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G4Mag_EqRhs.cc
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27 // $Id: G4Mag_EqRhs.cc 69699 2013-05-13 08:50:30Z gcosmo $
28 //
29 // This is the standard right-hand side for equation of motion
30 // in a pure Magnetic Field .
31 //
32 // Other that might be required are:
33 // i) is when using a moving reference frame ... or
34 // ii) extending for other forces, eg an electric field
35 //
36 // J. Apostolakis, January 13th, 1997
37 //
38 // --------------------------------------------------------------------
39 
40 #include "G4MagneticField.hh"
41 #include "G4Mag_EqRhs.hh"
42 #include "globals.hh"
43 #include "G4PhysicalConstants.hh"
44 #include "G4SystemOfUnits.hh"
45 
46 const G4double G4Mag_EqRhs::fUnitConstant = 0.299792458 * (GeV/(tesla*m));
47 
48 // Constructor Implementation
49 //
51  : G4EquationOfMotion(magField), fCof_val(0.)
52 {
53 }
54 
55 void
57  G4double, // MomentumXc
58  G4double ) // particleMass
59 {
60  G4double pcharge = particleCharge.GetCharge();
61  fCof_val = pcharge*eplus*c_light ; // B must be in Tesla
62  // fCof_val = fUnitConstant*pcharge/MomentumXc; // B must be in Tesla
63  // fMass = particleMass;
64 }
65 
G4Mag_EqRhs(G4MagneticField *magField)
Definition: G4Mag_EqRhs.cc:50
virtual ~G4Mag_EqRhs()
Definition: G4Mag_EqRhs.cc:66
static constexpr double m
Definition: G4SIunits.hh:129
double G4double
Definition: G4Types.hh:76
static const G4double fUnitConstant
Definition: G4Mag_EqRhs.hh:75
G4double fCof_val
Definition: G4Mag_EqRhs.hh:73
static constexpr double eplus
Definition: G4SIunits.hh:199
static constexpr double c_light
G4double GetCharge() const
static constexpr double GeV
Definition: G4SIunits.hh:217
virtual void SetChargeMomentumMass(G4ChargeState particleCharge, G4double MomentumXc, G4double mass)
Definition: G4Mag_EqRhs.cc:56
static constexpr double tesla
Definition: G4SIunits.hh:268