include/Geant4/G4RepleteEofM.hh

0001 //
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0024 // ********************************************************************
0025 //
0026 // G4RepleteEofM
0027 //
0028 // Class description:
0029 //
0030 // This is the right-hand side of equation of motion in a combined
0031 // field, including: magnetic, electric, gravity, and gradient B field,
0032 // as well as spin tracking
0033
0034 // Created: P.Gumplinger, 08.04.2013
0035 // -------------------------------------------------------------------
0036 #ifndef G4EOFM_HH
0037 #define G4EOFM_HH
0038
0039 #include "G4ChargeState.hh"
0040 #include "G4EquationOfMotion.hh"
0041
0042 class G4Field;
0043
0044 class G4RepleteEofM : public G4EquationOfMotion
0045 {
0046   public:
0047
0048     G4RepleteEofM(G4Field*, G4int nvar = 8);
0049    ~G4RepleteEofM() override;
0050
0051     void SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
0052                                G4double MomentumXc,
0053                                G4double mass) override;
0054
0055     void EvaluateRhsGivenB(const G4double y[],
0056                            const G4double Field[],
0057                                  G4double dydx[] ) const override;
0058       // Given the value of the field, this function
0059       // calculates the value of the derivative dydx.
0060
0061     inline void SetAnomaly(G4double a) { anomaly = a; }
0062     inline G4double GetAnomaly() const { return anomaly; }
0063       // set/get magnetic anomaly
0064
0065     inline void SetBField() { fBfield = true; }
0066     inline void SetEField() { fEfield = true; }
0067     inline void SetgradB()  { fgradB  = true; }
0068     inline void SetSpin()   { fSpin   = true; }
0069
0070   private:
0071
0072     G4int fNvar = 0;
0073
0074     G4bool fBfield=false, fEfield=false,
0075            fGfield=false, fgradB=false, fSpin=false;
0076
0077     G4double charge=0.0, mass=0.0, magMoment=0.0, spin=0.0;
0078
0079     G4double ElectroMagCof=0.0;
0080
0081     G4double omegac=0.0, anomaly=0.0;
0082     G4double beta=0.0, gamma=0.0;
0083 };
0084
0085 #endif