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 | // |
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28 | |
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29 | #include "G4NuclearFermiDensity.hh" |
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30 | |
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31 | G4NuclearFermiDensity::G4NuclearFermiDensity(G4int anA, G4int aZ) |
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32 | : theA(anA), theZ(aZ), a(0.545 * fermi) |
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33 | { |
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34 | // const G4double r0=1.14*fermi; |
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35 | const G4double r0=1.16 * ( 1. - 1.16 * std::pow(G4double(anA), -2./3.)) * fermi; |
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36 | theR= r0 * std::pow(anA, 1./3. ); |
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37 | Setrho0(3./ (4. * pi * std::pow(r0,3.) * theA * ( 1. + sqr(a/theR)*pi2 ))); |
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38 | } |
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39 | |
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40 | G4NuclearFermiDensity::~G4NuclearFermiDensity() {} |
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41 | |
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42 | |
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