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25 //
26 //
27 //
28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara
30
31 #include "G4StatMFMacroChemicalPotential.hh"
32 #include "G4PhysicalConstants.hh"
33 #include "G4Pow.hh"
34
35 // operators definitions
36 G4StatMFMacroChemicalPotential &
37 G4StatMFMacroChemicalPotential::operator=(cons
38 {
39 throw G4HadronicException(__FILE__, __LINE
40 return *this;
41 }
42
43 G4bool G4StatMFMacroChemicalPotential::operato
44 {
45 throw G4HadronicException(__FILE__, __LINE
46 return false;
47 }
48
49
50 G4bool G4StatMFMacroChemicalPotential::operato
51 {
52 throw G4HadronicException(__FILE__, __LINE
53 return true;
54 }
55
56 G4double G4StatMFMacroChemicalPotential::CalcC
57 // Calculate Chemical potential \nu
58 {
59 G4Pow* g4calc = G4Pow::GetInstance();
60 G4double CP = G4StatMFParameters::GetCoulomb
61
62 // Initial value for _ChemPotentialNu
63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMF
64 +2.0*CP*g4calc->Z23(theA))
65 - 4.0*G4StatMFParameters::GetGamma0();
66
67 G4double ChemPa = _ChemPotentialNu;
68 G4double ChemPb = 0.5*_ChemPotentialNu;
69
70 G4double fChemPa = this->operator()(ChemPa);
71 G4double fChemPb = this->operator()(ChemPb);
72
73 if (fChemPa*fChemPb > 0.0) {
74 // bracketing the solution
75 if (fChemPa < 0.0) {
76 do {
77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa);
78 fChemPb = this->operator()(ChemPb);
79 // Loop checking, 05-Aug-2015, Vladimir Ivan
80 } while (fChemPb < 0.0);
81 } else {
82 do {
83 ChemPb += 1.5*std::abs(ChemPb-ChemPa);
84 fChemPb = this->operator()(ChemPb);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan
86 } while (fChemPb > 0.0);
87 }
88 }
89
90 G4Solver<G4StatMFMacroChemicalPotential> * t
91 new G4Solver<G4StatMFMacroChemicalPotentia
92 theSolver->SetIntervalLimits(ChemPa,ChemPb);
93 // if (!theSolver->Crenshaw(*this))
94 if (!theSolver->Brent(*this)){
95 G4cout <<"G4StatMFMacroChemicalPotential:"
96 <<" ChemPb="<<ChemPb<< G4endl;
97 G4cout <<"G4StatMFMacroChemicalPotential:"
98 <<" fChemPb="<<fChemPb<< G4endl;
99 throw G4HadronicException(__FILE__, __LINE
100 }
101 _ChemPotentialNu = theSolver->GetRoot();
102 delete theSolver;
103 return _ChemPotentialNu;
104 }
105
106
107
108 G4double G4StatMFMacroChemicalPotential::CalcM
109 {
110 std::vector<G4VStatMFMacroCluster*>::iterato
111 for (i= _theClusters->begin()+1; i != _theCl
112 {
113 (*i)->CalcZARatio(nu);
114 }
115 CalcChemicalPotentialMu(nu);
116 // This is important, the Z over A ratio for
117 // chemical potential Mu, while for the firs
118 // some values of Z over A ratio. This is th
119 (*_theClusters->begin())->CalcZARatio(nu);
120
121 G4double MeanZ = 0.0;
122 G4int n = 1;
123 for (i = _theClusters->begin(); i != _theClu
124 {
125 MeanZ += (n++) * (*i)->GetZARatio() * (*
126 }
127 return MeanZ;
128 }
129
130 void G4StatMFMacroChemicalPotential::CalcChemi
131 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult
133 {
134 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea
136
137 _ChemPotentialMu = theMultip->CalcChemicalPo
138 _MeanMultiplicity = theMultip->GetMeanMultip
139
140 delete theMultip;
141
142 return;
143 }
144