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 **************************************************************************/
18 Revision 1.15 2001/11/05 10:41:06 morsch
19 Avoid overlap of compensation magnet with HALL.
21 Revision 1.14 2001/10/26 08:36:19 morsch
24 Revision 1.13 2001/04/23 23:12:41 morsch
25 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
27 Revision 1.12 2001/03/16 16:26:05 morsch
28 Put vacuum in beam-pipe not air.
30 Revision 1.11 2000/10/27 15:21:24 morsch
31 Shield composition after muon project leader meeting: 24/10/2000
32 - 1 cm recess in steel for station 3
33 - no heavy shielding between chambers for stations 1 and 2
35 Revision 1.10 2000/10/02 21:28:15 fca
36 Removal of useless dependecies via forward declarations
38 Revision 1.9 2000/09/12 17:00:45 morsch
39 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
41 Revision 1.8 2000/09/12 16:11:43 morsch
42 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
43 - Recesses for chambers added to outer Pb cone.
45 Revision 1.7 2000/06/15 09:40:31 morsch
46 Obsolete typedef keyword removed
48 Revision 1.6 2000/06/13 15:01:38 morsch
49 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
51 Revision 1.5 2000/06/12 19:40:00 morsch
52 New structure of beam pipe and heating jacket.
53 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
55 Revision 1.4 2000/04/03 08:13:40 fca
56 Introduce extra scope for non ANSI compliant C++ compilers
58 Revision 1.3 2000/01/17 10:29:30 morsch
59 Overlap between Shield and Absorber due to limited numerical precision removed
60 by displacing the Shield by epsilon = 0.01 cm.
62 Revision 1.2 2000/01/13 11:27:51 morsch
63 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
65 Revision 1.1 2000/01/12 15:44:03 morsch
66 Standard version of SHIL
70 ///////////////////////////////////////////////////////////////////////////////
72 // Muon Shield Class //
73 // This class contains a description of the muon shield //
77 <img src="picts/AliSHILClass.gif">
82 ///////////////////////////////////////////////////////////////////////////////
84 #include "AliSHILv0.h"
91 //_____________________________________________________________________________
92 AliSHILv0::AliSHILv0()
95 // Default constructor for muon shield
99 //_____________________________________________________________________________
100 AliSHILv0::AliSHILv0(const char *name, const char *title)
101 : AliSHIL(name,title)
104 // Standard constructor for muon shield
109 // Pb cone not yet compatible with muon chamber inner radii
110 // Switched off by default
114 //_____________________________________________________________________________
115 void AliSHILv0::CreateGeometry()
118 // Build muon shield geometry
123 <img src="picts/AliSHILv0.gif">
128 <img src="picts/AliSHILv0Tree.gif">
132 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[27], par3[27],
136 Int_t *idtmed = fIdtmed->GetArray()-1699;
138 #include "ABSOSHILConst.h"
139 #include "SHILConst.h"
141 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
142 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
143 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
145 // Material of the rear part of the shield
147 if (fPbCone) iHeavy=kPb;
151 Float_t dRear1=dRear;
153 Float_t zstart=zRear-dRear1;
159 Float_t dl=(zvac12-zstart)/2.;
165 par0[5] = zstart * TMath::Tan(accMin);
169 par0[8] = zch11 * TMath::Tan(accMin);
175 par0[12] = -dz+zch12;
181 par0[17] = zch12 * TMath::Tan(accMin);
183 par0[18] = -dz+zch21;
185 par0[20] = zch21 * TMath::Tan(accMin);
187 par0[21] = -dz+zch21;
191 par0[24] = -dz+zch22;
195 par0[27] = -dz+zch22;
197 par0[29] = zch22 * TMath::Tan(accMin);
199 par0[30] = -dz+zvac6;
201 par0[32] = zvac6 * TMath::Tan(accMin);
203 par0[33] = -dz+zConeE;
207 par0[36] = -dz+zch31;
211 par0[39] = -dz+zch31;
215 par0[42] = -dz+zch32;
218 // start of 1.6 deg cone
219 par0[45] = -dz+zch32;
221 par0[47] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
223 par0[48] = -dz+zch41;
225 par0[50] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
227 par0[51] = -dz+zch41;
231 par0[54] = -dz+zch42;
235 par0[57] = -dz+zch42;
237 par0[59] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
241 par0[60] = -dz+zch51;
243 par0[62] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
245 par0[63] = -dz+zch51;
249 par0[66] = -dz+zch52;
253 par0[69] = -dz+zch52;
255 par0[71] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
259 par0[72] = -dz+zvac10;
261 par0[74] = 30.+(zvac10-zConeE)*TMath::Tan(thetaOpenPbO);
263 par0[75] = -dz+zvac10;
267 par0[78] = -dz+zvac11;
271 par0[81] = -dz+zvac11;
275 par0[84] = -dz+zvac12;
279 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
281 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
287 // First section: bellows below and behind front absorber
293 dl=(zvac4-zstart)/2.;
296 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
297 par1[5] = zstart * TMath::Tan(accMin);
299 par1[6] = -dl+zvac1-zstart;
300 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
301 par1[8] = zvac1 * TMath::Tan(accMin);
303 par1[9] = par1[6]+dr11/2.;
304 par1[10] = par1[7]+dr11;
305 par1[11] = (zvac1+dr11/2.) * TMath::Tan(accMin);
307 par1[12] = -dl+dRear1;
309 par1[14] = zRear * TMath::Tan(accMin);
311 par1[15] = -dl+dRear1;
315 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
319 par1[21] = par1[18]+dr12;
320 par1[22] = par1[19]+dr12;
323 par1[24] = par1[21]+dF1;
327 par1[27] = par1[24]+dr12;
328 par1[28] = par1[25]-dr12;
331 par1[30] = par1[27]+dB1;
335 par1[33] = par1[30]+dr13;
336 par1[34] = par1[31]-dr13;
339 par1[36] = -dl+zvac4-zstart;
343 Float_t r2 = par1[37];
344 Float_t rBox= par1[31]-0.1;
345 Float_t rc1 = par1[7];
347 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
350 for (i=0; i<39; i++) pars1[i] = par1[i];
351 for (i=4; i<38; i+=3) pars1[i] = 0.;
353 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
354 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
356 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
361 tpar[0]=R11-dRSteel2;
363 tpar[2]=(zvac4-zvac3)/2.;
364 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
366 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
369 // 1st section: vacuum system
377 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
382 tpar[2]=(lB1/2.-2.*eB1)/2.;
383 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
389 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
396 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
399 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
402 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
405 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
408 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
411 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
417 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
418 Float_t bsize = tpar[2];
420 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
421 gMC->Gspos("YBI1", 2, "YBM1", 0., 0., 0., 0, "ONLY");
425 for (i=0; i<10; i++) {
426 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
430 dz=-dl+(zvac1-zstart)+dr11+bsize;
431 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
433 dz=dl-dr13-(zvac4-zvac3)-bsize;
434 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
443 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
448 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
453 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
456 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
457 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
459 dz=-dl+(zvac2-zstart);
460 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
463 // pipe between flange and bellows
468 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
469 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
473 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
474 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
476 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
477 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
478 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
479 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
481 // Pipe+Heating 1.5 mm
482 // Heating Jacket 5.0 mm
484 // ========================
486 // pipe and heating jackets outside bellows
489 cpar0[0]=(zvac1+dr11-zstart)/2;
490 cpar0[1]=rVacu-0.05 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
491 cpar0[2]=rVacu+0.7 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
492 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
493 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
494 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
499 cpar[1]=cpar0[1]+0.15;
500 cpar[2]=cpar0[1]+0.65;
501 cpar[3]=cpar0[3]+0.15;
502 cpar[4]=cpar0[3]+0.65;
503 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
504 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
506 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
512 cpar0[0] = (zvac4-zvac3)/2;
514 cpar0[2] = cpar0[1]+dVacuS;
515 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
516 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
517 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
518 Float_t r2V=cpar0[3];
522 cpar[1] = cpar0[1]+dTubeS;
523 cpar[2] = cpar0[1]+dTubeS+dInsuS;
524 cpar[3] = cpar0[3]+dTubeS;
525 cpar[4] = cpar0[3]+dTubeS+dInsuS;
526 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
527 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
530 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
533 // Between first and second bellow section
549 par2[9] = -dl+(zvac6-zvac4);
550 par2[10] = r2+(zvac6-zvac4-10.) * TMath::Tan(thetaOpen2);
553 par2[12] = -dl+(zvac6-zvac4);
555 par2[14] = zvac6*TMath::Tan(accMin);
557 // Start of Pb section
558 par2[15] = -dl+(zPb-zvac4);
559 par2[16] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
560 par2[17] = zPb*TMath::Tan(accMin);
562 // end of cone following 2 deg line
563 par2[18] = -dl+(zConeE-zvac4);
564 par2[19] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
567 par2[21] = -dl+(zch31-zvac4);
568 par2[22] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
571 par2[24] = -dl+(zch31-zvac4);
572 par2[25] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
575 par2[27] = -dl+(zch32-zvac4);
576 par2[28] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
579 par2[30] = -dl+(zch32-zvac4);
580 par2[31] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
583 par2[33] = -dl+(zvac7-zvac4);
584 par2[34] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
587 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
596 Float_t dlPb=(zvac7-zPb)/2.;
599 parPb[4] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
600 parPb[5] = zPb*TMath::Tan(accMin)-dRSteel2;
602 parPb[6] = -dlPb+(zConeE-zPb);
603 parPb[7] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
607 parPb[10] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
610 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
611 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
620 Float_t dlW=(zPb-zvac4)/2.;
624 parW[5] = R21-dRSteel2;
626 parW[6] = -dlW+(zvac6-zvac4)+dRSteel2;
627 parW[7] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
628 parW[8] = R21-dRSteel2;
630 parW[9] = -dlW+(zvac6-zvac4)+dRSteel2;
631 parW[10] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
632 parW[11] = (zvac6+dRSteel2)*TMath::Tan(accMin)-dRSteel2;
635 parW[13] = r2+(zPb-zvac4) * TMath::Tan(thetaOpen2);
636 parW[14] = zPb*TMath::Tan(accMin)-dRSteel2;
638 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
639 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(zvac7-zPb)/2., 0, "ONLY");
641 for (i=4; i<35; i+=3) par2[i] = 0;
643 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
644 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
646 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
650 // 2nd section: vacuum system
652 cpar0[0]=(zvac7-zvac4)/2;
655 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
656 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
657 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
661 cpar[1]=cpar0[1]+dTubeS;
662 cpar[2]=cpar0[1]+dTubeS+dInsuS;
663 cpar[3]=cpar0[3]+dTubeS;
664 cpar[4]=cpar0[3]+dTubeS+dInsuS;
665 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
666 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
667 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
670 // Third Section: Bellows and Flange
678 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
682 par3[7] = par3[4]+dr21;
685 par3[9] = par3[6]+dB2;
689 par3[12] = par3[9]+dr22;
690 par3[13] = par3[10]+dr22;
693 par3[15] = par3[12]+dF2;
697 par3[18] = par3[15]+dr22;
698 par3[19] = par3[16]-dr22;
701 par3[21] = par3[18]+dB2;
705 par3[24] = par3[21]+dr23;
712 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
714 for (i=4; i<26; i+=3) par3[i] = 0;
716 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
717 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
724 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
725 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
727 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
731 // 3rd section: vacuum system
739 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
744 tpar[2]=(lB2/2.-2.*eB2)/2.;
745 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
751 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
758 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
761 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
764 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
767 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
770 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
773 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
779 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
782 for (i=0; i<7; i++) {
783 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
788 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
791 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
799 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
804 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
805 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
810 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
812 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
814 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
817 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
821 // pipe between flange and bellows
824 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
825 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
826 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
827 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
828 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
829 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
834 // 4th section: rear shield and closing cone
839 dl=(zvac12-zvac9)/2.;
849 par4[9] = -dl+(zvac10-zvac9);
850 par4[10] = r3+(zvac10-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
857 par4[15] = -dl+(zvac11-zvac9);
858 par4[16] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
865 par4[21] = -dl+(zvac12-zvac9);
866 par4[22] = rVacu+dVacuS;
869 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
871 parPb[0] = (zvac12-zvac10)/2.;
874 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
876 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
877 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
879 for (i=4; i<23; i+=3) par4[i] = 0;
881 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
882 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
887 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
890 // Closing concrete cone
892 cpar[0]=(zvac12-zvac11)/2.;
893 cpar[1] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
894 cpar[2] = cpar[1]+0.001;
895 cpar[3] = rVacu+dVacuS;
897 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
899 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
906 tpar[2]=(zvac10-zvac9)/2.;
907 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
909 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
912 tpar[0]=R41-dRSteel2;
914 tpar[2]=(zvac11-zvac10)/2.;
915 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
917 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
923 tpar[2]=(zvac11-zvac10)/2.;
924 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
926 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
930 tpar[2]=(zvac11-zvac10)/2.;
931 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
932 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
940 tpar[2]=(zvac12-zvac11)/2.;
941 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
943 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
948 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
949 dz=-(zvac12-zvac11)/2.+tpar[2];
950 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
957 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
961 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
962 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
966 if (gMC->VolId("HUP2")) {
967 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
970 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
975 // 4th section: vacuum system
977 // up to closing cone
979 Float_t r3V=r3-dr23+dVacuS-1.6;
981 cpar0[0]=(zvac11-zvac9)/2;
984 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
985 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
986 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
990 cpar[1]=cpar0[1]+dTubeS;
991 cpar[2]=cpar0[1]+dTubeS+dInsuS;
992 cpar[3]=cpar0[3]+dTubeS;
993 cpar[4]=cpar0[3]+dTubeS+dInsuS;
994 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
995 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
997 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1000 cpar0[0]=(zvac12-zvac11)/2;
1001 cpar0[1]=r3V-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1002 cpar0[2]=r3V +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1004 cpar0[4]=rVacu+dTubeS+dInsuS+dProtS+dFreeS;
1005 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1009 cpar[1]=cpar0[1]+dTubeS;
1010 cpar[2]=cpar0[1]+dTubeS+dInsuS;
1011 cpar[3]=cpar0[3]+dTubeS;
1012 cpar[4]=cpar0[3]+dTubeS+dInsuS;
1013 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1014 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1017 // cpar[1]=cpar0[2]-dProtS-dFreeS;
1018 // cpar[2]=cpar0[2]-dProtS;
1019 // cpar[3]=cpar0[4]-dProtS-dFreeS;
1020 // cpar[4]=cpar0[4]-dProtS;
1021 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1022 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1025 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1028 // MUON trigger wall
1032 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1033 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1034 dz = (zFilterIn + zFilterOut) / 2.;
1036 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1037 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1038 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1040 // Shielding close to chamber
1043 cpar[0]=(zch11-zRear)/2.;
1045 cpar[2]=zRear*TMath::Tan(accMin);
1047 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1048 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1049 dz=-(zvac12-zstart)/2.+(zRear-zstart)+cpar[0];
1050 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1052 cpar[0]=(zvac4-zch12)/2.;
1054 cpar[2]=zch12*TMath::Tan(accMin);
1056 cpar[4]=(zch12+2.*cpar[0])*TMath::Tan(accMin);
1057 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1058 dz=-(zvac12-zstart)/2.+(zch12-zstart)+cpar[0];
1059 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1064 cpar[0]=(zch12-zch11)/2.;
1069 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1070 dz=-(zvac12-zstart)/2.+(zch11-zstart)+cpar[0];
1071 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1080 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1083 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1084 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1085 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1086 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1093 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1094 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1100 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1101 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1107 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1108 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1114 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1115 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1121 cpar[0]=(zch21-zvac4)/2.;
1123 cpar[2]=zvac4*TMath::Tan(accMin);
1125 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1126 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1127 dz=-(zvac12-zstart)/2.+(zvac4-zstart)+cpar[0];
1128 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1130 cpar[0]=(zvac6-zch22)/2.;
1132 cpar[2]=zch22*TMath::Tan(accMin);
1134 cpar[4]=(zch22+2.*cpar[0])*TMath::Tan(accMin);
1135 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1136 dz=-(zvac12-zstart)/2.+(zch22-zstart)+cpar[0];
1137 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1141 cpar[0]=(zch22-zch21)/2.;
1146 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1147 dz=-(zvac12-zstart)/2.+(zch21-zstart)+cpar[0];
1148 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1155 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1161 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1162 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1168 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1169 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1175 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1176 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1182 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1183 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1191 dl = (zvac10-zch32)/2.;
1200 par0[ 5] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
1203 par0[ 6] = -dz + zch41;
1205 par0[ 8] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
1207 par0[ 9] = -dz + zch41;
1211 par0[12] = -dz + zch42;
1213 par0[14] = par0[11];
1215 par0[15] = -dz + zch42;
1217 par0[17] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
1220 par0[18] = -dz + zch51;
1222 par0[20] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
1224 par0[21] = -dz + zch51;
1226 par0[23] = 37.5; // recess erice2000
1228 par0[24] = -dz + zch52;
1230 par0[26] = par0[23];
1232 par0[27] = -dz + zch52;
1234 par0[29] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
1238 par0[32] = par0[29];
1240 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1241 dz = -(zvac12-zstart)/2. + (zch32-zstart) + dl;
1242 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1246 void AliSHILv0::Init()
1249 // Initialise the muon shield after it has been built
1255 printf("\n%s: ",ClassName());
1256 for(i=0;i<35;i++) printf("*");
1257 printf(" SHILv0_INIT ");
1258 for(i=0;i<35;i++) printf("*");
1259 printf("\n%s: ",ClassName());
1261 // Here the SHIL initialisation code (if any!)
1262 for(i=0;i<80;i++) printf("*");