78 lines
3.0 KiB
C++
78 lines
3.0 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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// $Id: G4He3CoulombBarrier.cc,v 1.4 2006/06/29 20:28:27 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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// Hadronic Process: Nuclear De-excitations
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// by V. Lara (Dec 1999)
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#include "G4He3CoulombBarrier.hh"
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G4He3CoulombBarrier::G4He3CoulombBarrier(const G4He3CoulombBarrier & ) : G4CoulombBarrier()
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{
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throw G4HadronicException(__FILE__, __LINE__, "G4He3CoulombBarrier::copy_constructor meant to not be accessable.");
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}
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const G4He3CoulombBarrier & G4He3CoulombBarrier::operator=(const G4He3CoulombBarrier & )
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{
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throw G4HadronicException(__FILE__, __LINE__, "G4He3CoulombBarrier::operator= meant to not be accessable.");
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return *this;
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}
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G4bool G4He3CoulombBarrier::operator==(const G4He3CoulombBarrier & ) const
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{
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return false;
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}
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G4bool G4He3CoulombBarrier::operator!=(const G4He3CoulombBarrier & ) const
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{
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return true;
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}
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G4double G4He3CoulombBarrier::BarrierPenetrationFactor(const G4double aZ) const
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{
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// Data comes from
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// Dostrovsky, Fraenkel and Friedlander
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// Physical Review, vol 116, num. 3 1959
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//
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// const G4int size = 5;
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// const G4double Zlist[size] = {10.0, 20.0, 30.0, 50.0, 70.0};
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// const G4double KHe3[size] = {0.68, 0.82, 0.91, 0.97, 0.98};
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//
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// K for He3 is K for alphas + 0.12
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G4double K = 1.0;
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if (aZ>=70.0) {
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K = 0.98;
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} else {
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K = (((0.23684e-5*aZ) - 0.42143e-3)*aZ + 0.25222e-1)*aZ + 0.46699;
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}
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return K+0.12;
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}
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