trkInfo.h File Reference

#include "CLHEP/Vector/LorentzVector.h"
#include "string.h"
#include "MdcRecEvent/RecMdcKalTrack.h"

Go to the source code of this file.

Classes
class	m_trkInfo

Functions
double	cal_via_mom (HepLorentzVector m_mom_a, HepLorentzVector m_mom_b)

Variables
const double	mmass [5] = {0.000511, 0.105658, 0.139570,0.493677, 0.938272}

Function Documentation

cal_via_mom()

double cal_via_mom ( HepLorentzVector  m_mom_a, HepLorentzVector  m_mom_b  )

inline

Definition at line 25 of file trkInfo.h.

                                                                             {
  return( m_mom_b.vect().mag()*1000-m_mom_a.vect().mag());
} // where a factor 1000 arise from the differences between the unit of MC truth and reconstruction

Variable Documentation

mmass

const double mmass[5] = {0.000511, 0.105658, 0.139570,0.493677, 0.938272}

Definition at line 4 of file trkInfo.h.

Referenced by m_trkInfo::getTrk().