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>> 27 // $Id: G4StatMFMacroChemicalPotential.cc 100379 2016-10-19 15:05:35Z 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 #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
56 G4double G4StatMFMacroChemicalPotential::CalcC 57 G4double G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu(void)
57 // Calculate Chemical potential \nu 58 // Calculate Chemical potential \nu
58 { 59 {
59 G4Pow* g4calc = G4Pow::GetInstance(); 60 G4Pow* g4calc = G4Pow::GetInstance();
60 G4double CP = G4StatMFParameters::GetCoulomb 61 G4double CP = G4StatMFParameters::GetCoulomb();
61 62
62 // Initial value for _ChemPotentialNu 63 // Initial value for _ChemPotentialNu
63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMF 64 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMFParameters::GetGamma0()
64 +2.0*CP*g4calc->Z23(theA)) 65 +2.0*CP*g4calc->Z23(theA))
65 - 4.0*G4StatMFParameters::GetGamma0(); 66 - 4.0*G4StatMFParameters::GetGamma0();
66 67
67 G4double ChemPa = _ChemPotentialNu; 68 G4double ChemPa = _ChemPotentialNu;
68 G4double ChemPb = 0.5*_ChemPotentialNu; 69 G4double ChemPb = 0.5*_ChemPotentialNu;
69 70
70 G4double fChemPa = this->operator()(ChemPa); 71 G4double fChemPa = this->operator()(ChemPa);
71 G4double fChemPb = this->operator()(ChemPb); 72 G4double fChemPb = this->operator()(ChemPb);
72 73
73 if (fChemPa*fChemPb > 0.0) { 74 if (fChemPa*fChemPb > 0.0) {
74 // bracketing the solution 75 // bracketing the solution
75 if (fChemPa < 0.0) { 76 if (fChemPa < 0.0) {
76 do { 77 do {
77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa); 78 ChemPb -= 1.5*std::abs(ChemPb-ChemPa);
78 fChemPb = this->operator()(ChemPb); 79 fChemPb = this->operator()(ChemPb);
79 // Loop checking, 05-Aug-2015, Vladimir Ivan 80 // Loop checking, 05-Aug-2015, Vladimir Ivanchenko
80 } while (fChemPb < 0.0); 81 } while (fChemPb < 0.0);
81 } else { 82 } else {
82 do { 83 do {
83 ChemPb += 1.5*std::abs(ChemPb-ChemPa); 84 ChemPb += 1.5*std::abs(ChemPb-ChemPa);
84 fChemPb = this->operator()(ChemPb); 85 fChemPb = this->operator()(ChemPb);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan 86 // Loop checking, 05-Aug-2015, Vladimir Ivanchenko
86 } while (fChemPb > 0.0); 87 } while (fChemPb > 0.0);
87 } 88 }
88 } 89 }
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 G4cout <<"G4StatMFMacroChemicalPotential:"<<" ChemPa="<<ChemPa
96 <<" ChemPb="<<ChemPb<< G4endl; 97 <<" ChemPb="<<ChemPb<< G4endl;
97 G4cout <<"G4StatMFMacroChemicalPotential:" 98 G4cout <<"G4StatMFMacroChemicalPotential:"<<" fChemPa="<<fChemPa
98 <<" fChemPb="<<fChemPb<< G4endl; 99 <<" fChemPb="<<fChemPb<< G4endl;
99 throw G4HadronicException(__FILE__, __LINE 100 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu: I couldn't find the root.");
100 } 101 }
101 _ChemPotentialNu = theSolver->GetRoot(); 102 _ChemPotentialNu = theSolver->GetRoot();
102 delete theSolver; 103 delete theSolver;
103 return _ChemPotentialNu; 104 return _ChemPotentialNu;
104 } 105 }
105 106
106 107
107 108
108 G4double G4StatMFMacroChemicalPotential::CalcM 109 G4double G4StatMFMacroChemicalPotential::CalcMeanZ(const G4double nu)
109 { 110 {
110 std::vector<G4VStatMFMacroCluster*>::iterato 111 std::vector<G4VStatMFMacroCluster*>::iterator i;
111 for (i= _theClusters->begin()+1; i != _theCl 112 for (i= _theClusters->begin()+1; i != _theClusters->end(); ++i)
112 { 113 {
113 (*i)->CalcZARatio(nu); 114 (*i)->CalcZARatio(nu);
114 } 115 }
115 CalcChemicalPotentialMu(nu); 116 CalcChemicalPotentialMu(nu);
116 // This is important, the Z over A ratio for 117 // This is important, the Z over A ratio for proton and neutron depends on the
117 // chemical potential Mu, while for the firs 118 // chemical potential Mu, while for the first guess for Chemical potential mu
118 // some values of Z over A ratio. This is th 119 // some values of Z over A ratio. This is the reason for that.
119 (*_theClusters->begin())->CalcZARatio(nu); 120 (*_theClusters->begin())->CalcZARatio(nu);
120 121
121 G4double MeanZ = 0.0; 122 G4double MeanZ = 0.0;
122 G4int n = 1; 123 G4int n = 1;
123 for (i = _theClusters->begin(); i != _theClu 124 for (i = _theClusters->begin(); i != _theClusters->end(); ++i)
124 { 125 {
125 MeanZ += (n++) * (*i)->GetZARatio() * (* 126 MeanZ += (n++) * (*i)->GetZARatio() * (*i)->GetMeanMultiplicity();
126 } 127 }
127 return MeanZ; 128 return MeanZ;
128 } 129 }
129 130
130 void G4StatMFMacroChemicalPotential::CalcChemi 131 void G4StatMFMacroChemicalPotential::CalcChemicalPotentialMu(const G4double nu)
131 // Calculate Chemical potential \mu 132 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult 133 // For that is necesary to calculate mean multiplicities
133 { 134 {
134 G4StatMFMacroMultiplicity * theMultip = new 135 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea 136 G4StatMFMacroMultiplicity(theA,_Kappa,_MeanTemperature,nu,_theClusters);
136 137
137 _ChemPotentialMu = theMultip->CalcChemicalPo 138 _ChemPotentialMu = theMultip->CalcChemicalPotentialMu();
138 _MeanMultiplicity = theMultip->GetMeanMultip 139 _MeanMultiplicity = theMultip->GetMeanMultiplicity();
139 140
140 delete theMultip; 141 delete theMultip;
141 142
142 return; 143 return;
143 } 144 }
144 145