G4hZiegler1985Nuclear Class Reference

#include <G4hZiegler1985Nuclear.hh>

Inheritance diagram for G4hZiegler1985Nuclear:

Public Member Functions
	G4hZiegler1985Nuclear ()
	~G4hZiegler1985Nuclear ()
G4double	NuclearStoppingPower (G4double kineticEnergy, G4double z1, G4double z2, G4double m1, G4double m2) const
Public Member Functions inherited from G4VhNuclearStoppingPower
	G4VhNuclearStoppingPower ()
virtual	~G4VhNuclearStoppingPower ()
void	SetNuclearStoppingFluctuationsOn ()
void	SetNuclearStoppingFluctuationsOff ()

Additional Inherited Members
Protected Attributes inherited from G4VhNuclearStoppingPower
G4bool	lossFlucFlag

Detailed Description

Definition at line 58 of file G4hZiegler1985Nuclear.hh.

Constructor & Destructor Documentation

G4hZiegler1985Nuclear::G4hZiegler1985Nuclear

(

)

Definition at line 63 of file G4hZiegler1985Nuclear.cc.

                                            :G4VhNuclearStoppingPower()
{;}

G4hZiegler1985Nuclear::~G4hZiegler1985Nuclear

(

)

Definition at line 68 of file G4hZiegler1985Nuclear.cc.

{;}

Member Function Documentation

G4double G4hZiegler1985Nuclear::NuclearStoppingPower ( G4double  kineticEnergy, G4double  z1, G4double  z2, G4double  m1, G4double  m2  ) const

virtual

Implements G4VhNuclearStoppingPower.

Definition at line 73 of file G4hZiegler1985Nuclear.cc.

References energy(), python.hepunit::keV, G4VhNuclearStoppingPower::lossFlucFlag, and G4INCL::DeJongSpin::shoot().

{  
  G4double energy = kineticEnergy/keV ;  // energy in keV
  G4double ionloss ;
  
  G4double rm = (m1 + m2Local) * ( std::pow(z1, .23) + std::pow(z2, .23))  ;

  G4double er = 32.536 * m2Local * energy / ( z1 * z2 * rm ) ;  // reduced energy

  if ( er <= 30 ) {
    ionloss = 0.5*std::log(1+1.1383*er)/
             (er+0.01312*std::pow(er,0.21226)+0.19593*std::sqrt(er)) ;

  } else {
    ionloss = 0.5*std::log(er)/er ;
  }
  
  // Stragling
  if(lossFlucFlag) {
    G4double sig = 4.0 * m1 * m2Local / ((m1 + m2Local)*(m1 + m2Local)*
                  (4.0 + 0.197*std::pow(er,-1.6991)+6.584*std::pow(er,-1.0494))) ;


    ionloss *= G4RandGauss::shoot(1.0,sig) ;
  }

  ionloss *= 8.462 * z1 * z2 * m1 / rm ; // Return to [ev/(10^15 atoms/cm^2]

  if ( ionloss < 0.0) ionloss = 0.0 ;
  
  return ionloss;
}

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

• G4hZiegler1985Nuclear.hh
• G4hZiegler1985Nuclear.cc