//-------------------------------------------------------------------------
// ESD V0 Vertex Class
// This class is part of the Event Summary Data set of classes
-// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
+// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
+// Modified by: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
+// and Boris Hippolyte,IPHC, hippolyt@in2p3.fr
//-------------------------------------------------------------------------
#include <TObject.h>
#include <TPDGCode.h>
-
-class AliESDtrack;
+#include "AliESDV0Params.h"
+#include "AliExternalTrackParam.h"
class AliESDv0 : public TObject {
public:
AliESDv0();
+ AliESDv0(const AliExternalTrackParam &t1, Int_t i1,
+ const AliExternalTrackParam &t2, Int_t i2);
+
+ AliESDv0(const AliESDv0&);
+ virtual ~AliESDv0();
Double_t ChangeMassHypothesis(Int_t code=kK0Short);
- Int_t GetPdgCode() const {return fPdgCode;}
- Double_t GetEffMass() const {return fEffMass;}
- Double_t GetChi2() const {return fChi2;}
- 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;
- Double_t GetD(Double_t x0=0.,Double_t y0=0.,Double_t z0=0.) const;
- Int_t GetNindex() const {return fNidx;}
- Int_t GetPindex() const {return fPidx;}
- void SetESDindexes(Int_t ip, Int_t im){fNidx=ip;fPidx=im;}
- void SetDcaDaughters(Double_t rDcaDaughters=0.);
- Double_t GetDcaDaughters() {return fDcaDaughters;}
-protected:
- Int_t fPdgCode; // reconstructed V0's type (PDG code)
- Double_t fEffMass; // reconstructed V0's effective mass
- Double_t fDcaDaughters; // dca between V0's daughters
- Double_t fChi2; // V0's chi2 value
- Double_t fPos[3]; // V0's position (global)
- Double_t fPosCov[6]; // covariance matrix of the vertex position
-
- Int_t fNidx; // index of the negative daughter
- Double_t fNmom[3]; // momentum of the negative daughter (global)
- Double_t fNmomCov[6]; // covariance matrix of the negative daughter mom.
-
- Int_t fPidx; // index of the positive daughter
- Double_t fPmom[3]; // momentum of the positive daughter (global)
- Double_t fPmomCov[6]; // covariance matrix of the positive daughter mom.
-
- ClassDef(AliESDv0,1) // ESD V0 vertex
+ Int_t GetPdgCode() const {return fPdgCode;}
+ Float_t GetEffMass(UInt_t p1, UInt_t p2);
+ 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;
+ Int_t GetNindex() const {return fNidx;}
+ Int_t GetPindex() const {return fPidx;}
+ void SetDcaV0Daughters(Double_t rDcaV0Daughters=0.);
+ Double_t GetDcaV0Daughters() {return fDcaV0Daughters;}
+ Float_t GetV0CosineOfPointingAngle(Double_t&, Double_t&, Double_t&) 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;}
+ const AliExternalTrackParam *GetParamP() const {return &fParamP;}
+ const AliExternalTrackParam *GetParamN() const {return &fParamN;}
+
+
+
+ // **** The following member functions need to be revised ***
+
+ void GetPosCov(Double_t cov[6])const ; // getter for the covariance matrix of the V0 position
+ Double_t GetSigmaY(); // sigma of y coordinate at vertex posistion
+ Double_t GetSigmaZ(); // sigma of z coordinate at vertex posistion
+ Double_t GetSigmaAP0(); // calculate sigma of Point angle resolution at vertex pos.
+ Double_t GetSigmaD0(); // calculate sigma of position resolution at vertex pos.
+ Double_t GetEffectiveSigmaAP0(); // calculate sigma of point angle resolution at vertex pos. effecive parameterization
+ Double_t GetEffectiveSigmaD0(); // calculate sigma of position resolution at vertex pos.
+ Double_t GetMinimaxSigmaAP0(); // calculate mini-max sigma of point angle resolution
+ 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
+ //
+ //
+ static const AliESDV0Params & GetParameterization(){return fgkParams;}
+ void SetParamP(const AliExternalTrackParam & paramP) {fParamP = paramP;}
+ void SetParamN(const AliExternalTrackParam & paramN) {fParamN = paramN;}
+ 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;}
+ Double_t GetRr() const {return fRr;}
+ Double_t GetDistSigma() const {return fDistSigma;}
+ void SetDistSigma(Double_t ds) {fDistSigma=ds;}
+ Float_t GetChi2Before() const {return fChi2Before;}
+ void SetChi2Before(Float_t cb) {fChi2Before=cb;}
+ Float_t GetChi2After() const {return fChi2After;}
+ void SetChi2After(Float_t ca) {fChi2After=ca;}
+ Float_t GetNAfter() const {return fNAfter;}
+ 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 Double_t * GetCausalityP() const {return fCausality;}
+ void SetClusters(Int_t *clp, 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 Double_t *GetNormDCAPrimP() const {return fNormDCAPrim;}
+
+protected:
+ 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 priary 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
+
+
+ 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
+ Int_t fPidx; // index of the positive daughter
+
+
+
+ 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 const AliESDV0Params fgkParams; //! resolution and likelihood parameterization
+
+private:
+ AliESDv0& operator=(const AliESDv0&);
+
+ ClassDef(AliESDv0,4) // ESD V0 vertex
};
inline
}
inline
-void AliESDv0::SetDcaDaughters(Double_t rDcaDaughters){
- fDcaDaughters=rDcaDaughters;
+void AliESDv0::SetDcaV0Daughters(Double_t rDcaV0Daughters){
+ fDcaV0Daughters=rDcaV0Daughters;
}
#endif
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff