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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$Log$
2b32db74 18Revision 1.4 2000/04/03 08:13:40 fca
19Introduce extra scope for non ANSI compliant C++ compilers
20
74c0d076 21Revision 1.3 2000/01/17 10:29:30 morsch
22Overlap between Shield and Absorber due to limited numerical precision removed
23by displacing the Shield by epsilon = 0.01 cm.
24
f0c34869 25Revision 1.2 2000/01/13 11:27:51 morsch
26Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
27
6d4aaa11 28Revision 1.1 2000/01/12 15:44:03 morsch
29Standard version of SHIL
30
6523e275 31*/
32
33///////////////////////////////////////////////////////////////////////////////
34// //
35// Muon Shield Class //
36// This class contains a description of the muon shield //
37// //
38//Begin_Html
39/*
40<img src="picts/AliSHILClass.gif">
41*/
42//End_Html
43// //
44// //
45///////////////////////////////////////////////////////////////////////////////
46
47#include "AliSHILv0.h"
48#include "AliRun.h"
49#include "AliConst.h"
50
51ClassImp(AliSHILv0)
52
53//_____________________________________________________________________________
54AliSHILv0::AliSHILv0()
55{
56 //
57 // Default constructor for muon shield
58 //
59}
60
61//_____________________________________________________________________________
62AliSHILv0::AliSHILv0(const char *name, const char *title)
63 : AliSHIL(name,title)
64{
65 //
66 // Standard constructor for muon shield
67 //
68 SetMarkerColor(7);
69 SetMarkerStyle(2);
70 SetMarkerSize(0.4);
2b32db74 71 // Pb cone not yet compatible with muon chamber inner radii
72 // Switched off by default
73 fPbCone=kFALSE;
6523e275 74}
75
76//_____________________________________________________________________________
77void AliSHILv0::CreateGeometry()
78{
79 //
80 // Build muon shield geometry
81 //
82 //
83 //Begin_Html
84 /*
85 <img src="picts/AliSHILv0.gif">
86 */
87 //End_Html
88 //Begin_Html
89 /*
90 <img src="picts/AliSHILv0Tree.gif">
91 */
92 //End_Html
93
2b32db74 94 Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[27], par3[27],
95 par4[21], par0[42];
96 Float_t dz, dZ;
6523e275 97
2b32db74 98 Int_t *idtmed = fIdtmed->GetArray()-1699;
99
100#include "ABSOSHILConst.h"
101#include "SHILConst.h"
6523e275 102
2b32db74 103 typedef enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
104 kNiCuW=1720, kVacuum=1714, kAir=1714, kConcrete=1716,
105 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
106
6523e275 107//
108// Mother volume
109//
2b32db74 110 Float_t dRear1=dRear;
111
112 Float_t zstart=zRear-dRear1;
113
6523e275 114 par0[0] = 0.;
115 par0[1] = 360.;
116 par0[2] = 13.;
117
f0c34869 118 Float_t dl=(zvac12-zstart)/2.;
119 dz=zstart+dl;
6523e275 120//
121 par0[3] = -dl;
122 par0[4] = 0.;
2b32db74 123 par0[5] = zstart * TMath::Tan(accMin);
6523e275 124
2b32db74 125 par0[6] = -dl+dRear1;
6523e275 126 par0[7] = 0.;
2b32db74 127 par0[8] = zRear * TMath::Tan(accMin);
6523e275 128
2b32db74 129 par0[9] = -dl+dRear1;
6523e275 130 par0[10] = 0.;
131 par0[11] = R11;
132
133 par0[12] = -dz+zvac4;
134 par0[13] = 0.;
135 par0[14] = R11;
136
137 par0[15] = -dz+zvac4;
138 par0[16] = 0.;
139 par0[17] = R21;
140
141 par0[18] = -dz+zvac6;
142 par0[19] = 0.;
143 par0[20] = R21;
144
145 par0[21] = -dz+zvac6;
146 par0[22] = 0.;
2b32db74 147 par0[23] = zvac6 * TMath::Tan(accMin);
6523e275 148
2b32db74 149 par0[24] = -dz+zConeE;
6523e275 150 par0[25] = 0.;
151 par0[26] = 30.;
152
153 par0[27] = -dz+zvac10;
154 par0[28] = 0.;
155 par0[29] = 30.;
156
157 par0[30] = -dz+zvac10;
158 par0[31] = 0.;
159 par0[32] = R42;
160
161 par0[33] = -dz+zvac11;
162 par0[34] = 0.;
163 par0[35] = R42;
164
165 par0[36] = -dz+zvac11;
166 par0[37] = 0.;
167 par0[38] = R43;
168
169 par0[39] = -dz+zvac12;
170 par0[40] = 0.;
171 par0[41] = R43;
172
2b32db74 173 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 42);
f0c34869 174 dz=zstart+dl;
6523e275 175 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
176//
177
2b32db74 178 dZ=-dl;
6523e275 179
180//
181// First section: bellows below and behind front absorber
182//
183//
6523e275 184 par1[0] = 0.;
185 par1[1] = 360.;
186 par1[2] = 12.;
f0c34869 187 dl=(zvac4-zstart)/2.;
6523e275 188
189 par1[3] = -dl;
2b32db74 190 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
191 par1[5] = zstart * TMath::Tan(accMin);
6523e275 192
f0c34869 193 par1[6] = -dl+zvac1-zstart;
2b32db74 194 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
195 par1[8] = zvac1 * TMath::Tan(accMin);
6523e275 196
197 par1[9] = par1[6]+dr11;
198 par1[10] = par1[7]+dr11;
2b32db74 199 par1[11] = (zvac1+dr11) * TMath::Tan(accMin);
6523e275 200
2b32db74 201 par1[12] = -dl+dRear1;
6523e275 202 par1[13] = par1[10];
2b32db74 203 par1[14] = zRear * TMath::Tan(accMin);
6523e275 204
2b32db74 205 par1[15] = -dl+dRear1;
6523e275 206 par1[16] = par1[10];
207 par1[17] = R11;
208
f0c34869 209 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
6523e275 210 par1[19] = par1[16];
211 par1[20] = R11;
212
213 par1[21] = par1[18]+dr12;
214 par1[22] = par1[19]+dr12;
215 par1[23] = R11;
216
217 par1[24] = par1[21]+dF1;
218 par1[25] = par1[22];
219 par1[26] = R11;
220
221 par1[27] = par1[24]+dr12;
222 par1[28] = par1[25]-dr12;
223 par1[29] = R11;
224
225 par1[30] = par1[27]+dB1;
226 par1[31] = par1[28];
227 par1[32] = R11;
228
229 par1[33] = par1[30]+dr13;
230 par1[34] = par1[31]-dr13;
231 par1[35] = R11;
232
f0c34869 233 par1[36] = -dl+zvac4-zstart;
2b32db74 234 par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(thetaOpen2);
6523e275 235 par1[38] = R11;
236
237 Float_t r2=par1[34];
2b32db74 238 Float_t rBox=par1[31]-0.1;
6523e275 239
2b32db74 240 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
74c0d076 241 { // Begin local scope for i
2b32db74 242 for (Int_t i=4; i<38; i+=3) par1[i] = 0;
74c0d076 243 } // End local scope for i
2b32db74 244 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], par1, 39);
6523e275 245 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
2b32db74 246 dZ+=dl;
247 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
248 dZ+=dl;
6523e275 249
250//
251// Steel envelope
252 tpar[0]=R11-dRSteel1;
253 tpar[1]=R11;
2b32db74 254 tpar[2]=dl-dRear1/2;
255 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
6523e275 256 dz=dl-tpar[2];
2b32db74 257 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
6523e275 258//
259// 1st section: vacuum system
260//
261//
262// Bellow 1
263//
264 tpar[0]=rB1;
265 tpar[1]=rB1+hB1;
266 tpar[2]=eB1/2.;
2b32db74 267 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 268 Float_t dl1=tpar[2];
269
270 tpar[0]=rB1+hB1-eB1;
271 tpar[1]=rB1+hB1;
272 tpar[2]=(lB1/2.-2.*eB1)/2.;
2b32db74 273 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 274 Float_t dl2=tpar[2];
275
276 tpar[0]=rB1-eB1;
277 tpar[1]=rB1;
278 tpar[2]=lB1/8.;
2b32db74 279 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 280 Float_t dl3=tpar[2];
281
282
283 tpar[0]=0;
284 tpar[1]=rB1+hB1;
285 tpar[2]=lB1/2.;
2b32db74 286 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 287
288 dz=-tpar[2]+dl3;
289 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
290 dz+=dl3;
291 dz+=dl1;
292 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
293 dz+=dl1;
294 dz+=dl2;
295 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
296 dz+=dl2;
297 dz+=dl1;
298 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
299 dz+=dl1;
300 dz+=dl3;
301 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
302
303
304 tpar[0]=0;
305 tpar[1]=rB1+hB1;
306 tpar[2]=10.*lB1/2.;
2b32db74 307 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 308 dz=-tpar[2]+lB1/2.;
74c0d076 309 { // Begin local scope for i
2b32db74 310 for (Int_t i=0; i<10; i++) {
311 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
312 dz+=lB1;
313 }
74c0d076 314 } // End local scope for i
f0c34869 315 dz=-dl+(zvac1-zstart)+dr11+tpar[2];
6523e275 316 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
317
2b32db74 318 dz=dl-dr13-(zvac4-zvac3)-tpar[2];
6523e275 319 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
320
321//
322// Flange
323
324 tpar[0]=0;
325 tpar[1]=rF1;
326 tpar[2]=dF1/2.;
2b32db74 327 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 328
2b32db74 329 tpar[0]=rF1-2.;
6523e275 330 tpar[1]=rF1;
331 tpar[2]=dF1/2.;
2b32db74 332 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 333 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
334
335 tpar[0]=rB1;
2b32db74 336 tpar[1]=rF1-2.;
337 tpar[2]=dFlange/2.;
338 gMC->Gsvolu("YF12", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 339 dz=-dF1/2.+tpar[2];
340 gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY");
341 dz= dF1/2.-tpar[2];
342 gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY");
343
f0c34869 344 dz=-dl+(zvac2-zstart);
6523e275 345 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
346
6523e275 347//
348// pipe between flange and bellows
2b32db74 349 tpar[0]=rB1-dTubeS;
6523e275 350 tpar[1]=rB1;
351 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
2b32db74 352 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
353
f0c34869 354 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
6523e275 355 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
f0c34869 356 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
6523e275 357 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
358
6523e275 359// pipe and heating jackets outside bellows
360//
361// left side
f0c34869 362 cpar0[0]=(zvac1-zstart)/2;
2b32db74 363 cpar0[1]=rVacu+(zstart-zOpen)*TMath::Tan(thetaOpen1)-0.05;
364 cpar0[2]=rAbs +(zstart-zOpen)*TMath::Tan(thetaOpen1);
365 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
366 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
367 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
6523e275 368//
369// insulation
2b32db74 370 dTubeS=0.15;
6523e275 371 cpar[0]=cpar0[0];
2b32db74 372 cpar[1]=cpar0[1]+0.15;
373 cpar[2]=cpar0[1]+0.65;
374 cpar[3]=cpar0[3]+0.15;
375 cpar[4]=cpar0[3]+0.65;
376 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
6523e275 377 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
378//
379// clearance
2b32db74 380 cpar[1]=cpar0[1]+0.75;
381 cpar[2]=cpar0[1]+1.25;
382 cpar[3]=cpar0[3]+0.75;
383 cpar[4]=cpar0[3]+1.25;
384 gMC->Gsvolu("YP11", "CONE", idtmed[kVacuum+40], cpar, 5);
6523e275 385 gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY");
386
387 dz=-dl+cpar0[0];
388 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
6523e275 389// right side
2b32db74 390 dTubeS=0.35;
391 dVacuS+=0.25;
392
6523e275 393 cpar0[0]=(zvac4-zvac3)/2;
2b32db74 394 cpar0[1]=rB1;
395 cpar0[2]=cpar0[1]+dVacuS;
396
397 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
398 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
399 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
400 Float_t r2V=cpar0[3];
6523e275 401//
402// insulation
403 cpar[0]=cpar0[0];
2b32db74 404 cpar[1]=cpar0[1]+dTubeS;
405 cpar[2]=cpar0[1]+dTubeS+dInsuS;
406 cpar[3]=cpar0[3]+dTubeS;
407 cpar[4]=cpar0[3]+dTubeS+dInsuS;
408 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
6523e275 409 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
2b32db74 410
6523e275 411//
412// clearance
2b32db74 413 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
414 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
415 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
416 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
417 gMC->Gsvolu("YP12", "CONE", idtmed[kAir], cpar, 5);
6523e275 418 gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY");
419
420 dz=dl-cpar0[0];
421 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
6523e275 422//
423// Second Section
2b32db74 424// Between first and second bellow section
425//
6523e275 426
427 par2[0] = 0.;
428 par2[1] = 360.;
2b32db74 429 par2[2] = 7.;
6523e275 430 dl=(zvac7-zvac4)/2.;
2b32db74 431// recess station 1
6523e275 432 par2[3] = -dl;
2b32db74 433 par2[4] = r2+(zvac4-zvac3) * TMath::Tan(thetaOpen2);
6523e275 434 par2[5] = R11;
2b32db74 435// recess station 2
6523e275 436 par2[6] = -dl;
437 par2[7] = par2[4];
438 par2[8] = R21;
439
440 par2[9] = -dl+(zvac6-zvac4);
2b32db74 441 par2[10] = r2+(zvac6-zvac3) * TMath::Tan(thetaOpen2);
6523e275 442 par2[11] = R21;
443
444 par2[12] = -dl+(zvac6-zvac4);
445 par2[13] = par2[10];
2b32db74 446 par2[14] = zvac6*TMath::Tan(accMin);
6523e275 447
2b32db74 448// Start of Pb section
449 par2[15] = -dl+(zPb-zvac4);
450 par2[16] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
451 par2[17] = zPb*TMath::Tan(accMin);
6523e275 452
2b32db74 453//
454// end of cone following 2 deg line
455 par2[18] = -dl+(zConeE-zvac4);
456 par2[19] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
6523e275 457 par2[20] = 30.;
458
2b32db74 459 par2[21] = -dl+(zvac7-zvac4);
460 par2[22] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
461 par2[23] = 30.;
462
6523e275 463
2b32db74 464 gMC->Gsvolu("YGO2", "PCON", idtmed[kNiCuW+40], par2, 24);
465//
466// Lead cone option replacing Tungsten
467//
468 Float_t parPb[12];
469 parPb[0] = 0.;
470 parPb[1] = 360.;
471 parPb[2] = 3.;
472 Float_t dlPb=(zvac7-zPb)/2.;
473
474 parPb[3] = -dlPb;
475 parPb[4] = 17.657;
476 parPb[5] = zPb*TMath::Tan(accMin);
477
478 parPb[6] = -dlPb+(zConeE-zPb);
479 parPb[7] = parPb[4]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
480 parPb[8] = 30.;
481
482 parPb[9] = dlPb;
483 parPb[10] = parPb[7]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
484 parPb[11] = 30.;
485 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
486 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
487
74c0d076 488 { // Begin local scope for i
2b32db74 489 for (Int_t i=4; i<23; i+=3) par2[i] = 0;
74c0d076 490 } // End local scope for i
2b32db74 491
492 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 24);
6523e275 493 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
2b32db74 494 dZ+=dl;
495 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
496 dZ+=dl;
6523e275 497//
498// Steel envelope
499//
6d4aaa11 500 tpar[0]=R11-dRSteel1;
6523e275 501 tpar[1]=R21;
502 tpar[2]=2;
2b32db74 503 gMC->Gsvolu("YS21", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 504 dz=-dl+tpar[2];
505 gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY");
506 dz+=tpar[2];
507 tpar[0]=R21-dRSteel2;
508 tpar[1]=R21;
509 tpar[2]=(zvac6-zvac5)/2.;
2b32db74 510 gMC->Gsvolu("YS22", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 511 dz+=tpar[2];
512 gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY");
513 dz+=tpar[2];
514
515 cpar[0]=2.;
516 cpar[1]=R21-dRSteel2;
2b32db74 517 cpar[2]=zvac6 * TMath::Tan(accMin);
6523e275 518 cpar[3]=cpar[1];
2b32db74 519 cpar[4]=cpar[2]+4.*TMath::Tan(accMin);
6523e275 520
2b32db74 521 gMC->Gsvolu("YS23", "CONE", idtmed[kSteel], cpar, 5);
6523e275 522 dz+=cpar[0];
523 gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY");
524 dz+=cpar[0];
525
2b32db74 526 cpar[0]=(zPb-zvac6-4.)/2;
6523e275 527 cpar[2]=cpar[4];
2b32db74 528 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
6523e275 529 cpar[1]=cpar[2]-dRSteel2;
530 cpar[3]=cpar[4]-dRSteel2;
531
2b32db74 532 gMC->Gsvolu("YS24", "CONE", idtmed[kSteel], cpar, 5);
6523e275 533 dz+=cpar[0];
534 gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY");
535 dz+=cpar[0];
536
2b32db74 537 cpar[0]=(zConeE-zPb)/2;
538 cpar[2]=cpar[4];
539 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
540 cpar[1]=cpar[2]-dRSteel2;
541 cpar[3]=cpar[4]-dRSteel2;
542
543 gMC->Gsvolu("YS25", "CONE", idtmed[kSteel], cpar, 5);
544 dz=-dlPb+cpar[0];
545 gMC->Gspos("YS25", 1, "YXO2", 0., 0., dz, 0, "ONLY");
546 dz+=cpar[0];
547
6523e275 548 tpar[0]=26.;
549 tpar[1]=30.;
2b32db74 550 tpar[2]=(zvac7-zConeE)/2.;
6523e275 551
2b32db74 552 gMC->Gsvolu("YS26", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 553 dz+=tpar[2];
2b32db74 554 gMC->Gspos("YS26", 1, "YXO2", 0., 0., dz, 0, "ONLY");
6523e275 555 dz+=tpar[2];
2b32db74 556
6523e275 557//
558// 2nd section: vacuum system
2b32db74 559//
6523e275 560 cpar0[0]=(zvac7-zvac4)/2;
2b32db74 561 cpar0[1]=r2V;
562 cpar0[2]=r2V+dVacuS;
563 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
564 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
565 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
6523e275 566//
567// insulation
568 cpar[0]=cpar0[0];
2b32db74 569 cpar[1]=cpar0[1]+dTubeS;
570 cpar[2]=cpar0[1]+dTubeS+dInsuS;
571 cpar[3]=cpar0[3]+dTubeS;
572 cpar[4]=cpar0[3]+dTubeS+dInsuS;
573 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
6523e275 574 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
575//
576// clearance
2b32db74 577 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
578 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
579 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
580 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
581 gMC->Gsvolu("YP21", "CONE", idtmed[kAir+40], cpar, 5);
6523e275 582 gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY");
583
584 dz=0.;
585 gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY");
586
2b32db74 587
6523e275 588//
589// Third Section: Bellows and Flange
590//
591 par3[0] = 0.;
592 par3[1] = 360.;
593 par3[2] = 8.;
594 dl=(zvac9-zvac7)/2.;
595
596 par3[3] = -dl;
2b32db74 597 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
6523e275 598 par3[5] = 30.;
599
600 par3[6] = -dl+dr21;
601 par3[7] = par3[4]+dr21;
602 par3[8] = 30.;
603
604 par3[9] = par3[6]+dB2;
605 par3[10] = par3[7];
606 par3[11] = 30.;
607
608 par3[12] = par3[9]+dr22;
609 par3[13] = par3[10]+dr22;
610 par3[14] = 30.;
611
612 par3[15] = par3[12]+dF2;
613 par3[16] = par3[13];
614 par3[17] = 30.;
615
616 par3[18] = par3[15]+dr22;
617 par3[19] = par3[16]-dr22;
618 par3[20] = 30.;
619
620 par3[21] = par3[18]+dB2;
621 par3[22] = par3[19];
622 par3[23] = 30.;
623
624 par3[24] = par3[21]+dr23;
625 par3[25] = par3[22]-dr23;
626 par3[26] = 30.;
2b32db74 627//
628 rBox=par3[22]-0.1;
6523e275 629 Float_t r3=par3[25];
630
2b32db74 631 gMC->Gsvolu("YGO3", "PCON", idtmed[kNiCuW+40], par3, 27);
632
633 parPb[0] = dl;
634 parPb[1] = parPb[10];
635 parPb[2] = 30;
636 parPb[3] = parPb[1]+2.*dl*TMath::Tan(thetaOpenPb);
637 parPb[4] = 30;
638 gMC->Gsvolu("YXO3", "CONE", idtmed[kPb], parPb, 5);
639 gMC->Gspos("YXO3", 1, "YGO3", 0., 0., 0., 0, "ONLY");
74c0d076 640 { // Begin local scope for i
2b32db74 641 for (Int_t i=4; i<26; i+=3) par3[i] = 0;
74c0d076 642 } // End local scope for i
2b32db74 643 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
6523e275 644 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
645
646//
647// Steel envelope
648 tpar[0]=26;
649 tpar[1]=30;
650 tpar[2]=dl;
2b32db74 651 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
652 gMC->Gspos("YS31", 1, "YXO3", 0., 0., 0., 0, "ONLY");
653 dZ+=dl;
654 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
655 dZ+=dl;
6523e275 656
657//
658// 3rd section: vacuum system
659//
660//
661// Bellow2
662//
663 tpar[0]=rB2;
664 tpar[1]=rB2+hB2;
665 tpar[2]=eB2/2.;
2b32db74 666 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 667 dl1=tpar[2];
668
669 tpar[0]=rB2+hB2-eB2;
670 tpar[1]=rB2+hB2;
671 tpar[2]=(lB2/2.-2.*eB2)/2.;
2b32db74 672 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 673 dl2=tpar[2];
674
675 tpar[0]=rB2-eB2;
676 tpar[1]=rB2;
677 tpar[2]=lB2/8.;
2b32db74 678 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 679 dl3=tpar[2];
680
681
682 tpar[0]=0;
683 tpar[1]=rB2+hB2;
684 tpar[2]=lB2/2.;
2b32db74 685 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 686
687 dz=-tpar[2]+dl3;
688 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
689 dz+=dl3;
690 dz+=dl1;
691 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
692 dz+=dl1;
693 dz+=dl2;
694 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
695 dz+=dl2;
696 dz+=dl1;
697 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
698 dz+=dl1;
699 dz+=dl3;
700 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
701
702
703 tpar[0]=0;
704 tpar[1]=rB2+hB2;
705 tpar[2]=7.*lB2/2.;
2b32db74 706 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 707 dz=-tpar[2]+lB2/2.;
74c0d076 708 { // Begin local scope for i
2b32db74 709 for (Int_t i=0; i<7; i++) {
710 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
711 dz+=lB2;
712 }
74c0d076 713 } // End local scope for i
6523e275 714 dz=-dl+dr21+tpar[2];
715 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
716
717 dz=dl-dr23-tpar[2];
718 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
719
720//
721// Flange
722
723 tpar[0]=0;
724 tpar[1]=rF2;
725 tpar[2]=dF2/2.;
2b32db74 726 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
6523e275 727
2b32db74 728 tpar[0]=rF2-dFlange;
6523e275 729 tpar[1]=rF2;
730 tpar[2]=dF2/2.;
2b32db74 731 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 732 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
733
734 tpar[0]=rB2;
2b32db74 735 tpar[1]=rF2-dFlange;
736 tpar[2]=dFlange/2.;
737 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 738 dz=-dF2/2.+tpar[2];
739 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
740 dz= dF2/2.-tpar[2];
741 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
742
743 dz=dr21/2.-dr23/2.;
744 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
745
746
747//
748// pipe between flange and bellows
2b32db74 749 tpar[0]=rB2-dTubeS;
6523e275 750 tpar[1]=rB2;
751 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
2b32db74 752 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
6523e275 753 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
754 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
755 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
756 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
757
758//
759// 4th section: rear shield and closing cone
760//
761 par4[0] = 0.;
762 par4[1] = 360.;
763 par4[2] = 6.;
764 dl=(zvac12-zvac9)/2.;
765
766 par4[3] = -dl;
767 par4[4] = r3;
768 par4[5] = 30.;
769
770 par4[6] = -dl+(zvac10-zvac9);
2b32db74 771 par4[7] = r3+(zvac10-zvac9) * TMath::Tan(thetaOpen3);
6523e275 772 par4[8] = 30.;
773
774 par4[9] = par4[6];
775 par4[10] = par4[7];
776 par4[11] = R42;
777
778 par4[12] = -dl+(zvac11-zvac9);
2b32db74 779 par4[13] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
6523e275 780 par4[14] = R42;
781
782 par4[15] = par4[12];
783 par4[16] = par4[13];
784 par4[17] = R43;
785
786 par4[18] = -dl+(zvac12-zvac9);
2b32db74 787 par4[19] = rAbs;
6523e275 788 par4[20] = R43;
789
2b32db74 790 gMC->Gsvolu("YGO4", "PCON", idtmed[kNiCuW+40], par4, 21);
791
792 parPb[0] = (zvac10-zvac9)/2.;
793 parPb[1] = parPb[3];
794 parPb[2] = 30;
795 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
796 parPb[4] = 30;
797 gMC->Gsvolu("YXO4", "CONE", idtmed[kPb], parPb, 5);
798 gMC->Gspos("YXO4", 1, "YGO4", 0., 0., -dl+parPb[0], 0, "ONLY");
799
800 parPb[0] = (zvac12-zvac10)/2.;
801 parPb[1] = parPb[3];
802 parPb[2] = 31.;
803 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
804 parPb[4] = 31.;
805 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
806 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
74c0d076 807 { // Begin local scope for i
2b32db74 808 for (Int_t i=4; i<20; i+=3) par4[i] = 0;
74c0d076 809 } // End local scope for i
6523e275 810
2b32db74 811 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 21);
6523e275 812 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
813
814
2b32db74 815
816 dZ+=dl;
817 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
818 dZ+=dl;
6523e275 819//
820// Closing concrete cone
821//
822 cpar[0]=(zvac12-zvac11)/2.;
2b32db74 823 cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
6523e275 824 cpar[2] = cpar[1]+0.001;
2b32db74 825 cpar[3] = rAbs;
6523e275 826 cpar[4] = cpar[2];
2b32db74 827 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
6523e275 828 dz=dl-cpar[0];
829 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
830//
831// Steel envelope
832//
833 dz=-dl;
834 tpar[0]=26.;
835 tpar[1]=30.;
836 tpar[2]=(zvac10-zvac9)/2.;
2b32db74 837 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 838 dz+=tpar[2];
2b32db74 839 gMC->Gspos("YS41", 1, "YXO4", 0., 0., 0., 0, "ONLY");
6523e275 840 dz+=tpar[2];
2b32db74 841/*
842 tpar[0]=30.;
6523e275 843 tpar[1]=R41;
844 tpar[2]=2.;
2b32db74 845 gMC->Gsvolu("YS42", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 846 dz+=tpar[2];
847 gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY");
848 dz+=tpar[2];
2b32db74 849*/
6523e275 850 tpar[0]=R41-dRSteel2;
851 tpar[1]=R41;
2b32db74 852 tpar[2]=(zvac11-zvac10)/2.;
853 gMC->Gsvolu("YS43", "TUBE", idtmed[kSteel], tpar, 3);
6523e275 854 dz+=tpar[2];
855 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
856//
857// rear lead shield
858//
859 tpar[0]=R41;
860 tpar[1]=R42;
861 tpar[2]=(zvac11-zvac10)/2.;
2b32db74 862 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
863 dz-=0;
6523e275 864 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
865
866 tpar[0]=R42-5;
867 tpar[1]=R42;
868 tpar[2]=(zvac11-zvac10)/2.;
2b32db74 869 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
6523e275 870 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
871
872//
873// rear Fe shield
874//
875
2b32db74 876 tpar[0]=31.;
6523e275 877 tpar[1]=R43;
878 tpar[2]=(zvac12-zvac11)/2.;
2b32db74 879 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
6523e275 880 dz=dl-tpar[2];
881 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
882
2b32db74 883 tpar[0]=31.;
6523e275 884 tpar[1]=R43;
885 tpar[2]=2.5;
2b32db74 886 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
6523e275 887 dz=-(zvac12-zvac11)/2.+tpar[2];
888 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
2b32db74 889//
890// Magnet element
891//
892 tpar[0]=0.;
893 tpar[1]=R43;
894 tpar[2]=50.;
895 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
896 tpar[0]=rAbs;
897 tpar[1]=R43;
898 tpar[2]=50.;
899 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
900 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
6523e275 901
2b32db74 902//
903
904 dz=zvac12+50.;
905 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
906
907
908//
6523e275 909//
910// 4th section: vacuum system
911//
912// up to closing cone
913 cpar0[0]=(zvac11-zvac9)/2;
2b32db74 914 cpar0[1]=r3-dVacuS;
6523e275 915 cpar0[2]=r3;
2b32db74 916 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
917 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
918 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
6523e275 919//
920// insulation
921 cpar[0]=cpar0[0];
2b32db74 922 cpar[1]=cpar0[1]+dTubeS;
923 cpar[2]=cpar0[1]+dTubeS+dInsuS;
924 cpar[3]=cpar0[3]+dTubeS;
925 cpar[4]=cpar0[3]+dTubeS+dInsuS;
926 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
6523e275 927 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
928//
929// clearance
2b32db74 930 cpar[1]=cpar0[2]-dProtS-dFreeS;
931 cpar[2]=cpar0[2]-dProtS;
932 cpar[3]=cpar0[4]-dProtS-dFreeS;
933 cpar[4]=cpar0[4]-dProtS;
934 gMC->Gsvolu("YP31", "CONE", idtmed[kVacuum+40], cpar, 5);
6523e275 935 gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY");
936
937 dz=-dl+cpar[0];
938 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
939//
940// closing cone
941 cpar0[0]=(zvac12-zvac11)/2;
2b32db74 942 cpar0[1]=r3-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
943 cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
944 cpar0[3]=rVacu;
945 cpar0[4]=rAbs;
946 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
6523e275 947//
948// insulation
949 cpar[0]=cpar0[0];
2b32db74 950 cpar[1]=cpar0[1]+dTubeS;
951 cpar[2]=cpar0[1]+dTubeS+dInsuS;
952 cpar[3]=cpar0[3]+dTubeS;
953 cpar[4]=cpar0[3]+dTubeS+dInsuS;
954 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
6523e275 955 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
956//
957// clearance
2b32db74 958 cpar[1]=cpar0[2]-dProtS-dFreeS;
959 cpar[2]=cpar0[2]-dProtS;
960 cpar[3]=cpar0[4]-dProtS-dFreeS;
961 cpar[4]=cpar0[4]-dProtS;
962 gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
6523e275 963 gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
964
965 dz=dl-cpar[0];
966 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
967//
968//
969// MUON trigger wall
2b32db74 970//
971 tpar[0] = 50.;
6523e275 972 tpar[1] = 310.;
2b32db74 973 tpar[2] = (zFilterOut - zFilterIn) / 2.;
974 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
975 dz = (zFilterIn + zFilterOut) / 2.;
6523e275 976 tpar[2] -= 10.;
2b32db74 977 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
6523e275 978 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
979 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
980//
981// Shielding close to chamber
982//
2b32db74 983 cpar[0]=(zch1-dzch-1.-zRear)/2.;
6523e275 984 cpar[1]=R11;
2b32db74 985 cpar[2]=zRear*TMath::Tan(accMin);
6523e275 986 cpar[3]=R11;
2b32db74 987 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
988 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
989 dz=zRear+cpar[0];
6523e275 990 gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY");
991
992 cpar[0]=(zvac4-(zch1+dzch+1.))/2.;
993 cpar[1]=R11;
2b32db74 994 cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(accMin);
6523e275 995 cpar[3]=R11;
6d4aaa11 996 cpar[4]=R21;
2b32db74 997 gMC->Gsvolu("YCS2", "CONE", idtmed[kNiCuW], cpar, 5);
6523e275 998 dz=zvac4-cpar[0];
999 gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1000
2b32db74 1001 cpar[0]=(dzch-1.);
1002 cpar[1]=R11;
1003 cpar[2]=(zch1-dzch+1.)*TMath::Tan(accMin);
1004 cpar[3]=R11;
1005 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1006 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1007 dz=zch1;
1008 gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1009
6523e275 1010
1011 cpar[0]=(zch2-dzch-1.-zvac4)/2.;
1012 cpar[1]=R21;
2b32db74 1013 cpar[2]=zvac4*TMath::Tan(accMin);
6523e275 1014 cpar[3]=R21;
2b32db74 1015 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1016 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
6523e275 1017 dz=zvac4+cpar[0];
2b32db74 1018 gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY");
6523e275 1019
1020
1021 cpar[0]=(zvac6-(zch2+dzch+1.))/2.;
6d4aaa11 1022 cpar[1]=R21;
2b32db74 1023 cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(accMin);
6d4aaa11 1024 cpar[3]=R21;
2b32db74 1025 cpar[4]=zvac6*TMath::Tan(accMin);
1026 gMC->Gsvolu("YCS5", "CONE", idtmed[kNiCuW], cpar, 5);
6523e275 1027 dz=zvac6-cpar[0];
2b32db74 1028 gMC->Gspos("YCS5", 1, "ALIC", 0., 0., dz, 0, "ONLY");
6523e275 1029
2b32db74 1030 cpar[0]=(dzch-1.);
1031 cpar[1]=R21;
1032 cpar[2]=(zch2-dzch+1.)*TMath::Tan(accMin);
1033 cpar[3]=R21;
1034 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1035 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1036 dz=zch2;
1037 gMC->Gspos("YCS6", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1038//
1039// Outer Pb Cone
1040 if (fPbCone) {
1041 cpar[0]=(zFilterIn-zConeE)/2.;
1042 cpar[1]=30.;
1043 cpar[2]=30.001;
1044 cpar[3]=30.;
1045 cpar[4]=30.+2.*cpar[0]*TMath::Tan(thetaOpenPbO);
1046
1047 gMC->Gsvolu("YOPB", "CONE", idtmed[kPb], cpar, 5);
1048 dz=zConeE+cpar[0];
1049 gMC->Gspos("YOPB", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1050 }
6523e275 1051}
1052
1053void AliSHILv0::Init()
1054{
1055 //
1056 // Initialise the muon shield after it has been built
1057 //
1058 Int_t i;
1059 //
1060 printf("\n");
1061 for(i=0;i<35;i++) printf("*");
1062 printf(" SHILv0_INIT ");
1063 for(i=0;i<35;i++) printf("*");
1064 printf("\n");
1065 //
1066 // Here the SHIL initialisation code (if any!)
1067 for(i=0;i<80;i++) printf("*");
1068 printf("\n");
1069}
1070
6523e275 1071
1072
1073