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26 /// \file field/field03/src/F03DetectorConstru
27 /// \brief Implementation of the F03DetectorCo
28 //
29 //
30 //
31 //
32 //....oooOO0OOooo........oooOO0OOooo........oo
33 //....oooOO0OOooo........oooOO0OOooo........oo
34
35 #include "F03DetectorConstruction.hh"
36
37 #include "F03CalorimeterSD.hh"
38 #include "F03DetectorMessenger.hh"
39
40 #include "G4AutoDelete.hh"
41 #include "G4GeometryManager.hh"
42 #include "G4FieldBuilder.hh"
43 #include "G4LogicalVolume.hh"
44 #include "G4LogicalVolumeStore.hh"
45 #include "G4Material.hh"
46 #include "G4PVPlacement.hh"
47 #include "G4PhysicalConstants.hh"
48 #include "G4PhysicalVolumeStore.hh"
49 #include "G4RunManager.hh"
50 #include "G4SDManager.hh"
51 #include "G4SolidStore.hh"
52 #include "G4SystemOfUnits.hh"
53 #include "G4Tubs.hh"
54 #include "G4UniformMagField.hh"
55
56 //....oooOO0OOooo........oooOO0OOooo........oo
57
58 F03DetectorConstruction::F03DetectorConstructi
59 {
60 fDetectorMessenger = new F03DetectorMessenge
61
62 // create field builder
63 // this will create commands for field param
64 G4FieldBuilder* fieldBuilder = G4FieldBuilde
65 // fieldBuilder->SetVerboseLevel(2);
66
67 auto globalFieldParameters = fieldBuilder->G
68 auto localFieldParameters = fieldBuilder->Cr
69
70 // set default min step 0.25 mm
71 globalFieldParameters->SetMinimumStep(0.25 *
72 localFieldParameters->SetMinimumStep(0.25 *
73
74 // create materials
75 DefineMaterials();
76 }
77
78 //....oooOO0OOooo........oooOO0OOooo........oo
79
80 F03DetectorConstruction::~F03DetectorConstruct
81 {
82 delete fDetectorMessenger;
83 }
84
85 //....oooOO0OOooo........oooOO0OOooo........oo
86
87 G4VPhysicalVolume* F03DetectorConstruction::Co
88 {
89 return ConstructCalorimeter();
90 }
91
92 //....oooOO0OOooo........oooOO0OOooo........oo
93
94 void F03DetectorConstruction::DefineMaterials(
95 {
96 // This function illustrates the possible wa
97
98 G4String name, symbol; // a=mass of a mole;
99 G4double a, z, density; // z=mean number of
100 G4int nel;
101 G4int ncomponents;
102 G4double fractionmass, pressure, temperature
103
104 //
105 // define Elements
106 //
107
108 a = 1.01 * g / mole;
109 auto elH = new G4Element(name = "Hydrogen",
110
111 a = 12.01 * g / mole;
112 auto elC = new G4Element(name = "Carbon", sy
113
114 a = 14.01 * g / mole;
115 auto elN = new G4Element(name = "Nitrogen",
116
117 a = 16.00 * g / mole;
118 auto elO = new G4Element(name = "Oxygen", sy
119
120 a = 39.948 * g / mole;
121 auto elAr = new G4Element(name = "Argon", sy
122
123 //
124 // define simple materials
125 //
126
127 // Mylar
128
129 density = 1.39 * g / cm3;
130 auto mylar = new G4Material(name = "Mylar",
131 mylar->AddElement(elO, 2);
132 mylar->AddElement(elC, 5);
133 mylar->AddElement(elH, 4);
134
135 // Polypropelene
136
137 auto CH2 = new G4Material("Polypropelene", 0
138 CH2->AddElement(elH, 2);
139 CH2->AddElement(elC, 1);
140
141 // Krypton as detector gas, STP
142
143 density = 3.700 * mg / cm3;
144 a = 83.80 * g / mole;
145 auto Kr = new G4Material(name = "Kr", z = 36
146
147 // Dry air (average composition)
148
149 density = 1.7836 * mg / cm3; // STP
150 auto argon = new G4Material(name = "Argon",
151 argon->AddElement(elAr, 1);
152
153 density = 1.25053 * mg / cm3; // STP
154 auto nitrogen = new G4Material(name = "N2",
155 nitrogen->AddElement(elN, 2);
156
157 density = 1.4289 * mg / cm3; // STP
158 auto oxygen = new G4Material(name = "O2", de
159 oxygen->AddElement(elO, 2);
160
161 density = 1.2928 * mg / cm3; // STP
162 density *= 1.0e-8; // pumped vacuum
163 temperature = STP_Temperature;
164 pressure = 1.0e-8 * STP_Pressure;
165
166 auto air =
167 new G4Material(name = "Air", density, ncom
168 air->AddMaterial(nitrogen, fractionmass = 0.
169 air->AddMaterial(oxygen, fractionmass = 0.23
170 air->AddMaterial(argon, fractionmass = 0.012
171
172 // Xenon as detector gas, STP
173
174 density = 5.858 * mg / cm3;
175 a = 131.29 * g / mole;
176 auto Xe = new G4Material(name = "Xenon", z =
177
178 // Carbon dioxide, STP
179
180 density = 1.842 * mg / cm3;
181 auto CarbonDioxide = new G4Material(name = "
182 CarbonDioxide->AddElement(elC, 1);
183 CarbonDioxide->AddElement(elO, 2);
184
185 // 80% Xe + 20% CO2, STP
186
187 density = 5.0818 * mg / cm3;
188 auto Xe20CO2 = new G4Material(name = "Xe20CO
189 Xe20CO2->AddMaterial(Xe, fractionmass = 0.92
190 Xe20CO2->AddMaterial(CarbonDioxide, fraction
191
192 // 80% Kr + 20% CO2, STP
193
194 density = 3.601 * mg / cm3;
195 auto Kr20CO2 = new G4Material(name = "Kr20CO
196 Kr20CO2->AddMaterial(Kr, fractionmass = 0.89
197 Kr20CO2->AddMaterial(CarbonDioxide, fraction
198
199 G4cout << *(G4Material::GetMaterialTable())
200
201 // default materials of the calorimeter and
202
203 fRadiatorMat = air; // CH2 ; // mylar;
204
205 fAbsorberMaterial = air; // Kr20CO2; //
206
207 fWorldMaterial = air;
208 }
209
210 //....oooOO0OOooo........oooOO0OOooo........oo
211
212 G4VPhysicalVolume* F03DetectorConstruction::Co
213 {
214 // Cleanup old geometry
215
216 if (fPhysiWorld) {
217 G4GeometryManager::GetInstance()->OpenGeom
218 G4PhysicalVolumeStore::GetInstance()->Clea
219 G4LogicalVolumeStore::GetInstance()->Clean
220 G4SolidStore::GetInstance()->Clean();
221 }
222
223 // complete the Calor parameters definition
224
225 ComputeCalorParameters();
226 PrintCalorParameters();
227
228 G4bool checkOverlaps = true;
229
230 fSolidWorld = new G4Tubs("World", // its na
231 0., fWorldSizeR, fW
232
233 fLogicWorld = new G4LogicalVolume(fSolidWorl
234 fWorldMate
235 "World");
236
237 fPhysiWorld = new G4PVPlacement(nullptr, //
238 G4ThreeVecto
239 "World", //
240 fLogicWorld,
241 nullptr, //
242 false, // n
243 0, // copy
244 checkOverlap
245
246 // TR radiator envelope
247 G4double radThick = fFoilNumber * (fRadThick
248 G4double zRad = fZAbsorber - 0.5 * (radThick
249
250 G4cout << "zRad = " << zRad / mm << " mm" <<
251 G4cout << "radThick = " << radThick / mm <<
252 G4cout << "fFoilNumber = " << fFoilNumber <<
253 G4cout << "fRadiatorMat = " << fRadiatorMat-
254 G4cout << "WorldMaterial = " << fWorldMateri
255
256 fSolidRadiator = new G4Tubs("Radiator", 0.0,
257
258 fLogicRadiator = new G4LogicalVolume(fSolidR
259
260 fPhysiRadiator = new G4PVPlacement(nullptr,
261 fPhysiWor
262
263 fSolidRadSlice = new G4Tubs("RadSlice", 0.0,
264
265 fLogicRadSlice = new G4LogicalVolume(fSolidR
266
267 // Radiator slice
268 G4double radSliceThick = fRadThickness + fGa
269 G4double zStart = 0.5 * (-radThick + radSlic
270 // start on the board of radiator enevelope
271
272 for (G4int j = 0; j < fFoilNumber; j++) {
273 G4double zSlice = zStart + j * radSliceThi
274 G4cout << zSlice / mm << " mm"
275 << "\t";
276
277 fPhysiRadSlice = new G4PVPlacement(nullptr
278 fLogicR
279 }
280 G4cout << G4endl;
281
282 // Absorber
283
284 fSolidAbsorber =
285 new G4Tubs("Absorber", 1.0 * mm, fAbsorber
286
287 fLogicAbsorber = new G4LogicalVolume(fSolidA
288
289 fPhysiAbsorber = new G4PVPlacement(nullptr,
290 fLogicAbs
291
292 return fPhysiWorld;
293 }
294
295 //....oooOO0OOooo........oooOO0OOooo........oo
296
297 void F03DetectorConstruction::PrintCalorParame
298 {
299 G4cout << "\n The WORLD is made of " << f
300 << fWorldMaterial->GetName();
301 G4cout << ", the transverse size (R) of the
302 G4cout << " The ABSORBER is made of " << fAb
303 << fAbsorberMaterial->GetName();
304 G4cout << ", the transverse size (R) is " <<
305 G4cout << " Z position of the (middle of the
306 G4cout << G4endl;
307 }
308
309 //....oooOO0OOooo........oooOO0OOooo........oo
310
311 void F03DetectorConstruction::SetAbsorberMater
312 {
313 // get the pointer to the material table
314 const G4MaterialTable* theMaterialTable = G4
315
316 // search the material by its name
317 G4Material* material;
318 for (size_t j = 0; j < theMaterialTable->siz
319 material = (*theMaterialTable)[j];
320 if (material->GetName() == materialChoice)
321 fAbsorberMaterial = material;
322 fLogicAbsorber->SetMaterial(material);
323 G4RunManager::GetRunManager()->PhysicsHa
324 }
325 }
326 }
327
328 //....oooOO0OOooo........oooOO0OOooo........oo
329
330 void F03DetectorConstruction::SetWorldMaterial
331 {
332 // get the pointer to the material table
333 const G4MaterialTable* theMaterialTable = G4
334
335 // search the material by its name
336 G4Material* material;
337 for (size_t j = 0; j < theMaterialTable->siz
338 material = (*theMaterialTable)[j];
339 if (material->GetName() == materialChoice)
340 fWorldMaterial = material;
341 fLogicWorld->SetMaterial(material);
342 G4RunManager::GetRunManager()->PhysicsHa
343 }
344 }
345 }
346
347 //....oooOO0OOooo........oooOO0OOooo........oo
348
349 void F03DetectorConstruction::SetAbsorberThick
350 {
351 // change Absorber thickness and recompute t
352 fAbsorberThickness = val;
353 ComputeCalorParameters();
354 G4RunManager::GetRunManager()->GeometryHasBe
355 }
356
357 //....oooOO0OOooo........oooOO0OOooo........oo
358
359 void F03DetectorConstruction::SetAbsorberRadiu
360 {
361 // change the transverse size and recompute
362 fAbsorberRadius = val;
363 ComputeCalorParameters();
364 G4RunManager::GetRunManager()->GeometryHasBe
365 }
366
367 //....oooOO0OOooo........oooOO0OOooo........oo
368
369 void F03DetectorConstruction::SetWorldSizeZ(G4
370 {
371 fWorldSizeZ = val;
372 ComputeCalorParameters();
373 G4RunManager::GetRunManager()->GeometryHasBe
374 }
375
376 //....oooOO0OOooo........oooOO0OOooo........oo
377
378 void F03DetectorConstruction::SetWorldSizeR(G4
379 {
380 fWorldSizeR = val;
381 ComputeCalorParameters();
382 G4RunManager::GetRunManager()->GeometryHasBe
383 }
384
385 //....oooOO0OOooo........oooOO0OOooo........oo
386
387 void F03DetectorConstruction::SetAbsorberZpos(
388 {
389 fZAbsorber = val;
390 ComputeCalorParameters();
391 G4RunManager::GetRunManager()->GeometryHasBe
392 }
393
394 //....oooOO0OOooo........oooOO0OOooo........oo
395
396 void F03DetectorConstruction::SetFieldValue(G4
397 {
398 fFieldVector = value;
399
400 G4UniformMagField* magField = nullptr;
401 if (fFieldVector != G4ThreeVector(0.,0.,0.))
402 magField = new G4UniformMagField(fFieldVec
403 }
404
405 // Set field to the field builder
406 auto fieldBuilder = G4FieldBuilder::Instance
407 fieldBuilder->SetGlobalField(magField);
408 }
409
410 //....oooOO0OOooo........oooOO0OOooo........oo
411
412
413 void F03DetectorConstruction::SetLocalFieldVal
414 {
415 fLocalFieldVector = value;
416
417 G4UniformMagField* magField = nullptr;
418 if (fLocalFieldVector != G4ThreeVector(0.,0.
419 magField = new G4UniformMagField(fLocalFie
420 }
421
422 // Set field to the field builder
423 auto fieldBuilder = G4FieldBuilder::Instance
424 fieldBuilder->SetLocalField(magField, fLogic
425 }
426
427 //....oooOO0OOooo........oooOO0OOooo........oo
428
429 void F03DetectorConstruction::ConstructSDandFi
430 {
431 // Sensitive Detectors: Absorber
432
433 if (!fCalorimeterSD.Get()) {
434 auto calorimeterSD = new F03CalorimeterSD(
435 fCalorimeterSD.Put(calorimeterSD);
436 }
437 G4SDManager::GetSDMpointer()->AddNewDetector
438 SetSensitiveDetector(fLogicAbsorber, fCalori
439
440 // Create detector fields
441 SetFieldValue(fFieldVector);
442 SetLocalFieldValue(fLocalFieldVector);
443
444 // Construct all Geant4 field objects
445 auto fieldBuilder = G4FieldBuilder::Instance
446 fieldBuilder->ConstructFieldSetup();
447 }
448
449 //....oooOO0OOooo........oooOO0OOooo........oo
450