1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
19 Revision 1.19 2002/10/14 14:57:39 hristov
20 Merging the VirtualMC branch to the main development branch (HEAD)
22 Revision 1.17.6.1 2002/07/24 13:33:35 alibrary
23 Make geometry consistent with new current parameters.
25 Revision 1.18 2002/07/24 13:28:49 morsch
26 Make geometry consistent with new current parameters.
28 Revision 1.17 2001/11/17 01:29:21 morsch
29 Obsolete and wrong volume YXO5 removed.
31 Revision 1.16 2001/11/16 08:57:42 morsch
34 Revision 1.15 2001/11/05 10:41:06 morsch
35 Avoid overlap of compensation magnet with HALL.
37 Revision 1.14 2001/10/26 08:36:19 morsch
40 Revision 1.13 2001/04/23 23:12:41 morsch
41 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
43 Revision 1.12 2001/03/16 16:26:05 morsch
44 Put vacuum in beam-pipe not air.
46 Revision 1.11 2000/10/27 15:21:24 morsch
47 Shield composition after muon project leader meeting: 24/10/2000
48 - 1 cm recess in steel for station 3
49 - no heavy shielding between chambers for stations 1 and 2
51 Revision 1.10 2000/10/02 21:28:15 fca
52 Removal of useless dependecies via forward declarations
54 Revision 1.9 2000/09/12 17:00:45 morsch
55 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
57 Revision 1.8 2000/09/12 16:11:43 morsch
58 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
59 - Recesses for chambers added to outer Pb cone.
61 Revision 1.7 2000/06/15 09:40:31 morsch
62 Obsolete typedef keyword removed
64 Revision 1.6 2000/06/13 15:01:38 morsch
65 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
67 Revision 1.5 2000/06/12 19:40:00 morsch
68 New structure of beam pipe and heating jacket.
69 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
71 Revision 1.4 2000/04/03 08:13:40 fca
72 Introduce extra scope for non ANSI compliant C++ compilers
74 Revision 1.3 2000/01/17 10:29:30 morsch
75 Overlap between Shield and Absorber due to limited numerical precision removed
76 by displacing the Shield by epsilon = 0.01 cm.
78 Revision 1.2 2000/01/13 11:27:51 morsch
79 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
81 Revision 1.1 2000/01/12 15:44:03 morsch
82 Standard version of SHIL
86 ///////////////////////////////////////////////////////////////////////////////
88 // Muon Shield Class //
89 // This class contains a description of the muon shield //
93 <img src="picts/AliSHILClass.gif">
98 ///////////////////////////////////////////////////////////////////////////////
100 #include "AliSHILv0.h"
103 #include "AliConst.h"
107 //_____________________________________________________________________________
108 AliSHILv0::AliSHILv0()
111 // Default constructor for muon shield
115 //_____________________________________________________________________________
116 AliSHILv0::AliSHILv0(const char *name, const char *title)
117 : AliSHIL(name,title)
120 // Standard constructor for muon shield
125 // Pb cone not yet compatible with muon chamber inner radii
126 // Switched off by default
130 //_____________________________________________________________________________
131 void AliSHILv0::CreateGeometry()
134 // Build muon shield geometry
139 <img src="picts/AliSHILv0.gif">
144 <img src="picts/AliSHILv0Tree.gif">
148 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[27], par3[27],
152 Int_t *idtmed = fIdtmed->GetArray()-1699;
154 #include "ABSOSHILConst.h"
155 #include "SHILConst.h"
157 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
158 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
159 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
161 // Material of the rear part of the shield
163 if (fPbCone) iHeavy=kPb;
167 Float_t dRear1=kDRear;
169 Float_t zstart=kZRear-dRear1;
175 Float_t dl=(kZvac12-zstart)/2.;
181 par0[5] = zstart * TMath::Tan(kAccMin);
183 par0[6] = -dz+kZch11;
185 par0[8] = kZch11 * TMath::Tan(kAccMin);
191 par0[12] = -dz+kZch12;
197 par0[17] = kZch12 * TMath::Tan(kAccMin);
199 par0[18] = -dz+kZch21;
201 par0[20] = kZch21 * TMath::Tan(kAccMin);
203 par0[21] = -dz+kZch21;
207 par0[24] = -dz+kZch22;
211 par0[27] = -dz+kZch22;
213 par0[29] = kZch22 * TMath::Tan(kAccMin);
215 par0[30] = -dz+kZvac6;
217 par0[32] = kZvac6 * TMath::Tan(kAccMin);
219 par0[33] = -dz+kZConeE;
223 par0[36] = -dz+kZch31;
227 par0[39] = -dz+kZch31;
231 par0[42] = -dz+kZch32;
234 // start of 1.6 deg cone
235 par0[45] = -dz+kZch32;
237 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
239 par0[48] = -dz+kZch41;
241 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
243 par0[51] = -dz+kZch41;
247 par0[54] = -dz+kZch42;
251 par0[57] = -dz+kZch42;
253 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
257 par0[60] = -dz+kZch51;
259 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
261 par0[63] = -dz+kZch51;
265 par0[66] = -dz+kZch52;
269 par0[69] = -dz+kZch52;
271 par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
275 par0[72] = -dz+kZvac10;
277 par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
279 par0[75] = -dz+kZvac10;
283 par0[78] = -dz+kZvac11;
287 par0[81] = -dz+kZvac11;
291 par0[84] = -dz+kZvac12;
295 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
297 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
298 gMC->Gsbool("YMOT","L3DO");
299 gMC->Gsbool("YMOT","L3O1");
300 gMC->Gsbool("YMOT","L3O2");
306 // First section: bellows below and behind front absorber
312 dl=(kZvac4-zstart)/2.;
315 par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
316 par1[5] = zstart * TMath::Tan(kAccMin);
318 par1[6] = -dl+kZvac1-zstart;
319 par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
320 par1[8] = kZvac1 * TMath::Tan(kAccMin);
322 par1[9] = par1[6]+kDr11/2.;
323 par1[10] = par1[7]+kDr11;
324 par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
326 par1[12] = -dl+dRear1;
328 par1[14] = kZRear * TMath::Tan(kAccMin);
330 par1[15] = -dl+dRear1;
334 par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
338 par1[21] = par1[18]+kDr12;
339 par1[22] = par1[19]+kDr12;
342 par1[24] = par1[21]+kDF1;
346 par1[27] = par1[24]+kDr12;
347 par1[28] = par1[25]-kDr12;
350 par1[30] = par1[27]+kDB1;
354 par1[33] = par1[30]+kDr13;
355 par1[34] = par1[31]-kDr13;
358 par1[36] = -dl+kZvac4-zstart;
362 Float_t r2 = par1[37];
363 Float_t rBox= par1[31]-0.1;
365 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
368 for (i=0; i<39; i++) pars1[i] = par1[i];
369 for (i=4; i<38; i+=3) pars1[i] = 0.;
371 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
372 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
374 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
379 tpar[0]=kR11-kDRSteel2;
381 tpar[2]=(kZvac4-kZvac3)/2.;
382 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
384 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
387 // 1st section: vacuum system
399 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
402 tpar[0]=kRB1+kHB1-kEB1;
404 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
405 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
411 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
418 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
421 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
424 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
427 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
430 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
433 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
437 tpar[1]=kRB1+kHB1+0.5;
439 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
440 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
442 Float_t bsize = tpar[2];
445 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
447 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
448 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
450 dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
451 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
459 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
464 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
469 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
472 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
473 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
475 dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
476 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
479 // pipe between flange and bellows
485 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
489 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
490 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
493 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
495 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
498 // Pipe+Heating 1.5 mm
499 // Heating Jacket 5.0 mm
501 // ========================
503 // pipe and heating jackets outside bellows
506 cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
507 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
508 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
509 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
510 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
511 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
516 cpar[1]=cpar0[1]+0.15;
517 cpar[2]=cpar0[1]+0.65;
518 cpar[3]=cpar0[3]+0.15;
519 cpar[4]=cpar0[3]+0.65;
520 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
521 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
523 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
529 cpar0[0] = (kZvac4-kZvac3)/2;
531 cpar0[2] = cpar0[1]+dVacuS;
532 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
533 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
534 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
535 Float_t r2V=cpar0[3];
539 cpar[1] = cpar0[1]+dTubeS;
540 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
541 cpar[3] = cpar0[3]+dTubeS;
542 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
543 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
544 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
547 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
551 // Between first and second bellow section
557 dl=(kZvac7-kZvac4)/2.;
567 par2[9] = -dl+(kZvac6-kZvac4);
568 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
571 par2[12] = -dl+(kZvac6-kZvac4);
573 par2[14] = kZvac6*TMath::Tan(kAccMin);
575 // Start of Pb section
576 par2[15] = -dl+(kZPb-kZvac4);
577 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
578 par2[17] = kZPb*TMath::Tan(kAccMin);
580 // end of cone following 2 deg line
581 par2[18] = -dl+(kZConeE-kZvac4);
582 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
585 par2[21] = -dl+(kZch31-kZvac4);
586 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
589 par2[24] = -dl+(kZch31-kZvac4);
590 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
593 par2[27] = -dl+(kZch32-kZvac4);
594 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
597 par2[30] = -dl+(kZch32-kZvac4);
598 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
601 par2[33] = -dl+(kZvac7-kZvac4);
602 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
605 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
614 Float_t dlPb=(kZvac7-kZPb)/2.;
617 parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
618 parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
620 parPb[6] = -dlPb+(kZConeE-kZPb);
621 parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
625 parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
628 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
629 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
638 Float_t dlW=(kZPb-kZvac4)/2.;
642 parW[5] = kR21-kDRSteel2;
644 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
645 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
646 parW[8] = kR21-kDRSteel2;
648 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
649 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
650 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
653 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
654 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
656 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
657 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
659 for (i=4; i<35; i+=3) par2[i] = 0;
661 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
662 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
664 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
668 // 2nd section: vacuum system
670 cpar0[0]=(kZvac7-kZvac4)/2;
673 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
674 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
675 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
679 cpar[1]=cpar0[1]+dTubeS;
680 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
681 cpar[3]=cpar0[3]+dTubeS;
682 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
683 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
684 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
685 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
688 // Third Section: Bellows and Flange
693 dl=(kZvac9-kZvac7)/2.;
696 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
700 par3[7] = par3[4]+kDr21;
703 par3[9] = par3[6]+kDB2;
707 par3[12] = par3[9]+kDr22;
708 par3[13] = par3[10]+kDr22;
711 par3[15] = par3[12]+kDF2;
715 par3[18] = par3[15]+kDr22;
716 par3[19] = par3[16]-kDr22;
719 par3[21] = par3[18]+kDB2;
723 par3[24] = par3[21]+kDr23;
730 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
732 for (i=4; i<26; i+=3) par3[i] = 0;
734 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
735 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
742 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
743 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
745 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
749 // 3rd section: vacuum system
757 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
760 tpar[0]=kRB2+kHB2-kEB2;
762 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
763 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
769 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
776 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
779 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
782 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
785 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
788 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
791 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
797 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
800 for (i=0; i<7; i++) {
801 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
805 dz=-dl+kDr21+tpar[2];
806 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
809 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
817 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
822 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
823 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
828 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
830 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
832 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
834 dz=kDr21/2.-kDr23/2.;
835 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
839 // pipe between flange and bellows
842 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
843 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
844 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
845 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
846 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
847 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
852 // 4th section: rear shield and closing cone
857 dl=(kZvac12-kZvac9)/2.;
867 par4[9] = -dl+(kZvac10-kZvac9);
868 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
875 par4[15] = -dl+(kZvac11-kZvac9);
876 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
883 par4[21] = -dl+(kZvac12-kZvac9);
884 par4[22] = kRVacu+dVacuS;
887 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
889 // parPb[0] = (kZvac12-kZvac10)/2.;
890 // parPb[1] = parPb[3];
892 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
894 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
895 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
897 for (i=4; i<23; i+=3) par4[i] = 0;
899 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
900 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
905 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
908 // Closing concrete cone
910 cpar[0]=(kZvac12-kZvac11)/2.;
911 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
912 cpar[2] = cpar[1]+0.001;
913 cpar[3] = kRVacu+dVacuS;
915 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
917 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
924 tpar[2]=(kZvac10-kZvac9)/2.;
925 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
927 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
930 tpar[0]=kR41-kDRSteel2;
932 tpar[2]=(kZvac11-kZvac10)/2.;
933 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
935 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
941 tpar[2]=(kZvac11-kZvac10)/2.;
942 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
944 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
948 tpar[2]=(kZvac11-kZvac10)/2.;
949 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
950 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
958 tpar[2]=(kZvac12-kZvac11)/2.;
959 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
961 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
966 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
967 dz=-(kZvac12-kZvac11)/2.+tpar[2];
968 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
975 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
979 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
980 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
984 if (gMC->VolId("HUP2")) {
985 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
988 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
993 // 4th section: vacuum system
995 // up to closing cone
997 Float_t r3V=r3-kDr23+dVacuS-1.6;
999 cpar0[0]=(kZvac11-kZvac9)/2;
1000 cpar0[1]=r3V-dVacuS;
1002 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1003 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1004 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
1008 cpar[1]=cpar0[1]+dTubeS;
1009 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1010 cpar[3]=cpar0[3]+dTubeS;
1011 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1012 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
1013 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1015 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1018 cpar0[0]=(kZvac12-kZvac11)/2;
1019 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1020 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1022 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
1023 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1027 cpar[1]=cpar0[1]+dTubeS;
1028 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1029 cpar[3]=cpar0[3]+dTubeS;
1030 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1031 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1032 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1035 // cpar[1]=cpar0[2]-kDProtS-kDFreeS;
1036 // cpar[2]=cpar0[2]-kDProtS;
1037 // cpar[3]=cpar0[4]-kDProtS-kDFreeS;
1038 // cpar[4]=cpar0[4]-kDProtS;
1039 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1040 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1043 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1046 // MUON trigger wall
1050 tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
1051 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1052 dz = (kZFilterIn + kZFilterOut) / 2.;
1054 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1055 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1056 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1058 // Shielding close to chamber
1061 cpar[0]=(kZch11-kZRear)/2.;
1063 cpar[2]=kZRear*TMath::Tan(kAccMin);
1065 cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
1066 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1067 dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
1068 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1070 cpar[0]=(kZvac4-kZch12)/2.;
1072 cpar[2]=kZch12*TMath::Tan(kAccMin);
1074 cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
1075 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1076 dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
1077 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1082 cpar[0]=(kZch12-kZch11)/2.;
1087 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1088 dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
1089 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1098 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1101 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1102 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1103 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1104 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1111 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1112 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1118 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1119 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1125 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1126 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1132 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1133 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1139 cpar[0]=(kZch21-kZvac4)/2.;
1141 cpar[2]=kZvac4*TMath::Tan(kAccMin);
1143 cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
1144 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1145 dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
1146 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1148 cpar[0]=(kZvac6-kZch22)/2.;
1150 cpar[2]=kZch22*TMath::Tan(kAccMin);
1152 cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
1153 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1154 dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
1155 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1159 cpar[0]=(kZch22-kZch21)/2.;
1164 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1165 dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
1166 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1173 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1179 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1180 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1186 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1187 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1193 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1194 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1200 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1201 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1209 dl = (kZvac10-kZch32)/2.;
1218 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1221 par0[ 6] = -dz + kZch41;
1223 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1225 par0[ 9] = -dz + kZch41;
1229 par0[12] = -dz + kZch42;
1231 par0[14] = par0[11];
1233 par0[15] = -dz + kZch42;
1235 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1238 par0[18] = -dz + kZch51;
1240 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1242 par0[21] = -dz + kZch51;
1244 par0[23] = 37.5; // recess erice2000
1246 par0[24] = -dz + kZch52;
1248 par0[26] = par0[23];
1250 par0[27] = -dz + kZch52;
1252 par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1256 par0[32] = par0[29];
1258 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1259 dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
1260 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1264 void AliSHILv0::Init()
1267 // Initialise the muon shield after it has been built
1273 printf("\n%s: ",ClassName());
1274 for(i=0;i<35;i++) printf("*");
1275 printf(" SHILv0_INIT ");
1276 for(i=0;i<35;i++) printf("*");
1277 printf("\n%s: ",ClassName());
1279 // Here the SHIL initialisation code (if any!)
1280 for(i=0;i<80;i++) printf("*");