Geant4-11
Public Member Functions | Protected Attributes | Private Member Functions | Private Attributes
G4SigmaMinusField Class Reference

#include <G4SigmaMinusField.hh>

Inheritance diagram for G4SigmaMinusField:
G4VNuclearField

Public Member Functions

 G4SigmaMinusField (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 ~G4SigmaMinusField ()
 

Protected Attributes

const G4double radius
 
G4V3DNucleus * theNucleus
 

Private Member Functions

 G4SigmaMinusField (const G4SigmaMinusField &right)
 
G4bool operator!= (const G4SigmaMinusField &right) const
 
const G4SigmaMinusField & operator= (const G4SigmaMinusField &right)
 
G4bool operator== (const G4SigmaMinusField &right) const
 

Private Attributes

G4double theCoeff
 

Detailed Description

Definition at line 46 of file G4SigmaMinusField.hh.

Constructor & Destructor Documentation

◆ G4SigmaMinusField() [1/2]

G4SigmaMinusField::G4SigmaMinusField ( G4V3DNucleus *  nucleus,
G4double  coeff = 0.36*CLHEP::fermi 
)

Definition at line 49 of file G4SigmaMinusField.cc.

50 : G4VNuclearField(nucleus)
51{
52 theCoeff = coeff;
53}
G4VNuclearField::G4VNuclearField
G4VNuclearField(G4V3DNucleus *aNucleus=0)
Definition: G4VNuclearField.cc:42

References theCoeff.

◆ ~G4SigmaMinusField()

G4SigmaMinusField::~G4SigmaMinusField ( )
virtual

Definition at line 55 of file G4SigmaMinusField.cc.

56{ }

◆ G4SigmaMinusField() [2/2]

G4SigmaMinusField::G4SigmaMinusField ( const G4SigmaMinusField &  right)
private

Member Function Documentation

◆ GetBarrier()

G4double G4SigmaMinusField::GetBarrier ( )
virtual

Implements G4VNuclearField.

Definition at line 77 of file G4SigmaMinusField.cc.

78{
79 G4double A = theNucleus->GetMassNumber();
80 G4double Z = theNucleus->GetCharge();
81 G4double coulombBarrier = (1.44/1.14) * MeV * Z / (1.0 + G4Pow::GetInstance()->A13(A));
82 return -coulombBarrier;
83}
MeV
static constexpr double MeV
Definition: G4SIunits.hh:200
G4double
double G4double
Definition: G4Types.hh:83
Z
const G4int Z[17]
Definition: G4WaterStopping.cc:51
A
const G4double A[17]
Definition: G4WaterStopping.cc:53
G4Pow::GetInstance
static G4Pow * GetInstance()
Definition: G4Pow.cc:41
G4Pow::A13
G4double A13(G4double A) const
Definition: G4Pow.cc:120
G4V3DNucleus::GetCharge
virtual G4int GetCharge()=0
G4V3DNucleus::GetMassNumber
virtual G4int GetMassNumber()=0
G4VNuclearField::theNucleus
G4V3DNucleus * theNucleus
Definition: G4VNuclearField.hh:47

References A, G4Pow::A13(), G4V3DNucleus::GetCharge(), G4Pow::GetInstance(), G4V3DNucleus::GetMassNumber(), MeV, G4VNuclearField::theNucleus, and Z.

Referenced by GetField().

◆ GetCoeff()

virtual G4double G4SigmaMinusField::GetCoeff ( )
inlinevirtual

Reimplemented from G4VNuclearField.

Definition at line 61 of file G4SigmaMinusField.hh.

61{ return theCoeff; }

References theCoeff.

◆ GetField()

G4double G4SigmaMinusField::GetField ( const G4ThreeVector &  aPosition)
virtual

Implements G4VNuclearField.

Definition at line 58 of file G4SigmaMinusField.cc.

59{
60// Field is 0 out of the nucleus!
61 if(aPosition.mag() >= radius) return 0.0;
62
63 G4double sigmaMinusMass = G4SigmaMinus::SigmaMinus()->GetPDGMass();
64
65 G4int A = theNucleus->GetMassNumber();
66 G4int Z = theNucleus->GetCharge();
67 G4double bindingEnergy = G4NucleiProperties::GetBindingEnergy(A, Z);
68 G4double nucleusMass = Z*proton_mass_c2+(A-Z)*neutron_mass_c2+bindingEnergy;
69 G4double reducedMass = sigmaMinusMass*nucleusMass/(sigmaMinusMass+nucleusMass);
70
71 const G4VNuclearDensity * nuclearDensity=theNucleus->GetNuclearDensity();
72 G4double density = nuclearDensity->GetDensity(aPosition);
73
74 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*theCoeff*density+GetBarrier();
75}
pi
static constexpr double pi
Definition: G4SIunits.hh:55
G4int
int G4int
Definition: G4Types.hh:85
CLHEP::Hep3Vector::mag
double mag() const
G4NucleiProperties::GetBindingEnergy
static G4double GetBindingEnergy(const G4int A, const G4int Z)
Definition: G4NucleiProperties.cc:246
G4SigmaMinusField::GetBarrier
virtual G4double GetBarrier()
Definition: G4SigmaMinusField.cc:77
G4SigmaMinus::SigmaMinus
static G4SigmaMinus * SigmaMinus()
Definition: G4SigmaMinus.cc:105
G4V3DNucleus::GetNuclearDensity
virtual const G4VNuclearDensity * GetNuclearDensity() const =0
G4VNuclearDensity::GetDensity
G4double GetDensity(const G4ThreeVector &aPosition) const
Definition: G4VNuclearDensity.hh:42
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(), GetBarrier(), 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, G4SigmaMinus::SigmaMinus(), theCoeff, G4VNuclearField::theNucleus, and Z.

◆ operator!=()

G4bool G4SigmaMinusField::operator!= ( const G4SigmaMinusField &  right) const
private

◆ operator=()

const G4SigmaMinusField & G4SigmaMinusField::operator= ( const G4SigmaMinusField &  right)
private

◆ operator==()

G4bool G4SigmaMinusField::operator== ( const G4SigmaMinusField &  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(), GetField(), G4SigmaPlusField::GetField(), and G4SigmaZeroField::GetField().

◆ theCoeff

G4double G4SigmaMinusField::theCoeff
private

Definition at line 64 of file G4SigmaMinusField.hh.

Referenced by G4SigmaMinusField(), 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(), GetBarrier(), G4SigmaPlusField::GetBarrier(), G4AntiProtonField::GetField(), G4KaonMinusField::GetField(), G4KaonPlusField::GetField(), G4KaonZeroField::GetField(), G4PionMinusField::GetField(), G4PionPlusField::GetField(), G4PionZeroField::GetField(), GetField(), G4SigmaPlusField::GetField(), G4SigmaZeroField::GetField(), and G4VNuclearField::SetNucleus().

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