// calculate cos(theta*) and phi* in HE and CS pictures
void GetThetaPhiCM(Double_t &thetaHE, Double_t &phiHE, Double_t &thetaCS, Double_t &phiCS) const;
+
Double_t ThetaPhiCM(Bool_t isHE, Bool_t isTheta) const;
static Double_t ThetaPhiCM(const AliVParticle* d1, const AliVParticle* d2,
const Bool_t isHE, const Bool_t isTheta);
Double_t PsiPair(Double_t MagField)const; //Angle cut w.r.t. to magnetic field
Double_t PhivPair(Double_t MagField)const; //Angle of ee plane w.r.t. to magnetic field
+ Double_t PairPlanev0rpH2Angle(Double_t kv0CrpH2)const;
+ Double_t PairPlaneMagAngle(Double_t kv0CrpH2)const;
+ Double_t PairPlaneAngle(Double_t kv0CrpH2)const;
+
Double_t GetCosPointingAngle(const AliVVertex *primVtx) const;
+ Double_t GetArmAlpha() const;
+ Double_t GetArmPt() const;
+
+ // calculate ratation of p1 p2
+ void GetRotPair(Double_t &RotPairx, Double_t &RotPairy, Double_t &RotPairz) const;
+
+
// internal KF particle
const AliKFParticle& GetKFParticle() const { return fPair; }
const AliKFParticle& GetKFFirstDaughter() const { return fD1; }
};
#endif
+
+