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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> |
88cb7938 | 36 | #include <TVirtualMC.h> |
116cbefd | 37 | #include <TPDGCode.h> |
bcac8ae4 | 38 | |
fe4da5cc | 39 | #include "AliConst.h" |
116cbefd | 40 | #include "AliRun.h" |
41 | #include "AliTPCDigitsArray.h" | |
73042f01 | 42 | #include "AliTPCParam.h" |
43 | #include "AliTPCParamSR.h" | |
4ed5dced | 44 | #include "AliTPCTrackHitsV2.h" |
116cbefd | 45 | #include "AliTPCv2.h" |
5d12ce38 | 46 | #include "AliMC.h" |
6a905708 | 47 | |
fe4da5cc | 48 | ClassImp(AliTPCv2) |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliTPCv2::AliTPCv2(const char *name, const char *title) : | |
52 | AliTPC(name, title) | |
53 | { | |
54 | // | |
55 | // Standard constructor for Time Projection Chamber version 2 | |
56 | // | |
37831078 | 57 | fIdSens=0; |
58 | fIdLSec=0; | |
59 | fIdUSec=0; | |
60 | ||
fe4da5cc | 61 | SetBufferSize(128000); |
73042f01 | 62 | |
63 | SetGasMixt(2,20,10,-1,0.9,0.1,0.); // Ne-CO2 90-10 | |
64 | ||
65 | // Default sectors | |
66 | ||
67 | SetSecAL(4); | |
68 | SetSecAU(4); | |
69 | SetSecLows(1, 2, 3, 19, 20, 21); | |
70 | SetSecUps(37, 38, 39, 37+18, 38+18, 39+18, -1, -1, -1, -1, -1, -1); | |
37831078 | 71 | SetSens(1); // sensitive strips set |
73042f01 | 72 | |
73 | if (fTPCParam) | |
74 | fTPCParam->Write(fTPCParam->GetTitle()); | |
fe4da5cc | 75 | } |
76 | ||
77 | //_____________________________________________________________________________ | |
78 | void AliTPCv2::CreateGeometry() | |
79 | { | |
80 | // | |
81 | // Create the geometry of Time Projection Chamber version 2 | |
82 | // | |
83 | //Begin_Html | |
84 | /* | |
37831078 | 85 | <img src="picts/AliTPC.gif"> |
fe4da5cc | 86 | */ |
87 | //End_Html | |
88 | //Begin_Html | |
89 | /* | |
1439f98e | 90 | <img src="picts/AliTPCv2Tree.gif"> |
fe4da5cc | 91 | */ |
92 | //End_Html | |
93 | ||
8c555625 | 94 | |
1283eee5 | 95 | Int_t *idtmed = fIdtmed->GetArray(); |
96 | ||
37831078 | 97 | Float_t dm[50]; |
62a73ee5 | 98 | Int_t idrotm[120]; |
1283eee5 | 99 | |
100 | Int_t nRotMat = 0; | |
101 | ||
d4c354b9 | 102 | Int_t i,ifl1=0; |
1283eee5 | 103 | |
37831078 | 104 | // number of sectors |
105 | ||
1283eee5 | 106 | Int_t nInnerSector = fTPCParam->GetNInnerSector()/2; |
107 | Int_t nOuterSector = fTPCParam->GetNOuterSector()/2; | |
fe4da5cc | 108 | |
109 | // --------------------------------------------------- | |
110 | // sector specification check | |
88cb7938 | 111 | // --------------------------------------------------- |
fe4da5cc | 112 | if (fSecAL >= 0) { |
113 | ifl1 = 0; | |
114 | ||
115 | for (i = 0; i < 6; ++i) { | |
1283eee5 | 116 | if (fSecLows[i] >= 0 && fSecLows[i] < 2*nInnerSector) { |
88cb7938 | 117 | ifl1 = 1; |
118 | printf("%s: *** SECTOR %d selected\n",ClassName(),fSecLows[i]); | |
fe4da5cc | 119 | } |
120 | } | |
121 | ||
122 | } else { | |
9e1a0ddb | 123 | printf("%s: *** ALL LOWER SECTORS SELECTED ***\n",ClassName()); |
8c555625 | 124 | ifl1 = 1; |
fe4da5cc | 125 | } |
126 | ||
d4c354b9 | 127 | if (ifl1 == 0) { |
9e1a0ddb | 128 | printf("%s: *** ERROR: AT LEAST ONE LOWER SECTOR MUST BE SPECIFIED ***\n",ClassName()); |
129 | printf("%s: !!! PROGRAM STOPPED !!!\n",ClassName()); | |
d4c354b9 | 130 | exit(1); |
131 | } | |
132 | ||
fe4da5cc | 133 | if (fSecAU >= 0) { |
fe4da5cc | 134 | |
135 | for (i = 0; i < 12; ++i) { | |
1283eee5 | 136 | if (fSecUps[i] > 2*nInnerSector-1 && |
137 | fSecUps[i] < 2*(nInnerSector+nOuterSector)) { | |
9e1a0ddb | 138 | printf("%s: *** SECTOR %d selected\n",ClassName(),fSecUps[i]); |
fe4da5cc | 139 | } |
140 | } | |
141 | ||
142 | } else { | |
9e1a0ddb | 143 | printf("%s: *** ALL UPPER SECTORS SELECTED ***\n",ClassName()); |
fe4da5cc | 144 | } |
145 | ||
d4c354b9 | 146 | |
37831078 | 147 | |
148 | //-------------------------------------------------------------------- | |
149 | ||
150 | // | |
79575d04 | 151 | // Mother volume TPC (Air) - all volumes will be positioned in it |
37831078 | 152 | // |
79575d04 | 153 | |
37831078 | 154 | dm[0]=0.; |
155 | dm[1]=360.; | |
79575d04 | 156 | dm[2]=8.; |
1283eee5 | 157 | |
37831078 | 158 | // |
1283eee5 | 159 | |
79575d04 | 160 | dm[3]=-283.7; |
2a1efbbd | 161 | dm[4]=77.017; |
79575d04 | 162 | dm[5]=278.; |
1283eee5 | 163 | |
37831078 | 164 | // |
1283eee5 | 165 | |
79575d04 | 166 | dm[6]=-253.6; |
167 | dm[7]=65.6; | |
168 | dm[8]=278.; | |
1283eee5 | 169 | |
37831078 | 170 | // |
1283eee5 | 171 | |
79575d04 | 172 | dm[9]=-73.3; |
173 | dm[10]=60.9; | |
174 | dm[11]=278.; | |
1283eee5 | 175 | |
37831078 | 176 | // |
1283eee5 | 177 | |
79575d04 | 178 | dm[12]=-73.3; |
179 | dm[13]=56.9; | |
180 | dm[14]=278.; | |
1283eee5 | 181 | |
37831078 | 182 | // |
1283eee5 | 183 | |
79575d04 | 184 | dm[15]=73.3; |
185 | dm[16]=56.9; | |
186 | dm[17]=278.; | |
1283eee5 | 187 | |
37831078 | 188 | // |
1283eee5 | 189 | |
79575d04 | 190 | dm[18]=73.3; |
191 | dm[19]=60.9; | |
192 | dm[20]=278.; | |
1283eee5 | 193 | |
37831078 | 194 | // |
1283eee5 | 195 | |
79575d04 | 196 | dm[21]=253.6; |
197 | dm[22]=65.6; | |
198 | dm[23]=278.; | |
1283eee5 | 199 | |
37831078 | 200 | // |
1283eee5 | 201 | |
79575d04 | 202 | dm[24]=283.7; |
2a1efbbd | 203 | dm[25]=77.017; |
79575d04 | 204 | dm[26]=278.; |
205 | ||
206 | gMC->Gsvolu("TPC ","PCON",idtmed[0],dm,27); | |
1283eee5 | 207 | |
79575d04 | 208 | // outer part |
1283eee5 | 209 | |
37831078 | 210 | //------------------------------------------------------------------- |
79575d04 | 211 | // Tpc Outer INsulator (CO2) - contains cont. vessel and field cage |
37831078 | 212 | //------------------------------------------------------------------- |
1283eee5 | 213 | |
37831078 | 214 | dm[0]= 0.; |
215 | dm[1]= 360.; | |
216 | dm[2]= 6.; | |
1283eee5 | 217 | |
37831078 | 218 | // |
1283eee5 | 219 | |
79575d04 | 220 | dm[3]=-253.6; |
221 | dm[4]=258.; | |
222 | dm[5]=275.5; | |
1283eee5 | 223 | |
37831078 | 224 | // |
1283eee5 | 225 | |
79575d04 | 226 | dm[6]=-250.6; |
227 | dm[7]=258.; | |
228 | dm[8]=275.5; | |
1283eee5 | 229 | |
37831078 | 230 | // |
cc80f89e | 231 | |
79575d04 | 232 | dm[9]=-250.6; |
233 | dm[10]=258.; | |
234 | dm[11]=278.; | |
1283eee5 | 235 | |
79575d04 | 236 | // |
1283eee5 | 237 | |
79575d04 | 238 | dm[12]=253.6; |
239 | dm[13]=258.; | |
240 | dm[14]=278.; | |
1283eee5 | 241 | |
37831078 | 242 | // |
1283eee5 | 243 | |
79575d04 | 244 | dm[15]=253.6; |
245 | dm[16]=264.8; | |
246 | dm[17]=278.; | |
1283eee5 | 247 | |
37831078 | 248 | // |
1283eee5 | 249 | |
79575d04 | 250 | dm[18]=256.6; |
251 | dm[19]=264.8; | |
252 | dm[20]=278.; | |
1283eee5 | 253 | |
79575d04 | 254 | gMC->Gsvolu("TOIN","PCON",idtmed[3],dm,21); |
1283eee5 | 255 | |
37831078 | 256 | //---------------------------------------------------------------- |
257 | // Tpc Outer Contaiment Vessel | |
258 | // mother volume - Al, daughters - composite (sandwich) | |
259 | //---------------------------------------------------------------- | |
79575d04 | 260 | |
261 | dm[0]=0.; | |
262 | dm[1]=360.; | |
720b23b8 | 263 | dm[2]=6.; |
1283eee5 | 264 | |
37831078 | 265 | // |
cc80f89e | 266 | |
79575d04 | 267 | dm[3]=-250.6; |
268 | dm[4]=270.4; | |
269 | dm[5]=278.; | |
1283eee5 | 270 | |
37831078 | 271 | // |
1283eee5 | 272 | |
79575d04 | 273 | dm[6]=-247.6; |
274 | dm[7]=270.4; | |
275 | dm[8]=278.; | |
1283eee5 | 276 | |
37831078 | 277 | // |
79575d04 | 278 | |
279 | dm[9]=-247.6; | |
cea9b4f7 | 280 | dm[10]=274.8124; |
79575d04 | 281 | dm[11]=278.; |
282 | ||
37831078 | 283 | // |
1283eee5 | 284 | |
79575d04 | 285 | dm[12]=253.6; |
cea9b4f7 | 286 | dm[13]=274.8124; |
79575d04 | 287 | dm[14]=278.; |
1283eee5 | 288 | |
720b23b8 | 289 | // |
1283eee5 | 290 | |
79575d04 | 291 | dm[15]=253.6; |
292 | dm[16]=264.8; | |
293 | dm[17]=278.; | |
1283eee5 | 294 | |
79575d04 | 295 | // |
720b23b8 | 296 | |
79575d04 | 297 | dm[18]=256.6; |
298 | dm[19]=264.8; | |
299 | dm[20]=278.; | |
720b23b8 | 300 | |
301 | gMC->Gsvolu("TOCV","PCON",idtmed[4],dm,21); | |
1283eee5 | 302 | |
79575d04 | 303 | // Daughter volumes - sandwich |
1283eee5 | 304 | |
37831078 | 305 | // Tpc SAndwich 1 - Al |
79575d04 | 306 | |
cea9b4f7 | 307 | dm[0]=274.8124; |
79575d04 | 308 | dm[1]=278.; |
309 | dm[2]=252.1; | |
1283eee5 | 310 | |
37831078 | 311 | gMC->Gsvolu("TSA1","TUBE",idtmed[4],dm,3); |
1283eee5 | 312 | |
79575d04 | 313 | // Tpc SAndwich 2 - epoxy glue (I use Lexan) |
1283eee5 | 314 | |
37831078 | 315 | dm[0] += 5.e-3; |
316 | dm[1] -= 5.e-3; | |
79575d04 | 317 | |
318 | gMC->Gsvolu("TSA2","TUBE",idtmed[14],dm,3); | |
319 | ||
320 | // Tpc SAndwich 3 - Tedlar | |
321 | ||
322 | dm[0] += 0.01; | |
323 | dm[1] -= 0.01; | |
37831078 | 324 | |
79575d04 | 325 | gMC->Gsvolu("TSA3","TUBE",idtmed[9],dm,3); |
1283eee5 | 326 | |
8c555625 | 327 | |
79575d04 | 328 | // Tpc SAndwich 4 - fiber glass (G10) |
8c555625 | 329 | |
cea9b4f7 | 330 | dm[0] += 3.8e-3; |
331 | dm[1] -= 3.8e-3; | |
8c555625 | 332 | |
79575d04 | 333 | gMC->Gsvolu("TSA4","TUBE",idtmed[12],dm,3); |
1283eee5 | 334 | |
79575d04 | 335 | // Tpc SAndwich 5 - NOMEX honeycomb |
1283eee5 | 336 | |
79575d04 | 337 | dm[0] += 0.075; |
338 | dm[1] -= 0.075; | |
37831078 | 339 | |
79575d04 | 340 | gMC->Gsvolu("TSA5","TUBE",idtmed[6],dm,3); |
341 | ||
342 | // 5->4->3->2->1->TCOV | |
8c555625 | 343 | |
79575d04 | 344 | |
345 | gMC->Gspos("TSA5",1,"TSA4",0.,0.,0.,0,"ONLY"); | |
37831078 | 346 | gMC->Gspos("TSA4",1,"TSA3",0.,0.,0.,0,"ONLY"); |
347 | gMC->Gspos("TSA3",1,"TSA2",0.,0.,0.,0,"ONLY"); | |
79575d04 | 348 | gMC->Gspos("TSA2",1,"TSA1",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 349 | |
79575d04 | 350 | gMC->Gspos("TSA1",1,"TOCV",0.,0.,3.,0,"ONLY"); |
fe4da5cc | 351 | |
37831078 | 352 | // TCOV-> TOIN |
fe4da5cc | 353 | |
37831078 | 354 | gMC->Gspos("TOCV",1,"TOIN",0.,0.,0.,0,"ONLY"); |
fe4da5cc | 355 | |
37831078 | 356 | //------------------------------------------------------- |
357 | // Tpc Outer Field Cage | |
358 | // mother volume - Al, daughters - composite (sandwich) | |
359 | //------------------------------------------------------- | |
1283eee5 | 360 | |
37831078 | 361 | dm[0]=0.; |
362 | dm[1]=360.; | |
363 | dm[2]=6.; | |
1283eee5 | 364 | |
79575d04 | 365 | // |
366 | ||
367 | dm[3]=-253.6; | |
368 | dm[4]=258.; | |
369 | dm[5]=275.5; | |
1283eee5 | 370 | |
37831078 | 371 | // |
1283eee5 | 372 | |
79575d04 | 373 | dm[6]=-250.6; |
374 | dm[7]=258.; | |
375 | dm[8]=275.5; | |
1283eee5 | 376 | |
37831078 | 377 | // |
79575d04 | 378 | |
379 | dm[9]=-250.6; | |
380 | dm[10]=258.; | |
cea9b4f7 | 381 | dm[11]=260.0476; |
1283eee5 | 382 | |
37831078 | 383 | // |
1283eee5 | 384 | |
79575d04 | 385 | dm[12]=250.6; |
386 | dm[13]=258.; | |
cea9b4f7 | 387 | dm[14]=260.0476; |
1283eee5 | 388 | |
37831078 | 389 | // |
1283eee5 | 390 | |
79575d04 | 391 | dm[15]=250.6; |
392 | dm[16]=258.; | |
dcf38560 | 393 | dm[17]=269.6; |
1283eee5 | 394 | |
37831078 | 395 | // |
1283eee5 | 396 | |
79575d04 | 397 | dm[18]=253.6; |
398 | dm[19]=258.; | |
dcf38560 | 399 | dm[20]=269.6; |
1283eee5 | 400 | |
79575d04 | 401 | gMC->Gsvolu("TOFC","PCON",idtmed[4],dm,21); |
1283eee5 | 402 | |
37831078 | 403 | // Daughter volumes |
1283eee5 | 404 | |
79575d04 | 405 | // Tpc SAndwich 6 - Tedlar |
1283eee5 | 406 | |
37831078 | 407 | dm[0]= 258.; |
cea9b4f7 | 408 | dm[1]= 260.0476; |
79575d04 | 409 | dm[2]= 252.1; |
1283eee5 | 410 | |
79575d04 | 411 | gMC->Gsvolu("TSA6","TUBE",idtmed[9],dm,3); |
1283eee5 | 412 | |
79575d04 | 413 | // Tpc SAndwich 7 - fiber glass |
1283eee5 | 414 | |
cea9b4f7 | 415 | dm[0] += 3.8e-3; |
416 | dm[1] -= 3.8e-3; | |
1283eee5 | 417 | |
79575d04 | 418 | gMC->Gsvolu("TSA7","TUBE",idtmed[12],dm,3); |
1283eee5 | 419 | |
1283eee5 | 420 | |
37831078 | 421 | // Tpc SAndwich 8 - NOMEX |
1283eee5 | 422 | |
37831078 | 423 | dm[0] += 0.02; |
424 | dm[1] -= 0.02; | |
1283eee5 | 425 | |
79575d04 | 426 | gMC->Gsvolu("TSA8","TUBE",idtmed[6],dm,3); |
1283eee5 | 427 | |
79575d04 | 428 | // 8->7->6->TOFC |
1283eee5 | 429 | |
79575d04 | 430 | gMC->Gspos("TSA8",1,"TSA7",0.,0.,0.,0,"ONLY"); |
431 | gMC->Gspos("TSA7",1,"TSA6",0.,0.,0.,0,"ONLY"); | |
432 | gMC->Gspos("TSA6",1,"TOFC",0.,0.,0.,0,"ONLY"); | |
fe4da5cc | 433 | |
dcf38560 | 434 | // TOFC->TOIN |
435 | // TOFC overlaps with | |
fe4da5cc | 436 | |
79575d04 | 437 | gMC->Gspos("TOFC",1,"TOIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 438 | |
37831078 | 439 | // TOIN->TPC |
1283eee5 | 440 | |
37831078 | 441 | gMC->Gspos("TOIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
1283eee5 | 442 | |
79575d04 | 443 | // inner part |
1283eee5 | 444 | |
79575d04 | 445 | //-------------------------------------------------------------------- |
446 | // Tpc Inner INsulator (CO2) - inner f.c. will be placed there | |
447 | // Inner containment vessel will be placed directly in the TPC | |
448 | //-------------------------------------------------------------------- | |
1283eee5 | 449 | |
37831078 | 450 | dm[0]=0.; |
79575d04 | 451 | dm[1]=360.; |
452 | dm[2]=4.; | |
1283eee5 | 453 | |
79575d04 | 454 | // |
1283eee5 | 455 | |
79575d04 | 456 | dm[3]=-253.6; |
457 | dm[4]=65.9; | |
458 | dm[5]=79.2; | |
1283eee5 | 459 | |
37831078 | 460 | // |
1283eee5 | 461 | |
79575d04 | 462 | dm[6]=-73.3; |
463 | dm[7]=61.2; | |
464 | dm[8]=79.2; | |
1283eee5 | 465 | |
37831078 | 466 | // |
1283eee5 | 467 | |
79575d04 | 468 | dm[9]=73.3; |
469 | dm[10]=61.2; | |
470 | dm[11]=79.2; | |
1283eee5 | 471 | |
37831078 | 472 | // |
1283eee5 | 473 | |
79575d04 | 474 | dm[12]=253.6; |
475 | dm[13]=65.9; | |
476 | dm[14]=79.2; | |
1283eee5 | 477 | |
79575d04 | 478 | gMC->Gsvolu("TIIN","PCON",idtmed[3],dm,15); |
1283eee5 | 479 | |
79575d04 | 480 | // the middle part of the F.C. is thinner - carve out the strip - Ne-CO2 |
1283eee5 | 481 | |
79575d04 | 482 | dm[0]=79.16; |
483 | dm[1]=79.2; | |
484 | dm[2]=88.; | |
1283eee5 | 485 | |
79575d04 | 486 | gMC->Gsvolu("TII1","TUBE",idtmed[1],dm,3); |
1283eee5 | 487 | |
79575d04 | 488 | gMC->Gspos("TII1",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 489 | |
79575d04 | 490 | //----------------------------------------------------- |
491 | // Tpc Inner Field Cage | |
492 | // mother volume - Al, daughters - composite (sandwich) | |
493 | //------------------------------------------------------ | |
1283eee5 | 494 | |
79575d04 | 495 | dm[0]=0.; |
496 | dm[1]=360.; | |
497 | dm[2]=10.; | |
1283eee5 | 498 | |
37831078 | 499 | // |
1283eee5 | 500 | |
79575d04 | 501 | dm[3]=-253.6; |
502 | dm[4]=70.3; | |
503 | dm[5]=79.2; | |
1283eee5 | 504 | |
37831078 | 505 | // |
1283eee5 | 506 | |
79575d04 | 507 | dm[6]=-250.6; |
508 | dm[7]=70.3; | |
509 | dm[8]=79.2; | |
1283eee5 | 510 | |
37831078 | 511 | // |
1283eee5 | 512 | |
79575d04 | 513 | dm[9]=-250.6; |
cea9b4f7 | 514 | dm[10]=77.0524; |
79575d04 | 515 | dm[11]=79.2; |
37831078 | 516 | |
517 | // | |
518 | ||
79575d04 | 519 | dm[12]=-88.; |
cea9b4f7 | 520 | dm[13]=77.0524; |
79575d04 | 521 | dm[14]=79.2; |
1283eee5 | 522 | |
37831078 | 523 | // |
1283eee5 | 524 | |
79575d04 | 525 | dm[15]=-88.; |
cea9b4f7 | 526 | dm[16]=77.0924; |
79575d04 | 527 | dm[17]=79.16; |
1283eee5 | 528 | |
529 | // | |
37831078 | 530 | |
79575d04 | 531 | dm[18]=88.; |
cea9b4f7 | 532 | dm[19]=77.0924; |
79575d04 | 533 | dm[20]=79.16; |
37831078 | 534 | |
1283eee5 | 535 | // |
536 | ||
79575d04 | 537 | dm[21]=88.; |
cea9b4f7 | 538 | dm[22]=77.0524; |
79575d04 | 539 | dm[23]=79.2; |
1283eee5 | 540 | |
37831078 | 541 | // |
1283eee5 | 542 | |
79575d04 | 543 | dm[24]=250.6; |
cea9b4f7 | 544 | dm[25]=77.0524; |
79575d04 | 545 | dm[26]=79.2; |
1283eee5 | 546 | |
37831078 | 547 | // |
1283eee5 | 548 | |
79575d04 | 549 | dm[27]=250.6; |
550 | dm[28]=70.3; | |
551 | dm[29]=79.2; | |
1283eee5 | 552 | |
37831078 | 553 | // |
1283eee5 | 554 | |
79575d04 | 555 | dm[30]=253.6; |
556 | dm[31]=70.3; | |
557 | dm[32]=79.2; | |
1283eee5 | 558 | |
79575d04 | 559 | gMC->Gsvolu("TIFC","PCON",idtmed[4],dm,33); |
1283eee5 | 560 | |
79575d04 | 561 | // daughter volumes - central part |
1283eee5 | 562 | |
79575d04 | 563 | // Tpc Sandwich 9 -Tedlar |
1283eee5 | 564 | |
cea9b4f7 | 565 | dm[0]=77.0924; |
79575d04 | 566 | dm[1]=79.16; |
567 | dm[2]=88.; | |
1283eee5 | 568 | |
79575d04 | 569 | gMC->Gsvolu("TSA9","TUBE",idtmed[9],dm,3); |
1283eee5 | 570 | |
79575d04 | 571 | // Tpc Sandwich 10 - fiber glass (G10) |
1283eee5 | 572 | |
cea9b4f7 | 573 | dm[0] += 3.8e-3; |
574 | dm[1] -= 3.8e-3; | |
1283eee5 | 575 | |
79575d04 | 576 | gMC->Gsvolu("TS10","TUBE",idtmed[12],dm,3); |
1283eee5 | 577 | |
79575d04 | 578 | // Tpc Sandwich 11 - NOMEX |
1283eee5 | 579 | |
79575d04 | 580 | dm[0] += 0.03; |
581 | dm[1] -= 0.03; | |
1283eee5 | 582 | |
79575d04 | 583 | gMC->Gsvolu("TS11","TUBE",idtmed[6],dm,3); |
1283eee5 | 584 | |
79575d04 | 585 | // 11->10->9->TIFC |
1283eee5 | 586 | |
79575d04 | 587 | gMC->Gspos("TS11",1,"TS10",0.,0.,0.,0,"ONLY"); |
588 | gMC->Gspos("TS10",1,"TSA9",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 589 | |
79575d04 | 590 | gMC->Gspos("TSA9",1,"TIFC",0.,0.,0.,0,"ONLY"); |
1283eee5 | 591 | |
79575d04 | 592 | // daughter volumes - outer parts (reinforced) |
1283eee5 | 593 | |
79575d04 | 594 | // Tpc Sandwich 12 -Tedlar |
1283eee5 | 595 | |
cea9b4f7 | 596 | dm[0]=77.0524; |
79575d04 | 597 | dm[1]=79.2; |
598 | dm[2]=82.05; | |
1283eee5 | 599 | |
79575d04 | 600 | gMC->Gsvolu("TS12","TUBE",idtmed[9],dm,3); |
1283eee5 | 601 | |
79575d04 | 602 | // Tpc Sandwich 13 - fiber glass (G10) |
1283eee5 | 603 | |
cea9b4f7 | 604 | dm[0] += 3.8e-3; |
605 | dm[1] -= 3.8e-3; | |
1283eee5 | 606 | |
79575d04 | 607 | gMC->Gsvolu("TS13","TUBE",idtmed[12],dm,3); |
1283eee5 | 608 | |
79575d04 | 609 | // Tpc Sandwich 14 - NOMEX |
1283eee5 | 610 | |
79575d04 | 611 | dm[0] += 0.07; |
612 | dm[1] -= 0.07; | |
1283eee5 | 613 | |
79575d04 | 614 | gMC->Gsvolu("TS14","TUBE",idtmed[6],dm,3); |
1283eee5 | 615 | |
79575d04 | 616 | // 14->13->12->TIFC |
1283eee5 | 617 | |
79575d04 | 618 | gMC->Gspos("TS14",1,"TS13",0.,0.,0.,0,"ONLY"); |
619 | gMC->Gspos("TS13",1,"TS12",0.,0.,0.,0,"ONLY"); | |
1283eee5 | 620 | |
79575d04 | 621 | gMC->Gspos("TS12",1,"TIFC",0.,0.,170.05,0,"ONLY"); |
622 | gMC->Gspos("TS12",2,"TIFC",0.,0.,-170.05,0,"ONLY"); | |
1283eee5 | 623 | |
79575d04 | 624 | // place this inside the inner insulator |
1283eee5 | 625 | |
79575d04 | 626 | gMC->Gspos("TIFC",1,"TIIN",0.,0.,0.,0,"ONLY"); |
1283eee5 | 627 | |
79575d04 | 628 | // and now in the TPC... |
1283eee5 | 629 | |
79575d04 | 630 | gMC->Gspos("TIIN",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 631 | |
79575d04 | 632 | //--------------------------------------------------------- |
633 | // Tpc Inner Containment vessel - Cones | |
634 | //--------------------------------------------------------- | |
1283eee5 | 635 | |
79575d04 | 636 | dm[0]=0.; |
637 | dm[1]=360.; | |
37831078 | 638 | dm[2]=8.; |
1283eee5 | 639 | |
37831078 | 640 | // |
1283eee5 | 641 | |
79575d04 | 642 | dm[3]=71.8; |
643 | dm[4]=56.9; | |
644 | dm[5]=59.4; | |
1283eee5 | 645 | |
37831078 | 646 | // |
1283eee5 | 647 | |
79575d04 | 648 | dm[6]=73.; |
649 | dm[7]=56.9; | |
650 | dm[8]=59.4; | |
1283eee5 | 651 | |
37831078 | 652 | // |
1283eee5 | 653 | |
79575d04 | 654 | dm[9]=73.; |
655 | dm[10]=56.9; | |
656 | dm[11]=61.2; | |
1283eee5 | 657 | |
37831078 | 658 | // |
1283eee5 | 659 | |
79575d04 | 660 | dm[12]=73.3; |
661 | dm[13]=56.9; | |
662 | dm[14]=61.2; | |
1283eee5 | 663 | |
37831078 | 664 | // |
79575d04 | 665 | |
666 | dm[15]=73.3; | |
667 | dm[16]=60.9; | |
668 | dm[17]=61.2; | |
1283eee5 | 669 | |
79575d04 | 670 | // |
1283eee5 | 671 | |
79575d04 | 672 | dm[18]=253.6; |
673 | dm[19]=65.6; | |
674 | dm[20]=65.9; | |
1283eee5 | 675 | |
37831078 | 676 | // |
1283eee5 | 677 | |
79575d04 | 678 | dm[21]=253.6; |
679 | dm[22]=65.6; | |
f4900c61 | 680 | dm[23]=74.6; |
1283eee5 | 681 | |
37831078 | 682 | // |
1283eee5 | 683 | |
f4900c61 | 684 | dm[24]=256.6; |
79575d04 | 685 | dm[25]=65.6; |
f4900c61 | 686 | dm[26]=74.6; |
1283eee5 | 687 | |
79575d04 | 688 | gMC->Gsvolu("TICC","PCON",idtmed[4],dm,27); |
1283eee5 | 689 | |
79575d04 | 690 | Float_t phi1,phi2,phi3,theta1,theta2,theta3; // rotation angles |
1283eee5 | 691 | |
79575d04 | 692 | // reflection matrix |
693 | ||
694 | theta1 = 90.; | |
695 | phi1 = 0.; | |
696 | theta2 = 90.; | |
697 | phi2 = 270.; | |
698 | theta3 = 180.; | |
699 | phi3 = 0.; | |
1283eee5 | 700 | |
79575d04 | 701 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); |
1283eee5 | 702 | |
79575d04 | 703 | gMC->Gspos("TICC",1,"TPC ",0.,0.,0.,0,"ONLY"); |
704 | gMC->Gspos("TICC",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
1283eee5 | 705 | |
1283eee5 | 706 | |
79575d04 | 707 | //--------------------------------------------------------- |
708 | // Tpc Inner Containment vessel - Middle part -Al | |
709 | //--------------------------------------------------------- | |
1283eee5 | 710 | |
79575d04 | 711 | dm[0]=0.; |
712 | dm[1]=360.; | |
713 | dm[2]=6.; | |
1283eee5 | 714 | |
37831078 | 715 | // |
1283eee5 | 716 | |
79575d04 | 717 | dm[3]=-71.6; |
718 | dm[4]=60.2; | |
719 | dm[5]=61.2; | |
1283eee5 | 720 | |
37831078 | 721 | // |
1283eee5 | 722 | |
79575d04 | 723 | dm[6]=-69.1; |
724 | dm[7]=60.2; | |
725 | dm[8]=61.2; | |
1283eee5 | 726 | |
37831078 | 727 | // |
1283eee5 | 728 | |
79575d04 | 729 | dm[9]=-69.1; |
cea9b4f7 | 730 | dm[10]=60.6224; |
79575d04 | 731 | dm[11]=61.2; |
1283eee5 | 732 | |
fe4da5cc | 733 | // |
734 | ||
79575d04 | 735 | dm[12]=69.1; |
cea9b4f7 | 736 | dm[13]=60.6224; |
79575d04 | 737 | dm[14]=61.2; |
fe4da5cc | 738 | |
fe4da5cc | 739 | // |
740 | ||
79575d04 | 741 | dm[15]=69.1; |
742 | dm[16]=60.2; | |
743 | dm[17]=61.2; | |
37831078 | 744 | |
fe4da5cc | 745 | // |
37831078 | 746 | |
79575d04 | 747 | dm[18]=71.6; |
748 | dm[19]=60.2; | |
749 | dm[20]=61.2; | |
37831078 | 750 | |
79575d04 | 751 | gMC->Gsvolu("TICM","PCON",idtmed[4],dm,21); |
fe4da5cc | 752 | |
79575d04 | 753 | // Tpc Sandwich 15 - Al |
37831078 | 754 | |
cea9b4f7 | 755 | dm[0]=60.6224; |
79575d04 | 756 | dm[1]=61.2; |
757 | dm[2]=70.1; | |
37831078 | 758 | |
79575d04 | 759 | gMC->Gsvolu("TS15","TUBE",idtmed[4],dm,3); |
fe4da5cc | 760 | |
79575d04 | 761 | // Tpc Sandwich 16 - epoxy glue |
fe4da5cc | 762 | |
79575d04 | 763 | dm[0] += 5.e-3; |
764 | dm[1] -= 5.e-3; | |
fe4da5cc | 765 | |
79575d04 | 766 | gMC->Gsvolu("TS16","TUBE",idtmed[14],dm,3); |
fe4da5cc | 767 | |
6a905708 | 768 | // Tpc Sandwich 17 - Tedlar |
37831078 | 769 | |
79575d04 | 770 | dm[0] += 0.01; |
771 | dm[1] -= 0.01; | |
37831078 | 772 | |
6a905708 | 773 | gMC->Gsvolu("TS17","TUBE",idtmed[9],dm,3); |
37831078 | 774 | |
cea9b4f7 | 775 | // Tpc Sandwich 18 - carbon fiber |
37831078 | 776 | |
cea9b4f7 | 777 | dm[0] += 3.8e-3; |
778 | dm[1] -= 3.8e-3; | |
37831078 | 779 | |
cea9b4f7 | 780 | gMC->Gsvolu("TS18","TUBE",idtmed[15],dm,3); |
37831078 | 781 | |
79575d04 | 782 | // Tpc Sandwich 19 - Nomex |
37831078 | 783 | |
cea9b4f7 | 784 | dm[0] += 0.02; |
785 | dm[1] -= 0.02; | |
37831078 | 786 | |
90222263 | 787 | gMC->Gsvolu("TS19","TUBE",idtmed[6],dm,3); |
37831078 | 788 | |
79575d04 | 789 | // 19->18->17->16->15-> TICM |
37831078 | 790 | |
79575d04 | 791 | gMC->Gspos("TS19",1,"TS18",0.,0.,0.,0,"ONLY"); |
37831078 | 792 | gMC->Gspos("TS18",1,"TS17",0.,0.,0.,0,"ONLY"); |
79575d04 | 793 | gMC->Gspos("TS17",1,"TS16",0.,0.,0.,0,"ONLY"); |
794 | gMC->Gspos("TS16",1,"TS15",0.,0.,0.,0,"ONLY"); | |
37831078 | 795 | |
79575d04 | 796 | gMC->Gspos("TS15",1,"TICM ",0.,0.,0.,0,"ONLY"); |
797 | ||
37831078 | 798 | |
79575d04 | 799 | // TPc inner cont. vessel Joints |
37831078 | 800 | |
79575d04 | 801 | dm[0]=60.2; |
802 | dm[1]=61.2; | |
803 | dm[2]=0.5; | |
37831078 | 804 | |
79575d04 | 805 | gMC->Gsvolu("TPJ1","TUBE",idtmed[4],dm,3); |
37831078 | 806 | |
79575d04 | 807 | gMC->Gspos("TPJ1",1,"TPC ",0.,0.,72.3,0,"ONLY"); |
808 | gMC->Gspos("TPJ1",2,"TPC ",0.,0.,-72.3,0,"ONLY"); | |
37831078 | 809 | |
79575d04 | 810 | // |
37831078 | 811 | |
79575d04 | 812 | dm[0]=0.; |
813 | dm[1]=360.; | |
814 | dm[2]=4.; | |
37831078 | 815 | |
79575d04 | 816 | // |
37831078 | 817 | |
79575d04 | 818 | dm[3]=70.8; |
819 | dm[4]=58.4; | |
820 | dm[5]=60.1; | |
37831078 | 821 | |
79575d04 | 822 | // |
37831078 | 823 | |
79575d04 | 824 | dm[6]=71.2; |
825 | dm[7]=58.4; | |
826 | dm[8]=60.1; | |
37831078 | 827 | |
79575d04 | 828 | // |
37831078 | 829 | |
79575d04 | 830 | dm[9]=71.2; |
831 | dm[10]=58.4; | |
832 | dm[11]=59.4; | |
37831078 | 833 | |
79575d04 | 834 | // |
37831078 | 835 | |
79575d04 | 836 | dm[12]=71.6; |
837 | dm[13]=58.4; | |
838 | dm[14]=59.4; | |
37831078 | 839 | |
79575d04 | 840 | gMC->Gsvolu("TPJ2","PCON",idtmed[4],dm,15); |
37831078 | 841 | |
79575d04 | 842 | gMC->Gspos("TPJ2",1,"TPC ",0.,0.,0.,0,"ONLY"); |
843 | gMC->Gspos("TPJ2",2,"TPC ",0.,0.,0.,idrotm[nRotMat],"ONLY"); | |
37831078 | 844 | |
37831078 | 845 | |
37831078 | 846 | |
79575d04 | 847 | // Tpc Inner Containment vessel Seal (Viton, I use Lexan for a time being) |
37831078 | 848 | |
79575d04 | 849 | dm[0]=58.4; |
850 | dm[1]=61.2; | |
851 | dm[2]=0.1; | |
37831078 | 852 | |
79575d04 | 853 | gMC->Gsvolu("TICS","TUBE",idtmed[14],dm,3); |
37831078 | 854 | |
79575d04 | 855 | gMC->Gspos("TICS",1,"TPC ",0.,0.,71.7,0,"ONLY"); |
856 | gMC->Gspos("TICS",2,"TPC ",0.,0.,-71.7,0,"ONLY"); | |
37831078 | 857 | |
79575d04 | 858 | // TICM -> TPC |
37831078 | 859 | |
79575d04 | 860 | gMC->Gspos("TICM",1,"TPC ",0.,0.,0.,0,"ONLY"); |
37831078 | 861 | |
79575d04 | 862 | // |
37831078 | 863 | |
79575d04 | 864 | nRotMat++; // prepare for the next rotation matrix |
37831078 | 865 | |
866 | //--------------------------------------------------------- | |
867 | // Tpc Dift Gas volume Nonsensitive (Ne-CO2 90/10) | |
868 | // and its daughters (HV membrane, rods, readout chambers) | |
869 | //--------------------------------------------------------- | |
870 | ||
871 | dm[0]= 79.2; | |
872 | dm[1]= 258.0; | |
873 | dm[2]= 253.6; | |
874 | ||
79575d04 | 875 | gMC->Gsvolu("TDGN","TUBE",idtmed[1],dm,3); |
37831078 | 876 | |
79575d04 | 877 | // sector opening angles |
37831078 | 878 | |
879 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); | |
880 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
881 | ||
882 | // sector angle shift | |
883 | ||
884 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); | |
885 | ||
79575d04 | 886 | |
37831078 | 887 | // All above parameters are identical for inner and outer |
888 | // sectors. The distinction is kept for the historical reasons | |
889 | // and eventually will disappear. | |
890 | ||
891 | Float_t tanAlpha = TMath::Tan(0.5*innerOpenAngle); | |
892 | Float_t cosAlpha = TMath::Sqrt(1.+tanAlpha*tanAlpha); | |
893 | Float_t space; | |
894 | ||
895 | //------------------------------------------------------------------------- | |
896 | // Tpc Inner Readout Chambers | |
897 | //------------------------------------------------------------------------- | |
898 | ||
899 | dm[0]= 14.483; | |
900 | dm[1]= 23.3345; | |
901 | dm[2]= 1.6; // thickness | |
902 | dm[3]= 25.1; | |
903 | ||
904 | gMC->Gsvolu("TIRC","TRD1",idtmed[4],dm,4); | |
905 | ||
906 | // this volume will be positioned in the empty space | |
907 | // of the end-cap to avoid overlaps | |
908 | ||
909 | dm[0]= 13.7305; | |
910 | dm[1]= 21.1895; | |
911 | dm[2]= 2.25; | |
912 | dm[3]= 21.15; | |
913 | ||
914 | gMC->Gsvolu("TIC1","TRD1",idtmed[4],dm,4); | |
915 | ||
79575d04 | 916 | |
37831078 | 917 | //------------------------------------------------ |
918 | // Tpc Inner readout chamber Pad Plane | |
919 | //------------------------------------------------ | |
920 | ||
921 | dm[0]= 14.483; | |
922 | dm[1]= 23.3345; | |
923 | dm[2]= 0.5; | |
924 | dm[3]= 25.1; | |
925 | ||
926 | gMC->Gsvolu("TIPP","TRD1",idtmed[12],dm,4); | |
927 | ||
928 | // | |
929 | ||
930 | dm[0] -= 1.218511934; | |
931 | dm[1] -= 1.218511934; | |
932 | dm[2] = 0.35; | |
933 | ||
934 | gMC->Gsvolu("TIC3","TRD1",idtmed[1],dm,4); | |
935 | ||
936 | gMC->Gspos("TIC3",1,"TIPP",0.,0.15,0.,0,"ONLY"); | |
937 | ||
938 | gMC->Gspos("TIPP",1,"TIRC",0.,1.1,0.,0,"ONLY"); | |
939 | ||
79575d04 | 940 | |
37831078 | 941 | //---------------------------------------------- |
942 | // Tpc Readout Chambers Empty spaces - for both | |
943 | // inner and outer sectors | |
944 | //---------------------------------------------- | |
945 | ||
946 | gMC->Gsvolu("TRCE","TRD1",idtmed[0],dm,0); | |
947 | ||
948 | // Inner sector - 4 spaces | |
949 | ||
950 | ||
951 | dm[3] = 4.7625; | |
952 | dm[0] = 12.472; | |
953 | ||
954 | Float_t rr = 90.52; | |
955 | Float_t zz; | |
956 | ||
957 | zz= -12.7875; | |
958 | ||
959 | space = rr*tanAlpha-dm[0]; | |
960 | ||
961 | for(Int_t nsLow=0;nsLow<4;nsLow++){ | |
962 | ||
963 | rr += 9.525; | |
964 | dm[1]= rr*tanAlpha - space; | |
965 | ||
966 | dm[2]=0.8; | |
967 | ||
968 | gMC->Gsposp("TRCE",nsLow+1,"TIRC",0.,-0.8,zz,0,"ONLY",dm,4); | |
969 | ||
970 | // | |
971 | ||
79575d04 | 972 | dm[2] = 1.2; |
37831078 | 973 | |
974 | gMC->Gsposp("TRCE",nsLow+5,"TIC1",0.,1.05,zz-2.1,0,"ONLY",dm,4); | |
975 | ||
976 | rr += 0.4; | |
977 | dm[0] = rr*tanAlpha - space; | |
978 | zz += (0.4+9.525); | |
979 | ||
980 | } | |
981 | ||
982 | dm[0]= 12.472; | |
983 | // dm[1] - this is the dm[1] from the previous TRCE | |
984 | dm[2]= 1.05; | |
985 | dm[3]= 19.65; | |
986 | ||
79575d04 | 987 | gMC->Gsposp("TRCE",9,"TIC1",0.,-1.2,0.,0,"ONLY",dm,4); |
37831078 | 988 | |
989 | // | |
990 | // TPc Space for Connectors | |
991 | // | |
992 | ||
993 | dm[0]= .3; | |
994 | dm[1]= .3; | |
995 | dm[2]= 4.5; | |
996 | ||
997 | gMC->Gsvolu("TPSC","BOX ",idtmed[0],dm,3); | |
998 | ||
999 | // TPC Connectors | |
1000 | ||
1001 | dm[0]= .25; | |
1002 | dm[1]= .15; | |
1003 | dm[2]= 3.75; | |
1004 | ||
1005 | gMC->Gsvolu("TPCC","BOX ",idtmed[13],dm,3); | |
1006 | ||
1007 | gMC->Gspos("TPCC",1,"TPSC",0.,0.15,0.,0,"ONLY"); | |
1008 | ||
1009 | zz = -12.7875; | |
1010 | ||
79575d04 | 1011 | |
37831078 | 1012 | Float_t alpha; |
1013 | Float_t astep; | |
1014 | ||
37831078 | 1015 | // inner part of the inner sector - 2 x 20 holes |
1016 | ||
1017 | astep = 20.00096874/19.; | |
1018 | ||
1019 | alpha = 10.00048437-astep; | |
1020 | ||
1021 | Float_t x1,x2; | |
1022 | ||
1023 | x1 = 13.31175725; | |
1024 | x1 -= 0.996357832; | |
1025 | ||
1026 | x2 = 15.06180253; | |
1027 | x2 -= 1.163028812; | |
1028 | ||
1029 | Int_t ncon; | |
1030 | ||
1031 | for(ncon=0;ncon<20;ncon++){ | |
1032 | ||
1033 | phi1 = 0.; | |
1034 | theta1 = 90.+alpha; | |
1035 | phi2=90.; | |
1036 | theta2 = 90.; | |
1037 | phi3 = (alpha>0) ? 0. : 180.; | |
1038 | theta3 = TMath::Abs(alpha); | |
1039 | ||
1040 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1041 | ||
1042 | ||
1043 | ||
1044 | gMC->Gspos("TPSC",ncon+1,"TIRC",x1,0.3,-12.7875,idrotm[nRotMat],"ONLY"); | |
1045 | gMC->Gspos("TPSC",ncon+21,"TIRC",x2,0.3,-2.8625,idrotm[nRotMat],"ONLY"); | |
1046 | ||
1047 | ||
1048 | x1 -= 1.296357833; | |
1049 | x2 -= 1.463028812; | |
1050 | ||
1051 | alpha -= astep; | |
1052 | nRotMat++; | |
1053 | ||
1054 | } | |
1055 | ||
1056 | // outer part of the inner sector - 2 x 25 holes | |
1057 | ||
1058 | astep = 20.00096874/24.; | |
1059 | alpha = 10.00048437-astep; | |
1060 | ||
1061 | x1 = 16.81184781; | |
1062 | x1 -= 1.016295986; | |
1063 | ||
1064 | x2 = 18.5618931; | |
1065 | x2 -= 1.150914854; | |
1066 | ||
1067 | for(ncon=0;ncon<25;ncon++){ | |
1068 | ||
1069 | phi1 = 0.; | |
1070 | theta1 = 90.+alpha; | |
1071 | phi2=90.; | |
1072 | theta2 = 90.; | |
1073 | phi3 = (alpha>0) ? 0. : 180.; | |
1074 | theta3 = TMath::Abs(alpha); | |
1075 | ||
1076 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1077 | ||
1078 | ||
1079 | ||
1080 | gMC->Gspos("TPSC",ncon+41,"TIRC",x1,0.3,7.0625,idrotm[nRotMat],"ONLY"); | |
1081 | gMC->Gspos("TPSC",ncon+66,"TIRC",x2,0.3,16.9875,idrotm[nRotMat],"ONLY"); | |
1082 | ||
1083 | ||
1084 | x1 -= 1.316295986; | |
1085 | x2 -= 1.450914854; | |
1086 | ||
1087 | alpha -= astep; | |
1088 | nRotMat++; | |
1089 | ||
1090 | } | |
1091 | ||
1092 | //-------------------------------------------------------------------------- | |
1093 | // TPC Outer Readout Chambers | |
1094 | // this is NOT a final design | |
1095 | //-------------------------------------------------------------------------- | |
1096 | ||
1097 | dm[0]= 23.3875; | |
1098 | dm[1]= 43.524; | |
1099 | dm[2]= 1.5; //thickness | |
1100 | dm[3]= 57.1; | |
1101 | ||
1102 | gMC->Gsvolu("TORC","TRD1",idtmed[4],dm,4); | |
1103 | ||
1104 | //------------------------------------------------ | |
1105 | // Tpc Outer readout chamber Pad Plane | |
1106 | //------------------------------------------------ | |
1107 | ||
1108 | dm[2]= 0.5; | |
1109 | ||
1110 | gMC->Gsvolu("TOPP","TRD1",idtmed[12],dm,4); | |
1111 | ||
1112 | dm[0] -= 1.218511934; | |
1113 | dm[1] -= 1.218511934; | |
1114 | dm[2] = 0.35; | |
1115 | ||
1116 | gMC->Gsvolu("TOC3","TRD1",idtmed[1],dm,4); | |
1117 | ||
1118 | gMC->Gspos("TOC3",1,"TOPP",0.,0.15,0.,0,"ONLY"); | |
1119 | ||
1120 | gMC->Gspos("TOPP",1,"TORC",0.,1.0,0.,0,"ONLY"); | |
1121 | ||
1122 | // empty space | |
1123 | ||
37831078 | 1124 | dm[0]= 21.035; |
1125 | dm[1]= 38.7205; | |
1126 | dm[2]= 0.7; | |
1127 | dm[3]= 50.15; | |
1128 | ||
1129 | gMC->Gsposp("TRCE",10,"TORC",0.,-0.8,-2.15,0,"ONLY",dm,4); | |
1130 | ||
1131 | dm[0]= 22.2935; | |
1132 | dm[1]= 40.5085; | |
1133 | dm[2]= 2.25; | |
1134 | dm[3]= 51.65; | |
1135 | ||
1136 | gMC->Gsvolu("TOC1","TRD1",idtmed[4],dm,4); | |
1137 | ||
1138 | dm[0]= 21.35; | |
1139 | dm[1]= 38.7205; | |
1140 | dm[2]= 2.25; | |
1141 | dm[3]= 50.15; | |
1142 | ||
79575d04 | 1143 | gMC->Gsposp("TRCE",11,"TOC1",0.,0.,0.,0,"ONLY",dm,4); |
37831078 | 1144 | |
1145 | //----------------------------------------------- | |
1146 | // Tpc Services Support Wheel | |
1147 | //----------------------------------------------- | |
1148 | ||
1149 | dm[0]=0.; | |
1150 | dm[1]=360.; | |
1151 | dm[2]=18.; | |
1152 | dm[3]=2.; | |
1153 | ||
1154 | dm[4]= -5.; | |
1155 | dm[5]= 77.017; | |
1156 | dm[6]= 255.267; | |
1157 | ||
1158 | dm[7]= 5.; | |
1159 | dm[8]= dm[5]; | |
1160 | dm[9]= dm[6]; | |
1161 | ||
1162 | gMC->Gsvolu("TSSW","PGON",idtmed[4],dm,10); | |
1163 | ||
1164 | // Tpc Services Wheel Cover | |
1165 | ||
1166 | dm[4]= -0.5; | |
1167 | dm[7]= 0.5; | |
1168 | ||
1169 | gMC->Gsvolu("TSWC","PGON",idtmed[4],dm,10); | |
1170 | ||
1171 | // Tpc Service wheel Cover Empty space | |
1172 | ||
1173 | dm[0]= 10.99; | |
1174 | dm[1]= 39.599; | |
1175 | dm[2]= .5; | |
1176 | dm[3]= 81.125; | |
1177 | ||
1178 | gMC->Gsvolu("TSCE","TRD1",idtmed[0],dm,4); | |
1179 | ||
1180 | // Tpc services Wheel Empty Spaces | |
1181 | ||
1182 | dm[0]= 13.18017507; | |
1183 | dm[1]= 44.61045938; | |
1184 | dm[2]= 4.; | |
1185 | dm[3]= 89.125; | |
1186 | ||
1187 | gMC->Gsvolu("TWES","TRD1",idtmed[0],dm,4); | |
1188 | ||
1189 | // Tpc Services Wheel Bars | |
1190 | ||
1191 | gMC->Gsvolu("TSWB","TRD1",idtmed[4],dm,0); | |
1192 | ||
1193 | // bars-> TWES | |
1194 | ||
1195 | dm[2]= 4.; | |
1196 | dm[3]= .4; | |
1197 | ||
1198 | dm[0]= 13.8149522; | |
1199 | dm[1]= 13.95601379; | |
1200 | ||
1201 | gMC->Gsposp("TSWB",1,"TWES",0.,0.,-85.125,0,"ONLY",dm,4); | |
1202 | ||
1203 | dm[0]= 43.83462067; | |
1204 | dm[1]= 43.97568225; | |
1205 | ||
1206 | gMC->Gsposp("TSWB",2,"TWES",0.,0.,85.125,0,"ONLY",dm,4); | |
1207 | ||
1208 | // TPc ELectronics - right now 30% X0 Si | |
1209 | ||
1210 | dm[0]= 14.03813696; | |
1211 | dm[1]= 43.3524075; | |
1212 | dm[2]= 1.404; | |
1213 | dm[3]= 83.125; | |
1214 | ||
1215 | gMC->Gsvolu("TPEL","TRD1",idtmed[11],dm,4); | |
1216 | gMC->Gspos("TPEL",1,"TWES",0.,0.,0.,0,"ONLY"); | |
1217 | ||
1218 | //-------------------------------------------------------------------------- | |
1219 | // End caps | |
1220 | //-------------------------------------------------------------------------- | |
1221 | ||
1222 | // TPc Main Wheel - Al | |
1223 | ||
79575d04 | 1224 | dm[0]= 74.9; |
1225 | dm[1]= 264.4; | |
37831078 | 1226 | dm[2]= 3.0; |
1227 | ||
1228 | gMC->Gsvolu("TPMW","TUBE",idtmed[4],dm,3); | |
1229 | ||
37831078 | 1230 | //-------------------------------------------------------------------------- |
1231 | // Tpc Empty Space for the Readout chambers | |
1232 | //-------------------------------------------------------------------------- | |
1233 | ||
1234 | Float_t rLow= 86.2; | |
1235 | Float_t rUp= 243.5; | |
1236 | Float_t dR = 0.5*(rUp-rLow); | |
1237 | ||
79575d04 | 1238 | space= 1.5/cosAlpha; // wheel ribs are 3.0 cm wide |
37831078 | 1239 | |
1240 | dm[0]= rLow*tanAlpha-space; | |
1241 | dm[1]= rUp*tanAlpha-space; | |
79575d04 | 1242 | dm[2] = 3.0; |
37831078 | 1243 | dm[3]= dR; |
1244 | ||
1245 | gMC->Gsvolu("TESR","TRD1",idtmed[0],dm,4); | |
1246 | ||
1247 | // TIC1->TESR | |
1248 | ||
37831078 | 1249 | gMC->Gspos("TIC1",1,"TESR",0.,0.75,-dR+23.97,0,"ONLY"); |
1250 | ||
37831078 | 1251 | // TOC1->TESR |
1252 | ||
1253 | gMC->Gspos("TOC1",1,"TESR",0.,0.75,dR-55.02,0,"ONLY"); | |
1254 | ||
1255 | // Tpc Empty Space Bars - Al (daughters of TESR) | |
1256 | ||
1257 | Float_t zBar; | |
1258 | ||
1259 | gMC->Gsvolu("TESB","TRD1",idtmed[4],dm,0); | |
1260 | ||
1261 | // lower bar | |
1262 | ||
1263 | dm[0]= rLow*tanAlpha-space; | |
1264 | dm[1]= 88.7*tanAlpha-space; | |
79575d04 | 1265 | dm[2]= 2.25; |
37831078 | 1266 | dm[3]= 1.275; |
1267 | ||
1268 | zBar = -dR+dm[3]; | |
1269 | ||
79575d04 | 1270 | gMC->Gsposp("TESB",1,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1271 | |
1272 | // middle bar | |
1273 | ||
1274 | dm[0]= 131.65*tanAlpha-space; | |
1275 | dm[1]= 136.5*tanAlpha-space; | |
1276 | dm[3]= 2.425; | |
1277 | ||
1278 | zBar = -dR +131.65+dm[3]-rLow; | |
1279 | ||
79575d04 | 1280 | gMC->Gsposp("TESB",2,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1281 | |
1282 | // upper bar | |
1283 | ||
1284 | dm[0]= 240.4*tanAlpha-space; | |
1285 | dm[1]= rUp*tanAlpha-space; | |
1286 | dm[3]= 1.55; | |
1287 | ||
1288 | zBar = dR-dm[3]; | |
1289 | ||
79575d04 | 1290 | gMC->Gsposp("TESB",3,"TESR",0.,0.75,zBar,0,"ONLY",dm,4); |
37831078 | 1291 | |
1292 | //------------------------------------------------------ | |
1293 | // TPc Lower "S" Sectors | |
1294 | //------------------------------------------------------ | |
1295 | ||
1296 | ||
1297 | Float_t inSecLowEdge = fTPCParam->GetInnerRadiusLow(); | |
1298 | Float_t inSecUpEdge = fTPCParam->GetInnerRadiusUp(); | |
1299 | ||
1300 | dm[0] = inSecLowEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
1301 | dm[1] = inSecUpEdge*TMath::Tan(0.5*innerOpenAngle)-0.01; | |
79575d04 | 1302 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1303 | dm[3] = 0.5*(inSecUpEdge-inSecLowEdge); |
1304 | ||
1305 | gMC->Gsvolu("TPLS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1306 | ||
79575d04 | 1307 | |
37831078 | 1308 | //---------------------------------------------------------- |
1309 | // TPc Upper Sectors | |
1310 | //---------------------------------------------------------- | |
1311 | ||
1312 | Float_t ouSecLowEdge = fTPCParam->GetOuterRadiusLow(); | |
1313 | Float_t ouSecUpEdge = fTPCParam->GetOuterRadiusUp(); | |
1314 | ||
1315 | dm[0] = ouSecLowEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
1316 | dm[1] = ouSecUpEdge*TMath::Tan(0.5*outerOpenAngle)-0.01; | |
79575d04 | 1317 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1318 | dm[3] = 0.5*(ouSecUpEdge-ouSecLowEdge); |
1319 | ||
1320 | gMC->Gsvolu("TPUS", "TRD1", idtmed[2], dm, 4); // sensitive | |
1321 | ||
1322 | ||
37831078 | 1323 | |
79575d04 | 1324 | // sensitive strips |
37831078 | 1325 | |
1326 | gMC->Gsvolu("TPSS","TRD1",idtmed[2],dm,0); // sensitive | |
1327 | ||
1328 | Int_t nofStrips,nstr; | |
1329 | Float_t r1,r2,zs; | |
1330 | Float_t stripThick = 0.01; // 100 microns | |
1331 | Float_t deadSpace; | |
1332 | ||
1333 | // inner sector | |
1334 | ||
d4c354b9 | 1335 | |
1336 | // if all lower sectors selected define only 1 strip | |
1337 | ||
1338 | nofStrips=((fSecAL <0)||(fSecAL>=0 && fSens<0)) ? 1 : fTPCParam->GetNRowLow(); | |
37831078 | 1339 | deadSpace = fTPCParam->GetInnerWireMount(); |
1340 | ||
79575d04 | 1341 | dm[2] = 0.5*(250. - 5.e-3); |
1342 | dm[3] = 0.5 * stripThick; | |
d4c354b9 | 1343 | |
37831078 | 1344 | for(nstr=0;nstr<nofStrips;nstr++){ |
1345 | ||
1346 | r1 = fTPCParam->GetPadRowRadiiLow(nstr); | |
1347 | r2 = r1 + stripThick; | |
1348 | dm[0] = r1 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1349 | dm[1] = r2 * TMath::Tan(0.5*innerOpenAngle) - deadSpace; | |
1350 | zs = -inSecLowEdge -0.5*(inSecUpEdge-inSecLowEdge); | |
1351 | zs += r1; | |
1352 | zs += dm[3]; | |
1353 | ||
1354 | gMC->Gsposp("TPSS", nstr+1, "TPLS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1355 | ||
37831078 | 1356 | |
1357 | } | |
1358 | ||
d4c354b9 | 1359 | // strips only if several upper sectors selected end fSens > 0 |
1360 | ||
1361 | if(fSecAU >=0 && fSens >0){ | |
1362 | ||
37831078 | 1363 | Int_t nsSave = nofStrips; |
1364 | ||
1365 | // outer sector | |
1366 | ||
1367 | nofStrips = fTPCParam->GetNRowUp(); | |
1368 | deadSpace = fTPCParam->GetOuterWireMount(); | |
1369 | ||
79575d04 | 1370 | dm[2] = 0.5*(250. - 5.e-3); |
37831078 | 1371 | dm[3] = 0.5 * stripThick; |
d4c354b9 | 1372 | |
37831078 | 1373 | |
1374 | for(nstr=0;nstr<nofStrips;nstr++){ | |
1375 | ||
1376 | r1 = fTPCParam->GetPadRowRadiiUp(nstr); | |
1377 | r2 = r1 + stripThick; | |
1378 | dm[0] = r1 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1379 | dm[1] = r2 * TMath::Tan(0.5*outerOpenAngle) - deadSpace; | |
1380 | zs = -ouSecLowEdge -0.5*(ouSecUpEdge-ouSecLowEdge); | |
1381 | zs += r1; | |
1382 | zs += dm[3]; | |
1383 | ||
1384 | gMC->Gsposp("TPSS", nstr+1+nsSave, "TPUS", 0., 0., zs, 0, "ONLY", dm, 4); | |
1385 | ||
1386 | } | |
79575d04 | 1387 | } |
1388 | ||
37831078 | 1389 | |
1390 | //------------------------------------------------------- | |
1391 | // positioning of the empty spaces into the main wheel | |
1392 | // and readout chambers and sectors into the drift gas | |
1393 | //------------------------------------------------------- | |
1394 | ||
1395 | Float_t rCenter,xc,yc; | |
1396 | Float_t rInner,rOuter; // center of the inner and outer chamber | |
1397 | ||
1398 | rCenter = rLow+dR; | |
1399 | ||
1400 | rInner = 108.07; | |
1401 | rOuter = 190.68; | |
1402 | ||
79575d04 | 1403 | |
37831078 | 1404 | for(Int_t ns=0; ns<nInnerSector;ns++){ |
1405 | ||
1406 | phi1 = ns * innerOpenAngle + innerAngleShift; | |
1407 | phi1 *= kRaddeg; // in degrees | |
1408 | ||
1409 | phi1 = (Float_t)TMath::Nint(phi1) + 270.; | |
1410 | ||
1411 | if (phi1 > 360.) phi1 -= 360.; | |
1412 | ||
1413 | theta1 = 90.; | |
1414 | phi2 = 90.; | |
1415 | theta2 = 180.; | |
1416 | phi3 = ns * innerOpenAngle + innerAngleShift; | |
1417 | phi3 *= kRaddeg; // in degrees | |
1418 | ||
1419 | phi3 = (Float_t)TMath::Nint(phi3); | |
1420 | ||
1421 | if(phi3 > 360.) phi3 -= 360.; | |
1422 | ||
1423 | theta3 = 90.; | |
1424 | ||
1425 | // "holes"->End plate | |
1426 | ||
1427 | xc = rCenter*TMath::Cos(phi3*kDegrad); | |
1428 | yc = rCenter*TMath::Sin(phi3*kDegrad); | |
1429 | ||
1430 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1431 | ||
1432 | gMC->Gspos("TESR",ns+1,"TPMW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1433 | ||
1434 | // TSCE->TSWC (services wheel volumes) | |
1435 | ||
1436 | xc = 166.142*TMath::Cos(phi3*kDegrad); | |
1437 | yc = 166.142*TMath::Sin(phi3*kDegrad); | |
1438 | ||
1439 | gMC->Gspos("TSCE",ns+1,"TSWC",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1440 | gMC->Gspos("TWES",ns+1,"TSSW",xc,yc,0.,idrotm[nRotMat],"ONLY"); | |
1441 | ||
79575d04 | 1442 | |
37831078 | 1443 | // readout chambers->TDGN (drift gas) |
1444 | ||
1445 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1446 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1447 | ||
1448 | gMC->Gspos("TIRC",ns+1,"TDGN",xc,yc,252.,idrotm[nRotMat],"ONLY"); | |
1449 | ||
1450 | // here lower sectors | |
1451 | ||
1452 | if(fSecAL <0){ | |
1453 | ||
1454 | // all lower sectors are positioned | |
1455 | ||
79575d04 | 1456 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1457 | gMC-> |
79575d04 | 1458 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1459 | } |
1460 | else{ | |
1461 | ||
1462 | // only selected sectors are positioned (up to 6 sectors) | |
1463 | ||
1464 | for(Int_t sel=0;sel<6;sel++){ | |
1465 | ||
1466 | if(fSecLows[sel] == ns){ | |
79575d04 | 1467 | gMC->Gspos("TPLS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1468 | } |
1469 | else if(fSecLows[sel] == ns+nInnerSector){ | |
1470 | gMC-> | |
79575d04 | 1471 | Gspos("TPLS",ns+nInnerSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1472 | } |
1473 | } | |
1474 | } // lower sectors finished | |
79575d04 | 1475 | |
1476 | ||
37831078 | 1477 | xc = rOuter*TMath::Cos(phi3*kDegrad); |
1478 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1479 | ||
1480 | gMC->Gspos("TORC",ns+1,"TDGN",xc,yc,252.1,idrotm[nRotMat],"ONLY"); | |
1481 | ||
1482 | // here upper sectors | |
1483 | ||
1484 | if(fSecAU <0){ | |
1485 | ||
1486 | // all upper sectors | |
1487 | ||
79575d04 | 1488 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1489 | gMC-> |
79575d04 | 1490 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1491 | } |
1492 | else{ | |
1493 | ||
1494 | // only selected sectors (up to 12) | |
1495 | ||
1496 | for(Int_t sel=0;sel<12;sel++){ | |
1497 | if(fSecUps[sel] == ns+2*nInnerSector){ | |
79575d04 | 1498 | gMC->Gspos("TPUS",ns+1,"TDGN",xc,yc,125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1499 | } |
1500 | else if(fSecUps[sel] == ns+2*nInnerSector+nOuterSector){ | |
1501 | gMC-> | |
79575d04 | 1502 | Gspos("TPUS",ns+nOuterSector+1,"TDGN",xc,yc,-125.0025,idrotm[nRotMat],"ONLY"); |
37831078 | 1503 | } |
1504 | } | |
1505 | } // upper sectors finished | |
1506 | ||
79575d04 | 1507 | |
37831078 | 1508 | nRotMat++; |
1509 | ||
79575d04 | 1510 | theta2 = 0.; // reflection |
37831078 | 1511 | |
1512 | AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3); | |
1513 | ||
1514 | xc = rInner*TMath::Cos(phi3*kDegrad); | |
1515 | yc = rInner*TMath::Sin(phi3*kDegrad); | |
1516 | ||
1517 | gMC->Gspos("TIRC",ns+nInnerSector+1,"TDGN",xc,yc,-252.,idrotm[nRotMat],"ONLY"); | |
1518 | ||
1519 | xc = rOuter*TMath::Cos(phi3*kDegrad); | |
1520 | yc = rOuter*TMath::Sin(phi3*kDegrad); | |
1521 | ||
1522 | gMC->Gspos("TORC",ns+nOuterSector+1,"TDGN",xc,yc,-252.1,idrotm[nRotMat],"ONLY"); | |
1523 | ||
1524 | nRotMat++; | |
1525 | ||
37831078 | 1526 | } |
37831078 | 1527 | // TPMW->TPC |
1528 | ||
1529 | gMC->Gspos("TPMW",1,"TPC ",0.,0.,256.6,0,"ONLY"); | |
79575d04 | 1530 | gMC->Gspos("TPMW",2,"TPC ",0.,0.,-256.6,idrotm[0],"ONLY"); |
37831078 | 1531 | |
79575d04 | 1532 | //--------------------------------------------------------- |
1533 | // Tpc High Voltage Membrane - 100 microns of mylar | |
1534 | //--------------------------------------------------------- | |
37831078 | 1535 | |
79575d04 | 1536 | dm[0]=82.8; |
1537 | dm[1]=252.; | |
1538 | dm[2]=0.005; | |
37831078 | 1539 | |
79575d04 | 1540 | gMC->Gsvolu("THVM","TUBE",idtmed[8],dm,3); |
37831078 | 1541 | |
79575d04 | 1542 | gMC->Gspos("THVM",1,"TDGN",0.,0.,0.,0,"ONLY"); |
37831078 | 1543 | |
79575d04 | 1544 | // Tpc High Voltage membrane Holders |
37831078 | 1545 | |
79575d04 | 1546 | gMC->Gsvolu("THVH","TUBE",idtmed[4],dm,0); |
37831078 | 1547 | |
79575d04 | 1548 | |
37831078 | 1549 | |
79575d04 | 1550 | // inner |
37831078 | 1551 | |
79575d04 | 1552 | dm[0]=79.3; |
1553 | dm[1]=82.8; | |
1554 | dm[2]=0.2; | |
37831078 | 1555 | |
79575d04 | 1556 | gMC->Gsposp("THVH",1,"TDGN",0.,0.,0.,0,"ONLY",dm,3); |
1557 | ||
1558 | // outer | |
1559 | ||
1560 | dm[0]= 252.; | |
1561 | dm[1]= 257.9; | |
1562 | dm[2]= 0.4; | |
1563 | ||
1564 | gMC->Gsposp("THVH",2,"TDGN",0.,0.,0.,0,"ONLY",dm,3); | |
37831078 | 1565 | |
1566 | //---------------------------------------------------------- | |
1567 | // TPc Support Rods - MAKROLON | |
1568 | //---------------------------------------------------------- | |
1569 | ||
1570 | dm[0]= 0.9; | |
1571 | dm[1]= 1.2; | |
37831078 | 1572 | |
79575d04 | 1573 | gMC->Gsvolu("TPSR","TUBE",idtmed[7],dm,0); // inner and outer rods differ |
37831078 | 1574 | |
79575d04 | 1575 | |
1576 | for(Int_t nrod=0;nrod<18;nrod++){ | |
37831078 | 1577 | Float_t angle=innerOpenAngle*(Float_t)nrod; |
1578 | ||
79575d04 | 1579 | xc=81.5*TMath::Cos(angle); |
1580 | yc=81.5*TMath::Sin(angle); | |
1581 | ||
1582 | dm[2]=126.7; | |
37831078 | 1583 | |
79575d04 | 1584 | gMC->Gsposp("TPSR",nrod+1,"TDGN",xc,yc,126.9,0,"ONLY",dm,3); |
1585 | gMC->Gsposp("TPSR",nrod+19,"TDGN",xc,yc,-126.9,0,"ONLY",dm,3); | |
37831078 | 1586 | |
79575d04 | 1587 | dm[2]=126.6; |
37831078 | 1588 | |
79575d04 | 1589 | xc=254.25*TMath::Cos(angle); |
1590 | yc=254.25*TMath::Sin(angle); | |
1591 | ||
1592 | // rod number 54 contans the HV cable | |
37831078 | 1593 | |
79575d04 | 1594 | if(nrod<17) { |
1595 | gMC->Gsposp("TPSR",nrod+37,"TDGN",xc,yc,127.,0,"ONLY",dm,3); | |
1596 | gMC->Gsposp("TPSR",nrod+54,"TDGN",xc,yc,-127.,0,"ONLY",dm,3); | |
1597 | } | |
1598 | ||
37831078 | 1599 | } |
1600 | ||
1601 | //---------------------------------------------------------- | |
79575d04 | 1602 | // Tpc High Voltage Rod - MAKROLON + Copper cable |
37831078 | 1603 | //---------------------------------------------------------- |
1604 | ||
1605 | // rod with cable (Left) | |
1606 | ||
1607 | dm[0]=0.; | |
1608 | dm[1]=2.25; | |
79575d04 | 1609 | dm[2]=126.6; |
37831078 | 1610 | |
1611 | gMC->Gsvolu("THVL","TUBE",idtmed[7],dm,3); | |
1612 | ||
1613 | // HV cable | |
1614 | ||
1615 | dm[0]=0.; | |
1616 | dm[1]=0.3; | |
79575d04 | 1617 | dm[2]=126.6; |
37831078 | 1618 | |
79575d04 | 1619 | gMC->Gsvolu("THVC","TUBE",idtmed[10],dm,3); |
37831078 | 1620 | |
1621 | // empty space | |
1622 | ||
1623 | dm[0]=0.3; | |
1624 | dm[1]=1.; | |
79575d04 | 1625 | dm[2]=126.6; |
37831078 | 1626 | |
1627 | gMC->Gsvolu("THVE","TUBE",idtmed[1],dm,3); | |
1628 | ||
1629 | gMC->Gspos("THVC",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1630 | gMC->Gspos("THVE",1,"THVL",0.,0.,0.,0,"ONLY"); | |
1631 | ||
1632 | // rod without cable | |
1633 | ||
1634 | dm[0]=1.8; | |
1635 | dm[1]=2.25; | |
79575d04 | 1636 | dm[2]=126.6; |
37831078 | 1637 | |
1638 | gMC->Gsvolu("THVR","TUBE",idtmed[7],dm,3); | |
1639 | ||
79575d04 | 1640 | gMC->Gspos("THVL",1,"TDGN",xc,yc,-127.,0,"ONLY"); |
1641 | gMC->Gspos("THVR",1,"TDGN",xc,yc,127.,0,"ONLY"); | |
37831078 | 1642 | |
1643 | gMC->Gspos("TDGN",1,"TPC ",0.,0.,0.,0,"ONLY"); | |
79575d04 | 1644 | |
37831078 | 1645 | // services wheel cover -> wheel |
1646 | ||
1647 | ||
1648 | gMC->Gspos("TSWC",1,"TSSW",0.,0.,4.5,0,"ONLY"); | |
1649 | gMC->Gspos("TSWC",2,"TSSW",0.,0.,-4.5,0,"ONLY"); | |
1650 | ||
1651 | ||
1652 | // put the wheel into the TPC | |
1653 | ||
1654 | gMC->Gspos("TSSW",1,"TPC ",0.,0.,278.7,0,"ONLY"); | |
1655 | gMC->Gspos("TSSW",2,"TPC ",0.,0.,-278.7,0,"ONLY"); | |
1656 | ||
79575d04 | 1657 | // |
1658 | ||
37831078 | 1659 | gMC->Gsord("TPMW",6); |
79575d04 | 1660 | gMC->Gsord("TSSW",6); |
1661 | gMC->Gsord("TSWC",6); | |
d4c354b9 | 1662 | if(fSecAL >=0) gMC->Gsord("TPLS",3); |
1663 | if(fSecAU >=0 && fSens >0) gMC->Gsord("TPUS",3); | |
37831078 | 1664 | gMC->Gsord("TDGN",6); |
37831078 | 1665 | |
1666 | // put the TPC into ALIC (main mother volume) | |
1667 | ||
79575d04 | 1668 | gMC->Gspos("TPC ",1,"ALIC",0.,0.,0.,0,"ONLY"); |
1669 | ||
1670 | ||
37831078 | 1671 | |
1672 | } // end of function | |
1673 | ||
1674 | //_____________________________________________________________________________ | |
1675 | void AliTPCv2::DrawDetector() | |
1676 | { | |
1677 | // | |
1678 | // Draw a shaded view of the Time Projection Chamber version 1 | |
1679 | // | |
1680 | ||
1681 | // Set everything unseen | |
1682 | gMC->Gsatt("*", "seen", -1); | |
1683 | // | |
1684 | // Set ALIC mother transparent | |
1685 | gMC->Gsatt("ALIC","SEEN",0); | |
1686 | // | |
1687 | // Set the volumes visible | |
1688 | // | |
1689 | ||
1690 | gMC->Gsatt("TPC ","SEEN",0); | |
1691 | gMC->Gsatt("TOIN","SEEN",1); | |
1692 | gMC->Gsatt("TOIN","COLO",7); | |
37831078 | 1693 | gMC->Gsatt("TOCV","SEEN",1); |
1694 | gMC->Gsatt("TOCV","COLO",4); | |
1695 | gMC->Gsatt("TSA1","SEEN",0); | |
1696 | gMC->Gsatt("TSA2","SEEN",0); | |
1697 | gMC->Gsatt("TSA3","SEEN",0); | |
79575d04 | 1698 | gMC->Gsatt("TSA4","SEEN",0); |
1699 | gMC->Gsatt("TSA5","SEEN",0); | |
37831078 | 1700 | gMC->Gsatt("TOFC","SEEN",1); |
1701 | gMC->Gsatt("TOFC","COLO",4); | |
37831078 | 1702 | gMC->Gsatt("TSA6","SEEN",0); |
1703 | gMC->Gsatt("TSA7","SEEN",0); | |
79575d04 | 1704 | gMC->Gsatt("TSA8","SEEN",0); |
37831078 | 1705 | gMC->Gsatt("TIIN","SEEN",1); |
79575d04 | 1706 | gMC->Gsatt("TIIN","COLO",7); |
1707 | gMC->Gsatt("TII1","SEEN",0); | |
1708 | gMC->Gsatt("TIFC","SEEN",1); | |
1709 | gMC->Gsatt("TIFC","COLO",4); | |
1710 | gMC->Gsatt("TSA9","SEEN",0); | |
37831078 | 1711 | gMC->Gsatt("TS10","SEEN",0); |
1712 | gMC->Gsatt("TS11","SEEN",0); | |
1713 | gMC->Gsatt("TS12","SEEN",0); | |
37831078 | 1714 | gMC->Gsatt("TS13","SEEN",0); |
1715 | gMC->Gsatt("TS14","SEEN",0); | |
79575d04 | 1716 | gMC->Gsatt("TICC","SEEN",0); |
1717 | gMC->Gsatt("TICM","SEEN",0); | |
37831078 | 1718 | gMC->Gsatt("TS15","SEEN",0); |
1719 | gMC->Gsatt("TS16","SEEN",0); | |
37831078 | 1720 | gMC->Gsatt("TS17","SEEN",0); |
79575d04 | 1721 | gMC->Gsatt("TS18","SEEN",0); |
1722 | gMC->Gsatt("TS19","SEEN",0); | |
1723 | gMC->Gsatt("TPJ1","SEEN",0); | |
1724 | gMC->Gsatt("TPJ2","SEEN",0); | |
1725 | gMC->Gsatt("TICS","SEEN",0); | |
1726 | gMC->Gsatt("TDGN","SEEN",0); | |
37831078 | 1727 | gMC->Gsatt("TIRC","SEEN",0); |
1728 | gMC->Gsatt("TIC1","SEEN",1); | |
1729 | gMC->Gsatt("TIPP","SEEN",0); | |
1730 | gMC->Gsatt("TIC3","SEEN",0); | |
1731 | gMC->Gsatt("TRCE","SEEN",0); | |
1732 | gMC->Gsatt("TPSC","SEEN",0); | |
79575d04 | 1733 | gMC->Gsatt("TPCC","SEEN",0); |
37831078 | 1734 | gMC->Gsatt("TORC","SEEN",0); |
1735 | gMC->Gsatt("TOPP","SEEN",0); | |
1736 | gMC->Gsatt("TOC3","SEEN",0); | |
1737 | gMC->Gsatt("TOC1","SEEN",1); | |
1738 | gMC->Gsatt("TSSW","SEEN",1); | |
1739 | gMC->Gsatt("TSWC","SEEN",1); | |
37831078 | 1740 | gMC->Gsatt("TSSW","COLO",3); |
1741 | gMC->Gsatt("TSWC","COLO",3); | |
1742 | gMC->Gsatt("TSCE","COLO",6); | |
79575d04 | 1743 | gMC->Gsatt("TSCE","SEEN",1); |
37831078 | 1744 | gMC->Gsatt("TWES","SEEN",0); |
1745 | gMC->Gsatt("TSWB","SEEN",0); | |
1746 | gMC->Gsatt("TPEL","SEEN",0); | |
1747 | gMC->Gsatt("TPMW","SEEN",1); | |
37831078 | 1748 | gMC->Gsatt("TESR","SEEN",1); |
1749 | gMC->Gsatt("TPMW","COLO",12); | |
37831078 | 1750 | gMC->Gsatt("TIC1","COLO",5); |
79575d04 | 1751 | gMC->Gsatt("TOC1","COLO",5); |
37831078 | 1752 | gMC->Gsatt("TESB","SEEN",0); |
37831078 | 1753 | gMC->Gsatt("THVM","SEEN",1); |
1754 | gMC->Gsatt("THVM","COLO",11); | |
79575d04 | 1755 | gMC->Gsatt("THVH","SEEN",0); |
1756 | gMC->Gsatt("TPSR","SEEN",0); | |
37831078 | 1757 | gMC->Gsatt("THVL","SEEN",0); |
79575d04 | 1758 | gMC->Gsatt("THVC","SEEN",0); |
37831078 | 1759 | gMC->Gsatt("THVE","SEEN",0); |
1760 | gMC->Gsatt("THVR","SEEN",0); | |
79575d04 | 1761 | gMC->Gsatt("TPSS","SEEN",0); |
1762 | gMC->Gsatt("TPUS","SEEN",0); | |
1763 | gMC->Gsatt("TPLS","SEEN",0); | |
37831078 | 1764 | |
1765 | // | |
1766 | gMC->Gdopt("hide", "on"); | |
1767 | gMC->Gdopt("shad", "on"); | |
1768 | gMC->Gsatt("*", "fill", 7); | |
1769 | gMC->SetClipBox("."); | |
1770 | gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.); | |
1771 | gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.); | |
1772 | gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.); | |
1773 | gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.); | |
1774 | gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290); | |
1775 | gMC->DefaultRange(); | |
1776 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025); | |
1777 | gMC->Gdhead(1111, "Time Projection Chamber"); | |
1778 | gMC->Gdman(18, 4, "MAN"); | |
1779 | gMC->Gdopt("hide","off"); | |
1780 | } | |
1781 | ||
1782 | //_____________________________________________________________________________ | |
1783 | void AliTPCv2::CreateMaterials() | |
1784 | { | |
1785 | // | |
1786 | // Define materials for version 2 of the Time Projection Chamber | |
1787 | // | |
1788 | ||
1789 | AliTPC::CreateMaterials(); | |
1790 | } | |
1791 | ||
1792 | //_____________________________________________________________________________ | |
1793 | void AliTPCv2::Init() | |
1794 | { | |
1795 | // | |
1796 | // Initialises version 2 of the TPC after that it has been built | |
1797 | // | |
1798 | ||
1799 | Int_t *idtmed = fIdtmed->GetArray(); | |
1800 | ||
1801 | AliTPC::Init(); | |
d4c354b9 | 1802 | |
1803 | ||
1804 | ||
1805 | fIdSens=gMC->VolId("TPSS"); | |
1806 | ||
1807 | fIdLSec=gMC->VolId("TPLS"); // lower sector | |
37831078 | 1808 | fIdUSec=gMC->VolId("TPUS"); // upper sector |
1809 | ||
1810 | gMC->SetMaxNStep(30000); // max. number of steps increased | |
1811 | ||
1812 | gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss | |
1813 | ||
9e1a0ddb | 1814 | printf("%s: *** TPC version 2 initialized ***\n",ClassName()); |
1815 | printf("%s: Maximum number of steps = %d\n",ClassName(),gMC->GetMaxNStep()); | |
37831078 | 1816 | |
1817 | // | |
fe4da5cc | 1818 | |
1819 | } | |
1820 | ||
1821 | //_____________________________________________________________________________ | |
1822 | void AliTPCv2::StepManager() | |
1823 | { | |
1824 | // | |
1825 | // Called for every step in the Time Projection Chamber | |
1826 | // | |
1827 | ||
1828 | // | |
1829 | // parameters used for the energy loss calculations | |
1830 | // | |
73042f01 | 1831 | const Float_t kprim = 14.35; // number of primary collisions per 1 cm |
1832 | const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2 | |
1833 | const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation | |
fe4da5cc | 1834 | |
1835 | ||
73042f01 | 1836 | const Float_t kbig = 1.e10; |
fe4da5cc | 1837 | |
1838 | Int_t id,copy; | |
1839 | Float_t hits[4]; | |
1840 | Int_t vol[2]; | |
37831078 | 1841 | TLorentzVector p; |
fe4da5cc | 1842 | |
37831078 | 1843 | vol[1]=0; // preset row number to 0 |
fe4da5cc | 1844 | |
1845 | // | |
1846 | ||
73042f01 | 1847 | gMC->SetMaxStep(kbig); |
fe4da5cc | 1848 | |
0a6d8768 | 1849 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
fe4da5cc | 1850 | |
cfce8870 | 1851 | Float_t charge = gMC->TrackCharge(); |
fe4da5cc | 1852 | |
1853 | if(TMath::Abs(charge)<=0.) return; // take only charged particles | |
1854 | ||
37831078 | 1855 | // check the sensitive volume |
1856 | ||
1857 | id = gMC->CurrentVolID(copy); // current volume Id | |
1858 | ||
2d74ba4f | 1859 | if ( (gMC->IsTrackEntering() || gMC->IsTrackExiting()) && |
1860 | ((id == fIdLSec) || (id == fIdUSec)) ) { | |
da33556f | 1861 | |
5d12ce38 | 1862 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber()); |
da33556f | 1863 | } |
1864 | ||
37831078 | 1865 | if(id == fIdLSec){ |
1866 | vol[0] = copy-1; // lower sector number | |
1867 | } | |
1868 | else if(id == fIdUSec){ | |
1869 | vol[0] = copy+fTPCParam->GetNInnerSector()-1; // upper sector number | |
1870 | } | |
1871 | else if(id == fIdSens && gMC->IsTrackEntering()){ | |
1872 | ||
1873 | // track is entering the sensitive strip | |
1874 | ||
1875 | vol[1]= copy-1; // row number (absolute) | |
1876 | ||
1877 | // sector type | |
1878 | ||
1879 | id = gMC->CurrentVolOffID(1,copy); | |
1880 | ||
1881 | if(id == fIdLSec){ | |
1882 | ||
1883 | // lower sector | |
1884 | ||
1885 | vol[0] = copy-1; // sector number | |
1886 | ||
fe4da5cc | 1887 | } |
37831078 | 1888 | else { |
1889 | ||
1890 | // upper sector | |
1891 | ||
1892 | vol[0] = copy-1+fTPCParam->GetNInnerSector(); // sector number | |
6a905708 | 1893 | vol[1] -= fTPCParam->GetNRowLow(); // row number (starts also from 0) |
37831078 | 1894 | |
1895 | } | |
1896 | ||
1897 | if(vol[1] == 0){ | |
1898 | ||
1899 | // because Jouri wants to have this | |
1900 | ||
1901 | gMC->TrackMomentum(p); | |
1902 | hits[0]=p[0]; | |
1903 | hits[1]=p[1]; | |
1904 | hits[2]=p[2]; | |
fe4da5cc | 1905 | hits[3]=0.; // this hit has no energy loss |
642f15cf | 1906 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1907 | |
5d12ce38 | 1908 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
37831078 | 1909 | |
930ee558 | 1910 | } |
37831078 | 1911 | |
930ee558 | 1912 | gMC->TrackPosition(p); |
1913 | hits[0]=p[0]; | |
1914 | hits[1]=p[1]; | |
1915 | hits[2]=p[2]; | |
1916 | hits[3]=0.; // this hit has no energy loss | |
642f15cf | 1917 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1918 | |
5d12ce38 | 1919 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
930ee558 | 1920 | |
37831078 | 1921 | } |
fe4da5cc | 1922 | else return; |
37831078 | 1923 | |
1924 | //----------------------------------------------------------------- | |
fe4da5cc | 1925 | // charged particle is in the sensitive volume |
37831078 | 1926 | //----------------------------------------------------------------- |
fe4da5cc | 1927 | |
cfce8870 | 1928 | if(gMC->TrackStep() > 0) { |
fe4da5cc | 1929 | |
73042f01 | 1930 | Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1; |
fe4da5cc | 1931 | nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV |
1932 | ||
37831078 | 1933 | gMC->TrackPosition(p); |
1934 | hits[0]=p[0]; | |
1935 | hits[1]=p[1]; | |
1936 | hits[2]=p[2]; | |
fe4da5cc | 1937 | hits[3]=(Float_t)nel; |
1938 | ||
1939 | // Add this hit | |
1940 | ||
642f15cf | 1941 | // new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits); |
6a905708 | 1942 | if (fHitType&&2){ |
1943 | gMC->TrackMomentum(p); | |
1944 | Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]); | |
1945 | Float_t precision = (momentum>0.1) ? 0.002 :0.01; | |
1946 | fTrackHits->SetHitPrecision(precision); | |
1947 | } | |
5d12ce38 | 1948 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); //MI change |
fe4da5cc | 1949 | |
1950 | } | |
1951 | ||
1952 | // Stemax calculation for the next step | |
1953 | ||
1954 | Float_t pp; | |
0a6d8768 | 1955 | TLorentzVector mom; |
1956 | gMC->TrackMomentum(mom); | |
1957 | Float_t ptot=mom.Rho(); | |
73042f01 | 1958 | Float_t betaGamma = ptot/gMC->TrackMass(); |
fe4da5cc | 1959 | |
69e40cce | 1960 | Int_t pid=gMC->TrackPid(); |
cc80f89e | 1961 | if((pid==kElectron || pid==kPositron) && ptot > 0.002) |
fe4da5cc | 1962 | { |
73042f01 | 1963 | pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau! |
fe4da5cc | 1964 | } |
1965 | else | |
1966 | { | |
595bf2c3 | 1967 | |
07521998 | 1968 | betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg |
595bf2c3 | 1969 | pp=kprim*BetheBloch(betaGamma); |
1970 | ||
fe4da5cc | 1971 | if(TMath::Abs(charge) > 1.) pp *= (charge*charge); |
1972 | } | |
1973 | ||
b9d0a01d | 1974 | Double_t rnd = gMC->GetRandom()->Rndm(); |
fe4da5cc | 1975 | |
cfce8870 | 1976 | gMC->SetMaxStep(-TMath::Log(rnd)/pp); |
fe4da5cc | 1977 | |
1978 | } | |
1979 | ||
1980 | //_____________________________________________________________________________ | |
1981 | Float_t AliTPCv2::BetheBloch(Float_t bg) | |
1982 | { | |
1983 | // | |
1984 | // Bethe-Bloch energy loss formula | |
1985 | // | |
73042f01 | 1986 | const Double_t kp1=0.76176e-1; |
1987 | const Double_t kp2=10.632; | |
1988 | const Double_t kp3=0.13279e-4; | |
1989 | const Double_t kp4=1.8631; | |
1990 | const Double_t kp5=1.9479; | |
fe4da5cc | 1991 | |
1992 | Double_t dbg = (Double_t) bg; | |
1993 | ||
1994 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
1995 | ||
73042f01 | 1996 | Double_t aa = TMath::Power(beta,kp4); |
1997 | Double_t bb = TMath::Power(1./dbg,kp5); | |
fe4da5cc | 1998 | |
73042f01 | 1999 | bb=TMath::Log(kp3+bb); |
fe4da5cc | 2000 | |
73042f01 | 2001 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); |
fe4da5cc | 2002 | } |
73042f01 | 2003 | |
2004 |