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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 | // |
fe4da5cc | 19 | /////////////////////////////////////////////////////////////////////////////// |
20 | // // | |
21 | // Time Projection Chamber version 2 -- detailed TPC and slow simulation // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
1439f98e | 25 | <img src="picts/AliTPCv2Class.gif"> |
fe4da5cc | 26 | */ |
27 | //End_Html | |
28 | // // | |
29 | // // | |
30 | /////////////////////////////////////////////////////////////////////////////// | |
116cbefd | 31 | |
2a49965d | 32 | #include <stdlib.h> |
fe4da5cc | 33 | |
88cb7938 | 34 | #include <TLorentzVector.h> |
fe4da5cc | 35 | #include <TMath.h> |
116cbefd | 36 | #include <TPDGCode.h> |
f77f13c8 | 37 | #include <TVirtualMC.h> |
bcac8ae4 | 38 | |
fe4da5cc | 39 | #include "AliConst.h" |
f77f13c8 | 40 | #include "AliLog.h" |
41 | #include "AliMC.h" | |
116cbefd | 42 | #include "AliRun.h" |
43 | #include "AliTPCDigitsArray.h" | |
73042f01 | 44 | #include "AliTPCParam.h" |
45 | #include "AliTPCParamSR.h" | |
4ed5dced | 46 | #include "AliTPCTrackHitsV2.h" |
116cbefd | 47 | #include "AliTPCv2.h" |
6a905708 | 48 | |
fe4da5cc | 49 | ClassImp(AliTPCv2) |
50 | ||
51 | //_____________________________________________________________________________ | |
52 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
53 | AliTPC(name, title) | |
54 | { | |
55 | // | |
56 | // Standard constructor for Time Projection Chamber version 2 | |
57 | // | |
37831078 | 58 | fIdSens=0; |
59 | fIdLSec=0; | |
60 | fIdUSec=0; | |
61 | ||
fe4da5cc | 62 | SetBufferSize(128000); |
73042f01 | 63 | |
64 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); // Ne-CO2 90-10 | |
65 | ||
66 | // Default sectors | |
67 | ||
68 | SetSecAL(4); | |
69 | SetSecAU(4); | |
70 | SetSecLows(1, 2, 3, 19, 20, 21); | |
71 | SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1); | |
37831078 | 72 | SetSens(1); // sensitive strips set |
73042f01 | 73 | |
74 | if (fTPCParam) | |
75 | fTPCParam->Write(fTPCParam->GetTitle()); | |
fe4da5cc | 76 | } |
77 | ||
78 | //_____________________________________________________________________________ | |
79 | void AliTPCv2::CreateGeometry() | |
80 | { | |
81 | // | |
82 | // Create the geometry of Time Projection Chamber version 2 | |
83 | // | |
84 | //Begin_Html | |
85 | /* | |
37831078 | 86 | <img src="picts/AliTPC.gif"> |
fe4da5cc | 87 | */ |
88 | //End_Html | |
89 | //Begin_Html | |
90 | /* | |
1439f98e | 91 | <img src="picts/AliTPCv2Tree.gif"> |
fe4da5cc | 92 | */ |
93 | //End_Html | |
94 | ||
8c555625 | 95 | |
1283eee5 | 96 | Int_t *idtmed = fIdtmed->GetArray(); |
97 | ||
37831078 | 98 | Float_t dm[50]; |
62a73ee5 | 99 | Int_t idrotm[120]; |
1283eee5 | 100 | |
101 | Int_t nRotMat = 0; | |
102 | ||
d4c354b9 | 103 | Int_t i,ifl1=0; |
1283eee5 | 104 | |
37831078 | 105 | // number of sectors |
106 | ||
1283eee5 | 107 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; |
108 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
fe4da5cc | 109 | |
110 | // --------------------------------------------------- | |
111 | // sector specification check | |
88cb7938 | 112 | // --------------------------------------------------- |
fe4da5cc | 113 | if (fSecAL >= 0) { |
114 | ifl1 = 0; | |
115 | ||
116 | for (i = 0; i < 6; ++i) { | |
1283eee5 | 117 | if (fSecLows[i] >= 0 && fSecLows[i] < 2*nInnerSector) { |
88cb7938 | 118 | ifl1 = 1; |
f77f13c8 | 119 | AliInfo(Form("*** SECTOR %d selected",fSecLows[i])); |
fe4da5cc | 120 | } |
121 | } | |
122 | ||
123 | } else { | |
f77f13c8 | 124 | AliInfo("*** ALL LOWER SECTORS SELECTED ***"); |
8c555625 | 125 | ifl1 = 1; |
fe4da5cc | 126 | } |
127 | ||
d4c354b9 | 128 | if (ifl1 == 0) { |
f77f13c8 | 129 | AliError("*** AT LEAST ONE LOWER SECTOR MUST BE SPECIFIED ***"); |
130 | AliError("!!! PROGRAM STOPPED !!!"); | |
d4c354b9 | 131 | exit(1); |
132 | } | |
133 | ||
fe4da5cc | 134 | if (fSecAU >= 0) { |
fe4da5cc | 135 | |
136 | for (i = 0; i < 12; ++i) { | |
1283eee5 | 137 | if (fSecUps[i] > 2*nInnerSector-1 && |
138 | fSecUps[i] < 2*(nInnerSector+nOuterSector)) { | |
f77f13c8 | 139 | AliInfo(Form("*** SECTOR %d selected",fSecUps[i])); |
fe4da5cc | 140 | } |
141 | } | |
142 | ||
143 | } else { | |
f77f13c8 | 144 | AliInfo("*** ALL UPPER SECTORS SELECTED ***"); |
fe4da5cc | 145 | } |
146 | ||
d4c354b9 | 147 | |
37831078 | 148 | |
149 | //-------------------------------------------------------------------- | |
150 | ||
151 | // | |
79575d04 | 152 | // Mother volume TPC (Air) - all volumes will be positioned in it |
37831078 | 153 | // |
79575d04 | 154 | |
37831078 | 155 | dm[0]=0.; |
156 | dm[1]=360.; | |
79575d04 | 157 | dm[2]=8.; |
1283eee5 | 158 | |
37831078 | 159 | // |
1283eee5 | 160 | |
79575d04 | 161 | dm[3]=-283.7; |
2a1efbbd | 162 | dm[4]=77.017; |
79575d04 | 163 | dm[5]=278.; |
1283eee5 | 164 | |
37831078 | 165 | // |
1283eee5 | 166 | |
79575d04 | 167 | dm[6]=-253.6; |
168 | dm[7]=65.6; | |
169 | dm[8]=278.; | |
1283eee5 | 170 | |
37831078 | 171 | // |
1283eee5 | 172 | |
79575d04 | 173 | dm[9]=-73.3; |
174 | dm[10]=60.9; | |
175 | dm[11]=278.; | |
1283eee5 | 176 | |
37831078 | 177 | // |
1283eee5 | 178 | |
79575d04 | 179 | dm[12]=-73.3; |
180 | dm[13]=56.9; | |
181 | dm[14]=278.; | |
1283eee5 | 182 | |
37831078 | 183 | // |
1283eee5 | 184 | |
79575d04 | 185 | dm[15]=73.3; |
186 | dm[16]=56.9; | |
187 | dm[17]=278.; | |
1283eee5 | 188 | |
37831078 | 189 | // |
1283eee5 | 190 | |
79575d04 | 191 | dm[18]=73.3; |
192 | dm[19]=60.9; | |
193 | dm[20]=278.; | |
1283eee5 | 194 | |
37831078 | 195 | // |
1283eee5 | 196 | |
79575d04 | 197 | dm[21]=253.6; |
198 | dm[22]=65.6; | |
199 | dm[23]=278.; | |
1283eee5 | 200 | |
37831078 | 201 | // |
1283eee5 | 202 | |
79575d04 | 203 | dm[24]=283.7; |
2a1efbbd | 204 | dm[25]=77.017; |
79575d04 | 205 | dm[26]=278.; |
206 | ||
207 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 208 | |
79575d04 | 209 | // outer part |
1283eee5 | 210 | |
37831078 | 211 | //------------------------------------------------------------------- |
79575d04 | 212 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 213 | //------------------------------------------------------------------- |
1283eee5 | 214 | |
37831078 | 215 | dm[0]= 0.; |
216 | dm[1]= 360.; | |
217 | dm[2]= 6.; | |
1283eee5 | 218 | |
37831078 | 219 | // |
1283eee5 | 220 | |
79575d04 | 221 | dm[3]=-253.6; |
222 | dm[4]=258.; | |
223 | dm[5]=275.5; | |
1283eee5 | 224 | |
37831078 | 225 | // |
1283eee5 | 226 | |
79575d04 | 227 | dm[6]=-250.6; |
228 | dm[7]=258.; | |
229 | dm[8]=275.5; | |
1283eee5 | 230 | |
37831078 | 231 | // |
cc80f89e | 232 | |
79575d04 | 233 | dm[9]=-250.6; |
234 | dm[10]=258.; | |
235 | dm[11]=278.; | |
1283eee5 | 236 | |
79575d04 | 237 | // |
1283eee5 | 238 | |
79575d04 | 239 | dm[12]=253.6; |
240 | dm[13]=258.; | |
241 | dm[14]=278.; | |
1283eee5 | 242 | |
37831078 | 243 | // |
1283eee5 | 244 | |
79575d04 | 245 | dm[15]=253.6; |
246 | dm[16]=264.8; | |
247 | dm[17]=278.; | |
1283eee5 | 248 | |
37831078 | 249 | // |
1283eee5 | 250 | |
79575d04 | 251 | dm[18]=256.6; |
252 | dm[19]=264.8; | |
253 | dm[20]=278.; | |
1283eee5 | 254 | |
79575d04 | 255 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 256 | |
37831078 | 257 | //---------------------------------------------------------------- |
258 | // Tpc Outer Contaiment Vessel | |
259 | // mother volume - Al, daughters - composite (sandwich) | |
260 | //---------------------------------------------------------------- | |
79575d04 | 261 | |
262 | dm[0]=0.; | |
263 | dm[1]=360.; | |
720b23b8 | 264 | dm[2]=6.; |
1283eee5 | 265 | |
37831078 | 266 | // |
cc80f89e | 267 | |
79575d04 | 268 | dm[3]=-250.6; |
269 | dm[4]=270.4; | |
270 | dm[5]=278.; | |
1283eee5 | 271 | |
37831078 | 272 | // |
1283eee5 | 273 | |
79575d04 | 274 | dm[6]=-247.6; |
275 | dm[7]=270.4; | |
276 | dm[8]=278.; | |
1283eee5 | 277 | |
37831078 | 278 | // |
79575d04 | 279 | |
280 | dm[9]=-247.6; | |
cea9b4f7 | 281 | dm[10]=274.8124; |
79575d04 | 282 | dm[11]=278.; |
283 | ||
37831078 | 284 | // |
1283eee5 | 285 | |
79575d04 | 286 | dm[12]=253.6; |
cea9b4f7 | 287 | dm[13]=274.8124; |
79575d04 | 288 | dm[14]=278.; |
1283eee5 | 289 | |
720b23b8 | 290 | // |
1283eee5 | 291 | |
79575d04 | 292 | dm[15]=253.6; |
293 | dm[16]=264.8; | |
294 | dm[17]=278.; | |
1283eee5 | 295 | |
79575d04 | 296 | // |
720b23b8 | 297 | |
79575d04 | 298 | dm[18]=256.6; |
299 | dm[19]=264.8; | |
300 | dm[20]=278.; | |
720b23b8 | 301 | |
302 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 303 | |
79575d04 | 304 | // Daughter volumes - sandwich |
1283eee5 | 305 | |
37831078 | 306 | // Tpc SAndwich 1 - Al |
79575d04 | 307 | |
cea9b4f7 | 308 | dm[0]=274.8124; |
79575d04 | 309 | dm[1]=278.; |
310 | dm[2]=252.1; | |
1283eee5 | 311 | |
37831078 | 312 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 313 | |
79575d04 | 314 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 315 | |
37831078 | 316 | dm[0] += 5.e-3; |
317 | dm[1] -= 5.e-3; | |
79575d04 | 318 | |
319 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
320 | ||
321 | // Tpc SAndwich 3 - Tedlar | |
322 | ||
323 | dm[0] += 0.01; | |
324 | dm[1] -= 0.01; | |
37831078 | 325 | |
79575d04 | 326 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
1283eee5 | 327 | |
8c555625 | 328 | |
79575d04 | 329 | // Tpc SAndwich 4 - fiber glass (G10) |
8c555625 | 330 | |
cea9b4f7 | 331 | dm[0] += 3.8e-3; |
332 | dm[1] -= 3.8e-3; | |
8c555625 | 333 | |
79575d04 | 334 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
1283eee5 | 335 | |
79575d04 | 336 | // Tpc SAndwich 5 - NOMEX honeycomb |
1283eee5 | 337 | |
79575d04 | 338 | dm[0] += 0.075; |
339 | dm[1] -= 0.075; | |
37831078 | 340 | |
79575d04 | 341 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
342 | ||
343 | // 5->4->3->2->1->TCOV | |
8c555625 | 344 | |
79575d04 | 345 | |
346 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); | |
37831078 | 347 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
348 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 349 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 350 | |
79575d04 | 351 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
fe4da5cc | 352 | |
37831078 | 353 | // TCOV-> TOIN |
fe4da5cc | 354 | |
37831078 | 355 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 356 | |
37831078 | 357 | //------------------------------------------------------- |
358 | // Tpc Outer Field Cage | |
359 | // mother volume - Al, daughters - composite (sandwich) | |
360 | //------------------------------------------------------- | |
1283eee5 | 361 | |
37831078 | 362 | dm[0]=0.; |
363 | dm[1]=360.; | |
364 | dm[2]=6.; | |
1283eee5 | 365 | |
79575d04 | 366 | // |
367 | ||
368 | dm[3]=-253.6; | |
369 | dm[4]=258.; | |
370 | dm[5]=275.5; | |
1283eee5 | 371 | |
37831078 | 372 | // |
1283eee5 | 373 | |
79575d04 | 374 | dm[6]=-250.6; |
375 | dm[7]=258.; | |
376 | dm[8]=275.5; | |
1283eee5 | 377 | |
37831078 | 378 | // |
79575d04 | 379 | |
380 | dm[9]=-250.6; | |
381 | dm[10]=258.; | |
cea9b4f7 | 382 | dm[11]=260.0476; |
1283eee5 | 383 | |
37831078 | 384 | // |
1283eee5 | 385 | |
79575d04 | 386 | dm[12]=250.6; |
387 | dm[13]=258.; | |
cea9b4f7 | 388 | dm[14]=260.0476; |
1283eee5 | 389 | |
37831078 | 390 | // |
1283eee5 | 391 | |
79575d04 | 392 | dm[15]=250.6; |
393 | dm[16]=258.; | |
dcf38560 | 394 | dm[17]=269.6; |
1283eee5 | 395 | |
37831078 | 396 | // |
1283eee5 | 397 | |
79575d04 | 398 | dm[18]=253.6; |
399 | dm[19]=258.; | |
dcf38560 | 400 | dm[20]=269.6; |
1283eee5 | 401 | |
79575d04 | 402 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
1283eee5 | 403 | |
37831078 | 404 | // Daughter volumes |
1283eee5 | 405 | |
79575d04 | 406 | // Tpc SAndwich 6 - Tedlar |
1283eee5 | 407 | |
37831078 | 408 | dm[0]= 258.; |
cea9b4f7 | 409 | dm[1]= 260.0476; |
79575d04 | 410 | dm[2]= 252.1; |
1283eee5 | 411 | |
79575d04 | 412 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
1283eee5 | 413 | |
79575d04 | 414 | // Tpc SAndwich 7 - fiber glass |
1283eee5 | 415 | |
cea9b4f7 | 416 | dm[0] += 3.8e-3; |
417 | dm[1] -= 3.8e-3; | |
1283eee5 | 418 | |
79575d04 | 419 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 420 | |
1283eee5 | 421 | |
37831078 | 422 | // Tpc SAndwich 8 - NOMEX |
1283eee5 | 423 | |
37831078 | 424 | dm[0] += 0.02; |
425 | dm[1] -= 0.02; | |
1283eee5 | 426 | |
79575d04 | 427 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
1283eee5 | 428 | |
79575d04 | 429 | // 8->7->6->TOFC |
1283eee5 | 430 | |
79575d04 | 431 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
432 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
433 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
fe4da5cc | 434 | |
dcf38560 | 435 | // TOFC->TOIN |
436 | // TOFC overlaps with | |
fe4da5cc | 437 | |
79575d04 | 438 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 439 | |
37831078 | 440 | // TOIN->TPC |
1283eee5 | 441 | |
37831078 | 442 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 443 | |
79575d04 | 444 | // inner part |
1283eee5 | 445 | |
79575d04 | 446 | //-------------------------------------------------------------------- |
447 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
448 | // Inner containment vessel will be placed directly in the TPC | |
449 | //-------------------------------------------------------------------- | |
1283eee5 | 450 | |
37831078 | 451 | dm[0]=0.; |
79575d04 | 452 | dm[1]=360.; |
453 | dm[2]=4.; | |
1283eee5 | 454 | |
79575d04 | 455 | // |
1283eee5 | 456 | |
79575d04 | 457 | dm[3]=-253.6; |
458 | dm[4]=65.9; | |
459 | dm[5]=79.2; | |
1283eee5 | 460 | |
37831078 | 461 | // |
1283eee5 | 462 | |
79575d04 | 463 | dm[6]=-73.3; |
464 | dm[7]=61.2; | |
465 | dm[8]=79.2; | |
1283eee5 | 466 | |
37831078 | 467 | // |
1283eee5 | 468 | |
79575d04 | 469 | dm[9]=73.3; |
470 | dm[10]=61.2; | |
471 | dm[11]=79.2; | |
1283eee5 | 472 | |
37831078 | 473 | // |
1283eee5 | 474 | |
79575d04 | 475 | dm[12]=253.6; |
476 | dm[13]=65.9; | |
477 | dm[14]=79.2; | |
1283eee5 | 478 | |
79575d04 | 479 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 480 | |
79575d04 | 481 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 482 | |
79575d04 | 483 | dm[0]=79.16; |
484 | dm[1]=79.2; | |
485 | dm[2]=88.; | |
1283eee5 | 486 | |
79575d04 | 487 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 488 | |
79575d04 | 489 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 490 | |
79575d04 | 491 | //----------------------------------------------------- |
492 | // Tpc Inner Field Cage | |
493 | // mother volume - Al, daughters - composite (sandwich) | |
494 | //------------------------------------------------------ | |
1283eee5 | 495 | |
79575d04 | 496 | dm[0]=0.; |
497 | dm[1]=360.; | |
498 | dm[2]=10.; | |
1283eee5 | 499 | |
37831078 | 500 | // |
1283eee5 | 501 | |
79575d04 | 502 | dm[3]=-253.6; |
503 | dm[4]=70.3; | |
504 | dm[5]=79.2; | |
1283eee5 | 505 | |
37831078 | 506 | // |
1283eee5 | 507 | |
79575d04 | 508 | dm[6]=-250.6; |
509 | dm[7]=70.3; | |
510 | dm[8]=79.2; | |
1283eee5 | 511 | |
37831078 | 512 | // |
1283eee5 | 513 | |
79575d04 | 514 | dm[9]=-250.6; |
cea9b4f7 | 515 | dm[10]=77.0524; |
79575d04 | 516 | dm[11]=79.2; |
37831078 | 517 | |
518 | // | |
519 | ||
79575d04 | 520 | dm[12]=-88.; |
cea9b4f7 | 521 | dm[13]=77.0524; |
79575d04 | 522 | dm[14]=79.2; |
1283eee5 | 523 | |
37831078 | 524 | // |
1283eee5 | 525 | |
79575d04 | 526 | dm[15]=-88.; |
cea9b4f7 | 527 | dm[16]=77.0924; |
79575d04 | 528 | dm[17]=79.16; |
1283eee5 | 529 | |
530 | // | |
37831078 | 531 | |
79575d04 | 532 | dm[18]=88.; |
cea9b4f7 | 533 | dm[19]=77.0924; |
79575d04 | 534 | dm[20]=79.16; |
37831078 | 535 | |
1283eee5 | 536 | // |
537 | ||
79575d04 | 538 | dm[21]=88.; |
cea9b4f7 | 539 | dm[22]=77.0524; |
79575d04 | 540 | dm[23]=79.2; |
1283eee5 | 541 | |
37831078 | 542 | // |
1283eee5 | 543 | |
79575d04 | 544 | dm[24]=250.6; |
cea9b4f7 | 545 | dm[25]=77.0524; |
79575d04 | 546 | dm[26]=79.2; |
1283eee5 | 547 | |
37831078 | 548 | // |
1283eee5 | 549 | |
79575d04 | 550 | dm[27]=250.6; |
551 | dm[28]=70.3; | |
552 | dm[29]=79.2; | |
1283eee5 | 553 | |
37831078 | 554 | // |
1283eee5 | 555 | |
79575d04 | 556 | dm[30]=253.6; |
557 | dm[31]=70.3; | |
558 | dm[32]=79.2; | |
1283eee5 | 559 | |
79575d04 | 560 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 561 | |
79575d04 | 562 | // daughter volumes - central part |
1283eee5 | 563 | |
79575d04 | 564 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 565 | |
cea9b4f7 | 566 | dm[0]=77.0924; |
79575d04 | 567 | dm[1]=79.16; |
568 | dm[2]=88.; | |
1283eee5 | 569 | |
79575d04 | 570 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 571 | |
79575d04 | 572 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 573 | |
cea9b4f7 | 574 | dm[0] += 3.8e-3; |
575 | dm[1] -= 3.8e-3; | |
1283eee5 | 576 | |
79575d04 | 577 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 578 | |
79575d04 | 579 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 580 | |
79575d04 | 581 | dm[0] += 0.03; |
582 | dm[1] -= 0.03; | |
1283eee5 | 583 | |
79575d04 | 584 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 585 | |
79575d04 | 586 | // 11->10->9->TIFC |
1283eee5 | 587 | |
79575d04 | 588 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
589 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 590 | |
79575d04 | 591 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 592 | |
79575d04 | 593 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 594 | |
79575d04 | 595 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 596 | |
cea9b4f7 | 597 | dm[0]=77.0524; |
79575d04 | 598 | dm[1]=79.2; |
599 | dm[2]=82.05; | |
1283eee5 | 600 | |
79575d04 | 601 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 602 | |
79575d04 | 603 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 604 | |
cea9b4f7 | 605 | dm[0] += 3.8e-3; |
606 | dm[1] -= 3.8e-3; | |
1283eee5 | 607 | |
79575d04 | 608 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 609 | |
79575d04 | 610 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 611 | |
79575d04 | 612 | dm[0] += 0.07; |
613 | dm[1] -= 0.07; | |
1283eee5 | 614 | |
79575d04 | 615 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 616 | |
79575d04 | 617 | // 14->13->12->TIFC |
1283eee5 | 618 | |
79575d04 | 619 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
620 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 621 | |
79575d04 | 622 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
623 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 624 | |
79575d04 | 625 | // place this inside the inner insulator |
1283eee5 | 626 | |
79575d04 | 627 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 628 | |
79575d04 | 629 | // and now in the TPC... |
1283eee5 | 630 | |
79575d04 | 631 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 632 | |
79575d04 | 633 | //--------------------------------------------------------- |
634 | // Tpc Inner Containment vessel - Cones | |
635 | //--------------------------------------------------------- | |
1283eee5 | 636 | |
79575d04 | 637 | dm[0]=0.; |
638 | dm[1]=360.; | |
37831078 | 639 | dm[2]=8.; |
1283eee5 | 640 | |
37831078 | 641 | // |
1283eee5 | 642 | |
79575d04 | 643 | dm[3]=71.8; |
644 | dm[4]=56.9; | |
645 | dm[5]=59.4; | |
1283eee5 | 646 | |
37831078 | 647 | // |
1283eee5 | 648 | |
79575d04 | 649 | dm[6]=73.; |
650 | dm[7]=56.9; | |
651 | dm[8]=59.4; | |
1283eee5 | 652 | |
37831078 | 653 | // |
1283eee5 | 654 | |
79575d04 | 655 | dm[9]=73.; |
656 | dm[10]=56.9; | |
657 | dm[11]=61.2; | |
1283eee5 | 658 | |
37831078 | 659 | // |
1283eee5 | 660 | |
79575d04 | 661 | dm[12]=73.3; |
662 | dm[13]=56.9; | |
663 | dm[14]=61.2; | |
1283eee5 | 664 | |
37831078 | 665 | // |
79575d04 | 666 | |
667 | dm[15]=73.3; | |
668 | dm[16]=60.9; | |
669 | dm[17]=61.2; | |
1283eee5 | 670 | |
79575d04 | 671 | // |
1283eee5 | 672 | |
79575d04 | 673 | dm[18]=253.6; |
674 | dm[19]=65.6; | |
675 | dm[20]=65.9; | |
1283eee5 | 676 | |
37831078 | 677 | // |
1283eee5 | 678 | |
79575d04 | 679 | dm[21]=253.6; |
680 | dm[22]=65.6; | |
f4900c61 | 681 | dm[23]=74.6; |
1283eee5 | 682 | |
37831078 | 683 | // |
1283eee5 | 684 | |
f4900c61 | 685 | dm[24]=256.6; |
79575d04 | 686 | dm[25]=65.6; |
f4900c61 | 687 | dm[26]=74.6; |
1283eee5 | 688 | |
79575d04 | 689 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
1283eee5 | 690 | |
79575d04 | 691 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
1283eee5 | 692 | |
79575d04 | 693 | // reflection matrix |
694 | ||
695 | theta1 = 90.; | |
696 | phi1 = 0.; | |
697 | theta2 = 90.; | |
698 | phi2 = 270.; | |
699 | theta3 = 180.; | |
700 | phi3 = 0.; | |
1283eee5 | 701 | |
79575d04 | 702 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
1283eee5 | 703 | |
79575d04 | 704 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
705 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
1283eee5 | 706 | |
1283eee5 | 707 | |
79575d04 | 708 | //--------------------------------------------------------- |
709 | // Tpc Inner Containment vessel - Middle part -Al | |
710 | //--------------------------------------------------------- | |
1283eee5 | 711 | |
79575d04 | 712 | dm[0]=0.; |
713 | dm[1]=360.; | |
714 | dm[2]=6.; | |
1283eee5 | 715 | |
37831078 | 716 | // |
1283eee5 | 717 | |
79575d04 | 718 | dm[3]=-71.6; |
719 | dm[4]=60.2; | |
720 | dm[5]=61.2; | |
1283eee5 | 721 | |
37831078 | 722 | // |
1283eee5 | 723 | |
79575d04 | 724 | dm[6]=-69.1; |
725 | dm[7]=60.2; | |
726 | dm[8]=61.2; | |
1283eee5 | 727 | |
37831078 | 728 | // |
1283eee5 | 729 | |
79575d04 | 730 | dm[9]=-69.1; |
cea9b4f7 | 731 | dm[10]=60.6224; |
79575d04 | 732 | dm[11]=61.2; |
1283eee5 | 733 | |
fe4da5cc | 734 | // |
735 | ||
79575d04 | 736 | dm[12]=69.1; |
cea9b4f7 | 737 | dm[13]=60.6224; |
79575d04 | 738 | dm[14]=61.2; |
fe4da5cc | 739 | |
fe4da5cc | 740 | // |
741 | ||
79575d04 | 742 | dm[15]=69.1; |
743 | dm[16]=60.2; | |
744 | dm[17]=61.2; | |
37831078 | 745 | |
fe4da5cc | 746 | // |
37831078 | 747 | |
79575d04 | 748 | dm[18]=71.6; |
749 | dm[19]=60.2; | |
750 | dm[20]=61.2; | |
37831078 | 751 | |
79575d04 | 752 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
fe4da5cc | 753 | |
79575d04 | 754 | // Tpc Sandwich 15 - Al |
37831078 | 755 | |
cea9b4f7 | 756 | dm[0]=60.6224; |
79575d04 | 757 | dm[1]=61.2; |
758 | dm[2]=70.1; | |
37831078 | 759 | |
79575d04 | 760 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
fe4da5cc | 761 | |
79575d04 | 762 | // Tpc Sandwich 16 - epoxy glue |
fe4da5cc | 763 | |
79575d04 | 764 | dm[0] += 5.e-3; |
765 | dm[1] -= 5.e-3; | |
fe4da5cc | 766 | |
79575d04 | 767 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
fe4da5cc | 768 | |
6a905708 | 769 | // Tpc Sandwich 17 - Tedlar |
37831078 | 770 | |
79575d04 | 771 | dm[0] += 0.01; |
772 | dm[1] -= 0.01; | |
37831078 | 773 | |
6a905708 | 774 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 775 | |
cea9b4f7 | 776 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 777 | |
cea9b4f7 | 778 | dm[0] += 3.8e-3; |
779 | dm[1] -= 3.8e-3; | |
37831078 | 780 | |
cea9b4f7 | 781 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 782 | |
79575d04 | 783 | // Tpc Sandwich 19 - Nomex |
37831078 | 784 | |
cea9b4f7 | 785 | dm[0] += 0.02; |
786 | dm[1] -= 0.02; | |
37831078 | 787 | |
90222263 | 788 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 789 | |
79575d04 | 790 | // 19->18->17->16->15-> TICM |
37831078 | 791 | |
79575d04 | 792 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 793 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 794 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
795 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 796 | |
79575d04 | 797 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
798 | ||
37831078 | 799 | |
79575d04 | 800 | // TPc inner cont. vessel Joints |
37831078 | 801 | |
79575d04 | 802 | dm[0]=60.2; |
803 | dm[1]=61.2; | |
804 | dm[2]=0.5; | |
37831078 | 805 | |
79575d04 | 806 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 807 | |
79575d04 | 808 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
809 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 810 | |
79575d04 | 811 | // |
37831078 | 812 | |
79575d04 | 813 | dm[0]=0.; |
814 | dm[1]=360.; | |
815 | dm[2]=4.; | |
37831078 | 816 | |
79575d04 | 817 | // |
37831078 | 818 | |
79575d04 | 819 | dm[3]=70.8; |
820 | dm[4]=58.4; | |
821 | dm[5]=60.1; | |
37831078 | 822 | |
79575d04 | 823 | // |
37831078 | 824 | |
79575d04 | 825 | dm[6]=71.2; |
826 | dm[7]=58.4; | |
827 | dm[8]=60.1; | |
37831078 | 828 | |
79575d04 | 829 | // |
37831078 | 830 | |
79575d04 | 831 | dm[9]=71.2; |
832 | dm[10]=58.4; | |
833 | dm[11]=59.4; | |
37831078 | 834 | |
79575d04 | 835 | // |
37831078 | 836 | |
79575d04 | 837 | dm[12]=71.6; |
838 | dm[13]=58.4; | |
839 | dm[14]=59.4; | |
37831078 | 840 | |
79575d04 | 841 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 842 | |
79575d04 | 843 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
844 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 845 | |
37831078 | 846 | |
37831078 | 847 | |
79575d04 | 848 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 849 | |
79575d04 | 850 | dm[0]=58.4; |
851 | dm[1]=61.2; | |
852 | dm[2]=0.1; | |
37831078 | 853 | |
79575d04 | 854 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 855 | |
79575d04 | 856 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
857 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 858 | |
79575d04 | 859 | // TICM -> TPC |
37831078 | 860 | |
79575d04 | 861 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 862 | |
79575d04 | 863 | // |
37831078 | 864 | |
79575d04 | 865 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 866 | |
867 | //--------------------------------------------------------- | |
868 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
869 | // and its daughters (HV membrane, rods, readout chambers) | |
870 | //--------------------------------------------------------- | |
871 | ||
872 | dm[0]= 79.2; | |
873 | dm[1]= 258.0; | |
874 | dm[2]= 253.6; | |
875 | ||
79575d04 | 876 | gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3); |
37831078 | 877 | |
79575d04 | 878 | // sector opening angles |
37831078 | 879 | |
880 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
881 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
882 | ||
883 | // sector angle shift | |
884 | ||
885 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
886 | ||
79575d04 | 887 | |
37831078 | 888 | // All above parameters are identical for inner and outer |
889 | // sectors. The distinction is kept for the historical reasons | |
890 | // and eventually will disappear. | |
891 | ||
892 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
893 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
894 | Float_t space; | |
895 | ||
896 | //------------------------------------------------------------------------- | |
897 | // Tpc Inner Readout Chambers | |
898 | //------------------------------------------------------------------------- | |
899 | ||
900 | dm[0]= 14.483; | |
901 | dm[1]= 23.3345; | |
902 | dm[2]= 1.6; // thickness | |
903 | dm[3]= 25.1; | |
904 | ||
905 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
906 | ||
907 | // this volume will be positioned in the empty space | |
908 | // of the end-cap to avoid overlaps | |
909 | ||
910 | dm[0]= 13.7305; | |
911 | dm[1]= 21.1895; | |
912 | dm[2]= 2.25; | |
913 | dm[3]= 21.15; | |
914 | ||
915 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
916 | ||
79575d04 | 917 | |
37831078 | 918 | //------------------------------------------------ |
919 | // Tpc Inner readout chamber Pad Plane | |
920 | //------------------------------------------------ | |
921 | ||
922 | dm[0]= 14.483; | |
923 | dm[1]= 23.3345; | |
924 | dm[2]= 0.5; | |
925 | dm[3]= 25.1; | |
926 | ||
927 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
928 | ||
929 | // | |
930 | ||
931 | dm[0] -= 1.218511934; | |
932 | dm[1] -= 1.218511934; | |
933 | dm[2] = 0.35; | |
934 | ||
935 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); | |
936 | ||
937 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
938 | ||
939 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
940 | ||
79575d04 | 941 | |
37831078 | 942 | //---------------------------------------------- |
943 | // Tpc Readout Chambers Empty spaces - for both | |
944 | // inner and outer sectors | |
945 | //---------------------------------------------- | |
946 | ||
947 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
948 | ||
949 | // Inner sector - 4 spaces | |
950 | ||
951 | ||
952 | dm[3] = 4.7625; | |
953 | dm[0] = 12.472; | |
954 | ||
955 | Float_t rr = 90.52; | |
956 | Float_t zz; | |
957 | ||
958 | zz= -12.7875; | |
959 | ||
960 | space = rr*tanAlpha-dm[0]; | |
961 | ||
962 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
963 | ||
964 | rr += 9.525; | |
965 | dm[1]= rr*tanAlpha - space; | |
966 | ||
967 | dm[2]=0.8; | |
968 | ||
969 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
970 | ||
971 | // | |
972 | ||
79575d04 | 973 | dm[2] = 1.2; |
37831078 | 974 | |
975 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
976 | ||
977 | rr += 0.4; | |
978 | dm[0] = rr*tanAlpha - space; | |
979 | zz += (0.4+9.525); | |
980 | ||
981 | } | |
982 | ||
983 | dm[0]= 12.472; | |
984 | // dm[1] - this is the dm[1] from the previous TRCE | |
985 | dm[2]= 1.05; | |
986 | dm[3]= 19.65; | |
987 | ||
79575d04 | 988 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 989 | |
990 | // | |
991 | // TPc Space for Connectors | |
992 | // | |
993 | ||
994 | dm[0]= .3; | |
995 | dm[1]= .3; | |
996 | dm[2]= 4.5; | |
997 | ||
998 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
999 | ||
1000 | // TPC Connectors | |
1001 | ||
1002 | dm[0]= .25; | |
1003 | dm[1]= .15; | |
1004 | dm[2]= 3.75; | |
1005 | ||
1006 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1007 | ||
1008 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1009 | ||
1010 | zz = -12.7875; | |
1011 | ||
79575d04 | 1012 | |
37831078 | 1013 | Float_t alpha; |
1014 | Float_t astep; | |
1015 | ||
37831078 | 1016 | // inner part of the inner sector - 2 x 20 holes |
1017 | ||
1018 | astep = 20.00096874/19.; | |
1019 | ||
1020 | alpha = 10.00048437-astep; | |
1021 | ||
1022 | Float_t x1,x2; | |
1023 | ||
1024 | x1 = 13.31175725; | |
1025 | x1 -= 0.996357832; | |
1026 | ||
1027 | x2 = 15.06180253; | |
1028 | x2 -= 1.163028812; | |
1029 | ||
1030 | Int_t ncon; | |
1031 | ||
1032 | for(ncon=0;ncon<20;ncon++){ | |
1033 | ||
1034 | phi1 = 0.; | |
1035 | theta1 = 90.+alpha; | |
1036 | phi2=90.; | |
1037 | theta2 = 90.; | |
1038 | phi3 = (alpha>0) ? 0. : 180.; | |
1039 | theta3 = TMath::Abs(alpha); | |
1040 | ||
1041 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1042 | ||
1043 | ||
1044 | ||
1045 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1046 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1047 | ||
1048 | ||
1049 | x1 -= 1.296357833; | |
1050 | x2 -= 1.463028812; | |
1051 | ||
1052 | alpha -= astep; | |
1053 | nRotMat++; | |
1054 | ||
1055 | } | |
1056 | ||
1057 | // outer part of the inner sector - 2 x 25 holes | |
1058 | ||
1059 | astep = 20.00096874/24.; | |
1060 | alpha = 10.00048437-astep; | |
1061 | ||
1062 | x1 = 16.81184781; | |
1063 | x1 -= 1.016295986; | |
1064 | ||
1065 | x2 = 18.5618931; | |
1066 | x2 -= 1.150914854; | |
1067 | ||
1068 | for(ncon=0;ncon<25;ncon++){ | |
1069 | ||
1070 | phi1 = 0.; | |
1071 | theta1 = 90.+alpha; | |
1072 | phi2=90.; | |
1073 | theta2 = 90.; | |
1074 | phi3 = (alpha>0) ? 0. : 180.; | |
1075 | theta3 = TMath::Abs(alpha); | |
1076 | ||
1077 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1078 | ||
1079 | ||
1080 | ||
1081 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1082 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1083 | ||
1084 | ||
1085 | x1 -= 1.316295986; | |
1086 | x2 -= 1.450914854; | |
1087 | ||
1088 | alpha -= astep; | |
1089 | nRotMat++; | |
1090 | ||
1091 | } | |
1092 | ||
1093 | //-------------------------------------------------------------------------- | |
1094 | // TPC Outer Readout Chambers | |
1095 | // this is NOT a final design | |
1096 | //-------------------------------------------------------------------------- | |
1097 | ||
1098 | dm[0]= 23.3875; | |
1099 | dm[1]= 43.524; | |
1100 | dm[2]= 1.5; //thickness | |
1101 | dm[3]= 57.1; | |
1102 | ||
1103 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1104 | ||
1105 | //------------------------------------------------ | |
1106 | // Tpc Outer readout chamber Pad Plane | |
1107 | //------------------------------------------------ | |
1108 | ||
1109 | dm[2]= 0.5; | |
1110 | ||
1111 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1112 | ||
1113 | dm[0] -= 1.218511934; | |
1114 | dm[1] -= 1.218511934; | |
1115 | dm[2] = 0.35; | |
1116 | ||
1117 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); | |
1118 | ||
1119 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1120 | ||
1121 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1122 | ||
1123 | // empty space | |
1124 | ||
37831078 | 1125 | dm[0]= 21.035; |
1126 | dm[1]= 38.7205; | |
1127 | dm[2]= 0.7; | |
1128 | dm[3]= 50.15; | |
1129 | ||
1130 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1131 | ||
1132 | dm[0]= 22.2935; | |
1133 | dm[1]= 40.5085; | |
1134 | dm[2]= 2.25; | |
1135 | dm[3]= 51.65; | |
1136 | ||
1137 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1138 | ||
1139 | dm[0]= 21.35; | |
1140 | dm[1]= 38.7205; | |
1141 | dm[2]= 2.25; | |
1142 | dm[3]= 50.15; | |
1143 | ||
79575d04 | 1144 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1145 | |
1146 | //----------------------------------------------- | |
1147 | // Tpc Services Support Wheel | |
1148 | //----------------------------------------------- | |
1149 | ||
1150 | dm[0]=0.; | |
1151 | dm[1]=360.; | |
1152 | dm[2]=18.; | |
1153 | dm[3]=2.; | |
1154 | ||
1155 | dm[4]= -5.; | |
1156 | dm[5]= 77.017; | |
1157 | dm[6]= 255.267; | |
1158 | ||
1159 | dm[7]= 5.; | |
1160 | dm[8]= dm[5]; | |
1161 | dm[9]= dm[6]; | |
1162 | ||
1163 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1164 | ||
1165 | // Tpc Services Wheel Cover | |
1166 | ||
1167 | dm[4]= -0.5; | |
1168 | dm[7]= 0.5; | |
1169 | ||
1170 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1171 | ||
1172 | // Tpc Service wheel Cover Empty space | |
1173 | ||
1174 | dm[0]= 10.99; | |
1175 | dm[1]= 39.599; | |
1176 | dm[2]= .5; | |
1177 | dm[3]= 81.125; | |
1178 | ||
1179 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1180 | ||
1181 | // Tpc services Wheel Empty Spaces | |
1182 | ||
1183 | dm[0]= 13.18017507; | |
1184 | dm[1]= 44.61045938; | |
1185 | dm[2]= 4.; | |
1186 | dm[3]= 89.125; | |
1187 | ||
1188 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1189 | ||
1190 | // Tpc Services Wheel Bars | |
1191 | ||
1192 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1193 | ||
1194 | // bars-> TWES | |
1195 | ||
1196 | dm[2]= 4.; | |
1197 | dm[3]= .4; | |
1198 | ||
1199 | dm[0]= 13.8149522; | |
1200 | dm[1]= 13.95601379; | |
1201 | ||
1202 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1203 | ||
1204 | dm[0]= 43.83462067; | |
1205 | dm[1]= 43.97568225; | |
1206 | ||
1207 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1208 | ||
1209 | // TPc ELectronics - right now 30% X0 Si | |
1210 | ||
1211 | dm[0]= 14.03813696; | |
1212 | dm[1]= 43.3524075; | |
1213 | dm[2]= 1.404; | |
1214 | dm[3]= 83.125; | |
1215 | ||
1216 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1217 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1218 | ||
1219 | //-------------------------------------------------------------------------- | |
1220 | // End caps | |
1221 | //-------------------------------------------------------------------------- | |
1222 | ||
1223 | // TPc Main Wheel - Al | |
1224 | ||
79575d04 | 1225 | dm[0]= 74.9; |
1226 | dm[1]= 264.4; | |
37831078 | 1227 | dm[2]= 3.0; |
1228 | ||
1229 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1230 | ||
37831078 | 1231 | //-------------------------------------------------------------------------- |
1232 | // Tpc Empty Space for the Readout chambers | |
1233 | //-------------------------------------------------------------------------- | |
1234 | ||
1235 | Float_t rLow= 86.2; | |
1236 | Float_t rUp= 243.5; | |
1237 | Float_t dR = 0.5*(rUp-rLow); | |
1238 | ||
79575d04 | 1239 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1240 | |
1241 | dm[0]= rLow*tanAlpha-space; | |
1242 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1243 | dm[2] = 3.0; |
37831078 | 1244 | dm[3]= dR; |
1245 | ||
1246 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1247 | ||
1248 | // TIC1->TESR | |
1249 | ||
37831078 | 1250 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1251 | ||
37831078 | 1252 | // TOC1->TESR |
1253 | ||
1254 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1255 | ||
1256 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1257 | ||
1258 | Float_t zBar; | |
1259 | ||
1260 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1261 | ||
1262 | // lower bar | |
1263 | ||
1264 | dm[0]= rLow*tanAlpha-space; | |
1265 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1266 | dm[2]= 2.25; |
37831078 | 1267 | dm[3]= 1.275; |
1268 | ||
1269 | zBar = -dR+dm[3]; | |
1270 | ||
79575d04 | 1271 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1272 | |
1273 | // middle bar | |
1274 | ||
1275 | dm[0]= 131.65*tanAlpha-space; | |
1276 | dm[1]= 136.5*tanAlpha-space; | |
1277 | dm[3]= 2.425; | |
1278 | ||
1279 | zBar = -dR +131.65+dm[3]-rLow; | |
1280 | ||
79575d04 | 1281 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1282 | |
1283 | // upper bar | |
1284 | ||
1285 | dm[0]= 240.4*tanAlpha-space; | |
1286 | dm[1]= rUp*tanAlpha-space; | |
1287 | dm[3]= 1.55; | |
1288 | ||
1289 | zBar = dR-dm[3]; | |
1290 | ||
79575d04 | 1291 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1292 | |
1293 | //------------------------------------------------------ | |
1294 | // TPc Lower "S" Sectors | |
1295 | //------------------------------------------------------ | |
1296 | ||
1297 | ||
1298 | Float_t inSecLowEdge = fTPCParam->GetInnerRadiusLow(); | |
1299 | Float_t inSecUpEdge = fTPCParam->GetInnerRadiusUp(); | |
1300 | ||
1301 | dm[0] = inSecLowEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
1302 | dm[1] = inSecUpEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
79575d04 | 1303 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1304 | dm[3] = 0.5*(inSecUpEdge-inSecLowEdge); |
1305 | ||
1306 | gMC->Gsvolu("TPLS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1307 | ||
79575d04 | 1308 | |
37831078 | 1309 | //---------------------------------------------------------- |
1310 | // TPc Upper Sectors | |
1311 | //---------------------------------------------------------- | |
1312 | ||
1313 | Float_t ouSecLowEdge = fTPCParam->GetOuterRadiusLow(); | |
1314 | Float_t ouSecUpEdge = fTPCParam->GetOuterRadiusUp(); | |
1315 | ||
1316 | dm[0] = ouSecLowEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
1317 | dm[1] = ouSecUpEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
79575d04 | 1318 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1319 | dm[3] = 0.5*(ouSecUpEdge-ouSecLowEdge); |
1320 | ||
1321 | gMC->Gsvolu("TPUS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1322 | ||
1323 | ||
37831078 | 1324 | |
79575d04 | 1325 | // sensitive strips |
37831078 | 1326 | |
1327 | gMC->Gsvolu("TPSS","TRD1",idtmed[2],dm,0); // sensitive | |
1328 | ||
1329 | Int_t nofStrips,nstr; | |
1330 | Float_t r1,r2,zs; | |
1331 | Float_t stripThick = 0.01; // 100 microns | |
1332 | Float_t deadSpace; | |
1333 | ||
1334 | // inner sector | |
1335 | ||
d4c354b9 | 1336 | |
1337 | // if all lower sectors selected define only 1 strip | |
1338 | ||
1339 | nofStrips=((fSecAL <0)||(fSecAL>=0 && fSens<0)) ? 1 : fTPCParam->GetNRowLow(); | |
37831078 | 1340 | deadSpace = fTPCParam->GetInnerWireMount(); |
1341 | ||
79575d04 | 1342 | dm[2] = 0.5*(250. - 5.e-3); |
1343 | dm[3] = 0.5 * stripThick; | |
d4c354b9 | 1344 | |
37831078 | 1345 | for(nstr=0;nstr<nofStrips;nstr++){ |
1346 | ||
1347 | r1 = fTPCParam->GetPadRowRadiiLow(nstr); | |
1348 | r2 = r1 + stripThick; | |
1349 | dm[0] = r1 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1350 | dm[1] = r2 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1351 | zs = -inSecLowEdge -0.5*(inSecUpEdge-inSecLowEdge); | |
1352 | zs += r1; | |
1353 | zs += dm[3]; | |
1354 | ||
1355 | gMC->Gsposp("TPSS", nstr+1, "TPLS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1356 | ||
37831078 | 1357 | |
1358 | } | |
1359 | ||
d4c354b9 | 1360 | // strips only if several upper sectors selected end fSens > 0 |
1361 | ||
1362 | if(fSecAU >=0 && fSens >0){ | |
1363 | ||
37831078 | 1364 | Int_t nsSave = nofStrips; |
1365 | ||
1366 | // outer sector | |
1367 | ||
1368 | nofStrips = fTPCParam->GetNRowUp(); | |
1369 | deadSpace = fTPCParam->GetOuterWireMount(); | |
1370 | ||
79575d04 | 1371 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1372 | dm[3] = 0.5 * stripThick; |
d4c354b9 | 1373 | |
37831078 | 1374 | |
1375 | for(nstr=0;nstr<nofStrips;nstr++){ | |
1376 | ||
1377 | r1 = fTPCParam->GetPadRowRadiiUp(nstr); | |
1378 | r2 = r1 + stripThick; | |
1379 | dm[0] = r1 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1380 | dm[1] = r2 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1381 | zs = -ouSecLowEdge -0.5*(ouSecUpEdge-ouSecLowEdge); | |
1382 | zs += r1; | |
1383 | zs += dm[3]; | |
1384 | ||
1385 | gMC->Gsposp("TPSS", nstr+1+nsSave, "TPUS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1386 | ||
1387 | } | |
79575d04 | 1388 | } |
1389 | ||
37831078 | 1390 | |
1391 | //------------------------------------------------------- | |
1392 | // positioning of the empty spaces into the main wheel | |
1393 | // and readout chambers and sectors into the drift gas | |
1394 | //------------------------------------------------------- | |
1395 | ||
1396 | Float_t rCenter,xc,yc; | |
1397 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1398 | ||
1399 | rCenter = rLow+dR; | |
1400 | ||
1401 | rInner = 108.07; | |
1402 | rOuter = 190.68; | |
1403 | ||
79575d04 | 1404 | |
37831078 | 1405 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1406 | ||
1407 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1408 | phi1 *= kRaddeg; // in degrees | |
1409 | ||
1410 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1411 | ||
1412 | if (phi1 > 360.) phi1 -= 360.; | |
1413 | ||
1414 | theta1 = 90.; | |
1415 | phi2 = 90.; | |
1416 | theta2 = 180.; | |
1417 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1418 | phi3 *= kRaddeg; // in degrees | |
1419 | ||
1420 | phi3 = (Float_t)TMath::Nint(phi3); | |
1421 | ||
1422 | if(phi3 > 360.) phi3 -= 360.; | |
1423 | ||
1424 | theta3 = 90.; | |
1425 | ||
1426 | // "holes"->End plate | |
1427 | ||
1428 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1429 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1430 | ||
1431 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1432 | ||
1433 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1434 | ||
1435 | // TSCE->TSWC (services wheel volumes) | |
1436 | ||
1437 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1438 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1439 | ||
1440 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1441 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1442 | ||
79575d04 | 1443 | |
37831078 | 1444 | // readout chambers->TDGN (drift gas) |
1445 | ||
1446 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1447 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1448 | ||
1449 | gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1450 | ||
1451 | // here lower sectors | |
1452 | ||
1453 | if(fSecAL <0){ | |
1454 | ||
1455 | // all lower sectors are positioned | |
1456 | ||
79575d04 | 1457 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1458 | gMC-> |
79575d04 | 1459 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1460 | } |
1461 | else{ | |
1462 | ||
1463 | // only selected sectors are positioned (up to 6 sectors) | |
1464 | ||
1465 | for(Int_t sel=0;sel<6;sel++){ | |
1466 | ||
1467 | if(fSecLows[sel] == ns){ | |
79575d04 | 1468 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1469 | } |
1470 | else if(fSecLows[sel] == ns+nInnerSector){ | |
1471 | gMC-> | |
79575d04 | 1472 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1473 | } |
1474 | } | |
1475 | } // lower sectors finished | |
79575d04 | 1476 | |
1477 | ||
37831078 | 1478 | xc = rOuter*TMath::Cos(phi3*kDegrad); |
1479 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1480 | ||
1481 | gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1482 | ||
1483 | // here upper sectors | |
1484 | ||
1485 | if(fSecAU <0){ | |
1486 | ||
1487 | // all upper sectors | |
1488 | ||
79575d04 | 1489 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1490 | gMC-> |
79575d04 | 1491 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1492 | } |
1493 | else{ | |
1494 | ||
1495 | // only selected sectors (up to 12) | |
1496 | ||
1497 | for(Int_t sel=0;sel<12;sel++){ | |
1498 | if(fSecUps[sel] == ns+2*nInnerSector){ | |
79575d04 | 1499 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1500 | } |
1501 | else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){ | |
1502 | gMC-> | |
79575d04 | 1503 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1504 | } |
1505 | } | |
1506 | } // upper sectors finished | |
1507 | ||
79575d04 | 1508 | |
37831078 | 1509 | nRotMat++; |
1510 | ||
79575d04 | 1511 | theta2 = 0.; // reflection |
37831078 | 1512 | |
1513 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1514 | ||
1515 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1516 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1517 | ||
1518 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1519 | ||
1520 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1521 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1522 | ||
1523 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1524 | ||
1525 | nRotMat++; | |
1526 | ||
37831078 | 1527 | } |
37831078 | 1528 | // TPMW->TPC |
1529 | ||
1530 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1531 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
37831078 | 1532 | |
79575d04 | 1533 | //--------------------------------------------------------- |
1534 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1535 | //--------------------------------------------------------- | |
37831078 | 1536 | |
79575d04 | 1537 | dm[0]=82.8; |
1538 | dm[1]=252.; | |
1539 | dm[2]=0.005; | |
37831078 | 1540 | |
79575d04 | 1541 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1542 | |
79575d04 | 1543 | gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY"); |
37831078 | 1544 | |
79575d04 | 1545 | // Tpc High Voltage membrane Holders |
37831078 | 1546 | |
79575d04 | 1547 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1548 | |
79575d04 | 1549 | |
37831078 | 1550 | |
79575d04 | 1551 | // inner |
37831078 | 1552 | |
79575d04 | 1553 | dm[0]=79.3; |
1554 | dm[1]=82.8; | |
1555 | dm[2]=0.2; | |
37831078 | 1556 | |
79575d04 | 1557 | gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3); |
1558 | ||
1559 | // outer | |
1560 | ||
1561 | dm[0]= 252.; | |
1562 | dm[1]= 257.9; | |
1563 | dm[2]= 0.4; | |
1564 | ||
1565 | gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1566 | |
1567 | //---------------------------------------------------------- | |
1568 | // TPc Support Rods - MAKROLON | |
1569 | //---------------------------------------------------------- | |
1570 | ||
1571 | dm[0]= 0.9; | |
1572 | dm[1]= 1.2; | |
37831078 | 1573 | |
79575d04 | 1574 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1575 | |
79575d04 | 1576 | |
1577 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1578 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1579 | ||
79575d04 | 1580 | xc=81.5*TMath::Cos(angle); |
1581 | yc=81.5*TMath::Sin(angle); | |
1582 | ||
1583 | dm[2]=126.7; | |
37831078 | 1584 | |
79575d04 | 1585 | gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3); |
1586 | gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1587 | |
79575d04 | 1588 | dm[2]=126.6; |
37831078 | 1589 | |
79575d04 | 1590 | xc=254.25*TMath::Cos(angle); |
1591 | yc=254.25*TMath::Sin(angle); | |
1592 | ||
1593 | // rod number 54 contans the HV cable | |
37831078 | 1594 | |
79575d04 | 1595 | if(nrod<17) { |
1596 | gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3); | |
1597 | gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3); | |
1598 | } | |
1599 | ||
37831078 | 1600 | } |
1601 | ||
1602 | //---------------------------------------------------------- | |
79575d04 | 1603 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1604 | //---------------------------------------------------------- |
1605 | ||
1606 | // rod with cable (Left) | |
1607 | ||
1608 | dm[0]=0.; | |
1609 | dm[1]=2.25; | |
79575d04 | 1610 | dm[2]=126.6; |
37831078 | 1611 | |
1612 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1613 | ||
1614 | // HV cable | |
1615 | ||
1616 | dm[0]=0.; | |
1617 | dm[1]=0.3; | |
79575d04 | 1618 | dm[2]=126.6; |
37831078 | 1619 | |
79575d04 | 1620 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1621 | |
1622 | // empty space | |
1623 | ||
1624 | dm[0]=0.3; | |
1625 | dm[1]=1.; | |
79575d04 | 1626 | dm[2]=126.6; |
37831078 | 1627 | |
1628 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1629 | ||
1630 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1631 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1632 | ||
1633 | // rod without cable | |
1634 | ||
1635 | dm[0]=1.8; | |
1636 | dm[1]=2.25; | |
79575d04 | 1637 | dm[2]=126.6; |
37831078 | 1638 | |
1639 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1640 | ||
79575d04 | 1641 | gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY"); |
1642 | gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY"); | |
37831078 | 1643 | |
1644 | gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1645 | |
37831078 | 1646 | // services wheel cover -> wheel |
1647 | ||
1648 | ||
1649 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1650 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1651 | ||
1652 | ||
1653 | // put the wheel into the TPC | |
1654 | ||
1655 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1656 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1657 | ||
79575d04 | 1658 | // |
1659 | ||
37831078 | 1660 | gMC->Gsord("TPMW",6); |
79575d04 | 1661 | gMC->Gsord("TSSW",6); |
1662 | gMC->Gsord("TSWC",6); | |
d4c354b9 | 1663 | if(fSecAL >=0) gMC->Gsord("TPLS",3); |
1664 | if(fSecAU >=0 && fSens >0) gMC->Gsord("TPUS",3); | |
37831078 | 1665 | gMC->Gsord("TDGN",6); |
37831078 | 1666 | |
1667 | // put the TPC into ALIC (main mother volume) | |
1668 | ||
79575d04 | 1669 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); |
1670 | ||
1671 | ||
37831078 | 1672 | |
1673 | } // end of function | |
1674 | ||
1675 | //_____________________________________________________________________________ | |
1676 | void AliTPCv2::DrawDetector() | |
1677 | { | |
1678 | // | |
1679 | // Draw a shaded view of the Time Projection Chamber version 1 | |
1680 | // | |
1681 | ||
1682 | // Set everything unseen | |
1683 | gMC->Gsatt("*", "seen", -1); | |
1684 | // | |
1685 | // Set ALIC mother transparent | |
1686 | gMC->Gsatt("ALIC","SEEN",0); | |
1687 | // | |
1688 | // Set the volumes visible | |
1689 | // | |
1690 | ||
1691 | gMC->Gsatt("TPC ","SEEN",0); | |
1692 | gMC->Gsatt("TOIN","SEEN",1); | |
1693 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1694 | gMC->Gsatt("TOCV","SEEN",1); |
1695 | gMC->Gsatt("TOCV","COLO",4); | |
1696 | gMC->Gsatt("TSA1","SEEN",0); | |
1697 | gMC->Gsatt("TSA2","SEEN",0); | |
1698 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1699 | gMC->Gsatt("TSA4","SEEN",0); |
1700 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1701 | gMC->Gsatt("TOFC","SEEN",1); |
1702 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1703 | gMC->Gsatt("TSA6","SEEN",0); |
1704 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1705 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1706 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1707 | gMC->Gsatt("TIIN","COLO",7); |
1708 | gMC->Gsatt("TII1","SEEN",0); | |
1709 | gMC->Gsatt("TIFC","SEEN",1); | |
1710 | gMC->Gsatt("TIFC","COLO",4); | |
1711 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1712 | gMC->Gsatt("TS10","SEEN",0); |
1713 | gMC->Gsatt("TS11","SEEN",0); | |
1714 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1715 | gMC->Gsatt("TS13","SEEN",0); |
1716 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1717 | gMC->Gsatt("TICC","SEEN",0); |
1718 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1719 | gMC->Gsatt("TS15","SEEN",0); |
1720 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1721 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1722 | gMC->Gsatt("TS18","SEEN",0); |
1723 | gMC->Gsatt("TS19","SEEN",0); | |
1724 | gMC->Gsatt("TPJ1","SEEN",0); | |
1725 | gMC->Gsatt("TPJ2","SEEN",0); | |
1726 | gMC->Gsatt("TICS","SEEN",0); | |
1727 | gMC->Gsatt("TDGN","SEEN",0); | |
37831078 | 1728 | gMC->Gsatt("TIRC","SEEN",0); |
1729 | gMC->Gsatt("TIC1","SEEN",1); | |
1730 | gMC->Gsatt("TIPP","SEEN",0); | |
1731 | gMC->Gsatt("TIC3","SEEN",0); | |
1732 | gMC->Gsatt("TRCE","SEEN",0); | |
1733 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1734 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1735 | gMC->Gsatt("TORC","SEEN",0); |
1736 | gMC->Gsatt("TOPP","SEEN",0); | |
1737 | gMC->Gsatt("TOC3","SEEN",0); | |
1738 | gMC->Gsatt("TOC1","SEEN",1); | |
1739 | gMC->Gsatt("TSSW","SEEN",1); | |
1740 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1741 | gMC->Gsatt("TSSW","COLO",3); |
1742 | gMC->Gsatt("TSWC","COLO",3); | |
1743 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1744 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1745 | gMC->Gsatt("TWES","SEEN",0); |
1746 | gMC->Gsatt("TSWB","SEEN",0); | |
1747 | gMC->Gsatt("TPEL","SEEN",0); | |
1748 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1749 | gMC->Gsatt("TESR","SEEN",1); |
1750 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1751 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1752 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1753 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1754 | gMC->Gsatt("THVM","SEEN",1); |
1755 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1756 | gMC->Gsatt("THVH","SEEN",0); |
1757 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1758 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1759 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1760 | gMC->Gsatt("THVE","SEEN",0); |
1761 | gMC->Gsatt("THVR","SEEN",0); | |
79575d04 | 1762 | gMC->Gsatt("TPSS","SEEN",0); |
1763 | gMC->Gsatt("TPUS","SEEN",0); | |
1764 | gMC->Gsatt("TPLS","SEEN",0); | |
37831078 | 1765 | |
1766 | // | |
1767 | gMC->Gdopt("hide", "on"); | |
1768 | gMC->Gdopt("shad", "on"); | |
1769 | gMC->Gsatt("*", "fill", 7); | |
1770 | gMC->SetClipBox("."); | |
1771 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1772 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1773 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1774 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1775 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1776 | gMC->DefaultRange(); | |
1777 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1778 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1779 | gMC->Gdman(18, 4, "MAN"); | |
1780 | gMC->Gdopt("hide","off"); | |
1781 | } | |
1782 | ||
1783 | //_____________________________________________________________________________ | |
1784 | void AliTPCv2::CreateMaterials() | |
1785 | { | |
1786 | // | |
1787 | // Define materials for version 2 of the Time Projection Chamber | |
1788 | // | |
1789 | ||
1790 | AliTPC::CreateMaterials(); | |
1791 | } | |
1792 | ||
1793 | //_____________________________________________________________________________ | |
1794 | void AliTPCv2::Init() | |
1795 | { | |
1796 | // | |
1797 | // Initialises version 2 of the TPC after that it has been built | |
1798 | // | |
1799 | ||
1800 | Int_t *idtmed = fIdtmed->GetArray(); | |
1801 | ||
1802 | AliTPC::Init(); | |
d4c354b9 | 1803 | |
1804 | ||
1805 | ||
1806 | fIdSens=gMC->VolId("TPSS"); | |
1807 | ||
1808 | fIdLSec=gMC->VolId("TPLS"); // lower sector | |
37831078 | 1809 | fIdUSec=gMC->VolId("TPUS"); // upper sector |
1810 | ||
1811 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1812 | ||
1813 | gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss | |
1814 | ||
f77f13c8 | 1815 | AliInfo("*** TPC version 2 initialized ***"); |
1816 | AliInfo(Form("Maximum number of steps = %d",gMC->GetMaxNStep())); | |
37831078 | 1817 | |
1818 | // | |
fe4da5cc | 1819 | |
1820 | } | |
1821 | ||
1822 | //_____________________________________________________________________________ | |
1823 | void AliTPCv2::StepManager() | |
1824 | { | |
1825 | // | |
1826 | // Called for every step in the Time Projection Chamber | |
1827 | // | |
1828 | ||
1829 | // | |
1830 | // parameters used for the energy loss calculations | |
1831 | // | |
73042f01 | 1832 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1833 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1834 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
fe4da5cc | 1835 | |
1836 | ||
73042f01 | 1837 | const Float_t kbig = 1.e10; |
fe4da5cc | 1838 | |
1839 | Int_t id,copy; | |
e61fd20d | 1840 | Float_t hits[5]; |
fe4da5cc | 1841 | Int_t vol[2]; |
37831078 | 1842 | TLorentzVector p; |
fe4da5cc | 1843 | |
37831078 | 1844 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1845 | |
1846 | // | |
1847 | ||
73042f01 | 1848 | gMC->SetMaxStep(kbig); |
fe4da5cc | 1849 | |
0a6d8768 | 1850 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1851 | |
cfce8870 | 1852 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1853 | |
1854 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1855 | ||
37831078 | 1856 | // check the sensitive volume |
1857 | ||
1858 | id = gMC->CurrentVolID(copy); // current volume Id | |
1859 | ||
2d74ba4f | 1860 | if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting()) && |
1861 | ((id == fIdLSec) || (id == fIdUSec)) ) { | |
da33556f | 1862 | |
5d12ce38 | 1863 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber()); |
da33556f | 1864 | } |
1865 | ||
37831078 | 1866 | if(id == fIdLSec){ |
1867 | vol[0] = copy-1; // lower sector number | |
1868 | } | |
1869 | else if(id == fIdUSec){ | |
1870 | vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number | |
1871 | } | |
1872 | else if(id == fIdSens && gMC->IsTrackEntering()){ | |
1873 | ||
1874 | // track is entering the sensitive strip | |
1875 | ||
1876 | vol[1]= copy-1; // row number (absolute) | |
1877 | ||
1878 | // sector type | |
1879 | ||
1880 | id = gMC->CurrentVolOffID(1,copy); | |
1881 | ||
1882 | if(id == fIdLSec){ | |
1883 | ||
1884 | // lower sector | |
1885 | ||
1886 | vol[0] = copy-1; // sector number | |
1887 | ||
fe4da5cc | 1888 | } |
37831078 | 1889 | else { |
1890 | ||
1891 | // upper sector | |
1892 | ||
1893 | vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number | |
6a905708 | 1894 | vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0) |
37831078 | 1895 | |
1896 | } | |
1897 | ||
1898 | if(vol[1] == 0){ | |
1899 | ||
1900 | // because Jouri wants to have this | |
1901 | ||
1902 | gMC->TrackMomentum(p); | |
1903 | hits[0]=p[0]; | |
1904 | hits[1]=p[1]; | |
1905 | hits[2]=p[2]; | |
fe4da5cc | 1906 | hits[3]=0.; // this hit has no energy loss |
642f15cf | 1907 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1908 | |
e61fd20d | 1909 | // Get also the track time for pileup simulation |
1910 | hits[4]=gMC->TrackTime(); | |
1911 | ||
5d12ce38 | 1912 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
37831078 | 1913 | |
930ee558 | 1914 | } |
37831078 | 1915 | |
930ee558 | 1916 | gMC->TrackPosition(p); |
1917 | hits[0]=p[0]; | |
1918 | hits[1]=p[1]; | |
1919 | hits[2]=p[2]; | |
1920 | hits[3]=0.; // this hit has no energy loss | |
642f15cf | 1921 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1922 | |
e61fd20d | 1923 | // Get also the track time for pileup simulation |
1924 | hits[4]=gMC->TrackTime(); | |
1925 | ||
5d12ce38 | 1926 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
930ee558 | 1927 | |
37831078 | 1928 | } |
fe4da5cc | 1929 | else return; |
37831078 | 1930 | |
1931 | //----------------------------------------------------------------- | |
fe4da5cc | 1932 | // charged particle is in the sensitive volume |
37831078 | 1933 | //----------------------------------------------------------------- |
fe4da5cc | 1934 | |
cfce8870 | 1935 | if(gMC->TrackStep() > 0) { |
fe4da5cc | 1936 | |
73042f01 | 1937 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
fe4da5cc | 1938 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1939 | ||
37831078 | 1940 | gMC->TrackPosition(p); |
1941 | hits[0]=p[0]; | |
1942 | hits[1]=p[1]; | |
1943 | hits[2]=p[2]; | |
fe4da5cc | 1944 | hits[3]=(Float_t)nel; |
1945 | ||
1946 | // Add this hit | |
1947 | ||
642f15cf | 1948 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1949 | if (fHitType&&2){ |
1950 | gMC->TrackMomentum(p); | |
1951 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1952 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
1953 | fTrackHits->SetHitPrecision(precision); | |
1954 | } | |
e61fd20d | 1955 | |
1956 | // Get also the track time for pileup simulation | |
1957 | hits[4]=gMC->TrackTime(); | |
1958 | ||
5d12ce38 | 1959 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
fe4da5cc | 1960 | |
1961 | } | |
1962 | ||
1963 | // Stemax calculation for the next step | |
1964 | ||
1965 | Float_t pp; | |
0a6d8768 | 1966 | TLorentzVector mom; |
1967 | gMC->TrackMomentum(mom); | |
1968 | Float_t ptot=mom.Rho(); | |
73042f01 | 1969 | Float_t betaGamma = ptot/gMC->TrackMass(); |
fe4da5cc | 1970 | |
69e40cce | 1971 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1972 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
fe4da5cc | 1973 | { |
73042f01 | 1974 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
fe4da5cc | 1975 | } |
1976 | else | |
1977 | { | |
595bf2c3 | 1978 | |
07521998 | 1979 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg |
595bf2c3 | 1980 | pp=kprim*BetheBloch(betaGamma); |
1981 | ||
fe4da5cc | 1982 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1983 | } | |
1984 | ||
b9d0a01d | 1985 | Double_t rnd = gMC->GetRandom()->Rndm(); |
fe4da5cc | 1986 | |
cfce8870 | 1987 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
fe4da5cc | 1988 | |
1989 | } | |
1990 | ||
1991 | //_____________________________________________________________________________ | |
1992 | Float_t AliTPCv2::BetheBloch(Float_t bg) | |
1993 | { | |
1994 | // | |
1995 | // Bethe-Bloch energy loss formula | |
1996 | // | |
73042f01 | 1997 | const Double_t kp1=0.76176e-1; |
1998 | const Double_t kp2=10.632; | |
1999 | const Double_t kp3=0.13279e-4; | |
2000 | const Double_t kp4=1.8631; | |
2001 | const Double_t kp5=1.9479; | |
fe4da5cc | 2002 | |
2003 | Double_t dbg = (Double_t) bg; | |
2004 | ||
2005 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
2006 | ||
73042f01 | 2007 | Double_t aa = TMath::Power(beta,kp4); |
2008 | Double_t bb = TMath::Power(1./dbg,kp5); | |
fe4da5cc | 2009 | |
73042f01 | 2010 | bb=TMath::Log(kp3+bb); |
fe4da5cc | 2011 | |
73042f01 | 2012 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
fe4da5cc | 2013 | } |
73042f01 | 2014 | |
2015 |