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File indexing completed on 2025-01-18 09:58:56
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 // Geant4 Class file 0027 // 0028 // File name: G4PolarizedBremsstrahlungXS 0029 // 0030 // Author: Karim Laihem and Andreas Schaelicke 0031 // 0032 // Class Description: 0033 // determine the polarization of the final state 0034 // in a bremsstrahlung scattering process employing the differential 0035 // cross section by Olsen and Maximon 0036 0037 #ifndef G4PolarizedBremsstrahlungXS_h 0038 #define G4PolarizedBremsstrahlungXS_h 1 0039 0040 #include "globals.hh" 0041 #include "G4StokesVector.hh" 0042 #include "G4VPolarizedXS.hh" 0043 0044 class G4PolarizedBremsstrahlungXS : public G4VPolarizedXS 0045 { 0046 public: 0047 G4PolarizedBremsstrahlungXS(); 0048 ~G4PolarizedBremsstrahlungXS() override; 0049 0050 void Initialize(G4double eps, G4double X, G4double phi, 0051 const G4StokesVector& p0, const G4StokesVector& p1, 0052 G4int flag = 0) override; 0053 G4double XSection(const G4StokesVector& pol2, 0054 const G4StokesVector& pol3) override; 0055 0056 // return expected mean polarisation 0057 G4StokesVector GetPol2() override; // electron/positron 0058 G4StokesVector GetPol3() override; // photon 0059 0060 G4PolarizedBremsstrahlungXS& operator =( 0061 const G4PolarizedBremsstrahlungXS& right) = delete; 0062 G4PolarizedBremsstrahlungXS(const G4PolarizedBremsstrahlungXS&) = delete; 0063 0064 private: 0065 static G4double SCRN[2][19]; // screening function lookup table 0066 0067 G4StokesVector fFinalLeptonPolarization; 0068 G4StokesVector fFinalGammaPolarization; 0069 }; 0070 0071 #endif
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