Geant4-11
Public Member Functions | Protected Attributes | Private Member Functions | Private Attributes
G4SigmaZeroField Class Reference

#include <G4SigmaZeroField.hh>

Inheritance diagram for G4SigmaZeroField:
G4VNuclearField

Public Member Functions

 G4SigmaZeroField (G4V3DNucleus *nucleus, G4double coeff=0.36 *CLHEP::fermi)
 
virtual G4double GetBarrier ()
 
virtual G4double GetCoeff ()
 
virtual G4double GetField (const G4ThreeVector &aPosition)
 
void SetNucleus (G4V3DNucleus *aNucleus)
 
virtual ~G4SigmaZeroField ()
 

Protected Attributes

const G4double radius
 
G4V3DNucleus * theNucleus
 

Private Member Functions

 G4SigmaZeroField (const G4SigmaZeroField &right)
 
G4bool operator!= (const G4SigmaZeroField &right) const
 
const G4SigmaZeroField & operator= (const G4SigmaZeroField &right)
 
G4bool operator== (const G4SigmaZeroField &right) const
 

Private Attributes

G4double theCoeff
 

Detailed Description

Definition at line 46 of file G4SigmaZeroField.hh.

Constructor & Destructor Documentation

◆ G4SigmaZeroField() [1/2]

G4SigmaZeroField::G4SigmaZeroField ( G4V3DNucleus *  nucleus,
G4double  coeff = 0.36*CLHEP::fermi 
)

Definition at line 47 of file G4SigmaZeroField.cc.

48 : G4VNuclearField(nucleus)
49{
50 theCoeff = coeff;
51}
G4VNuclearField::G4VNuclearField
G4VNuclearField(G4V3DNucleus *aNucleus=0)
Definition: G4VNuclearField.cc:42

References theCoeff.

◆ ~G4SigmaZeroField()

G4SigmaZeroField::~G4SigmaZeroField ( )
virtual

Definition at line 53 of file G4SigmaZeroField.cc.

54{ }

◆ G4SigmaZeroField() [2/2]

G4SigmaZeroField::G4SigmaZeroField ( const G4SigmaZeroField &  right)
private

Member Function Documentation

◆ GetBarrier()

G4double G4SigmaZeroField::GetBarrier ( )
virtual

Implements G4VNuclearField.

Definition at line 76 of file G4SigmaZeroField.cc.

77{
78 return 0.;
79}

◆ GetCoeff()

virtual G4double G4SigmaZeroField::GetCoeff ( )
inlinevirtual

Reimplemented from G4VNuclearField.

Definition at line 61 of file G4SigmaZeroField.hh.

61{ return theCoeff; }

References theCoeff.

◆ GetField()

G4double G4SigmaZeroField::GetField ( const G4ThreeVector &  aPosition)
virtual

Implements G4VNuclearField.

Definition at line 56 of file G4SigmaZeroField.cc.

57{
58// Field is 0 out of the nucleus!
59 if(aPosition.mag() >= radius) return 0.0;
60
61 G4double sigmaZeroMass = G4SigmaZero::SigmaZero()->GetPDGMass();
62
63 G4int A = theNucleus->GetMassNumber();
64 G4int Z = theNucleus->GetCharge();
65 G4double bindingEnergy = G4NucleiProperties::GetBindingEnergy(A, Z);
66 G4double nucleusMass = Z*proton_mass_c2+(A-Z)*neutron_mass_c2+bindingEnergy;
67 G4double reducedMass = sigmaZeroMass*nucleusMass/(sigmaZeroMass+nucleusMass);
68
69 const G4VNuclearDensity * nuclearDensity=theNucleus->GetNuclearDensity();
70 G4double density = nuclearDensity->GetDensity(aPosition);
71
72 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*theCoeff*density;
73}
pi
static constexpr double pi
Definition: G4SIunits.hh:55
G4double
double G4double
Definition: G4Types.hh:83
G4int
int G4int
Definition: G4Types.hh:85
Z
const G4int Z[17]
Definition: G4WaterStopping.cc:51
A
const G4double A[17]
Definition: G4WaterStopping.cc:53
CLHEP::Hep3Vector::mag
double mag() const
G4NucleiProperties::GetBindingEnergy
static G4double GetBindingEnergy(const G4int A, const G4int Z)
Definition: G4NucleiProperties.cc:246
G4SigmaZero::SigmaZero
static G4SigmaZero * SigmaZero()
Definition: G4SigmaZero.cc:101
G4V3DNucleus::GetNuclearDensity
virtual const G4VNuclearDensity * GetNuclearDensity() const =0
G4V3DNucleus::GetCharge
virtual G4int GetCharge()=0
G4V3DNucleus::GetMassNumber
virtual G4int GetMassNumber()=0
G4VNuclearDensity::GetDensity
G4double GetDensity(const G4ThreeVector &aPosition) const
Definition: G4VNuclearDensity.hh:42
G4VNuclearField::theNucleus
G4V3DNucleus * theNucleus
Definition: G4VNuclearField.hh:47
G4VNuclearField::radius
const G4double radius
Definition: G4VNuclearField.hh:48
G4InuclSpecialFunctions::bindingEnergy
G4double bindingEnergy(G4int A, G4int Z)
Definition: bindingEnergy.cc:36
source.hepunit.proton_mass_c2
float proton_mass_c2
Definition: hepunit.py:274
source.hepunit.hbarc
float hbarc
Definition: hepunit.py:264
source.hepunit.neutron_mass_c2
float neutron_mass_c2
Definition: hepunit.py:275

References A, G4InuclSpecialFunctions::bindingEnergy(), G4NucleiProperties::GetBindingEnergy(), G4V3DNucleus::GetCharge(), G4VNuclearDensity::GetDensity(), G4V3DNucleus::GetMassNumber(), G4V3DNucleus::GetNuclearDensity(), G4ParticleDefinition::GetPDGMass(), source.hepunit::hbarc, CLHEP::Hep3Vector::mag(), source.hepunit::neutron_mass_c2, pi, source.hepunit::proton_mass_c2, G4VNuclearField::radius, G4SigmaZero::SigmaZero(), theCoeff, G4VNuclearField::theNucleus, and Z.

◆ operator!=()

G4bool G4SigmaZeroField::operator!= ( const G4SigmaZeroField &  right) const
private

◆ operator=()

const G4SigmaZeroField & G4SigmaZeroField::operator= ( const G4SigmaZeroField &  right)
private

◆ operator==()

G4bool G4SigmaZeroField::operator== ( const G4SigmaZeroField &  right) const
private

◆ SetNucleus()

void G4VNuclearField::SetNucleus ( G4V3DNucleus *  aNucleus)
inlineinherited

Definition at line 61 of file G4VNuclearField.hh.

62{
63 theNucleus = aNucleus;
64}

References G4VNuclearField::theNucleus.

Field Documentation

◆ radius

const G4double G4VNuclearField::radius
protectedinherited

Definition at line 48 of file G4VNuclearField.hh.

Referenced by G4AntiProtonField::GetField(), G4KaonMinusField::GetField(), G4KaonPlusField::GetField(), G4KaonZeroField::GetField(), G4PionMinusField::GetField(), G4PionPlusField::GetField(), G4PionZeroField::GetField(), G4SigmaMinusField::GetField(), G4SigmaPlusField::GetField(), and GetField().

◆ theCoeff

G4double G4SigmaZeroField::theCoeff
private

Definition at line 64 of file G4SigmaZeroField.hh.

Referenced by G4SigmaZeroField(), GetCoeff(), and GetField().

◆ theNucleus

G4V3DNucleus* G4VNuclearField::theNucleus
protectedinherited

Definition at line 47 of file G4VNuclearField.hh.

Referenced by G4NeutronField::G4NeutronField(), G4ProtonField::G4ProtonField(), G4AntiProtonField::GetBarrier(), G4KaonMinusField::GetBarrier(), G4KaonPlusField::GetBarrier(), G4PionMinusField::GetBarrier(), G4PionPlusField::GetBarrier(), G4SigmaMinusField::GetBarrier(), G4SigmaPlusField::GetBarrier(), G4AntiProtonField::GetField(), G4KaonMinusField::GetField(), G4KaonPlusField::GetField(), G4KaonZeroField::GetField(), G4PionMinusField::GetField(), G4PionPlusField::GetField(), G4PionZeroField::GetField(), G4SigmaMinusField::GetField(), G4SigmaPlusField::GetField(), GetField(), and G4VNuclearField::SetNucleus().

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