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>> 27 // $Id: G4StatMFMacroTriNucleon.cc,v 1.5 2006/06/29 20:25:25 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-03-patch-02 $
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 "G4StatMFMacroTriNucleon.hh" 33 #include "G4StatMFMacroTriNucleon.hh"
32 #include "G4PhysicalConstants.hh" <<
33 #include "G4SystemOfUnits.hh" <<
34 #include "G4Log.hh" <<
35 #include "G4Exp.hh" <<
36 #include "G4Pow.hh" <<
37 <<
38 G4StatMFMacroTriNucleon::G4StatMFMacroTriNucle <<
39 : G4VStatMFMacroCluster(3) <<
40 {} <<
41 <<
42 G4StatMFMacroTriNucleon::~G4StatMFMacroTriNucl <<
43 {} <<
44 <<
45 G4double <<
46 G4StatMFMacroTriNucleon::CalcMeanMultiplicity( <<
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 = 4.0; // <<
54 <<
55 // old value was 9.224*MeV <<
56 G4double BindingE = G4NucleiProperties::GetB <<
57 // + G4NucleiProperties::GetBindingEnergy <<
58 <<
59 G4double exponent = (BindingE+ theA*(mu+nu*t <<
60 G4StatMFParameters::GetCoulomb()*th <<
61 *theA*G4Pow::GetInstance()->Z23(the <<
62 if (exponent > 300.0) exponent = 300.0; <<
63 34
64 _MeanMultiplicity = (degeneracy*FreeVol*theA << 35 // Operators
65 G4Exp(exponent); << 36
>> 37 G4StatMFMacroTriNucleon & G4StatMFMacroTriNucleon::
>> 38 operator=(const G4StatMFMacroTriNucleon & )
>> 39 {
>> 40 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTriNucleon::operator= meant to not be accessable");
>> 41 return *this;
>> 42 }
>> 43
>> 44
>> 45 G4bool G4StatMFMacroTriNucleon::operator==(const G4StatMFMacroTriNucleon & ) const
>> 46 {
>> 47 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTriNucleon::operator== meant to not be accessable");
>> 48 return false;
>> 49 }
>> 50
>> 51
>> 52 G4bool G4StatMFMacroTriNucleon::operator!=(const G4StatMFMacroTriNucleon & ) const
>> 53 {
>> 54 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTriNucleon::operator!= meant to not be accessable");
>> 55 return true;
>> 56 }
>> 57
>> 58
>> 59
>> 60 G4double G4StatMFMacroTriNucleon::CalcMeanMultiplicity(const G4double FreeVol, const G4double mu,
>> 61 const G4double nu, const G4double T)
>> 62 {
>> 63 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
>> 64
>> 65 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
>> 66
>> 67 const G4double degeneracy = 2.0+2.0; // H3 + He3
>> 68
>> 69 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 70 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
>> 71
>> 72 const G4double BindingE = G4NucleiPropertiesTable::GetBindingEnergy(1,theA); // old value was 9.224*MeV
>> 73 // + G4NucleiProperties::GetBindingEnergy(2,theA);
>> 74
>> 75 G4double exponent = (BindingE+ theA*(mu+nu*theZARatio) -
>> 76 Coulomb*theZARatio*theZARatio*std::pow(static_cast<G4double>(theA),5./3.))/T;
>> 77 if (exponent > 700.0) exponent = 700.0;
>> 78
>> 79 _MeanMultiplicity = (degeneracy*FreeVol*static_cast<G4double>(theA)*
>> 80 std::sqrt(static_cast<G4double>(theA))/lambda3)*
>> 81 std::exp(exponent);
66 82
67 return _MeanMultiplicity; << 83 return _MeanMultiplicity;
68 } 84 }
69 85
>> 86
70 G4double G4StatMFMacroTriNucleon::CalcEnergy(c 87 G4double G4StatMFMacroTriNucleon::CalcEnergy(const G4double T)
71 { 88 {
72 return _Energy = -G4NucleiProperties::GetBi << 89 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
73 G4StatMFParameters::GetCoulomb() * theZARa << 90 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
74 * theA*G4Pow::GetInstance()->Z23(theA) + 1 << 91
>> 92 return _Energy = -G4NucleiPropertiesTable::GetBindingEnergy(1,theA) +
>> 93 Coulomb * theZARatio * theZARatio * std::pow(static_cast<G4double>(theA),5./3.) +
>> 94 (3./2.) * T;
>> 95
75 } 96 }
76 97
77 G4double << 98
78 G4StatMFMacroTriNucleon::CalcEntropy(const G4d << 99 G4double G4StatMFMacroTriNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
79 { 100 {
80 G4double Entropy = 0.0; << 101 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
81 if (_MeanMultiplicity > 0.0) { << 102 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
82 G4double ThermalWaveLenght = 16.15*fermi/s << 103
83 G4double lambda3 = ThermalWaveLenght*Therm << 104 G4double Entropy = 0.0;
84 Entropy = _MeanMultiplicity*(2.5 + G4Log(( << 105 if (_MeanMultiplicity > 0.0)
85 *FreeVol/(lambda3*_MeanMultipli << 106 Entropy = _MeanMultiplicity*(5./2.+
86 } << 107 std::log(4.0*static_cast<G4double>(theA)*
87 return Entropy; << 108 std::sqrt(static_cast<G4double>(theA))*FreeVol/(lambda3*_MeanMultiplicity)));
>> 109
>> 110
>> 111 return Entropy;
88 } 112 }
89 113