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Merging the VirtualMC branch to the main development branch (HEAD)
[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$Log$
b9d0a01d 18Revision 1.19.4.2 2002/10/11 08:04:28 hristov
19Updating VirtualMC to v3-09-02
20
21Revision 1.22 2002/09/02 15:29:20 morsch
22Gsbool calls to resolve MANY added (I. Hrivnacova).
23
fddcf8f7 24Revision 1.19.4.1 2002/06/10 15:13:48 hristov
25Merged with v3-08-02
26
27Revision 1.21 2002/05/11 19:14:44 morsch
28PCONE QBEU had last z defined twice.
29
13a638e8 30Revision 1.20 2002/05/02 12:36:43 morsch
31New version of beam-pipe geometry. Ref. AL502206PL
32(used in production readiness report).
33
614dff1c 34Revision 1.19 2002/03/25 12:34:40 morsch
35Obsolete support rollers removed.
36
4a7308f7 37Revision 1.18 2002/02/01 18:02:41 morsch
38Material of beam pipe between inner Be piece and forward detectors
39can be set by SetPipeMaterial(mat), mat = kInox, kAlu, kBe ...
40
765e9e1a 41Revision 1.17 2001/09/24 13:11:50 morsch
42Ion pump and bellows moved out by 15 cm to make space for forward
43detectors.
44
22811e34 45Revision 1.16 2001/05/16 14:57:22 alibrary
46New files for folders and Stack
47
9e1a0ddb 48Revision 1.15 2001/05/02 11:50:18 morsch
49New layout of the non-absorber side provided by Y. Viyogi. Not the final design
50but the prsent most realistic.
51
cd9c4f3a 52Revision 1.14 2001/01/20 16:56:33 morsch
53Put air in connecting tubes and flanges of vacuum pump.
54
14b75006 55Revision 1.13 2001/01/20 16:35:27 morsch
56Increase mother volume for bellows.
57
1416b7f3 58Revision 1.12 2000/12/21 16:41:06 morsch
59Coding convention clean-up (RS3)
60
13391c3e 61Revision 1.11 2000/11/28 16:06:57 morsch
62Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
63
2196bc42 64Revision 1.10 2000/11/24 13:00:37 morsch
65- Geometry and materials imported from euclid output
66- include comments
67- better struturing of volume tree
68- improved version of flange close to front absorber
69- more realistic pump materials
70- undulated beam pipe imported from v3.
71
7bd7faf8 72Revision 1.9 2000/10/02 21:28:15 fca
73Removal of useless dependecies via forward declarations
74
94de3818 75Revision 1.8 2000/06/11 12:37:01 morsch
76Coding rule violations corrected
77
b43eb0dc 78Revision 1.7 2000/02/23 16:25:24 fca
79AliVMC and AliGeant3 classes introduced
80ReadEuclid moved from AliRun to AliModule
81
b13db077 82Revision 1.6 1999/09/29 09:24:30 fca
83Introduction of the Copyright and cvs Log
84
4c039060 85*/
86
fe4da5cc 87////////////////////////////////////////////////
88// Beam pipe class /
89////////////////////////////////////////////////
90
fe4da5cc 91#include "AliPIPEv0.h"
92#include "AliRun.h"
7bd7faf8 93#include "AliConst.h"
94#include "AliMagF.h"
94de3818 95#include "AliMC.h"
fe4da5cc 96#include "TSystem.h"
22811e34 97
98#include <iostream.h>
fe4da5cc 99
100ClassImp(AliPIPEv0)
101
102//_____________________________________________________________________________
b8032157 103AliPIPEv0::AliPIPEv0()
fe4da5cc 104{
b43eb0dc 105// Constructor
765e9e1a 106 SetPipeMaterial();
fe4da5cc 107}
108
109//_____________________________________________________________________________
110AliPIPEv0::AliPIPEv0(const char *name, const char *title)
111 : AliPIPE(name,title)
112{
b43eb0dc 113// Constructor
765e9e1a 114 SetPipeMaterial();
fe4da5cc 115}
116
117
118//___________________________________________
119void AliPIPEv0::CreateGeometry()
120{
fe4da5cc 121//Begin_Html
122/*
1439f98e 123<img src="picts/pipe.gif">
fe4da5cc 124*/
125//End_Html
126
127
128//Begin_Html
129/*
1439f98e 130<img src="picts/tree_pipe.gif">
fe4da5cc 131*/
132//End_Html
133
9e1a0ddb 134 if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName());
fe4da5cc 135
fe4da5cc 136
7bd7faf8 137 Int_t *idtmed = fIdtmed->GetArray();
22811e34 138 Float_t ppcon[84], ptube[3], pbox[3];
7bd7faf8 139 Int_t i=0;
140
7bd7faf8 141
142 Int_t idrotm[2099];
143 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
144 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
145 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
146 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
147 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
148 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
149 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
150 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
151 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
152 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
153 idrotm[2011] = 0;
154 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
155 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
614dff1c 156//
157// Bellow
158//
22811e34 159// distance between bellows
614dff1c 160 const Float_t dzbb = 9.0;
161// total size of bellow section
162 const Float_t dzb = 15.0;
163// size of undulated region
164 const Float_t dzub = 2.0;
165
166// half-lengths of various beam pipe sections
167// central Be-Pipe
168 Float_t hlenQbbe1 = 40.;
169 Float_t hlenQbbe2 = 36.5;
170 Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.;
171//
172//
173// Float_t hlenQbt1 = 5.5/2.;
174//
175// Pipe outside central region (non-absober side)
176 Float_t hlenQbab = 157.5;
177//
178// Flange non-absorber side
179 Float_t hlenQb29 = 11.5/2.+1.75 + 5.0;
180//
181// Bellow element
182 Float_t hlenQbe0 = dzb;
183//
184// Inox pipe between Be and Bellow (absorber side)
185 Float_t hlenQb24[3] = {10.5/2., 1.8, 3.3};
186//
187//
188 Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.;
189//
190// Position of the pump
191 Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+dzb;
192//
193// Inner beam pipe radius
194 Float_t RinBe = 2.9;
195 Float_t RinSt = 2.92;
196//
197//
198 Float_t RoutBe = 2.98;
199 Float_t RoutSt = 3.00;
22811e34 200
614dff1c 201
202//
203 Float_t dz;
7bd7faf8 204
fe4da5cc 205//
206// The peam pipe up to the Front Absorber
fe4da5cc 207//
7bd7faf8 208// Mother Volume QBPM
614dff1c 209 ppcon[0] = 0;
210 ppcon[1] = 360;
211 ppcon[2] = 18;
7bd7faf8 212// 1:
614dff1c 213 ppcon[3] = -90.;
214 ppcon[4] = 0.;
215 ppcon[5] = 4.4;
7bd7faf8 216// 2
614dff1c 217 ppcon[6] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1];
218 ppcon[7] = 0.;
219 ppcon[8] = 4.4;
7bd7faf8 220// 3
614dff1c 221 ppcon[9] = ppcon[6];
222 ppcon[10] = 0.;
223 ppcon[11] = 4.1;
22811e34 224// 4
614dff1c 225 ppcon[12] = ppcon[9] + 2. + 2.*dzub+0.2;
226 ppcon[13] = 0.;
227 ppcon[14] = 4.1;
22811e34 228// 5
614dff1c 229 ppcon[15] = ppcon[12];
230 ppcon[16] = 0.;
231 ppcon[17] = 3.2;
22811e34 232// 6
614dff1c 233 ppcon[18] = ppcon[15] + 2.* dzbb-0.4;
234 ppcon[19] = 0.;
235 ppcon[20] = 3.2;
7bd7faf8 236// 7
614dff1c 237 ppcon[21] = ppcon[18];
238 ppcon[22] = 0.;
239 ppcon[23] = 4.1;
7bd7faf8 240// 8
614dff1c 241 ppcon[24] = -44.;
242 ppcon[25] = 0.;
243 ppcon[26] = 4.1;
7bd7faf8 244// 9
614dff1c 245 ppcon[27] = -44.;
7bd7faf8 246 ppcon[28] = 0;
614dff1c 247 ppcon[29] = 3.0;
22811e34 248// 10
614dff1c 249 ppcon[30] = 38.;
7bd7faf8 250 ppcon[31] = 0;
614dff1c 251 ppcon[32] = 3.0;
22811e34 252// 11
614dff1c 253 ppcon[33] = 38.;
7bd7faf8 254 ppcon[34] = 0;
614dff1c 255 ppcon[35] = 3.6;
22811e34 256// 12
614dff1c 257 ppcon[36] = hlenQbbe1+2.*hlenQbab-0.1;
258 ppcon[37] = 0.;
259 ppcon[38] = 3.6;
260// 13
261 ppcon[39] = ppcon[36];
262 ppcon[40] = 0.;
263 ppcon[41] = 3.6;
22811e34 264// 14
614dff1c 265 ppcon[42] = ppcon[39]+2.*hlenQb29-5.;
266 ppcon[43] = 0.;
267 ppcon[44] = 3.6;
268// 15
269 ppcon[45] = ppcon[42];
270 ppcon[46] = 0.;
271 ppcon[47] = 56.;
22811e34 272// 16
614dff1c 273 ppcon[48] = ppcon[45]+2.*dzb+10.;
274 ppcon[49] = 0.;
275 ppcon[50] = 56.;
22811e34 276// 17
614dff1c 277 ppcon[51] = ppcon[48];
22811e34 278 ppcon[52] = 0.;
614dff1c 279 ppcon[53] = 3.6;
22811e34 280// 18
614dff1c 281 ppcon[54] = 800.;
22811e34 282 ppcon[55] = 0.;
614dff1c 283 ppcon[56] = 3.6;
7bd7faf8 284
614dff1c 285 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,57);
286
287
7bd7faf8 288//
cd9c4f3a 289// volume definitions of various sections
290//
cd9c4f3a 291
614dff1c 292//
293// The Vacuum
294 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0);
295 ptube[0] = 0.0;
296 ptube[1] = RinSt;
297 ptube[2] = (90.-hlenQbbe2)/2.;
298 dz = -90. + ptube[2];
299 gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
300 dz = dz + ptube[2];
301
302 ptube[1] = RinBe;
303 ptube[2] = hlenQbbe+hlenQbab;
304 dz = dz + ptube[2];
305 gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
306 dz = dz + ptube[2];
307
308 ptube[1] = RinSt;
309 ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.;
310 dz = dz + ptube[2];
311 gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
cd9c4f3a 312
614dff1c 313//
314// Be Pipe in central Alice
315 ptube[0] = RinBe;
316 ptube[1] = RoutBe;
cd9c4f3a 317 ptube[2] = hlenQbbe;
7bd7faf8 318
319 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
7bd7faf8 320
321//
614dff1c 322// Support Ring
7bd7faf8 323//
614dff1c 324 // Mother
325 ppcon[0] = 0;
326 ppcon[1] = 360;
327 ppcon[2] = 6;
328// 1:
329 ppcon[3] = -1.;
330 ppcon[4] = 3.0;
331 ppcon[5] = 3.4;
332// 2
333 ppcon[6] = -0.8;
334 ppcon[7] = 3.0;
335 ppcon[8] = 3.4;
336// 3
337 ppcon[9] = -0.8;
338 ppcon[10] = 3.0;
339 ppcon[11] = 3.2;
340// 4
341 ppcon[12] = 0.8;
342 ppcon[13] = 3.0;
343 ppcon[14] = 3.2;
344// 5
345 ppcon[15] = 0.8;
346 ppcon[16] = 3.0;
347 ppcon[17] = 3.4;
348// 6
349 ppcon[18] = 1.0;
350 ppcon[19] = 3.0;
351 ppcon[20] = 3.4;
7bd7faf8 352
7bd7faf8 353
614dff1c 354 gMC->Gsvolu("QBSR", "PCON", idtmed[kC], ppcon,21);
355 gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY");
356 gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY");
357 gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY");
358 gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY");
7bd7faf8 359//
614dff1c 360// Flange and Fixed Point: non absorber side
7bd7faf8 361//
614dff1c 362// ---------->
363//
364// Mother
365 ppcon[0] = 0;
366 ppcon[1] = 360;
367 ppcon[2] = 4;
368// 1:
369 ppcon[3] = -hlenQb29;
370 ppcon[4] = RinSt;
371 ppcon[5] = 5.8;
372// 2
373 ppcon[6] = ppcon[3]+3.6;
374 ppcon[7] = RinSt;
375 ppcon[8] = 5.8;
376// 3
377 ppcon[9] = ppcon[6];
378 ppcon[10] = RinSt;
379 ppcon[11] = 3.6;
380// 4
381 ppcon[12] = hlenQb29;
382 ppcon[13] = RinSt;
383 ppcon[14] = 3.6;
7bd7faf8 384
614dff1c 385 gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15);
7bd7faf8 386
7bd7faf8 387
614dff1c 388// Flange
389 ptube[0] = RinSt;
390 ptube[1] = 5.7;
391 ptube[2] = 1.75;
392 gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3);
393 gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY");
394// Pipe
395 ptube[0] = RinSt;
396 ptube[1] = 3.0;
cd9c4f3a 397 ptube[2] = hlenQb29;
614dff1c 398 gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3);
399 gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY");
400// Fixed point
401 ptube[0] = RinSt;
402 ptube[1] = 3.5;
403 ptube[2] = 0.3;
404 gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3);
405 gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY");
22811e34 406
614dff1c 407//
7bd7faf8 408//
cd9c4f3a 409// Inox beam pipe: final section on non-absorber side
7bd7faf8 410
614dff1c 411 ptube[0] = RinSt;
412 ptube[1] = RoutSt;
cd9c4f3a 413 ptube[2] = hlenQb28;
7bd7faf8 414
415 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 416
2196bc42 417
418// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
419//
614dff1c 420// This section is under study (A.M. 1/2/2002)
765e9e1a 421//
422
614dff1c 423 ptube[0] = RinBe;
765e9e1a 424 if (fPipeMaterial == kAlu) {
425 ptube[1] = 3.0;
426 } else if (fPipeMaterial == kBe) {
614dff1c 427 ptube[1] = RoutBe;
765e9e1a 428 } else if (fPipeMaterial == kInox){
614dff1c 429 ptube[1] = RoutSt;
765e9e1a 430 }
cd9c4f3a 431 ptube[2] = hlenQbab;
2196bc42 432
765e9e1a 433 gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3);
2196bc42 434
cd9c4f3a 435// 2.5 mm thick SS tube for hanging pump
614dff1c 436/*
437 ptube[0] = Rin;
7bd7faf8 438 ptube[1] = 3.15;
cd9c4f3a 439 ptube[2] = hlenQb26;
7bd7faf8 440
cd9c4f3a 441 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
614dff1c 442*/
7bd7faf8 443//
444// Bellows
fe4da5cc 445//
22811e34 446//
7bd7faf8 447// Mother Volume
614dff1c 448 Float_t pconQBE0[33];
449 pconQBE0[ 0]= 0;
450 pconQBE0[ 1]= 360;
451 pconQBE0[ 2]= 10;
452// 1
453 pconQBE0[ 3]= -dzb;
454 pconQBE0[ 4]= RinSt;
455 pconQBE0[ 5]= RoutSt;
456// 2
457 pconQBE0[ 6]= -dzb+2.;
458 pconQBE0[ 7]= RinSt;
459 pconQBE0[ 8]= RoutSt;
460// 3
461 pconQBE0[ 9]= -dzb+2.;
462 pconQBE0[10]= RinSt;
463 pconQBE0[11]= 4.00;
464// 4
465 pconQBE0[12]= -dzb+2.+2.*dzub;
466 pconQBE0[13]= RinSt;
467 pconQBE0[14]= 4.00;
468// 5
469 pconQBE0[15]= -dzb+2.+2.*dzub;
470 pconQBE0[16]= RinSt;
471 pconQBE0[17]= RoutSt;
472// 6
473 pconQBE0[18]= -dzb+2.+2.*dzub+2.*dzbb;
474 pconQBE0[19]= RinSt;
475 pconQBE0[20]= RoutSt;
476// 7
477 pconQBE0[21]= -dzb+2.+2.*dzub+2.*dzbb;
478 pconQBE0[22]= RinSt;
479 pconQBE0[23]= 4.00;
480// 8
481 pconQBE0[24]= -dzb+2.+4.*dzub+2.*dzbb;
482 pconQBE0[25]= RinSt;
483 pconQBE0[26]= 4.00;
484// 9
485 pconQBE0[27]= -dzb+2.+4.*dzub+2.*dzbb;
486 pconQBE0[28]= RinSt;
487 pconQBE0[29]= RoutSt;
488// 10
489 pconQBE0[30]= +dzb;
490 pconQBE0[31]= RinSt;
491 pconQBE0[32]= RoutSt;
492 gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33);
493//
494// Undulated piece mother
495 ptube[0] = RinSt;
496 ptube[1] = 4.00;
497 ptube[2] = dzub;
7bd7faf8 498 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
614dff1c 499 dz = -dzb+2.+dzub;
500 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY");
501 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY");
502//
503 Float_t pund[30];
504 Float_t uw = 0.02;
505 Float_t ur = 2.*dzub-12.*uw;
506 Float_t uz = ur/13.;
507 Float_t ut = uz+uw;
508
509 pund[ 0] = 0;
510 pund[ 1] = 360;
13a638e8 511 pund[ 2] = 8;
614dff1c 512
513 pund[ 3] = -ut;
514 pund[ 4] = RinSt;
515 pund[ 5] = RinSt+uw;
516
517 pund[ 6] = -ut+uz;
518 pund[ 7] = pund[4];
519 pund[ 8] = pund[5];
520
521 pund[ 9] = pund[6];
522 pund[10] = pund[4];
523 pund[11] = 4.0;
524
525 pund[12] = pund[9]+uw;
526 pund[13] = pund[10];
527 pund[14] = pund[11];
528
529 pund[15] = pund[12];
530 pund[16] = 4.0-uw;
531 pund[17] = pund[14];
532
533 pund[18] = pund[12]+uz;
534 pund[19] = pund[16];
535 pund[20] = pund[17];
536
537 pund[21] = pund[18];
538 pund[22] = RinSt;
539 pund[23] = pund[20];
540
541 pund[24] = pund[21]+uw;
542 pund[25] = pund[22];
543 pund[26] = pund[23];
614dff1c 544
13a638e8 545 gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27);
614dff1c 546
547 for (i = 0; i < 6; i++)
548 {
549 dz = -dzub+(1+2*i)*ut;
550 gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY");
7bd7faf8 551 }
614dff1c 552 ptube[0] = RinSt;
553 ptube[1] = RinSt+uw;
554 ptube[2] = uz;
555 gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3);
556 gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, dzub-uz, 0 , "ONLY");
7bd7faf8 557//
614dff1c 558// BeamPipe
559 gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0);
560 ptube[0] = RinSt;
561 ptube[1] = RoutSt;
562 ptube[2] = 1.;
563 gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -dzb+1., 0 , "ONLY", ptube, 3);
564 gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, dzb-1., 0 , "ONLY", ptube, 3);
565 ptube[2] = dzbb;
566 gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3);
567//
568// End undulated part
569//
570//
571// ----> End Bellow
572//
573// **** Placement of various sections on non-absorber side ****
7bd7faf8 574//
cd9c4f3a 575 //
614dff1c 576 // first the beryllium section
577 Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2;
cd9c4f3a 578 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
579
580 // next meta-metal transition QBT1 on on-absorber side
614dff1c 581// zpos = zpos + hlenQbbe + hlenQbt1;
582// gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
cd9c4f3a 583
584 // Aluminium OR Al-be alloy section
614dff1c 585 zpos = hlenQbbe1+hlenQbab;
cd9c4f3a 586 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 587 //
cd9c4f3a 588 // inox flange at the start of bellow
cd9c4f3a 589 zpos = zpos + hlenQbab + hlenQb29;
614dff1c 590 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY");
591 //
cd9c4f3a 592 // bellow section
cd9c4f3a 593 zpos = zpos + hlenQb29 + hlenQbe0;
614dff1c 594 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY");
595 //
cd9c4f3a 596 // inox flange at the end of bellow and start of thick inox for pump
cd9c4f3a 597 zpos = zpos + hlenQbe0 + hlenQb29;
614dff1c 598 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
599 //
cd9c4f3a 600 //last inox section till 800 cm
cd9c4f3a 601 zpos = zpos + hlenQb29 + hlenQb28;
602 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 603
cd9c4f3a 604//******** end of placement on no-absorber side *********
605
606 //
607 // **** Absorber side *****
608 //
609 //
614dff1c 610/*
cd9c4f3a 611 // metal-metal transition : Be-Alu on absorber side
612 // Mother Volume
613 ptube[0] = 2.900;
614 ptube[1] = 4.200;
615 ptube[2] = 2.750;
616 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
617 // z = 43.3 - 48.8
618 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-ptube[2], idrotm[2012], "ONLY");
619
620 ptube[0] = 2.900;
621 ptube[1] = 3.150;
622 ptube[2] = 0.375;
623 //
624 // Be-part
625 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
626
627 ptube[1] = 3.000;
628 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
629
630 gMC->Gspos("QBA2", 1, "QB02", 0., 0., 0, 0, "ONLY");
631// z = -2.75 -> -2.00
632 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
633
634 // Alu part
635 ptube[0] = 2.900;
636 ptube[1] = 3.150;
637 ptube[2] = 2.375;
638// z = -2.00 -> 2.75
639 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
640 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
641
642
643 ptube[0] = 3.15;
644 ptube[1] = 3.50;
645 ptube[2] = 0.10;
646// z = 2.55 -> 2.75
647 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
648 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
649
650
651 // Fixation
652 ptube[0] = 0.0;
653 ptube[1] = 0.1;
654 ptube[2] = 0.5;
655
656 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
657 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
658 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
659 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
660
661 // Carbon ring
662 ptube[0] = 3.15;
663 ptube[1] = 4.10;
664 ptube[2] = 0.55;
665
666 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
667
668 ptube[0] = 3.15;
669 ptube[1] = 3.50;
670 ptube[2] = 0.10;
671 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
672 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
673 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
614dff1c 674 */
675//
676// Beam pipes between elements
677//
cd9c4f3a 678
614dff1c 679 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0);
680 ptube[0] = RinSt;
681 ptube[1] = RoutSt;
682 ptube[2] = hlenQb24[0];
683 dz = hlenQbbe2 + ptube[2];
684 gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
685//
686// Bellow on absorber side
687 dz = dz+hlenQb24[0] + dzb;
688 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
689//
690 ptube[2] = hlenQb24[1];
691 dz = dz + dzb + ptube[2];
692 gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
693 dz = dz + ptube[2];
7bd7faf8 694
7bd7faf8 695//
7bd7faf8 696// Flange
697//
698// Mother Volume
614dff1c 699 ptube[0] = RinSt;
7bd7faf8 700 ptube[1] = 4.300;
614dff1c 701 ptube[2] = 1.4;
7bd7faf8 702
614dff1c 703 gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3);
704 dz = dz + ptube[2];
705 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
706 dz = dz + ptube[2];
7bd7faf8 707//
614dff1c 708//
709 ptube[0] = RinSt;
710 ptube[1] = RoutSt;
711 ptube[2] = hlenQb24[2];
712 dz = dz + ptube[2];
713 gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
cd9c4f3a 714
715
fe4da5cc 716// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
cd9c4f3a 717// by rotating it to 180 deg. and make it invisible
fe4da5cc 718//
7bd7faf8 719 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
fddcf8f7 720 gMC->Gsbool("QBPM", "L3DX");
721 gMC->Gsbool("QBPM", "L3O3");
722 gMC->Gsbool("QBPM", "L3O4");
7bd7faf8 723
cd9c4f3a 724
7bd7faf8 725//
cd9c4f3a 726// ******** Ion Pump volume description starts here ******
7bd7faf8 727//
7bd7faf8 728 //
729 // Getters ->
730 pbox[0] = 6.50;
731 pbox[1] = 6.75;
732 pbox[2] = 15.60;
733 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
734
735 pbox[0] = 5.90;
736 pbox[1] = 6.15;
737 pbox[2] = 15.00;
738 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
739 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
740// <-
741
742 ptube[0] = 0.0;
743 ptube[1] = 19.0;
744 ptube[2] = 2.5;
745 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
746
747
748 ptube[0] = 0.0;
749 ptube[1] = 15.0;
750 ptube[2] = 2.5;
14b75006 751 gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 752 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
753//
754// Connecting tube ->
755 ptube[0] = 0.0;
756 ptube[1] = 5.4;
cd9c4f3a 757 ptube[2] = 14.6;
7bd7faf8 758 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
759
760 ptube[0] = 0.0;
761 ptube[1] = 4.8;
cd9c4f3a 762 ptube[2] = 14.6;
14b75006 763 gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 764 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
765// <-
766
767 //
768 // Flange ->
cd9c4f3a 769 ptube[0] = 5.41;
7bd7faf8 770 ptube[1] = 7.30;
771 ptube[2] = 2.15;
772 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 773// <-
cd9c4f3a 774 gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY");
775 gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY");
776 gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY");
777 gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY");
fe4da5cc 778
22811e34 779 gMC->Gsatt("QBPM", "SEEN", 1);
780 gMC->Gsatt("QBEM", "SEEN", 1);
fe4da5cc 781}
782
cd9c4f3a 783
fe4da5cc 784
785//___________________________________________
786void AliPIPEv0::CreateMaterials()
787{
7bd7faf8 788 //
13391c3e 789 // Define materials for beam pipe
7bd7faf8 790 //
13391c3e 791
9e1a0ddb 792 if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName());
7bd7faf8 793 Int_t isxfld = gAlice->Field()->Integ();
794 Float_t sxmgmx = gAlice->Field()->Max();
2196bc42 795 // Steel (Inox)
7bd7faf8 796 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
797 Float_t zsteel[4] = { 26.,24.,28.,14. };
798 Float_t wsteel[4] = { .715,.18,.1,.005 };
2196bc42 799 // AlBe - alloy
800 Float_t aAlBe[2] = { 26.98, 9.01};
801 Float_t zAlBe[2] = { 13.00, 4.00};
802 Float_t wAlBe[2] = { 0.4, 0.6};
803
7bd7faf8 804 //
805 // Berillium
806 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
807 //
808 // Carbon
809 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
810 //
811 // Aluminum
812 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
813 //
814 // Air
815 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
816 //
817 // Vacuum
818 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
819 //
820 // stainless Steel
821 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
822 //
823 // reduced density steel to approximate pump getter material
824 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2196bc42 825 // Al-Be alloy
826 //
827 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
7bd7faf8 828 //
829 // ****************
830 // Defines tracking media parameters.
831 //
832 Float_t epsil = .001; // Tracking precision,
833 Float_t stemax = -0.01; // Maximum displacement for multiple scat
834 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
835 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
836 Float_t stmin = -.8;
837 // ***************
838 //
839 // Beryllium
840
841 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
842
843 // Carbon
844 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
845 //
846 // Aluminum
847 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
848 //
849 // Air
850 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
851 //
852 // Vacuum
853 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
854 //
855 // Steel
856 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
857 //
858 // Getter
859 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2196bc42 860 //
861 // AlBe - Aloy
862 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
863
fe4da5cc 864}
865
866
fe4da5cc 867
868
869
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874