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Geant4/processes/hadronic/models/particle_hp/include/G4FPYNubarValues.hh

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 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 Cf and Fm Isotopes",            *
 36  *      D. C. Hoffman, G. P. Ford, J. P. Balagna, and L. R. Veeser, Physical  *
 37  *      Review C, 21.2, February 1980                                         *
 38  *  2.  "Spontaneous Fission Properties and Lifetime Systematics",            *
 39  *      D. C. Hoffman, International Conference on Fifty Years Research in    *
 40  *      Nuclear Fission, Berlin, Germany, 1989                                *
 41  *  3.  MCNP - A General Monte carlo N-Particle Transport Code, Version 5,    *
 42  *      X-5 Monte Carlo Team, Volume I: Overview and Theory, April, 2005      *
 43  *  4.  ENDF database, Search parameters: ENDF/B-VII.0; MF=1; MAT=452         *
 44  *  5.  Prompt Neutron Multiplicities for the Transplutonium Nuclides,        *
 45  *      N. E. Holden and M. S. Zucker, Brookhaven National Lab, January, 1985 *
 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 fission. The data are represented
 55  *  as linear regression fits from experimental data in the form: v = mx + b,
 56  *  where x is the incident neutron energy.
 57  *  \n \n Value 1: The isotope in ZZZAAA format
 58  *  \n Value 2: 'x' of the linear regression fit multiplied by 10^13
 59  *  \n Value 3: 'b' of the linear regression fit multiplied by 10^4
 60  *  \n \n See Reference 4 for further information
 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 induced fission.
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 information
113  */
114 // Still need: a lot
115 static const G4int NeutronInducedNubarWidth_[][2] = {
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 fission. The data are represented
129  *  as linear regression fits from experimental data in the form: v = mx + b,
130  *  where x is the incident neutron energy.
131  *  \n \n Value 1: The isotope in ZZZAAA format
132  *  \n Value 2: 'x' of the linear regression fit multiplied by 10^13
133  *  \n Value 3: 'b' of the linear regression fit multiplied by 10^4
134  *  \n \n See References 1, 2, 4, & 5 for further information
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 induced fission.
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