1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // |
---|
27 | // |
---|
28 | // Hadronic Process: Nuclear De-excitations |
---|
29 | // by V. Lara (May 1998) |
---|
30 | |
---|
31 | #include "G4Fragment.hh" |
---|
32 | #include "G4HadronicException.hh" |
---|
33 | #include "G4HadTmpUtil.hh" |
---|
34 | |
---|
35 | |
---|
36 | // Default constructor |
---|
37 | G4Fragment::G4Fragment() : |
---|
38 | theA(0), |
---|
39 | theZ(0), |
---|
40 | theExcitationEnergy(0.0), |
---|
41 | theMomentum(0), |
---|
42 | theAngularMomentum(0), |
---|
43 | numberOfParticles(0), |
---|
44 | numberOfHoles(0), |
---|
45 | numberOfCharged(0), |
---|
46 | theParticleDefinition(0), |
---|
47 | theCreationTime(0.0) |
---|
48 | #ifdef PRECOMPOUND_TEST |
---|
49 | ,theCreatorModel("No name") |
---|
50 | #endif |
---|
51 | {} |
---|
52 | |
---|
53 | // Copy Constructor |
---|
54 | G4Fragment::G4Fragment(const G4Fragment &right) |
---|
55 | { |
---|
56 | theA = right.theA; |
---|
57 | theZ = right.theZ; |
---|
58 | theExcitationEnergy = right.theExcitationEnergy; |
---|
59 | theMomentum = right.theMomentum; |
---|
60 | theAngularMomentum = right.theAngularMomentum; |
---|
61 | numberOfParticles = right.numberOfParticles; |
---|
62 | numberOfHoles = right.numberOfHoles; |
---|
63 | numberOfCharged = right.numberOfCharged; |
---|
64 | theParticleDefinition = right.theParticleDefinition; |
---|
65 | theCreationTime = right.theCreationTime; |
---|
66 | #ifdef PRECOMPOUND_TEST |
---|
67 | theCreatorModel = right.theCreatorModel; |
---|
68 | #endif |
---|
69 | } |
---|
70 | |
---|
71 | |
---|
72 | G4Fragment::~G4Fragment() |
---|
73 | { |
---|
74 | } |
---|
75 | |
---|
76 | |
---|
77 | G4Fragment::G4Fragment(const G4int A, const G4int Z, const G4LorentzVector aMomentum) : |
---|
78 | theA(A), |
---|
79 | theZ(Z), |
---|
80 | theMomentum(aMomentum), |
---|
81 | theAngularMomentum(0), |
---|
82 | numberOfParticles(0), |
---|
83 | numberOfHoles(0), |
---|
84 | numberOfCharged(0), |
---|
85 | theParticleDefinition(0), |
---|
86 | theCreationTime(0.0) |
---|
87 | #ifdef PRECOMPOUND_TEST |
---|
88 | ,theCreatorModel("No name") |
---|
89 | #endif |
---|
90 | { |
---|
91 | theExcitationEnergy = theMomentum.mag() - |
---|
92 | G4ParticleTable::GetParticleTable()->GetIonTable() |
---|
93 | ->GetIonMass( G4lrint(theZ), G4lrint(theA) ); |
---|
94 | if (theExcitationEnergy < 0.0) { |
---|
95 | if (theExcitationEnergy > -10.0 * eV || 0 == G4lrint(theA)) { |
---|
96 | theExcitationEnergy = 0.0; |
---|
97 | } else { |
---|
98 | G4cout << "A, Z, momentum, theExcitationEnergy"<< |
---|
99 | A<<" "<<Z<<" "<<aMomentum<<" "<<theExcitationEnergy<<G4endl; |
---|
100 | G4String text = "G4Fragment::G4Fragment Excitation Energy < 0.0!"; |
---|
101 | throw G4HadronicException(__FILE__, __LINE__, text); |
---|
102 | } |
---|
103 | } |
---|
104 | } |
---|
105 | |
---|
106 | |
---|
107 | // This constructor is for initialize photons |
---|
108 | G4Fragment::G4Fragment(const G4LorentzVector aMomentum, G4ParticleDefinition * aParticleDefinition) : |
---|
109 | theA(0), |
---|
110 | theZ(0), |
---|
111 | theMomentum(aMomentum), |
---|
112 | theAngularMomentum(0), |
---|
113 | numberOfParticles(0), |
---|
114 | numberOfHoles(0), |
---|
115 | numberOfCharged(0), |
---|
116 | theParticleDefinition(aParticleDefinition), |
---|
117 | theCreationTime(0.0) |
---|
118 | #ifdef PRECOMPOUND_TEST |
---|
119 | ,theCreatorModel("No name") |
---|
120 | #endif |
---|
121 | { |
---|
122 | theExcitationEnergy = CalculateExcitationEnergy(aMomentum); |
---|
123 | } |
---|
124 | |
---|
125 | |
---|
126 | |
---|
127 | const G4Fragment & G4Fragment::operator=(const G4Fragment &right) |
---|
128 | { |
---|
129 | if (this != &right) { |
---|
130 | theA = right.theA; |
---|
131 | theZ = right.theZ; |
---|
132 | theExcitationEnergy = right.theExcitationEnergy; |
---|
133 | theMomentum = right.theMomentum; |
---|
134 | theAngularMomentum = right.theAngularMomentum; |
---|
135 | numberOfParticles = right.numberOfParticles; |
---|
136 | numberOfHoles = right.numberOfHoles; |
---|
137 | numberOfCharged = right.numberOfCharged; |
---|
138 | theParticleDefinition = right.theParticleDefinition; |
---|
139 | theCreationTime = right.theCreationTime; |
---|
140 | #ifdef PRECOMPOUND_TEST |
---|
141 | theCreatorModel = right.theCreatorModel; |
---|
142 | #endif |
---|
143 | } |
---|
144 | return *this; |
---|
145 | } |
---|
146 | |
---|
147 | |
---|
148 | G4bool G4Fragment::operator==(const G4Fragment &right) const |
---|
149 | { |
---|
150 | return (this == (G4Fragment *) &right); |
---|
151 | } |
---|
152 | |
---|
153 | G4bool G4Fragment::operator!=(const G4Fragment &right) const |
---|
154 | { |
---|
155 | return (this != (G4Fragment *) &right); |
---|
156 | } |
---|
157 | |
---|
158 | |
---|
159 | std::ostream& operator << (std::ostream &out, const G4Fragment *theFragment) |
---|
160 | { |
---|
161 | std::ios::fmtflags old_floatfield = out.flags(); |
---|
162 | out.setf(std::ios::floatfield); |
---|
163 | |
---|
164 | out |
---|
165 | << "Fragment: A = " << std::setprecision(3) << theFragment->theA |
---|
166 | << ", Z = " << std::setprecision(3) << theFragment->theZ ; |
---|
167 | out.setf(std::ios::scientific,std::ios::floatfield); |
---|
168 | out |
---|
169 | << ", U = " << theFragment->GetExcitationEnergy()/MeV |
---|
170 | << " MeV" << G4endl |
---|
171 | << " P = (" |
---|
172 | << theFragment->theMomentum.x()/MeV << "," |
---|
173 | << theFragment->theMomentum.y()/MeV << "," |
---|
174 | << theFragment->theMomentum.z()/MeV |
---|
175 | << ") MeV E = " |
---|
176 | << theFragment->theMomentum.t()/MeV << " MeV"; |
---|
177 | |
---|
178 | // What about Angular momentum??? |
---|
179 | |
---|
180 | if (theFragment->GetNumberOfExcitons() != 0) { |
---|
181 | out << G4endl; |
---|
182 | out << " " |
---|
183 | << "#Particles = " << theFragment->numberOfParticles |
---|
184 | << ", #Holes = " << theFragment->numberOfHoles |
---|
185 | << ", #Charged = " << theFragment->numberOfCharged; |
---|
186 | } |
---|
187 | out.setf(old_floatfield,std::ios::floatfield); |
---|
188 | |
---|
189 | return out; |
---|
190 | |
---|
191 | } |
---|
192 | |
---|
193 | std::ostream& operator << (std::ostream &out, const G4Fragment &theFragment) |
---|
194 | { |
---|
195 | out << &theFragment; |
---|
196 | return out; |
---|
197 | } |
---|
198 | |
---|
199 | |
---|
200 | |
---|
201 | G4double G4Fragment::CalculateExcitationEnergy(const G4LorentzVector value) const |
---|
202 | { |
---|
203 | static G4int errCount(0); |
---|
204 | G4double theMaxGroundStateMass = theZ*G4Proton::Proton()->GetPDGMass()+ |
---|
205 | (theA-theZ)*G4Neutron::Neutron()->GetPDGMass(); |
---|
206 | G4double U = value.m() - std::min(theMaxGroundStateMass, GetGroundStateMass()); |
---|
207 | if( U < 0.0 ) { |
---|
208 | if( U > -10.0 * eV || 0==G4lrint(theA)){ |
---|
209 | U = 0.0; |
---|
210 | } else { |
---|
211 | if ( errCount < 10 ) { |
---|
212 | G4cerr << "G4Fragment::CalculateExcitationEnergy(): Excitation Energy =" |
---|
213 | <<U << " for A = "<<theA<<" and Z= "<<theZ<<G4endl |
---|
214 | << ", mass= " << GetGroundStateMass() << " maxMass= "<<theMaxGroundStateMass<<G4endl; ; |
---|
215 | errCount++; |
---|
216 | if (errCount == 10 ) G4cerr << "G4Fragment::CalculateExcitationEnergy():" |
---|
217 | << " further warnings on negative excitation will be supressed" << G4endl; |
---|
218 | } |
---|
219 | U=0.0; |
---|
220 | } |
---|
221 | } |
---|
222 | return U; |
---|
223 | } |
---|
224 | |
---|
225 | G4ThreeVector G4Fragment::IsotropicRandom3Vector(const G4double Magnitude) const |
---|
226 | // Create a unit vector with a random direction isotropically distributed |
---|
227 | { |
---|
228 | |
---|
229 | G4double CosTheta = 1.0 - 2.0*G4UniformRand(); |
---|
230 | G4double SinTheta = std::sqrt(1.0 - CosTheta*CosTheta); |
---|
231 | G4double Phi = twopi*G4UniformRand(); |
---|
232 | G4ThreeVector Vector(Magnitude*std::cos(Phi)*SinTheta, |
---|
233 | Magnitude*std::sin(Phi)*SinTheta, |
---|
234 | Magnitude*CosTheta); |
---|
235 | |
---|
236 | return Vector; |
---|
237 | |
---|
238 | } |
---|