Gabriele Cosmo
113 lines
4.5 KiB
C++
113 lines
4.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// This software was developed by Lawrence Livermore National Laboratory.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2006 The Regents of the University of California.
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// All rights reserved.
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// UCRL-CODE-224807
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//
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//
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// $Id: G4SmpSpNubarData.cc 68799 2013-04-05 13:29:46Z gcosmo $
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//
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#include "G4fissionEvent.hh"
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#define nSPfissNubarIso 18
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G4double G4fissionEvent::G4SmpSpNubarData(G4int isotope) {
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/*
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Description
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Determine average number of neutrons from spontaneous fission for
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Th-232,
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U-232, U-233, U-234, U-235, U-236, U-238
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Np-237,
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Pu-239, Pu-240, Pu-241, Pu-242
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Am-241,
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Cm-242, Cm-244,
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Bk-249,
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Cf-252
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Based on Ensslin's data.
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N. Ensslin, et.al., "Application Guide to Neutron Multiplicity Counting,"
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LA-13422-M (November 1998)
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*/
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/*
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Input
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iso - isotope
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Output
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G4SmpSpNubarData - average number of neutrons
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-1. is the isotope has
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no nubar data
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*/
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G4int i;
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static G4int spzaid [nSPfissNubarIso] = {
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90232, 92232, 92233, 92234, 92235,
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92236, 92238, 93237, 94238, 94239,
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94240, 94241, 94242, 95241, 96242,
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96244, 97249, 98252 };
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static G4double spnubar [nSPfissNubarIso] = {
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2.14, 1.71, 1.76, 1.81, 1.86,
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1.91, 2.01, 2.05, 2.21, 2.16,
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2.156, 2.25, 2.145, 3.22, 2.54,
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2.72, 3.40, 3.757
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};
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// Find nubar
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for (i=0; i<nSPfissNubarIso; i++) {
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if (isotope == spzaid[i]) {
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return spnubar[i];
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}
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}
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// no nubar available for that isotope
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return -1.;
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}
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