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 1.8 2000/09/12 16:11:43 morsch
19 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
20 - Recesses for chambers added to outer Pb cone.
22 Revision 1.7 2000/06/15 09:40:31 morsch
23 Obsolete typedef keyword removed
25 Revision 1.6 2000/06/13 15:01:38 morsch
26 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
28 Revision 1.5 2000/06/12 19:40:00 morsch
29 New structure of beam pipe and heating jacket.
30 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
32 Revision 1.4 2000/04/03 08:13:40 fca
33 Introduce extra scope for non ANSI compliant C++ compilers
35 Revision 1.3 2000/01/17 10:29:30 morsch
36 Overlap between Shield and Absorber due to limited numerical precision removed
37 by displacing the Shield by epsilon = 0.01 cm.
39 Revision 1.2 2000/01/13 11:27:51 morsch
40 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
42 Revision 1.1 2000/01/12 15:44:03 morsch
43 Standard version of SHIL
47 ///////////////////////////////////////////////////////////////////////////////
49 // Muon Shield Class //
50 // This class contains a description of the muon shield //
54 <img src="picts/AliSHILClass.gif">
59 ///////////////////////////////////////////////////////////////////////////////
61 #include "AliSHILv0.h"
67 //_____________________________________________________________________________
68 AliSHILv0::AliSHILv0()
71 // Default constructor for muon shield
75 //_____________________________________________________________________________
76 AliSHILv0::AliSHILv0(const char *name, const char *title)
80 // Standard constructor for muon shield
85 // Pb cone not yet compatible with muon chamber inner radii
86 // Switched off by default
90 //_____________________________________________________________________________
91 void AliSHILv0::CreateGeometry()
94 // Build muon shield geometry
99 <img src="picts/AliSHILv0.gif">
104 <img src="picts/AliSHILv0Tree.gif">
108 Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[27], par3[27],
112 Int_t *idtmed = fIdtmed->GetArray()-1699;
114 #include "ABSOSHILConst.h"
115 #include "SHILConst.h"
117 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
118 kNiCuW=1720, kVacuum=1714, kAir=1714, kConcrete=1716,
119 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
121 // Material of the rear part of the shield
123 if (fPbCone) iHeavy=kPb;
129 Float_t dRear1=dRear;
131 Float_t zstart=zRear-dRear1;
137 Float_t dl=(zvac12-zstart)/2.;
142 par0[5] = zstart * TMath::Tan(accMin);
144 par0[6] = -dl+dRear1;
146 par0[8] = zRear * TMath::Tan(accMin);
148 par0[9] = -dl+dRear1;
152 par0[12] = -dz+zvac4;
156 par0[15] = -dz+zvac4;
160 par0[18] = -dz+zvac6;
164 par0[21] = -dz+zvac6;
166 par0[23] = zvac6 * TMath::Tan(accMin);
168 par0[24] = -dz+zConeE;
172 par0[27] = -dz+zvac10;
176 par0[30] = -dz+zvac10;
180 par0[33] = -dz+zvac11;
184 par0[36] = -dz+zvac11;
188 par0[39] = -dz+zvac12;
192 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 42);
194 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
200 // First section: bellows below and behind front absorber
206 dl=(zvac4-zstart)/2.;
209 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
210 par1[5] = zstart * TMath::Tan(accMin);
212 par1[6] = -dl+zvac1-zstart;
213 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
214 par1[8] = zvac1 * TMath::Tan(accMin);
216 par1[9] = par1[6]+dr11;
217 par1[10] = par1[7]+dr11;
218 par1[11] = (zvac1+dr11) * TMath::Tan(accMin);
220 par1[12] = -dl+dRear1;
222 par1[14] = zRear * TMath::Tan(accMin);
224 par1[15] = -dl+dRear1;
228 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
232 par1[21] = par1[18]+dr12;
233 par1[22] = par1[19]+dr12;
236 par1[24] = par1[21]+dF1;
240 par1[27] = par1[24]+dr12;
241 par1[28] = par1[25]-dr12;
244 par1[30] = par1[27]+dB1;
248 par1[33] = par1[30]+dr13;
249 par1[34] = par1[31]-dr13;
252 par1[36] = -dl+zvac4-zstart;
253 par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(thetaOpen2);
257 Float_t rBox=par1[31]-0.1;
259 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
260 { // Begin local scope for i
261 for (Int_t i=4; i<38; i+=3) par1[i] = 0;
262 } // End local scope for i
263 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], par1, 39);
264 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
266 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
271 tpar[0]=R11-dRSteel1;
274 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
276 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
278 // 1st section: vacuum system
286 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
291 tpar[2]=(lB1/2.-2.*eB1)/2.;
292 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
298 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
305 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
308 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
311 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
314 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
317 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
320 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
326 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
328 { // Begin local scope for i
329 for (Int_t i=0; i<10; i++) {
330 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
333 } // End local scope for i
334 dz=-dl+(zvac1-zstart)+dr11+tpar[2];
335 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
337 dz=dl-dr13-(zvac4-zvac3)-tpar[2];
338 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
346 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
351 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
352 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
357 gMC->Gsvolu("YF12", "TUBE", idtmed[kSteel+40], tpar, 3);
359 gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY");
361 gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY");
363 dz=-dl+(zvac2-zstart);
364 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
367 // pipe between flange and bellows
370 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
371 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
373 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
374 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
375 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
376 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
378 // pipe and heating jackets outside bellows
381 cpar0[0]=(zvac1-zstart)/2;
382 cpar0[1]=rVacu+(zstart-zOpen)*TMath::Tan(thetaOpen1)-0.05;
383 cpar0[2]=rAbs +(zstart-zOpen)*TMath::Tan(thetaOpen1);
384 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
385 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
386 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
391 cpar[1]=cpar0[1]+0.15;
392 cpar[2]=cpar0[1]+0.65;
393 cpar[3]=cpar0[3]+0.15;
394 cpar[4]=cpar0[3]+0.65;
395 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
396 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
399 cpar[1]=cpar0[1]+0.75;
400 cpar[2]=cpar0[1]+1.25;
401 cpar[3]=cpar0[3]+0.75;
402 cpar[4]=cpar0[3]+1.25;
403 gMC->Gsvolu("YP11", "CONE", idtmed[kVacuum+40], cpar, 5);
404 gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY");
407 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
412 cpar0[0]=(zvac4-zvac3)/2;
414 cpar0[2]=cpar0[1]+dVacuS;
416 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
417 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
418 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
419 Float_t r2V=cpar0[3];
423 cpar[1]=cpar0[1]+dTubeS;
424 cpar[2]=cpar0[1]+dTubeS+dInsuS;
425 cpar[3]=cpar0[3]+dTubeS;
426 cpar[4]=cpar0[3]+dTubeS+dInsuS;
427 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
428 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
432 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
433 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
434 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
435 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
436 gMC->Gsvolu("YP12", "CONE", idtmed[kAir], cpar, 5);
437 gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY");
440 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
443 // Between first and second bellow section
452 par2[4] = r2+(zvac4-zvac3) * TMath::Tan(thetaOpen2);
455 par2[6] = -dl+(zvac6-zvac4);
456 par2[7] = r2+(zvac6-zvac3) * TMath::Tan(thetaOpen2);
459 par2[9] = -dl+(zvac6-zvac4);
461 par2[11] = zvac6*TMath::Tan(accMin);
463 // Start of Pb section
464 par2[12] = -dl+(zPb-zvac4);
465 par2[13] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
466 par2[14] = zPb*TMath::Tan(accMin);
469 // end of cone following 2 deg line
470 par2[15] = -dl+(zConeE-zvac4);
471 par2[16] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
474 par2[18] = -dl+(zvac7-zvac4);
475 par2[19] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
479 gMC->Gsvolu("YGO2", "PCON", idtmed[kNiCuW+40], par2, 21);
481 // Lead cone option replacing Tungsten
487 Float_t dlPb=(zvac7-zPb)/2.;
491 parPb[5] = zPb*TMath::Tan(accMin);
493 parPb[6] = -dlPb+(zConeE-zPb);
494 parPb[7] = parPb[4]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
498 parPb[10] = parPb[7]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
501 Float_t rPbLast=parPb[10];
504 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
505 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
507 parPb[4] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
510 parPb[7] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
511 parPb[8] = parPb[5]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
513 parPb[10] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
514 parPb[11] = parPb[8]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
516 gMC->Gsvolu("YYO2", "PCON", idtmed[iHeavy+40], parPb, 12);
517 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
520 { // Begin local scope for i
521 for (Int_t i=4; i<23; i+=3) par2[i] = 0;
522 } // End local scope for i
524 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 24);
525 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
527 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
532 tpar[0]=R11-dRSteel1;
535 gMC->Gsvolu("YS21", "TUBE", idtmed[kSteel], tpar, 3);
537 gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY");
539 tpar[0]=R21-dRSteel2;
541 tpar[2]=(zvac6-zvac5)/2.;
542 gMC->Gsvolu("YS22", "TUBE", idtmed[kSteel], tpar, 3);
544 gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY");
548 cpar[1]=R21-dRSteel2;
549 cpar[2]=zvac6 * TMath::Tan(accMin);
551 cpar[4]=cpar[2]+4.*TMath::Tan(accMin);
553 gMC->Gsvolu("YS23", "CONE", idtmed[kSteel], cpar, 5);
555 gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY");
558 cpar[0]=(zPb-zvac6-4.)/2;
560 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
561 cpar[1]=cpar[2]-dRSteel2;
562 cpar[3]=cpar[4]-dRSteel2;
564 gMC->Gsvolu("YS24", "CONE", idtmed[kSteel], cpar, 5);
566 gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY");
569 cpar[0]=(zConeE-zPb)/2;
571 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
572 cpar[1]=cpar[2]-dRSteel2;
573 cpar[3]=cpar[4]-dRSteel2;
575 gMC->Gsvolu("YS25", "CONE", idtmed[kSteel], cpar, 5);
577 gMC->Gspos("YS25", 1, "YXO2", 0., 0., dz, 0, "ONLY");
582 tpar[2]=(zvac7-zConeE)/2.;
584 gMC->Gsvolu("YS26", "TUBE", idtmed[kSteel], tpar, 3);
586 gMC->Gspos("YS26", 1, "YXO2", 0., 0., dz, 0, "ONLY");
590 // 2nd section: vacuum system
592 cpar0[0]=(zvac7-zvac4)/2;
595 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
596 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
597 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
601 cpar[1]=cpar0[1]+dTubeS;
602 cpar[2]=cpar0[1]+dTubeS+dInsuS;
603 cpar[3]=cpar0[3]+dTubeS;
604 cpar[4]=cpar0[3]+dTubeS+dInsuS;
605 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
606 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
609 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
610 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
611 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
612 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
613 gMC->Gsvolu("YP21", "CONE", idtmed[kAir+40], cpar, 5);
614 gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY");
617 gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY");
621 // Third Section: Bellows and Flange
629 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
633 par3[7] = par3[4]+dr21;
636 par3[9] = par3[6]+dB2;
640 par3[12] = par3[9]+dr22;
641 par3[13] = par3[10]+dr22;
644 par3[15] = par3[12]+dF2;
648 par3[18] = par3[15]+dr22;
649 par3[19] = par3[16]-dr22;
652 par3[21] = par3[18]+dB2;
656 par3[24] = par3[21]+dr23;
657 par3[25] = par3[22]-dr23;
663 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
668 parPb[3] = parPb[1]+2.*dl*TMath::Tan(thetaOpenPb);
670 gMC->Gsvolu("YXO3", "CONE", idtmed[kPb], parPb, 5);
671 gMC->Gspos("YXO3", 1, "YGO3", 0., 0., 0., 0, "ONLY");
672 { // Begin local scope for i
673 for (Int_t i=4; i<26; i+=3) par3[i] = 0;
674 } // End local scope for i
675 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
676 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
683 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
684 gMC->Gspos("YS31", 1, "YXO3", 0., 0., 0., 0, "ONLY");
686 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
690 // 3rd section: vacuum system
698 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
703 tpar[2]=(lB2/2.-2.*eB2)/2.;
704 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
710 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
717 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
720 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
723 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
726 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
729 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
732 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
738 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
740 { // Begin local scope for i
741 for (Int_t i=0; i<7; i++) {
742 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
745 } // End local scope for i
747 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
750 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
758 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
763 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
764 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
769 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
771 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
773 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
776 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
780 // pipe between flange and bellows
783 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
784 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
785 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
786 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
787 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
788 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
791 // 4th section: rear shield and closing cone
796 dl=(zvac12-zvac9)/2.;
802 par4[6] = -dl+(zvac10-zvac9);
803 par4[7] = r3+(zvac10-zvac9) * TMath::Tan(thetaOpen3);
810 par4[12] = -dl+(zvac11-zvac9);
811 par4[13] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
818 par4[18] = -dl+(zvac12-zvac9);
822 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 21);
824 parPb[0] = (zvac10-zvac9)/2.;
827 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
829 gMC->Gsvolu("YXO4", "CONE", idtmed[kPb], parPb, 5);
830 gMC->Gspos("YXO4", 1, "YGO4", 0., 0., -dl+parPb[0], 0, "ONLY");
832 parPb[0] = (zvac12-zvac10)/2.;
835 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
837 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
838 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
839 { // Begin local scope for i
840 for (Int_t i=4; i<20; i+=3) par4[i] = 0;
841 } // End local scope for i
843 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 21);
844 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
849 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
852 // Closing concrete cone
854 cpar[0]=(zvac12-zvac11)/2.;
855 cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
856 cpar[2] = cpar[1]+0.001;
859 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
861 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
868 tpar[2]=(zvac10-zvac9)/2.;
869 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
871 gMC->Gspos("YS41", 1, "YXO4", 0., 0., 0., 0, "ONLY");
877 gMC->Gsvolu("YS42", "TUBE", idtmed[kSteel], tpar, 3);
879 gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY");
882 tpar[0]=R41-dRSteel2;
884 tpar[2]=(zvac11-zvac10)/2.;
885 gMC->Gsvolu("YS43", "TUBE", idtmed[kSteel], tpar, 3);
887 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
893 tpar[2]=(zvac11-zvac10)/2.;
894 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
896 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
900 tpar[2]=(zvac11-zvac10)/2.;
901 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
902 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
910 tpar[2]=(zvac12-zvac11)/2.;
911 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
913 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
918 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
919 dz=-(zvac12-zvac11)/2.+tpar[2];
920 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
927 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
931 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
932 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
937 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
942 // 4th section: vacuum system
944 // up to closing cone
945 cpar0[0]=(zvac11-zvac9)/2;
948 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
949 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
950 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
954 cpar[1]=cpar0[1]+dTubeS;
955 cpar[2]=cpar0[1]+dTubeS+dInsuS;
956 cpar[3]=cpar0[3]+dTubeS;
957 cpar[4]=cpar0[3]+dTubeS+dInsuS;
958 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
959 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
962 cpar[1]=cpar0[2]-dProtS-dFreeS;
963 cpar[2]=cpar0[2]-dProtS;
964 cpar[3]=cpar0[4]-dProtS-dFreeS;
965 cpar[4]=cpar0[4]-dProtS;
966 gMC->Gsvolu("YP31", "CONE", idtmed[kVacuum+40], cpar, 5);
967 gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY");
970 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
973 cpar0[0]=(zvac12-zvac11)/2;
974 cpar0[1]=r3-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
975 cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
978 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
982 cpar[1]=cpar0[1]+dTubeS;
983 cpar[2]=cpar0[1]+dTubeS+dInsuS;
984 cpar[3]=cpar0[3]+dTubeS;
985 cpar[4]=cpar0[3]+dTubeS+dInsuS;
986 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
987 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
990 cpar[1]=cpar0[2]-dProtS-dFreeS;
991 cpar[2]=cpar0[2]-dProtS;
992 cpar[3]=cpar0[4]-dProtS-dFreeS;
993 cpar[4]=cpar0[4]-dProtS;
994 gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
995 gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
998 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1001 // MUON trigger wall
1005 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1006 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1007 dz = (zFilterIn + zFilterOut) / 2.;
1009 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1010 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1011 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1013 // Shielding close to chamber
1015 cpar[0]=(zch1-dzch-1.-zRear)/2.;
1017 cpar[2]=zRear*TMath::Tan(accMin);
1019 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1020 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1022 gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1024 cpar[0]=(zvac4-(zch1+dzch+1.))/2.;
1026 cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(accMin);
1029 gMC->Gsvolu("YCS2", "CONE", idtmed[kNiCuW], cpar, 5);
1031 gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1035 cpar[2]=(zch1-dzch+1.)*TMath::Tan(accMin);
1037 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1038 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1040 gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1043 cpar[0]=(zch2-dzch-1.-zvac4)/2.;
1045 cpar[2]=zvac4*TMath::Tan(accMin);
1047 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1048 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1050 gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1053 cpar[0]=(zvac6-(zch2+dzch+1.))/2.;
1055 cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(accMin);
1057 cpar[4]=zvac6*TMath::Tan(accMin);
1058 gMC->Gsvolu("YCS5", "CONE", idtmed[kNiCuW], cpar, 5);
1060 gMC->Gspos("YCS5", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1064 cpar[2]=(zch2-dzch+1.)*TMath::Tan(accMin);
1066 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1067 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1069 gMC->Gspos("YCS6", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1083 par0[8] = 30.-(zConeE-zch31)*TMath::Tan(thetaOpenPbO);
1095 par0[17] = 30.-(zConeE-zch32)*TMath::Tan(thetaOpenPbO);
1100 par0[20] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO);
1104 par0[23] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO)-7.;
1108 par0[26] = 30.-(zConeE-zch41)*TMath::Tan(thetaOpenPbO)-7.;
1112 par0[29] = 30.-(zConeE-zch42)*TMath::Tan(thetaOpenPbO);
1117 par0[32] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO);
1121 par0[35] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO)-7.;
1125 par0[38] = 30.-(zConeE-zch51)*TMath::Tan(thetaOpenPbO)-7.;
1129 par0[41] = 30.-(zConeE-zch52)*TMath::Tan(thetaOpenPbO);
1131 par0[42] = zFilterIn;
1133 par0[44] = 30.-(zConeE-zFilterIn)*TMath::Tan(thetaOpenPbO);
1135 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 45);
1137 gMC->Gspos("YOPB", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1141 void AliSHILv0::Init()
1144 // Initialise the muon shield after it has been built
1149 for(i=0;i<35;i++) printf("*");
1150 printf(" SHILv0_INIT ");
1151 for(i=0;i<35;i++) printf("*");
1154 // Here the SHIL initialisation code (if any!)
1155 for(i=0;i<80;i++) printf("*");