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source
processes
electromagnetic
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src
G4DeltaAngleFreeScat.cc
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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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// * 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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// $Id: G4DeltaAngleFreeScat.cc 68380 2013-03-22 18:39:29Z vnivanch $
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//
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// -------------------------------------------------------------------
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//
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// GEANT4 Class file
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//
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//
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// File name: G4DeltaAngleFreeScat
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//
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// Author: Vladimir Ivantcheko
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//
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// Creation date: 23 August 2013
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//
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// Modifications:
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//
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// Class Description:
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//
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// Delta-electron Angular Distribution Generation
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//
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// Class Description: End
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//
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// -------------------------------------------------------------------
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//
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#include "
G4DeltaAngleFreeScat.hh
"
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#include "
G4PhysicalConstants.hh
"
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#include "
Randomize.hh
"
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using namespace
std;
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G4DeltaAngleFreeScat::G4DeltaAngleFreeScat
(
const
G4String
&)
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:
G4VEmAngularDistribution
(
"deltaFree"
)
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{}
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G4DeltaAngleFreeScat::~G4DeltaAngleFreeScat
()
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{}
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G4ThreeVector
&
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G4DeltaAngleFreeScat::SampleDirection
(
const
G4DynamicParticle
* dp,
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G4double
kinEnergyFinal,
G4int
,
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const
G4Material
*)
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{
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G4double
deltaMomentum =
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sqrt(kinEnergyFinal*(kinEnergyFinal + 2*
electron_mass_c2
));
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G4double
costet = kinEnergyFinal*(dp->
GetTotalEnergy
() +
electron_mass_c2
) /
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(deltaMomentum * dp->
GetTotalMomentum
());
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G4double
phi =
G4UniformRand
()*
twopi
;
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G4double
sintet = sqrt((1 - costet)*(1 + costet));
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fLocalDirection
.
set
(sintet*cos(phi), sintet*sin(phi), costet);
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fLocalDirection
.
rotateUz
(dp->
GetMomentumDirection
());
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return
fLocalDirection
;
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}
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void
G4DeltaAngleFreeScat::PrintGeneratorInformation
()
const
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{}
G4DeltaAngleFreeScat::G4DeltaAngleFreeScat
G4DeltaAngleFreeScat(const G4String &name="")
Definition:
G4DeltaAngleFreeScat.cc:56
CLHEP::Hep3Vector::set
void set(double x, double y, double z)
G4PhysicalConstants.hh
G4DeltaAngleFreeScat::PrintGeneratorInformation
virtual void PrintGeneratorInformation() const final
Definition:
G4DeltaAngleFreeScat.cc:83
G4DeltaAngleFreeScat::SampleDirection
virtual G4ThreeVector & SampleDirection(const G4DynamicParticle *dp, G4double kinEnergyFinal, G4int Z, const G4Material *mat=nullptr) final
Definition:
G4DeltaAngleFreeScat.cc:64
G4DeltaAngleFreeScat::~G4DeltaAngleFreeScat
virtual ~G4DeltaAngleFreeScat()
Definition:
G4DeltaAngleFreeScat.cc:60
Randomize.hh
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4Material
Definition:
G4Material.hh:121
G4String
Definition:
examples/extended/parallel/TopC/ParN02/AnnotatedFiles/G4String.hh:45
G4DynamicParticle
Definition:
G4DynamicParticle.hh:73
CLHEP::Hep3Vector::rotateUz
Hep3Vector & rotateUz(const Hep3Vector &)
Definition:
ThreeVector.cc:38
G4DeltaAngleFreeScat.hh
G4double
double G4double
Definition:
G4Types.hh:76
CLHEP::electron_mass_c2
static constexpr double electron_mass_c2
Definition:
PhysicalConstants.h:79
G4UniformRand
#define G4UniformRand()
Definition:
Randomize.hh:53
twopi
static constexpr double twopi
Definition:
G4SIunits.hh:76
CLHEP::Hep3Vector
Definition:
ThreeVector.h:41
G4int
int G4int
Definition:
G4Types.hh:78
G4VEmAngularDistribution::fLocalDirection
G4ThreeVector fLocalDirection
Definition:
G4VEmAngularDistribution.hh:98
G4DynamicParticle::GetTotalMomentum
G4double GetTotalMomentum() const
G4DynamicParticle::GetTotalEnergy
G4double GetTotalEnergy() const
G4VEmAngularDistribution
Definition:
G4VEmAngularDistribution.hh:60
다음에 의해 생성됨 :
1.8.5