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>> 27 // $Id: G4StatMFMacroChemicalPotential.cc,v 1.6 2008-07-25 11:20:47 vnivanch Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
27 // 29 //
28 // Hadronic Process: Nuclear De-excitations 30 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 31 // by V. Lara
30 32
>> 33
31 #include "G4StatMFMacroChemicalPotential.hh" 34 #include "G4StatMFMacroChemicalPotential.hh"
32 #include "G4PhysicalConstants.hh" <<
33 #include "G4Pow.hh" <<
34 35
35 // operators definitions 36 // operators definitions
36 G4StatMFMacroChemicalPotential & 37 G4StatMFMacroChemicalPotential &
37 G4StatMFMacroChemicalPotential::operator=(cons 38 G4StatMFMacroChemicalPotential::operator=(const G4StatMFMacroChemicalPotential & )
38 { 39 {
39 throw G4HadronicException(__FILE__, __LINE << 40 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator= meant to not be accessable");
40 return *this; 41 return *this;
41 } 42 }
42 43
43 G4bool G4StatMFMacroChemicalPotential::operato 44 G4bool G4StatMFMacroChemicalPotential::operator==(const G4StatMFMacroChemicalPotential & ) const
44 { 45 {
45 throw G4HadronicException(__FILE__, __LINE << 46 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator== meant to not be accessable");
46 return false; 47 return false;
47 } 48 }
48 49
49 50
50 G4bool G4StatMFMacroChemicalPotential::operato 51 G4bool G4StatMFMacroChemicalPotential::operator!=(const G4StatMFMacroChemicalPotential & ) const
51 { 52 {
52 throw G4HadronicException(__FILE__, __LINE << 53 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator!= meant to not be accessable");
53 return true; 54 return true;
54 } 55 }
55 56
>> 57
>> 58
>> 59
56 G4double G4StatMFMacroChemicalPotential::CalcC 60 G4double G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu(void)
57 // Calculate Chemical potential \nu << 61 // Calculate Chemical potential \nu
58 { 62 {
59 G4Pow* g4calc = G4Pow::GetInstance(); << 63 G4double CP = ((3./5.)*elm_coupling/G4StatMFParameters::Getr0())*
60 G4double CP = G4StatMFParameters::GetCoulomb << 64 (1.0-1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1.0/3.0));
61 65
62 // Initial value for _ChemPotentialNu << 66 // Initial value for _ChemPotentialNu
63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMF << 67 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMFParameters::GetGamma0()+2.0*CP*std::pow(theA,2./3.)) -
64 +2.0*CP*g4calc->Z23(theA)) << 68 4.0*G4StatMFParameters::GetGamma0();
65 - 4.0*G4StatMFParameters::GetGamma0(); <<
66 69
67 G4double ChemPa = _ChemPotentialNu; << 70
68 G4double ChemPb = 0.5*_ChemPotentialNu; << 71 G4double ChemPa = _ChemPotentialNu;
>> 72 G4double ChemPb = 0.5*_ChemPotentialNu;
69 73
70 G4double fChemPa = this->operator()(ChemPa); << 74 G4double fChemPa = this->operator()(ChemPa);
71 G4double fChemPb = this->operator()(ChemPb); << 75 G4double fChemPb = this->operator()(ChemPb);
72 76
73 if (fChemPa*fChemPb > 0.0) { << 77 if (fChemPa*fChemPb > 0.0) {
74 // bracketing the solution << 78 // bracketing the solution
75 if (fChemPa < 0.0) { << 79 if (fChemPa < 0.0) {
76 do { << 80 do {
77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa); << 81 ChemPb -= 1.5*std::abs(ChemPb-ChemPa);
78 fChemPb = this->operator()(ChemPb); << 82 fChemPb = this->operator()(ChemPb);
79 // Loop checking, 05-Aug-2015, Vladimir Ivan << 83 } while (fChemPb < 0.0);
80 } while (fChemPb < 0.0); << 84 } else {
81 } else { << 85 do {
82 do { << 86 ChemPb += 1.5*std::abs(ChemPb-ChemPa);
83 ChemPb += 1.5*std::abs(ChemPb-ChemPa); << 87 fChemPb = this->operator()(ChemPb);
84 fChemPb = this->operator()(ChemPb); << 88 } while (fChemPb > 0.0);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan << 89 }
86 } while (fChemPb > 0.0); <<
87 } 90 }
88 } <<
89 91
90 G4Solver<G4StatMFMacroChemicalPotential> * t << 92 G4Solver<G4StatMFMacroChemicalPotential> * theSolver =
91 new G4Solver<G4StatMFMacroChemicalPotentia << 93 new G4Solver<G4StatMFMacroChemicalPotential>(100,1.e-4);
92 theSolver->SetIntervalLimits(ChemPa,ChemPb); << 94 theSolver->SetIntervalLimits(ChemPa,ChemPb);
93 // if (!theSolver->Crenshaw(*this)) << 95 // if (!theSolver->Crenshaw(*this))
94 if (!theSolver->Brent(*this)){ << 96 if (!theSolver->Brent(*this)){
95 G4cout <<"G4StatMFMacroChemicalPotential:" << 97 G4cerr <<"G4StatMFMacroChemicalPotential:"<<" ChemPa="<<ChemPa<<" ChemPb="<<ChemPb<< G4endl;
96 <<" ChemPb="<<ChemPb<< G4endl; << 98 G4cerr <<"G4StatMFMacroChemicalPotential:"<<" fChemPa="<<fChemPa<<" fChemPb="<<fChemPb<< G4endl;
97 G4cout <<"G4StatMFMacroChemicalPotential:" << 99 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu: I couldn't find the root.");
98 <<" fChemPb="<<fChemPb<< G4endl; << 100 }
99 throw G4HadronicException(__FILE__, __LINE << 101 _ChemPotentialNu = theSolver->GetRoot();
100 } << 102 delete theSolver;
101 _ChemPotentialNu = theSolver->GetRoot(); << 103 return _ChemPotentialNu;
102 delete theSolver; <<
103 return _ChemPotentialNu; <<
104 } 104 }
105 105
106 106
107 107
108 G4double G4StatMFMacroChemicalPotential::CalcM 108 G4double G4StatMFMacroChemicalPotential::CalcMeanZ(const G4double nu)
109 { 109 {
110 std::vector<G4VStatMFMacroCluster*>::iterato 110 std::vector<G4VStatMFMacroCluster*>::iterator i;
111 for (i= _theClusters->begin()+1; i != _theCl 111 for (i= _theClusters->begin()+1; i != _theClusters->end(); ++i)
112 { 112 {
113 (*i)->CalcZARatio(nu); 113 (*i)->CalcZARatio(nu);
114 } 114 }
115 CalcChemicalPotentialMu(nu); 115 CalcChemicalPotentialMu(nu);
116 // This is important, the Z over A ratio for 116 // This is important, the Z over A ratio for proton and neutron depends on the
117 // chemical potential Mu, while for the firs 117 // chemical potential Mu, while for the first guess for Chemical potential mu
118 // some values of Z over A ratio. This is th 118 // some values of Z over A ratio. This is the reason for that.
119 (*_theClusters->begin())->CalcZARatio(nu); 119 (*_theClusters->begin())->CalcZARatio(nu);
120 120
121 G4double MeanZ = 0.0; 121 G4double MeanZ = 0.0;
122 G4int n = 1; 122 G4int n = 1;
123 for (i = _theClusters->begin(); i != _theClu 123 for (i = _theClusters->begin(); i != _theClusters->end(); ++i)
124 { 124 {
125 MeanZ += (n++) * (*i)->GetZARatio() * (* << 125 MeanZ += static_cast<G4double>(n++) *
>> 126 (*i)->GetZARatio() *
>> 127 (*i)->GetMeanMultiplicity();
126 } 128 }
127 return MeanZ; 129 return MeanZ;
128 } 130 }
129 131
>> 132
130 void G4StatMFMacroChemicalPotential::CalcChemi 133 void G4StatMFMacroChemicalPotential::CalcChemicalPotentialMu(const G4double nu)
131 // Calculate Chemical potential \mu << 134 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult << 135 // For that is necesary to calculate mean multiplicities
133 { 136 {
134 G4StatMFMacroMultiplicity * theMultip = new 137 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea 138 G4StatMFMacroMultiplicity(theA,_Kappa,_MeanTemperature,nu,_theClusters);
136 139
137 _ChemPotentialMu = theMultip->CalcChemicalPo 140 _ChemPotentialMu = theMultip->CalcChemicalPotentialMu();
138 _MeanMultiplicity = theMultip->GetMeanMultip 141 _MeanMultiplicity = theMultip->GetMeanMultiplicity();
139 142
140 delete theMultip; 143 delete theMultip;
141 144
142 return; << 145 return;
>> 146
143 } 147 }
144 148