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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 | ||
12186235 | 34 | void Reset(); |
35 | ||
36 | // Return kTRUE if the track contain tracker data | |
37 | Bool_t ContainTrackerData() const {return (fMuonClusterMap>0) ? kTRUE : kFALSE;} | |
38 | // Return kTRUE if the track contain trigger data | |
39 | Bool_t ContainTriggerData() const {return (LoCircuit()>0) ? kTRUE : kFALSE;} | |
40 | ||
d5efea33 | 41 | // Get and Set methods for data at vertex |
5ec1b3bc | 42 | Double_t GetInverseBendingMomentum(void) const {return fInverseBendingMomentum;} |
39b8d0dd | 43 | void SetInverseBendingMomentum(Double_t InverseBendingMomentum) |
44 | {fInverseBendingMomentum = InverseBendingMomentum;} | |
5ec1b3bc | 45 | Double_t GetThetaX(void) const {return fThetaX;} |
39b8d0dd | 46 | void SetThetaX(Double_t ThetaX) {fThetaX = ThetaX;} |
5ec1b3bc | 47 | Double_t GetThetaY(void) const {return fThetaY;} |
39b8d0dd | 48 | void SetThetaY(Double_t ThetaY) {fThetaY = ThetaY;} |
5ec1b3bc | 49 | Double_t GetZ(void) const {return fZ;} |
39b8d0dd | 50 | void SetZ(Double_t Z) {fZ = Z;} |
5ec1b3bc | 51 | Double_t GetBendingCoor(void) const {return fBendingCoor;} |
39b8d0dd | 52 | void SetBendingCoor(Double_t BendingCoor) {fBendingCoor = BendingCoor;} |
5ec1b3bc | 53 | Double_t GetNonBendingCoor(void) const {return fNonBendingCoor;} |
39b8d0dd | 54 | void SetNonBendingCoor(Double_t NonBendingCoor) {fNonBendingCoor = NonBendingCoor;} |
55 | ||
d5efea33 | 56 | // Get and Set methods for data at Distance of Closest Approach in the vertex plane |
57 | Double_t GetInverseBendingMomentumAtDCA(void) const {return fInverseBendingMomentumAtDCA;} | |
58 | void SetInverseBendingMomentumAtDCA(Double_t InverseBendingMomentum) | |
59 | {fInverseBendingMomentumAtDCA = InverseBendingMomentum;} | |
60 | Double_t GetThetaXAtDCA(void) const {return fThetaXAtDCA;} | |
61 | void SetThetaXAtDCA(Double_t ThetaX) {fThetaXAtDCA = ThetaX;} | |
62 | Double_t GetThetaYAtDCA(void) const {return fThetaYAtDCA;} | |
63 | void SetThetaYAtDCA(Double_t ThetaY) {fThetaYAtDCA = ThetaY;} | |
64 | Double_t GetBendingCoorAtDCA(void) const {return fBendingCoorAtDCA;} | |
65 | void SetBendingCoorAtDCA(Double_t BendingCoor) {fBendingCoorAtDCA = BendingCoor;} | |
66 | Double_t GetNonBendingCoorAtDCA(void) const {return fNonBendingCoorAtDCA;} | |
67 | void SetNonBendingCoorAtDCA(Double_t NonBendingCoor) {fNonBendingCoorAtDCA = NonBendingCoor;} | |
68 | Double_t GetDCA(void) const {return TMath::Sqrt(fNonBendingCoorAtDCA*fNonBendingCoorAtDCA + | |
69 | fBendingCoorAtDCA*fBendingCoorAtDCA);} | |
70 | ||
71 | // Get and Set methods for data at first station | |
39b8d0dd | 72 | Double_t GetInverseBendingMomentumUncorrected(void) const {return fInverseBendingMomentumUncorrected;} |
73 | void SetInverseBendingMomentumUncorrected(Double_t InverseBendingMomentum) | |
74 | {fInverseBendingMomentumUncorrected = InverseBendingMomentum;} | |
75 | Double_t GetThetaXUncorrected(void) const {return fThetaXUncorrected;} | |
76 | void SetThetaXUncorrected(Double_t ThetaX) {fThetaXUncorrected = ThetaX;} | |
77 | Double_t GetThetaYUncorrected(void) const {return fThetaYUncorrected;} | |
78 | void SetThetaYUncorrected(Double_t ThetaY) {fThetaYUncorrected = ThetaY;} | |
79 | Double_t GetZUncorrected(void) const {return fZUncorrected;} | |
80 | void SetZUncorrected(Double_t Z) {fZUncorrected = Z;} | |
81 | Double_t GetBendingCoorUncorrected(void) const {return fBendingCoorUncorrected;} | |
82 | void SetBendingCoorUncorrected(Double_t BendingCoor) {fBendingCoorUncorrected = BendingCoor;} | |
83 | Double_t GetNonBendingCoorUncorrected(void) const {return fNonBendingCoorUncorrected;} | |
84 | void SetNonBendingCoorUncorrected(Double_t NonBendingCoor) {fNonBendingCoorUncorrected = NonBendingCoor;} | |
d5efea33 | 85 | |
86 | // Get and Set methods for covariance matrix of data at first station | |
60765b06 | 87 | void GetCovariances(TMatrixD& cov) const; |
88 | void SetCovariances(const TMatrixD& cov); | |
89 | void GetCovarianceXYZPxPyPz(Double_t cov[21]) const; | |
d5efea33 | 90 | |
91 | // Get and Set methods for global tracking info | |
5ec1b3bc | 92 | Double_t GetChi2(void) const {return fChi2;} |
39b8d0dd | 93 | void SetChi2(Double_t Chi2) {fChi2 = Chi2;} |
4f036e6e | 94 | UChar_t GetNHit(void) const {return fNHit;} |
39b8d0dd | 95 | void SetNHit(UInt_t NHit) {fNHit = NHit;} |
d5efea33 | 96 | |
97 | // Get and Set methods for trigger matching | |
423b32ca | 98 | Int_t GetMatchTrigger() const; |
8252d536 | 99 | Double_t GetChi2MatchTrigger() const {return fChi2MatchTrigger;} |
39b8d0dd | 100 | void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger;} |
fbc3395d | 101 | UShort_t GetHitsPatternInTrigCh() const {return fHitsPatternInTrigCh;} |
102 | void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) {fHitsPatternInTrigCh = hitsPatternInTrigCh;} | |
423b32ca | 103 | void SetLocalTrigger(Int_t locTrig) { fLocalTrigger = locTrig; } |
01413742 | 104 | Int_t LoCircuit(void) const { return fLocalTrigger & 0xFF; } |
423b32ca | 105 | Int_t LoStripX(void) const { return fLocalTrigger >> 8 & 0x1F; } |
106 | Int_t LoStripY(void) const { return fLocalTrigger >> 13 & 0x0F; } | |
107 | Int_t LoDev(void) const { return fLocalTrigger >> 17 & 0x1F; } | |
108 | Int_t LoLpt(void) const { return fLocalTrigger >> 22 & 0x03; } | |
109 | Int_t LoHpt(void) const { return fLocalTrigger >> 24 & 0x03; } | |
39b8d0dd | 110 | |
9dea53d8 | 111 | // Get and Set methods for the hit strips pattern in the trigger chambers |
12186235 | 112 | UShort_t GetTriggerX1Pattern() const { return fX1Pattern; } |
113 | UShort_t GetTriggerY1Pattern() const { return fY1Pattern; } | |
114 | UShort_t GetTriggerX2Pattern() const { return fX2Pattern; } | |
115 | UShort_t GetTriggerY2Pattern() const { return fY2Pattern; } | |
116 | UShort_t GetTriggerX3Pattern() const { return fX3Pattern; } | |
117 | UShort_t GetTriggerY3Pattern() const { return fY3Pattern; } | |
118 | UShort_t GetTriggerX4Pattern() const { return fX4Pattern; } | |
119 | UShort_t GetTriggerY4Pattern() const { return fY4Pattern; } | |
9dea53d8 | 120 | void SetTriggerX1Pattern(UShort_t pat) { fX1Pattern = pat; } |
121 | void SetTriggerY1Pattern(UShort_t pat) { fY1Pattern = pat; } | |
122 | void SetTriggerX2Pattern(UShort_t pat) { fX2Pattern = pat; } | |
123 | void SetTriggerY2Pattern(UShort_t pat) { fY2Pattern = pat; } | |
124 | void SetTriggerX3Pattern(UShort_t pat) { fX3Pattern = pat; } | |
125 | void SetTriggerY3Pattern(UShort_t pat) { fY3Pattern = pat; } | |
126 | void SetTriggerX4Pattern(UShort_t pat) { fX4Pattern = pat; } | |
127 | void SetTriggerY4Pattern(UShort_t pat) { fY4Pattern = pat; } | |
128 | ||
d5efea33 | 129 | // Get and Set methods for muon cluster map |
60765b06 | 130 | UInt_t GetMuonClusterMap() const {return fMuonClusterMap;} |
131 | void SetMuonClusterMap(UInt_t muonClusterMap) {fMuonClusterMap = muonClusterMap;} | |
12186235 | 132 | void AddInMuonClusterMap(Int_t chamber) {fMuonClusterMap |= BIT(chamber);} |
133 | Bool_t IsInMuonClusterMap(Int_t chamber) const {return (Bool_t) ((fMuonClusterMap & BIT(chamber)) != 0);} | |
60765b06 | 134 | |
d5efea33 | 135 | // Methods to get, fill and check the array of associated clusters |
4c510ac5 | 136 | Int_t GetNClusters() const; |
d5efea33 | 137 | TClonesArray& GetClusters() const; |
138 | void AddCluster(const AliESDMuonCluster &cluster); | |
139 | Bool_t ClustersStored() const; | |
140 | ||
141 | // Methods to compute track momentum | |
39b8d0dd | 142 | Double_t Px() const; |
143 | Double_t Py() const; | |
144 | Double_t Pz() const; | |
145 | Double_t P() const; | |
c683ddc2 | 146 | Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 147 | void LorentzP(TLorentzVector& vP) const; |
d5efea33 | 148 | Double_t PxAtDCA() const; |
149 | Double_t PyAtDCA() const; | |
150 | Double_t PzAtDCA() const; | |
151 | Double_t PAtDCA() const; | |
152 | Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } | |
153 | void LorentzPAtDCA(TLorentzVector& vP) const; | |
39b8d0dd | 154 | Double_t PxUncorrected() const; |
155 | Double_t PyUncorrected() const; | |
156 | Double_t PzUncorrected() const; | |
157 | Double_t PUncorrected() const; | |
d5efea33 | 158 | Bool_t PxPyPzUncorrected(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; } |
39b8d0dd | 159 | void LorentzPUncorrected(TLorentzVector& vP) const; |
160 | ||
ad85871a | 161 | // additional methods to comply with AliVParticle |
c683ddc2 | 162 | Double_t Xv() const {return -999.;} // put reasonable values here |
163 | Double_t Yv() const {return -999.;} // | |
164 | Double_t Zv() const {return -999.;} // | |
165 | Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; } | |
ad85871a | 166 | Double_t Pt() const { return TMath::Sqrt(Px()*Px() + Py()*Py()); } |
4c510ac5 | 167 | Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : FLT_MAX; } |
ad85871a | 168 | Double_t Phi() const { return TMath::ATan2(Py(), Px()); } |
169 | Double_t Theta() const { return TMath::ATan2(Pt(), Pz()); } | |
60765b06 | 170 | Double_t E() const { return TMath::Sqrt(M()*M() + P()*P()); } |
171 | Double_t M() const { return TDatabasePDG::Instance()->GetParticle("mu-")->Mass(); } | |
ad85871a | 172 | Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * Theta()));} |
4c510ac5 | 173 | Double_t Y() const { return (Pz()/E() != 1.) ? TMath::ATanH(Pz()/E()) : FLT_MAX; } |
60765b06 | 174 | Short_t Charge() const { return (Short_t)TMath::Sign(1., GetInverseBendingMomentum()); } |
ad85871a | 175 | const Double_t *PID() const { return (Double_t*)0x0; } |
3c43fb2b | 176 | Int_t GetLabel() const {return -1;} // Dummy |
39b8d0dd | 177 | |
5ec1b3bc | 178 | protected: |
d5efea33 | 179 | // parameters at vertex |
60765b06 | 180 | Double32_t fInverseBendingMomentum; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
181 | Double32_t fThetaX; ///< Angle of track at vertex in X direction (rad) | |
182 | Double32_t fThetaY; ///< Angle of track at vertex in Y direction (rad) | |
183 | Double32_t fZ; ///< Z coordinate (cm) | |
184 | Double32_t fBendingCoor; ///< bending coordinate (cm) | |
185 | Double32_t fNonBendingCoor; ///< non bending coordinate (cm) | |
39b8d0dd | 186 | |
d5efea33 | 187 | // parameters at Distance of Closest Approach in the vertex plane |
188 | Double32_t fInverseBendingMomentumAtDCA; ///< Inverse bending momentum (GeV/c ** -1) times the charge | |
189 | Double32_t fThetaXAtDCA; ///< Angle of track at vertex in X direction (rad) | |
190 | Double32_t fThetaYAtDCA; ///< Angle of track at vertex in Y direction (rad) | |
191 | Double32_t fBendingCoorAtDCA; ///< bending coordinate (cm) | |
192 | Double32_t fNonBendingCoorAtDCA; ///< non bending coordinate (cm) | |
193 | ||
194 | // parameters at first tracking station | |
60765b06 | 195 | Double32_t fInverseBendingMomentumUncorrected; ///< Inverse bending momentum (GeV/c ** -1) times the charge |
196 | Double32_t fThetaXUncorrected; ///< Angle of track at vertex in X direction (rad) | |
197 | Double32_t fThetaYUncorrected; ///< Angle of track at vertex in Y direction (rad) | |
198 | Double32_t fZUncorrected; ///< Z coordinate (cm) | |
199 | Double32_t fBendingCoorUncorrected; ///< bending coordinate (cm) | |
200 | Double32_t fNonBendingCoorUncorrected; ///< non bending coordinate (cm) | |
39b8d0dd | 201 | |
d5efea33 | 202 | /// reduced covariance matrix of UNCORRECTED track parameters, ordered as follow: <pre> |
203 | /// [0] = <X,X> | |
204 | /// [1] =<X,ThetaX> [2] =<ThetaX,ThetaX> | |
205 | /// [3] = <X,Y> [4] = <Y,ThetaX> [5] = <Y,Y> | |
206 | /// [6] =<X,ThetaY> [7] =<ThetaX,ThetaY> [8] =<Y,ThetaY> [9] =<ThetaY,ThetaY> | |
207 | /// [10]=<X,InvP_yz> [11]=<ThetaX,InvP_yz> [12]=<Y,InvP_yz> [13]=<ThetaY,InvP_yz> [14]=<InvP_yz,InvP_yz> </pre> | |
60765b06 | 208 | Double32_t fCovariances[15]; ///< \brief reduced covariance matrix of parameters AT FIRST CHAMBER |
423b32ca | 209 | |
d5efea33 | 210 | // global tracking info |
60765b06 | 211 | Double32_t fChi2; ///< chi2 in the MUON track fit |
60765b06 | 212 | Double32_t fChi2MatchTrigger; ///< chi2 of trigger/track matching |
4f036e6e | 213 | Int_t fLocalTrigger; ///< packed local trigger information |
9dea53d8 | 214 | |
215 | // hit strips pattern in the trigger chambers | |
216 | UShort_t fX1Pattern; ///< x-strips pattern in st6/ch1 | |
217 | UShort_t fY1Pattern; ///< y-strips pattern in st6/ch1 | |
218 | UShort_t fX2Pattern; ///< x-strips pattern in st6/ch2 | |
219 | UShort_t fY2Pattern; ///< y-strips pattern in st6/ch2 | |
220 | UShort_t fX3Pattern; ///< x-strips pattern in st7/ch1 | |
221 | UShort_t fY3Pattern; ///< y-strips pattern in st7/ch1 | |
222 | UShort_t fX4Pattern; ///< x-strips pattern in st7/ch2 | |
223 | UShort_t fY4Pattern; ///< y-strips pattern in st7/ch2 | |
d5efea33 | 224 | |
12186235 | 225 | UInt_t fMuonClusterMap; ///< Map of clusters in tracking chambers |
226 | UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers | |
227 | UChar_t fNHit; ///< number of hit in the track | |
d5efea33 | 228 | |
229 | mutable TClonesArray* fClusters; ///< Array of clusters attached to the track | |
230 | ||
9dea53d8 | 231 | ClassDef(AliESDMuonTrack,10) // MUON ESD track class |
672b5f43 | 232 | }; |
233 | ||
234 | #endif |