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>> 27 // $Id: G4StatMFMacroBiNucleon.cc,v 1.5 2006/06/29 20:24:49 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-01 $
27 // 29 //
28 // Hadronic Process: Nuclear De-excitations 30 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 31 // by V. Lara
30 32
31 #include "G4StatMFMacroBiNucleon.hh" 33 #include "G4StatMFMacroBiNucleon.hh"
32 #include "G4StatMFParameters.hh" <<
33 #include "G4PhysicalConstants.hh" <<
34 #include "G4SystemOfUnits.hh" <<
35 #include "G4Log.hh" <<
36 #include "G4Exp.hh" <<
37 #include "G4Pow.hh" <<
38 34
39 // Operators 35 // Operators
40 36
41 static const G4double degeneracy = 3.0; <<
42 <<
43 G4StatMFMacroBiNucleon & G4StatMFMacroBiNucleo 37 G4StatMFMacroBiNucleon & G4StatMFMacroBiNucleon::
44 operator=(const G4StatMFMacroBiNucleon & ) 38 operator=(const G4StatMFMacroBiNucleon & )
45 { 39 {
46 throw G4HadronicException(__FILE__, __LINE << 40 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator= meant to not be accessable");
47 return *this; 41 return *this;
48 } 42 }
49 43
>> 44
50 G4bool G4StatMFMacroBiNucleon::operator==(cons 45 G4bool G4StatMFMacroBiNucleon::operator==(const G4StatMFMacroBiNucleon & ) const
51 { 46 {
52 throw G4HadronicException(__FILE__, __LINE << 47 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator== meant to not be accessable");
53 return false; 48 return false;
54 } 49 }
55 50
56 51
57 G4bool G4StatMFMacroBiNucleon::operator!=(cons 52 G4bool G4StatMFMacroBiNucleon::operator!=(const G4StatMFMacroBiNucleon & ) const
58 { 53 {
59 throw G4HadronicException(__FILE__, __LINE << 54 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator!= meant to not be accessable");
60 return true; 55 return true;
61 } 56 }
62 57
63 G4double G4StatMFMacroBiNucleon::CalcMeanMulti << 58
64 const G4double mu, << 59 G4double G4StatMFMacroBiNucleon::CalcMeanMultiplicity(const G4double FreeVol, const G4double mu,
65 const G4double nu, << 60 const G4double nu, const G4double T)
66 const G4double T) <<
67 { 61 {
68 G4double ThermalWaveLenght = 16.15*fermi/std << 62 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
69 G4double lambda3 = ThermalWaveLenght*Thermal << 63
>> 64 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
>> 65
>> 66 const G4double degeneracy = 3.0;
>> 67
>> 68 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 69 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
70 70
71 const G4double BindingE = G4NucleiProperties << 71 const G4double BindingE = G4NucleiPropertiesTable::GetBindingEnergy(1,theA); //old value was 2.796*MeV
72 //old value was 2.796*MeV << 72 G4double exponent = (BindingE + theA*(mu+nu*theZARatio) -
73 G4double exponent = (BindingE + theA*(mu+nu* << 73 Coulomb*theZARatio*theZARatio*std::pow(G4double(theA),5./3.))/T;
74 G4StatMFParameters::GetCoulomb()*th << 74
75 *G4Pow::GetInstance()->Z23(theA))/T << 75 // To avoid numerical problems
76 << 76 if (exponent < -700.0) exponent = -700.0;
77 // To avoid numerical problems << 77 else if (exponent > 700.0) exponent = 700.0;
78 if (exponent < -300.0) exponent = -300.0; <<
79 else if (exponent > 300.0) exponent = 300.0; <<
80 78
81 _MeanMultiplicity = (degeneracy*FreeVol*theA << 79 _MeanMultiplicity = (degeneracy*FreeVol*static_cast<G4double>(theA)*std::sqrt(static_cast<G4double>(theA))/lambda3)*
82 G4Exp(exponent); << 80 std::exp(exponent);
83 81
84 return _MeanMultiplicity; << 82 return _MeanMultiplicity;
85 } 83 }
86 84
>> 85
87 G4double G4StatMFMacroBiNucleon::CalcEnergy(co 86 G4double G4StatMFMacroBiNucleon::CalcEnergy(const G4double T)
88 { 87 {
89 _Energy = -G4NucleiProperties::GetBindingEn << 88 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
90 G4StatMFParameters::GetCoulomb() * theZARa << 89 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
91 * theA*G4Pow::GetInstance()->Z23(theA) + 1 << 90
>> 91 _Energy = -G4NucleiPropertiesTable::GetBindingEnergy(1,theA) +
>> 92 Coulomb * theZARatio * theZARatio * std::pow(G4double(theA),5./3.) +
>> 93 (3./2.) * T;
92 94
93 return _Energy; << 95 return _Energy;
94 } 96 }
95 97
>> 98
>> 99
96 G4double G4StatMFMacroBiNucleon::CalcEntropy(c 100 G4double G4StatMFMacroBiNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
97 { 101 {
98 G4double Entropy = 0.0; << 102 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
99 if (_MeanMultiplicity > 0.0) { << 103 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
100 G4double ThermalWaveLenght = 16.15*fermi/s << 104
101 G4double lambda3 = ThermalWaveLenght*Therm << 105 G4double Entropy = 0.0;
102 // Is this formula correct? << 106 if (_MeanMultiplicity > 0.0)
103 Entropy = _MeanMultiplicity*(2.5+G4Log(3.0 << 107 // Is this formula correct?
104 /(lambda3*_MeanMultiplicity))); << 108 Entropy = _MeanMultiplicity*(5./2.+
105 } << 109 std::log(3.0*static_cast<G4double>(theA)*
106 return Entropy; << 110 std::sqrt(static_cast<G4double>(theA))*FreeVol/
>> 111 (lambda3*_MeanMultiplicity)));
>> 112
>> 113
>> 114 return Entropy;
107 } 115 }
108 116