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G4DeltaAngleFreeScat.cc
Go to the documentation of this file.
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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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{}
G4ThreeVector
CLHEP::Hep3Vector G4ThreeVector
Definition:
G4ThreeVector.hh:42
G4DynamicParticle::GetTotalEnergy
G4double GetTotalEnergy() const
G4DeltaAngleFreeScat::~G4DeltaAngleFreeScat
virtual ~G4DeltaAngleFreeScat()
Definition:
G4DeltaAngleFreeScat.cc:60
G4Material
Definition:
G4Material.hh:120
G4DynamicParticle
Definition:
G4DynamicParticle.hh:73
std
G4DeltaAngleFreeScat::SampleDirection
virtual G4ThreeVector & SampleDirection(const G4DynamicParticle *dp, G4double kinEnergyFinal, G4int Z, const G4Material *mat=0)
Definition:
G4DeltaAngleFreeScat.cc:64
G4int
int G4int
Definition:
G4Types.hh:78
G4DynamicParticle::GetTotalMomentum
G4double GetTotalMomentum() const
G4DeltaAngleFreeScat::PrintGeneratorInformation
void PrintGeneratorInformation() const
Definition:
G4DeltaAngleFreeScat.cc:83
G4UniformRand
#define G4UniformRand()
Definition:
Randomize.hh:97
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
twopi
static const double twopi
Definition:
G4SIunits.hh:75
Randomize.hh
G4DeltaAngleFreeScat::G4DeltaAngleFreeScat
G4DeltaAngleFreeScat(const G4String &name="")
Definition:
G4DeltaAngleFreeScat.cc:56
G4PhysicalConstants.hh
G4DeltaAngleFreeScat.hh
G4VEmAngularDistribution
Definition:
G4VEmAngularDistribution.hh:60
G4VEmAngularDistribution::fLocalDirection
G4ThreeVector fLocalDirection
Definition:
G4VEmAngularDistribution.hh:90
G4double
double G4double
Definition:
G4Types.hh:76
G4String
Definition:
G4String.hh:45
geant4.10.02.p02
source
processes
electromagnetic
standard
src
G4DeltaAngleFreeScat.cc
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