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25 // 25 //
26 // File name: G4VPolarizedXS 26 // File name: G4VPolarizedXS
27 // 27 //
28 // Author: Andreas Schaelicke 28 // Author: Andreas Schaelicke
29 // 29 //
30 // Class Description: 30 // Class Description:
31 // (virtual) interface class 31 // (virtual) interface class
32 // provides readable but efficient routines 32 // provides readable but efficient routines to determine
33 // polarization for the final state of a giv 33 // polarization for the final state of a given process
34 // empoying the differential cross section 34 // empoying the differential cross section
35 35
36 #include "G4VPolarizedXS.hh" 36 #include "G4VPolarizedXS.hh"
37 37
38 #include "Randomize.hh" 38 #include "Randomize.hh"
39 39
40 G4VPolarizedXS::G4VPolarizedXS() 40 G4VPolarizedXS::G4VPolarizedXS()
41 : fXmin(0) 41 : fXmin(0)
42 , fXmax(1.) 42 , fXmax(1.)
43 , fYmin(1.) 43 , fYmin(1.)
44 , fA(1.) 44 , fA(1.)
45 , fZ(1.) 45 , fZ(1.)
46 , fCoul(0.) 46 , fCoul(0.)
47 {} 47 {}
48 48
49 G4VPolarizedXS::~G4VPolarizedXS() {} 49 G4VPolarizedXS::~G4VPolarizedXS() {}
50 50
51 void G4VPolarizedXS::Initialize(G4double, G4do 51 void G4VPolarizedXS::Initialize(G4double, G4double, G4double,
52 const G4Stokes 52 const G4StokesVector&, const G4StokesVector&,
53 G4int) 53 G4int)
54 {} 54 {}
55 55
56 G4StokesVector G4VPolarizedXS::GetPol2() 56 G4StokesVector G4VPolarizedXS::GetPol2()
57 { 57 {
58 // neglects correlation effects! 58 // neglects correlation effects!
59 G4double invXsecTotal = 59 G4double invXsecTotal =
60 1. / XSection(G4StokesVector::ZERO, G4Stok 60 1. / XSection(G4StokesVector::ZERO, G4StokesVector::ZERO);
61 G4double xsPol1 = XSection(G4StokesVector::P 61 G4double xsPol1 = XSection(G4StokesVector::P1, G4StokesVector::ZERO);
62 G4double xsPol2 = XSection(G4StokesVector::P 62 G4double xsPol2 = XSection(G4StokesVector::P2, G4StokesVector::ZERO);
63 G4double xsPol3 = XSection(G4StokesVector::P 63 G4double xsPol3 = XSection(G4StokesVector::P3, G4StokesVector::ZERO);
64 return G4StokesVector(G4ThreeVector( 64 return G4StokesVector(G4ThreeVector(
65 invXsecTotal * xsPol1, invXsecTotal * xsPo 65 invXsecTotal * xsPol1, invXsecTotal * xsPol2, invXsecTotal * xsPol3));
66 } 66 }
67 67
68 G4StokesVector G4VPolarizedXS::GetPol3() 68 G4StokesVector G4VPolarizedXS::GetPol3()
69 { 69 {
70 // neglects correlation effects! 70 // neglects correlation effects!
71 G4double invXsecTotal = 71 G4double invXsecTotal =
72 1. / XSection(G4StokesVector::ZERO, G4Stok 72 1. / XSection(G4StokesVector::ZERO, G4StokesVector::ZERO);
73 G4double xsPol1 = XSection(G4StokesVector::Z 73 G4double xsPol1 = XSection(G4StokesVector::ZERO, G4StokesVector::P1);
74 G4double xsPol2 = XSection(G4StokesVector::Z 74 G4double xsPol2 = XSection(G4StokesVector::ZERO, G4StokesVector::P2);
75 G4double xsPol3 = XSection(G4StokesVector::Z 75 G4double xsPol3 = XSection(G4StokesVector::ZERO, G4StokesVector::P3);
76 return G4StokesVector(G4ThreeVector( 76 return G4StokesVector(G4ThreeVector(
77 invXsecTotal * xsPol1, invXsecTotal * xsPo 77 invXsecTotal * xsPol1, invXsecTotal * xsPol2, invXsecTotal * xsPol3));
78 } 78 }
79 79
80 // minimal energy fraction in TotalXSection 80 // minimal energy fraction in TotalXSection
81 G4double G4VPolarizedXS::GetXmin(G4double /*y* 81 G4double G4VPolarizedXS::GetXmin(G4double /*y*/) { return fXmin; }
82 82
83 // maximal energy fraction in TotalXSection 83 // maximal energy fraction in TotalXSection
84 G4double G4VPolarizedXS::GetXmax(G4double /*y* 84 G4double G4VPolarizedXS::GetXmax(G4double /*y*/) { return fXmax; }
85 85
86 G4double G4VPolarizedXS::TotalXSection(G4doubl 86 G4double G4VPolarizedXS::TotalXSection(G4double, G4double, G4double,
87 const G 87 const G4StokesVector&,
88 const G 88 const G4StokesVector&)
89 { 89 {
90 G4ExceptionDescription ed; 90 G4ExceptionDescription ed;
91 ed << "WARNING virtual function G4VPolarized 91 ed << "WARNING virtual function G4VPolarizedXS::TotalXSection() "
92 "called.\n"; 92 "called.\n";
93 G4Exception("G4VPolarizedXS::TotalXSection", 93 G4Exception("G4VPolarizedXS::TotalXSection", "pol032", FatalException, ed);
94 return 0.; 94 return 0.;
95 } 95 }
96 96