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G4ParticleHPWattSpectrum.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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// * 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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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// neutron_hp -- source file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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// P. Arce, June-2014 Conversion neutron_hp to particle_hp
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//
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#include "
G4ParticleHPWattSpectrum.hh
"
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#include "
G4SystemOfUnits.hh
"
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G4double
G4ParticleHPWattSpectrum::Sample
(
G4double
anEnergy)
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{
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G4double
a
= theApar.
GetY
(anEnergy)*
eV
;
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G4double
b
= theBpar.
GetY
(anEnergy)/
eV
;
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G4double
result
;
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G4double
random, cut,
max
;
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max = std::sinh(std::sqrt(b*15.*a));
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G4int
icounter=0;
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G4int
icounter_max=1024;
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do
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{
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icounter++;
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if
( icounter > icounter_max ) {
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G4cout
<<
"Loop-counter exceeded the threshold value at "
<< __LINE__ <<
"th line of "
<< __FILE__ <<
"."
<<
G4endl
;
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break
;
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}
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random =
G4UniformRand
();
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result = -a*
G4Log
(random);
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cut =
G4UniformRand
();
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}
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while
(cut>std::sinh(std::sqrt(b*result))/max);
// Loop checking, 11.05.2015, T. Koi
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return
result
;
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}
result
G4double G4ParticleHPJENDLHEData::G4double result
Definition:
G4ParticleHPJENDLHEData.cc:257
a
std::vector< ExP01TrackerHit * > a
Definition:
ExP01Classes.hh:33
G4int
int G4int
Definition:
G4Types.hh:78
test.b
tuple b
Definition:
test.py:12
G4UniformRand
#define G4UniformRand()
Definition:
Randomize.hh:97
G4cout
G4GLOB_DLL std::ostream G4cout
eV
static constexpr double eV
Definition:
G4SIunits.hh:215
G4ParticleHPVector::GetY
G4double GetY(G4double x)
Definition:
G4ParticleHPVector.hh:198
G4ParticleHPWattSpectrum.hh
G4Log
G4double G4Log(G4double x)
Definition:
G4Log.hh:230
G4INCL::Math::max
T max(const T t1, const T t2)
brief Return the largest of the two arguments
Definition:
G4INCLGlobals.hh:112
G4ParticleHPWattSpectrum::Sample
G4double Sample(G4double anEnergy)
Definition:
G4ParticleHPWattSpectrum.cc:35
G4endl
#define G4endl
Definition:
G4ios.hh:61
G4double
double G4double
Definition:
G4Types.hh:76
G4SystemOfUnits.hh
source
geant4.10.03.p03
source
processes
hadronic
models
particle_hp
src
G4ParticleHPWattSpectrum.cc
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