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>> 24 // $Id: G4StatMFMacroMultiNucleon.cc,v 1.3 2004/12/07 13:47:45 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-07-00-cand-03 $
27 // 26 //
28 // Hadronic Process: Nuclear De-excitations 27 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 28 // by V. Lara
30 // <<
31 // Modified: <<
32 // 25.07.08 I.Pshenichnov (in collaboration wi <<
33 // Mishustin (FIAS, Frankfurt, INR, M <<
34 // Moscow, pshenich@fias.uni-frankfur <<
35 // symmetry energy <<
36 29
37 #include "G4StatMFMacroMultiNucleon.hh" 30 #include "G4StatMFMacroMultiNucleon.hh"
38 #include "G4PhysicalConstants.hh" <<
39 #include "G4SystemOfUnits.hh" <<
40 #include "G4Log.hh" <<
41 #include "G4Exp.hh" <<
42 #include "G4Pow.hh" <<
43 31
44 // Default constructor 32 // Default constructor
45 G4StatMFMacroMultiNucleon:: 33 G4StatMFMacroMultiNucleon::
46 G4StatMFMacroMultiNucleon() : 34 G4StatMFMacroMultiNucleon() :
47 G4VStatMFMacroCluster(0) // Beacuse the d 35 G4VStatMFMacroCluster(0) // Beacuse the def. constr. of base class is private
48 { 36 {
49 throw G4HadronicException(__FILE__, __LINE << 37 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroMultiNucleon::default_constructor meant to not be accessable");
50 } 38 }
51 39
52 // Copy constructor 40 // Copy constructor
53 G4StatMFMacroMultiNucleon:: 41 G4StatMFMacroMultiNucleon::
54 G4StatMFMacroMultiNucleon(const G4StatMFMacroM 42 G4StatMFMacroMultiNucleon(const G4StatMFMacroMultiNucleon & ) :
55 G4VStatMFMacroCluster(0) // Beacuse the d 43 G4VStatMFMacroCluster(0) // Beacuse the def. constr. of base class is private
56 { 44 {
57 throw G4HadronicException(__FILE__, __LINE << 45 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroMultiNucleon::copy_constructor meant to not be accessable");
58 } 46 }
59 47
60 // Operators 48 // Operators
61 49
62 G4StatMFMacroMultiNucleon & G4StatMFMacroMulti 50 G4StatMFMacroMultiNucleon & G4StatMFMacroMultiNucleon::
63 operator=(const G4StatMFMacroMultiNucleon & ) 51 operator=(const G4StatMFMacroMultiNucleon & )
64 { 52 {
65 throw G4HadronicException(__FILE__, __LINE << 53 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroMultiNucleon::operator= meant to not be accessable");
66 return *this; 54 return *this;
67 } 55 }
68 56
>> 57
69 G4bool G4StatMFMacroMultiNucleon::operator==(c 58 G4bool G4StatMFMacroMultiNucleon::operator==(const G4StatMFMacroMultiNucleon & ) const
70 { 59 {
71 throw G4HadronicException(__FILE__, __LINE << 60 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroMultiNucleon::operator== meant to not be accessable");
72 return false; 61 return false;
73 } 62 }
74 63
>> 64
75 G4bool G4StatMFMacroMultiNucleon::operator!=(c 65 G4bool G4StatMFMacroMultiNucleon::operator!=(const G4StatMFMacroMultiNucleon & ) const
76 { 66 {
77 throw G4HadronicException(__FILE__, __LINE << 67 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroMultiNucleon::operator!= meant to not be accessable");
78 return true; 68 return true;
79 } 69 }
80 70
81 G4double G4StatMFMacroMultiNucleon::CalcMeanMu << 71
82 const G4double mu, << 72
83 const G4double nu, << 73 G4double G4StatMFMacroMultiNucleon::CalcMeanMultiplicity(const G4double FreeVol, const G4double mu,
84 const G4double T) << 74 const G4double nu, const G4double T)
85 { << 75 {
86 G4double ThermalWaveLenght = 16.15*fermi/std << 76 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
87 G4double lambda3 = ThermalWaveLenght*Thermal << 77
88 G4Pow* g4calc = G4Pow::GetInstance(); << 78 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
89 G4double A23 = g4calc->Z23(theA); << 79
90 << 80 const G4double A23 = std::pow(static_cast<G4double>(theA),2./3.);
91 G4double exponent = (mu + nu*theZARatio+ G4S << 81
92 + T*T/_InvLevelDensity << 82 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
93 - G4StatMFParameters::GetGamma0()*( << 83 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
94 (1.0 - 2.0*theZARatio))*theA << 84
95 - G4StatMFParameters::Beta(T)*A23 << 85 G4double exponent = (mu + nu*theZARatio+ G4StatMFParameters::GetE0() + T*T/_InvLevelDensity
96 - G4StatMFParameters::GetCoulomb()*theZARa << 86 - G4StatMFParameters::GetGamma0()*(1.0 - 2.0*theZARatio)*
97 << 87 (1.0 - 2.0*theZARatio))*theA
98 exponent /= T; << 88 - G4StatMFParameters::Beta(T)*A23 - Coulomb*theZARatio*theZARatio*A23*theA;
99 << 89
100 if (exponent > 30.0) exponent = 30.0; << 90 exponent /= T;
101 << 91
102 _MeanMultiplicity = std::max((FreeVol * theA << 92 if (exponent > 30.0) exponent = 30.0;
103 G4Exp(exponent),1.0e-30); << 93
104 return _MeanMultiplicity; << 94 _MeanMultiplicity = std::max((FreeVol * static_cast<G4double>(theA) *
>> 95 std::sqrt(static_cast<G4double>(theA))/lambda3) *
>> 96 std::exp(exponent),1.0e-30);
>> 97 return _MeanMultiplicity;
105 } 98 }
106 99
>> 100
107 G4double G4StatMFMacroMultiNucleon::CalcZARati 101 G4double G4StatMFMacroMultiNucleon::CalcZARatio(const G4double nu)
108 { 102 {
109 G4double den = 8*G4StatMFParameters::GetGamm << 103 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
110 + 2*G4StatMFParameters::GetCoulomb()*G4Pow << 104 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
111 theZARatio = (4.0*G4StatMFParameters::GetGam << 105
112 return theZARatio; << 106 G4double den = 8.0*G4StatMFParameters::GetGamma0()+2.0*Coulomb*std::pow(static_cast<G4double>(theA),2./3.);
>> 107 G4double num = 4.0*G4StatMFParameters::GetGamma0()+nu;
>> 108
>> 109 return theZARatio = num/den;
>> 110
>> 111
113 } 112 }
114 113
>> 114
>> 115
115 G4double G4StatMFMacroMultiNucleon::CalcEnergy 116 G4double G4StatMFMacroMultiNucleon::CalcEnergy(const G4double T)
116 { 117 {
117 G4Pow* g4calc = G4Pow::GetInstance(); << 118 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
118 G4double A23 = g4calc->Z23(theA); << 119 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
>> 120
>> 121 const G4double A23 = std::pow(static_cast<G4double>(theA),2./3.);
119 122
120 // Volume term << 123 // Volume term
121 G4double EVol = theA * (T*T/_InvLevelDensity << 124 G4double EVol = static_cast<G4double>(theA) * (T*T/_InvLevelDensity - G4StatMFParameters::GetE0());
122 125
123 // Symmetry term << 126 // Symmetry term
124 G4double ESym = theA * G4StatMFParameters::G << 127 // G4double ESym = static_cast<G4double>(theA) * G4StatMFParameters::GetGamma0() *(1. - 2.* theZARatio * theZARatio);
125 *(1. - 2.* theZARatio) * (1. - 2.* theZARa <<
126 128
127 // Surface term << 129 // Surface term
128 G4double ESurf = A23*(G4StatMFParameters::Be << 130 G4double ESurf = A23*(G4StatMFParameters::Beta(T) - T*G4StatMFParameters::DBetaDT(T));
129 131
130 // Coulomb term << 132 // Coulomb term
131 G4double ECoul = G4StatMFParameters::GetCoul << 133 G4double ECoul = Coulomb*A23*static_cast<G4double>(theA)*theZARatio*theZARatio;
132 134
133 // Translational term << 135 // Translational term
134 G4double ETrans = 1.5*T; << 136 G4double ETrans = (3./2.)*T;
135 return _Energy = EVol + ESurf + ECoul + ETra << 137
>> 138
>> 139 return _Energy = EVol + ESurf + ECoul + ETrans; // + ESym;
136 } 140 }
137 141
138 G4double G4StatMFMacroMultiNucleon::CalcEntrop << 142
139 const G4double FreeVol) << 143 G4double G4StatMFMacroMultiNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
140 { 144 {
141 G4double Entropy = 0.0; << 145 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
142 if (_MeanMultiplicity > 0.0) { << 146 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
143 147
144 G4double ThermalWaveLenght = 16.15*fermi/s << 148 G4double Entropy = 0.0;
145 G4double lambda3 = ThermalWaveLenght*Therm << 149 if (_MeanMultiplicity > 0.0) {
146 // Volume term << 150 // Volume term
147 G4double SV = 2.0*theA*T/_InvLevelDensity; << 151 G4double SV = 2.0*static_cast<G4double>(theA)*T/_InvLevelDensity;
148 152
149 // Surface term << 153 // Surface term
150 G4double SS = -G4StatMFParameters::DBetaDT << 154 G4double SS = -G4StatMFParameters::DBetaDT(T)*std::pow(static_cast<G4double>(theA),2./3.);
151 155
152 // Translational term << 156 // Translational term
153 G4double ST = 2.5 + G4Log(FreeVol * std::s << 157 G4double ST = (5./2.)+std::log(FreeVol * std::sqrt(static_cast<G4double>(theA)) *
154 /(lambda3*_MeanMultiplicity)); << 158 static_cast<G4double>(theA)/(lambda3*_MeanMultiplicity));
155 << 159
156 Entropy = _MeanMultiplicity*(SV + SS + ST) << 160
157 } << 161 Entropy = _MeanMultiplicity*(SV + SS + ST);
158 return Entropy; << 162 }
>> 163
>> 164
>> 165 return Entropy;
159 } 166 }
160 167