| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 //
27 //
28 // Hadronic Process: Nuclear De-excitations
29 // by V. Lara
30
31 #include "G4StatMFFragment.hh"
32 #include "G4PhysicalConstants.hh"
33 #include "G4HadronicException.hh"
34 #include "G4Pow.hh"
35
36 // Copy constructor
37 G4StatMFFragment::G4StatMFFragment(const G4Sta
38 {
39 throw G4HadronicException(__FILE__, __LINE
40 }
41
42 // Operators
43
44 G4StatMFFragment & G4StatMFFragment::
45 operator=(const G4StatMFFragment & )
46 {
47 throw G4HadronicException(__FILE__, __LINE
48 return *this;
49 }
50
51 G4bool G4StatMFFragment::operator==(const G4St
52 {
53 // throw G4HadronicException(__FILE__, __LINE
54 return false;
55 }
56
57 G4bool G4StatMFFragment::operator!=(const G4St
58 {
59 // throw G4HadronicException(__FILE__, __LINE
60 return true;
61 }
62
63 G4double G4StatMFFragment::GetCoulombEnergy(vo
64 {
65 G4double res = 0.0;
66 if (theZ >= 1) {
67 res = G4StatMFParameters::GetCoulomb();
68 }
69 return res;
70 }
71
72 G4double G4StatMFFragment::GetEnergy(const G4d
73 {
74 if (theA < 1 || theZ < 0 || theZ > theA) {
75 G4cout << "G4StatMFFragment::GetEnergy: A
76 << ", Z = " << theZ << G4endl;
77 throw G4HadronicException(__FILE__, __LINE
78 "G4StatMFFragment::GetEnergy: Wron
79 }
80 G4double BulkEnergy = G4NucleiProperties::Ge
81
82 if (theA < 4) return BulkEnergy - GetCoulomb
83
84 G4double SurfaceEnergy;
85 if (G4StatMFParameters::DBetaDT(T) == 0.0) S
86 else SurfaceEnergy = 2.5*G4Pow::GetInstance(
87 G4StatMFParameters::GetBeta0()/
88 (G4StatMFParameters::GetCriticalTemp()*
89 G4StatMFParameters::GetCriticalTemp());
90
91 G4double ExchangeEnergy = theA*T*T/GetInvLev
92 if (theA != 4) ExchangeEnergy += SurfaceEner
93 return BulkEnergy + ExchangeEnergy - GetCoul
94 }
95
96 G4double G4StatMFFragment::GetInvLevelDensity(
97 {
98 G4double res = 0.0;
99 if (theA > 1) {
100 res = G4StatMFParameters::GetEpsilon0()*(
101 }
102 return res;
103 }
104
105 G4Fragment * G4StatMFFragment::GetFragment(con
106 {
107 G4double U = CalcExcitationEnergy(T);
108 G4double M = GetNuclearMass();
109 G4LorentzVector FourMomentum(_momentum,std::
110 G4Fragment * theFragment = new G4Fragment(th
111 return theFragment;
112 }
113
114 G4double G4StatMFFragment::CalcExcitationEnerg
115 {
116 if (theA <= 3) return 0.0;
117
118 G4double BulkEnergy = theA*T*T/GetInvLevelDe
119
120 // if it is an alpha particle: done
121 if (theA == 4) return BulkEnergy;
122
123 // Term connected with surface energy
124 G4double SurfaceEnergy = 0.0;
125 G4double q = G4StatMFParameters::DBetaDT(T);
126 if (std::abs(q) > 1.0e-20) {
127 SurfaceEnergy = 2.5*G4Pow::GetInstance()->
128 *(G4StatMFParameters::Beta(T) - T*q - G4
129 }
130 return BulkEnergy + SurfaceEnergy;
131 }
132