//-------------------------------------------------------------------------
// 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 AliExternalTrackParam;
+#include "AliESDV0Params.h"
+#include "AliExternalTrackParam.h"
class AliESDv0 : public TObject {
public:
AliESDv0(const AliESDv0&);
virtual ~AliESDv0();
- AliESDv0& operator=(const AliESDv0&);
Double_t ChangeMassHypothesis(Int_t code=kK0Short);
void SetDcaV0Daughters(Double_t rDcaV0Daughters=0.);
Double_t GetDcaV0Daughters() {return fDcaV0Daughters;}
Double_t GetV0CosineOfPointingAngle(Double_t&, Double_t&, Double_t&) const;
+ void SetOnFlyStatus(Bool_t status){fOnFlyStatus=status;}
+ Bool_t GetOnFlyStatus() const {return fOnFlyStatus;}
+
+ // **** The following member functions need to be revised ***
+
+ 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
+ //
+ //
+ const AliExternalTrackParam *GetParamP() const {return &fParamP;}
+ const AliExternalTrackParam *GetParamM() const {return &fParamN;}
+ static const AliESDV0Params & GetParameterization(){return fgkParams;}
+ void SetP(const AliExternalTrackParam & paramp);
+ void SetM(const AliExternalTrackParam & paramd);
+ void SetRp(const Double_t *rp);
+ void SetRm(const Double_t *rm);
+ void UpdatePID(Double_t pidp[5], Double_t pidm[5]);
+ void SetStatus(Int_t status){fStatus=status;}
+ Int_t GetStatus() const {return fStatus;}
+ Float_t GetEffMass(UInt_t p1, UInt_t p2);
+ Float_t GetProb(UInt_t p1, UInt_t p2);
+ void SetID(Int_t id){fID =id;}
+ Int_t GetID() const { return fID;}
+ Int_t GetIndex(Int_t i) const {return fIndex[i];}
+ void SetIndex(Int_t i, Int_t ind) {fIndex[i]=ind;}
+ void SetDist1(Double_t d1) {fDist1=d1;}
+ void SetDist2(Double_t d2) {fDist2=d2;}
+ Double_t GetDist1() const {return fDist1;}
+ Double_t GetDist2() const {return fDist2;}
+ Double_t *GetAnglep() {return fAngle;}
+ Double_t GetRr() const {return fRr;}
+ void SetRr(Double_t rr) {fRr=rr;}
+ Double_t *GetPMp() {return fPM;}
+ Double_t *GetPPp() {return fPP;}
+ Double_t *GetXrp() {return fXr;}
+ Double_t GetXr(Int_t i) const {return fXr[i];}
+ Double_t GetDistSigma() const {return fDistSigma;}
+ void SetDistSigma(Double_t ds) {fDistSigma=ds;}
+ Double_t GetDistNorm() const {return fDistNorm;}
+ void SetDistNorm(Double_t ds) {fDistNorm=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 GetPointAngle() const {return fPointAngle;}
+ void SetOrder(Int_t i, Int_t ord) {fOrder[i]=ord;}
+ 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;}
+ Int_t GetLab(Int_t i) const {return fLab[i];}
+ void SetLab(Int_t i, Int_t lab) {fLab[i]=lab;}
+ 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 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;}
+
+protected:
+ Bool_t fOnFlyStatus; // if kTRUE, then this V0 is recontructed
+ // "on fly" during the tracking
-protected:
Int_t fPdgCode; // reconstructed V0's type (PDG code)
Double_t fEffMass; // reconstructed V0's effective mass
Double_t fDcaV0Daughters; // dca between V0's daughters
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
+ // **** The following data members need to be revised ***
+
+ AliExternalTrackParam fParamP; // external parameters of positive particle
+ AliExternalTrackParam fParamN; // external parameters of negative particle
+ Float_t fRP[5]; // combined pid positive
+ Float_t fRM[5]; // combined pid positive
+ Int_t fID; // ID number of the V0 in the ESDV0 container
+ Int_t fLab[2]; // MC label of the particle
+ Int_t fIndex[2]; // reconstructed labels of the tracks
+ Int_t fClusters[2][6]; //! its clusters
+ //
+ //
+ Float_t fNormDCAPrim[2]; // normalize distance to the priary vertex
+ Double_t fDist1; //info about closest distance according closest MC - linear DCA
+ Double_t fDist2; //info about closest distance parabolic DCA
+ //
+ Double_t fPP[3]; //momentum positive - according approx at DCA
+ Double_t fPM[3]; //momentum negative
+ //
+ Double_t fXr[3]; //rec. position according helix
+ Double_t fAngle[3]; //three angles
+ Double_t fRr; //rec position of the vertex
+ Int_t fStatus; //status
+ Int_t fRow0; // critical layer
+ Int_t fOrder[3]; //order of the vertex
+ // quality information
+ Double_t fDistNorm; //normalized DCA
+ Double_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
+ Double_t fPointAngle; //point angle full
+ //
+ // parameterization coefficients
+ static AliESDV0Params fgkParams; // resolution and likelihood parameterization
+
+private:
+ AliESDv0& operator=(const AliESDv0&);
+
+ ClassDef(AliESDv0,2) // ESD V0 vertex
};
inline
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff