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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 | $Log$ | |
74c0d076 | 18 | Revision 1.3 2000/01/17 10:29:30 morsch |
19 | Overlap between Shield and Absorber due to limited numerical precision removed | |
20 | by displacing the Shield by epsilon = 0.01 cm. | |
21 | ||
f0c34869 | 22 | Revision 1.2 2000/01/13 11:27:51 morsch |
23 | Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected | |
24 | ||
6d4aaa11 | 25 | Revision 1.1 2000/01/12 15:44:03 morsch |
26 | Standard version of SHIL | |
27 | ||
6523e275 | 28 | */ |
29 | ||
30 | /////////////////////////////////////////////////////////////////////////////// | |
31 | // // | |
32 | // Muon Shield Class // | |
33 | // This class contains a description of the muon shield // | |
34 | // // | |
35 | //Begin_Html | |
36 | /* | |
37 | <img src="picts/AliSHILClass.gif"> | |
38 | */ | |
39 | //End_Html | |
40 | // // | |
41 | // // | |
42 | /////////////////////////////////////////////////////////////////////////////// | |
43 | ||
44 | #include "AliSHILv0.h" | |
45 | #include "AliRun.h" | |
46 | #include "AliConst.h" | |
47 | ||
48 | ClassImp(AliSHILv0) | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliSHILv0::AliSHILv0() | |
52 | { | |
53 | // | |
54 | // Default constructor for muon shield | |
55 | // | |
56 | } | |
57 | ||
58 | //_____________________________________________________________________________ | |
59 | AliSHILv0::AliSHILv0(const char *name, const char *title) | |
60 | : AliSHIL(name,title) | |
61 | { | |
62 | // | |
63 | // Standard constructor for muon shield | |
64 | // | |
65 | SetMarkerColor(7); | |
66 | SetMarkerStyle(2); | |
67 | SetMarkerSize(0.4); | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | void AliSHILv0::CreateGeometry() | |
72 | { | |
73 | // | |
74 | // Build muon shield geometry | |
75 | // | |
76 | // | |
77 | //Begin_Html | |
78 | /* | |
79 | <img src="picts/AliSHILv0.gif"> | |
80 | */ | |
81 | //End_Html | |
82 | //Begin_Html | |
83 | /* | |
84 | <img src="picts/AliSHILv0Tree.gif"> | |
85 | */ | |
86 | //End_Html | |
87 | ||
88 | Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[21], par3[27], par4[21], par0[42]; | |
89 | Float_t dz, DZ; | |
90 | ||
91 | Int_t *idtmed = fIdtmed->GetArray()-1699; | |
92 | ||
93 | #include "ShieldConst.h" | |
94 | // | |
95 | // Mother volume | |
96 | // | |
f0c34869 | 97 | Float_t d_rear1=d_rear-epsilon; |
98 | ||
99 | Float_t zstart=abs_l-d_rear1; | |
100 | ||
6523e275 | 101 | par0[0] = 0.; |
102 | par0[1] = 360.; | |
103 | par0[2] = 13.; | |
104 | ||
f0c34869 | 105 | Float_t dl=(zvac12-zstart)/2.; |
106 | dz=zstart+dl; | |
6523e275 | 107 | // |
108 | par0[3] = -dl; | |
109 | par0[4] = 0.; | |
f0c34869 | 110 | par0[5] = zstart * TMath::Tan(acc_min); |
6523e275 | 111 | |
f0c34869 | 112 | par0[6] = -dl+d_rear1; |
6523e275 | 113 | par0[7] = 0.; |
114 | par0[8] = abs_l * TMath::Tan(acc_min); | |
115 | ||
f0c34869 | 116 | par0[9] = -dl+d_rear1; |
6523e275 | 117 | par0[10] = 0.; |
118 | par0[11] = R11; | |
119 | ||
120 | par0[12] = -dz+zvac4; | |
121 | par0[13] = 0.; | |
122 | par0[14] = R11; | |
123 | ||
124 | par0[15] = -dz+zvac4; | |
125 | par0[16] = 0.; | |
126 | par0[17] = R21; | |
127 | ||
128 | par0[18] = -dz+zvac6; | |
129 | par0[19] = 0.; | |
130 | par0[20] = R21; | |
131 | ||
132 | par0[21] = -dz+zvac6; | |
133 | par0[22] = 0.; | |
134 | par0[23] = zvac6 * TMath::Tan(acc_min); | |
135 | ||
136 | par0[24] = -dz+zcone_e; | |
137 | par0[25] = 0.; | |
138 | par0[26] = 30.; | |
139 | ||
140 | par0[27] = -dz+zvac10; | |
141 | par0[28] = 0.; | |
142 | par0[29] = 30.; | |
143 | ||
144 | par0[30] = -dz+zvac10; | |
145 | par0[31] = 0.; | |
146 | par0[32] = R42; | |
147 | ||
148 | par0[33] = -dz+zvac11; | |
149 | par0[34] = 0.; | |
150 | par0[35] = R42; | |
151 | ||
152 | par0[36] = -dz+zvac11; | |
153 | par0[37] = 0.; | |
154 | par0[38] = R43; | |
155 | ||
156 | par0[39] = -dz+zvac12; | |
157 | par0[40] = 0.; | |
158 | par0[41] = R43; | |
159 | ||
160 | gMC->Gsvolu("YMOT", "PCON", idtmed[1755], par0, 42); | |
f0c34869 | 161 | dz=zstart+dl; |
6523e275 | 162 | gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
163 | // | |
164 | ||
165 | DZ=-dl; | |
166 | ||
167 | // | |
168 | // First section: bellows below and behind front absorber | |
169 | // | |
170 | // | |
171 | ||
172 | par1[0] = 0.; | |
173 | par1[1] = 360.; | |
174 | par1[2] = 12.; | |
f0c34869 | 175 | dl=(zvac4-zstart)/2.; |
6523e275 | 176 | |
177 | par1[3] = -dl; | |
f0c34869 | 178 | par1[4] = r_abs+(zstart-abs_c) * TMath::Tan(theta_open1); |
179 | par1[5] = zstart * TMath::Tan(acc_min); | |
6523e275 | 180 | |
f0c34869 | 181 | par1[6] = -dl+zvac1-zstart; |
6523e275 | 182 | par1[7] = r_abs+ (zvac1-abs_c) * TMath::Tan(theta_open1); |
183 | par1[8] = zvac1 * TMath::Tan(acc_min); | |
184 | ||
185 | par1[9] = par1[6]+dr11; | |
186 | par1[10] = par1[7]+dr11; | |
187 | par1[11] = (zvac1+dr11) * TMath::Tan(acc_min); | |
188 | ||
f0c34869 | 189 | par1[12] = -dl+d_rear1; |
6523e275 | 190 | par1[13] = par1[10]; |
191 | par1[14] = abs_l * TMath::Tan(acc_min); | |
192 | ||
f0c34869 | 193 | par1[15] = -dl+d_rear1; |
6523e275 | 194 | par1[16] = par1[10]; |
195 | par1[17] = R11; | |
196 | ||
f0c34869 | 197 | par1[18] = -dl+(zvac1+dr11+dB1-zstart); |
6523e275 | 198 | par1[19] = par1[16]; |
199 | par1[20] = R11; | |
200 | ||
201 | par1[21] = par1[18]+dr12; | |
202 | par1[22] = par1[19]+dr12; | |
203 | par1[23] = R11; | |
204 | ||
205 | par1[24] = par1[21]+dF1; | |
206 | par1[25] = par1[22]; | |
207 | par1[26] = R11; | |
208 | ||
209 | par1[27] = par1[24]+dr12; | |
210 | par1[28] = par1[25]-dr12; | |
211 | par1[29] = R11; | |
212 | ||
213 | par1[30] = par1[27]+dB1; | |
214 | par1[31] = par1[28]; | |
215 | par1[32] = R11; | |
216 | ||
217 | par1[33] = par1[30]+dr13; | |
218 | par1[34] = par1[31]-dr13; | |
219 | par1[35] = R11; | |
220 | ||
f0c34869 | 221 | par1[36] = -dl+zvac4-zstart; |
6523e275 | 222 | par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(theta_open2); |
223 | par1[38] = R11; | |
224 | ||
225 | Float_t r2=par1[34]; | |
226 | ||
227 | gMC->Gsvolu("YGO1", "PCON", idtmed[1760], par1, 39); | |
228 | ||
74c0d076 | 229 | { // Begin local scope for i |
230 | for (Int_t i=4; i<38; i+=3) par1[i] = 0; | |
231 | } // End local scope for i | |
6523e275 | 232 | gMC->Gsvolu("YMO1", "PCON", idtmed[1755], par1, 39); |
233 | ||
234 | gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY"); | |
235 | ||
236 | DZ+=dl; | |
237 | gMC->Gspos("YMO1", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); | |
238 | DZ+=dl; | |
239 | ||
240 | // | |
241 | // Steel envelope | |
242 | tpar[0]=R11-dRSteel1; | |
243 | tpar[1]=R11; | |
f0c34869 | 244 | tpar[2]=dl-d_rear1/2; |
6523e275 | 245 | gMC->Gsvolu("YSE1", "TUBE", idtmed[1718], tpar, 3); |
246 | dz=dl-tpar[2]; | |
247 | ||
248 | gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY"); | |
249 | ||
250 | // | |
251 | // 1st section: vacuum system | |
252 | // | |
253 | // | |
254 | // Bellow 1 | |
255 | // | |
256 | tpar[0]=rB1; | |
257 | tpar[1]=rB1+hB1; | |
258 | tpar[2]=eB1/2.; | |
259 | gMC->Gsvolu("YB11", "TUBE", idtmed[1758], tpar, 3); | |
260 | Float_t dl1=tpar[2]; | |
261 | ||
262 | tpar[0]=rB1+hB1-eB1; | |
263 | tpar[1]=rB1+hB1; | |
264 | tpar[2]=(lB1/2.-2.*eB1)/2.; | |
265 | gMC->Gsvolu("YB12", "TUBE", idtmed[1758], tpar, 3); | |
266 | Float_t dl2=tpar[2]; | |
267 | ||
268 | tpar[0]=rB1-eB1; | |
269 | tpar[1]=rB1; | |
270 | tpar[2]=lB1/8.; | |
271 | gMC->Gsvolu("YB13", "TUBE", idtmed[1758], tpar, 3); | |
272 | Float_t dl3=tpar[2]; | |
273 | ||
274 | ||
275 | tpar[0]=0; | |
276 | tpar[1]=rB1+hB1; | |
277 | tpar[2]=lB1/2.; | |
278 | gMC->Gsvolu("YBU1", "TUBE", idtmed[1755], tpar, 3); | |
279 | ||
280 | dz=-tpar[2]+dl3; | |
281 | gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY"); | |
282 | dz+=dl3; | |
283 | dz+=dl1; | |
284 | gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY"); | |
285 | dz+=dl1; | |
286 | dz+=dl2; | |
287 | gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY"); | |
288 | dz+=dl2; | |
289 | dz+=dl1; | |
290 | gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY"); | |
291 | dz+=dl1; | |
292 | dz+=dl3; | |
293 | gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY"); | |
294 | ||
295 | ||
296 | tpar[0]=0; | |
297 | tpar[1]=rB1+hB1; | |
298 | tpar[2]=10.*lB1/2.; | |
299 | gMC->Gsvolu("YBM1", "TUBE", idtmed[1755], tpar, 3); | |
300 | dz=-tpar[2]+lB1/2.; | |
74c0d076 | 301 | { // Begin local scope for i |
302 | for (Int_t i=0; i<10; i++) { | |
6523e275 | 303 | gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0.,dz , 0, "ONLY"); |
304 | dz+=lB1; | |
74c0d076 | 305 | } |
306 | } // End local scope for i | |
f0c34869 | 307 | dz=-dl+(zvac1-zstart)+dr11+tpar[2]; |
6523e275 | 308 | gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
309 | ||
310 | dz=dl-dr13-(zvac4-zvac3)-tpar[2]-(dr11-dr13); | |
311 | gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); | |
312 | ||
313 | // | |
314 | // Flange | |
315 | ||
316 | tpar[0]=0; | |
317 | tpar[1]=rF1; | |
318 | tpar[2]=dF1/2.; | |
319 | gMC->Gsvolu("YFM1", "TUBE", idtmed[1755], tpar, 3); | |
320 | ||
321 | tpar[0]=rF1-d_flange; | |
322 | tpar[1]=rF1; | |
323 | tpar[2]=dF1/2.; | |
324 | gMC->Gsvolu("YF11", "TUBE", idtmed[1758], tpar, 3); | |
325 | gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY"); | |
326 | ||
327 | tpar[0]=rB1; | |
328 | tpar[1]=rF1-d_flange; | |
329 | tpar[2]=d_flange/2.; | |
330 | gMC->Gsvolu("YF12", "TUBE", idtmed[1758], tpar, 3); | |
331 | dz=-dF1/2.+tpar[2]; | |
332 | gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY"); | |
333 | dz= dF1/2.-tpar[2]; | |
334 | gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY"); | |
335 | ||
f0c34869 | 336 | dz=-dl+(zvac2-zstart); |
6523e275 | 337 | gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); |
338 | ||
339 | ||
340 | // | |
341 | // pipe between flange and bellows | |
342 | tpar[0]=rB1-d_tube; | |
343 | tpar[1]=rB1; | |
344 | tpar[2]=2.*(dB1+dr12-10.*lB1)/4.; | |
345 | gMC->Gsvolu("YPF1", "TUBE", idtmed[1758], tpar, 3); | |
f0c34869 | 346 | dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2]; |
6523e275 | 347 | gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY"); |
f0c34869 | 348 | dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2]; |
6523e275 | 349 | gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY"); |
350 | ||
351 | // | |
352 | // pipe and heating jackets outside bellows | |
353 | // | |
354 | // left side | |
f0c34869 | 355 | cpar0[0]=(zvac1-zstart)/2; |
356 | cpar0[1]=r_vacu+(zstart-abs_c)*TMath::Tan(theta_open1); | |
357 | cpar0[2]=r_abs +(zstart-abs_c)*TMath::Tan(theta_open1); | |
6523e275 | 358 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open1); |
359 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open1); | |
360 | gMC->Gsvolu("YV11", "CONE", idtmed[1758], cpar0, 5); | |
361 | // | |
362 | // insulation | |
363 | cpar[0]=cpar0[0]; | |
364 | cpar[1]=cpar0[1]+d_tube; | |
365 | cpar[2]=cpar0[1]+d_tube+d_insu; | |
366 | cpar[3]=cpar0[3]+d_tube; | |
367 | cpar[4]=cpar0[3]+d_tube+d_insu; | |
368 | gMC->Gsvolu("YI11", "CONE", idtmed[1753], cpar, 5); | |
369 | gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY"); | |
370 | // | |
371 | // clearance | |
372 | cpar[1]=cpar0[2]-d_prot-d_free; | |
373 | cpar[2]=cpar0[2]-d_prot; | |
374 | cpar[3]=cpar0[4]-d_prot-d_free; | |
375 | cpar[4]=cpar0[4]-d_prot; | |
376 | gMC->Gsvolu("YP11", "CONE", idtmed[1755], cpar, 5); | |
377 | gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY"); | |
378 | ||
379 | dz=-dl+cpar0[0]; | |
380 | gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY"); | |
381 | ||
382 | // right side | |
383 | cpar0[0]=(zvac4-zvac3)/2; | |
384 | cpar0[1]=r2-d_vacu; | |
385 | cpar0[2]=r2 ; | |
386 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open2); | |
387 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open2); | |
388 | gMC->Gsvolu("YV12", "CONE", idtmed[1758], cpar0, 5); | |
389 | // | |
390 | // insulation | |
391 | cpar[0]=cpar0[0]; | |
392 | cpar[1]=cpar0[1]+d_tube; | |
393 | cpar[2]=cpar0[1]+d_tube+d_insu; | |
394 | cpar[3]=cpar0[3]+d_tube; | |
395 | cpar[4]=cpar0[3]+d_tube+d_insu; | |
396 | gMC->Gsvolu("YI12", "CONE", idtmed[1753], cpar, 5); | |
397 | gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY"); | |
398 | // | |
399 | // clearance | |
400 | cpar[1]=cpar0[2]-d_prot-d_free; | |
401 | cpar[2]=cpar0[2]-d_prot; | |
402 | cpar[3]=cpar0[4]-d_prot-d_free; | |
403 | cpar[4]=cpar0[4]-d_prot; | |
404 | gMC->Gsvolu("YP12", "CONE", idtmed[1755], cpar, 5); | |
405 | gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY"); | |
406 | ||
407 | dz=dl-cpar0[0]; | |
408 | gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY"); | |
409 | ||
410 | // | |
411 | // Second Section | |
412 | ||
413 | par2[0] = 0.; | |
414 | par2[1] = 360.; | |
415 | par2[2] = 6.; | |
416 | dl=(zvac7-zvac4)/2.; | |
417 | ||
418 | par2[3] = -dl; | |
6d4aaa11 | 419 | par2[4] = r2+(zvac4-zvac3) * TMath::Tan(theta_open2); |
6523e275 | 420 | par2[5] = R11; |
421 | ||
422 | par2[6] = -dl; | |
423 | par2[7] = par2[4]; | |
424 | par2[8] = R21; | |
425 | ||
426 | par2[9] = -dl+(zvac6-zvac4); | |
427 | par2[10] = r2+(zvac6-zvac3) * TMath::Tan(theta_open2); | |
428 | par2[11] = R21; | |
429 | ||
430 | par2[12] = -dl+(zvac6-zvac4); | |
431 | par2[13] = par2[10]; | |
432 | par2[14] = zvac6*TMath::Tan(acc_min); | |
433 | ||
434 | par2[15] = -dl+(zcone_e-zvac4); | |
435 | par2[16] = r2+(zcone_e-zvac3) * TMath::Tan(theta_open2); | |
436 | par2[17] = 30.; | |
437 | ||
438 | par2[18] = -dl+(zvac7-zvac4); | |
439 | par2[19] = r2+(zvac7-zvac3) * TMath::Tan(theta_open2); | |
440 | par2[20] = 30.; | |
441 | ||
442 | ||
443 | gMC->Gsvolu("YGO2", "PCON", idtmed[1760], par2, 21); | |
444 | ||
74c0d076 | 445 | { // Begin local scope for i |
446 | for (Int_t i=4; i<20; i+=3) par2[i] = 0; | |
447 | } // End local scope for i | |
6523e275 | 448 | |
449 | gMC->Gsvolu("YMO2", "PCON", idtmed[1755], par2, 21); | |
450 | gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY"); | |
451 | ||
452 | DZ+=dl; | |
453 | gMC->Gspos("YMO2", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); | |
454 | DZ+=dl; | |
455 | // | |
456 | // Steel envelope | |
457 | // | |
6d4aaa11 | 458 | tpar[0]=R11-dRSteel1; |
6523e275 | 459 | tpar[1]=R21; |
460 | tpar[2]=2; | |
461 | gMC->Gsvolu("YS21", "TUBE", idtmed[1718], tpar, 3); | |
462 | dz=-dl+tpar[2]; | |
463 | gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY"); | |
464 | dz+=tpar[2]; | |
465 | tpar[0]=R21-dRSteel2; | |
466 | tpar[1]=R21; | |
467 | tpar[2]=(zvac6-zvac5)/2.; | |
468 | gMC->Gsvolu("YS22", "TUBE", idtmed[1718], tpar, 3); | |
469 | dz+=tpar[2]; | |
470 | gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY"); | |
471 | dz+=tpar[2]; | |
472 | ||
473 | cpar[0]=2.; | |
474 | cpar[1]=R21-dRSteel2; | |
475 | cpar[2]=zvac6 * TMath::Tan(acc_min); | |
476 | cpar[3]=cpar[1]; | |
477 | cpar[4]=cpar[2]+4.*TMath::Tan(acc_min); | |
478 | ||
479 | gMC->Gsvolu("YS23", "CONE", idtmed[1718], cpar, 5); | |
480 | dz+=cpar[0]; | |
481 | gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY"); | |
482 | dz+=cpar[0]; | |
483 | ||
484 | cpar[0]=(zcone_e-zvac6-4.)/2; | |
485 | cpar[2]=cpar[4]; | |
486 | cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(acc_min); | |
487 | cpar[1]=cpar[2]-dRSteel2; | |
488 | cpar[3]=cpar[4]-dRSteel2; | |
489 | ||
490 | gMC->Gsvolu("YS24", "CONE", idtmed[1718], cpar, 5); | |
491 | dz+=cpar[0]; | |
492 | gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY"); | |
493 | dz+=cpar[0]; | |
494 | ||
495 | tpar[0]=26.; | |
496 | tpar[1]=30.; | |
497 | tpar[2]=(zvac7-zcone_e)/2.; | |
498 | ||
499 | gMC->Gsvolu("YS25", "TUBE", idtmed[1718], tpar, 3); | |
500 | dz+=tpar[2]; | |
501 | gMC->Gspos("YS25", 1, "YGO2", 0., 0., dz, 0, "ONLY"); | |
502 | dz+=tpar[2]; | |
503 | ||
504 | // | |
505 | // 2nd section: vacuum system | |
506 | ||
507 | cpar0[0]=(zvac7-zvac4)/2; | |
508 | cpar0[1]=r2-d_vacu+(zvac4-zvac3)*TMath::Tan(theta_open2); | |
509 | cpar0[2]=r2 +(zvac4-zvac3)*TMath::Tan(theta_open2); | |
510 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open2); | |
511 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open2); | |
512 | gMC->Gsvolu("YV21", "CONE", idtmed[1758], cpar0, 5); | |
513 | // | |
514 | // insulation | |
515 | cpar[0]=cpar0[0]; | |
516 | cpar[1]=cpar0[1]+d_tube; | |
517 | cpar[2]=cpar0[1]+d_tube+d_insu; | |
518 | cpar[3]=cpar0[3]+d_tube; | |
519 | cpar[4]=cpar0[3]+d_tube+d_insu; | |
520 | gMC->Gsvolu("YI21", "CONE", idtmed[1753], cpar, 5); | |
521 | gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY"); | |
522 | // | |
523 | // clearance | |
524 | cpar[1]=cpar0[2]-d_prot-d_free; | |
525 | cpar[2]=cpar0[2]-d_prot; | |
526 | cpar[3]=cpar0[4]-d_prot-d_free; | |
527 | cpar[4]=cpar0[4]-d_prot; | |
528 | gMC->Gsvolu("YP21", "CONE", idtmed[1755], cpar, 5); | |
529 | gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY"); | |
530 | ||
531 | dz=0.; | |
532 | gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY"); | |
533 | ||
534 | // | |
535 | // Third Section: Bellows and Flange | |
536 | // | |
537 | par3[0] = 0.; | |
538 | par3[1] = 360.; | |
539 | par3[2] = 8.; | |
540 | dl=(zvac9-zvac7)/2.; | |
541 | ||
542 | par3[3] = -dl; | |
543 | par3[4] = r2+(zvac7-zvac3) * TMath::Tan(theta_open2); | |
544 | par3[5] = 30.; | |
545 | ||
546 | par3[6] = -dl+dr21; | |
547 | par3[7] = par3[4]+dr21; | |
548 | par3[8] = 30.; | |
549 | ||
550 | par3[9] = par3[6]+dB2; | |
551 | par3[10] = par3[7]; | |
552 | par3[11] = 30.; | |
553 | ||
554 | par3[12] = par3[9]+dr22; | |
555 | par3[13] = par3[10]+dr22; | |
556 | par3[14] = 30.; | |
557 | ||
558 | par3[15] = par3[12]+dF2; | |
559 | par3[16] = par3[13]; | |
560 | par3[17] = 30.; | |
561 | ||
562 | par3[18] = par3[15]+dr22; | |
563 | par3[19] = par3[16]-dr22; | |
564 | par3[20] = 30.; | |
565 | ||
566 | par3[21] = par3[18]+dB2; | |
567 | par3[22] = par3[19]; | |
568 | par3[23] = 30.; | |
569 | ||
570 | par3[24] = par3[21]+dr23; | |
571 | par3[25] = par3[22]-dr23; | |
572 | par3[26] = 30.; | |
573 | ||
574 | Float_t r3=par3[25]; | |
575 | ||
576 | gMC->Gsvolu("YGO3", "PCON", idtmed[1760], par3, 27); | |
577 | ||
74c0d076 | 578 | { // Begin local scope for i |
579 | for (Int_t i=4; i<26; i+=3) par3[i] = 0; | |
580 | } // End local scope for i | |
6523e275 | 581 | |
582 | gMC->Gsvolu("YMO3", "PCON", idtmed[1755], par3, 27); | |
583 | gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY"); | |
584 | ||
585 | // | |
586 | // Steel envelope | |
587 | tpar[0]=26; | |
588 | tpar[1]=30; | |
589 | tpar[2]=dl; | |
590 | gMC->Gsvolu("YS31", "TUBE", idtmed[1718], tpar, 3); | |
591 | gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY"); | |
592 | DZ+=dl; | |
593 | gMC->Gspos("YMO3", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); | |
594 | DZ+=dl; | |
595 | ||
596 | // | |
597 | // 3rd section: vacuum system | |
598 | // | |
599 | // | |
600 | // Bellow2 | |
601 | // | |
602 | tpar[0]=rB2; | |
603 | tpar[1]=rB2+hB2; | |
604 | tpar[2]=eB2/2.; | |
605 | gMC->Gsvolu("YB21", "TUBE", idtmed[1758], tpar, 3); | |
606 | dl1=tpar[2]; | |
607 | ||
608 | tpar[0]=rB2+hB2-eB2; | |
609 | tpar[1]=rB2+hB2; | |
610 | tpar[2]=(lB2/2.-2.*eB2)/2.; | |
611 | gMC->Gsvolu("YB22", "TUBE", idtmed[1758], tpar, 3); | |
612 | dl2=tpar[2]; | |
613 | ||
614 | tpar[0]=rB2-eB2; | |
615 | tpar[1]=rB2; | |
616 | tpar[2]=lB2/8.; | |
617 | gMC->Gsvolu("YB23", "TUBE", idtmed[1758], tpar, 3); | |
618 | dl3=tpar[2]; | |
619 | ||
620 | ||
621 | tpar[0]=0; | |
622 | tpar[1]=rB2+hB2; | |
623 | tpar[2]=lB2/2.; | |
624 | gMC->Gsvolu("YBU2", "TUBE", idtmed[1755], tpar, 3); | |
625 | ||
626 | dz=-tpar[2]+dl3; | |
627 | gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY"); | |
628 | dz+=dl3; | |
629 | dz+=dl1; | |
630 | gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY"); | |
631 | dz+=dl1; | |
632 | dz+=dl2; | |
633 | gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY"); | |
634 | dz+=dl2; | |
635 | dz+=dl1; | |
636 | gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY"); | |
637 | dz+=dl1; | |
638 | dz+=dl3; | |
639 | gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY"); | |
640 | ||
641 | ||
642 | tpar[0]=0; | |
643 | tpar[1]=rB2+hB2; | |
644 | tpar[2]=7.*lB2/2.; | |
645 | gMC->Gsvolu("YBM2", "TUBE", idtmed[1755], tpar, 3); | |
646 | dz=-tpar[2]+lB2/2.; | |
74c0d076 | 647 | { // Begin local scope for i |
648 | for (Int_t i=0; i<7; i++) { | |
6523e275 | 649 | gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY"); |
650 | dz+=lB2; | |
74c0d076 | 651 | } |
652 | } // End local scope for i | |
6523e275 | 653 | |
654 | dz=-dl+dr21+tpar[2]; | |
655 | gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY"); | |
656 | ||
657 | dz=dl-dr23-tpar[2]; | |
658 | gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); | |
659 | ||
660 | // | |
661 | // Flange | |
662 | ||
663 | tpar[0]=0; | |
664 | tpar[1]=rF2; | |
665 | tpar[2]=dF2/2.; | |
666 | gMC->Gsvolu("YFM2", "TUBE", idtmed[1755], tpar, 3); | |
667 | ||
668 | tpar[0]=rF2-d_flange; | |
669 | tpar[1]=rF2; | |
670 | tpar[2]=dF2/2.; | |
671 | gMC->Gsvolu("YF21", "TUBE", idtmed[1758], tpar, 3); | |
672 | gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY"); | |
673 | ||
674 | tpar[0]=rB2; | |
675 | tpar[1]=rF2-d_flange; | |
676 | tpar[2]=d_flange/2.; | |
677 | gMC->Gsvolu("YF22", "TUBE", idtmed[1758], tpar, 3); | |
678 | dz=-dF2/2.+tpar[2]; | |
679 | gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY"); | |
680 | dz= dF2/2.-tpar[2]; | |
681 | gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY"); | |
682 | ||
683 | dz=dr21/2.-dr23/2.; | |
684 | gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); | |
685 | ||
686 | ||
687 | // | |
688 | // pipe between flange and bellows | |
689 | tpar[0]=rB2-d_tube; | |
690 | tpar[1]=rB2; | |
691 | tpar[2]=2.*(dB2+dr22-7.*lB2)/4.; | |
692 | gMC->Gsvolu("YPF2", "TUBE", idtmed[1758], tpar, 3); | |
693 | dz=dr21/2.-dr23/2.-dF2/2.-tpar[2]; | |
694 | gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY"); | |
695 | dz=dr21/2.-dr23/2.+dF2/2.+tpar[2]; | |
696 | gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY"); | |
697 | ||
698 | // | |
699 | // 4th section: rear shield and closing cone | |
700 | // | |
701 | par4[0] = 0.; | |
702 | par4[1] = 360.; | |
703 | par4[2] = 6.; | |
704 | dl=(zvac12-zvac9)/2.; | |
705 | ||
706 | par4[3] = -dl; | |
707 | par4[4] = r3; | |
708 | par4[5] = 30.; | |
709 | ||
710 | par4[6] = -dl+(zvac10-zvac9); | |
711 | par4[7] = r3+(zvac10-zvac9) * TMath::Tan(theta_open3); | |
712 | par4[8] = 30.; | |
713 | ||
714 | par4[9] = par4[6]; | |
715 | par4[10] = par4[7]; | |
716 | par4[11] = R42; | |
717 | ||
718 | par4[12] = -dl+(zvac11-zvac9); | |
719 | par4[13] = r3+(zvac11-zvac9) * TMath::Tan(theta_open3); | |
720 | par4[14] = R42; | |
721 | ||
722 | par4[15] = par4[12]; | |
723 | par4[16] = par4[13]; | |
724 | par4[17] = R43; | |
725 | ||
726 | par4[18] = -dl+(zvac12-zvac9); | |
727 | par4[19] = r_abs; | |
728 | par4[20] = R43; | |
729 | ||
730 | gMC->Gsvolu("YGO4", "PCON", idtmed[1760], par4, 21); | |
74c0d076 | 731 | { // Begin local scope for i |
732 | for (Int_t i=4; i<20; i+=3) par4[i] = 0; | |
733 | } // End local scope for i | |
6523e275 | 734 | |
735 | ||
736 | gMC->Gsvolu("YMO4", "PCON", idtmed[1755], par4, 21); | |
737 | gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY"); | |
738 | ||
739 | ||
740 | DZ+=dl; | |
741 | gMC->Gspos("YMO4", 1, "YMOT", 0., 0., DZ, 0, "ONLY"); | |
742 | DZ+=dl; | |
743 | // | |
744 | // Closing concrete cone | |
745 | // | |
746 | cpar[0]=(zvac12-zvac11)/2.; | |
747 | cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(theta_open3); | |
748 | cpar[2] = cpar[1]+0.001; | |
749 | cpar[3] = r_abs; | |
750 | cpar[4] = cpar[2]; | |
751 | gMC->Gsvolu("YCC4", "CONE", idtmed[1752], cpar, 5); | |
752 | dz=dl-cpar[0]; | |
753 | gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
754 | // | |
755 | // Steel envelope | |
756 | // | |
757 | dz=-dl; | |
758 | tpar[0]=26.; | |
759 | tpar[1]=30.; | |
760 | tpar[2]=(zvac10-zvac9)/2.; | |
761 | gMC->Gsvolu("YS41", "TUBE", idtmed[1718], tpar, 3); | |
762 | dz+=tpar[2]; | |
763 | gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
764 | dz+=tpar[2]; | |
765 | ||
766 | tpar[0]=26.; | |
767 | tpar[1]=R41; | |
768 | tpar[2]=2.; | |
769 | gMC->Gsvolu("YS42", "TUBE", idtmed[1718], tpar, 3); | |
770 | dz+=tpar[2]; | |
771 | gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
772 | dz+=tpar[2]; | |
773 | ||
774 | tpar[0]=R41-dRSteel2; | |
775 | tpar[1]=R41; | |
776 | tpar[2]=(zvac11-zvac10-4)/2.; | |
777 | gMC->Gsvolu("YS43", "TUBE", idtmed[1718], tpar, 3); | |
778 | dz+=tpar[2]; | |
779 | gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
780 | // | |
781 | // rear lead shield | |
782 | // | |
783 | tpar[0]=R41; | |
784 | tpar[1]=R42; | |
785 | tpar[2]=(zvac11-zvac10)/2.; | |
786 | gMC->Gsvolu("YPBI", "TUBE", idtmed[1752], tpar, 3); | |
787 | dz-=4; | |
788 | gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
789 | ||
790 | tpar[0]=R42-5; | |
791 | tpar[1]=R42; | |
792 | tpar[2]=(zvac11-zvac10)/2.; | |
793 | gMC->Gsvolu("YPBO", "TUBE", idtmed[1712], tpar, 3); | |
794 | gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY"); | |
795 | ||
796 | // | |
797 | // rear Fe shield | |
798 | // | |
799 | ||
800 | tpar[0]=R42; | |
801 | tpar[1]=R43; | |
802 | tpar[2]=(zvac12-zvac11)/2.; | |
803 | gMC->Gsvolu("YFEI", "TUBE", idtmed[1749], tpar, 3); | |
804 | dz=dl-tpar[2]; | |
805 | gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY"); | |
806 | ||
807 | tpar[0]=R42; | |
808 | tpar[1]=R43; | |
809 | tpar[2]=2.5; | |
810 | gMC->Gsvolu("YFEO", "TUBE", idtmed[1709], tpar, 3); | |
811 | dz=-(zvac12-zvac11)/2.+tpar[2]; | |
812 | gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY"); | |
813 | ||
814 | // | |
815 | // 4th section: vacuum system | |
816 | // | |
817 | // up to closing cone | |
818 | cpar0[0]=(zvac11-zvac9)/2; | |
819 | cpar0[1]=r3-d_vacu; | |
820 | cpar0[2]=r3; | |
821 | cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(theta_open3); | |
822 | cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(theta_open3); | |
823 | gMC->Gsvolu("YV31", "CONE", idtmed[1758], cpar0, 5); | |
824 | // | |
825 | // insulation | |
826 | cpar[0]=cpar0[0]; | |
827 | cpar[1]=cpar0[1]+d_tube; | |
828 | cpar[2]=cpar0[1]+d_tube+d_insu; | |
829 | cpar[3]=cpar0[3]+d_tube; | |
830 | cpar[4]=cpar0[3]+d_tube+d_insu; | |
831 | gMC->Gsvolu("YI31", "CONE", idtmed[1753], cpar, 5); | |
832 | gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY"); | |
833 | // | |
834 | // clearance | |
835 | cpar[1]=cpar0[2]-d_prot-d_free; | |
836 | cpar[2]=cpar0[2]-d_prot; | |
837 | cpar[3]=cpar0[4]-d_prot-d_free; | |
838 | cpar[4]=cpar0[4]-d_prot; | |
839 | gMC->Gsvolu("YP31", "CONE", idtmed[1755], cpar, 5); | |
840 | gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY"); | |
841 | ||
842 | dz=-dl+cpar[0]; | |
843 | gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY"); | |
844 | // | |
845 | // closing cone | |
846 | cpar0[0]=(zvac12-zvac11)/2; | |
847 | cpar0[1]=r3-d_vacu+(zvac11-zvac9)*TMath::Tan(theta_open3); | |
848 | cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(theta_open3); | |
849 | cpar0[3]=r_vacu; | |
850 | cpar0[4]=r_abs; | |
851 | gMC->Gsvolu("YV32", "CONE", idtmed[1758], cpar0, 5); | |
852 | // | |
853 | // insulation | |
854 | cpar[0]=cpar0[0]; | |
855 | cpar[1]=cpar0[1]+d_tube; | |
856 | cpar[2]=cpar0[1]+d_tube+d_insu; | |
857 | cpar[3]=cpar0[3]+d_tube; | |
858 | cpar[4]=cpar0[3]+d_tube+d_insu; | |
859 | gMC->Gsvolu("YI32", "CONE", idtmed[1753], cpar, 5); | |
860 | gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY"); | |
861 | // | |
862 | // clearance | |
863 | cpar[1]=cpar0[2]-d_prot-d_free; | |
864 | cpar[2]=cpar0[2]-d_prot; | |
865 | cpar[3]=cpar0[4]-d_prot-d_free; | |
866 | cpar[4]=cpar0[4]-d_prot; | |
867 | gMC->Gsvolu("YP32", "CONE", idtmed[1755], cpar, 5); | |
868 | gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY"); | |
869 | ||
870 | dz=dl-cpar[0]; | |
871 | gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY"); | |
872 | // | |
873 | // | |
874 | // MUON trigger wall | |
875 | // | |
876 | tpar[0] = 30.; | |
877 | tpar[1] = 310.; | |
878 | tpar[2] = (zfil_out - zfil_in) / 2.; | |
879 | gMC->Gsvolu("YFIM", "TUBE", idtmed[1749], tpar, 3); | |
880 | dz = (zfil_in + zfil_out) / 2.; | |
881 | tpar[2] -= 10.; | |
882 | gMC->Gsvolu("YFII","TUBE", idtmed[1709], tpar, 3); | |
883 | gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY"); | |
884 | gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY"); | |
885 | // | |
886 | // Shielding close to chamber | |
887 | // | |
888 | ||
889 | cpar[0]=(zch1-dzch-1.-abs_l)/2.; | |
890 | cpar[1]=R11; | |
891 | cpar[2]=abs_l*TMath::Tan(acc_min); | |
892 | cpar[3]=R11; | |
893 | cpar[4]=(abs_l+2.*cpar[0])*TMath::Tan(acc_min); | |
894 | gMC->Gsvolu("YCS1", "CONE", idtmed[1720], cpar, 5); | |
895 | dz=abs_l+cpar[0]; | |
896 | gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY"); | |
897 | ||
898 | cpar[0]=(zvac4-(zch1+dzch+1.))/2.; | |
899 | cpar[1]=R11; | |
900 | cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(acc_min); | |
901 | cpar[3]=R11; | |
6d4aaa11 | 902 | cpar[4]=R21; |
6523e275 | 903 | gMC->Gsvolu("YCS2", "CONE", idtmed[1720], cpar, 5); |
904 | dz=zvac4-cpar[0]; | |
905 | gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY"); | |
906 | ||
907 | ||
908 | cpar[0]=(zch2-dzch-1.-zvac4)/2.; | |
909 | cpar[1]=R21; | |
910 | cpar[2]=zvac4*TMath::Tan(acc_min); | |
911 | cpar[3]=R21; | |
912 | cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(acc_min); | |
913 | gMC->Gsvolu("YCS3", "CONE", idtmed[1720], cpar, 5); | |
914 | dz=zvac4+cpar[0]; | |
915 | gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY"); | |
916 | ||
917 | ||
918 | cpar[0]=(zvac6-(zch2+dzch+1.))/2.; | |
6d4aaa11 | 919 | cpar[1]=R21; |
6523e275 | 920 | cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(acc_min); |
6d4aaa11 | 921 | cpar[3]=R21; |
6523e275 | 922 | cpar[4]=zvac6*TMath::Tan(acc_min); |
923 | gMC->Gsvolu("YCS4", "CONE", idtmed[1720], cpar, 5); | |
924 | dz=zvac6-cpar[0]; | |
925 | gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY"); | |
926 | ||
927 | } | |
928 | ||
929 | void AliSHILv0::Init() | |
930 | { | |
931 | // | |
932 | // Initialise the muon shield after it has been built | |
933 | // | |
934 | Int_t i; | |
935 | // | |
936 | printf("\n"); | |
937 | for(i=0;i<35;i++) printf("*"); | |
938 | printf(" SHILv0_INIT "); | |
939 | for(i=0;i<35;i++) printf("*"); | |
940 | printf("\n"); | |
941 | // | |
942 | // Here the SHIL initialisation code (if any!) | |
943 | for(i=0;i<80;i++) printf("*"); | |
944 | printf("\n"); | |
945 | } | |
946 | ||
947 | ||
948 | ||
949 | ||
950 | ||
951 | ||
952 | ||
953 | ||
954 |