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Lateral gap for compensator dipole in Tunnel wall.
[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
eeacf08b 16/* $Id$ */
4c039060 17
eeacf08b 18//-------------------------------------------------------------------------
19// Beam pipe class
20// Default version
21// Author: A.Morsch
22//-------------------------------------------------------------------------
fe4da5cc 23
fe4da5cc 24#include "AliPIPEv0.h"
25#include "AliRun.h"
7bd7faf8 26#include "AliConst.h"
27#include "AliMagF.h"
fe4da5cc 28#include "TSystem.h"
22811e34 29
b16a1b1e 30#include <Riostream.h>
fe4da5cc 31
32ClassImp(AliPIPEv0)
33
34//_____________________________________________________________________________
b8032157 35AliPIPEv0::AliPIPEv0()
fe4da5cc 36{
b43eb0dc 37// Constructor
765e9e1a 38 SetPipeMaterial();
fe4da5cc 39}
40
41//_____________________________________________________________________________
42AliPIPEv0::AliPIPEv0(const char *name, const char *title)
43 : AliPIPE(name,title)
44{
b43eb0dc 45// Constructor
765e9e1a 46 SetPipeMaterial();
fe4da5cc 47}
48
49
50//___________________________________________
51void AliPIPEv0::CreateGeometry()
52{
fe4da5cc 53//Begin_Html
54/*
1439f98e 55<img src="picts/pipe.gif">
fe4da5cc 56*/
57//End_Html
58
59
60//Begin_Html
61/*
1439f98e 62<img src="picts/tree_pipe.gif">
fe4da5cc 63*/
64//End_Html
65
9e1a0ddb 66 if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName());
fe4da5cc 67
fe4da5cc 68
7bd7faf8 69 Int_t *idtmed = fIdtmed->GetArray();
b0090333 70 Float_t ppcon[90], ptube[3], pbox[3];
7bd7faf8 71 Int_t i=0;
72
7bd7faf8 73
74 Int_t idrotm[2099];
75 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
76 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
77 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
78 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
79 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
80 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
81 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
82 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
83 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
84 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
85 idrotm[2011] = 0;
86 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
87 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
614dff1c 88//
89// Bellow
90//
22811e34 91// distance between bellows
eeacf08b 92 const Float_t kdzbb = 9.0;
614dff1c 93// total size of bellow section
eeacf08b 94 const Float_t kdzb = 15.0;
614dff1c 95// size of undulated region
eeacf08b 96 const Float_t kdzub = 2.0;
614dff1c 97
98// half-lengths of various beam pipe sections
99// central Be-Pipe
100 Float_t hlenQbbe1 = 40.;
101 Float_t hlenQbbe2 = 36.5;
102 Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.;
103//
104//
105// Float_t hlenQbt1 = 5.5/2.;
106//
107// Pipe outside central region (non-absober side)
108 Float_t hlenQbab = 157.5;
109//
110// Flange non-absorber side
111 Float_t hlenQb29 = 11.5/2.+1.75 + 5.0;
112//
113// Bellow element
eeacf08b 114 Float_t hlenQbe0 = kdzb;
614dff1c 115//
116// Inox pipe between Be and Bellow (absorber side)
117 Float_t hlenQb24[3] = {10.5/2., 1.8, 3.3};
118//
119//
120 Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.;
121//
122// Position of the pump
eeacf08b 123 Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+kdzb;
614dff1c 124//
125// Inner beam pipe radius
eeacf08b 126 const Float_t kRinBe = 2.9;
127 const Float_t kRinSt = 2.92;
614dff1c 128//
129//
eeacf08b 130 const Float_t kRoutBe = 2.98;
131 const Float_t kRoutSt = 3.00;
22811e34 132
614dff1c 133
134//
135 Float_t dz;
7bd7faf8 136
fe4da5cc 137//
138// The peam pipe up to the Front Absorber
fe4da5cc 139//
7bd7faf8 140// Mother Volume QBPM
614dff1c 141 ppcon[0] = 0;
142 ppcon[1] = 360;
b0090333 143 ppcon[2] = 20;
144// 1
614dff1c 145 ppcon[3] = -90.;
146 ppcon[4] = 0.;
b0090333 147 ppcon[5] = 3.1;
7bd7faf8 148// 2
b0090333 149 ppcon[6] = -84.;
614dff1c 150 ppcon[7] = 0.;
b0090333 151 ppcon[8] = 3.1;
7bd7faf8 152// 3
b0090333 153 ppcon[9] = -84.;
614dff1c 154 ppcon[10] = 0.;
b0090333 155 ppcon[11] = 4.4;
156// 4
157 ppcon[12] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1];
614dff1c 158 ppcon[13] = 0.;
b0090333 159 ppcon[14] = 4.4;
160// 5
161 ppcon[15] = ppcon[12];
614dff1c 162 ppcon[16] = 0.;
b0090333 163 ppcon[17] = 4.1;
22811e34 164// 6
eeacf08b 165 ppcon[18] = ppcon[15] + 2. + 2.*kdzub+0.2;
614dff1c 166 ppcon[19] = 0.;
b0090333 167 ppcon[20] = 4.1;
168// 7
169 ppcon[21] = ppcon[18];
614dff1c 170 ppcon[22] = 0.;
b0090333 171 ppcon[23] = 3.2;
172// 8
eeacf08b 173 ppcon[24] = ppcon[21] + 2.* kdzbb-0.4;
614dff1c 174 ppcon[25] = 0.;
b0090333 175 ppcon[26] = 3.2;
7bd7faf8 176// 9
b0090333 177 ppcon[27] = ppcon[24];
178 ppcon[28] = 0.;
179 ppcon[29] = 4.1;
22811e34 180// 10
b0090333 181 ppcon[30] = -44.;
182 ppcon[31] = 0.;
183 ppcon[32] = 4.1;
22811e34 184// 11
b0090333 185 ppcon[33] = -44.;
7bd7faf8 186 ppcon[34] = 0;
b0090333 187 ppcon[35] = 3.0;
22811e34 188// 12
b0090333 189 ppcon[36] = 38.;
190 ppcon[37] = 0;
191 ppcon[38] = 3.0;
614dff1c 192// 13
b0090333 193 ppcon[39] = 38.;
194 ppcon[40] = 0;
614dff1c 195 ppcon[41] = 3.6;
22811e34 196// 14
b0090333 197 ppcon[42] = hlenQbbe1+2.*hlenQbab-0.1;
614dff1c 198 ppcon[43] = 0.;
199 ppcon[44] = 3.6;
200// 15
201 ppcon[45] = ppcon[42];
202 ppcon[46] = 0.;
b0090333 203 ppcon[47] = 3.6;
22811e34 204// 16
b0090333 205 ppcon[48] = ppcon[45]+2.*hlenQb29-5.;
614dff1c 206 ppcon[49] = 0.;
b0090333 207 ppcon[50] = 3.6;
22811e34 208// 17
b0090333 209 ppcon[51] = ppcon[48];
22811e34 210 ppcon[52] = 0.;
b0090333 211 ppcon[53] = 56.;
22811e34 212// 18
eeacf08b 213 ppcon[54] = ppcon[51]+2.*kdzb+10.;
22811e34 214 ppcon[55] = 0.;
b0090333 215 ppcon[56] = 56.;
216// 19
217 ppcon[57] = ppcon[54];
218 ppcon[58] = 0.;
219 ppcon[59] = 3.6;
220// 20
221 ppcon[60] = 800.;
222 ppcon[61] = 0.;
223 ppcon[62] = 3.6;
7bd7faf8 224
b0090333 225 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,63);
614dff1c 226
227
7bd7faf8 228//
cd9c4f3a 229// volume definitions of various sections
230//
cd9c4f3a 231
614dff1c 232//
233// The Vacuum
234 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0);
235 ptube[0] = 0.0;
eeacf08b 236 ptube[1] = kRinSt;
614dff1c 237 ptube[2] = (90.-hlenQbbe2)/2.;
238 dz = -90. + ptube[2];
239 gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
240 dz = dz + ptube[2];
241
eeacf08b 242 ptube[1] = kRinBe;
614dff1c 243 ptube[2] = hlenQbbe+hlenQbab;
244 dz = dz + ptube[2];
245 gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
246 dz = dz + ptube[2];
247
eeacf08b 248 ptube[1] = kRinSt;
614dff1c 249 ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.;
250 dz = dz + ptube[2];
251 gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
cd9c4f3a 252
614dff1c 253//
254// Be Pipe in central Alice
eeacf08b 255 ptube[0] = kRinBe;
256 ptube[1] = kRoutBe;
cd9c4f3a 257 ptube[2] = hlenQbbe;
7bd7faf8 258
259 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
7bd7faf8 260
261//
614dff1c 262// Support Ring
7bd7faf8 263//
614dff1c 264 // Mother
265 ppcon[0] = 0;
266 ppcon[1] = 360;
267 ppcon[2] = 6;
268// 1:
269 ppcon[3] = -1.;
270 ppcon[4] = 3.0;
271 ppcon[5] = 3.4;
272// 2
273 ppcon[6] = -0.8;
274 ppcon[7] = 3.0;
275 ppcon[8] = 3.4;
276// 3
277 ppcon[9] = -0.8;
278 ppcon[10] = 3.0;
279 ppcon[11] = 3.2;
280// 4
281 ppcon[12] = 0.8;
282 ppcon[13] = 3.0;
283 ppcon[14] = 3.2;
284// 5
285 ppcon[15] = 0.8;
286 ppcon[16] = 3.0;
287 ppcon[17] = 3.4;
288// 6
289 ppcon[18] = 1.0;
290 ppcon[19] = 3.0;
291 ppcon[20] = 3.4;
7bd7faf8 292
7bd7faf8 293
614dff1c 294 gMC->Gsvolu("QBSR", "PCON", idtmed[kC], ppcon,21);
295 gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY");
296 gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY");
297 gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY");
298 gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY");
7bd7faf8 299//
614dff1c 300// Flange and Fixed Point: non absorber side
7bd7faf8 301//
614dff1c 302// ---------->
303//
304// Mother
305 ppcon[0] = 0;
306 ppcon[1] = 360;
307 ppcon[2] = 4;
308// 1:
309 ppcon[3] = -hlenQb29;
eeacf08b 310 ppcon[4] = kRinSt;
614dff1c 311 ppcon[5] = 5.8;
312// 2
313 ppcon[6] = ppcon[3]+3.6;
eeacf08b 314 ppcon[7] = kRinSt;
614dff1c 315 ppcon[8] = 5.8;
316// 3
317 ppcon[9] = ppcon[6];
eeacf08b 318 ppcon[10] = kRinSt;
614dff1c 319 ppcon[11] = 3.6;
320// 4
321 ppcon[12] = hlenQb29;
eeacf08b 322 ppcon[13] = kRinSt;
614dff1c 323 ppcon[14] = 3.6;
7bd7faf8 324
614dff1c 325 gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15);
7bd7faf8 326
7bd7faf8 327
614dff1c 328// Flange
eeacf08b 329 ptube[0] = kRinSt;
614dff1c 330 ptube[1] = 5.7;
331 ptube[2] = 1.75;
332 gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3);
333 gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY");
334// Pipe
eeacf08b 335 ptube[0] = kRinSt;
614dff1c 336 ptube[1] = 3.0;
cd9c4f3a 337 ptube[2] = hlenQb29;
614dff1c 338 gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3);
339 gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY");
340// Fixed point
eeacf08b 341 ptube[0] = kRinSt;
614dff1c 342 ptube[1] = 3.5;
343 ptube[2] = 0.3;
344 gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3);
345 gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY");
22811e34 346
614dff1c 347//
7bd7faf8 348//
cd9c4f3a 349// Inox beam pipe: final section on non-absorber side
7bd7faf8 350
eeacf08b 351 ptube[0] = kRinSt;
352 ptube[1] = kRoutSt;
cd9c4f3a 353 ptube[2] = hlenQb28;
7bd7faf8 354
355 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 356
2196bc42 357
358// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
359//
614dff1c 360// This section is under study (A.M. 1/2/2002)
765e9e1a 361//
362
eeacf08b 363 ptube[0] = kRinBe;
765e9e1a 364 if (fPipeMaterial == kAlu) {
365 ptube[1] = 3.0;
366 } else if (fPipeMaterial == kBe) {
eeacf08b 367 ptube[1] = kRoutBe;
765e9e1a 368 } else if (fPipeMaterial == kInox){
eeacf08b 369 ptube[1] = kRoutSt;
765e9e1a 370 }
cd9c4f3a 371 ptube[2] = hlenQbab;
2196bc42 372
765e9e1a 373 gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3);
2196bc42 374
cd9c4f3a 375// 2.5 mm thick SS tube for hanging pump
614dff1c 376/*
377 ptube[0] = Rin;
7bd7faf8 378 ptube[1] = 3.15;
cd9c4f3a 379 ptube[2] = hlenQb26;
7bd7faf8 380
cd9c4f3a 381 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
614dff1c 382*/
7bd7faf8 383//
384// Bellows
fe4da5cc 385//
22811e34 386//
7bd7faf8 387// Mother Volume
614dff1c 388 Float_t pconQBE0[33];
389 pconQBE0[ 0]= 0;
390 pconQBE0[ 1]= 360;
391 pconQBE0[ 2]= 10;
392// 1
eeacf08b 393 pconQBE0[ 3]= -kdzb;
394 pconQBE0[ 4]= kRinSt;
395 pconQBE0[ 5]= kRoutSt;
614dff1c 396// 2
eeacf08b 397 pconQBE0[ 6]= -kdzb+2.;
398 pconQBE0[ 7]= kRinSt;
399 pconQBE0[ 8]= kRoutSt;
614dff1c 400// 3
eeacf08b 401 pconQBE0[ 9]= -kdzb+2.;
402 pconQBE0[10]= kRinSt;
614dff1c 403 pconQBE0[11]= 4.00;
404// 4
eeacf08b 405 pconQBE0[12]= -kdzb+2.+2.*kdzub;
406 pconQBE0[13]= kRinSt;
614dff1c 407 pconQBE0[14]= 4.00;
408// 5
eeacf08b 409 pconQBE0[15]= -kdzb+2.+2.*kdzub;
410 pconQBE0[16]= kRinSt;
411 pconQBE0[17]= kRoutSt;
614dff1c 412// 6
eeacf08b 413 pconQBE0[18]= -kdzb+2.+2.*kdzub+2.*kdzbb;
414 pconQBE0[19]= kRinSt;
415 pconQBE0[20]= kRoutSt;
614dff1c 416// 7
eeacf08b 417 pconQBE0[21]= -kdzb+2.+2.*kdzub+2.*kdzbb;
418 pconQBE0[22]= kRinSt;
614dff1c 419 pconQBE0[23]= 4.00;
420// 8
eeacf08b 421 pconQBE0[24]= -kdzb+2.+4.*kdzub+2.*kdzbb;
422 pconQBE0[25]= kRinSt;
614dff1c 423 pconQBE0[26]= 4.00;
424// 9
eeacf08b 425 pconQBE0[27]= -kdzb+2.+4.*kdzub+2.*kdzbb;
426 pconQBE0[28]= kRinSt;
427 pconQBE0[29]= kRoutSt;
614dff1c 428// 10
eeacf08b 429 pconQBE0[30]= +kdzb;
430 pconQBE0[31]= kRinSt;
431 pconQBE0[32]= kRoutSt;
614dff1c 432 gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33);
433//
434// Undulated piece mother
eeacf08b 435 ptube[0] = kRinSt;
614dff1c 436 ptube[1] = 4.00;
eeacf08b 437 ptube[2] = kdzub;
7bd7faf8 438 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
eeacf08b 439 dz = -kdzb+2.+kdzub;
614dff1c 440 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY");
441 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY");
442//
443 Float_t pund[30];
444 Float_t uw = 0.02;
eeacf08b 445 Float_t ur = 2.*kdzub-12.*uw;
614dff1c 446 Float_t uz = ur/13.;
447 Float_t ut = uz+uw;
448
449 pund[ 0] = 0;
450 pund[ 1] = 360;
13a638e8 451 pund[ 2] = 8;
614dff1c 452
453 pund[ 3] = -ut;
eeacf08b 454 pund[ 4] = kRinSt;
455 pund[ 5] = kRinSt+uw;
614dff1c 456
457 pund[ 6] = -ut+uz;
458 pund[ 7] = pund[4];
459 pund[ 8] = pund[5];
460
461 pund[ 9] = pund[6];
462 pund[10] = pund[4];
463 pund[11] = 4.0;
464
465 pund[12] = pund[9]+uw;
466 pund[13] = pund[10];
467 pund[14] = pund[11];
468
469 pund[15] = pund[12];
470 pund[16] = 4.0-uw;
471 pund[17] = pund[14];
472
473 pund[18] = pund[12]+uz;
474 pund[19] = pund[16];
475 pund[20] = pund[17];
476
477 pund[21] = pund[18];
eeacf08b 478 pund[22] = kRinSt;
614dff1c 479 pund[23] = pund[20];
480
481 pund[24] = pund[21]+uw;
482 pund[25] = pund[22];
483 pund[26] = pund[23];
614dff1c 484
13a638e8 485 gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27);
614dff1c 486
487 for (i = 0; i < 6; i++)
488 {
eeacf08b 489 dz = -kdzub+(1+2*i)*ut;
614dff1c 490 gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY");
7bd7faf8 491 }
eeacf08b 492 ptube[0] = kRinSt;
493 ptube[1] = kRinSt+uw;
614dff1c 494 ptube[2] = uz;
495 gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3);
eeacf08b 496 gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, kdzub-uz, 0 , "ONLY");
7bd7faf8 497//
614dff1c 498// BeamPipe
499 gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0);
eeacf08b 500 ptube[0] = kRinSt;
501 ptube[1] = kRoutSt;
614dff1c 502 ptube[2] = 1.;
eeacf08b 503 gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -kdzb+1., 0 , "ONLY", ptube, 3);
504 gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, kdzb-1., 0 , "ONLY", ptube, 3);
505 ptube[2] = kdzbb;
614dff1c 506 gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3);
507//
508// End undulated part
509//
510//
511// ----> End Bellow
512//
513// **** Placement of various sections on non-absorber side ****
7bd7faf8 514//
cd9c4f3a 515 //
614dff1c 516 // first the beryllium section
517 Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2;
cd9c4f3a 518 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
519
520 // next meta-metal transition QBT1 on on-absorber side
614dff1c 521// zpos = zpos + hlenQbbe + hlenQbt1;
522// gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
cd9c4f3a 523
524 // Aluminium OR Al-be alloy section
614dff1c 525 zpos = hlenQbbe1+hlenQbab;
cd9c4f3a 526 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 527 //
cd9c4f3a 528 // inox flange at the start of bellow
cd9c4f3a 529 zpos = zpos + hlenQbab + hlenQb29;
614dff1c 530 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY");
531 //
cd9c4f3a 532 // bellow section
cd9c4f3a 533 zpos = zpos + hlenQb29 + hlenQbe0;
614dff1c 534 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY");
535 //
cd9c4f3a 536 // inox flange at the end of bellow and start of thick inox for pump
cd9c4f3a 537 zpos = zpos + hlenQbe0 + hlenQb29;
614dff1c 538 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
539 //
cd9c4f3a 540 //last inox section till 800 cm
cd9c4f3a 541 zpos = zpos + hlenQb29 + hlenQb28;
542 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 543
cd9c4f3a 544//******** end of placement on no-absorber side *********
545
546 //
547 // **** Absorber side *****
548 //
549 //
614dff1c 550/*
cd9c4f3a 551 // metal-metal transition : Be-Alu on absorber side
552 // Mother Volume
553 ptube[0] = 2.900;
554 ptube[1] = 4.200;
555 ptube[2] = 2.750;
556 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
557 // z = 43.3 - 48.8
558 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-ptube[2], idrotm[2012], "ONLY");
559
560 ptube[0] = 2.900;
561 ptube[1] = 3.150;
562 ptube[2] = 0.375;
563 //
564 // Be-part
565 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
566
567 ptube[1] = 3.000;
568 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
569
570 gMC->Gspos("QBA2", 1, "QB02", 0., 0., 0, 0, "ONLY");
571// z = -2.75 -> -2.00
572 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
573
574 // Alu part
575 ptube[0] = 2.900;
576 ptube[1] = 3.150;
577 ptube[2] = 2.375;
578// z = -2.00 -> 2.75
579 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
580 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
581
582
583 ptube[0] = 3.15;
584 ptube[1] = 3.50;
585 ptube[2] = 0.10;
586// z = 2.55 -> 2.75
587 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
588 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
589
590
591 // Fixation
592 ptube[0] = 0.0;
593 ptube[1] = 0.1;
594 ptube[2] = 0.5;
595
596 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
597 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
598 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
599 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
600
601 // Carbon ring
602 ptube[0] = 3.15;
603 ptube[1] = 4.10;
604 ptube[2] = 0.55;
605
606 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
607
608 ptube[0] = 3.15;
609 ptube[1] = 3.50;
610 ptube[2] = 0.10;
611 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
612 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
613 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
614dff1c 614 */
615//
616// Beam pipes between elements
617//
cd9c4f3a 618
614dff1c 619 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0);
eeacf08b 620 ptube[0] = kRinSt;
621 ptube[1] = kRoutSt;
614dff1c 622 ptube[2] = hlenQb24[0];
623 dz = hlenQbbe2 + ptube[2];
624 gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
625//
626// Bellow on absorber side
eeacf08b 627 dz = dz+hlenQb24[0] + kdzb;
614dff1c 628 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
629//
630 ptube[2] = hlenQb24[1];
eeacf08b 631 dz = dz + kdzb + ptube[2];
614dff1c 632 gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
633 dz = dz + ptube[2];
7bd7faf8 634
7bd7faf8 635//
7bd7faf8 636// Flange
637//
638// Mother Volume
eeacf08b 639 ptube[0] = kRinSt;
7bd7faf8 640 ptube[1] = 4.300;
614dff1c 641 ptube[2] = 1.4;
7bd7faf8 642
614dff1c 643 gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3);
644 dz = dz + ptube[2];
645 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
646 dz = dz + ptube[2];
7bd7faf8 647//
614dff1c 648//
eeacf08b 649 ptube[0] = kRinSt;
650 ptube[1] = kRoutSt;
614dff1c 651 ptube[2] = hlenQb24[2];
652 dz = dz + ptube[2];
653 gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
cd9c4f3a 654
655
fe4da5cc 656// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
cd9c4f3a 657// by rotating it to 180 deg. and make it invisible
fe4da5cc 658//
7bd7faf8 659 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
fddcf8f7 660 gMC->Gsbool("QBPM", "L3DX");
661 gMC->Gsbool("QBPM", "L3O3");
662 gMC->Gsbool("QBPM", "L3O4");
7bd7faf8 663
cd9c4f3a 664
7bd7faf8 665//
cd9c4f3a 666// ******** Ion Pump volume description starts here ******
7bd7faf8 667//
7bd7faf8 668 //
669 // Getters ->
670 pbox[0] = 6.50;
671 pbox[1] = 6.75;
672 pbox[2] = 15.60;
673 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
674
675 pbox[0] = 5.90;
676 pbox[1] = 6.15;
677 pbox[2] = 15.00;
678 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
679 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
680// <-
681
682 ptube[0] = 0.0;
683 ptube[1] = 19.0;
684 ptube[2] = 2.5;
685 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
686
687
688 ptube[0] = 0.0;
689 ptube[1] = 15.0;
690 ptube[2] = 2.5;
14b75006 691 gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 692 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
693//
694// Connecting tube ->
695 ptube[0] = 0.0;
696 ptube[1] = 5.4;
cd9c4f3a 697 ptube[2] = 14.6;
7bd7faf8 698 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
699
700 ptube[0] = 0.0;
701 ptube[1] = 4.8;
cd9c4f3a 702 ptube[2] = 14.6;
14b75006 703 gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 704 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
705// <-
706
707 //
708 // Flange ->
cd9c4f3a 709 ptube[0] = 5.41;
7bd7faf8 710 ptube[1] = 7.30;
711 ptube[2] = 2.15;
712 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 713// <-
cd9c4f3a 714 gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY");
715 gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY");
716 gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY");
717 gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY");
fe4da5cc 718
22811e34 719 gMC->Gsatt("QBPM", "SEEN", 1);
720 gMC->Gsatt("QBEM", "SEEN", 1);
fe4da5cc 721}
722
cd9c4f3a 723
fe4da5cc 724
725//___________________________________________
726void AliPIPEv0::CreateMaterials()
727{
7bd7faf8 728 //
13391c3e 729 // Define materials for beam pipe
7bd7faf8 730 //
13391c3e 731
9e1a0ddb 732 if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName());
7bd7faf8 733 Int_t isxfld = gAlice->Field()->Integ();
734 Float_t sxmgmx = gAlice->Field()->Max();
2196bc42 735 // Steel (Inox)
7bd7faf8 736 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
737 Float_t zsteel[4] = { 26.,24.,28.,14. };
738 Float_t wsteel[4] = { .715,.18,.1,.005 };
2196bc42 739 // AlBe - alloy
740 Float_t aAlBe[2] = { 26.98, 9.01};
741 Float_t zAlBe[2] = { 13.00, 4.00};
742 Float_t wAlBe[2] = { 0.4, 0.6};
743
7bd7faf8 744 //
745 // Berillium
746 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
747 //
748 // Carbon
749 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
750 //
751 // Aluminum
752 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
753 //
754 // Air
755 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
756 //
757 // Vacuum
758 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
759 //
760 // stainless Steel
761 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
762 //
763 // reduced density steel to approximate pump getter material
764 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2196bc42 765 // Al-Be alloy
766 //
767 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
7bd7faf8 768 //
769 // ****************
770 // Defines tracking media parameters.
771 //
772 Float_t epsil = .001; // Tracking precision,
773 Float_t stemax = -0.01; // Maximum displacement for multiple scat
774 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
775 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
776 Float_t stmin = -.8;
777 // ***************
778 //
779 // Beryllium
780
781 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
782
783 // Carbon
784 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
785 //
786 // Aluminum
787 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
788 //
789 // Air
790 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
791 //
792 // Vacuum
793 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
794 //
795 // Steel
796 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
797 //
798 // Getter
799 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2196bc42 800 //
801 // AlBe - Aloy
802 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
803
fe4da5cc 804}
805
806
fe4da5cc 807
808
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814