G4MonopoleEq.hh

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// $Id: G4MonopoleEq.hh 69699 2013-05-13 08:50:30Z gcosmo $
//
//
// class G4MonopoleEq
//
// Class description:
//
// This is the right-hand side of equation of motion 
// for monopole in a combined
// electric and magnetic field.

// History:
// - Created. V.Grichine, 17.11.09
// -------------------------------------------------------------------

#ifndef G4EQMAGELECTRICFIELD_hh
#define G4EQMAGELECTRICFIELD_hh

#include "G4ChargeState.hh"
#include "G4EquationOfMotion.hh"
#include "G4ElectroMagneticField.hh"

class G4MonopoleEq : public G4EquationOfMotion
{
  public:  // with description

    G4MonopoleEq(G4ElectroMagneticField *emField )
      : G4EquationOfMotion( emField ) {;}

    ~G4MonopoleEq() {;} 

    void  SetChargeMomentumMass(G4ChargeState particleCharge,
                                G4double MomentumXc,
                                G4double mass);

    void EvaluateRhsGivenB(const G4double y[],
                           const G4double Field[],
                                 G4double dydx[] ) const;
      // Given the value of the electromagnetic field, this function 
      // calculates the value of the derivative dydx.

  private:

    G4double        fElectroMagCof ;
    G4double        fMassCof;
};

#endif