1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: G4FissLib.hh,v 1.2 2007/06/01 13:46:53 gcosmo Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | // ******************************************************************** |
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30 | // ! A neutron-induced fission package ! |
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31 | // ! J.M. Verbeke, Dec-2006 / LLNL ! |
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32 | // ! ! |
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33 | // ! G4NeutronFissionModule.cc ! |
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34 | // ! ! |
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35 | // ! Classes to simulate neutron-induced fissions, emitting neutrons ! |
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36 | // ! and gamma-rays. Algorithm uses data whenever available, and ! |
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37 | // ! models such as the Terrell approximation, the Watt spectrum ! |
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38 | // ! otherwise. ! |
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39 | // ! ! |
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40 | // ! The complete list of references used is shown below: ! |
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41 | // ! ! |
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42 | // ! J. Terrell, "Distributions of Fission Neutron Numbers", Phys. ! |
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43 | // ! Rev. 108, 783 (1957). ! |
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44 | // ! M.S. Zucker, N.E. Holden, "Energy Dependence of Neutron ! |
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45 | // ! Multiplicity P_nu in Fast-Neutron-Induced Fission for U-235, ! |
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46 | // ! U-238 and Pu-239," BNL-38491 (1986). ! |
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47 | // ! T.E. Valentine, "MCNP-DSP Users Manual," ORNL/TM-13334, R2, Oak ! |
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48 | // ! Ridge National Laboratory (2000). ! |
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49 | // ! T.E. Valentine, J.T. Mihalczo, "MCNP-DSP: A Neutron and Gamma ! |
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50 | // ! Ray Monte Carlo Calculation of Source-Driven Noise-Measured ! |
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51 | // ! Parameters ," Ann. of Nucl. Eng., 23, 16, p. 1271 (1996). ! |
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52 | // ! R. Gwin, R.R. Spencer, R.W. Ingle, "Measurements of the Energy ! |
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53 | // ! Dependence of Prompt Neutron Emission from U-233, U-235, ! |
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54 | // ! Pu-239, and Pu-241 for E_n=0.005 to 10 eV Relative to Emission ! |
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55 | // ! from Spontaneous Fission of Cf-252," Nucl. Sci. Eng., 87, 381 ! |
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56 | // ! (1984). ! |
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57 | // ! J. Frehaut, "Neutron Multiplicity Distribution in Fast ! |
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58 | // ! Neutron-Induced Fission," Proc. of IAEA Consultant's Meeting ! |
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59 | // ! on Physics of Neutron Emission in Fission, Mito, Japan (1988). ! |
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60 | // ! R.R. Spencer, R. Gwin, R.W. Ingle, "A measurement of the Average ! |
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61 | // ! Number of Prompt Neutrons from Spontaneous Fission of ! |
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62 | // ! Californium-252," Nucl. Sci. Eng. 80, 603 (1982). ! |
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63 | // ! J.W. Boldeman, M.G. Hines, "Prompt Neutron Emission ! |
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64 | // ! Probabilities Following Spontaneous and Thermal Neutron ! |
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65 | // ! Fission," Nucl. Sci. Eng., 91, 114 (1985). ! |
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66 | // ! N.E. Holden, M.S. Zucker, "A Reevaluation of the Average Prompt ! |
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67 | // ! Neutron Emission Multiplicity (nubar) Values from Fission of ! |
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68 | // ! Uranium and Transuranium Nuclides," BNL-NCS-35513, Brookhaven ! |
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69 | // ! National Laboratory). ! |
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70 | // ! R.J. Howerton, et al, "The LLL Evaluated Nuclear Data Library ! |
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71 | // ! (ENDL): Evaluation Techniques, Reaction Index, and Description ! |
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72 | // ! of Individual Evaluations," UCRL-50400, V. 15, Part A, ! |
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73 | // ! Lawrence Livermore National Laboratory (1975). ! |
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74 | // ! D.E. Cullen, "Sampling ENDL Watt Fission Spectra," ! |
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75 | // ! UCRL-TR-203251, Lawrence Livermore National Laboratory (2004). ! |
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76 | // ! C.J. Everett, E.D. Cashwell, "A Third Monte Carlo Sampler," ! |
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77 | // ! LA-9721-MS, Los Alamos National Laboratory (1983). ! |
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78 | // ! D.E. Cullen, "TART 2002: A Couple Neutron-Photon 3-D, ! |
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79 | // ! Combinatorial Geometry, Time Dependent Monte-Carlo Transport ! |
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80 | // ! Code," UCRL-ID-126455, Rev. 4, Lawrence Livermore National ! |
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81 | // ! Laboratory (2003). ! |
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82 | // ! W. Mannhart, "Evaluation of the Cf-252 Fission Neutron Spectrum ! |
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83 | // ! Between 0 MeV and 20 MeV," Proc. Advisory Group Mtg. Neutron ! |
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84 | // ! Sources, Leningrad, USSR, 1986 (IAEA-TECDOC-410), Vienna ! |
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85 | // ! (1987). ! |
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86 | // ! D.G. Madland, J.R. Nix, "Prompt Fission Neutron Spectra and ! |
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87 | // ! Average Prompt Neutron Multiplicities,"NEANDC Specialist's ! |
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88 | // ! Meeting on Yields and Decay Data of Fission Products, ! |
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89 | // ! Brookhaven National Laboratory, BNL 51778 (1984). ! |
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90 | // ! F.H. Froehner, "Evaluation of Cf-252 Prompt Fission Neutron Data ! |
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91 | // ! from 0 to 20 MeV by Watt Spectrum Fit," Nucl. Sci. Eng. 106, ! |
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92 | // ! 345 (1990). ! |
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93 | // ! G.S. Brunson, Jr., "Multiplicity and Correlated Energy of Gamma ! |
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94 | // ! Rays Emitted in the Spontaneous Fission of Californium-252," ! |
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95 | // ! Ph.D. Thesis, University of Utah (1982). ! |
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96 | // ! T.E. Valentine, "Evaluation of Prompt Fission Gamma Rays for Use ! |
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97 | // ! in Simulating Nuclear Safeguard Measurements," Ann. Nucl. ! |
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98 | // ! Eng., 28, 191 (2001). ! |
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99 | // ! C. Wagemans, "The Nuclear Fission Process," CRC Press, Inc., Boca! |
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100 | // ! Raton, Florida (1991). ! |
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101 | // ! F.C. Maienschein, R.W. Peelle, T.A. Love, Neutron Phys. Ann. ! |
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102 | // ! Prog. Rep. for Sept. 1, 1958, ORNL-2609, Oak Ridge National ! |
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103 | // ! Laboratory (1958). ! |
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104 | // ! "Fundamental Aspects of Reactor Shielding," Addison-Wesley ! |
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105 | // ! Publishing Company, Inc. Reading, Massachussetts (1959). ! |
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106 | // ! ! |
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107 | // ******************************************************************** |
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108 | // |
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109 | // Hadronic Process: High Precision low E neutron tracking |
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110 | // original by J.M. Verbeke, LLNL, 5-Jan-07 |
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111 | // Builds and has the Cross-section data for one material. |
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112 | |
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113 | #ifndef G4FissLib_h |
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114 | #define G4FissLib_h 1 |
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115 | |
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116 | // Class Description |
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117 | // Final state production model for a high precision (based on evaluated data |
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118 | // libraries) description of neutron induced fission below 10 MeV. |
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119 | // Note that this model (by intent of avoiding the possibility of heating studies) does |
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120 | // not provide the nuclear fragments. |
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121 | // |
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122 | // To be used in your physics list in case you need this physics. |
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123 | // In this case you want to register an object of this class with |
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124 | // the corresponding process. |
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125 | // Class Description - End |
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126 | |
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127 | #include "globals.hh" |
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128 | #include "G4NeutronHPChannel.hh" |
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129 | #include "G4HadronicInteraction.hh" |
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130 | #include "G4NeutronHPThermalBoost.hh" |
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131 | #include "G4FissionLibrary.hh" |
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132 | #include "G4FissLib.hh" |
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133 | |
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134 | class G4FissLib : public G4HadronicInteraction |
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135 | { |
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136 | public: |
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137 | |
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138 | G4FissLib(); |
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139 | |
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140 | ~G4FissLib(); |
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141 | |
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142 | G4HadFinalState * ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& aTargetNucleus); |
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143 | |
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144 | private: |
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145 | |
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146 | G4FissionLibrary theLibrary; |
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147 | |
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148 | private: |
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149 | |
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150 | G4double * xSec; |
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151 | G4NeutronHPChannel * theFission; |
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152 | G4String dirName; |
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153 | G4int numEle; |
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154 | // static G4String theNames[3]; |
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155 | }; |
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156 | |
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157 | #endif |
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