+ Bool_t fIsMultTotal; // Mode od multiplicity: total, dN/dY
+
+ TF1 *fPtFormula; //! Pt formula for model (1)
+ TF1 *fYFormula; //! Y formula for model (1)
+ TF2 *fPtYFormula[4]; //! Pt,Y formulae for model (2)-(4)
+ TF1 *fPhiFormula; //! phi formula