| | 1 | /************************************************************************** |
| | 2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| | 3 | * * |
| | 4 | * Author: The ALICE Off-line Project. * |
| | 5 | * Contributors are mentioned in the code where appropriate. * |
| | 6 | * * |
| | 7 | * Permission to use, copy, modify and distribute this software and its * |
| | 8 | * documentation strictly for non-commercial purposes is hereby granted * |
| | 9 | * without fee, provided that the above copyright notice appears in all * |
| | 10 | * copies and that both the copyright notice and this permission notice * |
| | 11 | * appear in the supporting documentation. The authors make no claims * |
| | 12 | * about the suitability of this software for any purpose. It is * |
| | 13 | * provided "as is" without express or implied warranty. * |
| | 14 | **************************************************************************/ |
| | 15 | |
| | 16 | /* $Id$ */ |
| | 17 | |
| | 18 | //------------------------------------------------------------------------- |
| | 19 | // Beam pipe class |
| | 20 | // Default version |
| | 21 | // Author: A.Morsch |
| | 22 | //------------------------------------------------------------------------- |
| | 23 | |
| | 24 | #include <Riostream.h> |
| | 25 | |
| | 26 | #include <TGeoManager.h> |
| | 27 | #include <TGeoGlobalMagField.h> |
| | 28 | #include <TSystem.h> |
| | 29 | #include <TVirtualMC.h> |
| | 30 | |
| | 31 | #include "AliConst.h" |
| | 32 | #include "AliMagF.h" |
| | 33 | #include "AliPIPEv0.h" |
| | 34 | #include "AliRun.h" |
| | 35 | #include "AliLog.h" |
| | 36 | |
| | 37 | ClassImp(AliPIPEv0) |
| | 38 | |
| | 39 | |
| | 40 | //_____________________________________________________________________________ |
| | 41 | AliPIPEv0::AliPIPEv0(): |
| | 42 | fPipeMaterial(kBe) |
| | 43 | { |
| | 44 | // Constructor |
| | 45 | } |
| | 46 | |
| | 47 | //_____________________________________________________________________________ |
| | 48 | AliPIPEv0::AliPIPEv0(const char *name, const char *title) |
| | 49 | : AliPIPE(name,title), |
| | 50 | fPipeMaterial(kBe) |
| | 51 | { |
| | 52 | // Constructor |
| | 53 | } |
| | 54 | |
| | 55 | |
| | 56 | //___________________________________________ |
| | 57 | void AliPIPEv0::CreateGeometry() |
| | 58 | { |
| | 59 | //Begin_Html |
| | 60 | /* |
| | 61 | <img src="picts/pipe.gif"> |
| | 62 | */ |
| | 63 | //End_Html |
| | 64 | |
| | 65 | |
| | 66 | //Begin_Html |
| | 67 | /* |
| | 68 | <img src="picts/tree_pipe.gif"> |
| | 69 | */ |
| | 70 | //End_Html |
| | 71 | |
| | 72 | AliDebugClass(1,"Create PIPEv0 geometry"); |
| | 73 | |
| | 74 | |
| | 75 | Int_t *idtmed = fIdtmed->GetArray(); |
| | 76 | Float_t ppcon[90], ptube[3], pbox[3]; |
| | 77 | Int_t i=0; |
| | 78 | |
| | 79 | |
| | 80 | Int_t idrotm[2099]; |
| | 81 | AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.); |
| | 82 | AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.); |
| | 83 | AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.); |
| | 84 | AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.); |
| | 85 | AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.); |
| | 86 | AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.); |
| | 87 | AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.); |
| | 88 | AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.); |
| | 89 | AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.); |
| | 90 | AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.); |
| | 91 | idrotm[2011] = 0; |
| | 92 | AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.); |
| | 93 | AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.); |
| | 94 | // |
| | 95 | // Bellow |
| | 96 | // |
| | 97 | // distance between bellows |
| | 98 | // total size of bellow section |
| | 99 | const Float_t kdzb = 14.6; |
| | 100 | // size of undulated region |
| | 101 | // |
| | 102 | // Absorber side |
| | 103 | // |
| | 104 | // distance between bellows |
| | 105 | const Float_t kdzbbA = 4.6; |
| | 106 | // total size of bellow section |
| | 107 | const Float_t kdzbA = 14.6; |
| | 108 | // size of undulated region |
| | 109 | const Float_t kdzubA = 3.75; |
| | 110 | |
| | 111 | // half-lengths of various beam pipe sections |
| | 112 | // central Be-Pipe |
| | 113 | Float_t hlenQbbe1 = 40.; |
| | 114 | Float_t hlenQbbe2 = 36.5; |
| | 115 | Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.; |
| | 116 | // |
| | 117 | // |
| | 118 | // Float_t hlenQbt1 = 5.5/2.; |
| | 119 | // |
| | 120 | // Pipe outside central region (non-absorber side) |
| | 121 | Float_t hlenQbab = 157.5 + 23./2.; |
| | 122 | // |
| | 123 | // Flange non-absorber side |
| | 124 | Float_t hlenQb29 = 11.5/2.+1.75 + 5.0; |
| | 125 | // |
| | 126 | // Bellow element |
| | 127 | Float_t hlenQbe0 = kdzbA; |
| | 128 | // |
| | 129 | // Inox pipe between Be and Bellow (absorber side) |
| | 130 | Float_t hlenQb24[3] = {11.3/2., 1.8, 3.3}; |
| | 131 | // |
| | 132 | // |
| | 133 | Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.; |
| | 134 | // |
| | 135 | // Position of the pump |
| | 136 | Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+kdzb; |
| | 137 | // |
| | 138 | // Inner beam pipe radius |
| | 139 | // Be |
| | 140 | const Float_t kRinBe = 2.9; |
| | 141 | // Steel |
| | 142 | const Float_t kRinSt = 2.9; |
| | 143 | // Bellow |
| | 144 | const Float_t kRinSB = 2.92; |
| | 145 | // |
| | 146 | // Outer beam pipe radius |
| | 147 | // Be |
| | 148 | const Float_t kRoutBe = 2.98; |
| | 149 | // Steel |
| | 150 | const Float_t kRoutSt = 2.98; |
| | 151 | // Bellow |
| | 152 | const Float_t kRoutSB = 3.00; |
| | 153 | |
| | 154 | // |
| | 155 | Float_t dz; |
| | 156 | |
| | 157 | // |
| | 158 | // The peam pipe up to the Front Absorber |
| | 159 | // |
| | 160 | // Mother Volume QBPM |
| | 161 | ppcon[0] = 0; |
| | 162 | ppcon[1] = 360; |
| | 163 | ppcon[2] = 20; |
| | 164 | // 1 |
| | 165 | ppcon[3] = -90.; |
| | 166 | ppcon[4] = 0.; |
| | 167 | ppcon[5] = 3.1; |
| | 168 | // 2 |
| | 169 | ppcon[6] = -84.; |
| | 170 | ppcon[7] = 0.; |
| | 171 | ppcon[8] = 3.1; |
| | 172 | // 3 |
| | 173 | ppcon[9] = -84.; |
| | 174 | ppcon[10] = 0.; |
| | 175 | ppcon[11] = 4.4; |
| | 176 | // 4 |
| | 177 | ppcon[12] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1]; |
| | 178 | ppcon[13] = 0.; |
| | 179 | ppcon[14] = 4.4; |
| | 180 | // 5 |
| | 181 | ppcon[15] = ppcon[12]; |
| | 182 | ppcon[16] = 0.; |
| | 183 | ppcon[17] = 4.1; |
| | 184 | // 6 |
| | 185 | ppcon[18] = ppcon[15] + 2.5 + 2.*kdzubA+0.2; |
| | 186 | ppcon[19] = 0.; |
| | 187 | ppcon[20] = 4.1; |
| | 188 | // 7 |
| | 189 | ppcon[21] = ppcon[18]; |
| | 190 | ppcon[22] = 0.; |
| | 191 | ppcon[23] = 3.2; |
| | 192 | // 8 |
| | 193 | ppcon[24] = ppcon[21] + 2.* kdzbbA-0.4; |
| | 194 | ppcon[25] = 0.; |
| | 195 | ppcon[26] = 3.2; |
| | 196 | // 9 |
| | 197 | ppcon[27] = ppcon[24]; |
| | 198 | ppcon[28] = 0.; |
| | 199 | ppcon[29] = 4.1; |
| | 200 | // 10 |
| | 201 | ppcon[30] = -44.; |
| | 202 | ppcon[31] = 0.; |
| | 203 | ppcon[32] = 4.1; |
| | 204 | // 11 |
| | 205 | ppcon[33] = -44.; |
| | 206 | ppcon[34] = 0; |
| | 207 | ppcon[35] = 3.06; |
| | 208 | // 12 |
| | 209 | ppcon[36] = 38.; |
| | 210 | ppcon[37] = 0; |
| | 211 | ppcon[38] = 3.06; |
| | 212 | // 13 |
| | 213 | ppcon[39] = 38.; |
| | 214 | ppcon[40] = 0; |
| | 215 | ppcon[41] = 4.1; |
| | 216 | // 14 |
| | 217 | ppcon[42] = hlenQbbe1+2.*hlenQbab-0.1; |
| | 218 | ppcon[43] = 0.; |
| | 219 | ppcon[44] = 4.1; |
| | 220 | // 15 |
| | 221 | ppcon[45] = ppcon[42]; |
| | 222 | ppcon[46] = 0.; |
| | 223 | ppcon[47] = 4.1; |
| | 224 | // 16 |
| | 225 | ppcon[48] = ppcon[45]+2.*hlenQb29-5.; |
| | 226 | ppcon[49] = 0.; |
| | 227 | ppcon[50] = 4.1; |
| | 228 | // 17 |
| | 229 | ppcon[51] = ppcon[48]; |
| | 230 | ppcon[52] = 0.; |
| | 231 | ppcon[53] = 56.; |
| | 232 | // 18 |
| | 233 | ppcon[54] = ppcon[51]+2.*kdzb+10.; |
| | 234 | ppcon[55] = 0.; |
| | 235 | ppcon[56] = 56.; |
| | 236 | // 19 |
| | 237 | ppcon[57] = ppcon[54]; |
| | 238 | ppcon[58] = 0.; |
| | 239 | ppcon[59] = 4.1; |
| | 240 | // 20 |
| | 241 | ppcon[60] = 800.; |
| | 242 | ppcon[61] = 0.; |
| | 243 | ppcon[62] = 4.1; |
| | 244 | |
| | 245 | gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,63); |
| | 246 | |
| | 247 | |
| | 248 | // |
| | 249 | // volume definitions of various sections |
| | 250 | // |
| | 251 | |
| | 252 | // |
| | 253 | // The Vacuum |
| | 254 | gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0); |
| | 255 | ptube[0] = 0.0; |
| | 256 | ptube[1] = kRinSt; |
| | 257 | ptube[2] = (90.-hlenQbbe2)/2.; |
| | 258 | dz = -90. + ptube[2]; |
| | 259 | gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); |
| | 260 | dz = dz + ptube[2]; |
| | 261 | |
| | 262 | ptube[1] = kRinBe; |
| | 263 | ptube[2] = hlenQbbe+hlenQbab; |
| | 264 | dz = dz + ptube[2]; |
| | 265 | gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); |
| | 266 | dz = dz + ptube[2]; |
| | 267 | |
| | 268 | ptube[1] = kRinSt; |
| | 269 | ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.; |
| | 270 | dz = dz + ptube[2]; |
| | 271 | gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); |
| | 272 | |
| | 273 | // |
| | 274 | // Be Pipe in central Alice |
| | 275 | ptube[0] = kRinBe; |
| | 276 | ptube[1] = kRoutBe; |
| | 277 | ptube[2] = hlenQbbe; |
| | 278 | |
| | 279 | gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3); |
| | 280 | |
| | 281 | // |
| | 282 | // Support Ring |
| | 283 | // |
| | 284 | // Mother |
| | 285 | ptube[0] = kRoutSB; |
| | 286 | ptube[1] = 4.0; |
| | 287 | ptube[2] = 0.6; |
| | 288 | gMC->Gsvolu("QBSR", "TUBE", idtmed[kAlu], ptube,3); |
| | 289 | // Inner support |
| | 290 | ptube[0] = kRoutSB; |
| | 291 | ptube[1] = 3.5; |
| | 292 | gMC->Gsvolu("QBSS", "TUBE", idtmed[kPA], ptube,3); |
| | 293 | gMC->Gspos("QBSS", 1, "QBSR", 0.0, 0.0, 0.0, 0, "ONLY"); |
| | 294 | |
| | 295 | gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY"); |
| | 296 | gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY"); |
| | 297 | gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY"); |
| | 298 | gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY"); |
| | 299 | // |
| | 300 | // Flange and Fixed Point: non absorber side |
| | 301 | // |
| | 302 | // ----------> |
| | 303 | // |
| | 304 | // Mother |
| | 305 | ppcon[0] = 0; |
| | 306 | ppcon[1] = 360; |
| | 307 | ppcon[2] = 4; |
| | 308 | // 1: |
| | 309 | ppcon[3] = -hlenQb29; |
| | 310 | ppcon[4] = kRinSt; |
| | 311 | ppcon[5] = 5.8; |
| | 312 | // 2 |
| | 313 | ppcon[6] = ppcon[3]+3.6; |
| | 314 | ppcon[7] = kRinSt; |
| | 315 | ppcon[8] = 5.8; |
| | 316 | // 3 |
| | 317 | ppcon[9] = ppcon[6]; |
| | 318 | ppcon[10] = kRinSt; |
| | 319 | ppcon[11] = 3.6; |
| | 320 | // 4 |
| | 321 | ppcon[12] = hlenQb29; |
| | 322 | ppcon[13] = kRinSt; |
| | 323 | ppcon[14] = 3.6; |
| | 324 | |
| | 325 | gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15); |
| | 326 | |
| | 327 | |
| | 328 | // Flange |
| | 329 | ptube[0] = kRinSt; |
| | 330 | ptube[1] = 5.7; |
| | 331 | ptube[2] = 1.75; |
| | 332 | gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3); |
| | 333 | gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY"); |
| | 334 | // Pipe |
| | 335 | ptube[0] = kRinSt; |
| | 336 | ptube[1] = 3.06; |
| | 337 | ptube[2] = hlenQb29; |
| | 338 | gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3); |
| | 339 | gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY"); |
| | 340 | // Fixed point |
| | 341 | ptube[0] = kRinSt; |
| | 342 | ptube[1] = 3.5; |
| | 343 | ptube[2] = 0.3; |
| | 344 | gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3); |
| | 345 | gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY"); |
| | 346 | |
| | 347 | // |
| | 348 | // |
| | 349 | // Inox beam pipe: final section on non-absorber side |
| | 350 | |
| | 351 | ptube[0] = kRinSt; |
| | 352 | ptube[1] = kRoutSt; |
| | 353 | ptube[2] = hlenQb28; |
| | 354 | |
| | 355 | gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3); |
| | 356 | // |
| | 357 | // |
| | 358 | // Air with high transport cuts outside QB28 |
| | 359 | ptube[0] = 25.; |
| | 360 | ptube[1] = 100.; |
| | 361 | ptube[2] = hlenQb28; |
| | 362 | |
| | 363 | gMC->Gsvolu("QA28","TUBE", idtmed[kAirHigh], ptube, 3); |
| | 364 | gGeoManager->SetVolumeAttribute("QA28", "SEEN", 0); |
| | 365 | // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe |
| | 366 | // |
| | 367 | // This section is under study (A.M. 1/2/2002) |
| | 368 | // |
| | 369 | |
| | 370 | ptube[0] = kRinBe; |
| | 371 | if (fPipeMaterial == kAlu) { |
| | 372 | ptube[1] = 3.06; |
| | 373 | } else if (fPipeMaterial == kBe) { |
| | 374 | ptube[1] = kRoutBe; |
| | 375 | } else if (fPipeMaterial == kInox){ |
| | 376 | ptube[1] = kRoutSt; |
| | 377 | } |
| | 378 | ptube[2] = hlenQbab; |
| | 379 | |
| | 380 | gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3); |
| | 381 | |
| | 382 | // 2.5 mm thick SS tube for hanging pump |
| | 383 | /* |
| | 384 | ptube[0] = Rin; |
| | 385 | ptube[1] = 3.15; |
| | 386 | ptube[2] = hlenQb26; |
| | 387 | |
| | 388 | gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3); |
| | 389 | */ |
| | 390 | // |
| | 391 | // Bellows |
| | 392 | // |
| | 393 | // |
| | 394 | // Mother Volume |
| | 395 | Float_t pconQBE0[33]; |
| | 396 | pconQBE0[ 0]= 0; |
| | 397 | pconQBE0[ 1]= 360; |
| | 398 | pconQBE0[ 2]= 10; |
| | 399 | // 1 |
| | 400 | pconQBE0[ 3] = -kdzbA; |
| | 401 | pconQBE0[ 4] = kRinSB; |
| | 402 | pconQBE0[ 5] = kRoutSB; |
| | 403 | // |
| | 404 | pconQBE0[ 6] = -kdzbA+2.5; |
| | 405 | pconQBE0[ 7] = kRinSB; |
| | 406 | pconQBE0[ 8] = kRoutSB; |
| | 407 | // 2 |
| | 408 | pconQBE0[ 9] = -kdzbA+2.5; |
| | 409 | pconQBE0[10] = kRinSB; |
| | 410 | pconQBE0[11] = 3.60; |
| | 411 | // 3 |
| | 412 | pconQBE0[12] = -kdzbA+2.5+2.*kdzubA; |
| | 413 | pconQBE0[13] = kRinSB; |
| | 414 | pconQBE0[14] = 3.60; |
| | 415 | // 4 |
| | 416 | pconQBE0[15] = -kdzbA+2.5+2.*kdzubA; |
| | 417 | pconQBE0[16] = kRinSB; |
| | 418 | pconQBE0[17] = kRoutSB; |
| | 419 | // 5 |
| | 420 | pconQBE0[18] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; |
| | 421 | pconQBE0[19] = kRinSB; |
| | 422 | pconQBE0[20] = kRoutSB; |
| | 423 | // 6 |
| | 424 | pconQBE0[21] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; |
| | 425 | pconQBE0[22] = kRinSB; |
| | 426 | pconQBE0[23] = 3.60; |
| | 427 | // 7 |
| | 428 | pconQBE0[24] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; |
| | 429 | pconQBE0[25] = kRinSB; |
| | 430 | pconQBE0[26] = 3.60; |
| | 431 | // 8 |
| | 432 | pconQBE0[27] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; |
| | 433 | pconQBE0[28] = kRinSB; |
| | 434 | pconQBE0[29] = kRoutSB; |
| | 435 | // 9 |
| | 436 | pconQBE0[30] = -kdzbA+5.0+4.*kdzubA+2.*kdzbbA; |
| | 437 | pconQBE0[31] = kRinSB; |
| | 438 | pconQBE0[32] = kRoutSB; |
| | 439 | |
| | 440 | gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33); |
| | 441 | // |
| | 442 | // Undulated piece mother |
| | 443 | ptube[0] = kRinSB; |
| | 444 | ptube[1] = 3.60; |
| | 445 | ptube[2] = kdzubA; |
| | 446 | gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3); |
| | 447 | dz = -kdzbA+kdzubA+2.5; |
| | 448 | gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY"); |
| | 449 | gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY"); |
| | 450 | // |
| | 451 | Float_t pund[30]; |
| | 452 | Float_t uw = 0.02; |
| | 453 | Float_t ur = 2.*kdzubA-36.*uw; |
| | 454 | Float_t uz = ur/37.; |
| | 455 | Float_t ut = uz+uw; |
| | 456 | |
| | 457 | pund[ 0] = 0; |
| | 458 | pund[ 1] = 360; |
| | 459 | pund[ 2] = 8; |
| | 460 | |
| | 461 | pund[ 3] = -ut; |
| | 462 | pund[ 4] = kRinSB; |
| | 463 | pund[ 5] = kRinSB+uw; |
| | 464 | |
| | 465 | pund[ 6] = -ut+uz; |
| | 466 | pund[ 7] = pund[4]; |
| | 467 | pund[ 8] = pund[5]; |
| | 468 | |
| | 469 | pund[ 9] = pund[6]; |
| | 470 | pund[10] = pund[4]; |
| | 471 | pund[11] = 3.6; |
| | 472 | |
| | 473 | pund[12] = pund[9]+uw; |
| | 474 | pund[13] = pund[10]; |
| | 475 | pund[14] = pund[11]; |
| | 476 | |
| | 477 | pund[15] = pund[12]; |
| | 478 | pund[16] = 3.6-uw; |
| | 479 | pund[17] = pund[14]; |
| | 480 | |
| | 481 | pund[18] = pund[12]+uz; |
| | 482 | pund[19] = pund[16]; |
| | 483 | pund[20] = pund[17]; |
| | 484 | |
| | 485 | pund[21] = pund[18]; |
| | 486 | pund[22] = kRinSB; |
| | 487 | pund[23] = pund[20]; |
| | 488 | |
| | 489 | pund[24] = pund[21]+uw; |
| | 490 | pund[25] = pund[22]; |
| | 491 | pund[26] = pund[23]; |
| | 492 | |
| | 493 | gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27); |
| | 494 | |
| | 495 | for (i = 0; i < 18; i++) |
| | 496 | { |
| | 497 | dz = -kdzubA+(1+2*i)*ut; |
| | 498 | gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY"); |
| | 499 | } |
| | 500 | ptube[0] = kRinSB; |
| | 501 | ptube[1] = kRinSB+uw; |
| | 502 | ptube[2] = uz; |
| | 503 | gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3); |
| | 504 | gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, kdzubA-uz, 0 , "ONLY"); |
| | 505 | |
| | 506 | // |
| | 507 | // BeamPipe |
| | 508 | gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0); |
| | 509 | ptube[0] = kRinSB; |
| | 510 | ptube[1] = kRoutSB; |
| | 511 | ptube[2] = 1.25; |
| | 512 | gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -kdzbA+1.25, 0 , "ONLY", ptube, 3); |
| | 513 | gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, kdzbA-1.25, 0 , "ONLY", ptube, 3); |
| | 514 | ptube[2] = kdzbbA; |
| | 515 | gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3); |
| | 516 | // |
| | 517 | // |
| | 518 | // ----> End Bellow |
| | 519 | // |
| | 520 | // **** Placement of various sections on non-absorber side **** |
| | 521 | // |
| | 522 | // |
| | 523 | // first the beryllium section |
| | 524 | Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2; |
| | 525 | gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); |
| | 526 | |
| | 527 | // next meta-metal transition QBT1 on on-absorber side |
| | 528 | // zpos = zpos + hlenQbbe + hlenQbt1; |
| | 529 | // gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); |
| | 530 | |
| | 531 | // Aluminium OR Al-be alloy section |
| | 532 | zpos = hlenQbbe1+hlenQbab; |
| | 533 | gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
| | 534 | // |
| | 535 | // inox flange at the start of bellow |
| | 536 | zpos = zpos + hlenQbab + hlenQb29; |
| | 537 | gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY"); |
| | 538 | // |
| | 539 | // bellow section |
| | 540 | zpos = zpos + hlenQb29 + hlenQbe0; |
| | 541 | gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
| | 542 | // |
| | 543 | // inox flange at the end of bellow and start of thick inox for pump |
| | 544 | zpos = zpos + hlenQbe0 + hlenQb29; |
| | 545 | gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
| | 546 | // |
| | 547 | //last inox section till 800 cm |
| | 548 | zpos = zpos + hlenQb29 + hlenQb28; |
| | 549 | gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
| | 550 | gMC->Gspos("QA28", 1, "ALIC", 0.0, 0.0, zpos, 0, "ONLY"); |
| | 551 | |
| | 552 | //******** end of placement on non-absorber side ********* |
| | 553 | // |
| | 554 | // **** Absorber side ***** |
| | 555 | // |
| | 556 | // |
| | 557 | // |
| | 558 | // Beam pipes between elements |
| | 559 | // |
| | 560 | gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0); |
| | 561 | ptube[0] = kRinSt; |
| | 562 | ptube[1] = kRoutSt; |
| | 563 | ptube[2] = hlenQb24[0]; |
| | 564 | Float_t bpbe[33]; |
| | 565 | bpbe[ 0] = 0.; |
| | 566 | bpbe[ 1] = 360.; |
| | 567 | bpbe[ 2] = 10.; |
| | 568 | // 1 |
| | 569 | bpbe[ 3] = -hlenQb24[0]; |
| | 570 | bpbe[ 4] = kRinSB; |
| | 571 | bpbe[ 5] = kRoutSB; |
| | 572 | // 2 |
| | 573 | bpbe[ 6] = hlenQb24[0] - 5.8; |
| | 574 | bpbe[ 7] = kRinSB; |
| | 575 | bpbe[ 8] = kRoutSB; |
| | 576 | // 3 |
| | 577 | bpbe[ 9] = hlenQb24[0] - 5.8; |
| | 578 | bpbe[10] = kRinSt; |
| | 579 | bpbe[11] = 3.05; |
| | 580 | // 4 |
| | 581 | bpbe[12] = hlenQb24[0] - 4.5; |
| | 582 | bpbe[13] = kRinSt; |
| | 583 | bpbe[14] = 3.05; |
| | 584 | // 5 |
| | 585 | bpbe[15] = hlenQb24[0] - 4.5; |
| | 586 | bpbe[16] = kRinSt; |
| | 587 | bpbe[17] = kRoutSt ; |
| | 588 | // 6 |
| | 589 | bpbe[18] = hlenQb24[0] - 3.5; |
| | 590 | bpbe[19] = kRinSt; |
| | 591 | bpbe[20] = kRoutSt ; |
| | 592 | // 7 |
| | 593 | bpbe[21] = hlenQb24[0] - 3.5; |
| | 594 | bpbe[22] = kRinSt; |
| | 595 | bpbe[23] = 3.05; |
| | 596 | // 8 |
| | 597 | bpbe[24] = hlenQb24[0] - 3.0; |
| | 598 | bpbe[25] = kRinSt; |
| | 599 | bpbe[26] = 3.05; |
| | 600 | // 9 |
| | 601 | bpbe[27] = hlenQb24[0] - 3.0; |
| | 602 | bpbe[28] = kRinSt; |
| | 603 | bpbe[29] = kRoutSt; |
| | 604 | // 10 |
| | 605 | bpbe[30] = hlenQb24[0]; |
| | 606 | bpbe[31] = kRinSt; |
| | 607 | bpbe[32] = kRoutSt; |
| | 608 | |
| | 609 | gMC->Gsvolu("QA24","PCON", idtmed[kInox], bpbe, 33); |
| | 610 | |
| | 611 | dz = hlenQbbe2 + hlenQb24[0]; |
| | 612 | |
| | 613 | gMC->Gspos("QA24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); |
| | 614 | // |
| | 615 | // Bellow on absorber side |
| | 616 | |
| | 617 | dz = dz+hlenQb24[0] + kdzbA; |
| | 618 | gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); |
| | 619 | // |
| | 620 | ptube[2] = hlenQb24[1]; |
| | 621 | dz = dz + kdzb + ptube[2]; |
| | 622 | gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); |
| | 623 | dz = dz + ptube[2]; |
| | 624 | |
| | 625 | // |
| | 626 | // Flange |
| | 627 | // |
| | 628 | // Mother Volume |
| | 629 | ptube[0] = kRinSB; |
| | 630 | ptube[1] = 4.300; |
| | 631 | ptube[2] = 1.4; |
| | 632 | |
| | 633 | gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3); |
| | 634 | dz = dz + ptube[2]; |
| | 635 | gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); |
| | 636 | dz = dz + ptube[2]; |
| | 637 | // |
| | 638 | // |
| | 639 | ptube[0] = kRinSB; |
| | 640 | ptube[1] = kRoutSB; |
| | 641 | ptube[2] = hlenQb24[2]; |
| | 642 | dz = dz + ptube[2]; |
| | 643 | gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); |
| | 644 | |
| | 645 | // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC) |
| | 646 | // by rotating it to 180 deg. and make it invisible |
| | 647 | // |
| | 648 | gMC->Gspos("QBPM",1,"ALIC", 0, 0, 0, 0, "ONLY"); |
| | 649 | gMC->Gsbool("QBPM", "L3DX"); |
| | 650 | gMC->Gsbool("QBPM", "L3O3"); |
| | 651 | gMC->Gsbool("QBPM", "L3O4"); |
| | 652 | |
| | 653 | |
| | 654 | // |
| | 655 | // ******** Ion Pump volume description starts here ****** |
| | 656 | // |
| | 657 | // |
| | 658 | // Getters -> |
| | 659 | pbox[0] = 6.50; |
| | 660 | pbox[1] = 6.75; |
| | 661 | pbox[2] = 15.60; |
| | 662 | gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3); |
| | 663 | |
| | 664 | pbox[0] = 5.90; |
| | 665 | pbox[1] = 6.15; |
| | 666 | pbox[2] = 15.00; |
| | 667 | gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3); |
| | 668 | gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY"); |
| | 669 | // <- |
| | 670 | |
| | 671 | ptube[0] = 0.0; |
| | 672 | ptube[1] = 19.0; |
| | 673 | ptube[2] = 2.5; |
| | 674 | gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3); |
| | 675 | |
| | 676 | |
| | 677 | ptube[0] = 0.0; |
| | 678 | ptube[1] = 15.0; |
| | 679 | ptube[2] = 2.5; |
| | 680 | gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3); |
| | 681 | gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY"); |
| | 682 | // |
| | 683 | // Connecting tube -> |
| | 684 | ptube[0] = 0.0; |
| | 685 | ptube[1] = 4.5; |
| | 686 | ptube[2] = 14.6; |
| | 687 | gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3); |
| | 688 | |
| | 689 | ptube[0] = 0.0; |
| | 690 | ptube[1] = 3.9; |
| | 691 | ptube[2] = 14.6; |
| | 692 | gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3); |
| | 693 | gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY"); |
| | 694 | // <- |
| | 695 | |
| | 696 | // |
| | 697 | // Flange -> |
| | 698 | ptube[0] = 4.6; |
| | 699 | ptube[1] = 7.30; |
| | 700 | ptube[2] = 2.15; |
| | 701 | gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3); |
| | 702 | // <- |
| | 703 | gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY"); |
| | 704 | gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY"); |
| | 705 | gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY"); |
| | 706 | gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY"); |
| | 707 | |
| | 708 | gGeoManager->SetVolumeAttribute("QBPM", "SEEN", 1); |
| | 709 | gGeoManager->SetVolumeAttribute("QBEM", "SEEN", 1); |
| | 710 | } |
| | 711 | |
| | 712 | |
| | 713 | |
| | 714 | //___________________________________________ |
| | 715 | void AliPIPEv0::CreateMaterials() |
| | 716 | { |
| | 717 | // |
| | 718 | // Define materials for beam pipe |
| | 719 | // |
| | 720 | |
| | 721 | AliDebugClass(1,"Create PIPEv0 materials"); |
| | 722 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
| | 723 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); |
| | 724 | // Steel (Inox) |
| | 725 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
| | 726 | Float_t zsteel[4] = { 26.,24.,28.,14. }; |
| | 727 | Float_t wsteel[4] = { .715,.18,.1,.005 }; |
| | 728 | // AlBe - alloy |
| | 729 | Float_t aAlBe[2] = { 26.98, 9.01}; |
| | 730 | Float_t zAlBe[2] = { 13.00, 4.00}; |
| | 731 | Float_t wAlBe[2] = { 0.4, 0.6}; |
| | 732 | // |
| | 733 | // Polyamid |
| | 734 | Float_t aPA[4] = {16., 14., 12., 1.}; |
| | 735 | Float_t zPA[4] = { 8., 7., 6., 1.}; |
| | 736 | Float_t wPA[4] = { 1., 1., 6., 11.}; |
| | 737 | // |
| | 738 | // Air |
| | 739 | // |
| | 740 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
| | 741 | Float_t zAir[4]={6.,7.,8.,18.}; |
| | 742 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; |
| | 743 | Float_t dAir = 1.20479E-3; |
| | 744 | Float_t dAir1 = 1.20479E-10; |
| | 745 | // |
| | 746 | // Kapton |
| | 747 | // |
| | 748 | Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994}; |
| | 749 | Float_t zKapton[4]={1.,6.,7.,8.}; |
| | 750 | Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235}; |
| | 751 | Float_t dKapton = 1.42; |
| | 752 | // |
| | 753 | // Berillium |
| | 754 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); |
| | 755 | // |
| | 756 | // Carbon |
| | 757 | AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9); |
| | 758 | // |
| | 759 | // Aluminum |
| | 760 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); |
| | 761 | // |
| | 762 | // Air |
| | 763 | AliMixture(15, "AIR$", aAir, zAir, dAir, 4, wAir); |
| | 764 | AliMixture(35, "AIR_HIGH$", aAir, zAir, dAir, 4, wAir); |
| | 765 | // |
| | 766 | // Vacuum |
| | 767 | AliMixture(16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir); |
| | 768 | // |
| | 769 | // stainless Steel |
| | 770 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); |
| | 771 | // |
| | 772 | // reduced density steel to approximate pump getter material |
| | 773 | AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel); |
| | 774 | // Al-Be alloy |
| | 775 | // |
| | 776 | AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); |
| | 777 | // Polyamid |
| | 778 | // |
| | 779 | AliMixture(22, "PA$", aPA, zPA, 1.14, -4, wPA); |
| | 780 | // |
| | 781 | // Kapton |
| | 782 | AliMixture(23, "KAPTON", aKapton, zKapton, dKapton, 4, wKapton); |
| | 783 | // |
| | 784 | // **************** |
| | 785 | // Defines tracking media parameters. |
| | 786 | // |
| | 787 | Float_t epsil = .001; // Tracking precision, |
| | 788 | Float_t stemax = -0.01; // Maximum displacement for multiple scat |
| | 789 | Float_t tmaxfd = -20.; // Maximum angle due to field deflection |
| | 790 | Float_t deemax = -.3; // Maximum fractional energy loss, DLS |
| | 791 | Float_t stmin = -.8; |
| | 792 | // *************** |
| | 793 | // |
| | 794 | // Beryllium |
| | 795 | |
| | 796 | AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 797 | |
| | 798 | // Carbon |
| | 799 | AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 800 | // |
| | 801 | // Aluminum |
| | 802 | AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 803 | // |
| | 804 | // Air |
| | 805 | AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 806 | AliMedium(35, "AIR_HIFG",35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 807 | // |
| | 808 | // Vacuum |
| | 809 | AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 810 | // |
| | 811 | // Steel |
| | 812 | AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 813 | // |
| | 814 | // Getter |
| | 815 | AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 816 | // |
| | 817 | // AlBe - Aloy |
| | 818 | AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 819 | // |
| | 820 | // Polyamid |
| | 821 | AliMedium(22, "PA" , 22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 822 | // |
| | 823 | // KAPTON |
| | 824 | AliMedium(23, "KAPTON", 23, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
| | 825 | |
| | 826 | } |
| | 827 | |
| | 828 | |
| | 829 | |
| | 830 | |
| | 831 | |
| | 832 | |
| | 833 | |
| | 834 | |
| | 835 | |
| | 836 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental