Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/magneticfield/include/G4MonopoleEq.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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 19 // * technical work of the GEANT4 collaboration.                      *
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 25 //
 26 // G4MonopoleEq
 27 //
 28 // Class description:
 29 //
 30 // This is the right-hand side of equation of motion for monopole
 31 // in a combined electric and magnetic field:
 32 // d(p_c)/ds=g{c-energyB_ - p_c x E}/pc
 33 
 34 // Created: V.Grichine, 17.11.2009
 35 // -------------------------------------------------------------------
 36 #ifndef G4EQMAGELECTRICFIELD_HH
 37 #define G4EQMAGELECTRICFIELD_HH
 38 
 39 #include "G4ChargeState.hh"
 40 #include "G4EquationOfMotion.hh"
 41 #include "G4ElectroMagneticField.hh"
 42 
 43 class G4MonopoleEq : public G4EquationOfMotion
 44 {
 45   public:
 46 
 47     G4MonopoleEq(G4ElectroMagneticField* emField );
 48    ~G4MonopoleEq() override;
 49 
 50     void  SetChargeMomentumMass(G4ChargeState particleCharge,
 51                                 G4double MomentumXc,
 52                                 G4double mass) override;
 53 
 54     void EvaluateRhsGivenB(const G4double y[],
 55                            const G4double Field[],
 56                                  G4double dydx[] ) const override;
 57       // Given the value of the electromagnetic field, this function 
 58       // calculates the value of the derivative dydx.
 59 
 60   private:
 61 
 62     G4double fElectroMagCof = 0.0;
 63     G4double fMassCof = 0.0;
 64 };
 65 
 66 #endif
 67