| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // This software was developed by Lawrence Liv 27 // This software was developed by Lawrence Livermore National Laboratory.
28 // 28 //
29 // Redistribution and use in source and binary 29 // Redistribution and use in source and binary forms, with or without
30 // modification, are permitted provided that t 30 // modification, are permitted provided that the following conditions are met:
31 // 31 //
32 // 1. Redistributions of source code must reta 32 // 1. Redistributions of source code must retain the above copyright notice,
33 // this list of conditions and the following 33 // this list of conditions and the following disclaimer.
34 // 2. Redistributions in binary form must repr 34 // 2. Redistributions in binary form must reproduce the above copyright notice,
35 // this list of conditions and the following 35 // this list of conditions and the following disclaimer in the documentation
36 // and/or other materials provided with the 36 // and/or other materials provided with the distribution.
37 // 3. The name of the author may not be used t 37 // 3. The name of the author may not be used to endorse or promote products
38 // derived from this software without specif 38 // derived from this software without specific prior written permission.
39 // 39 //
40 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``A 40 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
41 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 41 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
42 // MERCHANTABILITY AND FITNESS FOR A PARTICULA 42 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
43 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DI 43 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGE 44 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
45 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES 45 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
46 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AN 46 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
47 // WHETHER IN CONTRACT, STRICT LIABILITY, OR T 47 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
48 // OTHERWISE) ARISING IN ANY WAY OUT OF THE US 48 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
49 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 49 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50 // 50 //
51 // Copyright (c) 2006 The Regents of the Unive 51 // Copyright (c) 2006 The Regents of the University of California.
52 // All rights reserved. 52 // All rights reserved.
53 // UCRL-CODE-224807 53 // UCRL-CODE-224807
54 // 54 //
55 // 55 //
56 // 56 //
57 57
58 #include <cmath> 58 #include <cmath>
59 #include "G4Log.hh" 59 #include "G4Log.hh"
60 #include "G4Pow.hh" 60 #include "G4Pow.hh"
61 #include "G4fissionEvent.hh" 61 #include "G4fissionEvent.hh"
62 62
63 G4double G4fissionEvent::G4SmpGEng() { 63 G4double G4fissionEvent::G4SmpGEng() {
64 64
65 /* 65 /*
66 Description 66 Description
67 Sample energy spectrum for photons emitted 67 Sample energy spectrum for photons emitted by fission-induced reactions.
68 The energy spectrum of the prompt fission 68 The energy spectrum of the prompt fission gamma rays is obtained from
69 Maienschein's measurements. 69 Maienschein's measurements.
70 */ 70 */
71 71
72 /* 72 /*
73 Input 73 Input
74 Return 74 Return
75 energy of photon emitted by neutron-induce 75 energy of photon emitted by neutron-induced fission
76 */ 76 */
77 77
78 G4double r; 78 G4double r;
79 /* 79 /*
80 Calculate the energy of photons emitted from 80 Calculate the energy of photons emitted from fission
81 */ 81 */
82 G4Pow* Pow=G4Pow::GetInstance(); 82 G4Pow* Pow=G4Pow::GetInstance();
83 r=fisslibrng(); 83 r=fisslibrng();
84 84
85 if (r == 0.0) return 0.085; 85 if (r == 0.0) return 0.085;
86 86
87 if (r <= 0.0001) return 0.0855+0.01692*(r/0 87 if (r <= 0.0001) return 0.0855+0.01692*(r/0.0001)-0.02401*Pow->powA(r/0.0001,2.)+0.01274*Pow->powA(r/0.0001,3.);
88 88
89 if (r > 0.0001 && r <= 0.01) return 0.09141 89 if (r > 0.0001 && r <= 0.01) return 0.09141 + 0.23846*((r-0.0001)/0.0099)
90 - 1.75947*Pow->powA((r 90 - 1.75947*Pow->powA((r-.0001)/0.0099,2.)
91 91 + 10.98611*Pow->powA((r-0.0001)/0.0099,3.)
92 92 - 43.19181*Pow->powA((r-.0001)/0.0099,4.)
93 93 +105.70005*Pow->powA((r-.0001)/.0099,5.)
94 94 -160.72894*Pow->powA((r-.0001)/.0099,6.)
95 95 +147.43399*Pow->powA((r-.0001)/.0099,7.)
96 96 - 74.60043*Pow->powA((r-.0001)/0.0099,8.)
97 97 + 15.97547*Pow->powA((r-.0001)/0.0099,9.);
98 98
99 if (r > 0.01 && r <= 0.1537) return 0.14486 99 if (r > 0.01 && r <= 0.1537) return 0.14486 + 0.40914*((r-.01)/.1437)
100 - 1.28150*Pow->powA((r- 100 - 1.28150*Pow->powA((r-0.01)/0.1437,2.)
101 101 + 5.07377*Pow->powA((r-0.01)/0.1437,3.)
102 102 -15.42031*Pow->powA((r-0.01)/0.1437,4.)
103 103 +31.96346*Pow->powA((r-0.01)/0.1437,5.)
104 104 -43.12605*Pow->powA((r-0.01)/0.1437,6.)
105 105 +36.02908*Pow->powA((r-0.01)/0.1437,7.)
106 106 -16.87185*Pow->powA((r-0.01)/0.1437,8.)
107 107 + 3.37941*Pow->powA((r-0.01)/0.1437,9.);
108 108
109 if (r > 0.1537 && r <= 0.7114) return (-1./ 109 if (r > 0.1537 && r <= 0.7114) return (-1./2.3)*G4Log(0.71956*(0.1537-r)+0.50158);
110 110
111 if (r > 0.7114 && r <= 1.0) return (-1./1.1 111 if (r > 0.7114 && r <= 1.0) return (-1./1.1)*G4Log(1.15292*(0.7114-r)+0.33287);
112 // 112 //
113 // Fall through 113 // Fall through
114 // 114 //
115 G4cout << " Random number out of range in S 115 G4cout << " Random number out of range in SmpGEng " << G4endl;
116 return -1.0; 116 return -1.0;
117 } 117 }
118 118