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25 // 25 //
26 // 26 //
27 // 27 //
28 // Hadronic Process: Nuclear De-excitations 28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 29 // by V. Lara
30 30
31 #include "G4StatMFMacroChemicalPotential.hh" 31 #include "G4StatMFMacroChemicalPotential.hh"
32 #include "G4PhysicalConstants.hh" 32 #include "G4PhysicalConstants.hh"
33 #include "G4Pow.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 accessible");
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 accessible");
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 accessible");
53 return true; 53 return true;
54 } 54 }
55 55
56 G4double G4StatMFMacroChemicalPotential::CalcC 56 G4double G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu(void)
57 // Calculate Chemical potential \nu 57 // Calculate Chemical potential \nu
58 { 58 {
59 G4Pow* g4calc = G4Pow::GetInstance(); 59 G4Pow* g4calc = G4Pow::GetInstance();
60 G4double CP = G4StatMFParameters::GetCoulomb 60 G4double CP = G4StatMFParameters::GetCoulomb();
61 61
62 // Initial value for _ChemPotentialNu 62 // Initial value for _ChemPotentialNu
63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMF 63 _ChemPotentialNu = (theZ/theA)*(8.0*G4StatMFParameters::GetGamma0()
64 +2.0*CP*g4calc->Z23(theA)) 64 +2.0*CP*g4calc->Z23(theA))
65 - 4.0*G4StatMFParameters::GetGamma0(); 65 - 4.0*G4StatMFParameters::GetGamma0();
66 66
67 G4double ChemPa = _ChemPotentialNu; 67 G4double ChemPa = _ChemPotentialNu;
68 G4double ChemPb = 0.5*_ChemPotentialNu; 68 G4double ChemPb = 0.5*_ChemPotentialNu;
69 69
70 G4double fChemPa = this->operator()(ChemPa); 70 G4double fChemPa = this->operator()(ChemPa);
71 G4double fChemPb = this->operator()(ChemPb); 71 G4double fChemPb = this->operator()(ChemPb);
72 72
73 if (fChemPa*fChemPb > 0.0) { 73 if (fChemPa*fChemPb > 0.0) {
74 // bracketing the solution 74 // bracketing the solution
75 if (fChemPa < 0.0) { 75 if (fChemPa < 0.0) {
76 do { 76 do {
77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa); 77 ChemPb -= 1.5*std::abs(ChemPb-ChemPa);
78 fChemPb = this->operator()(ChemPb); 78 fChemPb = this->operator()(ChemPb);
79 // Loop checking, 05-Aug-2015, Vladimir Ivan 79 // Loop checking, 05-Aug-2015, Vladimir Ivanchenko
80 } while (fChemPb < 0.0); 80 } while (fChemPb < 0.0);
81 } else { 81 } else {
82 do { 82 do {
83 ChemPb += 1.5*std::abs(ChemPb-ChemPa); 83 ChemPb += 1.5*std::abs(ChemPb-ChemPa);
84 fChemPb = this->operator()(ChemPb); 84 fChemPb = this->operator()(ChemPb);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan 85 // Loop checking, 05-Aug-2015, Vladimir Ivanchenko
86 } while (fChemPb > 0.0); 86 } while (fChemPb > 0.0);
87 } 87 }
88 } 88 }
89 89
90 G4Solver<G4StatMFMacroChemicalPotential> * t 90 G4Solver<G4StatMFMacroChemicalPotential> * theSolver =
91 new G4Solver<G4StatMFMacroChemicalPotentia 91 new G4Solver<G4StatMFMacroChemicalPotential>(100,1.e-4);
92 theSolver->SetIntervalLimits(ChemPa,ChemPb); 92 theSolver->SetIntervalLimits(ChemPa,ChemPb);
93 // if (!theSolver->Crenshaw(*this)) 93 // if (!theSolver->Crenshaw(*this))
94 if (!theSolver->Brent(*this)){ 94 if (!theSolver->Brent(*this)){
95 G4cout <<"G4StatMFMacroChemicalPotential:" 95 G4cout <<"G4StatMFMacroChemicalPotential:"<<" ChemPa="<<ChemPa
96 <<" ChemPb="<<ChemPb<< G4endl; 96 <<" ChemPb="<<ChemPb<< G4endl;
97 G4cout <<"G4StatMFMacroChemicalPotential:" 97 G4cout <<"G4StatMFMacroChemicalPotential:"<<" fChemPa="<<fChemPa
98 <<" fChemPb="<<fChemPb<< G4endl; 98 <<" fChemPb="<<fChemPb<< G4endl;
99 throw G4HadronicException(__FILE__, __LINE 99 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu: I couldn't find the root.");
100 } 100 }
101 _ChemPotentialNu = theSolver->GetRoot(); 101 _ChemPotentialNu = theSolver->GetRoot();
102 delete theSolver; 102 delete theSolver;
103 return _ChemPotentialNu; 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 += (n++) * (*i)->GetZARatio() * (*i)->GetMeanMultiplicity();
126 } 126 }
127 return MeanZ; 127 return MeanZ;
128 } 128 }
129 129
130 void G4StatMFMacroChemicalPotential::CalcChemi 130 void G4StatMFMacroChemicalPotential::CalcChemicalPotentialMu(const G4double nu)
131 // Calculate Chemical potential \mu 131 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult 132 // For that is necesary to calculate mean multiplicities
133 { 133 {
134 G4StatMFMacroMultiplicity * theMultip = new 134 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea 135 G4StatMFMacroMultiplicity(theA,_Kappa,_MeanTemperature,nu,_theClusters);
136 136
137 _ChemPotentialMu = theMultip->CalcChemicalPo 137 _ChemPotentialMu = theMultip->CalcChemicalPotentialMu();
138 _MeanMultiplicity = theMultip->GetMeanMultip 138 _MeanMultiplicity = theMultip->GetMeanMultiplicity();
139 139
140 delete theMultip; 140 delete theMultip;
141 141
142 return; 142 return;
143 } 143 }
144 144