Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/geometry/magneticfield/include/G4RepleteEofM.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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 24 // ********************************************************************
 25 //
 26 // G4RepleteEofM
 27 //
 28 // Class description:
 29 //
 30 // This is the right-hand side of equation of motion in a combined
 31 // field, including: magnetic, electric, gravity, and gradient B field,
 32 // as well as spin tracking
 33 
 34 // Created: P.Gumplinger, 08.04.2013
 35 // -------------------------------------------------------------------
 36 #ifndef G4EOFM_HH
 37 #define G4EOFM_HH
 38 
 39 #include "G4ChargeState.hh"
 40 #include "G4EquationOfMotion.hh"
 41 
 42 class G4Field;
 43 
 44 class G4RepleteEofM : public G4EquationOfMotion
 45 {
 46   public:
 47 
 48     G4RepleteEofM(G4Field*, G4int nvar = 8);
 49    ~G4RepleteEofM() override;
 50 
 51     void SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
 52                                G4double MomentumXc,
 53                                G4double mass) override;
 54 
 55     void EvaluateRhsGivenB(const G4double y[],
 56                            const G4double Field[],
 57                                  G4double dydx[] ) const override;
 58       // Given the value of the field, this function 
 59       // calculates the value of the derivative dydx.
 60 
 61     inline void SetAnomaly(G4double a) { anomaly = a; }
 62     inline G4double GetAnomaly() const { return anomaly; }
 63       // set/get magnetic anomaly
 64 
 65     inline void SetBField() { fBfield = true; }
 66     inline void SetEField() { fEfield = true; }
 67     inline void SetgradB()  { fgradB  = true; }
 68     inline void SetSpin()   { fSpin   = true; }
 69 
 70   private:
 71 
 72     G4int fNvar = 0;
 73 
 74     G4bool fBfield=false, fEfield=false,
 75            fGfield=false, fgradB=false, fSpin=false;
 76 
 77     G4double charge=0.0, mass=0.0, magMoment=0.0, spin=0.0;
 78 
 79     G4double ElectroMagCof=0.0;
 80 
 81     G4double omegac=0.0, anomaly=0.0;
 82     G4double beta=0.0, gamma=0.0;
 83 };
 84 
 85 #endif
 86