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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 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
73042f01 | 18 | // |
4b0fdcad | 19 | /////////////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Time Projection Chamber version 3 -- detailed TPC and slow simulation // | |
37831078 | 22 | // |
4b0fdcad | 23 | //Begin_Html |
24 | /* | |
25 | <img src="picts/AliTPCv3Class.gif"> | |
26 | */ | |
27 | //End_Html | |
28 | // // | |
29 | // // | |
30 | /////////////////////////////////////////////////////////////////////////////// | |
31 | ||
32 | #include <stdlib.h> | |
116cbefd | 33 | |
116cbefd | 34 | #include <TInterpreter.h> |
88cb7938 | 35 | #include <TLorentzVector.h> |
4b0fdcad | 36 | #include <TMath.h> |
88cb7938 | 37 | #include <TVirtualMC.h> |
38 | #include <TPDGCode.h> | |
116cbefd | 39 | |
4b0fdcad | 40 | #include "AliConst.h" |
116cbefd | 41 | #include "AliRun.h" |
cc80f89e | 42 | #include "AliTPCDigitsArray.h" |
4c475d27 | 43 | #include "AliTPCParam.h" |
44 | #include "AliTPCParamSR.h" | |
4ed5dced | 45 | #include "AliTPCTrackHitsV2.h" |
116cbefd | 46 | #include "AliTPCv3.h" |
5d12ce38 | 47 | #include "AliMC.h" |
4b0fdcad | 48 | |
49 | ClassImp(AliTPCv3) | |
79575d04 | 50 | //_____________________________________________________________________________ |
51 | ||
52 | AliTPCv3::AliTPCv3(){ | |
53 | ||
54 | fHitType = 1; | |
55 | ||
56 | } | |
57 | ||
4b0fdcad | 58 | //_____________________________________________________________________________ |
59 | AliTPCv3::AliTPCv3(const char *name, const char *title) : | |
60 | AliTPC(name, title) | |
61 | { | |
62 | // | |
cc80f89e | 63 | // Standard constructor for Time Projection Chamber version 3 |
4b0fdcad | 64 | // |
65 | ||
66 | SetBufferSize(128000); | |
37831078 | 67 | fIdSens=0; |
73042f01 | 68 | |
69 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); | |
70 | ||
71 | if (fTPCParam) | |
72 | fTPCParam->Write(fTPCParam->GetTitle()); | |
79575d04 | 73 | |
74 | fHitType =1; | |
4b0fdcad | 75 | } |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | void AliTPCv3::CreateGeometry() | |
79 | { | |
80 | // | |
cc80f89e | 81 | // Creation of the TPC coarse geometry (version 3) |
37831078 | 82 | // The whole drift volume is sensitive |
cc80f89e | 83 | // Origin Marek Kowalski Cracow |
4b0fdcad | 84 | // |
85 | //Begin_Html | |
86 | /* | |
37831078 | 87 | <img src="picts/AliTPCgif"> |
4b0fdcad | 88 | */ |
89 | //End_Html | |
90 | //Begin_Html | |
91 | /* | |
37831078 | 92 | <img src="picts/AliTPCv3Tree.gif"> |
4b0fdcad | 93 | */ |
94 | //End_Html | |
37831078 | 95 | Float_t dm[50]; |
4b0fdcad | 96 | |
37831078 | 97 | Int_t *idtmed = fIdtmed->GetArray(); // TPC media |
1283eee5 | 98 | |
37831078 | 99 | Int_t idrotm[120]; // rotation matrices |
1283eee5 | 100 | |
37831078 | 101 | Int_t nRotMat = 0; // actual number of rotation matrices |
1283eee5 | 102 | |
103 | ||
37831078 | 104 | // |
105 | // Mother volume (Air) - all volumes will be positioned in it | |
106 | // | |
107 | ||
108 | dm[0]=0.; | |
109 | dm[1]=360.; | |
79575d04 | 110 | dm[2]=8.; |
4b0fdcad | 111 | |
37831078 | 112 | // |
1283eee5 | 113 | |
79575d04 | 114 | dm[3]=-283.7; |
115 | dm[4]=65.6; | |
116 | dm[5]=278.; | |
4b0fdcad | 117 | |
37831078 | 118 | // |
1283eee5 | 119 | |
79575d04 | 120 | dm[6]=-253.6; |
121 | dm[7]=65.6; | |
122 | dm[8]=278.; | |
1283eee5 | 123 | |
37831078 | 124 | // |
1283eee5 | 125 | |
79575d04 | 126 | dm[9]=-73.3; |
127 | dm[10]=60.9; | |
128 | dm[11]=278.; | |
1283eee5 | 129 | |
37831078 | 130 | // |
1283eee5 | 131 | |
79575d04 | 132 | dm[12]=-73.3; |
133 | dm[13]=56.9; | |
134 | dm[14]=278.; | |
1283eee5 | 135 | |
37831078 | 136 | // |
1283eee5 | 137 | |
79575d04 | 138 | dm[15]=73.3; |
139 | dm[16]=56.9; | |
140 | dm[17]=278.; | |
1283eee5 | 141 | |
37831078 | 142 | // |
1283eee5 | 143 | |
79575d04 | 144 | dm[18]=73.3; |
145 | dm[19]=60.9; | |
146 | dm[20]=278.; | |
1283eee5 | 147 | |
37831078 | 148 | // |
1283eee5 | 149 | |
79575d04 | 150 | dm[21]=253.6; |
151 | dm[22]=65.6; | |
152 | dm[23]=278.; | |
1283eee5 | 153 | |
37831078 | 154 | // |
1283eee5 | 155 | |
79575d04 | 156 | dm[24]=283.7; |
157 | dm[25]=65.6; | |
158 | dm[26]=278.; | |
159 | ||
160 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 161 | |
79575d04 | 162 | // outer part |
1283eee5 | 163 | |
37831078 | 164 | //------------------------------------------------------------------- |
79575d04 | 165 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 166 | //------------------------------------------------------------------- |
1283eee5 | 167 | |
37831078 | 168 | dm[0]= 0.; |
169 | dm[1]= 360.; | |
170 | dm[2]= 6.; | |
1283eee5 | 171 | |
37831078 | 172 | // |
1283eee5 | 173 | |
79575d04 | 174 | dm[3]=-253.6; |
175 | dm[4]=258.; | |
176 | dm[5]=275.5; | |
1283eee5 | 177 | |
37831078 | 178 | // |
1283eee5 | 179 | |
79575d04 | 180 | dm[6]=-250.6; |
181 | dm[7]=258.; | |
182 | dm[8]=275.5; | |
1283eee5 | 183 | |
37831078 | 184 | // |
1283eee5 | 185 | |
79575d04 | 186 | dm[9]=-250.6; |
187 | dm[10]=258.; | |
188 | dm[11]=278.; | |
cc80f89e | 189 | |
79575d04 | 190 | // |
1283eee5 | 191 | |
79575d04 | 192 | dm[12]=253.6; |
193 | dm[13]=258.; | |
194 | dm[14]=278.; | |
1283eee5 | 195 | |
37831078 | 196 | // |
1283eee5 | 197 | |
79575d04 | 198 | dm[15]=253.6; |
199 | dm[16]=264.8; | |
200 | dm[17]=278.; | |
1283eee5 | 201 | |
37831078 | 202 | // |
1283eee5 | 203 | |
79575d04 | 204 | dm[18]=256.6; |
205 | dm[19]=264.8; | |
206 | dm[20]=278.; | |
1283eee5 | 207 | |
79575d04 | 208 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 209 | |
37831078 | 210 | //---------------------------------------------------------------- |
211 | // Tpc Outer Contaiment Vessel | |
212 | // mother volume - Al, daughters - composite (sandwich) | |
213 | //---------------------------------------------------------------- | |
79575d04 | 214 | |
215 | dm[0]=0.; | |
216 | dm[1]=360.; | |
720b23b8 | 217 | dm[2]=6.; |
1283eee5 | 218 | |
37831078 | 219 | // |
1283eee5 | 220 | |
79575d04 | 221 | dm[3]=-250.6; |
222 | dm[4]=270.4; | |
223 | dm[5]=278.; | |
1283eee5 | 224 | |
37831078 | 225 | // |
1283eee5 | 226 | |
79575d04 | 227 | dm[6]=-247.6; |
228 | dm[7]=270.4; | |
229 | dm[8]=278.; | |
1283eee5 | 230 | |
37831078 | 231 | // |
1283eee5 | 232 | |
79575d04 | 233 | dm[9]=-247.6; |
cea9b4f7 | 234 | dm[10]=274.8124; |
79575d04 | 235 | dm[11]=278.; |
1283eee5 | 236 | |
37831078 | 237 | // |
1283eee5 | 238 | |
79575d04 | 239 | dm[12]=253.6; |
cea9b4f7 | 240 | dm[13]=274.8124; |
79575d04 | 241 | dm[14]=278.; |
1283eee5 | 242 | |
720b23b8 | 243 | // |
37831078 | 244 | |
79575d04 | 245 | dm[15]=253.6; |
246 | dm[16]=264.8; | |
247 | dm[17]=278.; | |
1283eee5 | 248 | |
79575d04 | 249 | // |
720b23b8 | 250 | |
79575d04 | 251 | dm[18]=256.6; |
252 | dm[19]=264.8; | |
253 | dm[20]=278.; | |
720b23b8 | 254 | |
255 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 256 | |
79575d04 | 257 | // Daughter volumes - sandwich |
37831078 | 258 | |
259 | // Tpc SAndwich 1 - Al | |
79575d04 | 260 | |
cea9b4f7 | 261 | dm[0]=274.8124; |
79575d04 | 262 | dm[1]=278.; |
263 | dm[2]=252.1; | |
1283eee5 | 264 | |
37831078 | 265 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 266 | |
79575d04 | 267 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 268 | |
37831078 | 269 | dm[0] += 5.e-3; |
270 | dm[1] -= 5.e-3; | |
79575d04 | 271 | |
272 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
273 | ||
274 | // Tpc SAndwich 3 - Tedlar | |
275 | ||
276 | dm[0] += 0.01; | |
277 | dm[1] -= 0.01; | |
37831078 | 278 | |
79575d04 | 279 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
37831078 | 280 | |
37831078 | 281 | |
79575d04 | 282 | // Tpc SAndwich 4 - fiber glass (G10) |
37831078 | 283 | |
cea9b4f7 | 284 | dm[0] += 3.8e-3; |
285 | dm[1] -= 3.8e-3; | |
37831078 | 286 | |
79575d04 | 287 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
37831078 | 288 | |
79575d04 | 289 | // Tpc SAndwich 5 - NOMEX honeycomb |
37831078 | 290 | |
79575d04 | 291 | dm[0] += 0.075; |
292 | dm[1] -= 0.075; | |
37831078 | 293 | |
79575d04 | 294 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
295 | ||
296 | // 5->4->3->2->1->TCOV | |
297 | ||
37831078 | 298 | |
79575d04 | 299 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); |
37831078 | 300 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
301 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 302 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
37831078 | 303 | |
79575d04 | 304 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
37831078 | 305 | |
306 | // TCOV-> TOIN | |
307 | ||
308 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); | |
309 | ||
310 | //------------------------------------------------------- | |
311 | // Tpc Outer Field Cage | |
312 | // mother volume - Al, daughters - composite (sandwich) | |
313 | //------------------------------------------------------- | |
1283eee5 | 314 | |
37831078 | 315 | dm[0]=0.; |
316 | dm[1]=360.; | |
317 | dm[2]=6.; | |
1283eee5 | 318 | |
79575d04 | 319 | // |
320 | ||
321 | dm[3]=-253.6; | |
322 | dm[4]=258.; | |
323 | dm[5]=275.5; | |
1283eee5 | 324 | |
37831078 | 325 | // |
326 | ||
79575d04 | 327 | dm[6]=-250.6; |
328 | dm[7]=258.; | |
329 | dm[8]=275.5; | |
1283eee5 | 330 | |
331 | // | |
79575d04 | 332 | |
333 | dm[9]=-250.6; | |
334 | dm[10]=258.; | |
cea9b4f7 | 335 | dm[11]=260.0476; |
37831078 | 336 | |
1283eee5 | 337 | // |
338 | ||
79575d04 | 339 | dm[12]=250.6; |
340 | dm[13]=258.; | |
cea9b4f7 | 341 | dm[14]=260.0476; |
1283eee5 | 342 | |
37831078 | 343 | // |
1283eee5 | 344 | |
79575d04 | 345 | dm[15]=250.6; |
346 | dm[16]=258.; | |
dcf38560 | 347 | dm[17]=269.6; |
1283eee5 | 348 | |
37831078 | 349 | // |
1283eee5 | 350 | |
79575d04 | 351 | dm[18]=253.6; |
352 | dm[19]=258.; | |
dcf38560 | 353 | dm[20]=269.6; |
37831078 | 354 | |
79575d04 | 355 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
37831078 | 356 | |
357 | // Daughter volumes | |
358 | ||
79575d04 | 359 | // Tpc SAndwich 6 - Tedlar |
37831078 | 360 | |
361 | dm[0]= 258.; | |
cea9b4f7 | 362 | dm[1]= 260.0476; |
79575d04 | 363 | dm[2]= 252.1; |
37831078 | 364 | |
79575d04 | 365 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
37831078 | 366 | |
79575d04 | 367 | // Tpc SAndwich 7 - fiber glass |
37831078 | 368 | |
cea9b4f7 | 369 | dm[0] += 3.8e-3; |
370 | dm[1] -= 3.8e-3; | |
37831078 | 371 | |
79575d04 | 372 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 373 | |
1283eee5 | 374 | |
79575d04 | 375 | // Tpc SAndwich 8 - NOMEX |
37831078 | 376 | |
377 | dm[0] += 0.02; | |
378 | dm[1] -= 0.02; | |
379 | ||
79575d04 | 380 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
37831078 | 381 | |
79575d04 | 382 | // 8->7->6->TOFC |
37831078 | 383 | |
79575d04 | 384 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
385 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
386 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
37831078 | 387 | |
388 | // TOFC->TOIN | |
389 | ||
79575d04 | 390 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
37831078 | 391 | |
392 | // TOIN->TPC | |
393 | ||
394 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
395 | ||
79575d04 | 396 | // inner part |
37831078 | 397 | |
79575d04 | 398 | //-------------------------------------------------------------------- |
399 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
400 | // Inner containment vessel will be placed directly in the TPC | |
401 | //-------------------------------------------------------------------- | |
37831078 | 402 | |
403 | dm[0]=0.; | |
79575d04 | 404 | dm[1]=360.; |
405 | dm[2]=4.; | |
1283eee5 | 406 | |
79575d04 | 407 | // |
1283eee5 | 408 | |
79575d04 | 409 | dm[3]=-253.6; |
410 | dm[4]=65.9; | |
411 | dm[5]=79.2; | |
1283eee5 | 412 | |
37831078 | 413 | // |
1283eee5 | 414 | |
79575d04 | 415 | dm[6]=-73.3; |
416 | dm[7]=61.2; | |
417 | dm[8]=79.2; | |
1283eee5 | 418 | |
37831078 | 419 | // |
1283eee5 | 420 | |
79575d04 | 421 | dm[9]=73.3; |
422 | dm[10]=61.2; | |
423 | dm[11]=79.2; | |
1283eee5 | 424 | |
37831078 | 425 | // |
1283eee5 | 426 | |
79575d04 | 427 | dm[12]=253.6; |
428 | dm[13]=65.9; | |
429 | dm[14]=79.2; | |
1283eee5 | 430 | |
79575d04 | 431 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 432 | |
79575d04 | 433 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 434 | |
79575d04 | 435 | dm[0]=79.16; |
436 | dm[1]=79.2; | |
437 | dm[2]=88.; | |
1283eee5 | 438 | |
79575d04 | 439 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 440 | |
79575d04 | 441 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 442 | |
79575d04 | 443 | //----------------------------------------------------- |
444 | // Tpc Inner Field Cage | |
445 | // mother volume - Al, daughters - composite (sandwich) | |
446 | //------------------------------------------------------ | |
1283eee5 | 447 | |
79575d04 | 448 | dm[0]=0.; |
449 | dm[1]=360.; | |
450 | dm[2]=10.; | |
1283eee5 | 451 | |
37831078 | 452 | // |
1283eee5 | 453 | |
79575d04 | 454 | dm[3]=-253.6; |
455 | dm[4]=70.3; | |
456 | dm[5]=79.2; | |
1283eee5 | 457 | |
37831078 | 458 | // |
1283eee5 | 459 | |
79575d04 | 460 | dm[6]=-250.6; |
461 | dm[7]=70.3; | |
462 | dm[8]=79.2; | |
1283eee5 | 463 | |
37831078 | 464 | // |
1283eee5 | 465 | |
79575d04 | 466 | dm[9]=-250.6; |
cea9b4f7 | 467 | dm[10]=77.0524; |
79575d04 | 468 | dm[11]=79.2; |
1283eee5 | 469 | |
37831078 | 470 | // |
1283eee5 | 471 | |
79575d04 | 472 | dm[12]=-88.; |
cea9b4f7 | 473 | dm[13]=77.0524; |
79575d04 | 474 | dm[14]=79.2; |
1283eee5 | 475 | |
37831078 | 476 | // |
1283eee5 | 477 | |
79575d04 | 478 | dm[15]=-88.; |
cea9b4f7 | 479 | dm[16]=77.0924; |
79575d04 | 480 | dm[17]=79.16; |
4b0fdcad | 481 | |
37831078 | 482 | // |
1283eee5 | 483 | |
79575d04 | 484 | dm[18]=88.; |
cea9b4f7 | 485 | dm[19]=77.0924; |
79575d04 | 486 | dm[20]=79.16; |
1283eee5 | 487 | |
37831078 | 488 | // |
1283eee5 | 489 | |
79575d04 | 490 | dm[21]=88.; |
cea9b4f7 | 491 | dm[22]=77.0524; |
79575d04 | 492 | dm[23]=79.2; |
1283eee5 | 493 | |
494 | // | |
495 | ||
79575d04 | 496 | dm[24]=250.6; |
cea9b4f7 | 497 | dm[25]=77.0524; |
79575d04 | 498 | dm[26]=79.2; |
1283eee5 | 499 | |
37831078 | 500 | // |
1283eee5 | 501 | |
79575d04 | 502 | dm[27]=250.6; |
503 | dm[28]=70.3; | |
504 | dm[29]=79.2; | |
1283eee5 | 505 | |
37831078 | 506 | // |
1283eee5 | 507 | |
79575d04 | 508 | dm[30]=253.6; |
509 | dm[31]=70.3; | |
510 | dm[32]=79.2; | |
1283eee5 | 511 | |
79575d04 | 512 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 513 | |
79575d04 | 514 | // daughter volumes - central part |
1283eee5 | 515 | |
79575d04 | 516 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 517 | |
cea9b4f7 | 518 | dm[0]=77.0924; |
79575d04 | 519 | dm[1]=79.16; |
520 | dm[2]=88.; | |
1283eee5 | 521 | |
79575d04 | 522 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 523 | |
79575d04 | 524 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 525 | |
cea9b4f7 | 526 | dm[0] += 3.8e-3; |
527 | dm[1] -= 3.8e-3; | |
1283eee5 | 528 | |
79575d04 | 529 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 530 | |
79575d04 | 531 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 532 | |
79575d04 | 533 | dm[0] += 0.03; |
534 | dm[1] -= 0.03; | |
1283eee5 | 535 | |
79575d04 | 536 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 537 | |
79575d04 | 538 | // 11->10->9->TIFC |
1283eee5 | 539 | |
79575d04 | 540 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
541 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 542 | |
79575d04 | 543 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 544 | |
79575d04 | 545 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 546 | |
79575d04 | 547 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 548 | |
cea9b4f7 | 549 | dm[0]=77.0524; |
79575d04 | 550 | dm[1]=79.2; |
551 | dm[2]=82.05; | |
1283eee5 | 552 | |
79575d04 | 553 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 554 | |
79575d04 | 555 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 556 | |
cea9b4f7 | 557 | dm[0] += 3.8e-3; |
558 | dm[1] -= 3.8e-3; | |
1283eee5 | 559 | |
79575d04 | 560 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 561 | |
79575d04 | 562 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 563 | |
79575d04 | 564 | dm[0] += 0.07; |
565 | dm[1] -= 0.07; | |
1283eee5 | 566 | |
79575d04 | 567 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 568 | |
79575d04 | 569 | // 14->13->12->TIFC |
1283eee5 | 570 | |
79575d04 | 571 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
572 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 573 | |
79575d04 | 574 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
575 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 576 | |
79575d04 | 577 | // place this inside the inner insulator |
1283eee5 | 578 | |
79575d04 | 579 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 580 | |
79575d04 | 581 | // and now in the TPC... |
1283eee5 | 582 | |
79575d04 | 583 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 584 | |
79575d04 | 585 | //--------------------------------------------------------- |
586 | // Tpc Inner Containment vessel - Cones | |
587 | //--------------------------------------------------------- | |
1283eee5 | 588 | |
79575d04 | 589 | dm[0]=0.; |
590 | dm[1]=360.; | |
37831078 | 591 | dm[2]=8.; |
1283eee5 | 592 | |
37831078 | 593 | // |
1283eee5 | 594 | |
79575d04 | 595 | dm[3]=71.8; |
596 | dm[4]=56.9; | |
597 | dm[5]=59.4; | |
1283eee5 | 598 | |
37831078 | 599 | // |
1283eee5 | 600 | |
79575d04 | 601 | dm[6]=73.; |
602 | dm[7]=56.9; | |
603 | dm[8]=59.4; | |
1283eee5 | 604 | |
37831078 | 605 | // |
1283eee5 | 606 | |
79575d04 | 607 | dm[9]=73.; |
608 | dm[10]=56.9; | |
609 | dm[11]=61.2; | |
1283eee5 | 610 | |
37831078 | 611 | // |
1283eee5 | 612 | |
79575d04 | 613 | dm[12]=73.3; |
614 | dm[13]=56.9; | |
615 | dm[14]=61.2; | |
1283eee5 | 616 | |
37831078 | 617 | // |
79575d04 | 618 | |
619 | dm[15]=73.3; | |
620 | dm[16]=60.9; | |
621 | dm[17]=61.2; | |
1283eee5 | 622 | |
79575d04 | 623 | // |
4b0fdcad | 624 | |
79575d04 | 625 | dm[18]=253.6; |
626 | dm[19]=65.6; | |
627 | dm[20]=65.9; | |
4b0fdcad | 628 | |
4b0fdcad | 629 | // |
37831078 | 630 | |
79575d04 | 631 | dm[21]=253.6; |
632 | dm[22]=65.6; | |
f4900c61 | 633 | dm[23]=74.6; |
37831078 | 634 | |
4b0fdcad | 635 | // |
4b0fdcad | 636 | |
f4900c61 | 637 | dm[24]=256.6; |
79575d04 | 638 | dm[25]=65.6; |
f4900c61 | 639 | dm[26]=74.6; |
37831078 | 640 | |
79575d04 | 641 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
37831078 | 642 | |
79575d04 | 643 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
37831078 | 644 | |
79575d04 | 645 | // reflection matrix |
646 | ||
647 | theta1 = 90.; | |
648 | phi1 = 0.; | |
649 | theta2 = 90.; | |
650 | phi2 = 270.; | |
651 | theta3 = 180.; | |
652 | phi3 = 0.; | |
4b0fdcad | 653 | |
79575d04 | 654 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
4b0fdcad | 655 | |
79575d04 | 656 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
657 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 658 | |
37831078 | 659 | |
79575d04 | 660 | //--------------------------------------------------------- |
661 | // Tpc Inner Containment vessel - Middle part -Al | |
662 | //--------------------------------------------------------- | |
37831078 | 663 | |
79575d04 | 664 | dm[0]=0.; |
665 | dm[1]=360.; | |
666 | dm[2]=6.; | |
37831078 | 667 | |
4b0fdcad | 668 | // |
4b0fdcad | 669 | |
79575d04 | 670 | dm[3]=-71.6; |
671 | dm[4]=60.2; | |
672 | dm[5]=61.2; | |
37831078 | 673 | |
4b0fdcad | 674 | // |
37831078 | 675 | |
79575d04 | 676 | dm[6]=-69.1; |
677 | dm[7]=60.2; | |
678 | dm[8]=61.2; | |
37831078 | 679 | |
4b0fdcad | 680 | // |
37831078 | 681 | |
79575d04 | 682 | dm[9]=-69.1; |
cea9b4f7 | 683 | dm[10]=60.6224; |
79575d04 | 684 | dm[11]=61.2; |
37831078 | 685 | |
686 | // | |
687 | ||
79575d04 | 688 | dm[12]=69.1; |
cea9b4f7 | 689 | dm[13]=60.6224; |
79575d04 | 690 | dm[14]=61.2; |
37831078 | 691 | |
692 | // | |
693 | ||
79575d04 | 694 | dm[15]=69.1; |
695 | dm[16]=60.2; | |
696 | dm[17]=61.2; | |
37831078 | 697 | |
698 | // | |
699 | ||
79575d04 | 700 | dm[18]=71.6; |
701 | dm[19]=60.2; | |
702 | dm[20]=61.2; | |
37831078 | 703 | |
79575d04 | 704 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
37831078 | 705 | |
79575d04 | 706 | // Tpc Sandwich 15 - Al |
37831078 | 707 | |
cea9b4f7 | 708 | dm[0]=60.6224; |
79575d04 | 709 | dm[1]=61.2; |
710 | dm[2]=70.1; | |
37831078 | 711 | |
79575d04 | 712 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
37831078 | 713 | |
79575d04 | 714 | // Tpc Sandwich 16 - epoxy glue |
37831078 | 715 | |
79575d04 | 716 | dm[0] += 5.e-3; |
717 | dm[1] -= 5.e-3; | |
37831078 | 718 | |
79575d04 | 719 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
37831078 | 720 | |
6a905708 | 721 | // Tpc Sandwich 17 - Tedlar |
37831078 | 722 | |
79575d04 | 723 | dm[0] += 0.01; |
724 | dm[1] -= 0.01; | |
37831078 | 725 | |
6a905708 | 726 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 727 | |
cea9b4f7 | 728 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 729 | |
cea9b4f7 | 730 | dm[0] += 3.8e-3; |
731 | dm[1] -= 3.8e-3; | |
37831078 | 732 | |
cea9b4f7 | 733 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 734 | |
79575d04 | 735 | // Tpc Sandwich 19 - Nomex |
37831078 | 736 | |
cea9b4f7 | 737 | dm[0] += 0.02; |
738 | dm[1] -= 0.02; | |
37831078 | 739 | |
90222263 | 740 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 741 | |
79575d04 | 742 | // 19->18->17->16->15-> TICM |
37831078 | 743 | |
79575d04 | 744 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 745 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 746 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
747 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 748 | |
79575d04 | 749 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
750 | ||
37831078 | 751 | |
79575d04 | 752 | // TPc inner cont. vessel Joints |
37831078 | 753 | |
79575d04 | 754 | dm[0]=60.2; |
755 | dm[1]=61.2; | |
756 | dm[2]=0.5; | |
37831078 | 757 | |
79575d04 | 758 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 759 | |
79575d04 | 760 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
761 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 762 | |
79575d04 | 763 | // |
37831078 | 764 | |
79575d04 | 765 | dm[0]=0.; |
766 | dm[1]=360.; | |
767 | dm[2]=4.; | |
37831078 | 768 | |
79575d04 | 769 | // |
37831078 | 770 | |
79575d04 | 771 | dm[3]=70.8; |
772 | dm[4]=58.4; | |
773 | dm[5]=60.1; | |
37831078 | 774 | |
79575d04 | 775 | // |
37831078 | 776 | |
79575d04 | 777 | dm[6]=71.2; |
778 | dm[7]=58.4; | |
779 | dm[8]=60.1; | |
37831078 | 780 | |
79575d04 | 781 | // |
37831078 | 782 | |
79575d04 | 783 | dm[9]=71.2; |
784 | dm[10]=58.4; | |
785 | dm[11]=59.4; | |
37831078 | 786 | |
79575d04 | 787 | // |
37831078 | 788 | |
79575d04 | 789 | dm[12]=71.6; |
790 | dm[13]=58.4; | |
791 | dm[14]=59.4; | |
37831078 | 792 | |
79575d04 | 793 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 794 | |
79575d04 | 795 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
796 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 797 | |
37831078 | 798 | |
37831078 | 799 | |
79575d04 | 800 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 801 | |
79575d04 | 802 | dm[0]=58.4; |
803 | dm[1]=61.2; | |
804 | dm[2]=0.1; | |
37831078 | 805 | |
79575d04 | 806 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 807 | |
79575d04 | 808 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
809 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 810 | |
79575d04 | 811 | // TICM -> TPC |
37831078 | 812 | |
79575d04 | 813 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 814 | |
79575d04 | 815 | // |
37831078 | 816 | |
79575d04 | 817 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 818 | |
819 | //--------------------------------------------------------- | |
820 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
821 | // and its daughters (HV membrane, rods, readout chambers) | |
822 | //--------------------------------------------------------- | |
823 | ||
824 | dm[0]= 79.2; | |
825 | dm[1]= 258.0; | |
826 | dm[2]= 253.6; | |
827 | ||
79575d04 | 828 | gMC->Gsvolu("TDGS","TUBE",idtmed[2],dm,3); |
37831078 | 829 | |
830 | // sector opening angles | |
831 | ||
832 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
833 | ||
834 | // sector angle shift | |
835 | ||
836 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
837 | ||
838 | // number of sectors | |
839 | ||
840 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; | |
841 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
842 | ||
843 | // All above parameters are identical for inner and outer | |
844 | // sectors. The distinction is kept for the historical reasons | |
845 | // and eventually will disappear. | |
846 | ||
847 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
848 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
849 | Float_t space; | |
850 | ||
851 | //------------------------------------------------------------------------- | |
852 | // Tpc Inner Readout Chambers | |
853 | //------------------------------------------------------------------------- | |
854 | ||
855 | dm[0]= 14.483; | |
856 | dm[1]= 23.3345; | |
857 | dm[2]= 1.6; // thickness | |
858 | dm[3]= 25.1; | |
859 | ||
860 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
861 | ||
862 | // this volume will be positioned in the empty space | |
863 | // of the end-cap to avoid overlaps | |
864 | ||
865 | dm[0]= 13.7305; | |
866 | dm[1]= 21.1895; | |
867 | dm[2]= 2.25; | |
868 | dm[3]= 21.15; | |
869 | ||
870 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
871 | ||
872 | ||
873 | //------------------------------------------------ | |
874 | // Tpc Inner readout chamber Pad Plane | |
875 | //------------------------------------------------ | |
876 | ||
877 | dm[0]= 14.483; | |
878 | dm[1]= 23.3345; | |
879 | dm[2]= 0.5; | |
880 | dm[3]= 25.1; | |
881 | ||
882 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
883 | ||
884 | // | |
885 | ||
886 | dm[0] -= 1.218511934; | |
887 | dm[1] -= 1.218511934; | |
888 | dm[2] = 0.35; | |
889 | ||
79575d04 | 890 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); |
37831078 | 891 | |
892 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
893 | ||
894 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
895 | ||
896 | ||
897 | //---------------------------------------------- | |
898 | // Tpc Readout Chambers Empty spaces - for both | |
899 | // inner and outer sectors | |
900 | //---------------------------------------------- | |
901 | ||
902 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
903 | ||
904 | // Inner sector - 4 spaces | |
905 | ||
906 | ||
907 | dm[3] = 4.7625; | |
908 | dm[0] = 12.472; | |
909 | ||
910 | Float_t rr = 90.52; | |
911 | Float_t zz; | |
912 | ||
913 | zz= -12.7875; | |
914 | ||
915 | space = rr*tanAlpha-dm[0]; | |
916 | ||
917 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
918 | ||
919 | rr += 9.525; | |
920 | dm[1]= rr*tanAlpha - space; | |
921 | ||
922 | dm[2]=0.8; | |
923 | ||
924 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
925 | ||
926 | // | |
927 | ||
79575d04 | 928 | dm[2] = 1.2; |
37831078 | 929 | |
930 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
931 | ||
932 | rr += 0.4; | |
933 | dm[0] = rr*tanAlpha - space; | |
934 | zz += (0.4+9.525); | |
935 | ||
936 | } | |
937 | ||
938 | dm[0]= 12.472; | |
939 | // dm[1] - this is the dm[1] from the previous TRCE | |
940 | dm[2]= 1.05; | |
941 | dm[3]= 19.65; | |
942 | ||
79575d04 | 943 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 944 | |
945 | // | |
946 | // TPc Space for Connectors | |
947 | // | |
948 | ||
949 | dm[0]= .3; | |
950 | dm[1]= .3; | |
951 | dm[2]= 4.5; | |
952 | ||
953 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
954 | ||
955 | // TPC Connectors | |
956 | ||
957 | dm[0]= .25; | |
958 | dm[1]= .15; | |
959 | dm[2]= 3.75; | |
960 | ||
961 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
962 | ||
963 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
964 | ||
965 | zz = -12.7875; | |
966 | ||
967 | ||
968 | Float_t alpha; | |
969 | Float_t astep; | |
970 | ||
37831078 | 971 | // inner part of the inner sector - 2 x 20 holes |
972 | ||
973 | astep = 20.00096874/19.; | |
974 | ||
975 | alpha = 10.00048437-astep; | |
976 | ||
977 | Float_t x1,x2; | |
978 | ||
979 | x1 = 13.31175725; | |
980 | x1 -= 0.996357832; | |
981 | ||
982 | x2 = 15.06180253; | |
983 | x2 -= 1.163028812; | |
984 | ||
985 | Int_t ncon; | |
986 | ||
987 | for(ncon=0;ncon<20;ncon++){ | |
988 | ||
989 | phi1 = 0.; | |
990 | theta1 = 90.+alpha; | |
991 | phi2=90.; | |
992 | theta2 = 90.; | |
993 | phi3 = (alpha>0) ? 0. : 180.; | |
994 | theta3 = TMath::Abs(alpha); | |
995 | ||
996 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
997 | ||
998 | ||
999 | ||
1000 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1001 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1002 | ||
1003 | ||
1004 | x1 -= 1.296357833; | |
1005 | x2 -= 1.463028812; | |
1006 | ||
1007 | alpha -= astep; | |
1008 | nRotMat++; | |
1009 | ||
1010 | } | |
1011 | ||
1012 | // outer part of the inner sector - 2 x 25 holes | |
1013 | ||
1014 | astep = 20.00096874/24.; | |
1015 | alpha = 10.00048437-astep; | |
1016 | ||
1017 | x1 = 16.81184781; | |
1018 | x1 -= 1.016295986; | |
1019 | ||
1020 | x2 = 18.5618931; | |
1021 | x2 -= 1.150914854; | |
1022 | ||
1023 | for(ncon=0;ncon<25;ncon++){ | |
1024 | ||
1025 | phi1 = 0.; | |
1026 | theta1 = 90.+alpha; | |
1027 | phi2=90.; | |
1028 | theta2 = 90.; | |
1029 | phi3 = (alpha>0) ? 0. : 180.; | |
1030 | theta3 = TMath::Abs(alpha); | |
1031 | ||
1032 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1033 | ||
1034 | ||
1035 | ||
1036 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1037 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1038 | ||
1039 | ||
1040 | x1 -= 1.316295986; | |
1041 | x2 -= 1.450914854; | |
1042 | ||
1043 | alpha -= astep; | |
1044 | nRotMat++; | |
1045 | ||
1046 | } | |
1047 | ||
1048 | //-------------------------------------------------------------------------- | |
1049 | // TPC Outer Readout Chambers | |
1050 | // this is NOT a final design | |
1051 | //-------------------------------------------------------------------------- | |
1052 | ||
1053 | dm[0]= 23.3875; | |
1054 | dm[1]= 43.524; | |
1055 | dm[2]= 1.5; //thickness | |
1056 | dm[3]= 57.1; | |
1057 | ||
1058 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1059 | ||
1060 | //------------------------------------------------ | |
79575d04 | 1061 | // Tpc Outer readout chamber Pad Plane |
37831078 | 1062 | //------------------------------------------------ |
1063 | ||
1064 | dm[2]= 0.5; | |
1065 | ||
1066 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1067 | ||
1068 | dm[0] -= 1.218511934; | |
1069 | dm[1] -= 1.218511934; | |
1070 | dm[2] = 0.35; | |
1071 | ||
79575d04 | 1072 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); |
37831078 | 1073 | |
1074 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1075 | ||
1076 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1077 | ||
1078 | // empty space | |
1079 | ||
37831078 | 1080 | dm[0]= 21.035; |
1081 | dm[1]= 38.7205; | |
1082 | dm[2]= 0.7; | |
1083 | dm[3]= 50.15; | |
1084 | ||
1085 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1086 | ||
1087 | dm[0]= 22.2935; | |
1088 | dm[1]= 40.5085; | |
1089 | dm[2]= 2.25; | |
1090 | dm[3]= 51.65; | |
1091 | ||
1092 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1093 | ||
37831078 | 1094 | dm[0]= 21.35; |
1095 | dm[1]= 38.7205; | |
1096 | dm[2]= 2.25; | |
1097 | dm[3]= 50.15; | |
1098 | ||
79575d04 | 1099 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1100 | |
1101 | //----------------------------------------------- | |
1102 | // Tpc Services Support Wheel | |
1103 | //----------------------------------------------- | |
1104 | ||
1105 | dm[0]=0.; | |
1106 | dm[1]=360.; | |
1107 | dm[2]=18.; | |
1108 | dm[3]=2.; | |
1109 | ||
1110 | dm[4]= -5.; | |
1111 | dm[5]= 77.017; | |
1112 | dm[6]= 255.267; | |
1113 | ||
1114 | dm[7]= 5.; | |
1115 | dm[8]= dm[5]; | |
1116 | dm[9]= dm[6]; | |
1117 | ||
1118 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1119 | ||
1120 | // Tpc Services Wheel Cover | |
1121 | ||
1122 | dm[4]= -0.5; | |
1123 | dm[7]= 0.5; | |
1124 | ||
1125 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1126 | ||
1127 | // Tpc Service wheel Cover Empty space | |
1128 | ||
1129 | dm[0]= 10.99; | |
1130 | dm[1]= 39.599; | |
1131 | dm[2]= .5; | |
1132 | dm[3]= 81.125; | |
1133 | ||
1134 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1135 | ||
1136 | // Tpc services Wheel Empty Spaces | |
1137 | ||
1138 | dm[0]= 13.18017507; | |
1139 | dm[1]= 44.61045938; | |
1140 | dm[2]= 4.; | |
1141 | dm[3]= 89.125; | |
1142 | ||
1143 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1144 | ||
1145 | // Tpc Services Wheel Bars | |
1146 | ||
1147 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1148 | ||
1149 | // bars-> TWES | |
1150 | ||
1151 | dm[2]= 4.; | |
1152 | dm[3]= .4; | |
1153 | ||
1154 | dm[0]= 13.8149522; | |
1155 | dm[1]= 13.95601379; | |
1156 | ||
1157 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1158 | ||
1159 | dm[0]= 43.83462067; | |
1160 | dm[1]= 43.97568225; | |
1161 | ||
1162 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1163 | ||
1164 | // TPc ELectronics - right now 30% X0 Si | |
1165 | ||
1166 | dm[0]= 14.03813696; | |
1167 | dm[1]= 43.3524075; | |
1168 | dm[2]= 1.404; | |
1169 | dm[3]= 83.125; | |
1170 | ||
1171 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1172 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1173 | ||
37831078 | 1174 | //-------------------------------------------------------------------------- |
1175 | // End caps | |
1176 | //-------------------------------------------------------------------------- | |
1177 | ||
1178 | // TPc Main Wheel - Al | |
1179 | ||
79575d04 | 1180 | dm[0]= 74.9; |
1181 | dm[1]= 264.4; | |
37831078 | 1182 | dm[2]= 3.0; |
1183 | ||
1184 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1185 | ||
37831078 | 1186 | //-------------------------------------------------------------------------- |
1187 | // Tpc Empty Space for the Readout chambers | |
1188 | //-------------------------------------------------------------------------- | |
1189 | ||
1190 | Float_t rLow= 86.2; | |
1191 | Float_t rUp= 243.5; | |
1192 | Float_t dR = 0.5*(rUp-rLow); | |
1193 | ||
79575d04 | 1194 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1195 | |
1196 | dm[0]= rLow*tanAlpha-space; | |
1197 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1198 | dm[2] = 3.0; |
37831078 | 1199 | dm[3]= dR; |
1200 | ||
1201 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1202 | ||
1203 | // TIC1->TESR | |
1204 | ||
37831078 | 1205 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1206 | ||
37831078 | 1207 | // TOC1->TESR |
1208 | ||
1209 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1210 | ||
1211 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1212 | ||
1213 | Float_t zBar; | |
1214 | ||
1215 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1216 | ||
1217 | // lower bar | |
1218 | ||
1219 | dm[0]= rLow*tanAlpha-space; | |
1220 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1221 | dm[2]= 2.25; |
37831078 | 1222 | dm[3]= 1.275; |
1223 | ||
1224 | zBar = -dR+dm[3]; | |
1225 | ||
79575d04 | 1226 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1227 | |
1228 | // middle bar | |
1229 | ||
1230 | dm[0]= 131.65*tanAlpha-space; | |
1231 | dm[1]= 136.5*tanAlpha-space; | |
1232 | dm[3]= 2.425; | |
1233 | ||
1234 | zBar = -dR +131.65+dm[3]-rLow; | |
1235 | ||
79575d04 | 1236 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1237 | |
1238 | // upper bar | |
1239 | ||
1240 | dm[0]= 240.4*tanAlpha-space; | |
1241 | dm[1]= rUp*tanAlpha-space; | |
1242 | dm[3]= 1.55; | |
1243 | ||
1244 | zBar = dR-dm[3]; | |
1245 | ||
79575d04 | 1246 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1247 | |
1248 | // positioning of the empty spaces into the main wheel | |
1249 | ||
1250 | Float_t rCenter,xc,yc; | |
1251 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1252 | ||
1253 | rCenter = rLow+dR; | |
1254 | ||
1255 | rInner = 108.07; | |
1256 | rOuter = 190.68; | |
1257 | ||
79575d04 | 1258 | |
37831078 | 1259 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1260 | ||
1261 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1262 | phi1 *= kRaddeg; // in degrees | |
1263 | ||
1264 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1265 | ||
1266 | if (phi1 > 360.) phi1 -= 360.; | |
1267 | ||
1268 | theta1 = 90.; | |
1269 | phi2 = 90.; | |
1270 | theta2 = 180.; | |
1271 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1272 | phi3 *= kRaddeg; // in degrees | |
1273 | ||
1274 | phi3 = (Float_t)TMath::Nint(phi3); | |
1275 | ||
1276 | if(phi3 > 360.) phi3 -= 360.; | |
1277 | ||
1278 | theta3 = 90.; | |
1279 | ||
1280 | // "holes"->End plate | |
1281 | ||
1282 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1283 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1284 | ||
1285 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1286 | ||
1287 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1288 | ||
1289 | // TSCE->TSWC (services wheel volumes) | |
1290 | ||
1291 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1292 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1293 | ||
1294 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1295 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1296 | ||
1297 | ||
1298 | // readout chambers->TDGS (drift gas) | |
1299 | ||
1300 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1301 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1302 | ||
1303 | gMC->Gspos("TIRC",ns+1,"TDGS",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1304 | ||
1305 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1306 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1307 | ||
1308 | gMC->Gspos("TORC",ns+1,"TDGS",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1309 | ||
1310 | nRotMat++; | |
1311 | ||
1312 | theta2 = 0.; // reflection | |
1313 | ||
1314 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1315 | ||
1316 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1317 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1318 | ||
1319 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGS",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1320 | ||
1321 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1322 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1323 | ||
1324 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGS",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1325 | ||
1326 | nRotMat++; | |
1327 | ||
37831078 | 1328 | } |
37831078 | 1329 | // TPMW->TPC |
1330 | ||
1331 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1332 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
1333 | ||
1334 | //--------------------------------------------------------- | |
1335 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1336 | //--------------------------------------------------------- | |
37831078 | 1337 | |
79575d04 | 1338 | dm[0]=82.8; |
1339 | dm[1]=252.; | |
1340 | dm[2]=0.005; | |
37831078 | 1341 | |
79575d04 | 1342 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1343 | |
79575d04 | 1344 | gMC->Gspos("THVM",1,"TDGS",0.,0.,0.,0,"ONLY"); |
37831078 | 1345 | |
79575d04 | 1346 | // Tpc High Voltage membrane Holders |
37831078 | 1347 | |
79575d04 | 1348 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1349 | |
79575d04 | 1350 | |
37831078 | 1351 | |
79575d04 | 1352 | // inner |
37831078 | 1353 | |
79575d04 | 1354 | dm[0]=79.3; |
1355 | dm[1]=82.8; | |
1356 | dm[2]=0.2; | |
37831078 | 1357 | |
79575d04 | 1358 | gMC->Gsposp("THVH",1,"TDGS",0.,0.,0.,0,"ONLY",dm,3); |
1359 | ||
1360 | // outer | |
37831078 | 1361 | |
79575d04 | 1362 | dm[0]= 252.; |
1363 | dm[1]= 257.9; | |
1364 | dm[2]= 0.4; | |
1365 | ||
1366 | gMC->Gsposp("THVH",2,"TDGS",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1367 | |
1368 | //---------------------------------------------------------- | |
1369 | // TPc Support Rods - MAKROLON | |
1370 | //---------------------------------------------------------- | |
1371 | ||
1372 | dm[0]= 0.9; | |
1373 | dm[1]= 1.2; | |
37831078 | 1374 | |
79575d04 | 1375 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1376 | |
79575d04 | 1377 | |
1378 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1379 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1380 | ||
79575d04 | 1381 | xc=81.5*TMath::Cos(angle); |
1382 | yc=81.5*TMath::Sin(angle); | |
37831078 | 1383 | |
79575d04 | 1384 | dm[2]=126.7; |
37831078 | 1385 | |
79575d04 | 1386 | gMC->Gsposp("TPSR",nrod+1,"TDGS",xc,yc,126.9,0,"ONLY",dm,3); |
1387 | gMC->Gsposp("TPSR",nrod+19,"TDGS",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1388 | |
79575d04 | 1389 | dm[2]=126.6; |
37831078 | 1390 | |
79575d04 | 1391 | xc=254.25*TMath::Cos(angle); |
1392 | yc=254.25*TMath::Sin(angle); | |
1393 | ||
1394 | // rod number 54 contans the HV cable | |
1395 | ||
1396 | if(nrod<17) { | |
1397 | gMC->Gsposp("TPSR",nrod+37,"TDGS",xc,yc,127.,0,"ONLY",dm,3); | |
1398 | gMC->Gsposp("TPSR",nrod+54,"TDGS",xc,yc,-127.,0,"ONLY",dm,3); | |
1399 | } | |
1400 | ||
37831078 | 1401 | } |
1402 | ||
1403 | //---------------------------------------------------------- | |
79575d04 | 1404 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1405 | //---------------------------------------------------------- |
1406 | ||
1407 | // rod with cable (Left) | |
1408 | ||
1409 | dm[0]=0.; | |
1410 | dm[1]=2.25; | |
79575d04 | 1411 | dm[2]=126.6; |
37831078 | 1412 | |
1413 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1414 | ||
1415 | // HV cable | |
1416 | ||
1417 | dm[0]=0.; | |
1418 | dm[1]=0.3; | |
79575d04 | 1419 | dm[2]=126.6; |
37831078 | 1420 | |
79575d04 | 1421 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1422 | |
1423 | // empty space | |
1424 | ||
1425 | dm[0]=0.3; | |
1426 | dm[1]=1.; | |
79575d04 | 1427 | dm[2]=126.6; |
37831078 | 1428 | |
1429 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1430 | ||
1431 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1432 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1433 | ||
1434 | // rod without cable | |
1435 | ||
1436 | dm[0]=1.8; | |
1437 | dm[1]=2.25; | |
79575d04 | 1438 | dm[2]=126.6; |
37831078 | 1439 | |
1440 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1441 | ||
79575d04 | 1442 | gMC->Gspos("THVL",1,"TDGS",xc,yc,-127.,0,"ONLY"); |
1443 | gMC->Gspos("THVR",1,"TDGS",xc,yc,127.,0,"ONLY"); | |
37831078 | 1444 | |
1445 | gMC->Gspos("TDGS",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1446 | |
37831078 | 1447 | // services wheel cover -> wheel |
1448 | ||
1449 | ||
1450 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1451 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1452 | ||
1453 | ||
1454 | // put the wheel into the TPC | |
1455 | ||
1456 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1457 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1458 | ||
79575d04 | 1459 | // |
1460 | ||
37831078 | 1461 | gMC->Gsord("TPMW",6); |
1462 | gMC->Gsord("TSSW",6); | |
1463 | gMC->Gsord("TSWC",6); | |
1464 | ||
1465 | // put the TPC into ALIC (main mother volume) | |
1466 | ||
1467 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); | |
1468 | ||
1469 | ||
1470 | } // end of function | |
37831078 | 1471 | |
1472 | //_____________________________________________________________________________ | |
1473 | void AliTPCv3::DrawDetector() | |
1474 | { | |
1475 | // | |
79575d04 | 1476 | // Draw a shaded view of the Time Projection Chamber version 3 |
37831078 | 1477 | // |
1478 | ||
1479 | ||
1480 | // Set everything unseen | |
1481 | gMC->Gsatt("*", "seen", -1); | |
1482 | // | |
1483 | // Set ALIC mother transparent | |
1484 | gMC->Gsatt("ALIC","SEEN",0); | |
1485 | // | |
1486 | // Set the volumes visible | |
1487 | // | |
1488 | ||
1489 | gMC->Gsatt("TPC ","SEEN",0); | |
1490 | gMC->Gsatt("TOIN","SEEN",1); | |
1491 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1492 | gMC->Gsatt("TOCV","SEEN",1); |
1493 | gMC->Gsatt("TOCV","COLO",4); | |
1494 | gMC->Gsatt("TSA1","SEEN",0); | |
1495 | gMC->Gsatt("TSA2","SEEN",0); | |
1496 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1497 | gMC->Gsatt("TSA4","SEEN",0); |
1498 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1499 | gMC->Gsatt("TOFC","SEEN",1); |
1500 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1501 | gMC->Gsatt("TSA6","SEEN",0); |
1502 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1503 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1504 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1505 | gMC->Gsatt("TIIN","COLO",7); |
1506 | gMC->Gsatt("TII1","SEEN",0); | |
1507 | gMC->Gsatt("TIFC","SEEN",1); | |
1508 | gMC->Gsatt("TIFC","COLO",4); | |
1509 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1510 | gMC->Gsatt("TS10","SEEN",0); |
1511 | gMC->Gsatt("TS11","SEEN",0); | |
1512 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1513 | gMC->Gsatt("TS13","SEEN",0); |
1514 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1515 | gMC->Gsatt("TICC","SEEN",0); |
1516 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1517 | gMC->Gsatt("TS15","SEEN",0); |
1518 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1519 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1520 | gMC->Gsatt("TS18","SEEN",0); |
1521 | gMC->Gsatt("TS19","SEEN",0); | |
1522 | gMC->Gsatt("TPJ1","SEEN",0); | |
1523 | gMC->Gsatt("TPJ2","SEEN",0); | |
1524 | gMC->Gsatt("TICS","SEEN",0); | |
1525 | gMC->Gsatt("TDGS","SEEN",0); | |
37831078 | 1526 | gMC->Gsatt("TIRC","SEEN",0); |
1527 | gMC->Gsatt("TIC1","SEEN",1); | |
1528 | gMC->Gsatt("TIPP","SEEN",0); | |
1529 | gMC->Gsatt("TIC3","SEEN",0); | |
1530 | gMC->Gsatt("TRCE","SEEN",0); | |
1531 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1532 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1533 | gMC->Gsatt("TORC","SEEN",0); |
1534 | gMC->Gsatt("TOPP","SEEN",0); | |
1535 | gMC->Gsatt("TOC3","SEEN",0); | |
1536 | gMC->Gsatt("TOC1","SEEN",1); | |
1537 | gMC->Gsatt("TSSW","SEEN",1); | |
1538 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1539 | gMC->Gsatt("TSSW","COLO",3); |
1540 | gMC->Gsatt("TSWC","COLO",3); | |
1541 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1542 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1543 | gMC->Gsatt("TWES","SEEN",0); |
1544 | gMC->Gsatt("TSWB","SEEN",0); | |
1545 | gMC->Gsatt("TPEL","SEEN",0); | |
1546 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1547 | gMC->Gsatt("TESR","SEEN",1); |
1548 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1549 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1550 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1551 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1552 | gMC->Gsatt("THVM","SEEN",1); |
1553 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1554 | gMC->Gsatt("THVH","SEEN",0); |
1555 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1556 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1557 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1558 | gMC->Gsatt("THVE","SEEN",0); |
1559 | gMC->Gsatt("THVR","SEEN",0); | |
1560 | ||
1561 | // | |
1562 | gMC->Gdopt("hide", "on"); | |
1563 | gMC->Gdopt("shad", "on"); | |
1564 | gMC->Gsatt("*", "fill", 7); | |
1565 | gMC->SetClipBox("."); | |
1566 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1567 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1568 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1569 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1570 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1571 | gMC->DefaultRange(); | |
1572 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1573 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1574 | gMC->Gdman(18, 4, "MAN"); | |
1575 | gMC->Gdopt("hide","off"); | |
1576 | } | |
1577 | ||
1578 | //_____________________________________________________________________________ | |
1579 | void AliTPCv3::CreateMaterials() | |
1580 | { | |
1581 | // | |
1582 | // Define materials for version 2 of the Time Projection Chamber | |
1583 | // | |
1584 | ||
1585 | ||
1586 | // | |
1587 | AliTPC::CreateMaterials(); | |
1588 | } | |
1589 | ||
1590 | //_____________________________________________________________________________ | |
1591 | void AliTPCv3::Init() | |
1592 | { | |
1593 | // | |
1594 | // Initialises version 3 of the TPC after that it has been built | |
1595 | // | |
1596 | Int_t *idtmed = fIdtmed->GetArray(); | |
4b0fdcad | 1597 | |
1598 | AliTPC::Init(); | |
1599 | ||
37831078 | 1600 | fIdSens=gMC->VolId("TDGS"); // drift gas as a sensitive volume |
4b0fdcad | 1601 | |
1602 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1603 | ||
37831078 | 1604 | gMC->Gstpar(idtmed[2],"LOSS",5); |
4b0fdcad | 1605 | |
13a8c8d7 | 1606 | printf("%s: *** TPC version 3 initialized***\n",ClassName()); |
1607 | ||
1608 | printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep()); | |
1609 | ||
1610 | // printf("*** TPC version 3 initialized ***\n"); | |
1611 | // printf("Maximum number of steps = %d\n",gMC->GetMaxNStep()); | |
4b0fdcad | 1612 | |
1613 | // | |
1614 | ||
1615 | } | |
1616 | ||
1617 | //_____________________________________________________________________________ | |
1618 | void AliTPCv3::StepManager() | |
1619 | { | |
1620 | // | |
1621 | // Called for every step in the Time Projection Chamber | |
1622 | // | |
1623 | ||
1624 | // | |
1625 | // parameters used for the energy loss calculations | |
1626 | // | |
73042f01 | 1627 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1628 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1629 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
4b0fdcad | 1630 | |
1631 | ||
73042f01 | 1632 | const Float_t kbig = 1.e10; |
4b0fdcad | 1633 | |
1634 | Int_t id,copy; | |
1635 | TLorentzVector pos; | |
1636 | Float_t hits[4]; | |
1637 | Int_t vol[2]; | |
4b0fdcad | 1638 | |
1639 | vol[1]=0; | |
1640 | vol[0]=0; | |
1641 | ||
1642 | // | |
1643 | ||
73042f01 | 1644 | gMC->SetMaxStep(kbig); |
4b0fdcad | 1645 | |
1646 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
1647 | ||
1648 | Float_t charge = gMC->TrackCharge(); | |
1649 | ||
1650 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1651 | ||
1652 | ||
1653 | id=gMC->CurrentVolID(copy); | |
1654 | ||
1655 | // Check the sensitive volume | |
1656 | ||
37831078 | 1657 | if (id != fIdSens) return; |
4b0fdcad | 1658 | |
1659 | // | |
1660 | // charged particle is in the sensitive volume | |
1661 | // | |
1662 | ||
1663 | if(gMC->TrackStep() > 0) { | |
1664 | ||
1665 | ||
73042f01 | 1666 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
4b0fdcad | 1667 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1668 | ||
1669 | gMC->TrackPosition(pos); | |
1670 | hits[0]=pos[0]; | |
1671 | hits[1]=pos[1]; | |
1672 | hits[2]=pos[2]; | |
1673 | ||
1674 | // | |
1675 | // check the selected side of the TPC | |
1676 | // | |
1677 | ||
1678 | if(fSide && fSide*hits[2]<=0.) return; | |
1679 | ||
1680 | hits[3]=(Float_t)nel; | |
1681 | ||
1682 | // Add this hit | |
1683 | ||
5d12ce38 | 1684 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
4b0fdcad | 1685 | |
1686 | } | |
1687 | ||
1688 | // Stemax calculation for the next step | |
1689 | ||
1690 | Float_t pp; | |
1691 | TLorentzVector mom; | |
1692 | gMC->TrackMomentum(mom); | |
1693 | Float_t ptot=mom.Rho(); | |
73042f01 | 1694 | Float_t betaGamma = ptot/gMC->TrackMass(); |
4b0fdcad | 1695 | |
69e40cce | 1696 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1697 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
4b0fdcad | 1698 | { |
73042f01 | 1699 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
4b0fdcad | 1700 | } |
1701 | else | |
1702 | { | |
7b562732 | 1703 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); |
73042f01 | 1704 | pp=kprim*BetheBloch(betaGamma); |
4b0fdcad | 1705 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1706 | } | |
1707 | ||
b9d0a01d | 1708 | Double_t rnd = gMC->GetRandom()->Rndm(); |
4b0fdcad | 1709 | |
1710 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); | |
1711 | ||
1712 | } | |
1713 | ||
1714 | //_____________________________________________________________________________ | |
1715 | Float_t AliTPCv3::BetheBloch(Float_t bg) | |
1716 | { | |
1717 | // | |
1718 | // Bethe-Bloch energy loss formula | |
1719 | // | |
73042f01 | 1720 | const Double_t kp1=0.76176e-1; |
1721 | const Double_t kp2=10.632; | |
1722 | const Double_t kp3=0.13279e-4; | |
1723 | const Double_t kp4=1.8631; | |
1724 | const Double_t kp5=1.9479; | |
4b0fdcad | 1725 | |
1726 | Double_t dbg = (Double_t) bg; | |
1727 | ||
1728 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
1729 | ||
73042f01 | 1730 | Double_t aa = TMath::Power(beta,kp4); |
1731 | Double_t bb = TMath::Power(1./dbg,kp5); | |
4b0fdcad | 1732 | |
73042f01 | 1733 | bb=TMath::Log(kp3+bb); |
4b0fdcad | 1734 | |
73042f01 | 1735 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
4b0fdcad | 1736 | } |