MonopoleEquation.h

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//
// =======================================================================
//
// class G4MonopoleEquation
//
// Created:  30 April 2010, S. Burdin, B. Bozsogi
//                       G4MonopoleEquation class for
//                       Geant4 extended example "monopole"
//
// Adopted for CMSSW by V.Ivanchenko 30 April 2018
// from Geant4 global tag geant4-10-04-ref-03
//
// =======================================================================
//
// Class description:
//
// This is the right-hand side of equation of motion in a
// magnetic field only for magnetic monopoles.
//
// -------------------------------------------------------------------
 
#ifndef SimG4Core_MagneticField_MonopoleEquation_h
#define SimG4Core_MagneticField_MonopoleEquation_h 1
 
#include "G4EquationOfMotion.hh"
#include "G4MagneticField.hh"
 
class MonopoleEquation : public G4EquationOfMotion {
public:  // with description
  MonopoleEquation(G4MagneticField *emField);
 
  ~MonopoleEquation() override;
 
  void SetChargeMomentumMass(G4ChargeState particleChargeState, G4double momentum, G4double mass) override;
  // magnetic charge in e+ units
 
  void EvaluateRhsGivenB(const G4double y[], const G4double Field[], G4double dydx[]) const override;
  // Given the value of the electromagnetic field, this function
  // calculates the value of the derivative dydx.
 
private:
  G4double fMagCharge;
  G4double fElCharge;
  G4double fMassCof;
};
 
#endif