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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // 27 // J.M. Quesada (August2008). Based on: 28 // 29 // Hadronic Process: Nuclear De-excitations 30 // by V. Lara (Oct 1998) 31 // 32 // Modified: 33 // 03-09-2008 J.M. Quesada for external choice of inverse cross section option 34 // 17-11-2010 V.Ivanchenko integer Z and A 35 36 #include "G4ProtonEvaporationProbability.hh" 37 38 G4ProtonEvaporationProbability::G4ProtonEvaporationProbability() : 39 G4EvaporationProbability(1,1,2.0) 40 {} 41 42 G4double 43 G4ProtonEvaporationProbability::CalcAlphaParam(const G4Fragment& fragment) 44 { 45 // Data comes from 46 // Dostrovsky, Fraenkel and Friedlander 47 // Physical Review, vol 116, num. 3 1959 48 // 49 // const G4int size = 5; 50 // G4double Zlist[5] = { 10.0, 20.0, 30.0, 50.0, 70.0}; 51 // G4double Cp[5] = { 0.50, 0.28, 0.20, 0.15, 0.10}; 52 53 G4int aZ = fragment.GetZ_asInt()-GetZ(); 54 G4double C = (aZ <= 70) ? 0.10 : 55 ((((0.15417e-06*aZ) - 0.29875e-04)*aZ + 0.21071e-02)*aZ - 0.66612e-01)*aZ 56 + 0.98375; 57 58 return 1.0 + C; 59 } 60 61 G4double G4ProtonEvaporationProbability::CalcBetaParam(const G4Fragment & ) 62 { 63 return 0.0; 64 } 65 66