loading libITS commented (ITS includes TGeant3)
[u/mrichter/AliRoot.git] / STRUCT / AliPIPEv0.cxx
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4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
14b75006 18Revision 1.13 2001/01/20 16:35:27 morsch
19Increase mother volume for bellows.
20
1416b7f3 21Revision 1.12 2000/12/21 16:41:06 morsch
22Coding convention clean-up (RS3)
23
13391c3e 24Revision 1.11 2000/11/28 16:06:57 morsch
25Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
26
2196bc42 27Revision 1.10 2000/11/24 13:00:37 morsch
28- Geometry and materials imported from euclid output
29- include comments
30- better struturing of volume tree
31- improved version of flange close to front absorber
32- more realistic pump materials
33- undulated beam pipe imported from v3.
34
7bd7faf8 35Revision 1.9 2000/10/02 21:28:15 fca
36Removal of useless dependecies via forward declarations
37
94de3818 38Revision 1.8 2000/06/11 12:37:01 morsch
39Coding rule violations corrected
40
b43eb0dc 41Revision 1.7 2000/02/23 16:25:24 fca
42AliVMC and AliGeant3 classes introduced
43ReadEuclid moved from AliRun to AliModule
44
b13db077 45Revision 1.6 1999/09/29 09:24:30 fca
46Introduction of the Copyright and cvs Log
47
4c039060 48*/
49
fe4da5cc 50////////////////////////////////////////////////
51// Beam pipe class /
52////////////////////////////////////////////////
53
fe4da5cc 54#include "AliPIPEv0.h"
55#include "AliRun.h"
7bd7faf8 56#include "AliConst.h"
57#include "AliMagF.h"
94de3818 58#include "AliMC.h"
fe4da5cc 59#include "TSystem.h"
60
61ClassImp(AliPIPEv0)
62
63//_____________________________________________________________________________
b8032157 64AliPIPEv0::AliPIPEv0()
fe4da5cc 65{
b43eb0dc 66// Constructor
fe4da5cc 67}
68
69//_____________________________________________________________________________
70AliPIPEv0::AliPIPEv0(const char *name, const char *title)
71 : AliPIPE(name,title)
72{
b43eb0dc 73// Constructor
fe4da5cc 74}
75
76
77//___________________________________________
78void AliPIPEv0::CreateGeometry()
79{
fe4da5cc 80//Begin_Html
81/*
1439f98e 82<img src="picts/pipe.gif">
fe4da5cc 83*/
84//End_Html
85
86
87//Begin_Html
88/*
1439f98e 89<img src="picts/tree_pipe.gif">
fe4da5cc 90*/
91//End_Html
92
7bd7faf8 93 printf("Create PIPEv0 geometry \n");
fe4da5cc 94
fe4da5cc 95
7bd7faf8 96 Int_t *idtmed = fIdtmed->GetArray();
97 Float_t ppcon[36], ptube[3], pbox[3];
98 Int_t i=0;
99
2196bc42 100 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
7bd7faf8 101
102 Int_t idrotm[2099];
103 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
104 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
105 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
106 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
107 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
108 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
109 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
110 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
111 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
112 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
113 idrotm[2011] = 0;
114 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
115 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
116
117
118
fe4da5cc 119//
120// The peam pipe up to the Front Absorber
fe4da5cc 121//
7bd7faf8 122// Mother Volume QBPM
123 ppcon[0] = 0;
124 ppcon[1] = 360;
125 ppcon[2] = 11;
126// 1:
127 ppcon[3] = - 90;
128 ppcon[4] = 0;
129 ppcon[5] = 5.8;
130// 2
131 ppcon[6] = - 81.0;
132 ppcon[7] = 0.;
133 ppcon[8] = 5.8;
134// 3
135 ppcon[9] = - 81.;
136 ppcon[10] = 0.;
137 ppcon[11] = 4.22;
138// 4
139 ppcon[12] = - 28.00;
140 ppcon[13] = 0;
141 ppcon[14] = 4.22;
142// 5
143 ppcon[15] = - 28.00;
144 ppcon[16] = 0;
145 ppcon[17] = 3.2;
146// 6
147 ppcon[18] = 0;
148 ppcon[19] = 0;
149 ppcon[20] = 3.2;
150// 7
151 ppcon[21] = 28.00;
152 ppcon[22] = 0;
153 ppcon[23] = 3.2;
154// 8
155 ppcon[24] = 28.00;
156 ppcon[25] = 0;
157 ppcon[26] = 4.22;
158// 9
159 ppcon[27] = 250;
160 ppcon[28] = 0;
161 ppcon[29] = 4.22;
162// 10
163 ppcon[30] = 250;
164 ppcon[31] = 0;
165 ppcon[32] = 5;
166// 11
167 ppcon[33] = 800;
168 ppcon[34] = 0;
169 ppcon[35] = 5;
170
171 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
172
173//
174// The Vacuum
175 ptube[0] = 0.0;
176 ptube[1] = 2.9;
177 ptube[2] = 445.0;
178
179 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
180 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
181//
182// Be Pipe in central Alice
183 ptube[0] = 2.90;
184 ptube[1] = 3.00;
185 ptube[2] = 28.25;
186
187 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
188 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
189
190//
191// Metal-Metal Transitions
192//
193// Be-Inox
194// Mother Volume
195 ptube[0] = 2.900;
196 ptube[1] = 4.200;
197 ptube[2] = 2.750;
198 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
199 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+ptube[2], 0, "ONLY");
200
201 ptube[0] = 2.900;
202 ptube[1] = 3.150;
203 ptube[2] = 0.375;
204 //
205 // Be-part
206 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
207
208 ptube[1] = 3.000;
209 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
210
211 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
212 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
213
214 // Inox-part
215 //
216 ptube[0] = 2.900;
217 ptube[1] = 3.150;
218 ptube[2] = 2.375;
219
220 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
221 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
222
223
224 ptube[0] = 3.15;
225 ptube[1] = 3.50;
226 ptube[2] = 0.10;
227
228 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
229 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
230
231
232 // Fixations
233 ptube[0] = 0.0;
234 ptube[1] = 0.1;
235 ptube[2] = 0.5;
236
237 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
238 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
239 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
240 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
241
242 // Carbon ring
243 ptube[0] = 3.15;
244 ptube[1] = 4.10;
245 ptube[2] = 0.55;
246
247 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
248
249 ptube[0] = 3.15;
250 ptube[1] = 3.50;
251 ptube[2] = 0.10;
252 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
253 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
254 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
255
256//
257// Be-Alu
258// Mother Volume
259 ptube[0] = 2.900;
260 ptube[1] = 4.200;
261 ptube[2] = 2.750;
262 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
263 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
264
265 ptube[0] = 2.900;
266 ptube[1] = 3.150;
267 ptube[2] = 0.375;
268 //
269 // Be-part
270 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
271
272 ptube[1] = 3.000;
273 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
274
275 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
276 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
277
278 // Alu part
279 ptube[0] = 2.900;
280 ptube[1] = 3.150;
281 ptube[2] = 2.375;
282
283 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
284 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
285
286
287 ptube[0] = 3.15;
288 ptube[1] = 3.50;
289 ptube[2] = 0.10;
290
291 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
292 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
293
294
295 // Fixation
296 ptube[0] = 0.0;
297 ptube[1] = 0.1;
298 ptube[2] = 0.5;
299
300 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
301 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
302 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
303 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
304
305 // Carbon ring
306 ptube[0] = 3.15;
307 ptube[1] = 4.10;
308 ptube[2] = 0.55;
309
310 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
311
312 ptube[0] = 3.15;
313 ptube[1] = 3.50;
314 ptube[2] = 0.10;
315 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
316 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
317 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
318
319
320
321//
322// 1st section Alu non-absorber side
323 ptube[0] = 2.9;
324 ptube[1] = 3.0;
325 ptube[2] = 85.175;
326
327 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
328 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 0, "ONLY");
329//
330// Support rollers: non absorber side
331//
332// Mother volume
333 ptube[0] = 3.2;
334 ptube[1] = 4.8;
335 ptube[2] = 3.0;
336 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
337 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
338 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
339
340 ptube[0] = 0.0;
341 ptube[1] = 0.7;
342 ptube[2] = 3.0;
343
344 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
345
346 for (i=0; i<8; i++) {
347 Float_t phi = 45.+i*45.*kDegrad;
348 Float_t xpos = 4.*TMath::Sin(phi);
349 Float_t ypos = 4.*TMath::Cos(phi);
350 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
351 }
352
353//
354// Flanges: non absorber side
355 ptube[0] = 3.0;
356 ptube[1] = 4.9;
357 ptube[2] = 2.2;
358
359 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
360 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
361 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
362//
363// Inox beam pipe: non absorber side
364
365 ptube[0] = 2.90;
366 ptube[1] = 2.98;
367// ptube[2] = 275.05; // without undulated beampipe
368 ptube[2] = 42.55;
369
370 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
371// gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
372 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
373
374//
375// Undulated beam pipe
376//
2196bc42 377/*
7bd7faf8 378 Float_t pitch=0.25;
379 Float_t thick=0.015;
380 Float_t zundul=171;
381 Float_t rundul=3.0;
382 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
383
384 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
385 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
2196bc42 386*/
387
388// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
389//
390 ptube[0] = 2.90;
391 ptube[1] = 3.05;
392 ptube[2] = 171.0;
393
394 gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
395 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
396
7bd7faf8 397
398//
399// missing pieces of inox pipe
400//
401 ptube[0] = 2.90;
402 ptube[1] = 2.98;
403 ptube[2] = 61.55;
404
405 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
406 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
407
408 ptube[0] = 2.90;
409 ptube[1] = 2.98;
410 ptube[2] = 1.0;
411
412 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
413 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
414//
415 ptube[0] = 2.90;
416 ptube[1] = 3.15;
417 ptube[2] = 1.5;
418
419 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
420 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 0, "ONLY");
421
422//
423 ptube[0] = 3.0;
424 ptube[1] = 3.15;
425 ptube[2] = 2.75;
426
427 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
428 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
429
430//
431// Bellows
fe4da5cc 432//
7bd7faf8 433// Mother Volume
434 ptube[0] = 2.90;
435 ptube[1] = 3.75;
1416b7f3 436 ptube[2] = 20.40;
7bd7faf8 437 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
438 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
439 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
440
441 ptube[2] = 5.70;
442
443 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
444 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
445 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,idrotm[2012], "ONLY");
446
447 ptube[0] = 2.90;
448 ptube[1] = 3.25;
449 ptube[2] = 3.70;
450
451 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
452 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
453
454 ptube[0] = 3.25;
455 ptube[1] = 3.74;
456 ptube[2] = 0.095;
457
458 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
459 for (i=0; i<15; i++) {
460 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
461 }
462
463 ptube[0] = 2.90;
464 ptube[1] = 3.00;
465 ptube[2] = 1.20;
466
467 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
468 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
469
470 ptube[0] = 3.250;
471 ptube[1] = 3.750;
472 ptube[2] = 0.005;
473
474 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
475 for (i=0; i<30; i++) {
476 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
477 }
478
479 ptube[0] = 3.740;
480 ptube[1] = 3.750;
481 ptube[2] = 0.095;
482
483 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
484 for (i=0; i<15; i++) {
485 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
486 }
487
488 ptube[0] = 3.250;
489 ptube[1] = 3.260;
490 ptube[2] = 0.095;
491
492 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
493 for (i=0; i<14; i++) {
494 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
495 }
496
497 ptube[0] = 3.250;
498 ptube[1] = 3.260;
499 ptube[2] = 0.3975;
500
501 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
502 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
503 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
504
505 ptube[0] = 2.900;
506 ptube[1] = 3.260;
507 ptube[2] = 0.050;
508
509 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
510 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
511 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
512
513 ptube[0] = 2.900;
514 ptube[1] = 3.000;
515 ptube[2] = 0.700;
516
517 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
518 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
519
520
521//
522// pipe between Bellows
523 ptube[0] = 2.9;
524 ptube[1] = 3.0;
525 ptube[2] = 9.0;
526 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
527 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
528
529//
530// End Bellow
531
532// Absorber side
533//
534// beam pipe between metal-metal transition and bellows
535 ptube[0] = 2.9;
536 ptube[1] = 3.0;
537 ptube[2] = 3.575;
538
539 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
540 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 0, "ONLY");
541//
542// beam pipe between flange and bellows
543 ptube[0] = 2.90;
544 ptube[1] = 3.00;
545 ptube[2] = 0.45;
546
547 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
548 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
549
550//
551// Flange
552//
553// Mother Volume
554 ptube[0] = 2.900;
555 ptube[1] = 4.300;
556 ptube[2] = 1.400;
557
558 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
559 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
560//
561// inner Inox piece
562 ptube[0] = 2.900;
563 ptube[1] = 3.500;
564 ptube[2] = 0.450;
565 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
566 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
567//
568// 8 x M5 Inox
569 ptube[0] = 0.000;
570 ptube[1] = 0.250;
571 ptube[2] = 1.400;
572 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
573 for (i=0; i<8; i++) {
574 Float_t phi = i*45.*kDegrad;
575 Float_t xpos = 3.9*TMath::Sin(phi);
576 Float_t ypos = 3.9*TMath::Cos(phi);
577 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
578 }
579
580
581 ptube[0] = 2.900;
582 ptube[1] = 3.000;
583 ptube[2] = 2.300;
584
585 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
586 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
587
588//
589// The Ion Pump
fe4da5cc 590// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
591// and make it invisible
592//
7bd7faf8 593
fe4da5cc 594
7bd7faf8 595 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
596
597//
598// Ion Pump
599//
600 ptube[0] = 5.;
601 ptube[1] = 55.;
602 ptube[2] = 20.;
603 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
604 //
605 // Getters ->
606 pbox[0] = 6.50;
607 pbox[1] = 6.75;
608 pbox[2] = 15.60;
609 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
610
611 pbox[0] = 5.90;
612 pbox[1] = 6.15;
613 pbox[2] = 15.00;
614 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
615 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
616// <-
617
618 ptube[0] = 0.0;
619 ptube[1] = 19.0;
620 ptube[2] = 2.5;
621 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
622
623
624 ptube[0] = 0.0;
625 ptube[1] = 15.0;
626 ptube[2] = 2.5;
14b75006 627 gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 628 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
629//
630// Connecting tube ->
631 ptube[0] = 0.0;
632 ptube[1] = 5.4;
633 ptube[2] = 13.7;
634 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
635
636 ptube[0] = 0.0;
637 ptube[1] = 4.8;
638 ptube[2] = 13.7;
14b75006 639 gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 640 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
641// <-
642
643 //
644 // Flange ->
645 ptube[0] = 0.00;
646 ptube[1] = 7.30;
647 ptube[2] = 2.15;
648 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
649
14b75006 650 ptube[0] = 0.00;
651 ptube[1] = 4.80;
7bd7faf8 652 ptube[2] = 2.15;
653 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
654 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
655// <-
656
657 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
658 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
659 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
660 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
fe4da5cc 661//
662// PLACE ION PUMP (QIPM) AT Z=-385.
663//
7bd7faf8 664 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
665
fe4da5cc 666
7bd7faf8 667 gMC->Gsatt("QIPM", "SEEN", 0);
668 gMC->Gsatt("QBPM", "SEEN", 0);
669 gMC->Gsatt("QBEM", "SEEN", 0);
fe4da5cc 670}
671
672
673//___________________________________________
b8032157 674void AliPIPEv0::DrawModule()
fe4da5cc 675{
b43eb0dc 676// Set drawing options
677 ;
fe4da5cc 678}
679
680//___________________________________________
681void AliPIPEv0::CreateMaterials()
682{
7bd7faf8 683 //
13391c3e 684 // Define materials for beam pipe
7bd7faf8 685 //
13391c3e 686
687 printf("Create PIPEv0 materials \n");
7bd7faf8 688 Int_t isxfld = gAlice->Field()->Integ();
689 Float_t sxmgmx = gAlice->Field()->Max();
2196bc42 690 // Steel (Inox)
7bd7faf8 691 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
692 Float_t zsteel[4] = { 26.,24.,28.,14. };
693 Float_t wsteel[4] = { .715,.18,.1,.005 };
2196bc42 694 // AlBe - alloy
695 Float_t aAlBe[2] = { 26.98, 9.01};
696 Float_t zAlBe[2] = { 13.00, 4.00};
697 Float_t wAlBe[2] = { 0.4, 0.6};
698
7bd7faf8 699 //
700 // Berillium
701 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
702 //
703 // Carbon
704 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
705 //
706 // Aluminum
707 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
708 //
709 // Air
710 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
711 //
712 // Vacuum
713 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
714 //
715 // stainless Steel
716 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
717 //
718 // reduced density steel to approximate pump getter material
719 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2196bc42 720 // Al-Be alloy
721 //
722 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
7bd7faf8 723 //
724 // ****************
725 // Defines tracking media parameters.
726 //
727 Float_t epsil = .001; // Tracking precision,
728 Float_t stemax = -0.01; // Maximum displacement for multiple scat
729 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
730 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
731 Float_t stmin = -.8;
732 // ***************
733 //
734 // Beryllium
735
736 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
737
738 // Carbon
739 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
740 //
741 // Aluminum
742 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
743 //
744 // Air
745 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
746 //
747 // Vacuum
748 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
749 //
750 // Steel
751 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
752 //
753 // Getter
754 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2196bc42 755 //
756 // AlBe - Aloy
757 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
758
fe4da5cc 759}
760
761
7bd7faf8 762void AliPIPEv0::Undulation(char *undul, Float_t pitch, Float_t thick,
763 Float_t zundul, Float_t rundul, char (*cone)[5])
764{
765 //
766 // RUNDUL : Internal radius of the undulated chamber
767 // THICK : material thickness
768 // PITCH : one-QUARTER wave of undulation (cm)
769 // ZUNDUL : half length (cm)
770 //
771 // The undulated structure is desgned as a superposition of eight CONES
772 // of suitable sizes, where the inner/outer radius of the cone increases,
773 // then decreases, each half of the wave is assumed to be a semicircle,
774 // which allows to calculate the thickness and the radii of the cone, by
775 // dividing the semicircle into 4 parts of equal arc length.
776 // Thus apear the constants 0.293 and 0.707.
777 //
778
779 const Float_t kConst1 = .293;
780 const Float_t kConst2 = .707;
781
782 // Local variables
783 Int_t j, nwave;
784 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
785 dcone6[5], dcone7[5], dcone8[5];
786 Float_t xc, yc, zc, dundul[3];
787 Int_t *idtmed = fIdtmed->GetArray()-1999;
788
789 // Function Body
fe4da5cc 790
7bd7faf8 791 dcone1[0] = kConst1 * pitch / 2;
792 dcone1[1] = rundul;
793 dcone1[2] = dcone1[1] + thick;
794 dcone1[3] = dcone1[1] + kConst2 * pitch;
795 dcone1[4] = dcone1[3] + thick;
796
797 dcone2[0] = kConst2 * pitch / 2;
798 dcone2[1] = dcone1[3];
799 dcone2[2] = dcone1[4];
800 dcone2[3] = dcone2[1] + kConst1 * pitch;
801 dcone2[4] = dcone2[3] + thick;
802
803 dcone3[0] = dcone2[0];
804 dcone3[1] = dcone2[3];
805 dcone3[2] = dcone2[4];
806 dcone3[3] = dcone2[1];
807 dcone3[4] = dcone2[2];
808
809 dcone4[0] = dcone1[0];
810 dcone4[1] = dcone1[3];
811 dcone4[2] = dcone1[4];
812 dcone4[3] = dcone1[1];
813 dcone4[4] = dcone1[2];
814
815 dcone5[0] = dcone1[0];
816 dcone5[1] = dcone1[1] - thick;
817 dcone5[2] = dcone1[1];
818 dcone5[3] = dcone5[1] - kConst2 * pitch;
819 dcone5[4] = dcone5[3] + thick;
820
821 dcone6[0] = dcone2[0];
822 dcone6[1] = dcone5[3];
823 dcone6[2] = dcone5[4];
824 dcone6[3] = dcone6[1] - kConst1 * pitch;
825 dcone6[4] = dcone6[3] + thick;
826 dcone7[0] = dcone6[0];
827 dcone7[1] = dcone6[3];
828 dcone7[2] = dcone6[4];
829 dcone7[3] = dcone5[3];
830 dcone7[4] = dcone5[4];
831
832 dcone8[0] = dcone5[0];
833 dcone8[1] = dcone7[3];
834 dcone8[2] = dcone7[4];
835 dcone8[3] = dcone5[1];
836 dcone8[4] = dcone5[2];
837
838 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
839 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
840 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
841 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
842 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
843 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
844 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
845 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
846 gMC->Gsatt(cone[0], "SEEN", 0);
847 gMC->Gsatt(cone[1], "SEEN", 0);
848 gMC->Gsatt(cone[2], "SEEN", 0);
849 gMC->Gsatt(cone[3], "SEEN", 0);
850 gMC->Gsatt(cone[4], "SEEN", 0);
851 gMC->Gsatt(cone[5], "SEEN", 0);
852 gMC->Gsatt(cone[6], "SEEN", 0);
853 gMC->Gsatt(cone[7], "SEEN", 0);
854
855 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
856
857 nwave = Int_t (zundul / (pitch * 2) + .1);
858 dundul[2] = pitch * 2 * nwave;
859 dundul[1] = rundul + pitch + thick * 2;
860 //
861 dundul[0] = 2.9;
862 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
863
864 xc = 0;
865 yc = 0;
866 zc = -dundul[2] + dcone1[0];
867 for (j = 1; j <= nwave; ++j) {
868 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
869 zc = zc + dcone1[0] + dcone2[0];
870 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
871 zc = zc + dcone2[0] + dcone3[0];
872 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
873 zc = zc + dcone3[0] + dcone4[0];
874 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
875 zc = zc + dcone4[0] + dcone5[0];
876 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
877 zc = zc + dcone5[0] + dcone6[0];
878 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
879 zc = zc + dcone6[0] + dcone7[0];
880 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
881 zc = zc + dcone7[0] + dcone8[0];
882 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
883 zc = zc + dcone8[0] + dcone1[0];
884 }
885}
fe4da5cc 886
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