6523e275 |
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 | $Log$ |
18 | */ |
19 | |
20 | /////////////////////////////////////////////////////////////////////////////// |
21 | // // |
22 | // Muon Shield Class // |
23 | // This class contains a description of the muon shield // |
24 | // // |
25 | //Begin_Html |
26 | /* |
27 | <img src="picts/AliSHILClass.gif"> |
28 | */ |
29 | //End_Html |
30 | // // |
31 | // // |
32 | /////////////////////////////////////////////////////////////////////////////// |
33 | |
34 | #include "AliSHILv0.h" |
35 | #include "AliRun.h" |
36 | #include "AliConst.h" |
37 | |
38 | ClassImp(AliSHILv0) |
39 | |
40 | //_____________________________________________________________________________ |
41 | AliSHILv0::AliSHILv0() |
42 | { |
43 | // |
44 | // Default constructor for muon shield |
45 | // |
46 | } |
47 | |
48 | //_____________________________________________________________________________ |
49 | AliSHILv0::AliSHILv0(const char *name, const char *title) |
50 | : AliSHIL(name,title) |
51 | { |
52 | // |
53 | // Standard constructor for muon shield |
54 | // |
55 | SetMarkerColor(7); |
56 | SetMarkerStyle(2); |
57 | SetMarkerSize(0.4); |
58 | } |
59 | |
60 | //_____________________________________________________________________________ |
61 | void AliSHILv0::CreateGeometry() |
62 | { |
63 | // |
64 | // Build muon shield geometry |
65 | // |
66 | // |
67 | //Begin_Html |
68 | /* |
69 | <img src="picts/AliSHILv0.gif"> |
70 | */ |
71 | //End_Html |
72 | //Begin_Html |
73 | /* |
74 | <img src="picts/AliSHILv0Tree.gif"> |
75 | */ |
76 | //End_Html |
77 | |
78 | Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[21], par3[27], par4[21], par0[42]; |
79 | Float_t dz, DZ; |
80 | |
81 | Int_t *idtmed = fIdtmed->GetArray()-1699; |
82 | |
83 | #include "ShieldConst.h" |
84 | // |
85 | // Mother volume |
86 | // |
87 | par0[0] = 0.; |
88 | par0[1] = 360.; |
89 | par0[2] = 13.; |
90 | |
91 | Float_t dl=(zvac12-abs_l+d_rear)/2.; |
92 | dz=abs_l-d_rear+dl; |
93 | // |
94 | par0[3] = -dl; |
95 | par0[4] = 0.; |
96 | par0[5] = (abs_l-d_rear) * TMath::Tan(acc_min); |
97 | |
98 | par0[6] = -dl+d_rear; |
99 | par0[7] = 0.; |
100 | par0[8] = abs_l * TMath::Tan(acc_min); |
101 | |
102 | par0[9] = -dl+d_rear; |
103 | par0[10] = 0.; |
104 | par0[11] = R11; |
105 | |
106 | par0[12] = -dz+zvac4; |
107 | par0[13] = 0.; |
108 | par0[14] = R11; |
109 | |
110 | par0[15] = -dz+zvac4; |
111 | par0[16] = 0.; |
112 | par0[17] = R21; |
113 | |
114 | par0[18] = -dz+zvac6; |
115 | par0[19] = 0.; |
116 | par0[20] = R21; |
117 | |
118 | par0[21] = -dz+zvac6; |
119 | par0[22] = 0.; |
120 | par0[23] = zvac6 * TMath::Tan(acc_min); |
121 | |
122 | par0[24] = -dz+zcone_e; |
123 | par0[25] = 0.; |
124 | par0[26] = 30.; |
125 | |
126 | par0[27] = -dz+zvac10; |
127 | par0[28] = 0.; |
128 | par0[29] = 30.; |
129 | |
130 | par0[30] = -dz+zvac10; |
131 | par0[31] = 0.; |
132 | par0[32] = R42; |
133 | |
134 | par0[33] = -dz+zvac11; |
135 | par0[34] = 0.; |
136 | par0[35] = R42; |
137 | |
138 | par0[36] = -dz+zvac11; |
139 | par0[37] = 0.; |
140 | par0[38] = R43; |
141 | |
142 | par0[39] = -dz+zvac12; |
143 | par0[40] = 0.; |
144 | par0[41] = R43; |
145 | |
146 | gMC->Gsvolu("YMOT", "PCON", idtmed[1755], par0, 42); |
147 | dz=abs_l+dl-d_rear; |
148 | gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
149 | // |
150 | |
151 | DZ=-dl; |
152 | |
153 | // |
154 | // First section: bellows below and behind front absorber |
155 | // |
156 | // |
157 | |
158 | par1[0] = 0.; |
159 | par1[1] = 360.; |
160 | par1[2] = 12.; |
161 | dl=(zvac4-abs_l+d_rear)/2.; |
162 | |
163 | par1[3] = -dl; |
164 | par1[4] = r_abs+(abs_l-d_rear-abs_c) * TMath::Tan(theta_open1); |
165 | par1[5] = (abs_l-d_rear)* TMath::Tan(acc_min); |
166 | |
167 | par1[6] = -dl+zvac1-(abs_l-d_rear); |
168 | par1[7] = r_abs+ (zvac1-abs_c) * TMath::Tan(theta_open1); |
169 | par1[8] = zvac1 * TMath::Tan(acc_min); |
170 | |
171 | par1[9] = par1[6]+dr11; |
172 | par1[10] = par1[7]+dr11; |
173 | par1[11] = (zvac1+dr11) * TMath::Tan(acc_min); |
174 | |
175 | par1[12] = -dl+d_rear; |
176 | par1[13] = par1[10]; |
177 | par1[14] = abs_l * TMath::Tan(acc_min); |
178 | |
179 | par1[15] = -dl+d_rear; |
180 | par1[16] = par1[10]; |
181 | par1[17] = R11; |
182 | |
183 | par1[18] = -dl+(zvac1+dr11+dB1-abs_l+d_rear); |
184 | par1[19] = par1[16]; |
185 | par1[20] = R11; |
186 | |
187 | par1[21] = par1[18]+dr12; |
188 | par1[22] = par1[19]+dr12; |
189 | par1[23] = R11; |
190 | |
191 | par1[24] = par1[21]+dF1; |
192 | par1[25] = par1[22]; |
193 | par1[26] = R11; |
194 | |
195 | par1[27] = par1[24]+dr12; |
196 | par1[28] = par1[25]-dr12; |
197 | par1[29] = R11; |
198 | |
199 | par1[30] = par1[27]+dB1; |
200 | par1[31] = par1[28]; |
201 | par1[32] = R11; |
202 | |
203 | par1[33] = par1[30]+dr13; |
204 | par1[34] = par1[31]-dr13; |
205 | par1[35] = R11; |
206 | |
207 | par1[36] = -dl+zvac4-abs_l+d_rear; |
208 | par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(theta_open2); |
209 | par1[38] = R11; |
210 | |
211 | Float_t r2=par1[34]; |
212 | |
213 | gMC->Gsvolu("YGO1", "PCON", idtmed[1760], par1, 39); |
214 | |
215 | for (Int_t i=4; i<38; i+=3) par1[i] = 0; |
216 | gMC->Gsvolu("YMO1", "PCON", idtmed[1755], par1, 39); |
217 | |
218 | gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY"); |
219 | |
220 | DZ+=dl; |
221 | gMC->Gspos("YMO1", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); |
222 | DZ+=dl; |
223 | |
224 | // |
225 | // Steel envelope |
226 | tpar[0]=R11-dRSteel1; |
227 | tpar[1]=R11; |
228 | tpar[2]=dl-d_rear/2; |
229 | gMC->Gsvolu("YSE1", "TUBE", idtmed[1718], tpar, 3); |
230 | dz=dl-tpar[2]; |
231 | |
232 | gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY"); |
233 | |
234 | // |
235 | // 1st section: vacuum system |
236 | // |
237 | // |
238 | // Bellow 1 |
239 | // |
240 | tpar[0]=rB1; |
241 | tpar[1]=rB1+hB1; |
242 | tpar[2]=eB1/2.; |
243 | gMC->Gsvolu("YB11", "TUBE", idtmed[1758], tpar, 3); |
244 | Float_t dl1=tpar[2]; |
245 | |
246 | tpar[0]=rB1+hB1-eB1; |
247 | tpar[1]=rB1+hB1; |
248 | tpar[2]=(lB1/2.-2.*eB1)/2.; |
249 | gMC->Gsvolu("YB12", "TUBE", idtmed[1758], tpar, 3); |
250 | Float_t dl2=tpar[2]; |
251 | |
252 | tpar[0]=rB1-eB1; |
253 | tpar[1]=rB1; |
254 | tpar[2]=lB1/8.; |
255 | gMC->Gsvolu("YB13", "TUBE", idtmed[1758], tpar, 3); |
256 | Float_t dl3=tpar[2]; |
257 | |
258 | |
259 | tpar[0]=0; |
260 | tpar[1]=rB1+hB1; |
261 | tpar[2]=lB1/2.; |
262 | gMC->Gsvolu("YBU1", "TUBE", idtmed[1755], tpar, 3); |
263 | |
264 | dz=-tpar[2]+dl3; |
265 | gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY"); |
266 | dz+=dl3; |
267 | dz+=dl1; |
268 | gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY"); |
269 | dz+=dl1; |
270 | dz+=dl2; |
271 | gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY"); |
272 | dz+=dl2; |
273 | dz+=dl1; |
274 | gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY"); |
275 | dz+=dl1; |
276 | dz+=dl3; |
277 | gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY"); |
278 | |
279 | |
280 | tpar[0]=0; |
281 | tpar[1]=rB1+hB1; |
282 | tpar[2]=10.*lB1/2.; |
283 | gMC->Gsvolu("YBM1", "TUBE", idtmed[1755], tpar, 3); |
284 | dz=-tpar[2]+lB1/2.; |
285 | for (Int_t i=0; i<10; i++) { |
286 | gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0.,dz , 0, "ONLY"); |
287 | dz+=lB1; |
288 | } |
289 | dz=-dl+(zvac1-abs_l+d_rear)+dr11+tpar[2]; |
290 | gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
291 | |
292 | dz=dl-dr13-(zvac4-zvac3)-tpar[2]-(dr11-dr13); |
293 | gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); |
294 | |
295 | // |
296 | // Flange |
297 | |
298 | tpar[0]=0; |
299 | tpar[1]=rF1; |
300 | tpar[2]=dF1/2.; |
301 | gMC->Gsvolu("YFM1", "TUBE", idtmed[1755], tpar, 3); |
302 | |
303 | tpar[0]=rF1-d_flange; |
304 | tpar[1]=rF1; |
305 | tpar[2]=dF1/2.; |
306 | gMC->Gsvolu("YF11", "TUBE", idtmed[1758], tpar, 3); |
307 | gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY"); |
308 | |
309 | tpar[0]=rB1; |
310 | tpar[1]=rF1-d_flange; |
311 | tpar[2]=d_flange/2.; |
312 | gMC->Gsvolu("YF12", "TUBE", idtmed[1758], tpar, 3); |
313 | dz=-dF1/2.+tpar[2]; |
314 | gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY"); |
315 | dz= dF1/2.-tpar[2]; |
316 | gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY"); |
317 | |
318 | dz=-dl+(zvac2-abs_l+d_rear); |
319 | gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); |
320 | |
321 | |
322 | // |
323 | // pipe between flange and bellows |
324 | tpar[0]=rB1-d_tube; |
325 | tpar[1]=rB1; |
326 | tpar[2]=2.*(dB1+dr12-10.*lB1)/4.; |
327 | gMC->Gsvolu("YPF1", "TUBE", idtmed[1758], tpar, 3); |
328 | dz=-dl+(zvac2-abs_l+d_rear)-dF1/2.-tpar[2]; |
329 | gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
330 | dz=-dl+(zvac2-abs_l+d_rear)+dF1/2.+tpar[2]; |
331 | gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); |
332 | |
333 | // |
334 | // pipe and heating jackets outside bellows |
335 | // |
336 | // left side |
337 | cpar0[0]=(zvac1-abs_l+d_rear)/2; |
338 | cpar0[1]=r_vacu+(abs_l-d_rear-abs_c)*TMath::Tan(theta_open1); |
339 | cpar0[2]=r_abs +(abs_l-d_rear-abs_c)*TMath::Tan(theta_open1); |
340 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open1); |
341 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open1); |
342 | gMC->Gsvolu("YV11", "CONE", idtmed[1758], cpar0, 5); |
343 | // |
344 | // insulation |
345 | cpar[0]=cpar0[0]; |
346 | cpar[1]=cpar0[1]+d_tube; |
347 | cpar[2]=cpar0[1]+d_tube+d_insu; |
348 | cpar[3]=cpar0[3]+d_tube; |
349 | cpar[4]=cpar0[3]+d_tube+d_insu; |
350 | gMC->Gsvolu("YI11", "CONE", idtmed[1753], cpar, 5); |
351 | gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY"); |
352 | // |
353 | // clearance |
354 | cpar[1]=cpar0[2]-d_prot-d_free; |
355 | cpar[2]=cpar0[2]-d_prot; |
356 | cpar[3]=cpar0[4]-d_prot-d_free; |
357 | cpar[4]=cpar0[4]-d_prot; |
358 | gMC->Gsvolu("YP11", "CONE", idtmed[1755], cpar, 5); |
359 | gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY"); |
360 | |
361 | dz=-dl+cpar0[0]; |
362 | gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
363 | |
364 | // right side |
365 | cpar0[0]=(zvac4-zvac3)/2; |
366 | cpar0[1]=r2-d_vacu; |
367 | cpar0[2]=r2 ; |
368 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open2); |
369 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open2); |
370 | gMC->Gsvolu("YV12", "CONE", idtmed[1758], cpar0, 5); |
371 | // |
372 | // insulation |
373 | cpar[0]=cpar0[0]; |
374 | cpar[1]=cpar0[1]+d_tube; |
375 | cpar[2]=cpar0[1]+d_tube+d_insu; |
376 | cpar[3]=cpar0[3]+d_tube; |
377 | cpar[4]=cpar0[3]+d_tube+d_insu; |
378 | gMC->Gsvolu("YI12", "CONE", idtmed[1753], cpar, 5); |
379 | gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY"); |
380 | // |
381 | // clearance |
382 | cpar[1]=cpar0[2]-d_prot-d_free; |
383 | cpar[2]=cpar0[2]-d_prot; |
384 | cpar[3]=cpar0[4]-d_prot-d_free; |
385 | cpar[4]=cpar0[4]-d_prot; |
386 | gMC->Gsvolu("YP12", "CONE", idtmed[1755], cpar, 5); |
387 | gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY"); |
388 | |
389 | dz=dl-cpar0[0]; |
390 | gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
391 | |
392 | // |
393 | // Second Section |
394 | |
395 | par2[0] = 0.; |
396 | par2[1] = 360.; |
397 | par2[2] = 6.; |
398 | dl=(zvac7-zvac4)/2.; |
399 | |
400 | par2[3] = -dl; |
401 | par2[4] = r2+(zvac5-zvac3) * TMath::Tan(theta_open2); |
402 | par2[5] = R11; |
403 | |
404 | par2[6] = -dl; |
405 | par2[7] = par2[4]; |
406 | par2[8] = R21; |
407 | |
408 | par2[9] = -dl+(zvac6-zvac4); |
409 | par2[10] = r2+(zvac6-zvac3) * TMath::Tan(theta_open2); |
410 | par2[11] = R21; |
411 | |
412 | par2[12] = -dl+(zvac6-zvac4); |
413 | par2[13] = par2[10]; |
414 | par2[14] = zvac6*TMath::Tan(acc_min); |
415 | |
416 | par2[15] = -dl+(zcone_e-zvac4); |
417 | par2[16] = r2+(zcone_e-zvac3) * TMath::Tan(theta_open2); |
418 | par2[17] = 30.; |
419 | |
420 | par2[18] = -dl+(zvac7-zvac4); |
421 | par2[19] = r2+(zvac7-zvac3) * TMath::Tan(theta_open2); |
422 | par2[20] = 30.; |
423 | |
424 | |
425 | gMC->Gsvolu("YGO2", "PCON", idtmed[1760], par2, 21); |
426 | |
427 | for (Int_t i=4; i<20; i+=3) par2[i] = 0; |
428 | |
429 | gMC->Gsvolu("YMO2", "PCON", idtmed[1755], par2, 21); |
430 | gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY"); |
431 | |
432 | DZ+=dl; |
433 | gMC->Gspos("YMO2", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); |
434 | DZ+=dl; |
435 | // |
436 | // Steel envelope |
437 | // |
438 | tpar[0]=R11-dRSteel2; |
439 | tpar[1]=R21; |
440 | tpar[2]=2; |
441 | gMC->Gsvolu("YS21", "TUBE", idtmed[1718], tpar, 3); |
442 | dz=-dl+tpar[2]; |
443 | gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY"); |
444 | dz+=tpar[2]; |
445 | tpar[0]=R21-dRSteel2; |
446 | tpar[1]=R21; |
447 | tpar[2]=(zvac6-zvac5)/2.; |
448 | gMC->Gsvolu("YS22", "TUBE", idtmed[1718], tpar, 3); |
449 | dz+=tpar[2]; |
450 | gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY"); |
451 | dz+=tpar[2]; |
452 | |
453 | cpar[0]=2.; |
454 | cpar[1]=R21-dRSteel2; |
455 | cpar[2]=zvac6 * TMath::Tan(acc_min); |
456 | cpar[3]=cpar[1]; |
457 | cpar[4]=cpar[2]+4.*TMath::Tan(acc_min); |
458 | |
459 | gMC->Gsvolu("YS23", "CONE", idtmed[1718], cpar, 5); |
460 | dz+=cpar[0]; |
461 | gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY"); |
462 | dz+=cpar[0]; |
463 | |
464 | cpar[0]=(zcone_e-zvac6-4.)/2; |
465 | cpar[2]=cpar[4]; |
466 | cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(acc_min); |
467 | cpar[1]=cpar[2]-dRSteel2; |
468 | cpar[3]=cpar[4]-dRSteel2; |
469 | |
470 | gMC->Gsvolu("YS24", "CONE", idtmed[1718], cpar, 5); |
471 | dz+=cpar[0]; |
472 | gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY"); |
473 | dz+=cpar[0]; |
474 | |
475 | tpar[0]=26.; |
476 | tpar[1]=30.; |
477 | tpar[2]=(zvac7-zcone_e)/2.; |
478 | |
479 | gMC->Gsvolu("YS25", "TUBE", idtmed[1718], tpar, 3); |
480 | dz+=tpar[2]; |
481 | gMC->Gspos("YS25", 1, "YGO2", 0., 0., dz, 0, "ONLY"); |
482 | dz+=tpar[2]; |
483 | |
484 | // |
485 | // 2nd section: vacuum system |
486 | |
487 | cpar0[0]=(zvac7-zvac4)/2; |
488 | cpar0[1]=r2-d_vacu+(zvac4-zvac3)*TMath::Tan(theta_open2); |
489 | cpar0[2]=r2 +(zvac4-zvac3)*TMath::Tan(theta_open2); |
490 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open2); |
491 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open2); |
492 | gMC->Gsvolu("YV21", "CONE", idtmed[1758], cpar0, 5); |
493 | // |
494 | // insulation |
495 | cpar[0]=cpar0[0]; |
496 | cpar[1]=cpar0[1]+d_tube; |
497 | cpar[2]=cpar0[1]+d_tube+d_insu; |
498 | cpar[3]=cpar0[3]+d_tube; |
499 | cpar[4]=cpar0[3]+d_tube+d_insu; |
500 | gMC->Gsvolu("YI21", "CONE", idtmed[1753], cpar, 5); |
501 | gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY"); |
502 | // |
503 | // clearance |
504 | cpar[1]=cpar0[2]-d_prot-d_free; |
505 | cpar[2]=cpar0[2]-d_prot; |
506 | cpar[3]=cpar0[4]-d_prot-d_free; |
507 | cpar[4]=cpar0[4]-d_prot; |
508 | gMC->Gsvolu("YP21", "CONE", idtmed[1755], cpar, 5); |
509 | gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY"); |
510 | |
511 | dz=0.; |
512 | gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY"); |
513 | |
514 | // |
515 | // Third Section: Bellows and Flange |
516 | // |
517 | par3[0] = 0.; |
518 | par3[1] = 360.; |
519 | par3[2] = 8.; |
520 | dl=(zvac9-zvac7)/2.; |
521 | |
522 | par3[3] = -dl; |
523 | par3[4] = r2+(zvac7-zvac3) * TMath::Tan(theta_open2); |
524 | par3[5] = 30.; |
525 | |
526 | par3[6] = -dl+dr21; |
527 | par3[7] = par3[4]+dr21; |
528 | par3[8] = 30.; |
529 | |
530 | par3[9] = par3[6]+dB2; |
531 | par3[10] = par3[7]; |
532 | par3[11] = 30.; |
533 | |
534 | par3[12] = par3[9]+dr22; |
535 | par3[13] = par3[10]+dr22; |
536 | par3[14] = 30.; |
537 | |
538 | par3[15] = par3[12]+dF2; |
539 | par3[16] = par3[13]; |
540 | par3[17] = 30.; |
541 | |
542 | par3[18] = par3[15]+dr22; |
543 | par3[19] = par3[16]-dr22; |
544 | par3[20] = 30.; |
545 | |
546 | par3[21] = par3[18]+dB2; |
547 | par3[22] = par3[19]; |
548 | par3[23] = 30.; |
549 | |
550 | par3[24] = par3[21]+dr23; |
551 | par3[25] = par3[22]-dr23; |
552 | par3[26] = 30.; |
553 | |
554 | Float_t r3=par3[25]; |
555 | |
556 | gMC->Gsvolu("YGO3", "PCON", idtmed[1760], par3, 27); |
557 | |
558 | for (Int_t i=4; i<26; i+=3) par3[i] = 0; |
559 | |
560 | gMC->Gsvolu("YMO3", "PCON", idtmed[1755], par3, 27); |
561 | gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY"); |
562 | |
563 | // |
564 | // Steel envelope |
565 | tpar[0]=26; |
566 | tpar[1]=30; |
567 | tpar[2]=dl; |
568 | gMC->Gsvolu("YS31", "TUBE", idtmed[1718], tpar, 3); |
569 | gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY"); |
570 | DZ+=dl; |
571 | gMC->Gspos("YMO3", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); |
572 | DZ+=dl; |
573 | |
574 | // |
575 | // 3rd section: vacuum system |
576 | // |
577 | // |
578 | // Bellow2 |
579 | // |
580 | tpar[0]=rB2; |
581 | tpar[1]=rB2+hB2; |
582 | tpar[2]=eB2/2.; |
583 | gMC->Gsvolu("YB21", "TUBE", idtmed[1758], tpar, 3); |
584 | dl1=tpar[2]; |
585 | |
586 | tpar[0]=rB2+hB2-eB2; |
587 | tpar[1]=rB2+hB2; |
588 | tpar[2]=(lB2/2.-2.*eB2)/2.; |
589 | gMC->Gsvolu("YB22", "TUBE", idtmed[1758], tpar, 3); |
590 | dl2=tpar[2]; |
591 | |
592 | tpar[0]=rB2-eB2; |
593 | tpar[1]=rB2; |
594 | tpar[2]=lB2/8.; |
595 | gMC->Gsvolu("YB23", "TUBE", idtmed[1758], tpar, 3); |
596 | dl3=tpar[2]; |
597 | |
598 | |
599 | tpar[0]=0; |
600 | tpar[1]=rB2+hB2; |
601 | tpar[2]=lB2/2.; |
602 | gMC->Gsvolu("YBU2", "TUBE", idtmed[1755], tpar, 3); |
603 | |
604 | dz=-tpar[2]+dl3; |
605 | gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY"); |
606 | dz+=dl3; |
607 | dz+=dl1; |
608 | gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY"); |
609 | dz+=dl1; |
610 | dz+=dl2; |
611 | gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY"); |
612 | dz+=dl2; |
613 | dz+=dl1; |
614 | gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY"); |
615 | dz+=dl1; |
616 | dz+=dl3; |
617 | gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY"); |
618 | |
619 | |
620 | tpar[0]=0; |
621 | tpar[1]=rB2+hB2; |
622 | tpar[2]=7.*lB2/2.; |
623 | gMC->Gsvolu("YBM2", "TUBE", idtmed[1755], tpar, 3); |
624 | dz=-tpar[2]+lB2/2.; |
625 | for (Int_t i=0; i<7; i++) { |
626 | gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY"); |
627 | dz+=lB2; |
628 | } |
629 | |
630 | dz=-dl+dr21+tpar[2]; |
631 | gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY"); |
632 | |
633 | dz=dl-dr23-tpar[2]; |
634 | gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); |
635 | |
636 | // |
637 | // Flange |
638 | |
639 | tpar[0]=0; |
640 | tpar[1]=rF2; |
641 | tpar[2]=dF2/2.; |
642 | gMC->Gsvolu("YFM2", "TUBE", idtmed[1755], tpar, 3); |
643 | |
644 | tpar[0]=rF2-d_flange; |
645 | tpar[1]=rF2; |
646 | tpar[2]=dF2/2.; |
647 | gMC->Gsvolu("YF21", "TUBE", idtmed[1758], tpar, 3); |
648 | gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY"); |
649 | |
650 | tpar[0]=rB2; |
651 | tpar[1]=rF2-d_flange; |
652 | tpar[2]=d_flange/2.; |
653 | gMC->Gsvolu("YF22", "TUBE", idtmed[1758], tpar, 3); |
654 | dz=-dF2/2.+tpar[2]; |
655 | gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY"); |
656 | dz= dF2/2.-tpar[2]; |
657 | gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY"); |
658 | |
659 | dz=dr21/2.-dr23/2.; |
660 | gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); |
661 | |
662 | |
663 | // |
664 | // pipe between flange and bellows |
665 | tpar[0]=rB2-d_tube; |
666 | tpar[1]=rB2; |
667 | tpar[2]=2.*(dB2+dr22-7.*lB2)/4.; |
668 | gMC->Gsvolu("YPF2", "TUBE", idtmed[1758], tpar, 3); |
669 | dz=dr21/2.-dr23/2.-dF2/2.-tpar[2]; |
670 | gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY"); |
671 | dz=dr21/2.-dr23/2.+dF2/2.+tpar[2]; |
672 | gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); |
673 | |
674 | // |
675 | // 4th section: rear shield and closing cone |
676 | // |
677 | par4[0] = 0.; |
678 | par4[1] = 360.; |
679 | par4[2] = 6.; |
680 | dl=(zvac12-zvac9)/2.; |
681 | |
682 | par4[3] = -dl; |
683 | par4[4] = r3; |
684 | par4[5] = 30.; |
685 | |
686 | par4[6] = -dl+(zvac10-zvac9); |
687 | par4[7] = r3+(zvac10-zvac9) * TMath::Tan(theta_open3); |
688 | par4[8] = 30.; |
689 | |
690 | par4[9] = par4[6]; |
691 | par4[10] = par4[7]; |
692 | par4[11] = R42; |
693 | |
694 | par4[12] = -dl+(zvac11-zvac9); |
695 | par4[13] = r3+(zvac11-zvac9) * TMath::Tan(theta_open3); |
696 | par4[14] = R42; |
697 | |
698 | par4[15] = par4[12]; |
699 | par4[16] = par4[13]; |
700 | par4[17] = R43; |
701 | |
702 | par4[18] = -dl+(zvac12-zvac9); |
703 | par4[19] = r_abs; |
704 | par4[20] = R43; |
705 | |
706 | gMC->Gsvolu("YGO4", "PCON", idtmed[1760], par4, 21); |
707 | for (Int_t i=4; i<20; i+=3) par4[i] = 0; |
708 | |
709 | |
710 | gMC->Gsvolu("YMO4", "PCON", idtmed[1755], par4, 21); |
711 | gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY"); |
712 | |
713 | |
714 | DZ+=dl; |
715 | gMC->Gspos("YMO4", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); |
716 | DZ+=dl; |
717 | // |
718 | // Closing concrete cone |
719 | // |
720 | cpar[0]=(zvac12-zvac11)/2.; |
721 | cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(theta_open3); |
722 | cpar[2] = cpar[1]+0.001; |
723 | cpar[3] = r_abs; |
724 | cpar[4] = cpar[2]; |
725 | gMC->Gsvolu("YCC4", "CONE", idtmed[1752], cpar, 5); |
726 | dz=dl-cpar[0]; |
727 | gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
728 | // |
729 | // Steel envelope |
730 | // |
731 | dz=-dl; |
732 | tpar[0]=26.; |
733 | tpar[1]=30.; |
734 | tpar[2]=(zvac10-zvac9)/2.; |
735 | gMC->Gsvolu("YS41", "TUBE", idtmed[1718], tpar, 3); |
736 | dz+=tpar[2]; |
737 | gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
738 | dz+=tpar[2]; |
739 | |
740 | tpar[0]=26.; |
741 | tpar[1]=R41; |
742 | tpar[2]=2.; |
743 | gMC->Gsvolu("YS42", "TUBE", idtmed[1718], tpar, 3); |
744 | dz+=tpar[2]; |
745 | gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
746 | dz+=tpar[2]; |
747 | |
748 | tpar[0]=R41-dRSteel2; |
749 | tpar[1]=R41; |
750 | tpar[2]=(zvac11-zvac10-4)/2.; |
751 | gMC->Gsvolu("YS43", "TUBE", idtmed[1718], tpar, 3); |
752 | dz+=tpar[2]; |
753 | gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
754 | // |
755 | // rear lead shield |
756 | // |
757 | tpar[0]=R41; |
758 | tpar[1]=R42; |
759 | tpar[2]=(zvac11-zvac10)/2.; |
760 | gMC->Gsvolu("YPBI", "TUBE", idtmed[1752], tpar, 3); |
761 | dz-=4; |
762 | gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
763 | |
764 | tpar[0]=R42-5; |
765 | tpar[1]=R42; |
766 | tpar[2]=(zvac11-zvac10)/2.; |
767 | gMC->Gsvolu("YPBO", "TUBE", idtmed[1712], tpar, 3); |
768 | gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY"); |
769 | |
770 | // |
771 | // rear Fe shield |
772 | // |
773 | |
774 | tpar[0]=R42; |
775 | tpar[1]=R43; |
776 | tpar[2]=(zvac12-zvac11)/2.; |
777 | gMC->Gsvolu("YFEI", "TUBE", idtmed[1749], tpar, 3); |
778 | dz=dl-tpar[2]; |
779 | gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY"); |
780 | |
781 | tpar[0]=R42; |
782 | tpar[1]=R43; |
783 | tpar[2]=2.5; |
784 | gMC->Gsvolu("YFEO", "TUBE", idtmed[1709], tpar, 3); |
785 | dz=-(zvac12-zvac11)/2.+tpar[2]; |
786 | gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY"); |
787 | |
788 | // |
789 | // 4th section: vacuum system |
790 | // |
791 | // up to closing cone |
792 | cpar0[0]=(zvac11-zvac9)/2; |
793 | cpar0[1]=r3-d_vacu; |
794 | cpar0[2]=r3; |
795 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open3); |
796 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open3); |
797 | gMC->Gsvolu("YV31", "CONE", idtmed[1758], cpar0, 5); |
798 | // |
799 | // insulation |
800 | cpar[0]=cpar0[0]; |
801 | cpar[1]=cpar0[1]+d_tube; |
802 | cpar[2]=cpar0[1]+d_tube+d_insu; |
803 | cpar[3]=cpar0[3]+d_tube; |
804 | cpar[4]=cpar0[3]+d_tube+d_insu; |
805 | gMC->Gsvolu("YI31", "CONE", idtmed[1753], cpar, 5); |
806 | gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY"); |
807 | // |
808 | // clearance |
809 | cpar[1]=cpar0[2]-d_prot-d_free; |
810 | cpar[2]=cpar0[2]-d_prot; |
811 | cpar[3]=cpar0[4]-d_prot-d_free; |
812 | cpar[4]=cpar0[4]-d_prot; |
813 | gMC->Gsvolu("YP31", "CONE", idtmed[1755], cpar, 5); |
814 | gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY"); |
815 | |
816 | dz=-dl+cpar[0]; |
817 | gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY"); |
818 | // |
819 | // closing cone |
820 | cpar0[0]=(zvac12-zvac11)/2; |
821 | cpar0[1]=r3-d_vacu+(zvac11-zvac9)*TMath::Tan(theta_open3); |
822 | cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(theta_open3); |
823 | cpar0[3]=r_vacu; |
824 | cpar0[4]=r_abs; |
825 | gMC->Gsvolu("YV32", "CONE", idtmed[1758], cpar0, 5); |
826 | // |
827 | // insulation |
828 | cpar[0]=cpar0[0]; |
829 | cpar[1]=cpar0[1]+d_tube; |
830 | cpar[2]=cpar0[1]+d_tube+d_insu; |
831 | cpar[3]=cpar0[3]+d_tube; |
832 | cpar[4]=cpar0[3]+d_tube+d_insu; |
833 | gMC->Gsvolu("YI32", "CONE", idtmed[1753], cpar, 5); |
834 | gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY"); |
835 | // |
836 | // clearance |
837 | cpar[1]=cpar0[2]-d_prot-d_free; |
838 | cpar[2]=cpar0[2]-d_prot; |
839 | cpar[3]=cpar0[4]-d_prot-d_free; |
840 | cpar[4]=cpar0[4]-d_prot; |
841 | gMC->Gsvolu("YP32", "CONE", idtmed[1755], cpar, 5); |
842 | gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY"); |
843 | |
844 | dz=dl-cpar[0]; |
845 | gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY"); |
846 | // |
847 | // |
848 | // MUON trigger wall |
849 | // |
850 | tpar[0] = 30.; |
851 | tpar[1] = 310.; |
852 | tpar[2] = (zfil_out - zfil_in) / 2.; |
853 | gMC->Gsvolu("YFIM", "TUBE", idtmed[1749], tpar, 3); |
854 | dz = (zfil_in + zfil_out) / 2.; |
855 | tpar[2] -= 10.; |
856 | gMC->Gsvolu("YFII","TUBE", idtmed[1709], tpar, 3); |
857 | gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY"); |
858 | gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
859 | // |
860 | // Shielding close to chamber |
861 | // |
862 | |
863 | cpar[0]=(zch1-dzch-1.-abs_l)/2.; |
864 | cpar[1]=R11; |
865 | cpar[2]=abs_l*TMath::Tan(acc_min); |
866 | cpar[3]=R11; |
867 | cpar[4]=(abs_l+2.*cpar[0])*TMath::Tan(acc_min); |
868 | gMC->Gsvolu("YCS1", "CONE", idtmed[1720], cpar, 5); |
869 | dz=abs_l+cpar[0]; |
870 | gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
871 | |
872 | cpar[0]=(zvac4-(zch1+dzch+1.))/2.; |
873 | cpar[1]=R11; |
874 | cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(acc_min); |
875 | cpar[3]=R11; |
876 | cpar[4]=zvac4*TMath::Tan(acc_min); |
877 | gMC->Gsvolu("YCS2", "CONE", idtmed[1720], cpar, 5); |
878 | dz=zvac4-cpar[0]; |
879 | gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
880 | |
881 | |
882 | cpar[0]=(zch2-dzch-1.-zvac4)/2.; |
883 | cpar[1]=R21; |
884 | cpar[2]=zvac4*TMath::Tan(acc_min); |
885 | cpar[3]=R21; |
886 | cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(acc_min); |
887 | gMC->Gsvolu("YCS3", "CONE", idtmed[1720], cpar, 5); |
888 | dz=zvac4+cpar[0]; |
889 | gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
890 | |
891 | |
892 | cpar[0]=(zvac6-(zch2+dzch+1.))/2.; |
893 | cpar[1]=R11; |
894 | cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(acc_min); |
895 | cpar[3]=R11; |
896 | cpar[4]=zvac6*TMath::Tan(acc_min); |
897 | gMC->Gsvolu("YCS4", "CONE", idtmed[1720], cpar, 5); |
898 | dz=zvac6-cpar[0]; |
899 | gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
900 | |
901 | } |
902 | |
903 | void AliSHILv0::Init() |
904 | { |
905 | // |
906 | // Initialise the muon shield after it has been built |
907 | // |
908 | Int_t i; |
909 | // |
910 | printf("\n"); |
911 | for(i=0;i<35;i++) printf("*"); |
912 | printf(" SHILv0_INIT "); |
913 | for(i=0;i<35;i++) printf("*"); |
914 | printf("\n"); |
915 | // |
916 | // Here the SHIL initialisation code (if any!) |
917 | for(i=0;i<80;i++) printf("*"); |
918 | printf("\n"); |
919 | } |
920 | |
921 | |
922 | |
923 | |
924 | |
925 | |
926 | |
927 | |
928 | |