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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 | ||
eeacf08b | 16 | /* $Id$ */ |
4c039060 | 17 | |
eeacf08b | 18 | //------------------------------------------------------------------------- |
19 | // Beam pipe class | |
20 | // Default version | |
21 | // Author: A.Morsch | |
22 | //------------------------------------------------------------------------- | |
fe4da5cc | 23 | |
88cb7938 | 24 | #include <Riostream.h> |
25 | ||
c03db787 | 26 | #include <TGeoManager.h> |
f7a1cc68 | 27 | #include <TGeoGlobalMagField.h> |
88cb7938 | 28 | #include <TSystem.h> |
29 | #include <TVirtualMC.h> | |
c93255fe | 30 | #include <TArrayI.h> |
88cb7938 | 31 | |
7bd7faf8 | 32 | #include "AliConst.h" |
33 | #include "AliMagF.h" | |
88cb7938 | 34 | #include "AliPIPEv0.h" |
35 | #include "AliRun.h" | |
4951e003 | 36 | #include "AliLog.h" |
fe4da5cc | 37 | |
38 | ClassImp(AliPIPEv0) | |
6772b8d8 | 39 | |
fe4da5cc | 40 | |
41 | //_____________________________________________________________________________ | |
6772b8d8 | 42 | AliPIPEv0::AliPIPEv0(): |
43 | fPipeMaterial(kBe) | |
fe4da5cc | 44 | { |
b43eb0dc | 45 | // Constructor |
fe4da5cc | 46 | } |
47 | ||
48 | //_____________________________________________________________________________ | |
49 | AliPIPEv0::AliPIPEv0(const char *name, const char *title) | |
6772b8d8 | 50 | : AliPIPE(name,title), |
51 | fPipeMaterial(kBe) | |
fe4da5cc | 52 | { |
b43eb0dc | 53 | // Constructor |
fe4da5cc | 54 | } |
55 | ||
56 | ||
57 | //___________________________________________ | |
58 | void AliPIPEv0::CreateGeometry() | |
59 | { | |
fe4da5cc | 60 | //Begin_Html |
61 | /* | |
1439f98e | 62 | <img src="picts/pipe.gif"> |
fe4da5cc | 63 | */ |
64 | //End_Html | |
65 | ||
66 | ||
67 | //Begin_Html | |
68 | /* | |
1439f98e | 69 | <img src="picts/tree_pipe.gif"> |
fe4da5cc | 70 | */ |
71 | //End_Html | |
72 | ||
4951e003 | 73 | AliDebugClass(1,"Create PIPEv0 geometry"); |
fe4da5cc | 74 | |
fe4da5cc | 75 | |
7bd7faf8 | 76 | Int_t *idtmed = fIdtmed->GetArray(); |
b0090333 | 77 | Float_t ppcon[90], ptube[3], pbox[3]; |
7bd7faf8 | 78 | Int_t i=0; |
79 | ||
7bd7faf8 | 80 | |
81 | Int_t idrotm[2099]; | |
82 | AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.); | |
83 | AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.); | |
84 | AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.); | |
85 | AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.); | |
86 | AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.); | |
87 | AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.); | |
88 | AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.); | |
89 | AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.); | |
90 | AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.); | |
91 | AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.); | |
92 | idrotm[2011] = 0; | |
93 | AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.); | |
94 | AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.); | |
614dff1c | 95 | // |
96 | // Bellow | |
97 | // | |
22811e34 | 98 | // distance between bellows |
614dff1c | 99 | // total size of bellow section |
d013be8e | 100 | const Float_t kdzb = 14.6; |
614dff1c | 101 | // size of undulated region |
b63a407c | 102 | // |
103 | // Absorber side | |
104 | // | |
105 | // distance between bellows | |
d013be8e | 106 | const Float_t kdzbbA = 4.6; |
b63a407c | 107 | // total size of bellow section |
d013be8e | 108 | const Float_t kdzbA = 14.6; |
b63a407c | 109 | // size of undulated region |
110 | const Float_t kdzubA = 3.75; | |
614dff1c | 111 | |
112 | // half-lengths of various beam pipe sections | |
113 | // central Be-Pipe | |
114 | Float_t hlenQbbe1 = 40.; | |
115 | Float_t hlenQbbe2 = 36.5; | |
116 | Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.; | |
117 | // | |
118 | // | |
119 | // Float_t hlenQbt1 = 5.5/2.; | |
120 | // | |
d2c19024 | 121 | // Pipe outside central region (non-absorber side) |
122 | Float_t hlenQbab = 157.5 + 23./2.; | |
614dff1c | 123 | // |
124 | // Flange non-absorber side | |
125 | Float_t hlenQb29 = 11.5/2.+1.75 + 5.0; | |
126 | // | |
127 | // Bellow element | |
b63a407c | 128 | Float_t hlenQbe0 = kdzbA; |
614dff1c | 129 | // |
130 | // Inox pipe between Be and Bellow (absorber side) | |
d013be8e | 131 | Float_t hlenQb24[3] = {11.3/2., 1.8, 3.3}; |
614dff1c | 132 | // |
133 | // | |
134 | Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.; | |
135 | // | |
136 | // Position of the pump | |
eeacf08b | 137 | Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+kdzb; |
614dff1c | 138 | // |
139 | // Inner beam pipe radius | |
ed9bfb0d | 140 | // Be |
eeacf08b | 141 | const Float_t kRinBe = 2.9; |
ed9bfb0d | 142 | // Steel |
143 | const Float_t kRinSt = 2.9; | |
144 | // Bellow | |
145 | const Float_t kRinSB = 2.92; | |
614dff1c | 146 | // |
ed9bfb0d | 147 | // Outer beam pipe radius |
148 | // Be | |
eeacf08b | 149 | const Float_t kRoutBe = 2.98; |
ed9bfb0d | 150 | // Steel |
151 | const Float_t kRoutSt = 2.98; | |
152 | // Bellow | |
153 | const Float_t kRoutSB = 3.00; | |
614dff1c | 154 | |
155 | // | |
156 | Float_t dz; | |
7bd7faf8 | 157 | |
fe4da5cc | 158 | // |
159 | // The peam pipe up to the Front Absorber | |
fe4da5cc | 160 | // |
7bd7faf8 | 161 | // Mother Volume QBPM |
614dff1c | 162 | ppcon[0] = 0; |
163 | ppcon[1] = 360; | |
b0090333 | 164 | ppcon[2] = 20; |
165 | // 1 | |
614dff1c | 166 | ppcon[3] = -90.; |
167 | ppcon[4] = 0.; | |
b0090333 | 168 | ppcon[5] = 3.1; |
7bd7faf8 | 169 | // 2 |
b0090333 | 170 | ppcon[6] = -84.; |
614dff1c | 171 | ppcon[7] = 0.; |
b0090333 | 172 | ppcon[8] = 3.1; |
7bd7faf8 | 173 | // 3 |
b0090333 | 174 | ppcon[9] = -84.; |
614dff1c | 175 | ppcon[10] = 0.; |
b0090333 | 176 | ppcon[11] = 4.4; |
177 | // 4 | |
178 | ppcon[12] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1]; | |
614dff1c | 179 | ppcon[13] = 0.; |
b0090333 | 180 | ppcon[14] = 4.4; |
181 | // 5 | |
182 | ppcon[15] = ppcon[12]; | |
614dff1c | 183 | ppcon[16] = 0.; |
b0090333 | 184 | ppcon[17] = 4.1; |
22811e34 | 185 | // 6 |
b63a407c | 186 | ppcon[18] = ppcon[15] + 2.5 + 2.*kdzubA+0.2; |
614dff1c | 187 | ppcon[19] = 0.; |
b0090333 | 188 | ppcon[20] = 4.1; |
189 | // 7 | |
190 | ppcon[21] = ppcon[18]; | |
614dff1c | 191 | ppcon[22] = 0.; |
b0090333 | 192 | ppcon[23] = 3.2; |
193 | // 8 | |
b63a407c | 194 | ppcon[24] = ppcon[21] + 2.* kdzbbA-0.4; |
614dff1c | 195 | ppcon[25] = 0.; |
b0090333 | 196 | ppcon[26] = 3.2; |
7bd7faf8 | 197 | // 9 |
b0090333 | 198 | ppcon[27] = ppcon[24]; |
199 | ppcon[28] = 0.; | |
200 | ppcon[29] = 4.1; | |
22811e34 | 201 | // 10 |
b0090333 | 202 | ppcon[30] = -44.; |
203 | ppcon[31] = 0.; | |
204 | ppcon[32] = 4.1; | |
22811e34 | 205 | // 11 |
b0090333 | 206 | ppcon[33] = -44.; |
7bd7faf8 | 207 | ppcon[34] = 0; |
b63a407c | 208 | ppcon[35] = 3.06; |
22811e34 | 209 | // 12 |
b0090333 | 210 | ppcon[36] = 38.; |
211 | ppcon[37] = 0; | |
b63a407c | 212 | ppcon[38] = 3.06; |
614dff1c | 213 | // 13 |
b0090333 | 214 | ppcon[39] = 38.; |
215 | ppcon[40] = 0; | |
ed9bfb0d | 216 | ppcon[41] = 4.1; |
22811e34 | 217 | // 14 |
b0090333 | 218 | ppcon[42] = hlenQbbe1+2.*hlenQbab-0.1; |
614dff1c | 219 | ppcon[43] = 0.; |
ed9bfb0d | 220 | ppcon[44] = 4.1; |
614dff1c | 221 | // 15 |
222 | ppcon[45] = ppcon[42]; | |
223 | ppcon[46] = 0.; | |
ed9bfb0d | 224 | ppcon[47] = 4.1; |
22811e34 | 225 | // 16 |
b0090333 | 226 | ppcon[48] = ppcon[45]+2.*hlenQb29-5.; |
614dff1c | 227 | ppcon[49] = 0.; |
ed9bfb0d | 228 | ppcon[50] = 4.1; |
22811e34 | 229 | // 17 |
b0090333 | 230 | ppcon[51] = ppcon[48]; |
22811e34 | 231 | ppcon[52] = 0.; |
b0090333 | 232 | ppcon[53] = 56.; |
22811e34 | 233 | // 18 |
eeacf08b | 234 | ppcon[54] = ppcon[51]+2.*kdzb+10.; |
22811e34 | 235 | ppcon[55] = 0.; |
b0090333 | 236 | ppcon[56] = 56.; |
237 | // 19 | |
238 | ppcon[57] = ppcon[54]; | |
239 | ppcon[58] = 0.; | |
ed9bfb0d | 240 | ppcon[59] = 4.1; |
b0090333 | 241 | // 20 |
242 | ppcon[60] = 800.; | |
243 | ppcon[61] = 0.; | |
ed9bfb0d | 244 | ppcon[62] = 4.1; |
7bd7faf8 | 245 | |
b0090333 | 246 | gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,63); |
614dff1c | 247 | |
248 | ||
7bd7faf8 | 249 | // |
cd9c4f3a | 250 | // volume definitions of various sections |
251 | // | |
cd9c4f3a | 252 | |
614dff1c | 253 | // |
254 | // The Vacuum | |
255 | gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0); | |
256 | ptube[0] = 0.0; | |
eeacf08b | 257 | ptube[1] = kRinSt; |
614dff1c | 258 | ptube[2] = (90.-hlenQbbe2)/2.; |
259 | dz = -90. + ptube[2]; | |
260 | gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
261 | dz = dz + ptube[2]; | |
262 | ||
eeacf08b | 263 | ptube[1] = kRinBe; |
614dff1c | 264 | ptube[2] = hlenQbbe+hlenQbab; |
265 | dz = dz + ptube[2]; | |
266 | gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
267 | dz = dz + ptube[2]; | |
268 | ||
eeacf08b | 269 | ptube[1] = kRinSt; |
614dff1c | 270 | ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.; |
271 | dz = dz + ptube[2]; | |
272 | gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
cd9c4f3a | 273 | |
614dff1c | 274 | // |
275 | // Be Pipe in central Alice | |
eeacf08b | 276 | ptube[0] = kRinBe; |
277 | ptube[1] = kRoutBe; | |
cd9c4f3a | 278 | ptube[2] = hlenQbbe; |
7bd7faf8 | 279 | |
280 | gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3); | |
7bd7faf8 | 281 | |
282 | // | |
614dff1c | 283 | // Support Ring |
7bd7faf8 | 284 | // |
614dff1c | 285 | // Mother |
ed9bfb0d | 286 | ptube[0] = kRoutSB; |
287 | ptube[1] = 4.0; | |
288 | ptube[2] = 0.6; | |
289 | gMC->Gsvolu("QBSR", "TUBE", idtmed[kAlu], ptube,3); | |
290 | // Inner support | |
291 | ptube[0] = kRoutSB; | |
292 | ptube[1] = 3.5; | |
293 | gMC->Gsvolu("QBSS", "TUBE", idtmed[kPA], ptube,3); | |
294 | gMC->Gspos("QBSS", 1, "QBSR", 0.0, 0.0, 0.0, 0, "ONLY"); | |
7bd7faf8 | 295 | |
614dff1c | 296 | gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY"); |
297 | gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY"); | |
298 | gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY"); | |
299 | gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY"); | |
7bd7faf8 | 300 | // |
614dff1c | 301 | // Flange and Fixed Point: non absorber side |
7bd7faf8 | 302 | // |
614dff1c | 303 | // ----------> |
304 | // | |
305 | // Mother | |
306 | ppcon[0] = 0; | |
307 | ppcon[1] = 360; | |
308 | ppcon[2] = 4; | |
309 | // 1: | |
310 | ppcon[3] = -hlenQb29; | |
eeacf08b | 311 | ppcon[4] = kRinSt; |
614dff1c | 312 | ppcon[5] = 5.8; |
313 | // 2 | |
314 | ppcon[6] = ppcon[3]+3.6; | |
eeacf08b | 315 | ppcon[7] = kRinSt; |
614dff1c | 316 | ppcon[8] = 5.8; |
317 | // 3 | |
318 | ppcon[9] = ppcon[6]; | |
eeacf08b | 319 | ppcon[10] = kRinSt; |
614dff1c | 320 | ppcon[11] = 3.6; |
321 | // 4 | |
322 | ppcon[12] = hlenQb29; | |
eeacf08b | 323 | ppcon[13] = kRinSt; |
614dff1c | 324 | ppcon[14] = 3.6; |
7bd7faf8 | 325 | |
614dff1c | 326 | gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15); |
7bd7faf8 | 327 | |
7bd7faf8 | 328 | |
614dff1c | 329 | // Flange |
eeacf08b | 330 | ptube[0] = kRinSt; |
614dff1c | 331 | ptube[1] = 5.7; |
332 | ptube[2] = 1.75; | |
333 | gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3); | |
334 | gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY"); | |
335 | // Pipe | |
eeacf08b | 336 | ptube[0] = kRinSt; |
b63a407c | 337 | ptube[1] = 3.06; |
cd9c4f3a | 338 | ptube[2] = hlenQb29; |
614dff1c | 339 | gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3); |
340 | gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY"); | |
341 | // Fixed point | |
eeacf08b | 342 | ptube[0] = kRinSt; |
614dff1c | 343 | ptube[1] = 3.5; |
344 | ptube[2] = 0.3; | |
345 | gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3); | |
346 | gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY"); | |
22811e34 | 347 | |
614dff1c | 348 | // |
7bd7faf8 | 349 | // |
cd9c4f3a | 350 | // Inox beam pipe: final section on non-absorber side |
7bd7faf8 | 351 | |
eeacf08b | 352 | ptube[0] = kRinSt; |
353 | ptube[1] = kRoutSt; | |
cd9c4f3a | 354 | ptube[2] = hlenQb28; |
7bd7faf8 | 355 | |
356 | gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3); | |
a3bbe04e | 357 | // |
358 | // | |
359 | // Air with high transport cuts outside QB28 | |
360 | ptube[0] = 25.; | |
361 | ptube[1] = 100.; | |
362 | ptube[2] = hlenQb28; | |
7bd7faf8 | 363 | |
a3bbe04e | 364 | gMC->Gsvolu("QA28","TUBE", idtmed[kAirHigh], ptube, 3); |
c03db787 | 365 | gGeoManager->SetVolumeAttribute("QA28", "SEEN", 0); |
2196bc42 | 366 | // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe |
367 | // | |
614dff1c | 368 | // This section is under study (A.M. 1/2/2002) |
765e9e1a | 369 | // |
370 | ||
eeacf08b | 371 | ptube[0] = kRinBe; |
765e9e1a | 372 | if (fPipeMaterial == kAlu) { |
b63a407c | 373 | ptube[1] = 3.06; |
765e9e1a | 374 | } else if (fPipeMaterial == kBe) { |
eeacf08b | 375 | ptube[1] = kRoutBe; |
765e9e1a | 376 | } else if (fPipeMaterial == kInox){ |
eeacf08b | 377 | ptube[1] = kRoutSt; |
765e9e1a | 378 | } |
cd9c4f3a | 379 | ptube[2] = hlenQbab; |
2196bc42 | 380 | |
765e9e1a | 381 | gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3); |
2196bc42 | 382 | |
cd9c4f3a | 383 | // 2.5 mm thick SS tube for hanging pump |
614dff1c | 384 | /* |
385 | ptube[0] = Rin; | |
7bd7faf8 | 386 | ptube[1] = 3.15; |
cd9c4f3a | 387 | ptube[2] = hlenQb26; |
7bd7faf8 | 388 | |
cd9c4f3a | 389 | gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3); |
614dff1c | 390 | */ |
7bd7faf8 | 391 | // |
392 | // Bellows | |
fe4da5cc | 393 | // |
22811e34 | 394 | // |
7bd7faf8 | 395 | // Mother Volume |
614dff1c | 396 | Float_t pconQBE0[33]; |
397 | pconQBE0[ 0]= 0; | |
398 | pconQBE0[ 1]= 360; | |
b63a407c | 399 | pconQBE0[ 2]= 10; |
614dff1c | 400 | // 1 |
b63a407c | 401 | pconQBE0[ 3] = -kdzbA; |
ed9bfb0d | 402 | pconQBE0[ 4] = kRinSB; |
403 | pconQBE0[ 5] = kRoutSB; | |
b63a407c | 404 | // |
405 | pconQBE0[ 6] = -kdzbA+2.5; | |
ed9bfb0d | 406 | pconQBE0[ 7] = kRinSB; |
407 | pconQBE0[ 8] = kRoutSB; | |
b63a407c | 408 | // 2 |
409 | pconQBE0[ 9] = -kdzbA+2.5; | |
ed9bfb0d | 410 | pconQBE0[10] = kRinSB; |
b63a407c | 411 | pconQBE0[11] = 3.60; |
614dff1c | 412 | // 3 |
b63a407c | 413 | pconQBE0[12] = -kdzbA+2.5+2.*kdzubA; |
ed9bfb0d | 414 | pconQBE0[13] = kRinSB; |
b63a407c | 415 | pconQBE0[14] = 3.60; |
614dff1c | 416 | // 4 |
b63a407c | 417 | pconQBE0[15] = -kdzbA+2.5+2.*kdzubA; |
ed9bfb0d | 418 | pconQBE0[16] = kRinSB; |
419 | pconQBE0[17] = kRoutSB; | |
b63a407c | 420 | // 5 |
421 | pconQBE0[18] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 422 | pconQBE0[19] = kRinSB; |
423 | pconQBE0[20] = kRoutSB; | |
614dff1c | 424 | // 6 |
b63a407c | 425 | pconQBE0[21] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; |
ed9bfb0d | 426 | pconQBE0[22] = kRinSB; |
b63a407c | 427 | pconQBE0[23] = 3.60; |
428 | // 7 | |
429 | pconQBE0[24] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 430 | pconQBE0[25] = kRinSB; |
b63a407c | 431 | pconQBE0[26] = 3.60; |
614dff1c | 432 | // 8 |
b63a407c | 433 | pconQBE0[27] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; |
ed9bfb0d | 434 | pconQBE0[28] = kRinSB; |
435 | pconQBE0[29] = kRoutSB; | |
b63a407c | 436 | // 9 |
437 | pconQBE0[30] = -kdzbA+5.0+4.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 438 | pconQBE0[31] = kRinSB; |
439 | pconQBE0[32] = kRoutSB; | |
b63a407c | 440 | |
614dff1c | 441 | gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33); |
442 | // | |
443 | // Undulated piece mother | |
ed9bfb0d | 444 | ptube[0] = kRinSB; |
b63a407c | 445 | ptube[1] = 3.60; |
446 | ptube[2] = kdzubA; | |
7bd7faf8 | 447 | gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3); |
b63a407c | 448 | dz = -kdzbA+kdzubA+2.5; |
614dff1c | 449 | gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY"); |
450 | gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY"); | |
451 | // | |
452 | Float_t pund[30]; | |
453 | Float_t uw = 0.02; | |
b63a407c | 454 | Float_t ur = 2.*kdzubA-36.*uw; |
455 | Float_t uz = ur/37.; | |
614dff1c | 456 | Float_t ut = uz+uw; |
457 | ||
458 | pund[ 0] = 0; | |
459 | pund[ 1] = 360; | |
13a638e8 | 460 | pund[ 2] = 8; |
614dff1c | 461 | |
462 | pund[ 3] = -ut; | |
ed9bfb0d | 463 | pund[ 4] = kRinSB; |
464 | pund[ 5] = kRinSB+uw; | |
614dff1c | 465 | |
466 | pund[ 6] = -ut+uz; | |
467 | pund[ 7] = pund[4]; | |
468 | pund[ 8] = pund[5]; | |
469 | ||
470 | pund[ 9] = pund[6]; | |
471 | pund[10] = pund[4]; | |
b63a407c | 472 | pund[11] = 3.6; |
614dff1c | 473 | |
474 | pund[12] = pund[9]+uw; | |
475 | pund[13] = pund[10]; | |
476 | pund[14] = pund[11]; | |
477 | ||
478 | pund[15] = pund[12]; | |
b63a407c | 479 | pund[16] = 3.6-uw; |
614dff1c | 480 | pund[17] = pund[14]; |
481 | ||
482 | pund[18] = pund[12]+uz; | |
483 | pund[19] = pund[16]; | |
484 | pund[20] = pund[17]; | |
485 | ||
486 | pund[21] = pund[18]; | |
ed9bfb0d | 487 | pund[22] = kRinSB; |
614dff1c | 488 | pund[23] = pund[20]; |
489 | ||
490 | pund[24] = pund[21]+uw; | |
491 | pund[25] = pund[22]; | |
492 | pund[26] = pund[23]; | |
614dff1c | 493 | |
13a638e8 | 494 | gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27); |
614dff1c | 495 | |
b63a407c | 496 | for (i = 0; i < 18; i++) |
614dff1c | 497 | { |
b63a407c | 498 | dz = -kdzubA+(1+2*i)*ut; |
614dff1c | 499 | gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY"); |
7bd7faf8 | 500 | } |
ed9bfb0d | 501 | ptube[0] = kRinSB; |
502 | ptube[1] = kRinSB+uw; | |
614dff1c | 503 | ptube[2] = uz; |
504 | gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3); | |
b63a407c | 505 | gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, kdzubA-uz, 0 , "ONLY"); |
506 | ||
7bd7faf8 | 507 | // |
614dff1c | 508 | // BeamPipe |
509 | gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0); | |
ed9bfb0d | 510 | ptube[0] = kRinSB; |
511 | ptube[1] = kRoutSB; | |
b63a407c | 512 | ptube[2] = 1.25; |
513 | gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -kdzbA+1.25, 0 , "ONLY", ptube, 3); | |
514 | gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, kdzbA-1.25, 0 , "ONLY", ptube, 3); | |
515 | ptube[2] = kdzbbA; | |
614dff1c | 516 | gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3); |
517 | // | |
614dff1c | 518 | // |
519 | // ----> End Bellow | |
520 | // | |
521 | // **** Placement of various sections on non-absorber side **** | |
7bd7faf8 | 522 | // |
cd9c4f3a | 523 | // |
614dff1c | 524 | // first the beryllium section |
525 | Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2; | |
cd9c4f3a | 526 | gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); |
527 | ||
528 | // next meta-metal transition QBT1 on on-absorber side | |
614dff1c | 529 | // zpos = zpos + hlenQbbe + hlenQbt1; |
530 | // gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); | |
cd9c4f3a | 531 | |
532 | // Aluminium OR Al-be alloy section | |
614dff1c | 533 | zpos = hlenQbbe1+hlenQbab; |
cd9c4f3a | 534 | gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
614dff1c | 535 | // |
cd9c4f3a | 536 | // inox flange at the start of bellow |
cd9c4f3a | 537 | zpos = zpos + hlenQbab + hlenQb29; |
614dff1c | 538 | gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY"); |
539 | // | |
cd9c4f3a | 540 | // bellow section |
cd9c4f3a | 541 | zpos = zpos + hlenQb29 + hlenQbe0; |
614dff1c | 542 | gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
543 | // | |
cd9c4f3a | 544 | // inox flange at the end of bellow and start of thick inox for pump |
cd9c4f3a | 545 | zpos = zpos + hlenQbe0 + hlenQb29; |
614dff1c | 546 | gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
547 | // | |
cd9c4f3a | 548 | //last inox section till 800 cm |
cd9c4f3a | 549 | zpos = zpos + hlenQb29 + hlenQb28; |
550 | gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
a3bbe04e | 551 | gMC->Gspos("QA28", 1, "ALIC", 0.0, 0.0, zpos, 0, "ONLY"); |
614dff1c | 552 | |
ed9bfb0d | 553 | //******** end of placement on non-absorber side ********* |
cd9c4f3a | 554 | // |
555 | // **** Absorber side ***** | |
556 | // | |
557 | // | |
614dff1c | 558 | // |
559 | // Beam pipes between elements | |
ed9bfb0d | 560 | // |
614dff1c | 561 | gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0); |
eeacf08b | 562 | ptube[0] = kRinSt; |
563 | ptube[1] = kRoutSt; | |
614dff1c | 564 | ptube[2] = hlenQb24[0]; |
ed9bfb0d | 565 | Float_t bpbe[33]; |
566 | bpbe[ 0] = 0.; | |
567 | bpbe[ 1] = 360.; | |
568 | bpbe[ 2] = 10.; | |
569 | // 1 | |
570 | bpbe[ 3] = -hlenQb24[0]; | |
571 | bpbe[ 4] = kRinSB; | |
572 | bpbe[ 5] = kRoutSB; | |
573 | // 2 | |
574 | bpbe[ 6] = hlenQb24[0] - 5.8; | |
575 | bpbe[ 7] = kRinSB; | |
576 | bpbe[ 8] = kRoutSB; | |
577 | // 3 | |
578 | bpbe[ 9] = hlenQb24[0] - 5.8; | |
579 | bpbe[10] = kRinSt; | |
580 | bpbe[11] = 3.05; | |
581 | // 4 | |
582 | bpbe[12] = hlenQb24[0] - 4.5; | |
583 | bpbe[13] = kRinSt; | |
584 | bpbe[14] = 3.05; | |
585 | // 5 | |
586 | bpbe[15] = hlenQb24[0] - 4.5; | |
587 | bpbe[16] = kRinSt; | |
588 | bpbe[17] = kRoutSt ; | |
589 | // 6 | |
590 | bpbe[18] = hlenQb24[0] - 3.5; | |
591 | bpbe[19] = kRinSt; | |
592 | bpbe[20] = kRoutSt ; | |
593 | // 7 | |
594 | bpbe[21] = hlenQb24[0] - 3.5; | |
595 | bpbe[22] = kRinSt; | |
596 | bpbe[23] = 3.05; | |
597 | // 8 | |
598 | bpbe[24] = hlenQb24[0] - 3.0; | |
599 | bpbe[25] = kRinSt; | |
600 | bpbe[26] = 3.05; | |
601 | // 9 | |
602 | bpbe[27] = hlenQb24[0] - 3.0; | |
603 | bpbe[28] = kRinSt; | |
604 | bpbe[29] = kRoutSt; | |
605 | // 10 | |
606 | bpbe[30] = hlenQb24[0]; | |
607 | bpbe[31] = kRinSt; | |
608 | bpbe[32] = kRoutSt; | |
609 | ||
610 | gMC->Gsvolu("QA24","PCON", idtmed[kInox], bpbe, 33); | |
611 | ||
612 | dz = hlenQbbe2 + hlenQb24[0]; | |
613 | ||
614 | gMC->Gspos("QA24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
614dff1c | 615 | // |
616 | // Bellow on absorber side | |
ed9bfb0d | 617 | |
b63a407c | 618 | dz = dz+hlenQb24[0] + kdzbA; |
614dff1c | 619 | gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); |
620 | // | |
621 | ptube[2] = hlenQb24[1]; | |
eeacf08b | 622 | dz = dz + kdzb + ptube[2]; |
614dff1c | 623 | gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); |
624 | dz = dz + ptube[2]; | |
7bd7faf8 | 625 | |
7bd7faf8 | 626 | // |
7bd7faf8 | 627 | // Flange |
628 | // | |
629 | // Mother Volume | |
ed9bfb0d | 630 | ptube[0] = kRinSB; |
7bd7faf8 | 631 | ptube[1] = 4.300; |
614dff1c | 632 | ptube[2] = 1.4; |
7bd7faf8 | 633 | |
614dff1c | 634 | gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3); |
635 | dz = dz + ptube[2]; | |
636 | gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
637 | dz = dz + ptube[2]; | |
7bd7faf8 | 638 | // |
614dff1c | 639 | // |
ed9bfb0d | 640 | ptube[0] = kRinSB; |
641 | ptube[1] = kRoutSB; | |
614dff1c | 642 | ptube[2] = hlenQb24[2]; |
643 | dz = dz + ptube[2]; | |
644 | gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); | |
cd9c4f3a | 645 | |
fe4da5cc | 646 | // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC) |
cd9c4f3a | 647 | // by rotating it to 180 deg. and make it invisible |
fe4da5cc | 648 | // |
df7d6d39 | 649 | gMC->Gspos("QBPM",1,"ALIC", 0, 0, 0, 0, "ONLY"); |
fddcf8f7 | 650 | gMC->Gsbool("QBPM", "L3DX"); |
651 | gMC->Gsbool("QBPM", "L3O3"); | |
652 | gMC->Gsbool("QBPM", "L3O4"); | |
7bd7faf8 | 653 | |
cd9c4f3a | 654 | |
7bd7faf8 | 655 | // |
cd9c4f3a | 656 | // ******** Ion Pump volume description starts here ****** |
7bd7faf8 | 657 | // |
7bd7faf8 | 658 | // |
659 | // Getters -> | |
660 | pbox[0] = 6.50; | |
661 | pbox[1] = 6.75; | |
662 | pbox[2] = 15.60; | |
663 | gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3); | |
664 | ||
665 | pbox[0] = 5.90; | |
666 | pbox[1] = 6.15; | |
667 | pbox[2] = 15.00; | |
668 | gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3); | |
669 | gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY"); | |
670 | // <- | |
671 | ||
672 | ptube[0] = 0.0; | |
673 | ptube[1] = 19.0; | |
674 | ptube[2] = 2.5; | |
675 | gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3); | |
676 | ||
677 | ||
678 | ptube[0] = 0.0; | |
679 | ptube[1] = 15.0; | |
680 | ptube[2] = 2.5; | |
14b75006 | 681 | gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 682 | gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY"); |
683 | // | |
684 | // Connecting tube -> | |
685 | ptube[0] = 0.0; | |
d013be8e | 686 | ptube[1] = 4.5; |
cd9c4f3a | 687 | ptube[2] = 14.6; |
7bd7faf8 | 688 | gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3); |
689 | ||
690 | ptube[0] = 0.0; | |
d013be8e | 691 | ptube[1] = 3.9; |
cd9c4f3a | 692 | ptube[2] = 14.6; |
14b75006 | 693 | gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 694 | gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY"); |
695 | // <- | |
696 | ||
697 | // | |
698 | // Flange -> | |
d013be8e | 699 | ptube[0] = 4.6; |
7bd7faf8 | 700 | ptube[1] = 7.30; |
701 | ptube[2] = 2.15; | |
702 | gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 703 | // <- |
cd9c4f3a | 704 | gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY"); |
705 | gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY"); | |
706 | gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY"); | |
707 | gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY"); | |
fe4da5cc | 708 | |
c03db787 | 709 | gGeoManager->SetVolumeAttribute("QBPM", "SEEN", 1); |
710 | gGeoManager->SetVolumeAttribute("QBEM", "SEEN", 1); | |
fe4da5cc | 711 | } |
712 | ||
cd9c4f3a | 713 | |
fe4da5cc | 714 | |
715 | //___________________________________________ | |
716 | void AliPIPEv0::CreateMaterials() | |
717 | { | |
7bd7faf8 | 718 | // |
13391c3e | 719 | // Define materials for beam pipe |
7bd7faf8 | 720 | // |
13391c3e | 721 | |
4951e003 | 722 | AliDebugClass(1,"Create PIPEv0 materials"); |
f7a1cc68 | 723 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
724 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
2196bc42 | 725 | // Steel (Inox) |
7bd7faf8 | 726 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
727 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
728 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
2196bc42 | 729 | // AlBe - alloy |
730 | Float_t aAlBe[2] = { 26.98, 9.01}; | |
731 | Float_t zAlBe[2] = { 13.00, 4.00}; | |
732 | Float_t wAlBe[2] = { 0.4, 0.6}; | |
ed9bfb0d | 733 | // |
734 | // Polyamid | |
735 | Float_t aPA[4] = {16., 14., 12., 1.}; | |
736 | Float_t zPA[4] = { 8., 7., 6., 1.}; | |
737 | Float_t wPA[4] = { 1., 1., 6., 11.}; | |
002b3738 | 738 | // |
739 | // Air | |
740 | // | |
741 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
742 | Float_t zAir[4]={6.,7.,8.,18.}; | |
743 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
744 | Float_t dAir = 1.20479E-3; | |
d013be8e | 745 | Float_t dAir1 = 1.20479E-10; |
a3bbe04e | 746 | // |
747 | // Kapton | |
748 | // | |
749 | Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994}; | |
750 | Float_t zKapton[4]={1.,6.,7.,8.}; | |
751 | Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235}; | |
752 | Float_t dKapton = 1.42; | |
7bd7faf8 | 753 | // |
754 | // Berillium | |
755 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); | |
756 | // | |
757 | // Carbon | |
758 | AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9); | |
759 | // | |
760 | // Aluminum | |
761 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
762 | // | |
763 | // Air | |
a3bbe04e | 764 | AliMixture(15, "AIR$", aAir, zAir, dAir, 4, wAir); |
765 | AliMixture(35, "AIR_HIGH$", aAir, zAir, dAir, 4, wAir); | |
7bd7faf8 | 766 | // |
767 | // Vacuum | |
d013be8e | 768 | AliMixture(16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir); |
7bd7faf8 | 769 | // |
770 | // stainless Steel | |
771 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
772 | // | |
773 | // reduced density steel to approximate pump getter material | |
774 | AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel); | |
2196bc42 | 775 | // Al-Be alloy |
776 | // | |
777 | AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); | |
ed9bfb0d | 778 | // Polyamid |
779 | // | |
780 | AliMixture(22, "PA$", aPA, zPA, 1.14, -4, wPA); | |
7bd7faf8 | 781 | // |
a3bbe04e | 782 | // Kapton |
783 | AliMixture(23, "KAPTON", aKapton, zKapton, dKapton, 4, wKapton); | |
784 | // | |
7bd7faf8 | 785 | // **************** |
786 | // Defines tracking media parameters. | |
787 | // | |
788 | Float_t epsil = .001; // Tracking precision, | |
789 | Float_t stemax = -0.01; // Maximum displacement for multiple scat | |
790 | Float_t tmaxfd = -20.; // Maximum angle due to field deflection | |
791 | Float_t deemax = -.3; // Maximum fractional energy loss, DLS | |
792 | Float_t stmin = -.8; | |
793 | // *************** | |
794 | // | |
795 | // Beryllium | |
796 | ||
797 | AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
798 | ||
799 | // Carbon | |
800 | AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
801 | // | |
802 | // Aluminum | |
803 | AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
804 | // | |
805 | // Air | |
a3bbe04e | 806 | AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
807 | AliMedium(35, "AIR_HIFG",35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
7bd7faf8 | 808 | // |
809 | // Vacuum | |
810 | AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
811 | // | |
812 | // Steel | |
813 | AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
814 | // | |
815 | // Getter | |
816 | AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 817 | // |
818 | // AlBe - Aloy | |
819 | AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
ed9bfb0d | 820 | // |
821 | // Polyamid | |
822 | AliMedium(22, "PA" , 22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
a3bbe04e | 823 | // |
824 | // KAPTON | |
825 | AliMedium(23, "KAPTON", 23, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 826 | |
fe4da5cc | 827 | } |
828 | ||
829 | ||
fe4da5cc | 830 | |
831 | ||
832 | ||
833 | ||
834 | ||
835 | ||
836 | ||
837 |