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 | // $Id: Em10DetectorConstruction.cc,v 1.32 2007/07/27 17:52:04 vnivanch Exp $ |
---|
28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
---|
29 | // |
---|
30 | // |
---|
31 | |
---|
32 | #include "Em10DetectorConstruction.hh" |
---|
33 | #include "Em10DetectorMessenger.hh" |
---|
34 | #include "Em10CalorimeterSD.hh" |
---|
35 | #include "Em10Materials.hh" |
---|
36 | |
---|
37 | #include "G4Material.hh" |
---|
38 | #include "G4Box.hh" |
---|
39 | #include "G4LogicalVolume.hh" |
---|
40 | #include "G4PVPlacement.hh" |
---|
41 | #include "G4UniformMagField.hh" |
---|
42 | #include "G4FieldManager.hh" |
---|
43 | #include "G4TransportationManager.hh" |
---|
44 | #include "G4SDManager.hh" |
---|
45 | #include "G4GeometryManager.hh" |
---|
46 | #include "G4RunManager.hh" |
---|
47 | |
---|
48 | #include "G4Region.hh" |
---|
49 | #include "G4RegionStore.hh" |
---|
50 | #include "G4PhysicalVolumeStore.hh" |
---|
51 | #include "G4LogicalVolumeStore.hh" |
---|
52 | #include "G4SolidStore.hh" |
---|
53 | #include "G4ProductionCuts.hh" |
---|
54 | |
---|
55 | #include "G4VisAttributes.hh" |
---|
56 | #include "G4Colour.hh" |
---|
57 | |
---|
58 | #include "G4UnitsTable.hh" |
---|
59 | #include "G4ios.hh" |
---|
60 | |
---|
61 | ///////////////////////////////////////////////////////////////////////////// |
---|
62 | // |
---|
63 | // |
---|
64 | |
---|
65 | Em10DetectorConstruction::Em10DetectorConstruction() |
---|
66 | :fWorldChanged(false), fAbsorberMaterial(0), fGapMat(0),fSetUp("simpleALICE"), |
---|
67 | fWorldMaterial(0), fSolidWorld(0), fLogicWorld(0), fPhysicsWorld(0), |
---|
68 | fSolidRadSlice(0), fLogicRadSlice(0), fPhysicRadSlice(0), |
---|
69 | fSolidRadiator(0), fLogicRadiator(0), fPhysicsRadiator(0), |
---|
70 | fRadiatorMat(0), fPipe(false), fPipeField(false), |
---|
71 | fSolidAbsorber(0), fLogicAbsorber(0), fPhysicsAbsorber(0), |
---|
72 | fMagField(0), fCalorimeterSD(0), fRegGasDet(0), fRadRegion(0), fMat(0) |
---|
73 | { |
---|
74 | fDetectorMessenger = new Em10DetectorMessenger(this); |
---|
75 | fMat = new Em10Materials(); |
---|
76 | } |
---|
77 | |
---|
78 | ////////////////////////////////////////////////////////////////////////// |
---|
79 | // |
---|
80 | // |
---|
81 | |
---|
82 | Em10DetectorConstruction::~Em10DetectorConstruction() |
---|
83 | { |
---|
84 | delete fDetectorMessenger; |
---|
85 | delete fMat; |
---|
86 | } |
---|
87 | |
---|
88 | ////////////////////////////////////////////////////////////////////////// |
---|
89 | // |
---|
90 | // |
---|
91 | |
---|
92 | G4VPhysicalVolume* Em10DetectorConstruction::Construct() |
---|
93 | { |
---|
94 | return ConstructDetectorXTR(); |
---|
95 | } |
---|
96 | |
---|
97 | |
---|
98 | ///////////////////////////////////////////////////////////////////////// |
---|
99 | // |
---|
100 | // |
---|
101 | |
---|
102 | G4VPhysicalVolume* Em10DetectorConstruction::ConstructDetectorXTR() |
---|
103 | { |
---|
104 | // Cleanup old geometry |
---|
105 | |
---|
106 | G4GeometryManager::GetInstance()->OpenGeometry(); |
---|
107 | G4PhysicalVolumeStore::GetInstance()->Clean(); |
---|
108 | G4LogicalVolumeStore::GetInstance()->Clean(); |
---|
109 | G4SolidStore::GetInstance()->Clean(); |
---|
110 | |
---|
111 | if( fSetUp == "simpleALICE" ) |
---|
112 | { |
---|
113 | return SimpleSetUpALICE(); |
---|
114 | } |
---|
115 | else if( fSetUp == "alice06" ) |
---|
116 | { |
---|
117 | return SetUpALICE06(); |
---|
118 | } |
---|
119 | else if( fSetUp == "bari05" ) |
---|
120 | { |
---|
121 | return SetUpBari05(); |
---|
122 | } |
---|
123 | else if( fSetUp == "harris73" ) |
---|
124 | { |
---|
125 | return SetUpHarris73(); |
---|
126 | } |
---|
127 | else if( fSetUp == "watase86" ) |
---|
128 | { |
---|
129 | return SetUpWatase86(); |
---|
130 | } |
---|
131 | else if( fSetUp == "barr90" ) |
---|
132 | { |
---|
133 | return SetUpBarr90(); |
---|
134 | } |
---|
135 | else |
---|
136 | { |
---|
137 | G4cout<<"Experimental setup is unsupported. Check /XTRdetector/setup "<<G4endl; |
---|
138 | G4cout<<"Run default: barr90 "<<G4endl; |
---|
139 | return SetUpBarr90(); |
---|
140 | |
---|
141 | // return 0; |
---|
142 | } |
---|
143 | } |
---|
144 | |
---|
145 | ///////////////////////////////////////////////////////////////////////////////// |
---|
146 | // |
---|
147 | // Simplified setup for ALICE XTR test beam (~2004). |
---|
148 | // Runs by : TestEm10 salice.mac |
---|
149 | |
---|
150 | G4VPhysicalVolume* Em10DetectorConstruction::SimpleSetUpALICE() |
---|
151 | { |
---|
152 | fWorldSizeZ = 400.*cm; |
---|
153 | fWorldSizeR = 20.*cm; |
---|
154 | |
---|
155 | // Radiator and detector parameters |
---|
156 | |
---|
157 | fRadThickness = 0.020*mm; |
---|
158 | fGasGap = 0.250*mm; |
---|
159 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
160 | |
---|
161 | fFoilNumber = 220; |
---|
162 | |
---|
163 | fAbsorberThickness = 38.3*mm; |
---|
164 | |
---|
165 | fAbsorberRadius = 100.*mm; |
---|
166 | fAbsorberZ = 136.*cm; |
---|
167 | |
---|
168 | fWindowThick = 51.0*micrometer ; |
---|
169 | fElectrodeThick = 10.0*micrometer ; |
---|
170 | fGapThick = 10.0*cm ; |
---|
171 | |
---|
172 | |
---|
173 | fDetThickness = 40.0*mm ; |
---|
174 | fDetLength = 200.0*cm ; |
---|
175 | fDetGap = 0.01*mm ; |
---|
176 | |
---|
177 | |
---|
178 | fStartR = 40*cm ; |
---|
179 | fStartZ = 100.0*mm ; |
---|
180 | |
---|
181 | fModuleNumber = 1 ; |
---|
182 | |
---|
183 | // Preparation of mixed radiator material |
---|
184 | |
---|
185 | |
---|
186 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
187 | G4Material* Air = fMat->GetMaterial("Air"); |
---|
188 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
189 | |
---|
190 | G4double foilDensity = 1.39*g/cm3; // Mylar // 0.91*g/cm3; // CH2 0.534*g/cm3; //Li |
---|
191 | G4double gasDensity = 1.2928*mg/cm3; // Air // 1.977*mg/cm3; // CO2 0.178*mg/cm3; // He |
---|
192 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
193 | |
---|
194 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
195 | G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
196 | |
---|
197 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
198 | 2); |
---|
199 | radiatorMat->AddMaterial( Mylar, fractionFoil ) ; |
---|
200 | radiatorMat->AddMaterial( Air, fractionGas ) ; |
---|
201 | |
---|
202 | // default materials of the detector and TR radiator |
---|
203 | |
---|
204 | fRadiatorMat = radiatorMat; |
---|
205 | fFoilMat = Mylar; // CH2; // Kapton; // Mylar ; // Li ; // CH2 ; |
---|
206 | fGasMat = Air; // CO2; // He; // |
---|
207 | |
---|
208 | fWindowMat = Mylar ; |
---|
209 | fElectrodeMat = Al ; |
---|
210 | |
---|
211 | fAbsorberMaterial = fMat->GetMaterial("Xe15CO2"); |
---|
212 | |
---|
213 | |
---|
214 | fGapMat = fAbsorberMaterial; |
---|
215 | |
---|
216 | fWorldMaterial = Air; // CO2 ; |
---|
217 | |
---|
218 | fSolidWorld = new G4Box("World", fWorldSizeR,fWorldSizeR,fWorldSizeZ/2.); |
---|
219 | |
---|
220 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
221 | |
---|
222 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
223 | fLogicWorld, 0, false, 0); |
---|
224 | |
---|
225 | // TR radiator envelope |
---|
226 | |
---|
227 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
228 | |
---|
229 | fRadZ = fStartZ + 0.5*fRadThick ; |
---|
230 | |
---|
231 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
232 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
233 | |
---|
234 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
235 | "Radiator"); |
---|
236 | |
---|
237 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
238 | G4ThreeVector(0,0,fRadZ), |
---|
239 | "Radiator", fLogicRadiator, |
---|
240 | fPhysicsWorld, false, 0 ); |
---|
241 | |
---|
242 | // create region for window inside windowR for |
---|
243 | |
---|
244 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
245 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
246 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
247 | |
---|
248 | |
---|
249 | |
---|
250 | fWindowZ = fStartZ + fRadThick + fWindowThick/2. + 15.0*mm ; |
---|
251 | |
---|
252 | // G4Box* solidWindowR = new G4Box("WindowR",fAbsorberRadius+0.001, |
---|
253 | // fAbsorberRadius+0.001, |
---|
254 | // fWindowThick/2.+0.001 ); |
---|
255 | |
---|
256 | // G4LogicalVolume* logicWindowR = new G4LogicalVolume(solidWindowR, |
---|
257 | // fWorldMaterial, "WindowR"); |
---|
258 | |
---|
259 | // G4VPhysicalVolume* physiWindowR = new G4PVPlacement(0, |
---|
260 | // G4ThreeVector(0.,0.,fWindowZ), |
---|
261 | // "WindowR",logicWindowR,fPhysicsWorld,false,0); |
---|
262 | // window |
---|
263 | |
---|
264 | // G4Box* solidWindow = new G4Box("Window",fAbsorberRadius, |
---|
265 | // fAbsorberRadius, fWindowThick/2.); |
---|
266 | |
---|
267 | // G4LogicalVolume* logicWindow = new G4LogicalVolume(solidWindow, |
---|
268 | // fWindowMat, "Window"); |
---|
269 | |
---|
270 | // G4VPhysicalVolume* physiWindow = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
---|
271 | // "Window", logicWindow, physiWindowR, false, 0); |
---|
272 | |
---|
273 | |
---|
274 | fGapZ = fWindowZ + fWindowThick/2. + fGapThick/2. + 0.01*mm ; |
---|
275 | |
---|
276 | fElectrodeZ = fGapZ + fGapThick/2. + fElectrodeThick/2. + 0.01*mm; |
---|
277 | |
---|
278 | // Absorber |
---|
279 | |
---|
280 | fAbsorberZ = fElectrodeZ + fElectrodeThick/2. + fAbsorberThickness/2. + 0.01*mm; |
---|
281 | |
---|
282 | fSolidAbsorber = new G4Box("Absorber", fAbsorberRadius, |
---|
283 | fAbsorberRadius, fAbsorberThickness/2.); |
---|
284 | |
---|
285 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
286 | "Absorber"); |
---|
287 | |
---|
288 | fPhysicsAbsorber = new G4PVPlacement(0, G4ThreeVector(0.,0.,fAbsorberZ), |
---|
289 | "Absorber", fLogicAbsorber, |
---|
290 | fPhysicsWorld, false, 0); |
---|
291 | |
---|
292 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
293 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
294 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
295 | |
---|
296 | // Sensitive Detectors: Absorber |
---|
297 | |
---|
298 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
299 | |
---|
300 | if(!fCalorimeterSD) |
---|
301 | { |
---|
302 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
303 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
304 | } |
---|
305 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
306 | |
---|
307 | PrintGeometryParameters(); |
---|
308 | |
---|
309 | return fPhysicsWorld; |
---|
310 | } |
---|
311 | |
---|
312 | ///////////////////////////////////////////////////////////////////////////////// |
---|
313 | // |
---|
314 | // Setup for ALICE XTR test beam (~2004). With He beam-pipe |
---|
315 | // Runs by : TestEm10 alice06.mac |
---|
316 | |
---|
317 | G4VPhysicalVolume* Em10DetectorConstruction::SetUpALICE06() |
---|
318 | { |
---|
319 | fWorldSizeZ = 600.*cm; |
---|
320 | fWorldSizeR = 22.*cm; |
---|
321 | |
---|
322 | // Radiator and detector parameters |
---|
323 | |
---|
324 | //fRadThickness = 0.01*mm; // Gamma XTR (malz: 0.01) |
---|
325 | //fGasGap = 0.19*mm; // Gamma XTR (malz: 0.09) |
---|
326 | //fFoilNumber = 240; // Gamma XTR (malz: 480) |
---|
327 | |
---|
328 | fRadThickness = 0.020*mm; // Reg1 |
---|
329 | fGasGap = 0.500*mm; // Reg1 |
---|
330 | fFoilNumber = 120; // Reg1 |
---|
331 | |
---|
332 | //fRadThickness = 0.013*mm; // Anton |
---|
333 | //fGasGap = 0.060*mm; // Anton |
---|
334 | //fFoilNumber = 550; // Anton |
---|
335 | |
---|
336 | |
---|
337 | // fRadThickness = 0.020*mm; // Reg2 |
---|
338 | // fGasGap = 0.250*mm; // Reg2 |
---|
339 | // fFoilNumber = 220; // Reg2 |
---|
340 | |
---|
341 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
342 | |
---|
343 | |
---|
344 | fAbsorberThickness = 37.*mm; // 38.3*mm; |
---|
345 | |
---|
346 | fAbsorberRadius = 100.*mm; |
---|
347 | fAbsorberZ = 136.*cm; |
---|
348 | |
---|
349 | fPipeLength = 160.0*cm; |
---|
350 | fMylarThick = 20.0*micrometer; |
---|
351 | |
---|
352 | fWindowThick = 51.0*micrometer ; |
---|
353 | fElectrodeThick = 100.0*micrometer ; |
---|
354 | fGapThick = 10.0*cm ; |
---|
355 | |
---|
356 | |
---|
357 | fDetThickness = 40.0*mm ; |
---|
358 | fDetLength = 200.0*cm ; |
---|
359 | fDetGap = 0.01*mm ; |
---|
360 | |
---|
361 | |
---|
362 | fStartR = 40*cm ; |
---|
363 | fStartZ = 100.0*mm ; |
---|
364 | |
---|
365 | fModuleNumber = 1 ; |
---|
366 | |
---|
367 | // Preparation of mixed radiator material |
---|
368 | |
---|
369 | |
---|
370 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
371 | G4Material* Air = fMat->GetMaterial("Air"); |
---|
372 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
373 | G4Material* CH2 = fMat->GetMaterial("CH2"); |
---|
374 | G4Material* He = fMat->GetMaterial("He"); |
---|
375 | |
---|
376 | G4double foilDensity = CH2->GetDensity(); |
---|
377 | G4double gasDensity = Air->GetDensity(); |
---|
378 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
379 | |
---|
380 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
381 | G4double fractionGas = 1.0 - fractionFoil; // gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
382 | |
---|
383 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
384 | 2); |
---|
385 | radiatorMat->AddMaterial( CH2, fractionFoil ) ; |
---|
386 | radiatorMat->AddMaterial( Air, fractionGas ) ; |
---|
387 | |
---|
388 | // default materials of the detector and TR radiator |
---|
389 | |
---|
390 | fRadiatorMat = radiatorMat; |
---|
391 | fFoilMat = CH2; // Kapton; // Mylar ; // Li ; // CH2 ; |
---|
392 | fGasMat = Air; // CO2; // He; // |
---|
393 | |
---|
394 | fWindowMat = Mylar; |
---|
395 | fElectrodeMat = Al; |
---|
396 | |
---|
397 | fAbsorberMaterial = fMat->GetMaterial("Xe15CO2"); |
---|
398 | |
---|
399 | // pipe material is assumed to be He + small admixture of air |
---|
400 | /* |
---|
401 | foilGasRatio = 0.000001; |
---|
402 | foilDensity = Air->GetDensity(); |
---|
403 | gasDensity = He->GetDensity(); |
---|
404 | totDensity = foilDensity*foilGasRatio + gasDensity*( 1.0 - foilGasRatio ); |
---|
405 | |
---|
406 | fractionFoil = foilDensity*foilGasRatio/totDensity; |
---|
407 | fractionGas = 1.0 - fractionFoil; // gasDensity*(1.0 - foilGasRatio)/totDensity; |
---|
408 | |
---|
409 | fPipeMat = new G4Material("pipeMat" , totDensity, 2); |
---|
410 | fPipeMat->AddMaterial( Air, fractionFoil ); |
---|
411 | fPipeMat->AddMaterial( He, fractionGas ); |
---|
412 | */ |
---|
413 | fPipeMat = He; |
---|
414 | |
---|
415 | fGapMat = fAbsorberMaterial; |
---|
416 | |
---|
417 | fWorldMaterial = Air; |
---|
418 | |
---|
419 | |
---|
420 | fSolidWorld = new G4Box("World", fWorldSizeR, fWorldSizeR, fWorldSizeZ/2.); |
---|
421 | |
---|
422 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
423 | |
---|
424 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
425 | fLogicWorld, 0, false, 0); |
---|
426 | |
---|
427 | // TR radiator envelope |
---|
428 | |
---|
429 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
430 | |
---|
431 | fRadZ = fStartZ + 0.5*fRadThick; |
---|
432 | |
---|
433 | // fRadZ = -fRadThick/2. - fElectrodeThick; |
---|
434 | // if ( fabs(pipe) > 1.e-15 ) fRadZ -= ( fPipeLength/2. + pipeDist ); |
---|
435 | |
---|
436 | |
---|
437 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
438 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
439 | |
---|
440 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
441 | "Radiator"); |
---|
442 | |
---|
443 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
444 | G4ThreeVector(0,0,fRadZ), |
---|
445 | "Radiator", fLogicRadiator, |
---|
446 | fPhysicsWorld, false, 0 ); |
---|
447 | |
---|
448 | // create region for radiator |
---|
449 | |
---|
450 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
451 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
452 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
453 | |
---|
454 | // Drift Electrode on both sides of Radiator: |
---|
455 | |
---|
456 | G4double zElectrode1 = fRadZ - fRadThick/2. - fElectrodeThick/2.; |
---|
457 | G4double zElectrode2 = fRadZ + fRadThick/2. + fElectrodeThick/2.; |
---|
458 | /* |
---|
459 | G4Box* solidElectrode = new G4Box("Electrode",fAbsorberRadius*1.1, |
---|
460 | fAbsorberRadius*1.1, |
---|
461 | fElectrodeThick/2.); |
---|
462 | |
---|
463 | G4LogicalVolume* logicElectrode = new G4LogicalVolume(solidElectrode, |
---|
464 | fElectrodeMat, |
---|
465 | "Electrode"); |
---|
466 | |
---|
467 | G4VPhysicalVolume* physiElectrode1 = new G4PVPlacement(0, |
---|
468 | G4ThreeVector(0.,0.,zElectrode1), |
---|
469 | "Electrode1",logicElectrode, |
---|
470 | fPhysicsWorld,false,0); |
---|
471 | |
---|
472 | G4VPhysicalVolume* physiElectrode2 = new G4PVPlacement(0, |
---|
473 | G4ThreeVector(0.,0.,zElectrode2), |
---|
474 | "Electrode1",logicElectrode, |
---|
475 | fPhysicsWorld,false,0); |
---|
476 | */ |
---|
477 | G4cout<<"zElectrode1 = "<<zElectrode1/mm<<" mm"<<G4endl; |
---|
478 | G4cout<<"zElectrode2 = "<<zElectrode2/mm<<" mm"<<G4endl; |
---|
479 | G4cout<<"fElectrodeThick = "<<fElectrodeThick/mm<<" mm"<<G4endl<<G4endl; |
---|
480 | |
---|
481 | // Helium Pipe: |
---|
482 | |
---|
483 | G4double pipeDist = 1.*cm; //Distance between pipe and radiator / absorber |
---|
484 | G4double fieldStrength = 1.0*tesla; // 0.01*tesla; // field strength in pipe |
---|
485 | G4double alphaB = 90.*degree; |
---|
486 | fPipe = true; // 0.; // use helium pipe is setup |
---|
487 | |
---|
488 | fPipeField = true; // field in helium pipe used? |
---|
489 | |
---|
490 | G4double zPipe = zElectrode2 + fElectrodeThick/2. + |
---|
491 | pipeDist/2. + fPipeLength/2.; |
---|
492 | |
---|
493 | if ( fPipe ) |
---|
494 | { |
---|
495 | |
---|
496 | G4Box* solidPipe = new G4Box("Pipe",fAbsorberRadius*0.5, |
---|
497 | fAbsorberRadius*0.5, |
---|
498 | fPipeLength/2. ); |
---|
499 | |
---|
500 | G4LogicalVolume* logicPipe = new G4LogicalVolume(solidPipe, |
---|
501 | fPipeMat, // fWorldMaterial, // |
---|
502 | "Pipe"); |
---|
503 | |
---|
504 | // G4VPhysicalVolume* physiPipe = new G4PVPlacement(0, |
---|
505 | // G4ThreeVector(0., 0., zPipe), |
---|
506 | // "Pipe1",logicPipe, |
---|
507 | // fPhysicsWorld,false,0); |
---|
508 | |
---|
509 | G4cout<<"zPipe = "<<zPipe/mm<<" mm"<<G4endl; |
---|
510 | G4cout<<"fPipeLength = "<<fPipeLength/mm<<" mm"<<G4endl<<G4endl; |
---|
511 | |
---|
512 | // magnetic field in Pipe: |
---|
513 | |
---|
514 | if ( fPipeField ) |
---|
515 | { |
---|
516 | if( fMagField ) delete fMagField; //delete the existing mag field |
---|
517 | |
---|
518 | fMagField = new G4UniformMagField(G4ThreeVector(fieldStrength*std::sin(alphaB), |
---|
519 | 0., fieldStrength*std::cos(alphaB))); |
---|
520 | // fMagField = new G4UniformMagField(G4ThreeVector(fieldStrength, 0., 0.)); |
---|
521 | // fMagField = new G4UniformMagField(G4ThreeVector(0., 0., fieldStrength)); |
---|
522 | G4FieldManager* fieldMgr = new G4FieldManager(fMagField); |
---|
523 | fieldMgr->SetDetectorField(fMagField); |
---|
524 | fieldMgr->CreateChordFinder(fMagField); |
---|
525 | logicPipe->SetFieldManager(fieldMgr, true); |
---|
526 | } |
---|
527 | |
---|
528 | } |
---|
529 | else G4cout<<"No Helium pipe is used"<<G4endl<<G4endl; |
---|
530 | |
---|
531 | // Mylar Foil on both sides of helium pipe: |
---|
532 | |
---|
533 | G4double zMylar1 = zPipe - fPipeLength/2. - fMylarThick/2. - 0.001*mm; |
---|
534 | G4double zMylar2 = zPipe + fPipeLength/2. + fMylarThick/2. + 0.001*mm; |
---|
535 | |
---|
536 | // G4Box* solidMylar = new G4Box("MylarB",fAbsorberRadius*0.6, |
---|
537 | // fAbsorberRadius*0.6, |
---|
538 | // fMylarThick/2.); |
---|
539 | |
---|
540 | // G4LogicalVolume* logicMylar = new G4LogicalVolume(solidMylar, |
---|
541 | // fWindowMat, |
---|
542 | // "MylarL"); |
---|
543 | |
---|
544 | if ( fPipe ) |
---|
545 | { |
---|
546 | |
---|
547 | // G4VPhysicalVolume* physiMylar1 = new G4PVPlacement(0, |
---|
548 | // G4ThreeVector( 0., 0., zMylar1), |
---|
549 | // "Mylar1", logicMylar, fPhysicsWorld, |
---|
550 | // false, 0); |
---|
551 | |
---|
552 | // G4VPhysicalVolume* physiMylar2 = new G4PVPlacement(0, |
---|
553 | // G4ThreeVector(0., 0., zMylar2), |
---|
554 | // "Mylar2", logicMylar, fPhysicsWorld, |
---|
555 | // false, 0); |
---|
556 | |
---|
557 | G4cout<<"zMylar1 = "<<zMylar1/mm<<" mm"<<G4endl; |
---|
558 | G4cout<<"zMylar2 = "<<zMylar2/mm<<" mm"<<G4endl; |
---|
559 | G4cout<<"fMylarThick = "<<fMylarThick/mm<<" mm"<<G4endl<<G4endl; |
---|
560 | } |
---|
561 | |
---|
562 | // Mylar Foil on Chamber: |
---|
563 | |
---|
564 | G4double zMylar = zElectrode2 + fElectrodeThick/2. + fMylarThick/2. + 1.0*mm; |
---|
565 | |
---|
566 | // if ( fPipe ) |
---|
567 | { |
---|
568 | zMylar += ( fPipeLength + pipeDist ); |
---|
569 | } |
---|
570 | // G4VPhysicalVolume* physiMylar = new G4PVPlacement(0, |
---|
571 | // G4ThreeVector(0., 0., zMylar), |
---|
572 | // "Mylar",logicMylar,fPhysicsWorld,false,0); |
---|
573 | |
---|
574 | |
---|
575 | G4cout<<"zMylar = "<<zMylar/mm<<" mm"<<G4endl; |
---|
576 | G4cout<<"fMylarThick = "<<fMylarThick/mm<<" mm"<<G4endl<<G4endl; |
---|
577 | |
---|
578 | |
---|
579 | // Absorber |
---|
580 | |
---|
581 | fAbsorberZ = zMylar + fMylarThick + fAbsorberThickness/2.; |
---|
582 | |
---|
583 | |
---|
584 | fSolidAbsorber = new G4Box("Absorber", |
---|
585 | fAbsorberRadius, |
---|
586 | // fAbsorberRadius, |
---|
587 | // 10.*mm, |
---|
588 | 10.*mm, |
---|
589 | fAbsorberThickness/2.); |
---|
590 | |
---|
591 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
592 | "Absorber"); |
---|
593 | |
---|
594 | fPhysicsAbsorber = new G4PVPlacement(0, |
---|
595 | G4ThreeVector(0., 0., fAbsorberZ), |
---|
596 | "Absorber", fLogicAbsorber, |
---|
597 | fPhysicsWorld, false, 0); |
---|
598 | |
---|
599 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
600 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
601 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
602 | |
---|
603 | // Sensitive Detectors: Absorber |
---|
604 | |
---|
605 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
606 | |
---|
607 | if(!fCalorimeterSD) |
---|
608 | { |
---|
609 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
610 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
611 | } |
---|
612 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
613 | |
---|
614 | PrintGeometryParameters(); |
---|
615 | |
---|
616 | return fPhysicsWorld; |
---|
617 | } |
---|
618 | |
---|
619 | ///////////////////////////////////////////////////////////////////////////////// |
---|
620 | // |
---|
621 | // Setup for Bari INFN XTR test beam (~2004) at CERN. With He beam-pipe |
---|
622 | // M. Brigida et al, NIM A550 (2005) 157-168 |
---|
623 | // Runs by : TestEm10 bari05.mac |
---|
624 | |
---|
625 | G4VPhysicalVolume* Em10DetectorConstruction::SetUpBari05() |
---|
626 | { |
---|
627 | fWorldSizeZ = 600.*cm; |
---|
628 | fWorldSizeR = 22.*cm; |
---|
629 | |
---|
630 | // Radiator and detector parameters |
---|
631 | |
---|
632 | //fRadThickness = 0.01*mm; // Gamma XTR (malz: 0.01) |
---|
633 | //fGasGap = 0.19*mm; // Gamma XTR (malz: 0.09) |
---|
634 | //fFoilNumber = 240; // Gamma XTR (malz: 480) |
---|
635 | |
---|
636 | //fRadThickness = 0.020*mm; // Reg1 |
---|
637 | //fGasGap = 0.500*mm; // Reg1 |
---|
638 | //fFoilNumber = 120; // Reg1 |
---|
639 | |
---|
640 | //fRadThickness = 0.013*mm; // Anton |
---|
641 | //fGasGap = 0.230*mm; // Anton |
---|
642 | //fFoilNumber = 550; // Anton |
---|
643 | |
---|
644 | |
---|
645 | fRadThickness = 0.0055*mm; // Reg2 |
---|
646 | fGasGap = 0.23*mm; // Reg2 |
---|
647 | fFoilNumber = 191; // Reg2 |
---|
648 | |
---|
649 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
650 | |
---|
651 | |
---|
652 | fAbsorberThickness = 0.4*mm; |
---|
653 | |
---|
654 | fAbsorberRadius = 100.*mm; |
---|
655 | fAbsorberZ = 136.*cm; |
---|
656 | |
---|
657 | fPipeLength = 50.0*cm; |
---|
658 | fMylarThick = 20.0*micrometer; |
---|
659 | |
---|
660 | fWindowThick = 51.0*micrometer ; |
---|
661 | fElectrodeThick = 100.0*micrometer ; |
---|
662 | fGapThick = 10.0*cm ; |
---|
663 | |
---|
664 | |
---|
665 | fDetThickness = 40.0*mm ; |
---|
666 | fDetLength = 200.0*cm ; |
---|
667 | fDetGap = 0.01*mm ; |
---|
668 | |
---|
669 | |
---|
670 | fStartR = 40*cm ; |
---|
671 | fStartZ = 100.0*mm ; |
---|
672 | |
---|
673 | fModuleNumber = 1 ; |
---|
674 | |
---|
675 | // Preparation of mixed radiator material |
---|
676 | |
---|
677 | |
---|
678 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
679 | G4Material* Air = fMat->GetMaterial("Air"); |
---|
680 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
681 | G4Material* CH2 = fMat->GetMaterial("CH2"); |
---|
682 | G4Material* He = fMat->GetMaterial("He"); |
---|
683 | |
---|
684 | G4double foilDensity = 0.91*g/cm3; // CH2 1.39*g/cm3; // Mylar // 0.534*g/cm3; //Li |
---|
685 | G4double gasDensity = 1.2928*mg/cm3; // Air // 1.977*mg/cm3; // CO2 0.178*mg/cm3; // He |
---|
686 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
687 | |
---|
688 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
689 | G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
690 | |
---|
691 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
692 | 2); |
---|
693 | radiatorMat->AddMaterial( CH2, fractionFoil ) ; |
---|
694 | radiatorMat->AddMaterial( Air, fractionGas ) ; |
---|
695 | |
---|
696 | // default materials of the detector and TR radiator |
---|
697 | |
---|
698 | fRadiatorMat = radiatorMat; |
---|
699 | fFoilMat = CH2; // Kapton; // Mylar ; // Li ; // CH2 ; |
---|
700 | fGasMat = Air; // CO2; // He; // |
---|
701 | |
---|
702 | fWindowMat = Mylar; |
---|
703 | fElectrodeMat = Al; |
---|
704 | |
---|
705 | fAbsorberMaterial = fMat->GetMaterial("Si"); |
---|
706 | |
---|
707 | // pipe material is assumed to be He + small admixture of air |
---|
708 | |
---|
709 | foilGasRatio = 0.99999; |
---|
710 | foilDensity = 1.2928*mg/cm3; // Air |
---|
711 | gasDensity = 0.178*mg/cm3; // He |
---|
712 | totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio); |
---|
713 | |
---|
714 | fractionFoil = foilDensity*foilGasRatio/totDensity; |
---|
715 | fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity; |
---|
716 | |
---|
717 | fPipeMat = new G4Material("pipeMat" , totDensity, 2); |
---|
718 | fPipeMat->AddMaterial( Air, fractionFoil ); |
---|
719 | fPipeMat->AddMaterial( He, fractionGas ); |
---|
720 | |
---|
721 | // fPipeMat = He; |
---|
722 | |
---|
723 | fGapMat = fAbsorberMaterial; |
---|
724 | |
---|
725 | fWorldMaterial = Air; |
---|
726 | |
---|
727 | |
---|
728 | fSolidWorld = new G4Box("World", fWorldSizeR,fWorldSizeR,fWorldSizeZ/2.); |
---|
729 | |
---|
730 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
731 | |
---|
732 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
733 | fLogicWorld, 0, false, 0); |
---|
734 | |
---|
735 | // TR radiator envelope |
---|
736 | |
---|
737 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
738 | |
---|
739 | fRadZ = fStartZ + 0.5*fRadThick ; |
---|
740 | // fRadZ = -fRadThick/2. - fElectrodeThick; |
---|
741 | // if ( fabs(pipe) > 1.e-15 ) fRadZ -= ( fPipeLength/2. + pipeDist ); |
---|
742 | |
---|
743 | |
---|
744 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
745 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
746 | |
---|
747 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
748 | "Radiator"); |
---|
749 | |
---|
750 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
751 | G4ThreeVector(0,0,fRadZ), |
---|
752 | "Radiator", fLogicRadiator, |
---|
753 | fPhysicsWorld, false, 0 ); |
---|
754 | |
---|
755 | // create region for radiator |
---|
756 | |
---|
757 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
758 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
759 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
760 | |
---|
761 | // Drift Electrode on both sides of Radiator: |
---|
762 | |
---|
763 | // G4Box* solidElectrode = new G4Box("Electrode",fAbsorberRadius*1.1, |
---|
764 | // fAbsorberRadius*1.1, |
---|
765 | // fElectrodeThick/2.); |
---|
766 | |
---|
767 | // G4LogicalVolume* logicElectrode = new G4LogicalVolume(solidElectrode, |
---|
768 | // fElectrodeMat, |
---|
769 | // "Electrode"); |
---|
770 | |
---|
771 | G4double zElectrode1 = fRadZ - fRadThick/2. - fElectrodeThick/2.; |
---|
772 | G4double zElectrode2 = fRadZ + fRadThick/2. + fElectrodeThick/2.; |
---|
773 | |
---|
774 | // G4VPhysicalVolume* physiElectrode1 = new G4PVPlacement(0, |
---|
775 | // G4ThreeVector(0.,0.,zElectrode1), |
---|
776 | // "Electrode1",logicElectrode, |
---|
777 | // fPhysicsWorld,false,0); |
---|
778 | |
---|
779 | // G4VPhysicalVolume* physiElectrode2 = new G4PVPlacement(0, |
---|
780 | // G4ThreeVector(0.,0.,zElectrode2), |
---|
781 | // "Electrode1",logicElectrode, |
---|
782 | // fPhysicsWorld,false,0); |
---|
783 | |
---|
784 | |
---|
785 | G4cout<<"zElectrode1 = "<<zElectrode1/mm<<" mm"<<G4endl; |
---|
786 | G4cout<<"zElectrode2 = "<<zElectrode2/mm<<" mm"<<G4endl; |
---|
787 | G4cout<<"fElectrodeThick = "<<fElectrodeThick/mm<<" mm"<<G4endl<<G4endl; |
---|
788 | |
---|
789 | // Helium Pipe: |
---|
790 | |
---|
791 | |
---|
792 | G4double pipe = 1.0; // use helium pipe is setup |
---|
793 | |
---|
794 | G4double pipeDist = 1.*cm; //Distance between pipe and radiator / absorber |
---|
795 | |
---|
796 | |
---|
797 | |
---|
798 | G4double zPipe = zElectrode2 + fElectrodeThick/2. + fPipeLength/2. + pipeDist/2.; |
---|
799 | |
---|
800 | // G4double field = 1.0; // field in helium pipe used? |
---|
801 | // G4double fieldStrength = 1.0*tesla; // field strength in pipe |
---|
802 | |
---|
803 | if ( std::fabs(pipe) > 1.e-15 ) |
---|
804 | { |
---|
805 | |
---|
806 | // G4Box* solidPipe = new G4Box("Pipe",fAbsorberRadius*0.5, |
---|
807 | // fAbsorberRadius*0.5, |
---|
808 | // fPipeLength/2. ); |
---|
809 | |
---|
810 | // G4LogicalVolume* logicPipe = new G4LogicalVolume(solidPipe, |
---|
811 | // fPipeMat, |
---|
812 | // "Pipe"); |
---|
813 | |
---|
814 | // magnetic field in Pipe: |
---|
815 | // if( fMagField ) delete fMagField; //delete the existing mag field |
---|
816 | // fMagField = new G4UniformMagField(G4ThreeVector(fieldStrength,0.,0.)); |
---|
817 | // G4FieldManager* fieldMgr= new G4FieldManager(fMagField); |
---|
818 | // fieldMgr->SetDetectorField(fMagField); |
---|
819 | // fieldMgr->CreateChordFinder(fMagField); |
---|
820 | // if ( fabs(field) > 1.e-15 ) logicPipe->SetFieldManager(fieldMgr, true); |
---|
821 | |
---|
822 | // G4VPhysicalVolume* physiPipe = new G4PVPlacement(0, |
---|
823 | // G4ThreeVector(0.,0.,zPipe), |
---|
824 | // "Pipe1",logicPipe, |
---|
825 | // fPhysicsWorld,false,0); |
---|
826 | |
---|
827 | G4cout<<"zPipe = "<<zPipe/mm<<" mm"<<G4endl; |
---|
828 | G4cout<<"fPipeLength = "<<fPipeLength/mm<<" mm"<<G4endl<<G4endl; |
---|
829 | |
---|
830 | } |
---|
831 | else G4cout<<"No Helium pipe is used"<<G4endl<<G4endl; |
---|
832 | |
---|
833 | // Mylar Foil on both sides of helium pipe: |
---|
834 | |
---|
835 | G4double zMylar1 = zPipe - fPipeLength/2. - fMylarThick/2 - 0.01*mm; |
---|
836 | G4double zMylar2 = zPipe + fPipeLength/2. + fMylarThick/2 + 0.01*mm; |
---|
837 | |
---|
838 | // G4Box* solidMylar = new G4Box("Mylar",fAbsorberRadius*0.6, |
---|
839 | // fAbsorberRadius*0.6, |
---|
840 | // fMylarThick/2.); |
---|
841 | |
---|
842 | // G4LogicalVolume* logicMylar = new G4LogicalVolume(solidMylar, |
---|
843 | // fWindowMat, |
---|
844 | // "Mylar"); |
---|
845 | |
---|
846 | if ( std::fabs(pipe) > 1.e-15 ) |
---|
847 | { |
---|
848 | |
---|
849 | // G4VPhysicalVolume* physiMylar1 = new G4PVPlacement(0, |
---|
850 | // G4ThreeVector( 0., 0., zMylar1), |
---|
851 | // "Mylar1", logicMylar, fPhysicsWorld, |
---|
852 | // false, 0); |
---|
853 | |
---|
854 | // G4VPhysicalVolume* physiMylar2 = new G4PVPlacement(0, |
---|
855 | // G4ThreeVector(0.,0.,zMylar2), |
---|
856 | // "Mylar2", logicMylar, fPhysicsWorld, |
---|
857 | // false, 0); |
---|
858 | |
---|
859 | G4cout<<"zMylar1 = "<<zMylar1/mm<<" mm"<<G4endl; |
---|
860 | G4cout<<"zMylar2 = "<<zMylar2/mm<<" mm"<<G4endl; |
---|
861 | G4cout<<"fMylarThick = "<<fMylarThick/mm<<" mm"<<G4endl<<G4endl; |
---|
862 | |
---|
863 | } |
---|
864 | |
---|
865 | // Mylar Foil on Chamber: |
---|
866 | |
---|
867 | G4double zMylar = zElectrode2 + fElectrodeThick/2. + fMylarThick/2. + 1.0*mm; |
---|
868 | |
---|
869 | if ( std::fabs(pipe) > 1.e-15 ) zMylar += ( fPipeLength + pipeDist ); |
---|
870 | |
---|
871 | // G4VPhysicalVolume* physiMylar = new G4PVPlacement(0, |
---|
872 | // G4ThreeVector(0.,0.,zMylar), |
---|
873 | // "Mylar",logicMylar,fPhysicsWorld,false,0); |
---|
874 | |
---|
875 | |
---|
876 | G4cout<<"zMylar = "<<zMylar/mm<<" mm"<<G4endl; |
---|
877 | G4cout<<"fMylarThick = "<<fMylarThick/mm<<" mm"<<G4endl<<G4endl; |
---|
878 | |
---|
879 | |
---|
880 | // Absorber |
---|
881 | |
---|
882 | fAbsorberZ = zMylar + fMylarThick/2. + fAbsorberThickness/2.; |
---|
883 | |
---|
884 | |
---|
885 | fSolidAbsorber = new G4Box("Absorber", |
---|
886 | // fAbsorberRadius, fAbsorberRadius, |
---|
887 | 10.*mm,10.*mm, |
---|
888 | fAbsorberThickness/2.); |
---|
889 | |
---|
890 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
891 | "Absorber"); |
---|
892 | |
---|
893 | fPhysicsAbsorber = new G4PVPlacement(0, G4ThreeVector(0.,0.,fAbsorberZ), |
---|
894 | "Absorber", fLogicAbsorber, |
---|
895 | fPhysicsWorld, false, 0); |
---|
896 | |
---|
897 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
898 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
899 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
900 | |
---|
901 | // Sensitive Detectors: Absorber |
---|
902 | |
---|
903 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
904 | |
---|
905 | if(!fCalorimeterSD) |
---|
906 | { |
---|
907 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
908 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
909 | } |
---|
910 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
911 | |
---|
912 | PrintGeometryParameters(); |
---|
913 | |
---|
914 | return fPhysicsWorld; |
---|
915 | } |
---|
916 | |
---|
917 | ///////////////////////////////////////////////////////////////////////////////// |
---|
918 | // |
---|
919 | // Setuo from F. Harris et al NIM 107 (1973) 413-422 (fig.5b) |
---|
920 | |
---|
921 | G4VPhysicalVolume* Em10DetectorConstruction::SetUpHarris73() |
---|
922 | { |
---|
923 | fWorldSizeZ = 400.*cm; |
---|
924 | fWorldSizeR = 20.*cm; |
---|
925 | |
---|
926 | // Radiator and detector parameters |
---|
927 | |
---|
928 | fRadThickness = 0.0127*mm; |
---|
929 | fGasGap = 0.762*mm; |
---|
930 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
931 | |
---|
932 | fFoilNumber = 100; |
---|
933 | |
---|
934 | fAbsorberThickness = 15.0*mm; |
---|
935 | |
---|
936 | fAbsorberRadius = 100.*mm; |
---|
937 | fAbsorberZ = 136.*cm; |
---|
938 | |
---|
939 | fWindowThick = 51.0*micrometer ; |
---|
940 | fElectrodeThick = 10.0*micrometer ; |
---|
941 | fGapThick = 10.0*cm ; |
---|
942 | |
---|
943 | |
---|
944 | fDetThickness = 40.0*mm ; |
---|
945 | fDetLength = 200.0*cm ; |
---|
946 | fDetGap = 0.01*mm ; |
---|
947 | |
---|
948 | |
---|
949 | fStartR = 40*cm ; |
---|
950 | fStartZ = 100.0*mm ; |
---|
951 | |
---|
952 | fModuleNumber = 1 ; |
---|
953 | |
---|
954 | // Preparation of mixed radiator material |
---|
955 | |
---|
956 | |
---|
957 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
958 | G4Material* Air = fMat->GetMaterial("Air"); |
---|
959 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
960 | |
---|
961 | G4double foilDensity = 1.39*g/cm3; // Mylar // 0.91*g/cm3; // CH2 0.534*g/cm3; //Li |
---|
962 | G4double gasDensity = 1.2928*mg/cm3; // Air // 1.977*mg/cm3; // CO2 0.178*mg/cm3; // He |
---|
963 | |
---|
964 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
965 | |
---|
966 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
967 | G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
968 | |
---|
969 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
970 | 2); |
---|
971 | radiatorMat->AddMaterial( Mylar, fractionFoil ) ; |
---|
972 | radiatorMat->AddMaterial( Air, fractionGas ) ; |
---|
973 | |
---|
974 | // default materials of the detector and TR radiator |
---|
975 | |
---|
976 | fRadiatorMat = radiatorMat; |
---|
977 | fFoilMat = Mylar; |
---|
978 | fGasMat = Air; |
---|
979 | |
---|
980 | fWindowMat = Mylar ; |
---|
981 | fElectrodeMat = Al ; |
---|
982 | |
---|
983 | fAbsorberMaterial = fMat->GetMaterial("Kr7CH4"); |
---|
984 | |
---|
985 | |
---|
986 | fGapMat = fAbsorberMaterial; |
---|
987 | |
---|
988 | fWorldMaterial = Air; // CO2 ; |
---|
989 | |
---|
990 | fSolidWorld = new G4Box("World", fWorldSizeR,fWorldSizeR,fWorldSizeZ/2.); |
---|
991 | |
---|
992 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
993 | |
---|
994 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
995 | fLogicWorld, 0, false, 0); |
---|
996 | |
---|
997 | // TR radiator envelope |
---|
998 | |
---|
999 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
1000 | |
---|
1001 | fRadZ = fStartZ + 0.5*fRadThick ; |
---|
1002 | |
---|
1003 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
1004 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
1005 | |
---|
1006 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
1007 | "Radiator"); |
---|
1008 | |
---|
1009 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
1010 | G4ThreeVector(0,0,fRadZ), |
---|
1011 | "Radiator", fLogicRadiator, |
---|
1012 | fPhysicsWorld, false, 0 ); |
---|
1013 | |
---|
1014 | // create region for window inside windowR for |
---|
1015 | |
---|
1016 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
1017 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
1018 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
1019 | |
---|
1020 | |
---|
1021 | |
---|
1022 | fWindowZ = fStartZ + fRadThick + fWindowThick/2. + 15.0*mm ; |
---|
1023 | |
---|
1024 | // G4Box* solidWindowR = new G4Box("WindowR",fAbsorberRadius+0.001, |
---|
1025 | // fAbsorberRadius+0.001, |
---|
1026 | // fWindowThick/2.+0.001 ); |
---|
1027 | |
---|
1028 | // G4LogicalVolume* logicWindowR = new G4LogicalVolume(solidWindowR, |
---|
1029 | // fWorldMaterial, "WindowR"); |
---|
1030 | |
---|
1031 | // G4VPhysicalVolume* physiWindowR = new G4PVPlacement(0, |
---|
1032 | // G4ThreeVector(0.,0.,fWindowZ), |
---|
1033 | // "WindowR",logicWindowR,fPhysicsWorld,false,0); |
---|
1034 | // window |
---|
1035 | |
---|
1036 | // G4Box* solidWindow = new G4Box("Window",fAbsorberRadius, |
---|
1037 | // fAbsorberRadius, fWindowThick/2.); |
---|
1038 | |
---|
1039 | // G4LogicalVolume* logicWindow = new G4LogicalVolume(solidWindow, |
---|
1040 | // fWindowMat, "Window"); |
---|
1041 | |
---|
1042 | // G4VPhysicalVolume* physiWindow = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
---|
1043 | // "Window", logicWindow, physiWindowR, false, 0); |
---|
1044 | |
---|
1045 | |
---|
1046 | fGapZ = fWindowZ + fWindowThick/2. + fGapThick/2. + 0.01*mm ; |
---|
1047 | |
---|
1048 | fElectrodeZ = fGapZ + fGapThick/2. + fElectrodeThick/2. + 0.01*mm; |
---|
1049 | |
---|
1050 | // Absorber |
---|
1051 | |
---|
1052 | fAbsorberZ = fElectrodeZ + fElectrodeThick/2. + fAbsorberThickness/2. + 0.01*mm; |
---|
1053 | |
---|
1054 | fSolidAbsorber = new G4Box("Absorber", fAbsorberRadius, |
---|
1055 | fAbsorberRadius, fAbsorberThickness/2.); |
---|
1056 | |
---|
1057 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
1058 | "Absorber"); |
---|
1059 | |
---|
1060 | fPhysicsAbsorber = new G4PVPlacement(0, G4ThreeVector(0.,0.,fAbsorberZ), |
---|
1061 | "Absorber", fLogicAbsorber, |
---|
1062 | fPhysicsWorld, false, 0); |
---|
1063 | |
---|
1064 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
1065 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
1066 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
1067 | |
---|
1068 | // Sensitive Detectors: Absorber |
---|
1069 | |
---|
1070 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
1071 | |
---|
1072 | if(!fCalorimeterSD) |
---|
1073 | { |
---|
1074 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
1075 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
1076 | } |
---|
1077 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
1078 | |
---|
1079 | PrintGeometryParameters(); |
---|
1080 | |
---|
1081 | return fPhysicsWorld; |
---|
1082 | } |
---|
1083 | |
---|
1084 | ///////////////////////////////////////////////////////////////////////////////// |
---|
1085 | // |
---|
1086 | // Setuo from Y. Watase et al, NIM A248 (1986) 379-388 (fig.7; Li, e-, 2 Gev/c) |
---|
1087 | |
---|
1088 | G4VPhysicalVolume* Em10DetectorConstruction::SetUpWatase86() |
---|
1089 | { |
---|
1090 | fWorldSizeZ = 400.*cm; |
---|
1091 | fWorldSizeR = 20.*cm; |
---|
1092 | |
---|
1093 | // Radiator and detector parameters |
---|
1094 | |
---|
1095 | fRadThickness = 0.04*mm; |
---|
1096 | fGasGap = 0.126*mm; |
---|
1097 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
1098 | |
---|
1099 | fFoilNumber = 300; |
---|
1100 | |
---|
1101 | fAbsorberThickness = 30.0*mm; |
---|
1102 | |
---|
1103 | fAbsorberRadius = 100.*mm; |
---|
1104 | fAbsorberZ = 136.*cm; |
---|
1105 | |
---|
1106 | fWindowThick = 51.0*micrometer ; |
---|
1107 | fElectrodeThick = 10.0*micrometer ; |
---|
1108 | fGapThick = 10.0*cm ; |
---|
1109 | |
---|
1110 | |
---|
1111 | fDetThickness = 30.0*mm ; |
---|
1112 | fDetLength = 200.0*cm ; |
---|
1113 | fDetGap = 0.01*mm ; |
---|
1114 | |
---|
1115 | |
---|
1116 | fStartR = 40*cm ; |
---|
1117 | fStartZ = 100.0*mm ; |
---|
1118 | |
---|
1119 | fModuleNumber = 1 ; |
---|
1120 | |
---|
1121 | // Preparation of mixed radiator material |
---|
1122 | |
---|
1123 | |
---|
1124 | G4Material* Li = fMat->GetMaterial("Li"); |
---|
1125 | // G4Material* Air = fMat->GetMaterial("Air"); |
---|
1126 | G4Material* He = fMat->GetMaterial("He"); |
---|
1127 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
1128 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
1129 | |
---|
1130 | G4double foilDensity = 0.534*g/cm3; //Li 1.39*g/cm3; // Mylar 0.91*g/cm3; // CH2 |
---|
1131 | G4double gasDensity = 0.178*mg/cm3; // He 1.2928*mg/cm3; // Air // 1.977*mg/cm3; // CO2 |
---|
1132 | |
---|
1133 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
1134 | |
---|
1135 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
1136 | G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
1137 | |
---|
1138 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
1139 | 2); |
---|
1140 | radiatorMat->AddMaterial( Li, fractionFoil ) ; |
---|
1141 | radiatorMat->AddMaterial( He, fractionGas ) ; |
---|
1142 | |
---|
1143 | // default materials of the detector and TR radiator |
---|
1144 | |
---|
1145 | fRadiatorMat = radiatorMat; |
---|
1146 | fFoilMat = Li; |
---|
1147 | fGasMat = He; |
---|
1148 | |
---|
1149 | fWindowMat = Mylar ; |
---|
1150 | fElectrodeMat = Al ; |
---|
1151 | |
---|
1152 | fAbsorberMaterial = fMat->GetMaterial("Xe10CH4"); |
---|
1153 | |
---|
1154 | |
---|
1155 | fGapMat = fAbsorberMaterial; |
---|
1156 | |
---|
1157 | fWorldMaterial = He; // Air; // CO2 ; |
---|
1158 | |
---|
1159 | fSolidWorld = new G4Box("World", fWorldSizeR,fWorldSizeR,fWorldSizeZ/2.); |
---|
1160 | |
---|
1161 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
1162 | |
---|
1163 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
1164 | fLogicWorld, 0, false, 0); |
---|
1165 | |
---|
1166 | // TR radiator envelope |
---|
1167 | |
---|
1168 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
1169 | |
---|
1170 | fRadZ = fStartZ + 0.5*fRadThick ; |
---|
1171 | |
---|
1172 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
1173 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
1174 | |
---|
1175 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
1176 | "Radiator"); |
---|
1177 | |
---|
1178 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
1179 | G4ThreeVector(0,0,fRadZ), |
---|
1180 | "Radiator", fLogicRadiator, |
---|
1181 | fPhysicsWorld, false, 0 ); |
---|
1182 | |
---|
1183 | // create region for window inside windowR for |
---|
1184 | |
---|
1185 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
1186 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
1187 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
1188 | |
---|
1189 | |
---|
1190 | |
---|
1191 | fWindowZ = fStartZ + fRadThick + fWindowThick/2. + 15.0*mm ; |
---|
1192 | |
---|
1193 | // G4Box* solidWindowR = new G4Box("WindowR",fAbsorberRadius+0.001, |
---|
1194 | // fAbsorberRadius+0.001, |
---|
1195 | // fWindowThick/2.+0.001 ); |
---|
1196 | |
---|
1197 | // G4LogicalVolume* logicWindowR = new G4LogicalVolume(solidWindowR, |
---|
1198 | // fWorldMaterial, "WindowR"); |
---|
1199 | |
---|
1200 | // G4VPhysicalVolume* physiWindowR = new G4PVPlacement(0, |
---|
1201 | // G4ThreeVector(0.,0.,fWindowZ), |
---|
1202 | // "WindowR",logicWindowR,fPhysicsWorld,false,0); |
---|
1203 | // window |
---|
1204 | |
---|
1205 | // G4Box* solidWindow = new G4Box("Window",fAbsorberRadius, |
---|
1206 | // fAbsorberRadius, fWindowThick/2.); |
---|
1207 | |
---|
1208 | // G4LogicalVolume* logicWindow = new G4LogicalVolume(solidWindow, |
---|
1209 | // fWindowMat, "Window"); |
---|
1210 | |
---|
1211 | // G4VPhysicalVolume* physiWindow = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
---|
1212 | // "Window", logicWindow, physiWindowR, false, 0); |
---|
1213 | |
---|
1214 | |
---|
1215 | fGapZ = fWindowZ + fWindowThick/2. + fGapThick/2. + 0.01*mm ; |
---|
1216 | |
---|
1217 | fElectrodeZ = fGapZ + fGapThick/2. + fElectrodeThick/2. + 0.01*mm; |
---|
1218 | |
---|
1219 | // Absorber |
---|
1220 | |
---|
1221 | fAbsorberZ = fElectrodeZ + fElectrodeThick/2. + fAbsorberThickness/2. + 0.01*mm; |
---|
1222 | |
---|
1223 | fSolidAbsorber = new G4Box("Absorber", fAbsorberRadius, |
---|
1224 | fAbsorberRadius, fAbsorberThickness/2.); |
---|
1225 | |
---|
1226 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
1227 | "Absorber"); |
---|
1228 | |
---|
1229 | fPhysicsAbsorber = new G4PVPlacement(0, G4ThreeVector(0.,0.,fAbsorberZ), |
---|
1230 | "Absorber", fLogicAbsorber, |
---|
1231 | fPhysicsWorld, false, 0); |
---|
1232 | |
---|
1233 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
1234 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
1235 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
1236 | |
---|
1237 | // Sensitive Detectors: Absorber |
---|
1238 | |
---|
1239 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
1240 | |
---|
1241 | if(!fCalorimeterSD) |
---|
1242 | { |
---|
1243 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
1244 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
1245 | } |
---|
1246 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
1247 | |
---|
1248 | PrintGeometryParameters(); |
---|
1249 | |
---|
1250 | return fPhysicsWorld; |
---|
1251 | } |
---|
1252 | |
---|
1253 | ///////////////////////////////////////////////////////////////////////////////// |
---|
1254 | // |
---|
1255 | // Setuo from G.D. Barr et al NIM A294 (1990) 465-472 (fig.11) |
---|
1256 | |
---|
1257 | G4VPhysicalVolume* Em10DetectorConstruction::SetUpBarr90() |
---|
1258 | { |
---|
1259 | fWorldSizeZ = 400.*cm; |
---|
1260 | fWorldSizeR = 20.*cm; |
---|
1261 | |
---|
1262 | // Radiator and detector parameters |
---|
1263 | |
---|
1264 | fRadThickness = 0.019*mm; |
---|
1265 | fGasGap = 0.6*mm; |
---|
1266 | foilGasRatio = fRadThickness/(fRadThickness+fGasGap); |
---|
1267 | |
---|
1268 | fFoilNumber = 350; |
---|
1269 | |
---|
1270 | fAbsorberThickness = 50.0*mm; |
---|
1271 | |
---|
1272 | fAbsorberRadius = 100.*mm; |
---|
1273 | fAbsorberZ = 136.*cm; |
---|
1274 | |
---|
1275 | fWindowThick = 51.0*micrometer ; |
---|
1276 | fElectrodeThick = 10.0*micrometer ; |
---|
1277 | fGapThick = 10.0*cm ; |
---|
1278 | |
---|
1279 | |
---|
1280 | fDetThickness = 50.0*mm ; |
---|
1281 | fDetLength = 200.0*cm ; |
---|
1282 | fDetGap = 0.01*mm ; |
---|
1283 | |
---|
1284 | |
---|
1285 | fStartR = 40*cm ; |
---|
1286 | fStartZ = 100.0*mm ; |
---|
1287 | |
---|
1288 | fModuleNumber = 1 ; |
---|
1289 | |
---|
1290 | // Preparation of mixed radiator material |
---|
1291 | |
---|
1292 | |
---|
1293 | G4Material* CH2 = fMat->GetMaterial("CH2"); |
---|
1294 | G4Material* CO2 = fMat->GetMaterial("CO2"); |
---|
1295 | G4Material* Air = fMat->GetMaterial("Air"); |
---|
1296 | G4Material* Al = fMat->GetMaterial("Al"); |
---|
1297 | G4Material* Mylar = fMat->GetMaterial("Mylar"); |
---|
1298 | |
---|
1299 | G4double foilDensity = 0.91*g/cm3; // CH21.39*g/cm3; // Mylar // 0.534*g/cm3; //Li |
---|
1300 | G4double gasDensity = 1.977*mg/cm3; // CO2 1.2928*mg/cm3; // Air // 0.178*mg/cm3; // He |
---|
1301 | |
---|
1302 | G4double totDensity = foilDensity*foilGasRatio + gasDensity*(1.0-foilGasRatio) ; |
---|
1303 | |
---|
1304 | G4double fractionFoil = foilDensity*foilGasRatio/totDensity ; |
---|
1305 | G4double fractionGas = gasDensity*(1.0-foilGasRatio)/totDensity ; |
---|
1306 | |
---|
1307 | G4Material* radiatorMat = new G4Material("radiatorMat" , totDensity, |
---|
1308 | 2); |
---|
1309 | radiatorMat->AddMaterial( CH2, fractionFoil ) ; |
---|
1310 | radiatorMat->AddMaterial( CO2, fractionGas ) ; |
---|
1311 | |
---|
1312 | // default materials of the detector and TR radiator |
---|
1313 | |
---|
1314 | fRadiatorMat = radiatorMat; |
---|
1315 | fFoilMat = CH2; |
---|
1316 | fGasMat = CO2; |
---|
1317 | |
---|
1318 | fWindowMat = Mylar ; |
---|
1319 | fElectrodeMat = Al ; |
---|
1320 | |
---|
1321 | fAbsorberMaterial = fMat->GetMaterial("Xe55He15CH4"); |
---|
1322 | |
---|
1323 | |
---|
1324 | fGapMat = fAbsorberMaterial; |
---|
1325 | |
---|
1326 | fWorldMaterial = Air; // CO2; // |
---|
1327 | |
---|
1328 | fSolidWorld = new G4Box("World", fWorldSizeR,fWorldSizeR,fWorldSizeZ/2.); |
---|
1329 | |
---|
1330 | fLogicWorld = new G4LogicalVolume(fSolidWorld, fWorldMaterial, "World"); |
---|
1331 | |
---|
1332 | fPhysicsWorld = new G4PVPlacement(0, G4ThreeVector(), "World", |
---|
1333 | fLogicWorld, 0, false, 0); |
---|
1334 | |
---|
1335 | // TR radiator envelope |
---|
1336 | |
---|
1337 | fRadThick = fFoilNumber*(fRadThickness + fGasGap) - fGasGap + fDetGap; |
---|
1338 | |
---|
1339 | fRadZ = fStartZ + 0.5*fRadThick ; |
---|
1340 | |
---|
1341 | fSolidRadiator = new G4Box("Radiator",1.1*fAbsorberRadius , |
---|
1342 | 1.1*fAbsorberRadius, 0.5*fRadThick ); |
---|
1343 | |
---|
1344 | fLogicRadiator = new G4LogicalVolume(fSolidRadiator, fRadiatorMat, |
---|
1345 | "Radiator"); |
---|
1346 | |
---|
1347 | fPhysicsRadiator = new G4PVPlacement(0, |
---|
1348 | G4ThreeVector(0,0,fRadZ), |
---|
1349 | "Radiator", fLogicRadiator, |
---|
1350 | fPhysicsWorld, false, 0 ); |
---|
1351 | |
---|
1352 | // create region for window inside windowR for |
---|
1353 | |
---|
1354 | if( fRadRegion != 0 ) delete fRadRegion; |
---|
1355 | if( fRadRegion == 0 ) fRadRegion = new G4Region("XTRradiator"); |
---|
1356 | fRadRegion->AddRootLogicalVolume(fLogicRadiator); |
---|
1357 | |
---|
1358 | |
---|
1359 | |
---|
1360 | fWindowZ = fStartZ + fRadThick + fWindowThick/2. + 15.0*mm ; |
---|
1361 | |
---|
1362 | // G4Box* solidWindowR = new G4Box("WindowR",fAbsorberRadius+0.001, |
---|
1363 | // fAbsorberRadius+0.001, |
---|
1364 | // fWindowThick/2.+0.001 ); |
---|
1365 | |
---|
1366 | // G4LogicalVolume* logicWindowR = new G4LogicalVolume(solidWindowR, |
---|
1367 | // fWorldMaterial, "WindowR"); |
---|
1368 | // |
---|
1369 | // G4VPhysicalVolume* physiWindowR = new G4PVPlacement(0, |
---|
1370 | // G4ThreeVector(0.,0.,fWindowZ), |
---|
1371 | // "WindowR",logicWindowR,fPhysicsWorld,false,0); |
---|
1372 | // window |
---|
1373 | |
---|
1374 | // G4Box* solidWindow = new G4Box("Window",fAbsorberRadius, |
---|
1375 | // fAbsorberRadius, fWindowThick/2.); |
---|
1376 | |
---|
1377 | // G4LogicalVolume* logicWindow = new G4LogicalVolume(solidWindow, |
---|
1378 | // fWindowMat, "Window"); |
---|
1379 | |
---|
1380 | // G4VPhysicalVolume* physiWindow = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), |
---|
1381 | // "Window", logicWindow, physiWindowR, false, 0); |
---|
1382 | |
---|
1383 | |
---|
1384 | fGapZ = fWindowZ + fWindowThick/2. + fGapThick/2. + 0.01*mm ; |
---|
1385 | |
---|
1386 | fElectrodeZ = fGapZ + fGapThick/2. + fElectrodeThick/2. + 0.01*mm; |
---|
1387 | |
---|
1388 | // Absorber |
---|
1389 | |
---|
1390 | fAbsorberZ = fElectrodeZ + fElectrodeThick/2. + fAbsorberThickness/2. + 0.01*mm; |
---|
1391 | |
---|
1392 | fSolidAbsorber = new G4Box("Absorber", fAbsorberRadius, |
---|
1393 | fAbsorberRadius, fAbsorberThickness/2.); |
---|
1394 | |
---|
1395 | fLogicAbsorber = new G4LogicalVolume(fSolidAbsorber, fAbsorberMaterial, |
---|
1396 | "Absorber"); |
---|
1397 | |
---|
1398 | fPhysicsAbsorber = new G4PVPlacement(0, G4ThreeVector(0.,0.,fAbsorberZ), |
---|
1399 | "Absorber", fLogicAbsorber, |
---|
1400 | fPhysicsWorld, false, 0); |
---|
1401 | |
---|
1402 | if( fRegGasDet != 0 ) delete fRegGasDet; |
---|
1403 | if( fRegGasDet == 0 ) fRegGasDet = new G4Region("XTRdEdxDetector"); |
---|
1404 | fRegGasDet->AddRootLogicalVolume(fLogicAbsorber); |
---|
1405 | |
---|
1406 | // Sensitive Detectors: Absorber |
---|
1407 | |
---|
1408 | G4SDManager* SDman = G4SDManager::GetSDMpointer(); |
---|
1409 | |
---|
1410 | if(!fCalorimeterSD) |
---|
1411 | { |
---|
1412 | fCalorimeterSD = new Em10CalorimeterSD("CalorSD",this); |
---|
1413 | SDman->AddNewDetector( fCalorimeterSD ); |
---|
1414 | } |
---|
1415 | if (fLogicAbsorber) fLogicAbsorber->SetSensitiveDetector(fCalorimeterSD); |
---|
1416 | |
---|
1417 | PrintGeometryParameters(); |
---|
1418 | |
---|
1419 | return fPhysicsWorld; |
---|
1420 | } |
---|
1421 | |
---|
1422 | //////////////////////////////////////////////////////////////////////////// |
---|
1423 | // |
---|
1424 | // |
---|
1425 | |
---|
1426 | void Em10DetectorConstruction::TestOld() |
---|
1427 | { |
---|
1428 | // G4double inch = 2.54*cm ; |
---|
1429 | // G4double mil = inch/1000.0 ; |
---|
1430 | // G4double GetzstartAbs() {return zstartAbs;}; |
---|
1431 | // G4double GetzendAbs() {return zendAbs;}; |
---|
1432 | // void ComputeCalorParameters(); |
---|
1433 | |
---|
1434 | // void SetGammaCut(G4double cut){fGammaCut = cut;}; |
---|
1435 | // void SetElectronCut(G4double cut){fElectronCut = cut;}; |
---|
1436 | // void SetPositronCut(G4double cut){fPositronCut = cut;}; |
---|
1437 | // G4int fModelNumber ; // selection of parametrisation model1-10 |
---|
1438 | // void SetAlphaPlate (G4double val){fAlphaPlate = val;}; |
---|
1439 | // void SetAlphaGas (G4double val){fAlphaGas = val;}; |
---|
1440 | |
---|
1441 | // G4double fAlphaPlate ; |
---|
1442 | // G4double fAlphaGas ; |
---|
1443 | |
---|
1444 | // fAlphaPlate = 160.0; |
---|
1445 | // fAlphaGas = 160.0; |
---|
1446 | // fModelNumber = 0; |
---|
1447 | |
---|
1448 | |
---|
1449 | // create commands for interactive definition of the calorimeter |
---|
1450 | |
---|
1451 | // fGammaCut = 23*mm; |
---|
1452 | // fElectronCut = 23*mm; |
---|
1453 | // fPositronCut = 23*mm; |
---|
1454 | |
---|
1455 | // G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
---|
1456 | |
---|
1457 | |
---|
1458 | // G4int i, j ; |
---|
1459 | // G4int j ; |
---|
1460 | // G4double zModule, zRadiator, rModule, rRadiator ; |
---|
1461 | |
---|
1462 | // complete the Calor parameters definition and Print |
---|
1463 | |
---|
1464 | //ComputeCalorParameters(); |
---|
1465 | |
---|
1466 | // zRadiator ; |
---|
1467 | |
---|
1468 | // World |
---|
1469 | |
---|
1470 | // if(solidWorld) delete solidWorld ; |
---|
1471 | // if(logicWorld) delete logicWorld ; |
---|
1472 | // if(physiWorld) delete physiWorld ; |
---|
1473 | |
---|
1474 | // if(solidRadiator) delete solidRadiator; |
---|
1475 | // if(logicRadiator) delete logicRadiator; |
---|
1476 | // if(physiRadiator) delete physiRadiator; |
---|
1477 | |
---|
1478 | // radThick *= 1.02 ; |
---|
1479 | |
---|
1480 | // if(fSolidRadSlice) delete fSolidRadSlice; |
---|
1481 | // if(fLogicRadSlice) delete fLogicRadSlice; |
---|
1482 | // if(fPhysicRadSlice) delete fPhysicRadSlice; |
---|
1483 | // fSolidRadSlice = new G4Box("RadSlice",fAbsorberRadius, |
---|
1484 | // fAbsorberRadius,0.5*fRadThickness ) ; |
---|
1485 | |
---|
1486 | // fLogicRadSlice = new G4LogicalVolume(fSolidRadSlice,fRadiatorMat, |
---|
1487 | // "RadSlice",0,0,0); |
---|
1488 | |
---|
1489 | /* |
---|
1490 | for(j=0;j<fFoilNumber;j++) |
---|
1491 | { |
---|
1492 | |
---|
1493 | zRadiator = zModule + j*(fRadThickness + fGasGap) ; |
---|
1494 | G4cout<<zRadiator/mm<<" mm"<<"\t" ; |
---|
1495 | // G4cout<<"j = "<<j<<"\t" ; |
---|
1496 | |
---|
1497 | fPhysicRadSlice = new G4PVPlacement(0,G4ThreeVector(0.,0.,zRadiator-zRad), |
---|
1498 | "RadSlice",fLogicRadSlice, |
---|
1499 | physiRadiator,false,j); |
---|
1500 | } |
---|
1501 | G4cout<<G4endl ; |
---|
1502 | */ |
---|
1503 | // fRadRegion->RemoveRootLogicalVolume(logicWindowR); |
---|
1504 | // G4ProductionCuts* cutsR = 0; |
---|
1505 | // cutsR = new G4ProductionCuts(); |
---|
1506 | // fRadRegion->SetProductionCuts(cutsR); |
---|
1507 | |
---|
1508 | // else // Second time - get a cut object from region |
---|
1509 | { |
---|
1510 | // cutsR = fRadRegion->GetProductionCuts(); |
---|
1511 | } |
---|
1512 | |
---|
1513 | // cutsR->SetProductionCut(fGammaCut,"gamma"); |
---|
1514 | // cutsR->SetProductionCut(fElectronCut,"e-"); |
---|
1515 | // cutsR->SetProductionCut(fPositronCut,"e+"); |
---|
1516 | // G4Box* solidGap = new G4Box("Gap",fAbsorberRadius, fAbsorberRadius, |
---|
1517 | // fGapThick/2. ) ; |
---|
1518 | |
---|
1519 | // G4LogicalVolume* logicGap = new G4LogicalVolume(solidGap,fGapMat, "Gap"); |
---|
1520 | |
---|
1521 | // G4VPhysicalVolume* physiGap = new G4PVPlacement(0, |
---|
1522 | // G4ThreeVector(0.,0.,zGap), |
---|
1523 | // "Gap",logicGap,physiWorld,false,0); |
---|
1524 | |
---|
1525 | |
---|
1526 | // G4Box* solidElectrode = new G4Box("Electrode",fAbsorberRadius, |
---|
1527 | // fAbsorberRadius, fElectrodeThick/2. ); |
---|
1528 | |
---|
1529 | // G4LogicalVolume* logicElectrode = new G4LogicalVolume(solidElectrode, |
---|
1530 | // fElectrodeMat, "Electrode"); |
---|
1531 | |
---|
1532 | // G4VPhysicalVolume* physiElectrode = new G4PVPlacement(0, |
---|
1533 | // G4ThreeVector(0.,0.,zElectrode), |
---|
1534 | // "Electrode",logicElectrode, |
---|
1535 | // physiWorld,false,0); |
---|
1536 | // if(solidAbsorber) delete solidAbsorber ; |
---|
1537 | // if(logicAbsorber) delete logicAbsorber ; |
---|
1538 | // if(physiAbsorber) delete physiAbsorber ; |
---|
1539 | // if (fAbsorberThickness > 0.) |
---|
1540 | // { |
---|
1541 | // } |
---|
1542 | |
---|
1543 | // fRegGasDet->RemoveRootLogicalVolume(logicAbsorber); |
---|
1544 | // G4ProductionCuts* cuts = 0; |
---|
1545 | // cuts = new G4ProductionCuts(); |
---|
1546 | // fRegGasDet->SetProductionCuts(cuts); |
---|
1547 | // else // Second time - get a cut object from region |
---|
1548 | { |
---|
1549 | // cuts = fRegGasDet->GetProductionCuts(); |
---|
1550 | } |
---|
1551 | |
---|
1552 | |
---|
1553 | // cuts->SetProductionCut(fGammaCut,"gamma"); |
---|
1554 | // cuts->SetProductionCut(fElectronCut,"e-"); |
---|
1555 | // cuts->SetProductionCut(fPositronCut,"e+"); |
---|
1556 | |
---|
1557 | } |
---|
1558 | |
---|
1559 | |
---|
1560 | |
---|
1561 | |
---|
1562 | //////////////////////////////////////////////////////////////////////////// |
---|
1563 | // |
---|
1564 | // |
---|
1565 | |
---|
1566 | void Em10DetectorConstruction::PrintGeometryParameters() |
---|
1567 | { |
---|
1568 | G4cout << "\n The WORLD is made of " |
---|
1569 | << fWorldSizeZ/mm << "mm of " << fWorldMaterial->GetName() ; |
---|
1570 | G4cout << ", the transverse size (R) of the world is " << fWorldSizeR/mm << " mm. " << G4endl; |
---|
1571 | G4cout << " The ABSORBER is made of " |
---|
1572 | << fAbsorberThickness/mm << "mm of " << fAbsorberMaterial->GetName() ; |
---|
1573 | G4cout << ", the transverse size (R) is " << fAbsorberRadius/mm << " mm. " << G4endl; |
---|
1574 | G4cout << " Z position of the (middle of the) absorber " << fAbsorberZ/mm << " mm." << G4endl; |
---|
1575 | |
---|
1576 | G4cout<<"fRadZ = "<<fRadZ/mm<<" mm"<<G4endl ; |
---|
1577 | |
---|
1578 | G4cout<<"fStartZ = "<<fStartZ/mm<<" mm"<<G4endl ; |
---|
1579 | |
---|
1580 | G4cout<<"fRadThick = "<<fRadThick/mm<<" mm"<<G4endl ; |
---|
1581 | G4cout<<"fFoilNumber = "<<fFoilNumber<<G4endl ; |
---|
1582 | G4cout<<"fRadiatorMat = "<<fRadiatorMat->GetName()<<G4endl ; |
---|
1583 | G4cout<<"WorldMaterial = "<<fWorldMaterial->GetName()<<G4endl ; |
---|
1584 | // G4cout<<"fAbsorberZ = "<<fAbsorberZ/mm<<" mm"<<G4endl; |
---|
1585 | G4cout << G4endl; |
---|
1586 | } |
---|
1587 | |
---|
1588 | /////////////////////////////////////////////////////////////////////////// |
---|
1589 | // |
---|
1590 | // |
---|
1591 | |
---|
1592 | void Em10DetectorConstruction::SetAbsorberMaterial(G4String materialChoice) |
---|
1593 | { |
---|
1594 | // get the pointer to the material table |
---|
1595 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
---|
1596 | |
---|
1597 | // search the material by its name |
---|
1598 | G4Material* pttoMaterial; |
---|
1599 | |
---|
1600 | for (size_t J=0 ; J<theMaterialTable->size() ; J++) |
---|
1601 | { |
---|
1602 | pttoMaterial = (*theMaterialTable)[J]; |
---|
1603 | |
---|
1604 | if(pttoMaterial->GetName() == materialChoice) |
---|
1605 | { |
---|
1606 | fAbsorberMaterial = pttoMaterial; |
---|
1607 | fLogicAbsorber->SetMaterial(pttoMaterial); |
---|
1608 | // PrintCalorParameters(); |
---|
1609 | } |
---|
1610 | } |
---|
1611 | } |
---|
1612 | /////////////////////////////////////////////////////////////////////////// |
---|
1613 | // |
---|
1614 | // |
---|
1615 | |
---|
1616 | void Em10DetectorConstruction::SetRadiatorMaterial(G4String materialChoice) |
---|
1617 | { |
---|
1618 | // get the pointer to the material table |
---|
1619 | |
---|
1620 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
---|
1621 | |
---|
1622 | // search the material by its name |
---|
1623 | |
---|
1624 | G4Material* pttoMaterial; |
---|
1625 | for (size_t J=0 ; J<theMaterialTable->size() ; J++) |
---|
1626 | { |
---|
1627 | pttoMaterial = (*theMaterialTable)[J]; |
---|
1628 | |
---|
1629 | if(pttoMaterial->GetName() == materialChoice) |
---|
1630 | { |
---|
1631 | fRadiatorMat = pttoMaterial; |
---|
1632 | fLogicRadSlice->SetMaterial(pttoMaterial); |
---|
1633 | // PrintCalorParameters(); |
---|
1634 | } |
---|
1635 | } |
---|
1636 | } |
---|
1637 | |
---|
1638 | //////////////////////////////////////////////////////////////////////////// |
---|
1639 | // |
---|
1640 | // |
---|
1641 | |
---|
1642 | void Em10DetectorConstruction::SetWorldMaterial(G4String materialChoice) |
---|
1643 | { |
---|
1644 | // get the pointer to the material table |
---|
1645 | const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable(); |
---|
1646 | |
---|
1647 | // search the material by its name |
---|
1648 | G4Material* pttoMaterial; |
---|
1649 | |
---|
1650 | for (size_t J=0 ; J<theMaterialTable->size() ; J++) |
---|
1651 | { |
---|
1652 | pttoMaterial = (*theMaterialTable)[J]; |
---|
1653 | |
---|
1654 | if(pttoMaterial->GetName() == materialChoice) |
---|
1655 | { |
---|
1656 | fWorldMaterial = pttoMaterial; |
---|
1657 | fLogicWorld->SetMaterial(pttoMaterial); |
---|
1658 | // PrintCalorParameters(); |
---|
1659 | } |
---|
1660 | } |
---|
1661 | } |
---|
1662 | |
---|
1663 | /////////////////////////////////////////////////////////////////////////// |
---|
1664 | // |
---|
1665 | // |
---|
1666 | |
---|
1667 | void Em10DetectorConstruction::SetAbsorberThickness(G4double val) |
---|
1668 | { |
---|
1669 | // change Absorber thickness and recompute the calorimeter parameters |
---|
1670 | fAbsorberThickness = val; |
---|
1671 | // ComputeCalorParameters(); |
---|
1672 | } |
---|
1673 | |
---|
1674 | /////////////////////////////////////////////////////////////////////////// |
---|
1675 | // |
---|
1676 | // |
---|
1677 | |
---|
1678 | void Em10DetectorConstruction::SetRadiatorThickness(G4double val) |
---|
1679 | { |
---|
1680 | // change XTR radiator thickness and recompute the calorimeter parameters |
---|
1681 | fRadThickness = val; |
---|
1682 | // ComputeCalorParameters(); |
---|
1683 | } |
---|
1684 | |
---|
1685 | /////////////////////////////////////////////////////////////////////////// |
---|
1686 | // |
---|
1687 | // |
---|
1688 | |
---|
1689 | void Em10DetectorConstruction::SetGasGapThickness(G4double val) |
---|
1690 | { |
---|
1691 | // change XTR gas gap thickness and recompute the calorimeter parameters |
---|
1692 | fGasGap = val; |
---|
1693 | // ComputeCalorParameters(); |
---|
1694 | } |
---|
1695 | |
---|
1696 | ///////////////////////////////////////////////////////////////////////////// |
---|
1697 | // |
---|
1698 | // |
---|
1699 | |
---|
1700 | void Em10DetectorConstruction::SetAbsorberRadius(G4double val) |
---|
1701 | { |
---|
1702 | // change the transverse size and recompute the calorimeter parameters |
---|
1703 | fAbsorberRadius = val; |
---|
1704 | // ComputeCalorParameters(); |
---|
1705 | } |
---|
1706 | |
---|
1707 | //////////////////////////////////////////////////////////////////////////// |
---|
1708 | // |
---|
1709 | // |
---|
1710 | |
---|
1711 | void Em10DetectorConstruction::SetWorldSizeZ(G4double val) |
---|
1712 | { |
---|
1713 | fWorldChanged=true; |
---|
1714 | fWorldSizeZ = val; |
---|
1715 | // ComputeCalorParameters(); |
---|
1716 | } |
---|
1717 | |
---|
1718 | /////////////////////////////////////////////////////////////////////////// |
---|
1719 | // |
---|
1720 | // |
---|
1721 | |
---|
1722 | void Em10DetectorConstruction::SetWorldSizeR(G4double val) |
---|
1723 | { |
---|
1724 | fWorldChanged=true; |
---|
1725 | fWorldSizeR = val; |
---|
1726 | // ComputeCalorParameters(); |
---|
1727 | } |
---|
1728 | |
---|
1729 | ////////////////////////////////////////////////////////////////////////////// |
---|
1730 | // |
---|
1731 | // |
---|
1732 | |
---|
1733 | void Em10DetectorConstruction::SetAbsorberZpos(G4double val) |
---|
1734 | { |
---|
1735 | fAbsorberZ = val; |
---|
1736 | // ComputeCalorParameters(); |
---|
1737 | } |
---|
1738 | |
---|
1739 | ////////////////////////////////////////////////////////////////////////////// |
---|
1740 | // |
---|
1741 | // |
---|
1742 | |
---|
1743 | void Em10DetectorConstruction::SetMagField(G4double) |
---|
1744 | { |
---|
1745 | //apply a global uniform magnetic field along X axis |
---|
1746 | |
---|
1747 | /* ********************************************************* |
---|
1748 | |
---|
1749 | G4FieldManager* fieldMgr |
---|
1750 | = G4TransportationManager::GetTransportationManager()->GetFieldManager(); |
---|
1751 | |
---|
1752 | if(magField) delete magField; //delete the existing magn field |
---|
1753 | |
---|
1754 | if(fieldValue!=0.) // create a new one if non nul |
---|
1755 | { |
---|
1756 | magField = new G4UniformMagField(G4ThreeVector(fieldValue,0.,0.)); |
---|
1757 | fieldMgr->SetDetectorField(magField); |
---|
1758 | fieldMgr->CreateChordFinder(magField); |
---|
1759 | } |
---|
1760 | else |
---|
1761 | { |
---|
1762 | magField = 0; |
---|
1763 | fieldMgr->SetDetectorField(magField); |
---|
1764 | } |
---|
1765 | |
---|
1766 | *************************************************************** */ |
---|
1767 | |
---|
1768 | } |
---|
1769 | |
---|
1770 | /////////////////////////////////////////////////////////////////////////////// |
---|
1771 | // |
---|
1772 | // |
---|
1773 | |
---|
1774 | void Em10DetectorConstruction::UpdateGeometry() |
---|
1775 | { |
---|
1776 | G4RunManager::GetRunManager()->DefineWorldVolume(ConstructDetectorXTR()); |
---|
1777 | } |
---|
1778 | |
---|
1779 | // |
---|
1780 | // |
---|
1781 | //////////////////////////////////////////////////////////////////////////// |
---|
1782 | |
---|
1783 | |
---|
1784 | |
---|
1785 | |
---|
1786 | |
---|
1787 | |
---|
1788 | |
---|
1789 | |
---|
1790 | |
---|
1791 | |
---|
1792 | |
---|
1793 | |
---|
1794 | |
---|
1795 | |
---|
1796 | |
---|
1797 | |
---|
1798 | |
---|