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geant4.10.00.p01
source
processes
hadronic
models
de_excitation
util
src
G4EvaporationLevelDensityParameter.cc
Go to the documentation of this file.
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//
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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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// * 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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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4EvaporationLevelDensityParameter.cc 68724 2013-04-05 09:26:32Z gcosmo $
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//
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// Hadronic Process: Nuclear De-excitations
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// by V. Lara (Oct 1998)
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//
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// Modified:
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// 21.03.2013 V.Ivanchenko redesigned and comment out unused part
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#include "
G4EvaporationLevelDensityParameter.hh
"
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G4EvaporationLevelDensityParameter::G4EvaporationLevelDensityParameter
()
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{}
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G4EvaporationLevelDensityParameter::~G4EvaporationLevelDensityParameter
()
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{}
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/*
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#include "G4ShellCorrections.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4HadronicException.hh"
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// Those values are from table 3 in
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// A.S. Iljinov et al. Nucl Phys A543 (1992) 517-557
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// Table 3. alpha, beta and gamma for Cameron Shell corrections
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// whithout collective effects. f-factor = 2.31.
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//JMQ 17-04-08 these are not used at present in G4Evaporation
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const G4double G4EvaporationLevelDensityParameter::ConstEvapLevelDensityParameter = 0.125/MeV;
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//const G4double G4EvaporationLevelDensityParameter::ConstEvapLevelDensityParameter= 0.0769231/MeV;
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const G4double G4EvaporationLevelDensityParameter::alpha = 0.072/MeV;
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const G4double G4EvaporationLevelDensityParameter::beta = 0.257/MeV;
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const G4double G4EvaporationLevelDensityParameter::gamma = 0.059/MeV;
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const G4double G4EvaporationLevelDensityParameter::Bs = 1.0;
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G4EvaporationLevelDensityParameter::G4EvaporationLevelDensityParameter()
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{
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// SPtr = G4ShellCorrections::GetInstance()->GetCameronTruranHilfShellCorrections();
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}
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G4EvaporationLevelDensityParameter::~G4EvaporationLevelDensityParameter()
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{}
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G4double
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G4EvaporationLevelDensityParameter::LevelDensityParameter(G4int A, G4int, G4double) const
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//JMQ (Apr .08) this is the method used in G4Evaporation
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{
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//JMQ 25/04/08 a=A/10 according to original Gudima's prescription
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G4double a=static_cast<G4double>(A)/10.;
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return a;
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//
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// G4int N = A - Z;
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// Asymptotic Level Density Parameter
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// G4double AsymptoticLDP = (alpha*static_cast<G4double>(A) + beta*std::pow(static_cast<G4double>(A),2./3.)*Bs)/MeV;
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// Shape of the LDP U dependence
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// G4double exponent = -gamma*U;
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// G4double f = 1.;
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// if (exponent > -300.) f -= std::exp(exponent);
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// Level Density Parameter
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// G4double a = AsymptoticLDP*(1. + ShellCorrection(Z,N)*f/U);
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// return a;
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}
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*/
G4EvaporationLevelDensityParameter::G4EvaporationLevelDensityParameter
G4EvaporationLevelDensityParameter()
Definition:
G4EvaporationLevelDensityParameter.cc:36
G4EvaporationLevelDensityParameter.hh
G4EvaporationLevelDensityParameter::~G4EvaporationLevelDensityParameter
virtual ~G4EvaporationLevelDensityParameter()
Definition:
G4EvaporationLevelDensityParameter.cc:39
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