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 | // $Id: G4He3CoulombBarrier.cc,v 1.4 2006/06/29 20:28:27 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // Hadronic Process: Nuclear De-excitations |
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31 | // by V. Lara (Dec 1999) |
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32 | |
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33 | |
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34 | #include "G4He3CoulombBarrier.hh" |
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35 | |
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36 | G4He3CoulombBarrier::G4He3CoulombBarrier(const G4He3CoulombBarrier & ) : G4CoulombBarrier() |
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37 | { |
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38 | throw G4HadronicException(__FILE__, __LINE__, "G4He3CoulombBarrier::copy_constructor meant to not be accessable."); |
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39 | } |
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40 | |
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41 | |
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42 | const G4He3CoulombBarrier & G4He3CoulombBarrier::operator=(const G4He3CoulombBarrier & ) |
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43 | { |
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44 | throw G4HadronicException(__FILE__, __LINE__, "G4He3CoulombBarrier::operator= meant to not be accessable."); |
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45 | return *this; |
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46 | } |
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47 | |
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48 | G4bool G4He3CoulombBarrier::operator==(const G4He3CoulombBarrier & ) const |
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49 | { |
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50 | return false; |
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51 | } |
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52 | |
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53 | G4bool G4He3CoulombBarrier::operator!=(const G4He3CoulombBarrier & ) const |
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54 | { |
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55 | return true; |
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56 | } |
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57 | |
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58 | |
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59 | G4double G4He3CoulombBarrier::BarrierPenetrationFactor(const G4double aZ) const |
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60 | { |
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61 | // Data comes from |
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62 | // Dostrovsky, Fraenkel and Friedlander |
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63 | // Physical Review, vol 116, num. 3 1959 |
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64 | // |
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65 | // const G4int size = 5; |
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66 | // const G4double Zlist[size] = {10.0, 20.0, 30.0, 50.0, 70.0}; |
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67 | // const G4double KHe3[size] = {0.68, 0.82, 0.91, 0.97, 0.98}; |
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68 | // |
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69 | // K for He3 is K for alphas + 0.12 |
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70 | G4double K = 1.0; |
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71 | if (aZ>=70.0) { |
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72 | K = 0.98; |
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73 | } else { |
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74 | K = (((0.23684e-5*aZ) - 0.42143e-3)*aZ + 0.25222e-1)*aZ + 0.46699; |
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75 | } |
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76 | return K+0.12; |
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77 | } |
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