| 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 /*
27 * File: G4FPYNubarValues.hh
28 * Author: B. Wendt (wendbryc@isu.edu)
29 *
30 * Created on July 11, 2011, 11:23 AM
31 */
32
33 /* * * * * * * * * * * * * * * * References
34 *
35 * 1. "Neutron Multiplicity Measurements of
36 * D. C. Hoffman, G. P. Ford, J. P. Balag
37 * Review C, 21.2, February 1980
38 * 2. "Spontaneous Fission Properties and Li
39 * D. C. Hoffman, International Conferenc
40 * Nuclear Fission, Berlin, Germany, 1989
41 * 3. MCNP - A General Monte carlo N-Particl
42 * X-5 Monte Carlo Team, Volume I: Overvi
43 * 4. ENDF database, Search parameters: ENDF
44 * 5. Prompt Neutron Multiplicities for the
45 * N. E. Holden and M. S. Zucker, Brookha
46 *
47 * * * * * * * * * * * * * * * * References
48
49 #ifndef G4FPYNUBARVALUES_HH
50 #define G4FPYNUBARVALUES_HH
51
52 #include "G4Types.hh"
53
54 /** Evaluated nubar values for neutron induced
55 * as linear regression fits from experimenta
56 * where x is the incident neutron energy.
57 * \n \n Value 1: The isotope in ZZZAAA forma
58 * \n Value 2: 'x' of the linear regression f
59 * \n Value 3: 'b' of the linear regression f
60 * \n \n See Reference 4 for further informat
61 */
62 static const G4int NeutronInducedNubar_[][3] =
63 // Default
64 {0, 1476773, 29881},
65 // Thorium
66 {90227, 818327, 20647},
67 {90229, 936480, 20872},
68 {90232, 1252285, 21061},
69 // Proactinum
70 {91231, 1030251, 22480},
71 // Uranium
72 {92232, 1070000, 31300},
73 {92233, 1218868, 25043},
74 {92234, 1230006, 23673},
75 {92235, 1392331, 24336},
76 {92236, 1353849, 23717},
77 {92237, 1502160, 24911},
78 {92238, 1343405, 24911},
79 // Neptunium
80 {93237, 1485790, 26362},
81 {93238, 1476892, 25150},
82 // Plutonium
83 {94238, 1479368, 28950},
84 {94239, 1477500, 28505},
85 {94240, 1518313, 28030},
86 {94241, 1496809, 29443},
87 {94242, 1575406, 28100},
88 // Americium
89 {95241, 1425195, 30827},
90 {95242, 1337871, 32717},
91 {95243, 1305739, 32737},
92 // Curium
93 {96242, 1720000, 34400},
94 {96243, 1220064, 34329},
95 {96244, 1839123, 32444},
96 {96245, 1166218, 35968},
97 {96246, 1223446, 36153},
98 {96248, 2080000, 34900},
99 // Californium
100 {98249, 1796326, 38876},
101 {98251, 2416144, 41400},
102 // Einsteinium
103 {99254, 2438676, 40832},
104 // Fermium
105 {100255, 2499442, 43924},
106 // End of array
107 {-1, -1, -1}};
108
109 /** Recommended Gaussian widths for neutron in
110 * \n Column 1: The isotope in ZZZAAA format
111 * \n Column 2: The width multiplied by 10^6
112 * \n \n See Reference 3 for further informat
113 */
114 // Still need: a lot
115 static const G4int NeutronInducedNubarWidth_[]
116 // Default
117 {0, 1210000},
118 // Uranium
119 {92233, 1144900},
120 {92235, 1183744},
121 {92238, 1245456},
122 // Plutonium
123 {94239, 1299600},
124 {94241, 1322500},
125 // End of array
126 {-1, -1}};
127
128 /** Evaluated nubar values for neutron induced
129 * as linear regression fits from experimenta
130 * where x is the incident neutron energy.
131 * \n \n Value 1: The isotope in ZZZAAA forma
132 * \n Value 2: 'x' of the linear regression f
133 * \n Value 3: 'b' of the linear regression f
134 * \n \n See References 1, 2, 4, & 5 for furt
135 */
136 static const G4int SpontaneousNubar_[][3] = {
137 // Default
138 {0, 25000},
139 // Uranium
140 {92238, 0, 20000},
141 // Curium
142 {96244, 0, 26875},
143 {96246, 0, 29480},
144 {96248, 0, 31500},
145 // Californium
146 {98250, 0, 25200},
147 {98252, 0, 37676},
148 // Einsteinium
149 {99253, 0, 47000},
150 // Fermium
151 {100254, 0, 39800},
152 {100256, 0, 37300},
153 // End of array
154 {-1, -1, -1}};
155
156 /** Recommended Gaussian widths for neutron in
157 * See Reference 3 for further information.
158 * \n Column 1: The isotope in ZZZAAA format
159 * \n Column 2: The width multiplied by 10^6
160 */
161 // Still need: 92238, 99253
162 static const G4int SpontaneousNubarWidth_[][2]
163 // Default
164 {0, 1210000},
165 // Plutonium
166 {94238, 1288225},
167 {94240, 1324801},
168 {94242, 1347921},
169 // Curium
170 {96242, 1190281},
171 {96244, 1216609},
172 {96246, 1205604},
173 {96248, 1227664},
174 // Californium
175 {98250, 1488400},
176 {98252, 1550025},
177 {98254, 1476225},
178 // Fermium
179 {100254, 1552516},
180 {100256, 1349007},
181 {100257, 1178983},
182 // End of array
183 {-1, -1}};
184
185 #endif /* G4FPYNUBARVALUES_HH */
186