| 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
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8 // * LICENSE and available at http://cern.ch/
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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 //
27 // This software was developed by Lawrence Liv
28 //
29 // Redistribution and use in source and binary
30 // modification, are permitted provided that t
31 //
32 // 1. Redistributions of source code must reta
33 // this list of conditions and the following
34 // 2. Redistributions in binary form must repr
35 // this list of conditions and the following
36 // and/or other materials provided with the
37 // 3. The name of the author may not be used t
38 // derived from this software without specif
39 //
40 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``A
41 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
42 // MERCHANTABILITY AND FITNESS FOR A PARTICULA
43 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DI
44 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGE
45 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES
46 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AN
47 // WHETHER IN CONTRACT, STRICT LIABILITY, OR T
48 // OTHERWISE) ARISING IN ANY WAY OUT OF THE US
49 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50 //
51 // Copyright (c) 2006 The Regents of the Unive
52 // All rights reserved.
53 // UCRL-CODE-224807
54 //
55 //
56 //
57
58 #include <cmath>
59 #include "G4Log.hh"
60 #include "G4Pow.hh"
61 #include "G4fissionEvent.hh"
62
63 G4double G4fissionEvent::G4SmpGEng() {
64
65 /*
66 Description
67 Sample energy spectrum for photons emitted
68 The energy spectrum of the prompt fission
69 Maienschein's measurements.
70 */
71
72 /*
73 Input
74 Return
75 energy of photon emitted by neutron-induce
76 */
77
78 G4double r;
79 /*
80 Calculate the energy of photons emitted from
81 */
82 G4Pow* Pow=G4Pow::GetInstance();
83 r=fisslibrng();
84
85 if (r == 0.0) return 0.085;
86
87 if (r <= 0.0001) return 0.0855+0.01692*(r/0
88
89 if (r > 0.0001 && r <= 0.01) return 0.09141
90 - 1.75947*Pow->powA((r
91
92
93
94
95
96
97
98
99 if (r > 0.01 && r <= 0.1537) return 0.14486
100 - 1.28150*Pow->powA((r-
101
102
103
104
105
106
107
108
109 if (r > 0.1537 && r <= 0.7114) return (-1./
110
111 if (r > 0.7114 && r <= 1.0) return (-1./1.1
112 //
113 // Fall through
114 //
115 G4cout << " Random number out of range in S
116 return -1.0;
117 }
118