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>> 27 // $Id: G4StatMFMacroNucleon.cc 68724 2013-04-05 09:26:32Z gcosmo $
27 // 28 //
28 // Hadronic Process: Nuclear De-excitations 29 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 30 // by V. Lara
30 31
31 #include "G4StatMFMacroNucleon.hh" 32 #include "G4StatMFMacroNucleon.hh"
32 #include "G4PhysicalConstants.hh" 33 #include "G4PhysicalConstants.hh"
33 #include "G4SystemOfUnits.hh" 34 #include "G4SystemOfUnits.hh"
34 #include "G4Log.hh" <<
35 #include "G4Exp.hh" <<
36 35
37 G4StatMFMacroNucleon::G4StatMFMacroNucleon() 36 G4StatMFMacroNucleon::G4StatMFMacroNucleon()
38 : G4VStatMFMacroCluster(1), _NeutronMeanMult 37 : G4VStatMFMacroCluster(1), _NeutronMeanMultiplicity(0.0),
39 _ProtonMeanMultiplicity(0.0) 38 _ProtonMeanMultiplicity(0.0)
40 {} 39 {}
41 40
42 G4StatMFMacroNucleon::~G4StatMFMacroNucleon() 41 G4StatMFMacroNucleon::~G4StatMFMacroNucleon()
43 {} 42 {}
44 43
45 G4double 44 G4double
46 G4StatMFMacroNucleon::CalcMeanMultiplicity(con 45 G4StatMFMacroNucleon::CalcMeanMultiplicity(const G4double FreeVol,
47 const G4double mu, 46 const G4double mu,
48 const G4double nu, const G4double 47 const G4double nu, const G4double T)
49 { 48 {
50 if (T <= 0.0) { 49 if (T <= 0.0) {
51 throw G4HadronicException(__FILE__, __LINE 50 throw G4HadronicException(__FILE__, __LINE__,
52 "G4StatMFMacroNucleon::CalcMeanMul 51 "G4StatMFMacroNucleon::CalcMeanMultiplicity: Temperature less or equal 0");
53 } 52 }
54 53
55 G4double ThermalWaveLenght = 16.15*fermi/std 54 G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
56 55
57 G4double lambda3 = ThermalWaveLenght*Thermal 56 G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
58 57
59 static const G4double degeneracy = 2.0; 58 static const G4double degeneracy = 2.0;
60 59
61 G4double exponent_proton = (mu + nu - G4Stat << 60 G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 61 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
>> 62
>> 63 G4double exponent_proton = (mu+nu-Coulomb)/T;
62 G4double exponent_neutron = mu/T; 64 G4double exponent_neutron = mu/T;
63 65
64 if (exponent_neutron > 300.0) exponent_neutr << 66 if (exponent_neutron > 700.0) exponent_neutron = 700.0;
65 if (exponent_proton > 300.0) exponent_proton << 67 if (exponent_proton > 700.0) exponent_proton = 700.0;
66 68
67 _NeutronMeanMultiplicity = 69 _NeutronMeanMultiplicity =
68 (degeneracy*FreeVol/lambda3)*G4Exp(exponen << 70 (degeneracy*FreeVol/lambda3)*std::exp(exponent_neutron);
69 71
70 _ProtonMeanMultiplicity = 72 _ProtonMeanMultiplicity =
71 (degeneracy*FreeVol/lambda3)*G4Exp(exponen << 73 (degeneracy*FreeVol/lambda3)*std::exp(exponent_proton);
72 74
73 return _MeanMultiplicity = _NeutronMeanMulti 75 return _MeanMultiplicity = _NeutronMeanMultiplicity + _ProtonMeanMultiplicity;
74 } 76 }
75 77
76 78
77 G4double G4StatMFMacroNucleon::CalcEnergy(cons 79 G4double G4StatMFMacroNucleon::CalcEnergy(const G4double T)
78 { 80 {
79 return _Energy = G4StatMFParameters::GetCoul << 81 G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 82 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
>> 83
>> 84 return _Energy = Coulomb * theZARatio * theZARatio + (3./2.) * T;
80 } 85 }
81 86
82 G4double 87 G4double
83 G4StatMFMacroNucleon::CalcEntropy(const G4doub 88 G4StatMFMacroNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
84 { 89 {
85 G4double ThermalWaveLenght = 16.15*fermi/std 90 G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
86 G4double lambda3 = ThermalWaveLenght*Thermal 91 G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
87 92
88 G4double NeutronEntropy = 0.0; 93 G4double NeutronEntropy = 0.0;
89 if (_NeutronMeanMultiplicity > 0.0) 94 if (_NeutronMeanMultiplicity > 0.0)
90 NeutronEntropy = _NeutronMeanMultiplicity* << 95 NeutronEntropy = _NeutronMeanMultiplicity*(5./2.+
91 (lambda3*_NeutronMeanMultiplicity))) << 96 std::log(2.0*static_cast<G4double>(theA)*FreeVol/
>> 97 (lambda3*_NeutronMeanMultiplicity)));
92 98
93 G4double ProtonEntropy = 0.0; 99 G4double ProtonEntropy = 0.0;
94 if (_ProtonMeanMultiplicity > 0.0) 100 if (_ProtonMeanMultiplicity > 0.0)
95 ProtonEntropy = _ProtonMeanMultiplicity*(2 << 101 ProtonEntropy = _ProtonMeanMultiplicity*(5./2.+
96 (lambda3*_ProtonMeanMultiplicity))); << 102 std::log(2.0*static_cast<G4double>(theA)*FreeVol/
>> 103 (lambda3*_ProtonMeanMultiplicity)));
97 104
98 return NeutronEntropy+ProtonEntropy; 105 return NeutronEntropy+ProtonEntropy;
99 } 106 }
100 107
101 108