| Geant4 Cross Reference |
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25 //
26 //
27 //
28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara
30
31 #include "G4StatMFMacroNucleon.hh"
32 #include "G4PhysicalConstants.hh"
33 #include "G4SystemOfUnits.hh"
34 #include "G4Log.hh"
35 #include "G4Exp.hh"
36
37 G4StatMFMacroNucleon::G4StatMFMacroNucleon()
38 : G4VStatMFMacroCluster(1), _NeutronMeanMult
39 _ProtonMeanMultiplicity(0.0)
40 {}
41
42 G4StatMFMacroNucleon::~G4StatMFMacroNucleon()
43 {}
44
45 G4double
46 G4StatMFMacroNucleon::CalcMeanMultiplicity(con
47 const G4double mu,
48 const G4double nu, const G4double
49 {
50 if (T <= 0.0) {
51 throw G4HadronicException(__FILE__, __LINE
52 "G4StatMFMacroNucleon::CalcMeanMul
53 }
54
55 G4double ThermalWaveLenght = 16.15*fermi/std
56
57 G4double lambda3 = ThermalWaveLenght*Thermal
58
59 static const G4double degeneracy = 2.0;
60
61 G4double exponent_proton = (mu + nu - G4Stat
62 G4double exponent_neutron = mu/T;
63
64 if (exponent_neutron > 300.0) exponent_neutr
65 if (exponent_proton > 300.0) exponent_proton
66
67 _NeutronMeanMultiplicity =
68 (degeneracy*FreeVol/lambda3)*G4Exp(exponen
69
70 _ProtonMeanMultiplicity =
71 (degeneracy*FreeVol/lambda3)*G4Exp(exponen
72
73 return _MeanMultiplicity = _NeutronMeanMulti
74 }
75
76
77 G4double G4StatMFMacroNucleon::CalcEnergy(cons
78 {
79 return _Energy = G4StatMFParameters::GetCoul
80 }
81
82 G4double
83 G4StatMFMacroNucleon::CalcEntropy(const G4doub
84 {
85 G4double ThermalWaveLenght = 16.15*fermi/std
86 G4double lambda3 = ThermalWaveLenght*Thermal
87
88 G4double NeutronEntropy = 0.0;
89 if (_NeutronMeanMultiplicity > 0.0)
90 NeutronEntropy = _NeutronMeanMultiplicity*
91 (lambda3*_NeutronMeanMultiplicity)))
92
93 G4double ProtonEntropy = 0.0;
94 if (_ProtonMeanMultiplicity > 0.0)
95 ProtonEntropy = _ProtonMeanMultiplicity*(2
96 (lambda3*_ProtonMeanMultiplicity)));
97
98 return NeutronEntropy+ProtonEntropy;
99 }
100
101