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27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // GEANT 4 class implementation file 28 // GEANT 4 class implementation file
29 // 29 //
30 // CERN, Geneva, Switzerland 30 // CERN, Geneva, Switzerland
31 // 31 //
32 // File name: G4KaonZeroField.cc 32 // File name: G4KaonZeroField.cc
33 // 33 //
34 // Author: Alessandro Brunengo (Al 34 // Author: Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it)
35 // 35 //
36 // Creation date: 5 June 2000 36 // Creation date: 5 June 2000
37 // ------------------------------------------- 37 // -------------------------------------------------------------------
38 <<
39 #include "G4KaonZeroField.hh" 38 #include "G4KaonZeroField.hh"
40 #include "G4PhysicalConstants.hh" <<
41 #include "G4NucleiProperties.hh" 39 #include "G4NucleiProperties.hh"
42 #include "G4VNuclearDensity.hh" 40 #include "G4VNuclearDensity.hh"
43 #include "G4FermiMomentum.hh" 41 #include "G4FermiMomentum.hh"
44 #include "G4KaonZero.hh" 42 #include "G4KaonZero.hh"
45 #include "G4HadTmpUtil.hh" 43 #include "G4HadTmpUtil.hh"
46 44
47 G4KaonZeroField::G4KaonZeroField(G4V3DNucleus 45 G4KaonZeroField::G4KaonZeroField(G4V3DNucleus * nucleus, G4double coeff)
48 : G4VNuclearField(nucleus) 46 : G4VNuclearField(nucleus)
49 { 47 {
50 theCoeff = coeff; 48 theCoeff = coeff;
51 } 49 }
52 50
53 51
54 G4KaonZeroField::~G4KaonZeroField() 52 G4KaonZeroField::~G4KaonZeroField()
55 { } 53 { }
>> 54
>> 55
>> 56 const G4KaonZeroField & G4KaonZeroField::operator=(const G4KaonZeroField &)
>> 57 {
>> 58 throw G4HadronicException(__FILE__, __LINE__, "G4KaonZeroField::operator= meant not to be accessible");
>> 59 return *this;
>> 60 }
>> 61
>> 62
>> 63 G4int G4KaonZeroField::operator==(const G4KaonZeroField &) const
>> 64 {
>> 65 throw G4HadronicException(__FILE__, __LINE__, "G4KaonZeroField::operator== meant not to be accessible");
>> 66 return 0;
>> 67 }
>> 68
>> 69
>> 70 G4int G4KaonZeroField::operator!=(const G4KaonZeroField &) const
>> 71 {
>> 72 throw G4HadronicException(__FILE__, __LINE__, "G4KaonZeroField::operator!= meant not to be accessible");
>> 73 return 1;
>> 74 }
>> 75
>> 76
56 77
57 G4double G4KaonZeroField::GetField(const G4Thr 78 G4double G4KaonZeroField::GetField(const G4ThreeVector & aPosition)
58 { 79 {
59 // Field is 0 out of the nucleus! 80 // Field is 0 out of the nucleus!
60 if(aPosition.mag() >= radius) return 0.0; 81 if(aPosition.mag() >= radius) return 0.0;
61 82
62 G4double kaonMass = G4KaonZero::KaonZero()-> 83 G4double kaonMass = G4KaonZero::KaonZero()->GetPDGMass();
63 84
64 G4int A = theNucleus->GetMassNumber(); 85 G4int A = theNucleus->GetMassNumber();
65 G4int Z = theNucleus->GetCharge(); 86 G4int Z = theNucleus->GetCharge();
66 G4double bindingEnergy = G4NucleiProperties: 87 G4double bindingEnergy = G4NucleiProperties::GetBindingEnergy(A, Z);
67 G4double nucleusMass = Z*proton_mass_c2+(A-Z 88 G4double nucleusMass = Z*proton_mass_c2+(A-Z)*neutron_mass_c2+bindingEnergy;
68 G4double reducedMass = kaonMass*nucleusMass/ 89 G4double reducedMass = kaonMass*nucleusMass/(kaonMass+nucleusMass);
69 90
70 G4double density = theNucleus->GetNuclearDen 91 G4double density = theNucleus->GetNuclearDensity()->GetDensity(aPosition);
71 92
72 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)* 93 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*theCoeff*density;
73 } 94 }
74 95
75 G4double G4KaonZeroField::GetBarrier() 96 G4double G4KaonZeroField::GetBarrier()
76 { 97 {
77 return 0; 98 return 0;
78 } 99 }
79 100
80 101
81 102
82 103
83 104
84 105