1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // $Id: G4PolarizedBremsstrahlungCrossSection.hh,v 1.3 2007/11/01 17:32:34 schaelic Exp $ |
---|
27 | // GEANT4 tag $Name: $ |
---|
28 | // |
---|
29 | // GEANT4 Class file |
---|
30 | // |
---|
31 | // |
---|
32 | // File name: G4PolarizedBremsstrahlungCrossSection |
---|
33 | // |
---|
34 | // Author: Karim Laihem and Andreas Schaelicke |
---|
35 | // |
---|
36 | // Creation date: 15.05.2005 |
---|
37 | // |
---|
38 | // Modifications: |
---|
39 | // 15.10.07 introduced a more general framework for cross sections (AS) |
---|
40 | // |
---|
41 | // Class Description: |
---|
42 | // determine the polarization of the final state |
---|
43 | // in a Bremsstrahlung scattering process employing the differential |
---|
44 | // cross section by Olsen and Maximon |
---|
45 | // |
---|
46 | #ifndef G4PolarizedBremsstrahlungCrossSection_h |
---|
47 | #define G4PolarizedBremsstrahlungCrossSection_h 1 |
---|
48 | |
---|
49 | #include "G4StokesVector.hh" |
---|
50 | #include "G4VPolarizedCrossSection.hh" |
---|
51 | |
---|
52 | |
---|
53 | |
---|
54 | |
---|
55 | class G4PolarizedBremsstrahlungCrossSection : public G4VPolarizedCrossSection |
---|
56 | { |
---|
57 | public: |
---|
58 | G4PolarizedBremsstrahlungCrossSection(); |
---|
59 | virtual void Initialize(G4double eps, G4double X, G4double phi, |
---|
60 | const G4StokesVector & p0, |
---|
61 | const G4StokesVector & p1, |
---|
62 | G4int flag=0); |
---|
63 | virtual G4double XSection(const G4StokesVector & pol2, |
---|
64 | const G4StokesVector & pol3); |
---|
65 | |
---|
66 | // return expected mean polarisation |
---|
67 | G4StokesVector GetPol2(); // electron/positron |
---|
68 | G4StokesVector GetPol3(); // photon |
---|
69 | private: |
---|
70 | |
---|
71 | G4StokesVector theFinalLeptonPolarization; |
---|
72 | G4StokesVector theFinalGammaPolarization; |
---|
73 | |
---|
74 | void InitializeMe(); |
---|
75 | |
---|
76 | static G4bool scrnInitialized; |
---|
77 | static G4double SCRN [3][20]; // screening function lookup table; |
---|
78 | }; |
---|
79 | |
---|
80 | #endif |
---|