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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 | $Log$ | |
13a8c8d7 | 18 | Revision 1.27 2001/05/08 16:03:06 kowal2 |
19 | Geometry update according to the latest technical spec. | |
20 | ||
cea9b4f7 | 21 | Revision 1.26 2001/04/27 15:23:07 kowal2 |
22 | Correct materian in the central part of the inner containment vessel | |
23 | ||
90222263 | 24 | Revision 1.25 2001/04/26 06:15:12 kowal2 |
25 | Corrected bug in the inner containment vessel (cones) | |
26 | ||
f4900c61 | 27 | Revision 1.24 2001/04/24 11:22:01 kowal2 |
28 | Protection against too small betagamma | |
29 | ||
7b562732 | 30 | Revision 1.23 2001/04/24 11:17:33 kowal2 |
31 | New TPC geometry. | |
32 | ||
79575d04 | 33 | Revision 1.22 2001/03/13 13:07:34 kowal2 |
34 | Corrected bug in the TPC mother volume geometry. | |
35 | Thanks to A. Morsch | |
36 | ||
7ab50f40 | 37 | Revision 1.21 2000/11/30 11:48:50 kowal2 |
38 | TLorentzVector.h adde to satisfy the latest changes by Federico | |
39 | ||
a383b30d | 40 | Revision 1.20 2000/11/14 10:48:57 kowal2 |
41 | Correct material used for TSA4. Thanks to J. Barbosa. | |
42 | ||
2c668420 | 43 | Revision 1.19 2000/11/06 17:24:10 kowal2 |
44 | Corrected bug in the outer containment vessel and | |
45 | the outer field cage geometry. | |
46 | Thanks to J. Barbosa. | |
47 | ||
720b23b8 | 48 | Revision 1.18 2000/11/02 16:55:24 kowal2 |
49 | Corrected bug in the inner containment vessel geometry. | |
50 | Thanks to J. Belikov | |
51 | ||
08db548a | 52 | Revision 1.17 2000/11/02 07:24:11 kowal2 |
53 | Correction in the TPC geometry. | |
54 | Changes due to the new hit structure. | |
55 | ||
6a905708 | 56 | Revision 1.16 2000/10/02 21:28:18 fca |
57 | Removal of useless dependecies via forward declarations | |
58 | ||
94de3818 | 59 | Revision 1.15 2000/07/10 20:57:39 hristov |
60 | Update of TPC code and macros by M.Kowalski | |
61 | ||
37831078 | 62 | Revision 1.14 2000/06/30 12:07:50 kowal2 |
63 | Updated from the TPC-PreRelease branch | |
64 | ||
73042f01 | 65 | Revision 1.13.2.4 2000/06/26 07:39:42 kowal2 |
66 | Changes to obey the coding rules | |
67 | ||
68 | Revision 1.13.2.3 2000/06/25 08:38:41 kowal2 | |
69 | Splitted from AliTPCtracking | |
70 | ||
71 | Revision 1.13.2.2 2000/06/16 12:58:13 kowal2 | |
72 | Changed parameter settings | |
73 | ||
74 | Revision 1.13.2.1 2000/06/09 07:15:07 kowal2 | |
75 | ||
76 | Defaults loaded automatically (hard-wired) | |
77 | Optional parameters can be set via macro called in the constructor | |
78 | ||
79 | Revision 1.13 2000/05/15 10:00:30 kowal2 | |
80 | Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova | |
81 | ||
e94dd9ca | 82 | Revision 1.12 2000/04/17 09:37:33 kowal2 |
83 | removed obsolete AliTPCDigitsDisplay.C | |
84 | ||
cc80f89e | 85 | Revision 1.11.8.2 2000/04/10 08:36:12 kowal2 |
86 | ||
87 | Updated readout chambers | |
88 | Some modifications to StepManager by M. Kowalski | |
89 | ||
90 | Revision 1.11.8.1 2000/04/10 07:56:53 kowal2 | |
91 | Not used anymore - removed | |
92 | ||
93 | Revision 1.11 1999/11/04 17:28:07 fca | |
94 | Correct barrel part of HV Degrader | |
95 | ||
a5371c42 | 96 | Revision 1.10 1999/10/14 16:52:08 fca |
97 | Only use PDG codes and not GEANT ones | |
98 | ||
69e40cce | 99 | Revision 1.9 1999/10/08 06:27:23 fca |
100 | Corrected bug in the HV degrader geometry, thanks to G.Tabary | |
101 | ||
d183a600 | 102 | Revision 1.8 1999/10/04 13:39:55 fca |
103 | Correct array index problem | |
104 | ||
cdde5b1e | 105 | Revision 1.7 1999/09/29 09:24:34 fca |
106 | Introduction of the Copyright and cvs Log | |
107 | ||
4c039060 | 108 | */ |
109 | ||
73042f01 | 110 | // |
4b0fdcad | 111 | /////////////////////////////////////////////////////////////////////////////// |
112 | // // | |
113 | // Time Projection Chamber version 3 -- detailed TPC and slow simulation // | |
37831078 | 114 | // |
4b0fdcad | 115 | //Begin_Html |
116 | /* | |
117 | <img src="picts/AliTPCv3Class.gif"> | |
118 | */ | |
119 | //End_Html | |
120 | // // | |
121 | // // | |
122 | /////////////////////////////////////////////////////////////////////////////// | |
123 | ||
124 | #include <stdlib.h> | |
125 | #include <TMath.h> | |
4b0fdcad | 126 | #include "AliTPCv3.h" |
127 | #include "AliRun.h" | |
94de3818 | 128 | #include "AliMC.h" |
4b0fdcad | 129 | #include "AliConst.h" |
cc80f89e | 130 | #include "AliTPCDigitsArray.h" |
131 | #include"AliTPCParam.h" | |
73042f01 | 132 | #include"AliTPCParamSR.h" |
69e40cce | 133 | #include "AliPDG.h" |
73042f01 | 134 | #include <TInterpreter.h> |
a383b30d | 135 | #include "TLorentzVector.h" |
79575d04 | 136 | #include "AliTPCTrackHits.h" |
4b0fdcad | 137 | |
138 | ClassImp(AliTPCv3) | |
79575d04 | 139 | //_____________________________________________________________________________ |
140 | ||
141 | AliTPCv3::AliTPCv3(){ | |
142 | ||
143 | fHitType = 1; | |
144 | ||
145 | } | |
146 | ||
4b0fdcad | 147 | //_____________________________________________________________________________ |
148 | AliTPCv3::AliTPCv3(const char *name, const char *title) : | |
149 | AliTPC(name, title) | |
150 | { | |
151 | // | |
cc80f89e | 152 | // Standard constructor for Time Projection Chamber version 3 |
4b0fdcad | 153 | // |
154 | ||
155 | SetBufferSize(128000); | |
37831078 | 156 | fIdSens=0; |
73042f01 | 157 | |
158 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); | |
159 | ||
160 | if (fTPCParam) | |
161 | fTPCParam->Write(fTPCParam->GetTitle()); | |
79575d04 | 162 | |
163 | fHitType =1; | |
4b0fdcad | 164 | } |
165 | ||
166 | //_____________________________________________________________________________ | |
167 | void AliTPCv3::CreateGeometry() | |
168 | { | |
169 | // | |
cc80f89e | 170 | // Creation of the TPC coarse geometry (version 3) |
37831078 | 171 | // The whole drift volume is sensitive |
cc80f89e | 172 | // Origin Marek Kowalski Cracow |
4b0fdcad | 173 | // |
174 | //Begin_Html | |
175 | /* | |
37831078 | 176 | <img src="picts/AliTPCgif"> |
4b0fdcad | 177 | */ |
178 | //End_Html | |
179 | //Begin_Html | |
180 | /* | |
37831078 | 181 | <img src="picts/AliTPCv3Tree.gif"> |
4b0fdcad | 182 | */ |
183 | //End_Html | |
37831078 | 184 | Float_t dm[50]; |
4b0fdcad | 185 | |
37831078 | 186 | Int_t *idtmed = fIdtmed->GetArray(); // TPC media |
1283eee5 | 187 | |
37831078 | 188 | Int_t idrotm[120]; // rotation matrices |
1283eee5 | 189 | |
37831078 | 190 | Int_t nRotMat = 0; // actual number of rotation matrices |
1283eee5 | 191 | |
192 | ||
37831078 | 193 | // |
194 | // Mother volume (Air) - all volumes will be positioned in it | |
195 | // | |
196 | ||
197 | dm[0]=0.; | |
198 | dm[1]=360.; | |
79575d04 | 199 | dm[2]=8.; |
4b0fdcad | 200 | |
37831078 | 201 | // |
1283eee5 | 202 | |
79575d04 | 203 | dm[3]=-283.7; |
204 | dm[4]=65.6; | |
205 | dm[5]=278.; | |
4b0fdcad | 206 | |
37831078 | 207 | // |
1283eee5 | 208 | |
79575d04 | 209 | dm[6]=-253.6; |
210 | dm[7]=65.6; | |
211 | dm[8]=278.; | |
1283eee5 | 212 | |
37831078 | 213 | // |
1283eee5 | 214 | |
79575d04 | 215 | dm[9]=-73.3; |
216 | dm[10]=60.9; | |
217 | dm[11]=278.; | |
1283eee5 | 218 | |
37831078 | 219 | // |
1283eee5 | 220 | |
79575d04 | 221 | dm[12]=-73.3; |
222 | dm[13]=56.9; | |
223 | dm[14]=278.; | |
1283eee5 | 224 | |
37831078 | 225 | // |
1283eee5 | 226 | |
79575d04 | 227 | dm[15]=73.3; |
228 | dm[16]=56.9; | |
229 | dm[17]=278.; | |
1283eee5 | 230 | |
37831078 | 231 | // |
1283eee5 | 232 | |
79575d04 | 233 | dm[18]=73.3; |
234 | dm[19]=60.9; | |
235 | dm[20]=278.; | |
1283eee5 | 236 | |
37831078 | 237 | // |
1283eee5 | 238 | |
79575d04 | 239 | dm[21]=253.6; |
240 | dm[22]=65.6; | |
241 | dm[23]=278.; | |
1283eee5 | 242 | |
37831078 | 243 | // |
1283eee5 | 244 | |
79575d04 | 245 | dm[24]=283.7; |
246 | dm[25]=65.6; | |
247 | dm[26]=278.; | |
248 | ||
249 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 250 | |
79575d04 | 251 | // outer part |
1283eee5 | 252 | |
37831078 | 253 | //------------------------------------------------------------------- |
79575d04 | 254 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 255 | //------------------------------------------------------------------- |
1283eee5 | 256 | |
37831078 | 257 | dm[0]= 0.; |
258 | dm[1]= 360.; | |
259 | dm[2]= 6.; | |
1283eee5 | 260 | |
37831078 | 261 | // |
1283eee5 | 262 | |
79575d04 | 263 | dm[3]=-253.6; |
264 | dm[4]=258.; | |
265 | dm[5]=275.5; | |
1283eee5 | 266 | |
37831078 | 267 | // |
1283eee5 | 268 | |
79575d04 | 269 | dm[6]=-250.6; |
270 | dm[7]=258.; | |
271 | dm[8]=275.5; | |
1283eee5 | 272 | |
37831078 | 273 | // |
1283eee5 | 274 | |
79575d04 | 275 | dm[9]=-250.6; |
276 | dm[10]=258.; | |
277 | dm[11]=278.; | |
cc80f89e | 278 | |
79575d04 | 279 | // |
1283eee5 | 280 | |
79575d04 | 281 | dm[12]=253.6; |
282 | dm[13]=258.; | |
283 | dm[14]=278.; | |
1283eee5 | 284 | |
37831078 | 285 | // |
1283eee5 | 286 | |
79575d04 | 287 | dm[15]=253.6; |
288 | dm[16]=264.8; | |
289 | dm[17]=278.; | |
1283eee5 | 290 | |
37831078 | 291 | // |
1283eee5 | 292 | |
79575d04 | 293 | dm[18]=256.6; |
294 | dm[19]=264.8; | |
295 | dm[20]=278.; | |
1283eee5 | 296 | |
79575d04 | 297 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 298 | |
37831078 | 299 | //---------------------------------------------------------------- |
300 | // Tpc Outer Contaiment Vessel | |
301 | // mother volume - Al, daughters - composite (sandwich) | |
302 | //---------------------------------------------------------------- | |
79575d04 | 303 | |
304 | dm[0]=0.; | |
305 | dm[1]=360.; | |
720b23b8 | 306 | dm[2]=6.; |
1283eee5 | 307 | |
37831078 | 308 | // |
1283eee5 | 309 | |
79575d04 | 310 | dm[3]=-250.6; |
311 | dm[4]=270.4; | |
312 | dm[5]=278.; | |
1283eee5 | 313 | |
37831078 | 314 | // |
1283eee5 | 315 | |
79575d04 | 316 | dm[6]=-247.6; |
317 | dm[7]=270.4; | |
318 | dm[8]=278.; | |
1283eee5 | 319 | |
37831078 | 320 | // |
1283eee5 | 321 | |
79575d04 | 322 | dm[9]=-247.6; |
cea9b4f7 | 323 | dm[10]=274.8124; |
79575d04 | 324 | dm[11]=278.; |
1283eee5 | 325 | |
37831078 | 326 | // |
1283eee5 | 327 | |
79575d04 | 328 | dm[12]=253.6; |
cea9b4f7 | 329 | dm[13]=274.8124; |
79575d04 | 330 | dm[14]=278.; |
1283eee5 | 331 | |
720b23b8 | 332 | // |
37831078 | 333 | |
79575d04 | 334 | dm[15]=253.6; |
335 | dm[16]=264.8; | |
336 | dm[17]=278.; | |
1283eee5 | 337 | |
79575d04 | 338 | // |
720b23b8 | 339 | |
79575d04 | 340 | dm[18]=256.6; |
341 | dm[19]=264.8; | |
342 | dm[20]=278.; | |
720b23b8 | 343 | |
344 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 345 | |
79575d04 | 346 | // Daughter volumes - sandwich |
37831078 | 347 | |
348 | // Tpc SAndwich 1 - Al | |
79575d04 | 349 | |
cea9b4f7 | 350 | dm[0]=274.8124; |
79575d04 | 351 | dm[1]=278.; |
352 | dm[2]=252.1; | |
1283eee5 | 353 | |
37831078 | 354 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 355 | |
79575d04 | 356 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 357 | |
37831078 | 358 | dm[0] += 5.e-3; |
359 | dm[1] -= 5.e-3; | |
79575d04 | 360 | |
361 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
362 | ||
363 | // Tpc SAndwich 3 - Tedlar | |
364 | ||
365 | dm[0] += 0.01; | |
366 | dm[1] -= 0.01; | |
37831078 | 367 | |
79575d04 | 368 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
37831078 | 369 | |
37831078 | 370 | |
79575d04 | 371 | // Tpc SAndwich 4 - fiber glass (G10) |
37831078 | 372 | |
cea9b4f7 | 373 | dm[0] += 3.8e-3; |
374 | dm[1] -= 3.8e-3; | |
37831078 | 375 | |
79575d04 | 376 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
37831078 | 377 | |
79575d04 | 378 | // Tpc SAndwich 5 - NOMEX honeycomb |
37831078 | 379 | |
79575d04 | 380 | dm[0] += 0.075; |
381 | dm[1] -= 0.075; | |
37831078 | 382 | |
79575d04 | 383 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
384 | ||
385 | // 5->4->3->2->1->TCOV | |
386 | ||
37831078 | 387 | |
79575d04 | 388 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); |
37831078 | 389 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
390 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 391 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
37831078 | 392 | |
79575d04 | 393 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
37831078 | 394 | |
395 | // TCOV-> TOIN | |
396 | ||
397 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); | |
398 | ||
399 | //------------------------------------------------------- | |
400 | // Tpc Outer Field Cage | |
401 | // mother volume - Al, daughters - composite (sandwich) | |
402 | //------------------------------------------------------- | |
1283eee5 | 403 | |
37831078 | 404 | dm[0]=0.; |
405 | dm[1]=360.; | |
406 | dm[2]=6.; | |
1283eee5 | 407 | |
79575d04 | 408 | // |
409 | ||
410 | dm[3]=-253.6; | |
411 | dm[4]=258.; | |
412 | dm[5]=275.5; | |
1283eee5 | 413 | |
37831078 | 414 | // |
415 | ||
79575d04 | 416 | dm[6]=-250.6; |
417 | dm[7]=258.; | |
418 | dm[8]=275.5; | |
1283eee5 | 419 | |
420 | // | |
79575d04 | 421 | |
422 | dm[9]=-250.6; | |
423 | dm[10]=258.; | |
cea9b4f7 | 424 | dm[11]=260.0476; |
37831078 | 425 | |
1283eee5 | 426 | // |
427 | ||
79575d04 | 428 | dm[12]=250.6; |
429 | dm[13]=258.; | |
cea9b4f7 | 430 | dm[14]=260.0476; |
1283eee5 | 431 | |
37831078 | 432 | // |
1283eee5 | 433 | |
79575d04 | 434 | dm[15]=250.6; |
435 | dm[16]=258.; | |
436 | dm[17]=275.5; | |
1283eee5 | 437 | |
37831078 | 438 | // |
1283eee5 | 439 | |
79575d04 | 440 | dm[18]=253.6; |
441 | dm[19]=258.; | |
442 | dm[20]=275.5; | |
37831078 | 443 | |
79575d04 | 444 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
37831078 | 445 | |
446 | // Daughter volumes | |
447 | ||
79575d04 | 448 | // Tpc SAndwich 6 - Tedlar |
37831078 | 449 | |
450 | dm[0]= 258.; | |
cea9b4f7 | 451 | dm[1]= 260.0476; |
79575d04 | 452 | dm[2]= 252.1; |
37831078 | 453 | |
79575d04 | 454 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
37831078 | 455 | |
79575d04 | 456 | // Tpc SAndwich 7 - fiber glass |
37831078 | 457 | |
cea9b4f7 | 458 | dm[0] += 3.8e-3; |
459 | dm[1] -= 3.8e-3; | |
37831078 | 460 | |
79575d04 | 461 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 462 | |
1283eee5 | 463 | |
79575d04 | 464 | // Tpc SAndwich 8 - NOMEX |
37831078 | 465 | |
466 | dm[0] += 0.02; | |
467 | dm[1] -= 0.02; | |
468 | ||
79575d04 | 469 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
37831078 | 470 | |
79575d04 | 471 | // 8->7->6->TOFC |
37831078 | 472 | |
79575d04 | 473 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
474 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
475 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
37831078 | 476 | |
477 | // TOFC->TOIN | |
478 | ||
79575d04 | 479 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
37831078 | 480 | |
481 | // TOIN->TPC | |
482 | ||
483 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
484 | ||
79575d04 | 485 | // inner part |
37831078 | 486 | |
79575d04 | 487 | //-------------------------------------------------------------------- |
488 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
489 | // Inner containment vessel will be placed directly in the TPC | |
490 | //-------------------------------------------------------------------- | |
37831078 | 491 | |
492 | dm[0]=0.; | |
79575d04 | 493 | dm[1]=360.; |
494 | dm[2]=4.; | |
1283eee5 | 495 | |
79575d04 | 496 | // |
1283eee5 | 497 | |
79575d04 | 498 | dm[3]=-253.6; |
499 | dm[4]=65.9; | |
500 | dm[5]=79.2; | |
1283eee5 | 501 | |
37831078 | 502 | // |
1283eee5 | 503 | |
79575d04 | 504 | dm[6]=-73.3; |
505 | dm[7]=61.2; | |
506 | dm[8]=79.2; | |
1283eee5 | 507 | |
37831078 | 508 | // |
1283eee5 | 509 | |
79575d04 | 510 | dm[9]=73.3; |
511 | dm[10]=61.2; | |
512 | dm[11]=79.2; | |
1283eee5 | 513 | |
37831078 | 514 | // |
1283eee5 | 515 | |
79575d04 | 516 | dm[12]=253.6; |
517 | dm[13]=65.9; | |
518 | dm[14]=79.2; | |
1283eee5 | 519 | |
79575d04 | 520 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 521 | |
79575d04 | 522 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 523 | |
79575d04 | 524 | dm[0]=79.16; |
525 | dm[1]=79.2; | |
526 | dm[2]=88.; | |
1283eee5 | 527 | |
79575d04 | 528 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 529 | |
79575d04 | 530 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 531 | |
79575d04 | 532 | //----------------------------------------------------- |
533 | // Tpc Inner Field Cage | |
534 | // mother volume - Al, daughters - composite (sandwich) | |
535 | //------------------------------------------------------ | |
1283eee5 | 536 | |
79575d04 | 537 | dm[0]=0.; |
538 | dm[1]=360.; | |
539 | dm[2]=10.; | |
1283eee5 | 540 | |
37831078 | 541 | // |
1283eee5 | 542 | |
79575d04 | 543 | dm[3]=-253.6; |
544 | dm[4]=70.3; | |
545 | dm[5]=79.2; | |
1283eee5 | 546 | |
37831078 | 547 | // |
1283eee5 | 548 | |
79575d04 | 549 | dm[6]=-250.6; |
550 | dm[7]=70.3; | |
551 | dm[8]=79.2; | |
1283eee5 | 552 | |
37831078 | 553 | // |
1283eee5 | 554 | |
79575d04 | 555 | dm[9]=-250.6; |
cea9b4f7 | 556 | dm[10]=77.0524; |
79575d04 | 557 | dm[11]=79.2; |
1283eee5 | 558 | |
37831078 | 559 | // |
1283eee5 | 560 | |
79575d04 | 561 | dm[12]=-88.; |
cea9b4f7 | 562 | dm[13]=77.0524; |
79575d04 | 563 | dm[14]=79.2; |
1283eee5 | 564 | |
37831078 | 565 | // |
1283eee5 | 566 | |
79575d04 | 567 | dm[15]=-88.; |
cea9b4f7 | 568 | dm[16]=77.0924; |
79575d04 | 569 | dm[17]=79.16; |
4b0fdcad | 570 | |
37831078 | 571 | // |
1283eee5 | 572 | |
79575d04 | 573 | dm[18]=88.; |
cea9b4f7 | 574 | dm[19]=77.0924; |
79575d04 | 575 | dm[20]=79.16; |
1283eee5 | 576 | |
37831078 | 577 | // |
1283eee5 | 578 | |
79575d04 | 579 | dm[21]=88.; |
cea9b4f7 | 580 | dm[22]=77.0524; |
79575d04 | 581 | dm[23]=79.2; |
1283eee5 | 582 | |
583 | // | |
584 | ||
79575d04 | 585 | dm[24]=250.6; |
cea9b4f7 | 586 | dm[25]=77.0524; |
79575d04 | 587 | dm[26]=79.2; |
1283eee5 | 588 | |
37831078 | 589 | // |
1283eee5 | 590 | |
79575d04 | 591 | dm[27]=250.6; |
592 | dm[28]=70.3; | |
593 | dm[29]=79.2; | |
1283eee5 | 594 | |
37831078 | 595 | // |
1283eee5 | 596 | |
79575d04 | 597 | dm[30]=253.6; |
598 | dm[31]=70.3; | |
599 | dm[32]=79.2; | |
1283eee5 | 600 | |
79575d04 | 601 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 602 | |
79575d04 | 603 | // daughter volumes - central part |
1283eee5 | 604 | |
79575d04 | 605 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 606 | |
cea9b4f7 | 607 | dm[0]=77.0924; |
79575d04 | 608 | dm[1]=79.16; |
609 | dm[2]=88.; | |
1283eee5 | 610 | |
79575d04 | 611 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 612 | |
79575d04 | 613 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 614 | |
cea9b4f7 | 615 | dm[0] += 3.8e-3; |
616 | dm[1] -= 3.8e-3; | |
1283eee5 | 617 | |
79575d04 | 618 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 619 | |
79575d04 | 620 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 621 | |
79575d04 | 622 | dm[0] += 0.03; |
623 | dm[1] -= 0.03; | |
1283eee5 | 624 | |
79575d04 | 625 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 626 | |
79575d04 | 627 | // 11->10->9->TIFC |
1283eee5 | 628 | |
79575d04 | 629 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
630 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 631 | |
79575d04 | 632 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 633 | |
79575d04 | 634 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 635 | |
79575d04 | 636 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 637 | |
cea9b4f7 | 638 | dm[0]=77.0524; |
79575d04 | 639 | dm[1]=79.2; |
640 | dm[2]=82.05; | |
1283eee5 | 641 | |
79575d04 | 642 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 643 | |
79575d04 | 644 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 645 | |
cea9b4f7 | 646 | dm[0] += 3.8e-3; |
647 | dm[1] -= 3.8e-3; | |
1283eee5 | 648 | |
79575d04 | 649 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 650 | |
79575d04 | 651 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 652 | |
79575d04 | 653 | dm[0] += 0.07; |
654 | dm[1] -= 0.07; | |
1283eee5 | 655 | |
79575d04 | 656 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 657 | |
79575d04 | 658 | // 14->13->12->TIFC |
1283eee5 | 659 | |
79575d04 | 660 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
661 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 662 | |
79575d04 | 663 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
664 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 665 | |
79575d04 | 666 | // place this inside the inner insulator |
1283eee5 | 667 | |
79575d04 | 668 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 669 | |
79575d04 | 670 | // and now in the TPC... |
1283eee5 | 671 | |
79575d04 | 672 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 673 | |
79575d04 | 674 | //--------------------------------------------------------- |
675 | // Tpc Inner Containment vessel - Cones | |
676 | //--------------------------------------------------------- | |
1283eee5 | 677 | |
79575d04 | 678 | dm[0]=0.; |
679 | dm[1]=360.; | |
37831078 | 680 | dm[2]=8.; |
1283eee5 | 681 | |
37831078 | 682 | // |
1283eee5 | 683 | |
79575d04 | 684 | dm[3]=71.8; |
685 | dm[4]=56.9; | |
686 | dm[5]=59.4; | |
1283eee5 | 687 | |
37831078 | 688 | // |
1283eee5 | 689 | |
79575d04 | 690 | dm[6]=73.; |
691 | dm[7]=56.9; | |
692 | dm[8]=59.4; | |
1283eee5 | 693 | |
37831078 | 694 | // |
1283eee5 | 695 | |
79575d04 | 696 | dm[9]=73.; |
697 | dm[10]=56.9; | |
698 | dm[11]=61.2; | |
1283eee5 | 699 | |
37831078 | 700 | // |
1283eee5 | 701 | |
79575d04 | 702 | dm[12]=73.3; |
703 | dm[13]=56.9; | |
704 | dm[14]=61.2; | |
1283eee5 | 705 | |
37831078 | 706 | // |
79575d04 | 707 | |
708 | dm[15]=73.3; | |
709 | dm[16]=60.9; | |
710 | dm[17]=61.2; | |
1283eee5 | 711 | |
79575d04 | 712 | // |
4b0fdcad | 713 | |
79575d04 | 714 | dm[18]=253.6; |
715 | dm[19]=65.6; | |
716 | dm[20]=65.9; | |
4b0fdcad | 717 | |
4b0fdcad | 718 | // |
37831078 | 719 | |
79575d04 | 720 | dm[21]=253.6; |
721 | dm[22]=65.6; | |
f4900c61 | 722 | dm[23]=74.6; |
37831078 | 723 | |
4b0fdcad | 724 | // |
4b0fdcad | 725 | |
f4900c61 | 726 | dm[24]=256.6; |
79575d04 | 727 | dm[25]=65.6; |
f4900c61 | 728 | dm[26]=74.6; |
37831078 | 729 | |
79575d04 | 730 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
37831078 | 731 | |
79575d04 | 732 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
37831078 | 733 | |
79575d04 | 734 | // reflection matrix |
735 | ||
736 | theta1 = 90.; | |
737 | phi1 = 0.; | |
738 | theta2 = 90.; | |
739 | phi2 = 270.; | |
740 | theta3 = 180.; | |
741 | phi3 = 0.; | |
4b0fdcad | 742 | |
79575d04 | 743 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
4b0fdcad | 744 | |
79575d04 | 745 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
746 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 747 | |
37831078 | 748 | |
79575d04 | 749 | //--------------------------------------------------------- |
750 | // Tpc Inner Containment vessel - Middle part -Al | |
751 | //--------------------------------------------------------- | |
37831078 | 752 | |
79575d04 | 753 | dm[0]=0.; |
754 | dm[1]=360.; | |
755 | dm[2]=6.; | |
37831078 | 756 | |
4b0fdcad | 757 | // |
4b0fdcad | 758 | |
79575d04 | 759 | dm[3]=-71.6; |
760 | dm[4]=60.2; | |
761 | dm[5]=61.2; | |
37831078 | 762 | |
4b0fdcad | 763 | // |
37831078 | 764 | |
79575d04 | 765 | dm[6]=-69.1; |
766 | dm[7]=60.2; | |
767 | dm[8]=61.2; | |
37831078 | 768 | |
4b0fdcad | 769 | // |
37831078 | 770 | |
79575d04 | 771 | dm[9]=-69.1; |
cea9b4f7 | 772 | dm[10]=60.6224; |
79575d04 | 773 | dm[11]=61.2; |
37831078 | 774 | |
775 | // | |
776 | ||
79575d04 | 777 | dm[12]=69.1; |
cea9b4f7 | 778 | dm[13]=60.6224; |
79575d04 | 779 | dm[14]=61.2; |
37831078 | 780 | |
781 | // | |
782 | ||
79575d04 | 783 | dm[15]=69.1; |
784 | dm[16]=60.2; | |
785 | dm[17]=61.2; | |
37831078 | 786 | |
787 | // | |
788 | ||
79575d04 | 789 | dm[18]=71.6; |
790 | dm[19]=60.2; | |
791 | dm[20]=61.2; | |
37831078 | 792 | |
79575d04 | 793 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
37831078 | 794 | |
79575d04 | 795 | // Tpc Sandwich 15 - Al |
37831078 | 796 | |
cea9b4f7 | 797 | dm[0]=60.6224; |
79575d04 | 798 | dm[1]=61.2; |
799 | dm[2]=70.1; | |
37831078 | 800 | |
79575d04 | 801 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
37831078 | 802 | |
79575d04 | 803 | // Tpc Sandwich 16 - epoxy glue |
37831078 | 804 | |
79575d04 | 805 | dm[0] += 5.e-3; |
806 | dm[1] -= 5.e-3; | |
37831078 | 807 | |
79575d04 | 808 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
37831078 | 809 | |
6a905708 | 810 | // Tpc Sandwich 17 - Tedlar |
37831078 | 811 | |
79575d04 | 812 | dm[0] += 0.01; |
813 | dm[1] -= 0.01; | |
37831078 | 814 | |
6a905708 | 815 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 816 | |
cea9b4f7 | 817 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 818 | |
cea9b4f7 | 819 | dm[0] += 3.8e-3; |
820 | dm[1] -= 3.8e-3; | |
37831078 | 821 | |
cea9b4f7 | 822 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 823 | |
79575d04 | 824 | // Tpc Sandwich 19 - Nomex |
37831078 | 825 | |
cea9b4f7 | 826 | dm[0] += 0.02; |
827 | dm[1] -= 0.02; | |
37831078 | 828 | |
90222263 | 829 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 830 | |
79575d04 | 831 | // 19->18->17->16->15-> TICM |
37831078 | 832 | |
79575d04 | 833 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 834 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 835 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
836 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 837 | |
79575d04 | 838 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
839 | ||
37831078 | 840 | |
79575d04 | 841 | // TPc inner cont. vessel Joints |
37831078 | 842 | |
79575d04 | 843 | dm[0]=60.2; |
844 | dm[1]=61.2; | |
845 | dm[2]=0.5; | |
37831078 | 846 | |
79575d04 | 847 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 848 | |
79575d04 | 849 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
850 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 851 | |
79575d04 | 852 | // |
37831078 | 853 | |
79575d04 | 854 | dm[0]=0.; |
855 | dm[1]=360.; | |
856 | dm[2]=4.; | |
37831078 | 857 | |
79575d04 | 858 | // |
37831078 | 859 | |
79575d04 | 860 | dm[3]=70.8; |
861 | dm[4]=58.4; | |
862 | dm[5]=60.1; | |
37831078 | 863 | |
79575d04 | 864 | // |
37831078 | 865 | |
79575d04 | 866 | dm[6]=71.2; |
867 | dm[7]=58.4; | |
868 | dm[8]=60.1; | |
37831078 | 869 | |
79575d04 | 870 | // |
37831078 | 871 | |
79575d04 | 872 | dm[9]=71.2; |
873 | dm[10]=58.4; | |
874 | dm[11]=59.4; | |
37831078 | 875 | |
79575d04 | 876 | // |
37831078 | 877 | |
79575d04 | 878 | dm[12]=71.6; |
879 | dm[13]=58.4; | |
880 | dm[14]=59.4; | |
37831078 | 881 | |
79575d04 | 882 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 883 | |
79575d04 | 884 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
885 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 886 | |
37831078 | 887 | |
37831078 | 888 | |
79575d04 | 889 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 890 | |
79575d04 | 891 | dm[0]=58.4; |
892 | dm[1]=61.2; | |
893 | dm[2]=0.1; | |
37831078 | 894 | |
79575d04 | 895 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 896 | |
79575d04 | 897 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
898 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 899 | |
79575d04 | 900 | // TICM -> TPC |
37831078 | 901 | |
79575d04 | 902 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 903 | |
79575d04 | 904 | // |
37831078 | 905 | |
79575d04 | 906 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 907 | |
908 | //--------------------------------------------------------- | |
909 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
910 | // and its daughters (HV membrane, rods, readout chambers) | |
911 | //--------------------------------------------------------- | |
912 | ||
913 | dm[0]= 79.2; | |
914 | dm[1]= 258.0; | |
915 | dm[2]= 253.6; | |
916 | ||
79575d04 | 917 | gMC->Gsvolu("TDGS","TUBE",idtmed[2],dm,3); |
37831078 | 918 | |
919 | // sector opening angles | |
920 | ||
921 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
922 | ||
923 | // sector angle shift | |
924 | ||
925 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
926 | ||
927 | // number of sectors | |
928 | ||
929 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; | |
930 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
931 | ||
932 | // All above parameters are identical for inner and outer | |
933 | // sectors. The distinction is kept for the historical reasons | |
934 | // and eventually will disappear. | |
935 | ||
936 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
937 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
938 | Float_t space; | |
939 | ||
940 | //------------------------------------------------------------------------- | |
941 | // Tpc Inner Readout Chambers | |
942 | //------------------------------------------------------------------------- | |
943 | ||
944 | dm[0]= 14.483; | |
945 | dm[1]= 23.3345; | |
946 | dm[2]= 1.6; // thickness | |
947 | dm[3]= 25.1; | |
948 | ||
949 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
950 | ||
951 | // this volume will be positioned in the empty space | |
952 | // of the end-cap to avoid overlaps | |
953 | ||
954 | dm[0]= 13.7305; | |
955 | dm[1]= 21.1895; | |
956 | dm[2]= 2.25; | |
957 | dm[3]= 21.15; | |
958 | ||
959 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
960 | ||
961 | ||
962 | //------------------------------------------------ | |
963 | // Tpc Inner readout chamber Pad Plane | |
964 | //------------------------------------------------ | |
965 | ||
966 | dm[0]= 14.483; | |
967 | dm[1]= 23.3345; | |
968 | dm[2]= 0.5; | |
969 | dm[3]= 25.1; | |
970 | ||
971 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
972 | ||
973 | // | |
974 | ||
975 | dm[0] -= 1.218511934; | |
976 | dm[1] -= 1.218511934; | |
977 | dm[2] = 0.35; | |
978 | ||
79575d04 | 979 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); |
37831078 | 980 | |
981 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
982 | ||
983 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
984 | ||
985 | ||
986 | //---------------------------------------------- | |
987 | // Tpc Readout Chambers Empty spaces - for both | |
988 | // inner and outer sectors | |
989 | //---------------------------------------------- | |
990 | ||
991 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
992 | ||
993 | // Inner sector - 4 spaces | |
994 | ||
995 | ||
996 | dm[3] = 4.7625; | |
997 | dm[0] = 12.472; | |
998 | ||
999 | Float_t rr = 90.52; | |
1000 | Float_t zz; | |
1001 | ||
1002 | zz= -12.7875; | |
1003 | ||
1004 | space = rr*tanAlpha-dm[0]; | |
1005 | ||
1006 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
1007 | ||
1008 | rr += 9.525; | |
1009 | dm[1]= rr*tanAlpha - space; | |
1010 | ||
1011 | dm[2]=0.8; | |
1012 | ||
1013 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
1014 | ||
1015 | // | |
1016 | ||
79575d04 | 1017 | dm[2] = 1.2; |
37831078 | 1018 | |
1019 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
1020 | ||
1021 | rr += 0.4; | |
1022 | dm[0] = rr*tanAlpha - space; | |
1023 | zz += (0.4+9.525); | |
1024 | ||
1025 | } | |
1026 | ||
1027 | dm[0]= 12.472; | |
1028 | // dm[1] - this is the dm[1] from the previous TRCE | |
1029 | dm[2]= 1.05; | |
1030 | dm[3]= 19.65; | |
1031 | ||
79575d04 | 1032 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 1033 | |
1034 | // | |
1035 | // TPc Space for Connectors | |
1036 | // | |
1037 | ||
1038 | dm[0]= .3; | |
1039 | dm[1]= .3; | |
1040 | dm[2]= 4.5; | |
1041 | ||
1042 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
1043 | ||
1044 | // TPC Connectors | |
1045 | ||
1046 | dm[0]= .25; | |
1047 | dm[1]= .15; | |
1048 | dm[2]= 3.75; | |
1049 | ||
1050 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1051 | ||
1052 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1053 | ||
1054 | zz = -12.7875; | |
1055 | ||
1056 | ||
1057 | Float_t alpha; | |
1058 | Float_t astep; | |
1059 | ||
37831078 | 1060 | // inner part of the inner sector - 2 x 20 holes |
1061 | ||
1062 | astep = 20.00096874/19.; | |
1063 | ||
1064 | alpha = 10.00048437-astep; | |
1065 | ||
1066 | Float_t x1,x2; | |
1067 | ||
1068 | x1 = 13.31175725; | |
1069 | x1 -= 0.996357832; | |
1070 | ||
1071 | x2 = 15.06180253; | |
1072 | x2 -= 1.163028812; | |
1073 | ||
1074 | Int_t ncon; | |
1075 | ||
1076 | for(ncon=0;ncon<20;ncon++){ | |
1077 | ||
1078 | phi1 = 0.; | |
1079 | theta1 = 90.+alpha; | |
1080 | phi2=90.; | |
1081 | theta2 = 90.; | |
1082 | phi3 = (alpha>0) ? 0. : 180.; | |
1083 | theta3 = TMath::Abs(alpha); | |
1084 | ||
1085 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1086 | ||
1087 | ||
1088 | ||
1089 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1090 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1091 | ||
1092 | ||
1093 | x1 -= 1.296357833; | |
1094 | x2 -= 1.463028812; | |
1095 | ||
1096 | alpha -= astep; | |
1097 | nRotMat++; | |
1098 | ||
1099 | } | |
1100 | ||
1101 | // outer part of the inner sector - 2 x 25 holes | |
1102 | ||
1103 | astep = 20.00096874/24.; | |
1104 | alpha = 10.00048437-astep; | |
1105 | ||
1106 | x1 = 16.81184781; | |
1107 | x1 -= 1.016295986; | |
1108 | ||
1109 | x2 = 18.5618931; | |
1110 | x2 -= 1.150914854; | |
1111 | ||
1112 | for(ncon=0;ncon<25;ncon++){ | |
1113 | ||
1114 | phi1 = 0.; | |
1115 | theta1 = 90.+alpha; | |
1116 | phi2=90.; | |
1117 | theta2 = 90.; | |
1118 | phi3 = (alpha>0) ? 0. : 180.; | |
1119 | theta3 = TMath::Abs(alpha); | |
1120 | ||
1121 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1122 | ||
1123 | ||
1124 | ||
1125 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1126 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1127 | ||
1128 | ||
1129 | x1 -= 1.316295986; | |
1130 | x2 -= 1.450914854; | |
1131 | ||
1132 | alpha -= astep; | |
1133 | nRotMat++; | |
1134 | ||
1135 | } | |
1136 | ||
1137 | //-------------------------------------------------------------------------- | |
1138 | // TPC Outer Readout Chambers | |
1139 | // this is NOT a final design | |
1140 | //-------------------------------------------------------------------------- | |
1141 | ||
1142 | dm[0]= 23.3875; | |
1143 | dm[1]= 43.524; | |
1144 | dm[2]= 1.5; //thickness | |
1145 | dm[3]= 57.1; | |
1146 | ||
1147 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1148 | ||
1149 | //------------------------------------------------ | |
79575d04 | 1150 | // Tpc Outer readout chamber Pad Plane |
37831078 | 1151 | //------------------------------------------------ |
1152 | ||
1153 | dm[2]= 0.5; | |
1154 | ||
1155 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1156 | ||
1157 | dm[0] -= 1.218511934; | |
1158 | dm[1] -= 1.218511934; | |
1159 | dm[2] = 0.35; | |
1160 | ||
79575d04 | 1161 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); |
37831078 | 1162 | |
1163 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1164 | ||
1165 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1166 | ||
1167 | // empty space | |
1168 | ||
37831078 | 1169 | dm[0]= 21.035; |
1170 | dm[1]= 38.7205; | |
1171 | dm[2]= 0.7; | |
1172 | dm[3]= 50.15; | |
1173 | ||
1174 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1175 | ||
1176 | dm[0]= 22.2935; | |
1177 | dm[1]= 40.5085; | |
1178 | dm[2]= 2.25; | |
1179 | dm[3]= 51.65; | |
1180 | ||
1181 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1182 | ||
37831078 | 1183 | dm[0]= 21.35; |
1184 | dm[1]= 38.7205; | |
1185 | dm[2]= 2.25; | |
1186 | dm[3]= 50.15; | |
1187 | ||
79575d04 | 1188 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1189 | |
1190 | //----------------------------------------------- | |
1191 | // Tpc Services Support Wheel | |
1192 | //----------------------------------------------- | |
1193 | ||
1194 | dm[0]=0.; | |
1195 | dm[1]=360.; | |
1196 | dm[2]=18.; | |
1197 | dm[3]=2.; | |
1198 | ||
1199 | dm[4]= -5.; | |
1200 | dm[5]= 77.017; | |
1201 | dm[6]= 255.267; | |
1202 | ||
1203 | dm[7]= 5.; | |
1204 | dm[8]= dm[5]; | |
1205 | dm[9]= dm[6]; | |
1206 | ||
1207 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1208 | ||
1209 | // Tpc Services Wheel Cover | |
1210 | ||
1211 | dm[4]= -0.5; | |
1212 | dm[7]= 0.5; | |
1213 | ||
1214 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1215 | ||
1216 | // Tpc Service wheel Cover Empty space | |
1217 | ||
1218 | dm[0]= 10.99; | |
1219 | dm[1]= 39.599; | |
1220 | dm[2]= .5; | |
1221 | dm[3]= 81.125; | |
1222 | ||
1223 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1224 | ||
1225 | // Tpc services Wheel Empty Spaces | |
1226 | ||
1227 | dm[0]= 13.18017507; | |
1228 | dm[1]= 44.61045938; | |
1229 | dm[2]= 4.; | |
1230 | dm[3]= 89.125; | |
1231 | ||
1232 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1233 | ||
1234 | // Tpc Services Wheel Bars | |
1235 | ||
1236 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1237 | ||
1238 | // bars-> TWES | |
1239 | ||
1240 | dm[2]= 4.; | |
1241 | dm[3]= .4; | |
1242 | ||
1243 | dm[0]= 13.8149522; | |
1244 | dm[1]= 13.95601379; | |
1245 | ||
1246 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1247 | ||
1248 | dm[0]= 43.83462067; | |
1249 | dm[1]= 43.97568225; | |
1250 | ||
1251 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1252 | ||
1253 | // TPc ELectronics - right now 30% X0 Si | |
1254 | ||
1255 | dm[0]= 14.03813696; | |
1256 | dm[1]= 43.3524075; | |
1257 | dm[2]= 1.404; | |
1258 | dm[3]= 83.125; | |
1259 | ||
1260 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1261 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1262 | ||
37831078 | 1263 | //-------------------------------------------------------------------------- |
1264 | // End caps | |
1265 | //-------------------------------------------------------------------------- | |
1266 | ||
1267 | // TPc Main Wheel - Al | |
1268 | ||
79575d04 | 1269 | dm[0]= 74.9; |
1270 | dm[1]= 264.4; | |
37831078 | 1271 | dm[2]= 3.0; |
1272 | ||
1273 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1274 | ||
37831078 | 1275 | //-------------------------------------------------------------------------- |
1276 | // Tpc Empty Space for the Readout chambers | |
1277 | //-------------------------------------------------------------------------- | |
1278 | ||
1279 | Float_t rLow= 86.2; | |
1280 | Float_t rUp= 243.5; | |
1281 | Float_t dR = 0.5*(rUp-rLow); | |
1282 | ||
79575d04 | 1283 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1284 | |
1285 | dm[0]= rLow*tanAlpha-space; | |
1286 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1287 | dm[2] = 3.0; |
37831078 | 1288 | dm[3]= dR; |
1289 | ||
1290 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1291 | ||
1292 | // TIC1->TESR | |
1293 | ||
37831078 | 1294 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1295 | ||
37831078 | 1296 | // TOC1->TESR |
1297 | ||
1298 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1299 | ||
1300 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1301 | ||
1302 | Float_t zBar; | |
1303 | ||
1304 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1305 | ||
1306 | // lower bar | |
1307 | ||
1308 | dm[0]= rLow*tanAlpha-space; | |
1309 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1310 | dm[2]= 2.25; |
37831078 | 1311 | dm[3]= 1.275; |
1312 | ||
1313 | zBar = -dR+dm[3]; | |
1314 | ||
79575d04 | 1315 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1316 | |
1317 | // middle bar | |
1318 | ||
1319 | dm[0]= 131.65*tanAlpha-space; | |
1320 | dm[1]= 136.5*tanAlpha-space; | |
1321 | dm[3]= 2.425; | |
1322 | ||
1323 | zBar = -dR +131.65+dm[3]-rLow; | |
1324 | ||
79575d04 | 1325 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1326 | |
1327 | // upper bar | |
1328 | ||
1329 | dm[0]= 240.4*tanAlpha-space; | |
1330 | dm[1]= rUp*tanAlpha-space; | |
1331 | dm[3]= 1.55; | |
1332 | ||
1333 | zBar = dR-dm[3]; | |
1334 | ||
79575d04 | 1335 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1336 | |
1337 | // positioning of the empty spaces into the main wheel | |
1338 | ||
1339 | Float_t rCenter,xc,yc; | |
1340 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1341 | ||
1342 | rCenter = rLow+dR; | |
1343 | ||
1344 | rInner = 108.07; | |
1345 | rOuter = 190.68; | |
1346 | ||
79575d04 | 1347 | |
37831078 | 1348 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1349 | ||
1350 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1351 | phi1 *= kRaddeg; // in degrees | |
1352 | ||
1353 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1354 | ||
1355 | if (phi1 > 360.) phi1 -= 360.; | |
1356 | ||
1357 | theta1 = 90.; | |
1358 | phi2 = 90.; | |
1359 | theta2 = 180.; | |
1360 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1361 | phi3 *= kRaddeg; // in degrees | |
1362 | ||
1363 | phi3 = (Float_t)TMath::Nint(phi3); | |
1364 | ||
1365 | if(phi3 > 360.) phi3 -= 360.; | |
1366 | ||
1367 | theta3 = 90.; | |
1368 | ||
1369 | // "holes"->End plate | |
1370 | ||
1371 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1372 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1373 | ||
1374 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1375 | ||
1376 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1377 | ||
1378 | // TSCE->TSWC (services wheel volumes) | |
1379 | ||
1380 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1381 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1382 | ||
1383 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1384 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1385 | ||
1386 | ||
1387 | // readout chambers->TDGS (drift gas) | |
1388 | ||
1389 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1390 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1391 | ||
1392 | gMC->Gspos("TIRC",ns+1,"TDGS",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1393 | ||
1394 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1395 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1396 | ||
1397 | gMC->Gspos("TORC",ns+1,"TDGS",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1398 | ||
1399 | nRotMat++; | |
1400 | ||
1401 | theta2 = 0.; // reflection | |
1402 | ||
1403 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1404 | ||
1405 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1406 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1407 | ||
1408 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGS",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1409 | ||
1410 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1411 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1412 | ||
1413 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGS",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1414 | ||
1415 | nRotMat++; | |
1416 | ||
37831078 | 1417 | } |
37831078 | 1418 | // TPMW->TPC |
1419 | ||
1420 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1421 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
1422 | ||
1423 | //--------------------------------------------------------- | |
1424 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1425 | //--------------------------------------------------------- | |
37831078 | 1426 | |
79575d04 | 1427 | dm[0]=82.8; |
1428 | dm[1]=252.; | |
1429 | dm[2]=0.005; | |
37831078 | 1430 | |
79575d04 | 1431 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1432 | |
79575d04 | 1433 | gMC->Gspos("THVM",1,"TDGS",0.,0.,0.,0,"ONLY"); |
37831078 | 1434 | |
79575d04 | 1435 | // Tpc High Voltage membrane Holders |
37831078 | 1436 | |
79575d04 | 1437 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1438 | |
79575d04 | 1439 | |
37831078 | 1440 | |
79575d04 | 1441 | // inner |
37831078 | 1442 | |
79575d04 | 1443 | dm[0]=79.3; |
1444 | dm[1]=82.8; | |
1445 | dm[2]=0.2; | |
37831078 | 1446 | |
79575d04 | 1447 | gMC->Gsposp("THVH",1,"TDGS",0.,0.,0.,0,"ONLY",dm,3); |
1448 | ||
1449 | // outer | |
37831078 | 1450 | |
79575d04 | 1451 | dm[0]= 252.; |
1452 | dm[1]= 257.9; | |
1453 | dm[2]= 0.4; | |
1454 | ||
1455 | gMC->Gsposp("THVH",2,"TDGS",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1456 | |
1457 | //---------------------------------------------------------- | |
1458 | // TPc Support Rods - MAKROLON | |
1459 | //---------------------------------------------------------- | |
1460 | ||
1461 | dm[0]= 0.9; | |
1462 | dm[1]= 1.2; | |
37831078 | 1463 | |
79575d04 | 1464 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1465 | |
79575d04 | 1466 | |
1467 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1468 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1469 | ||
79575d04 | 1470 | xc=81.5*TMath::Cos(angle); |
1471 | yc=81.5*TMath::Sin(angle); | |
37831078 | 1472 | |
79575d04 | 1473 | dm[2]=126.7; |
37831078 | 1474 | |
79575d04 | 1475 | gMC->Gsposp("TPSR",nrod+1,"TDGS",xc,yc,126.9,0,"ONLY",dm,3); |
1476 | gMC->Gsposp("TPSR",nrod+19,"TDGS",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1477 | |
79575d04 | 1478 | dm[2]=126.6; |
37831078 | 1479 | |
79575d04 | 1480 | xc=254.25*TMath::Cos(angle); |
1481 | yc=254.25*TMath::Sin(angle); | |
1482 | ||
1483 | // rod number 54 contans the HV cable | |
1484 | ||
1485 | if(nrod<17) { | |
1486 | gMC->Gsposp("TPSR",nrod+37,"TDGS",xc,yc,127.,0,"ONLY",dm,3); | |
1487 | gMC->Gsposp("TPSR",nrod+54,"TDGS",xc,yc,-127.,0,"ONLY",dm,3); | |
1488 | } | |
1489 | ||
37831078 | 1490 | } |
1491 | ||
1492 | //---------------------------------------------------------- | |
79575d04 | 1493 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1494 | //---------------------------------------------------------- |
1495 | ||
1496 | // rod with cable (Left) | |
1497 | ||
1498 | dm[0]=0.; | |
1499 | dm[1]=2.25; | |
79575d04 | 1500 | dm[2]=126.6; |
37831078 | 1501 | |
1502 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1503 | ||
1504 | // HV cable | |
1505 | ||
1506 | dm[0]=0.; | |
1507 | dm[1]=0.3; | |
79575d04 | 1508 | dm[2]=126.6; |
37831078 | 1509 | |
79575d04 | 1510 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1511 | |
1512 | // empty space | |
1513 | ||
1514 | dm[0]=0.3; | |
1515 | dm[1]=1.; | |
79575d04 | 1516 | dm[2]=126.6; |
37831078 | 1517 | |
1518 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1519 | ||
1520 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1521 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1522 | ||
1523 | // rod without cable | |
1524 | ||
1525 | dm[0]=1.8; | |
1526 | dm[1]=2.25; | |
79575d04 | 1527 | dm[2]=126.6; |
37831078 | 1528 | |
1529 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1530 | ||
79575d04 | 1531 | gMC->Gspos("THVL",1,"TDGS",xc,yc,-127.,0,"ONLY"); |
1532 | gMC->Gspos("THVR",1,"TDGS",xc,yc,127.,0,"ONLY"); | |
37831078 | 1533 | |
1534 | gMC->Gspos("TDGS",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1535 | |
37831078 | 1536 | // services wheel cover -> wheel |
1537 | ||
1538 | ||
1539 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1540 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1541 | ||
1542 | ||
1543 | // put the wheel into the TPC | |
1544 | ||
1545 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1546 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1547 | ||
79575d04 | 1548 | // |
1549 | ||
37831078 | 1550 | gMC->Gsord("TPMW",6); |
1551 | gMC->Gsord("TSSW",6); | |
1552 | gMC->Gsord("TSWC",6); | |
1553 | ||
1554 | // put the TPC into ALIC (main mother volume) | |
1555 | ||
1556 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); | |
1557 | ||
1558 | ||
1559 | } // end of function | |
37831078 | 1560 | |
1561 | //_____________________________________________________________________________ | |
1562 | void AliTPCv3::DrawDetector() | |
1563 | { | |
1564 | // | |
79575d04 | 1565 | // Draw a shaded view of the Time Projection Chamber version 3 |
37831078 | 1566 | // |
1567 | ||
1568 | ||
1569 | // Set everything unseen | |
1570 | gMC->Gsatt("*", "seen", -1); | |
1571 | // | |
1572 | // Set ALIC mother transparent | |
1573 | gMC->Gsatt("ALIC","SEEN",0); | |
1574 | // | |
1575 | // Set the volumes visible | |
1576 | // | |
1577 | ||
1578 | gMC->Gsatt("TPC ","SEEN",0); | |
1579 | gMC->Gsatt("TOIN","SEEN",1); | |
1580 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1581 | gMC->Gsatt("TOCV","SEEN",1); |
1582 | gMC->Gsatt("TOCV","COLO",4); | |
1583 | gMC->Gsatt("TSA1","SEEN",0); | |
1584 | gMC->Gsatt("TSA2","SEEN",0); | |
1585 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1586 | gMC->Gsatt("TSA4","SEEN",0); |
1587 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1588 | gMC->Gsatt("TOFC","SEEN",1); |
1589 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1590 | gMC->Gsatt("TSA6","SEEN",0); |
1591 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1592 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1593 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1594 | gMC->Gsatt("TIIN","COLO",7); |
1595 | gMC->Gsatt("TII1","SEEN",0); | |
1596 | gMC->Gsatt("TIFC","SEEN",1); | |
1597 | gMC->Gsatt("TIFC","COLO",4); | |
1598 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1599 | gMC->Gsatt("TS10","SEEN",0); |
1600 | gMC->Gsatt("TS11","SEEN",0); | |
1601 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1602 | gMC->Gsatt("TS13","SEEN",0); |
1603 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1604 | gMC->Gsatt("TICC","SEEN",0); |
1605 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1606 | gMC->Gsatt("TS15","SEEN",0); |
1607 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1608 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1609 | gMC->Gsatt("TS18","SEEN",0); |
1610 | gMC->Gsatt("TS19","SEEN",0); | |
1611 | gMC->Gsatt("TPJ1","SEEN",0); | |
1612 | gMC->Gsatt("TPJ2","SEEN",0); | |
1613 | gMC->Gsatt("TICS","SEEN",0); | |
1614 | gMC->Gsatt("TDGS","SEEN",0); | |
37831078 | 1615 | gMC->Gsatt("TIRC","SEEN",0); |
1616 | gMC->Gsatt("TIC1","SEEN",1); | |
1617 | gMC->Gsatt("TIPP","SEEN",0); | |
1618 | gMC->Gsatt("TIC3","SEEN",0); | |
1619 | gMC->Gsatt("TRCE","SEEN",0); | |
1620 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1621 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1622 | gMC->Gsatt("TORC","SEEN",0); |
1623 | gMC->Gsatt("TOPP","SEEN",0); | |
1624 | gMC->Gsatt("TOC3","SEEN",0); | |
1625 | gMC->Gsatt("TOC1","SEEN",1); | |
1626 | gMC->Gsatt("TSSW","SEEN",1); | |
1627 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1628 | gMC->Gsatt("TSSW","COLO",3); |
1629 | gMC->Gsatt("TSWC","COLO",3); | |
1630 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1631 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1632 | gMC->Gsatt("TWES","SEEN",0); |
1633 | gMC->Gsatt("TSWB","SEEN",0); | |
1634 | gMC->Gsatt("TPEL","SEEN",0); | |
1635 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1636 | gMC->Gsatt("TESR","SEEN",1); |
1637 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1638 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1639 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1640 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1641 | gMC->Gsatt("THVM","SEEN",1); |
1642 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1643 | gMC->Gsatt("THVH","SEEN",0); |
1644 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1645 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1646 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1647 | gMC->Gsatt("THVE","SEEN",0); |
1648 | gMC->Gsatt("THVR","SEEN",0); | |
1649 | ||
1650 | // | |
1651 | gMC->Gdopt("hide", "on"); | |
1652 | gMC->Gdopt("shad", "on"); | |
1653 | gMC->Gsatt("*", "fill", 7); | |
1654 | gMC->SetClipBox("."); | |
1655 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1656 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1657 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1658 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1659 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1660 | gMC->DefaultRange(); | |
1661 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1662 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1663 | gMC->Gdman(18, 4, "MAN"); | |
1664 | gMC->Gdopt("hide","off"); | |
1665 | } | |
1666 | ||
1667 | //_____________________________________________________________________________ | |
1668 | void AliTPCv3::CreateMaterials() | |
1669 | { | |
1670 | // | |
1671 | // Define materials for version 2 of the Time Projection Chamber | |
1672 | // | |
1673 | ||
1674 | ||
1675 | // | |
1676 | AliTPC::CreateMaterials(); | |
1677 | } | |
1678 | ||
1679 | //_____________________________________________________________________________ | |
1680 | void AliTPCv3::Init() | |
1681 | { | |
1682 | // | |
1683 | // Initialises version 3 of the TPC after that it has been built | |
1684 | // | |
1685 | Int_t *idtmed = fIdtmed->GetArray(); | |
4b0fdcad | 1686 | |
1687 | AliTPC::Init(); | |
1688 | ||
37831078 | 1689 | fIdSens=gMC->VolId("TDGS"); // drift gas as a sensitive volume |
4b0fdcad | 1690 | |
1691 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1692 | ||
37831078 | 1693 | gMC->Gstpar(idtmed[2],"LOSS",5); |
4b0fdcad | 1694 | |
13a8c8d7 | 1695 | printf("%s: *** TPC version 3 initialized***\n",ClassName()); |
1696 | ||
1697 | printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep()); | |
1698 | ||
1699 | // printf("*** TPC version 3 initialized ***\n"); | |
1700 | // printf("Maximum number of steps = %d\n",gMC->GetMaxNStep()); | |
4b0fdcad | 1701 | |
1702 | // | |
1703 | ||
1704 | } | |
1705 | ||
1706 | //_____________________________________________________________________________ | |
1707 | void AliTPCv3::StepManager() | |
1708 | { | |
1709 | // | |
1710 | // Called for every step in the Time Projection Chamber | |
1711 | // | |
1712 | ||
1713 | // | |
1714 | // parameters used for the energy loss calculations | |
1715 | // | |
73042f01 | 1716 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1717 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1718 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
4b0fdcad | 1719 | |
1720 | ||
73042f01 | 1721 | const Float_t kbig = 1.e10; |
4b0fdcad | 1722 | |
1723 | Int_t id,copy; | |
1724 | TLorentzVector pos; | |
1725 | Float_t hits[4]; | |
1726 | Int_t vol[2]; | |
4b0fdcad | 1727 | |
1728 | vol[1]=0; | |
1729 | vol[0]=0; | |
1730 | ||
1731 | // | |
1732 | ||
73042f01 | 1733 | gMC->SetMaxStep(kbig); |
4b0fdcad | 1734 | |
1735 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
1736 | ||
1737 | Float_t charge = gMC->TrackCharge(); | |
1738 | ||
1739 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1740 | ||
1741 | ||
1742 | id=gMC->CurrentVolID(copy); | |
1743 | ||
1744 | // Check the sensitive volume | |
1745 | ||
37831078 | 1746 | if (id != fIdSens) return; |
4b0fdcad | 1747 | |
1748 | // | |
1749 | // charged particle is in the sensitive volume | |
1750 | // | |
1751 | ||
1752 | if(gMC->TrackStep() > 0) { | |
1753 | ||
1754 | ||
73042f01 | 1755 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
4b0fdcad | 1756 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1757 | ||
1758 | gMC->TrackPosition(pos); | |
1759 | hits[0]=pos[0]; | |
1760 | hits[1]=pos[1]; | |
1761 | hits[2]=pos[2]; | |
1762 | ||
1763 | // | |
1764 | // check the selected side of the TPC | |
1765 | // | |
1766 | ||
1767 | if(fSide && fSide*hits[2]<=0.) return; | |
1768 | ||
1769 | hits[3]=(Float_t)nel; | |
1770 | ||
1771 | // Add this hit | |
1772 | ||
79575d04 | 1773 | AddHit(gAlice->CurrentTrack(), vol,hits); //MI change |
4b0fdcad | 1774 | |
1775 | } | |
1776 | ||
1777 | // Stemax calculation for the next step | |
1778 | ||
1779 | Float_t pp; | |
1780 | TLorentzVector mom; | |
1781 | gMC->TrackMomentum(mom); | |
1782 | Float_t ptot=mom.Rho(); | |
73042f01 | 1783 | Float_t betaGamma = ptot/gMC->TrackMass(); |
4b0fdcad | 1784 | |
69e40cce | 1785 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1786 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
4b0fdcad | 1787 | { |
73042f01 | 1788 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
4b0fdcad | 1789 | } |
1790 | else | |
1791 | { | |
7b562732 | 1792 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); |
73042f01 | 1793 | pp=kprim*BetheBloch(betaGamma); |
4b0fdcad | 1794 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1795 | } | |
1796 | ||
1797 | Float_t random[1]; | |
1798 | gMC->Rndm(random,1); // good, old GRNDM from Geant3 | |
1799 | ||
1800 | Double_t rnd = (Double_t)random[0]; | |
1801 | ||
1802 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); | |
1803 | ||
1804 | } | |
1805 | ||
1806 | //_____________________________________________________________________________ | |
1807 | Float_t AliTPCv3::BetheBloch(Float_t bg) | |
1808 | { | |
1809 | // | |
1810 | // Bethe-Bloch energy loss formula | |
1811 | // | |
73042f01 | 1812 | const Double_t kp1=0.76176e-1; |
1813 | const Double_t kp2=10.632; | |
1814 | const Double_t kp3=0.13279e-4; | |
1815 | const Double_t kp4=1.8631; | |
1816 | const Double_t kp5=1.9479; | |
4b0fdcad | 1817 | |
1818 | Double_t dbg = (Double_t) bg; | |
1819 | ||
1820 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
1821 | ||
73042f01 | 1822 | Double_t aa = TMath::Power(beta,kp4); |
1823 | Double_t bb = TMath::Power(1./dbg,kp5); | |
4b0fdcad | 1824 | |
73042f01 | 1825 | bb=TMath::Log(kp3+bb); |
4b0fdcad | 1826 | |
73042f01 | 1827 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
4b0fdcad | 1828 | } |