include/Geant4/G4EqEMFieldWithEDM.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 // G4EqEMFieldWithEDM
0027 //
0028 // Class description:
0029 //
0030 // This is the right-hand side of equation of motion in a combined
0031 // electric and magnetic field, with spin tracking for both MDM and
0032 // EDM terms.
0033
0034 // Created: Kevin Lynch, 19.02.2009 - Based on G4EqEMFieldWithSpin
0035 // -------------------------------------------------------------------
0036 #ifndef G4EQEMFIELDWITHEDM_HH
0037 #define G4EQEMFIELDWITHEDM_HH
0038
0039 #include "G4ChargeState.hh"
0040 #include "G4EquationOfMotion.hh"
0041
0042 class G4ElectroMagneticField;
0043
0044 class G4EqEMFieldWithEDM : public G4EquationOfMotion
0045 {
0046   public:
0047
0048     G4EqEMFieldWithEDM(G4ElectroMagneticField* emField );
0049
0050    ~G4EqEMFieldWithEDM() override;
0051
0052     void  SetChargeMomentumMass(G4ChargeState particleCharge, // in e+ units
0053                                 G4double MomentumXc,
0054                                 G4double mass) override;
0055
0056     void EvaluateRhsGivenB(const G4double y[],
0057                            const G4double Field[],
0058                                  G4double dydx[] ) const override;
0059       // Given the value of the electromagnetic field, this function
0060       // calculates the value of the derivative dydx.
0061
0062     inline void SetAnomaly(G4double a) { anomaly = a; }
0063     inline G4double GetAnomaly() const { return anomaly; }
0064       // set/get magnetic anomaly
0065
0066     inline void SetEta(G4double n) { eta = n; }
0067     inline G4double GetEta() const { return eta; }
0068       // set/get EDM eta parameter
0069
0070   private:
0071
0072     G4double charge{0.}, mass{0.}, magMoment{0.}, spin{0.};
0073
0074     G4double fElectroMagCof{0.} ;
0075     G4double fMassCof{0.};
0076
0077     G4double omegac{0.}, anomaly{0.0011659208}, eta{0.};
0078     G4double beta{0.}, gamma{0.};
0079 };
0080
0081 #endif