Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // File name: G4VPolarizedXS 27 // 28 // Author: Andreas Schaelicke 29 // 30 // Class Description: 31 // (virtual) interface class 32 // provides readable but efficient routines 33 // polarization for the final state of a giv 34 // empoying the differential cross section 35 36 #include "G4VPolarizedXS.hh" 37 38 #include "Randomize.hh" 39 40 G4VPolarizedXS::G4VPolarizedXS() 41 : fXmin(0) 42 , fXmax(1.) 43 , fYmin(1.) 44 , fA(1.) 45 , fZ(1.) 46 , fCoul(0.) 47 {} 48 49 G4VPolarizedXS::~G4VPolarizedXS() {} 50 51 void G4VPolarizedXS::Initialize(G4double, G4do 52 const G4Stokes 53 G4int) 54 {} 55 56 G4StokesVector G4VPolarizedXS::GetPol2() 57 { 58 // neglects correlation effects! 59 G4double invXsecTotal = 60 1. / XSection(G4StokesVector::ZERO, G4Stok 61 G4double xsPol1 = XSection(G4StokesVector::P 62 G4double xsPol2 = XSection(G4StokesVector::P 63 G4double xsPol3 = XSection(G4StokesVector::P 64 return G4StokesVector(G4ThreeVector( 65 invXsecTotal * xsPol1, invXsecTotal * xsPo 66 } 67 68 G4StokesVector G4VPolarizedXS::GetPol3() 69 { 70 // neglects correlation effects! 71 G4double invXsecTotal = 72 1. / XSection(G4StokesVector::ZERO, G4Stok 73 G4double xsPol1 = XSection(G4StokesVector::Z 74 G4double xsPol2 = XSection(G4StokesVector::Z 75 G4double xsPol3 = XSection(G4StokesVector::Z 76 return G4StokesVector(G4ThreeVector( 77 invXsecTotal * xsPol1, invXsecTotal * xsPo 78 } 79 80 // minimal energy fraction in TotalXSection 81 G4double G4VPolarizedXS::GetXmin(G4double /*y* 82 83 // maximal energy fraction in TotalXSection 84 G4double G4VPolarizedXS::GetXmax(G4double /*y* 85 86 G4double G4VPolarizedXS::TotalXSection(G4doubl 87 const G 88 const G 89 { 90 G4ExceptionDescription ed; 91 ed << "WARNING virtual function G4VPolarized 92 "called.\n"; 93 G4Exception("G4VPolarizedXS::TotalXSection", 94 return 0.; 95 } 96