source: trunk/examples/extended/electromagnetic/TestEm0/DirectAccess.cc@ 1237

Last change on this file since 1237 was 1230, checked in by garnier, 16 years ago

update to geant4.9.3
File size: 11.3 KB
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25//
26//
27// $Id: DirectAccess.cc,v 1.2 2006/06/29 16:35:25 gunter Exp $
28// GEANT4 tag $Name: geant4-09-03-cand-01 $
29//
30// ------------------------------------------------------------
31//
32// To print cross sections per atom and mean free path for simple material
33//
34#include "G4Material.hh"
35
36#include "G4PEEffectModel.hh"
37#include "G4KleinNishinaCompton.hh"
38#include "G4BetheHeitlerModel.hh"
39
40#include "G4eeToTwoGammaModel.hh"
41
42#include "G4MollerBhabhaModel.hh"
43#include "G4eBremsstrahlungModel.hh"
44
45#include "G4BetheBlochModel.hh"
46#include "G4BraggModel.hh"
47
48#include "G4MuBetheBlochModel.hh"
49#include "G4MuBremsstrahlungModel.hh"
50#include "G4MuPairProductionModel.hh"
51
52#include "globals.hh"
53#include "G4UnitsTable.hh"
54
55#include "G4Gamma.hh"
56#include "G4Positron.hh"
57#include "G4Electron.hh"
58#include "G4Proton.hh"
59#include "G4MuonPlus.hh"
60
61int main() {
62
63 G4UnitDefinition::BuildUnitsTable();
64
65 // define materials
66 //
67 G4double Z, A;
68
69 G4Material* material =
70 new G4Material("Iodine", Z=53., A=126.90*g/mole, 4.93*g/cm3);
71
72 G4cout << *(G4Material::GetMaterialTable()) << G4endl;
73
74//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75
76 // initialise gamma processes (models)
77 //
78 G4ParticleDefinition* gamma = G4Gamma::Gamma();
79
80 G4VEmModel* phot = new G4PEEffectModel();
81 G4VEmModel* comp = new G4KleinNishinaCompton();
82 G4VEmModel* conv = new G4BetheHeitlerModel();
83
84 // compute CrossSection per atom and MeanFreePath
85 //
86 G4double Emin = 1.01*MeV, Emax = 2.01*MeV, dE = 100*keV;
87
88 G4cout << "\n #### Gamma : CrossSectionPerAtom and MeanFreePath for "
89 << material->GetName() << G4endl;
90 G4cout << "\n Energy \t PhotoElec \t Compton \t Conversion \t";
91 G4cout << "\t PhotoElec \t Compton \t Conversion" << G4endl;
92
93 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
94 G4cout << "\n " << G4BestUnit (Energy, "Energy")
95 << "\t"
96 << G4BestUnit (phot->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface")
97 << "\t"
98 << G4BestUnit (comp->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface")
99 << "\t"
100 << G4BestUnit (conv->ComputeCrossSectionPerAtom(gamma,Energy,Z), "Surface")
101 << "\t \t"
102 << G4BestUnit (phot->ComputeMeanFreePath(gamma,Energy,material), "Length")
103 << "\t"
104 << G4BestUnit (comp->ComputeMeanFreePath(gamma,Energy,material), "Length")
105 << "\t"
106 << G4BestUnit (conv->ComputeMeanFreePath(gamma,Energy,material), "Length");
107 }
108
109 G4cout << G4endl;
110
111//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
112
113 // initialise positron annihilation (model)
114 //
115 G4ParticleDefinition* posit = G4Positron::Positron();
116
117 G4VEmModel* anni = new G4eeToTwoGammaModel();
118
119 // compute CrossSection per atom and MeanFreePath
120 //
121 Emin = 1.01*MeV; Emax = 2.01*MeV; dE = 100*keV;
122
123 G4cout << "\n #### e+ annihilation : CrossSectionPerAtom and MeanFreePath for "
124 << material->GetName() << G4endl;
125 G4cout << "\n Energy \t e+ annihil \t";
126 G4cout << "\t e+ annihil" << G4endl;
127
128 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
129 G4cout << "\n " << G4BestUnit (Energy, "Energy")
130 << "\t"
131 << G4BestUnit (anni->ComputeCrossSectionPerAtom(posit,Energy,Z), "Surface")
132 << "\t \t"
133 << G4BestUnit (anni->ComputeMeanFreePath(posit,Energy,material), "Length");
134 }
135
136 G4cout << G4endl;
137
138//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
139
140 // initialise electron processes (models)
141 //
142 G4ParticleDefinition* elec = G4Electron::Electron();
143
144 G4VEmModel* ioni = new G4MollerBhabhaModel();
145 G4VEmModel* brem = new G4eBremsstrahlungModel();
146
147 // compute CrossSection per atom and MeanFreePath
148 //
149 Emin = 1.01*MeV; Emax = 101.01*MeV; dE = 10*MeV;
150 G4double Ecut = 100*keV;
151
152 G4cout << "\n ####electron: CrossSection, MeanFreePath and StoppingPower for "
153 << material->GetName()
154 << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
155
156 G4cout << "\n Energy \t ionization \t bremsstra \t";
157 G4cout << "\t ionization \t bremsstra \t";
158 G4cout << "\t ionization \t bremsstra" << G4endl;
159
160 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
161 G4cout << "\n " << G4BestUnit (Energy, "Energy")
162 << "\t"
163 << G4BestUnit (ioni->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
164 "Surface")
165 << "\t"
166 << G4BestUnit (brem->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
167 "Surface")
168 << "\t \t"
169 << G4BestUnit (ioni->ComputeMeanFreePath(elec,Energy,material,Ecut),
170 "Length")
171 << "\t"
172 << G4BestUnit (brem->ComputeMeanFreePath(elec,Energy,material,Ecut),
173 "Length")
174 << "\t \t"
175 << G4BestUnit (ioni->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
176 "Energy/Length")
177 << "\t"
178 << G4BestUnit (brem->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
179 "Energy/Length");
180 }
181
182 G4cout << G4endl;
183
184//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185
186
187 // initialise proton processes (models)
188 //
189 G4ParticleDefinition* prot = G4Proton::Proton();
190
191 ioni = new G4BetheBlochModel(prot);
192
193 // compute CrossSection per atom and MeanFreePath
194 //
195 Emin = 1.01*MeV; Emax = 102.01*MeV; dE = 10*MeV;
196 Ecut = 100*keV;
197
198 G4cout << "\n #### proton : CrossSection, MeanFreePath and StoppingPower for "
199 << material->GetName()
200 << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
201
202 G4cout << "\n Energy \t ionization \t";
203 G4cout << "\t ionization \t";
204 G4cout << "\t ionization" << G4endl;
205
206 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
207 G4cout << "\n " << G4BestUnit (Energy, "Energy")
208 << "\t"
209 << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
210 "Surface")
211 << "\t \t"
212 << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
213 "Length")
214 << "\t \t"
215 << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
216 "Energy/Length");
217 }
218
219 G4cout << G4endl;
220
221 // low energy : Bragg Model
222
223 ioni = new G4BraggModel(prot);
224
225 // compute CrossSection per atom and MeanFreePath
226 //
227 Emin = 1.1*keV; Emax = 2.01*MeV; dE = 300*keV;
228 Ecut = 10*keV;
229
230 G4cout << "\n #### proton : low energy model (Bragg) "
231 << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
232
233 G4cout << "\n Energy \t ionization \t";
234 G4cout << "\t ionization \t";
235 G4cout << "\t ionization" << G4endl;
236
237 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
238 G4cout << "\n " << G4BestUnit (Energy, "Energy")
239 << "\t"
240 << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
241 "Surface")
242 << "\t \t"
243 << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
244 "Length")
245 << "\t \t"
246 << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
247 "Energy/Length");
248 }
249
250 G4cout << G4endl;
251
252//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
253
254 // initialise muon processes (models)
255 //
256 G4ParticleDefinition* muon = G4MuonPlus::MuonPlus();
257
258 ioni = new G4MuBetheBlochModel(muon);
259 brem = new G4MuBremsstrahlungModel(muon);
260 G4VEmModel* pair = new G4MuPairProductionModel(muon);
261
262 // compute CrossSection per atom and MeanFreePath
263 //
264 Emin = 1.01*GeV; Emax = 101.01*GeV; dE = 10*GeV;
265 Ecut = 10*MeV;
266
267 G4cout << "\n ####muon: CrossSection and MeanFreePath for "
268 << material->GetName()
269 << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
270
271 G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t";
272 G4cout << "\t ionization \t bremsstra \t pair_prod" << G4endl;
273
274 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
275 G4cout << "\n " << G4BestUnit (Energy, "Energy")
276 << "\t"
277 << G4BestUnit (ioni->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
278 "Surface")
279 << "\t"
280 << G4BestUnit (brem->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
281 "Surface")
282 << "\t"
283 << G4BestUnit (pair->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
284 "Surface")
285 << "\t \t"
286 << G4BestUnit (ioni->ComputeMeanFreePath(muon,Energy,material,Ecut),
287 "Length")
288 << "\t"
289 << G4BestUnit (brem->ComputeMeanFreePath(muon,Energy,material,Ecut),
290 "Length")
291 << "\t"
292 << G4BestUnit (pair->ComputeMeanFreePath(muon,Energy,material,Ecut),
293 "Length");
294 }
295
296 G4cout << G4endl;
297
298 G4cout << "\n ####muon: StoppingPower for "
299 << material->GetName()
300 << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
301
302 G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t" << G4endl;
303
304 for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
305 G4cout << "\n " << G4BestUnit (Energy, "Energy")
306 << "\t"
307 << G4BestUnit (ioni->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
308 "Energy/Length")
309 << "\t"
310 << G4BestUnit (brem->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
311 "Energy/Length")
312 << "\t"
313 << G4BestUnit (pair->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
314 "Energy/Length");
315 }
316
317 G4cout << G4endl;
318
319//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
320
321return EXIT_SUCCESS;
322}
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