+ TFile *fHistoFile; // histogramm file pointer
+ TH1F *fHPtMuon; // Muon Pt distribution
+ TH1F *fHPtMuonPlus; // Muon Plus Pt distribution
+ TH1F *fHPtMuonMinus; // Muon Minus Pt distribution
+ TH1F *fHPMuon; // Muon momentum distribution
+ TH1F *fHInvMassAll; // Invariant mass distribution
+ TH1F *fHRapMuon; // Muon rapidity distribution
+ TH1F *fHRapResonance; // Muon rapidity distribution around resonance
+ TH1F *fHPtResonance; // Muon Pt distribution around resonance
+ TH2F *fHInvMassAllvsPt; // Invariant mass vs Pt distribution