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26 // 23 //
>> 24 // $Id: G4StatMFMacroTetraNucleon.cc,v 1.4 2005/06/04 13:27:49 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
31 #include "G4StatMFMacroTetraNucleon.hh" 30 #include "G4StatMFMacroTetraNucleon.hh"
32 #include "G4PhysicalConstants.hh" <<
33 #include "G4SystemOfUnits.hh" <<
34 #include "G4Log.hh" <<
35 #include "G4Exp.hh" <<
36 #include "G4Pow.hh" <<
37 <<
38 G4StatMFMacroTetraNucleon::G4StatMFMacroTetraN <<
39 : G4VStatMFMacroCluster(4) <<
40 {} <<
41 <<
42 G4StatMFMacroTetraNucleon::~G4StatMFMacroTetra <<
43 {} <<
44 <<
45 G4double <<
46 G4StatMFMacroTetraNucleon::CalcMeanMultiplicit <<
47 const G4double mu, <<
48 const G4double nu, <<
49 const G4double T) <<
50 { <<
51 G4double ThermalWaveLenght = 16.15*fermi/std <<
52 G4double lambda3 = ThermalWaveLenght*Thermal <<
53 static const G4double degeneracy = 1; // He <<
54 31
55 //old value was 30.11*MeV << 32 // Copy constructor
56 G4double BindingE = G4NucleiProperties::GetB << 33 G4StatMFMacroTetraNucleon::
>> 34 G4StatMFMacroTetraNucleon(const G4StatMFMacroTetraNucleon & ) :
>> 35 G4VStatMFMacroCluster(0) // Beacuse the def. constr. of base class is private
>> 36 {
>> 37 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTetraNucleon::copy_constructor meant to not be accessable");
>> 38 }
>> 39
>> 40 // Operators
>> 41
>> 42 G4StatMFMacroTetraNucleon & G4StatMFMacroTetraNucleon::
>> 43 operator=(const G4StatMFMacroTetraNucleon & )
>> 44 {
>> 45 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTetraNucleon::operator= meant to not be accessable");
>> 46 return *this;
>> 47 }
>> 48
>> 49
>> 50 G4bool G4StatMFMacroTetraNucleon::operator==(const G4StatMFMacroTetraNucleon & ) const
>> 51 {
>> 52 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTetraNucleon::operator== meant to not be accessable");
>> 53 return false;
>> 54 }
>> 55
>> 56
>> 57 G4bool G4StatMFMacroTetraNucleon::operator!=(const G4StatMFMacroTetraNucleon & ) const
>> 58 {
>> 59 throw G4HadronicException(__FILE__, __LINE__, "G4StatMFMacroTetraNucleon::operator!= meant to not be accessable");
>> 60 return true;
>> 61 }
>> 62
>> 63
>> 64
>> 65 G4double G4StatMFMacroTetraNucleon::CalcMeanMultiplicity(const G4double FreeVol, const G4double mu,
>> 66 const G4double nu, const G4double T)
>> 67 {
>> 68 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
>> 69
>> 70 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
>> 71
>> 72 const G4double degeneracy = 1; // He4
>> 73
>> 74 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
>> 75 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
>> 76
>> 77 const G4double BindingE = G4NucleiPropertiesTable::GetBindingEnergy(2,theA); //old value was 30.11*MeV
57 78
58 G4double exponent = (BindingE + theA*(mu+nu* << 79 G4double exponent = (BindingE + theA*(mu+nu*theZARatio+T*T/_InvLevelDensity) -
59 - G4StatMFParameters::GetCoulomb()* << 80 Coulomb*theZARatio*theZARatio*std::pow(static_cast<G4double>(theA),5./3.))/T;
60 theA*G4Pow::GetInstance()->Z23(theA << 81 if (exponent > 700.0) exponent = 700.0;
61 if (exponent > 300.0) exponent = 300.0; <<
62 82
63 _MeanMultiplicity = ( degeneracy*FreeVol*the << 83 _MeanMultiplicity = ( degeneracy*FreeVol* static_cast<G4double>(theA)*
64 G4Exp(exponent); << 84 std::sqrt(static_cast<G4double>(theA))/lambda3)*
>> 85 std::exp(exponent);
65 86
66 return _MeanMultiplicity; << 87 return _MeanMultiplicity;
67 } 88 }
68 89
>> 90
69 G4double G4StatMFMacroTetraNucleon::CalcEnergy 91 G4double G4StatMFMacroTetraNucleon::CalcEnergy(const G4double T)
70 { 92 {
71 return _Energy = -G4NucleiProperties::GetBin << 93 const G4double Coulomb = (3./5.)*(elm_coupling/G4StatMFParameters::Getr0())*
72 G4StatMFParameters::GetCoulomb() * theZARa << 94 (1.0 - 1.0/std::pow(1.0+G4StatMFParameters::GetKappaCoulomb(),1./3.));
73 theA*G4Pow::GetInstance()->Z23(theA) + << 95
74 1.5 * T + theA * T*T/_InvLevelDensity; << 96 return _Energy = -G4NucleiPropertiesTable::GetBindingEnergy(2,theA) +
75 } << 97 Coulomb * theZARatio * theZARatio * std::pow(static_cast<G4double>(theA),5./3.) +
76 << 98 (3./2.) * T +
77 G4double << 99 theA * T*T/_InvLevelDensity;
78 G4StatMFMacroTetraNucleon::CalcEntropy(const G << 100
79 const G4double FreeVol) << 101 }
80 { << 102
81 G4double Entropy = 0.0; << 103
82 if (_MeanMultiplicity > 0.0) { << 104
83 G4double ThermalWaveLenght = 16.15*fermi/s << 105 G4double G4StatMFMacroTetraNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
84 G4double lambda3 = ThermalWaveLenght*Therm << 106 {
85 Entropy = _MeanMultiplicity*(2.5 + G4Log(8 << 107 const G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
86 8.0*T/_InvLevelDensity; << 108 const G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
87 } << 109
88 return Entropy; << 110 G4double Entropy = 0.0;
>> 111 if (_MeanMultiplicity > 0.0)
>> 112 Entropy = _MeanMultiplicity*(5./2.+
>> 113 std::log(8.0*FreeVol/(lambda3*_MeanMultiplicity)))+ // 8 = theA*std::sqrt(theA)
>> 114 8.0*T/_InvLevelDensity;
>> 115
>> 116 return Entropy;
89 } 117 }
90 118