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 1.12 2001/03/16 16:26:05 morsch
19 Put vacuum in beam-pipe not air.
21 Revision 1.11 2000/10/27 15:21:24 morsch
22 Shield composition after muon project leader meeting: 24/10/2000
23 - 1 cm recess in steel for station 3
24 - no heavy shielding between chambers for stations 1 and 2
26 Revision 1.10 2000/10/02 21:28:15 fca
27 Removal of useless dependecies via forward declarations
29 Revision 1.9 2000/09/12 17:00:45 morsch
30 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
32 Revision 1.8 2000/09/12 16:11:43 morsch
33 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
34 - Recesses for chambers added to outer Pb cone.
36 Revision 1.7 2000/06/15 09:40:31 morsch
37 Obsolete typedef keyword removed
39 Revision 1.6 2000/06/13 15:01:38 morsch
40 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
42 Revision 1.5 2000/06/12 19:40:00 morsch
43 New structure of beam pipe and heating jacket.
44 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
46 Revision 1.4 2000/04/03 08:13:40 fca
47 Introduce extra scope for non ANSI compliant C++ compilers
49 Revision 1.3 2000/01/17 10:29:30 morsch
50 Overlap between Shield and Absorber due to limited numerical precision removed
51 by displacing the Shield by epsilon = 0.01 cm.
53 Revision 1.2 2000/01/13 11:27:51 morsch
54 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
56 Revision 1.1 2000/01/12 15:44:03 morsch
57 Standard version of SHIL
61 ///////////////////////////////////////////////////////////////////////////////
63 // Muon Shield Class //
64 // This class contains a description of the muon shield //
68 <img src="picts/AliSHILClass.gif">
73 ///////////////////////////////////////////////////////////////////////////////
75 #include "AliSHILv0.h"
82 //_____________________________________________________________________________
83 AliSHILv0::AliSHILv0()
86 // Default constructor for muon shield
90 //_____________________________________________________________________________
91 AliSHILv0::AliSHILv0(const char *name, const char *title)
95 // Standard constructor for muon shield
100 // Pb cone not yet compatible with muon chamber inner radii
101 // Switched off by default
105 //_____________________________________________________________________________
106 void AliSHILv0::CreateGeometry()
109 // Build muon shield geometry
114 <img src="picts/AliSHILv0.gif">
119 <img src="picts/AliSHILv0Tree.gif">
123 Float_t cpar[5], cpar0[5], tpar[3], par1[39], par2[27], par3[27],
127 Int_t *idtmed = fIdtmed->GetArray()-1699;
129 #include "ABSOSHILConst.h"
130 #include "SHILConst.h"
132 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
133 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
134 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
136 // Material of the rear part of the shield
138 if (fPbCone) iHeavy=kPb;
144 Float_t dRear1=dRear;
146 Float_t zstart=zRear-dRear1;
152 Float_t dl=(zvac12-zstart)/2.;
157 par0[5] = zstart * TMath::Tan(accMin);
159 par0[6] = -dl+dRear1;
161 par0[8] = zRear * TMath::Tan(accMin);
163 par0[9] = -dl+dRear1;
167 par0[12] = -dz+zvac4;
171 par0[15] = -dz+zvac4;
175 par0[18] = -dz+zvac6;
179 par0[21] = -dz+zvac6;
181 par0[23] = zvac6 * TMath::Tan(accMin);
183 par0[24] = -dz+zConeE;
187 par0[27] = -dz+zvac10;
191 par0[30] = -dz+zvac10;
195 par0[33] = -dz+zvac11;
199 par0[36] = -dz+zvac11;
203 par0[39] = -dz+zvac12;
207 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 42);
209 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
215 // First section: bellows below and behind front absorber
221 dl=(zvac4-zstart)/2.;
224 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
225 par1[5] = zstart * TMath::Tan(accMin);
227 par1[6] = -dl+zvac1-zstart;
228 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
229 par1[8] = zvac1 * TMath::Tan(accMin);
231 par1[9] = par1[6]+dr11;
232 par1[10] = par1[7]+dr11;
233 par1[11] = (zvac1+dr11) * TMath::Tan(accMin);
235 par1[12] = -dl+dRear1;
237 par1[14] = zRear * TMath::Tan(accMin);
239 par1[15] = -dl+dRear1;
243 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
247 par1[21] = par1[18]+dr12;
248 par1[22] = par1[19]+dr12;
251 par1[24] = par1[21]+dF1;
255 par1[27] = par1[24]+dr12;
256 par1[28] = par1[25]-dr12;
259 par1[30] = par1[27]+dB1;
263 par1[33] = par1[30]+dr13;
264 par1[34] = par1[31]-dr13;
267 par1[36] = -dl+zvac4-zstart;
268 par1[37] = par1[34]+(zvac4-zvac3)*TMath::Tan(thetaOpen2);
272 Float_t rBox=par1[31]-0.1;
274 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
275 { // Begin local scope for i
276 for (Int_t i=4; i<38; i+=3) par1[i] = 0;
277 } // End local scope for i
278 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], par1, 39);
279 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
281 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
286 tpar[0]=R11-dRSteel1;
289 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
291 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
293 // 1st section: vacuum system
301 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
306 tpar[2]=(lB1/2.-2.*eB1)/2.;
307 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
313 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
320 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
323 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
326 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
329 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
332 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
335 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
341 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
343 { // Begin local scope for i
344 for (Int_t i=0; i<10; i++) {
345 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
348 } // End local scope for i
349 dz=-dl+(zvac1-zstart)+dr11+tpar[2];
350 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
352 dz=dl-dr13-(zvac4-zvac3)-tpar[2];
353 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
361 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
366 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
367 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
372 gMC->Gsvolu("YF12", "TUBE", idtmed[kSteel+40], tpar, 3);
374 gMC->Gspos("YF12", 1, "YFM1", 0., 0., dz, 0, "ONLY");
376 gMC->Gspos("YF12", 2, "YFM1", 0., 0., dz, 0, "ONLY");
378 dz=-dl+(zvac2-zstart);
379 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
382 // pipe between flange and bellows
385 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
386 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
388 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
389 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
390 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
391 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
393 // pipe and heating jackets outside bellows
396 cpar0[0]=(zvac1-zstart)/2;
397 cpar0[1]=rVacu+(zstart-zOpen)*TMath::Tan(thetaOpen1)-0.05;
398 cpar0[2]=rAbs +(zstart-zOpen)*TMath::Tan(thetaOpen1);
399 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
400 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
401 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
406 cpar[1]=cpar0[1]+0.15;
407 cpar[2]=cpar0[1]+0.65;
408 cpar[3]=cpar0[3]+0.15;
409 cpar[4]=cpar0[3]+0.65;
410 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
411 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
414 cpar[1]=cpar0[1]+0.75;
415 cpar[2]=cpar0[1]+1.25;
416 cpar[3]=cpar0[3]+0.75;
417 cpar[4]=cpar0[3]+1.25;
418 gMC->Gsvolu("YP11", "CONE", idtmed[kVacuum+40], cpar, 5);
419 gMC->Gspos("YP11", 1, "YV11", 0., 0., 0., 0, "ONLY");
422 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
427 cpar0[0]=(zvac4-zvac3)/2;
429 cpar0[2]=cpar0[1]+dVacuS;
431 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
432 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
433 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
434 Float_t r2V=cpar0[3];
438 cpar[1]=cpar0[1]+dTubeS;
439 cpar[2]=cpar0[1]+dTubeS+dInsuS;
440 cpar[3]=cpar0[3]+dTubeS;
441 cpar[4]=cpar0[3]+dTubeS+dInsuS;
442 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
443 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
447 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
448 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
449 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
450 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
451 gMC->Gsvolu("YP12", "CONE", idtmed[kAir], cpar, 5);
452 gMC->Gspos("YP12", 1, "YV12", 0., 0., 0., 0, "ONLY");
455 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
458 // Between first and second bellow section
467 par2[4] = r2+(zvac4-zvac3) * TMath::Tan(thetaOpen2);
470 par2[6] = -dl+(zvac6-zvac4);
471 par2[7] = r2+(zvac6-zvac3) * TMath::Tan(thetaOpen2);
474 par2[9] = -dl+(zvac6-zvac4);
476 par2[11] = zvac6*TMath::Tan(accMin);
478 // Start of Pb section
479 par2[12] = -dl+(zPb-zvac4);
480 par2[13] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
481 par2[14] = zPb*TMath::Tan(accMin);
484 // end of cone following 2 deg line
485 par2[15] = -dl+(zConeE-zvac4);
486 par2[16] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
489 par2[18] = -dl+(zvac7-zvac4);
490 par2[19] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
494 gMC->Gsvolu("YGO2", "PCON", idtmed[kNiCuW+40], par2, 21);
496 // Lead cone option replacing Tungsten
502 Float_t dlPb=(zvac7-zPb)/2.;
506 parPb[5] = zPb*TMath::Tan(accMin);
508 parPb[6] = -dlPb+(zConeE-zPb);
509 parPb[7] = parPb[4]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
513 parPb[10] = parPb[7]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
516 Float_t rPbLast=parPb[10];
519 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
520 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
522 parPb[4] = r2+(zPb-zvac3) * TMath::Tan(thetaOpen2);
525 parPb[7] = r2+(zConeE-zvac3) * TMath::Tan(thetaOpen2);
526 parPb[8] = parPb[5]+(zConeE-zPb)*TMath::Tan(thetaOpenPb);
528 parPb[10] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
529 parPb[11] = parPb[8]+(zvac7-zConeE)*TMath::Tan(thetaOpenPb);
531 gMC->Gsvolu("YYO2", "PCON", idtmed[iHeavy+40], parPb, 12);
532 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
535 { // Begin local scope for i
536 for (Int_t i=4; i<23; i+=3) par2[i] = 0;
537 } // End local scope for i
539 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 24);
540 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
542 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
548 tpar[0]=R11-dRSteel1;
551 gMC->Gsvolu("YS21", "TUBE", idtmed[kSteel], tpar, 3);
553 gMC->Gspos("YS21", 1, "YGO2", 0., 0., dz, 0, "ONLY");
556 tpar[0]=R21-dRSteel2;
558 tpar[2]=(zvac6-zvac5)/2.;
559 gMC->Gsvolu("YS22", "TUBE", idtmed[kSteel], tpar, 3);
561 gMC->Gspos("YS22", 1, "YGO2", 0., 0., dz, 0, "ONLY");
565 cpar[1]=R21-dRSteel2;
566 cpar[2]=zvac6 * TMath::Tan(accMin);
568 cpar[4]=cpar[2]+4.*TMath::Tan(accMin);
569 gMC->Gsvolu("YS23", "CONE", idtmed[kSteel], cpar, 5);
571 gMC->Gspos("YS23", 1, "YGO2", 0., 0., dz, 0, "ONLY");
574 cpar[0]=(zPb-zvac6-4.)/2;
576 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
577 cpar[1]=cpar[2]-dRSteel2;
578 cpar[3]=cpar[4]-dRSteel2;
580 gMC->Gsvolu("YS24", "CONE", idtmed[kSteel], cpar, 5);
582 gMC->Gspos("YS24", 1, "YGO2", 0., 0., dz, 0, "ONLY");
586 cpar[0]=(zConeE-zPb)/2;
588 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
589 cpar[1]=cpar[2]-dRSteel2;
590 cpar[3]=cpar[4]-dRSteel2;
592 gMC->Gsvolu("YS25", "CONE", idtmed[kSteel], cpar, 5);
594 gMC->Gspos("YS25", 1, "YXO2", 0., 0., dz, 0, "ONLY");
599 tpar[2]=(zvac7-zConeE)/2.;
601 gMC->Gsvolu("YS26", "TUBE", idtmed[kSteel], tpar, 3);
603 gMC->Gspos("YS26", 1, "YXO2", 0., 0., dz, 0, "ONLY");
606 // Recess in steel for station 3
610 tpar[2]=(zch32-zch31)/2.;
611 gMC->Gsvolu("YS27", "TUBE", idtmed[kAir], tpar, 3);
612 dz+=(tpar[2]+zch31-zConeE);
614 gMC->Gspos("YS27", 1, "YS26", 0., 0., dz, 0, "ONLY");
618 // 2nd section: vacuum system
620 cpar0[0]=(zvac7-zvac4)/2;
623 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
624 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
625 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
629 cpar[1]=cpar0[1]+dTubeS;
630 cpar[2]=cpar0[1]+dTubeS+dInsuS;
631 cpar[3]=cpar0[3]+dTubeS;
632 cpar[4]=cpar0[3]+dTubeS+dInsuS;
633 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
634 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
637 cpar[1]=cpar0[1]+dTubeS+dInsuS+dEnveS;
638 cpar[2]=cpar0[1]+dTubeS+dInsuS+dEnveS+dFreeS;
639 cpar[3]=cpar0[3]+dTubeS+dInsuS+dEnveS;
640 cpar[4]=cpar0[3]+dTubeS+dInsuS+dEnveS+dFreeS;
641 gMC->Gsvolu("YP21", "CONE", idtmed[kAir+40], cpar, 5);
642 gMC->Gspos("YP21", 1, "YV21", 0., 0., 0., 0, "ONLY");
645 gMC->Gspos("YV21", 1, "YMO2", 0., 0., dz, 0, "ONLY");
649 // Third Section: Bellows and Flange
657 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
661 par3[7] = par3[4]+dr21;
664 par3[9] = par3[6]+dB2;
668 par3[12] = par3[9]+dr22;
669 par3[13] = par3[10]+dr22;
672 par3[15] = par3[12]+dF2;
676 par3[18] = par3[15]+dr22;
677 par3[19] = par3[16]-dr22;
680 par3[21] = par3[18]+dB2;
684 par3[24] = par3[21]+dr23;
685 par3[25] = par3[22]-dr23;
691 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
696 parPb[3] = parPb[1]+2.*dl*TMath::Tan(thetaOpenPb);
698 gMC->Gsvolu("YXO3", "CONE", idtmed[kPb], parPb, 5);
699 gMC->Gspos("YXO3", 1, "YGO3", 0., 0., 0., 0, "ONLY");
700 { // Begin local scope for i
701 for (Int_t i=4; i<26; i+=3) par3[i] = 0;
702 } // End local scope for i
703 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
704 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
711 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
712 gMC->Gspos("YS31", 1, "YXO3", 0., 0., 0., 0, "ONLY");
714 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
718 // 3rd section: vacuum system
726 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
731 tpar[2]=(lB2/2.-2.*eB2)/2.;
732 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
738 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
745 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
748 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
751 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
754 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
757 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
760 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
766 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
768 { // Begin local scope for i
769 for (Int_t i=0; i<7; i++) {
770 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
773 } // End local scope for i
775 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
778 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
786 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
791 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
792 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
797 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
799 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
801 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
804 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
808 // pipe between flange and bellows
811 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
812 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
813 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
814 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
815 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
816 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
819 // 4th section: rear shield and closing cone
824 dl=(zvac12-zvac9)/2.;
830 par4[6] = -dl+(zvac10-zvac9);
831 par4[7] = r3+(zvac10-zvac9) * TMath::Tan(thetaOpen3);
838 par4[12] = -dl+(zvac11-zvac9);
839 par4[13] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
846 par4[18] = -dl+(zvac12-zvac9);
850 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 21);
852 parPb[0] = (zvac10-zvac9)/2.;
855 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
857 gMC->Gsvolu("YXO4", "CONE", idtmed[kPb], parPb, 5);
858 gMC->Gspos("YXO4", 1, "YGO4", 0., 0., -dl+parPb[0], 0, "ONLY");
860 parPb[0] = (zvac12-zvac10)/2.;
863 parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
865 gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
866 gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
867 { // Begin local scope for i
868 for (Int_t i=4; i<20; i+=3) par4[i] = 0;
869 } // End local scope for i
871 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 21);
872 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
877 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
880 // Closing concrete cone
882 cpar[0]=(zvac12-zvac11)/2.;
883 cpar[1] = r3+(zvac11-zvac9) * TMath::Tan(thetaOpen3);
884 cpar[2] = cpar[1]+0.001;
887 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
889 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
896 tpar[2]=(zvac10-zvac9)/2.;
897 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
899 gMC->Gspos("YS41", 1, "YXO4", 0., 0., 0., 0, "ONLY");
905 gMC->Gsvolu("YS42", "TUBE", idtmed[kSteel], tpar, 3);
907 gMC->Gspos("YS42", 1, "YGO4", 0., 0., dz, 0, "ONLY");
910 tpar[0]=R41-dRSteel2;
912 tpar[2]=(zvac11-zvac10)/2.;
913 gMC->Gsvolu("YS43", "TUBE", idtmed[kSteel], tpar, 3);
915 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
921 tpar[2]=(zvac11-zvac10)/2.;
922 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
924 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
928 tpar[2]=(zvac11-zvac10)/2.;
929 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
930 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
938 tpar[2]=(zvac12-zvac11)/2.;
939 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
941 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
946 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
947 dz=-(zvac12-zvac11)/2.+tpar[2];
948 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
955 gMC->Gsvolu("YAEM", "TUBE", idtmed[kVacuum], tpar, 3);
959 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
960 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
965 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
970 // 4th section: vacuum system
972 // up to closing cone
973 cpar0[0]=(zvac11-zvac9)/2;
976 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
977 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
978 gMC->Gsvolu("YV31", "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("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
987 gMC->Gspos("YI31", 1, "YV31", 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("YP31", "CONE", idtmed[kVacuum+40], cpar, 5);
995 gMC->Gspos("YP31", 1, "YV31", 0., 0., 0., 0, "ONLY");
998 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1001 cpar0[0]=(zvac12-zvac11)/2;
1002 cpar0[1]=r3-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1003 cpar0[2]=r3 +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1005 cpar0[4]=rVacu+dTubeS+dInsuS+dProtS+dFreeS;
1006 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1010 cpar[1]=cpar0[1]+dTubeS;
1011 cpar[2]=cpar0[1]+dTubeS+dInsuS;
1012 cpar[3]=cpar0[3]+dTubeS;
1013 cpar[4]=cpar0[3]+dTubeS+dInsuS;
1014 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1015 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1018 cpar[1]=cpar0[2]-dProtS-dFreeS;
1019 cpar[2]=cpar0[2]-dProtS;
1020 cpar[3]=cpar0[4]-dProtS-dFreeS;
1021 cpar[4]=cpar0[4]-dProtS;
1022 gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1023 gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1026 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1029 // MUON trigger wall
1033 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1034 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1035 dz = (zFilterIn + zFilterOut) / 2.;
1037 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1038 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1039 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1041 // Shielding close to chamber
1044 cpar[0]=(zch11-zRear)/2.;
1046 cpar[2]=zRear*TMath::Tan(accMin);
1048 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1049 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1051 gMC->Gspos("YCS1", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1054 cpar[0]=(zvac4-zch12)/2.;
1056 cpar[2]=(zvac4-2.*cpar[0])*TMath::Tan(accMin);
1059 gMC->Gsvolu("YCS2", "CONE", idtmed[kNiCuW], cpar, 5);
1061 gMC->Gspos("YCS2", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1064 cpar[0]=(zch12-zch11-2.)/2.;
1066 cpar[2]=(zch11+2.)*TMath::Tan(accMin);
1068 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1069 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1070 dz=(zch11+zch12)/2.;
1071 gMC->Gspos("YCS3", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1074 cpar[0]=(zch21-zvac4)/2.;
1076 cpar[2]=zvac4*TMath::Tan(accMin);
1078 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1079 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1081 gMC->Gspos("YCS4", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1084 cpar[0]=(zvac6-zch22)/2.;
1086 cpar[2]=(zvac6-2.*cpar[0])*TMath::Tan(accMin);
1088 cpar[4]=zvac6*TMath::Tan(accMin);
1089 gMC->Gsvolu("YCS5", "CONE", idtmed[kNiCuW], cpar, 5);
1091 gMC->Gspos("YCS5", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1094 cpar[0]=(zch22-zch21-2.)/2.;
1096 cpar[2]=(zch21+2.)*TMath::Tan(accMin);
1098 cpar[4]=cpar[2]+2.*cpar[0]*TMath::Tan(accMin);
1099 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1100 dz=(zch21+zch22)/2.;
1101 gMC->Gspos("YCS6", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1119 par0[8] = 30.+(zch31-zConeE)*TMath::Tan(thetaOpenPbO);
1123 par0[11] = par0[8]-1.;
1128 par0[14] = par0[11];
1132 par0[ 5] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
1137 par0[ 8] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
1145 par0[14] = par0[11];
1149 par0[17] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
1154 par0[20] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
1158 par0[23] = 37.5; // recess erice2000
1162 par0[26] = par0[23];
1166 par0[29] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
1168 par0[30] = zFilterIn;
1170 par0[32] = par0[29];
1172 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1174 gMC->Gspos("YOPB", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1178 void AliSHILv0::Init()
1181 // Initialise the muon shield after it has been built
1186 printf("\n%s: ",ClassName());
1187 for(i=0;i<35;i++) printf("*");
1188 printf(" SHILv0_INIT ");
1189 for(i=0;i<35;i++) printf("*");
1190 printf("\n%s: ",ClassName());
1192 // Here the SHIL initialisation code (if any!)
1193 for(i=0;i<80;i++) printf("*");