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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 | $Log$ | |
ac4fb434 | 18 | Revision 1.41 2002/05/27 14:33:15 hristov |
19 | The new class AliTrackReference used (M.Ivanov) | |
20 | ||
da33556f | 21 | Revision 1.40 2002/01/21 17:12:00 kowal2 |
22 | New track hits structure using root containers | |
23 | ||
4ed5dced | 24 | Revision 1.39 2001/05/16 14:57:25 alibrary |
25 | New files for folders and Stack | |
26 | ||
9e1a0ddb | 27 | Revision 1.38 2001/05/08 16:03:06 kowal2 |
28 | Geometry update according to the latest technical spec. | |
29 | ||
cea9b4f7 | 30 | Revision 1.37 2001/04/27 15:23:07 kowal2 |
31 | Correct materian in the central part of the inner containment vessel | |
32 | ||
90222263 | 33 | Revision 1.36 2001/04/26 06:15:12 kowal2 |
34 | Corrected bug in the inner containment vessel (cones) | |
35 | ||
f4900c61 | 36 | Revision 1.35 2001/04/24 11:17:33 kowal2 |
37 | New TPC geometry. | |
38 | ||
79575d04 | 39 | Revision 1.34 2001/04/23 10:20:18 hristov |
40 | Constant casted to avoid ambiguity | |
41 | ||
07521998 | 42 | Revision 1.33 2001/04/20 08:16:47 kowal2 |
43 | Protection against too small betaGamma. Thanks to Ivana and Yves. | |
44 | ||
595bf2c3 | 45 | Revision 1.32 2001/03/13 13:07:34 kowal2 |
46 | Corrected bug in the TPC mother volume geometry. | |
47 | Thanks to A. Morsch | |
48 | ||
7ab50f40 | 49 | Revision 1.31 2000/11/30 11:48:50 kowal2 |
50 | TLorentzVector.h adde to satisfy the latest changes by Federico | |
51 | ||
a383b30d | 52 | Revision 1.30 2000/11/14 10:48:57 kowal2 |
53 | Correct material used for TSA4. Thanks to J. Barbosa. | |
54 | ||
2c668420 | 55 | Revision 1.29 2000/11/06 17:24:10 kowal2 |
56 | Corrected bug in the outer containment vessel and | |
57 | the outer field cage geometry. | |
58 | Thanks to J. Barbosa. | |
59 | ||
720b23b8 | 60 | Revision 1.28 2000/11/02 16:55:24 kowal2 |
61 | Corrected bug in the inner containment vessel geometry. | |
62 | Thanks to J. Belikov | |
63 | ||
08db548a | 64 | Revision 1.27 2000/11/02 07:24:11 kowal2 |
65 | Correction in the TPC geometry. | |
66 | Changes due to the new hit structure. | |
67 | ||
6a905708 | 68 | Revision 1.26 2000/10/05 16:16:29 kowal2 |
69 | Corrections of the hit recording algorithm. | |
70 | ||
d4c354b9 | 71 | Revision 1.25 2000/10/02 21:28:18 fca |
72 | Removal of useless dependecies via forward declarations | |
73 | ||
94de3818 | 74 | Revision 1.24 2000/08/28 10:02:30 kowal2 |
75 | Corrected bug in the StepManager | |
76 | ||
930ee558 | 77 | Revision 1.23 2000/07/10 20:57:39 hristov |
78 | Update of TPC code and macros by M.Kowalski | |
79 | ||
37831078 | 80 | Revision 1.22 2000/06/30 12:07:50 kowal2 |
81 | Updated from the TPC-PreRelease branch | |
82 | ||
73042f01 | 83 | Revision 1.21.2.4 2000/06/26 07:39:42 kowal2 |
84 | Changes to obey the coding rules | |
85 | ||
86 | Revision 1.21.2.3 2000/06/25 08:38:41 kowal2 | |
87 | Splitted from AliTPCtracking | |
88 | ||
89 | Revision 1.21.2.2 2000/06/16 12:58:13 kowal2 | |
90 | Changed parameter settings | |
91 | ||
92 | Revision 1.21.2.1 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 1.21 2000/05/15 10:00:30 kowal2 | |
98 | Corrected bug in the TPC geometry, thanks to Ivana Hrivnacova | |
99 | ||
e94dd9ca | 100 | Revision 1.20 2000/04/17 09:37:33 kowal2 |
101 | removed obsolete AliTPCDigitsDisplay.C | |
102 | ||
cc80f89e | 103 | Revision 1.19.8.2 2000/04/10 08:31:52 kowal2 |
104 | ||
105 | Different geometry for different sectors | |
106 | Updated readout chambers | |
107 | Some modifications to StepManager by J.Belikov | |
108 | ||
109 | Revision 1.19.8.1 2000/04/10 07:56:53 kowal2 | |
110 | Not used anymore - removed | |
111 | ||
112 | Revision 1.19 1999/11/04 17:28:07 fca | |
113 | Correct barrel part of HV Degrader | |
114 | ||
a5371c42 | 115 | Revision 1.18 1999/10/14 16:52:08 fca |
116 | Only use PDG codes and not GEANT ones | |
117 | ||
69e40cce | 118 | Revision 1.17 1999/10/08 06:27:23 fca |
119 | Corrected bug in the HV degrader geometry, thanks to G.Tabary | |
120 | ||
d183a600 | 121 | Revision 1.16 1999/10/04 13:39:54 fca |
122 | Correct array index problem | |
123 | ||
cdde5b1e | 124 | Revision 1.15 1999/09/29 09:24:34 fca |
125 | Introduction of the Copyright and cvs Log | |
126 | ||
4c039060 | 127 | */ |
128 | ||
73042f01 | 129 | // |
fe4da5cc | 130 | /////////////////////////////////////////////////////////////////////////////// |
131 | // // | |
132 | // Time Projection Chamber version 2 -- detailed TPC and slow simulation // | |
133 | // // | |
134 | //Begin_Html | |
135 | /* | |
1439f98e | 136 | <img src="picts/AliTPCv2Class.gif"> |
fe4da5cc | 137 | */ |
138 | //End_Html | |
139 | // // | |
140 | // // | |
141 | /////////////////////////////////////////////////////////////////////////////// | |
2a49965d | 142 | #include <stdlib.h> |
fe4da5cc | 143 | |
144 | #include <TMath.h> | |
bcac8ae4 | 145 | |
fe4da5cc | 146 | #include "AliTPCv2.h" |
cc80f89e | 147 | #include "AliTPCDigitsArray.h" |
fe4da5cc | 148 | #include "AliRun.h" |
94de3818 | 149 | #include "AliMC.h" |
fe4da5cc | 150 | #include "AliConst.h" |
69e40cce | 151 | #include "AliPDG.h" |
73042f01 | 152 | #include "AliTPCParam.h" |
153 | #include "AliTPCParamSR.h" | |
4ed5dced | 154 | #include "AliTPCTrackHitsV2.h" |
a383b30d | 155 | #include "TLorentzVector.h" |
6a905708 | 156 | |
8c555625 | 157 | |
fe4da5cc | 158 | ClassImp(AliTPCv2) |
159 | ||
160 | //_____________________________________________________________________________ | |
161 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
162 | AliTPC(name, title) | |
163 | { | |
164 | // | |
165 | // Standard constructor for Time Projection Chamber version 2 | |
166 | // | |
37831078 | 167 | fIdSens=0; |
168 | fIdLSec=0; | |
169 | fIdUSec=0; | |
170 | ||
fe4da5cc | 171 | SetBufferSize(128000); |
73042f01 | 172 | |
173 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); // Ne-CO2 90-10 | |
174 | ||
175 | // Default sectors | |
176 | ||
177 | SetSecAL(4); | |
178 | SetSecAU(4); | |
179 | SetSecLows(1, 2, 3, 19, 20, 21); | |
180 | SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1); | |
37831078 | 181 | SetSens(1); // sensitive strips set |
73042f01 | 182 | |
183 | if (fTPCParam) | |
184 | fTPCParam->Write(fTPCParam->GetTitle()); | |
fe4da5cc | 185 | } |
186 | ||
187 | //_____________________________________________________________________________ | |
188 | void AliTPCv2::CreateGeometry() | |
189 | { | |
190 | // | |
191 | // Create the geometry of Time Projection Chamber version 2 | |
192 | // | |
193 | //Begin_Html | |
194 | /* | |
37831078 | 195 | <img src="picts/AliTPC.gif"> |
fe4da5cc | 196 | */ |
197 | //End_Html | |
198 | //Begin_Html | |
199 | /* | |
1439f98e | 200 | <img src="picts/AliTPCv2Tree.gif"> |
fe4da5cc | 201 | */ |
202 | //End_Html | |
203 | ||
8c555625 | 204 | |
1283eee5 | 205 | Int_t *idtmed = fIdtmed->GetArray(); |
206 | ||
37831078 | 207 | Float_t dm[50]; |
62a73ee5 | 208 | Int_t idrotm[120]; |
1283eee5 | 209 | |
210 | Int_t nRotMat = 0; | |
211 | ||
d4c354b9 | 212 | Int_t i,ifl1=0; |
1283eee5 | 213 | |
37831078 | 214 | // number of sectors |
215 | ||
1283eee5 | 216 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; |
217 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
fe4da5cc | 218 | |
219 | // --------------------------------------------------- | |
220 | // sector specification check | |
221 | // --------------------------------------------------- | |
222 | if (fSecAL >= 0) { | |
223 | ifl1 = 0; | |
224 | ||
225 | for (i = 0; i < 6; ++i) { | |
1283eee5 | 226 | if (fSecLows[i] >= 0 && fSecLows[i] < 2*nInnerSector) { |
fe4da5cc | 227 | ifl1 = 1; |
9e1a0ddb | 228 | printf("%s: *** SECTOR %d selected\n",ClassName(),fSecLows[i]); |
fe4da5cc | 229 | } |
230 | } | |
231 | ||
232 | } else { | |
9e1a0ddb | 233 | printf("%s: *** ALL LOWER SECTORS SELECTED ***\n",ClassName()); |
8c555625 | 234 | ifl1 = 1; |
fe4da5cc | 235 | } |
236 | ||
d4c354b9 | 237 | if (ifl1 == 0) { |
9e1a0ddb | 238 | printf("%s: *** ERROR: AT LEAST ONE LOWER SECTOR MUST BE SPECIFIED ***\n",ClassName()); |
239 | printf("%s: !!! PROGRAM STOPPED !!!\n",ClassName()); | |
d4c354b9 | 240 | exit(1); |
241 | } | |
242 | ||
fe4da5cc | 243 | if (fSecAU >= 0) { |
fe4da5cc | 244 | |
245 | for (i = 0; i < 12; ++i) { | |
1283eee5 | 246 | if (fSecUps[i] > 2*nInnerSector-1 && |
247 | fSecUps[i] < 2*(nInnerSector+nOuterSector)) { | |
9e1a0ddb | 248 | printf("%s: *** SECTOR %d selected\n",ClassName(),fSecUps[i]); |
fe4da5cc | 249 | } |
250 | } | |
251 | ||
252 | } else { | |
9e1a0ddb | 253 | printf("%s: *** ALL UPPER SECTORS SELECTED ***\n",ClassName()); |
fe4da5cc | 254 | } |
255 | ||
d4c354b9 | 256 | |
37831078 | 257 | |
258 | //-------------------------------------------------------------------- | |
259 | ||
260 | // | |
79575d04 | 261 | // Mother volume TPC (Air) - all volumes will be positioned in it |
37831078 | 262 | // |
79575d04 | 263 | |
37831078 | 264 | dm[0]=0.; |
265 | dm[1]=360.; | |
79575d04 | 266 | dm[2]=8.; |
1283eee5 | 267 | |
37831078 | 268 | // |
1283eee5 | 269 | |
79575d04 | 270 | dm[3]=-283.7; |
271 | dm[4]=65.6; | |
272 | dm[5]=278.; | |
1283eee5 | 273 | |
37831078 | 274 | // |
1283eee5 | 275 | |
79575d04 | 276 | dm[6]=-253.6; |
277 | dm[7]=65.6; | |
278 | dm[8]=278.; | |
1283eee5 | 279 | |
37831078 | 280 | // |
1283eee5 | 281 | |
79575d04 | 282 | dm[9]=-73.3; |
283 | dm[10]=60.9; | |
284 | dm[11]=278.; | |
1283eee5 | 285 | |
37831078 | 286 | // |
1283eee5 | 287 | |
79575d04 | 288 | dm[12]=-73.3; |
289 | dm[13]=56.9; | |
290 | dm[14]=278.; | |
1283eee5 | 291 | |
37831078 | 292 | // |
1283eee5 | 293 | |
79575d04 | 294 | dm[15]=73.3; |
295 | dm[16]=56.9; | |
296 | dm[17]=278.; | |
1283eee5 | 297 | |
37831078 | 298 | // |
1283eee5 | 299 | |
79575d04 | 300 | dm[18]=73.3; |
301 | dm[19]=60.9; | |
302 | dm[20]=278.; | |
1283eee5 | 303 | |
37831078 | 304 | // |
1283eee5 | 305 | |
79575d04 | 306 | dm[21]=253.6; |
307 | dm[22]=65.6; | |
308 | dm[23]=278.; | |
1283eee5 | 309 | |
37831078 | 310 | // |
1283eee5 | 311 | |
79575d04 | 312 | dm[24]=283.7; |
313 | dm[25]=65.6; | |
314 | dm[26]=278.; | |
315 | ||
316 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 317 | |
79575d04 | 318 | // outer part |
1283eee5 | 319 | |
37831078 | 320 | //------------------------------------------------------------------- |
79575d04 | 321 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 322 | //------------------------------------------------------------------- |
1283eee5 | 323 | |
37831078 | 324 | dm[0]= 0.; |
325 | dm[1]= 360.; | |
326 | dm[2]= 6.; | |
1283eee5 | 327 | |
37831078 | 328 | // |
1283eee5 | 329 | |
79575d04 | 330 | dm[3]=-253.6; |
331 | dm[4]=258.; | |
332 | dm[5]=275.5; | |
1283eee5 | 333 | |
37831078 | 334 | // |
1283eee5 | 335 | |
79575d04 | 336 | dm[6]=-250.6; |
337 | dm[7]=258.; | |
338 | dm[8]=275.5; | |
1283eee5 | 339 | |
37831078 | 340 | // |
cc80f89e | 341 | |
79575d04 | 342 | dm[9]=-250.6; |
343 | dm[10]=258.; | |
344 | dm[11]=278.; | |
1283eee5 | 345 | |
79575d04 | 346 | // |
1283eee5 | 347 | |
79575d04 | 348 | dm[12]=253.6; |
349 | dm[13]=258.; | |
350 | dm[14]=278.; | |
1283eee5 | 351 | |
37831078 | 352 | // |
1283eee5 | 353 | |
79575d04 | 354 | dm[15]=253.6; |
355 | dm[16]=264.8; | |
356 | dm[17]=278.; | |
1283eee5 | 357 | |
37831078 | 358 | // |
1283eee5 | 359 | |
79575d04 | 360 | dm[18]=256.6; |
361 | dm[19]=264.8; | |
362 | dm[20]=278.; | |
1283eee5 | 363 | |
79575d04 | 364 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 365 | |
37831078 | 366 | //---------------------------------------------------------------- |
367 | // Tpc Outer Contaiment Vessel | |
368 | // mother volume - Al, daughters - composite (sandwich) | |
369 | //---------------------------------------------------------------- | |
79575d04 | 370 | |
371 | dm[0]=0.; | |
372 | dm[1]=360.; | |
720b23b8 | 373 | dm[2]=6.; |
1283eee5 | 374 | |
37831078 | 375 | // |
cc80f89e | 376 | |
79575d04 | 377 | dm[3]=-250.6; |
378 | dm[4]=270.4; | |
379 | dm[5]=278.; | |
1283eee5 | 380 | |
37831078 | 381 | // |
1283eee5 | 382 | |
79575d04 | 383 | dm[6]=-247.6; |
384 | dm[7]=270.4; | |
385 | dm[8]=278.; | |
1283eee5 | 386 | |
37831078 | 387 | // |
79575d04 | 388 | |
389 | dm[9]=-247.6; | |
cea9b4f7 | 390 | dm[10]=274.8124; |
79575d04 | 391 | dm[11]=278.; |
392 | ||
37831078 | 393 | // |
1283eee5 | 394 | |
79575d04 | 395 | dm[12]=253.6; |
cea9b4f7 | 396 | dm[13]=274.8124; |
79575d04 | 397 | dm[14]=278.; |
1283eee5 | 398 | |
720b23b8 | 399 | // |
1283eee5 | 400 | |
79575d04 | 401 | dm[15]=253.6; |
402 | dm[16]=264.8; | |
403 | dm[17]=278.; | |
1283eee5 | 404 | |
79575d04 | 405 | // |
720b23b8 | 406 | |
79575d04 | 407 | dm[18]=256.6; |
408 | dm[19]=264.8; | |
409 | dm[20]=278.; | |
720b23b8 | 410 | |
411 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 412 | |
79575d04 | 413 | // Daughter volumes - sandwich |
1283eee5 | 414 | |
37831078 | 415 | // Tpc SAndwich 1 - Al |
79575d04 | 416 | |
cea9b4f7 | 417 | dm[0]=274.8124; |
79575d04 | 418 | dm[1]=278.; |
419 | dm[2]=252.1; | |
1283eee5 | 420 | |
37831078 | 421 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 422 | |
79575d04 | 423 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 424 | |
37831078 | 425 | dm[0] += 5.e-3; |
426 | dm[1] -= 5.e-3; | |
79575d04 | 427 | |
428 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
429 | ||
430 | // Tpc SAndwich 3 - Tedlar | |
431 | ||
432 | dm[0] += 0.01; | |
433 | dm[1] -= 0.01; | |
37831078 | 434 | |
79575d04 | 435 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
1283eee5 | 436 | |
8c555625 | 437 | |
79575d04 | 438 | // Tpc SAndwich 4 - fiber glass (G10) |
8c555625 | 439 | |
cea9b4f7 | 440 | dm[0] += 3.8e-3; |
441 | dm[1] -= 3.8e-3; | |
8c555625 | 442 | |
79575d04 | 443 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
1283eee5 | 444 | |
79575d04 | 445 | // Tpc SAndwich 5 - NOMEX honeycomb |
1283eee5 | 446 | |
79575d04 | 447 | dm[0] += 0.075; |
448 | dm[1] -= 0.075; | |
37831078 | 449 | |
79575d04 | 450 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
451 | ||
452 | // 5->4->3->2->1->TCOV | |
8c555625 | 453 | |
79575d04 | 454 | |
455 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); | |
37831078 | 456 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
457 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 458 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 459 | |
79575d04 | 460 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
fe4da5cc | 461 | |
37831078 | 462 | // TCOV-> TOIN |
fe4da5cc | 463 | |
37831078 | 464 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 465 | |
37831078 | 466 | //------------------------------------------------------- |
467 | // Tpc Outer Field Cage | |
468 | // mother volume - Al, daughters - composite (sandwich) | |
469 | //------------------------------------------------------- | |
1283eee5 | 470 | |
37831078 | 471 | dm[0]=0.; |
472 | dm[1]=360.; | |
473 | dm[2]=6.; | |
1283eee5 | 474 | |
79575d04 | 475 | // |
476 | ||
477 | dm[3]=-253.6; | |
478 | dm[4]=258.; | |
479 | dm[5]=275.5; | |
1283eee5 | 480 | |
37831078 | 481 | // |
1283eee5 | 482 | |
79575d04 | 483 | dm[6]=-250.6; |
484 | dm[7]=258.; | |
485 | dm[8]=275.5; | |
1283eee5 | 486 | |
37831078 | 487 | // |
79575d04 | 488 | |
489 | dm[9]=-250.6; | |
490 | dm[10]=258.; | |
cea9b4f7 | 491 | dm[11]=260.0476; |
1283eee5 | 492 | |
37831078 | 493 | // |
1283eee5 | 494 | |
79575d04 | 495 | dm[12]=250.6; |
496 | dm[13]=258.; | |
cea9b4f7 | 497 | dm[14]=260.0476; |
1283eee5 | 498 | |
37831078 | 499 | // |
1283eee5 | 500 | |
79575d04 | 501 | dm[15]=250.6; |
502 | dm[16]=258.; | |
503 | dm[17]=275.5; | |
1283eee5 | 504 | |
37831078 | 505 | // |
1283eee5 | 506 | |
79575d04 | 507 | dm[18]=253.6; |
508 | dm[19]=258.; | |
509 | dm[20]=275.5; | |
1283eee5 | 510 | |
79575d04 | 511 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
1283eee5 | 512 | |
37831078 | 513 | // Daughter volumes |
1283eee5 | 514 | |
79575d04 | 515 | // Tpc SAndwich 6 - Tedlar |
1283eee5 | 516 | |
37831078 | 517 | dm[0]= 258.; |
cea9b4f7 | 518 | dm[1]= 260.0476; |
79575d04 | 519 | dm[2]= 252.1; |
1283eee5 | 520 | |
79575d04 | 521 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
1283eee5 | 522 | |
79575d04 | 523 | // Tpc SAndwich 7 - fiber glass |
1283eee5 | 524 | |
cea9b4f7 | 525 | dm[0] += 3.8e-3; |
526 | dm[1] -= 3.8e-3; | |
1283eee5 | 527 | |
79575d04 | 528 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 529 | |
1283eee5 | 530 | |
37831078 | 531 | // Tpc SAndwich 8 - NOMEX |
1283eee5 | 532 | |
37831078 | 533 | dm[0] += 0.02; |
534 | dm[1] -= 0.02; | |
1283eee5 | 535 | |
79575d04 | 536 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
1283eee5 | 537 | |
79575d04 | 538 | // 8->7->6->TOFC |
1283eee5 | 539 | |
79575d04 | 540 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
541 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
542 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
fe4da5cc | 543 | |
37831078 | 544 | // TOFC->TOIN |
fe4da5cc | 545 | |
79575d04 | 546 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 547 | |
37831078 | 548 | // TOIN->TPC |
1283eee5 | 549 | |
37831078 | 550 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 551 | |
79575d04 | 552 | // inner part |
1283eee5 | 553 | |
79575d04 | 554 | //-------------------------------------------------------------------- |
555 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
556 | // Inner containment vessel will be placed directly in the TPC | |
557 | //-------------------------------------------------------------------- | |
1283eee5 | 558 | |
37831078 | 559 | dm[0]=0.; |
79575d04 | 560 | dm[1]=360.; |
561 | dm[2]=4.; | |
1283eee5 | 562 | |
79575d04 | 563 | // |
1283eee5 | 564 | |
79575d04 | 565 | dm[3]=-253.6; |
566 | dm[4]=65.9; | |
567 | dm[5]=79.2; | |
1283eee5 | 568 | |
37831078 | 569 | // |
1283eee5 | 570 | |
79575d04 | 571 | dm[6]=-73.3; |
572 | dm[7]=61.2; | |
573 | dm[8]=79.2; | |
1283eee5 | 574 | |
37831078 | 575 | // |
1283eee5 | 576 | |
79575d04 | 577 | dm[9]=73.3; |
578 | dm[10]=61.2; | |
579 | dm[11]=79.2; | |
1283eee5 | 580 | |
37831078 | 581 | // |
1283eee5 | 582 | |
79575d04 | 583 | dm[12]=253.6; |
584 | dm[13]=65.9; | |
585 | dm[14]=79.2; | |
1283eee5 | 586 | |
79575d04 | 587 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 588 | |
79575d04 | 589 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 590 | |
79575d04 | 591 | dm[0]=79.16; |
592 | dm[1]=79.2; | |
593 | dm[2]=88.; | |
1283eee5 | 594 | |
79575d04 | 595 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 596 | |
79575d04 | 597 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 598 | |
79575d04 | 599 | //----------------------------------------------------- |
600 | // Tpc Inner Field Cage | |
601 | // mother volume - Al, daughters - composite (sandwich) | |
602 | //------------------------------------------------------ | |
1283eee5 | 603 | |
79575d04 | 604 | dm[0]=0.; |
605 | dm[1]=360.; | |
606 | dm[2]=10.; | |
1283eee5 | 607 | |
37831078 | 608 | // |
1283eee5 | 609 | |
79575d04 | 610 | dm[3]=-253.6; |
611 | dm[4]=70.3; | |
612 | dm[5]=79.2; | |
1283eee5 | 613 | |
37831078 | 614 | // |
1283eee5 | 615 | |
79575d04 | 616 | dm[6]=-250.6; |
617 | dm[7]=70.3; | |
618 | dm[8]=79.2; | |
1283eee5 | 619 | |
37831078 | 620 | // |
1283eee5 | 621 | |
79575d04 | 622 | dm[9]=-250.6; |
cea9b4f7 | 623 | dm[10]=77.0524; |
79575d04 | 624 | dm[11]=79.2; |
37831078 | 625 | |
626 | // | |
627 | ||
79575d04 | 628 | dm[12]=-88.; |
cea9b4f7 | 629 | dm[13]=77.0524; |
79575d04 | 630 | dm[14]=79.2; |
1283eee5 | 631 | |
37831078 | 632 | // |
1283eee5 | 633 | |
79575d04 | 634 | dm[15]=-88.; |
cea9b4f7 | 635 | dm[16]=77.0924; |
79575d04 | 636 | dm[17]=79.16; |
1283eee5 | 637 | |
638 | // | |
37831078 | 639 | |
79575d04 | 640 | dm[18]=88.; |
cea9b4f7 | 641 | dm[19]=77.0924; |
79575d04 | 642 | dm[20]=79.16; |
37831078 | 643 | |
1283eee5 | 644 | // |
645 | ||
79575d04 | 646 | dm[21]=88.; |
cea9b4f7 | 647 | dm[22]=77.0524; |
79575d04 | 648 | dm[23]=79.2; |
1283eee5 | 649 | |
37831078 | 650 | // |
1283eee5 | 651 | |
79575d04 | 652 | dm[24]=250.6; |
cea9b4f7 | 653 | dm[25]=77.0524; |
79575d04 | 654 | dm[26]=79.2; |
1283eee5 | 655 | |
37831078 | 656 | // |
1283eee5 | 657 | |
79575d04 | 658 | dm[27]=250.6; |
659 | dm[28]=70.3; | |
660 | dm[29]=79.2; | |
1283eee5 | 661 | |
37831078 | 662 | // |
1283eee5 | 663 | |
79575d04 | 664 | dm[30]=253.6; |
665 | dm[31]=70.3; | |
666 | dm[32]=79.2; | |
1283eee5 | 667 | |
79575d04 | 668 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 669 | |
79575d04 | 670 | // daughter volumes - central part |
1283eee5 | 671 | |
79575d04 | 672 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 673 | |
cea9b4f7 | 674 | dm[0]=77.0924; |
79575d04 | 675 | dm[1]=79.16; |
676 | dm[2]=88.; | |
1283eee5 | 677 | |
79575d04 | 678 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 679 | |
79575d04 | 680 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 681 | |
cea9b4f7 | 682 | dm[0] += 3.8e-3; |
683 | dm[1] -= 3.8e-3; | |
1283eee5 | 684 | |
79575d04 | 685 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 686 | |
79575d04 | 687 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 688 | |
79575d04 | 689 | dm[0] += 0.03; |
690 | dm[1] -= 0.03; | |
1283eee5 | 691 | |
79575d04 | 692 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 693 | |
79575d04 | 694 | // 11->10->9->TIFC |
1283eee5 | 695 | |
79575d04 | 696 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
697 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 698 | |
79575d04 | 699 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 700 | |
79575d04 | 701 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 702 | |
79575d04 | 703 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 704 | |
cea9b4f7 | 705 | dm[0]=77.0524; |
79575d04 | 706 | dm[1]=79.2; |
707 | dm[2]=82.05; | |
1283eee5 | 708 | |
79575d04 | 709 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 710 | |
79575d04 | 711 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 712 | |
cea9b4f7 | 713 | dm[0] += 3.8e-3; |
714 | dm[1] -= 3.8e-3; | |
1283eee5 | 715 | |
79575d04 | 716 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 717 | |
79575d04 | 718 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 719 | |
79575d04 | 720 | dm[0] += 0.07; |
721 | dm[1] -= 0.07; | |
1283eee5 | 722 | |
79575d04 | 723 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 724 | |
79575d04 | 725 | // 14->13->12->TIFC |
1283eee5 | 726 | |
79575d04 | 727 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
728 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 729 | |
79575d04 | 730 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
731 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 732 | |
79575d04 | 733 | // place this inside the inner insulator |
1283eee5 | 734 | |
79575d04 | 735 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 736 | |
79575d04 | 737 | // and now in the TPC... |
1283eee5 | 738 | |
79575d04 | 739 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 740 | |
79575d04 | 741 | //--------------------------------------------------------- |
742 | // Tpc Inner Containment vessel - Cones | |
743 | //--------------------------------------------------------- | |
1283eee5 | 744 | |
79575d04 | 745 | dm[0]=0.; |
746 | dm[1]=360.; | |
37831078 | 747 | dm[2]=8.; |
1283eee5 | 748 | |
37831078 | 749 | // |
1283eee5 | 750 | |
79575d04 | 751 | dm[3]=71.8; |
752 | dm[4]=56.9; | |
753 | dm[5]=59.4; | |
1283eee5 | 754 | |
37831078 | 755 | // |
1283eee5 | 756 | |
79575d04 | 757 | dm[6]=73.; |
758 | dm[7]=56.9; | |
759 | dm[8]=59.4; | |
1283eee5 | 760 | |
37831078 | 761 | // |
1283eee5 | 762 | |
79575d04 | 763 | dm[9]=73.; |
764 | dm[10]=56.9; | |
765 | dm[11]=61.2; | |
1283eee5 | 766 | |
37831078 | 767 | // |
1283eee5 | 768 | |
79575d04 | 769 | dm[12]=73.3; |
770 | dm[13]=56.9; | |
771 | dm[14]=61.2; | |
1283eee5 | 772 | |
37831078 | 773 | // |
79575d04 | 774 | |
775 | dm[15]=73.3; | |
776 | dm[16]=60.9; | |
777 | dm[17]=61.2; | |
1283eee5 | 778 | |
79575d04 | 779 | // |
1283eee5 | 780 | |
79575d04 | 781 | dm[18]=253.6; |
782 | dm[19]=65.6; | |
783 | dm[20]=65.9; | |
1283eee5 | 784 | |
37831078 | 785 | // |
1283eee5 | 786 | |
79575d04 | 787 | dm[21]=253.6; |
788 | dm[22]=65.6; | |
f4900c61 | 789 | dm[23]=74.6; |
1283eee5 | 790 | |
37831078 | 791 | // |
1283eee5 | 792 | |
f4900c61 | 793 | dm[24]=256.6; |
79575d04 | 794 | dm[25]=65.6; |
f4900c61 | 795 | dm[26]=74.6; |
1283eee5 | 796 | |
79575d04 | 797 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
1283eee5 | 798 | |
79575d04 | 799 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
1283eee5 | 800 | |
79575d04 | 801 | // reflection matrix |
802 | ||
803 | theta1 = 90.; | |
804 | phi1 = 0.; | |
805 | theta2 = 90.; | |
806 | phi2 = 270.; | |
807 | theta3 = 180.; | |
808 | phi3 = 0.; | |
1283eee5 | 809 | |
79575d04 | 810 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
1283eee5 | 811 | |
79575d04 | 812 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
813 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
1283eee5 | 814 | |
1283eee5 | 815 | |
79575d04 | 816 | //--------------------------------------------------------- |
817 | // Tpc Inner Containment vessel - Middle part -Al | |
818 | //--------------------------------------------------------- | |
1283eee5 | 819 | |
79575d04 | 820 | dm[0]=0.; |
821 | dm[1]=360.; | |
822 | dm[2]=6.; | |
1283eee5 | 823 | |
37831078 | 824 | // |
1283eee5 | 825 | |
79575d04 | 826 | dm[3]=-71.6; |
827 | dm[4]=60.2; | |
828 | dm[5]=61.2; | |
1283eee5 | 829 | |
37831078 | 830 | // |
1283eee5 | 831 | |
79575d04 | 832 | dm[6]=-69.1; |
833 | dm[7]=60.2; | |
834 | dm[8]=61.2; | |
1283eee5 | 835 | |
37831078 | 836 | // |
1283eee5 | 837 | |
79575d04 | 838 | dm[9]=-69.1; |
cea9b4f7 | 839 | dm[10]=60.6224; |
79575d04 | 840 | dm[11]=61.2; |
1283eee5 | 841 | |
fe4da5cc | 842 | // |
843 | ||
79575d04 | 844 | dm[12]=69.1; |
cea9b4f7 | 845 | dm[13]=60.6224; |
79575d04 | 846 | dm[14]=61.2; |
fe4da5cc | 847 | |
fe4da5cc | 848 | // |
849 | ||
79575d04 | 850 | dm[15]=69.1; |
851 | dm[16]=60.2; | |
852 | dm[17]=61.2; | |
37831078 | 853 | |
fe4da5cc | 854 | // |
37831078 | 855 | |
79575d04 | 856 | dm[18]=71.6; |
857 | dm[19]=60.2; | |
858 | dm[20]=61.2; | |
37831078 | 859 | |
79575d04 | 860 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
fe4da5cc | 861 | |
79575d04 | 862 | // Tpc Sandwich 15 - Al |
37831078 | 863 | |
cea9b4f7 | 864 | dm[0]=60.6224; |
79575d04 | 865 | dm[1]=61.2; |
866 | dm[2]=70.1; | |
37831078 | 867 | |
79575d04 | 868 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
fe4da5cc | 869 | |
79575d04 | 870 | // Tpc Sandwich 16 - epoxy glue |
fe4da5cc | 871 | |
79575d04 | 872 | dm[0] += 5.e-3; |
873 | dm[1] -= 5.e-3; | |
fe4da5cc | 874 | |
79575d04 | 875 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
fe4da5cc | 876 | |
6a905708 | 877 | // Tpc Sandwich 17 - Tedlar |
37831078 | 878 | |
79575d04 | 879 | dm[0] += 0.01; |
880 | dm[1] -= 0.01; | |
37831078 | 881 | |
6a905708 | 882 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 883 | |
cea9b4f7 | 884 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 885 | |
cea9b4f7 | 886 | dm[0] += 3.8e-3; |
887 | dm[1] -= 3.8e-3; | |
37831078 | 888 | |
cea9b4f7 | 889 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 890 | |
79575d04 | 891 | // Tpc Sandwich 19 - Nomex |
37831078 | 892 | |
cea9b4f7 | 893 | dm[0] += 0.02; |
894 | dm[1] -= 0.02; | |
37831078 | 895 | |
90222263 | 896 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 897 | |
79575d04 | 898 | // 19->18->17->16->15-> TICM |
37831078 | 899 | |
79575d04 | 900 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 901 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 902 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
903 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 904 | |
79575d04 | 905 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
906 | ||
37831078 | 907 | |
79575d04 | 908 | // TPc inner cont. vessel Joints |
37831078 | 909 | |
79575d04 | 910 | dm[0]=60.2; |
911 | dm[1]=61.2; | |
912 | dm[2]=0.5; | |
37831078 | 913 | |
79575d04 | 914 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 915 | |
79575d04 | 916 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
917 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 918 | |
79575d04 | 919 | // |
37831078 | 920 | |
79575d04 | 921 | dm[0]=0.; |
922 | dm[1]=360.; | |
923 | dm[2]=4.; | |
37831078 | 924 | |
79575d04 | 925 | // |
37831078 | 926 | |
79575d04 | 927 | dm[3]=70.8; |
928 | dm[4]=58.4; | |
929 | dm[5]=60.1; | |
37831078 | 930 | |
79575d04 | 931 | // |
37831078 | 932 | |
79575d04 | 933 | dm[6]=71.2; |
934 | dm[7]=58.4; | |
935 | dm[8]=60.1; | |
37831078 | 936 | |
79575d04 | 937 | // |
37831078 | 938 | |
79575d04 | 939 | dm[9]=71.2; |
940 | dm[10]=58.4; | |
941 | dm[11]=59.4; | |
37831078 | 942 | |
79575d04 | 943 | // |
37831078 | 944 | |
79575d04 | 945 | dm[12]=71.6; |
946 | dm[13]=58.4; | |
947 | dm[14]=59.4; | |
37831078 | 948 | |
79575d04 | 949 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 950 | |
79575d04 | 951 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
952 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 953 | |
37831078 | 954 | |
37831078 | 955 | |
79575d04 | 956 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 957 | |
79575d04 | 958 | dm[0]=58.4; |
959 | dm[1]=61.2; | |
960 | dm[2]=0.1; | |
37831078 | 961 | |
79575d04 | 962 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 963 | |
79575d04 | 964 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
965 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 966 | |
79575d04 | 967 | // TICM -> TPC |
37831078 | 968 | |
79575d04 | 969 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 970 | |
79575d04 | 971 | // |
37831078 | 972 | |
79575d04 | 973 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 974 | |
975 | //--------------------------------------------------------- | |
976 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
977 | // and its daughters (HV membrane, rods, readout chambers) | |
978 | //--------------------------------------------------------- | |
979 | ||
980 | dm[0]= 79.2; | |
981 | dm[1]= 258.0; | |
982 | dm[2]= 253.6; | |
983 | ||
79575d04 | 984 | gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3); |
37831078 | 985 | |
79575d04 | 986 | // sector opening angles |
37831078 | 987 | |
988 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
989 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
990 | ||
991 | // sector angle shift | |
992 | ||
993 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
994 | ||
79575d04 | 995 | |
37831078 | 996 | // All above parameters are identical for inner and outer |
997 | // sectors. The distinction is kept for the historical reasons | |
998 | // and eventually will disappear. | |
999 | ||
1000 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
1001 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
1002 | Float_t space; | |
1003 | ||
1004 | //------------------------------------------------------------------------- | |
1005 | // Tpc Inner Readout Chambers | |
1006 | //------------------------------------------------------------------------- | |
1007 | ||
1008 | dm[0]= 14.483; | |
1009 | dm[1]= 23.3345; | |
1010 | dm[2]= 1.6; // thickness | |
1011 | dm[3]= 25.1; | |
1012 | ||
1013 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
1014 | ||
1015 | // this volume will be positioned in the empty space | |
1016 | // of the end-cap to avoid overlaps | |
1017 | ||
1018 | dm[0]= 13.7305; | |
1019 | dm[1]= 21.1895; | |
1020 | dm[2]= 2.25; | |
1021 | dm[3]= 21.15; | |
1022 | ||
1023 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
1024 | ||
79575d04 | 1025 | |
37831078 | 1026 | //------------------------------------------------ |
1027 | // Tpc Inner readout chamber Pad Plane | |
1028 | //------------------------------------------------ | |
1029 | ||
1030 | dm[0]= 14.483; | |
1031 | dm[1]= 23.3345; | |
1032 | dm[2]= 0.5; | |
1033 | dm[3]= 25.1; | |
1034 | ||
1035 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
1036 | ||
1037 | // | |
1038 | ||
1039 | dm[0] -= 1.218511934; | |
1040 | dm[1] -= 1.218511934; | |
1041 | dm[2] = 0.35; | |
1042 | ||
1043 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); | |
1044 | ||
1045 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
1046 | ||
1047 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
1048 | ||
79575d04 | 1049 | |
37831078 | 1050 | //---------------------------------------------- |
1051 | // Tpc Readout Chambers Empty spaces - for both | |
1052 | // inner and outer sectors | |
1053 | //---------------------------------------------- | |
1054 | ||
1055 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
1056 | ||
1057 | // Inner sector - 4 spaces | |
1058 | ||
1059 | ||
1060 | dm[3] = 4.7625; | |
1061 | dm[0] = 12.472; | |
1062 | ||
1063 | Float_t rr = 90.52; | |
1064 | Float_t zz; | |
1065 | ||
1066 | zz= -12.7875; | |
1067 | ||
1068 | space = rr*tanAlpha-dm[0]; | |
1069 | ||
1070 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
1071 | ||
1072 | rr += 9.525; | |
1073 | dm[1]= rr*tanAlpha - space; | |
1074 | ||
1075 | dm[2]=0.8; | |
1076 | ||
1077 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
1078 | ||
1079 | // | |
1080 | ||
79575d04 | 1081 | dm[2] = 1.2; |
37831078 | 1082 | |
1083 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
1084 | ||
1085 | rr += 0.4; | |
1086 | dm[0] = rr*tanAlpha - space; | |
1087 | zz += (0.4+9.525); | |
1088 | ||
1089 | } | |
1090 | ||
1091 | dm[0]= 12.472; | |
1092 | // dm[1] - this is the dm[1] from the previous TRCE | |
1093 | dm[2]= 1.05; | |
1094 | dm[3]= 19.65; | |
1095 | ||
79575d04 | 1096 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 1097 | |
1098 | // | |
1099 | // TPc Space for Connectors | |
1100 | // | |
1101 | ||
1102 | dm[0]= .3; | |
1103 | dm[1]= .3; | |
1104 | dm[2]= 4.5; | |
1105 | ||
1106 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
1107 | ||
1108 | // TPC Connectors | |
1109 | ||
1110 | dm[0]= .25; | |
1111 | dm[1]= .15; | |
1112 | dm[2]= 3.75; | |
1113 | ||
1114 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1115 | ||
1116 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1117 | ||
1118 | zz = -12.7875; | |
1119 | ||
79575d04 | 1120 | |
37831078 | 1121 | Float_t alpha; |
1122 | Float_t astep; | |
1123 | ||
37831078 | 1124 | // inner part of the inner sector - 2 x 20 holes |
1125 | ||
1126 | astep = 20.00096874/19.; | |
1127 | ||
1128 | alpha = 10.00048437-astep; | |
1129 | ||
1130 | Float_t x1,x2; | |
1131 | ||
1132 | x1 = 13.31175725; | |
1133 | x1 -= 0.996357832; | |
1134 | ||
1135 | x2 = 15.06180253; | |
1136 | x2 -= 1.163028812; | |
1137 | ||
1138 | Int_t ncon; | |
1139 | ||
1140 | for(ncon=0;ncon<20;ncon++){ | |
1141 | ||
1142 | phi1 = 0.; | |
1143 | theta1 = 90.+alpha; | |
1144 | phi2=90.; | |
1145 | theta2 = 90.; | |
1146 | phi3 = (alpha>0) ? 0. : 180.; | |
1147 | theta3 = TMath::Abs(alpha); | |
1148 | ||
1149 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1150 | ||
1151 | ||
1152 | ||
1153 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1154 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1155 | ||
1156 | ||
1157 | x1 -= 1.296357833; | |
1158 | x2 -= 1.463028812; | |
1159 | ||
1160 | alpha -= astep; | |
1161 | nRotMat++; | |
1162 | ||
1163 | } | |
1164 | ||
1165 | // outer part of the inner sector - 2 x 25 holes | |
1166 | ||
1167 | astep = 20.00096874/24.; | |
1168 | alpha = 10.00048437-astep; | |
1169 | ||
1170 | x1 = 16.81184781; | |
1171 | x1 -= 1.016295986; | |
1172 | ||
1173 | x2 = 18.5618931; | |
1174 | x2 -= 1.150914854; | |
1175 | ||
1176 | for(ncon=0;ncon<25;ncon++){ | |
1177 | ||
1178 | phi1 = 0.; | |
1179 | theta1 = 90.+alpha; | |
1180 | phi2=90.; | |
1181 | theta2 = 90.; | |
1182 | phi3 = (alpha>0) ? 0. : 180.; | |
1183 | theta3 = TMath::Abs(alpha); | |
1184 | ||
1185 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1186 | ||
1187 | ||
1188 | ||
1189 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1190 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1191 | ||
1192 | ||
1193 | x1 -= 1.316295986; | |
1194 | x2 -= 1.450914854; | |
1195 | ||
1196 | alpha -= astep; | |
1197 | nRotMat++; | |
1198 | ||
1199 | } | |
1200 | ||
1201 | //-------------------------------------------------------------------------- | |
1202 | // TPC Outer Readout Chambers | |
1203 | // this is NOT a final design | |
1204 | //-------------------------------------------------------------------------- | |
1205 | ||
1206 | dm[0]= 23.3875; | |
1207 | dm[1]= 43.524; | |
1208 | dm[2]= 1.5; //thickness | |
1209 | dm[3]= 57.1; | |
1210 | ||
1211 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1212 | ||
1213 | //------------------------------------------------ | |
1214 | // Tpc Outer readout chamber Pad Plane | |
1215 | //------------------------------------------------ | |
1216 | ||
1217 | dm[2]= 0.5; | |
1218 | ||
1219 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1220 | ||
1221 | dm[0] -= 1.218511934; | |
1222 | dm[1] -= 1.218511934; | |
1223 | dm[2] = 0.35; | |
1224 | ||
1225 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); | |
1226 | ||
1227 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1228 | ||
1229 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1230 | ||
1231 | // empty space | |
1232 | ||
37831078 | 1233 | dm[0]= 21.035; |
1234 | dm[1]= 38.7205; | |
1235 | dm[2]= 0.7; | |
1236 | dm[3]= 50.15; | |
1237 | ||
1238 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1239 | ||
1240 | dm[0]= 22.2935; | |
1241 | dm[1]= 40.5085; | |
1242 | dm[2]= 2.25; | |
1243 | dm[3]= 51.65; | |
1244 | ||
1245 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1246 | ||
1247 | dm[0]= 21.35; | |
1248 | dm[1]= 38.7205; | |
1249 | dm[2]= 2.25; | |
1250 | dm[3]= 50.15; | |
1251 | ||
79575d04 | 1252 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1253 | |
1254 | //----------------------------------------------- | |
1255 | // Tpc Services Support Wheel | |
1256 | //----------------------------------------------- | |
1257 | ||
1258 | dm[0]=0.; | |
1259 | dm[1]=360.; | |
1260 | dm[2]=18.; | |
1261 | dm[3]=2.; | |
1262 | ||
1263 | dm[4]= -5.; | |
1264 | dm[5]= 77.017; | |
1265 | dm[6]= 255.267; | |
1266 | ||
1267 | dm[7]= 5.; | |
1268 | dm[8]= dm[5]; | |
1269 | dm[9]= dm[6]; | |
1270 | ||
1271 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1272 | ||
1273 | // Tpc Services Wheel Cover | |
1274 | ||
1275 | dm[4]= -0.5; | |
1276 | dm[7]= 0.5; | |
1277 | ||
1278 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1279 | ||
1280 | // Tpc Service wheel Cover Empty space | |
1281 | ||
1282 | dm[0]= 10.99; | |
1283 | dm[1]= 39.599; | |
1284 | dm[2]= .5; | |
1285 | dm[3]= 81.125; | |
1286 | ||
1287 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1288 | ||
1289 | // Tpc services Wheel Empty Spaces | |
1290 | ||
1291 | dm[0]= 13.18017507; | |
1292 | dm[1]= 44.61045938; | |
1293 | dm[2]= 4.; | |
1294 | dm[3]= 89.125; | |
1295 | ||
1296 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1297 | ||
1298 | // Tpc Services Wheel Bars | |
1299 | ||
1300 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1301 | ||
1302 | // bars-> TWES | |
1303 | ||
1304 | dm[2]= 4.; | |
1305 | dm[3]= .4; | |
1306 | ||
1307 | dm[0]= 13.8149522; | |
1308 | dm[1]= 13.95601379; | |
1309 | ||
1310 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1311 | ||
1312 | dm[0]= 43.83462067; | |
1313 | dm[1]= 43.97568225; | |
1314 | ||
1315 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1316 | ||
1317 | // TPc ELectronics - right now 30% X0 Si | |
1318 | ||
1319 | dm[0]= 14.03813696; | |
1320 | dm[1]= 43.3524075; | |
1321 | dm[2]= 1.404; | |
1322 | dm[3]= 83.125; | |
1323 | ||
1324 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1325 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1326 | ||
1327 | //-------------------------------------------------------------------------- | |
1328 | // End caps | |
1329 | //-------------------------------------------------------------------------- | |
1330 | ||
1331 | // TPc Main Wheel - Al | |
1332 | ||
79575d04 | 1333 | dm[0]= 74.9; |
1334 | dm[1]= 264.4; | |
37831078 | 1335 | dm[2]= 3.0; |
1336 | ||
1337 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1338 | ||
37831078 | 1339 | //-------------------------------------------------------------------------- |
1340 | // Tpc Empty Space for the Readout chambers | |
1341 | //-------------------------------------------------------------------------- | |
1342 | ||
1343 | Float_t rLow= 86.2; | |
1344 | Float_t rUp= 243.5; | |
1345 | Float_t dR = 0.5*(rUp-rLow); | |
1346 | ||
79575d04 | 1347 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1348 | |
1349 | dm[0]= rLow*tanAlpha-space; | |
1350 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1351 | dm[2] = 3.0; |
37831078 | 1352 | dm[3]= dR; |
1353 | ||
1354 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1355 | ||
1356 | // TIC1->TESR | |
1357 | ||
37831078 | 1358 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1359 | ||
37831078 | 1360 | // TOC1->TESR |
1361 | ||
1362 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1363 | ||
1364 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1365 | ||
1366 | Float_t zBar; | |
1367 | ||
1368 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1369 | ||
1370 | // lower bar | |
1371 | ||
1372 | dm[0]= rLow*tanAlpha-space; | |
1373 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1374 | dm[2]= 2.25; |
37831078 | 1375 | dm[3]= 1.275; |
1376 | ||
1377 | zBar = -dR+dm[3]; | |
1378 | ||
79575d04 | 1379 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1380 | |
1381 | // middle bar | |
1382 | ||
1383 | dm[0]= 131.65*tanAlpha-space; | |
1384 | dm[1]= 136.5*tanAlpha-space; | |
1385 | dm[3]= 2.425; | |
1386 | ||
1387 | zBar = -dR +131.65+dm[3]-rLow; | |
1388 | ||
79575d04 | 1389 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1390 | |
1391 | // upper bar | |
1392 | ||
1393 | dm[0]= 240.4*tanAlpha-space; | |
1394 | dm[1]= rUp*tanAlpha-space; | |
1395 | dm[3]= 1.55; | |
1396 | ||
1397 | zBar = dR-dm[3]; | |
1398 | ||
79575d04 | 1399 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1400 | |
1401 | //------------------------------------------------------ | |
1402 | // TPc Lower "S" Sectors | |
1403 | //------------------------------------------------------ | |
1404 | ||
1405 | ||
1406 | Float_t inSecLowEdge = fTPCParam->GetInnerRadiusLow(); | |
1407 | Float_t inSecUpEdge = fTPCParam->GetInnerRadiusUp(); | |
1408 | ||
1409 | dm[0] = inSecLowEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
1410 | dm[1] = inSecUpEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
79575d04 | 1411 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1412 | dm[3] = 0.5*(inSecUpEdge-inSecLowEdge); |
1413 | ||
1414 | gMC->Gsvolu("TPLS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1415 | ||
79575d04 | 1416 | |
37831078 | 1417 | //---------------------------------------------------------- |
1418 | // TPc Upper Sectors | |
1419 | //---------------------------------------------------------- | |
1420 | ||
1421 | Float_t ouSecLowEdge = fTPCParam->GetOuterRadiusLow(); | |
1422 | Float_t ouSecUpEdge = fTPCParam->GetOuterRadiusUp(); | |
1423 | ||
1424 | dm[0] = ouSecLowEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
1425 | dm[1] = ouSecUpEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
79575d04 | 1426 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1427 | dm[3] = 0.5*(ouSecUpEdge-ouSecLowEdge); |
1428 | ||
1429 | gMC->Gsvolu("TPUS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1430 | ||
1431 | ||
37831078 | 1432 | |
79575d04 | 1433 | // sensitive strips |
37831078 | 1434 | |
1435 | gMC->Gsvolu("TPSS","TRD1",idtmed[2],dm,0); // sensitive | |
1436 | ||
1437 | Int_t nofStrips,nstr; | |
1438 | Float_t r1,r2,zs; | |
1439 | Float_t stripThick = 0.01; // 100 microns | |
1440 | Float_t deadSpace; | |
1441 | ||
1442 | // inner sector | |
1443 | ||
d4c354b9 | 1444 | |
1445 | // if all lower sectors selected define only 1 strip | |
1446 | ||
1447 | nofStrips=((fSecAL <0)||(fSecAL>=0 && fSens<0)) ? 1 : fTPCParam->GetNRowLow(); | |
37831078 | 1448 | deadSpace = fTPCParam->GetInnerWireMount(); |
1449 | ||
79575d04 | 1450 | dm[2] = 0.5*(250. - 5.e-3); |
1451 | dm[3] = 0.5 * stripThick; | |
d4c354b9 | 1452 | |
37831078 | 1453 | for(nstr=0;nstr<nofStrips;nstr++){ |
1454 | ||
1455 | r1 = fTPCParam->GetPadRowRadiiLow(nstr); | |
1456 | r2 = r1 + stripThick; | |
1457 | dm[0] = r1 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1458 | dm[1] = r2 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1459 | zs = -inSecLowEdge -0.5*(inSecUpEdge-inSecLowEdge); | |
1460 | zs += r1; | |
1461 | zs += dm[3]; | |
1462 | ||
1463 | gMC->Gsposp("TPSS", nstr+1, "TPLS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1464 | ||
37831078 | 1465 | |
1466 | } | |
1467 | ||
d4c354b9 | 1468 | // strips only if several upper sectors selected end fSens > 0 |
1469 | ||
1470 | if(fSecAU >=0 && fSens >0){ | |
1471 | ||
37831078 | 1472 | Int_t nsSave = nofStrips; |
1473 | ||
1474 | // outer sector | |
1475 | ||
1476 | nofStrips = fTPCParam->GetNRowUp(); | |
1477 | deadSpace = fTPCParam->GetOuterWireMount(); | |
1478 | ||
79575d04 | 1479 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1480 | dm[3] = 0.5 * stripThick; |
d4c354b9 | 1481 | |
37831078 | 1482 | |
1483 | for(nstr=0;nstr<nofStrips;nstr++){ | |
1484 | ||
1485 | r1 = fTPCParam->GetPadRowRadiiUp(nstr); | |
1486 | r2 = r1 + stripThick; | |
1487 | dm[0] = r1 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1488 | dm[1] = r2 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1489 | zs = -ouSecLowEdge -0.5*(ouSecUpEdge-ouSecLowEdge); | |
1490 | zs += r1; | |
1491 | zs += dm[3]; | |
1492 | ||
1493 | gMC->Gsposp("TPSS", nstr+1+nsSave, "TPUS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1494 | ||
1495 | } | |
79575d04 | 1496 | } |
1497 | ||
37831078 | 1498 | |
1499 | //------------------------------------------------------- | |
1500 | // positioning of the empty spaces into the main wheel | |
1501 | // and readout chambers and sectors into the drift gas | |
1502 | //------------------------------------------------------- | |
1503 | ||
1504 | Float_t rCenter,xc,yc; | |
1505 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1506 | ||
1507 | rCenter = rLow+dR; | |
1508 | ||
1509 | rInner = 108.07; | |
1510 | rOuter = 190.68; | |
1511 | ||
79575d04 | 1512 | |
37831078 | 1513 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1514 | ||
1515 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1516 | phi1 *= kRaddeg; // in degrees | |
1517 | ||
1518 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1519 | ||
1520 | if (phi1 > 360.) phi1 -= 360.; | |
1521 | ||
1522 | theta1 = 90.; | |
1523 | phi2 = 90.; | |
1524 | theta2 = 180.; | |
1525 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1526 | phi3 *= kRaddeg; // in degrees | |
1527 | ||
1528 | phi3 = (Float_t)TMath::Nint(phi3); | |
1529 | ||
1530 | if(phi3 > 360.) phi3 -= 360.; | |
1531 | ||
1532 | theta3 = 90.; | |
1533 | ||
1534 | // "holes"->End plate | |
1535 | ||
1536 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1537 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1538 | ||
1539 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1540 | ||
1541 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1542 | ||
1543 | // TSCE->TSWC (services wheel volumes) | |
1544 | ||
1545 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1546 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1547 | ||
1548 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1549 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1550 | ||
79575d04 | 1551 | |
37831078 | 1552 | // readout chambers->TDGN (drift gas) |
1553 | ||
1554 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1555 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1556 | ||
1557 | gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1558 | ||
1559 | // here lower sectors | |
1560 | ||
1561 | if(fSecAL <0){ | |
1562 | ||
1563 | // all lower sectors are positioned | |
1564 | ||
79575d04 | 1565 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1566 | gMC-> |
79575d04 | 1567 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1568 | } |
1569 | else{ | |
1570 | ||
1571 | // only selected sectors are positioned (up to 6 sectors) | |
1572 | ||
1573 | for(Int_t sel=0;sel<6;sel++){ | |
1574 | ||
1575 | if(fSecLows[sel] == ns){ | |
79575d04 | 1576 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1577 | } |
1578 | else if(fSecLows[sel] == ns+nInnerSector){ | |
1579 | gMC-> | |
79575d04 | 1580 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1581 | } |
1582 | } | |
1583 | } // lower sectors finished | |
79575d04 | 1584 | |
1585 | ||
37831078 | 1586 | xc = rOuter*TMath::Cos(phi3*kDegrad); |
1587 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1588 | ||
1589 | gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1590 | ||
1591 | // here upper sectors | |
1592 | ||
1593 | if(fSecAU <0){ | |
1594 | ||
1595 | // all upper sectors | |
1596 | ||
79575d04 | 1597 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1598 | gMC-> |
79575d04 | 1599 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1600 | } |
1601 | else{ | |
1602 | ||
1603 | // only selected sectors (up to 12) | |
1604 | ||
1605 | for(Int_t sel=0;sel<12;sel++){ | |
1606 | if(fSecUps[sel] == ns+2*nInnerSector){ | |
79575d04 | 1607 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1608 | } |
1609 | else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){ | |
1610 | gMC-> | |
79575d04 | 1611 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1612 | } |
1613 | } | |
1614 | } // upper sectors finished | |
1615 | ||
79575d04 | 1616 | |
37831078 | 1617 | nRotMat++; |
1618 | ||
79575d04 | 1619 | theta2 = 0.; // reflection |
37831078 | 1620 | |
1621 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1622 | ||
1623 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1624 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1625 | ||
1626 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1627 | ||
1628 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1629 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1630 | ||
1631 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1632 | ||
1633 | nRotMat++; | |
1634 | ||
37831078 | 1635 | } |
37831078 | 1636 | // TPMW->TPC |
1637 | ||
1638 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1639 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
37831078 | 1640 | |
79575d04 | 1641 | //--------------------------------------------------------- |
1642 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1643 | //--------------------------------------------------------- | |
37831078 | 1644 | |
79575d04 | 1645 | dm[0]=82.8; |
1646 | dm[1]=252.; | |
1647 | dm[2]=0.005; | |
37831078 | 1648 | |
79575d04 | 1649 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1650 | |
79575d04 | 1651 | gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY"); |
37831078 | 1652 | |
79575d04 | 1653 | // Tpc High Voltage membrane Holders |
37831078 | 1654 | |
79575d04 | 1655 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1656 | |
79575d04 | 1657 | |
37831078 | 1658 | |
79575d04 | 1659 | // inner |
37831078 | 1660 | |
79575d04 | 1661 | dm[0]=79.3; |
1662 | dm[1]=82.8; | |
1663 | dm[2]=0.2; | |
37831078 | 1664 | |
79575d04 | 1665 | gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3); |
1666 | ||
1667 | // outer | |
1668 | ||
1669 | dm[0]= 252.; | |
1670 | dm[1]= 257.9; | |
1671 | dm[2]= 0.4; | |
1672 | ||
1673 | gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1674 | |
1675 | //---------------------------------------------------------- | |
1676 | // TPc Support Rods - MAKROLON | |
1677 | //---------------------------------------------------------- | |
1678 | ||
1679 | dm[0]= 0.9; | |
1680 | dm[1]= 1.2; | |
37831078 | 1681 | |
79575d04 | 1682 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1683 | |
79575d04 | 1684 | |
1685 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1686 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1687 | ||
79575d04 | 1688 | xc=81.5*TMath::Cos(angle); |
1689 | yc=81.5*TMath::Sin(angle); | |
1690 | ||
1691 | dm[2]=126.7; | |
37831078 | 1692 | |
79575d04 | 1693 | gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3); |
1694 | gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1695 | |
79575d04 | 1696 | dm[2]=126.6; |
37831078 | 1697 | |
79575d04 | 1698 | xc=254.25*TMath::Cos(angle); |
1699 | yc=254.25*TMath::Sin(angle); | |
1700 | ||
1701 | // rod number 54 contans the HV cable | |
37831078 | 1702 | |
79575d04 | 1703 | if(nrod<17) { |
1704 | gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3); | |
1705 | gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3); | |
1706 | } | |
1707 | ||
37831078 | 1708 | } |
1709 | ||
1710 | //---------------------------------------------------------- | |
79575d04 | 1711 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1712 | //---------------------------------------------------------- |
1713 | ||
1714 | // rod with cable (Left) | |
1715 | ||
1716 | dm[0]=0.; | |
1717 | dm[1]=2.25; | |
79575d04 | 1718 | dm[2]=126.6; |
37831078 | 1719 | |
1720 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1721 | ||
1722 | // HV cable | |
1723 | ||
1724 | dm[0]=0.; | |
1725 | dm[1]=0.3; | |
79575d04 | 1726 | dm[2]=126.6; |
37831078 | 1727 | |
79575d04 | 1728 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1729 | |
1730 | // empty space | |
1731 | ||
1732 | dm[0]=0.3; | |
1733 | dm[1]=1.; | |
79575d04 | 1734 | dm[2]=126.6; |
37831078 | 1735 | |
1736 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1737 | ||
1738 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1739 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1740 | ||
1741 | // rod without cable | |
1742 | ||
1743 | dm[0]=1.8; | |
1744 | dm[1]=2.25; | |
79575d04 | 1745 | dm[2]=126.6; |
37831078 | 1746 | |
1747 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1748 | ||
79575d04 | 1749 | gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY"); |
1750 | gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY"); | |
37831078 | 1751 | |
1752 | gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1753 | |
37831078 | 1754 | // services wheel cover -> wheel |
1755 | ||
1756 | ||
1757 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1758 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1759 | ||
1760 | ||
1761 | // put the wheel into the TPC | |
1762 | ||
1763 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1764 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1765 | ||
79575d04 | 1766 | // |
1767 | ||
37831078 | 1768 | gMC->Gsord("TPMW",6); |
79575d04 | 1769 | gMC->Gsord("TSSW",6); |
1770 | gMC->Gsord("TSWC",6); | |
d4c354b9 | 1771 | if(fSecAL >=0) gMC->Gsord("TPLS",3); |
1772 | if(fSecAU >=0 && fSens >0) gMC->Gsord("TPUS",3); | |
37831078 | 1773 | gMC->Gsord("TDGN",6); |
37831078 | 1774 | |
1775 | // put the TPC into ALIC (main mother volume) | |
1776 | ||
79575d04 | 1777 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); |
1778 | ||
1779 | ||
37831078 | 1780 | |
1781 | } // end of function | |
1782 | ||
1783 | //_____________________________________________________________________________ | |
1784 | void AliTPCv2::DrawDetector() | |
1785 | { | |
1786 | // | |
1787 | // Draw a shaded view of the Time Projection Chamber version 1 | |
1788 | // | |
1789 | ||
1790 | // Set everything unseen | |
1791 | gMC->Gsatt("*", "seen", -1); | |
1792 | // | |
1793 | // Set ALIC mother transparent | |
1794 | gMC->Gsatt("ALIC","SEEN",0); | |
1795 | // | |
1796 | // Set the volumes visible | |
1797 | // | |
1798 | ||
1799 | gMC->Gsatt("TPC ","SEEN",0); | |
1800 | gMC->Gsatt("TOIN","SEEN",1); | |
1801 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1802 | gMC->Gsatt("TOCV","SEEN",1); |
1803 | gMC->Gsatt("TOCV","COLO",4); | |
1804 | gMC->Gsatt("TSA1","SEEN",0); | |
1805 | gMC->Gsatt("TSA2","SEEN",0); | |
1806 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1807 | gMC->Gsatt("TSA4","SEEN",0); |
1808 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1809 | gMC->Gsatt("TOFC","SEEN",1); |
1810 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1811 | gMC->Gsatt("TSA6","SEEN",0); |
1812 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1813 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1814 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1815 | gMC->Gsatt("TIIN","COLO",7); |
1816 | gMC->Gsatt("TII1","SEEN",0); | |
1817 | gMC->Gsatt("TIFC","SEEN",1); | |
1818 | gMC->Gsatt("TIFC","COLO",4); | |
1819 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1820 | gMC->Gsatt("TS10","SEEN",0); |
1821 | gMC->Gsatt("TS11","SEEN",0); | |
1822 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1823 | gMC->Gsatt("TS13","SEEN",0); |
1824 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1825 | gMC->Gsatt("TICC","SEEN",0); |
1826 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1827 | gMC->Gsatt("TS15","SEEN",0); |
1828 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1829 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1830 | gMC->Gsatt("TS18","SEEN",0); |
1831 | gMC->Gsatt("TS19","SEEN",0); | |
1832 | gMC->Gsatt("TPJ1","SEEN",0); | |
1833 | gMC->Gsatt("TPJ2","SEEN",0); | |
1834 | gMC->Gsatt("TICS","SEEN",0); | |
1835 | gMC->Gsatt("TDGN","SEEN",0); | |
37831078 | 1836 | gMC->Gsatt("TIRC","SEEN",0); |
1837 | gMC->Gsatt("TIC1","SEEN",1); | |
1838 | gMC->Gsatt("TIPP","SEEN",0); | |
1839 | gMC->Gsatt("TIC3","SEEN",0); | |
1840 | gMC->Gsatt("TRCE","SEEN",0); | |
1841 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1842 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1843 | gMC->Gsatt("TORC","SEEN",0); |
1844 | gMC->Gsatt("TOPP","SEEN",0); | |
1845 | gMC->Gsatt("TOC3","SEEN",0); | |
1846 | gMC->Gsatt("TOC1","SEEN",1); | |
1847 | gMC->Gsatt("TSSW","SEEN",1); | |
1848 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1849 | gMC->Gsatt("TSSW","COLO",3); |
1850 | gMC->Gsatt("TSWC","COLO",3); | |
1851 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1852 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1853 | gMC->Gsatt("TWES","SEEN",0); |
1854 | gMC->Gsatt("TSWB","SEEN",0); | |
1855 | gMC->Gsatt("TPEL","SEEN",0); | |
1856 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1857 | gMC->Gsatt("TESR","SEEN",1); |
1858 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1859 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1860 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1861 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1862 | gMC->Gsatt("THVM","SEEN",1); |
1863 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1864 | gMC->Gsatt("THVH","SEEN",0); |
1865 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1866 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1867 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1868 | gMC->Gsatt("THVE","SEEN",0); |
1869 | gMC->Gsatt("THVR","SEEN",0); | |
79575d04 | 1870 | gMC->Gsatt("TPSS","SEEN",0); |
1871 | gMC->Gsatt("TPUS","SEEN",0); | |
1872 | gMC->Gsatt("TPLS","SEEN",0); | |
37831078 | 1873 | |
1874 | // | |
1875 | gMC->Gdopt("hide", "on"); | |
1876 | gMC->Gdopt("shad", "on"); | |
1877 | gMC->Gsatt("*", "fill", 7); | |
1878 | gMC->SetClipBox("."); | |
1879 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1880 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1881 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1882 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1883 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1884 | gMC->DefaultRange(); | |
1885 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1886 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1887 | gMC->Gdman(18, 4, "MAN"); | |
1888 | gMC->Gdopt("hide","off"); | |
1889 | } | |
1890 | ||
1891 | //_____________________________________________________________________________ | |
1892 | void AliTPCv2::CreateMaterials() | |
1893 | { | |
1894 | // | |
1895 | // Define materials for version 2 of the Time Projection Chamber | |
1896 | // | |
1897 | ||
1898 | AliTPC::CreateMaterials(); | |
1899 | } | |
1900 | ||
1901 | //_____________________________________________________________________________ | |
1902 | void AliTPCv2::Init() | |
1903 | { | |
1904 | // | |
1905 | // Initialises version 2 of the TPC after that it has been built | |
1906 | // | |
1907 | ||
1908 | Int_t *idtmed = fIdtmed->GetArray(); | |
1909 | ||
1910 | AliTPC::Init(); | |
d4c354b9 | 1911 | |
1912 | ||
1913 | ||
1914 | fIdSens=gMC->VolId("TPSS"); | |
1915 | ||
1916 | fIdLSec=gMC->VolId("TPLS"); // lower sector | |
37831078 | 1917 | fIdUSec=gMC->VolId("TPUS"); // upper sector |
1918 | ||
1919 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1920 | ||
1921 | gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss | |
1922 | ||
9e1a0ddb | 1923 | printf("%s: *** TPC version 2 initialized ***\n",ClassName()); |
1924 | printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep()); | |
37831078 | 1925 | |
1926 | // | |
fe4da5cc | 1927 | |
1928 | } | |
1929 | ||
1930 | //_____________________________________________________________________________ | |
1931 | void AliTPCv2::StepManager() | |
1932 | { | |
1933 | // | |
1934 | // Called for every step in the Time Projection Chamber | |
1935 | // | |
1936 | ||
1937 | // | |
1938 | // parameters used for the energy loss calculations | |
1939 | // | |
73042f01 | 1940 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1941 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1942 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
fe4da5cc | 1943 | |
1944 | ||
73042f01 | 1945 | const Float_t kbig = 1.e10; |
fe4da5cc | 1946 | |
1947 | Int_t id,copy; | |
1948 | Float_t hits[4]; | |
1949 | Int_t vol[2]; | |
37831078 | 1950 | TLorentzVector p; |
fe4da5cc | 1951 | |
37831078 | 1952 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1953 | |
1954 | // | |
1955 | ||
73042f01 | 1956 | gMC->SetMaxStep(kbig); |
fe4da5cc | 1957 | |
0a6d8768 | 1958 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1959 | |
cfce8870 | 1960 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1961 | |
1962 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1963 | ||
37831078 | 1964 | // check the sensitive volume |
1965 | ||
1966 | id = gMC->CurrentVolID(copy); // current volume Id | |
1967 | ||
da33556f | 1968 | if (gMC->IsTrackEntering() && ( (id == fIdLSec) || (id == fIdUSec))){ |
1969 | // printf("track %d entering volume %d\n",gAlice->CurrentTrack(),id); | |
1970 | TLorentzVector p; | |
1971 | TLorentzVector x; | |
1972 | gMC->TrackMomentum(p); | |
1973 | gMC->TrackPosition(x); | |
ac4fb434 | 1974 | AddTrackReference(gAlice->CurrentTrack(),p,x,gMC->TrackLength()); |
da33556f | 1975 | } |
1976 | ||
1977 | if (gMC->IsTrackExiting() && ( (id == fIdLSec) || (id == fIdUSec))){ | |
1978 | // printf("track %d exiting volume %d\n",gAlice->CurrentTrack(),id); | |
1979 | TLorentzVector p; | |
1980 | TLorentzVector x; | |
1981 | gMC->TrackMomentum(p); | |
1982 | gMC->TrackPosition(x); | |
ac4fb434 | 1983 | AddTrackReference(gAlice->CurrentTrack(),p,x,gMC->TrackLength()); |
da33556f | 1984 | } |
1985 | ||
1986 | ||
37831078 | 1987 | if(id == fIdLSec){ |
1988 | vol[0] = copy-1; // lower sector number | |
1989 | } | |
1990 | else if(id == fIdUSec){ | |
1991 | vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number | |
1992 | } | |
1993 | else if(id == fIdSens && gMC->IsTrackEntering()){ | |
1994 | ||
1995 | // track is entering the sensitive strip | |
1996 | ||
1997 | vol[1]= copy-1; // row number (absolute) | |
1998 | ||
1999 | // sector type | |
2000 | ||
2001 | id = gMC->CurrentVolOffID(1,copy); | |
2002 | ||
2003 | if(id == fIdLSec){ | |
2004 | ||
2005 | // lower sector | |
2006 | ||
2007 | vol[0] = copy-1; // sector number | |
2008 | ||
fe4da5cc | 2009 | } |
37831078 | 2010 | else { |
2011 | ||
2012 | // upper sector | |
2013 | ||
2014 | vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number | |
6a905708 | 2015 | vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0) |
37831078 | 2016 | |
2017 | } | |
2018 | ||
2019 | if(vol[1] == 0){ | |
2020 | ||
2021 | // because Jouri wants to have this | |
2022 | ||
2023 | gMC->TrackMomentum(p); | |
2024 | hits[0]=p[0]; | |
2025 | hits[1]=p[1]; | |
2026 | hits[2]=p[2]; | |
fe4da5cc | 2027 | hits[3]=0.; // this hit has no energy loss |
6a905708 | 2028 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
2029 | ||
2030 | AddHit(gAlice->CurrentTrack(), vol,hits); //MI change | |
37831078 | 2031 | |
930ee558 | 2032 | } |
37831078 | 2033 | |
930ee558 | 2034 | gMC->TrackPosition(p); |
2035 | hits[0]=p[0]; | |
2036 | hits[1]=p[1]; | |
2037 | hits[2]=p[2]; | |
2038 | hits[3]=0.; // this hit has no energy loss | |
6a905708 | 2039 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
2040 | ||
2041 | AddHit(gAlice->CurrentTrack(), vol,hits); //MI change | |
930ee558 | 2042 | |
37831078 | 2043 | } |
fe4da5cc | 2044 | else return; |
37831078 | 2045 | |
2046 | //----------------------------------------------------------------- | |
fe4da5cc | 2047 | // charged particle is in the sensitive volume |
37831078 | 2048 | //----------------------------------------------------------------- |
fe4da5cc | 2049 | |
cfce8870 | 2050 | if(gMC->TrackStep() > 0) { |
fe4da5cc | 2051 | |
73042f01 | 2052 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
fe4da5cc | 2053 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
2054 | ||
37831078 | 2055 | gMC->TrackPosition(p); |
2056 | hits[0]=p[0]; | |
2057 | hits[1]=p[1]; | |
2058 | hits[2]=p[2]; | |
fe4da5cc | 2059 | hits[3]=(Float_t)nel; |
2060 | ||
2061 | // Add this hit | |
2062 | ||
6a905708 | 2063 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
2064 | if (fHitType&&2){ | |
2065 | gMC->TrackMomentum(p); | |
2066 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
2067 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
2068 | fTrackHits->SetHitPrecision(precision); | |
2069 | } | |
2070 | AddHit(gAlice->CurrentTrack(), vol,hits); //MI change | |
fe4da5cc | 2071 | |
2072 | } | |
2073 | ||
2074 | // Stemax calculation for the next step | |
2075 | ||
2076 | Float_t pp; | |
0a6d8768 | 2077 | TLorentzVector mom; |
2078 | gMC->TrackMomentum(mom); | |
2079 | Float_t ptot=mom.Rho(); | |
73042f01 | 2080 | Float_t betaGamma = ptot/gMC->TrackMass(); |
fe4da5cc | 2081 | |
69e40cce | 2082 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 2083 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
fe4da5cc | 2084 | { |
73042f01 | 2085 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
fe4da5cc | 2086 | } |
2087 | else | |
2088 | { | |
595bf2c3 | 2089 | |
07521998 | 2090 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg |
595bf2c3 | 2091 | pp=kprim*BetheBloch(betaGamma); |
2092 | ||
fe4da5cc | 2093 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
2094 | } | |
2095 | ||
2096 | Float_t random[1]; | |
cfce8870 | 2097 | gMC->Rndm(random,1); // good, old GRNDM from Geant3 |
fe4da5cc | 2098 | |
2099 | Double_t rnd = (Double_t)random[0]; | |
2100 | ||
cfce8870 | 2101 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
fe4da5cc | 2102 | |
2103 | } | |
2104 | ||
2105 | //_____________________________________________________________________________ | |
2106 | Float_t AliTPCv2::BetheBloch(Float_t bg) | |
2107 | { | |
2108 | // | |
2109 | // Bethe-Bloch energy loss formula | |
2110 | // | |
73042f01 | 2111 | const Double_t kp1=0.76176e-1; |
2112 | const Double_t kp2=10.632; | |
2113 | const Double_t kp3=0.13279e-4; | |
2114 | const Double_t kp4=1.8631; | |
2115 | const Double_t kp5=1.9479; | |
fe4da5cc | 2116 | |
2117 | Double_t dbg = (Double_t) bg; | |
2118 | ||
2119 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
2120 | ||
73042f01 | 2121 | Double_t aa = TMath::Power(beta,kp4); |
2122 | Double_t bb = TMath::Power(1./dbg,kp5); | |
fe4da5cc | 2123 | |
73042f01 | 2124 | bb=TMath::Log(kp3+bb); |
fe4da5cc | 2125 | |
73042f01 | 2126 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
fe4da5cc | 2127 | } |
73042f01 | 2128 | |
2129 |