1 #ifndef AliMuonForwardTrack_H
2 #define AliMuonForwardTrack_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 //====================================================================================================================================================
9 // Description of an ALICE muon forward track, combining the information of the Muon Spectrometer and the Muon Forward Tracker
11 // Contact author: antonio.uras@cern.ch
13 //====================================================================================================================================================
16 #include "AliMUONTrack.h"
17 #include "AliMFTCluster.h"
18 #include "AliMUONVCluster.h"
19 #include "AliMUONTrackParam.h"
21 #include "TClonesArray.h"
22 #include "TParticle.h"
23 #include "AliMFTConstants.h"
24 #include "TLorentzVector.h"
26 //====================================================================================================================================================
28 class AliMuonForwardTrack : public AliMUONTrack {
32 static const Int_t fgkNParentsMax = 5; ///< maximum number of parents
34 AliMuonForwardTrack();
35 AliMuonForwardTrack(AliMUONTrack *MUONTrack);
37 AliMuonForwardTrack(const AliMuonForwardTrack&);
38 AliMuonForwardTrack &operator=(const AliMuonForwardTrack&);
40 virtual ~AliMuonForwardTrack();
41 virtual void Clear(const Option_t* /*opt*/);
43 void SetMUONTrack(AliMUONTrack *MUONTrack);
44 void SetMCTrackRef(TParticle *MCTrackRef);
45 AliMUONTrack* GetMUONTrack() { return fMUONTrack; }
46 TParticle* GetMCTrackRef() { return fMCTrackRef; }
48 Int_t GetCharge() { return TMath::Nint(GetTrackParamAtMUONCluster(0)->GetCharge()); }
50 AliMUONVCluster* GetMUONCluster(Int_t iMUONCluster);
51 AliMFTCluster* GetMFTCluster(Int_t iMFTCluster);
53 AliMUONTrackParam* GetTrackParamAtMUONCluster(Int_t iMUONCluster);
54 AliMUONTrackParam* GetTrackParamAtMFTCluster(Int_t iMFTCluster);
56 void SetPlaneExists(Int_t iPlane, Bool_t value=kTRUE) { fPlaneExists[iPlane] = value; }
57 Bool_t PlaneExists(Int_t iPlane) { return fPlaneExists[iPlane]; }
59 Int_t GetNMUONClusters() { return fMUONTrack->GetNClusters(); }
60 Int_t GetNMFTClusters() { return fMFTClusters->GetEntries(); }
62 Int_t GetMCLabelMUONTrack() { return fMUONTrack->GetMCLabel(); }
64 void AddTrackParamAtMFTCluster(AliMUONTrackParam &trackParam, AliMFTCluster &mftCluster);
66 Double_t RunKalmanFilter(AliMUONTrackParam &trackParamAtCluster);
68 Double_t GetWeightedOffset(Double_t x, Double_t y, Double_t z);
69 Double_t GetOffset(Double_t x, Double_t y, Double_t z);
70 Double_t GetDCA(Double_t x, Double_t y, Double_t z);
71 Double_t GetMomentumSpectrometer(Double_t z);
72 Double_t GetOffsetX(Double_t x, Double_t z);
73 Double_t GetOffsetY(Double_t y, Double_t z);
74 Double_t GetThetaAbs();
76 void SetParentMCLabel(Int_t iParent, Int_t MClabel) { if (0<=iParent && iParent<fgkNParentsMax) fParentMCLabel[iParent] = MClabel; }
77 void SetParentPDGCode(Int_t iParent, Int_t PDGCode) { if (0<=iParent && iParent<fgkNParentsMax) fParentPDGCode[iParent] = PDGCode; }
79 Int_t GetParentMCLabel(Int_t iParent) { if (0<=iParent && iParent<fgkNParentsMax) return fParentMCLabel[iParent]; else return -1; }
80 Int_t GetParentPDGCode(Int_t iParent) { if (0<=iParent && iParent<fgkNParentsMax) return fParentPDGCode[iParent]; else return 0; }
82 void SetNWrongClustersMC(Int_t nClusters) { fNWrongClustersMC = nClusters; }
83 Int_t GetNWrongClustersMC() { return fNWrongClustersMC; }
85 Double_t Pt() { return fKinem.Pt(); }
86 Double_t Eta() { return fKinem.Eta(); }
87 Double_t Rapidity() { return fKinem.Rapidity(); }
88 Double_t Px() { return fKinem.Px(); }
89 Double_t Py() { return fKinem.Py(); }
90 Double_t Pz() { return fKinem.Pz(); }
91 Double_t P() { return fKinem.P(); }
93 TMatrixD GetParamCovMatrix() { return fParamCovMatrix; }
95 void EvalKinem(Double_t z);
97 void SetTrackMCId(Int_t id) { fTrackMCId = id; }
98 Int_t GetTrackMCId() { return fTrackMCId; }
100 Bool_t IsFromDirectResonance();
101 Bool_t IsFromDirectCharm();
102 Bool_t IsFromDirectBeauty();
103 Bool_t IsFromChainResonance();
104 Bool_t IsFromChainCharm();
105 Bool_t IsFromChainBeauty();
106 Bool_t IsFromCharm() { return IsFromDirectCharm() || IsFromChainCharm(); }
107 Bool_t IsFromBeauty() { return IsFromDirectBeauty() || IsFromChainBeauty(); }
110 Bool_t IsPDGResonance(Int_t pdg);
111 Bool_t IsPDGCharm(Int_t pdg);
112 Bool_t IsPDGBeauty(Int_t pdg);
113 Bool_t IsMuonFromBackground();
115 Int_t GetFirstMotherID();
121 static const Int_t fNMaxPlanes = AliMFTConstants::fNMaxPlanes; // max number of MFT planes
123 Bool_t fPlaneExists[fNMaxPlanes];
125 AliMUONTrack *fMUONTrack;
126 TParticle *fMCTrackRef;
128 TClonesArray *fMFTClusters;
130 Int_t fParentMCLabel[fgkNParentsMax]; ///< MC label of parents and grandparents
131 Int_t fParentPDGCode[fgkNParentsMax]; ///< PDG code of parents and grandparents
133 Int_t fNWrongClustersMC; // number of wrong associated MC clusters
135 Int_t fTrackMCId; // this number will identify the track within a MC simulation: run, event, MUON track
137 TLorentzVector fKinem;
139 TMatrixD fParamCovMatrix;
141 ClassDef(AliMuonForwardTrack,2)
145 //====================================================================================================================================================