| 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: G4EqEMFieldWithEDM.hh,v 1.2 2010/07/14 10:00:36 gcosmo Exp $ |
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| 28 | // GEANT4 tag $Name: field-V09-03-03 $ |
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| 29 | // |
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| 30 | // |
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| 31 | // class G4EqEMFieldWithEDM |
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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, with spin tracking for both MDM and |
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| 37 | // EDM terms. |
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| 38 | |
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| 39 | // History: |
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| 40 | // - Created. Kevin Lynch, 19.02.2009, based on G4EqEMFieldWithSpin |
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| 41 | // ------------------------------------------------------------------- |
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| 42 | |
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| 43 | #ifndef G4EQEMFIELDWITHEDM_hh |
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| 44 | #define G4EQEMFIELDWITHEDM_hh |
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| 45 | |
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| 46 | #include "G4EquationOfMotion.hh" |
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| 47 | |
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| 48 | class G4ElectroMagneticField; |
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| 49 | |
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| 50 | class G4EqEMFieldWithEDM : public G4EquationOfMotion |
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| 51 | { |
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| 52 | public: // with description |
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| 53 | |
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| 54 | G4EqEMFieldWithEDM(G4ElectroMagneticField *emField ); |
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| 55 | |
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| 56 | ~G4EqEMFieldWithEDM(); |
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| 57 | |
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| 58 | void SetChargeMomentumMass(G4double particleCharge, // in e+ units |
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| 59 | G4double MomentumXc, |
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| 60 | G4double mass); |
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| 61 | |
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| 62 | void EvaluateRhsGivenB(const G4double y[], |
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| 63 | const G4double Field[], |
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| 64 | G4double dydx[] ) const; |
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| 65 | // Given the value of the electromagnetic field, this function |
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| 66 | // calculates the value of the derivative dydx. |
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| 67 | |
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| 68 | inline void SetAnomaly(G4double a) { anomaly = a; } |
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| 69 | inline G4double GetAnomaly() const { return anomaly; } |
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| 70 | // set/get magnetic anomaly |
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| 71 | |
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| 72 | inline void SetEta(G4double n) { eta = n; } |
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| 73 | inline G4double GetEta() const { return eta; } |
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| 74 | // set/get EDM eta parameter |
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| 75 | |
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| 76 | private: |
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| 77 | |
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| 78 | G4double fElectroMagCof ; |
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| 79 | G4double fMassCof; |
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| 80 | G4double omegac; |
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| 81 | G4double anomaly; |
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| 82 | G4double eta; |
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| 83 | G4double pcharge; |
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| 84 | G4double E; |
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| 85 | G4double gamma; |
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| 86 | G4double beta; |
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| 87 | |
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| 88 | }; |
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| 89 | |
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| 90 | #endif /* G4EQEMFIELDWITHEDM */ |
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