0 | 50 | void SetVertex(Double_t *xyz) {for (Int_t i=0; i<3; i++) fXYZ[i]=xyz[i];} |
b88403f3 | 51 | /// Return primary vertex x position from the ITS |
52 | Double_t GetX() { return fXYZ[0]; } | |
53 | /// Return primary vertex y position from the ITS | |
54 | Double_t GetY() { return fXYZ[1]; } | |
55 | /// Return primary vertex z position from the ITS | |
56 | Double_t GetZ() { return fXYZ[2]; } | |
57 | /// Return primary vertex position from the ITS | |
55fd51b0 | 58 | Double_t* GetVertex() { return fXYZ; } |
b88403f3 | 59 | /// Set chi2 / ndf in the MUON track fit |
60 | void SetChi2(Double_t chi2) {fChi2=chi2;} | |
61 | /// Return chi2 / ndf in the MUON track fit | |
62 | Double_t GetChi2() { return fChi2; } | |
63 | /// Set weight assigned to the muon | |
64 | void SetWeight(Double_t w) {fWeight=w;} | |
65 | /// Return weight assigned to the muon | |
66 | Double_t GetWeight() { return fWeight; } | |
67 | ||
68 | /// Set muon charge | |
55fd51b0 | 69 | void SetCharge(Int_t charge) {fCharge = charge;} |
b88403f3 | 70 | /// Return muon charge |
55fd51b0 | 71 | Int_t GetCharge() const {return fCharge;} |
b88403f3 | 72 | /// Return hadronised parents and grandparents |
55fd51b0 | 73 | Int_t GetParentPDGCode(Int_t index = 0) const { return fParentPDGCode[index]; } |
b88403f3 | 74 | /// Return line of Pythia output for hadronised parents & grandparents |
55fd51b0 | 75 | Int_t GetParentPythiaLine(Int_t index = 0) const { return fParentPythiaLine[index]; } |
b88403f3 | 76 | /// Return pdg of the string [0], quarks/gluons [1,2], sometimes proton [3] |
55fd51b0 | 77 | Int_t GetQuarkPDGCode(Int_t index = 0) const { return fQuarkPDGCode[index]; } |
b88403f3 | 78 | /// Return line of Pythia output for string [0] and quarks [1,2], sometimes proton [3] |
55fd51b0 | 79 | Int_t GetQuarkPythiaLine(Int_t index = 0) const { return fQuarkPythiaLine[index]; } |
b88403f3 | 80 | /// Return line of Pythia output for string [0] and quarks [1,2], sometimes proton [3] |
55fd51b0 | 81 | Int_t GetTrackPythiaLine() const {return fTrackPythiaLine;} |
b88403f3 | 82 | /// Return pdg code of the rec. track (in general will be a muon) |
55fd51b0 | 83 | Int_t GetTrackPDGCode() const {return fTrackPDGCode;} |
b88403f3 | 84 | /// Set line of kin. stack where rec. track (in general, the muon) is stored |
55fd51b0 | 85 | void SetTrackPythiaLine(Int_t trackLine) {fTrackPythiaLine = trackLine;} |
b88403f3 | 86 | /// Set pdg code of the rec. track (in general will be a muon) |
55fd51b0 | 87 | void SetTrackPDGCode(Int_t trackPdg) {fTrackPDGCode = trackPdg;} |
b88403f3 | 88 | void FillFromESD(AliESDMuonTrack* muonTrack, Double_t zvert=-9999); |
bd5eb041 | 89 | void FillFromAliMUONTrack(AliMUONTrack *trackReco,Double_t zvert=-9999); |
b88403f3 | 90 | /// Return info if is a muon |
55fd51b0 | 91 | Bool_t IsAMuon() const { return (TMath::Abs(fTrackPDGCode)==13); } |
b88403f3 | 92 | Bool_t IsParentPionOrKaon(Int_t idParent = 0); |
55fd51b0 | 93 | void SetPxPyPz(Double_t px, Double_t py, Double_t pz); |
b88403f3 | 94 | /// Set flag for trigger |
55fd51b0 | 95 | void SetTriggered(Bool_t isTriggered) { fIsTriggered = isTriggered; } |
b88403f3 | 96 | /// Return flag for trigger |
55fd51b0 | 97 | Bool_t IsTriggered() const { return fIsTriggered; } |
61fed964 | 98 | TParticle* FindRefTrack(AliMUONTrack* trackReco, AliMUONVTrackStore* trackRefArray, AliStack* stack); |
55fd51b0 | 99 | Int_t TrackCheck(Bool_t *compTrack); |
b88403f3 | 100 | /// Return acually filled no. of *fragmented* parents |
55fd51b0 | 101 | Int_t GetNParents() const {return fNParents;} |
b88403f3 | 102 | void FillMuonHistory(AliStack *stack, TParticle *part); |
55fd51b0 | 103 | Bool_t IsB0(Int_t intTest) const;//checks if the provided PDG code corresponds to a neutral B meson |
104 | Bool_t IsMotherAResonance(Int_t index=0) const; | |
b88403f3 | 105 | /// Return flag for oscillation |
55fd51b0 | 106 | Bool_t GetOscillation() const {return fOscillation;} |
107 | virtual void PrintInfo(Option_t* opt); //"H" muon's decay history | |
108 | //"K" muon kinematics | |
109 | //"A" all variables | |
110 | Int_t GetParentFlavour(Int_t idParent=0) const; | |
b88403f3 | 111 | Bool_t IsDiquark(Int_t pdg); |
55fd51b0 | 112 | protected: |
b88403f3 | 113 | static const Int_t fgkNParentsMax = 5; ///< maximum number of parents |
114 | TLorentzVector fPrec; ///< reconstructed 4-momentum | |
115 | Double_t fXYZ[3]; ///< primary vertex position from the ITS | |
116 | Bool_t fIsTriggered; ///< flag for trigger | |
117 | Int_t fCharge; ///< muon charge | |
118 | Double_t fChi2; ///< chi2 / ndf in the MUON track fit | |
119 | Float_t fCentr; ///< centrality | |
120 | TLorentzVector fPgen; ///< 4-momentum of the generated particle | |
121 | Int_t fTrackPythiaLine; ///< line of kin. stack where rec. track (in general, the muon) is stored | |
122 | Int_t fTrackPDGCode; ///< pdg code of the rec. track (in general will be a muon) | |
123 | Int_t fParentPDGCode[fgkNParentsMax]; ///< hadronised parents and grandparents | |
124 | Int_t fParentPythiaLine[fgkNParentsMax];///< line of Pythia output for hadronised parents & grandparents | |
125 | Int_t fQuarkPDGCode[4]; ///< pdg of the string [0], quarks/gluons [1,2], sometimes proton [3] | |
126 | Int_t fQuarkPythiaLine[4]; ///< line of Pythia output for string [0] and quarks [1,2], sometimes proton [3] | |
127 | Bool_t fOscillation; ///< flag for oscillation | |
128 | Int_t fNParents; ///< acually filled no. of *fragmented* parents | |
129 | Double_t fWeight; ///< weight assigned to the muon | |
130 | /// Set flag for oscillation | |
55fd51b0 | 131 | void SetOscillation(Bool_t oscillation) { fOscillation = oscillation; } |
b88403f3 | 132 | /// Set hadronised parents and grandparents |
55fd51b0 | 133 | void SetParentPDGCode(Int_t index, Int_t pdg) { fParentPDGCode[index] = pdg; } |
b88403f3 | 134 | /// Set line of Pythia output for hadronised parents & grandparents |
55fd51b0 | 135 | void SetParentPythiaLine(Int_t index, Int_t line) { fParentPythiaLine[index] = line; } |
b88403f3 | 136 | /// Set pdg of the string [0], quarks/gluons [1,2], sometimes proton [3] |
55fd51b0 | 137 | void SetQuarkPDGCode(Int_t index, Int_t pdg){ fQuarkPDGCode[index] = pdg; } |
b88403f3 | 138 | /// Set line of Pythia output for string [0] and quarks [1,2], sometimes proton [3] |
55fd51b0 | 139 | void SetQuarkPythiaLine(Int_t index, Int_t line){ fQuarkPythiaLine[index] = line; } |
140 | void ResetQuarkInfo(); | |
141 | ||
142 | ClassDef(AliMUONTrackLight,1) /// Muon Track for analysis | |
143 | }; | |
144 | ||
145 | #endif |