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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 | $Log$ | |
a383b30d | 18 | Revision 1.20 2000/11/14 10:48:57 kowal2 |
19 | Correct material used for TSA4. Thanks to J. Barbosa. | |
20 | ||
2c668420 | 21 | Revision 1.19 2000/11/06 17:24:10 kowal2 |
22 | Corrected bug in the outer containment vessel and | |
23 | the outer field cage geometry. | |
24 | Thanks to J. Barbosa. | |
25 | ||
720b23b8 | 26 | Revision 1.18 2000/11/02 16:55:24 kowal2 |
27 | Corrected bug in the inner containment vessel geometry. | |
28 | Thanks to J. Belikov | |
29 | ||
08db548a | 30 | Revision 1.17 2000/11/02 07:24:11 kowal2 |
31 | Correction in the TPC geometry. | |
32 | Changes due to the new hit structure. | |
33 | ||
6a905708 | 34 | Revision 1.16 2000/10/02 21:28:18 fca |
35 | Removal of useless dependecies via forward declarations | |
36 | ||
94de3818 | 37 | Revision 1.15 2000/07/10 20:57:39 hristov |
38 | Update of TPC code and macros by M.Kowalski | |
39 | ||
37831078 | 40 | Revision 1.14 2000/06/30 12:07:50 kowal2 |
41 | Updated from the TPC-PreRelease branch | |
42 | ||
73042f01 | 43 | Revision 1.13.2.4 2000/06/26 07:39:42 kowal2 |
44 | Changes to obey the coding rules | |
45 | ||
46 | Revision 1.13.2.3 2000/06/25 08:38:41 kowal2 | |
47 | Splitted from AliTPCtracking | |
48 | ||
49 | Revision 1.13.2.2 2000/06/16 12:58:13 kowal2 | |
50 | Changed parameter settings | |
51 | ||
52 | Revision 1.13.2.1 2000/06/09 07:15:07 kowal2 | |
53 | ||
54 | Defaults loaded automatically (hard-wired) | |
55 | Optional parameters can be set via macro called in the constructor | |
56 | ||
57 | Revision 1.13 2000/05/15 10:00:30 kowal2 | |
58 | Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova | |
59 | ||
e94dd9ca | 60 | Revision 1.12 2000/04/17 09:37:33 kowal2 |
61 | removed obsolete AliTPCDigitsDisplay.C | |
62 | ||
cc80f89e | 63 | Revision 1.11.8.2 2000/04/10 08:36:12 kowal2 |
64 | ||
65 | Updated readout chambers | |
66 | Some modifications to StepManager by M. Kowalski | |
67 | ||
68 | Revision 1.11.8.1 2000/04/10 07:56:53 kowal2 | |
69 | Not used anymore - removed | |
70 | ||
71 | Revision 1.11 1999/11/04 17:28:07 fca | |
72 | Correct barrel part of HV Degrader | |
73 | ||
a5371c42 | 74 | Revision 1.10 1999/10/14 16:52:08 fca |
75 | Only use PDG codes and not GEANT ones | |
76 | ||
69e40cce | 77 | Revision 1.9 1999/10/08 06:27:23 fca |
78 | Corrected bug in the HV degrader geometry, thanks to G.Tabary | |
79 | ||
d183a600 | 80 | Revision 1.8 1999/10/04 13:39:55 fca |
81 | Correct array index problem | |
82 | ||
cdde5b1e | 83 | Revision 1.7 1999/09/29 09:24:34 fca |
84 | Introduction of the Copyright and cvs Log | |
85 | ||
4c039060 | 86 | */ |
87 | ||
73042f01 | 88 | // |
4b0fdcad | 89 | /////////////////////////////////////////////////////////////////////////////// |
90 | // // | |
91 | // Time Projection Chamber version 3 -- detailed TPC and slow simulation // | |
37831078 | 92 | // |
4b0fdcad | 93 | //Begin_Html |
94 | /* | |
95 | <img src="picts/AliTPCv3Class.gif"> | |
96 | */ | |
97 | //End_Html | |
98 | // // | |
99 | // // | |
100 | /////////////////////////////////////////////////////////////////////////////// | |
101 | ||
102 | #include <stdlib.h> | |
103 | #include <TMath.h> | |
4b0fdcad | 104 | #include "AliTPCv3.h" |
105 | #include "AliRun.h" | |
94de3818 | 106 | #include "AliMC.h" |
4b0fdcad | 107 | #include "AliConst.h" |
cc80f89e | 108 | #include "AliTPCDigitsArray.h" |
109 | #include"AliTPCParam.h" | |
73042f01 | 110 | #include"AliTPCParamSR.h" |
69e40cce | 111 | #include "AliPDG.h" |
73042f01 | 112 | #include <TInterpreter.h> |
a383b30d | 113 | #include "TLorentzVector.h" |
4b0fdcad | 114 | |
115 | ClassImp(AliTPCv3) | |
116 | ||
117 | //_____________________________________________________________________________ | |
118 | AliTPCv3::AliTPCv3(const char *name, const char *title) : | |
119 | AliTPC(name, title) | |
120 | { | |
121 | // | |
cc80f89e | 122 | // Standard constructor for Time Projection Chamber version 3 |
4b0fdcad | 123 | // |
124 | ||
125 | SetBufferSize(128000); | |
37831078 | 126 | fIdSens=0; |
73042f01 | 127 | |
128 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); | |
129 | ||
130 | if (fTPCParam) | |
131 | fTPCParam->Write(fTPCParam->GetTitle()); | |
4b0fdcad | 132 | } |
133 | ||
134 | //_____________________________________________________________________________ | |
135 | void AliTPCv3::CreateGeometry() | |
136 | { | |
137 | // | |
cc80f89e | 138 | // Creation of the TPC coarse geometry (version 3) |
37831078 | 139 | // The whole drift volume is sensitive |
cc80f89e | 140 | // Origin Marek Kowalski Cracow |
4b0fdcad | 141 | // |
142 | //Begin_Html | |
143 | /* | |
37831078 | 144 | <img src="picts/AliTPCgif"> |
4b0fdcad | 145 | */ |
146 | //End_Html | |
147 | //Begin_Html | |
148 | /* | |
37831078 | 149 | <img src="picts/AliTPCv3Tree.gif"> |
4b0fdcad | 150 | */ |
151 | //End_Html | |
37831078 | 152 | Float_t dm[50]; |
4b0fdcad | 153 | |
37831078 | 154 | Int_t *idtmed = fIdtmed->GetArray(); // TPC media |
1283eee5 | 155 | |
37831078 | 156 | Int_t idrotm[120]; // rotation matrices |
1283eee5 | 157 | |
37831078 | 158 | Int_t nRotMat = 0; // actual number of rotation matrices |
1283eee5 | 159 | |
160 | ||
37831078 | 161 | // |
162 | // Mother volume (Air) - all volumes will be positioned in it | |
163 | // | |
164 | ||
165 | dm[0]=0.; | |
166 | dm[1]=360.; | |
167 | dm[2]=12.; | |
1283eee5 | 168 | |
37831078 | 169 | // |
170 | ||
171 | dm[3]= -283.7; | |
172 | dm[4]= 66.2; | |
173 | dm[5]= 277.95; | |
1283eee5 | 174 | |
37831078 | 175 | // |
1283eee5 | 176 | |
37831078 | 177 | dm[6]= -255.6; |
178 | dm[7]= 66.2; | |
179 | dm[8]= 277.95; | |
1283eee5 | 180 | |
37831078 | 181 | // |
1283eee5 | 182 | |
37831078 | 183 | dm[9]= -73.3; |
184 | dm[10]= 59.0; | |
185 | dm[11]= 277.95; | |
1283eee5 | 186 | |
37831078 | 187 | // |
1283eee5 | 188 | |
37831078 | 189 | dm[12]= -73.3; |
190 | dm[13]= 56.9; | |
191 | dm[14]= 277.95; | |
4b0fdcad | 192 | |
37831078 | 193 | // |
1283eee5 | 194 | |
37831078 | 195 | dm[15]= -72.1; |
196 | dm[16]= 56.9; | |
197 | dm[17]= 277.95; | |
4b0fdcad | 198 | |
37831078 | 199 | // |
1283eee5 | 200 | |
37831078 | 201 | dm[18]= -72.1; |
202 | dm[19]= 60.65; | |
203 | dm[20]= 277.95; | |
1283eee5 | 204 | |
37831078 | 205 | // |
1283eee5 | 206 | |
37831078 | 207 | dm[21]= 72.1; |
208 | dm[22]= 60.65; | |
209 | dm[23]= 277.95; | |
1283eee5 | 210 | |
37831078 | 211 | // |
1283eee5 | 212 | |
37831078 | 213 | dm[24]= 72.1; |
214 | dm[25]= 56.9; | |
215 | dm[26]= 277.95; | |
1283eee5 | 216 | |
37831078 | 217 | // |
1283eee5 | 218 | |
37831078 | 219 | dm[27]= 73.3; |
220 | dm[28]= 56.9; | |
221 | dm[29]= 277.95; | |
1283eee5 | 222 | |
37831078 | 223 | // |
1283eee5 | 224 | |
37831078 | 225 | dm[30]= 73.3; |
226 | dm[31]= 60.65; | |
227 | dm[32]= 277.95; | |
1283eee5 | 228 | |
37831078 | 229 | // |
1283eee5 | 230 | |
37831078 | 231 | dm[33]= 250.4; |
232 | dm[34]= 66.0; | |
233 | dm[35]= 277.95; | |
1283eee5 | 234 | |
37831078 | 235 | // |
1283eee5 | 236 | |
37831078 | 237 | dm[36]= 283.7; |
238 | dm[37]= 66.0; | |
239 | dm[38]= 277.95; | |
1283eee5 | 240 | |
1283eee5 | 241 | |
37831078 | 242 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,39); |
1283eee5 | 243 | |
1283eee5 | 244 | |
37831078 | 245 | //------------------------------------------------------------------- |
246 | // Tpc Outer INsulator (CO2) | |
247 | //------------------------------------------------------------------- | |
1283eee5 | 248 | |
37831078 | 249 | dm[0]= 0.; |
250 | dm[1]= 360.; | |
251 | dm[2]= 6.; | |
1283eee5 | 252 | |
37831078 | 253 | // |
254 | ||
255 | dm[3]= -253.6; | |
256 | dm[4]= 258.; | |
257 | dm[5]= 266.65; | |
1283eee5 | 258 | |
37831078 | 259 | // |
1283eee5 | 260 | |
37831078 | 261 | dm[6]= -253.; |
262 | dm[7]= 258.; | |
263 | dm[8]= 266.65; | |
1283eee5 | 264 | |
37831078 | 265 | dm[9]= -253.; |
266 | dm[10]= 258.; | |
267 | dm[11]= 277.97; | |
1283eee5 | 268 | |
37831078 | 269 | dm[12]= 253.6; |
270 | dm[13]= 258.; | |
271 | dm[14]= 277.97; | |
1283eee5 | 272 | |
37831078 | 273 | // |
1283eee5 | 274 | |
37831078 | 275 | dm[15]= 253.6; |
276 | dm[16]= 265.2; | |
277 | dm[17]= 277.95; | |
1283eee5 | 278 | |
37831078 | 279 | // |
1283eee5 | 280 | |
37831078 | 281 | dm[18]= 255.6; |
282 | dm[19]= 265.2; | |
283 | dm[20]= 277.95; | |
1283eee5 | 284 | |
1283eee5 | 285 | |
37831078 | 286 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
cc80f89e | 287 | |
37831078 | 288 | //--------------------------------------------------------------- |
289 | // shreds (G10) - TPC Rings | |
290 | //--------------------------------------------------------------- | |
1283eee5 | 291 | |
37831078 | 292 | gMC->Gsvolu("TPCR","TUBE",idtmed[12],dm,0); |
1283eee5 | 293 | |
37831078 | 294 | dm[0]= 258.; |
295 | dm[1]= 266.65; | |
296 | dm[2]= 0.3; | |
1283eee5 | 297 | |
37831078 | 298 | gMC->Gsposp("TPCR",1,"TOIN",0.,0.,-253.3,0,"ONLY",dm,3); // left bottom |
1283eee5 | 299 | |
37831078 | 300 | // |
1283eee5 | 301 | |
37831078 | 302 | dm[0]= 258.; |
303 | dm[1]= 270.9; | |
304 | dm[2]= 0.3; | |
1283eee5 | 305 | |
37831078 | 306 | gMC->Gsposp("TPCR",2,"TOIN",0.,0.,253.3,0,"ONLY",dm,3); // right |
1283eee5 | 307 | |
37831078 | 308 | // |
1283eee5 | 309 | |
37831078 | 310 | dm[0]= 272.2; |
311 | dm[1]= 277.95; | |
312 | dm[2]= 0.3; | |
1283eee5 | 313 | |
37831078 | 314 | gMC->Gsposp("TPCR",3,"TOIN",0.,0.,-250.7,0,"ONLY",dm,3); // left top |
1283eee5 | 315 | |
37831078 | 316 | //---------------------------------------------------------------- |
317 | // Tpc Outer Contaiment Vessel | |
318 | // mother volume - Al, daughters - composite (sandwich) | |
319 | //---------------------------------------------------------------- | |
320 | ||
321 | dm[0]= 0.; | |
322 | dm[1]= 360.; | |
720b23b8 | 323 | dm[2]=6.; |
1283eee5 | 324 | |
37831078 | 325 | // |
1283eee5 | 326 | |
37831078 | 327 | dm[3]= -250.4; |
328 | dm[4]= 272.2; | |
329 | dm[5]= 277.95; | |
1283eee5 | 330 | |
37831078 | 331 | // |
1283eee5 | 332 | |
37831078 | 333 | dm[6]= -248.4; |
334 | dm[7]= 272.2; | |
335 | dm[8]= 277.95; | |
1283eee5 | 336 | |
37831078 | 337 | // |
1283eee5 | 338 | |
720b23b8 | 339 | dm[9]= -248.4; |
340 | dm[10]= 274.81; | |
37831078 | 341 | dm[11]= 277.95; |
1283eee5 | 342 | |
37831078 | 343 | // |
1283eee5 | 344 | |
37831078 | 345 | dm[12]= 253.6; |
720b23b8 | 346 | dm[13]= 274.81; |
37831078 | 347 | dm[14]= 277.95; |
1283eee5 | 348 | |
720b23b8 | 349 | // |
37831078 | 350 | |
720b23b8 | 351 | dm[15]= 253.6; |
37831078 | 352 | dm[16]= 265.2; |
353 | dm[17]= 277.95; | |
1283eee5 | 354 | |
720b23b8 | 355 | // |
356 | ||
357 | dm[18]= 255.6; | |
358 | dm[19]= 265.2; | |
359 | dm[20]= 277.95; | |
360 | ||
361 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 362 | |
37831078 | 363 | // Daughter volumes |
364 | ||
365 | // Tpc SAndwich 1 - Al | |
1283eee5 | 366 | |
37831078 | 367 | dm[0]= 274.81; |
368 | dm[1]= 277.95; | |
369 | dm[2]= 251.7; | |
1283eee5 | 370 | |
37831078 | 371 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 372 | |
37831078 | 373 | // Tpc SAndwich 2 - Tedlar |
1283eee5 | 374 | |
37831078 | 375 | dm[0] += 5.e-3; |
376 | dm[1] -= 5.e-3; | |
377 | ||
378 | gMC->Gsvolu("TSA2","TUBE",idtmed[9],dm,3); | |
379 | ||
380 | // Tpc SAndwich 3 - Kevlar | |
381 | ||
382 | dm[0] += 5e-3; | |
383 | dm[1] -= 5.e-3; | |
384 | ||
385 | gMC->Gsvolu("TSA3","TUBE",idtmed[5],dm,3); | |
386 | ||
387 | // Tpc SAndwich 4 - NOMEX honeycomb | |
388 | ||
389 | dm[0] += 0.06; | |
390 | dm[1] -= 0.06; | |
391 | ||
2c668420 | 392 | gMC->Gsvolu("TSA4","TUBE",idtmed[6],dm,3); |
37831078 | 393 | |
394 | // 4->3->2->1->TOCV | |
395 | ||
396 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); | |
397 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
398 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); | |
399 | ||
400 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,2.6,0,"ONLY"); | |
401 | ||
402 | // TCOV-> TOIN | |
403 | ||
404 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); | |
405 | ||
406 | //------------------------------------------------------- | |
407 | // Tpc Outer Field Cage | |
408 | // mother volume - Al, daughters - composite (sandwich) | |
409 | //------------------------------------------------------- | |
1283eee5 | 410 | |
37831078 | 411 | dm[0]=0.; |
412 | dm[1]=360.; | |
413 | dm[2]=6.; | |
1283eee5 | 414 | |
37831078 | 415 | dm[3]= -253.; |
416 | dm[4]= 258.; | |
417 | dm[5]= 277.95; | |
1283eee5 | 418 | |
37831078 | 419 | // |
420 | ||
421 | dm[6]= -251.; | |
422 | dm[7]= 258.; | |
423 | dm[8]= 277.95; | |
1283eee5 | 424 | |
425 | // | |
37831078 | 426 | |
427 | dm[9]= -251.; | |
428 | dm[10]= 258.; | |
429 | dm[11]= 260.05; | |
430 | ||
1283eee5 | 431 | // |
432 | ||
37831078 | 433 | dm[12]= 251.; |
434 | dm[13]= 258.; | |
435 | dm[14]= 260.05; | |
1283eee5 | 436 | |
37831078 | 437 | // |
1283eee5 | 438 | |
37831078 | 439 | dm[15]= 251.; |
440 | dm[16]= 258.; | |
720b23b8 | 441 | dm[17]= 270.9; |
1283eee5 | 442 | |
37831078 | 443 | // |
1283eee5 | 444 | |
37831078 | 445 | dm[18]= 253.; |
446 | dm[19]= 258.; | |
447 | dm[20]= 270.9; | |
448 | ||
449 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); | |
450 | ||
451 | // Daughter volumes | |
452 | ||
6a905708 | 453 | // Tpc SAndwich 5 - Tedlar |
37831078 | 454 | |
455 | dm[0]= 258.; | |
456 | dm[1]= 260.05; | |
457 | dm[2]= 251.7; | |
458 | ||
6a905708 | 459 | gMC->Gsvolu("TSA5","TUBE",idtmed[9],dm,3); |
37831078 | 460 | |
6a905708 | 461 | // Tpc SAndwich 6 - Kevlar |
37831078 | 462 | |
463 | dm[0] += 5.e-3; | |
464 | dm[1] -= 5.e-3; | |
465 | ||
6a905708 | 466 | gMC->Gsvolu("TSA6","TUBE",idtmed[5],dm,3); |
1283eee5 | 467 | |
1283eee5 | 468 | |
6a905708 | 469 | // Tpc SAndwich 7 - NOMEX |
37831078 | 470 | |
471 | dm[0] += 0.02; | |
472 | dm[1] -= 0.02; | |
473 | ||
6a905708 | 474 | gMC->Gsvolu("TSA7","TUBE",idtmed[6],dm,3); |
37831078 | 475 | |
6a905708 | 476 | // 7->6->5->TOFC |
37831078 | 477 | |
37831078 | 478 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); |
479 | gMC->Gspos("TSA6",1,"TSA5",0.,0.,0.,0,"ONLY"); | |
480 | ||
481 | gMC->Gspos("TSA5",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
482 | ||
483 | // TOFC->TOIN | |
484 | ||
485 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); | |
486 | ||
487 | // TOIN->TPC | |
488 | ||
489 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
490 | ||
491 | //-------------------------------------------------------------------- | |
492 | // Tpc Inner INsulator (CO2) | |
493 | //-------------------------------------------------------------------- | |
494 | ||
495 | ||
496 | dm[0]=0.; | |
497 | dm[1]= 360.; | |
498 | dm[2]= 15.; | |
1283eee5 | 499 | |
500 | // | |
37831078 | 501 | |
502 | dm[3]= -255.6; | |
503 | dm[4]= 66.2; | |
504 | dm[5]= 74.8; | |
505 | ||
1283eee5 | 506 | // |
507 | ||
37831078 | 508 | Float_t tanL = (66.2-59.0)/(255.6-73.3); // tangent of the left cone part |
1283eee5 | 509 | |
37831078 | 510 | dm[6]= -253.6; |
511 | dm[7]= 59.0+ (253.6-73.3)*tanL; | |
512 | dm[8]= 74.8; | |
1283eee5 | 513 | |
37831078 | 514 | // |
1283eee5 | 515 | |
37831078 | 516 | dm[9]= -253.6; |
517 | dm[10]= dm[7]; | |
518 | dm[11]= 79.2; | |
1283eee5 | 519 | |
37831078 | 520 | // |
1283eee5 | 521 | |
37831078 | 522 | dm[12]= -73.3; |
523 | dm[13]= 59.0; | |
524 | dm[14]= 79.2; | |
1283eee5 | 525 | |
37831078 | 526 | // |
1283eee5 | 527 | |
37831078 | 528 | dm[15]= -73.3; |
529 | dm[16]= 56.9; | |
530 | dm[17]= 79.2; | |
1283eee5 | 531 | |
37831078 | 532 | // |
1283eee5 | 533 | |
37831078 | 534 | dm[18]= -72.1; |
535 | dm[19]= 59.6; | |
536 | dm[20]= 79.2; | |
1283eee5 | 537 | |
37831078 | 538 | // |
1283eee5 | 539 | |
37831078 | 540 | dm[21]= -72.1; |
541 | dm[22]= 60.65; | |
542 | dm[23]= 79.2; | |
1283eee5 | 543 | |
37831078 | 544 | // |
1283eee5 | 545 | |
37831078 | 546 | dm[24]= 72.1; |
547 | dm[25]= 60.65; | |
548 | dm[26]= 79.2; | |
1283eee5 | 549 | |
37831078 | 550 | // |
1283eee5 | 551 | |
37831078 | 552 | dm[27]= 72.1; |
553 | dm[28]= 59.6; | |
554 | dm[29]= 79.2; | |
1283eee5 | 555 | |
37831078 | 556 | // |
1283eee5 | 557 | |
37831078 | 558 | dm[30]= 73.3; |
559 | dm[31]= 56.9; | |
560 | dm[32]= 79.2; | |
1283eee5 | 561 | |
37831078 | 562 | // |
1283eee5 | 563 | |
37831078 | 564 | dm[33]= 73.3; |
565 | dm[34]= 59.0; | |
566 | dm[35]= 79.2; | |
1283eee5 | 567 | |
37831078 | 568 | // |
1283eee5 | 569 | |
37831078 | 570 | dm[36]= 250.4; |
571 | dm[37]= 66.0; | |
572 | dm[38]= 79.2; | |
1283eee5 | 573 | |
37831078 | 574 | // |
4b0fdcad | 575 | |
37831078 | 576 | dm[39]= 253.0; |
577 | dm[40]= 66.0; | |
578 | dm[41]= 79.2; | |
1283eee5 | 579 | |
37831078 | 580 | // |
1283eee5 | 581 | |
37831078 | 582 | dm[42]= 253.0; |
583 | dm[43]= 75.3; | |
584 | dm[44]= 79.2; | |
1283eee5 | 585 | |
37831078 | 586 | // |
1283eee5 | 587 | |
37831078 | 588 | dm[45]= 253.6; |
589 | dm[46]= 75.3; | |
590 | dm[47]= 79.2; | |
1283eee5 | 591 | |
37831078 | 592 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,48); |
1283eee5 | 593 | |
594 | ||
37831078 | 595 | //-------------------------------------------------------------------- |
596 | // Tpc Inner Containment vessel, Left part | |
597 | // mother volume - Al, daughter - composite (sandwich) | |
598 | //-------------------------------------------------------------------- | |
1283eee5 | 599 | |
37831078 | 600 | dm[0]= 0.; |
601 | dm[1]= 360.; | |
602 | dm[2]= 8.; | |
4b0fdcad | 603 | |
37831078 | 604 | // |
1283eee5 | 605 | |
37831078 | 606 | dm[3]= -255.6; |
607 | dm[4]= 66.2; | |
608 | dm[5]= 74.8; | |
1283eee5 | 609 | |
37831078 | 610 | // |
1283eee5 | 611 | |
37831078 | 612 | Float_t cosL = 1./TMath::Sqrt(1.+tanL*tanL); |
613 | Float_t sandThick = 2.14; // cone composite thickness | |
1283eee5 | 614 | |
1283eee5 | 615 | |
616 | // | |
617 | ||
37831078 | 618 | dm[6]= -253.6; |
619 | dm[7]= 59.0 + (253.6-73.3)*tanL; | |
620 | dm[8]= 74.8; | |
1283eee5 | 621 | |
37831078 | 622 | // |
1283eee5 | 623 | |
37831078 | 624 | dm[9]= -253.6; |
625 | dm[10]= dm[7]; | |
626 | dm[11]= dm[7]+sandThick/cosL; | |
1283eee5 | 627 | |
37831078 | 628 | // |
1283eee5 | 629 | |
37831078 | 630 | dm[12]= -75.6; |
631 | dm[13]= 59.0+(75.6-73.3)*tanL; | |
632 | dm[14]= dm[13]+sandThick/cosL; | |
1283eee5 | 633 | |
37831078 | 634 | // |
1283eee5 | 635 | |
37831078 | 636 | dm[15]= -75.6; |
637 | dm[16]= dm[13]; | |
638 | dm[17]= 60.65; | |
1283eee5 | 639 | |
37831078 | 640 | // |
1283eee5 | 641 | |
37831078 | 642 | dm[18]= -73.3; |
643 | dm[19]= 59.0; | |
644 | dm[20]= 60.65; | |
1283eee5 | 645 | |
37831078 | 646 | // |
1283eee5 | 647 | |
37831078 | 648 | dm[21]= -73.3; |
649 | dm[22]= 56.9; | |
650 | dm[23]= 60.65; | |
1283eee5 | 651 | |
37831078 | 652 | // |
1283eee5 | 653 | |
37831078 | 654 | dm[24]= -72.1; |
655 | dm[25]= 56.9; | |
656 | dm[26]= 60.65; | |
1283eee5 | 657 | |
37831078 | 658 | gMC->Gsvolu("TICL","PCON",idtmed[4],dm,27); |
1283eee5 | 659 | |
37831078 | 660 | // Daughter volumes |
1283eee5 | 661 | |
37831078 | 662 | // Tpc SAndwich 9 - Al |
1283eee5 | 663 | |
37831078 | 664 | dm[0]= 0.; |
665 | dm[1]= 360.; | |
666 | dm[2]= 2.; | |
1283eee5 | 667 | |
37831078 | 668 | // |
1283eee5 | 669 | |
37831078 | 670 | dm[3]= - 254.3; |
671 | dm[4]= 59.0+(254.3-73.3)*tanL; | |
672 | dm[5]= dm[4]+sandThick/cosL; | |
1283eee5 | 673 | |
37831078 | 674 | // |
1283eee5 | 675 | |
37831078 | 676 | dm[6]= -78.3; |
677 | dm[7]= 59.0+(78.3-73.3)*tanL; | |
678 | dm[8]= dm[7]+sandThick/cosL; | |
1283eee5 | 679 | |
37831078 | 680 | // |
1283eee5 | 681 | |
37831078 | 682 | gMC->Gsvolu("TSA9","PCON",idtmed[4],dm,9); |
1283eee5 | 683 | |
37831078 | 684 | // Tpc SAndwich 10 - Tedlar |
1283eee5 | 685 | |
37831078 | 686 | dm[4]+= 5.e-3/cosL; |
687 | dm[5]-= 5.e-3/cosL; | |
1283eee5 | 688 | |
37831078 | 689 | // |
1283eee5 | 690 | |
37831078 | 691 | dm[7]+= 5.e-3/cosL; |
692 | dm[8]+= 5.e-3/cosL; | |
1283eee5 | 693 | |
37831078 | 694 | gMC->Gsvolu("TS10","PCON",idtmed[9],dm,9); |
1283eee5 | 695 | |
37831078 | 696 | // Tpc SAndwich 11 - Kevlar |
1283eee5 | 697 | |
37831078 | 698 | dm[4]+= 5.e-3/cosL; |
699 | dm[5]-= 5.e-3/cosL; | |
1283eee5 | 700 | |
37831078 | 701 | // |
1283eee5 | 702 | |
37831078 | 703 | dm[7]+= 5.e-3/cosL; |
704 | dm[8]+= 5.e-3/cosL; | |
1283eee5 | 705 | |
37831078 | 706 | gMC->Gsvolu("TS11","PCON",idtmed[5],dm,9); |
1283eee5 | 707 | |
37831078 | 708 | // Tpc SAndwich 12 - NOMEX |
1283eee5 | 709 | |
37831078 | 710 | dm[4]+= 0.06/cosL; |
711 | dm[5]-= 0.06/cosL; | |
1283eee5 | 712 | |
37831078 | 713 | // |
1283eee5 | 714 | |
37831078 | 715 | dm[7]+= 0.06/cosL; |
716 | dm[8]+= 0.06/cosL; | |
1283eee5 | 717 | |
37831078 | 718 | gMC->Gsvolu("TS12","PCON",idtmed[6],dm,9); |
1283eee5 | 719 | |
37831078 | 720 | // 12->11->10->9 |
1283eee5 | 721 | |
37831078 | 722 | gMC->Gspos("TS12",1,"TS11",0.,0.,0.,0,"ONLY"); |
723 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); | |
724 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 725 | |
37831078 | 726 | // TSA9->TICL |
1283eee5 | 727 | |
37831078 | 728 | gMC->Gspos("TSA9",1,"TICL",0.,0.,0.,0,"ONLY"); |
1283eee5 | 729 | |
37831078 | 730 | //-------------------------------------------------------------------- |
731 | // Tpc Inner Containment vessel, Right part | |
732 | // mother volume - Al, daughter - composite (sandwich) | |
733 | //-------------------------------------------------------------------- | |
1283eee5 | 734 | |
37831078 | 735 | dm[0]= 0.; |
736 | dm[1]= 360.; | |
737 | dm[2]=8.; | |
1283eee5 | 738 | |
37831078 | 739 | // |
1283eee5 | 740 | |
37831078 | 741 | dm[3]= 72.1; |
742 | dm[4]= 56.9; | |
743 | dm[5]= 60.65; | |
1283eee5 | 744 | |
37831078 | 745 | // |
1283eee5 | 746 | |
37831078 | 747 | dm[6]= 73.3; |
748 | dm[7]= 56.9; | |
749 | dm[8]= 60.65; | |
1283eee5 | 750 | |
37831078 | 751 | // |
1283eee5 | 752 | |
37831078 | 753 | dm[9]= 73.3; |
754 | dm[10]= 59.0; | |
755 | dm[11]= 60.65; | |
1283eee5 | 756 | |
37831078 | 757 | // |
1283eee5 | 758 | |
37831078 | 759 | Float_t tanR = (66.0-59.0)/(250.5-73.3); // to avoid accuracy problems |
760 | Float_t cosR = 1./TMath::Sqrt(1.+tanR*tanR); //as above | |
1283eee5 | 761 | |
37831078 | 762 | // |
1283eee5 | 763 | |
37831078 | 764 | dm[12]= 75.6; |
765 | dm[13]= 59.0+(75.6-73.3)*tanR; | |
766 | dm[14]= 60.65; | |
1283eee5 | 767 | |
4b0fdcad | 768 | // |
37831078 | 769 | |
770 | dm[15]= 75.6; | |
771 | dm[16]= dm[13]; | |
772 | dm[17]= dm[16]+sandThick/cosR; | |
773 | ||
4b0fdcad | 774 | // |
775 | ||
37831078 | 776 | dm[18]= 248.4; |
777 | dm[19]= 59.0+(248.4-73.3)*tanR; | |
778 | dm[20]= dm[19]+sandThick/cosR; | |
4b0fdcad | 779 | |
4b0fdcad | 780 | // |
37831078 | 781 | |
782 | dm[21]= 248.4; | |
783 | dm[22]= dm[19]; | |
784 | dm[23]= 70.2; | |
785 | ||
4b0fdcad | 786 | // |
4b0fdcad | 787 | |
37831078 | 788 | dm[24]= 250.4; |
789 | dm[25]= 66.0; | |
790 | dm[26]= 70.2; | |
791 | ||
792 | gMC->Gsvolu("TICR","PCON",idtmed[4],dm,27); | |
793 | ||
794 | ||
795 | ||
796 | // Daughter volumes | |
797 | ||
798 | // Tpc SAndwich 13 - Al | |
799 | ||
800 | dm[0]= 0.; | |
801 | dm[1]= 360.; | |
802 | dm[2]= 2.; | |
803 | ||
4b0fdcad | 804 | // |
37831078 | 805 | |
806 | dm[3]= 78.3; | |
807 | dm[4]= 59.0+(78.3-73.3)*tanR; | |
808 | dm[5]= dm[4]+sandThick/cosR; | |
809 | ||
4b0fdcad | 810 | // |
811 | ||
37831078 | 812 | dm[6]= 249.1; |
813 | dm[7]= 59.0+(249.1-73.3)*tanR; | |
814 | dm[8]= dm[7]+sandThick/cosR; | |
4b0fdcad | 815 | |
816 | // | |
37831078 | 817 | |
818 | gMC->Gsvolu("TS13","PCON",idtmed[4],dm,9); | |
819 | ||
820 | // Tpc SAndwich 14 - Tedlar | |
821 | ||
822 | dm[4]+= 5.e-3/cosR; | |
823 | dm[5]-= 5.e-3/cosR; | |
824 | ||
4b0fdcad | 825 | // |
4b0fdcad | 826 | |
37831078 | 827 | dm[7]+= 5.e-3/cosR; |
828 | dm[8]+= 5.e-3/cosR; | |
829 | ||
830 | gMC->Gsvolu("TS14","PCON",idtmed[9],dm,9); | |
831 | ||
832 | // Tpc SAndwich 15 - Kevlar | |
833 | ||
834 | dm[4]+= 5.e-3/cosR; | |
835 | dm[5]-= 5.e-3/cosR; | |
836 | ||
4b0fdcad | 837 | // |
37831078 | 838 | |
839 | dm[7]+= 5.e-3/cosR; | |
840 | dm[8]+= 5.e-3/cosR; | |
841 | ||
842 | gMC->Gsvolu("TS15","PCON",idtmed[5],dm,9); | |
843 | ||
844 | // Tpc SAndwich 16 - NOMEX | |
845 | ||
846 | dm[4]+= 0.06/cosR; | |
847 | dm[5]-= 0.06/cosR; | |
848 | ||
4b0fdcad | 849 | // |
37831078 | 850 | |
851 | dm[7]+= 0.06/cosR; | |
852 | dm[8]+= 0.06/cosR; | |
853 | ||
854 | gMC->Gsvolu("TS16","PCON",idtmed[6],dm,9); | |
855 | ||
856 | // 16->15->14->13 | |
857 | ||
858 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
859 | gMC->Gspos("TS15",1,"TS14",0.,0.,0.,0,"ONLY"); | |
860 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); | |
861 | ||
862 | // TS12->TICR | |
863 | ||
864 | gMC->Gspos("TS13",1,"TICR",0.,0.,0.,0,"ONLY"); | |
865 | ||
866 | //------------------------------------------------------ | |
867 | // Tpc Inner Field Cage | |
868 | // mother volume - Al, daughters - composite (sandwich) | |
869 | //------------------------------------------------------ | |
870 | ||
871 | dm[0]= 0.; | |
872 | dm[1]= 360.; | |
873 | dm[2]=6.; | |
874 | ||
875 | // | |
876 | ||
877 | dm[3]= -253.0; | |
878 | dm[4]= 70.7; | |
879 | dm[5]= 79.2; | |
880 | ||
881 | // | |
882 | ||
883 | dm[6]= -251.0; | |
884 | dm[7]= 70.7; | |
885 | dm[8]= 79.2; | |
886 | ||
887 | // | |
888 | ||
889 | dm[9]= -251.0; | |
890 | dm[10]= 77.15; | |
891 | dm[11]= 79.2; | |
892 | ||
893 | // | |
894 | ||
895 | dm[12]= 251.0; | |
896 | dm[13]= 77.15; | |
897 | dm[14]= 79.2; | |
898 | ||
899 | // | |
900 | ||
901 | dm[15]= 251.0; | |
902 | dm[16]= 66.0; | |
903 | dm[17]= 79.2; | |
904 | ||
905 | // | |
906 | ||
907 | dm[18]= 253.0; | |
908 | dm[19]= 66.0; | |
909 | dm[20]= 79.2; | |
910 | ||
911 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,21); | |
912 | ||
913 | // Daughter volumes | |
914 | ||
6a905708 | 915 | // Tpc Sandwich 17 - Tedlar |
37831078 | 916 | |
917 | dm[0]= 77.15; | |
918 | dm[1]= 79.2; | |
919 | dm[2]= 251.7; | |
920 | ||
6a905708 | 921 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 922 | |
6a905708 | 923 | // Tpc Sandwich 18 - Kevlar |
37831078 | 924 | |
925 | dm[0]+= 5.e-3; | |
926 | dm[1]-= 5.e-3; | |
927 | ||
6a905708 | 928 | gMC->Gsvolu("TS18","TUBE",idtmed[5],dm,3); |
37831078 | 929 | |
37831078 | 930 | |
6a905708 | 931 | // Tpc Sandwich 19 - NOMEX |
37831078 | 932 | |
6a905708 | 933 | dm[0]+= 0.02; |
934 | dm[1]-= 0.02; | |
37831078 | 935 | |
6a905708 | 936 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 937 | |
6a905708 | 938 | // 19->18->17 |
37831078 | 939 | |
37831078 | 940 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
941 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); | |
942 | ||
943 | // TS17->TIFC | |
944 | ||
945 | gMC->Gspos("TS17",1,"TIFC",0.,0.,0.,0,"ONLY"); | |
946 | ||
947 | // TPC Rings | |
948 | ||
949 | dm[0]= 70.7; | |
950 | dm[1]= 79.2; | |
951 | dm[2]= 0.3; | |
952 | ||
953 | gMC->Gsposp("TPCR",4,"TIIN",0.,0.,-253.3,0,"ONLY",dm,3); | |
954 | ||
955 | dm[0]= 66.0; | |
956 | dm[1]= 70.2; | |
957 | ||
958 | gMC->Gsposp("TPCR",5,"TIIN",0.,0.,250.7,0,"ONLY",dm,3); | |
959 | ||
960 | dm[0]= 75.3; | |
961 | dm[1]= 79.2; | |
962 | ||
963 | gMC->Gsposp("TPCR",6,"TIIN",0.,0.,253.3,0,"ONLY",dm,3); | |
964 | ||
965 | // TICL->TIIN | |
966 | ||
967 | gMC->Gspos("TICL",1,"TIIN",0.,0.,0.,0,"ONLY"); | |
968 | ||
969 | // TICR->TIIN | |
970 | ||
971 | gMC->Gspos("TICR",1,"TIIN",0.,0.,0.,0,"ONLY"); | |
972 | ||
973 | // TIFC->TIIN | |
974 | ||
975 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); | |
976 | ||
977 | // Tpc Sandwich 21 - Al (central barrel) | |
978 | ||
08db548a | 979 | dm[0]= 60.65; |
980 | dm[1]= 61.21; | |
37831078 | 981 | dm[2]= 75.2; |
982 | ||
983 | gMC->Gsvolu("TS21","TUBE",idtmed[4],dm,3); | |
984 | ||
985 | // Tpc Sandwich 22 - Tedlar (central barrel) | |
986 | ||
987 | dm[0]+= 5.e-3; | |
988 | dm[1]-= 5.e-3; | |
989 | ||
990 | gMC->Gsvolu("TS22","TUBE",idtmed[9],dm,3); | |
991 | ||
992 | // Tpc Sandwich 23 - Kevlar (central barrel) | |
993 | ||
994 | dm[0]+= 5.e-3; | |
995 | dm[1]-= 5.e-3; | |
996 | ||
997 | gMC->Gsvolu("TS23","TUBE",idtmed[5],dm,3); | |
998 | ||
999 | // Tpc Sandwich 24 - NOMEX (central barrel) | |
1000 | ||
1001 | dm[0]+= 0.02; | |
1002 | dm[1]-= 0.02; | |
1003 | ||
1004 | gMC->Gsvolu("TS24","TUBE",idtmed[6],dm,3); | |
1005 | ||
1006 | // 24->23->22->21 | |
1007 | ||
1008 | gMC->Gspos("TS24",1,"TS23",0.,0.,0.,0,"ONLY"); | |
1009 | gMC->Gspos("TS23",1,"TS22",0.,0.,0.,0,"ONLY"); | |
1010 | gMC->Gspos("TS22",1,"TS21",0.,0.,0.,0,"ONLY"); | |
1011 | ||
1012 | gMC->Gspos("TS21",1,"TIIN",0.,0.,0.,0,"ONLY"); | |
1013 | ||
1014 | // put everything into the TPC | |
1015 | ||
1016 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
1017 | ||
1018 | ||
1019 | //--------------------------------------------------------- | |
1020 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
1021 | // and its daughters (HV membrane, rods, readout chambers) | |
1022 | //--------------------------------------------------------- | |
1023 | ||
1024 | dm[0]= 79.2; | |
1025 | dm[1]= 258.0; | |
1026 | dm[2]= 253.6; | |
1027 | ||
1028 | gMC->Gsvolu("TDGS","TUBE",idtmed[2],dm,3); | |
1029 | ||
1030 | // sector opening angles | |
1031 | ||
1032 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
1033 | ||
1034 | // sector angle shift | |
1035 | ||
1036 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
1037 | ||
1038 | // number of sectors | |
1039 | ||
1040 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; | |
1041 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
1042 | ||
1043 | // All above parameters are identical for inner and outer | |
1044 | // sectors. The distinction is kept for the historical reasons | |
1045 | // and eventually will disappear. | |
1046 | ||
1047 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
1048 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
1049 | Float_t space; | |
1050 | ||
1051 | //------------------------------------------------------------------------- | |
1052 | // Tpc Inner Readout Chambers | |
1053 | //------------------------------------------------------------------------- | |
1054 | ||
1055 | dm[0]= 14.483; | |
1056 | dm[1]= 23.3345; | |
1057 | dm[2]= 1.6; // thickness | |
1058 | dm[3]= 25.1; | |
1059 | ||
1060 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
1061 | ||
1062 | // this volume will be positioned in the empty space | |
1063 | // of the end-cap to avoid overlaps | |
1064 | ||
1065 | dm[0]= 13.7305; | |
1066 | dm[1]= 21.1895; | |
1067 | dm[2]= 2.25; | |
1068 | dm[3]= 21.15; | |
1069 | ||
1070 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
1071 | ||
1072 | ||
1073 | //------------------------------------------------ | |
1074 | // Tpc Inner readout chamber Pad Plane | |
1075 | //------------------------------------------------ | |
1076 | ||
1077 | dm[0]= 14.483; | |
1078 | dm[1]= 23.3345; | |
1079 | dm[2]= 0.5; | |
1080 | dm[3]= 25.1; | |
1081 | ||
1082 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
1083 | ||
1084 | // | |
1085 | ||
1086 | dm[0] -= 1.218511934; | |
1087 | dm[1] -= 1.218511934; | |
1088 | dm[2] = 0.35; | |
1089 | ||
1090 | gMC->Gsvolu("TIC3","TRD1",idtmed[2],dm,4); | |
1091 | ||
1092 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
1093 | ||
1094 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
1095 | ||
1096 | ||
1097 | //---------------------------------------------- | |
1098 | // Tpc Readout Chambers Empty spaces - for both | |
1099 | // inner and outer sectors | |
1100 | //---------------------------------------------- | |
1101 | ||
1102 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
1103 | ||
1104 | // Inner sector - 4 spaces | |
1105 | ||
1106 | ||
1107 | dm[3] = 4.7625; | |
1108 | dm[0] = 12.472; | |
1109 | ||
1110 | Float_t rr = 90.52; | |
1111 | Float_t zz; | |
1112 | ||
1113 | zz= -12.7875; | |
1114 | ||
1115 | space = rr*tanAlpha-dm[0]; | |
1116 | ||
1117 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
1118 | ||
1119 | rr += 9.525; | |
1120 | dm[1]= rr*tanAlpha - space; | |
1121 | ||
1122 | dm[2]=0.8; | |
1123 | ||
1124 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
1125 | ||
1126 | // | |
1127 | ||
1128 | dm[2]= 1.2; | |
1129 | ||
1130 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
1131 | ||
1132 | rr += 0.4; | |
1133 | dm[0] = rr*tanAlpha - space; | |
1134 | zz += (0.4+9.525); | |
1135 | ||
1136 | } | |
1137 | ||
1138 | dm[0]= 12.472; | |
1139 | // dm[1] - this is the dm[1] from the previous TRCE | |
1140 | dm[2]= 1.05; | |
1141 | dm[3]= 19.65; | |
1142 | ||
1143 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.,0.,0,"ONLY",dm,4); | |
1144 | ||
1145 | // | |
1146 | // TPc Space for Connectors | |
1147 | // | |
1148 | ||
1149 | dm[0]= .3; | |
1150 | dm[1]= .3; | |
1151 | dm[2]= 4.5; | |
1152 | ||
1153 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
1154 | ||
1155 | // TPC Connectors | |
1156 | ||
1157 | dm[0]= .25; | |
1158 | dm[1]= .15; | |
1159 | dm[2]= 3.75; | |
1160 | ||
1161 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1162 | ||
1163 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1164 | ||
1165 | zz = -12.7875; | |
1166 | ||
1167 | ||
1168 | Float_t alpha; | |
1169 | Float_t astep; | |
1170 | ||
1171 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles | |
1172 | ||
1173 | // inner part of the inner sector - 2 x 20 holes | |
1174 | ||
1175 | astep = 20.00096874/19.; | |
1176 | ||
1177 | alpha = 10.00048437-astep; | |
1178 | ||
1179 | Float_t x1,x2; | |
1180 | ||
1181 | x1 = 13.31175725; | |
1182 | x1 -= 0.996357832; | |
1183 | ||
1184 | x2 = 15.06180253; | |
1185 | x2 -= 1.163028812; | |
1186 | ||
1187 | Int_t ncon; | |
1188 | ||
1189 | for(ncon=0;ncon<20;ncon++){ | |
1190 | ||
1191 | phi1 = 0.; | |
1192 | theta1 = 90.+alpha; | |
1193 | phi2=90.; | |
1194 | theta2 = 90.; | |
1195 | phi3 = (alpha>0) ? 0. : 180.; | |
1196 | theta3 = TMath::Abs(alpha); | |
1197 | ||
1198 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1199 | ||
1200 | ||
1201 | ||
1202 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1203 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1204 | ||
1205 | ||
1206 | x1 -= 1.296357833; | |
1207 | x2 -= 1.463028812; | |
1208 | ||
1209 | alpha -= astep; | |
1210 | nRotMat++; | |
1211 | ||
1212 | } | |
1213 | ||
1214 | // outer part of the inner sector - 2 x 25 holes | |
1215 | ||
1216 | astep = 20.00096874/24.; | |
1217 | alpha = 10.00048437-astep; | |
1218 | ||
1219 | x1 = 16.81184781; | |
1220 | x1 -= 1.016295986; | |
1221 | ||
1222 | x2 = 18.5618931; | |
1223 | x2 -= 1.150914854; | |
1224 | ||
1225 | for(ncon=0;ncon<25;ncon++){ | |
1226 | ||
1227 | phi1 = 0.; | |
1228 | theta1 = 90.+alpha; | |
1229 | phi2=90.; | |
1230 | theta2 = 90.; | |
1231 | phi3 = (alpha>0) ? 0. : 180.; | |
1232 | theta3 = TMath::Abs(alpha); | |
1233 | ||
1234 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1235 | ||
1236 | ||
1237 | ||
1238 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1239 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1240 | ||
1241 | ||
1242 | x1 -= 1.316295986; | |
1243 | x2 -= 1.450914854; | |
1244 | ||
1245 | alpha -= astep; | |
1246 | nRotMat++; | |
1247 | ||
1248 | } | |
1249 | ||
1250 | //-------------------------------------------------------------------------- | |
1251 | // TPC Outer Readout Chambers | |
1252 | // this is NOT a final design | |
1253 | //-------------------------------------------------------------------------- | |
1254 | ||
1255 | dm[0]= 23.3875; | |
1256 | dm[1]= 43.524; | |
1257 | dm[2]= 1.5; //thickness | |
1258 | dm[3]= 57.1; | |
1259 | ||
1260 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1261 | ||
1262 | //------------------------------------------------ | |
1263 | // Tpc Outerr readout chamber Pad Plane | |
1264 | //------------------------------------------------ | |
1265 | ||
1266 | dm[2]= 0.5; | |
1267 | ||
1268 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1269 | ||
1270 | dm[0] -= 1.218511934; | |
1271 | dm[1] -= 1.218511934; | |
1272 | dm[2] = 0.35; | |
1273 | ||
1274 | gMC->Gsvolu("TOC3","TRD1",idtmed[2],dm,4); | |
1275 | ||
1276 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1277 | ||
1278 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1279 | ||
1280 | // empty space | |
1281 | ||
1282 | ||
1283 | dm[0]= 21.035; | |
1284 | dm[1]= 38.7205; | |
1285 | dm[2]= 0.7; | |
1286 | dm[3]= 50.15; | |
1287 | ||
1288 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1289 | ||
1290 | dm[0]= 22.2935; | |
1291 | dm[1]= 40.5085; | |
1292 | dm[2]= 2.25; | |
1293 | dm[3]= 51.65; | |
1294 | ||
1295 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1296 | ||
1297 | ||
1298 | dm[0]= 21.35; | |
1299 | dm[1]= 38.7205; | |
1300 | dm[2]= 2.25; | |
1301 | dm[3]= 50.15; | |
1302 | ||
1303 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); | |
1304 | ||
1305 | ||
1306 | //----------------------------------------------- | |
1307 | // Tpc Services Support Wheel | |
1308 | //----------------------------------------------- | |
1309 | ||
1310 | dm[0]=0.; | |
1311 | dm[1]=360.; | |
1312 | dm[2]=18.; | |
1313 | dm[3]=2.; | |
1314 | ||
1315 | dm[4]= -5.; | |
1316 | dm[5]= 77.017; | |
1317 | dm[6]= 255.267; | |
1318 | ||
1319 | dm[7]= 5.; | |
1320 | dm[8]= dm[5]; | |
1321 | dm[9]= dm[6]; | |
1322 | ||
1323 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1324 | ||
1325 | // Tpc Services Wheel Cover | |
1326 | ||
1327 | dm[4]= -0.5; | |
1328 | dm[7]= 0.5; | |
1329 | ||
1330 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1331 | ||
1332 | // Tpc Service wheel Cover Empty space | |
1333 | ||
1334 | dm[0]= 10.99; | |
1335 | dm[1]= 39.599; | |
1336 | dm[2]= .5; | |
1337 | dm[3]= 81.125; | |
1338 | ||
1339 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1340 | ||
1341 | // Tpc services Wheel Empty Spaces | |
1342 | ||
1343 | dm[0]= 13.18017507; | |
1344 | dm[1]= 44.61045938; | |
1345 | dm[2]= 4.; | |
1346 | dm[3]= 89.125; | |
1347 | ||
1348 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1349 | ||
1350 | // Tpc Services Wheel Bars | |
1351 | ||
1352 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1353 | ||
1354 | // bars-> TWES | |
1355 | ||
1356 | dm[2]= 4.; | |
1357 | dm[3]= .4; | |
1358 | ||
1359 | dm[0]= 13.8149522; | |
1360 | dm[1]= 13.95601379; | |
1361 | ||
1362 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1363 | ||
1364 | dm[0]= 43.83462067; | |
1365 | dm[1]= 43.97568225; | |
1366 | ||
1367 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1368 | ||
1369 | // TPc ELectronics - right now 30% X0 Si | |
1370 | ||
1371 | dm[0]= 14.03813696; | |
1372 | dm[1]= 43.3524075; | |
1373 | dm[2]= 1.404; | |
1374 | dm[3]= 83.125; | |
1375 | ||
1376 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1377 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1378 | ||
1379 | ||
1380 | //-------------------------------------------------------------------------- | |
1381 | // End caps | |
1382 | //-------------------------------------------------------------------------- | |
1383 | ||
1384 | // TPc Main Wheel - Al | |
1385 | ||
1386 | dm[0]= 75.3; | |
1387 | dm[1]= 264.8; | |
1388 | dm[2]= 3.0; | |
1389 | ||
1390 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1391 | ||
1392 | // TPc Extra Wheel (to avoid overlapping) - Al | |
1393 | ||
1394 | dm[0]= 264.8; | |
1395 | dm[1]= 277.0; | |
1396 | dm[2]= 1.95; | |
1397 | ||
1398 | gMC->Gsvolu("TPEW","TUBE",idtmed[4],dm,3); | |
1399 | ||
1400 | //-------------------------------------------------------------------------- | |
1401 | // Tpc Empty Space for the Readout chambers | |
1402 | //-------------------------------------------------------------------------- | |
1403 | ||
1404 | Float_t rLow= 86.2; | |
1405 | Float_t rUp= 243.5; | |
1406 | Float_t dR = 0.5*(rUp-rLow); | |
1407 | ||
1408 | space= 1.4/cosAlpha; // wheel ribs are 2.8 cm wide | |
1409 | ||
1410 | dm[0]= rLow*tanAlpha-space; | |
1411 | dm[1]= rUp*tanAlpha-space; | |
1412 | dm[2]= 3.0; | |
1413 | dm[3]= dR; | |
1414 | ||
1415 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1416 | ||
1417 | // TIC1->TESR | |
1418 | ||
1419 | ||
1420 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); | |
1421 | ||
1422 | ||
1423 | // TOC1->TESR | |
1424 | ||
1425 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1426 | ||
1427 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1428 | ||
1429 | Float_t zBar; | |
1430 | ||
1431 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1432 | ||
1433 | // lower bar | |
1434 | ||
1435 | dm[0]= rLow*tanAlpha-space; | |
1436 | dm[1]= 88.7*tanAlpha-space; | |
1437 | dm[2]= 0.95; | |
1438 | dm[3]= 1.275; | |
1439 | ||
1440 | zBar = -dR+dm[3]; | |
1441 | ||
1442 | gMC->Gsposp("TESB",1,"TESR",0.,2.05,zBar,0,"ONLY",dm,4); | |
1443 | ||
1444 | // middle bar | |
1445 | ||
1446 | dm[0]= 131.65*tanAlpha-space; | |
1447 | dm[1]= 136.5*tanAlpha-space; | |
1448 | dm[3]= 2.425; | |
1449 | ||
1450 | zBar = -dR +131.65+dm[3]-rLow; | |
1451 | ||
1452 | gMC->Gsposp("TESB",2,"TESR",0.,2.05,zBar,0,"ONLY",dm,4); | |
1453 | ||
1454 | // upper bar | |
1455 | ||
1456 | dm[0]= 240.4*tanAlpha-space; | |
1457 | dm[1]= rUp*tanAlpha-space; | |
1458 | dm[3]= 1.55; | |
1459 | ||
1460 | zBar = dR-dm[3]; | |
1461 | ||
1462 | gMC->Gsposp("TESB",3,"TESR",0.,2.05,zBar,0,"ONLY",dm,4); | |
1463 | ||
1464 | // positioning of the empty spaces into the main wheel | |
1465 | ||
1466 | Float_t rCenter,xc,yc; | |
1467 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1468 | ||
1469 | rCenter = rLow+dR; | |
1470 | ||
1471 | rInner = 108.07; | |
1472 | rOuter = 190.68; | |
1473 | ||
1474 | for(Int_t ns=0; ns<nInnerSector;ns++){ | |
1475 | ||
1476 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1477 | phi1 *= kRaddeg; // in degrees | |
1478 | ||
1479 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1480 | ||
1481 | if (phi1 > 360.) phi1 -= 360.; | |
1482 | ||
1483 | theta1 = 90.; | |
1484 | phi2 = 90.; | |
1485 | theta2 = 180.; | |
1486 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1487 | phi3 *= kRaddeg; // in degrees | |
1488 | ||
1489 | phi3 = (Float_t)TMath::Nint(phi3); | |
1490 | ||
1491 | if(phi3 > 360.) phi3 -= 360.; | |
1492 | ||
1493 | theta3 = 90.; | |
1494 | ||
1495 | // "holes"->End plate | |
1496 | ||
1497 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1498 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1499 | ||
1500 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1501 | ||
1502 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1503 | ||
1504 | // TSCE->TSWC (services wheel volumes) | |
1505 | ||
1506 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1507 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1508 | ||
1509 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1510 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1511 | ||
1512 | ||
1513 | // readout chambers->TDGS (drift gas) | |
1514 | ||
1515 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1516 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1517 | ||
1518 | gMC->Gspos("TIRC",ns+1,"TDGS",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1519 | ||
1520 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1521 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1522 | ||
1523 | gMC->Gspos("TORC",ns+1,"TDGS",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1524 | ||
1525 | nRotMat++; | |
1526 | ||
1527 | theta2 = 0.; // reflection | |
1528 | ||
1529 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1530 | ||
1531 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1532 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1533 | ||
1534 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGS",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1535 | ||
1536 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1537 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1538 | ||
1539 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGS",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1540 | ||
1541 | nRotMat++; | |
1542 | ||
1543 | ||
1544 | } | |
1545 | ||
1546 | ||
1547 | // reflection matrix | |
1548 | ||
1549 | theta1 = 90.; | |
1550 | phi1 = 0.; | |
1551 | theta2 = 90.; | |
1552 | phi2 = 270.; | |
1553 | theta3 = 180.; | |
1554 | phi3 = 0.; | |
1555 | ||
1556 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1557 | ||
1558 | ||
1559 | // TPMW->TPC | |
1560 | ||
1561 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
1562 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[nRotMat],"ONLY"); | |
1563 | gMC->Gspos("TPEW",1,"TPC ",0.,0.,257.65,0,"ONLY"); | |
1564 | gMC->Gspos("TPEW",2,"TPC ",0.,0.,-257.65,0,"ONLY"); | |
1565 | ||
1566 | ||
1567 | ||
1568 | //------------------------------------------------------- | |
1569 | // Tpc High Voltage Membrane - NOMEX honeycomb | |
1570 | //------------------------------------------------------- | |
1571 | ||
1572 | dm[0]=0., | |
1573 | dm[1]=360.; | |
1574 | dm[2]=18.; | |
1575 | dm[3]=2.; | |
1576 | ||
1577 | // | |
1578 | ||
1579 | dm[4]= -0.3; | |
1580 | dm[5]= 81.156; | |
1581 | dm[6]= 253.386; | |
1582 | ||
1583 | // | |
1584 | ||
1585 | dm[7]= 0.3; | |
1586 | dm[8]= dm[5]; | |
1587 | dm[9]= dm[6]; | |
1588 | ||
1589 | gMC->Gsvolu("THVM","PGON",idtmed[6],dm,10); | |
1590 | ||
1591 | gMC->Gspos("THVM",1,"TDGS",0.,0.,0.,0,"ONLY"); | |
1592 | ||
1593 | //---------------------------------------------------------- | |
1594 | // TPc Support Rods - MAKROLON | |
1595 | //---------------------------------------------------------- | |
1596 | ||
1597 | dm[0]= 0.9; | |
1598 | dm[1]= 1.2; | |
1599 | dm[2]= 126.65; | |
1600 | ||
1601 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,3); | |
1602 | ||
1603 | for(Int_t nrod=1;nrod<18;nrod++){ | |
1604 | Float_t angle=innerOpenAngle*(Float_t)nrod; | |
1605 | ||
1606 | xc=82.4*TMath::Cos(angle); | |
1607 | yc=82.4*TMath::Sin(angle); | |
1608 | ||
1609 | gMC->Gspos("TPSR",nrod,"TDGS",xc,yc,126.95,0,"ONLY"); | |
1610 | gMC->Gspos("TPSR",nrod+17,"TDGS",xc,yc,-126.95,0,"ONLY"); | |
1611 | ||
1612 | xc=254.2*TMath::Cos(angle); | |
1613 | yc=254.2*TMath::Sin(angle); | |
1614 | ||
1615 | gMC->Gspos("TPSR",nrod+34,"TDGS",xc,yc,126.95,0,"ONLY"); | |
1616 | gMC->Gspos("TPSR",nrod+51,"TDGS",xc,yc,-126.95,0,"ONLY"); | |
1617 | ||
1618 | } | |
1619 | ||
1620 | //---------------------------------------------------------- | |
1621 | // Tpc High Voltage rod - MAKROLON + Copper cable | |
1622 | //---------------------------------------------------------- | |
1623 | ||
1624 | // rod with cable (Left) | |
1625 | ||
1626 | dm[0]=0.; | |
1627 | dm[1]=2.25; | |
1628 | dm[2]=126.65; | |
1629 | ||
1630 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1631 | ||
1632 | // HV cable | |
1633 | ||
1634 | dm[0]=0.; | |
1635 | dm[1]=0.3; | |
1636 | dm[2]=126.65; | |
1637 | ||
1638 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); | |
1639 | ||
1640 | // empty space | |
1641 | ||
1642 | dm[0]=0.3; | |
1643 | dm[1]=1.; | |
1644 | dm[2]=126.65; | |
1645 | ||
1646 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1647 | ||
1648 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1649 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1650 | ||
1651 | // rod without cable | |
1652 | ||
1653 | dm[0]=1.8; | |
1654 | dm[1]=2.25; | |
1655 | dm[2]=126.65; | |
1656 | ||
1657 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1658 | ||
1659 | ||
1660 | ||
1661 | gMC->Gspos("THVL",1,"TDGS",82.4,0.,-126.95,0,"ONLY"); | |
1662 | gMC->Gspos("THVL",2,"TDGS",254.2,0.,-126.95,0,"ONLY"); | |
1663 | ||
1664 | gMC->Gspos("THVR",1,"TDGS",82.4,0.,126.95,0,"ONLY"); | |
1665 | gMC->Gspos("THVR",2,"TDGS",254.2,0.,126.95,0,"ONLY"); | |
1666 | ||
1667 | ||
1668 | ||
1669 | gMC->Gspos("TDGS",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
1670 | ||
1671 | // services wheel cover -> wheel | |
1672 | ||
1673 | ||
1674 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1675 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1676 | ||
1677 | ||
1678 | // put the wheel into the TPC | |
1679 | ||
1680 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1681 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1682 | ||
1683 | gMC->Gsord("TPMW",6); | |
1684 | gMC->Gsord("TSSW",6); | |
1685 | gMC->Gsord("TSWC",6); | |
1686 | ||
1687 | // put the TPC into ALIC (main mother volume) | |
1688 | ||
1689 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); | |
1690 | ||
1691 | ||
1692 | } // end of function | |
37831078 | 1693 | |
1694 | //_____________________________________________________________________________ | |
1695 | void AliTPCv3::DrawDetector() | |
1696 | { | |
1697 | // | |
1698 | // Draw a shaded view of the Time Projection Chamber version 1 | |
1699 | // | |
1700 | ||
1701 | ||
1702 | // Set everything unseen | |
1703 | gMC->Gsatt("*", "seen", -1); | |
1704 | // | |
1705 | // Set ALIC mother transparent | |
1706 | gMC->Gsatt("ALIC","SEEN",0); | |
1707 | // | |
1708 | // Set the volumes visible | |
1709 | // | |
1710 | ||
1711 | gMC->Gsatt("TPC ","SEEN",0); | |
1712 | gMC->Gsatt("TOIN","SEEN",1); | |
1713 | gMC->Gsatt("TOIN","COLO",7); | |
1714 | gMC->Gsatt("TPCR","SEEN",0); | |
1715 | gMC->Gsatt("TOCV","SEEN",1); | |
1716 | gMC->Gsatt("TOCV","COLO",4); | |
1717 | gMC->Gsatt("TSA1","SEEN",0); | |
1718 | gMC->Gsatt("TSA2","SEEN",0); | |
1719 | gMC->Gsatt("TSA3","SEEN",0); | |
1720 | gMC->Gsatt("TSA4","SEEN",0); | |
1721 | gMC->Gsatt("TOFC","SEEN",1); | |
1722 | gMC->Gsatt("TOFC","COLO",4); | |
1723 | gMC->Gsatt("TSA5","SEEN",0); | |
1724 | gMC->Gsatt("TSA6","SEEN",0); | |
1725 | gMC->Gsatt("TSA7","SEEN",0); | |
37831078 | 1726 | gMC->Gsatt("TIIN","COLO",7); |
1727 | gMC->Gsatt("TIIN","SEEN",1); | |
1728 | gMC->Gsatt("TICL","SEEN",0); | |
1729 | gMC->Gsatt("TSA9","SEEN",0); | |
1730 | gMC->Gsatt("TS10","SEEN",0); | |
1731 | gMC->Gsatt("TS11","SEEN",0); | |
1732 | gMC->Gsatt("TS12","SEEN",0); | |
1733 | gMC->Gsatt("TICR","SEEN",0); | |
1734 | gMC->Gsatt("TS13","SEEN",0); | |
1735 | gMC->Gsatt("TS14","SEEN",0); | |
1736 | gMC->Gsatt("TS15","SEEN",0); | |
1737 | gMC->Gsatt("TS16","SEEN",0); | |
1738 | gMC->Gsatt("TIFC","SEEN",1); | |
1739 | gMC->Gsatt("TIFC","COLO",4); | |
1740 | gMC->Gsatt("TS17","SEEN",0); | |
1741 | gMC->Gsatt("TS18","SEEN",0); | |
1742 | gMC->Gsatt("TS19","SEEN",0); | |
37831078 | 1743 | gMC->Gsatt("TS21","SEEN",0); |
1744 | gMC->Gsatt("TS22","SEEN",0); | |
1745 | gMC->Gsatt("TS23","SEEN",0); | |
1746 | gMC->Gsatt("TS24","SEEN",0); | |
1747 | gMC->Gsatt("TDGS","SEEN",0); | |
1748 | gMC->Gsatt("TIRC","SEEN",0); | |
1749 | gMC->Gsatt("TIC1","SEEN",1); | |
1750 | gMC->Gsatt("TIPP","SEEN",0); | |
1751 | gMC->Gsatt("TIC3","SEEN",0); | |
1752 | gMC->Gsatt("TRCE","SEEN",0); | |
1753 | gMC->Gsatt("TPSC","SEEN",0); | |
1754 | gMC->Gsatt("TPCC","SEEN",0); | |
1755 | gMC->Gsatt("TORC","SEEN",0); | |
1756 | gMC->Gsatt("TOPP","SEEN",0); | |
1757 | gMC->Gsatt("TOC3","SEEN",0); | |
1758 | gMC->Gsatt("TOC1","SEEN",1); | |
1759 | gMC->Gsatt("TSSW","SEEN",1); | |
1760 | gMC->Gsatt("TSWC","SEEN",1); | |
1761 | gMC->Gsatt("TSCE","SEEN",1); | |
1762 | gMC->Gsatt("TSSW","COLO",3); | |
1763 | gMC->Gsatt("TSWC","COLO",3); | |
1764 | gMC->Gsatt("TSCE","COLO",6); | |
1765 | gMC->Gsatt("TWES","SEEN",0); | |
1766 | gMC->Gsatt("TSWB","SEEN",0); | |
1767 | gMC->Gsatt("TPEL","SEEN",0); | |
1768 | gMC->Gsatt("TPMW","SEEN",1); | |
1769 | gMC->Gsatt("TPEW","SEEN",1); | |
1770 | gMC->Gsatt("TESR","SEEN",1); | |
1771 | gMC->Gsatt("TPMW","COLO",12); | |
1772 | gMC->Gsatt("TPEW","COLO",12); | |
1773 | gMC->Gsatt("TWES","COLO",5); | |
1774 | gMC->Gsatt("TIC1","COLO",5); | |
1775 | gMC->Gsatt("TOC1","COLO",5); | |
1776 | gMC->Gsatt("TESB","SEEN",0); | |
1777 | gMC->Gsatt("TPLS","SEEN",0); | |
1778 | gMC->Gsatt("TPUS","SEEN",0); | |
1779 | gMC->Gsatt("TPSS","SEEN",0); | |
1780 | gMC->Gsatt("THVM","SEEN",1); | |
1781 | gMC->Gsatt("THVM","COLO",11); | |
1782 | gMC->Gsatt("TPSR","SEEN",0); | |
1783 | gMC->Gsatt("THVL","SEEN",0); | |
1784 | gMC->Gsatt("THVC","SEEN",0); | |
1785 | gMC->Gsatt("THVE","SEEN",0); | |
1786 | gMC->Gsatt("THVR","SEEN",0); | |
1787 | ||
1788 | // | |
1789 | gMC->Gdopt("hide", "on"); | |
1790 | gMC->Gdopt("shad", "on"); | |
1791 | gMC->Gsatt("*", "fill", 7); | |
1792 | gMC->SetClipBox("."); | |
1793 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1794 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1795 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1796 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1797 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1798 | gMC->DefaultRange(); | |
1799 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1800 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1801 | gMC->Gdman(18, 4, "MAN"); | |
1802 | gMC->Gdopt("hide","off"); | |
1803 | } | |
1804 | ||
1805 | //_____________________________________________________________________________ | |
1806 | void AliTPCv3::CreateMaterials() | |
1807 | { | |
1808 | // | |
1809 | // Define materials for version 2 of the Time Projection Chamber | |
1810 | // | |
1811 | ||
1812 | ||
1813 | // | |
1814 | AliTPC::CreateMaterials(); | |
1815 | } | |
1816 | ||
1817 | //_____________________________________________________________________________ | |
1818 | void AliTPCv3::Init() | |
1819 | { | |
1820 | // | |
1821 | // Initialises version 3 of the TPC after that it has been built | |
1822 | // | |
1823 | Int_t *idtmed = fIdtmed->GetArray(); | |
4b0fdcad | 1824 | |
1825 | AliTPC::Init(); | |
1826 | ||
37831078 | 1827 | fIdSens=gMC->VolId("TDGS"); // drift gas as a sensitive volume |
4b0fdcad | 1828 | |
1829 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1830 | ||
37831078 | 1831 | gMC->Gstpar(idtmed[2],"LOSS",5); |
4b0fdcad | 1832 | |
1833 | printf("*** TPC version 3 initialized ***\n"); | |
1834 | printf("Maximum number of steps = %d\n",gMC->GetMaxNStep()); | |
1835 | ||
1836 | // | |
1837 | ||
1838 | } | |
1839 | ||
1840 | //_____________________________________________________________________________ | |
1841 | void AliTPCv3::StepManager() | |
1842 | { | |
1843 | // | |
1844 | // Called for every step in the Time Projection Chamber | |
1845 | // | |
1846 | ||
1847 | // | |
1848 | // parameters used for the energy loss calculations | |
1849 | // | |
73042f01 | 1850 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1851 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1852 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
4b0fdcad | 1853 | |
1854 | ||
73042f01 | 1855 | const Float_t kbig = 1.e10; |
4b0fdcad | 1856 | |
1857 | Int_t id,copy; | |
1858 | TLorentzVector pos; | |
1859 | Float_t hits[4]; | |
1860 | Int_t vol[2]; | |
1861 | TClonesArray &lhits = *fHits; | |
1862 | ||
1863 | vol[1]=0; | |
1864 | vol[0]=0; | |
1865 | ||
1866 | // | |
1867 | ||
73042f01 | 1868 | gMC->SetMaxStep(kbig); |
4b0fdcad | 1869 | |
1870 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
1871 | ||
1872 | Float_t charge = gMC->TrackCharge(); | |
1873 | ||
1874 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1875 | ||
1876 | ||
1877 | id=gMC->CurrentVolID(copy); | |
1878 | ||
1879 | // Check the sensitive volume | |
1880 | ||
37831078 | 1881 | if (id != fIdSens) return; |
4b0fdcad | 1882 | |
1883 | // | |
1884 | // charged particle is in the sensitive volume | |
1885 | // | |
1886 | ||
1887 | if(gMC->TrackStep() > 0) { | |
1888 | ||
1889 | ||
73042f01 | 1890 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
4b0fdcad | 1891 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1892 | ||
1893 | gMC->TrackPosition(pos); | |
1894 | hits[0]=pos[0]; | |
1895 | hits[1]=pos[1]; | |
1896 | hits[2]=pos[2]; | |
1897 | ||
1898 | // | |
1899 | // check the selected side of the TPC | |
1900 | // | |
1901 | ||
1902 | if(fSide && fSide*hits[2]<=0.) return; | |
1903 | ||
1904 | hits[3]=(Float_t)nel; | |
1905 | ||
1906 | // Add this hit | |
1907 | ||
1908 | new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
1909 | ||
1910 | } | |
1911 | ||
1912 | // Stemax calculation for the next step | |
1913 | ||
1914 | Float_t pp; | |
1915 | TLorentzVector mom; | |
1916 | gMC->TrackMomentum(mom); | |
1917 | Float_t ptot=mom.Rho(); | |
73042f01 | 1918 | Float_t betaGamma = ptot/gMC->TrackMass(); |
4b0fdcad | 1919 | |
69e40cce | 1920 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1921 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
4b0fdcad | 1922 | { |
73042f01 | 1923 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
4b0fdcad | 1924 | } |
1925 | else | |
1926 | { | |
73042f01 | 1927 | pp=kprim*BetheBloch(betaGamma); |
4b0fdcad | 1928 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1929 | } | |
1930 | ||
1931 | Float_t random[1]; | |
1932 | gMC->Rndm(random,1); // good, old GRNDM from Geant3 | |
1933 | ||
1934 | Double_t rnd = (Double_t)random[0]; | |
1935 | ||
1936 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); | |
1937 | ||
1938 | } | |
1939 | ||
1940 | //_____________________________________________________________________________ | |
1941 | Float_t AliTPCv3::BetheBloch(Float_t bg) | |
1942 | { | |
1943 | // | |
1944 | // Bethe-Bloch energy loss formula | |
1945 | // | |
73042f01 | 1946 | const Double_t kp1=0.76176e-1; |
1947 | const Double_t kp2=10.632; | |
1948 | const Double_t kp3=0.13279e-4; | |
1949 | const Double_t kp4=1.8631; | |
1950 | const Double_t kp5=1.9479; | |
4b0fdcad | 1951 | |
1952 | Double_t dbg = (Double_t) bg; | |
1953 | ||
1954 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
1955 | ||
73042f01 | 1956 | Double_t aa = TMath::Power(beta,kp4); |
1957 | Double_t bb = TMath::Power(1./dbg,kp5); | |
4b0fdcad | 1958 | |
73042f01 | 1959 | bb=TMath::Log(kp3+bb); |
4b0fdcad | 1960 | |
73042f01 | 1961 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
4b0fdcad | 1962 | } |