Geant4-11
G4LENDInelasticCrossSection.cc
Go to the documentation of this file.
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
28#include "G4SystemOfUnits.hh"
29
31{
32 if ( target == NULL ) return 0.0;
33// 090407
34// return target->getElasticCrossSection( ke/MeV , temperature )*barn;
35 //return target->getOthersCrossSectionAtE( ke/MeV , temperature )*barn;
36 G4double result = target->getOthersCrossSectionAtE( ke/MeV , temperature )*barn;
37 if ( result == 0.0 && ke/eV < 1.0e-4)
38 {
39 G4double el = 1.0e-4*eV;
40 G4double eh = 2.0e-4*eV;
41 G4double xs_el = target->getOthersCrossSectionAtE( el/MeV , temperature )*barn;
42 G4double xs_eh = target->getOthersCrossSectionAtE( eh/MeV , temperature )*barn;
43 result = GetUltraLowEnergyExtrapolatedXS( el , eh , xs_el , xs_eh , ke );
44 }
45 return result;
46}
47
static constexpr double barn
Definition: G4SIunits.hh:85
static constexpr double eV
Definition: G4SIunits.hh:201
static constexpr double MeV
Definition: G4SIunits.hh:200
double G4double
Definition: G4Types.hh:83
double getOthersCrossSectionAtE(double e_in, double temperature)
G4double GetUltraLowEnergyExtrapolatedXS(G4double, G4double, G4double, G4double, G4double)
G4double getLENDCrossSection(G4GIDI_target *, G4double, G4double)