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>> 27 // $Id: G4StatMFMacroChemicalPotential.cc 67983 2013-03-13 10:42:03Z gcosmo $
27 // 28 //
28 // Hadronic Process: Nuclear De-excitations 29 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 30 // by V. Lara
30 31
31 #include "G4StatMFMacroChemicalPotential.hh" 32 #include "G4StatMFMacroChemicalPotential.hh"
32 #include "G4PhysicalConstants.hh" 33 #include "G4PhysicalConstants.hh"
33 #include "G4Pow.hh" <<
34 34
35 // operators definitions 35 // operators definitions
36 G4StatMFMacroChemicalPotential & 36 G4StatMFMacroChemicalPotential &
37 G4StatMFMacroChemicalPotential::operator=(cons 37 G4StatMFMacroChemicalPotential::operator=(const G4StatMFMacroChemicalPotential & )
38 { 38 {
39 throw G4HadronicException(__FILE__, __LINE << 39 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator= meant to not be accessable");
40 return *this; 40 return *this;
41 } 41 }
42 42
43 G4bool G4StatMFMacroChemicalPotential::operato 43 G4bool G4StatMFMacroChemicalPotential::operator==(const G4StatMFMacroChemicalPotential & ) const
44 { 44 {
45 throw G4HadronicException(__FILE__, __LINE << 45 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator== meant to not be accessable");
46 return false; 46 return false;
47 } 47 }
48 48
49 49
50 G4bool G4StatMFMacroChemicalPotential::operato 50 G4bool G4StatMFMacroChemicalPotential::operator!=(const G4StatMFMacroChemicalPotential & ) const
51 { 51 {
52 throw G4HadronicException(__FILE__, __LINE << 52 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator!= meant to not be accessable");
53 return true; 53 return true;
54 } 54 }
55 55
>> 56
>> 57
>> 58
56 G4double G4StatMFMacroChemicalPotential::CalcC 59 G4double G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu(void)
57 // Calculate Chemical potential \nu << 60 // Calculate Chemical potential \nu
58 { 61 {
59 G4Pow* g4calc = G4Pow::GetInstance(); << 62 G4double CP = ((3./5.)*elm_coupling/G4StatMFParameters::Getr0())*
60 G4double CP = G4StatMFParameters::GetCoulomb << 63 (1.0-1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1.0/3.0));
61 64
62 // Initial value for _ChemPotentialNu << 65 // Initial value for _ChemPotentialNu
63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMF << 66 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMFParameters::GetGamma0()+2.0*CP*std::pow(theA,2./3.)) -
64 +2.0*CP*g4calc->Z23(theA)) << 67 4.0*G4StatMFParameters::GetGamma0();
65 - 4.0*G4StatMFParameters::GetGamma0(); <<
66 68
67 G4double ChemPa = _ChemPotentialNu; << 69
68 G4double ChemPb = 0.5*_ChemPotentialNu; << 70 G4double ChemPa = _ChemPotentialNu;
>> 71 G4double ChemPb = 0.5*_ChemPotentialNu;
69 72
70 G4double fChemPa = this->operator()(ChemPa); << 73 G4double fChemPa = this->operator()(ChemPa);
71 G4double fChemPb = this->operator()(ChemPb); << 74 G4double fChemPb = this->operator()(ChemPb);
72 75
73 if (fChemPa*fChemPb > 0.0) { << 76 if (fChemPa*fChemPb > 0.0) {
74 // bracketing the solution << 77 // bracketing the solution
75 if (fChemPa < 0.0) { << 78 if (fChemPa < 0.0) {
76 do { << 79 do {
77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa); << 80 ChemPb -= 1.5*std::abs(ChemPb-ChemPa);
78 fChemPb = this->operator()(ChemPb); << 81 fChemPb = this->operator()(ChemPb);
79 // Loop checking, 05-Aug-2015, Vladimir Ivan << 82 } while (fChemPb < 0.0);
80 } while (fChemPb < 0.0); << 83 } else {
81 } else { << 84 do {
82 do { << 85 ChemPb += 1.5*std::abs(ChemPb-ChemPa);
83 ChemPb += 1.5*std::abs(ChemPb-ChemPa); << 86 fChemPb = this->operator()(ChemPb);
84 fChemPb = this->operator()(ChemPb); << 87 } while (fChemPb > 0.0);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan << 88 }
86 } while (fChemPb > 0.0); <<
87 } 89 }
88 } <<
89 90
90 G4Solver<G4StatMFMacroChemicalPotential> * t << 91 G4Solver<G4StatMFMacroChemicalPotential> * theSolver =
91 new G4Solver<G4StatMFMacroChemicalPotentia << 92 new G4Solver<G4StatMFMacroChemicalPotential>(100,1.e-4);
92 theSolver->SetIntervalLimits(ChemPa,ChemPb); << 93 theSolver->SetIntervalLimits(ChemPa,ChemPb);
93 // if (!theSolver->Crenshaw(*this)) << 94 // if (!theSolver->Crenshaw(*this))
94 if (!theSolver->Brent(*this)){ << 95 if (!theSolver->Brent(*this)){
95 G4cout <<"G4StatMFMacroChemicalPotential:" << 96 G4cerr <<"G4StatMFMacroChemicalPotential:"<<" ChemPa="<<ChemPa<<" ChemPb="<<ChemPb<< G4endl;
96 <<" ChemPb="<<ChemPb<< G4endl; << 97 G4cerr <<"G4StatMFMacroChemicalPotential:"<<" fChemPa="<<fChemPa<<" fChemPb="<<fChemPb<< G4endl;
97 G4cout <<"G4StatMFMacroChemicalPotential:" << 98 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu: I couldn't find the root.");
98 <<" fChemPb="<<fChemPb<< G4endl; << 99 }
99 throw G4HadronicException(__FILE__, __LINE << 100 _ChemPotentialNu = theSolver->GetRoot();
100 } << 101 delete theSolver;
101 _ChemPotentialNu = theSolver->GetRoot(); << 102 return _ChemPotentialNu;
102 delete theSolver; <<
103 return _ChemPotentialNu; <<
104 } 103 }
105 104
106 105
107 106
108 G4double G4StatMFMacroChemicalPotential::CalcM 107 G4double G4StatMFMacroChemicalPotential::CalcMeanZ(const G4double nu)
109 { 108 {
110 std::vector<G4VStatMFMacroCluster*>::iterato 109 std::vector<G4VStatMFMacroCluster*>::iterator i;
111 for (i= _theClusters->begin()+1; i != _theCl 110 for (i= _theClusters->begin()+1; i != _theClusters->end(); ++i)
112 { 111 {
113 (*i)->CalcZARatio(nu); 112 (*i)->CalcZARatio(nu);
114 } 113 }
115 CalcChemicalPotentialMu(nu); 114 CalcChemicalPotentialMu(nu);
116 // This is important, the Z over A ratio for 115 // This is important, the Z over A ratio for proton and neutron depends on the
117 // chemical potential Mu, while for the firs 116 // chemical potential Mu, while for the first guess for Chemical potential mu
118 // some values of Z over A ratio. This is th 117 // some values of Z over A ratio. This is the reason for that.
119 (*_theClusters->begin())->CalcZARatio(nu); 118 (*_theClusters->begin())->CalcZARatio(nu);
120 119
121 G4double MeanZ = 0.0; 120 G4double MeanZ = 0.0;
122 G4int n = 1; 121 G4int n = 1;
123 for (i = _theClusters->begin(); i != _theClu 122 for (i = _theClusters->begin(); i != _theClusters->end(); ++i)
124 { 123 {
125 MeanZ += (n++) * (*i)->GetZARatio() * (* << 124 MeanZ += static_cast<G4double>(n++) *
>> 125 (*i)->GetZARatio() *
>> 126 (*i)->GetMeanMultiplicity();
126 } 127 }
127 return MeanZ; 128 return MeanZ;
128 } 129 }
129 130
>> 131
130 void G4StatMFMacroChemicalPotential::CalcChemi 132 void G4StatMFMacroChemicalPotential::CalcChemicalPotentialMu(const G4double nu)
131 // Calculate Chemical potential \mu << 133 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult << 134 // For that is necesary to calculate mean multiplicities
133 { 135 {
134 G4StatMFMacroMultiplicity * theMultip = new 136 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea 137 G4StatMFMacroMultiplicity(theA,_Kappa,_MeanTemperature,nu,_theClusters);
136 138
137 _ChemPotentialMu = theMultip->CalcChemicalPo 139 _ChemPotentialMu = theMultip->CalcChemicalPotentialMu();
138 _MeanMultiplicity = theMultip->GetMeanMultip 140 _MeanMultiplicity = theMultip->GetMeanMultiplicity();
139 141
140 delete theMultip; 142 delete theMultip;
141 143
142 return; << 144 return;
>> 145
143 } 146 }
144 147