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 | |