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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 | $Log$ | |
dcf38560 | 18 | Revision 1.32 2003/01/14 10:50:20 alibrary |
19 | Cleanup of STEER coding conventions | |
20 | ||
116cbefd | 21 | Revision 1.31 2002/11/21 22:43:33 alibrary |
22 | Removing AliMC and AliMCProcess | |
23 | ||
4c475d27 | 24 | Revision 1.30 2002/10/14 14:57:43 hristov |
25 | Merging the VirtualMC branch to the main development branch (HEAD) | |
26 | ||
b9d0a01d | 27 | Revision 1.29.6.2 2002/07/24 10:09:01 alibrary |
28 | Updating VirtualMC | |
29 | ||
30 | Revision 1.29 2002/01/21 17:12:00 kowal2 | |
31 | New track hits structure using root containers | |
32 | ||
4ed5dced | 33 | Revision 1.28 2001/06/12 07:07:41 kowal2 |
34 | New files for folder and stack | |
35 | ||
13a8c8d7 | 36 | Revision 1.27 2001/05/08 16:03:06 kowal2 |
37 | Geometry update according to the latest technical spec. | |
38 | ||
cea9b4f7 | 39 | Revision 1.26 2001/04/27 15:23:07 kowal2 |
40 | Correct materian in the central part of the inner containment vessel | |
41 | ||
90222263 | 42 | Revision 1.25 2001/04/26 06:15:12 kowal2 |
43 | Corrected bug in the inner containment vessel (cones) | |
44 | ||
f4900c61 | 45 | Revision 1.24 2001/04/24 11:22:01 kowal2 |
46 | Protection against too small betagamma | |
47 | ||
7b562732 | 48 | Revision 1.23 2001/04/24 11:17:33 kowal2 |
49 | New TPC geometry. | |
50 | ||
79575d04 | 51 | Revision 1.22 2001/03/13 13:07:34 kowal2 |
52 | Corrected bug in the TPC mother volume geometry. | |
53 | Thanks to A. Morsch | |
54 | ||
7ab50f40 | 55 | Revision 1.21 2000/11/30 11:48:50 kowal2 |
56 | TLorentzVector.h adde to satisfy the latest changes by Federico | |
57 | ||
a383b30d | 58 | Revision 1.20 2000/11/14 10:48:57 kowal2 |
59 | Correct material used for TSA4. Thanks to J. Barbosa. | |
60 | ||
2c668420 | 61 | Revision 1.19 2000/11/06 17:24:10 kowal2 |
62 | Corrected bug in the outer containment vessel and | |
63 | the outer field cage geometry. | |
64 | Thanks to J. Barbosa. | |
65 | ||
720b23b8 | 66 | Revision 1.18 2000/11/02 16:55:24 kowal2 |
67 | Corrected bug in the inner containment vessel geometry. | |
68 | Thanks to J. Belikov | |
69 | ||
08db548a | 70 | Revision 1.17 2000/11/02 07:24:11 kowal2 |
71 | Correction in the TPC geometry. | |
72 | Changes due to the new hit structure. | |
73 | ||
6a905708 | 74 | Revision 1.16 2000/10/02 21:28:18 fca |
75 | Removal of useless dependecies via forward declarations | |
76 | ||
94de3818 | 77 | Revision 1.15 2000/07/10 20:57:39 hristov |
78 | Update of TPC code and macros by M.Kowalski | |
79 | ||
37831078 | 80 | Revision 1.14 2000/06/30 12:07:50 kowal2 |
81 | Updated from the TPC-PreRelease branch | |
82 | ||
73042f01 | 83 | Revision 1.13.2.4 2000/06/26 07:39:42 kowal2 |
84 | Changes to obey the coding rules | |
85 | ||
86 | Revision 1.13.2.3 2000/06/25 08:38:41 kowal2 | |
87 | Splitted from AliTPCtracking | |
88 | ||
89 | Revision 1.13.2.2 2000/06/16 12:58:13 kowal2 | |
90 | Changed parameter settings | |
91 | ||
92 | Revision 1.13.2.1 2000/06/09 07:15:07 kowal2 | |
93 | ||
94 | Defaults loaded automatically (hard-wired) | |
95 | Optional parameters can be set via macro called in the constructor | |
96 | ||
97 | Revision 1.13 2000/05/15 10:00:30 kowal2 | |
98 | Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova | |
99 | ||
e94dd9ca | 100 | Revision 1.12 2000/04/17 09:37:33 kowal2 |
101 | removed obsolete AliTPCDigitsDisplay.C | |
102 | ||
cc80f89e | 103 | Revision 1.11.8.2 2000/04/10 08:36:12 kowal2 |
104 | ||
105 | Updated readout chambers | |
106 | Some modifications to StepManager by M. Kowalski | |
107 | ||
108 | Revision 1.11.8.1 2000/04/10 07:56:53 kowal2 | |
109 | Not used anymore - removed | |
110 | ||
111 | Revision 1.11 1999/11/04 17:28:07 fca | |
112 | Correct barrel part of HV Degrader | |
113 | ||
a5371c42 | 114 | Revision 1.10 1999/10/14 16:52:08 fca |
115 | Only use PDG codes and not GEANT ones | |
116 | ||
69e40cce | 117 | Revision 1.9 1999/10/08 06:27:23 fca |
118 | Corrected bug in the HV degrader geometry, thanks to G.Tabary | |
119 | ||
d183a600 | 120 | Revision 1.8 1999/10/04 13:39:55 fca |
121 | Correct array index problem | |
122 | ||
cdde5b1e | 123 | Revision 1.7 1999/09/29 09:24:34 fca |
124 | Introduction of the Copyright and cvs Log | |
125 | ||
4c039060 | 126 | */ |
127 | ||
73042f01 | 128 | // |
4b0fdcad | 129 | /////////////////////////////////////////////////////////////////////////////// |
130 | // // | |
131 | // Time Projection Chamber version 3 -- detailed TPC and slow simulation // | |
37831078 | 132 | // |
4b0fdcad | 133 | //Begin_Html |
134 | /* | |
135 | <img src="picts/AliTPCv3Class.gif"> | |
136 | */ | |
137 | //End_Html | |
138 | // // | |
139 | // // | |
140 | /////////////////////////////////////////////////////////////////////////////// | |
141 | ||
142 | #include <stdlib.h> | |
116cbefd | 143 | |
144 | #include <TLorentzVector.h> | |
145 | #include <TPDGCode.h> | |
146 | #include <TInterpreter.h> | |
4b0fdcad | 147 | #include <TMath.h> |
116cbefd | 148 | |
4b0fdcad | 149 | #include "AliConst.h" |
116cbefd | 150 | #include "AliRun.h" |
cc80f89e | 151 | #include "AliTPCDigitsArray.h" |
4c475d27 | 152 | #include "AliTPCParam.h" |
153 | #include "AliTPCParamSR.h" | |
4ed5dced | 154 | #include "AliTPCTrackHitsV2.h" |
116cbefd | 155 | #include "AliTPCv3.h" |
4b0fdcad | 156 | |
157 | ClassImp(AliTPCv3) | |
79575d04 | 158 | //_____________________________________________________________________________ |
159 | ||
160 | AliTPCv3::AliTPCv3(){ | |
161 | ||
162 | fHitType = 1; | |
163 | ||
164 | } | |
165 | ||
4b0fdcad | 166 | //_____________________________________________________________________________ |
167 | AliTPCv3::AliTPCv3(const char *name, const char *title) : | |
168 | AliTPC(name, title) | |
169 | { | |
170 | // | |
cc80f89e | 171 | // Standard constructor for Time Projection Chamber version 3 |
4b0fdcad | 172 | // |
173 | ||
174 | SetBufferSize(128000); | |
37831078 | 175 | fIdSens=0; |
73042f01 | 176 | |
177 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); | |
178 | ||
179 | if (fTPCParam) | |
180 | fTPCParam->Write(fTPCParam->GetTitle()); | |
79575d04 | 181 | |
182 | fHitType =1; | |
4b0fdcad | 183 | } |
184 | ||
185 | //_____________________________________________________________________________ | |
186 | void AliTPCv3::CreateGeometry() | |
187 | { | |
188 | // | |
cc80f89e | 189 | // Creation of the TPC coarse geometry (version 3) |
37831078 | 190 | // The whole drift volume is sensitive |
cc80f89e | 191 | // Origin Marek Kowalski Cracow |
4b0fdcad | 192 | // |
193 | //Begin_Html | |
194 | /* | |
37831078 | 195 | <img src="picts/AliTPCgif"> |
4b0fdcad | 196 | */ |
197 | //End_Html | |
198 | //Begin_Html | |
199 | /* | |
37831078 | 200 | <img src="picts/AliTPCv3Tree.gif"> |
4b0fdcad | 201 | */ |
202 | //End_Html | |
37831078 | 203 | Float_t dm[50]; |
4b0fdcad | 204 | |
37831078 | 205 | Int_t *idtmed = fIdtmed->GetArray(); // TPC media |
1283eee5 | 206 | |
37831078 | 207 | Int_t idrotm[120]; // rotation matrices |
1283eee5 | 208 | |
37831078 | 209 | Int_t nRotMat = 0; // actual number of rotation matrices |
1283eee5 | 210 | |
211 | ||
37831078 | 212 | // |
213 | // Mother volume (Air) - all volumes will be positioned in it | |
214 | // | |
215 | ||
216 | dm[0]=0.; | |
217 | dm[1]=360.; | |
79575d04 | 218 | dm[2]=8.; |
4b0fdcad | 219 | |
37831078 | 220 | // |
1283eee5 | 221 | |
79575d04 | 222 | dm[3]=-283.7; |
223 | dm[4]=65.6; | |
224 | dm[5]=278.; | |
4b0fdcad | 225 | |
37831078 | 226 | // |
1283eee5 | 227 | |
79575d04 | 228 | dm[6]=-253.6; |
229 | dm[7]=65.6; | |
230 | dm[8]=278.; | |
1283eee5 | 231 | |
37831078 | 232 | // |
1283eee5 | 233 | |
79575d04 | 234 | dm[9]=-73.3; |
235 | dm[10]=60.9; | |
236 | dm[11]=278.; | |
1283eee5 | 237 | |
37831078 | 238 | // |
1283eee5 | 239 | |
79575d04 | 240 | dm[12]=-73.3; |
241 | dm[13]=56.9; | |
242 | dm[14]=278.; | |
1283eee5 | 243 | |
37831078 | 244 | // |
1283eee5 | 245 | |
79575d04 | 246 | dm[15]=73.3; |
247 | dm[16]=56.9; | |
248 | dm[17]=278.; | |
1283eee5 | 249 | |
37831078 | 250 | // |
1283eee5 | 251 | |
79575d04 | 252 | dm[18]=73.3; |
253 | dm[19]=60.9; | |
254 | dm[20]=278.; | |
1283eee5 | 255 | |
37831078 | 256 | // |
1283eee5 | 257 | |
79575d04 | 258 | dm[21]=253.6; |
259 | dm[22]=65.6; | |
260 | dm[23]=278.; | |
1283eee5 | 261 | |
37831078 | 262 | // |
1283eee5 | 263 | |
79575d04 | 264 | dm[24]=283.7; |
265 | dm[25]=65.6; | |
266 | dm[26]=278.; | |
267 | ||
268 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 269 | |
79575d04 | 270 | // outer part |
1283eee5 | 271 | |
37831078 | 272 | //------------------------------------------------------------------- |
79575d04 | 273 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 274 | //------------------------------------------------------------------- |
1283eee5 | 275 | |
37831078 | 276 | dm[0]= 0.; |
277 | dm[1]= 360.; | |
278 | dm[2]= 6.; | |
1283eee5 | 279 | |
37831078 | 280 | // |
1283eee5 | 281 | |
79575d04 | 282 | dm[3]=-253.6; |
283 | dm[4]=258.; | |
284 | dm[5]=275.5; | |
1283eee5 | 285 | |
37831078 | 286 | // |
1283eee5 | 287 | |
79575d04 | 288 | dm[6]=-250.6; |
289 | dm[7]=258.; | |
290 | dm[8]=275.5; | |
1283eee5 | 291 | |
37831078 | 292 | // |
1283eee5 | 293 | |
79575d04 | 294 | dm[9]=-250.6; |
295 | dm[10]=258.; | |
296 | dm[11]=278.; | |
cc80f89e | 297 | |
79575d04 | 298 | // |
1283eee5 | 299 | |
79575d04 | 300 | dm[12]=253.6; |
301 | dm[13]=258.; | |
302 | dm[14]=278.; | |
1283eee5 | 303 | |
37831078 | 304 | // |
1283eee5 | 305 | |
79575d04 | 306 | dm[15]=253.6; |
307 | dm[16]=264.8; | |
308 | dm[17]=278.; | |
1283eee5 | 309 | |
37831078 | 310 | // |
1283eee5 | 311 | |
79575d04 | 312 | dm[18]=256.6; |
313 | dm[19]=264.8; | |
314 | dm[20]=278.; | |
1283eee5 | 315 | |
79575d04 | 316 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 317 | |
37831078 | 318 | //---------------------------------------------------------------- |
319 | // Tpc Outer Contaiment Vessel | |
320 | // mother volume - Al, daughters - composite (sandwich) | |
321 | //---------------------------------------------------------------- | |
79575d04 | 322 | |
323 | dm[0]=0.; | |
324 | dm[1]=360.; | |
720b23b8 | 325 | dm[2]=6.; |
1283eee5 | 326 | |
37831078 | 327 | // |
1283eee5 | 328 | |
79575d04 | 329 | dm[3]=-250.6; |
330 | dm[4]=270.4; | |
331 | dm[5]=278.; | |
1283eee5 | 332 | |
37831078 | 333 | // |
1283eee5 | 334 | |
79575d04 | 335 | dm[6]=-247.6; |
336 | dm[7]=270.4; | |
337 | dm[8]=278.; | |
1283eee5 | 338 | |
37831078 | 339 | // |
1283eee5 | 340 | |
79575d04 | 341 | dm[9]=-247.6; |
cea9b4f7 | 342 | dm[10]=274.8124; |
79575d04 | 343 | dm[11]=278.; |
1283eee5 | 344 | |
37831078 | 345 | // |
1283eee5 | 346 | |
79575d04 | 347 | dm[12]=253.6; |
cea9b4f7 | 348 | dm[13]=274.8124; |
79575d04 | 349 | dm[14]=278.; |
1283eee5 | 350 | |
720b23b8 | 351 | // |
37831078 | 352 | |
79575d04 | 353 | dm[15]=253.6; |
354 | dm[16]=264.8; | |
355 | dm[17]=278.; | |
1283eee5 | 356 | |
79575d04 | 357 | // |
720b23b8 | 358 | |
79575d04 | 359 | dm[18]=256.6; |
360 | dm[19]=264.8; | |
361 | dm[20]=278.; | |
720b23b8 | 362 | |
363 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 364 | |
79575d04 | 365 | // Daughter volumes - sandwich |
37831078 | 366 | |
367 | // Tpc SAndwich 1 - Al | |
79575d04 | 368 | |
cea9b4f7 | 369 | dm[0]=274.8124; |
79575d04 | 370 | dm[1]=278.; |
371 | dm[2]=252.1; | |
1283eee5 | 372 | |
37831078 | 373 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 374 | |
79575d04 | 375 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 376 | |
37831078 | 377 | dm[0] += 5.e-3; |
378 | dm[1] -= 5.e-3; | |
79575d04 | 379 | |
380 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
381 | ||
382 | // Tpc SAndwich 3 - Tedlar | |
383 | ||
384 | dm[0] += 0.01; | |
385 | dm[1] -= 0.01; | |
37831078 | 386 | |
79575d04 | 387 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
37831078 | 388 | |
37831078 | 389 | |
79575d04 | 390 | // Tpc SAndwich 4 - fiber glass (G10) |
37831078 | 391 | |
cea9b4f7 | 392 | dm[0] += 3.8e-3; |
393 | dm[1] -= 3.8e-3; | |
37831078 | 394 | |
79575d04 | 395 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
37831078 | 396 | |
79575d04 | 397 | // Tpc SAndwich 5 - NOMEX honeycomb |
37831078 | 398 | |
79575d04 | 399 | dm[0] += 0.075; |
400 | dm[1] -= 0.075; | |
37831078 | 401 | |
79575d04 | 402 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
403 | ||
404 | // 5->4->3->2->1->TCOV | |
405 | ||
37831078 | 406 | |
79575d04 | 407 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); |
37831078 | 408 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
409 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 410 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
37831078 | 411 | |
79575d04 | 412 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
37831078 | 413 | |
414 | // TCOV-> TOIN | |
415 | ||
416 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); | |
417 | ||
418 | //------------------------------------------------------- | |
419 | // Tpc Outer Field Cage | |
420 | // mother volume - Al, daughters - composite (sandwich) | |
421 | //------------------------------------------------------- | |
1283eee5 | 422 | |
37831078 | 423 | dm[0]=0.; |
424 | dm[1]=360.; | |
425 | dm[2]=6.; | |
1283eee5 | 426 | |
79575d04 | 427 | // |
428 | ||
429 | dm[3]=-253.6; | |
430 | dm[4]=258.; | |
431 | dm[5]=275.5; | |
1283eee5 | 432 | |
37831078 | 433 | // |
434 | ||
79575d04 | 435 | dm[6]=-250.6; |
436 | dm[7]=258.; | |
437 | dm[8]=275.5; | |
1283eee5 | 438 | |
439 | // | |
79575d04 | 440 | |
441 | dm[9]=-250.6; | |
442 | dm[10]=258.; | |
cea9b4f7 | 443 | dm[11]=260.0476; |
37831078 | 444 | |
1283eee5 | 445 | // |
446 | ||
79575d04 | 447 | dm[12]=250.6; |
448 | dm[13]=258.; | |
cea9b4f7 | 449 | dm[14]=260.0476; |
1283eee5 | 450 | |
37831078 | 451 | // |
1283eee5 | 452 | |
79575d04 | 453 | dm[15]=250.6; |
454 | dm[16]=258.; | |
dcf38560 | 455 | dm[17]=269.6; |
1283eee5 | 456 | |
37831078 | 457 | // |
1283eee5 | 458 | |
79575d04 | 459 | dm[18]=253.6; |
460 | dm[19]=258.; | |
dcf38560 | 461 | dm[20]=269.6; |
37831078 | 462 | |
79575d04 | 463 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
37831078 | 464 | |
465 | // Daughter volumes | |
466 | ||
79575d04 | 467 | // Tpc SAndwich 6 - Tedlar |
37831078 | 468 | |
469 | dm[0]= 258.; | |
cea9b4f7 | 470 | dm[1]= 260.0476; |
79575d04 | 471 | dm[2]= 252.1; |
37831078 | 472 | |
79575d04 | 473 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
37831078 | 474 | |
79575d04 | 475 | // Tpc SAndwich 7 - fiber glass |
37831078 | 476 | |
cea9b4f7 | 477 | dm[0] += 3.8e-3; |
478 | dm[1] -= 3.8e-3; | |
37831078 | 479 | |
79575d04 | 480 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 481 | |
1283eee5 | 482 | |
79575d04 | 483 | // Tpc SAndwich 8 - NOMEX |
37831078 | 484 | |
485 | dm[0] += 0.02; | |
486 | dm[1] -= 0.02; | |
487 | ||
79575d04 | 488 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
37831078 | 489 | |
79575d04 | 490 | // 8->7->6->TOFC |
37831078 | 491 | |
79575d04 | 492 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
493 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
494 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
37831078 | 495 | |
496 | // TOFC->TOIN | |
497 | ||
79575d04 | 498 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
37831078 | 499 | |
500 | // TOIN->TPC | |
501 | ||
502 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
503 | ||
79575d04 | 504 | // inner part |
37831078 | 505 | |
79575d04 | 506 | //-------------------------------------------------------------------- |
507 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
508 | // Inner containment vessel will be placed directly in the TPC | |
509 | //-------------------------------------------------------------------- | |
37831078 | 510 | |
511 | dm[0]=0.; | |
79575d04 | 512 | dm[1]=360.; |
513 | dm[2]=4.; | |
1283eee5 | 514 | |
79575d04 | 515 | // |
1283eee5 | 516 | |
79575d04 | 517 | dm[3]=-253.6; |
518 | dm[4]=65.9; | |
519 | dm[5]=79.2; | |
1283eee5 | 520 | |
37831078 | 521 | // |
1283eee5 | 522 | |
79575d04 | 523 | dm[6]=-73.3; |
524 | dm[7]=61.2; | |
525 | dm[8]=79.2; | |
1283eee5 | 526 | |
37831078 | 527 | // |
1283eee5 | 528 | |
79575d04 | 529 | dm[9]=73.3; |
530 | dm[10]=61.2; | |
531 | dm[11]=79.2; | |
1283eee5 | 532 | |
37831078 | 533 | // |
1283eee5 | 534 | |
79575d04 | 535 | dm[12]=253.6; |
536 | dm[13]=65.9; | |
537 | dm[14]=79.2; | |
1283eee5 | 538 | |
79575d04 | 539 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 540 | |
79575d04 | 541 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 542 | |
79575d04 | 543 | dm[0]=79.16; |
544 | dm[1]=79.2; | |
545 | dm[2]=88.; | |
1283eee5 | 546 | |
79575d04 | 547 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 548 | |
79575d04 | 549 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 550 | |
79575d04 | 551 | //----------------------------------------------------- |
552 | // Tpc Inner Field Cage | |
553 | // mother volume - Al, daughters - composite (sandwich) | |
554 | //------------------------------------------------------ | |
1283eee5 | 555 | |
79575d04 | 556 | dm[0]=0.; |
557 | dm[1]=360.; | |
558 | dm[2]=10.; | |
1283eee5 | 559 | |
37831078 | 560 | // |
1283eee5 | 561 | |
79575d04 | 562 | dm[3]=-253.6; |
563 | dm[4]=70.3; | |
564 | dm[5]=79.2; | |
1283eee5 | 565 | |
37831078 | 566 | // |
1283eee5 | 567 | |
79575d04 | 568 | dm[6]=-250.6; |
569 | dm[7]=70.3; | |
570 | dm[8]=79.2; | |
1283eee5 | 571 | |
37831078 | 572 | // |
1283eee5 | 573 | |
79575d04 | 574 | dm[9]=-250.6; |
cea9b4f7 | 575 | dm[10]=77.0524; |
79575d04 | 576 | dm[11]=79.2; |
1283eee5 | 577 | |
37831078 | 578 | // |
1283eee5 | 579 | |
79575d04 | 580 | dm[12]=-88.; |
cea9b4f7 | 581 | dm[13]=77.0524; |
79575d04 | 582 | dm[14]=79.2; |
1283eee5 | 583 | |
37831078 | 584 | // |
1283eee5 | 585 | |
79575d04 | 586 | dm[15]=-88.; |
cea9b4f7 | 587 | dm[16]=77.0924; |
79575d04 | 588 | dm[17]=79.16; |
4b0fdcad | 589 | |
37831078 | 590 | // |
1283eee5 | 591 | |
79575d04 | 592 | dm[18]=88.; |
cea9b4f7 | 593 | dm[19]=77.0924; |
79575d04 | 594 | dm[20]=79.16; |
1283eee5 | 595 | |
37831078 | 596 | // |
1283eee5 | 597 | |
79575d04 | 598 | dm[21]=88.; |
cea9b4f7 | 599 | dm[22]=77.0524; |
79575d04 | 600 | dm[23]=79.2; |
1283eee5 | 601 | |
602 | // | |
603 | ||
79575d04 | 604 | dm[24]=250.6; |
cea9b4f7 | 605 | dm[25]=77.0524; |
79575d04 | 606 | dm[26]=79.2; |
1283eee5 | 607 | |
37831078 | 608 | // |
1283eee5 | 609 | |
79575d04 | 610 | dm[27]=250.6; |
611 | dm[28]=70.3; | |
612 | dm[29]=79.2; | |
1283eee5 | 613 | |
37831078 | 614 | // |
1283eee5 | 615 | |
79575d04 | 616 | dm[30]=253.6; |
617 | dm[31]=70.3; | |
618 | dm[32]=79.2; | |
1283eee5 | 619 | |
79575d04 | 620 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 621 | |
79575d04 | 622 | // daughter volumes - central part |
1283eee5 | 623 | |
79575d04 | 624 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 625 | |
cea9b4f7 | 626 | dm[0]=77.0924; |
79575d04 | 627 | dm[1]=79.16; |
628 | dm[2]=88.; | |
1283eee5 | 629 | |
79575d04 | 630 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 631 | |
79575d04 | 632 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 633 | |
cea9b4f7 | 634 | dm[0] += 3.8e-3; |
635 | dm[1] -= 3.8e-3; | |
1283eee5 | 636 | |
79575d04 | 637 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 638 | |
79575d04 | 639 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 640 | |
79575d04 | 641 | dm[0] += 0.03; |
642 | dm[1] -= 0.03; | |
1283eee5 | 643 | |
79575d04 | 644 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 645 | |
79575d04 | 646 | // 11->10->9->TIFC |
1283eee5 | 647 | |
79575d04 | 648 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
649 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 650 | |
79575d04 | 651 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 652 | |
79575d04 | 653 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 654 | |
79575d04 | 655 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 656 | |
cea9b4f7 | 657 | dm[0]=77.0524; |
79575d04 | 658 | dm[1]=79.2; |
659 | dm[2]=82.05; | |
1283eee5 | 660 | |
79575d04 | 661 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 662 | |
79575d04 | 663 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 664 | |
cea9b4f7 | 665 | dm[0] += 3.8e-3; |
666 | dm[1] -= 3.8e-3; | |
1283eee5 | 667 | |
79575d04 | 668 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 669 | |
79575d04 | 670 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 671 | |
79575d04 | 672 | dm[0] += 0.07; |
673 | dm[1] -= 0.07; | |
1283eee5 | 674 | |
79575d04 | 675 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 676 | |
79575d04 | 677 | // 14->13->12->TIFC |
1283eee5 | 678 | |
79575d04 | 679 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
680 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 681 | |
79575d04 | 682 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
683 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 684 | |
79575d04 | 685 | // place this inside the inner insulator |
1283eee5 | 686 | |
79575d04 | 687 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 688 | |
79575d04 | 689 | // and now in the TPC... |
1283eee5 | 690 | |
79575d04 | 691 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 692 | |
79575d04 | 693 | //--------------------------------------------------------- |
694 | // Tpc Inner Containment vessel - Cones | |
695 | //--------------------------------------------------------- | |
1283eee5 | 696 | |
79575d04 | 697 | dm[0]=0.; |
698 | dm[1]=360.; | |
37831078 | 699 | dm[2]=8.; |
1283eee5 | 700 | |
37831078 | 701 | // |
1283eee5 | 702 | |
79575d04 | 703 | dm[3]=71.8; |
704 | dm[4]=56.9; | |
705 | dm[5]=59.4; | |
1283eee5 | 706 | |
37831078 | 707 | // |
1283eee5 | 708 | |
79575d04 | 709 | dm[6]=73.; |
710 | dm[7]=56.9; | |
711 | dm[8]=59.4; | |
1283eee5 | 712 | |
37831078 | 713 | // |
1283eee5 | 714 | |
79575d04 | 715 | dm[9]=73.; |
716 | dm[10]=56.9; | |
717 | dm[11]=61.2; | |
1283eee5 | 718 | |
37831078 | 719 | // |
1283eee5 | 720 | |
79575d04 | 721 | dm[12]=73.3; |
722 | dm[13]=56.9; | |
723 | dm[14]=61.2; | |
1283eee5 | 724 | |
37831078 | 725 | // |
79575d04 | 726 | |
727 | dm[15]=73.3; | |
728 | dm[16]=60.9; | |
729 | dm[17]=61.2; | |
1283eee5 | 730 | |
79575d04 | 731 | // |
4b0fdcad | 732 | |
79575d04 | 733 | dm[18]=253.6; |
734 | dm[19]=65.6; | |
735 | dm[20]=65.9; | |
4b0fdcad | 736 | |
4b0fdcad | 737 | // |
37831078 | 738 | |
79575d04 | 739 | dm[21]=253.6; |
740 | dm[22]=65.6; | |
f4900c61 | 741 | dm[23]=74.6; |
37831078 | 742 | |
4b0fdcad | 743 | // |
4b0fdcad | 744 | |
f4900c61 | 745 | dm[24]=256.6; |
79575d04 | 746 | dm[25]=65.6; |
f4900c61 | 747 | dm[26]=74.6; |
37831078 | 748 | |
79575d04 | 749 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
37831078 | 750 | |
79575d04 | 751 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
37831078 | 752 | |
79575d04 | 753 | // reflection matrix |
754 | ||
755 | theta1 = 90.; | |
756 | phi1 = 0.; | |
757 | theta2 = 90.; | |
758 | phi2 = 270.; | |
759 | theta3 = 180.; | |
760 | phi3 = 0.; | |
4b0fdcad | 761 | |
79575d04 | 762 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
4b0fdcad | 763 | |
79575d04 | 764 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
765 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 766 | |
37831078 | 767 | |
79575d04 | 768 | //--------------------------------------------------------- |
769 | // Tpc Inner Containment vessel - Middle part -Al | |
770 | //--------------------------------------------------------- | |
37831078 | 771 | |
79575d04 | 772 | dm[0]=0.; |
773 | dm[1]=360.; | |
774 | dm[2]=6.; | |
37831078 | 775 | |
4b0fdcad | 776 | // |
4b0fdcad | 777 | |
79575d04 | 778 | dm[3]=-71.6; |
779 | dm[4]=60.2; | |
780 | dm[5]=61.2; | |
37831078 | 781 | |
4b0fdcad | 782 | // |
37831078 | 783 | |
79575d04 | 784 | dm[6]=-69.1; |
785 | dm[7]=60.2; | |
786 | dm[8]=61.2; | |
37831078 | 787 | |
4b0fdcad | 788 | // |
37831078 | 789 | |
79575d04 | 790 | dm[9]=-69.1; |
cea9b4f7 | 791 | dm[10]=60.6224; |
79575d04 | 792 | dm[11]=61.2; |
37831078 | 793 | |
794 | // | |
795 | ||
79575d04 | 796 | dm[12]=69.1; |
cea9b4f7 | 797 | dm[13]=60.6224; |
79575d04 | 798 | dm[14]=61.2; |
37831078 | 799 | |
800 | // | |
801 | ||
79575d04 | 802 | dm[15]=69.1; |
803 | dm[16]=60.2; | |
804 | dm[17]=61.2; | |
37831078 | 805 | |
806 | // | |
807 | ||
79575d04 | 808 | dm[18]=71.6; |
809 | dm[19]=60.2; | |
810 | dm[20]=61.2; | |
37831078 | 811 | |
79575d04 | 812 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
37831078 | 813 | |
79575d04 | 814 | // Tpc Sandwich 15 - Al |
37831078 | 815 | |
cea9b4f7 | 816 | dm[0]=60.6224; |
79575d04 | 817 | dm[1]=61.2; |
818 | dm[2]=70.1; | |
37831078 | 819 | |
79575d04 | 820 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
37831078 | 821 | |
79575d04 | 822 | // Tpc Sandwich 16 - epoxy glue |
37831078 | 823 | |
79575d04 | 824 | dm[0] += 5.e-3; |
825 | dm[1] -= 5.e-3; | |
37831078 | 826 | |
79575d04 | 827 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
37831078 | 828 | |
6a905708 | 829 | // Tpc Sandwich 17 - Tedlar |
37831078 | 830 | |
79575d04 | 831 | dm[0] += 0.01; |
832 | dm[1] -= 0.01; | |
37831078 | 833 | |
6a905708 | 834 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 835 | |
cea9b4f7 | 836 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 837 | |
cea9b4f7 | 838 | dm[0] += 3.8e-3; |
839 | dm[1] -= 3.8e-3; | |
37831078 | 840 | |
cea9b4f7 | 841 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 842 | |
79575d04 | 843 | // Tpc Sandwich 19 - Nomex |
37831078 | 844 | |
cea9b4f7 | 845 | dm[0] += 0.02; |
846 | dm[1] -= 0.02; | |
37831078 | 847 | |
90222263 | 848 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 849 | |
79575d04 | 850 | // 19->18->17->16->15-> TICM |
37831078 | 851 | |
79575d04 | 852 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 853 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 854 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
855 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 856 | |
79575d04 | 857 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
858 | ||
37831078 | 859 | |
79575d04 | 860 | // TPc inner cont. vessel Joints |
37831078 | 861 | |
79575d04 | 862 | dm[0]=60.2; |
863 | dm[1]=61.2; | |
864 | dm[2]=0.5; | |
37831078 | 865 | |
79575d04 | 866 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 867 | |
79575d04 | 868 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
869 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 870 | |
79575d04 | 871 | // |
37831078 | 872 | |
79575d04 | 873 | dm[0]=0.; |
874 | dm[1]=360.; | |
875 | dm[2]=4.; | |
37831078 | 876 | |
79575d04 | 877 | // |
37831078 | 878 | |
79575d04 | 879 | dm[3]=70.8; |
880 | dm[4]=58.4; | |
881 | dm[5]=60.1; | |
37831078 | 882 | |
79575d04 | 883 | // |
37831078 | 884 | |
79575d04 | 885 | dm[6]=71.2; |
886 | dm[7]=58.4; | |
887 | dm[8]=60.1; | |
37831078 | 888 | |
79575d04 | 889 | // |
37831078 | 890 | |
79575d04 | 891 | dm[9]=71.2; |
892 | dm[10]=58.4; | |
893 | dm[11]=59.4; | |
37831078 | 894 | |
79575d04 | 895 | // |
37831078 | 896 | |
79575d04 | 897 | dm[12]=71.6; |
898 | dm[13]=58.4; | |
899 | dm[14]=59.4; | |
37831078 | 900 | |
79575d04 | 901 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 902 | |
79575d04 | 903 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
904 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 905 | |
37831078 | 906 | |
37831078 | 907 | |
79575d04 | 908 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 909 | |
79575d04 | 910 | dm[0]=58.4; |
911 | dm[1]=61.2; | |
912 | dm[2]=0.1; | |
37831078 | 913 | |
79575d04 | 914 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 915 | |
79575d04 | 916 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
917 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 918 | |
79575d04 | 919 | // TICM -> TPC |
37831078 | 920 | |
79575d04 | 921 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 922 | |
79575d04 | 923 | // |
37831078 | 924 | |
79575d04 | 925 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 926 | |
927 | //--------------------------------------------------------- | |
928 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
929 | // and its daughters (HV membrane, rods, readout chambers) | |
930 | //--------------------------------------------------------- | |
931 | ||
932 | dm[0]= 79.2; | |
933 | dm[1]= 258.0; | |
934 | dm[2]= 253.6; | |
935 | ||
79575d04 | 936 | gMC->Gsvolu("TDGS","TUBE",idtmed[2],dm,3); |
37831078 | 937 | |
938 | // sector opening angles | |
939 | ||
940 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
941 | ||
942 | // sector angle shift | |
943 | ||
944 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
945 | ||
946 | // number of sectors | |
947 | ||
948 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; | |
949 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
950 | ||
951 | // All above parameters are identical for inner and outer | |
952 | // sectors. The distinction is kept for the historical reasons | |
953 | // and eventually will disappear. | |
954 | ||
955 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
956 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
957 | Float_t space; | |
958 | ||
959 | //------------------------------------------------------------------------- | |
960 | // Tpc Inner Readout Chambers | |
961 | //------------------------------------------------------------------------- | |
962 | ||
963 | dm[0]= 14.483; | |
964 | dm[1]= 23.3345; | |
965 | dm[2]= 1.6; // thickness | |
966 | dm[3]= 25.1; | |
967 | ||
968 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
969 | ||
970 | // this volume will be positioned in the empty space | |
971 | // of the end-cap to avoid overlaps | |
972 | ||
973 | dm[0]= 13.7305; | |
974 | dm[1]= 21.1895; | |
975 | dm[2]= 2.25; | |
976 | dm[3]= 21.15; | |
977 | ||
978 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
979 | ||
980 | ||
981 | //------------------------------------------------ | |
982 | // Tpc Inner readout chamber Pad Plane | |
983 | //------------------------------------------------ | |
984 | ||
985 | dm[0]= 14.483; | |
986 | dm[1]= 23.3345; | |
987 | dm[2]= 0.5; | |
988 | dm[3]= 25.1; | |
989 | ||
990 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
991 | ||
992 | // | |
993 | ||
994 | dm[0] -= 1.218511934; | |
995 | dm[1] -= 1.218511934; | |
996 | dm[2] = 0.35; | |
997 | ||
79575d04 | 998 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); |
37831078 | 999 | |
1000 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
1001 | ||
1002 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
1003 | ||
1004 | ||
1005 | //---------------------------------------------- | |
1006 | // Tpc Readout Chambers Empty spaces - for both | |
1007 | // inner and outer sectors | |
1008 | //---------------------------------------------- | |
1009 | ||
1010 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
1011 | ||
1012 | // Inner sector - 4 spaces | |
1013 | ||
1014 | ||
1015 | dm[3] = 4.7625; | |
1016 | dm[0] = 12.472; | |
1017 | ||
1018 | Float_t rr = 90.52; | |
1019 | Float_t zz; | |
1020 | ||
1021 | zz= -12.7875; | |
1022 | ||
1023 | space = rr*tanAlpha-dm[0]; | |
1024 | ||
1025 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
1026 | ||
1027 | rr += 9.525; | |
1028 | dm[1]= rr*tanAlpha - space; | |
1029 | ||
1030 | dm[2]=0.8; | |
1031 | ||
1032 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
1033 | ||
1034 | // | |
1035 | ||
79575d04 | 1036 | dm[2] = 1.2; |
37831078 | 1037 | |
1038 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
1039 | ||
1040 | rr += 0.4; | |
1041 | dm[0] = rr*tanAlpha - space; | |
1042 | zz += (0.4+9.525); | |
1043 | ||
1044 | } | |
1045 | ||
1046 | dm[0]= 12.472; | |
1047 | // dm[1] - this is the dm[1] from the previous TRCE | |
1048 | dm[2]= 1.05; | |
1049 | dm[3]= 19.65; | |
1050 | ||
79575d04 | 1051 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 1052 | |
1053 | // | |
1054 | // TPc Space for Connectors | |
1055 | // | |
1056 | ||
1057 | dm[0]= .3; | |
1058 | dm[1]= .3; | |
1059 | dm[2]= 4.5; | |
1060 | ||
1061 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
1062 | ||
1063 | // TPC Connectors | |
1064 | ||
1065 | dm[0]= .25; | |
1066 | dm[1]= .15; | |
1067 | dm[2]= 3.75; | |
1068 | ||
1069 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1070 | ||
1071 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1072 | ||
1073 | zz = -12.7875; | |
1074 | ||
1075 | ||
1076 | Float_t alpha; | |
1077 | Float_t astep; | |
1078 | ||
37831078 | 1079 | // inner part of the inner sector - 2 x 20 holes |
1080 | ||
1081 | astep = 20.00096874/19.; | |
1082 | ||
1083 | alpha = 10.00048437-astep; | |
1084 | ||
1085 | Float_t x1,x2; | |
1086 | ||
1087 | x1 = 13.31175725; | |
1088 | x1 -= 0.996357832; | |
1089 | ||
1090 | x2 = 15.06180253; | |
1091 | x2 -= 1.163028812; | |
1092 | ||
1093 | Int_t ncon; | |
1094 | ||
1095 | for(ncon=0;ncon<20;ncon++){ | |
1096 | ||
1097 | phi1 = 0.; | |
1098 | theta1 = 90.+alpha; | |
1099 | phi2=90.; | |
1100 | theta2 = 90.; | |
1101 | phi3 = (alpha>0) ? 0. : 180.; | |
1102 | theta3 = TMath::Abs(alpha); | |
1103 | ||
1104 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1105 | ||
1106 | ||
1107 | ||
1108 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1109 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1110 | ||
1111 | ||
1112 | x1 -= 1.296357833; | |
1113 | x2 -= 1.463028812; | |
1114 | ||
1115 | alpha -= astep; | |
1116 | nRotMat++; | |
1117 | ||
1118 | } | |
1119 | ||
1120 | // outer part of the inner sector - 2 x 25 holes | |
1121 | ||
1122 | astep = 20.00096874/24.; | |
1123 | alpha = 10.00048437-astep; | |
1124 | ||
1125 | x1 = 16.81184781; | |
1126 | x1 -= 1.016295986; | |
1127 | ||
1128 | x2 = 18.5618931; | |
1129 | x2 -= 1.150914854; | |
1130 | ||
1131 | for(ncon=0;ncon<25;ncon++){ | |
1132 | ||
1133 | phi1 = 0.; | |
1134 | theta1 = 90.+alpha; | |
1135 | phi2=90.; | |
1136 | theta2 = 90.; | |
1137 | phi3 = (alpha>0) ? 0. : 180.; | |
1138 | theta3 = TMath::Abs(alpha); | |
1139 | ||
1140 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1141 | ||
1142 | ||
1143 | ||
1144 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1145 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1146 | ||
1147 | ||
1148 | x1 -= 1.316295986; | |
1149 | x2 -= 1.450914854; | |
1150 | ||
1151 | alpha -= astep; | |
1152 | nRotMat++; | |
1153 | ||
1154 | } | |
1155 | ||
1156 | //-------------------------------------------------------------------------- | |
1157 | // TPC Outer Readout Chambers | |
1158 | // this is NOT a final design | |
1159 | //-------------------------------------------------------------------------- | |
1160 | ||
1161 | dm[0]= 23.3875; | |
1162 | dm[1]= 43.524; | |
1163 | dm[2]= 1.5; //thickness | |
1164 | dm[3]= 57.1; | |
1165 | ||
1166 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1167 | ||
1168 | //------------------------------------------------ | |
79575d04 | 1169 | // Tpc Outer readout chamber Pad Plane |
37831078 | 1170 | //------------------------------------------------ |
1171 | ||
1172 | dm[2]= 0.5; | |
1173 | ||
1174 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1175 | ||
1176 | dm[0] -= 1.218511934; | |
1177 | dm[1] -= 1.218511934; | |
1178 | dm[2] = 0.35; | |
1179 | ||
79575d04 | 1180 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); |
37831078 | 1181 | |
1182 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1183 | ||
1184 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1185 | ||
1186 | // empty space | |
1187 | ||
37831078 | 1188 | dm[0]= 21.035; |
1189 | dm[1]= 38.7205; | |
1190 | dm[2]= 0.7; | |
1191 | dm[3]= 50.15; | |
1192 | ||
1193 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1194 | ||
1195 | dm[0]= 22.2935; | |
1196 | dm[1]= 40.5085; | |
1197 | dm[2]= 2.25; | |
1198 | dm[3]= 51.65; | |
1199 | ||
1200 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1201 | ||
37831078 | 1202 | dm[0]= 21.35; |
1203 | dm[1]= 38.7205; | |
1204 | dm[2]= 2.25; | |
1205 | dm[3]= 50.15; | |
1206 | ||
79575d04 | 1207 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1208 | |
1209 | //----------------------------------------------- | |
1210 | // Tpc Services Support Wheel | |
1211 | //----------------------------------------------- | |
1212 | ||
1213 | dm[0]=0.; | |
1214 | dm[1]=360.; | |
1215 | dm[2]=18.; | |
1216 | dm[3]=2.; | |
1217 | ||
1218 | dm[4]= -5.; | |
1219 | dm[5]= 77.017; | |
1220 | dm[6]= 255.267; | |
1221 | ||
1222 | dm[7]= 5.; | |
1223 | dm[8]= dm[5]; | |
1224 | dm[9]= dm[6]; | |
1225 | ||
1226 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1227 | ||
1228 | // Tpc Services Wheel Cover | |
1229 | ||
1230 | dm[4]= -0.5; | |
1231 | dm[7]= 0.5; | |
1232 | ||
1233 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1234 | ||
1235 | // Tpc Service wheel Cover Empty space | |
1236 | ||
1237 | dm[0]= 10.99; | |
1238 | dm[1]= 39.599; | |
1239 | dm[2]= .5; | |
1240 | dm[3]= 81.125; | |
1241 | ||
1242 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1243 | ||
1244 | // Tpc services Wheel Empty Spaces | |
1245 | ||
1246 | dm[0]= 13.18017507; | |
1247 | dm[1]= 44.61045938; | |
1248 | dm[2]= 4.; | |
1249 | dm[3]= 89.125; | |
1250 | ||
1251 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1252 | ||
1253 | // Tpc Services Wheel Bars | |
1254 | ||
1255 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1256 | ||
1257 | // bars-> TWES | |
1258 | ||
1259 | dm[2]= 4.; | |
1260 | dm[3]= .4; | |
1261 | ||
1262 | dm[0]= 13.8149522; | |
1263 | dm[1]= 13.95601379; | |
1264 | ||
1265 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1266 | ||
1267 | dm[0]= 43.83462067; | |
1268 | dm[1]= 43.97568225; | |
1269 | ||
1270 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1271 | ||
1272 | // TPc ELectronics - right now 30% X0 Si | |
1273 | ||
1274 | dm[0]= 14.03813696; | |
1275 | dm[1]= 43.3524075; | |
1276 | dm[2]= 1.404; | |
1277 | dm[3]= 83.125; | |
1278 | ||
1279 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1280 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1281 | ||
37831078 | 1282 | //-------------------------------------------------------------------------- |
1283 | // End caps | |
1284 | //-------------------------------------------------------------------------- | |
1285 | ||
1286 | // TPc Main Wheel - Al | |
1287 | ||
79575d04 | 1288 | dm[0]= 74.9; |
1289 | dm[1]= 264.4; | |
37831078 | 1290 | dm[2]= 3.0; |
1291 | ||
1292 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1293 | ||
37831078 | 1294 | //-------------------------------------------------------------------------- |
1295 | // Tpc Empty Space for the Readout chambers | |
1296 | //-------------------------------------------------------------------------- | |
1297 | ||
1298 | Float_t rLow= 86.2; | |
1299 | Float_t rUp= 243.5; | |
1300 | Float_t dR = 0.5*(rUp-rLow); | |
1301 | ||
79575d04 | 1302 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1303 | |
1304 | dm[0]= rLow*tanAlpha-space; | |
1305 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1306 | dm[2] = 3.0; |
37831078 | 1307 | dm[3]= dR; |
1308 | ||
1309 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1310 | ||
1311 | // TIC1->TESR | |
1312 | ||
37831078 | 1313 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1314 | ||
37831078 | 1315 | // TOC1->TESR |
1316 | ||
1317 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1318 | ||
1319 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1320 | ||
1321 | Float_t zBar; | |
1322 | ||
1323 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1324 | ||
1325 | // lower bar | |
1326 | ||
1327 | dm[0]= rLow*tanAlpha-space; | |
1328 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1329 | dm[2]= 2.25; |
37831078 | 1330 | dm[3]= 1.275; |
1331 | ||
1332 | zBar = -dR+dm[3]; | |
1333 | ||
79575d04 | 1334 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1335 | |
1336 | // middle bar | |
1337 | ||
1338 | dm[0]= 131.65*tanAlpha-space; | |
1339 | dm[1]= 136.5*tanAlpha-space; | |
1340 | dm[3]= 2.425; | |
1341 | ||
1342 | zBar = -dR +131.65+dm[3]-rLow; | |
1343 | ||
79575d04 | 1344 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1345 | |
1346 | // upper bar | |
1347 | ||
1348 | dm[0]= 240.4*tanAlpha-space; | |
1349 | dm[1]= rUp*tanAlpha-space; | |
1350 | dm[3]= 1.55; | |
1351 | ||
1352 | zBar = dR-dm[3]; | |
1353 | ||
79575d04 | 1354 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1355 | |
1356 | // positioning of the empty spaces into the main wheel | |
1357 | ||
1358 | Float_t rCenter,xc,yc; | |
1359 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1360 | ||
1361 | rCenter = rLow+dR; | |
1362 | ||
1363 | rInner = 108.07; | |
1364 | rOuter = 190.68; | |
1365 | ||
79575d04 | 1366 | |
37831078 | 1367 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1368 | ||
1369 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1370 | phi1 *= kRaddeg; // in degrees | |
1371 | ||
1372 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1373 | ||
1374 | if (phi1 > 360.) phi1 -= 360.; | |
1375 | ||
1376 | theta1 = 90.; | |
1377 | phi2 = 90.; | |
1378 | theta2 = 180.; | |
1379 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1380 | phi3 *= kRaddeg; // in degrees | |
1381 | ||
1382 | phi3 = (Float_t)TMath::Nint(phi3); | |
1383 | ||
1384 | if(phi3 > 360.) phi3 -= 360.; | |
1385 | ||
1386 | theta3 = 90.; | |
1387 | ||
1388 | // "holes"->End plate | |
1389 | ||
1390 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1391 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1392 | ||
1393 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1394 | ||
1395 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1396 | ||
1397 | // TSCE->TSWC (services wheel volumes) | |
1398 | ||
1399 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1400 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1401 | ||
1402 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1403 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1404 | ||
1405 | ||
1406 | // readout chambers->TDGS (drift gas) | |
1407 | ||
1408 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1409 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1410 | ||
1411 | gMC->Gspos("TIRC",ns+1,"TDGS",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1412 | ||
1413 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1414 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1415 | ||
1416 | gMC->Gspos("TORC",ns+1,"TDGS",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1417 | ||
1418 | nRotMat++; | |
1419 | ||
1420 | theta2 = 0.; // reflection | |
1421 | ||
1422 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1423 | ||
1424 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1425 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1426 | ||
1427 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGS",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1428 | ||
1429 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1430 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1431 | ||
1432 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGS",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1433 | ||
1434 | nRotMat++; | |
1435 | ||
37831078 | 1436 | } |
37831078 | 1437 | // TPMW->TPC |
1438 | ||
1439 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1440 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
1441 | ||
1442 | //--------------------------------------------------------- | |
1443 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1444 | //--------------------------------------------------------- | |
37831078 | 1445 | |
79575d04 | 1446 | dm[0]=82.8; |
1447 | dm[1]=252.; | |
1448 | dm[2]=0.005; | |
37831078 | 1449 | |
79575d04 | 1450 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1451 | |
79575d04 | 1452 | gMC->Gspos("THVM",1,"TDGS",0.,0.,0.,0,"ONLY"); |
37831078 | 1453 | |
79575d04 | 1454 | // Tpc High Voltage membrane Holders |
37831078 | 1455 | |
79575d04 | 1456 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1457 | |
79575d04 | 1458 | |
37831078 | 1459 | |
79575d04 | 1460 | // inner |
37831078 | 1461 | |
79575d04 | 1462 | dm[0]=79.3; |
1463 | dm[1]=82.8; | |
1464 | dm[2]=0.2; | |
37831078 | 1465 | |
79575d04 | 1466 | gMC->Gsposp("THVH",1,"TDGS",0.,0.,0.,0,"ONLY",dm,3); |
1467 | ||
1468 | // outer | |
37831078 | 1469 | |
79575d04 | 1470 | dm[0]= 252.; |
1471 | dm[1]= 257.9; | |
1472 | dm[2]= 0.4; | |
1473 | ||
1474 | gMC->Gsposp("THVH",2,"TDGS",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1475 | |
1476 | //---------------------------------------------------------- | |
1477 | // TPc Support Rods - MAKROLON | |
1478 | //---------------------------------------------------------- | |
1479 | ||
1480 | dm[0]= 0.9; | |
1481 | dm[1]= 1.2; | |
37831078 | 1482 | |
79575d04 | 1483 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1484 | |
79575d04 | 1485 | |
1486 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1487 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1488 | ||
79575d04 | 1489 | xc=81.5*TMath::Cos(angle); |
1490 | yc=81.5*TMath::Sin(angle); | |
37831078 | 1491 | |
79575d04 | 1492 | dm[2]=126.7; |
37831078 | 1493 | |
79575d04 | 1494 | gMC->Gsposp("TPSR",nrod+1,"TDGS",xc,yc,126.9,0,"ONLY",dm,3); |
1495 | gMC->Gsposp("TPSR",nrod+19,"TDGS",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1496 | |
79575d04 | 1497 | dm[2]=126.6; |
37831078 | 1498 | |
79575d04 | 1499 | xc=254.25*TMath::Cos(angle); |
1500 | yc=254.25*TMath::Sin(angle); | |
1501 | ||
1502 | // rod number 54 contans the HV cable | |
1503 | ||
1504 | if(nrod<17) { | |
1505 | gMC->Gsposp("TPSR",nrod+37,"TDGS",xc,yc,127.,0,"ONLY",dm,3); | |
1506 | gMC->Gsposp("TPSR",nrod+54,"TDGS",xc,yc,-127.,0,"ONLY",dm,3); | |
1507 | } | |
1508 | ||
37831078 | 1509 | } |
1510 | ||
1511 | //---------------------------------------------------------- | |
79575d04 | 1512 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1513 | //---------------------------------------------------------- |
1514 | ||
1515 | // rod with cable (Left) | |
1516 | ||
1517 | dm[0]=0.; | |
1518 | dm[1]=2.25; | |
79575d04 | 1519 | dm[2]=126.6; |
37831078 | 1520 | |
1521 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1522 | ||
1523 | // HV cable | |
1524 | ||
1525 | dm[0]=0.; | |
1526 | dm[1]=0.3; | |
79575d04 | 1527 | dm[2]=126.6; |
37831078 | 1528 | |
79575d04 | 1529 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1530 | |
1531 | // empty space | |
1532 | ||
1533 | dm[0]=0.3; | |
1534 | dm[1]=1.; | |
79575d04 | 1535 | dm[2]=126.6; |
37831078 | 1536 | |
1537 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1538 | ||
1539 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1540 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1541 | ||
1542 | // rod without cable | |
1543 | ||
1544 | dm[0]=1.8; | |
1545 | dm[1]=2.25; | |
79575d04 | 1546 | dm[2]=126.6; |
37831078 | 1547 | |
1548 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1549 | ||
79575d04 | 1550 | gMC->Gspos("THVL",1,"TDGS",xc,yc,-127.,0,"ONLY"); |
1551 | gMC->Gspos("THVR",1,"TDGS",xc,yc,127.,0,"ONLY"); | |
37831078 | 1552 | |
1553 | gMC->Gspos("TDGS",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1554 | |
37831078 | 1555 | // services wheel cover -> wheel |
1556 | ||
1557 | ||
1558 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1559 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1560 | ||
1561 | ||
1562 | // put the wheel into the TPC | |
1563 | ||
1564 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1565 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1566 | ||
79575d04 | 1567 | // |
1568 | ||
37831078 | 1569 | gMC->Gsord("TPMW",6); |
1570 | gMC->Gsord("TSSW",6); | |
1571 | gMC->Gsord("TSWC",6); | |
1572 | ||
1573 | // put the TPC into ALIC (main mother volume) | |
1574 | ||
1575 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); | |
1576 | ||
1577 | ||
1578 | } // end of function | |
37831078 | 1579 | |
1580 | //_____________________________________________________________________________ | |
1581 | void AliTPCv3::DrawDetector() | |
1582 | { | |
1583 | // | |
79575d04 | 1584 | // Draw a shaded view of the Time Projection Chamber version 3 |
37831078 | 1585 | // |
1586 | ||
1587 | ||
1588 | // Set everything unseen | |
1589 | gMC->Gsatt("*", "seen", -1); | |
1590 | // | |
1591 | // Set ALIC mother transparent | |
1592 | gMC->Gsatt("ALIC","SEEN",0); | |
1593 | // | |
1594 | // Set the volumes visible | |
1595 | // | |
1596 | ||
1597 | gMC->Gsatt("TPC ","SEEN",0); | |
1598 | gMC->Gsatt("TOIN","SEEN",1); | |
1599 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1600 | gMC->Gsatt("TOCV","SEEN",1); |
1601 | gMC->Gsatt("TOCV","COLO",4); | |
1602 | gMC->Gsatt("TSA1","SEEN",0); | |
1603 | gMC->Gsatt("TSA2","SEEN",0); | |
1604 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1605 | gMC->Gsatt("TSA4","SEEN",0); |
1606 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1607 | gMC->Gsatt("TOFC","SEEN",1); |
1608 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1609 | gMC->Gsatt("TSA6","SEEN",0); |
1610 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1611 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1612 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1613 | gMC->Gsatt("TIIN","COLO",7); |
1614 | gMC->Gsatt("TII1","SEEN",0); | |
1615 | gMC->Gsatt("TIFC","SEEN",1); | |
1616 | gMC->Gsatt("TIFC","COLO",4); | |
1617 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1618 | gMC->Gsatt("TS10","SEEN",0); |
1619 | gMC->Gsatt("TS11","SEEN",0); | |
1620 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1621 | gMC->Gsatt("TS13","SEEN",0); |
1622 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1623 | gMC->Gsatt("TICC","SEEN",0); |
1624 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1625 | gMC->Gsatt("TS15","SEEN",0); |
1626 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1627 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1628 | gMC->Gsatt("TS18","SEEN",0); |
1629 | gMC->Gsatt("TS19","SEEN",0); | |
1630 | gMC->Gsatt("TPJ1","SEEN",0); | |
1631 | gMC->Gsatt("TPJ2","SEEN",0); | |
1632 | gMC->Gsatt("TICS","SEEN",0); | |
1633 | gMC->Gsatt("TDGS","SEEN",0); | |
37831078 | 1634 | gMC->Gsatt("TIRC","SEEN",0); |
1635 | gMC->Gsatt("TIC1","SEEN",1); | |
1636 | gMC->Gsatt("TIPP","SEEN",0); | |
1637 | gMC->Gsatt("TIC3","SEEN",0); | |
1638 | gMC->Gsatt("TRCE","SEEN",0); | |
1639 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1640 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1641 | gMC->Gsatt("TORC","SEEN",0); |
1642 | gMC->Gsatt("TOPP","SEEN",0); | |
1643 | gMC->Gsatt("TOC3","SEEN",0); | |
1644 | gMC->Gsatt("TOC1","SEEN",1); | |
1645 | gMC->Gsatt("TSSW","SEEN",1); | |
1646 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1647 | gMC->Gsatt("TSSW","COLO",3); |
1648 | gMC->Gsatt("TSWC","COLO",3); | |
1649 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1650 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1651 | gMC->Gsatt("TWES","SEEN",0); |
1652 | gMC->Gsatt("TSWB","SEEN",0); | |
1653 | gMC->Gsatt("TPEL","SEEN",0); | |
1654 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1655 | gMC->Gsatt("TESR","SEEN",1); |
1656 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1657 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1658 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1659 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1660 | gMC->Gsatt("THVM","SEEN",1); |
1661 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1662 | gMC->Gsatt("THVH","SEEN",0); |
1663 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1664 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1665 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1666 | gMC->Gsatt("THVE","SEEN",0); |
1667 | gMC->Gsatt("THVR","SEEN",0); | |
1668 | ||
1669 | // | |
1670 | gMC->Gdopt("hide", "on"); | |
1671 | gMC->Gdopt("shad", "on"); | |
1672 | gMC->Gsatt("*", "fill", 7); | |
1673 | gMC->SetClipBox("."); | |
1674 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1675 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1676 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1677 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1678 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1679 | gMC->DefaultRange(); | |
1680 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1681 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1682 | gMC->Gdman(18, 4, "MAN"); | |
1683 | gMC->Gdopt("hide","off"); | |
1684 | } | |
1685 | ||
1686 | //_____________________________________________________________________________ | |
1687 | void AliTPCv3::CreateMaterials() | |
1688 | { | |
1689 | // | |
1690 | // Define materials for version 2 of the Time Projection Chamber | |
1691 | // | |
1692 | ||
1693 | ||
1694 | // | |
1695 | AliTPC::CreateMaterials(); | |
1696 | } | |
1697 | ||
1698 | //_____________________________________________________________________________ | |
1699 | void AliTPCv3::Init() | |
1700 | { | |
1701 | // | |
1702 | // Initialises version 3 of the TPC after that it has been built | |
1703 | // | |
1704 | Int_t *idtmed = fIdtmed->GetArray(); | |
4b0fdcad | 1705 | |
1706 | AliTPC::Init(); | |
1707 | ||
37831078 | 1708 | fIdSens=gMC->VolId("TDGS"); // drift gas as a sensitive volume |
4b0fdcad | 1709 | |
1710 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1711 | ||
37831078 | 1712 | gMC->Gstpar(idtmed[2],"LOSS",5); |
4b0fdcad | 1713 | |
13a8c8d7 | 1714 | printf("%s: *** TPC version 3 initialized***\n",ClassName()); |
1715 | ||
1716 | printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep()); | |
1717 | ||
1718 | // printf("*** TPC version 3 initialized ***\n"); | |
1719 | // printf("Maximum number of steps = %d\n",gMC->GetMaxNStep()); | |
4b0fdcad | 1720 | |
1721 | // | |
1722 | ||
1723 | } | |
1724 | ||
1725 | //_____________________________________________________________________________ | |
1726 | void AliTPCv3::StepManager() | |
1727 | { | |
1728 | // | |
1729 | // Called for every step in the Time Projection Chamber | |
1730 | // | |
1731 | ||
1732 | // | |
1733 | // parameters used for the energy loss calculations | |
1734 | // | |
73042f01 | 1735 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1736 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1737 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
4b0fdcad | 1738 | |
1739 | ||
73042f01 | 1740 | const Float_t kbig = 1.e10; |
4b0fdcad | 1741 | |
1742 | Int_t id,copy; | |
1743 | TLorentzVector pos; | |
1744 | Float_t hits[4]; | |
1745 | Int_t vol[2]; | |
4b0fdcad | 1746 | |
1747 | vol[1]=0; | |
1748 | vol[0]=0; | |
1749 | ||
1750 | // | |
1751 | ||
73042f01 | 1752 | gMC->SetMaxStep(kbig); |
4b0fdcad | 1753 | |
1754 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
1755 | ||
1756 | Float_t charge = gMC->TrackCharge(); | |
1757 | ||
1758 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1759 | ||
1760 | ||
1761 | id=gMC->CurrentVolID(copy); | |
1762 | ||
1763 | // Check the sensitive volume | |
1764 | ||
37831078 | 1765 | if (id != fIdSens) return; |
4b0fdcad | 1766 | |
1767 | // | |
1768 | // charged particle is in the sensitive volume | |
1769 | // | |
1770 | ||
1771 | if(gMC->TrackStep() > 0) { | |
1772 | ||
1773 | ||
73042f01 | 1774 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
4b0fdcad | 1775 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1776 | ||
1777 | gMC->TrackPosition(pos); | |
1778 | hits[0]=pos[0]; | |
1779 | hits[1]=pos[1]; | |
1780 | hits[2]=pos[2]; | |
1781 | ||
1782 | // | |
1783 | // check the selected side of the TPC | |
1784 | // | |
1785 | ||
1786 | if(fSide && fSide*hits[2]<=0.) return; | |
1787 | ||
1788 | hits[3]=(Float_t)nel; | |
1789 | ||
1790 | // Add this hit | |
1791 | ||
79575d04 | 1792 | AddHit(gAlice->CurrentTrack(), vol,hits); //MI change |
4b0fdcad | 1793 | |
1794 | } | |
1795 | ||
1796 | // Stemax calculation for the next step | |
1797 | ||
1798 | Float_t pp; | |
1799 | TLorentzVector mom; | |
1800 | gMC->TrackMomentum(mom); | |
1801 | Float_t ptot=mom.Rho(); | |
73042f01 | 1802 | Float_t betaGamma = ptot/gMC->TrackMass(); |
4b0fdcad | 1803 | |
69e40cce | 1804 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1805 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
4b0fdcad | 1806 | { |
73042f01 | 1807 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
4b0fdcad | 1808 | } |
1809 | else | |
1810 | { | |
7b562732 | 1811 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); |
73042f01 | 1812 | pp=kprim*BetheBloch(betaGamma); |
4b0fdcad | 1813 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1814 | } | |
1815 | ||
b9d0a01d | 1816 | Double_t rnd = gMC->GetRandom()->Rndm(); |
4b0fdcad | 1817 | |
1818 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); | |
1819 | ||
1820 | } | |
1821 | ||
1822 | //_____________________________________________________________________________ | |
1823 | Float_t AliTPCv3::BetheBloch(Float_t bg) | |
1824 | { | |
1825 | // | |
1826 | // Bethe-Bloch energy loss formula | |
1827 | // | |
73042f01 | 1828 | const Double_t kp1=0.76176e-1; |
1829 | const Double_t kp2=10.632; | |
1830 | const Double_t kp3=0.13279e-4; | |
1831 | const Double_t kp4=1.8631; | |
1832 | const Double_t kp5=1.9479; | |
4b0fdcad | 1833 | |
1834 | Double_t dbg = (Double_t) bg; | |
1835 | ||
1836 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
1837 | ||
73042f01 | 1838 | Double_t aa = TMath::Power(beta,kp4); |
1839 | Double_t bb = TMath::Power(1./dbg,kp5); | |
4b0fdcad | 1840 | |
73042f01 | 1841 | bb=TMath::Log(kp3+bb); |
4b0fdcad | 1842 | |
73042f01 | 1843 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
4b0fdcad | 1844 | } |