include/Geant4/G4EqMagElectricField.hh

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0025 //
0026 // G4EqMagElectricField
0027 //
0028 // Class description:
0029 //
0030 // This is the right-hand side of equation of motion in a combined
0031 // electric and magnetic field.
0032
0033 // Created: V.Grichine, 10.11.1998
0034 // -------------------------------------------------------------------
0035 #ifndef G4EQMAGELECTRICFIELD_HH
0036 #define G4EQMAGELECTRICFIELD_HH
0037
0038 #include "G4ChargeState.hh"
0039 #include "G4EquationOfMotion.hh"
0040 #include "G4ElectroMagneticField.hh"
0041
0042 class G4EqMagElectricField : public G4EquationOfMotion
0043 {
0044   public:
0045
0046     G4EqMagElectricField(G4ElectroMagneticField* emField );
0047    ~G4EqMagElectricField() override;
0048
0049     void  SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
0050                                 G4double MomentumXc,
0051                                 G4double mass) override;
0052
0053     void EvaluateRhsGivenB(const G4double y[],
0054                            const G4double Field[],
0055                                  G4double dydx[] ) const override;
0056       // Given the value of the electromagnetic field, this function
0057       // calculates the value of the derivative dydx.
0058
0059   private:
0060
0061     G4double fElectroMagCof = 0.0;
0062     G4double fMassCof = 0.0;
0063 };
0064
0065 #endif