1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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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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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 | // |
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27 | // $Id: G4FissionLevelDensityParameter.cc,v 1.8 2010/11/17 20:22:46 vnivanch Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | // Hadronic Process: Nuclear De-excitations |
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31 | // by V. Lara (Oct 1998) |
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32 | // |
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33 | // J.M.Quesada (July 2009): fission level density parameter tuned for spallation data. |
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34 | // V.Ivanchenko (July 2009): fixed logic and remove wrong usage of MeV |
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35 | // J.M.Quesada (30.10.09): retuning for IAEA spallation data |
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36 | |
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37 | #include "G4FissionLevelDensityParameter.hh" |
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38 | #include "G4HadronicException.hh" |
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39 | |
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40 | |
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41 | G4FissionLevelDensityParameter::G4FissionLevelDensityParameter() |
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42 | {} |
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43 | |
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44 | G4FissionLevelDensityParameter::~G4FissionLevelDensityParameter() |
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45 | {} |
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46 | |
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47 | |
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48 | G4double G4FissionLevelDensityParameter:: |
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49 | LevelDensityParameter(G4int A, G4int Z, G4double U) const |
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50 | { |
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51 | G4double EvapLDP = |
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52 | theEvaporationLevelDensityParameter.LevelDensityParameter(A,Z,U); |
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53 | |
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54 | if(Z >= 89) { EvapLDP *= 1.02; } |
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55 | else if(Z >= 85) { EvapLDP *= (1.02 + 0.004*(89 - Z)); } |
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56 | else { EvapLDP *= 1.04; } |
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57 | |
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58 | /* |
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59 | if(Z >= 89) { EvapLDP *= 1.01; } |
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60 | else if(Z >= 85) { EvapLDP *= (1.01 + 0.002*(89 - Z)); } |
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61 | else { EvapLDP *= 1.02; } |
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62 | */ |
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63 | return EvapLDP; |
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64 | |
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65 | /* |
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66 | if(Z >= 89) EvapLDP *= 1.04; |
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67 | else if(Z >= 85) EvapLDP *= (1.04 + 0.01*(89 - Z)); |
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68 | else EvapLDP *= 1.09; |
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69 | |
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70 | //JMQ 310509 |
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71 | return 1.07*EvapLDP; |
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72 | */ |
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73 | } |
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