00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id: G4EqEMFieldWithSpin.hh 69786 2013-05-15 09:38:51Z gcosmo $ 00028 // 00029 // 00030 // class G4EqEMFieldWithSpin 00031 // 00032 // Class description: 00033 // 00034 // This is the right-hand side of equation of motion in a combined 00035 // electric and magnetic field. 00036 00037 // History: 00038 // - Created. Chris Gong, P.Gumplinger, 30.08.2007 00039 // ------------------------------------------------------------------- 00040 00041 #ifndef G4EQEMFIELDWITHSPIN_hh 00042 #define G4EQEMFIELDWITHSPIN_hh 00043 00044 #include "G4EquationOfMotion.hh" 00045 00046 class G4ElectroMagneticField; 00047 00048 class G4EqEMFieldWithSpin : public G4EquationOfMotion 00049 { 00050 public: // with description 00051 00052 G4EqEMFieldWithSpin(G4ElectroMagneticField *emField ); 00053 00054 ~G4EqEMFieldWithSpin(); 00055 00056 void SetChargeMomentumMass(G4double particleCharge, // in e+ units 00057 G4double MomentumXc, 00058 G4double mass); 00059 00060 void EvaluateRhsGivenB(const G4double y[], 00061 const G4double Field[], 00062 G4double dydx[] ) const; 00063 // Given the value of the electromagnetic field, this function 00064 // calculates the value of the derivative dydx. 00065 00066 inline void SetAnomaly(G4double a) { anomaly = a; } 00067 inline G4double GetAnomaly() const { return anomaly; } 00068 // set/get magnetic anomaly 00069 00070 private: 00071 00072 G4double fElectroMagCof ; 00073 G4double fMassCof; 00074 G4double omegac; 00075 G4double anomaly; 00076 G4double pcharge; 00077 G4double E; 00078 G4double gamma; 00079 G4double beta; 00080 00081 }; 00082 00083 #endif /* G4EQEMFIELDWITHSPIN */