message: Added the line TH1D* fAllChargedFourPion;
  Added a new histogram ( invariant mass of charged four pions)
diff: @@ -215,6 +215,7 @@ private:
  TH1D *fEtaCLowPtCandidatesPerChannel;
  TH2D *fAllPtVsMinvEtaC;
  TH1D *fAllMinvEtaCLowPt;
  + TH1D* fAllChargedFourPion;
  TH2D *fChannelVsMinvEtaC;
  TH1D *fHistNTracks;
  TH1D *fHistFourTracksNpion;
  