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 1.17 2001/11/17 01:29:21 morsch
19 Obsolete and wrong volume YXO5 removed.
21 Revision 1.16 2001/11/16 08:57:42 morsch
24 Revision 1.15 2001/11/05 10:41:06 morsch
25 Avoid overlap of compensation magnet with HALL.
27 Revision 1.14 2001/10/26 08:36:19 morsch
30 Revision 1.13 2001/04/23 23:12:41 morsch
31 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
33 Revision 1.12 2001/03/16 16:26:05 morsch
34 Put vacuum in beam-pipe not air.
36 Revision 1.11 2000/10/27 15:21:24 morsch
37 Shield composition after muon project leader meeting: 24/10/2000
38 - 1 cm recess in steel for station 3
39 - no heavy shielding between chambers for stations 1 and 2
41 Revision 1.10 2000/10/02 21:28:15 fca
42 Removal of useless dependecies via forward declarations
44 Revision 1.9 2000/09/12 17:00:45 morsch
45 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
47 Revision 1.8 2000/09/12 16:11:43 morsch
48 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
49 - Recesses for chambers added to outer Pb cone.
51 Revision 1.7 2000/06/15 09:40:31 morsch
52 Obsolete typedef keyword removed
54 Revision 1.6 2000/06/13 15:01:38 morsch
55 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
57 Revision 1.5 2000/06/12 19:40:00 morsch
58 New structure of beam pipe and heating jacket.
59 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
61 Revision 1.4 2000/04/03 08:13:40 fca
62 Introduce extra scope for non ANSI compliant C++ compilers
64 Revision 1.3 2000/01/17 10:29:30 morsch
65 Overlap between Shield and Absorber due to limited numerical precision removed
66 by displacing the Shield by epsilon = 0.01 cm.
68 Revision 1.2 2000/01/13 11:27:51 morsch
69 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
71 Revision 1.1 2000/01/12 15:44:03 morsch
72 Standard version of SHIL
76 ///////////////////////////////////////////////////////////////////////////////
78 // Muon Shield Class //
79 // This class contains a description of the muon shield //
83 <img src="picts/AliSHILClass.gif">
88 ///////////////////////////////////////////////////////////////////////////////
90 #include "AliSHILv0.h"
97 //_____________________________________________________________________________
98 AliSHILv0::AliSHILv0()
101 // Default constructor for muon shield
105 //_____________________________________________________________________________
106 AliSHILv0::AliSHILv0(const char *name, const char *title)
107 : AliSHIL(name,title)
110 // Standard constructor for muon shield
115 // Pb cone not yet compatible with muon chamber inner radii
116 // Switched off by default
120 //_____________________________________________________________________________
121 void AliSHILv0::CreateGeometry()
124 // Build muon shield geometry
129 <img src="picts/AliSHILv0.gif">
134 <img src="picts/AliSHILv0Tree.gif">
138 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[27], par3[27],
142 Int_t *idtmed = fIdtmed->GetArray()-1699;
144 #include "ABSOSHILConst.h"
145 #include "SHILConst.h"
147 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
148 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
149 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
151 // Material of the rear part of the shield
153 if (fPbCone) iHeavy=kPb;
157 Float_t dRear1=dRear;
159 Float_t zstart=zRear-dRear1;
165 Float_t dl=(zvac12-zstart)/2.;
171 par0[5] = zstart * TMath::Tan(accMin);
175 par0[8] = zch11 * TMath::Tan(accMin);
181 par0[12] = -dz+zch12;
187 par0[17] = zch12 * TMath::Tan(accMin);
189 par0[18] = -dz+zch21;
191 par0[20] = zch21 * TMath::Tan(accMin);
193 par0[21] = -dz+zch21;
197 par0[24] = -dz+zch22;
201 par0[27] = -dz+zch22;
203 par0[29] = zch22 * TMath::Tan(accMin);
205 par0[30] = -dz+zvac6;
207 par0[32] = zvac6 * TMath::Tan(accMin);
209 par0[33] = -dz+zConeE;
213 par0[36] = -dz+zch31;
217 par0[39] = -dz+zch31;
221 par0[42] = -dz+zch32;
224 // start of 1.6 deg cone
225 par0[45] = -dz+zch32;
227 par0[47] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
229 par0[48] = -dz+zch41;
231 par0[50] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
233 par0[51] = -dz+zch41;
237 par0[54] = -dz+zch42;
241 par0[57] = -dz+zch42;
243 par0[59] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
247 par0[60] = -dz+zch51;
249 par0[62] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
251 par0[63] = -dz+zch51;
255 par0[66] = -dz+zch52;
259 par0[69] = -dz+zch52;
261 par0[71] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
265 par0[72] = -dz+zvac10;
267 par0[74] = 30.+(zvac10-zConeE)*TMath::Tan(thetaOpenPbO);
269 par0[75] = -dz+zvac10;
273 par0[78] = -dz+zvac11;
277 par0[81] = -dz+zvac11;
281 par0[84] = -dz+zvac12;
285 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
287 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
293 // First section: bellows below and behind front absorber
299 dl=(zvac4-zstart)/2.;
302 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
303 par1[5] = zstart * TMath::Tan(accMin);
305 par1[6] = -dl+zvac1-zstart;
306 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
307 par1[8] = zvac1 * TMath::Tan(accMin);
309 par1[9] = par1[6]+dr11/2.;
310 par1[10] = par1[7]+dr11;
311 par1[11] = (zvac1+dr11/2.) * TMath::Tan(accMin);
313 par1[12] = -dl+dRear1;
315 par1[14] = zRear * TMath::Tan(accMin);
317 par1[15] = -dl+dRear1;
321 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
325 par1[21] = par1[18]+dr12;
326 par1[22] = par1[19]+dr12;
329 par1[24] = par1[21]+dF1;
333 par1[27] = par1[24]+dr12;
334 par1[28] = par1[25]-dr12;
337 par1[30] = par1[27]+dB1;
341 par1[33] = par1[30]+dr13;
342 par1[34] = par1[31]-dr13;
345 par1[36] = -dl+zvac4-zstart;
349 Float_t r2 = par1[37];
350 Float_t rBox= par1[31]-0.1;
352 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
355 for (i=0; i<39; i++) pars1[i] = par1[i];
356 for (i=4; i<38; i+=3) pars1[i] = 0.;
358 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
359 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
361 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
366 tpar[0]=R11-dRSteel2;
368 tpar[2]=(zvac4-zvac3)/2.;
369 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
371 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
374 // 1st section: vacuum system
386 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
391 tpar[2]=(lB1/2.-2.*eB1)/2.;
392 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
398 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
405 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
408 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
411 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
414 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
417 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
420 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
426 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
427 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
429 Float_t bsize = tpar[2];
432 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
434 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
435 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
437 dz=-dl+(zvac1-zstart)+dr11/2.+bsize;
438 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
446 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
451 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
456 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
459 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
460 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
462 dz=-dl+(zvac1-zstart)+dr11/2.+2.*bsize+dF1/2.+3.;
463 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
466 // pipe between flange and bellows
472 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
476 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
477 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
480 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
482 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
485 // Pipe+Heating 1.5 mm
486 // Heating Jacket 5.0 mm
488 // ========================
490 // pipe and heating jackets outside bellows
493 cpar0[0]=(zvac1+dr11/2.-zstart)/2;
494 cpar0[1]=rVacu-0.05 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
495 cpar0[2]=rVacu+0.7 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
496 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
497 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
498 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
503 cpar[1]=cpar0[1]+0.15;
504 cpar[2]=cpar0[1]+0.65;
505 cpar[3]=cpar0[3]+0.15;
506 cpar[4]=cpar0[3]+0.65;
507 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
508 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
510 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
516 cpar0[0] = (zvac4-zvac3)/2;
518 cpar0[2] = cpar0[1]+dVacuS;
519 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
520 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
521 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
522 Float_t r2V=cpar0[3];
526 cpar[1] = cpar0[1]+dTubeS;
527 cpar[2] = cpar0[1]+dTubeS+dInsuS;
528 cpar[3] = cpar0[3]+dTubeS;
529 cpar[4] = cpar0[3]+dTubeS+dInsuS;
530 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
531 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
534 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
538 // Between first and second bellow section
554 par2[9] = -dl+(zvac6-zvac4);
555 par2[10] = r2+(zvac6-zvac4-10.) * TMath::Tan(thetaOpen2);
558 par2[12] = -dl+(zvac6-zvac4);
560 par2[14] = zvac6*TMath::Tan(accMin);
562 // Start of Pb section
563 par2[15] = -dl+(zPb-zvac4);
564 par2[16] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
565 par2[17] = zPb*TMath::Tan(accMin);
567 // end of cone following 2 deg line
568 par2[18] = -dl+(zConeE-zvac4);
569 par2[19] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
572 par2[21] = -dl+(zch31-zvac4);
573 par2[22] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
576 par2[24] = -dl+(zch31-zvac4);
577 par2[25] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
580 par2[27] = -dl+(zch32-zvac4);
581 par2[28] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
584 par2[30] = -dl+(zch32-zvac4);
585 par2[31] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
588 par2[33] = -dl+(zvac7-zvac4);
589 par2[34] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
592 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
601 Float_t dlPb=(zvac7-zPb)/2.;
604 parPb[4] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
605 parPb[5] = zPb*TMath::Tan(accMin)-dRSteel2;
607 parPb[6] = -dlPb+(zConeE-zPb);
608 parPb[7] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
612 parPb[10] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
615 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
616 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
625 Float_t dlW=(zPb-zvac4)/2.;
629 parW[5] = R21-dRSteel2;
631 parW[6] = -dlW+(zvac6-zvac4)+dRSteel2;
632 parW[7] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
633 parW[8] = R21-dRSteel2;
635 parW[9] = -dlW+(zvac6-zvac4)+dRSteel2;
636 parW[10] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
637 parW[11] = (zvac6+dRSteel2)*TMath::Tan(accMin)-dRSteel2;
640 parW[13] = r2+(zPb-zvac4) * TMath::Tan(thetaOpen2);
641 parW[14] = zPb*TMath::Tan(accMin)-dRSteel2;
643 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
644 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(zvac7-zPb)/2., 0, "ONLY");
646 for (i=4; i<35; i+=3) par2[i] = 0;
648 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
649 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
651 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
655 // 2nd section: vacuum system
657 cpar0[0]=(zvac7-zvac4)/2;
660 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
661 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
662 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
666 cpar[1]=cpar0[1]+dTubeS;
667 cpar[2]=cpar0[1]+dTubeS+dInsuS;
668 cpar[3]=cpar0[3]+dTubeS;
669 cpar[4]=cpar0[3]+dTubeS+dInsuS;
670 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
671 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
672 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
675 // Third Section: Bellows and Flange
683 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
687 par3[7] = par3[4]+dr21;
690 par3[9] = par3[6]+dB2;
694 par3[12] = par3[9]+dr22;
695 par3[13] = par3[10]+dr22;
698 par3[15] = par3[12]+dF2;
702 par3[18] = par3[15]+dr22;
703 par3[19] = par3[16]-dr22;
706 par3[21] = par3[18]+dB2;
710 par3[24] = par3[21]+dr23;
717 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
719 for (i=4; i<26; i+=3) par3[i] = 0;
721 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
722 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
729 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
730 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
732 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
736 // 3rd section: vacuum system
744 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
749 tpar[2]=(lB2/2.-2.*eB2)/2.;
750 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
756 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
763 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
766 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
769 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
772 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
775 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
778 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
784 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
787 for (i=0; i<7; i++) {
788 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
793 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
796 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
804 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
809 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
810 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
815 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
817 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
819 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
822 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
826 // pipe between flange and bellows
829 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
830 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
831 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
832 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
833 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
834 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
839 // 4th section: rear shield and closing cone
844 dl=(zvac12-zvac9)/2.;
854 par4[9] = -dl+(zvac10-zvac9);
855 par4[10] = r3+(zvac10-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
862 par4[15] = -dl+(zvac11-zvac9);
863 par4[16] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
870 par4[21] = -dl+(zvac12-zvac9);
871 par4[22] = rVacu+dVacuS;
874 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
876 // parPb[0] = (zvac12-zvac10)/2.;
877 // parPb[1] = parPb[3];
879 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
881 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
882 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
884 for (i=4; i<23; i+=3) par4[i] = 0;
886 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
887 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
892 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
895 // Closing concrete cone
897 cpar[0]=(zvac12-zvac11)/2.;
898 cpar[1] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
899 cpar[2] = cpar[1]+0.001;
900 cpar[3] = rVacu+dVacuS;
902 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
904 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
911 tpar[2]=(zvac10-zvac9)/2.;
912 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
914 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
917 tpar[0]=R41-dRSteel2;
919 tpar[2]=(zvac11-zvac10)/2.;
920 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
922 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
928 tpar[2]=(zvac11-zvac10)/2.;
929 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
931 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
935 tpar[2]=(zvac11-zvac10)/2.;
936 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
937 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
945 tpar[2]=(zvac12-zvac11)/2.;
946 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
948 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
953 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
954 dz=-(zvac12-zvac11)/2.+tpar[2];
955 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
962 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
966 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
967 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
971 if (gMC->VolId("HUP2")) {
972 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
975 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
980 // 4th section: vacuum system
982 // up to closing cone
984 Float_t r3V=r3-dr23+dVacuS-1.6;
986 cpar0[0]=(zvac11-zvac9)/2;
989 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
990 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
991 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
995 cpar[1]=cpar0[1]+dTubeS;
996 cpar[2]=cpar0[1]+dTubeS+dInsuS;
997 cpar[3]=cpar0[3]+dTubeS;
998 cpar[4]=cpar0[3]+dTubeS+dInsuS;
999 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
1000 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1002 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1005 cpar0[0]=(zvac12-zvac11)/2;
1006 cpar0[1]=r3V-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1007 cpar0[2]=r3V +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1009 cpar0[4]=rVacu+dTubeS+dInsuS+dProtS+dFreeS;
1010 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1014 cpar[1]=cpar0[1]+dTubeS;
1015 cpar[2]=cpar0[1]+dTubeS+dInsuS;
1016 cpar[3]=cpar0[3]+dTubeS;
1017 cpar[4]=cpar0[3]+dTubeS+dInsuS;
1018 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1019 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1022 // cpar[1]=cpar0[2]-dProtS-dFreeS;
1023 // cpar[2]=cpar0[2]-dProtS;
1024 // cpar[3]=cpar0[4]-dProtS-dFreeS;
1025 // cpar[4]=cpar0[4]-dProtS;
1026 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1027 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1030 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1033 // MUON trigger wall
1037 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1038 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1039 dz = (zFilterIn + zFilterOut) / 2.;
1041 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1042 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1043 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1045 // Shielding close to chamber
1048 cpar[0]=(zch11-zRear)/2.;
1050 cpar[2]=zRear*TMath::Tan(accMin);
1052 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1053 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1054 dz=-(zvac12-zstart)/2.+(zRear-zstart)+cpar[0];
1055 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1057 cpar[0]=(zvac4-zch12)/2.;
1059 cpar[2]=zch12*TMath::Tan(accMin);
1061 cpar[4]=(zch12+2.*cpar[0])*TMath::Tan(accMin);
1062 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1063 dz=-(zvac12-zstart)/2.+(zch12-zstart)+cpar[0];
1064 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1069 cpar[0]=(zch12-zch11)/2.;
1074 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1075 dz=-(zvac12-zstart)/2.+(zch11-zstart)+cpar[0];
1076 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1085 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1088 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1089 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1090 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1091 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1098 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1099 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1105 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1106 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1112 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1113 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1119 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1120 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1126 cpar[0]=(zch21-zvac4)/2.;
1128 cpar[2]=zvac4*TMath::Tan(accMin);
1130 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1131 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1132 dz=-(zvac12-zstart)/2.+(zvac4-zstart)+cpar[0];
1133 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1135 cpar[0]=(zvac6-zch22)/2.;
1137 cpar[2]=zch22*TMath::Tan(accMin);
1139 cpar[4]=(zch22+2.*cpar[0])*TMath::Tan(accMin);
1140 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1141 dz=-(zvac12-zstart)/2.+(zch22-zstart)+cpar[0];
1142 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1146 cpar[0]=(zch22-zch21)/2.;
1151 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1152 dz=-(zvac12-zstart)/2.+(zch21-zstart)+cpar[0];
1153 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1160 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1166 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1167 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1173 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1174 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1180 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1181 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1187 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1188 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1196 dl = (zvac10-zch32)/2.;
1205 par0[ 5] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
1208 par0[ 6] = -dz + zch41;
1210 par0[ 8] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
1212 par0[ 9] = -dz + zch41;
1216 par0[12] = -dz + zch42;
1218 par0[14] = par0[11];
1220 par0[15] = -dz + zch42;
1222 par0[17] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
1225 par0[18] = -dz + zch51;
1227 par0[20] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
1229 par0[21] = -dz + zch51;
1231 par0[23] = 37.5; // recess erice2000
1233 par0[24] = -dz + zch52;
1235 par0[26] = par0[23];
1237 par0[27] = -dz + zch52;
1239 par0[29] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
1243 par0[32] = par0[29];
1245 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1246 dz = -(zvac12-zstart)/2. + (zch32-zstart) + dl;
1247 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1251 void AliSHILv0::Init()
1254 // Initialise the muon shield after it has been built
1260 printf("\n%s: ",ClassName());
1261 for(i=0;i<35;i++) printf("*");
1262 printf(" SHILv0_INIT ");
1263 for(i=0;i<35;i++) printf("*");
1264 printf("\n%s: ",ClassName());
1266 // Here the SHIL initialisation code (if any!)
1267 for(i=0;i<80;i++) printf("*");