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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 | ||
16 | /* | |
17 | $Log$ | |
13a638e8 | 18 | Revision 1.20 2002/05/02 12:36:43 morsch |
19 | New version of beam-pipe geometry. Ref. AL502206PL | |
20 | (used in production readiness report). | |
21 | ||
614dff1c | 22 | Revision 1.19 2002/03/25 12:34:40 morsch |
23 | Obsolete support rollers removed. | |
24 | ||
4a7308f7 | 25 | Revision 1.18 2002/02/01 18:02:41 morsch |
26 | Material of beam pipe between inner Be piece and forward detectors | |
27 | can be set by SetPipeMaterial(mat), mat = kInox, kAlu, kBe ... | |
28 | ||
765e9e1a | 29 | Revision 1.17 2001/09/24 13:11:50 morsch |
30 | Ion pump and bellows moved out by 15 cm to make space for forward | |
31 | detectors. | |
32 | ||
22811e34 | 33 | Revision 1.16 2001/05/16 14:57:22 alibrary |
34 | New files for folders and Stack | |
35 | ||
9e1a0ddb | 36 | Revision 1.15 2001/05/02 11:50:18 morsch |
37 | New layout of the non-absorber side provided by Y. Viyogi. Not the final design | |
38 | but the prsent most realistic. | |
39 | ||
cd9c4f3a | 40 | Revision 1.14 2001/01/20 16:56:33 morsch |
41 | Put air in connecting tubes and flanges of vacuum pump. | |
42 | ||
14b75006 | 43 | Revision 1.13 2001/01/20 16:35:27 morsch |
44 | Increase mother volume for bellows. | |
45 | ||
1416b7f3 | 46 | Revision 1.12 2000/12/21 16:41:06 morsch |
47 | Coding convention clean-up (RS3) | |
48 | ||
13391c3e | 49 | Revision 1.11 2000/11/28 16:06:57 morsch |
50 | Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick. | |
51 | ||
2196bc42 | 52 | Revision 1.10 2000/11/24 13:00:37 morsch |
53 | - Geometry and materials imported from euclid output | |
54 | - include comments | |
55 | - better struturing of volume tree | |
56 | - improved version of flange close to front absorber | |
57 | - more realistic pump materials | |
58 | - undulated beam pipe imported from v3. | |
59 | ||
7bd7faf8 | 60 | Revision 1.9 2000/10/02 21:28:15 fca |
61 | Removal of useless dependecies via forward declarations | |
62 | ||
94de3818 | 63 | Revision 1.8 2000/06/11 12:37:01 morsch |
64 | Coding rule violations corrected | |
65 | ||
b43eb0dc | 66 | Revision 1.7 2000/02/23 16:25:24 fca |
67 | AliVMC and AliGeant3 classes introduced | |
68 | ReadEuclid moved from AliRun to AliModule | |
69 | ||
b13db077 | 70 | Revision 1.6 1999/09/29 09:24:30 fca |
71 | Introduction of the Copyright and cvs Log | |
72 | ||
4c039060 | 73 | */ |
74 | ||
fe4da5cc | 75 | //////////////////////////////////////////////// |
76 | // Beam pipe class / | |
77 | //////////////////////////////////////////////// | |
78 | ||
fe4da5cc | 79 | #include "AliPIPEv0.h" |
80 | #include "AliRun.h" | |
7bd7faf8 | 81 | #include "AliConst.h" |
82 | #include "AliMagF.h" | |
94de3818 | 83 | #include "AliMC.h" |
fe4da5cc | 84 | #include "TSystem.h" |
22811e34 | 85 | |
86 | #include <iostream.h> | |
fe4da5cc | 87 | |
88 | ClassImp(AliPIPEv0) | |
89 | ||
90 | //_____________________________________________________________________________ | |
b8032157 | 91 | AliPIPEv0::AliPIPEv0() |
fe4da5cc | 92 | { |
b43eb0dc | 93 | // Constructor |
765e9e1a | 94 | SetPipeMaterial(); |
fe4da5cc | 95 | } |
96 | ||
97 | //_____________________________________________________________________________ | |
98 | AliPIPEv0::AliPIPEv0(const char *name, const char *title) | |
99 | : AliPIPE(name,title) | |
100 | { | |
b43eb0dc | 101 | // Constructor |
765e9e1a | 102 | SetPipeMaterial(); |
fe4da5cc | 103 | } |
104 | ||
105 | ||
106 | //___________________________________________ | |
107 | void AliPIPEv0::CreateGeometry() | |
108 | { | |
fe4da5cc | 109 | //Begin_Html |
110 | /* | |
1439f98e | 111 | <img src="picts/pipe.gif"> |
fe4da5cc | 112 | */ |
113 | //End_Html | |
114 | ||
115 | ||
116 | //Begin_Html | |
117 | /* | |
1439f98e | 118 | <img src="picts/tree_pipe.gif"> |
fe4da5cc | 119 | */ |
120 | //End_Html | |
121 | ||
9e1a0ddb | 122 | if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName()); |
fe4da5cc | 123 | |
fe4da5cc | 124 | |
7bd7faf8 | 125 | Int_t *idtmed = fIdtmed->GetArray(); |
22811e34 | 126 | Float_t ppcon[84], ptube[3], pbox[3]; |
7bd7faf8 | 127 | Int_t i=0; |
128 | ||
7bd7faf8 | 129 | |
130 | Int_t idrotm[2099]; | |
131 | AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.); | |
132 | AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.); | |
133 | AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.); | |
134 | AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.); | |
135 | AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.); | |
136 | AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.); | |
137 | AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.); | |
138 | AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.); | |
139 | AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.); | |
140 | AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.); | |
141 | idrotm[2011] = 0; | |
142 | AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.); | |
143 | AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.); | |
614dff1c | 144 | // |
145 | // Bellow | |
146 | // | |
22811e34 | 147 | // distance between bellows |
614dff1c | 148 | const Float_t dzbb = 9.0; |
149 | // total size of bellow section | |
150 | const Float_t dzb = 15.0; | |
151 | // size of undulated region | |
152 | const Float_t dzub = 2.0; | |
153 | ||
154 | // half-lengths of various beam pipe sections | |
155 | // central Be-Pipe | |
156 | Float_t hlenQbbe1 = 40.; | |
157 | Float_t hlenQbbe2 = 36.5; | |
158 | Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.; | |
159 | // | |
160 | // | |
161 | // Float_t hlenQbt1 = 5.5/2.; | |
162 | // | |
163 | // Pipe outside central region (non-absober side) | |
164 | Float_t hlenQbab = 157.5; | |
165 | // | |
166 | // Flange non-absorber side | |
167 | Float_t hlenQb29 = 11.5/2.+1.75 + 5.0; | |
168 | // | |
169 | // Bellow element | |
170 | Float_t hlenQbe0 = dzb; | |
171 | // | |
172 | // Inox pipe between Be and Bellow (absorber side) | |
173 | Float_t hlenQb24[3] = {10.5/2., 1.8, 3.3}; | |
174 | // | |
175 | // | |
176 | Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.; | |
177 | // | |
178 | // Position of the pump | |
179 | Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+dzb; | |
180 | // | |
181 | // Inner beam pipe radius | |
182 | Float_t RinBe = 2.9; | |
183 | Float_t RinSt = 2.92; | |
184 | // | |
185 | // | |
186 | Float_t RoutBe = 2.98; | |
187 | Float_t RoutSt = 3.00; | |
22811e34 | 188 | |
614dff1c | 189 | |
190 | // | |
191 | Float_t dz; | |
7bd7faf8 | 192 | |
fe4da5cc | 193 | // |
194 | // The peam pipe up to the Front Absorber | |
fe4da5cc | 195 | // |
7bd7faf8 | 196 | // Mother Volume QBPM |
614dff1c | 197 | ppcon[0] = 0; |
198 | ppcon[1] = 360; | |
199 | ppcon[2] = 18; | |
7bd7faf8 | 200 | // 1: |
614dff1c | 201 | ppcon[3] = -90.; |
202 | ppcon[4] = 0.; | |
203 | ppcon[5] = 4.4; | |
7bd7faf8 | 204 | // 2 |
614dff1c | 205 | ppcon[6] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1]; |
206 | ppcon[7] = 0.; | |
207 | ppcon[8] = 4.4; | |
7bd7faf8 | 208 | // 3 |
614dff1c | 209 | ppcon[9] = ppcon[6]; |
210 | ppcon[10] = 0.; | |
211 | ppcon[11] = 4.1; | |
22811e34 | 212 | // 4 |
614dff1c | 213 | ppcon[12] = ppcon[9] + 2. + 2.*dzub+0.2; |
214 | ppcon[13] = 0.; | |
215 | ppcon[14] = 4.1; | |
22811e34 | 216 | // 5 |
614dff1c | 217 | ppcon[15] = ppcon[12]; |
218 | ppcon[16] = 0.; | |
219 | ppcon[17] = 3.2; | |
22811e34 | 220 | // 6 |
614dff1c | 221 | ppcon[18] = ppcon[15] + 2.* dzbb-0.4; |
222 | ppcon[19] = 0.; | |
223 | ppcon[20] = 3.2; | |
7bd7faf8 | 224 | // 7 |
614dff1c | 225 | ppcon[21] = ppcon[18]; |
226 | ppcon[22] = 0.; | |
227 | ppcon[23] = 4.1; | |
7bd7faf8 | 228 | // 8 |
614dff1c | 229 | ppcon[24] = -44.; |
230 | ppcon[25] = 0.; | |
231 | ppcon[26] = 4.1; | |
7bd7faf8 | 232 | // 9 |
614dff1c | 233 | ppcon[27] = -44.; |
7bd7faf8 | 234 | ppcon[28] = 0; |
614dff1c | 235 | ppcon[29] = 3.0; |
22811e34 | 236 | // 10 |
614dff1c | 237 | ppcon[30] = 38.; |
7bd7faf8 | 238 | ppcon[31] = 0; |
614dff1c | 239 | ppcon[32] = 3.0; |
22811e34 | 240 | // 11 |
614dff1c | 241 | ppcon[33] = 38.; |
7bd7faf8 | 242 | ppcon[34] = 0; |
614dff1c | 243 | ppcon[35] = 3.6; |
22811e34 | 244 | // 12 |
614dff1c | 245 | ppcon[36] = hlenQbbe1+2.*hlenQbab-0.1; |
246 | ppcon[37] = 0.; | |
247 | ppcon[38] = 3.6; | |
248 | // 13 | |
249 | ppcon[39] = ppcon[36]; | |
250 | ppcon[40] = 0.; | |
251 | ppcon[41] = 3.6; | |
22811e34 | 252 | // 14 |
614dff1c | 253 | ppcon[42] = ppcon[39]+2.*hlenQb29-5.; |
254 | ppcon[43] = 0.; | |
255 | ppcon[44] = 3.6; | |
256 | // 15 | |
257 | ppcon[45] = ppcon[42]; | |
258 | ppcon[46] = 0.; | |
259 | ppcon[47] = 56.; | |
22811e34 | 260 | // 16 |
614dff1c | 261 | ppcon[48] = ppcon[45]+2.*dzb+10.; |
262 | ppcon[49] = 0.; | |
263 | ppcon[50] = 56.; | |
22811e34 | 264 | // 17 |
614dff1c | 265 | ppcon[51] = ppcon[48]; |
22811e34 | 266 | ppcon[52] = 0.; |
614dff1c | 267 | ppcon[53] = 3.6; |
22811e34 | 268 | // 18 |
614dff1c | 269 | ppcon[54] = 800.; |
22811e34 | 270 | ppcon[55] = 0.; |
614dff1c | 271 | ppcon[56] = 3.6; |
7bd7faf8 | 272 | |
614dff1c | 273 | gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,57); |
274 | ||
275 | ||
7bd7faf8 | 276 | // |
cd9c4f3a | 277 | // volume definitions of various sections |
278 | // | |
cd9c4f3a | 279 | |
614dff1c | 280 | // |
281 | // The Vacuum | |
282 | gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0); | |
283 | ptube[0] = 0.0; | |
284 | ptube[1] = RinSt; | |
285 | ptube[2] = (90.-hlenQbbe2)/2.; | |
286 | dz = -90. + ptube[2]; | |
287 | gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
288 | dz = dz + ptube[2]; | |
289 | ||
290 | ptube[1] = RinBe; | |
291 | ptube[2] = hlenQbbe+hlenQbab; | |
292 | dz = dz + ptube[2]; | |
293 | gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
294 | dz = dz + ptube[2]; | |
295 | ||
296 | ptube[1] = RinSt; | |
297 | ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.; | |
298 | dz = dz + ptube[2]; | |
299 | gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
cd9c4f3a | 300 | |
614dff1c | 301 | // |
302 | // Be Pipe in central Alice | |
303 | ptube[0] = RinBe; | |
304 | ptube[1] = RoutBe; | |
cd9c4f3a | 305 | ptube[2] = hlenQbbe; |
7bd7faf8 | 306 | |
307 | gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3); | |
7bd7faf8 | 308 | |
309 | // | |
614dff1c | 310 | // Support Ring |
7bd7faf8 | 311 | // |
614dff1c | 312 | // Mother |
313 | ppcon[0] = 0; | |
314 | ppcon[1] = 360; | |
315 | ppcon[2] = 6; | |
316 | // 1: | |
317 | ppcon[3] = -1.; | |
318 | ppcon[4] = 3.0; | |
319 | ppcon[5] = 3.4; | |
320 | // 2 | |
321 | ppcon[6] = -0.8; | |
322 | ppcon[7] = 3.0; | |
323 | ppcon[8] = 3.4; | |
324 | // 3 | |
325 | ppcon[9] = -0.8; | |
326 | ppcon[10] = 3.0; | |
327 | ppcon[11] = 3.2; | |
328 | // 4 | |
329 | ppcon[12] = 0.8; | |
330 | ppcon[13] = 3.0; | |
331 | ppcon[14] = 3.2; | |
332 | // 5 | |
333 | ppcon[15] = 0.8; | |
334 | ppcon[16] = 3.0; | |
335 | ppcon[17] = 3.4; | |
336 | // 6 | |
337 | ppcon[18] = 1.0; | |
338 | ppcon[19] = 3.0; | |
339 | ppcon[20] = 3.4; | |
7bd7faf8 | 340 | |
7bd7faf8 | 341 | |
614dff1c | 342 | gMC->Gsvolu("QBSR", "PCON", idtmed[kC], ppcon,21); |
343 | gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY"); | |
344 | gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY"); | |
345 | gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY"); | |
346 | gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY"); | |
7bd7faf8 | 347 | // |
614dff1c | 348 | // Flange and Fixed Point: non absorber side |
7bd7faf8 | 349 | // |
614dff1c | 350 | // ----------> |
351 | // | |
352 | // Mother | |
353 | ppcon[0] = 0; | |
354 | ppcon[1] = 360; | |
355 | ppcon[2] = 4; | |
356 | // 1: | |
357 | ppcon[3] = -hlenQb29; | |
358 | ppcon[4] = RinSt; | |
359 | ppcon[5] = 5.8; | |
360 | // 2 | |
361 | ppcon[6] = ppcon[3]+3.6; | |
362 | ppcon[7] = RinSt; | |
363 | ppcon[8] = 5.8; | |
364 | // 3 | |
365 | ppcon[9] = ppcon[6]; | |
366 | ppcon[10] = RinSt; | |
367 | ppcon[11] = 3.6; | |
368 | // 4 | |
369 | ppcon[12] = hlenQb29; | |
370 | ppcon[13] = RinSt; | |
371 | ppcon[14] = 3.6; | |
7bd7faf8 | 372 | |
614dff1c | 373 | gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15); |
7bd7faf8 | 374 | |
7bd7faf8 | 375 | |
614dff1c | 376 | // Flange |
377 | ptube[0] = RinSt; | |
378 | ptube[1] = 5.7; | |
379 | ptube[2] = 1.75; | |
380 | gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3); | |
381 | gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY"); | |
382 | // Pipe | |
383 | ptube[0] = RinSt; | |
384 | ptube[1] = 3.0; | |
cd9c4f3a | 385 | ptube[2] = hlenQb29; |
614dff1c | 386 | gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3); |
387 | gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY"); | |
388 | // Fixed point | |
389 | ptube[0] = RinSt; | |
390 | ptube[1] = 3.5; | |
391 | ptube[2] = 0.3; | |
392 | gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3); | |
393 | gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY"); | |
22811e34 | 394 | |
614dff1c | 395 | // |
7bd7faf8 | 396 | // |
cd9c4f3a | 397 | // Inox beam pipe: final section on non-absorber side |
7bd7faf8 | 398 | |
614dff1c | 399 | ptube[0] = RinSt; |
400 | ptube[1] = RoutSt; | |
cd9c4f3a | 401 | ptube[2] = hlenQb28; |
7bd7faf8 | 402 | |
403 | gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 404 | |
2196bc42 | 405 | |
406 | // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe | |
407 | // | |
614dff1c | 408 | // This section is under study (A.M. 1/2/2002) |
765e9e1a | 409 | // |
410 | ||
614dff1c | 411 | ptube[0] = RinBe; |
765e9e1a | 412 | if (fPipeMaterial == kAlu) { |
413 | ptube[1] = 3.0; | |
414 | } else if (fPipeMaterial == kBe) { | |
614dff1c | 415 | ptube[1] = RoutBe; |
765e9e1a | 416 | } else if (fPipeMaterial == kInox){ |
614dff1c | 417 | ptube[1] = RoutSt; |
765e9e1a | 418 | } |
cd9c4f3a | 419 | ptube[2] = hlenQbab; |
2196bc42 | 420 | |
765e9e1a | 421 | gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3); |
2196bc42 | 422 | |
cd9c4f3a | 423 | // 2.5 mm thick SS tube for hanging pump |
614dff1c | 424 | /* |
425 | ptube[0] = Rin; | |
7bd7faf8 | 426 | ptube[1] = 3.15; |
cd9c4f3a | 427 | ptube[2] = hlenQb26; |
7bd7faf8 | 428 | |
cd9c4f3a | 429 | gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3); |
614dff1c | 430 | */ |
7bd7faf8 | 431 | // |
432 | // Bellows | |
fe4da5cc | 433 | // |
22811e34 | 434 | // |
7bd7faf8 | 435 | // Mother Volume |
614dff1c | 436 | Float_t pconQBE0[33]; |
437 | pconQBE0[ 0]= 0; | |
438 | pconQBE0[ 1]= 360; | |
439 | pconQBE0[ 2]= 10; | |
440 | // 1 | |
441 | pconQBE0[ 3]= -dzb; | |
442 | pconQBE0[ 4]= RinSt; | |
443 | pconQBE0[ 5]= RoutSt; | |
444 | // 2 | |
445 | pconQBE0[ 6]= -dzb+2.; | |
446 | pconQBE0[ 7]= RinSt; | |
447 | pconQBE0[ 8]= RoutSt; | |
448 | // 3 | |
449 | pconQBE0[ 9]= -dzb+2.; | |
450 | pconQBE0[10]= RinSt; | |
451 | pconQBE0[11]= 4.00; | |
452 | // 4 | |
453 | pconQBE0[12]= -dzb+2.+2.*dzub; | |
454 | pconQBE0[13]= RinSt; | |
455 | pconQBE0[14]= 4.00; | |
456 | // 5 | |
457 | pconQBE0[15]= -dzb+2.+2.*dzub; | |
458 | pconQBE0[16]= RinSt; | |
459 | pconQBE0[17]= RoutSt; | |
460 | // 6 | |
461 | pconQBE0[18]= -dzb+2.+2.*dzub+2.*dzbb; | |
462 | pconQBE0[19]= RinSt; | |
463 | pconQBE0[20]= RoutSt; | |
464 | // 7 | |
465 | pconQBE0[21]= -dzb+2.+2.*dzub+2.*dzbb; | |
466 | pconQBE0[22]= RinSt; | |
467 | pconQBE0[23]= 4.00; | |
468 | // 8 | |
469 | pconQBE0[24]= -dzb+2.+4.*dzub+2.*dzbb; | |
470 | pconQBE0[25]= RinSt; | |
471 | pconQBE0[26]= 4.00; | |
472 | // 9 | |
473 | pconQBE0[27]= -dzb+2.+4.*dzub+2.*dzbb; | |
474 | pconQBE0[28]= RinSt; | |
475 | pconQBE0[29]= RoutSt; | |
476 | // 10 | |
477 | pconQBE0[30]= +dzb; | |
478 | pconQBE0[31]= RinSt; | |
479 | pconQBE0[32]= RoutSt; | |
480 | gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33); | |
481 | // | |
482 | // Undulated piece mother | |
483 | ptube[0] = RinSt; | |
484 | ptube[1] = 4.00; | |
485 | ptube[2] = dzub; | |
7bd7faf8 | 486 | gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3); |
614dff1c | 487 | dz = -dzb+2.+dzub; |
488 | gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY"); | |
489 | gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY"); | |
490 | // | |
491 | Float_t pund[30]; | |
492 | Float_t uw = 0.02; | |
493 | Float_t ur = 2.*dzub-12.*uw; | |
494 | Float_t uz = ur/13.; | |
495 | Float_t ut = uz+uw; | |
496 | ||
497 | pund[ 0] = 0; | |
498 | pund[ 1] = 360; | |
13a638e8 | 499 | pund[ 2] = 8; |
614dff1c | 500 | |
501 | pund[ 3] = -ut; | |
502 | pund[ 4] = RinSt; | |
503 | pund[ 5] = RinSt+uw; | |
504 | ||
505 | pund[ 6] = -ut+uz; | |
506 | pund[ 7] = pund[4]; | |
507 | pund[ 8] = pund[5]; | |
508 | ||
509 | pund[ 9] = pund[6]; | |
510 | pund[10] = pund[4]; | |
511 | pund[11] = 4.0; | |
512 | ||
513 | pund[12] = pund[9]+uw; | |
514 | pund[13] = pund[10]; | |
515 | pund[14] = pund[11]; | |
516 | ||
517 | pund[15] = pund[12]; | |
518 | pund[16] = 4.0-uw; | |
519 | pund[17] = pund[14]; | |
520 | ||
521 | pund[18] = pund[12]+uz; | |
522 | pund[19] = pund[16]; | |
523 | pund[20] = pund[17]; | |
524 | ||
525 | pund[21] = pund[18]; | |
526 | pund[22] = RinSt; | |
527 | pund[23] = pund[20]; | |
528 | ||
529 | pund[24] = pund[21]+uw; | |
530 | pund[25] = pund[22]; | |
531 | pund[26] = pund[23]; | |
614dff1c | 532 | |
13a638e8 | 533 | gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27); |
614dff1c | 534 | |
535 | for (i = 0; i < 6; i++) | |
536 | { | |
537 | dz = -dzub+(1+2*i)*ut; | |
538 | gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY"); | |
7bd7faf8 | 539 | } |
614dff1c | 540 | ptube[0] = RinSt; |
541 | ptube[1] = RinSt+uw; | |
542 | ptube[2] = uz; | |
543 | gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3); | |
544 | gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, dzub-uz, 0 , "ONLY"); | |
7bd7faf8 | 545 | // |
614dff1c | 546 | // BeamPipe |
547 | gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0); | |
548 | ptube[0] = RinSt; | |
549 | ptube[1] = RoutSt; | |
550 | ptube[2] = 1.; | |
551 | gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -dzb+1., 0 , "ONLY", ptube, 3); | |
552 | gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, dzb-1., 0 , "ONLY", ptube, 3); | |
553 | ptube[2] = dzbb; | |
554 | gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3); | |
555 | // | |
556 | // End undulated part | |
557 | // | |
558 | // | |
559 | // ----> End Bellow | |
560 | // | |
561 | // **** Placement of various sections on non-absorber side **** | |
7bd7faf8 | 562 | // |
cd9c4f3a | 563 | // |
614dff1c | 564 | // first the beryllium section |
565 | Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2; | |
cd9c4f3a | 566 | gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); |
567 | ||
568 | // next meta-metal transition QBT1 on on-absorber side | |
614dff1c | 569 | // zpos = zpos + hlenQbbe + hlenQbt1; |
570 | // gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); | |
cd9c4f3a | 571 | |
572 | // Aluminium OR Al-be alloy section | |
614dff1c | 573 | zpos = hlenQbbe1+hlenQbab; |
cd9c4f3a | 574 | gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
614dff1c | 575 | // |
cd9c4f3a | 576 | // inox flange at the start of bellow |
cd9c4f3a | 577 | zpos = zpos + hlenQbab + hlenQb29; |
614dff1c | 578 | gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY"); |
579 | // | |
cd9c4f3a | 580 | // bellow section |
cd9c4f3a | 581 | zpos = zpos + hlenQb29 + hlenQbe0; |
614dff1c | 582 | gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
583 | // | |
cd9c4f3a | 584 | // inox flange at the end of bellow and start of thick inox for pump |
cd9c4f3a | 585 | zpos = zpos + hlenQbe0 + hlenQb29; |
614dff1c | 586 | gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
587 | // | |
cd9c4f3a | 588 | //last inox section till 800 cm |
cd9c4f3a | 589 | zpos = zpos + hlenQb29 + hlenQb28; |
590 | gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
614dff1c | 591 | |
cd9c4f3a | 592 | //******** end of placement on no-absorber side ********* |
593 | ||
594 | // | |
595 | // **** Absorber side ***** | |
596 | // | |
597 | // | |
614dff1c | 598 | /* |
cd9c4f3a | 599 | // metal-metal transition : Be-Alu on absorber side |
600 | // Mother Volume | |
601 | ptube[0] = 2.900; | |
602 | ptube[1] = 4.200; | |
603 | ptube[2] = 2.750; | |
604 | gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3); | |
605 | // z = 43.3 - 48.8 | |
606 | gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-ptube[2], idrotm[2012], "ONLY"); | |
607 | ||
608 | ptube[0] = 2.900; | |
609 | ptube[1] = 3.150; | |
610 | ptube[2] = 0.375; | |
611 | // | |
612 | // Be-part | |
613 | gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3); | |
614 | ||
615 | ptube[1] = 3.000; | |
616 | gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3); | |
617 | ||
618 | gMC->Gspos("QBA2", 1, "QB02", 0., 0., 0, 0, "ONLY"); | |
619 | // z = -2.75 -> -2.00 | |
620 | gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY"); | |
621 | ||
622 | // Alu part | |
623 | ptube[0] = 2.900; | |
624 | ptube[1] = 3.150; | |
625 | ptube[2] = 2.375; | |
626 | // z = -2.00 -> 2.75 | |
627 | gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3); | |
628 | gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY"); | |
629 | ||
630 | ||
631 | ptube[0] = 3.15; | |
632 | ptube[1] = 3.50; | |
633 | ptube[2] = 0.10; | |
634 | // z = 2.55 -> 2.75 | |
635 | gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3); | |
636 | gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY"); | |
637 | ||
638 | ||
639 | // Fixation | |
640 | ptube[0] = 0.0; | |
641 | ptube[1] = 0.1; | |
642 | ptube[2] = 0.5; | |
643 | ||
644 | gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3); | |
645 | gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY"); | |
646 | gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY"); | |
647 | gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY"); | |
648 | ||
649 | // Carbon ring | |
650 | ptube[0] = 3.15; | |
651 | ptube[1] = 4.10; | |
652 | ptube[2] = 0.55; | |
653 | ||
654 | gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3); | |
655 | ||
656 | ptube[0] = 3.15; | |
657 | ptube[1] = 3.50; | |
658 | ptube[2] = 0.10; | |
659 | gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3); | |
660 | gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY"); | |
661 | gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY"); | |
614dff1c | 662 | */ |
663 | // | |
664 | // Beam pipes between elements | |
665 | // | |
cd9c4f3a | 666 | |
614dff1c | 667 | gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0); |
668 | ptube[0] = RinSt; | |
669 | ptube[1] = RoutSt; | |
670 | ptube[2] = hlenQb24[0]; | |
671 | dz = hlenQbbe2 + ptube[2]; | |
672 | gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); | |
673 | // | |
674 | // Bellow on absorber side | |
675 | dz = dz+hlenQb24[0] + dzb; | |
676 | gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
677 | // | |
678 | ptube[2] = hlenQb24[1]; | |
679 | dz = dz + dzb + ptube[2]; | |
680 | gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); | |
681 | dz = dz + ptube[2]; | |
7bd7faf8 | 682 | |
7bd7faf8 | 683 | // |
7bd7faf8 | 684 | // Flange |
685 | // | |
686 | // Mother Volume | |
614dff1c | 687 | ptube[0] = RinSt; |
7bd7faf8 | 688 | ptube[1] = 4.300; |
614dff1c | 689 | ptube[2] = 1.4; |
7bd7faf8 | 690 | |
614dff1c | 691 | gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3); |
692 | dz = dz + ptube[2]; | |
693 | gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
694 | dz = dz + ptube[2]; | |
7bd7faf8 | 695 | // |
614dff1c | 696 | // |
697 | ptube[0] = RinSt; | |
698 | ptube[1] = RoutSt; | |
699 | ptube[2] = hlenQb24[2]; | |
700 | dz = dz + ptube[2]; | |
701 | gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); | |
cd9c4f3a | 702 | |
703 | ||
fe4da5cc | 704 | // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC) |
cd9c4f3a | 705 | // by rotating it to 180 deg. and make it invisible |
fe4da5cc | 706 | // |
7bd7faf8 | 707 | gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY"); |
708 | ||
cd9c4f3a | 709 | |
7bd7faf8 | 710 | // |
cd9c4f3a | 711 | // ******** Ion Pump volume description starts here ****** |
7bd7faf8 | 712 | // |
7bd7faf8 | 713 | // |
714 | // Getters -> | |
715 | pbox[0] = 6.50; | |
716 | pbox[1] = 6.75; | |
717 | pbox[2] = 15.60; | |
718 | gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3); | |
719 | ||
720 | pbox[0] = 5.90; | |
721 | pbox[1] = 6.15; | |
722 | pbox[2] = 15.00; | |
723 | gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3); | |
724 | gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY"); | |
725 | // <- | |
726 | ||
727 | ptube[0] = 0.0; | |
728 | ptube[1] = 19.0; | |
729 | ptube[2] = 2.5; | |
730 | gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3); | |
731 | ||
732 | ||
733 | ptube[0] = 0.0; | |
734 | ptube[1] = 15.0; | |
735 | ptube[2] = 2.5; | |
14b75006 | 736 | gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 737 | gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY"); |
738 | // | |
739 | // Connecting tube -> | |
740 | ptube[0] = 0.0; | |
741 | ptube[1] = 5.4; | |
cd9c4f3a | 742 | ptube[2] = 14.6; |
7bd7faf8 | 743 | gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3); |
744 | ||
745 | ptube[0] = 0.0; | |
746 | ptube[1] = 4.8; | |
cd9c4f3a | 747 | ptube[2] = 14.6; |
14b75006 | 748 | gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 749 | gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY"); |
750 | // <- | |
751 | ||
752 | // | |
753 | // Flange -> | |
cd9c4f3a | 754 | ptube[0] = 5.41; |
7bd7faf8 | 755 | ptube[1] = 7.30; |
756 | ptube[2] = 2.15; | |
757 | gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 758 | // <- |
cd9c4f3a | 759 | gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY"); |
760 | gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY"); | |
761 | gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY"); | |
762 | gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY"); | |
fe4da5cc | 763 | |
22811e34 | 764 | gMC->Gsatt("QBPM", "SEEN", 1); |
765 | gMC->Gsatt("QBEM", "SEEN", 1); | |
fe4da5cc | 766 | } |
767 | ||
cd9c4f3a | 768 | |
fe4da5cc | 769 | |
770 | //___________________________________________ | |
771 | void AliPIPEv0::CreateMaterials() | |
772 | { | |
7bd7faf8 | 773 | // |
13391c3e | 774 | // Define materials for beam pipe |
7bd7faf8 | 775 | // |
13391c3e | 776 | |
9e1a0ddb | 777 | if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName()); |
7bd7faf8 | 778 | Int_t isxfld = gAlice->Field()->Integ(); |
779 | Float_t sxmgmx = gAlice->Field()->Max(); | |
2196bc42 | 780 | // Steel (Inox) |
7bd7faf8 | 781 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
782 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
783 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
2196bc42 | 784 | // AlBe - alloy |
785 | Float_t aAlBe[2] = { 26.98, 9.01}; | |
786 | Float_t zAlBe[2] = { 13.00, 4.00}; | |
787 | Float_t wAlBe[2] = { 0.4, 0.6}; | |
788 | ||
7bd7faf8 | 789 | // |
790 | // Berillium | |
791 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); | |
792 | // | |
793 | // Carbon | |
794 | AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9); | |
795 | // | |
796 | // Aluminum | |
797 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
798 | // | |
799 | // Air | |
800 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
801 | // | |
802 | // Vacuum | |
803 | AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
804 | // | |
805 | // stainless Steel | |
806 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
807 | // | |
808 | // reduced density steel to approximate pump getter material | |
809 | AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel); | |
2196bc42 | 810 | // Al-Be alloy |
811 | // | |
812 | AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); | |
7bd7faf8 | 813 | // |
814 | // **************** | |
815 | // Defines tracking media parameters. | |
816 | // | |
817 | Float_t epsil = .001; // Tracking precision, | |
818 | Float_t stemax = -0.01; // Maximum displacement for multiple scat | |
819 | Float_t tmaxfd = -20.; // Maximum angle due to field deflection | |
820 | Float_t deemax = -.3; // Maximum fractional energy loss, DLS | |
821 | Float_t stmin = -.8; | |
822 | // *************** | |
823 | // | |
824 | // Beryllium | |
825 | ||
826 | AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
827 | ||
828 | // Carbon | |
829 | AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
830 | // | |
831 | // Aluminum | |
832 | AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
833 | // | |
834 | // Air | |
835 | AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
836 | // | |
837 | // Vacuum | |
838 | AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
839 | // | |
840 | // Steel | |
841 | AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
842 | // | |
843 | // Getter | |
844 | AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 845 | // |
846 | // AlBe - Aloy | |
847 | AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
848 | ||
fe4da5cc | 849 | } |
850 | ||
851 | ||
fe4da5cc | 852 | |
853 | ||
854 | ||
855 | ||
856 | ||
857 | ||
858 | ||
859 |