// and Boris Hippolyte,IPHC, hippolyt@in2p3.fr
//-------------------------------------------------------------------------
-#include <TObject.h>
#include <TPDGCode.h>
-#include "AliESDV0Params.h"
+
#include "AliExternalTrackParam.h"
+#include "AliVParticle.h"
+
+class AliESDV0Params;
-class AliESDv0 : public TObject {
+class AliESDv0 : public AliVParticle {
public:
AliESDv0();
AliESDv0(const AliExternalTrackParam &t1, Int_t i1,
const AliExternalTrackParam &t2, Int_t i2);
- AliESDv0(const AliESDv0&);
+ AliESDv0(const AliESDv0& v0);
virtual ~AliESDv0();
-
+ AliESDv0& operator=(const AliESDv0& v0);
+ virtual void Copy(TObject &obj) const;
+
+// Start with AliVParticle functions
+ virtual Double_t Px() const { return fNmom[0]+fPmom[0]; }
+ virtual Double_t Py() const { return fNmom[1]+fPmom[1]; }
+ virtual Double_t Pz() const { return fNmom[2]+fPmom[2]; }
+ virtual Double_t Pt() const { return TMath::Sqrt(Px()*Px()+Py()*Py()); }
+ virtual Double_t P() const {
+ return TMath::Sqrt(Px()*Px()+Py()*Py()+Pz()*Pz());
+ }
+ virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
+ virtual Double_t Xv() const { return fPos[0]; }
+ virtual Double_t Yv() const { return fPos[1]; }
+ virtual Double_t Zv() const { return fPos[2]; }
+ virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }
+ virtual Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : -999.; }
+ virtual Double_t Phi() const {return TMath::Pi()+TMath::ATan2(-Py(),-Px()); }
+ virtual Double_t Theta() const {return 0.5*TMath::Pi()-TMath::ATan(Pz()/(Pt()+1.e-13)); }
+ virtual Double_t E() const; // default is KOs but can be changed via ChangeMassHypothesis (defined in the .cxx)
+ virtual Double_t M() const { return GetEffMass(); }
+ virtual Double_t Eta() const { return 0.5*TMath::Log((P()+Pz())/(P()-Pz()+1.e-13)); }
+ virtual Double_t Y() const;
+ virtual Short_t Charge() const { return 0; }
+ virtual Int_t GetLabel() const { return -1; } // temporary
+ virtual const Double_t *PID() const { return 0; } // return PID object ? (to be discussed!)
+
+ // Then extend the AliVParticle functions
+ Double_t E(Int_t pdg) const;
+ Double_t Y(Int_t pdg) const;
+
+ // Now the functions for analysis consistency
+ Double_t RapK0Short() const;
+ Double_t RapLambda() const;
+ Double_t AlphaV0() const;
+ Double_t PtArmV0() const;
+
+ // Eventually the older functions
Double_t ChangeMassHypothesis(Int_t code=kK0Short);
Int_t GetPdgCode() const {return fPdgCode;}
- Float_t GetEffMass(UInt_t p1, UInt_t p2);
- Float_t GetEffMass() const {return fEffMass;}
- Float_t GetChi2V0() const {return fChi2V0;}
+ Double_t GetEffMass(UInt_t p1, UInt_t p2) const;
+ Double_t GetEffMass() const {return fEffMass;}
+ Double_t GetChi2V0() const {return fChi2V0;}
void GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const;
void GetNPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const;
void GetPPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const;
void GetXYZ(Double_t &x, Double_t &y, Double_t &z) const;
- Float_t GetD(Double_t x0=0.,Double_t y0=0.,Double_t z0=0.) const;
+ Float_t GetD(Double_t x0,Double_t y0,Double_t z0) const;
Int_t GetNindex() const {return fNidx;}
Int_t GetPindex() const {return fPidx;}
void SetDcaV0Daughters(Double_t rDcaV0Daughters=0.);
- Float_t GetDcaV0Daughters() {return fDcaV0Daughters;}
- Float_t GetV0CosineOfPointingAngle(Double_t&, Double_t&, Double_t&) const;
- Float_t GetV0CosineOfPointingAngle() const {return fPointAngle;}
+ Double_t GetDcaV0Daughters() const {return fDcaV0Daughters;}
+ Float_t GetV0CosineOfPointingAngle(Double_t refPointX, Double_t refPointY, Double_t refPointZ) const;
+ Double_t GetV0CosineOfPointingAngle() const {return fPointAngle;}
void SetV0CosineOfPointingAngle(Double_t cpa) {fPointAngle=cpa;}
void SetOnFlyStatus(Bool_t status){fOnFlyStatus=status;}
Bool_t GetOnFlyStatus() const {return fOnFlyStatus;}
Double_t GetMinimaxSigmaD0(); // calculate mini-max sigma of dca resolution
Double_t GetLikelihoodAP(Int_t mode0, Int_t mode1); // get likelihood for point angle
Double_t GetLikelihoodD(Int_t mode0, Int_t mode1); // get likelihood for DCA
- Double_t GetLikelihoodC(Int_t mode0, Int_t mode1); // get likelihood for Causality
+ Double_t GetLikelihoodC(Int_t mode0, Int_t mode1) const; // get likelihood for Causality
//
//
static const AliESDV0Params & GetParameterization(){return fgkParams;}
void SetStatus(Int_t status){fStatus=status;}
Int_t GetStatus() const {return fStatus;}
Int_t GetIndex(Int_t i) const {return (i==0) ? fNidx : fPidx;}
- void SetIndex(Int_t i, Int_t ind) {(i==0) ? (fNidx=ind) : (fPidx=ind);}
- Double_t *GetAnglep() {return fAngle;}
+ void SetIndex(Int_t i, Int_t ind);
+ const Double_t *GetAnglep() const {return fAngle;}
Double_t GetRr() const {return fRr;}
Double_t GetDistSigma() const {return fDistSigma;}
void SetDistSigma(Double_t ds) {fDistSigma=ds;}
Float_t GetChi2After() const {return fChi2After;}
void SetChi2After(Float_t ca) {fChi2After=ca;}
Float_t GetNAfter() const {return fNAfter;}
- void SetNAfter(Float_t na) {fNAfter=na;}
- Float_t GetNBefore() const {return fNBefore;}
- void SetNBefore(Float_t nb) {fNBefore=nb;}
+ void SetNAfter(Short_t na) {fNAfter=na;}
+ Short_t GetNBefore() const {return fNBefore;}
+ void SetNBefore(Short_t nb) {fNBefore=nb;}
void SetCausality(Float_t pb0, Float_t pb1, Float_t pa0, Float_t pa1);
- const Float_t * GetCausalityP() const {return fCausality;}
- void SetClusters(Int_t *clp, Int_t *clm);
+ const Double_t * GetCausalityP() const {return fCausality;}
+ void SetClusters(const Int_t *clp, const Int_t *clm);
const Int_t * GetClusters(Int_t i) const {return fClusters[i];}
void SetNormDCAPrim(Float_t nd0, Float_t nd1){fNormDCAPrim[0] = nd0; fNormDCAPrim[1]=nd1;}
- const Float_t *GetNormDCAPrimP() const {return fNormDCAPrim;}
+ const Double_t *GetNormDCAPrimP() const {return fNormDCAPrim;}
protected:
- Bool_t fOnFlyStatus; // if kTRUE, then this V0 is recontructed
- // "on fly" during the tracking
+ AliExternalTrackParam fParamN; // external parameters of negative particle
+ AliExternalTrackParam fParamP; // external parameters of positive particle
+
+ // CKBrev: tkink about revision
+
+ Double32_t fEffMass; // reconstructed V0's effective mass
+ Double32_t fDcaV0Daughters; // dca between V0's daughters
+ Double32_t fChi2V0; // V0's chi2 value
+ Double32_t fPos[3]; // V0's position (global)
+ Double32_t fPosCov[6]; // covariance matrix of the vertex position
+ Double32_t fNmom[3]; // momentum of the negative daughter (global)
+ Double32_t fPmom[3]; // momentum of the positive daughter (global)
+ Double32_t fNormDCAPrim[2]; // normalize distance to the primary vertex CKBrev
+ Double32_t fRr; //rec position of the vertex CKBrev
+ Double32_t fDistSigma; //sigma of distance CKBrev
+ Double32_t fChi2Before; //chi2 of the tracks before V0 CKBrev
+ Double32_t fChi2After; // chi2 of the tracks after V0 CKBrev
- Int_t fPdgCode; // reconstructed V0's type (PDG code)
- Float_t fEffMass; // reconstructed V0's effective mass
- Float_t fDcaV0Daughters; // dca between V0's daughters
- Float_t fPointAngle; //cosine of the pointing angle
- Float_t fChi2V0; // V0's chi2 value
- Double32_t fPos[3]; // V0's position (global)
- Double32_t fPosCov[6]; // covariance matrix of the vertex position
+ Double32_t fCausality[4]; //[0,1,8] causality information - see comments in SetCausality CKBrev
+ Double32_t fAngle[3]; //[-2*pi,2*pi,16]three angles CKBrev
+ Double32_t fPointAngleFi; //[-1,1,16]point angle fi CKBrev
+ Double32_t fPointAngleTh; //[-1,1,16]point angle theta CKBrev
+ Double32_t fPointAngle; //[-1,1,16] cosine of the pointing angle
+
+ Int_t fPdgCode; // reconstructed V0's type (PDG code)
+ Int_t fClusters[2][6]; //! its clusters CKBrev
Int_t fNidx; // index of the negative daughter
- Double32_t fNmom[3]; // momentum of the negative daughter (global)
- AliExternalTrackParam fParamN; // external parameters of negative particle
Int_t fPidx; // index of the positive daughter
- Double32_t fPmom[3]; // momentum of the positive daughter (global)
- AliExternalTrackParam fParamP; // external parameters of positive particle
- // **** The following data members need to be revised ***
- Int_t fClusters[2][6]; //! its clusters
- //
- Float_t fNormDCAPrim[2]; // normalize distance to the priary vertex
- //
- Double32_t fAngle[3]; //three angles
- Float_t fRr; //rec position of the vertex
- Int_t fStatus; //status
- Float_t fDistSigma; //sigma of distance
- Float_t fCausality[4]; // causality information - see comments in SetCausality
- Float_t fChi2Before; //chi2 of the tracks before V0
- Float_t fNBefore; // number of possible points before V0
- Float_t fChi2After; // chi2 of the tracks after V0
- Float_t fNAfter; // number of possible points after V0
- Float_t fPointAngleFi; //point angle fi
- Float_t fPointAngleTh; //point angle theta
+ Short_t fStatus; //status CKBrev
+ Short_t fNBefore; // number of possible points before V0 CKBrev
+ Short_t fNAfter; // number of possible points after V0 CKBrev
+
+ Bool_t fOnFlyStatus; // if kTRUE, then this V0 is recontructed
+ // "on fly" during the tracking
+
//
// parameterization coefficients
- static AliESDV0Params fgkParams; // resolution and likelihood parameterization
+ static const AliESDV0Params fgkParams; //! resolution and likelihood parameterization
private:
- AliESDv0& operator=(const AliESDv0&);
- ClassDef(AliESDv0,3) // ESD V0 vertex
+ ClassDef(AliESDv0,5) // ESD V0 vertex
};
inline
fDcaV0Daughters=rDcaV0Daughters;
}
+inline
+void AliESDv0::SetIndex(Int_t i, Int_t ind) {
+ if(i==0)
+ fNidx=ind;
+ else
+ fPidx=ind;
+}
+
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff