source: trunk/examples/advanced/underground_physics/src/DMXDetectorConstruction.cc@ 1277

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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// --------------------------------------------------------------
28// GEANT 4 - Underground Dark Matter Detector Advanced Example
29//
30// For information related to this code contact: Alex Howard
31// e-mail: alexander.howard@cern.ch
32// --------------------------------------------------------------
33// Comments
34//
35// Underground Advanced
36// by A. Howard and H. Araujo
37// (27th November 2001)
38//
39// DetectorConstruction program
40// --------------------------------------------------------------
41
42#include "DMXDetectorConstruction.hh"
43#include "DMXDetectorMessenger.hh"
44
45#include "DMXScintSD.hh"
46#include "DMXPmtSD.hh"
47
48#include "G4Material.hh"
49#include "G4MaterialTable.hh"
50#include "G4Element.hh"
51#include "G4Isotope.hh"
52#include "G4UnitsTable.hh"
53#include "G4Box.hh"
54#include "G4Tubs.hh"
55#include "G4Sphere.hh"
56#include "G4UnionSolid.hh"
57#include "G4SubtractionSolid.hh"
58
59#include "G4LogicalVolume.hh"
60#include "G4PVPlacement.hh"
61#include "G4ThreeVector.hh"
62#include "G4RotationMatrix.hh"
63#include "G4Transform3D.hh"
64#include "G4LogicalBorderSurface.hh"
65#include "G4LogicalSkinSurface.hh"
66#include "G4OpBoundaryProcess.hh"
67
68#include "G4FieldManager.hh"
69#include "G4UniformElectricField.hh"
70#include "G4TransportationManager.hh"
71#include "G4MagIntegratorStepper.hh"
72#include "G4EqMagElectricField.hh"
73#include "G4ClassicalRK4.hh"
74#include "G4ChordFinder.hh"
75
76#include "G4SDManager.hh"
77
78#include "G4VisAttributes.hh"
79#include "G4Colour.hh"
80
81#include "G4UserLimits.hh"
82
83#include "G4RunManager.hh"
84
85
86//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
87DMXDetectorConstruction::DMXDetectorConstruction()
88{
89 // create commands for interactive definition of time cuts:
90 detectorMessenger = new DMXDetectorMessenger(this);
91
92 theUserLimitsForRoom = 0;
93 theUserLimitsForDetector = 0;
94 // default time cut = infinite
95 // - note also number of steps cut in stepping action = MaxNoSteps
96 theMaxTimeCuts = DBL_MAX;
97 theMaxStepSize = DBL_MAX;
98 theDetectorStepSize = DBL_MAX;
99 theRoomTimeCut = 1000. * nanosecond;
100 theMinEkine = 250.0*eV; // minimum kinetic energy required in volume
101 theRoomMinEkine = 250.0*eV; // minimum kinetic energy required in volume
102
103}
104
105
106//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
107DMXDetectorConstruction::~DMXDetectorConstruction()
108{
109 delete theUserLimitsForRoom;
110 delete theUserLimitsForDetector;
111 delete detectorMessenger;
112}
113
114
115
116//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
117void DMXDetectorConstruction::DefineMaterials()
118{
119
120#include "DMXDetectorMaterial.icc"
121
122}
123
124
125/*
126//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
127void DMXDetectorConstruction::DefineField() {
128
129#include "DMXDetectorField.icc"
130
131}
132*/
133
134
135//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
136G4VPhysicalVolume* DMXDetectorConstruction::Construct() {
137
138 DefineMaterials();
139
140 // DefineField();
141
142 // make colours
143 G4Colour white (1.0, 1.0, 1.0) ;
144 G4Colour grey (0.5, 0.5, 0.5) ;
145 G4Colour lgrey (.85, .85, .85) ;
146 G4Colour red (1.0, 0.0, 0.0) ;
147 G4Colour blue (0.0, 0.0, 1.0) ;
148 G4Colour cyan (0.0, 1.0, 1.0) ;
149 G4Colour magenta (1.0, 0.0, 1.0) ;
150 G4Colour yellow (1.0, 1.0, 0.0) ;
151 G4Colour orange (.75, .55, 0.0) ;
152 G4Colour lblue (0.0, 0.0, .75) ;
153 G4Colour lgreen (0.0, .75, 0.0) ;
154 G4Colour green (0.0, 1.0, 0.0) ;
155 G4Colour brown (0.7, 0.4, 0.1) ;
156
157
158 // un-used colours:
159 // G4Colour black (0.0, 0.0, 0.0) ;
160
161
162
163 // Universe - room wall - CONCRETE ****************************************
164
165 //NB: measured INSIDE of lab, therefore have to add twice wall thickness
166 G4double wallThick = 24.*cm;
167 G4double worldWidth = 470.0*cm + 2.*wallThick; // "x"
168 G4double worldLength = 690.0*cm + 2.*wallThick; // "y"
169 G4double worldHeight = 280.0*cm + 2.*wallThick; // "z"
170
171 G4Box* world_box = new G4Box
172 ("world_box", 0.5*worldWidth, 0.5*worldLength, 0.5*worldHeight );
173 world_log = new G4LogicalVolume(world_box, world_mat, "world_log");
174 world_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.),
175 "world_phys", world_log, NULL, false,0);
176
177 // G4VisAttributes* world_vat= new G4VisAttributes(white);
178 world_log->SetVisAttributes(G4VisAttributes::Invisible);
179 //world_vat->SetVisibility(true);
180 //world_vat->SetVisibility(false);
181 //world_log->SetVisAttributes(world_vat);
182
183
184 // Lab Space - AIR ********************************************************
185
186 G4double labWidth = worldWidth - 2.*wallThick; //X
187 G4double labLength = worldLength - 2.*wallThick; //Y
188 G4double labHeight = worldHeight - 2.*wallThick; //Z
189
190 G4Box* lab_box = new G4Box
191 ("lab_box", 0.5*labWidth, 0.5*labLength, 0.5*labHeight );
192 lab_log = new G4LogicalVolume(lab_box, lab_mat, "lab_log");
193 lab_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.), "lab_phys",
194 lab_log, world_phys, false,0);
195
196 G4VisAttributes* lab_vat= new G4VisAttributes(white);
197 // lab_log->SetVisAttributes(G4VisAttributes::Invisible);
198 // lab_vat->SetVisibility(true);
199 lab_vat->SetVisibility(false);
200 lab_log->SetVisAttributes(lab_vat);
201
202// include room furniture: **************************************************
203
204#include "DMXDetectorRoom.icc"
205
206 // Now start with detector assembly:
207
208 // first LN2 cooling container: *******************************************
209
210 G4double PosZ = -25.3*cm; // extra z-pos to correspond with height in lab
211
212 G4double LN2jacketRadius = 107.5*mm;
213 G4double LN2jacketHeight = 590.0*mm;
214 G4double jacketHeight = 680.0*mm;
215 G4double jacketflangeHeight = 53.0*mm;
216 G4double LN2PosZ = 0.5*jacketHeight + 0.5*LN2jacketHeight
217 + jacketflangeHeight + PosZ;
218
219 G4Tubs* LN2jacket_tube = new G4Tubs("LN2jacket_tube",
220 0.*cm, LN2jacketRadius, 0.5*LN2jacketHeight, 0.*deg, 360.*deg);
221 LN2jacket_log = new G4LogicalVolume
222 (LN2jacket_tube, LN2jacket_mat, "LN2jacket_log");
223 LN2jacket_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,LN2PosZ),
224 "LN2jacket_phys", LN2jacket_log, lab_phys, false,0);
225
226 G4VisAttributes* LN2jacket_vat = new G4VisAttributes(lgrey);
227 // LN2jacket_log->SetVisAttributes(G4VisAttributes::Invisible);
228 // LN2jacket_vat->SetVisibility(true);
229 LN2jacket_log->SetVisAttributes(LN2jacket_vat);
230
231 // LN2jacket vacuum: **********************
232
233 G4double LN2jacketMetalThick = 2.0*mm;
234 G4double LN2vacuumRadius = LN2jacketRadius - LN2jacketMetalThick;
235 G4double LN2vacuumHeight = LN2jacketHeight - LN2jacketMetalThick;
236
237 G4Tubs* LN2vacuum_tube = new G4Tubs("LN2vacuum_tube",
238 0.*cm, LN2vacuumRadius, 0.5*LN2vacuumHeight, 0.*deg, 360.*deg);
239 LN2vacuum_log = new G4LogicalVolume
240 (LN2vacuum_tube, vacuum_mat, "LN2vacuum_log");
241 LN2vacuum_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.),
242 "LN2vacuum_phys", LN2vacuum_log, LN2jacket_phys, false,0);
243
244 LN2vacuum_log->SetVisAttributes(G4VisAttributes::Invisible);
245
246 // LN2 vessel: ************************************************************
247
248 G4double LN2Radius = 76.0*mm;
249 G4double LN2Height = 590.0*mm - 2.*LN2jacketMetalThick;
250 G4double LN2vesselRadius = LN2Radius + LN2jacketMetalThick;
251 G4double LN2vesselHeight = LN2Height;
252 G4double LN2vesselPosZ = 0.5*LN2vacuumHeight - 0.5*LN2vesselHeight;
253
254 G4Tubs* LN2vessel_tube = new G4Tubs("LN2vessel_tube",
255 0.*cm, LN2vesselRadius, 0.5*LN2vesselHeight, 0.*deg, 360.*deg);
256 LN2vessel_log = new G4LogicalVolume
257 (LN2vessel_tube, LN2jacket_mat, "LN2vessel_log");
258 LN2vessel_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,LN2vesselPosZ),
259 "LN2vessel_phys", LN2vessel_log, LN2vacuum_phys, false,0);
260
261 G4VisAttributes* LN2vessel_vat = new G4VisAttributes(lgrey);
262 // LN2vessel_log->SetVisAttributes(G4VisAttributes::Invisible);
263 // LN2vessel_vat->SetVisibility(true);
264 LN2vessel_log->SetVisAttributes(LN2vessel_vat);
265
266
267 // and finally LN2: *******************************************************
268
269 G4Tubs* LN2_tube = new G4Tubs("LN2_tube",
270 0.*cm, LN2Radius, 0.5*LN2Height, 0.*deg, 360.*deg);
271 LN2_log = new G4LogicalVolume(LN2_tube, LN2_mat, "LN2_log");
272 LN2_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.),
273 "LN2_phys", LN2_log, LN2vessel_phys, false,0);
274
275 G4VisAttributes* LN2_vat = new G4VisAttributes(green);
276 LN2_vat->SetVisibility(true);
277 LN2_log->SetVisAttributes(LN2_vat);
278
279
280 // outer vacuum jacket volume: stainless steel ****************************
281
282 G4double jacketRadius = 127.5*mm;
283 // G4double jacketHeight = 680.0*mm; // defined above to get full-height
284 G4double jacketMetalThick = LN2jacketMetalThick;
285
286 G4Tubs* jacket_tube = new G4Tubs("jacket_tube",
287 0.*cm, jacketRadius, 0.5*jacketHeight, 0.*deg, 360.*deg);
288 jacket_log = new G4LogicalVolume(jacket_tube, jacket_mat, "jacket_log");
289 jacket_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,PosZ),
290 "jacket_phys", jacket_log, lab_phys, false,0);
291
292 G4VisAttributes* jacket_vat = new G4VisAttributes(grey);
293 // jacket_log->SetVisAttributes(G4VisAttributes::Invisible);
294 jacket_log->SetVisAttributes(jacket_vat);
295
296
297 // outer vacuum jacket flanges: stainless steel *************************
298
299 G4double jacketflangeRadius = 127.5*mm;
300 // G4double jacketflangeHeight = 53.0*mm; // defined above to get full-height
301 G4double topjacketflangePosZ = 0.5*(jacketHeight+jacketflangeHeight);
302
303 G4Tubs* jacketflange_tube = new G4Tubs("jacketflange_tube",
304 0.*cm, jacketflangeRadius, 0.5*jacketflangeHeight, 0.*deg, 360.*deg);
305 jacketflange_log = new G4LogicalVolume
306 (jacketflange_tube, jacketflange_mat, "jacketflange_log");
307 topjacketflange_phys = new G4PVPlacement
308 (0, G4ThreeVector(0.,0.,topjacketflangePosZ + PosZ),
309 "topjacketflange_phys", jacketflange_log, lab_phys, false,0);
310 bottomjacketflange_phys = new G4PVPlacement
311 (0, G4ThreeVector(0.,0.,-topjacketflangePosZ + PosZ),
312 "bottomjacketflange_phys", jacketflange_log, lab_phys, false,0);
313
314 // jacketflange_log->SetVisAttributes(G4VisAttributes::Invisible);
315 jacketflange_log->SetVisAttributes(jacket_vat);
316
317 // vacuum **************************************************************
318
319 G4double vacuumRadius = jacketRadius - jacketMetalThick;
320 G4double vacuumHeight = jacketHeight - jacketMetalThick;
321
322 G4Tubs* vacuum_tube = new G4Tubs("vacuum_tube",
323 0.*cm, vacuumRadius, 0.5*vacuumHeight, 0.*deg, 360.*deg);
324 vacuum_log = new G4LogicalVolume(vacuum_tube, vacuum_mat, "vacuum_log");
325 vacuum_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,0.),
326 "vacuum_phys", vacuum_log, jacket_phys, false,0);
327
328 // G4VisAttributes* vacuum_vat= new G4VisAttributes(lgrey);
329 vacuum_log->SetVisAttributes(G4VisAttributes::Invisible);
330
331
332 // copper cooling jacket volume: **************************************
333
334 G4double copperMetalThick = 3.0*mm;
335 G4double copperRadius = 103.5*mm + copperMetalThick;
336 G4double copperHeight = 420.0*mm;
337 G4double copperInner = copperRadius - copperMetalThick;
338 G4double vesselHeight = 320.0*mm;
339 G4double copperVPos = 0.5*(vesselHeight-copperHeight) + 13.0*cm;
340 G4double coppertopThick = 1.0*cm;
341 G4double coppertopVPos = copperVPos + 0.5*(coppertopThick+copperHeight);
342
343 G4Tubs* copper_tube = new G4Tubs("copper_tube",
344 copperInner, copperRadius, 0.5*copperHeight, 0.*deg, 360.*deg);
345 copper_log = new G4LogicalVolume(copper_tube, copper_mat, "copper_log");
346 copper_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,copperVPos),
347 "copper_phys", copper_log, vacuum_phys, false,0);
348
349 G4Tubs* coppertop_tube = new G4Tubs("coppertop_tube",
350 0.*cm, copperRadius, 0.5*coppertopThick, 0.*deg, 360.*deg);
351 coppertop_log = new G4LogicalVolume
352 (coppertop_tube, copper_mat, "coppertop_log");
353 coppertop_phys = new G4PVPlacement(0,G4ThreeVector(0.,0.,coppertopVPos),
354 "coppertop_phys", coppertop_log, vacuum_phys, false,0);
355
356 G4VisAttributes* copper_vat = new G4VisAttributes(orange);
357 // copper_log->SetVisAttributes(G4VisAttributes::Invisible);
358 copper_log->SetVisAttributes(copper_vat);
359 coppertop_log->SetVisAttributes(copper_vat);
360
361 // inner vessel jacket volume: stainless steel ************************
362
363 // G4double vesselHeight = 320.0*mm; // - moved earlier
364 G4double vesselMetalThick = jacketMetalThick;
365 G4double vesselRadius = 75.0*mm + vesselMetalThick;
366 G4double vesselflangeRadius = 101.5*mm;
367 G4double vesselflangeThick = 40.0*mm;
368 G4double PMTvesselRadius = 31.0*mm + vesselMetalThick;
369 G4double PMTvesselHeight = 152.0*mm;
370 G4double pmtvesselflangeRadius = 52.0*mm;
371 G4double pmtvesselflangeThick = 32.0*mm;
372 G4double vesselVPos = 7.0*cm;
373 G4double TotalvesselHeight = PMTvesselHeight + vesselHeight;
374
375 G4Tubs* vessel_tube = new G4Tubs("vessel_tube",
376 0.*cm, vesselRadius, 0.5*vesselHeight, 0.*deg, 360.*deg);
377 G4Tubs* PMTvessel_tube = new G4Tubs("PMTvessel_tube",
378 0.*cm, PMTvesselRadius, 0.5*PMTvesselHeight, 0.*deg, 360.*deg);
379
380 G4UnionSolid* vessel_sol = new G4UnionSolid
381 ("vessel_sol", vessel_tube, PMTvessel_tube,
382 G4Transform3D(G4RotationMatrix(),
383 G4ThreeVector(0,0,-0.5*(vesselHeight+PMTvesselHeight))));
384
385 vessel_log = new G4LogicalVolume(vessel_sol, vessel_mat, "vessel_log");
386 vessel_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,vesselVPos),
387 "vessel_phys", vessel_log, vacuum_phys, false,0);
388
389
390 // flanges: 1=upper half (diff. inner diam.) 2=lower half
391 G4Tubs* vesseltop_flange1 = new G4Tubs("vesseltop_flange1",
392 0.*cm, vesselflangeRadius, 0.25*vesselflangeThick, 0.*deg, 360.*deg);
393 vesseltop_log1 = new G4LogicalVolume
394 (vesseltop_flange1, vessel_mat, "vesseltop_log1");
395 vesseltop_phys1 = new G4PVPlacement
396 (0,
397 G4ThreeVector(0.,0.,0.5*(vesselHeight+0.5*vesselflangeThick)+vesselVPos),
398 "vesseltop_phys1", vesseltop_log1, vacuum_phys, false,0);
399
400 G4Tubs* vesseltop_flange2 = new G4Tubs("vesseltop_flange2",vesselRadius,
401 vesselflangeRadius, 0.25*vesselflangeThick, 0.*deg, 360.*deg);
402 vesseltop_log2 = new G4LogicalVolume
403 (vesseltop_flange2, vessel_mat, "vesseltop_log2");
404 vesseltop_phys2 = new G4PVPlacement
405 (0,
406 G4ThreeVector(0.,0.,0.5*(vesselHeight-0.5*vesselflangeThick)+vesselVPos),
407 "vesseltop_phys2", vesseltop_log2, vacuum_phys, false,0);
408
409
410 G4Tubs* vesselbottom_flange1 = new G4Tubs
411 ("vesselbottom_flange1",vesselRadius, vesselflangeRadius,
412 0.25*vesselflangeThick, 0.*deg, 360.*deg);
413 vesselbottom_log1 = new G4LogicalVolume
414 (vesselbottom_flange1, vessel_mat, "vesselbottom_log1");
415 vesselbottom_phys1 = new G4PVPlacement(0,
416 G4ThreeVector(0.,0.,-0.5*(vesselHeight-0.5*vesselflangeThick)+vesselVPos),
417 "vesselbottom_phys1", vesselbottom_log1, vacuum_phys, false,0);
418
419 G4Tubs* vesselbottom_flange2 = new G4Tubs
420 ("vesselbottom_flange2",PMTvesselRadius, vesselflangeRadius,
421 0.25*vesselflangeThick, 0.*deg, 360.*deg);
422 vesselbottom_log2 = new G4LogicalVolume
423 (vesselbottom_flange2, vessel_mat, "vesselbottom_log2");
424 vesselbottom_phys2 = new G4PVPlacement(0,
425 G4ThreeVector(0.,0.,-0.5*(vesselHeight+0.5*vesselflangeThick)+vesselVPos),
426 "vesselbottom_phys2", vesselbottom_log2, vacuum_phys, false,0);
427
428
429 G4Tubs* pmtvesselbottom_flange1 = new G4Tubs
430 ("pmtvesselbottom_flange1", PMTvesselRadius, pmtvesselflangeRadius,
431 0.25*pmtvesselflangeThick, 0.*deg, 360.*deg);
432 pmtvesselbottom_log1 = new G4LogicalVolume
433 (pmtvesselbottom_flange1, vessel_mat, "pmtvesselbottom_log1");
434 pmtvesselbottom_phys1 = new G4PVPlacement(0, G4ThreeVector(0.,0.,
435 (-0.5*vesselHeight-PMTvesselHeight+vesselVPos+0.25*pmtvesselflangeThick)),
436 "pmtvesselbottom_phys1", pmtvesselbottom_log1, vacuum_phys, false,0);
437
438 G4Tubs* pmtvesselbottom_flange2 = new G4Tubs
439 ("pmtvesselbottom_flange2", 0.*cm, pmtvesselflangeRadius,
440 0.25*pmtvesselflangeThick, 0.*deg, 360.*deg);
441 pmtvesselbottom_log2 = new G4LogicalVolume
442 (pmtvesselbottom_flange2, vessel_mat, "pmtvesselbottom_log2");
443 pmtvesselbottom_phys2 = new G4PVPlacement(0, G4ThreeVector(0.,0.,
444 -0.5*vesselHeight-PMTvesselHeight+vesselVPos-0.25*pmtvesselflangeThick),
445 "pmtvesselbottom_phys2", pmtvesselbottom_log2, vacuum_phys, false,0);
446
447
448 G4VisAttributes* vessel_vat = new G4VisAttributes(grey);
449 G4VisAttributes* pmtvessel_vat = new G4VisAttributes(yellow);
450 G4VisAttributes* pmtvessel_vat2 = new G4VisAttributes(green);
451 // vessel_log->SetVisAttributes(G4VisAttributes::Invisible);
452 // vessel_vat->SetForceSolid(true);
453 // pmtvessel_vat->SetForceSolid(true);
454 // pmtvessel_vat2->SetForceSolid(true);
455 vessel_log->SetVisAttributes(vessel_vat);
456 vesseltop_log1->SetVisAttributes(vessel_vat);
457 vesselbottom_log1->SetVisAttributes(vessel_vat);
458 vesseltop_log2->SetVisAttributes(pmtvessel_vat);
459 vesselbottom_log2->SetVisAttributes(pmtvessel_vat);
460 // pmtvesselbottom_log->SetVisAttributes(vessel_vat);
461 pmtvesselbottom_log1->SetVisAttributes(vessel_vat);
462 pmtvesselbottom_log2->SetVisAttributes(pmtvessel_vat2);
463
464
465
466 // *********************************************************************
467 // grid#1 to mirror surface: 21.75 mm
468 // LXe height = 15.75 mm, gXe height = 6.00 mm
469 // NB: Increased liquid height by 1mm - to take away problem with
470 // over-lapping volumes/ring pronounced from liquid phase..........
471 // *********************************************************************
472
473 // detector volume: gas phase ******************************************
474
475 G4double mirrorVPos = 21.3*cm;
476 G4double gasGap = 6.0*mm;
477 G4double DetectorRadius = vesselRadius - vesselMetalThick;
478 G4double GXeHeight = TotalvesselHeight - mirrorVPos + gasGap;
479 G4double GXeVPos = 0.5*vesselHeight - 0.5*GXeHeight;
480
481 G4Tubs* GXe_tube = new G4Tubs("GXe_tube",
482 0.*cm, DetectorRadius, 0.5*GXeHeight, 0.*deg, 360.*deg);
483 GXe_log = new G4LogicalVolume(GXe_tube, GXe_mat, "GXe_log");
484 GXe_phys = new G4PVPlacement(0, G4ThreeVector(0.,0.,GXeVPos),
485 "GXe_phys", GXe_log, vessel_phys, false,0);
486
487 G4VisAttributes* GXe_vat = new G4VisAttributes(cyan);
488 // GXe_vat->SetForceSolid(true);
489 GXe_vat->SetVisibility(true);
490 GXe_log->SetVisAttributes(GXe_vat);
491
492
493 // liquid phase *******************************************************
494
495 G4double LXeHeight = mirrorVPos - gasGap;
496 G4double PMTDetectorRadius = PMTvesselRadius - vesselMetalThick;
497 G4double PMTDetectorHeight = PMTvesselHeight;
498 G4double LXeTubeHeight = LXeHeight - PMTDetectorHeight;
499 G4double LXe_solVPos = -0.5*(LXeTubeHeight+PMTDetectorHeight);
500 G4double LXeVPos = -0.5*TotalvesselHeight + 0.5*LXeHeight;
501
502 G4Tubs* LXe_tube = new G4Tubs("GXe_tube",
503 0.*cm, DetectorRadius, 0.5*LXeTubeHeight, 0.*deg, 360.*deg);
504 G4Tubs* PMTdetector_tube = new G4Tubs("PMTdetector_tube",
505 0.*cm, PMTDetectorRadius, 0.5*PMTDetectorHeight, 0.*deg, 360.*deg);
506
507 G4UnionSolid* LXe_sol = new G4UnionSolid
508 ("LXe_sol", LXe_tube, PMTdetector_tube,
509 G4Transform3D(G4RotationMatrix(), G4ThreeVector(0,0,LXe_solVPos)));
510
511 LXe_log = new G4LogicalVolume(LXe_sol, LXe_mat, "LXe_log");
512 LXe_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, LXeVPos),
513 "LXe_phys", LXe_log, vessel_phys, false, 0);
514
515 // attributes
516 G4VisAttributes* LXe_vat = new G4VisAttributes(lblue);
517 // LXe_vat->SetForceSolid(true);
518 LXe_vat->SetVisibility(true);
519 LXe_log->SetVisAttributes(LXe_vat);
520
521
522 // Gas phase vessel lagging - for optical properties:
523
524 G4double laggingThickness = 10.*micrometer;
525 G4double laggingRadius = DetectorRadius - laggingThickness;
526
527 G4Tubs* gaslag_tube = new G4Tubs("gaslag_tube", laggingRadius,
528 DetectorRadius, 0.5*GXeHeight, 0.*deg, 360.*deg);
529 gaslag_log = new G4LogicalVolume(gaslag_tube, vessel_mat, "gaslag_log");
530 gaslag_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, 0.*cm),
531 "gaslag_phys", gaslag_log, GXe_phys, false, 0);
532
533 // attributes
534 G4VisAttributes* gaslag_vat = new G4VisAttributes(lgreen);
535 // gaslag_vat->SetForceSolid(true);
536 gaslag_vat->SetVisibility(true);
537 gaslag_log->SetVisAttributes(gaslag_vat);
538
539
540 // liquid phase vessel lagging - for optical properties:
541
542 G4double lagTubeRadius = DetectorRadius - laggingThickness;
543 G4double lagTubeHeight = LXeHeight - PMTDetectorHeight;
544 G4double lagPMTRadius = PMTDetectorRadius - laggingThickness;
545 G4double lagPMTHeight = PMTDetectorHeight;
546
547 G4Tubs* liqLag_tube = new G4Tubs("liqlag_tube", lagTubeRadius,
548 DetectorRadius, 0.5*lagTubeHeight, 0.*deg, 360.*deg);
549 G4Tubs* lagPMT_tube = new G4Tubs("lagPMT_tube", lagPMTRadius,
550 PMTDetectorRadius, 0.5*lagPMTHeight, 0.*deg, 360.*deg);
551
552 G4UnionSolid* liqLag_sol = new G4UnionSolid
553 ("liqLag_sol", liqLag_tube, lagPMT_tube,
554 G4Transform3D(G4RotationMatrix(),G4ThreeVector(0,0,LXe_solVPos)));
555
556 liqLag_log = new G4LogicalVolume(liqLag_sol, vessel_mat, "liqLag_log");
557 liqLag_phys = new G4PVPlacement(0, G4ThreeVector(0.*cm, 0.*cm, 0.*cm),
558 "liqLag_phys", liqLag_log, LXe_phys, false, 0);
559
560 // attributes
561 G4VisAttributes* liqLag_vat = new G4VisAttributes(magenta);
562 // liqLag_vat->SetForceSolid(true);
563 liqLag_vat->SetVisibility(true);
564 liqLag_log->SetVisAttributes(liqLag_vat);
565
566
567 // Vessel Wall Optical Surface definition:
568 G4OpticalSurface* OpVesselSurface = new G4OpticalSurface
569 ("VesselSurface", unified, polished, dielectric_metal);
570
571 // created optical lagging onto vessel - to avoid clash between over-lapping
572 // liquid and gas phase - so removed below:
573 /*
574 G4LogicalBorderSurface* VesselSurface;
575 VesselSurface = new G4LogicalBorderSurface
576 ("Vessel", liqPhase_phys, vessel_phys, OpVesselSurface);
577 */
578
579 const G4int NUM = 2;
580 G4double vessel_PP[NUM] = { 6.5*eV, 7.50*eV };
581 G4double vessel_REFL[NUM] = { 0.2, 0.2 };
582 G4MaterialPropertiesTable* vessel_mt = new G4MaterialPropertiesTable();
583 vessel_mt->AddProperty("REFLECTIVITY", vessel_PP, vessel_REFL, NUM);
584 OpVesselSurface->SetMaterialPropertiesTable(vessel_mt);
585
586 G4LogicalBorderSurface* VesselTopSurface;
587 VesselTopSurface = new G4LogicalBorderSurface
588 ("VesselTop", GXe_phys, vesseltop_phys1, OpVesselSurface);
589
590 G4LogicalBorderSurface* VesselBottomSurface;
591 VesselBottomSurface = new G4LogicalBorderSurface
592 ("VesselBottom", LXe_phys, vesselbottom_phys2, OpVesselSurface);
593
594 G4LogicalBorderSurface* GasVesselSurface;
595 GasVesselSurface = new G4LogicalBorderSurface
596 ("GasVessel", GXe_phys, gaslag_phys, OpVesselSurface);
597
598 G4LogicalBorderSurface* LiquidVesselSurface;
599 LiquidVesselSurface = new G4LogicalBorderSurface
600 ("LiquidVessel", LXe_phys, liqLag_phys, OpVesselSurface);
601
602
603
604 // Cu Shield **********************************************************
605
606 G4double CuShieldHeight = 17.7*cm;
607 G4double CuShieldThickness = 2.4*mm;
608 G4double CuShieldOuterRadius = 3.0*cm;
609 G4double CuShieldInnerRadius = CuShieldOuterRadius-CuShieldThickness;
610 G4double CuShieldVPosition = -0.5*LXeTubeHeight - PMTDetectorHeight
611 + 0.5*CuShieldHeight;
612
613 // Zero co-ordinate of the union is the zero of the first volume,
614 // i.e. the offset is still present
615
616 G4Tubs* CuShield_tube = new G4Tubs("CuShield_tube", CuShieldInnerRadius,
617 CuShieldOuterRadius, 0.5*CuShieldHeight, 0.*deg, 360.*deg);
618 CuShield_log = new G4LogicalVolume(CuShield_tube, CuShield_mat,
619 "CuShield_log");
620 CuShield_phys = new G4PVPlacement(0,
621 G4ThreeVector(0.*cm, 0.*cm, CuShieldVPosition),
622 "CuShield_phys", CuShield_log, LXe_phys, false, 0);
623
624 // G4VisAttributes* CuShield_vat= new G4VisAttributes(magenta);
625 G4VisAttributes* CuShield_vat = new G4VisAttributes(brown);
626 // CuShield_vat->SetForceSolid(true);
627 CuShield_vat->SetVisibility(true);
628 CuShield_log->SetVisAttributes(CuShield_vat);
629
630 // Cu shield surface
631 G4double sigalpha;
632 G4OpticalSurface* OpCuShieldSurface = new G4OpticalSurface
633 ("ShieldSurface", unified, ground, dielectric_metal, sigalpha=30.0*deg);
634 G4LogicalBorderSurface* ShieldSurface;
635 ShieldSurface = new G4LogicalBorderSurface
636 ("Shield", LXe_phys, CuShield_phys, OpCuShieldSurface);
637
638 G4double CuShield_PP[NUM] = { 7.0*eV, 7.50*eV };
639 G4double CuShield_REFL[NUM] = { 0.3, 0.2 };
640 G4MaterialPropertiesTable *CuShield_mt = new G4MaterialPropertiesTable();
641 CuShield_mt->AddProperty("REFLECTIVITY", CuShield_PP, CuShield_REFL, NUM);
642 OpCuShieldSurface->SetMaterialPropertiesTable(CuShield_mt);
643
644
645 // rings ***************************************************************
646
647 G4double ringHeight = 4.*mm;
648 G4double ringOuterRadius = 4.0*cm;
649 G4double ringInnerRadius = CuShieldOuterRadius;
650 G4double ringVOffset = 0.5*ringHeight;
651 G4double ringVPosition = -0.5*GXeHeight + gasGap +ringVOffset;
652
653 G4Tubs* ring_tube=new G4Tubs("ring_tube", ringInnerRadius,
654 ringOuterRadius, 0.5*ringHeight, 0.*deg, 360.*deg);
655 ring_log = new G4LogicalVolume(ring_tube, ring_mat, "ring_log");
656
657 // optical surface: ring materials table
658 G4double ring_PP[NUM] = { 6.00*eV, 7.50*eV };
659 G4double ring_REFL[NUM] = { 0.7, 0.65 };
660 G4MaterialPropertiesTable *ring_mt = new G4MaterialPropertiesTable();
661 ring_mt->AddProperty("REFLECTIVITY", ring_PP, ring_REFL, NUM);
662
663 G4OpticalSurface* OpRingSurface = new G4OpticalSurface
664 ("RingSurface", unified, ground, dielectric_metal, sigalpha=10.*deg);
665 // last argument is surface roughness if it's non-polished - i.e. ground
666 OpRingSurface->SetMaterialPropertiesTable(ring_mt);
667
668 // rings inside gas phase
669 ring_phys_gas[0] = new G4PVPlacement(0, G4ThreeVector
670 (0.*cm, 0.*cm, ringVPosition),"ring_phys0",ring_log,GXe_phys,false, 0);
671 G4LogicalBorderSurface* RingSurface_gas0;
672 RingSurface_gas0 = new G4LogicalBorderSurface
673 ("Ring", GXe_phys, ring_phys_gas[0], OpRingSurface);
674
675 ring_phys_gas[1] = new G4PVPlacement(0,
676 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.0*mm),
677 "ring_phys1",ring_log, GXe_phys, false, 0);
678 G4LogicalBorderSurface* RingSurface_gas1;
679 RingSurface_gas1 = new G4LogicalBorderSurface
680 ("Ring", GXe_phys, ring_phys_gas[1], OpRingSurface);
681
682
683 // rings inside liquid phase:
684 ringVPosition = 0.5*LXeTubeHeight;
685
686 ring_phys_liq[0] = new G4PVPlacement(0,
687 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=0.5*ringHeight),
688 "ring_phys2",ring_log,LXe_phys, false, 0);
689 G4LogicalBorderSurface* RingSurface_liq0;
690 RingSurface_liq0 = new G4LogicalBorderSurface
691 ("Ring", LXe_phys, ring_phys_liq[0], OpRingSurface);
692
693 ring_phys_liq[1] = new G4PVPlacement(0,
694 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm),
695 "ring_phys3",ring_log, LXe_phys, false, 0);
696 G4LogicalBorderSurface* RingSurface_liq1;
697 RingSurface_liq1 = new G4LogicalBorderSurface
698 ("Ring", LXe_phys, ring_phys_liq[1], OpRingSurface);
699
700 ring_phys_liq[2]=new G4PVPlacement(0,
701 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight),
702 "ring_phys4",ring_log, LXe_phys, false, 0);
703 G4LogicalBorderSurface* RingSurface_liq2;
704 RingSurface_liq2 = new G4LogicalBorderSurface
705 ("Ring", LXe_phys, ring_phys_liq[2], OpRingSurface);
706
707 ring_phys_liq[3]=new G4PVPlacement(0,
708 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight),
709 "ring_phys5",ring_log, LXe_phys, false, 0);
710 G4LogicalBorderSurface* RingSurface_liq3;
711 RingSurface_liq3 = new G4LogicalBorderSurface
712 ("Ring", LXe_phys, ring_phys_liq[3], OpRingSurface);
713
714 ring_phys_liq[4]=new G4PVPlacement(0,
715 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm),
716 "ring_phys6",ring_log, LXe_phys,false, 0);
717 G4LogicalBorderSurface* RingSurface_liq4;
718 RingSurface_liq4 = new G4LogicalBorderSurface
719 ("Ring", LXe_phys, ring_phys_liq[4], OpRingSurface);
720
721 ring_phys_liq[5]=new G4PVPlacement(0,
722 G4ThreeVector(0.*cm, 0.*cm, ringVPosition-=ringHeight+1.75*mm),
723 "ring_phys7",ring_log, LXe_phys,false, 0);
724 G4LogicalBorderSurface* RingSurface_liq5;
725 RingSurface_liq5 = new G4LogicalBorderSurface
726 ("Ring", LXe_phys, ring_phys_liq[5], OpRingSurface);
727
728
729 G4VisAttributes* ring_vat= new G4VisAttributes(lgrey);
730 ring_vat->SetVisibility(true);
731 ring_log->SetVisAttributes(ring_vat);
732
733
734 // Mirror *************************************************************
735
736 G4double mirrorHeight = 2.0*mm;
737 G4double mirrorRadius = ringInnerRadius;
738 G4double mirrorVOffset = 0.5*ringHeight;
739 G4double mirrorVPosition = -0.5*GXeHeight + gasGap +mirrorVOffset;
740
741 G4Tubs* mirror_tube = new G4Tubs("mirror_tube", 0.*cm, mirrorRadius,
742 0.5*mirrorHeight, 0.*deg, 360.*deg);
743 mirror_log = new G4LogicalVolume(mirror_tube, mirror_mat, "mirror_log");
744 mirror_phys = new G4PVPlacement(0,
745 G4ThreeVector(0.*cm, 0.*cm, mirrorVPosition),
746 "mirror_phys", mirror_log, GXe_phys, false, 0);
747
748 G4VisAttributes* mirror_vat = new G4VisAttributes(cyan);
749 mirror_vat->SetVisibility(true);
750 // mirror_vat->SetForceSolid(true);
751 mirror_log->SetVisAttributes(mirror_vat);
752
753
754 // mirror surface
755 G4OpticalSurface * OpMirrorSurface = new G4OpticalSurface
756 ("MirrorSurface", unified, ground, dielectric_metal, sigalpha=5.0*deg);
757 G4LogicalBorderSurface* MirrorSurface;
758 MirrorSurface = new G4LogicalBorderSurface
759 ("Mirror", GXe_phys, mirror_phys, OpMirrorSurface);
760
761 G4double mirror_PP[NUM] = { 6.00*eV, 7.50*eV };
762 G4double mirror_REFL[NUM] = { 0.83, 0.78 };
763 G4MaterialPropertiesTable *mirror_mt = new G4MaterialPropertiesTable();
764 mirror_mt->AddProperty("REFLECTIVITY", mirror_PP, mirror_REFL, NUM);
765 OpMirrorSurface->SetMaterialPropertiesTable(mirror_mt);
766
767
768 // Grids *************************************************************
769
770 G4double gridHeight = 0.100*mm;
771 G4double gridRadius = ringInnerRadius;
772 G4double grid1VOffset = 3.5*ringHeight+1.75*mm;
773 G4double grid1VPosition = 0.5*LXeTubeHeight - grid1VOffset;
774 G4double grid2VOffset = 4.5*ringHeight+3.50*mm;
775 G4double grid2VPosition = 0.5*LXeTubeHeight - grid2VOffset;
776
777 G4Tubs* grid_tube = new G4Tubs("grid_tube", 0.*cm, gridRadius,
778 0.5*gridHeight, 0.*deg, 360.*deg);
779
780 grid1_log = new G4LogicalVolume(grid_tube, grid_mat, "grid1_log");
781 grid1_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, grid1VPosition),
782 "grid1_phys", grid1_log, LXe_phys, false, 0);
783 grid2_log = new G4LogicalVolume(grid_tube, grid_mat, "grid2_log");
784 grid2_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, grid2VPosition),
785 "grid2_phys", grid2_log, LXe_phys, false, 0);
786
787 G4VisAttributes* grid_vat = new G4VisAttributes(red);
788 grid_vat->SetVisibility(true);
789 grid1_log->SetVisAttributes(grid_vat);
790 grid2_log->SetVisAttributes(grid_vat);
791
792
793 // alpha source holder ************************************************
794
795 G4double alphaHeight = 0.7*mm; // total lead thickness = 1.23 mm
796 G4double recessHeight = 0.3*mm; // totals lead thickness = 1.23 mm
797 G4double alphaRadius = 1.2*mm; // was 0.8
798 G4double recessRadius = 0.35*mm; // was 0.5 was 0.2
799 G4double recessVPosition = 0.5*(alphaHeight - recessHeight);
800
801 G4double alphaVOffset = grid1VOffset-0.5*alphaHeight - gridHeight;
802 G4double americiumHeight = 3000.*nanometer; // assumes ~1% Am
803 G4double extra_offset = (recessHeight +0.3*mm + 0.5*americiumHeight);
804 G4double alphaVPosition = 0.5*LXeTubeHeight - alphaVOffset + extra_offset;
805
806 G4Tubs* alpha_tube = new G4Tubs("alpha_tube", 0.*cm, alphaRadius,
807 0.5*alphaHeight, 0.*deg, 360.*deg);
808 G4Tubs* recess_tube = new G4Tubs("recess_tube", 0.*cm, recessRadius,
809 0.5*recessHeight, 0.*deg, 360.*deg);
810
811 G4SubtractionSolid* alpha_sol = new G4SubtractionSolid
812 ("alpha_sol", alpha_tube, recess_tube, G4Transform3D
813 (G4RotationMatrix(), G4ThreeVector(0. ,0. , recessVPosition)));
814 alpha_log = new G4LogicalVolume(alpha_sol, alpha_mat, "alpha_log");
815
816 alpha_phys = new G4PVPlacement(0, G4ThreeVector(0., 0., alphaVPosition),
817 "alpha_phys", alpha_log, LXe_phys, false, 0);
818
819 G4VisAttributes* alpha_vat = new G4VisAttributes(white);
820 alpha_vat->SetVisibility(true);
821 alpha_log ->SetVisAttributes(alpha_vat);
822
823 // alpha source HOLDER surface
824 G4OpticalSurface* OpAlphaSurface = new G4OpticalSurface("AlphaSurface",
825 unified, ground, dielectric_metal, sigalpha=20.0*deg);
826 G4LogicalBorderSurface* AlphaSurface;
827 AlphaSurface = new G4LogicalBorderSurface
828 ("Alpha", LXe_phys, alpha_phys, OpAlphaSurface);
829
830 G4double alpha_PP[NUM] = { 6.00*eV, 7.50*eV };
831 G4double alpha_REFL[NUM] = { 0.05, 0.05 };
832 G4MaterialPropertiesTable *alpha_mt = new G4MaterialPropertiesTable();
833 alpha_mt->AddProperty("REFLECTIVITY", alpha_PP, alpha_REFL, NUM);
834 OpAlphaSurface->SetMaterialPropertiesTable(alpha_mt);
835
836 // americium ***********************************************************
837
838 // moved above for the "extra_offset":
839 // G4double americiumHeight = 600.*nanometer; // assumes ~1% Am
840 G4double americiumRadius = recessRadius - 50.0*micrometer;
841 G4double americiumVOffset = 0.5*(alphaHeight-americiumHeight)-recessHeight;
842 G4double americiumVPosition = americiumVOffset;
843
844 sourceZ = vesselVPos + LXeVPos + alphaVPosition + americiumVPosition + PosZ;
845 G4cout << G4endl << "Calibration source centre (X,Y,Z): 0, 0, "
846 << sourceZ/mm << " mm" << G4endl;
847
848 G4Tubs* americium_tube = new G4Tubs("americium_tube", 0.*cm,
849 americiumRadius, 0.5*americiumHeight, 0.*deg, 360.*deg);
850 americium_log = new G4LogicalVolume(americium_tube, americium_mat,
851 "americium_log");
852 americium_phys = new G4PVPlacement(0, G4ThreeVector(0., 0.,
853 americiumVPosition),"americium_phys", americium_log, alpha_phys,false,0);
854
855 // americium optical properties:
856 G4OpticalSurface* OpAmericiumSurface = new G4OpticalSurface
857 ("AmericiumSurface", unified, ground, dielectric_metal, sigalpha=5.0*deg);
858 G4LogicalBorderSurface* AmericiumSurface;
859 AmericiumSurface = new G4LogicalBorderSurface
860 ("Americium", LXe_phys, americium_phys, OpAmericiumSurface);
861
862 G4double americium_PP[NUM] = { 6.00*eV, 7.50*eV };
863 G4double americium_REFL[NUM] = { 0.7, 0.65 };
864 G4MaterialPropertiesTable *americium_mt = new G4MaterialPropertiesTable();
865 americium_mt->AddProperty("REFLECTIVITY", americium_PP, americium_REFL, NUM);
866 OpAlphaSurface->SetMaterialPropertiesTable(americium_mt);
867
868 G4VisAttributes* americium_vat= new G4VisAttributes(cyan);
869 americium_vat->SetVisibility(true);
870 americium_vat->SetForceSolid(true);
871 americium_log->SetVisAttributes(americium_vat);
872
873
874 // Photomultiplier: ETL 9829 QA ****************************************
875
876 G4double pmtHeight = 12.0*cm;
877 G4double pmtRadius = 2.6*cm;
878 G4double pmtVOffset = 1.0*cm;
879 G4double pmtVPosition = -0.5*(LXeTubeHeight+pmtHeight)+pmtVOffset;
880
881 G4Sphere* pmt_window = new G4Sphere("pmt_sphere", 0.*cm, 2.*pmtRadius,
882 0.*deg, 360.*deg, 0.*deg, 30.0*deg);
883 G4Tubs* pmt_tube = new G4Tubs("pmt_tube", 0.*cm, pmtRadius, 0.5*pmtHeight,
884 0.*deg, 360.*deg);
885
886 G4UnionSolid* pmt_sol = new G4UnionSolid("pmt_sol", pmt_tube, pmt_window,
887 G4Transform3D(G4RotationMatrix(), G4ThreeVector(0,0,0.5*pmtHeight
888 -2.*pmtRadius*std::cos(30.0*deg))));
889
890 pmt_log = new G4LogicalVolume(pmt_sol, pmt_mat, "pmt_log");
891 pmt_phys = new G4PVPlacement(0,G4ThreeVector(0.*cm, 0.*cm, pmtVPosition),
892 "pmt_phys", pmt_log, LXe_phys, false, 0);
893
894 G4OpticalSurface* pmt_opsurf = new G4OpticalSurface
895 ("pmt_opsurf",unified, polished, dielectric_dielectric);
896 G4LogicalBorderSurface* pmt_surf;
897 pmt_surf = new G4LogicalBorderSurface
898 ("pmt_surf", LXe_phys, pmt_phys, pmt_opsurf);
899
900 G4VisAttributes* pmt_vat= new G4VisAttributes(blue);
901 pmt_vat->SetForceSolid(true);
902 pmt_vat->SetVisibility(true);
903 pmt_log->SetVisAttributes(pmt_vat);
904
905
906 // photocathode *******************************************************
907
908 G4double phcathVOffset = 0.5*pmtHeight-2.*pmtRadius*std::cos(30.0*deg);
909 G4double phcathVPosition = phcathVOffset;
910
911 G4Sphere* phcath_sol = new G4Sphere("phcath_sphere",
912 2.*pmtRadius-1.6*mm, 2.*pmtRadius-1.59*mm, 0.*deg, 360.*deg, 0.*deg,
913 27.0*deg);
914
915 phcath_log = new G4LogicalVolume(phcath_sol, phcath_mat, "phcath_log");
916 phcath_phys = new G4PVPlacement(0, G4ThreeVector(0., 0., phcathVPosition),
917 "phcath_phys", phcath_log, pmt_phys, false, 0);
918
919 G4OpticalSurface* phcath_opsurf = new G4OpticalSurface("phcath_opsurf",
920 unified, polished, dielectric_dielectric);
921 G4LogicalBorderSurface* phcath_surf;
922 phcath_surf = new G4LogicalBorderSurface
923 ("phcath_surf", pmt_phys, phcath_phys, phcath_opsurf);
924
925 G4double phcath_PP[NUM] = { 6.00*eV, 7.50*eV };
926 G4double phcath_REFL[NUM] = { 0.0, 0.0};
927 G4MaterialPropertiesTable* phcath_mt = new G4MaterialPropertiesTable();
928 phcath_mt->AddProperty("REFLECTIVITY", phcath_PP, phcath_REFL, NUM);
929 phcath_opsurf->SetMaterialPropertiesTable(phcath_mt);
930
931 G4VisAttributes* phcath_vat= new G4VisAttributes(lblue);
932 phcath_vat->SetForceSolid(true);
933 phcath_vat->SetVisibility(true);
934 phcath_log->SetVisAttributes(phcath_vat);
935
936
937 // ......................................................................
938 // attach user limits ...................................................
939
940
941 G4cout << G4endl << "User Limits: " << G4endl
942 << "\t theMaxTimeCuts: " << G4BestUnit(theMaxTimeCuts,"Time")
943 << G4endl
944 << "\t theRoomTimeCut: " << G4BestUnit(theRoomTimeCut,"Time")
945 << G4endl
946 << "\t theMaxStepSize: " << G4BestUnit(theMaxStepSize,"Length")
947 << G4endl
948 << "\t theMinEKine: " << G4BestUnit(theMinEkine,"Energy")
949 << G4endl
950 << "\t minRoomMinEKine: " << G4BestUnit(theRoomMinEkine,"Energy")
951 << G4endl << G4endl;
952
953 if (theUserLimitsForRoom != 0) delete theUserLimitsForRoom;
954 if (theUserLimitsForDetector != 0) delete theUserLimitsForDetector;
955
956 theUserLimitsForRoom = new G4UserLimits(theMaxStepSize, // step length max
957 DBL_MAX, // track length max
958 theRoomTimeCut, // Time cut
959 theRoomMinEkine); // min energy
960
961#include "DMXDetectorRoomLimits.icc"
962
963 theUserLimitsForDetector = new G4UserLimits(theDetectorStepSize,
964 DBL_MAX, // Track Max
965 theMaxTimeCuts,
966 theMinEkine);
967
968 world_log->SetUserLimits(theUserLimitsForRoom);
969 lab_log->SetUserLimits(theUserLimitsForRoom);
970 jacket_log->SetUserLimits(theUserLimitsForRoom);
971 vacuum_log->SetUserLimits(theUserLimitsForRoom);
972 vessel_log->SetUserLimits(theUserLimitsForRoom);
973 GXe_log->SetUserLimits(theUserLimitsForDetector);
974 // LXe_log->SetUserLimits(theUserLimitsForXenon);
975 LXe_log->SetUserLimits(theUserLimitsForDetector);
976 CuShield_log->SetUserLimits(theUserLimitsForDetector);
977 ring_log->SetUserLimits(theUserLimitsForDetector);
978 mirror_log->SetUserLimits(theUserLimitsForDetector);
979 grid1_log->SetUserLimits(theUserLimitsForDetector);
980 grid2_log->SetUserLimits(theUserLimitsForDetector);
981 alpha_log->SetUserLimits(theUserLimitsForDetector);
982 americium_log->SetUserLimits(theUserLimitsForDetector);
983 pmt_log->SetUserLimits(theUserLimitsForDetector);
984 phcath_log->SetUserLimits(theUserLimitsForDetector);
985
986
987 // ......................................................................
988 // sensitive detectors ..................................................
989
990 G4SDManager* SDman = G4SDManager::GetSDMpointer();
991
992 G4String name="/DMXDet/LXeSD";
993 LXeSD = new DMXScintSD(name, this);
994 SDman->AddNewDetector(LXeSD);
995 LXe_log->SetSensitiveDetector(LXeSD);
996
997 SDman = G4SDManager::GetSDMpointer();
998 name="/DMXDet/pmtSD";
999 pmtSD = new DMXPmtSD(name, this);
1000 SDman->AddNewDetector(pmtSD);
1001 phcath_log->SetSensitiveDetector(pmtSD);
1002
1003 return world_phys;
1004
1005}
1006
1007//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1008
1009// specific method to G4UserLimits:= SetUserMinEkine
1010void DMXDetectorConstruction::SetRoomEnergyCut(G4double val)
1011{
1012 // set minimum charged particle energy cut - NB: for ROOM
1013 theRoomMinEkine = val;
1014 if (theUserLimitsForRoom != 0)
1015 {
1016 theUserLimitsForRoom->SetUserMinEkine(val);
1017 G4cout << " Changing Room energy cut to: " << G4BestUnit(val,"Energy")
1018 << G4endl;
1019 }
1020}
1021
1022//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1023
1024// specific method to G4UserLimits:= SetUserMinEkine
1025void DMXDetectorConstruction::SetEnergyCut(G4double val)
1026{
1027 // set minimum charged particle energy cut - NB: for Xenon Detector
1028 theMinEkine = val;
1029 if (theUserLimitsForDetector != 0)
1030 {
1031 theUserLimitsForDetector->SetUserMinEkine(val);
1032 G4cout << "Changing Detector energy cut to: " << G4BestUnit(val,"Energy")
1033 << G4endl;
1034 }
1035}
1036
1037//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1038
1039// specific method to G4UserLimits:= SetUserMaxTime
1040void DMXDetectorConstruction::SetRoomTimeCut(G4double val)
1041{
1042 // set room time cut:
1043 theRoomTimeCut = val;
1044 if (theUserLimitsForRoom != 0)
1045 {
1046 theUserLimitsForRoom->SetUserMaxTime(val);
1047 G4cout << " Changing Room Time cut to: " << G4BestUnit(val,"Time")
1048 << G4endl;
1049 }
1050}
1051
1052//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1053
1054// specific method to G4UserLimits:= SetUserMaxTime
1055void DMXDetectorConstruction::SetTimeCut(G4double val)
1056{
1057 // set detector time cut:
1058 theMaxTimeCuts = val;
1059 if (theUserLimitsForDetector != 0)
1060 {
1061 theUserLimitsForDetector->SetUserMaxTime(val);
1062 G4cout << " Changing Detector Time cut to: " << G4BestUnit(val,"Time")
1063 << G4endl;
1064 }
1065}
1066
1067//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1068
1069//void DMXDetectorConstruction::UpdateGeometry()
1070//{
1071// G4RunManager::GetRunManager()->DefineWorldVolume(Construct());
1072//}
1073
1074//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1075//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1076
1077
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