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61690c9e | 1 | #ifndef AliAODv0_H |
2 | #define AliAODv0_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //------------------------------------------------------------------------- | |
7 | // Analysis Oriented Data (AOD) V0 vertex class | |
8 | // Authors: B.Hippolyte, IPHC, hippolyt@in2p3.fr | |
9 | // G.Van Buren, BNL, gene@bnl.gov (original STAR MuDsts) | |
10 | //------------------------------------------------------------------------- | |
11 | ||
12 | #include "AliAODRecoDecay.h" | |
13 | ||
14 | //class AliESDEvent; | |
15 | //class AliESDv0; | |
16 | ||
17 | class AliAODv0 : public AliAODRecoDecay { | |
18 | ||
19 | public: | |
20 | ||
21 | AliAODv0(); | |
22 | // AliAODv0(AliESDv0 *rV0Vertex, AliESDEvent *rEvent); | |
23 | AliAODv0(AliAODVertex *rAODVertex, Double_t rDcaV0Daughters, Double_t rDcaV0ToPrimVertex, | |
24 | Double_t *rMomPos, Double_t *rMomNeg, Double_t *rDcaDaughterToPrimVertex); | |
25 | virtual ~AliAODv0(); | |
26 | ||
27 | AliAODv0(const AliAODv0& rAliAODv0); | |
28 | AliAODv0& operator=(const AliAODv0& rAliAODv0); | |
29 | ||
30 | // void Fill(AliESDv0 *rV0Vertex, AliESDEvent *rEvent); | |
31 | void Fill(AliAODVertex *rAODVertex, Double_t rDcaV0Daughters, Double_t rDcaV0ToPrimVertex, | |
32 | Double_t *rMomPos, Double_t *rMomNeg, Double_t *rDcaDaughterToPrimVertex); | |
33 | void ResetV0(); | |
34 | void Print(Option_t* option = "") const; | |
35 | ||
36 | Double_t DecayVertexV0X() const; | |
37 | Double_t DecayVertexV0Y() const; | |
38 | Double_t DecayVertexV0Z() const; | |
39 | ||
40 | Double_t DecayLengthV0(double*) const; | |
41 | ||
42 | Double_t DcaV0Daughters() const; | |
43 | Double_t DcaV0ToPrimVertex() const; | |
44 | Double_t DcaPosToPrimVertex() const; | |
45 | Double_t DcaNegToPrimVertex() const; | |
46 | Double_t RadiusV0() const; | |
47 | Double_t OpenAngleV0() const; | |
48 | ||
49 | Double_t MomPosX() const; | |
50 | Double_t MomPosY() const; | |
51 | Double_t MomPosZ() const; | |
52 | Double_t MomNegX() const; | |
53 | Double_t MomNegY() const; | |
54 | Double_t MomNegZ() const; | |
55 | ||
56 | // Int_t KeyPos() const; | |
57 | // Int_t KeyNeg() const; | |
58 | ||
59 | Double_t Chi2V0() const; | |
60 | ||
61 | Double_t MomV0X() const; | |
62 | Double_t MomV0Y() const; | |
63 | Double_t MomV0Z() const; | |
64 | ||
65 | Double_t Ptot2Pos() const; | |
66 | Double_t Ptot2Neg() const; | |
67 | Double_t Ptot2V0() const; | |
68 | Double_t Pt2V0() const; | |
69 | Double_t MomPosAlongV0() const; | |
70 | Double_t MomNegAlongV0() const; | |
71 | Double_t AlphaV0() const; | |
72 | Double_t PtArmV0() const; | |
73 | Double_t EPosProton() const; | |
74 | Double_t ENegProton() const; | |
75 | Double_t EPosPion() const; | |
76 | Double_t ENegPion() const; | |
77 | Double_t ELambda() const; | |
78 | Double_t EK0Short() const; | |
79 | Double_t MassLambda() const; | |
80 | Double_t MassAntiLambda() const; | |
81 | Double_t MassK0Short() const; | |
82 | Double_t RapK0Short() const; | |
83 | Double_t RapLambda() const; | |
84 | Double_t PseudoRapV0() const; | |
85 | Double_t PseudoRapPos() const; | |
86 | Double_t PseudoRapNeg() const; | |
87 | ||
88 | ||
89 | protected: | |
90 | Double32_t fDcaV0ToPrimVertex; // dca of V0 to primary vertex | |
91 | ClassDef(AliAODv0,1) | |
92 | }; | |
93 | ||
94 | inline Double_t AliAODv0::DecayVertexV0X() const {return this->GetSecVtxX();} | |
95 | inline Double_t AliAODv0::DecayVertexV0Y() const {return this->GetSecVtxY();} | |
96 | inline Double_t AliAODv0::DecayVertexV0Z() const {return this->GetSecVtxZ();} | |
97 | ||
98 | inline Double_t AliAODv0::DecayLengthV0(double *tParentVertexPosition) const { | |
99 | return ::sqrt(::pow(DecayVertexV0X() - tParentVertexPosition[0],2) + | |
100 | ::pow(DecayVertexV0Y() - tParentVertexPosition[1],2) + | |
101 | ::pow(DecayVertexV0Z() - tParentVertexPosition[2],2)); | |
102 | } | |
103 | ||
104 | inline Double_t AliAODv0::DcaV0Daughters() const {return fDCA[0];} | |
105 | inline Double_t AliAODv0::DcaV0ToPrimVertex() const {return fDcaV0ToPrimVertex;} | |
106 | inline Double_t AliAODv0::DcaPosToPrimVertex() const {return fd0[0];} | |
107 | inline Double_t AliAODv0::DcaNegToPrimVertex() const {return fd0[1];} | |
108 | ||
109 | inline Double_t AliAODv0::RadiusV0() const { | |
110 | return RadiusSecVtx(); | |
111 | } | |
112 | ||
113 | inline Double_t AliAODv0::OpenAngleV0() const { | |
114 | Double_t lPtot1xPtot2 = PxProng(0)*PxProng(1)+PyProng(0)*PyProng(1)+PzProng(0)*PzProng(1); | |
115 | Double_t lPtot1Ptot2_2 = Ptot2Pos()*Ptot2Neg(); | |
116 | return ::acos(lPtot1xPtot2/::sqrt(lPtot1Ptot2_2) ); | |
117 | } | |
118 | ||
119 | inline Double_t AliAODv0::MomPosX() const {return fPx[0];} | |
120 | inline Double_t AliAODv0::MomPosY() const {return fPy[0];} | |
121 | inline Double_t AliAODv0::MomPosZ() const {return fPz[0];} | |
122 | inline Double_t AliAODv0::MomNegX() const {return fPx[1];} | |
123 | inline Double_t AliAODv0::MomNegY() const {return fPy[1];} | |
124 | inline Double_t AliAODv0::MomNegZ() const {return fPz[1];} | |
125 | ||
126 | // inline Int_t AliAODv0::KeyPos() const {return fKeyPos;} | |
127 | // inline Int_t AliAODv0::KeyNeg() const {return fKeyNeg;} | |
128 | ||
129 | inline Double_t AliAODv0::Chi2V0() const {return fSecondaryVtx->GetChi2perNDF();} | |
130 | ||
131 | // Compare eventually AliAODv0::MomV0X() and AliAODRecoDecay::Px() | |
132 | inline Double_t AliAODv0::MomV0X() const {return MomPosX()+MomNegX();} | |
133 | inline Double_t AliAODv0::MomV0Y() const {return MomPosY()+MomNegY();} | |
134 | inline Double_t AliAODv0::MomV0Z() const {return MomPosZ()+MomNegZ();} | |
135 | ||
136 | inline Double_t AliAODv0::Ptot2Pos() const { | |
137 | return (::pow(MomPosX(),2) + ::pow(MomPosY(),2) + ::pow(MomPosZ(),2) ); | |
138 | } | |
139 | inline Double_t AliAODv0::Ptot2Neg() const { | |
140 | return (::pow(MomNegX(),2) + ::pow(MomNegY(),2) + ::pow(MomNegZ(),2) ); | |
141 | } | |
142 | inline Double_t AliAODv0::Ptot2V0() const {return ( Pt2V0() + ::pow(MomV0Z(),2) );} | |
143 | inline Double_t AliAODv0::Pt2V0() const { | |
144 | return (::pow(MomV0X(),2) + ::pow(MomV0Y(),2) ); | |
145 | } | |
146 | ||
147 | inline Double_t AliAODv0::MomPosAlongV0() const { | |
148 | Double_t lPtot2V0 = Ptot2V0(); | |
149 | if (lPtot2V0) | |
150 | return (MomPosX()*MomV0X() + | |
151 | MomPosY()*MomV0Y() + | |
152 | MomPosZ()*MomV0Z()) / ::sqrt(lPtot2V0); | |
153 | return 0.; | |
154 | } | |
155 | ||
156 | inline Double_t AliAODv0::MomNegAlongV0() const { | |
157 | Double_t lPtot2V0 = Ptot2V0(); | |
158 | if (lPtot2V0) | |
159 | return (MomNegX()*MomV0X() + | |
160 | MomNegY()*MomV0Y() + | |
161 | MomNegZ()*MomV0Z()) / ::sqrt(lPtot2V0); | |
162 | return 0.; | |
163 | } | |
164 | ||
165 | inline Double_t AliAODv0::AlphaV0() const { | |
166 | return Alpha(); | |
167 | } | |
168 | inline Double_t AliAODv0::PtArmV0() const { | |
169 | return QtProng(0); | |
170 | } | |
171 | ||
172 | inline Double_t AliAODv0::EPosProton() const { | |
173 | return EProng(0,2212); | |
174 | } | |
175 | ||
176 | inline Double_t AliAODv0::ENegProton() const { | |
177 | return EProng(1,2212); | |
178 | } | |
179 | ||
180 | inline Double_t AliAODv0::EPosPion() const { | |
181 | return EProng(0,211); | |
182 | } | |
183 | ||
184 | inline Double_t AliAODv0::ENegPion() const { | |
185 | return EProng(1,211); | |
186 | } | |
187 | ||
188 | inline Double_t AliAODv0::ELambda() const { | |
189 | return E(3122); | |
190 | } | |
191 | ||
192 | inline Double_t AliAODv0::EK0Short() const { | |
193 | return E(310); | |
194 | } | |
195 | ||
196 | inline Double_t AliAODv0::MassLambda() const { | |
197 | return InvMass2Prongs(0,1,2212,211); | |
198 | } | |
199 | ||
200 | inline Double_t AliAODv0::MassAntiLambda() const { | |
201 | return InvMass2Prongs(0,1,211,2212); | |
202 | } | |
203 | ||
204 | inline Double_t AliAODv0::MassK0Short() const { | |
205 | return InvMass2Prongs(0,1,211,211); | |
206 | } | |
207 | ||
208 | inline Double_t AliAODv0::RapK0Short() const { | |
209 | return Y(310); | |
210 | } | |
211 | ||
212 | inline Double_t AliAODv0::RapLambda() const { | |
213 | return Y(3122); | |
214 | } | |
215 | ||
216 | inline Double_t AliAODv0::PseudoRapV0() const { | |
217 | return Eta(); | |
218 | } | |
219 | ||
220 | inline Double_t AliAODv0::PseudoRapPos() const { | |
221 | return EtaProng(0); | |
222 | } | |
223 | ||
224 | inline Double_t AliAODv0::PseudoRapNeg() const { | |
225 | return EtaProng(1); | |
226 | } | |
227 | //---------------------------------------------------------------------------- | |
228 | ||
229 | #endif |