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 1.20 2002/10/29 09:53:40 morsch
19 Constants start with k. Warnings corrected.
22 Revision 1.19 2002/10/14 14:57:39 hristov
23 Merging the VirtualMC branch to the main development branch (HEAD)
25 Revision 1.17.6.1 2002/07/24 13:33:35 alibrary
26 Make geometry consistent with new current parameters.
28 Revision 1.18 2002/07/24 13:28:49 morsch
29 Make geometry consistent with new current parameters.
31 Revision 1.17 2001/11/17 01:29:21 morsch
32 Obsolete and wrong volume YXO5 removed.
34 Revision 1.16 2001/11/16 08:57:42 morsch
37 Revision 1.15 2001/11/05 10:41:06 morsch
38 Avoid overlap of compensation magnet with HALL.
40 Revision 1.14 2001/10/26 08:36:19 morsch
43 Revision 1.13 2001/04/23 23:12:41 morsch
44 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
46 Revision 1.12 2001/03/16 16:26:05 morsch
47 Put vacuum in beam-pipe not air.
49 Revision 1.11 2000/10/27 15:21:24 morsch
50 Shield composition after muon project leader meeting: 24/10/2000
51 - 1 cm recess in steel for station 3
52 - no heavy shielding between chambers for stations 1 and 2
54 Revision 1.10 2000/10/02 21:28:15 fca
55 Removal of useless dependecies via forward declarations
57 Revision 1.9 2000/09/12 17:00:45 morsch
58 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
60 Revision 1.8 2000/09/12 16:11:43 morsch
61 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
62 - Recesses for chambers added to outer Pb cone.
64 Revision 1.7 2000/06/15 09:40:31 morsch
65 Obsolete typedef keyword removed
67 Revision 1.6 2000/06/13 15:01:38 morsch
68 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
70 Revision 1.5 2000/06/12 19:40:00 morsch
71 New structure of beam pipe and heating jacket.
72 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
74 Revision 1.4 2000/04/03 08:13:40 fca
75 Introduce extra scope for non ANSI compliant C++ compilers
77 Revision 1.3 2000/01/17 10:29:30 morsch
78 Overlap between Shield and Absorber due to limited numerical precision removed
79 by displacing the Shield by epsilon = 0.01 cm.
81 Revision 1.2 2000/01/13 11:27:51 morsch
82 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
84 Revision 1.1 2000/01/12 15:44:03 morsch
85 Standard version of SHIL
89 ///////////////////////////////////////////////////////////////////////////////
91 // Muon Shield Class //
92 // This class contains a description of the muon shield //
96 <img src="picts/AliSHILClass.gif">
101 ///////////////////////////////////////////////////////////////////////////////
103 #include "AliSHILv0.h"
106 #include "AliConst.h"
110 //_____________________________________________________________________________
111 AliSHILv0::AliSHILv0()
114 // Default constructor for muon shield
118 //_____________________________________________________________________________
119 AliSHILv0::AliSHILv0(const char *name, const char *title)
120 : AliSHIL(name,title)
123 // Standard constructor for muon shield
128 // Pb cone not yet compatible with muon chamber inner radii
129 // Switched off by default
133 //_____________________________________________________________________________
134 void AliSHILv0::CreateGeometry()
137 // Build muon shield geometry
142 <img src="picts/AliSHILv0.gif">
147 <img src="picts/AliSHILv0Tree.gif">
151 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[36], par3[27],
155 Int_t *idtmed = fIdtmed->GetArray()-1699;
157 #include "ABSOSHILConst.h"
158 #include "SHILConst.h"
160 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
161 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
162 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
164 // Material of the rear part of the shield
166 if (fPbCone) iHeavy=kPb;
170 Float_t dRear1=kDRear;
172 Float_t zstart=kZRear-dRear1;
178 Float_t dl=(kZvac12-zstart)/2.;
184 par0[5] = zstart * TMath::Tan(kAccMin);
186 par0[6] = -dz+kZch11;
188 par0[8] = kZch11 * TMath::Tan(kAccMin);
194 par0[12] = -dz+kZch12;
200 par0[17] = kZch12 * TMath::Tan(kAccMin);
202 par0[18] = -dz+kZch21;
204 par0[20] = kZch21 * TMath::Tan(kAccMin);
206 par0[21] = -dz+kZch21;
210 par0[24] = -dz+kZch22;
214 par0[27] = -dz+kZch22;
216 par0[29] = kZch22 * TMath::Tan(kAccMin);
218 par0[30] = -dz+kZvac6;
220 par0[32] = kZvac6 * TMath::Tan(kAccMin);
222 par0[33] = -dz+kZConeE;
226 par0[36] = -dz+kZch31;
230 par0[39] = -dz+kZch31;
234 par0[42] = -dz+kZch32;
237 // start of 1.6 deg cone
238 par0[45] = -dz+kZch32;
240 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
242 par0[48] = -dz+kZch41;
244 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
246 par0[51] = -dz+kZch41;
250 par0[54] = -dz+kZch42;
254 par0[57] = -dz+kZch42;
256 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
260 par0[60] = -dz+kZch51;
262 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
264 par0[63] = -dz+kZch51;
268 par0[66] = -dz+kZch52;
272 par0[69] = -dz+kZch52;
274 par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
278 par0[72] = -dz+kZvac10;
280 par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
282 par0[75] = -dz+kZvac10;
286 par0[78] = -dz+kZvac11;
290 par0[81] = -dz+kZvac11;
294 par0[84] = -dz+kZvac12;
298 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
300 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
301 gMC->Gsbool("YMOT","L3DO");
302 gMC->Gsbool("YMOT","L3O1");
303 gMC->Gsbool("YMOT","L3O2");
309 // First section: bellows below and behind front absorber
315 dl=(kZvac4-zstart)/2.;
318 par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
319 par1[5] = zstart * TMath::Tan(kAccMin);
321 par1[6] = -dl+kZvac1-zstart;
322 par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
323 par1[8] = kZvac1 * TMath::Tan(kAccMin);
325 par1[9] = par1[6]+kDr11/2.;
326 par1[10] = par1[7]+kDr11;
327 par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
329 par1[12] = -dl+dRear1;
331 par1[14] = kZRear * TMath::Tan(kAccMin);
333 par1[15] = -dl+dRear1;
337 par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
341 par1[21] = par1[18]+kDr12;
342 par1[22] = par1[19]+kDr12;
345 par1[24] = par1[21]+kDF1;
349 par1[27] = par1[24]+kDr12;
350 par1[28] = par1[25]-kDr12;
353 par1[30] = par1[27]+kDB1;
357 par1[33] = par1[30]+kDr13;
358 par1[34] = par1[31]-kDr13;
361 par1[36] = -dl+kZvac4-zstart;
365 Float_t r2 = par1[37];
366 Float_t rBox= par1[31]-0.1;
368 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
371 for (i=0; i<39; i++) pars1[i] = par1[i];
372 for (i=4; i<38; i+=3) pars1[i] = 0.;
374 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
375 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
377 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
382 tpar[0]=kR11-kDRSteel2;
384 tpar[2]=(kZvac4-kZvac3)/2.;
385 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
387 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
390 // 1st section: vacuum system
402 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
405 tpar[0]=kRB1+kHB1-kEB1;
407 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
408 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
414 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
421 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
424 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
427 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
430 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
433 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
436 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
440 tpar[1]=kRB1+kHB1+0.5;
442 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
443 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
445 Float_t bsize = tpar[2];
448 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
450 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
451 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
453 dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
454 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
462 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
467 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
472 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
475 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
476 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
478 dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
479 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
482 // pipe between flange and bellows
488 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
492 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
493 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
496 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
498 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
501 // Pipe+Heating 1.5 mm
502 // Heating Jacket 5.0 mm
504 // ========================
506 // pipe and heating jackets outside bellows
509 cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
510 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
511 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
512 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
513 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
514 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
519 cpar[1]=cpar0[1]+0.15;
520 cpar[2]=cpar0[1]+0.65;
521 cpar[3]=cpar0[3]+0.15;
522 cpar[4]=cpar0[3]+0.65;
523 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
524 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
526 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
532 cpar0[0] = (kZvac4-kZvac3)/2;
534 cpar0[2] = cpar0[1]+dVacuS;
535 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
536 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
537 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
538 Float_t r2V=cpar0[3];
542 cpar[1] = cpar0[1]+dTubeS;
543 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
544 cpar[3] = cpar0[3]+dTubeS;
545 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
546 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
547 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
550 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
554 // Between first and second bellow section
560 dl=(kZvac7-kZvac4)/2.;
570 par2[9] = -dl+(kZvac6-kZvac4);
571 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
574 par2[12] = -dl+(kZvac6-kZvac4);
576 par2[14] = kZvac6*TMath::Tan(kAccMin);
578 // Start of Pb section
579 par2[15] = -dl+(kZPb-kZvac4);
580 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
581 par2[17] = kZPb*TMath::Tan(kAccMin);
583 // end of cone following 2 deg line
584 par2[18] = -dl+(kZConeE-kZvac4);
585 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
588 par2[21] = -dl+(kZch31-kZvac4);
589 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
592 par2[24] = -dl+(kZch31-kZvac4);
593 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
596 par2[27] = -dl+(kZch32-kZvac4);
597 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
600 par2[30] = -dl+(kZch32-kZvac4);
601 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
604 par2[33] = -dl+(kZvac7-kZvac4);
605 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
608 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
617 Float_t dlPb=(kZvac7-kZPb)/2.;
620 parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
621 parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
623 parPb[6] = -dlPb+(kZConeE-kZPb);
624 parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
628 parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
631 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
632 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
641 Float_t dlW=(kZPb-kZvac4)/2.;
645 parW[5] = kR21-kDRSteel2;
647 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
648 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
649 parW[8] = kR21-kDRSteel2;
651 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
652 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
653 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
656 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
657 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
659 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
660 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
662 for (i=4; i<35; i+=3) par2[i] = 0;
664 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
665 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
667 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
671 // 2nd section: vacuum system
673 cpar0[0]=(kZvac7-kZvac4)/2;
676 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
677 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
678 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
682 cpar[1]=cpar0[1]+dTubeS;
683 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
684 cpar[3]=cpar0[3]+dTubeS;
685 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
686 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
687 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
688 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
691 // Third Section: Bellows and Flange
696 dl=(kZvac9-kZvac7)/2.;
699 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
703 par3[7] = par3[4]+kDr21;
706 par3[9] = par3[6]+kDB2;
710 par3[12] = par3[9]+kDr22;
711 par3[13] = par3[10]+kDr22;
714 par3[15] = par3[12]+kDF2;
718 par3[18] = par3[15]+kDr22;
719 par3[19] = par3[16]-kDr22;
722 par3[21] = par3[18]+kDB2;
726 par3[24] = par3[21]+kDr23;
733 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
735 for (i=4; i<26; i+=3) par3[i] = 0;
737 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
738 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
745 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
746 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
748 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
752 // 3rd section: vacuum system
760 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
763 tpar[0]=kRB2+kHB2-kEB2;
765 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
766 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
772 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
779 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
782 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
785 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
788 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
791 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
794 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
800 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
803 for (i=0; i<7; i++) {
804 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
808 dz=-dl+kDr21+tpar[2];
809 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
812 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
820 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
825 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
826 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
831 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
833 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
835 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
837 dz=kDr21/2.-kDr23/2.;
838 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
842 // pipe between flange and bellows
845 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
846 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
847 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
848 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
849 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
850 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
855 // 4th section: rear shield and closing cone
860 dl=(kZvac12-kZvac9)/2.;
870 par4[9] = -dl+(kZvac10-kZvac9);
871 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
878 par4[15] = -dl+(kZvac11-kZvac9);
879 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
886 par4[21] = -dl+(kZvac12-kZvac9);
887 par4[22] = kRVacu+dVacuS;
890 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
892 // parPb[0] = (kZvac12-kZvac10)/2.;
893 // parPb[1] = parPb[3];
895 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
897 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
898 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
900 for (i=4; i<23; i+=3) par4[i] = 0;
902 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
903 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
908 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
911 // Closing concrete cone
913 cpar[0]=(kZvac12-kZvac11)/2.;
914 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
915 cpar[2] = cpar[1]+0.001;
916 cpar[3] = kRVacu+dVacuS;
918 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
920 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
927 tpar[2]=(kZvac10-kZvac9)/2.;
928 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
930 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
933 tpar[0]=kR41-kDRSteel2;
935 tpar[2]=(kZvac11-kZvac10)/2.;
936 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
938 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
944 tpar[2]=(kZvac11-kZvac10)/2.;
945 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
947 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
951 tpar[2]=(kZvac11-kZvac10)/2.;
952 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
953 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
961 tpar[2]=(kZvac12-kZvac11)/2.;
962 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
964 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
969 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
970 dz=-(kZvac12-kZvac11)/2.+tpar[2];
971 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
978 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
982 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
983 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
987 if (gMC->VolId("HUP2")) {
988 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
991 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
996 // 4th section: vacuum system
998 // up to closing cone
1000 Float_t r3V=r3-kDr23+dVacuS-1.6;
1002 cpar0[0]=(kZvac11-kZvac9)/2;
1003 cpar0[1]=r3V-dVacuS;
1005 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1006 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1007 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
1011 cpar[1]=cpar0[1]+dTubeS;
1012 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1013 cpar[3]=cpar0[3]+dTubeS;
1014 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1015 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
1016 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1018 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1021 cpar0[0]=(kZvac12-kZvac11)/2;
1022 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1023 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1025 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
1026 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1030 cpar[1]=cpar0[1]+dTubeS;
1031 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1032 cpar[3]=cpar0[3]+dTubeS;
1033 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1034 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1035 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1038 // cpar[1]=cpar0[2]-kDProtS-kDFreeS;
1039 // cpar[2]=cpar0[2]-kDProtS;
1040 // cpar[3]=cpar0[4]-kDProtS-kDFreeS;
1041 // cpar[4]=cpar0[4]-kDProtS;
1042 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1043 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1046 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1049 // MUON trigger wall
1053 tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
1054 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1055 dz = (kZFilterIn + kZFilterOut) / 2.;
1057 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1058 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1059 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1061 // Shielding close to chamber
1064 cpar[0]=(kZch11-kZRear)/2.;
1066 cpar[2]=kZRear*TMath::Tan(kAccMin);
1068 cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
1069 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1070 dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
1071 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1073 cpar[0]=(kZvac4-kZch12)/2.;
1075 cpar[2]=kZch12*TMath::Tan(kAccMin);
1077 cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
1078 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1079 dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
1080 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1085 cpar[0]=(kZch12-kZch11)/2.;
1090 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1091 dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
1092 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1101 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1104 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1105 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1106 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1107 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1114 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1115 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1121 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1122 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1128 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1129 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1135 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1136 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1142 cpar[0]=(kZch21-kZvac4)/2.;
1144 cpar[2]=kZvac4*TMath::Tan(kAccMin);
1146 cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
1147 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1148 dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
1149 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1151 cpar[0]=(kZvac6-kZch22)/2.;
1153 cpar[2]=kZch22*TMath::Tan(kAccMin);
1155 cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
1156 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1157 dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
1158 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1162 cpar[0]=(kZch22-kZch21)/2.;
1167 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1168 dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
1169 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1176 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1182 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1183 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1189 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1190 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1196 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1197 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1203 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1204 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1212 dl = (kZvac10-kZch32)/2.;
1221 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1224 par0[ 6] = -dz + kZch41;
1226 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1228 par0[ 9] = -dz + kZch41;
1232 par0[12] = -dz + kZch42;
1234 par0[14] = par0[11];
1236 par0[15] = -dz + kZch42;
1238 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1241 par0[18] = -dz + kZch51;
1243 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1245 par0[21] = -dz + kZch51;
1247 par0[23] = 37.5; // recess erice2000
1249 par0[24] = -dz + kZch52;
1251 par0[26] = par0[23];
1253 par0[27] = -dz + kZch52;
1255 par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1259 par0[32] = par0[29];
1261 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1262 dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
1263 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1267 void AliSHILv0::Init()
1270 // Initialise the muon shield after it has been built
1276 printf("\n%s: ",ClassName());
1277 for(i=0;i<35;i++) printf("*");
1278 printf(" SHILv0_INIT ");
1279 for(i=0;i<35;i++) printf("*");
1280 printf("\n%s: ",ClassName());
1282 // Here the SHIL initialisation code (if any!)
1283 for(i=0;i<80;i++) printf("*");