LineNumber,VariableName,Type,Description 1,definingParametersCovMatrixDiag,vector<vector<float> >,Muon Spectrometer track extrapolated to primary vertex: covariance matrix diagonal of track fit 2,definingParametersCovMatrixOffDiag,vector<vector<float> >,Muon Spectrometer track extrapolated to primary vertex: covariance matrix off-diagonal of track fit 3,phi,vector<float>,Muon Spectrometer track extrapolated to primary vertex: kinematics 4,truthType,vector<int>,Truth type associated with Extrapolated muon track 5,truthOrigin,vector<int>,Truth origin associated with Extrapolated muon track 6,qOverP,vector<float>,Muon Spectrometer track extrapolated to primary vertex: kinematics 7,d0,vector<float>,"Transverse impact parameter, i.e. the distance of the closest point of the track to the beamspot on the transverse plane" 8,z0,vector<float>,"Longitudinal impact parameter, i.e. the track's distance from the beamspot along the z-axis, calculated at the point of closest approach to the beamspot on the transverse plane" 9,theta,vector<float>,Muon Spectrometer track extrapolated to primary vertex: kinematics 10,vz,vector<float>,"The point of reference for the z0 calculation, i.e. the beamspot position along the z-axis"