| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4EqEMFieldWithSpin.hh,v 1.1 2007/08/30 23:34:01 gum Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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| 29 | //
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| 30 | //
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| 31 | // class G4EqEMFieldWithSpin
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // This is the right-hand side of equation of motion in a combined
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| 36 | // electric and magnetic field.
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| 37 |
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| 38 | // History:
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| 39 | // - Created. Chris Gong, P.Gumplinger, 30.08.2007
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| 40 | // -------------------------------------------------------------------
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| 41 |
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| 42 | #ifndef G4EQEMFIELDWITHSPIN_hh
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| 43 | #define G4EQEMFIELDWITHSPIN_hh
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| 44 |
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| 45 | #include "G4EquationOfMotion.hh"
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| 46 | #include "G4ElectroMagneticField.hh"
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| 47 |
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| 48 | class G4EqEMFieldWithSpin : public G4EquationOfMotion
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| 49 | {
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| 50 | public: // with description
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| 51 |
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| 52 | G4EqEMFieldWithSpin(G4ElectroMagneticField *emField );
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| 53 |
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| 54 | ~G4EqEMFieldWithSpin() {;}
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| 55 |
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| 56 | void SetChargeMomentumMass(G4double particleCharge, // in e+ units
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| 57 | G4double MomentumXc,
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| 58 | G4double mass);
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| 59 |
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| 60 | void EvaluateRhsGivenB(const G4double y[],
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| 61 | const G4double Field[],
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| 62 | G4double dydx[] ) const;
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| 63 | // Given the value of the electromagnetic field, this function
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| 64 | // calculates the value of the derivative dydx.
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| 65 |
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| 66 | private:
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| 67 |
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| 68 | G4double fElectroMagCof ;
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| 69 | G4double fMassCof;
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| 70 |
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| 71 | G4double omegac;
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| 72 | G4double anomaly;
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| 73 | G4double ParticleCharge;
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| 74 | G4double E;
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| 75 | G4double gamma;
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| 76 | G4double beta;
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| 77 |
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| 78 | };
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| 79 |
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| 80 | #endif
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