message: chnaged version of CEPTrackBuffer -> 7
diff: @@ -141,7 +141,7 @@ class CEPTrackBuffer : public TObject {
  Float_t GetMCMass() const { return fMCMass; }
  TVector3 GetMCMomentum() const { return fMCMomentum; }
  - ClassDef(CEPTrackBuffer, 6) // CEP track buffer
  + ClassDef(CEPTrackBuffer, 7) // CEP track buffer
  };
  