/// Return primary vertex position from the ITS
Double_t* GetVertex() { return fXYZ; }
/// Set chi2 / ndf in the MUON track fit
void SetChi2(Double_t chi2) {fChi2=chi2;}
/// Return chi2 / ndf in the MUON track fit
/// Return primary vertex position from the ITS
Double_t* GetVertex() { return fXYZ; }
/// Set chi2 / ndf in the MUON track fit
void SetChi2(Double_t chi2) {fChi2=chi2;}
/// Return chi2 / ndf in the MUON track fit