G4GammaXTRadiator Class Reference

#include <G4GammaXTRadiator.hh>

Inheritance diagram for G4GammaXTRadiator:

Public Member Functions
	G4GammaXTRadiator (G4LogicalVolume *anEnvelope, G4double, G4double, G4Material *, G4Material *, G4double, G4double, G4int, const G4String &processName="XTRgammaRadiator")
	~G4GammaXTRadiator ()
G4double	GetStackFactor (G4double energy, G4double gamma, G4double varAngle)

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Detailed Description

Definition at line 57 of file G4GammaXTRadiator.hh.

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Constructor & Destructor Documentation

G4GammaXTRadiator::G4GammaXTRadiator	(	G4LogicalVolume *	anEnvelope,
		G4double	,
		G4double	,
		G4Material *	,
		G4Material *	,
		G4double	,
		G4double	,
		G4int	,
		const G4String &	processName = "XTRgammaRadiator"
	)

Definition at line 41 of file G4GammaXTRadiator.cc.

References G4VXTRenergyLoss::fAlphaGas, G4VXTRenergyLoss::fAlphaPlate, G4cout, and G4endl.

                                                                  :
  G4VXTRenergyLoss(anEnvelope,foilMat,gasMat,a,b,n,processName)
{
  G4cout<<"Gammma distributed X-ray TR radiator model is called"<<G4endl ;

  // Build energy and angular integral spectra of X-ray TR photons from
  // a radiator

  fAlphaPlate = alphaPlate ;
  fAlphaGas   = alphaGas   ;
  G4cout<<"fAlphaPlate = "<<fAlphaPlate<<" ; fAlphaGas = "<<fAlphaGas<<G4endl ;

  // BuildTable() ;
}

G4GammaXTRadiator::~G4GammaXTRadiator

(

)

Definition at line 63 of file G4GammaXTRadiator.cc.

{
  ;
}

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Member Function Documentation

G4double G4GammaXTRadiator::GetStackFactor	(	G4double	energy,
		G4double	gamma,
		G4double	varAngle
	)			[virtual]

Reimplemented from G4VXTRenergyLoss.

Definition at line 79 of file G4GammaXTRadiator.cc.

References G4VXTRenergyLoss::fAlphaGas, G4VXTRenergyLoss::fAlphaPlate, G4VXTRenergyLoss::fGasThick, G4VXTRenergyLoss::fPlateNumber, G4VXTRenergyLoss::fPlateThick, G4VXTRenergyLoss::GetGasFormationZone(), G4VXTRenergyLoss::GetGasLinearPhotoAbs(), G4VXTRenergyLoss::GetPlateFormationZone(), G4VXTRenergyLoss::GetPlateLinearPhotoAbs(), and G4VXTRenergyLoss::OneInterfaceXTRdEdx().

{
  G4double result, Za, Zb, Ma, Mb ;
  
  Za = GetPlateFormationZone(energy,gamma,varAngle) ;
  Zb = GetGasFormationZone(energy,gamma,varAngle) ;

  Ma = GetPlateLinearPhotoAbs(energy) ;
  Mb = GetGasLinearPhotoAbs(energy) ;


  G4complex Ca(1.0+0.5*fPlateThick*Ma/fAlphaPlate,fPlateThick/Za/fAlphaPlate) ; 
  G4complex Cb(1.0+0.5*fGasThick*Mb/fAlphaGas,fGasThick/Zb/fAlphaGas) ; 

  G4complex Ha = std::pow(Ca,-fAlphaPlate) ;  
  G4complex Hb = std::pow(Cb,-fAlphaGas) ;
  G4complex H  = Ha*Hb ;

  G4complex F1 =   (1.0 - Ha)*(1.0 - Hb )/(1.0 - H)
                 * G4double(fPlateNumber) ;

  G4complex F2 =   (1.0-Ha)*(1.0-Ha)*Hb/(1.0-H)/(1.0-H)
                 * (1.0 - std::pow(H,fPlateNumber)) ;

  G4complex R  = (F1 + F2)*OneInterfaceXTRdEdx(energy,gamma,varAngle) ;

  result       = 2.0*std::real(R) ;
  
  return      result ;
}

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The documentation for this class was generated from the following files:

• G4GammaXTRadiator.hh
• G4GammaXTRadiator.cc

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