Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/magneticfield/include/G4EqEMFieldWithEDM.hh

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 25 //
 26 // G4EqEMFieldWithEDM
 27 //
 28 // Class description:
 29 //
 30 // This is the right-hand side of equation of motion in a combined
 31 // electric and magnetic field, with spin tracking for both MDM and
 32 // EDM terms.
 33 
 34 // Created: Kevin Lynch, 19.02.2009 - Based on G4EqEMFieldWithSpin
 35 // -------------------------------------------------------------------
 36 #ifndef G4EQEMFIELDWITHEDM_HH
 37 #define G4EQEMFIELDWITHEDM_HH
 38 
 39 #include "G4ChargeState.hh"
 40 #include "G4EquationOfMotion.hh"
 41 
 42 class G4ElectroMagneticField;
 43 
 44 class G4EqEMFieldWithEDM : public G4EquationOfMotion
 45 {
 46   public:
 47 
 48     G4EqEMFieldWithEDM(G4ElectroMagneticField* emField );
 49 
 50    ~G4EqEMFieldWithEDM() override;
 51   
 52     void  SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
 53                                 G4double MomentumXc,
 54                                 G4double mass) override;
 55 
 56     void EvaluateRhsGivenB(const G4double y[],
 57                            const G4double Field[],
 58                                  G4double dydx[] ) const override;
 59       // Given the value of the electromagnetic field, this function 
 60       // calculates the value of the derivative dydx.
 61 
 62     inline void SetAnomaly(G4double a) { anomaly = a; }
 63     inline G4double GetAnomaly() const { return anomaly; }
 64       // set/get magnetic anomaly
 65 
 66     inline void SetEta(G4double n) { eta = n; }
 67     inline G4double GetEta() const { return eta; }
 68       // set/get EDM eta parameter
 69 
 70   private:
 71 
 72     G4double charge{0.}, mass{0.}, magMoment{0.}, spin{0.};
 73 
 74     G4double fElectroMagCof{0.} ;
 75     G4double fMassCof{0.};
 76 
 77     G4double omegac{0.}, anomaly{0.0011659208}, eta{0.};
 78     G4double beta{0.}, gamma{0.};
 79 };
 80 
 81 #endif
 82