G4AlphaGEMCoulombBarrier Class Reference

#include <G4AlphaGEMCoulombBarrier.hh>

Inheritance diagram for G4AlphaGEMCoulombBarrier:

Public Member Functions
	G4AlphaGEMCoulombBarrier ()
	~G4AlphaGEMCoulombBarrier ()
G4double	BarrierPenetrationFactor (G4double aZ) const
Public Member Functions inherited from G4GEMCoulombBarrier
	G4GEMCoulombBarrier (G4int anA, G4int aZ)
virtual	~G4GEMCoulombBarrier ()
G4double	GetCoulombBarrier (G4int ARes, G4int ZRes, G4double U) const
G4double	CalcCompoundRadius (G4int ARes) const
Public Member Functions inherited from G4VCoulombBarrier
	G4VCoulombBarrier (G4int anA, G4int aZ)
virtual	~G4VCoulombBarrier ()
G4int	GetA (void) const
G4int	GetZ (void) const

Detailed Description

Definition at line 38 of file G4AlphaGEMCoulombBarrier.hh.

Constructor & Destructor Documentation

G4AlphaGEMCoulombBarrier::G4AlphaGEMCoulombBarrier ( )

inline

Definition at line 41 of file G4AlphaGEMCoulombBarrier.hh.

: G4GEMCoulombBarrier(4,2) {};

G4AlphaGEMCoulombBarrier::~G4AlphaGEMCoulombBarrier ( )

inline

Definition at line 42 of file G4AlphaGEMCoulombBarrier.hh.

{};

Member Function Documentation

G4double G4AlphaGEMCoulombBarrier::BarrierPenetrationFactor ( G4double  aZ ) const

inlinevirtual

Reimplemented from G4GEMCoulombBarrier.

Definition at line 52 of file G4AlphaGEMCoulombBarrier.hh.

  {
    // Data comes from 
    // Dostrovsky, Fraenkel and Friedlander
    // Physical Review, vol 116, num. 3 1959
    // (JMQ 190709: according to notes added on proof)
    // dataKa = {{20, 0.81}, {30, 0.85}, {40, 0.89}, {50, 0.93}};
    //
    G4double K = 1.0;   
    if (aZ >= 50){
      K=0.93;     
    } else if (aZ <= 20) {
      K=0.81; 
    } else K=0.729802+0.00402544*aZ-1.17276*1e-6*aZ*aZ+2.31248*1e-8*aZ*aZ*aZ-1.65177*1e-10*aZ*aZ*aZ*aZ; 
    return K;
  }

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

• G4AlphaGEMCoulombBarrier.hh