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[u/mrichter/AliRoot.git] / STRUCT / AliPIPEv0.cxx
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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$Log$
18Revision 1.10 2000/11/24 13:00:37 morsch
19- Geometry and materials imported from euclid output
20- include comments
21- better struturing of volume tree
22- improved version of flange close to front absorber
23- more realistic pump materials
24- undulated beam pipe imported from v3.
25
26Revision 1.9 2000/10/02 21:28:15 fca
27Removal of useless dependecies via forward declarations
28
29Revision 1.8 2000/06/11 12:37:01 morsch
30Coding rule violations corrected
31
32Revision 1.7 2000/02/23 16:25:24 fca
33AliVMC and AliGeant3 classes introduced
34ReadEuclid moved from AliRun to AliModule
35
36Revision 1.6 1999/09/29 09:24:30 fca
37Introduction of the Copyright and cvs Log
38
39*/
40
41////////////////////////////////////////////////
42// Beam pipe class /
43////////////////////////////////////////////////
44
45#include "AliPIPEv0.h"
46#include "AliRun.h"
47#include "AliConst.h"
48#include "AliMagF.h"
49#include "AliMC.h"
50#include "TSystem.h"
51
52ClassImp(AliPIPEv0)
53
54//_____________________________________________________________________________
55AliPIPEv0::AliPIPEv0()
56{
57// Constructor
58}
59
60//_____________________________________________________________________________
61AliPIPEv0::AliPIPEv0(const char *name, const char *title)
62 : AliPIPE(name,title)
63{
64// Constructor
65}
66
67
68//___________________________________________
69void AliPIPEv0::CreateGeometry()
70{
71//Begin_Html
72/*
73<img src="picts/pipe.gif">
74*/
75//End_Html
76
77
78//Begin_Html
79/*
80<img src="picts/tree_pipe.gif">
81*/
82//End_Html
83
84 printf("Create PIPEv0 geometry \n");
85
86
87 Int_t *idtmed = fIdtmed->GetArray();
88 Float_t ppcon[36], ptube[3], pbox[3];
89 Int_t i=0;
90
91 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
92
93 Int_t idrotm[2099];
94 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
95 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
96 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
97 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
98 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
99 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
100 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
101 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
102 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
103 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
104 idrotm[2011] = 0;
105 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
106 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
107
108
109
110//
111// The peam pipe up to the Front Absorber
112//
113// Mother Volume QBPM
114 ppcon[0] = 0;
115 ppcon[1] = 360;
116 ppcon[2] = 11;
117// 1:
118 ppcon[3] = - 90;
119 ppcon[4] = 0;
120 ppcon[5] = 5.8;
121// 2
122 ppcon[6] = - 81.0;
123 ppcon[7] = 0.;
124 ppcon[8] = 5.8;
125// 3
126 ppcon[9] = - 81.;
127 ppcon[10] = 0.;
128 ppcon[11] = 4.22;
129// 4
130 ppcon[12] = - 28.00;
131 ppcon[13] = 0;
132 ppcon[14] = 4.22;
133// 5
134 ppcon[15] = - 28.00;
135 ppcon[16] = 0;
136 ppcon[17] = 3.2;
137// 6
138 ppcon[18] = 0;
139 ppcon[19] = 0;
140 ppcon[20] = 3.2;
141// 7
142 ppcon[21] = 28.00;
143 ppcon[22] = 0;
144 ppcon[23] = 3.2;
145// 8
146 ppcon[24] = 28.00;
147 ppcon[25] = 0;
148 ppcon[26] = 4.22;
149// 9
150 ppcon[27] = 250;
151 ppcon[28] = 0;
152 ppcon[29] = 4.22;
153// 10
154 ppcon[30] = 250;
155 ppcon[31] = 0;
156 ppcon[32] = 5;
157// 11
158 ppcon[33] = 800;
159 ppcon[34] = 0;
160 ppcon[35] = 5;
161
162 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
163
164//
165// The Vacuum
166 ptube[0] = 0.0;
167 ptube[1] = 2.9;
168 ptube[2] = 445.0;
169
170 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
171 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
172//
173// Be Pipe in central Alice
174 ptube[0] = 2.90;
175 ptube[1] = 3.00;
176 ptube[2] = 28.25;
177
178 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
179 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., 0., 0, "ONLY");
180
181//
182// Metal-Metal Transitions
183//
184// Be-Inox
185// Mother Volume
186 ptube[0] = 2.900;
187 ptube[1] = 4.200;
188 ptube[2] = 2.750;
189 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
190 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+ptube[2], 0, "ONLY");
191
192 ptube[0] = 2.900;
193 ptube[1] = 3.150;
194 ptube[2] = 0.375;
195 //
196 // Be-part
197 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
198
199 ptube[1] = 3.000;
200 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
201
202 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
203 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
204
205 // Inox-part
206 //
207 ptube[0] = 2.900;
208 ptube[1] = 3.150;
209 ptube[2] = 2.375;
210
211 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
212 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
213
214
215 ptube[0] = 3.15;
216 ptube[1] = 3.50;
217 ptube[2] = 0.10;
218
219 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
220 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
221
222
223 // Fixations
224 ptube[0] = 0.0;
225 ptube[1] = 0.1;
226 ptube[2] = 0.5;
227
228 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
229 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
230 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
231 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
232
233 // Carbon ring
234 ptube[0] = 3.15;
235 ptube[1] = 4.10;
236 ptube[2] = 0.55;
237
238 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
239
240 ptube[0] = 3.15;
241 ptube[1] = 3.50;
242 ptube[2] = 0.10;
243 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
244 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
245 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
246
247//
248// Be-Alu
249// Mother Volume
250 ptube[0] = 2.900;
251 ptube[1] = 4.200;
252 ptube[2] = 2.750;
253 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
254 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-ptube[2], idrotm[2012], "ONLY");
255
256 ptube[0] = 2.900;
257 ptube[1] = 3.150;
258 ptube[2] = 0.375;
259 //
260 // Be-part
261 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
262
263 ptube[1] = 3.000;
264 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
265
266 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
267 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
268
269 // Alu part
270 ptube[0] = 2.900;
271 ptube[1] = 3.150;
272 ptube[2] = 2.375;
273
274 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
275 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
276
277
278 ptube[0] = 3.15;
279 ptube[1] = 3.50;
280 ptube[2] = 0.10;
281
282 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
283 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
284
285
286 // Fixation
287 ptube[0] = 0.0;
288 ptube[1] = 0.1;
289 ptube[2] = 0.5;
290
291 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
292 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
293 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
294 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
295
296 // Carbon ring
297 ptube[0] = 3.15;
298 ptube[1] = 4.10;
299 ptube[2] = 0.55;
300
301 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
302
303 ptube[0] = 3.15;
304 ptube[1] = 3.50;
305 ptube[2] = 0.10;
306 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
307 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
308 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
309
310
311
312//
313// 1st section Alu non-absorber side
314 ptube[0] = 2.9;
315 ptube[1] = 3.0;
316 ptube[2] = 85.175;
317
318 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
319 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925, 0, "ONLY");
320//
321// Support rollers: non absorber side
322//
323// Mother volume
324 ptube[0] = 3.2;
325 ptube[1] = 4.8;
326 ptube[2] = 3.0;
327 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
328 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
329 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
330
331 ptube[0] = 0.0;
332 ptube[1] = 0.7;
333 ptube[2] = 3.0;
334
335 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
336
337 for (i=0; i<8; i++) {
338 Float_t phi = 45.+i*45.*kDegrad;
339 Float_t xpos = 4.*TMath::Sin(phi);
340 Float_t ypos = 4.*TMath::Cos(phi);
341 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
342 }
343
344//
345// Flanges: non absorber side
346 ptube[0] = 3.0;
347 ptube[1] = 4.9;
348 ptube[2] = 2.2;
349
350 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
351 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
352 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
353//
354// Inox beam pipe: non absorber side
355
356 ptube[0] = 2.90;
357 ptube[1] = 2.98;
358// ptube[2] = 275.05; // without undulated beampipe
359 ptube[2] = 42.55;
360
361 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
362// gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
363 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
364
365//
366// Undulated beam pipe
367//
368/*
369 Float_t pitch=0.25;
370 Float_t thick=0.015;
371 Float_t zundul=171;
372 Float_t rundul=3.0;
373 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
374
375 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
376 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
377*/
378
379// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
380//
381 ptube[0] = 2.90;
382 ptube[1] = 3.05;
383 ptube[2] = 171.0;
384
385 gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
386 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
387
388
389//
390// missing pieces of inox pipe
391//
392 ptube[0] = 2.90;
393 ptube[1] = 2.98;
394 ptube[2] = 61.55;
395
396 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
397 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
398
399 ptube[0] = 2.90;
400 ptube[1] = 2.98;
401 ptube[2] = 1.0;
402
403 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
404 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
405//
406 ptube[0] = 2.90;
407 ptube[1] = 3.15;
408 ptube[2] = 1.5;
409
410 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
411 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, 205.6, 0, "ONLY");
412
413//
414 ptube[0] = 3.0;
415 ptube[1] = 3.15;
416 ptube[2] = 2.75;
417
418 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
419 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
420
421//
422// Bellows
423//
424// Mother Volume
425 ptube[0] = 2.90;
426 ptube[1] = 3.75;
427 ptube[2] = 14.70;
428 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
429 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, 229.5, 0, "ONLY");
430 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -61.3, 0, "ONLY");
431
432 ptube[2] = 5.70;
433
434 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
435 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0,-14.7, 0 , "ONLY");
436 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, 14.7,idrotm[2012], "ONLY");
437
438 ptube[0] = 2.90;
439 ptube[1] = 3.25;
440 ptube[2] = 3.70;
441
442 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
443 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
444
445 ptube[0] = 3.25;
446 ptube[1] = 3.74;
447 ptube[2] = 0.095;
448
449 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
450 for (i=0; i<15; i++) {
451 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
452 }
453
454 ptube[0] = 2.90;
455 ptube[1] = 3.00;
456 ptube[2] = 1.20;
457
458 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
459 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
460
461 ptube[0] = 3.250;
462 ptube[1] = 3.750;
463 ptube[2] = 0.005;
464
465 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
466 for (i=0; i<30; i++) {
467 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
468 }
469
470 ptube[0] = 3.740;
471 ptube[1] = 3.750;
472 ptube[2] = 0.095;
473
474 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
475 for (i=0; i<15; i++) {
476 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
477 }
478
479 ptube[0] = 3.250;
480 ptube[1] = 3.260;
481 ptube[2] = 0.095;
482
483 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
484 for (i=0; i<14; i++) {
485 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
486 }
487
488 ptube[0] = 3.250;
489 ptube[1] = 3.260;
490 ptube[2] = 0.3975;
491
492 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
493 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
494 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
495
496 ptube[0] = 2.900;
497 ptube[1] = 3.260;
498 ptube[2] = 0.050;
499
500 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
501 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
502 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
503
504 ptube[0] = 2.900;
505 ptube[1] = 3.000;
506 ptube[2] = 0.700;
507
508 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
509 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
510
511
512//
513// pipe between Bellows
514 ptube[0] = 2.9;
515 ptube[1] = 3.0;
516 ptube[2] = 9.0;
517 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
518 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
519
520//
521// End Bellow
522
523// Absorber side
524//
525// beam pipe between metal-metal transition and bellows
526 ptube[0] = 2.9;
527 ptube[1] = 3.0;
528 ptube[2] = 3.575;
529
530 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
531 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -37.325, 0, "ONLY");
532//
533// beam pipe between flange and bellows
534 ptube[0] = 2.90;
535 ptube[1] = 3.00;
536 ptube[2] = 0.45;
537
538 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
539 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
540
541//
542// Flange
543//
544// Mother Volume
545 ptube[0] = 2.900;
546 ptube[1] = 4.300;
547 ptube[2] = 1.400;
548
549 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
550 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
551//
552// inner Inox piece
553 ptube[0] = 2.900;
554 ptube[1] = 3.500;
555 ptube[2] = 0.450;
556 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
557 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
558//
559// 8 x M5 Inox
560 ptube[0] = 0.000;
561 ptube[1] = 0.250;
562 ptube[2] = 1.400;
563 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
564 for (i=0; i<8; i++) {
565 Float_t phi = i*45.*kDegrad;
566 Float_t xpos = 3.9*TMath::Sin(phi);
567 Float_t ypos = 3.9*TMath::Cos(phi);
568 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
569 }
570
571
572 ptube[0] = 2.900;
573 ptube[1] = 3.000;
574 ptube[2] = 2.300;
575
576 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
577 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
578
579//
580// The Ion Pump
581// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
582// and make it invisible
583//
584
585
586 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
587
588//
589// Ion Pump
590//
591 ptube[0] = 5.;
592 ptube[1] = 55.;
593 ptube[2] = 20.;
594 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
595 //
596 // Getters ->
597 pbox[0] = 6.50;
598 pbox[1] = 6.75;
599 pbox[2] = 15.60;
600 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
601
602 pbox[0] = 5.90;
603 pbox[1] = 6.15;
604 pbox[2] = 15.00;
605 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
606 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
607// <-
608
609 ptube[0] = 0.0;
610 ptube[1] = 19.0;
611 ptube[2] = 2.5;
612 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
613
614
615 ptube[0] = 0.0;
616 ptube[1] = 15.0;
617 ptube[2] = 2.5;
618 gMC->Gsvolu("QI43","TUBE", idtmed[kInox], ptube, 3);
619 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
620//
621// Connecting tube ->
622 ptube[0] = 0.0;
623 ptube[1] = 5.4;
624 ptube[2] = 13.7;
625 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
626
627 ptube[0] = 0.0;
628 ptube[1] = 4.8;
629 ptube[2] = 13.7;
630 gMC->Gsvolu("QI44","TUBE", idtmed[kInox], ptube, 3);
631 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
632// <-
633
634 //
635 // Flange ->
636 ptube[0] = 0.00;
637 ptube[1] = 7.30;
638 ptube[2] = 2.15;
639 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
640
641 ptube[0] = 4.80;
642 ptube[1] = 7.30;
643 ptube[2] = 2.15;
644 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
645 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
646// <-
647
648 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
649 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
650 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
651 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
652//
653// PLACE ION PUMP (QIPM) AT Z=-385.
654//
655 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
656
657
658 gMC->Gsatt("QIPM", "SEEN", 0);
659 gMC->Gsatt("QBPM", "SEEN", 0);
660 gMC->Gsatt("QBEM", "SEEN", 0);
661}
662
663
664//___________________________________________
665void AliPIPEv0::DrawModule()
666{
667// Set drawing options
668 ;
669}
670
671//___________________________________________
672void AliPIPEv0::CreateMaterials()
673{
674 printf("Create PIPEv0 materials \n");
675 //
676 // Define materials for muon absorber
677 //
678 Int_t isxfld = gAlice->Field()->Integ();
679 Float_t sxmgmx = gAlice->Field()->Max();
680 // Steel (Inox)
681 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
682 Float_t zsteel[4] = { 26.,24.,28.,14. };
683 Float_t wsteel[4] = { .715,.18,.1,.005 };
684 // AlBe - alloy
685 Float_t aAlBe[2] = { 26.98, 9.01};
686 Float_t zAlBe[2] = { 13.00, 4.00};
687 Float_t wAlBe[2] = { 0.4, 0.6};
688
689 //
690 // Berillium
691 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
692 //
693 // Carbon
694 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
695 //
696 // Aluminum
697 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
698 //
699 // Air
700 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
701 //
702 // Vacuum
703 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
704 //
705 // stainless Steel
706 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
707 //
708 // reduced density steel to approximate pump getter material
709 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
710 // Al-Be alloy
711 //
712 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
713 //
714 // ****************
715 // Defines tracking media parameters.
716 //
717 Float_t epsil = .001; // Tracking precision,
718 Float_t stemax = -0.01; // Maximum displacement for multiple scat
719 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
720 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
721 Float_t stmin = -.8;
722 // ***************
723 //
724 // Beryllium
725
726 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
727
728 // Carbon
729 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
730 //
731 // Aluminum
732 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
733 //
734 // Air
735 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
736 //
737 // Vacuum
738 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
739 //
740 // Steel
741 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
742 //
743 // Getter
744 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
745 //
746 // AlBe - Aloy
747 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
748
749}
750
751
752void AliPIPEv0::Undulation(char *undul, Float_t pitch, Float_t thick,
753 Float_t zundul, Float_t rundul, char (*cone)[5])
754{
755 //
756 // RUNDUL : Internal radius of the undulated chamber
757 // THICK : material thickness
758 // PITCH : one-QUARTER wave of undulation (cm)
759 // ZUNDUL : half length (cm)
760 //
761 // The undulated structure is desgned as a superposition of eight CONES
762 // of suitable sizes, where the inner/outer radius of the cone increases,
763 // then decreases, each half of the wave is assumed to be a semicircle,
764 // which allows to calculate the thickness and the radii of the cone, by
765 // dividing the semicircle into 4 parts of equal arc length.
766 // Thus apear the constants 0.293 and 0.707.
767 //
768
769 const Float_t kConst1 = .293;
770 const Float_t kConst2 = .707;
771
772 // Local variables
773 Int_t j, nwave;
774 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
775 dcone6[5], dcone7[5], dcone8[5];
776 Float_t xc, yc, zc, dundul[3];
777 Int_t *idtmed = fIdtmed->GetArray()-1999;
778
779 // Function Body
780
781 dcone1[0] = kConst1 * pitch / 2;
782 dcone1[1] = rundul;
783 dcone1[2] = dcone1[1] + thick;
784 dcone1[3] = dcone1[1] + kConst2 * pitch;
785 dcone1[4] = dcone1[3] + thick;
786
787 dcone2[0] = kConst2 * pitch / 2;
788 dcone2[1] = dcone1[3];
789 dcone2[2] = dcone1[4];
790 dcone2[3] = dcone2[1] + kConst1 * pitch;
791 dcone2[4] = dcone2[3] + thick;
792
793 dcone3[0] = dcone2[0];
794 dcone3[1] = dcone2[3];
795 dcone3[2] = dcone2[4];
796 dcone3[3] = dcone2[1];
797 dcone3[4] = dcone2[2];
798
799 dcone4[0] = dcone1[0];
800 dcone4[1] = dcone1[3];
801 dcone4[2] = dcone1[4];
802 dcone4[3] = dcone1[1];
803 dcone4[4] = dcone1[2];
804
805 dcone5[0] = dcone1[0];
806 dcone5[1] = dcone1[1] - thick;
807 dcone5[2] = dcone1[1];
808 dcone5[3] = dcone5[1] - kConst2 * pitch;
809 dcone5[4] = dcone5[3] + thick;
810
811 dcone6[0] = dcone2[0];
812 dcone6[1] = dcone5[3];
813 dcone6[2] = dcone5[4];
814 dcone6[3] = dcone6[1] - kConst1 * pitch;
815 dcone6[4] = dcone6[3] + thick;
816 dcone7[0] = dcone6[0];
817 dcone7[1] = dcone6[3];
818 dcone7[2] = dcone6[4];
819 dcone7[3] = dcone5[3];
820 dcone7[4] = dcone5[4];
821
822 dcone8[0] = dcone5[0];
823 dcone8[1] = dcone7[3];
824 dcone8[2] = dcone7[4];
825 dcone8[3] = dcone5[1];
826 dcone8[4] = dcone5[2];
827
828 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
829 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
830 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
831 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
832 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
833 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
834 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
835 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
836 gMC->Gsatt(cone[0], "SEEN", 0);
837 gMC->Gsatt(cone[1], "SEEN", 0);
838 gMC->Gsatt(cone[2], "SEEN", 0);
839 gMC->Gsatt(cone[3], "SEEN", 0);
840 gMC->Gsatt(cone[4], "SEEN", 0);
841 gMC->Gsatt(cone[5], "SEEN", 0);
842 gMC->Gsatt(cone[6], "SEEN", 0);
843 gMC->Gsatt(cone[7], "SEEN", 0);
844
845 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
846
847 nwave = Int_t (zundul / (pitch * 2) + .1);
848 dundul[2] = pitch * 2 * nwave;
849 dundul[1] = rundul + pitch + thick * 2;
850 //
851 dundul[0] = 2.9;
852 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
853
854 xc = 0;
855 yc = 0;
856 zc = -dundul[2] + dcone1[0];
857 for (j = 1; j <= nwave; ++j) {
858 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
859 zc = zc + dcone1[0] + dcone2[0];
860 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
861 zc = zc + dcone2[0] + dcone3[0];
862 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
863 zc = zc + dcone3[0] + dcone4[0];
864 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
865 zc = zc + dcone4[0] + dcone5[0];
866 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
867 zc = zc + dcone5[0] + dcone6[0];
868 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
869 zc = zc + dcone6[0] + dcone7[0];
870 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
871 zc = zc + dcone7[0] + dcone8[0];
872 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
873 zc = zc + dcone8[0] + dcone1[0];
874 }
875}
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