source: trunk/source/processes/electromagnetic/standard/test/CrossSectionStd.cc @ 1199

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27// $Id: CrossSectionStd.cc,v 1.5 2006/06/29 19:54:07 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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