Geant4  10.01
DirectAccess.cc
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30 // $Id: DirectAccess.cc 74920 2013-10-24 14:21:59Z gcosmo $
31 //
32 // ------------------------------------------------------------
33 //
34 // To print cross sections per atom and mean free path for simple material
35 //
36 #include "G4Material.hh"
37 
38 #include "G4PEEffectFluoModel.hh"
39 #include "G4KleinNishinaCompton.hh"
40 #include "G4BetheHeitlerModel.hh"
41 
42 #include "G4eeToTwoGammaModel.hh"
43 
44 #include "G4MollerBhabhaModel.hh"
45 #include "G4SeltzerBergerModel.hh"
46 
47 #include "G4BetheBlochModel.hh"
48 #include "G4BraggModel.hh"
49 
50 #include "G4MuBetheBlochModel.hh"
51 #include "G4MuBremsstrahlungModel.hh"
52 #include "G4MuPairProductionModel.hh"
53 
54 #include "globals.hh"
55 #include "G4UnitsTable.hh"
56 #include "G4SystemOfUnits.hh"
57 
58 #include "G4Gamma.hh"
59 #include "G4Positron.hh"
60 #include "G4Electron.hh"
61 #include "G4Proton.hh"
62 #include "G4MuonPlus.hh"
63 
64 int main() {
65 
66  G4UnitDefinition::BuildUnitsTable();
67 
68  // define materials
69  //
70  G4double Z, A;
71 
72  G4Material* material =
73  new G4Material("Iodine", Z=53., A=126.90*g/mole, 4.93*g/cm3);
74 
75  G4cout << *(G4Material::GetMaterialTable()) << G4endl;
76 
77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 
79  // initialise gamma processes (models)
80  //
81  G4ParticleDefinition* gamma = G4Gamma::Gamma();
82 
83  G4VEmModel* phot = new G4PEEffectFluoModel();
84  G4VEmModel* comp = new G4KleinNishinaCompton();
85  G4VEmModel* conv = new G4BetheHeitlerModel();
86 
87  // compute CrossSection per atom and MeanFreePath
88  //
89  G4double Emin = 1.01*MeV, Emax = 2.01*MeV, dE = 100*keV;
90 
91  G4cout << "\n #### Gamma : CrossSectionPerAtom and MeanFreePath for "
92  << material->GetName() << G4endl;
93  G4cout << "\n Energy \t PhotoElec \t Compton \t Conversion \t";
94  G4cout << "\t PhotoElec \t Compton \t Conversion" << G4endl;
95 
96  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
97  G4cout << "\n " << G4BestUnit (Energy, "Energy")
98  << "\t"
99  << G4BestUnit (phot->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
100  << "\t"
101  << G4BestUnit (comp->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
102  << "\t"
103  << G4BestUnit (conv->ComputeCrossSectionPerAtom(gamma,Energy,Z),"Surface")
104  << "\t \t"
105  << G4BestUnit (phot->ComputeMeanFreePath(gamma,Energy,material),"Length")
106  << "\t"
107  << G4BestUnit (comp->ComputeMeanFreePath(gamma,Energy,material),"Length")
108  << "\t"
109  << G4BestUnit (conv->ComputeMeanFreePath(gamma,Energy,material),"Length");
110  }
111 
112  G4cout << G4endl;
113 
114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
115 
116  // initialise positron annihilation (model)
117  //
118  G4ParticleDefinition* posit = G4Positron::Positron();
119 
120  G4VEmModel* anni = new G4eeToTwoGammaModel();
121 
122  // compute CrossSection per atom and MeanFreePath
123  //
124  Emin = 1.01*MeV; Emax = 2.01*MeV; dE = 100*keV;
125 
126  G4cout << "\n #### e+ annihilation : CrossSectionPerAtom and MeanFreePath"
127  << " for " << material->GetName() << G4endl;
128  G4cout << "\n Energy \t e+ annihil \t";
129  G4cout << "\t e+ annihil" << G4endl;
130 
131  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
132  G4cout << "\n " << G4BestUnit (Energy, "Energy")
133  << "\t"
134  << G4BestUnit (anni->ComputeCrossSectionPerAtom(posit,Energy,Z),"Surface")
135  << "\t \t"
136  << G4BestUnit (anni->ComputeMeanFreePath(posit,Energy,material),"Length");
137  }
138 
139  G4cout << G4endl;
140 
141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
142 
143  // initialise electron processes (models)
144  //
145  G4ParticleDefinition* elec = G4Electron::Electron();
146 
147  G4VEmModel* ioni = new G4MollerBhabhaModel();
148  G4VEmModel* brem = new G4SeltzerBergerModel();
149 
150  // compute CrossSection per atom and MeanFreePath
151  //
152  Emin = 1.01*MeV; Emax = 101.01*MeV; dE = 10*MeV;
153  G4double Ecut = 100*keV;
154 
155  G4cout << "\n ####electron: CrossSection, MeanFreePath and StoppingPower"
156  << " for " << material->GetName()
157  << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
158 
159  G4cout << "\n Energy \t ionization \t bremsstra \t";
160  G4cout << "\t ionization \t bremsstra \t";
161  G4cout << "\t ionization \t bremsstra" << G4endl;
162 
163  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
164  G4cout << "\n " << G4BestUnit (Energy, "Energy")
165  << "\t"
166  << G4BestUnit (ioni->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
167  "Surface")
168  << "\t"
169  << G4BestUnit (brem->ComputeCrossSectionPerAtom(elec,Energy,Z,A,Ecut),
170  "Surface")
171  << "\t \t"
172  << G4BestUnit (ioni->ComputeMeanFreePath(elec,Energy,material,Ecut),
173  "Length")
174  << "\t"
175  << G4BestUnit (brem->ComputeMeanFreePath(elec,Energy,material,Ecut),
176  "Length")
177  << "\t \t"
178  << G4BestUnit (ioni->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
179  "Energy/Length")
180  << "\t"
181  << G4BestUnit (brem->ComputeDEDXPerVolume(material,elec,Energy,Ecut),
182  "Energy/Length");
183  }
184 
185  G4cout << G4endl;
186 
187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
188 
189 
190  // initialise proton processes (models)
191  //
192  G4ParticleDefinition* prot = G4Proton::Proton();
193 
194  ioni = new G4BetheBlochModel(prot);
195 
196  // compute CrossSection per atom and MeanFreePath
197  //
198  Emin = 1.01*MeV; Emax = 102.01*MeV; dE = 10*MeV;
199  Ecut = 100*keV;
200 
201  G4cout << "\n #### proton : CrossSection, MeanFreePath and StoppingPower"
202  << " for " << material->GetName()
203  << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
204 
205  G4cout << "\n Energy \t ionization \t";
206  G4cout << "\t ionization \t";
207  G4cout << "\t ionization" << G4endl;
208 
209  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
210  G4cout << "\n " << G4BestUnit (Energy, "Energy")
211  << "\t"
212  << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
213  "Surface")
214  << "\t \t"
215  << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
216  "Length")
217  << "\t \t"
218  << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
219  "Energy/Length");
220  }
221 
222  G4cout << G4endl;
223 
224  // low energy : Bragg Model
225 
226  ioni = new G4BraggModel(prot);
227 
228  // compute CrossSection per atom and MeanFreePath
229  //
230  Emin = 1.1*keV; Emax = 2.01*MeV; dE = 300*keV;
231  Ecut = 10*keV;
232 
233  G4cout << "\n #### proton : low energy model (Bragg) "
234  << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
235 
236  G4cout << "\n Energy \t ionization \t";
237  G4cout << "\t ionization \t";
238  G4cout << "\t ionization" << G4endl;
239 
240  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
241  G4cout << "\n " << G4BestUnit (Energy, "Energy")
242  << "\t"
243  << G4BestUnit (ioni->ComputeCrossSectionPerAtom(prot,Energy,Z,A,Ecut),
244  "Surface")
245  << "\t \t"
246  << G4BestUnit (ioni->ComputeMeanFreePath(prot,Energy,material,Ecut),
247  "Length")
248  << "\t \t"
249  << G4BestUnit (ioni->ComputeDEDXPerVolume(material,prot,Energy,Ecut),
250  "Energy/Length");
251  }
252 
253  G4cout << G4endl;
254 
255 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
256 
257  // initialise muon processes (models)
258  //
259  G4ParticleDefinition* muon = G4MuonPlus::MuonPlus();
260 
261  ioni = new G4MuBetheBlochModel(muon);
262  brem = new G4MuBremsstrahlungModel(muon);
263  G4VEmModel* pair = new G4MuPairProductionModel(muon);
264 
265  // compute CrossSection per atom and MeanFreePath
266  //
267  Emin = 1.01*GeV; Emax = 101.01*GeV; dE = 10*GeV;
268  Ecut = 10*MeV;
269 
270  G4cout << "\n ####muon: CrossSection and MeanFreePath for "
271  << material->GetName()
272  << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
273 
274  G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t";
275  G4cout << "\t ionization \t bremsstra \t pair_prod" << G4endl;
276 
277  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
278  G4cout << "\n " << G4BestUnit (Energy, "Energy")
279  << "\t"
280  << G4BestUnit (ioni->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
281  "Surface")
282  << "\t"
283  << G4BestUnit (brem->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
284  "Surface")
285  << "\t"
286  << G4BestUnit (pair->ComputeCrossSectionPerAtom(muon,Energy,Z,A,Ecut),
287  "Surface")
288  << "\t \t"
289  << G4BestUnit (ioni->ComputeMeanFreePath(muon,Energy,material,Ecut),
290  "Length")
291  << "\t"
292  << G4BestUnit (brem->ComputeMeanFreePath(muon,Energy,material,Ecut),
293  "Length")
294  << "\t"
295  << G4BestUnit (pair->ComputeMeanFreePath(muon,Energy,material,Ecut),
296  "Length");
297  }
298 
299  G4cout << G4endl;
300 
301  G4cout << "\n ####muon: StoppingPower for "
302  << material->GetName()
303  << ";\tEnergy cut = " << G4BestUnit (Ecut, "Energy") << G4endl;
304 
305  G4cout << "\n Energy \t ionization \t bremsstra \t pair_prod \t" << G4endl;
306 
307  for (G4double Energy = Emin; Energy <= Emax; Energy += dE) {
308  G4cout << "\n " << G4BestUnit (Energy, "Energy")
309  << "\t"
310  << G4BestUnit (ioni->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
311  "Energy/Length")
312  << "\t"
313  << G4BestUnit (brem->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
314  "Energy/Length")
315  << "\t"
316  << G4BestUnit (pair->ComputeDEDXPerVolume(material,muon,Energy,Ecut),
317  "Energy/Length");
318  }
319 
320  G4cout << G4endl;
321 
322 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
323 
324 return EXIT_SUCCESS;
325 }
G4MuonPlus::MuonPlus
static G4MuonPlus * MuonPlus()
Definition: G4MuonPlus.cc:99
G4UnitDefinition::BuildUnitsTable
static void BuildUnitsTable()
Definition: G4UnitsTable.cc:193
MeV
static const double MeV
Definition: G4SIunits.hh:193
G4MuPairProductionModel.hh
G4PEEffectFluoModel.hh
G4MuBetheBlochModel.hh
G4Material::GetName
const G4String & GetName() const
Definition: G4Material.hh:176
G4Material::GetMaterialTable
static G4MaterialTable * GetMaterialTable()
Definition: G4Material.cc:588
G4UnitsTable.hh
G4SeltzerBergerModel.hh
G4BestUnit
#define G4BestUnit(a, b)
#define G4_USE_G4BESTUNIT_FOR_VERBOSE 1
Definition: G4SteppingVerbose.cc:53
G4MollerBhabhaModel.hh
G4BraggModel.hh
G4BetheBlochModel.hh
dE
static const G4double dE
Definition: G4PhotoNuclearCrossSection.cc:47
G4cout
G4GLOB_DLL std::ostream G4cout
G4MuBremsstrahlungModel.hh
G4Material.hh
G4Proton.hh
cm3
static const double cm3
Definition: G4SIunits.hh:108
G4Positron.hh
G4Proton::Proton
static G4Proton * Proton()
Definition: G4Proton.cc:93
GeV
static const double GeV
Definition: G4SIunits.hh:196
G4Gamma::Gamma
static G4Gamma * Gamma()
Definition: G4Gamma.cc:86
A
static const G4double A[nN]
Definition: G4ElectroNuclearCrossSection.cc:115
G4VEmModel::ComputeCrossSectionPerAtom
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
Definition: G4VEmModel.cc:326
G4Positron::Positron
static G4Positron * Positron()
Definition: G4Positron.cc:94
G4Electron.hh
G4VEmModel::ComputeDEDXPerVolume
virtual G4double ComputeDEDXPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
Definition: G4VEmModel.cc:262
g
static const double g
Definition: G4SIunits.hh:162
G4BetheHeitlerModel.hh
Emin
static const G4double Emin
Definition: G4PhotoNuclearCrossSection.cc:50
mole
static const double mole
Definition: G4SIunits.hh:265
G4Electron::Electron
static G4Electron * Electron()
Definition: G4Electron.cc:94
Emax
static const G4double Emax
Definition: G4PhotoNuclearCrossSection.cc:51
G4endl
#define G4endl
Definition: G4ios.hh:61
G4MuonPlus.hh
keV
static const double keV
Definition: G4SIunits.hh:195
G4double
double G4double
Definition: G4Types.hh:76
G4SystemOfUnits.hh
G4KleinNishinaCompton.hh
G4VEmModel::ComputeMeanFreePath
G4double ComputeMeanFreePath(const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
Definition: G4VEmModel.hh:496
main
int main()
Definition: DirectAccess.cc:64
G4eeToTwoGammaModel.hh
G4Gamma.hh