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25 // 22 //
26 // 23 //
>> 24 // $Id: G4StatMFMacroChemicalPotential.cc,v 1.4 2005/06/04 13:27:48 jwellisc Exp $
>> 25 // GEANT4 tag $Name: geant4-08-00-patch-01 $
27 // 26 //
28 // Hadronic Process: Nuclear De-excitations 27 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara 28 // by V. Lara
30 29
>> 30
31 #include "G4StatMFMacroChemicalPotential.hh" 31 #include "G4StatMFMacroChemicalPotential.hh"
32 #include "G4PhysicalConstants.hh" <<
33 #include "G4Pow.hh" <<
34 32
35 // operators definitions 33 // operators definitions
36 G4StatMFMacroChemicalPotential & 34 G4StatMFMacroChemicalPotential &
37 G4StatMFMacroChemicalPotential::operator=(cons 35 G4StatMFMacroChemicalPotential::operator=(const G4StatMFMacroChemicalPotential & )
38 { 36 {
39 throw G4HadronicException(__FILE__, __LINE << 37 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator= meant to not be accessable");
40 return *this; 38 return *this;
41 } 39 }
42 40
43 G4bool G4StatMFMacroChemicalPotential::operato 41 G4bool G4StatMFMacroChemicalPotential::operator==(const G4StatMFMacroChemicalPotential & ) const
44 { 42 {
45 throw G4HadronicException(__FILE__, __LINE << 43 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator== meant to not be accessable");
46 return false; 44 return false;
47 } 45 }
48 46
49 47
50 G4bool G4StatMFMacroChemicalPotential::operato 48 G4bool G4StatMFMacroChemicalPotential::operator!=(const G4StatMFMacroChemicalPotential & ) const
51 { 49 {
52 throw G4HadronicException(__FILE__, __LINE << 50 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::operator!= meant to not be accessable");
53 return true; 51 return true;
54 } 52 }
55 53
>> 54
>> 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 G4double CP = ((3./5.)*elm_coupling/G4StatMFParameters::Getr0())*
60 G4double CP = G4StatMFParameters::GetCoulomb << 61 (1.0-1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1.0/3.0));
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()+2.0*CP*std::pow(theA,2./3.)) -
64 +2.0*CP*g4calc->Z23(theA)) << 65 4.0*G4StatMFParameters::GetGamma0();
65 - 4.0*G4StatMFParameters::GetGamma0(); <<
66 66
67 G4double ChemPa = _ChemPotentialNu; << 67
68 G4double ChemPb = 0.5*_ChemPotentialNu; << 68 G4double ChemPa = _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 } 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 } while (fChemPb > 0.0);
85 // Loop checking, 05-Aug-2015, Vladimir Ivan << 86 }
86 } while (fChemPb > 0.0); <<
87 } 87 }
88 } <<
89 88
90 G4Solver<G4StatMFMacroChemicalPotential> * t << 89 G4Solver<G4StatMFMacroChemicalPotential> * theSolver =
91 new G4Solver<G4StatMFMacroChemicalPotentia << 90 new G4Solver<G4StatMFMacroChemicalPotential>(100,1.e-4);
92 theSolver->SetIntervalLimits(ChemPa,ChemPb); << 91 theSolver->SetIntervalLimits(ChemPa,ChemPb);
93 // if (!theSolver->Crenshaw(*this)) << 92 // if (!theSolver->Crenshaw(*this))
94 if (!theSolver->Brent(*this)){ << 93 if (!theSolver->Brent(*this))
95 G4cout <<"G4StatMFMacroChemicalPotential:" << 94 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroChemicalPotential::CalcChemicalPotentialNu: I couldn't find the root.");
96 <<" ChemPb="<<ChemPb<< G4endl; << 95 _ChemPotentialNu = theSolver->GetRoot();
97 G4cout <<"G4StatMFMacroChemicalPotential:" << 96 delete theSolver;
98 <<" fChemPb="<<fChemPb<< G4endl; << 97 return _ChemPotentialNu;
99 throw G4HadronicException(__FILE__, __LINE <<
100 } <<
101 _ChemPotentialNu = theSolver->GetRoot(); <<
102 delete theSolver; <<
103 return _ChemPotentialNu; <<
104 } 98 }
105 99
106 100
107 101
108 G4double G4StatMFMacroChemicalPotential::CalcM 102 G4double G4StatMFMacroChemicalPotential::CalcMeanZ(const G4double nu)
109 { 103 {
110 std::vector<G4VStatMFMacroCluster*>::iterato 104 std::vector<G4VStatMFMacroCluster*>::iterator i;
111 for (i= _theClusters->begin()+1; i != _theCl 105 for (i= _theClusters->begin()+1; i != _theClusters->end(); ++i)
112 { 106 {
113 (*i)->CalcZARatio(nu); 107 (*i)->CalcZARatio(nu);
114 } 108 }
115 CalcChemicalPotentialMu(nu); 109 CalcChemicalPotentialMu(nu);
116 // This is important, the Z over A ratio for 110 // This is important, the Z over A ratio for proton and neutron depends on the
117 // chemical potential Mu, while for the firs 111 // chemical potential Mu, while for the first guess for Chemical potential mu
118 // some values of Z over A ratio. This is th 112 // some values of Z over A ratio. This is the reason for that.
119 (*_theClusters->begin())->CalcZARatio(nu); 113 (*_theClusters->begin())->CalcZARatio(nu);
120 114
121 G4double MeanZ = 0.0; 115 G4double MeanZ = 0.0;
122 G4int n = 1; 116 G4int n = 1;
123 for (i = _theClusters->begin(); i != _theClu 117 for (i = _theClusters->begin(); i != _theClusters->end(); ++i)
124 { 118 {
125 MeanZ += (n++) * (*i)->GetZARatio() * (* << 119 MeanZ += static_cast<G4double>(n++) *
>> 120 (*i)->GetZARatio() *
>> 121 (*i)->GetMeanMultiplicity();
126 } 122 }
127 return MeanZ; 123 return MeanZ;
128 } 124 }
129 125
>> 126
130 void G4StatMFMacroChemicalPotential::CalcChemi 127 void G4StatMFMacroChemicalPotential::CalcChemicalPotentialMu(const G4double nu)
131 // Calculate Chemical potential \mu << 128 // Calculate Chemical potential \mu
132 // For that is necesary to calculate mean mult << 129 // For that is necesary to calculate mean multiplicities
133 { 130 {
134 G4StatMFMacroMultiplicity * theMultip = new 131 G4StatMFMacroMultiplicity * theMultip = new
135 G4StatMFMacroMultiplicity(theA,_Kappa,_Mea 132 G4StatMFMacroMultiplicity(theA,_Kappa,_MeanTemperature,nu,_theClusters);
136 133
137 _ChemPotentialMu = theMultip->CalcChemicalPo 134 _ChemPotentialMu = theMultip->CalcChemicalPotentialMu();
138 _MeanMultiplicity = theMultip->GetMeanMultip 135 _MeanMultiplicity = theMultip->GetMeanMultiplicity();
139 136
140 delete theMultip; 137 delete theMultip;
141 138
142 return; << 139 return;
>> 140
143 } 141 }
144 142