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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 | $Log$ | |
9e1a0ddb | 18 | Revision 1.15 2001/05/02 11:50:18 morsch |
19 | New layout of the non-absorber side provided by Y. Viyogi. Not the final design | |
20 | but the prsent most realistic. | |
21 | ||
cd9c4f3a | 22 | Revision 1.14 2001/01/20 16:56:33 morsch |
23 | Put air in connecting tubes and flanges of vacuum pump. | |
24 | ||
14b75006 | 25 | Revision 1.13 2001/01/20 16:35:27 morsch |
26 | Increase mother volume for bellows. | |
27 | ||
1416b7f3 | 28 | Revision 1.12 2000/12/21 16:41:06 morsch |
29 | Coding convention clean-up (RS3) | |
30 | ||
13391c3e | 31 | Revision 1.11 2000/11/28 16:06:57 morsch |
32 | Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick. | |
33 | ||
2196bc42 | 34 | Revision 1.10 2000/11/24 13:00:37 morsch |
35 | - Geometry and materials imported from euclid output | |
36 | - include comments | |
37 | - better struturing of volume tree | |
38 | - improved version of flange close to front absorber | |
39 | - more realistic pump materials | |
40 | - undulated beam pipe imported from v3. | |
41 | ||
7bd7faf8 | 42 | Revision 1.9 2000/10/02 21:28:15 fca |
43 | Removal of useless dependecies via forward declarations | |
44 | ||
94de3818 | 45 | Revision 1.8 2000/06/11 12:37:01 morsch |
46 | Coding rule violations corrected | |
47 | ||
b43eb0dc | 48 | Revision 1.7 2000/02/23 16:25:24 fca |
49 | AliVMC and AliGeant3 classes introduced | |
50 | ReadEuclid moved from AliRun to AliModule | |
51 | ||
b13db077 | 52 | Revision 1.6 1999/09/29 09:24:30 fca |
53 | Introduction of the Copyright and cvs Log | |
54 | ||
4c039060 | 55 | */ |
56 | ||
fe4da5cc | 57 | //////////////////////////////////////////////// |
58 | // Beam pipe class / | |
59 | //////////////////////////////////////////////// | |
60 | ||
fe4da5cc | 61 | #include "AliPIPEv0.h" |
62 | #include "AliRun.h" | |
7bd7faf8 | 63 | #include "AliConst.h" |
64 | #include "AliMagF.h" | |
94de3818 | 65 | #include "AliMC.h" |
fe4da5cc | 66 | #include "TSystem.h" |
67 | ||
68 | ClassImp(AliPIPEv0) | |
69 | ||
70 | //_____________________________________________________________________________ | |
b8032157 | 71 | AliPIPEv0::AliPIPEv0() |
fe4da5cc | 72 | { |
b43eb0dc | 73 | // Constructor |
fe4da5cc | 74 | } |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | AliPIPEv0::AliPIPEv0(const char *name, const char *title) | |
78 | : AliPIPE(name,title) | |
79 | { | |
b43eb0dc | 80 | // Constructor |
fe4da5cc | 81 | } |
82 | ||
83 | ||
84 | //___________________________________________ | |
85 | void AliPIPEv0::CreateGeometry() | |
86 | { | |
fe4da5cc | 87 | //Begin_Html |
88 | /* | |
1439f98e | 89 | <img src="picts/pipe.gif"> |
fe4da5cc | 90 | */ |
91 | //End_Html | |
92 | ||
93 | ||
94 | //Begin_Html | |
95 | /* | |
1439f98e | 96 | <img src="picts/tree_pipe.gif"> |
fe4da5cc | 97 | */ |
98 | //End_Html | |
99 | ||
9e1a0ddb | 100 | if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName()); |
fe4da5cc | 101 | |
fe4da5cc | 102 | |
7bd7faf8 | 103 | Int_t *idtmed = fIdtmed->GetArray(); |
cd9c4f3a | 104 | Float_t ppcon[48], ptube[3], pbox[3]; |
7bd7faf8 | 105 | Int_t i=0; |
106 | ||
2196bc42 | 107 | enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21}; |
7bd7faf8 | 108 | |
109 | Int_t idrotm[2099]; | |
110 | AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.); | |
111 | AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.); | |
112 | AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.); | |
113 | AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.); | |
114 | AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.); | |
115 | AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.); | |
116 | AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.); | |
117 | AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.); | |
118 | AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.); | |
119 | AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.); | |
120 | idrotm[2011] = 0; | |
121 | AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.); | |
122 | AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.); | |
123 | ||
7bd7faf8 | 124 | |
fe4da5cc | 125 | // |
126 | // The peam pipe up to the Front Absorber | |
fe4da5cc | 127 | // |
7bd7faf8 | 128 | // Mother Volume QBPM |
cd9c4f3a | 129 | const Float_t dbe1 = 15.; |
130 | const Float_t dbe2 = 15.; | |
7bd7faf8 | 131 | ppcon[0] = 0; |
132 | ppcon[1] = 360; | |
cd9c4f3a | 133 | ppcon[2] = 15; |
7bd7faf8 | 134 | // 1: |
135 | ppcon[3] = - 90; | |
136 | ppcon[4] = 0; | |
137 | ppcon[5] = 5.8; | |
138 | // 2 | |
139 | ppcon[6] = - 81.0; | |
140 | ppcon[7] = 0.; | |
141 | ppcon[8] = 5.8; | |
142 | // 3 | |
143 | ppcon[9] = - 81.; | |
144 | ppcon[10] = 0.; | |
145 | ppcon[11] = 4.22; | |
146 | // 4 | |
cd9c4f3a | 147 | ppcon[12] = - 28.00-dbe2; |
7bd7faf8 | 148 | ppcon[13] = 0; |
149 | ppcon[14] = 4.22; | |
150 | // 5 | |
cd9c4f3a | 151 | ppcon[15] = - 28.00-dbe2; |
7bd7faf8 | 152 | ppcon[16] = 0; |
153 | ppcon[17] = 3.2; | |
154 | // 6 | |
155 | ppcon[18] = 0; | |
156 | ppcon[19] = 0; | |
157 | ppcon[20] = 3.2; | |
158 | // 7 | |
cd9c4f3a | 159 | ppcon[21] = 28.+dbe1; |
7bd7faf8 | 160 | ppcon[22] = 0; |
161 | ppcon[23] = 3.2; | |
162 | // 8 | |
cd9c4f3a | 163 | ppcon[24] = 28.+dbe1; |
7bd7faf8 | 164 | ppcon[25] = 0; |
165 | ppcon[26] = 4.22; | |
166 | // 9 | |
167 | ppcon[27] = 250; | |
168 | ppcon[28] = 0; | |
169 | ppcon[29] = 4.22; | |
170 | // 10 | |
171 | ppcon[30] = 250; | |
172 | ppcon[31] = 0; | |
173 | ppcon[32] = 5; | |
174 | // 11 | |
cd9c4f3a | 175 | ppcon[33] = 365; |
7bd7faf8 | 176 | ppcon[34] = 0; |
177 | ppcon[35] = 5; | |
cd9c4f3a | 178 | // 12 |
179 | ppcon[36] = 365; | |
180 | ppcon[37] = 0; | |
181 | ppcon[38] = 56; | |
182 | // 13 | |
183 | ppcon[39] = 405; | |
184 | ppcon[40] = 0; | |
185 | ppcon[41] = 56; | |
186 | // 14 | |
187 | ppcon[42] = 405; | |
188 | ppcon[43] = 0; | |
189 | ppcon[44] = 5; | |
190 | // 15 | |
191 | ppcon[45] = 800; | |
192 | ppcon[46] = 0; | |
193 | ppcon[47] = 5; | |
194 | ||
195 | gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 48); | |
7bd7faf8 | 196 | |
197 | // | |
198 | // The Vacuum | |
199 | ptube[0] = 0.0; | |
200 | ptube[1] = 2.9; | |
201 | ptube[2] = 445.0; | |
202 | ||
203 | gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3); | |
cd9c4f3a | 204 | gMC->Gspos ("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY"); |
7bd7faf8 | 205 | // |
cd9c4f3a | 206 | // volume definitions of various sections |
207 | // | |
208 | // distance between bellows | |
209 | const Float_t dzbb = 8.0; | |
210 | // size of bellow | |
211 | const Float_t dzb = 11.4; | |
212 | ||
213 | //half-lengths of various beam pipe sections | |
214 | Float_t hlenQbbe=43.3; | |
215 | Float_t hlenQbt1=5.5/2.; | |
216 | Float_t hlenQbab=286.6/2.; | |
217 | Float_t hlenQb10=286.6/2.; | |
218 | Float_t hlenQb29=4.4/2.; | |
219 | Float_t hlenQbe0=(2.* dzb + dzbb)/2.; | |
220 | Float_t hlenQb26=20./2.; | |
221 | Float_t hlenQb28=400.6/2.; | |
222 | ||
223 | // Be Pipe in central Alice : length 43.3 * 2 | |
7bd7faf8 | 224 | ptube[0] = 2.90; |
225 | ptube[1] = 3.00; | |
cd9c4f3a | 226 | ptube[2] = hlenQbbe; |
7bd7faf8 | 227 | |
228 | gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3); | |
7bd7faf8 | 229 | |
230 | // | |
cd9c4f3a | 231 | // Metal-Metal Transitions : non-absorber side |
7bd7faf8 | 232 | // |
cd9c4f3a | 233 | // Be-Al (or Be to Be-Al alloy) |
7bd7faf8 | 234 | // Mother Volume |
235 | ptube[0] = 2.900; | |
236 | ptube[1] = 4.200; | |
cd9c4f3a | 237 | ptube[2] = hlenQbt1; |
7bd7faf8 | 238 | gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 239 | |
240 | ptube[0] = 2.900; | |
241 | ptube[1] = 3.150; | |
242 | ptube[2] = 0.375; | |
243 | // | |
244 | // Be-part | |
cd9c4f3a | 245 | gMC->Gsvolu("QB01","TUBE", idtmed[kAlu], ptube, 3); |
7bd7faf8 | 246 | |
247 | ptube[1] = 3.000; | |
248 | gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3); | |
249 | ||
250 | gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY"); | |
251 | gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY"); | |
252 | ||
cd9c4f3a | 253 | // Al-part |
7bd7faf8 | 254 | // |
255 | ptube[0] = 2.900; | |
256 | ptube[1] = 3.150; | |
257 | ptube[2] = 2.375; | |
258 | ||
cd9c4f3a | 259 | gMC->Gsvolu("QB03","TUBE", idtmed[kAlu], ptube, 3); |
7bd7faf8 | 260 | gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY"); |
261 | ||
262 | ||
263 | ptube[0] = 3.15; | |
264 | ptube[1] = 3.50; | |
265 | ptube[2] = 0.10; | |
266 | ||
cd9c4f3a | 267 | gMC->Gsvolu("QB05","TUBE", idtmed[kAlu], ptube, 3); |
7bd7faf8 | 268 | gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY"); |
269 | ||
270 | ||
271 | // Fixations | |
272 | ptube[0] = 0.0; | |
273 | ptube[1] = 0.1; | |
274 | ptube[2] = 0.5; | |
275 | ||
276 | gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3); | |
277 | gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY"); | |
278 | gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY"); | |
279 | gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY"); | |
280 | ||
281 | // Carbon ring | |
282 | ptube[0] = 3.15; | |
283 | ptube[1] = 4.10; | |
284 | ptube[2] = 0.55; | |
285 | ||
286 | gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3); | |
287 | ||
288 | ptube[0] = 3.15; | |
289 | ptube[1] = 3.50; | |
290 | ptube[2] = 0.10; | |
291 | gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3); | |
292 | gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY"); | |
293 | gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY"); | |
294 | ||
7bd7faf8 | 295 | |
296 | // | |
297 | // 1st section Alu non-absorber side | |
298 | ptube[0] = 2.9; | |
299 | ptube[1] = 3.0; | |
cd9c4f3a | 300 | ptube[2] = hlenQb10; |
7bd7faf8 | 301 | |
302 | gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3); | |
7bd7faf8 | 303 | // |
304 | // Support rollers: non absorber side | |
305 | // | |
306 | // Mother volume | |
307 | ptube[0] = 3.2; | |
308 | ptube[1] = 4.8; | |
309 | ptube[2] = 3.0; | |
310 | gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3); | |
7bd7faf8 | 311 | |
312 | ptube[0] = 0.0; | |
313 | ptube[1] = 0.7; | |
314 | ptube[2] = 3.0; | |
315 | ||
316 | gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3); | |
317 | ||
318 | for (i=0; i<8; i++) { | |
319 | Float_t phi = 45.+i*45.*kDegrad; | |
320 | Float_t xpos = 4.*TMath::Sin(phi); | |
321 | Float_t ypos = 4.*TMath::Cos(phi); | |
322 | gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY"); | |
323 | } | |
324 | ||
325 | // | |
326 | // Flanges: non absorber side | |
327 | ptube[0] = 3.0; | |
328 | ptube[1] = 4.9; | |
cd9c4f3a | 329 | ptube[2] = hlenQb29; |
7bd7faf8 | 330 | |
331 | gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3); | |
cd9c4f3a | 332 | |
7bd7faf8 | 333 | // |
cd9c4f3a | 334 | // Inox beam pipe: final section on non-absorber side |
7bd7faf8 | 335 | |
336 | ptube[0] = 2.90; | |
337 | ptube[1] = 2.98; | |
cd9c4f3a | 338 | ptube[2] = hlenQb28; |
7bd7faf8 | 339 | |
340 | gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 341 | |
342 | // | |
343 | // Undulated beam pipe | |
344 | // | |
2196bc42 | 345 | /* |
7bd7faf8 | 346 | Float_t pitch=0.25; |
347 | Float_t thick=0.015; | |
348 | Float_t zundul=171; | |
349 | Float_t rundul=3.0; | |
350 | char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"}; | |
351 | ||
352 | Undulation("QUND",pitch,thick,zundul,rundul,cn48); | |
353 | gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY"); | |
2196bc42 | 354 | */ |
355 | ||
356 | // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe | |
357 | // | |
358 | ptube[0] = 2.90; | |
359 | ptube[1] = 3.05; | |
cd9c4f3a | 360 | ptube[2] = hlenQbab; |
2196bc42 | 361 | |
362 | gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3); | |
2196bc42 | 363 | |
7bd7faf8 | 364 | |
365 | // | |
cd9c4f3a | 366 | // last piece : inox pipe from pump till end |
7bd7faf8 | 367 | // |
cd9c4f3a | 368 | //ptube[0] = 2.90; |
369 | //ptube[1] = 2.98; | |
370 | //ptube[2] = 61.55; | |
7bd7faf8 | 371 | |
cd9c4f3a | 372 | //gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3); |
7bd7faf8 | 373 | |
cd9c4f3a | 374 | /* |
7bd7faf8 | 375 | ptube[0] = 2.90; |
376 | ptube[1] = 2.98; | |
377 | ptube[2] = 1.0; | |
378 | ||
379 | gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3); | |
380 | gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY"); | |
cd9c4f3a | 381 | */ |
7bd7faf8 | 382 | // |
cd9c4f3a | 383 | // Aluminium collar for support rollers |
7bd7faf8 | 384 | |
cd9c4f3a | 385 | gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 0); |
7bd7faf8 | 386 | |
cd9c4f3a | 387 | |
388 | // 2.5 mm thick SS tube for hanging pump | |
389 | ptube[0] = 2.90; | |
7bd7faf8 | 390 | ptube[1] = 3.15; |
cd9c4f3a | 391 | ptube[2] = hlenQb26; |
7bd7faf8 | 392 | |
cd9c4f3a | 393 | gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3); |
7bd7faf8 | 394 | |
395 | // | |
396 | // Bellows | |
fe4da5cc | 397 | // |
7bd7faf8 | 398 | // Mother Volume |
399 | ptube[0] = 2.90; | |
400 | ptube[1] = 3.75; | |
cd9c4f3a | 401 | ptube[2] = (2.*dzb+dzbb)/2.; |
7bd7faf8 | 402 | gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 403 | |
cd9c4f3a | 404 | ptube[2] = dzb/2.; |
7bd7faf8 | 405 | |
406 | gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3); | |
cd9c4f3a | 407 | Float_t dz = (dzb+dzbb)/2.; |
408 | gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, -dz, 0 , "ONLY"); | |
409 | gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, dz, idrotm[2012], "ONLY"); | |
7bd7faf8 | 410 | |
411 | ptube[0] = 2.90; | |
412 | ptube[1] = 3.25; | |
413 | ptube[2] = 3.70; | |
414 | ||
415 | gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3); | |
416 | gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY"); | |
417 | ||
418 | ptube[0] = 3.25; | |
419 | ptube[1] = 3.74; | |
420 | ptube[2] = 0.095; | |
421 | ||
422 | gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3); | |
423 | for (i=0; i<15; i++) { | |
424 | gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY"); | |
425 | } | |
426 | ||
427 | ptube[0] = 2.90; | |
428 | ptube[1] = 3.00; | |
429 | ptube[2] = 1.20; | |
430 | ||
431 | gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3); | |
432 | gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY"); | |
433 | ||
434 | ptube[0] = 3.250; | |
435 | ptube[1] = 3.750; | |
436 | ptube[2] = 0.005; | |
437 | ||
438 | gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3); | |
439 | for (i=0; i<30; i++) { | |
440 | gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY"); | |
441 | } | |
442 | ||
443 | ptube[0] = 3.740; | |
444 | ptube[1] = 3.750; | |
445 | ptube[2] = 0.095; | |
446 | ||
447 | gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3); | |
448 | for (i=0; i<15; i++) { | |
449 | gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY"); | |
450 | } | |
451 | ||
452 | ptube[0] = 3.250; | |
453 | ptube[1] = 3.260; | |
454 | ptube[2] = 0.095; | |
455 | ||
456 | gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3); | |
457 | for (i=0; i<14; i++) { | |
458 | gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY"); | |
459 | } | |
460 | ||
461 | ptube[0] = 3.250; | |
462 | ptube[1] = 3.260; | |
463 | ptube[2] = 0.3975; | |
464 | ||
465 | gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3); | |
466 | gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY"); | |
467 | gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY"); | |
468 | ||
469 | ptube[0] = 2.900; | |
470 | ptube[1] = 3.260; | |
471 | ptube[2] = 0.050; | |
472 | ||
473 | gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3); | |
474 | gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY"); | |
475 | gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY"); | |
476 | ||
477 | ptube[0] = 2.900; | |
478 | ptube[1] = 3.000; | |
479 | ptube[2] = 0.700; | |
480 | ||
481 | gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3); | |
482 | gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY"); | |
483 | ||
484 | ||
485 | // | |
486 | // pipe between Bellows | |
487 | ptube[0] = 2.9; | |
488 | ptube[1] = 3.0; | |
cd9c4f3a | 489 | ptube[2] = dzbb/2.; |
7bd7faf8 | 490 | gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3); |
491 | gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY"); | |
492 | ||
493 | // | |
494 | // End Bellow | |
cd9c4f3a | 495 | |
496 | // **** placement of various sections on non-absorber side **** | |
497 | // | |
498 | // first the beryllium section : 43.3 cm long on both sides of IP | |
499 | // zstart=0, zend=43.3, length=43.3 on one side | |
500 | Float_t zpos=0; | |
501 | gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); | |
502 | ||
503 | // next meta-metal transition QBT1 on on-absorber side | |
504 | // zstart=43.3, zend=48.8, length=5.5 | |
505 | zpos = zpos + hlenQbbe + hlenQbt1; | |
506 | gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); | |
507 | ||
508 | // Aluminium OR Al-be alloy section | |
509 | //zpos=zpos + hlenQbt1 + hlenQb10; | |
510 | //gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
511 | // zstart= 48.8, zend=335.4, length=286.6 | |
512 | zpos = zpos + hlenQbt1 + hlenQbab; | |
513 | gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
514 | ||
515 | // inox flange at the start of bellow | |
516 | // zstart=335.4, zend=339.8, length=4.4 | |
517 | zpos = zpos + hlenQbab + hlenQb29; | |
518 | gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
519 | ||
520 | // bellow section | |
521 | // zstart=339.8, zend=370.6, length=30.9 | |
522 | zpos = zpos + hlenQb29 + hlenQbe0; | |
523 | gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
524 | ||
525 | // inox flange at the end of bellow and start of thick inox for pump | |
526 | // zstart=370.6, zend=375.0, length=4.4 | |
527 | zpos = zpos + hlenQbe0 + hlenQb29; | |
528 | gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
529 | ||
530 | // 2.5mm thick inox section to hang the pump | |
531 | // zstart=375.0, zend=395.0, length=20.0 | |
532 | zpos = zpos + hlenQb29 + hlenQb26; | |
533 | gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
534 | ||
535 | //inox flange at the end of pump section to join to next pipe | |
536 | // zstart=395.0, zend=399.4, length=4.4 | |
537 | zpos = zpos + hlenQb26 + hlenQb29; | |
538 | gMC->Gspos("QB29", 3, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
539 | ||
540 | //last inox section till 800 cm | |
541 | // zstart=399.4, zend=800., length=400.6 | |
542 | zpos = zpos + hlenQb29 + hlenQb28; | |
543 | gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
544 | ||
545 | ||
546 | // aluminium collars and support rollers at two places | |
547 | ||
548 | ptube[0] = 3.0; | |
549 | ptube[1] = 3.15; | |
550 | ptube[2] = 2.75; | |
551 | ||
552 | gMC->Gsposp("QB25", 1, "QBPM", 0., 0., 654.8, 0, "ONLY", ptube, 3); | |
553 | gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY"); | |
554 | ||
555 | ptube[0] = 3.05; | |
556 | ptube[1] = 3.20; | |
557 | gMC->Gsposp("QB25", 2, "QBPM", 0., 0., 254.8, 0, "ONLY", ptube, 3); | |
558 | gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY"); | |
559 | ||
560 | ||
561 | ||
562 | //******** end of placement on no-absorber side ********* | |
563 | ||
564 | // | |
565 | // **** Absorber side ***** | |
566 | // | |
567 | // | |
568 | // metal-metal transition : Be-Alu on absorber side | |
569 | // Mother Volume | |
570 | ptube[0] = 2.900; | |
571 | ptube[1] = 4.200; | |
572 | ptube[2] = 2.750; | |
573 | gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3); | |
574 | // z = 43.3 - 48.8 | |
575 | gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-ptube[2], idrotm[2012], "ONLY"); | |
576 | ||
577 | ptube[0] = 2.900; | |
578 | ptube[1] = 3.150; | |
579 | ptube[2] = 0.375; | |
580 | // | |
581 | // Be-part | |
582 | gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3); | |
583 | ||
584 | ptube[1] = 3.000; | |
585 | gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3); | |
586 | ||
587 | gMC->Gspos("QBA2", 1, "QB02", 0., 0., 0, 0, "ONLY"); | |
588 | // z = -2.75 -> -2.00 | |
589 | gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY"); | |
590 | ||
591 | // Alu part | |
592 | ptube[0] = 2.900; | |
593 | ptube[1] = 3.150; | |
594 | ptube[2] = 2.375; | |
595 | // z = -2.00 -> 2.75 | |
596 | gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3); | |
597 | gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY"); | |
598 | ||
599 | ||
600 | ptube[0] = 3.15; | |
601 | ptube[1] = 3.50; | |
602 | ptube[2] = 0.10; | |
603 | // z = 2.55 -> 2.75 | |
604 | gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3); | |
605 | gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY"); | |
606 | ||
607 | ||
608 | // Fixation | |
609 | ptube[0] = 0.0; | |
610 | ptube[1] = 0.1; | |
611 | ptube[2] = 0.5; | |
612 | ||
613 | gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3); | |
614 | gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY"); | |
615 | gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY"); | |
616 | gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY"); | |
617 | ||
618 | // Carbon ring | |
619 | ptube[0] = 3.15; | |
620 | ptube[1] = 4.10; | |
621 | ptube[2] = 0.55; | |
622 | ||
623 | gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3); | |
624 | ||
625 | ptube[0] = 3.15; | |
626 | ptube[1] = 3.50; | |
627 | ptube[2] = 0.10; | |
628 | gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3); | |
629 | gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY"); | |
630 | gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY"); | |
631 | ||
632 | ||
7bd7faf8 | 633 | // beam pipe between metal-metal transition and bellows |
634 | ptube[0] = 2.9; | |
635 | ptube[1] = 3.0; | |
cd9c4f3a | 636 | ptube[2] = (81.7-(2.*dzb+dzbb)-(hlenQbbe+5.5))/2.; |
7bd7faf8 | 637 | |
cd9c4f3a | 638 | |
7bd7faf8 | 639 | gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3); |
cd9c4f3a | 640 | // z = 48.8 - 50.9 |
641 | dz = (hlenQbbe+5.5)+ptube[2]; | |
642 | gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
7bd7faf8 | 643 | // |
644 | // beam pipe between flange and bellows | |
645 | ptube[0] = 2.90; | |
646 | ptube[1] = 3.00; | |
647 | ptube[2] = 0.45; | |
648 | ||
649 | gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3); | |
650 | gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY"); | |
651 | ||
652 | // | |
653 | // Flange | |
654 | // | |
655 | // Mother Volume | |
656 | ptube[0] = 2.900; | |
657 | ptube[1] = 4.300; | |
658 | ptube[2] = 1.400; | |
659 | ||
660 | gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3); | |
661 | gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY"); | |
662 | // | |
663 | // inner Inox piece | |
664 | ptube[0] = 2.900; | |
665 | ptube[1] = 3.500; | |
666 | ptube[2] = 0.450; | |
667 | gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3); | |
668 | gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY"); | |
669 | // | |
670 | // 8 x M5 Inox | |
671 | ptube[0] = 0.000; | |
672 | ptube[1] = 0.250; | |
673 | ptube[2] = 1.400; | |
674 | gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3); | |
675 | for (i=0; i<8; i++) { | |
676 | Float_t phi = i*45.*kDegrad; | |
677 | Float_t xpos = 3.9*TMath::Sin(phi); | |
678 | Float_t ypos = 3.9*TMath::Cos(phi); | |
679 | gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY"); | |
680 | } | |
681 | ||
682 | ||
683 | ptube[0] = 2.900; | |
684 | ptube[1] = 3.000; | |
685 | ptube[2] = 2.300; | |
686 | ||
687 | gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3); | |
688 | gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY"); | |
689 | ||
cd9c4f3a | 690 | //bellow on absorber side |
691 | ptube[2] = (2.*dzb+dzbb)/2.; | |
692 | dz = (81.7-ptube[2]); | |
693 | gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
694 | ||
695 | ||
fe4da5cc | 696 | // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC) |
cd9c4f3a | 697 | // by rotating it to 180 deg. and make it invisible |
fe4da5cc | 698 | // |
7bd7faf8 | 699 | |
fe4da5cc | 700 | |
7bd7faf8 | 701 | gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY"); |
702 | ||
cd9c4f3a | 703 | |
7bd7faf8 | 704 | // |
cd9c4f3a | 705 | // ******** Ion Pump volume description starts here ****** |
7bd7faf8 | 706 | // |
7bd7faf8 | 707 | // |
708 | // Getters -> | |
709 | pbox[0] = 6.50; | |
710 | pbox[1] = 6.75; | |
711 | pbox[2] = 15.60; | |
712 | gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3); | |
713 | ||
714 | pbox[0] = 5.90; | |
715 | pbox[1] = 6.15; | |
716 | pbox[2] = 15.00; | |
717 | gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3); | |
718 | gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY"); | |
719 | // <- | |
720 | ||
721 | ptube[0] = 0.0; | |
722 | ptube[1] = 19.0; | |
723 | ptube[2] = 2.5; | |
724 | gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3); | |
725 | ||
726 | ||
727 | ptube[0] = 0.0; | |
728 | ptube[1] = 15.0; | |
729 | ptube[2] = 2.5; | |
14b75006 | 730 | gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 731 | gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY"); |
732 | // | |
733 | // Connecting tube -> | |
734 | ptube[0] = 0.0; | |
735 | ptube[1] = 5.4; | |
cd9c4f3a | 736 | //ptube[2] = 13.7; |
737 | ptube[2] = 14.6; | |
7bd7faf8 | 738 | gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3); |
739 | ||
740 | ptube[0] = 0.0; | |
741 | ptube[1] = 4.8; | |
cd9c4f3a | 742 | ptube[2] = 14.6; |
14b75006 | 743 | gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 744 | gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY"); |
745 | // <- | |
746 | ||
747 | // | |
748 | // Flange -> | |
cd9c4f3a | 749 | ptube[0] = 5.41; |
7bd7faf8 | 750 | ptube[1] = 7.30; |
751 | ptube[2] = 2.15; | |
752 | gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 753 | // <- |
cd9c4f3a | 754 | Float_t zPump = 385.; |
7bd7faf8 | 755 | |
cd9c4f3a | 756 | gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY"); |
757 | gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY"); | |
758 | gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY"); | |
759 | gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY"); | |
fe4da5cc | 760 | |
7bd7faf8 | 761 | gMC->Gsatt("QBPM", "SEEN", 0); |
762 | gMC->Gsatt("QBEM", "SEEN", 0); | |
fe4da5cc | 763 | } |
764 | ||
cd9c4f3a | 765 | |
fe4da5cc | 766 | |
767 | //___________________________________________ | |
768 | void AliPIPEv0::CreateMaterials() | |
769 | { | |
7bd7faf8 | 770 | // |
13391c3e | 771 | // Define materials for beam pipe |
7bd7faf8 | 772 | // |
13391c3e | 773 | |
9e1a0ddb | 774 | if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName()); |
7bd7faf8 | 775 | Int_t isxfld = gAlice->Field()->Integ(); |
776 | Float_t sxmgmx = gAlice->Field()->Max(); | |
2196bc42 | 777 | // Steel (Inox) |
7bd7faf8 | 778 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
779 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
780 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
2196bc42 | 781 | // AlBe - alloy |
782 | Float_t aAlBe[2] = { 26.98, 9.01}; | |
783 | Float_t zAlBe[2] = { 13.00, 4.00}; | |
784 | Float_t wAlBe[2] = { 0.4, 0.6}; | |
785 | ||
7bd7faf8 | 786 | // |
787 | // Berillium | |
788 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); | |
789 | // | |
790 | // Carbon | |
791 | AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9); | |
792 | // | |
793 | // Aluminum | |
794 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
795 | // | |
796 | // Air | |
797 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
798 | // | |
799 | // Vacuum | |
800 | AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
801 | // | |
802 | // stainless Steel | |
803 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
804 | // | |
805 | // reduced density steel to approximate pump getter material | |
806 | AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel); | |
2196bc42 | 807 | // Al-Be alloy |
808 | // | |
809 | AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); | |
7bd7faf8 | 810 | // |
811 | // **************** | |
812 | // Defines tracking media parameters. | |
813 | // | |
814 | Float_t epsil = .001; // Tracking precision, | |
815 | Float_t stemax = -0.01; // Maximum displacement for multiple scat | |
816 | Float_t tmaxfd = -20.; // Maximum angle due to field deflection | |
817 | Float_t deemax = -.3; // Maximum fractional energy loss, DLS | |
818 | Float_t stmin = -.8; | |
819 | // *************** | |
820 | // | |
821 | // Beryllium | |
822 | ||
823 | AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
824 | ||
825 | // Carbon | |
826 | AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
827 | // | |
828 | // Aluminum | |
829 | AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
830 | // | |
831 | // Air | |
832 | AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
833 | // | |
834 | // Vacuum | |
835 | AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
836 | // | |
837 | // Steel | |
838 | AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
839 | // | |
840 | // Getter | |
841 | AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 842 | // |
843 | // AlBe - Aloy | |
844 | AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
845 | ||
fe4da5cc | 846 | } |
847 | ||
848 | ||
fe4da5cc | 849 | |
850 | ||
851 | ||
852 | ||
853 | ||
854 | ||
855 | ||
856 |