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9.6.p02
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geant4_9_6_p02
source
processes
hadronic
models
inclxx
incl_physics
include
G4INCLNDFGaussian.hh
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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// * 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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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// INCL++ intra-nuclear cascade model
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// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
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// Davide Mancusi, CEA
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// Alain Boudard, CEA
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// Sylvie Leray, CEA
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// Joseph Cugnon, University of Liege
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//
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#define INCLXX_IN_GEANT4_MODE 1
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#include "
globals.hh
"
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#ifndef G4INCLNDFGAUSSIAN_HH_
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#define G4INCLNDFGAUSSIAN_HH_
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#include "
G4INCLIFunction1D.hh
"
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#include <cmath>
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namespace
G4INCL {
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namespace
NuclearDensityFunctions {
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class
GaussianRP
:
public
IFunction1D
{
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public
:
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GaussianRP
(
G4double
maximumRadius,
G4double
standardDeviation) :
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IFunction1D
(0., maximumRadius),
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theStandardDeviation
(standardDeviation)
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{}
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inline
G4double
operator()
(
const
G4double
r
)
const
{
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const
G4double
arg = std::pow((r/
theStandardDeviation
),2);
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return
r*r*arg*std::exp(-arg/2.0);
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}
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protected
:
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G4double
theStandardDeviation
;
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};
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class
Gaussian
:
public
IFunction1D
{
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public
:
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Gaussian
(
G4double
maximumRadius,
G4double
standardDeviation) :
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IFunction1D
(0., maximumRadius),
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theStandardDeviation
(standardDeviation),
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normalisation
(std::sqrt(2./Math::
pi
)/
theStandardDeviation
)
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{}
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inline
G4double
operator()
(
const
G4double
r
)
const
{
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const
G4double
arg = std::pow((r/
theStandardDeviation
),2);
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return
normalisation
* arg * std::exp(-arg/2.0);
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}
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protected
:
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G4double
theStandardDeviation
;
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const
G4double
normalisation
;
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};
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}
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}
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#endif // G4INCLNDFGAUSSIAN_HH_
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