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