Int_t fSelectAll; // Flag to write the full event
Int_t fFlavor; // Selected particle flavor 4: charm+beauty 5: beauty
Int_t fTrials; // Number of trials
+ Int_t fNprimaries; // Number of generated particles
Int_t fSpectators; // put spectators on stack
Int_t fSpecn; // Num. of spectator neutrons
Int_t fSpecp; // Num. of spectator protons