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26 //
27 //
28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara
30
31 #include "G4StatMFMacroTetraNucleon.hh"
32 #include "G4PhysicalConstants.hh"
33 #include "G4SystemOfUnits.hh"
34 #include "G4Log.hh"
35 #include "G4Exp.hh"
36 #include "G4Pow.hh"
37
38 G4StatMFMacroTetraNucleon::G4StatMFMacroTetraN
39 : G4VStatMFMacroCluster(4)
40 {}
41
42 G4StatMFMacroTetraNucleon::~G4StatMFMacroTetra
43 {}
44
45 G4double
46 G4StatMFMacroTetraNucleon::CalcMeanMultiplicit
47 const G4double mu,
48 const G4double nu,
49 const G4double T)
50 {
51 G4double ThermalWaveLenght = 16.15*fermi/std
52 G4double lambda3 = ThermalWaveLenght*Thermal
53 static const G4double degeneracy = 1; // He
54
55 //old value was 30.11*MeV
56 G4double BindingE = G4NucleiProperties::GetB
57
58 G4double exponent = (BindingE + theA*(mu+nu*
59 - G4StatMFParameters::GetCoulomb()*
60 theA*G4Pow::GetInstance()->Z23(theA
61 if (exponent > 300.0) exponent = 300.0;
62
63 _MeanMultiplicity = ( degeneracy*FreeVol*the
64 G4Exp(exponent);
65
66 return _MeanMultiplicity;
67 }
68
69 G4double G4StatMFMacroTetraNucleon::CalcEnergy
70 {
71 return _Energy = -G4NucleiProperties::GetBin
72 G4StatMFParameters::GetCoulomb() * theZARa
73 theA*G4Pow::GetInstance()->Z23(theA) +
74 1.5 * T + theA * T*T/_InvLevelDensity;
75 }
76
77 G4double
78 G4StatMFMacroTetraNucleon::CalcEntropy(const G
79 const G4double FreeVol)
80 {
81 G4double Entropy = 0.0;
82 if (_MeanMultiplicity > 0.0) {
83 G4double ThermalWaveLenght = 16.15*fermi/s
84 G4double lambda3 = ThermalWaveLenght*Therm
85 Entropy = _MeanMultiplicity*(2.5 + G4Log(8
86 8.0*T/_InvLevelDensity;
87 }
88 return Entropy;
89 }
90