include/Geant4/G4MonopoleEq.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // G4MonopoleEq
0027 //
0028 // Class description:
0029 //
0030 // This is the right-hand side of equation of motion for monopole
0031 // in a combined electric and magnetic field:
0032 // d(p_c)/ds=g{c-energyB_ - p_c x E}/pc
0033
0034 // Created: V.Grichine, 17.11.2009
0035 // -------------------------------------------------------------------
0036 #ifndef G4EQMAGELECTRICFIELD_HH
0037 #define G4EQMAGELECTRICFIELD_HH
0038
0039 #include "G4ChargeState.hh"
0040 #include "G4EquationOfMotion.hh"
0041 #include "G4ElectroMagneticField.hh"
0042
0043 class G4MonopoleEq : public G4EquationOfMotion
0044 {
0045   public:
0046
0047     G4MonopoleEq(G4ElectroMagneticField* emField );
0048    ~G4MonopoleEq() override;
0049
0050     void  SetChargeMomentumMass(G4ChargeState particleCharge,
0051                                 G4double MomentumXc,
0052                                 G4double mass) override;
0053
0054     void EvaluateRhsGivenB(const G4double y[],
0055                            const G4double Field[],
0056                                  G4double dydx[] ) const override;
0057       // Given the value of the electromagnetic field, this function
0058       // calculates the value of the derivative dydx.
0059
0060   private:
0061
0062     G4double fElectroMagCof = 0.0;
0063     G4double fMassCof = 0.0;
0064 };
0065
0066 #endif