[819] | 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 | // |
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| 27 | // This software was developed by Lawrence Livermore National Laboratory. |
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| 28 | // |
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| 29 | // Redistribution and use in source and binary forms, with or without |
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| 30 | // modification, are permitted provided that the following conditions are met: |
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| 31 | // |
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| 32 | // 1. Redistributions of source code must retain the above copyright notice, |
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| 33 | // this list of conditions and the following disclaimer. |
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| 34 | // 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 35 | // this list of conditions and the following disclaimer in the documentation |
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| 36 | // and/or other materials provided with the distribution. |
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| 37 | // 3. The name of the author may not be used to endorse or promote products |
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| 38 | // derived from this software without specific prior written permission. |
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| 39 | // |
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| 40 | // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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| 41 | // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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| 42 | // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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| 43 | // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 44 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 45 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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| 46 | // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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| 47 | // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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| 48 | // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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| 49 | // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 50 | // |
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| 51 | // Copyright (c) 2006 The Regents of the University of California. |
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| 52 | // All rights reserved. |
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| 53 | // UCRL-CODE-224807 |
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| 54 | // |
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| 55 | // |
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| 56 | // $Id: G4SmpSpNubarData.cc,v 1.1 2007/05/30 01:01:23 dennis Exp $ |
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| 57 | // |
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| 58 | |
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| 59 | #include "G4fissionEvent.hh" |
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| 60 | |
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| 61 | #define nSPfissNubarIso 18 |
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| 62 | |
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| 63 | G4double G4fissionEvent::G4SmpSpNubarData(G4int isotope) { |
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| 64 | |
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| 65 | /* |
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| 66 | Description |
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| 67 | Determine average number of neutrons from spontaneous fission for |
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| 68 | Th-232, |
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| 69 | U-232, U-233, U-234, U-235, U-236, U-238 |
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| 70 | Np-237, |
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| 71 | Pu-239, Pu-240, Pu-241, Pu-242 |
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| 72 | Am-241, |
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| 73 | Cm-242, Cm-244, |
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| 74 | Bk-249, |
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| 75 | Cf-252 |
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| 76 | Based on Ensslin's data. |
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| 77 | N. Ensslin, et.al., "Application Guide to Neutron Multiplicity Counting," |
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| 78 | LA-13422-M (November 1998) |
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| 79 | */ |
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| 80 | |
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| 81 | /* |
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| 82 | Input |
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| 83 | iso - isotope |
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| 84 | Output |
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| 85 | G4SmpSpNubarData - average number of neutrons |
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| 86 | -1. is the isotope has |
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| 87 | no nubar data |
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| 88 | */ |
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| 89 | |
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| 90 | G4int i; |
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| 91 | |
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| 92 | static G4int spzaid [nSPfissNubarIso] = { |
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| 93 | 90232, 92232, 92233, 92234, 92235, |
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| 94 | 92236, 92238, 93237, 94238, 94239, |
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| 95 | 94240, 94241, 94242, 95241, 96242, |
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| 96 | 96244, 97249, 98252 }; |
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| 97 | static G4double spnubar [nSPfissNubarIso] = { |
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| 98 | 2.14, 1.71, 1.76, 1.81, 1.86, |
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| 99 | 1.91, 2.01, 2.05, 2.21, 2.16, |
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| 100 | 2.156, 2.25, 2.145, 3.22, 2.54, |
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| 101 | 2.72, 3.40, 3.757 |
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| 102 | }; |
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| 103 | |
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| 104 | // Find nubar |
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| 105 | for (i=0; i<nSPfissNubarIso; i++) { |
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| 106 | if (isotope == spzaid[i]) { |
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| 107 | return spnubar[i]; |
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| 108 | } |
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| 109 | } |
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| 110 | // no nubar available for that isotope |
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| 111 | return -1.; |
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| 112 | } |
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