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 1.9 2000/09/12 17:00:45 morsch
19 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
21 Revision 1.8 2000/09/12 16:11:43 morsch
22 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
23 - Recesses for chambers added to outer Pb cone.
25 Revision 1.7 2000/06/15 09:40:31 morsch
26 Obsolete typedef keyword removed
28 Revision 1.6 2000/06/13 15:01:38 morsch
29 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
31 Revision 1.5 2000/06/12 19:40:00 morsch
32 New structure of beam pipe and heating jacket.
33 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
35 Revision 1.4 2000/04/03 08:13:40 fca
36 Introduce extra scope for non ANSI compliant C++ compilers
38 Revision 1.3 2000/01/17 10:29:30 morsch
39 Overlap between Shield and Absorber due to limited numerical precision removed
40 by displacing the Shield by epsilon = 0.01 cm.
42 Revision 1.2 2000/01/13 11:27:51 morsch
43 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
45 Revision 1.1 2000/01/12 15:44:03 morsch
46 Standard version of SHIL
50 ///////////////////////////////////////////////////////////////////////////////
52 // Muon Shield Class //
53 // This class contains a description of the muon shield //
57 <img src="picts/AliSHILClass.gif">
62 ///////////////////////////////////////////////////////////////////////////////
64 #include "AliSHILv0.h"
71 //_____________________________________________________________________________
72 AliSHILv0::AliSHILv0()
75 // Default constructor for muon shield
79 //_____________________________________________________________________________
80 AliSHILv0::AliSHILv0(const char *name, const char *title)
84 // Standard constructor for muon shield
89 // Pb cone not yet compatible with muon chamber inner radii
90 // Switched off by default
94 //_____________________________________________________________________________
95 void AliSHILv0::CreateGeometry()
98 // Build muon shield geometry
103 <img src="picts/AliSHILv0.gif">
108 <img src="picts/AliSHILv0Tree.gif">
112 Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[27], par3[27],
116 Int_t *idtmed = fIdtmed->GetArray()-1699;
118 #include "ABSOSHILConst.h"
119 #include "SHILConst.h"
121 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
122 kNiCuW=1720, kVacuum=1714, kAir=1714, kConcrete=1716,
123 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
125 // Material of the rear part of the shield
127 if (fPbCone) iHeavy=kPb;
133 Float_t dRear1=dRear;
135 Float_t zstart=zRear-dRear1;
141 Float_t dl=(zvac12-zstart)/2.;
146 par0[5] = zstart * TMath::Tan(accMin);
148 par0[6] = -dl+dRear1;
150 par0[8] = zRear * TMath::Tan(accMin);
152 par0[9] = -dl+dRear1;
156 par0[12] = -dz+zvac4;
160 par0[15] = -dz+zvac4;
164 par0[18] = -dz+zvac6;
168 par0[21] = -dz+zvac6;
170 par0[23] = zvac6 * TMath::Tan(accMin);
172 par0[24] = -dz+zConeE;
176 par0[27] = -dz+zvac10;
180 par0[30] = -dz+zvac10;
184 par0[33] = -dz+zvac11;
188 par0[36] = -dz+zvac11;
192 par0[39] = -dz+zvac12;
196 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 42);
198 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
204 // First section: bellows below and behind front absorber
210 dl=(zvac4-zstart)/2.;
213 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
214 par1[5] = zstart * TMath::Tan(accMin);
216 par1[6] = -dl+zvac1-zstart;
217 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
218 par1[8] = zvac1 * TMath::Tan(accMin);
220 par1[9] = par1[6]+dr11;
221 par1[10] = par1[7]+dr11;
222 par1[11] = (zvac1+dr11) * TMath::Tan(accMin);
224 par1[12] = -dl+dRear1;
226 par1[14] = zRear * TMath::Tan(accMin);
228 par1[15] = -dl+dRear1;
232 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
236 par1[21] = par1[18]+dr12;
237 par1[22] = par1[19]+dr12;
240 par1[24] = par1[21]+dF1;
244 par1[27] = par1[24]+dr12;
245 par1[28] = par1[25]-dr12;
248 par1[30] = par1[27]+dB1;
252 par1[33] = par1[30]+dr13;
253 par1[34] = par1[31]-dr13;
256 par1[36] = -dl+zvac4-zstart;
257 par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(thetaOpen2);
261 Float_t rBox=par1[31]-0.1;
263 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
264 { // Begin local scope for i
265 for (Int_t i=4; i<38; i+=3) par1[i] = 0;
266 } // End local scope for i
267 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], par1, 39);
268 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
270 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
275 tpar[0]=R11-dRSteel1;
278 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
280 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
282 // 1st section: vacuum system
290 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
295 tpar[2]=(lB1/2.-2.*eB1)/2.;
296 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
302 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
309 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
312 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
315 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
318 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
321 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
324 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
330 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
332 { // Begin local scope for i
333 for (Int_t i=0; i<10; i++) {
334 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
337 } // End local scope for i
338 dz=-dl+(zvac1-zstart)+dr11+tpar[2];
339 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
341 dz=dl-dr13-(zvac4-zvac3)-tpar[2];
342 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
350 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
355 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
356 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
361 gMC->Gsvolu("YF12", "TUBE", idtmed[kSteel+40], tpar, 3);
363 gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY");
365 gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY");
367 dz=-dl+(zvac2-zstart);
368 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
371 // pipe between flange and bellows
374 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
375 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
377 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
378 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
379 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
380 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
382 // pipe and heating jackets outside bellows
385 cpar0[0]=(zvac1-zstart)/2;
386 cpar0[1]=rVacu+(zstart-zOpen)*TMath::Tan(thetaOpen1)-0.05;
387 cpar0[2]=rAbs +(zstart-zOpen)*TMath::Tan(thetaOpen1);
388 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
389 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
390 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
395 cpar[1]=cpar0[1]+0.15;
396 cpar[2]=cpar0[1]+0.65;
397 cpar[3]=cpar0[3]+0.15;
398 cpar[4]=cpar0[3]+0.65;
399 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
400 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
403 cpar[1]=cpar0[1]+0.75;
404 cpar[2]=cpar0[1]+1.25;
405 cpar[3]=cpar0[3]+0.75;
406 cpar[4]=cpar0[3]+1.25;
407 gMC->Gsvolu("YP11", "CONE", idtmed[kVacuum+40], cpar, 5);
408 gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY");
411 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
416 cpar0[0]=(zvac4-zvac3)/2;
418 cpar0[2]=cpar0[1]+dVacuS;
420 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
421 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
422 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
423 Float_t r2V=cpar0[3];
427 cpar[1]=cpar0[1]+dTubeS;
428 cpar[2]=cpar0[1]+dTubeS+dInsuS;
429 cpar[3]=cpar0[3]+dTubeS;
430 cpar[4]=cpar0[3]+dTubeS+dInsuS;
431 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
432 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
436 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
437 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
438 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
439 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
440 gMC->Gsvolu("YP12", "CONE", idtmed[kAir], cpar, 5);
441 gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY");
444 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
447 // Between first and second bellow section
456 par2[4] = r2+(zvac4-zvac3) * TMath::Tan(thetaOpen2);
459 par2[6] = -dl+(zvac6-zvac4);
460 par2[7] = r2+(zvac6-zvac3) * TMath::Tan(thetaOpen2);
463 par2[9] = -dl+(zvac6-zvac4);
465 par2[11] = zvac6*TMath::Tan(accMin);
467 // Start of Pb section
468 par2[12] = -dl+(zPb-zvac4);
469 par2[13] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
470 par2[14] = zPb*TMath::Tan(accMin);
473 // end of cone following 2 deg line
474 par2[15] = -dl+(zConeE-zvac4);
475 par2[16] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
478 par2[18] = -dl+(zvac7-zvac4);
479 par2[19] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
483 gMC->Gsvolu("YGO2", "PCON", idtmed[kNiCuW+40], par2, 21);
485 // Lead cone option replacing Tungsten
491 Float_t dlPb=(zvac7-zPb)/2.;
495 parPb[5] = zPb*TMath::Tan(accMin);
497 parPb[6] = -dlPb+(zConeE-zPb);
498 parPb[7] = parPb[4]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
502 parPb[10] = parPb[7]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
505 Float_t rPbLast=parPb[10];
508 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
509 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
511 parPb[4] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
514 parPb[7] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
515 parPb[8] = parPb[5]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
517 parPb[10] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
518 parPb[11] = parPb[8]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
520 gMC->Gsvolu("YYO2", "PCON", idtmed[iHeavy+40], parPb, 12);
521 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
524 { // Begin local scope for i
525 for (Int_t i=4; i<23; i+=3) par2[i] = 0;
526 } // End local scope for i
528 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 24);
529 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
531 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
536 tpar[0]=R11-dRSteel1;
539 gMC->Gsvolu("YS21", "TUBE", idtmed[kSteel], tpar, 3);
541 gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY");
543 tpar[0]=R21-dRSteel2;
545 tpar[2]=(zvac6-zvac5)/2.;
546 gMC->Gsvolu("YS22", "TUBE", idtmed[kSteel], tpar, 3);
548 gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY");
552 cpar[1]=R21-dRSteel2;
553 cpar[2]=zvac6 * TMath::Tan(accMin);
555 cpar[4]=cpar[2]+4.*TMath::Tan(accMin);
557 gMC->Gsvolu("YS23", "CONE", idtmed[kSteel], cpar, 5);
559 gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY");
562 cpar[0]=(zPb-zvac6-4.)/2;
564 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
565 cpar[1]=cpar[2]-dRSteel2;
566 cpar[3]=cpar[4]-dRSteel2;
568 gMC->Gsvolu("YS24", "CONE", idtmed[kSteel], cpar, 5);
570 gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY");
573 cpar[0]=(zConeE-zPb)/2;
575 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
576 cpar[1]=cpar[2]-dRSteel2;
577 cpar[3]=cpar[4]-dRSteel2;
579 gMC->Gsvolu("YS25", "CONE", idtmed[kSteel], cpar, 5);
581 gMC->Gspos("YS25", 1, "YXO2", 0., 0., dz, 0, "ONLY");
586 tpar[2]=(zvac7-zConeE)/2.;
588 gMC->Gsvolu("YS26", "TUBE", idtmed[kSteel], tpar, 3);
590 gMC->Gspos("YS26", 1, "YXO2", 0., 0., dz, 0, "ONLY");
594 // 2nd section: vacuum system
596 cpar0[0]=(zvac7-zvac4)/2;
599 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
600 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
601 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
605 cpar[1]=cpar0[1]+dTubeS;
606 cpar[2]=cpar0[1]+dTubeS+dInsuS;
607 cpar[3]=cpar0[3]+dTubeS;
608 cpar[4]=cpar0[3]+dTubeS+dInsuS;
609 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
610 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
613 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
614 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
615 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
616 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
617 gMC->Gsvolu("YP21", "CONE", idtmed[kAir+40], cpar, 5);
618 gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY");
621 gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY");
625 // Third Section: Bellows and Flange
633 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
637 par3[7] = par3[4]+dr21;
640 par3[9] = par3[6]+dB2;
644 par3[12] = par3[9]+dr22;
645 par3[13] = par3[10]+dr22;
648 par3[15] = par3[12]+dF2;
652 par3[18] = par3[15]+dr22;
653 par3[19] = par3[16]-dr22;
656 par3[21] = par3[18]+dB2;
660 par3[24] = par3[21]+dr23;
661 par3[25] = par3[22]-dr23;
667 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
672 parPb[3] = parPb[1]+2.*dl*TMath::Tan(thetaOpenPb);
674 gMC->Gsvolu("YXO3", "CONE", idtmed[kPb], parPb, 5);
675 gMC->Gspos("YXO3", 1, "YGO3", 0., 0., 0., 0, "ONLY");
676 { // Begin local scope for i
677 for (Int_t i=4; i<26; i+=3) par3[i] = 0;
678 } // End local scope for i
679 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
680 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
687 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
688 gMC->Gspos("YS31", 1, "YXO3", 0., 0., 0., 0, "ONLY");
690 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
694 // 3rd section: vacuum system
702 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
707 tpar[2]=(lB2/2.-2.*eB2)/2.;
708 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
714 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
721 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
724 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
727 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
730 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
733 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
736 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
742 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
744 { // Begin local scope for i
745 for (Int_t i=0; i<7; i++) {
746 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
749 } // End local scope for i
751 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
754 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
762 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
767 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
768 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
773 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
775 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
777 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
780 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
784 // pipe between flange and bellows
787 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
788 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
789 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
790 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
791 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
792 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
795 // 4th section: rear shield and closing cone
800 dl=(zvac12-zvac9)/2.;
806 par4[6] = -dl+(zvac10-zvac9);
807 par4[7] = r3+(zvac10-zvac9) * TMath::Tan(thetaOpen3);
814 par4[12] = -dl+(zvac11-zvac9);
815 par4[13] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
822 par4[18] = -dl+(zvac12-zvac9);
826 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 21);
828 parPb[0] = (zvac10-zvac9)/2.;
831 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
833 gMC->Gsvolu("YXO4", "CONE", idtmed[kPb], parPb, 5);
834 gMC->Gspos("YXO4", 1, "YGO4", 0., 0., -dl+parPb[0], 0, "ONLY");
836 parPb[0] = (zvac12-zvac10)/2.;
839 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
841 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
842 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
843 { // Begin local scope for i
844 for (Int_t i=4; i<20; i+=3) par4[i] = 0;
845 } // End local scope for i
847 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 21);
848 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
853 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
856 // Closing concrete cone
858 cpar[0]=(zvac12-zvac11)/2.;
859 cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
860 cpar[2] = cpar[1]+0.001;
863 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
865 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
872 tpar[2]=(zvac10-zvac9)/2.;
873 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
875 gMC->Gspos("YS41", 1, "YXO4", 0., 0., 0., 0, "ONLY");
881 gMC->Gsvolu("YS42", "TUBE", idtmed[kSteel], tpar, 3);
883 gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY");
886 tpar[0]=R41-dRSteel2;
888 tpar[2]=(zvac11-zvac10)/2.;
889 gMC->Gsvolu("YS43", "TUBE", idtmed[kSteel], tpar, 3);
891 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
897 tpar[2]=(zvac11-zvac10)/2.;
898 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
900 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
904 tpar[2]=(zvac11-zvac10)/2.;
905 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
906 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
914 tpar[2]=(zvac12-zvac11)/2.;
915 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
917 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
922 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
923 dz=-(zvac12-zvac11)/2.+tpar[2];
924 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
931 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
935 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
936 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
941 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
946 // 4th section: vacuum system
948 // up to closing cone
949 cpar0[0]=(zvac11-zvac9)/2;
952 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
953 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
954 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
958 cpar[1]=cpar0[1]+dTubeS;
959 cpar[2]=cpar0[1]+dTubeS+dInsuS;
960 cpar[3]=cpar0[3]+dTubeS;
961 cpar[4]=cpar0[3]+dTubeS+dInsuS;
962 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
963 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
966 cpar[1]=cpar0[2]-dProtS-dFreeS;
967 cpar[2]=cpar0[2]-dProtS;
968 cpar[3]=cpar0[4]-dProtS-dFreeS;
969 cpar[4]=cpar0[4]-dProtS;
970 gMC->Gsvolu("YP31", "CONE", idtmed[kVacuum+40], cpar, 5);
971 gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY");
974 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
977 cpar0[0]=(zvac12-zvac11)/2;
978 cpar0[1]=r3-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
979 cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
982 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
986 cpar[1]=cpar0[1]+dTubeS;
987 cpar[2]=cpar0[1]+dTubeS+dInsuS;
988 cpar[3]=cpar0[3]+dTubeS;
989 cpar[4]=cpar0[3]+dTubeS+dInsuS;
990 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
991 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
994 cpar[1]=cpar0[2]-dProtS-dFreeS;
995 cpar[2]=cpar0[2]-dProtS;
996 cpar[3]=cpar0[4]-dProtS-dFreeS;
997 cpar[4]=cpar0[4]-dProtS;
998 gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
999 gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1002 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1005 // MUON trigger wall
1009 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1010 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1011 dz = (zFilterIn + zFilterOut) / 2.;
1013 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1014 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1015 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1017 // Shielding close to chamber
1019 cpar[0]=(zch1-dzch-1.-zRear)/2.;
1021 cpar[2]=zRear*TMath::Tan(accMin);
1023 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1024 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1026 gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1028 cpar[0]=(zvac4-(zch1+dzch+1.))/2.;
1030 cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(accMin);
1033 gMC->Gsvolu("YCS2", "CONE", idtmed[kNiCuW], cpar, 5);
1035 gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1039 cpar[2]=(zch1-dzch+1.)*TMath::Tan(accMin);
1041 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1042 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1044 gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1047 cpar[0]=(zch2-dzch-1.-zvac4)/2.;
1049 cpar[2]=zvac4*TMath::Tan(accMin);
1051 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1052 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1054 gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1057 cpar[0]=(zvac6-(zch2+dzch+1.))/2.;
1059 cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(accMin);
1061 cpar[4]=zvac6*TMath::Tan(accMin);
1062 gMC->Gsvolu("YCS5", "CONE", idtmed[kNiCuW], cpar, 5);
1064 gMC->Gspos("YCS5", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1068 cpar[2]=(zch2-dzch+1.)*TMath::Tan(accMin);
1070 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1071 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1073 gMC->Gspos("YCS6", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1087 par0[8] = 30.-(zConeE-zch31)*TMath::Tan(thetaOpenPbO);
1099 par0[17] = 30.-(zConeE-zch32)*TMath::Tan(thetaOpenPbO);
1104 par0[20] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO);
1108 par0[23] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO)-7.;
1112 par0[26] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO)-7.;
1116 par0[29] = 30.-(zConeE-zch42)*TMath::Tan(thetaOpenPbO);
1121 par0[32] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO);
1125 par0[35] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO)-7.;
1129 par0[38] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO)-7.;
1133 par0[41] = 30.-(zConeE-zch52)*TMath::Tan(thetaOpenPbO);
1135 par0[42] = zFilterIn;
1137 par0[44] = 30.-(zConeE-zFilterIn)*TMath::Tan(thetaOpenPbO);
1139 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 45);
1141 gMC->Gspos("YOPB", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1145 void AliSHILv0::Init()
1148 // Initialise the muon shield after it has been built
1153 for(i=0;i<35;i++) printf("*");
1154 printf(" SHILv0_INIT ");
1155 for(i=0;i<35;i++) printf("*");
1158 // Here the SHIL initialisation code (if any!)
1159 for(i=0;i<80;i++) printf("*");