+ Double_t PhivPair(Double_t MagField)const; //Angle of ee plane w.r.t. to magnetic field
+
+ //Calculate the angle between ee decay plane and variables
+ Double_t GetPairPlaneAngle(const Double_t kv0CrpH2, const Int_t VariNum) const;
+
+ Double_t GetCosPointingAngle(const AliVVertex *primVtx) const;
+ Double_t GetArmAlpha() const;
+ Double_t GetArmPt() const;
+ void GetDCA(const AliVVertex *primVtx, Double_t d0z0[2]) const;
+