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G4KaonZeroField.cc
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27 // -------------------------------------------------------------------
28 // GEANT 4 class implementation file
29 //
30 // CERN, Geneva, Switzerland
31 //
32 // File name: G4KaonZeroField.cc
33 //
34 // Author: Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it)
35 //
36 // Creation date: 5 June 2000
37 // -------------------------------------------------------------------
38 
39 #include "G4KaonZeroField.hh"
40 #include "G4PhysicalConstants.hh"
41 #include "G4NucleiProperties.hh"
42 #include "G4VNuclearDensity.hh"
43 #include "G4FermiMomentum.hh"
44 #include "G4KaonZero.hh"
45 #include "G4HadTmpUtil.hh"
46 
48  : G4VNuclearField(nucleus)
49 {
50  theCoeff = coeff;
51 }
52 
53 
55 { }
56 
58 {
59 // Field is 0 out of the nucleus!
60  if(aPosition.mag() >= radius) return 0.0;
61 
63 
67  G4double nucleusMass = Z*proton_mass_c2+(A-Z)*neutron_mass_c2+bindingEnergy;
68  G4double reducedMass = kaonMass*nucleusMass/(kaonMass+nucleusMass);
69 
70  G4double density = theNucleus->GetNuclearDensity()->GetDensity(aPosition);
71 
72  return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*theCoeff*density;
73 }
74 
76 {
77  return 0;
78 }
79 
80 
81 
82 
83 
static G4KaonZero * KaonZero()
Definition: G4KaonZero.cc:104
virtual G4double GetField(const G4ThreeVector &aPosition)
virtual G4int GetCharge()=0
virtual const G4VNuclearDensity * GetNuclearDensity() const =0
virtual G4int GetMassNumber()=0
int G4int
Definition: G4Types.hh:78
double A(double temperature)
float proton_mass_c2
Definition: hepunit.py:275
virtual G4double GetBarrier()
G4KaonZeroField(G4V3DNucleus *nucleus, G4double coeff=0.35 *CLHEP::fermi)
float neutron_mass_c2
Definition: hepunit.py:276
const G4double radius
G4double GetPDGMass() const
G4double GetDensity(const G4ThreeVector &aPosition) const
static G4double GetBindingEnergy(const G4int A, const G4int Z)
G4V3DNucleus * theNucleus
virtual ~G4KaonZeroField()
static constexpr double pi
Definition: G4SIunits.hh:75
double G4double
Definition: G4Types.hh:76
G4double bindingEnergy(G4int A, G4int Z)
double mag() const