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672b5f43 | 1 | #ifndef ALIESDMUONTRACK_H |
2 | #define ALIESDMUONTRACK_H | |
3 | ||
af7ba10c | 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
d5efea33 | 5 | * See cxx source for full Copyright notice */ |
af7ba10c | 6 | |
7 | /* $Id$ */ | |
8 | ||
9 | // Class to describe the MUON tracks | |
10 | // in the Event Summary Data class | |
11 | // Author: G.Martinez | |
12 | ||
13 | ||
ad85871a | 14 | #include <TMath.h> |
60765b06 | 15 | #include <TMatrixD.h> |
16 | #include <TDatabasePDG.h> | |
ad85871a | 17 | |
18 | #include "AliVParticle.h" | |
672b5f43 | 19 | |
d5efea33 | 20 | class AliESDMuonCluster; |
21 | class TClonesArray; | |
39b8d0dd | 22 | class TLorentzVector; |
23 | ||
ad85871a | 24 | class AliESDMuonTrack : public AliVParticle { |
5ec1b3bc | 25 | public: |
90e48c0c | 26 | AliESDMuonTrack(); //Constructor |
d5efea33 | 27 | virtual ~AliESDMuonTrack(); // Destructor |
af7ba10c | 28 | AliESDMuonTrack(const AliESDMuonTrack& esdm); |
29 | AliESDMuonTrack& operator=(const AliESDMuonTrack& esdm); | |
732a24fe | 30 | virtual void Copy(TObject &obj) const; |
5ec1b3bc | 31 | |
4c510ac5 | 32 | virtual void Clear(Option_t* opt = ""); |
33 | ||
d5efea33 | 34 | // Get and Set methods for data at vertex |
5ec1b3bc | 35 | Double_t GetInverseBendingMomentum(void) const {return fInverseBendingMomentum;} |
39b8d0dd | 36 | void SetInverseBendingMomentum(Double_t InverseBendingMomentum) |
37 | {fInverseBendingMomentum = InverseBendingMomentum;} | |
5ec1b3bc | 38 | Double_t GetThetaX(void) const {return fThetaX;} |
39b8d0dd | 39 | void SetThetaX(Double_t ThetaX) {fThetaX = ThetaX;} |
5ec1b3bc | 40 | Double_t GetThetaY(void) const {return fThetaY;} |
39b8d0dd | 41 | void SetThetaY(Double_t ThetaY) {fThetaY = ThetaY;} |
5ec1b3bc | 42 | Double_t GetZ(void) const {return fZ;} |
39b8d0dd | 43 | void SetZ(Double_t Z) {fZ = Z;} |
5ec1b3bc | 44 | Double_t GetBendingCoor(void) const {return fBendingCoor;} |
39b8d0dd | 45 | void SetBendingCoor(Double_t BendingCoor) {fBendingCoor = BendingCoor;} |
5ec1b3bc | 46 | Double_t GetNonBendingCoor(void) const {return fNonBendingCoor;} |
39b8d0dd | 47 | void SetNonBendingCoor(Double_t NonBendingCoor) {fNonBendingCoor = NonBendingCoor;} |
48 | ||
d5efea33 | 49 | // Get and Set methods for data at Distance of Closest Approach in the vertex plane |
50 | Double_t GetInverseBendingMomentumAtDCA(void) const {return fInverseBendingMomentumAtDCA;} | |
51 | void SetInverseBendingMomentumAtDCA(Double_t InverseBendingMomentum) | |
52 | {fInverseBendingMomentumAtDCA = InverseBendingMomentum;} | |
53 | Double_t GetThetaXAtDCA(void) const {return fThetaXAtDCA;} | |
54 | void SetThetaXAtDCA(Double_t ThetaX) {fThetaXAtDCA = ThetaX;} | |
55 | Double_t GetThetaYAtDCA(void) const {return fThetaYAtDCA;} | |
56 | void SetThetaYAtDCA(Double_t ThetaY) {fThetaYAtDCA = ThetaY;} | |
57 | Double_t GetBendingCoorAtDCA(void) const {return fBendingCoorAtDCA;} | |
58 | void SetBendingCoorAtDCA(Double_t BendingCoor) {fBendingCoorAtDCA = BendingCoor;} | |
59 | Double_t GetNonBendingCoorAtDCA(void) const {return fNonBendingCoorAtDCA;} | |
60 | void SetNonBendingCoorAtDCA(Double_t NonBendingCoor) {fNonBendingCoorAtDCA = NonBendingCoor;} | |
61 | Double_t GetDCA(void) const {return TMath::Sqrt(fNonBendingCoorAtDCA*fNonBendingCoorAtDCA + | |
62 | fBendingCoorAtDCA*fBendingCoorAtDCA);} | |
63 | ||
64 | // Get and Set methods for data at first station | |
39b8d0dd | 65 | Double_t GetInverseBendingMomentumUncorrected(void) const {return fInverseBendingMomentumUncorrected;} |
66 | void SetInverseBendingMomentumUncorrected(Double_t InverseBendingMomentum) | |
67 | {fInverseBendingMomentumUncorrected = InverseBendingMomentum;} | |
68 | Double_t GetThetaXUncorrected(void) const {return fThetaXUncorrected;} | |
69 | void SetThetaXUncorrected(Double_t ThetaX) {fThetaXUncorrected = ThetaX;} | |
70 | Double_t GetThetaYUncorrected(void) const {return fThetaYUncorrected;} | |
71 | void SetThetaYUncorrected(Double_t ThetaY) {fThetaYUncorrected = ThetaY;} | |
72 | Double_t GetZUncorrected(void) const {return fZUncorrected;} | |
73 | void SetZUncorrected(Double_t Z) {fZUncorrected = Z;} | |
74 | Double_t GetBendingCoorUncorrected(void) const {return fBendingCoorUncorrected;} | |
75 | void SetBendingCoorUncorrected(Double_t BendingCoor) {fBendingCoorUncorrected = BendingCoor;} | |
76 | Double_t GetNonBendingCoorUncorrected(void) const {return fNonBendingCoorUncorrected;} | |
77 | void SetNonBendingCoorUncorrected(Double_t NonBendingCoor) {fNonBendingCoorUncorrected = NonBendingCoor;} | |
d5efea33 | 78 | |
79 | // Get and Set methods for covariance matrix of data at first station | |
60765b06 | 80 | void GetCovariances(TMatrixD& cov) const; |
81 | void SetCovariances(const TMatrixD& cov); | |
82 | void GetCovarianceXYZPxPyPz(Double_t cov[21]) const; | |
d5efea33 | 83 | |
84 | // Get and Set methods for global tracking info | |
5ec1b3bc | 85 | Double_t GetChi2(void) const {return fChi2;} |
39b8d0dd | 86 | void SetChi2(Double_t Chi2) {fChi2 = Chi2;} |
4f036e6e | 87 | UChar_t GetNHit(void) const {return fNHit;} |
39b8d0dd | 88 | void SetNHit(UInt_t NHit) {fNHit = NHit;} |
d5efea33 | 89 | |
90 | // Get and Set methods for trigger matching | |
423b32ca | 91 | Int_t GetMatchTrigger() const; |
8252d536 | 92 | Double_t GetChi2MatchTrigger() const {return fChi2MatchTrigger;} |
39b8d0dd | 93 | void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;} |
fbc3395d | 94 | UShort_t GetHitsPatternInTrigCh() const {return fHitsPatternInTrigCh;} |
95 | void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) {fHitsPatternInTrigCh = hitsPatternInTrigCh;} | |
423b32ca | 96 | void SetLocalTrigger(Int_t locTrig) { fLocalTrigger = locTrig; } |
01413742 | 97 | Int_t LoCircuit(void) const { return fLocalTrigger & 0xFF; } |
423b32ca | 98 | Int_t LoStripX(void) const { return fLocalTrigger >> 8 & 0x1F; } |
99 | Int_t LoStripY(void) const { return fLocalTrigger >> 13 & 0x0F; } | |
100 | Int_t LoDev(void) const { return fLocalTrigger >> 17 & 0x1F; } | |
101 | Int_t LoLpt(void) const { return fLocalTrigger >> 22 & 0x03; } | |
102 | Int_t LoHpt(void) const { return fLocalTrigger >> 24 & 0x03; } | |
39b8d0dd | 103 | |
9dea53d8 | 104 | // Get and Set methods for the hit strips pattern in the trigger chambers |
105 | UShort_t GetTriggerX1Pattern() { return fX1Pattern; } | |
106 | UShort_t GetTriggerY1Pattern() { return fY1Pattern; } | |
107 | UShort_t GetTriggerX2Pattern() { return fX2Pattern; } | |
108 | UShort_t GetTriggerY2Pattern() { return fY2Pattern; } | |
109 | UShort_t GetTriggerX3Pattern() { return fX3Pattern; } | |
110 | UShort_t GetTriggerY3Pattern() { return fY3Pattern; } | |
111 | UShort_t GetTriggerX4Pattern() { return fX4Pattern; } | |
112 | UShort_t GetTriggerY4Pattern() { return fY4Pattern; } | |
113 | void SetTriggerX1Pattern(UShort_t pat) { fX1Pattern = pat; } | |
114 | void SetTriggerY1Pattern(UShort_t pat) { fY1Pattern = pat; } | |
115 | void SetTriggerX2Pattern(UShort_t pat) { fX2Pattern = pat; } | |
116 | void SetTriggerY2Pattern(UShort_t pat) { fY2Pattern = pat; } | |
117 | void SetTriggerX3Pattern(UShort_t pat) { fX3Pattern = pat; } | |
118 | void SetTriggerY3Pattern(UShort_t pat) { fY3Pattern = pat; } | |
119 | void SetTriggerX4Pattern(UShort_t pat) { fX4Pattern = pat; } | |
120 | void SetTriggerY4Pattern(UShort_t pat) { fY4Pattern = pat; } | |
121 | ||
d5efea33 | 122 | // Get and Set methods for muon cluster map |
60765b06 | 123 | UInt_t GetMuonClusterMap() const {return fMuonClusterMap;} |
124 | void SetMuonClusterMap(UInt_t muonClusterMap) {fMuonClusterMap = muonClusterMap;} | |
125 | void AddInMuonClusterMap(Int_t chamber); | |
126 | Bool_t IsInMuonClusterMap(Int_t chamber) const; | |
127 | ||
d5efea33 | 128 | // Methods to get, fill and check the array of associated clusters |
4c510ac5 | 129 | Int_t GetNClusters() const; |
d5efea33 | 130 | TClonesArray& GetClusters() const; |
131 | void AddCluster(const AliESDMuonCluster &cluster); | |
132 | Bool_t ClustersStored() const; | |
133 | ||
134 | // Methods to compute track momentum | |
39b8d0dd | 135 | Double_t Px() const; |
136 | Double_t Py() const; | |
137 | Double_t Pz() const; | |
138 | Double_t P() const; | |
c683ddc2 | 139 | Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 140 | void LorentzP(TLorentzVector& vP) const; |
d5efea33 | 141 | Double_t PxAtDCA() const; |
142 | Double_t PyAtDCA() const; | |
143 | Double_t PzAtDCA() const; | |
144 | Double_t PAtDCA() const; | |
145 | Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } | |
146 | void LorentzPAtDCA(TLorentzVector& vP) const; | |
39b8d0dd | 147 | Double_t PxUncorrected() const; |
148 | Double_t PyUncorrected() const; | |
149 | Double_t PzUncorrected() const; | |
150 | Double_t PUncorrected() const; | |
d5efea33 | 151 | Bool_t PxPyPzUncorrected(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 152 | void LorentzPUncorrected(TLorentzVector& vP) const; |
153 | ||
ad85871a | 154 | // additional methods to comply with AliVParticle |
c683ddc2 | 155 | Double_t Xv() const {return -999.;} // put reasonable values here |
156 | Double_t Yv() const {return -999.;} // | |
157 | Double_t Zv() const {return -999.;} // | |
158 | Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
ad85871a | 159 | Double_t Pt() const { return TMath::Sqrt(Px()*Px() + Py()*Py()); } |
4c510ac5 | 160 | Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : FLT_MAX; } |
ad85871a | 161 | Double_t Phi() const { return TMath::ATan2(Py(), Px()); } |
162 | Double_t Theta() const { return TMath::ATan2(Pt(), Pz()); } | |
60765b06 | 163 | Double_t E() const { return TMath::Sqrt(M()*M() + P()*P()); } |
164 | Double_t M() const { return TDatabasePDG::Instance()->GetParticle("mu-")->Mass(); } | |
ad85871a | 165 | Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * Theta()));} |
4c510ac5 | 166 | Double_t Y() const { return (Pz()/E() != 1.) ? TMath::ATanH(Pz()/E()) : FLT_MAX; } |
60765b06 | 167 | Short_t Charge() const { return (Short_t)TMath::Sign(1., GetInverseBendingMomentum()); } |
ad85871a | 168 | const Double_t *PID() const { return (Double_t*)0x0; } |
d5efea33 | 169 | |
39b8d0dd | 170 | |
5ec1b3bc | 171 | protected: |
d5efea33 | 172 | // parameters at vertex |
60765b06 | 173 | Double32_t fInverseBendingMomentum; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
174 | Double32_t fThetaX; ///< Angle of track at vertex in X direction (rad) | |
175 | Double32_t fThetaY; ///< Angle of track at vertex in Y direction (rad) | |
176 | Double32_t fZ; ///< Z coordinate (cm) | |
177 | Double32_t fBendingCoor; ///< bending coordinate (cm) | |
178 | Double32_t fNonBendingCoor; ///< non bending coordinate (cm) | |
39b8d0dd | 179 | |
d5efea33 | 180 | // parameters at Distance of Closest Approach in the vertex plane |
181 | Double32_t fInverseBendingMomentumAtDCA; ///< Inverse bending momentum (GeV/c ** -1) times the charge | |
182 | Double32_t fThetaXAtDCA; ///< Angle of track at vertex in X direction (rad) | |
183 | Double32_t fThetaYAtDCA; ///< Angle of track at vertex in Y direction (rad) | |
184 | Double32_t fBendingCoorAtDCA; ///< bending coordinate (cm) | |
185 | Double32_t fNonBendingCoorAtDCA; ///< non bending coordinate (cm) | |
186 | ||
187 | // parameters at first tracking station | |
60765b06 | 188 | Double32_t fInverseBendingMomentumUncorrected; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
189 | Double32_t fThetaXUncorrected; ///< Angle of track at vertex in X direction (rad) | |
190 | Double32_t fThetaYUncorrected; ///< Angle of track at vertex in Y direction (rad) | |
191 | Double32_t fZUncorrected; ///< Z coordinate (cm) | |
192 | Double32_t fBendingCoorUncorrected; ///< bending coordinate (cm) | |
193 | Double32_t fNonBendingCoorUncorrected; ///< non bending coordinate (cm) | |
39b8d0dd | 194 | |
d5efea33 | 195 | /// reduced covariance matrix of UNCORRECTED track parameters, ordered as follow: <pre> |
196 | /// [0] = <X,X> | |
197 | /// [1] =<X,ThetaX> [2] =<ThetaX,ThetaX> | |
198 | /// [3] = <X,Y> [4] = <Y,ThetaX> [5] = <Y,Y> | |
199 | /// [6] =<X,ThetaY> [7] =<ThetaX,ThetaY> [8] =<Y,ThetaY> [9] =<ThetaY,ThetaY> | |
200 | /// [10]=<X,InvP_yz> [11]=<ThetaX,InvP_yz> [12]=<Y,InvP_yz> [13]=<ThetaY,InvP_yz> [14]=<InvP_yz,InvP_yz> </pre> | |
60765b06 | 201 | Double32_t fCovariances[15]; ///< \brief reduced covariance matrix of parameters AT FIRST CHAMBER |
423b32ca | 202 | |
d5efea33 | 203 | // global tracking info |
60765b06 | 204 | Double32_t fChi2; ///< chi2 in the MUON track fit |
60765b06 | 205 | Double32_t fChi2MatchTrigger; ///< chi2 of trigger/track matching |
4f036e6e | 206 | Int_t fLocalTrigger; ///< packed local trigger information |
9dea53d8 | 207 | |
208 | // hit strips pattern in the trigger chambers | |
209 | UShort_t fX1Pattern; ///< x-strips pattern in st6/ch1 | |
210 | UShort_t fY1Pattern; ///< y-strips pattern in st6/ch1 | |
211 | UShort_t fX2Pattern; ///< x-strips pattern in st6/ch2 | |
212 | UShort_t fY2Pattern; ///< y-strips pattern in st6/ch2 | |
213 | UShort_t fX3Pattern; ///< x-strips pattern in st7/ch1 | |
214 | UShort_t fY3Pattern; ///< y-strips pattern in st7/ch1 | |
215 | UShort_t fX4Pattern; ///< x-strips pattern in st7/ch2 | |
216 | UShort_t fY4Pattern; ///< y-strips pattern in st7/ch2 | |
d5efea33 | 217 | |
60765b06 | 218 | UInt_t fMuonClusterMap; ///< Map of clusters in tracking chambers |
4f036e6e | 219 | UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers |
220 | UChar_t fNHit; ///< number of hit in the track | |
d5efea33 | 221 | |
222 | mutable TClonesArray* fClusters; ///< Array of clusters attached to the track | |
223 | ||
9dea53d8 | 224 | ClassDef(AliESDMuonTrack,10) // MUON ESD track class |
672b5f43 | 225 | }; |
226 | ||
227 | #endif |