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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 | ||
26 | #include <TSystem.h> | |
27 | #include <TVirtualMC.h> | |
28 | ||
7bd7faf8 | 29 | #include "AliConst.h" |
30 | #include "AliMagF.h" | |
88cb7938 | 31 | #include "AliPIPEv0.h" |
32 | #include "AliRun.h" | |
4951e003 | 33 | #include "AliLog.h" |
fe4da5cc | 34 | |
35 | ClassImp(AliPIPEv0) | |
36 | ||
37 | //_____________________________________________________________________________ | |
b8032157 | 38 | AliPIPEv0::AliPIPEv0() |
fe4da5cc | 39 | { |
b43eb0dc | 40 | // Constructor |
765e9e1a | 41 | SetPipeMaterial(); |
fe4da5cc | 42 | } |
43 | ||
44 | //_____________________________________________________________________________ | |
45 | AliPIPEv0::AliPIPEv0(const char *name, const char *title) | |
46 | : AliPIPE(name,title) | |
47 | { | |
b43eb0dc | 48 | // Constructor |
765e9e1a | 49 | SetPipeMaterial(); |
fe4da5cc | 50 | } |
51 | ||
52 | ||
53 | //___________________________________________ | |
54 | void AliPIPEv0::CreateGeometry() | |
55 | { | |
fe4da5cc | 56 | //Begin_Html |
57 | /* | |
1439f98e | 58 | <img src="picts/pipe.gif"> |
fe4da5cc | 59 | */ |
60 | //End_Html | |
61 | ||
62 | ||
63 | //Begin_Html | |
64 | /* | |
1439f98e | 65 | <img src="picts/tree_pipe.gif"> |
fe4da5cc | 66 | */ |
67 | //End_Html | |
68 | ||
4951e003 | 69 | AliDebugClass(1,"Create PIPEv0 geometry"); |
fe4da5cc | 70 | |
fe4da5cc | 71 | |
7bd7faf8 | 72 | Int_t *idtmed = fIdtmed->GetArray(); |
b0090333 | 73 | Float_t ppcon[90], ptube[3], pbox[3]; |
7bd7faf8 | 74 | Int_t i=0; |
75 | ||
7bd7faf8 | 76 | |
77 | Int_t idrotm[2099]; | |
78 | AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.); | |
79 | AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.); | |
80 | AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.); | |
81 | AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.); | |
82 | AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.); | |
83 | AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.); | |
84 | AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.); | |
85 | AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.); | |
86 | AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.); | |
87 | AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.); | |
88 | idrotm[2011] = 0; | |
89 | AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.); | |
90 | AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.); | |
614dff1c | 91 | // |
92 | // Bellow | |
93 | // | |
22811e34 | 94 | // distance between bellows |
614dff1c | 95 | // total size of bellow section |
d013be8e | 96 | const Float_t kdzb = 14.6; |
614dff1c | 97 | // size of undulated region |
b63a407c | 98 | // |
99 | // Absorber side | |
100 | // | |
101 | // distance between bellows | |
d013be8e | 102 | const Float_t kdzbbA = 4.6; |
b63a407c | 103 | // total size of bellow section |
d013be8e | 104 | const Float_t kdzbA = 14.6; |
b63a407c | 105 | // size of undulated region |
106 | const Float_t kdzubA = 3.75; | |
614dff1c | 107 | |
108 | // half-lengths of various beam pipe sections | |
109 | // central Be-Pipe | |
110 | Float_t hlenQbbe1 = 40.; | |
111 | Float_t hlenQbbe2 = 36.5; | |
112 | Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.; | |
113 | // | |
114 | // | |
115 | // Float_t hlenQbt1 = 5.5/2.; | |
116 | // | |
117 | // Pipe outside central region (non-absober side) | |
118 | Float_t hlenQbab = 157.5; | |
119 | // | |
120 | // Flange non-absorber side | |
121 | Float_t hlenQb29 = 11.5/2.+1.75 + 5.0; | |
122 | // | |
123 | // Bellow element | |
b63a407c | 124 | Float_t hlenQbe0 = kdzbA; |
614dff1c | 125 | // |
126 | // Inox pipe between Be and Bellow (absorber side) | |
d013be8e | 127 | Float_t hlenQb24[3] = {11.3/2., 1.8, 3.3}; |
614dff1c | 128 | // |
129 | // | |
130 | Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.; | |
131 | // | |
132 | // Position of the pump | |
eeacf08b | 133 | Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+kdzb; |
614dff1c | 134 | // |
135 | // Inner beam pipe radius | |
ed9bfb0d | 136 | // Be |
eeacf08b | 137 | const Float_t kRinBe = 2.9; |
ed9bfb0d | 138 | // Steel |
139 | const Float_t kRinSt = 2.9; | |
140 | // Bellow | |
141 | const Float_t kRinSB = 2.92; | |
614dff1c | 142 | // |
ed9bfb0d | 143 | // Outer beam pipe radius |
144 | // Be | |
eeacf08b | 145 | const Float_t kRoutBe = 2.98; |
ed9bfb0d | 146 | // Steel |
147 | const Float_t kRoutSt = 2.98; | |
148 | // Bellow | |
149 | const Float_t kRoutSB = 3.00; | |
614dff1c | 150 | |
151 | // | |
152 | Float_t dz; | |
7bd7faf8 | 153 | |
fe4da5cc | 154 | // |
155 | // The peam pipe up to the Front Absorber | |
fe4da5cc | 156 | // |
7bd7faf8 | 157 | // Mother Volume QBPM |
614dff1c | 158 | ppcon[0] = 0; |
159 | ppcon[1] = 360; | |
b0090333 | 160 | ppcon[2] = 20; |
161 | // 1 | |
614dff1c | 162 | ppcon[3] = -90.; |
163 | ppcon[4] = 0.; | |
b0090333 | 164 | ppcon[5] = 3.1; |
7bd7faf8 | 165 | // 2 |
b0090333 | 166 | ppcon[6] = -84.; |
614dff1c | 167 | ppcon[7] = 0.; |
b0090333 | 168 | ppcon[8] = 3.1; |
7bd7faf8 | 169 | // 3 |
b0090333 | 170 | ppcon[9] = -84.; |
614dff1c | 171 | ppcon[10] = 0.; |
b0090333 | 172 | ppcon[11] = 4.4; |
173 | // 4 | |
174 | ppcon[12] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1]; | |
614dff1c | 175 | ppcon[13] = 0.; |
b0090333 | 176 | ppcon[14] = 4.4; |
177 | // 5 | |
178 | ppcon[15] = ppcon[12]; | |
614dff1c | 179 | ppcon[16] = 0.; |
b0090333 | 180 | ppcon[17] = 4.1; |
22811e34 | 181 | // 6 |
b63a407c | 182 | ppcon[18] = ppcon[15] + 2.5 + 2.*kdzubA+0.2; |
614dff1c | 183 | ppcon[19] = 0.; |
b0090333 | 184 | ppcon[20] = 4.1; |
185 | // 7 | |
186 | ppcon[21] = ppcon[18]; | |
614dff1c | 187 | ppcon[22] = 0.; |
b0090333 | 188 | ppcon[23] = 3.2; |
189 | // 8 | |
b63a407c | 190 | ppcon[24] = ppcon[21] + 2.* kdzbbA-0.4; |
614dff1c | 191 | ppcon[25] = 0.; |
b0090333 | 192 | ppcon[26] = 3.2; |
7bd7faf8 | 193 | // 9 |
b0090333 | 194 | ppcon[27] = ppcon[24]; |
195 | ppcon[28] = 0.; | |
196 | ppcon[29] = 4.1; | |
22811e34 | 197 | // 10 |
b0090333 | 198 | ppcon[30] = -44.; |
199 | ppcon[31] = 0.; | |
200 | ppcon[32] = 4.1; | |
22811e34 | 201 | // 11 |
b0090333 | 202 | ppcon[33] = -44.; |
7bd7faf8 | 203 | ppcon[34] = 0; |
b63a407c | 204 | ppcon[35] = 3.06; |
22811e34 | 205 | // 12 |
b0090333 | 206 | ppcon[36] = 38.; |
207 | ppcon[37] = 0; | |
b63a407c | 208 | ppcon[38] = 3.06; |
614dff1c | 209 | // 13 |
b0090333 | 210 | ppcon[39] = 38.; |
211 | ppcon[40] = 0; | |
ed9bfb0d | 212 | ppcon[41] = 4.1; |
22811e34 | 213 | // 14 |
b0090333 | 214 | ppcon[42] = hlenQbbe1+2.*hlenQbab-0.1; |
614dff1c | 215 | ppcon[43] = 0.; |
ed9bfb0d | 216 | ppcon[44] = 4.1; |
614dff1c | 217 | // 15 |
218 | ppcon[45] = ppcon[42]; | |
219 | ppcon[46] = 0.; | |
ed9bfb0d | 220 | ppcon[47] = 4.1; |
22811e34 | 221 | // 16 |
b0090333 | 222 | ppcon[48] = ppcon[45]+2.*hlenQb29-5.; |
614dff1c | 223 | ppcon[49] = 0.; |
ed9bfb0d | 224 | ppcon[50] = 4.1; |
22811e34 | 225 | // 17 |
b0090333 | 226 | ppcon[51] = ppcon[48]; |
22811e34 | 227 | ppcon[52] = 0.; |
b0090333 | 228 | ppcon[53] = 56.; |
22811e34 | 229 | // 18 |
eeacf08b | 230 | ppcon[54] = ppcon[51]+2.*kdzb+10.; |
22811e34 | 231 | ppcon[55] = 0.; |
b0090333 | 232 | ppcon[56] = 56.; |
233 | // 19 | |
234 | ppcon[57] = ppcon[54]; | |
235 | ppcon[58] = 0.; | |
ed9bfb0d | 236 | ppcon[59] = 4.1; |
b0090333 | 237 | // 20 |
238 | ppcon[60] = 800.; | |
239 | ppcon[61] = 0.; | |
ed9bfb0d | 240 | ppcon[62] = 4.1; |
7bd7faf8 | 241 | |
b0090333 | 242 | gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,63); |
614dff1c | 243 | |
244 | ||
7bd7faf8 | 245 | // |
cd9c4f3a | 246 | // volume definitions of various sections |
247 | // | |
cd9c4f3a | 248 | |
614dff1c | 249 | // |
250 | // The Vacuum | |
251 | gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0); | |
252 | ptube[0] = 0.0; | |
eeacf08b | 253 | ptube[1] = kRinSt; |
614dff1c | 254 | ptube[2] = (90.-hlenQbbe2)/2.; |
255 | dz = -90. + ptube[2]; | |
256 | gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
257 | dz = dz + ptube[2]; | |
258 | ||
eeacf08b | 259 | ptube[1] = kRinBe; |
614dff1c | 260 | ptube[2] = hlenQbbe+hlenQbab; |
261 | dz = dz + ptube[2]; | |
262 | gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
263 | dz = dz + ptube[2]; | |
264 | ||
eeacf08b | 265 | ptube[1] = kRinSt; |
614dff1c | 266 | ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.; |
267 | dz = dz + ptube[2]; | |
268 | gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3); | |
cd9c4f3a | 269 | |
614dff1c | 270 | // |
271 | // Be Pipe in central Alice | |
eeacf08b | 272 | ptube[0] = kRinBe; |
273 | ptube[1] = kRoutBe; | |
cd9c4f3a | 274 | ptube[2] = hlenQbbe; |
7bd7faf8 | 275 | |
276 | gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3); | |
7bd7faf8 | 277 | |
278 | // | |
614dff1c | 279 | // Support Ring |
7bd7faf8 | 280 | // |
614dff1c | 281 | // Mother |
ed9bfb0d | 282 | ptube[0] = kRoutSB; |
283 | ptube[1] = 4.0; | |
284 | ptube[2] = 0.6; | |
285 | gMC->Gsvolu("QBSR", "TUBE", idtmed[kAlu], ptube,3); | |
286 | // Inner support | |
287 | ptube[0] = kRoutSB; | |
288 | ptube[1] = 3.5; | |
289 | gMC->Gsvolu("QBSS", "TUBE", idtmed[kPA], ptube,3); | |
290 | gMC->Gspos("QBSS", 1, "QBSR", 0.0, 0.0, 0.0, 0, "ONLY"); | |
7bd7faf8 | 291 | |
614dff1c | 292 | gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY"); |
293 | gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY"); | |
294 | gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY"); | |
295 | gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY"); | |
7bd7faf8 | 296 | // |
614dff1c | 297 | // Flange and Fixed Point: non absorber side |
7bd7faf8 | 298 | // |
614dff1c | 299 | // ----------> |
300 | // | |
301 | // Mother | |
302 | ppcon[0] = 0; | |
303 | ppcon[1] = 360; | |
304 | ppcon[2] = 4; | |
305 | // 1: | |
306 | ppcon[3] = -hlenQb29; | |
eeacf08b | 307 | ppcon[4] = kRinSt; |
614dff1c | 308 | ppcon[5] = 5.8; |
309 | // 2 | |
310 | ppcon[6] = ppcon[3]+3.6; | |
eeacf08b | 311 | ppcon[7] = kRinSt; |
614dff1c | 312 | ppcon[8] = 5.8; |
313 | // 3 | |
314 | ppcon[9] = ppcon[6]; | |
eeacf08b | 315 | ppcon[10] = kRinSt; |
614dff1c | 316 | ppcon[11] = 3.6; |
317 | // 4 | |
318 | ppcon[12] = hlenQb29; | |
eeacf08b | 319 | ppcon[13] = kRinSt; |
614dff1c | 320 | ppcon[14] = 3.6; |
7bd7faf8 | 321 | |
614dff1c | 322 | gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15); |
7bd7faf8 | 323 | |
7bd7faf8 | 324 | |
614dff1c | 325 | // Flange |
eeacf08b | 326 | ptube[0] = kRinSt; |
614dff1c | 327 | ptube[1] = 5.7; |
328 | ptube[2] = 1.75; | |
329 | gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3); | |
330 | gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY"); | |
331 | // Pipe | |
eeacf08b | 332 | ptube[0] = kRinSt; |
b63a407c | 333 | ptube[1] = 3.06; |
cd9c4f3a | 334 | ptube[2] = hlenQb29; |
614dff1c | 335 | gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3); |
336 | gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY"); | |
337 | // Fixed point | |
eeacf08b | 338 | ptube[0] = kRinSt; |
614dff1c | 339 | ptube[1] = 3.5; |
340 | ptube[2] = 0.3; | |
341 | gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3); | |
342 | gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY"); | |
22811e34 | 343 | |
614dff1c | 344 | // |
7bd7faf8 | 345 | // |
cd9c4f3a | 346 | // Inox beam pipe: final section on non-absorber side |
7bd7faf8 | 347 | |
eeacf08b | 348 | ptube[0] = kRinSt; |
349 | ptube[1] = kRoutSt; | |
cd9c4f3a | 350 | ptube[2] = hlenQb28; |
7bd7faf8 | 351 | |
352 | gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 353 | |
2196bc42 | 354 | |
355 | // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe | |
356 | // | |
614dff1c | 357 | // This section is under study (A.M. 1/2/2002) |
765e9e1a | 358 | // |
359 | ||
eeacf08b | 360 | ptube[0] = kRinBe; |
765e9e1a | 361 | if (fPipeMaterial == kAlu) { |
b63a407c | 362 | ptube[1] = 3.06; |
765e9e1a | 363 | } else if (fPipeMaterial == kBe) { |
eeacf08b | 364 | ptube[1] = kRoutBe; |
765e9e1a | 365 | } else if (fPipeMaterial == kInox){ |
eeacf08b | 366 | ptube[1] = kRoutSt; |
765e9e1a | 367 | } |
cd9c4f3a | 368 | ptube[2] = hlenQbab; |
2196bc42 | 369 | |
765e9e1a | 370 | gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3); |
2196bc42 | 371 | |
cd9c4f3a | 372 | // 2.5 mm thick SS tube for hanging pump |
614dff1c | 373 | /* |
374 | ptube[0] = Rin; | |
7bd7faf8 | 375 | ptube[1] = 3.15; |
cd9c4f3a | 376 | ptube[2] = hlenQb26; |
7bd7faf8 | 377 | |
cd9c4f3a | 378 | gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3); |
614dff1c | 379 | */ |
7bd7faf8 | 380 | // |
381 | // Bellows | |
fe4da5cc | 382 | // |
22811e34 | 383 | // |
7bd7faf8 | 384 | // Mother Volume |
614dff1c | 385 | Float_t pconQBE0[33]; |
386 | pconQBE0[ 0]= 0; | |
387 | pconQBE0[ 1]= 360; | |
b63a407c | 388 | pconQBE0[ 2]= 10; |
614dff1c | 389 | // 1 |
b63a407c | 390 | pconQBE0[ 3] = -kdzbA; |
ed9bfb0d | 391 | pconQBE0[ 4] = kRinSB; |
392 | pconQBE0[ 5] = kRoutSB; | |
b63a407c | 393 | // |
394 | pconQBE0[ 6] = -kdzbA+2.5; | |
ed9bfb0d | 395 | pconQBE0[ 7] = kRinSB; |
396 | pconQBE0[ 8] = kRoutSB; | |
b63a407c | 397 | // 2 |
398 | pconQBE0[ 9] = -kdzbA+2.5; | |
ed9bfb0d | 399 | pconQBE0[10] = kRinSB; |
b63a407c | 400 | pconQBE0[11] = 3.60; |
614dff1c | 401 | // 3 |
b63a407c | 402 | pconQBE0[12] = -kdzbA+2.5+2.*kdzubA; |
ed9bfb0d | 403 | pconQBE0[13] = kRinSB; |
b63a407c | 404 | pconQBE0[14] = 3.60; |
614dff1c | 405 | // 4 |
b63a407c | 406 | pconQBE0[15] = -kdzbA+2.5+2.*kdzubA; |
ed9bfb0d | 407 | pconQBE0[16] = kRinSB; |
408 | pconQBE0[17] = kRoutSB; | |
b63a407c | 409 | // 5 |
410 | pconQBE0[18] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 411 | pconQBE0[19] = kRinSB; |
412 | pconQBE0[20] = kRoutSB; | |
614dff1c | 413 | // 6 |
b63a407c | 414 | pconQBE0[21] = -kdzbA+2.5+2.*kdzubA+2.*kdzbbA; |
ed9bfb0d | 415 | pconQBE0[22] = kRinSB; |
b63a407c | 416 | pconQBE0[23] = 3.60; |
417 | // 7 | |
418 | pconQBE0[24] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 419 | pconQBE0[25] = kRinSB; |
b63a407c | 420 | pconQBE0[26] = 3.60; |
614dff1c | 421 | // 8 |
b63a407c | 422 | pconQBE0[27] = -kdzbA+2.5+4.*kdzubA+2.*kdzbbA; |
ed9bfb0d | 423 | pconQBE0[28] = kRinSB; |
424 | pconQBE0[29] = kRoutSB; | |
b63a407c | 425 | // 9 |
426 | pconQBE0[30] = -kdzbA+5.0+4.*kdzubA+2.*kdzbbA; | |
ed9bfb0d | 427 | pconQBE0[31] = kRinSB; |
428 | pconQBE0[32] = kRoutSB; | |
b63a407c | 429 | |
614dff1c | 430 | gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33); |
431 | // | |
432 | // Undulated piece mother | |
ed9bfb0d | 433 | ptube[0] = kRinSB; |
b63a407c | 434 | ptube[1] = 3.60; |
435 | ptube[2] = kdzubA; | |
7bd7faf8 | 436 | gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3); |
b63a407c | 437 | dz = -kdzbA+kdzubA+2.5; |
614dff1c | 438 | gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY"); |
439 | gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY"); | |
440 | // | |
441 | Float_t pund[30]; | |
442 | Float_t uw = 0.02; | |
b63a407c | 443 | Float_t ur = 2.*kdzubA-36.*uw; |
444 | Float_t uz = ur/37.; | |
614dff1c | 445 | Float_t ut = uz+uw; |
446 | ||
447 | pund[ 0] = 0; | |
448 | pund[ 1] = 360; | |
13a638e8 | 449 | pund[ 2] = 8; |
614dff1c | 450 | |
451 | pund[ 3] = -ut; | |
ed9bfb0d | 452 | pund[ 4] = kRinSB; |
453 | pund[ 5] = kRinSB+uw; | |
614dff1c | 454 | |
455 | pund[ 6] = -ut+uz; | |
456 | pund[ 7] = pund[4]; | |
457 | pund[ 8] = pund[5]; | |
458 | ||
459 | pund[ 9] = pund[6]; | |
460 | pund[10] = pund[4]; | |
b63a407c | 461 | pund[11] = 3.6; |
614dff1c | 462 | |
463 | pund[12] = pund[9]+uw; | |
464 | pund[13] = pund[10]; | |
465 | pund[14] = pund[11]; | |
466 | ||
467 | pund[15] = pund[12]; | |
b63a407c | 468 | pund[16] = 3.6-uw; |
614dff1c | 469 | pund[17] = pund[14]; |
470 | ||
471 | pund[18] = pund[12]+uz; | |
472 | pund[19] = pund[16]; | |
473 | pund[20] = pund[17]; | |
474 | ||
475 | pund[21] = pund[18]; | |
ed9bfb0d | 476 | pund[22] = kRinSB; |
614dff1c | 477 | pund[23] = pund[20]; |
478 | ||
479 | pund[24] = pund[21]+uw; | |
480 | pund[25] = pund[22]; | |
481 | pund[26] = pund[23]; | |
614dff1c | 482 | |
13a638e8 | 483 | gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27); |
614dff1c | 484 | |
b63a407c | 485 | for (i = 0; i < 18; i++) |
614dff1c | 486 | { |
b63a407c | 487 | dz = -kdzubA+(1+2*i)*ut; |
614dff1c | 488 | gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY"); |
7bd7faf8 | 489 | } |
ed9bfb0d | 490 | ptube[0] = kRinSB; |
491 | ptube[1] = kRinSB+uw; | |
614dff1c | 492 | ptube[2] = uz; |
493 | gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3); | |
b63a407c | 494 | gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, kdzubA-uz, 0 , "ONLY"); |
495 | ||
7bd7faf8 | 496 | // |
614dff1c | 497 | // BeamPipe |
498 | gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0); | |
ed9bfb0d | 499 | ptube[0] = kRinSB; |
500 | ptube[1] = kRoutSB; | |
b63a407c | 501 | ptube[2] = 1.25; |
502 | gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -kdzbA+1.25, 0 , "ONLY", ptube, 3); | |
503 | gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, kdzbA-1.25, 0 , "ONLY", ptube, 3); | |
504 | ptube[2] = kdzbbA; | |
614dff1c | 505 | gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3); |
506 | // | |
614dff1c | 507 | // |
508 | // ----> End Bellow | |
509 | // | |
510 | // **** Placement of various sections on non-absorber side **** | |
7bd7faf8 | 511 | // |
cd9c4f3a | 512 | // |
614dff1c | 513 | // first the beryllium section |
514 | Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2; | |
cd9c4f3a | 515 | gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); |
516 | ||
517 | // next meta-metal transition QBT1 on on-absorber side | |
614dff1c | 518 | // zpos = zpos + hlenQbbe + hlenQbt1; |
519 | // gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY"); | |
cd9c4f3a | 520 | |
521 | // Aluminium OR Al-be alloy section | |
614dff1c | 522 | zpos = hlenQbbe1+hlenQbab; |
cd9c4f3a | 523 | gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
614dff1c | 524 | // |
cd9c4f3a | 525 | // inox flange at the start of bellow |
cd9c4f3a | 526 | zpos = zpos + hlenQbab + hlenQb29; |
614dff1c | 527 | gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY"); |
528 | // | |
cd9c4f3a | 529 | // bellow section |
cd9c4f3a | 530 | zpos = zpos + hlenQb29 + hlenQbe0; |
614dff1c | 531 | gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
532 | // | |
cd9c4f3a | 533 | // inox flange at the end of bellow and start of thick inox for pump |
cd9c4f3a | 534 | zpos = zpos + hlenQbe0 + hlenQb29; |
614dff1c | 535 | gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); |
536 | // | |
cd9c4f3a | 537 | //last inox section till 800 cm |
cd9c4f3a | 538 | zpos = zpos + hlenQb29 + hlenQb28; |
539 | gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY"); | |
614dff1c | 540 | |
ed9bfb0d | 541 | //******** end of placement on non-absorber side ********* |
cd9c4f3a | 542 | // |
543 | // **** Absorber side ***** | |
544 | // | |
545 | // | |
614dff1c | 546 | // |
547 | // Beam pipes between elements | |
ed9bfb0d | 548 | // |
614dff1c | 549 | gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0); |
eeacf08b | 550 | ptube[0] = kRinSt; |
551 | ptube[1] = kRoutSt; | |
614dff1c | 552 | ptube[2] = hlenQb24[0]; |
ed9bfb0d | 553 | Float_t bpbe[33]; |
554 | bpbe[ 0] = 0.; | |
555 | bpbe[ 1] = 360.; | |
556 | bpbe[ 2] = 10.; | |
557 | // 1 | |
558 | bpbe[ 3] = -hlenQb24[0]; | |
559 | bpbe[ 4] = kRinSB; | |
560 | bpbe[ 5] = kRoutSB; | |
561 | // 2 | |
562 | bpbe[ 6] = hlenQb24[0] - 5.8; | |
563 | bpbe[ 7] = kRinSB; | |
564 | bpbe[ 8] = kRoutSB; | |
565 | // 3 | |
566 | bpbe[ 9] = hlenQb24[0] - 5.8; | |
567 | bpbe[10] = kRinSt; | |
568 | bpbe[11] = 3.05; | |
569 | // 4 | |
570 | bpbe[12] = hlenQb24[0] - 4.5; | |
571 | bpbe[13] = kRinSt; | |
572 | bpbe[14] = 3.05; | |
573 | // 5 | |
574 | bpbe[15] = hlenQb24[0] - 4.5; | |
575 | bpbe[16] = kRinSt; | |
576 | bpbe[17] = kRoutSt ; | |
577 | // 6 | |
578 | bpbe[18] = hlenQb24[0] - 3.5; | |
579 | bpbe[19] = kRinSt; | |
580 | bpbe[20] = kRoutSt ; | |
581 | // 7 | |
582 | bpbe[21] = hlenQb24[0] - 3.5; | |
583 | bpbe[22] = kRinSt; | |
584 | bpbe[23] = 3.05; | |
585 | // 8 | |
586 | bpbe[24] = hlenQb24[0] - 3.0; | |
587 | bpbe[25] = kRinSt; | |
588 | bpbe[26] = 3.05; | |
589 | // 9 | |
590 | bpbe[27] = hlenQb24[0] - 3.0; | |
591 | bpbe[28] = kRinSt; | |
592 | bpbe[29] = kRoutSt; | |
593 | // 10 | |
594 | bpbe[30] = hlenQb24[0]; | |
595 | bpbe[31] = kRinSt; | |
596 | bpbe[32] = kRoutSt; | |
597 | ||
598 | gMC->Gsvolu("QA24","PCON", idtmed[kInox], bpbe, 33); | |
599 | ||
600 | dz = hlenQbbe2 + hlenQb24[0]; | |
601 | ||
602 | gMC->Gspos("QA24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
614dff1c | 603 | // |
604 | // Bellow on absorber side | |
ed9bfb0d | 605 | |
b63a407c | 606 | dz = dz+hlenQb24[0] + kdzbA; |
614dff1c | 607 | gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); |
608 | // | |
609 | ptube[2] = hlenQb24[1]; | |
eeacf08b | 610 | dz = dz + kdzb + ptube[2]; |
614dff1c | 611 | gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); |
612 | dz = dz + ptube[2]; | |
7bd7faf8 | 613 | |
7bd7faf8 | 614 | // |
7bd7faf8 | 615 | // Flange |
616 | // | |
617 | // Mother Volume | |
ed9bfb0d | 618 | ptube[0] = kRinSB; |
7bd7faf8 | 619 | ptube[1] = 4.300; |
614dff1c | 620 | ptube[2] = 1.4; |
7bd7faf8 | 621 | |
614dff1c | 622 | gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3); |
623 | dz = dz + ptube[2]; | |
624 | gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY"); | |
625 | dz = dz + ptube[2]; | |
7bd7faf8 | 626 | // |
614dff1c | 627 | // |
ed9bfb0d | 628 | ptube[0] = kRinSB; |
629 | ptube[1] = kRoutSB; | |
614dff1c | 630 | ptube[2] = hlenQb24[2]; |
631 | dz = dz + ptube[2]; | |
632 | gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3); | |
cd9c4f3a | 633 | |
fe4da5cc | 634 | // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC) |
cd9c4f3a | 635 | // by rotating it to 180 deg. and make it invisible |
fe4da5cc | 636 | // |
df7d6d39 | 637 | gMC->Gspos("QBPM",1,"ALIC", 0, 0, 0, 0, "ONLY"); |
fddcf8f7 | 638 | gMC->Gsbool("QBPM", "L3DX"); |
639 | gMC->Gsbool("QBPM", "L3O3"); | |
640 | gMC->Gsbool("QBPM", "L3O4"); | |
7bd7faf8 | 641 | |
cd9c4f3a | 642 | |
7bd7faf8 | 643 | // |
cd9c4f3a | 644 | // ******** Ion Pump volume description starts here ****** |
7bd7faf8 | 645 | // |
7bd7faf8 | 646 | // |
647 | // Getters -> | |
648 | pbox[0] = 6.50; | |
649 | pbox[1] = 6.75; | |
650 | pbox[2] = 15.60; | |
651 | gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3); | |
652 | ||
653 | pbox[0] = 5.90; | |
654 | pbox[1] = 6.15; | |
655 | pbox[2] = 15.00; | |
656 | gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3); | |
657 | gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY"); | |
658 | // <- | |
659 | ||
660 | ptube[0] = 0.0; | |
661 | ptube[1] = 19.0; | |
662 | ptube[2] = 2.5; | |
663 | gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3); | |
664 | ||
665 | ||
666 | ptube[0] = 0.0; | |
667 | ptube[1] = 15.0; | |
668 | ptube[2] = 2.5; | |
14b75006 | 669 | gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 670 | gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY"); |
671 | // | |
672 | // Connecting tube -> | |
673 | ptube[0] = 0.0; | |
d013be8e | 674 | ptube[1] = 4.5; |
cd9c4f3a | 675 | ptube[2] = 14.6; |
7bd7faf8 | 676 | gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3); |
677 | ||
678 | ptube[0] = 0.0; | |
d013be8e | 679 | ptube[1] = 3.9; |
cd9c4f3a | 680 | ptube[2] = 14.6; |
14b75006 | 681 | gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3); |
7bd7faf8 | 682 | gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY"); |
683 | // <- | |
684 | ||
685 | // | |
686 | // Flange -> | |
d013be8e | 687 | ptube[0] = 4.6; |
7bd7faf8 | 688 | ptube[1] = 7.30; |
689 | ptube[2] = 2.15; | |
690 | gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3); | |
7bd7faf8 | 691 | // <- |
cd9c4f3a | 692 | gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY"); |
693 | gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY"); | |
694 | gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY"); | |
695 | gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY"); | |
fe4da5cc | 696 | |
22811e34 | 697 | gMC->Gsatt("QBPM", "SEEN", 1); |
698 | gMC->Gsatt("QBEM", "SEEN", 1); | |
fe4da5cc | 699 | } |
700 | ||
cd9c4f3a | 701 | |
fe4da5cc | 702 | |
703 | //___________________________________________ | |
704 | void AliPIPEv0::CreateMaterials() | |
705 | { | |
7bd7faf8 | 706 | // |
13391c3e | 707 | // Define materials for beam pipe |
7bd7faf8 | 708 | // |
13391c3e | 709 | |
4951e003 | 710 | AliDebugClass(1,"Create PIPEv0 materials"); |
7bd7faf8 | 711 | Int_t isxfld = gAlice->Field()->Integ(); |
712 | Float_t sxmgmx = gAlice->Field()->Max(); | |
2196bc42 | 713 | // Steel (Inox) |
7bd7faf8 | 714 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
715 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
716 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
2196bc42 | 717 | // AlBe - alloy |
718 | Float_t aAlBe[2] = { 26.98, 9.01}; | |
719 | Float_t zAlBe[2] = { 13.00, 4.00}; | |
720 | Float_t wAlBe[2] = { 0.4, 0.6}; | |
ed9bfb0d | 721 | // |
722 | // Polyamid | |
723 | Float_t aPA[4] = {16., 14., 12., 1.}; | |
724 | Float_t zPA[4] = { 8., 7., 6., 1.}; | |
725 | Float_t wPA[4] = { 1., 1., 6., 11.}; | |
002b3738 | 726 | // |
727 | // Air | |
728 | // | |
729 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
730 | Float_t zAir[4]={6.,7.,8.,18.}; | |
731 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
732 | Float_t dAir = 1.20479E-3; | |
d013be8e | 733 | Float_t dAir1 = 1.20479E-10; |
002b3738 | 734 | |
7bd7faf8 | 735 | // |
736 | // Berillium | |
737 | AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7); | |
738 | // | |
739 | // Carbon | |
740 | AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9); | |
741 | // | |
742 | // Aluminum | |
743 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
744 | // | |
745 | // Air | |
002b3738 | 746 | AliMixture(15, "AIR$ ", aAir, zAir, dAir, 4, wAir); |
7bd7faf8 | 747 | // |
748 | // Vacuum | |
d013be8e | 749 | AliMixture(16, "VACUUM$ ", aAir, zAir, dAir1, 4, wAir); |
7bd7faf8 | 750 | // |
751 | // stainless Steel | |
752 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
753 | // | |
754 | // reduced density steel to approximate pump getter material | |
755 | AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel); | |
2196bc42 | 756 | // Al-Be alloy |
757 | // | |
758 | AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe); | |
ed9bfb0d | 759 | // Polyamid |
760 | // | |
761 | AliMixture(22, "PA$", aPA, zPA, 1.14, -4, wPA); | |
7bd7faf8 | 762 | // |
ed9bfb0d | 763 | |
7bd7faf8 | 764 | // **************** |
765 | // Defines tracking media parameters. | |
766 | // | |
767 | Float_t epsil = .001; // Tracking precision, | |
768 | Float_t stemax = -0.01; // Maximum displacement for multiple scat | |
769 | Float_t tmaxfd = -20.; // Maximum angle due to field deflection | |
770 | Float_t deemax = -.3; // Maximum fractional energy loss, DLS | |
771 | Float_t stmin = -.8; | |
772 | // *************** | |
773 | // | |
774 | // Beryllium | |
775 | ||
776 | AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
777 | ||
778 | // Carbon | |
779 | AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
780 | // | |
781 | // Aluminum | |
782 | AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
783 | // | |
784 | // Air | |
785 | AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
786 | // | |
787 | // Vacuum | |
788 | AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
789 | // | |
790 | // Steel | |
791 | AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
792 | // | |
793 | // Getter | |
794 | AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 795 | // |
796 | // AlBe - Aloy | |
797 | AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
ed9bfb0d | 798 | // |
799 | // Polyamid | |
800 | AliMedium(22, "PA" , 22, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
2196bc42 | 801 | |
fe4da5cc | 802 | } |
803 | ||
804 | ||
fe4da5cc | 805 | |
806 | ||
807 | ||
808 | ||
809 | ||
810 | ||
811 | ||
812 |