00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // $Id$ 00027 // 00028 // by V. Lara 00029 // 00030 // Modified: 00031 // 23.08.2010 V.Ivanchenko general cleanup, move constructor and destructor 00032 // the source, use G4Pow 00033 // 00034 00035 #include "G4HETCChargedFragment.hh" 00036 #include "G4PhysicalConstants.hh" 00037 #include "G4VCoulombBarrier.hh" 00038 #include "G4PreCompoundParameters.hh" 00039 00040 G4HETCChargedFragment::G4HETCChargedFragment( 00041 const G4ParticleDefinition* pd, G4VCoulombBarrier * aCoulombBarrier) 00042 : G4HETCFragment(pd, aCoulombBarrier) 00043 {} 00044 00045 G4HETCChargedFragment::~G4HETCChargedFragment() 00046 {} 00047 00048 G4double G4HETCChargedFragment:: 00049 GetKineticEnergy(const G4Fragment & aFragment) 00050 { 00051 G4int Pb = aFragment.GetNumberOfParticles(); 00052 G4int H = aFragment.GetNumberOfHoles(); 00053 00054 G4double g0 = (6.0/pi2)*aFragment.GetA_asInt()*theParameters->GetLevelDensity(); 00055 00056 G4double Ab = std::max(0.0,G4double(Pb*Pb+H*H+Pb-3*H)/(4.0*g0)); 00057 G4double Emax = GetMaximalKineticEnergy() - Ab; 00058 00059 G4double x = BetaRand(Pb + H, 2); 00060 00061 return Emax - (Emax-GetCoulombBarrier())*x; 00062 }