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 1.14 2001/10/26 08:36:19 morsch
21 Revision 1.13 2001/04/23 23:12:41 morsch
22 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
24 Revision 1.12 2001/03/16 16:26:05 morsch
25 Put vacuum in beam-pipe not air.
27 Revision 1.11 2000/10/27 15:21:24 morsch
28 Shield composition after muon project leader meeting: 24/10/2000
29 - 1 cm recess in steel for station 3
30 - no heavy shielding between chambers for stations 1 and 2
32 Revision 1.10 2000/10/02 21:28:15 fca
33 Removal of useless dependecies via forward declarations
35 Revision 1.9 2000/09/12 17:00:45 morsch
36 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
38 Revision 1.8 2000/09/12 16:11:43 morsch
39 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
40 - Recesses for chambers added to outer Pb cone.
42 Revision 1.7 2000/06/15 09:40:31 morsch
43 Obsolete typedef keyword removed
45 Revision 1.6 2000/06/13 15:01:38 morsch
46 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
48 Revision 1.5 2000/06/12 19:40:00 morsch
49 New structure of beam pipe and heating jacket.
50 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
52 Revision 1.4 2000/04/03 08:13:40 fca
53 Introduce extra scope for non ANSI compliant C++ compilers
55 Revision 1.3 2000/01/17 10:29:30 morsch
56 Overlap between Shield and Absorber due to limited numerical precision removed
57 by displacing the Shield by epsilon = 0.01 cm.
59 Revision 1.2 2000/01/13 11:27:51 morsch
60 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
62 Revision 1.1 2000/01/12 15:44:03 morsch
63 Standard version of SHIL
67 ///////////////////////////////////////////////////////////////////////////////
69 // Muon Shield Class //
70 // This class contains a description of the muon shield //
74 <img src="picts/AliSHILClass.gif">
79 ///////////////////////////////////////////////////////////////////////////////
81 #include "AliSHILv0.h"
88 //_____________________________________________________________________________
89 AliSHILv0::AliSHILv0()
92 // Default constructor for muon shield
96 //_____________________________________________________________________________
97 AliSHILv0::AliSHILv0(const char *name, const char *title)
101 // Standard constructor for muon shield
106 // Pb cone not yet compatible with muon chamber inner radii
107 // Switched off by default
111 //_____________________________________________________________________________
112 void AliSHILv0::CreateGeometry()
115 // Build muon shield geometry
120 <img src="picts/AliSHILv0.gif">
125 <img src="picts/AliSHILv0Tree.gif">
129 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[27], par3[27],
133 Int_t *idtmed = fIdtmed->GetArray()-1699;
135 #include "ABSOSHILConst.h"
136 #include "SHILConst.h"
138 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
139 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
140 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
142 // Material of the rear part of the shield
144 if (fPbCone) iHeavy=kPb;
148 Float_t dRear1=dRear;
150 Float_t zstart=zRear-dRear1;
156 Float_t dl=(zvac12-zstart)/2.;
162 par0[5] = zstart * TMath::Tan(accMin);
166 par0[8] = zch11 * TMath::Tan(accMin);
172 par0[12] = -dz+zch12;
178 par0[17] = zch12 * TMath::Tan(accMin);
180 par0[18] = -dz+zch21;
182 par0[20] = zch21 * TMath::Tan(accMin);
184 par0[21] = -dz+zch21;
188 par0[24] = -dz+zch22;
192 par0[27] = -dz+zch22;
194 par0[29] = zch22 * TMath::Tan(accMin);
196 par0[30] = -dz+zvac6;
198 par0[32] = zvac6 * TMath::Tan(accMin);
200 par0[33] = -dz+zConeE;
204 par0[36] = -dz+zch31;
208 par0[39] = -dz+zch31;
212 par0[42] = -dz+zch32;
215 // start of 1.6 deg cone
216 par0[45] = -dz+zch32;
218 par0[47] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
220 par0[48] = -dz+zch41;
222 par0[50] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
224 par0[51] = -dz+zch41;
228 par0[54] = -dz+zch42;
232 par0[57] = -dz+zch42;
234 par0[59] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
238 par0[60] = -dz+zch51;
240 par0[62] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
242 par0[63] = -dz+zch51;
246 par0[66] = -dz+zch52;
250 par0[69] = -dz+zch52;
252 par0[71] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
256 par0[72] = -dz+zvac10;
258 par0[74] = 30.+(zvac10-zConeE)*TMath::Tan(thetaOpenPbO);
260 par0[75] = -dz+zvac10;
264 par0[78] = -dz+zvac11;
268 par0[81] = -dz+zvac11;
272 par0[84] = -dz+zvac12;
276 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
278 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
284 // First section: bellows below and behind front absorber
290 dl=(zvac4-zstart)/2.;
293 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
294 par1[5] = zstart * TMath::Tan(accMin);
296 par1[6] = -dl+zvac1-zstart;
297 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
298 par1[8] = zvac1 * TMath::Tan(accMin);
300 par1[9] = par1[6]+dr11/2.;
301 par1[10] = par1[7]+dr11;
302 par1[11] = (zvac1+dr11/2.) * TMath::Tan(accMin);
304 par1[12] = -dl+dRear1;
306 par1[14] = zRear * TMath::Tan(accMin);
308 par1[15] = -dl+dRear1;
312 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
316 par1[21] = par1[18]+dr12;
317 par1[22] = par1[19]+dr12;
320 par1[24] = par1[21]+dF1;
324 par1[27] = par1[24]+dr12;
325 par1[28] = par1[25]-dr12;
328 par1[30] = par1[27]+dB1;
332 par1[33] = par1[30]+dr13;
333 par1[34] = par1[31]-dr13;
336 par1[36] = -dl+zvac4-zstart;
340 Float_t r2 = par1[37];
341 Float_t rBox= par1[31]-0.1;
342 Float_t rc1 = par1[7];
344 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
347 for (i=0; i<39; i++) pars1[i] = par1[i];
348 for (i=4; i<38; i+=3) pars1[i] = 0.;
350 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
351 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
353 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
358 tpar[0]=R11-dRSteel2;
360 tpar[2]=(zvac4-zvac3)/2.;
361 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
363 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
366 // 1st section: vacuum system
374 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
379 tpar[2]=(lB1/2.-2.*eB1)/2.;
380 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
386 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
393 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
396 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
399 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
402 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
405 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
408 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
414 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
415 Float_t bsize = tpar[2];
417 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
418 gMC->Gspos("YBI1", 2, "YBM1", 0., 0., 0., 0, "ONLY");
422 for (i=0; i<10; i++) {
423 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
427 dz=-dl+(zvac1-zstart)+dr11+bsize;
428 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
430 dz=dl-dr13-(zvac4-zvac3)-bsize;
431 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
440 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
445 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
450 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
453 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
454 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
456 dz=-dl+(zvac2-zstart);
457 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
460 // pipe between flange and bellows
465 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
466 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
470 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
471 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
473 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
474 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
475 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
476 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
478 // Pipe+Heating 1.5 mm
479 // Heating Jacket 5.0 mm
481 // ========================
483 // pipe and heating jackets outside bellows
486 cpar0[0]=(zvac1+dr11-zstart)/2;
487 cpar0[1]=rVacu-0.05 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
488 cpar0[2]=rVacu+0.7 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
489 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
490 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
491 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
496 cpar[1]=cpar0[1]+0.15;
497 cpar[2]=cpar0[1]+0.65;
498 cpar[3]=cpar0[3]+0.15;
499 cpar[4]=cpar0[3]+0.65;
500 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
501 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
503 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
509 cpar0[0] = (zvac4-zvac3)/2;
511 cpar0[2] = cpar0[1]+dVacuS;
512 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
513 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
514 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
515 Float_t r2V=cpar0[3];
519 cpar[1] = cpar0[1]+dTubeS;
520 cpar[2] = cpar0[1]+dTubeS+dInsuS;
521 cpar[3] = cpar0[3]+dTubeS;
522 cpar[4] = cpar0[3]+dTubeS+dInsuS;
523 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
524 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
527 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
530 // Between first and second bellow section
546 par2[9] = -dl+(zvac6-zvac4);
547 par2[10] = r2+(zvac6-zvac4-10.) * TMath::Tan(thetaOpen2);
550 par2[12] = -dl+(zvac6-zvac4);
552 par2[14] = zvac6*TMath::Tan(accMin);
554 // Start of Pb section
555 par2[15] = -dl+(zPb-zvac4);
556 par2[16] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
557 par2[17] = zPb*TMath::Tan(accMin);
559 // end of cone following 2 deg line
560 par2[18] = -dl+(zConeE-zvac4);
561 par2[19] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
564 par2[21] = -dl+(zch31-zvac4);
565 par2[22] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
568 par2[24] = -dl+(zch31-zvac4);
569 par2[25] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
572 par2[27] = -dl+(zch32-zvac4);
573 par2[28] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
576 par2[30] = -dl+(zch32-zvac4);
577 par2[31] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
580 par2[33] = -dl+(zvac7-zvac4);
581 par2[34] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
584 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
593 Float_t dlPb=(zvac7-zPb)/2.;
596 parPb[4] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
597 parPb[5] = zPb*TMath::Tan(accMin)-dRSteel2;
599 parPb[6] = -dlPb+(zConeE-zPb);
600 parPb[7] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
604 parPb[10] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
607 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
608 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
617 Float_t dlW=(zPb-zvac4)/2.;
621 parW[5] = R21-dRSteel2;
623 parW[6] = -dlW+(zvac6-zvac4)+dRSteel2;
624 parW[7] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
625 parW[8] = R21-dRSteel2;
627 parW[9] = -dlW+(zvac6-zvac4)+dRSteel2;
628 parW[10] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
629 parW[11] = (zvac6+dRSteel2)*TMath::Tan(accMin)-dRSteel2;
632 parW[13] = r2+(zPb-zvac4) * TMath::Tan(thetaOpen2);
633 parW[14] = zPb*TMath::Tan(accMin)-dRSteel2;
635 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
636 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(zvac7-zPb)/2., 0, "ONLY");
638 for (i=4; i<35; i+=3) par2[i] = 0;
640 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
641 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
643 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
647 // 2nd section: vacuum system
649 cpar0[0]=(zvac7-zvac4)/2;
652 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
653 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
654 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
658 cpar[1]=cpar0[1]+dTubeS;
659 cpar[2]=cpar0[1]+dTubeS+dInsuS;
660 cpar[3]=cpar0[3]+dTubeS;
661 cpar[4]=cpar0[3]+dTubeS+dInsuS;
662 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
663 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
664 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
667 // Third Section: Bellows and Flange
675 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
679 par3[7] = par3[4]+dr21;
682 par3[9] = par3[6]+dB2;
686 par3[12] = par3[9]+dr22;
687 par3[13] = par3[10]+dr22;
690 par3[15] = par3[12]+dF2;
694 par3[18] = par3[15]+dr22;
695 par3[19] = par3[16]-dr22;
698 par3[21] = par3[18]+dB2;
702 par3[24] = par3[21]+dr23;
709 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
711 for (i=4; i<26; i+=3) par3[i] = 0;
713 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
714 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
721 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
722 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
724 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
728 // 3rd section: vacuum system
736 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
741 tpar[2]=(lB2/2.-2.*eB2)/2.;
742 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
748 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
755 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
758 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
761 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
764 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
767 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
770 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
776 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
779 for (i=0; i<7; i++) {
780 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
785 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
788 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
796 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
801 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
802 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
807 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
809 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
811 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
814 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
818 // pipe between flange and bellows
821 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
822 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
823 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
824 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
825 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
826 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
831 // 4th section: rear shield and closing cone
836 dl=(zvac12-zvac9)/2.;
846 par4[9] = -dl+(zvac10-zvac9);
847 par4[10] = r3+(zvac10-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
854 par4[15] = -dl+(zvac11-zvac9);
855 par4[16] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
862 par4[21] = -dl+(zvac12-zvac9);
863 par4[22] = rVacu+dVacuS;
866 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
868 parPb[0] = (zvac12-zvac10)/2.;
871 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
873 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
874 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
876 for (i=4; i<23; i+=3) par4[i] = 0;
878 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
879 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
884 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
887 // Closing concrete cone
889 cpar[0]=(zvac12-zvac11)/2.;
890 cpar[1] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
891 cpar[2] = cpar[1]+0.001;
892 cpar[3] = rVacu+dVacuS;
894 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
896 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
903 tpar[2]=(zvac10-zvac9)/2.;
904 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
906 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
909 tpar[0]=R41-dRSteel2;
911 tpar[2]=(zvac11-zvac10)/2.;
912 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
914 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
920 tpar[2]=(zvac11-zvac10)/2.;
921 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
923 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
927 tpar[2]=(zvac11-zvac10)/2.;
928 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
929 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
937 tpar[2]=(zvac12-zvac11)/2.;
938 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
940 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
945 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
946 dz=-(zvac12-zvac11)/2.+tpar[2];
947 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
954 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
958 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
959 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
963 if (gMC->VolId("HUP2")) {
964 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
967 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
972 // 4th section: vacuum system
974 // up to closing cone
976 Float_t r3V=r3-dr23+dVacuS-1.6;
978 cpar0[0]=(zvac11-zvac9)/2;
981 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
982 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
983 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
987 cpar[1]=cpar0[1]+dTubeS;
988 cpar[2]=cpar0[1]+dTubeS+dInsuS;
989 cpar[3]=cpar0[3]+dTubeS;
990 cpar[4]=cpar0[3]+dTubeS+dInsuS;
991 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
992 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
994 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
997 cpar0[0]=(zvac12-zvac11)/2;
998 cpar0[1]=r3V-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
999 cpar0[2]=r3V +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1001 cpar0[4]=rVacu+dTubeS+dInsuS+dProtS+dFreeS;
1002 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1006 cpar[1]=cpar0[1]+dTubeS;
1007 cpar[2]=cpar0[1]+dTubeS+dInsuS;
1008 cpar[3]=cpar0[3]+dTubeS;
1009 cpar[4]=cpar0[3]+dTubeS+dInsuS;
1010 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1011 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1014 cpar[1]=cpar0[2]-dProtS-dFreeS;
1015 cpar[2]=cpar0[2]-dProtS;
1016 cpar[3]=cpar0[4]-dProtS-dFreeS;
1017 cpar[4]=cpar0[4]-dProtS;
1018 gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1019 gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1022 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1025 // MUON trigger wall
1029 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1030 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1031 dz = (zFilterIn + zFilterOut) / 2.;
1033 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1034 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1035 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1037 // Shielding close to chamber
1040 cpar[0]=(zch11-zRear)/2.;
1042 cpar[2]=zRear*TMath::Tan(accMin);
1044 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1045 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1046 dz=-(zvac12-zstart)/2.+(zRear-zstart)+cpar[0];
1047 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1049 cpar[0]=(zvac4-zch12)/2.;
1051 cpar[2]=zch12*TMath::Tan(accMin);
1053 cpar[4]=(zch12+2.*cpar[0])*TMath::Tan(accMin);
1054 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1055 dz=-(zvac12-zstart)/2.+(zch12-zstart)+cpar[0];
1056 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1061 cpar[0]=(zch12-zch11)/2.;
1066 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1067 dz=-(zvac12-zstart)/2.+(zch11-zstart)+cpar[0];
1068 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1077 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1080 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1081 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1082 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1083 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1090 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1091 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1097 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1098 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1104 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1105 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1111 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1112 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1118 cpar[0]=(zch21-zvac4)/2.;
1120 cpar[2]=zvac4*TMath::Tan(accMin);
1122 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1123 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1124 dz=-(zvac12-zstart)/2.+(zvac4-zstart)+cpar[0];
1125 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1127 cpar[0]=(zvac6-zch22)/2.;
1129 cpar[2]=zch22*TMath::Tan(accMin);
1131 cpar[4]=(zch22+2.*cpar[0])*TMath::Tan(accMin);
1132 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1133 dz=-(zvac12-zstart)/2.+(zch22-zstart)+cpar[0];
1134 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1138 cpar[0]=(zch22-zch21)/2.;
1143 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1144 dz=-(zvac12-zstart)/2.+(zch21-zstart)+cpar[0];
1145 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1152 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1158 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1159 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1165 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1166 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1172 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1173 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1179 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1180 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1188 dl = (zvac10-zch32)/2.;
1197 par0[ 5] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
1200 par0[ 6] = -dz + zch41;
1202 par0[ 8] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
1204 par0[ 9] = -dz + zch41;
1208 par0[12] = -dz + zch42;
1210 par0[14] = par0[11];
1212 par0[15] = -dz + zch42;
1214 par0[17] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
1217 par0[18] = -dz + zch51;
1219 par0[20] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
1221 par0[21] = -dz + zch51;
1223 par0[23] = 37.5; // recess erice2000
1225 par0[24] = -dz + zch52;
1227 par0[26] = par0[23];
1229 par0[27] = -dz + zch52;
1231 par0[29] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
1235 par0[32] = par0[29];
1237 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1238 dz = -(zvac12-zstart)/2. + (zch32-zstart) + dl;
1239 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1243 void AliSHILv0::Init()
1246 // Initialise the muon shield after it has been built
1252 printf("\n%s: ",ClassName());
1253 for(i=0;i<35;i++) printf("*");
1254 printf(" SHILv0_INIT ");
1255 for(i=0;i<35;i++) printf("*");
1256 printf("\n%s: ",ClassName());
1258 // Here the SHIL initialisation code (if any!)
1259 for(i=0;i<80;i++) printf("*");