+ static
+ Double_t fgChi2max; // maximal allowed chi2
+ static
+ Double_t fgDNmin; // min allowed impact parameter for the 1st daughter
+ static
+ Double_t fgDPmin; // min allowed impact parameter for the 2nd daughter
+ static
+ Double_t fgDCAmax; // maximal allowed DCA between the daughter tracks
+ static
+ Double_t fgCPAmin; // minimal allowed cosine of V0's pointing angle
+ static
+ Double_t fgRmin, fgRmax; // max & min radii of the fiducial volume
+