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26 // 23 //
>> 24 // $Id: G4StatMFMacroBiNucleon.cc,v 1.2 2003/11/03 17:53:05 hpw Exp $
>> 25 // GEANT4 tag $Name: geant4-06-00-patch-01 $
27 // 26 //
28 // Hadronic Process: Nuclear De-excitations 27 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 28 // by V. Lara
30 29
31 #include "G4StatMFMacroBiNucleon.hh" 30 #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 31
39 // Operators 32 // Operators
40 33
41 static const G4double degeneracy = 3.0; <<
42 <<
43 G4StatMFMacroBiNucleon & G4StatMFMacroBiNucleo 34 G4StatMFMacroBiNucleon & G4StatMFMacroBiNucleon::
44 operator=(const G4StatMFMacroBiNucleon & ) 35 operator=(const G4StatMFMacroBiNucleon & )
45 { 36 {
46 throw G4HadronicException(__FILE__, __LINE << 37 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator= meant to not be accessable");
47 return *this; 38 return *this;
48 } 39 }
49 40
>> 41
50 G4bool G4StatMFMacroBiNucleon::operator==(cons 42 G4bool G4StatMFMacroBiNucleon::operator==(const G4StatMFMacroBiNucleon & ) const
51 { 43 {
52 throw G4HadronicException(__FILE__, __LINE << 44 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator== meant to not be accessable");
53 return false; 45 return false;
54 } 46 }
55 47
56 48
57 G4bool G4StatMFMacroBiNucleon::operator!=(cons 49 G4bool G4StatMFMacroBiNucleon::operator!=(const G4StatMFMacroBiNucleon & ) const
58 { 50 {
59 throw G4HadronicException(__FILE__, __LINE << 51 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroBiNucleon::operator!= meant to not be accessable");
60 return true; 52 return true;
61 } 53 }
62 54
63 G4double G4StatMFMacroBiNucleon::CalcMeanMulti << 55
64 const G4double mu, << 56 G4double G4StatMFMacroBiNucleon::CalcMeanMultiplicity(const G4double FreeVol, const G4double mu,
65 const G4double nu, << 57 const G4double nu, const G4double T)
66 const G4double T) <<
67 { 58 {
68 G4double ThermalWaveLenght = 16.15*fermi/std << 59 const G4double ThermalWaveLenght = 16.15*fermi/sqrt(T);
69 G4double lambda3 = ThermalWaveLenght*Thermal << 60
>> 61 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
>> 62
>> 63 const G4double degeneracy = 3.0;
>> 64
>> 65 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 66 (1.0 - 1.0/pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
70 67
71 const G4double BindingE = G4NucleiProperties << 68 const G4double BindingE = G4NucleiPropertiesTable::GetBindingEnergy(1,theA); //old value was 2.796*MeV
72 //old value was 2.796*MeV << 69 G4double exponent = (BindingE + theA*(mu+nu*theZARatio) -
73 G4double exponent = (BindingE + theA*(mu+nu* << 70 Coulomb*theZARatio*theZARatio*pow(G4double(theA),5./3.))/T;
74 G4StatMFParameters::GetCoulomb()*th << 71
75 *G4Pow::GetInstance()->Z23(theA))/T << 72 // To avoid numerical problems
76 << 73 if (exponent < -700.0) exponent = -700.0;
77 // To avoid numerical problems << 74 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 75
81 _MeanMultiplicity = (degeneracy*FreeVol*theA << 76 _MeanMultiplicity = (degeneracy*FreeVol*static_cast<G4double>(theA)*sqrt(static_cast<G4double>(theA))/lambda3)*
82 G4Exp(exponent); << 77 exp(exponent);
83 78
84 return _MeanMultiplicity; << 79 return _MeanMultiplicity;
85 } 80 }
86 81
>> 82
87 G4double G4StatMFMacroBiNucleon::CalcEnergy(co 83 G4double G4StatMFMacroBiNucleon::CalcEnergy(const G4double T)
88 { 84 {
89 _Energy = -G4NucleiProperties::GetBindingEn << 85 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
90 G4StatMFParameters::GetCoulomb() * theZARa << 86 (1.0 - 1.0/pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
91 * theA*G4Pow::GetInstance()->Z23(theA) + 1 << 87
>> 88 _Energy = -G4NucleiPropertiesTable::GetBindingEnergy(1,theA) +
>> 89 Coulomb * theZARatio * theZARatio * pow(G4double(theA),5./3.) +
>> 90 (3./2.) * T;
92 91
93 return _Energy; << 92 return _Energy;
94 } 93 }
95 94
>> 95
>> 96
96 G4double G4StatMFMacroBiNucleon::CalcEntropy(c 97 G4double G4StatMFMacroBiNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
97 { 98 {
98 G4double Entropy = 0.0; << 99 const G4double ThermalWaveLenght = 16.15*fermi/sqrt(T);
99 if (_MeanMultiplicity > 0.0) { << 100 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
100 G4double ThermalWaveLenght = 16.15*fermi/s << 101
101 G4double lambda3 = ThermalWaveLenght*Therm << 102 G4double Entropy = 0.0;
102 // Is this formula correct? << 103 if (_MeanMultiplicity > 0.0)
103 Entropy = _MeanMultiplicity*(2.5+G4Log(3.0 << 104 // Is this formula correct?
104 /(lambda3*_MeanMultiplicity))); << 105 Entropy = _MeanMultiplicity*(5./2.+
105 } << 106 log(3.0*static_cast<G4double>(theA)*
106 return Entropy; << 107 sqrt(static_cast<G4double>(theA))*FreeVol/
>> 108 (lambda3*_MeanMultiplicity)));
>> 109
>> 110
>> 111 return Entropy;
107 } 112 }
108 113