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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 "G4StatMFMacroTriNucleon.hh" 31 #include "G4StatMFMacroTriNucleon.hh"
32 #include "G4PhysicalConstants.hh" 32 #include "G4PhysicalConstants.hh"
33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
34 #include "G4Log.hh" 34 #include "G4Log.hh"
35 #include "G4Exp.hh" 35 #include "G4Exp.hh"
36 #include "G4Pow.hh" 36 #include "G4Pow.hh"
37 37
38 G4StatMFMacroTriNucleon::G4StatMFMacroTriNucle 38 G4StatMFMacroTriNucleon::G4StatMFMacroTriNucleon()
39 : G4VStatMFMacroCluster(3) 39 : G4VStatMFMacroCluster(3)
40 {} 40 {}
41 41
42 G4StatMFMacroTriNucleon::~G4StatMFMacroTriNucl 42 G4StatMFMacroTriNucleon::~G4StatMFMacroTriNucleon()
43 {} 43 {}
44 44
45 G4double 45 G4double
46 G4StatMFMacroTriNucleon::CalcMeanMultiplicity( 46 G4StatMFMacroTriNucleon::CalcMeanMultiplicity(const G4double FreeVol,
47 const G4double mu, 47 const G4double mu,
48 const G4double nu, 48 const G4double nu,
49 const G4double T) 49 const G4double T)
50 { 50 {
51 G4double ThermalWaveLenght = 16.15*fermi/std 51 G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
52 G4double lambda3 = ThermalWaveLenght*Thermal 52 G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
53 static const G4double degeneracy = 4.0; // 53 static const G4double degeneracy = 4.0; // H3 + He3
54 54
55 // old value was 9.224*MeV 55 // old value was 9.224*MeV
56 G4double BindingE = G4NucleiProperties::GetB 56 G4double BindingE = G4NucleiProperties::GetBindingEnergy(theA,1);
57 // + G4NucleiProperties::GetBindingEnergy 57 // + G4NucleiProperties::GetBindingEnergy(theA,2);
58 58
59 G4double exponent = (BindingE+ theA*(mu+nu*t 59 G4double exponent = (BindingE+ theA*(mu+nu*theZARatio) -
60 G4StatMFParameters::GetCoulomb()*th 60 G4StatMFParameters::GetCoulomb()*theZARatio*theZARatio
61 *theA*G4Pow::GetInstance()->Z23(the 61 *theA*G4Pow::GetInstance()->Z23(theA))/T;
62 if (exponent > 300.0) exponent = 300.0; 62 if (exponent > 300.0) exponent = 300.0;
63 63
64 _MeanMultiplicity = (degeneracy*FreeVol*theA 64 _MeanMultiplicity = (degeneracy*FreeVol*theA*std::sqrt((G4double)theA)/lambda3)*
65 G4Exp(exponent); 65 G4Exp(exponent);
66 66
67 return _MeanMultiplicity; 67 return _MeanMultiplicity;
68 } 68 }
69 69
70 G4double G4StatMFMacroTriNucleon::CalcEnergy(c 70 G4double G4StatMFMacroTriNucleon::CalcEnergy(const G4double T)
71 { 71 {
72 return _Energy = -G4NucleiProperties::GetBi 72 return _Energy = -G4NucleiProperties::GetBindingEnergy(theA,1) +
73 G4StatMFParameters::GetCoulomb() * theZARa 73 G4StatMFParameters::GetCoulomb() * theZARatio * theZARatio
74 * theA*G4Pow::GetInstance()->Z23(theA) + 1 74 * theA*G4Pow::GetInstance()->Z23(theA) + 1.5 * T;
75 } 75 }
76 76
77 G4double 77 G4double
78 G4StatMFMacroTriNucleon::CalcEntropy(const G4d 78 G4StatMFMacroTriNucleon::CalcEntropy(const G4double T, const G4double FreeVol)
79 { 79 {
80 G4double Entropy = 0.0; 80 G4double Entropy = 0.0;
81 if (_MeanMultiplicity > 0.0) { 81 if (_MeanMultiplicity > 0.0) {
82 G4double ThermalWaveLenght = 16.15*fermi/s 82 G4double ThermalWaveLenght = 16.15*fermi/std::sqrt(T);
83 G4double lambda3 = ThermalWaveLenght*Therm 83 G4double lambda3 = ThermalWaveLenght*ThermalWaveLenght*ThermalWaveLenght;
84 Entropy = _MeanMultiplicity*(2.5 + G4Log(( 84 Entropy = _MeanMultiplicity*(2.5 + G4Log((4*theA)*std::sqrt((G4double)theA)
85 *FreeVol/(lambda3*_MeanMultipli 85 *FreeVol/(lambda3*_MeanMultiplicity)));
86 } 86 }
87 return Entropy; 87 return Entropy;
88 } 88 }
89 89