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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$Log$
2c668420 18Revision 1.20 2000/11/06 17:24:10 kowal2
19Corrected bug in the outer containment vessel and
20the outer field cage geometry.
21Thanks to J. Barbosa.
22
720b23b8 23Revision 1.19 2000/11/02 16:55:24 kowal2
24Corrected bug in the inner containment vessel geometry.
25Thanks to J. Belikov
26
08db548a 27Revision 1.18 2000/11/02 07:24:11 kowal2
28Correction in the TPC geometry.
29Changes due to the new hit structure.
30
6a905708 31Revision 1.17 2000/07/10 20:57:39 hristov
32Update of TPC code and macros by M.Kowalski
33
37831078 34Revision 1.16 2000/06/30 12:07:50 kowal2
35Updated from the TPC-PreRelease branch
36
73042f01 37Revision 1.15.2.4 2000/06/26 07:39:42 kowal2
38Changes to obey the coding rules
39
40Revision 1.15.2.3 2000/06/25 08:38:41 kowal2
41Splitted from AliTPCtracking
42
43Revision 1.15.2.2 2000/06/16 12:58:13 kowal2
44Changed parameter settings
45
46Revision 1.15.2.1 2000/06/09 07:15:07 kowal2
47
48Defaults loaded automatically (hard-wired)
49Optional parameters can be set via macro called in the constructor
50
51Revision 1.15 2000/05/15 10:00:30 kowal2
52Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova
53
e94dd9ca 54Revision 1.14 2000/04/17 09:37:33 kowal2
55removed obsolete AliTPCDigitsDisplay.C
56
cc80f89e 57Revision 1.13.8.2 2000/04/10 08:33:44 kowal2
58
59Updated readout chambers
60
61Revision 1.13.8.1 2000/04/10 07:56:53 kowal2
62Not used anymore - removed
63
64Revision 1.13 1999/11/04 17:28:06 fca
65Correct barrel part of HV Degrader
66
a5371c42 67Revision 1.12 1999/10/08 06:27:23 fca
68Corrected bug in the HV degrader geometry, thanks to G.Tabary
69
d183a600 70Revision 1.11 1999/10/04 13:39:54 fca
71Correct array index problem
72
cdde5b1e 73Revision 1.10 1999/09/29 09:24:34 fca
74Introduction of the Copyright and cvs Log
75
4c039060 76*/
73042f01 77//
4c039060 78
fe4da5cc 79///////////////////////////////////////////////////////////////////////////////
80// //
81// Time Projection Chamber version 0 -- "coarse" TPC //
82// //
83//Begin_Html
84/*
1439f98e 85<img src="picts/AliTPCv0Class.gif">
fe4da5cc 86*/
87//End_Html
88// //
89// //
90///////////////////////////////////////////////////////////////////////////////
91
92#include <TMath.h>
93#include <TGeometry.h>
94#include <TNode.h>
95#include <TTUBE.h>
96#include "AliTPCv0.h"
97#include "AliRun.h"
98#include <iostream.h>
99#include <fstream.h>
fe4da5cc 100#include "AliMC.h"
101#include "AliConst.h"
102
73042f01 103#include "AliTPCParamSR.h"
cc80f89e 104#include "AliTPCDigitsArray.h"
1283eee5 105
fe4da5cc 106ClassImp(AliTPCv0)
107
108//_____________________________________________________________________________
109AliTPCv0::AliTPCv0(const char *name, const char *title)
110 :AliTPC(name, title)
111{
112 //
113 // Standard creator for TPC version 0
114 //
73042f01 115
116 SetGasMixt(2,20,10,-1,0.9,0.1,0.);
117
118 if (fTPCParam)
119 fTPCParam->Write(fTPCParam->GetTitle());
fe4da5cc 120}
121
122//_____________________________________________________________________________
123void AliTPCv0::CreateGeometry()
124{
125 //
37831078 126 // Creation of the TPC version 0, i.e. no sensitive volumes,
127 // only the material distribution
fe4da5cc 128 //
129 //Begin_Html
130 /*
37831078 131 <img src="picts/AliTPC.gif">
fe4da5cc 132 */
133 //End_Html
134 //Begin_Html
135 /*
1439f98e 136 <img src="picts/AliTPCv0Tree.gif">
fe4da5cc 137 */
138 //End_Html
139
37831078 140 //---------------------------------------------------------------
141 // TPC geometry
142 //
143 // Origin: Marek Kowalski, INP Cracow
144 // Marek.Kowalski@ifj.edu.pl
145 //---------------------------------------------------------------
fe4da5cc 146
37831078 147 Float_t dm[50];
1283eee5 148
37831078 149 Int_t *idtmed = fIdtmed->GetArray(); // TPC media
1283eee5 150
37831078 151 Int_t idrotm[120]; // rotation matrices
1283eee5 152
37831078 153 Int_t nRotMat = 0; // actual number of rotation matrices
1283eee5 154
1283eee5 155
37831078 156 //
157 // Mother volume (Air) - all volumes will be positioned in it
158 //
159
160 dm[0]=0.;
161 dm[1]=360.;
162 dm[2]=12.;
1283eee5 163
37831078 164 //
165
166 dm[3]= -283.7;
167 dm[4]= 66.2;
168 dm[5]= 277.95;
1283eee5 169
37831078 170 //
1283eee5 171
37831078 172 dm[6]= -255.6;
173 dm[7]= 66.2;
174 dm[8]= 277.95;
1283eee5 175
37831078 176 //
1283eee5 177
37831078 178 dm[9]= -73.3;
179 dm[10]= 59.0;
180 dm[11]= 277.95;
1283eee5 181
37831078 182 //
fe4da5cc 183
37831078 184 dm[12]= -73.3;
185 dm[13]= 56.9;
186 dm[14]= 277.95;
1283eee5 187
37831078 188 //
1283eee5 189
37831078 190 dm[15]= -72.1;
191 dm[16]= 56.9;
192 dm[17]= 277.95;
1283eee5 193
37831078 194 //
1283eee5 195
37831078 196 dm[18]= -72.1;
197 dm[19]= 60.65;
198 dm[20]= 277.95;
1283eee5 199
37831078 200 //
fe4da5cc 201
37831078 202 dm[21]= 72.1;
203 dm[22]= 60.65;
204 dm[23]= 277.95;
1283eee5 205
37831078 206 //
1283eee5 207
37831078 208 dm[24]= 72.1;
209 dm[25]= 56.9;
210 dm[26]= 277.95;
1283eee5 211
37831078 212 //
1283eee5 213
37831078 214 dm[27]= 73.3;
215 dm[28]= 56.9;
216 dm[29]= 277.95;
1283eee5 217
37831078 218 //
1283eee5 219
37831078 220 dm[30]= 73.3;
221 dm[31]= 60.65;
222 dm[32]= 277.95;
1283eee5 223
37831078 224 //
1283eee5 225
37831078 226 dm[33]= 250.4;
227 dm[34]= 66.0;
228 dm[35]= 277.95;
1283eee5 229
37831078 230 //
1283eee5 231
37831078 232 dm[36]= 283.7;
233 dm[37]= 66.0;
234 dm[38]= 277.95;
1283eee5 235
1283eee5 236
37831078 237 gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,39);
1283eee5 238
239
37831078 240 //-------------------------------------------------------------------
241 // Tpc Outer INsulator (CO2)
242 //-------------------------------------------------------------------
1283eee5 243
37831078 244 dm[0]= 0.;
245 dm[1]= 360.;
246 dm[2]= 6.;
1283eee5 247
37831078 248 //
249
250 dm[3]= -253.6;
251 dm[4]= 258.;
252 dm[5]= 266.65;
1283eee5 253
37831078 254 //
1283eee5 255
37831078 256 dm[6]= -253.;
257 dm[7]= 258.;
258 dm[8]= 266.65;
1283eee5 259
37831078 260 dm[9]= -253.;
261 dm[10]= 258.;
262 dm[11]= 277.97;
1283eee5 263
37831078 264 dm[12]= 253.6;
265 dm[13]= 258.;
266 dm[14]= 277.97;
1283eee5 267
37831078 268 //
cc80f89e 269
37831078 270 dm[15]= 253.6;
271 dm[16]= 265.2;
272 dm[17]= 277.95;
1283eee5 273
37831078 274 //
1283eee5 275
37831078 276 dm[18]= 255.6;
277 dm[19]= 265.2;
278 dm[20]= 277.95;
1283eee5 279
1283eee5 280
37831078 281 gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21);
cc80f89e 282
37831078 283 //---------------------------------------------------------------
284 // shreds (G10) - TPC Rings
285 //---------------------------------------------------------------
1283eee5 286
37831078 287 gMC->Gsvolu("TPCR","TUBE",idtmed[12],dm,0);
1283eee5 288
37831078 289 dm[0]= 258.;
290 dm[1]= 266.65;
291 dm[2]= 0.3;
1283eee5 292
37831078 293 gMC->Gsposp("TPCR",1,"TOIN",0.,0.,-253.3,0,"ONLY",dm,3); // left bottom
1283eee5 294
37831078 295 //
1283eee5 296
37831078 297 dm[0]= 258.;
298 dm[1]= 270.9;
299 dm[2]= 0.3;
1283eee5 300
37831078 301 gMC->Gsposp("TPCR",2,"TOIN",0.,0.,253.3,0,"ONLY",dm,3); // right
1283eee5 302
37831078 303 //
1283eee5 304
37831078 305 dm[0]= 272.2;
306 dm[1]= 277.95;
307 dm[2]= 0.3;
1283eee5 308
37831078 309 gMC->Gsposp("TPCR",3,"TOIN",0.,0.,-250.7,0,"ONLY",dm,3); // left top
1283eee5 310
37831078 311 //----------------------------------------------------------------
312 // Tpc Outer Contaiment Vessel
313 // mother volume - Al, daughters - composite (sandwich)
314 //----------------------------------------------------------------
315
316 dm[0]= 0.;
317 dm[1]= 360.;
720b23b8 318 dm[2]=6.;
37831078 319
320 //
321
322 dm[3]= -250.4;
323 dm[4]= 272.2;
324 dm[5]= 277.95;
325
326 //
327
328 dm[6]= -248.4;
329 dm[7]= 272.2;
330 dm[8]= 277.95;
331
332 //
720b23b8 333 dm[9]= -248.4;
334 dm[10]= 274.81;
335 dm[11]= 277.95;
336
37831078 337
338 //
1283eee5 339
37831078 340 dm[12]= 253.6;
720b23b8 341 dm[13]= 274.81;
37831078 342 dm[14]= 277.95;
1283eee5 343
720b23b8 344 //
37831078 345
720b23b8 346 dm[15]= 253.6;
37831078 347 dm[16]= 265.2;
348 dm[17]= 277.95;
349
720b23b8 350 //
351
352 dm[18]= 255.6;
353 dm[19]= 265.2;
354 dm[20]= 277.95;
355
356 gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21);
37831078 357
358 // Daughter volumes
359
360 // Tpc SAndwich 1 - Al
1283eee5 361
37831078 362 dm[0]= 274.81;
363 dm[1]= 277.95;
364 dm[2]= 251.7;
1283eee5 365
37831078 366 gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3);
1283eee5 367
37831078 368 // Tpc SAndwich 2 - Tedlar
1283eee5 369
37831078 370 dm[0] += 5.e-3;
371 dm[1] -= 5.e-3;
372
373 gMC->Gsvolu("TSA2","TUBE",idtmed[9],dm,3);
1283eee5 374
37831078 375 // Tpc SAndwich 3 - Kevlar
1283eee5 376
37831078 377 dm[0] += 5e-3;
378 dm[1] -= 5.e-3;
1283eee5 379
37831078 380 gMC->Gsvolu("TSA3","TUBE",idtmed[5],dm,3);
1283eee5 381
37831078 382 // Tpc SAndwich 4 - NOMEX honeycomb
383
384 dm[0] += 0.06;
385 dm[1] -= 0.06;
386
2c668420 387 gMC->Gsvolu("TSA4","TUBE",idtmed[6],dm,3);
37831078 388
389 // 4->3->2->1->TOCV
390
391 gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY");
392 gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY");
393 gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY");
394
395 gMC->Gspos("TSA1",1,"TOCV",0.,0.,2.6,0,"ONLY");
396
397 // TCOV-> TOIN
398
399 gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY");
400
401 //-------------------------------------------------------
402 // Tpc Outer Field Cage
403 // mother volume - Al, daughters - composite (sandwich)
404 //-------------------------------------------------------
405
406 dm[0]=0.;
407 dm[1]=360.;
408 dm[2]=6.;
409
410 dm[3]= -253.;
411 dm[4]= 258.;
412 dm[5]= 277.95;
413
414 //
1283eee5 415
37831078 416 dm[6]= -251.;
417 dm[7]= 258.;
418 dm[8]= 277.95;
1283eee5 419
37831078 420 //
1283eee5 421
37831078 422 dm[9]= -251.;
423 dm[10]= 258.;
424 dm[11]= 260.05;
425
426 //
427
428 dm[12]= 251.;
429 dm[13]= 258.;
430 dm[14]= 260.05;
1283eee5 431
37831078 432 //
1283eee5 433
37831078 434 dm[15]= 251.;
435 dm[16]= 258.;
720b23b8 436 dm[17]= 270.9;
1283eee5 437
37831078 438 //
439
440 dm[18]= 253.;
441 dm[19]= 258.;
442 dm[20]= 270.9;
443
444 gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21);
445
446 // Daughter volumes
447
6a905708 448 // Tpc SAndwich 5 - Tedlar
37831078 449
450 dm[0]= 258.;
451 dm[1]= 260.05;
452 dm[2]= 251.7;
453
6a905708 454 gMC->Gsvolu("TSA5","TUBE",idtmed[9],dm,3);
37831078 455
6a905708 456 // Tpc SAndwich 6 - Kevlar
37831078 457
458 dm[0] += 5.e-3;
459 dm[1] -= 5.e-3;
460
6a905708 461 gMC->Gsvolu("TSA6","TUBE",idtmed[5],dm,3);
37831078 462
37831078 463
6a905708 464 // Tpc SAndwich 7 - NOMEX
37831078 465
466 dm[0] += 0.02;
467 dm[1] -= 0.02;
468
6a905708 469 gMC->Gsvolu("TSA7","TUBE",idtmed[6],dm,3);
37831078 470
6a905708 471 // 7->6->5->TOFC
37831078 472
37831078 473 gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY");
474 gMC->Gspos("TSA6",1,"TSA5",0.,0.,0.,0,"ONLY");
475
476 gMC->Gspos("TSA5",1,"TOFC",0.,0.,0.,0,"ONLY");
477
478 // TOFC->TOIN
479
480 gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY");
481
482 // TOIN->TPC
483
484 gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY");
485
486 //--------------------------------------------------------------------
487 // Tpc Inner INsulator (CO2)
488 //--------------------------------------------------------------------
1283eee5 489
1283eee5 490
37831078 491 dm[0]=0.;
492 dm[1]= 360.;
493 dm[2]= 15.;
1283eee5 494
37831078 495 //
496
497 dm[3]= -255.6;
498 dm[4]= 66.2;
499 dm[5]= 74.8;
1283eee5 500
501 //
37831078 502
503 Float_t tanL = (66.2-59.0)/(255.6-73.3); // tangent of the left cone part
504
505 dm[6]= -253.6;
506 dm[7]= 59.0+ (253.6-73.3)*tanL;
507 dm[8]= 74.8;
508
1283eee5 509 //
510
37831078 511 dm[9]= -253.6;
512 dm[10]= dm[7];
513 dm[11]= 79.2;
514
515 //
1283eee5 516
37831078 517 dm[12]= -73.3;
518 dm[13]= 59.0;
519 dm[14]= 79.2;
1283eee5 520
37831078 521 //
1283eee5 522
37831078 523 dm[15]= -73.3;
524 dm[16]= 56.9;
525 dm[17]= 79.2;
1283eee5 526
37831078 527 //
528
529 dm[18]= -72.1;
530 dm[19]= 59.6;
531 dm[20]= 79.2;
532
533 //
534
535 dm[21]= -72.1;
536 dm[22]= 60.65;
537 dm[23]= 79.2;
538
539 //
1283eee5 540
37831078 541 dm[24]= 72.1;
542 dm[25]= 60.65;
543 dm[26]= 79.2;
1283eee5 544
37831078 545 //
1283eee5 546
37831078 547 dm[27]= 72.1;
548 dm[28]= 59.6;
549 dm[29]= 79.2;
1283eee5 550
551 //
37831078 552
553 dm[30]= 73.3;
554 dm[31]= 56.9;
555 dm[32]= 79.2;
556
1283eee5 557 //
558
37831078 559 dm[33]= 73.3;
560 dm[34]= 59.0;
561 dm[35]= 79.2;
1283eee5 562
37831078 563 //
564
565 dm[36]= 250.4;
566 dm[37]= 66.0;
567 dm[38]= 79.2;
1283eee5 568
37831078 569 //
fe4da5cc 570
37831078 571 dm[39]= 253.0;
572 dm[40]= 66.0;
573 dm[41]= 79.2;
574
575 //
1283eee5 576
37831078 577 dm[42]= 253.0;
578 dm[43]= 75.3;
579 dm[44]= 79.2;
1283eee5 580
37831078 581 //
1283eee5 582
37831078 583 dm[45]= 253.6;
584 dm[46]= 75.3;
585 dm[47]= 79.2;
1283eee5 586
37831078 587 gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,48);
1283eee5 588
1283eee5 589
37831078 590 //--------------------------------------------------------------------
591 // Tpc Inner Containment vessel, Left part
592 // mother volume - Al, daughter - composite (sandwich)
593 //--------------------------------------------------------------------
594
595 dm[0]= 0.;
596 dm[1]= 360.;
597 dm[2]= 8.;
1283eee5 598
37831078 599 //
1283eee5 600
37831078 601 dm[3]= -255.6;
602 dm[4]= 66.2;
603 dm[5]= 74.8;
1283eee5 604
37831078 605 //
606
607 Float_t cosL = 1./TMath::Sqrt(1.+tanL*tanL);
608 Float_t sandThick = 2.14; // cone composite thickness
1283eee5 609
1283eee5 610
37831078 611 //
1283eee5 612
37831078 613 dm[6]= -253.6;
614 dm[7]= 59.0 + (253.6-73.3)*tanL;
615 dm[8]= 74.8;
1283eee5 616
37831078 617 //
1283eee5 618
37831078 619 dm[9]= -253.6;
620 dm[10]= dm[7];
621 dm[11]= dm[7]+sandThick/cosL;
1283eee5 622
37831078 623 //
1283eee5 624
37831078 625 dm[12]= -75.6;
626 dm[13]= 59.0+(75.6-73.3)*tanL;
627 dm[14]= dm[13]+sandThick/cosL;
1283eee5 628
37831078 629 //
1283eee5 630
37831078 631 dm[15]= -75.6;
632 dm[16]= dm[13];
633 dm[17]= 60.65;
1283eee5 634
37831078 635 //
1283eee5 636
37831078 637 dm[18]= -73.3;
638 dm[19]= 59.0;
639 dm[20]= 60.65;
1283eee5 640
37831078 641 //
1283eee5 642
37831078 643 dm[21]= -73.3;
644 dm[22]= 56.9;
645 dm[23]= 60.65;
1283eee5 646
37831078 647 //
1283eee5 648
37831078 649 dm[24]= -72.1;
650 dm[25]= 56.9;
651 dm[26]= 60.65;
1283eee5 652
37831078 653 gMC->Gsvolu("TICL","PCON",idtmed[4],dm,27);
1283eee5 654
37831078 655 // Daughter volumes
656
657 // Tpc SAndwich 9 - Al
658
659 dm[0]= 0.;
660 dm[1]= 360.;
661 dm[2]= 2.;
662
663 //
1283eee5 664
37831078 665 dm[3]= - 254.3;
666 dm[4]= 59.0+(254.3-73.3)*tanL;
667 dm[5]= dm[4]+sandThick/cosL;
fe4da5cc 668
37831078 669 //
670
671 dm[6]= -78.3;
672 dm[7]= 59.0+(78.3-73.3)*tanL;
673 dm[8]= dm[7]+sandThick/cosL;
674
675 //
676
677 gMC->Gsvolu("TSA9","PCON",idtmed[4],dm,9);
678
679 // Tpc SAndwich 10 - Tedlar
680
681 dm[4]+= 5.e-3/cosL;
682 dm[5]-= 5.e-3/cosL;
683
684 //
685
686 dm[7]+= 5.e-3/cosL;
687 dm[8]+= 5.e-3/cosL;
688
689 gMC->Gsvolu("TS10","PCON",idtmed[9],dm,9);
690
691 // Tpc SAndwich 11 - Kevlar
1283eee5 692
37831078 693 dm[4]+= 5.e-3/cosL;
694 dm[5]-= 5.e-3/cosL;
1283eee5 695
37831078 696 //
697
698 dm[7]+= 5.e-3/cosL;
699 dm[8]+= 5.e-3/cosL;
1283eee5 700
37831078 701 gMC->Gsvolu("TS11","PCON",idtmed[5],dm,9);
1283eee5 702
37831078 703 // Tpc SAndwich 12 - NOMEX
704
705 dm[4]+= 0.06/cosL;
706 dm[5]-= 0.06/cosL;
1283eee5 707
708 //
709
37831078 710 dm[7]+= 0.06/cosL;
711 dm[8]+= 0.06/cosL;
712
713 gMC->Gsvolu("TS12","PCON",idtmed[6],dm,9);
1283eee5 714
37831078 715 // 12->11->10->9
716
717 gMC->Gspos("TS12",1,"TS11",0.,0.,0.,0,"ONLY");
718 gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY");
719 gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY");
720
721 // TSA9->TICL
722
723 gMC->Gspos("TSA9",1,"TICL",0.,0.,0.,0,"ONLY");
1283eee5 724
37831078 725 //--------------------------------------------------------------------
726 // Tpc Inner Containment vessel, Right part
727 // mother volume - Al, daughter - composite (sandwich)
728 //--------------------------------------------------------------------
1283eee5 729
37831078 730 dm[0]= 0.;
731 dm[1]= 360.;
732 dm[2]=8.;
1283eee5 733
37831078 734 //
1283eee5 735
37831078 736 dm[3]= 72.1;
737 dm[4]= 56.9;
738 dm[5]= 60.65;
1283eee5 739
37831078 740 //
1283eee5 741
37831078 742 dm[6]= 73.3;
743 dm[7]= 56.9;
744 dm[8]= 60.65;
1283eee5 745
37831078 746 //
1283eee5 747
37831078 748 dm[9]= 73.3;
749 dm[10]= 59.0;
750 dm[11]= 60.65;
1283eee5 751
37831078 752 //
1283eee5 753
37831078 754 Float_t tanR = (66.0-59.0)/(250.5-73.3); // to avoid accuracy problems
755 Float_t cosR = 1./TMath::Sqrt(1.+tanR*tanR); //as above
1283eee5 756
37831078 757 //
1283eee5 758
37831078 759 dm[12]= 75.6;
760 dm[13]= 59.0+(75.6-73.3)*tanR;
761 dm[14]= 60.65;
1283eee5 762
37831078 763 //
1283eee5 764
37831078 765 dm[15]= 75.6;
766 dm[16]= dm[13];
767 dm[17]= dm[16]+sandThick/cosR;
1283eee5 768
37831078 769 //
1283eee5 770
37831078 771 dm[18]= 248.4;
772 dm[19]= 59.0+(248.4-73.3)*tanR;
773 dm[20]= dm[19]+sandThick/cosR;
1283eee5 774
37831078 775 //
1283eee5 776
37831078 777 dm[21]= 248.4;
778 dm[22]= dm[19];
779 dm[23]= 70.2;
1283eee5 780
37831078 781 //
1283eee5 782
37831078 783 dm[24]= 250.4;
784 dm[25]= 66.0;
785 dm[26]= 70.2;
1283eee5 786
37831078 787 gMC->Gsvolu("TICR","PCON",idtmed[4],dm,27);
1283eee5 788
1283eee5 789
1283eee5 790
37831078 791 // Daughter volumes
1283eee5 792
37831078 793 // Tpc SAndwich 13 - Al
1283eee5 794
37831078 795 dm[0]= 0.;
796 dm[1]= 360.;
797 dm[2]= 2.;
1283eee5 798
37831078 799 //
1283eee5 800
37831078 801 dm[3]= 78.3;
802 dm[4]= 59.0+(78.3-73.3)*tanR;
803 dm[5]= dm[4]+sandThick/cosR;
1283eee5 804
37831078 805 //
1283eee5 806
37831078 807 dm[6]= 249.1;
808 dm[7]= 59.0+(249.1-73.3)*tanR;
809 dm[8]= dm[7]+sandThick/cosR;
1283eee5 810
37831078 811 //
1283eee5 812
37831078 813 gMC->Gsvolu("TS13","PCON",idtmed[4],dm,9);
1283eee5 814
37831078 815 // Tpc SAndwich 14 - Tedlar
1283eee5 816
37831078 817 dm[4]+= 5.e-3/cosR;
818 dm[5]-= 5.e-3/cosR;
1283eee5 819
37831078 820 //
1283eee5 821
37831078 822 dm[7]+= 5.e-3/cosR;
823 dm[8]+= 5.e-3/cosR;
1283eee5 824
37831078 825 gMC->Gsvolu("TS14","PCON",idtmed[9],dm,9);
1283eee5 826
37831078 827 // Tpc SAndwich 15 - Kevlar
1283eee5 828
37831078 829 dm[4]+= 5.e-3/cosR;
830 dm[5]-= 5.e-3/cosR;
1283eee5 831
37831078 832 //
1283eee5 833
37831078 834 dm[7]+= 5.e-3/cosR;
835 dm[8]+= 5.e-3/cosR;
1283eee5 836
37831078 837 gMC->Gsvolu("TS15","PCON",idtmed[5],dm,9);
1283eee5 838
37831078 839 // Tpc SAndwich 16 - NOMEX
1283eee5 840
37831078 841 dm[4]+= 0.06/cosR;
842 dm[5]-= 0.06/cosR;
1283eee5 843
37831078 844 //
1283eee5 845
37831078 846 dm[7]+= 0.06/cosR;
847 dm[8]+= 0.06/cosR;
1283eee5 848
37831078 849 gMC->Gsvolu("TS16","PCON",idtmed[6],dm,9);
1283eee5 850
37831078 851 // 16->15->14->13
1283eee5 852
37831078 853 gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY");
854 gMC->Gspos("TS15",1,"TS14",0.,0.,0.,0,"ONLY");
855 gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY");
1283eee5 856
37831078 857 // TS12->TICR
858
859 gMC->Gspos("TS13",1,"TICR",0.,0.,0.,0,"ONLY");
860
861 //------------------------------------------------------
862 // Tpc Inner Field Cage
863 // mother volume - Al, daughters - composite (sandwich)
864 //------------------------------------------------------
865
866 dm[0]= 0.;
867 dm[1]= 360.;
868 dm[2]=6.;
869
870 //
871
872 dm[3]= -253.0;
873 dm[4]= 70.7;
874 dm[5]= 79.2;
875
876 //
1283eee5 877
37831078 878 dm[6]= -251.0;
879 dm[7]= 70.7;
880 dm[8]= 79.2;
881
882 //
883
884 dm[9]= -251.0;
885 dm[10]= 77.15;
886 dm[11]= 79.2;
887
888 //
fe4da5cc 889
37831078 890 dm[12]= 251.0;
891 dm[13]= 77.15;
892 dm[14]= 79.2;
893
894 //
895
896 dm[15]= 251.0;
897 dm[16]= 66.0;
898 dm[17]= 79.2;
899
900 //
901
902 dm[18]= 253.0;
903 dm[19]= 66.0;
904 dm[20]= 79.2;
905
906 gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,21);
907
908 // Daughter volumes
909
6a905708 910 // Tpc Sandwich 17 - Tedlar
37831078 911
912 dm[0]= 77.15;
913 dm[1]= 79.2;
914 dm[2]= 251.7;
915
6a905708 916 gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3);
37831078 917
6a905708 918 // Tpc Sandwich 18 - Kevlar
37831078 919
920 dm[0]+= 5.e-3;
921 dm[1]-= 5.e-3;
922
6a905708 923 gMC->Gsvolu("TS18","TUBE",idtmed[5],dm,3);
37831078 924
37831078 925
6a905708 926 // Tpc Sandwich 19 - NOMEX
37831078 927
6a905708 928 dm[0]+= 0.02;
929 dm[1]-= 0.02;
37831078 930
6a905708 931 gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3);
37831078 932
6a905708 933 // 19->18->17
37831078 934
37831078 935 gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY");
936 gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY");
937
938 // TS17->TIFC
939
940 gMC->Gspos("TS17",1,"TIFC",0.,0.,0.,0,"ONLY");
941
942 // TPC Rings
943
944 dm[0]= 70.7;
945 dm[1]= 79.2;
946 dm[2]= 0.3;
947
948 gMC->Gsposp("TPCR",4,"TIIN",0.,0.,-253.3,0,"ONLY",dm,3);
949
950 dm[0]= 66.0;
951 dm[1]= 70.2;
952
953 gMC->Gsposp("TPCR",5,"TIIN",0.,0.,250.7,0,"ONLY",dm,3);
954
955 dm[0]= 75.3;
956 dm[1]= 79.2;
957
958 gMC->Gsposp("TPCR",6,"TIIN",0.,0.,253.3,0,"ONLY",dm,3);
959
960 // TICL->TIIN
961
962 gMC->Gspos("TICL",1,"TIIN",0.,0.,0.,0,"ONLY");
963
964 // TICR->TIIN
965
966 gMC->Gspos("TICR",1,"TIIN",0.,0.,0.,0,"ONLY");
967
968 // TIFC->TIIN
969
970 gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY");
971
972 // Tpc Sandwich 21 - Al (central barrel)
973
08db548a 974 dm[0]= 60.65;
975 dm[1]= 61.21;
37831078 976 dm[2]= 75.2;
977
978 gMC->Gsvolu("TS21","TUBE",idtmed[4],dm,3);
979
980 // Tpc Sandwich 22 - Tedlar (central barrel)
981
982 dm[0]+= 5.e-3;
983 dm[1]-= 5.e-3;
984
985 gMC->Gsvolu("TS22","TUBE",idtmed[9],dm,3);
986
987 // Tpc Sandwich 23 - Kevlar (central barrel)
988
989 dm[0]+= 5.e-3;
990 dm[1]-= 5.e-3;
991
992 gMC->Gsvolu("TS23","TUBE",idtmed[5],dm,3);
993
994 // Tpc Sandwich 24 - NOMEX (central barrel)
995
996 dm[0]+= 0.02;
997 dm[1]-= 0.02;
998
999 gMC->Gsvolu("TS24","TUBE",idtmed[6],dm,3);
1000
1001 // 24->23->22->21
1002
1003 gMC->Gspos("TS24",1,"TS23",0.,0.,0.,0,"ONLY");
1004 gMC->Gspos("TS23",1,"TS22",0.,0.,0.,0,"ONLY");
1005 gMC->Gspos("TS22",1,"TS21",0.,0.,0.,0,"ONLY");
1006
1007 gMC->Gspos("TS21",1,"TIIN",0.,0.,0.,0,"ONLY");
1008
1009 // put everything into the TPC
1010
1011 gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY");
1012
1013
1014 //---------------------------------------------------------
1015 // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10)
1016 // and its daughters (HV membrane, rods, readout chambers)
1017 //---------------------------------------------------------
1018
1019 dm[0]= 79.2;
1020 dm[1]= 258.0;
1021 dm[2]= 253.6;
1022
1023 gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3);
1024
1025 // sector opening angles
1026
1027 Float_t innerOpenAngle = fTPCParam->GetInnerAngle();
1028
1029 // sector angle shift
1030
1031 Float_t innerAngleShift = fTPCParam->GetInnerAngleShift();
1032
1033 // number of sectors
1034
1035 Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
1036 Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
1037
1038 // All above parameters are identical for inner and outer
1039 // sectors. The distinction is kept for the historical reasons
1040 // and eventually will disappear.
1041
1042 Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle);
1043 Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha);
1044 Float_t space;
1045
1046 //-------------------------------------------------------------------------
1047 // Tpc Inner Readout Chambers
1048 //-------------------------------------------------------------------------
1049
1050 dm[0]= 14.483;
1051 dm[1]= 23.3345;
1052 dm[2]= 1.6; // thickness
1053 dm[3]= 25.1;
1054
1055 gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4);
1056
1057 // this volume will be positioned in the empty space
1058 // of the end-cap to avoid overlaps
1059
1060 dm[0]= 13.7305;
1061 dm[1]= 21.1895;
1062 dm[2]= 2.25;
1063 dm[3]= 21.15;
1064
1065 gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4);
1066
1067
1068 //------------------------------------------------
1069 // Tpc Inner readout chamber Pad Plane
1070 //------------------------------------------------
1071
1072 dm[0]= 14.483;
1073 dm[1]= 23.3345;
1074 dm[2]= 0.5;
1075 dm[3]= 25.1;
1076
1077 gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4);
1078
1079 //
1080
1081 dm[0] -= 1.218511934;
1082 dm[1] -= 1.218511934;
1083 dm[2] = 0.35;
1084
1085 gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4);
1086
1087 gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY");
1088
1089 gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY");
1090
1091
1092 //----------------------------------------------
1093 // Tpc Readout Chambers Empty spaces - for both
1094 // inner and outer sectors
1095 //----------------------------------------------
1096
1097 gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0);
1098
1099 // Inner sector - 4 spaces
1100
1101
1102 dm[3] = 4.7625;
1103 dm[0] = 12.472;
1104
1105 Float_t rr = 90.52;
1106 Float_t zz;
1107
1108 zz= -12.7875;
1109
1110 space = rr*tanAlpha-dm[0];
1111
1112 for(Int_t nsLow=0;nsLow<4;nsLow++){
1113
1114 rr += 9.525;
1115 dm[1]= rr*tanAlpha - space;
1116
1117 dm[2]=0.8;
1118
1119 gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4);
1120
1121 //
1122
1123 dm[2] = 1.2;
1124
1125 gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4);
1126
1127 rr += 0.4;
1128 dm[0] = rr*tanAlpha - space;
1129 zz += (0.4+9.525);
1130
1131 }
1132
1133 dm[0]= 12.472;
1134 // dm[1] - this is the dm[1] from the previous TRCE
1135 dm[2]= 1.05;
1136 dm[3]= 19.65;
1137
1138 gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4);
1139
1140 //
1141 // TPc Space for Connectors
1142 //
1143
1144 dm[0]= .3;
1145 dm[1]= .3;
1146 dm[2]= 4.5;
1147
1148 gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3);
1149
1150 // TPC Connectors
1151
1152 dm[0]= .25;
1153 dm[1]= .15;
1154 dm[2]= 3.75;
1155
1156 gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3);
1157
1158 gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY");
1159
1160 zz = -12.7875;
1161
1162
1163 Float_t alpha;
1164 Float_t astep;
1165
1166 Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles
1167
1168 // inner part of the inner sector - 2 x 20 holes
1169
1170 astep = 20.00096874/19.;
1171
1172 alpha = 10.00048437-astep;
1173
1174 Float_t x1,x2;
1175
1176 x1 = 13.31175725;
1177 x1 -= 0.996357832;
1178
1179 x2 = 15.06180253;
1180 x2 -= 1.163028812;
1181
1182 Int_t ncon;
1183
1184 for(ncon=0;ncon<20;ncon++){
1185
1186 phi1 = 0.;
1187 theta1 = 90.+alpha;
1188 phi2=90.;
1189 theta2 = 90.;
1190 phi3 = (alpha>0) ? 0. : 180.;
1191 theta3 = TMath::Abs(alpha);
1192
1193 AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1194
1195
1196
1197 gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY");
1198 gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY");
1199
1200
1201 x1 -= 1.296357833;
1202 x2 -= 1.463028812;
1203
1204 alpha -= astep;
1205 nRotMat++;
1206
1207 }
1208
1209 // outer part of the inner sector - 2 x 25 holes
1210
1211 astep = 20.00096874/24.;
1212 alpha = 10.00048437-astep;
1213
1214 x1 = 16.81184781;
1215 x1 -= 1.016295986;
1216
1217 x2 = 18.5618931;
1218 x2 -= 1.150914854;
1219
1220 for(ncon=0;ncon<25;ncon++){
1221
1222 phi1 = 0.;
1223 theta1 = 90.+alpha;
1224 phi2=90.;
1225 theta2 = 90.;
1226 phi3 = (alpha>0) ? 0. : 180.;
1227 theta3 = TMath::Abs(alpha);
1228
1229 AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1230
1231
1232
1233 gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY");
1234 gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY");
1235
1236
1237 x1 -= 1.316295986;
1238 x2 -= 1.450914854;
1239
1240 alpha -= astep;
1241 nRotMat++;
1242
1243 }
1244
1245 //--------------------------------------------------------------------------
1246 // TPC Outer Readout Chambers
1247 // this is NOT a final design
1248 //--------------------------------------------------------------------------
1249
1250 dm[0]= 23.3875;
1251 dm[1]= 43.524;
1252 dm[2]= 1.5; //thickness
1253 dm[3]= 57.1;
1254
1255 gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4);
1256
1257 //------------------------------------------------
1258 // Tpc Outer readout chamber Pad Plane
1259 //------------------------------------------------
1260
1261 dm[2]= 0.5;
1262
1263 gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4);
1264
1265 dm[0] -= 1.218511934;
1266 dm[1] -= 1.218511934;
1267 dm[2] = 0.35;
1268
1269 gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4);
1270
1271 gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY");
1272
1273 gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY");
1274
1275 // empty space
1276
1277 dm[0]= 21.035;
1278 dm[1]= 38.7205;
1279 dm[2]= 0.7;
1280 dm[3]= 50.15;
1281
1282 gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4);
1283
1284 dm[0]= 22.2935;
1285 dm[1]= 40.5085;
1286 dm[2]= 2.25;
1287 dm[3]= 51.65;
1288
1289 gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4);
1290
1291 dm[0]= 21.35;
1292 dm[1]= 38.7205;
1293 dm[2]= 2.25;
1294 dm[3]= 50.15;
1295
1296 gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4);
1297
1298 //-----------------------------------------------
1299 // Tpc Services Support Wheel
1300 //-----------------------------------------------
1301
1302 dm[0]=0.;
1303 dm[1]=360.;
1304 dm[2]=18.;
1305 dm[3]=2.;
1306
1307 dm[4]= -5.;
1308 dm[5]= 77.017;
1309 dm[6]= 255.267;
1310
1311 dm[7]= 5.;
1312 dm[8]= dm[5];
1313 dm[9]= dm[6];
1314
1315 gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10);
1316
1317 // Tpc Services Wheel Cover
1318
1319 dm[4]= -0.5;
1320 dm[7]= 0.5;
1321
1322 gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10);
1323
1324 // Tpc Service wheel Cover Empty space
1325
1326 dm[0]= 10.99;
1327 dm[1]= 39.599;
1328 dm[2]= .5;
1329 dm[3]= 81.125;
1330
1331 gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4);
1332
1333 // Tpc services Wheel Empty Spaces
1334
1335 dm[0]= 13.18017507;
1336 dm[1]= 44.61045938;
1337 dm[2]= 4.;
1338 dm[3]= 89.125;
1339
1340 gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4);
1341
1342 // Tpc Services Wheel Bars
1343
1344 gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0);
1345
1346 // bars-> TWES
1347
1348 dm[2]= 4.;
1349 dm[3]= .4;
1350
1351 dm[0]= 13.8149522;
1352 dm[1]= 13.95601379;
1353
1354 gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4);
1355
1356 dm[0]= 43.83462067;
1357 dm[1]= 43.97568225;
1358
1359 gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4);
1360
1361 // TPc ELectronics - right now 30% X0 Si
1362
1363 dm[0]= 14.03813696;
1364 dm[1]= 43.3524075;
1365 dm[2]= 1.404;
1366 dm[3]= 83.125;
1367
1368 gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4);
1369 gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY");
1370
1371 //--------------------------------------------------------------------------
1372 // End caps
1373 //--------------------------------------------------------------------------
1374
1375 // TPc Main Wheel - Al
1376
1377 dm[0]= 75.3;
1378 dm[1]= 264.8;
1379 dm[2]= 3.0;
1380
1381 gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3);
1382
1383 // TPc Extra Wheel (to avoid overlapping) - Al
1384
1385 dm[0]= 264.8;
1386 dm[1]= 277.0;
1387 dm[2]= 1.95;
1388
1389 gMC->Gsvolu("TPEW","TUBE",idtmed[4],dm,3);
1390
1391 //--------------------------------------------------------------------------
1392 // Tpc Empty Space for the Readout chambers
1393 //--------------------------------------------------------------------------
1394
1395 Float_t rLow= 86.2;
1396 Float_t rUp= 243.5;
1397 Float_t dR = 0.5*(rUp-rLow);
1398
1399 space= 1.4/cosAlpha; // wheel ribs are 2.8 cm wide
1400
1401 dm[0]= rLow*tanAlpha-space;
1402 dm[1]= rUp*tanAlpha-space;
1403 dm[2] = 3.0;
1404 dm[3]= dR;
1405
1406 gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4);
1407
1408 // TIC1->TESR
1409
1410 gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY");
1411
1412 // TOC1->TESR
1413
1414 gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY");
1415
1416 // Tpc Empty Space Bars - Al (daughters of TESR)
1417
1418 Float_t zBar;
1419
1420 gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0);
1421
1422 // lower bar
1423
1424 dm[0]= rLow*tanAlpha-space;
1425 dm[1]= 88.7*tanAlpha-space;
1426 dm[2]= 0.95;
1427 dm[3]= 1.275;
1428
1429 zBar = -dR+dm[3];
1430
1431 gMC->Gsposp("TESB",1,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1432
1433 // middle bar
1434
1435 dm[0]= 131.65*tanAlpha-space;
1436 dm[1]= 136.5*tanAlpha-space;
1437 dm[3]= 2.425;
1438
1439 zBar = -dR +131.65+dm[3]-rLow;
1440
1441 gMC->Gsposp("TESB",2,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1442
1443 // upper bar
1444
1445 dm[0]= 240.4*tanAlpha-space;
1446 dm[1]= rUp*tanAlpha-space;
1447 dm[3]= 1.55;
1448
1449 zBar = dR-dm[3];
1450
1451 gMC->Gsposp("TESB",3,"TESR",0.,2.05,zBar,0,"ONLY",dm,4);
1452
1453 // positioning of the empty spaces into the main wheel
1454
1455
1456
1457 Float_t rCenter,xc,yc;
1458 Float_t rInner,rOuter; // center of the inner and outer chamber
1459
1460 rCenter = rLow+dR;
1461
1462 rInner = 108.07;
1463 rOuter = 190.68;
1464
1465
1466 for(Int_t ns=0; ns<nInnerSector;ns++){
1467
1468 phi1 = ns * innerOpenAngle + innerAngleShift;
1469 phi1 *= kRaddeg; // in degrees
1470
1471 phi1 = (Float_t)TMath::Nint(phi1) + 270.;
1472
1473 if (phi1 > 360.) phi1 -= 360.;
1474
1475 theta1 = 90.;
1476 phi2 = 90.;
1477 theta2 = 180.;
1478 phi3 = ns * innerOpenAngle + innerAngleShift;
1479 phi3 *= kRaddeg; // in degrees
1480
1481 phi3 = (Float_t)TMath::Nint(phi3);
1482
1483 if(phi3 > 360.) phi3 -= 360.;
1484
1485 theta3 = 90.;
1486
1487 // "holes"->End plate
1488
1489 xc = rCenter*TMath::Cos(phi3*kDegrad);
1490 yc = rCenter*TMath::Sin(phi3*kDegrad);
1491
1492 AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1493
1494 gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1495
1496 // TSCE->TSWC (services wheel volumes)
1497
1498 xc = 166.142*TMath::Cos(phi3*kDegrad);
1499 yc = 166.142*TMath::Sin(phi3*kDegrad);
1500
1501 gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY");
1502 gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY");
1503
1504
1505 // readout chambers->TDGN (drift gas)
1506
1507 xc = rInner*TMath::Cos(phi3*kDegrad);
1508 yc = rInner*TMath::Sin(phi3*kDegrad);
1509
1510 gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY");
1511
1512 xc = rOuter*TMath::Cos(phi3*kDegrad);
1513 yc = rOuter*TMath::Sin(phi3*kDegrad);
1514
1515 gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY");
1516
1517 nRotMat++;
1518
1519 theta2 = 0.; // reflection
1520
1521 AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1522
1523 xc = rInner*TMath::Cos(phi3*kDegrad);
1524 yc = rInner*TMath::Sin(phi3*kDegrad);
1525
1526 gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY");
1527
1528 xc = rOuter*TMath::Cos(phi3*kDegrad);
1529 yc = rOuter*TMath::Sin(phi3*kDegrad);
1530
1531 gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY");
1532
1533 nRotMat++;
1534
1535 }
1536
1537 // reflection matrix
1538
1539 theta1 = 90.;
1540 phi1 = 0.;
1541 theta2 = 90.;
1542 phi2 = 270.;
1543 theta3 = 180.;
1544 phi3 = 0.;
1545
1546 AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
1547
1548
1549 // TPMW->TPC
1550
1551 gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY");
1552 gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[nRotMat],"ONLY");
1553 gMC->Gspos("TPEW",1,"TPC ",0.,0.,257.65,0,"ONLY");
1554 gMC->Gspos("TPEW",2,"TPC ",0.,0.,-257.65,0,"ONLY");
1555
1556
1557
1558 //-------------------------------------------------------
1559 // Tpc High Voltage Membrane - NOMEX honeycomb
1560 //-------------------------------------------------------
1561
1562 dm[0]=0.,
1563 dm[1]=360.;
1564 dm[2]=18.;
1565 dm[3]=2.;
1566
1567 //
1568
1569 dm[4]= -0.3;
1570 dm[5]= 81.156;
1571 dm[6]= 253.386;
1572
1573 //
1574
1575 dm[7]= 0.3;
1576 dm[8]= dm[5];
1577 dm[9]= dm[6];
1578
1579 gMC->Gsvolu("THVM","PGON",idtmed[6],dm,10);
1580
1581 gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY");
1582
1583 //----------------------------------------------------------
1584 // TPc Support Rods - MAKROLON
1585 //----------------------------------------------------------
1586
1587 dm[0]= 0.9;
1588 dm[1]= 1.2;
1589 dm[2]= 126.65;
1590
1591 gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,3);
1592
1593 for(Int_t nrod=1;nrod<18;nrod++){
1594 Float_t angle=innerOpenAngle*(Float_t)nrod;
1595
1596 xc=82.4*TMath::Cos(angle);
1597 yc=82.4*TMath::Sin(angle);
1598
1599 gMC->Gspos("TPSR",nrod,"TDGN",xc,yc,126.95,0,"ONLY");
1600 gMC->Gspos("TPSR",nrod+17,"TDGN",xc,yc,-126.95,0,"ONLY");
1601
1602 xc=254.2*TMath::Cos(angle);
1603 yc=254.2*TMath::Sin(angle);
1604
1605 gMC->Gspos("TPSR",nrod+34,"TDGN",xc,yc,126.95,0,"ONLY");
1606 gMC->Gspos("TPSR",nrod+51,"TDGN",xc,yc,-126.95,0,"ONLY");
1607
1608 }
1609
1610 //----------------------------------------------------------
1611 // Tpc High Voltage rod - MAKROLON + Copper cable
1612 //----------------------------------------------------------
1613
1614 // rod with cable (Left)
1615
1616 dm[0]=0.;
1617 dm[1]=2.25;
1618 dm[2]=126.65;
1619
1620 gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3);
1621
1622 // HV cable
1623
1624 dm[0]=0.;
1625 dm[1]=0.3;
1626 dm[2]=126.65;
1627
1628 gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3);
1629
1630 // empty space
1631
1632 dm[0]=0.3;
1633 dm[1]=1.;
1634 dm[2]=126.65;
1635
1636 gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3);
1637
1638 gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY");
1639 gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY");
1640
1641 // rod without cable
1642
1643 dm[0]=1.8;
1644 dm[1]=2.25;
1645 dm[2]=126.65;
1646
1647 gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3);
1648
1649
1650
1651 gMC->Gspos("THVL",1,"TDGN",82.4,0.,-126.95,0,"ONLY");
1652 gMC->Gspos("THVL",2,"TDGN",254.2,0.,-126.95,0,"ONLY");
1653
1654 gMC->Gspos("THVR",1,"TDGN",82.4,0.,126.95,0,"ONLY");
1655 gMC->Gspos("THVR",2,"TDGN",254.2,0.,126.95,0,"ONLY");
1656
1657
1658
1659 gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY");
1660
1661
1662 // services wheel cover -> wheel
1663
1664
1665 gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY");
1666 gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY");
1667
1668
1669 // put the wheel into the TPC
1670
1671 gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY");
1672 gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY");
1673
1674 //
1675
1676 gMC->Gsord("TPMW",6);
1677 gMC->Gsord("TSSW",6);
1678 gMC->Gsord("TSWC",6);
1679
1680 // put the TPC into ALIC (main mother volume)
1283eee5 1681
37831078 1682 gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY");
1283eee5 1683
1684} // end of function
1685
fe4da5cc 1686
1687//_____________________________________________________________________________
1688void AliTPCv0::CreateMaterials()
1689{
1690 //
1691 // Define materials for the TPC
1692 //
1693 AliTPC::CreateMaterials();
1694}
1695
1696//_____________________________________________________________________________
8c555625 1697void AliTPCv0::DrawDetector()
fe4da5cc 1698{
1699 //
1700 // Draw a shaded view of the Time Projection Chamber version 0
1701 //
1702
fe4da5cc 1703 // Set everything unseen
cfce8870 1704 gMC->Gsatt("*", "seen", -1);
fe4da5cc 1705 //
1706 // Set ALIC mother transparent
cfce8870 1707 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 1708 //
1709 // Set the volumes visible
37831078 1710 gMC->Gsatt("TPC ","SEEN",0);
1711 gMC->Gsatt("TOIN","SEEN",1);
1712 gMC->Gsatt("TOIN","COLO",7);
1713 gMC->Gsatt("TPCR","SEEN",0);
1714 gMC->Gsatt("TOCV","SEEN",1);
1715 gMC->Gsatt("TOCV","COLO",4);
1716 gMC->Gsatt("TSA1","SEEN",0);
1717 gMC->Gsatt("TSA2","SEEN",0);
1718 gMC->Gsatt("TSA3","SEEN",0);
1719 gMC->Gsatt("TSA4","SEEN",0);
1720 gMC->Gsatt("TOFC","SEEN",1);
1721 gMC->Gsatt("TOFC","COLO",4);
1722 gMC->Gsatt("TSA5","SEEN",0);
1723 gMC->Gsatt("TSA6","SEEN",0);
1724 gMC->Gsatt("TSA7","SEEN",0);
37831078 1725 gMC->Gsatt("TIIN","COLO",7);
1726 gMC->Gsatt("TIIN","SEEN",1);
1727 gMC->Gsatt("TICL","SEEN",0);
1728 gMC->Gsatt("TSA9","SEEN",0);
1729 gMC->Gsatt("TS10","SEEN",0);
1730 gMC->Gsatt("TS11","SEEN",0);
1731 gMC->Gsatt("TS12","SEEN",0);
1732 gMC->Gsatt("TICR","SEEN",0);
1733 gMC->Gsatt("TS13","SEEN",0);
1734 gMC->Gsatt("TS14","SEEN",0);
1735 gMC->Gsatt("TS15","SEEN",0);
1736 gMC->Gsatt("TS16","SEEN",0);
1737 gMC->Gsatt("TIFC","SEEN",1);
1738 gMC->Gsatt("TIFC","COLO",4);
1739 gMC->Gsatt("TS17","SEEN",0);
1740 gMC->Gsatt("TS18","SEEN",0);
1741 gMC->Gsatt("TS19","SEEN",0);
37831078 1742 gMC->Gsatt("TS21","SEEN",0);
1743 gMC->Gsatt("TS22","SEEN",0);
1744 gMC->Gsatt("TS23","SEEN",0);
1745 gMC->Gsatt("TS24","SEEN",0);
1746 gMC->Gsatt("TDGN","SEEN",0);
1747 gMC->Gsatt("TIRC","SEEN",0);
1748 gMC->Gsatt("TIC1","SEEN",1);
1749 gMC->Gsatt("TIPP","SEEN",0);
1750 gMC->Gsatt("TIC3","SEEN",0);
1751 gMC->Gsatt("TRCE","SEEN",0);
1752 gMC->Gsatt("TPSC","SEEN",0);
1753 gMC->Gsatt("TPCC","SEEN",0);
1754 gMC->Gsatt("TORC","SEEN",0);
1755 gMC->Gsatt("TOPP","SEEN",0);
1756 gMC->Gsatt("TOC3","SEEN",0);
1757 gMC->Gsatt("TOC1","SEEN",1);
1758 gMC->Gsatt("TSSW","SEEN",1);
1759 gMC->Gsatt("TSWC","SEEN",1);
1760 gMC->Gsatt("TSCE","SEEN",1);
1761 gMC->Gsatt("TSSW","COLO",3);
1762 gMC->Gsatt("TSWC","COLO",3);
1763 gMC->Gsatt("TSCE","COLO",6);
1764 gMC->Gsatt("TWES","SEEN",0);
1765 gMC->Gsatt("TSWB","SEEN",0);
1766 gMC->Gsatt("TPEL","SEEN",0);
1767 gMC->Gsatt("TPMW","SEEN",1);
1768 gMC->Gsatt("TPEW","SEEN",1);
1769 gMC->Gsatt("TESR","SEEN",1);
1770 gMC->Gsatt("TPMW","COLO",12);
1771 gMC->Gsatt("TPEW","COLO",12);
1772 gMC->Gsatt("TWES","COLO",5);
1773 gMC->Gsatt("TIC1","COLO",5);
1774 gMC->Gsatt("TOC1","COLO",5);
1775 gMC->Gsatt("TESB","SEEN",0);
1776 gMC->Gsatt("THVM","SEEN",1);
1777 gMC->Gsatt("THVM","COLO",11);
1778 gMC->Gsatt("TPSR","SEEN",0);
1779 gMC->Gsatt("THVL","SEEN",0);
1780 gMC->Gsatt("THVC","SEEN",0);
1781 gMC->Gsatt("THVE","SEEN",0);
1782 gMC->Gsatt("THVR","SEEN",0);
fe4da5cc 1783 //
cfce8870 1784 gMC->Gdopt("hide", "on");
1785 gMC->Gdopt("shad", "on");
1786 gMC->Gsatt("*", "fill", 7);
1787 gMC->SetClipBox(".");
37831078 1788 gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
1789 gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
1790 gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
1791 gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
1792 gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
cfce8870 1793 gMC->DefaultRange();
1794 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
1795 gMC->Gdhead(1111, "Time Projection Chamber");
1796 gMC->Gdman(18, 4, "MAN");
1797 gMC->Gdopt("hide","off");
fe4da5cc 1798}
1799
1800//_____________________________________________________________________________
1801void AliTPCv0::Init()
1802{
1803 //
1804 // Initialise Time Projection Chamber version 0
1805 //
1806 printf("TPC version 0 initialized\n");
1807}
1808
1809//_____________________________________________________________________________
1810void AliTPCv0::StepManager()
1811{
1812 //
1813 // Procedure called at each step in the TPC
1814 //
1815}