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 1.16 2001/11/16 08:57:42 morsch
21 Revision 1.15 2001/11/05 10:41:06 morsch
22 Avoid overlap of compensation magnet with HALL.
24 Revision 1.14 2001/10/26 08:36:19 morsch
27 Revision 1.13 2001/04/23 23:12:41 morsch
28 Overlap in closing cone corrected (thanks to Ivana Hrivnacova)
30 Revision 1.12 2001/03/16 16:26:05 morsch
31 Put vacuum in beam-pipe not air.
33 Revision 1.11 2000/10/27 15:21:24 morsch
34 Shield composition after muon project leader meeting: 24/10/2000
35 - 1 cm recess in steel for station 3
36 - no heavy shielding between chambers for stations 1 and 2
38 Revision 1.10 2000/10/02 21:28:15 fca
39 Removal of useless dependecies via forward declarations
41 Revision 1.9 2000/09/12 17:00:45 morsch
42 Overlaps in YMO3 and YMO4 (side-effect from last update only) corrected.
44 Revision 1.8 2000/09/12 16:11:43 morsch
45 - Bug in volume YGO2 corrected: PCON started with twice the same z-value.
46 - Recesses for chambers added to outer Pb cone.
48 Revision 1.7 2000/06/15 09:40:31 morsch
49 Obsolete typedef keyword removed
51 Revision 1.6 2000/06/13 15:01:38 morsch
52 Make kind of heavy shielding material (Pb, NiCuW) dependent on presence of outer cone.
54 Revision 1.5 2000/06/12 19:40:00 morsch
55 New structure of beam pipe and heating jacket.
56 Optional outer Pb cone added. Not yet compatible with chamber inner radii.
58 Revision 1.4 2000/04/03 08:13:40 fca
59 Introduce extra scope for non ANSI compliant C++ compilers
61 Revision 1.3 2000/01/17 10:29:30 morsch
62 Overlap between Shield and Absorber due to limited numerical precision removed
63 by displacing the Shield by epsilon = 0.01 cm.
65 Revision 1.2 2000/01/13 11:27:51 morsch
66 Overlaps corrected: YCS3, YCS4; Inner radius YS21 corrected
68 Revision 1.1 2000/01/12 15:44:03 morsch
69 Standard version of SHIL
73 ///////////////////////////////////////////////////////////////////////////////
75 // Muon Shield Class //
76 // This class contains a description of the muon shield //
80 <img src="picts/AliSHILClass.gif">
85 ///////////////////////////////////////////////////////////////////////////////
87 #include "AliSHILv0.h"
94 //_____________________________________________________________________________
95 AliSHILv0::AliSHILv0()
98 // Default constructor for muon shield
102 //_____________________________________________________________________________
103 AliSHILv0::AliSHILv0(const char *name, const char *title)
104 : AliSHIL(name,title)
107 // Standard constructor for muon shield
112 // Pb cone not yet compatible with muon chamber inner radii
113 // Switched off by default
117 //_____________________________________________________________________________
118 void AliSHILv0::CreateGeometry()
121 // Build muon shield geometry
126 <img src="picts/AliSHILv0.gif">
131 <img src="picts/AliSHILv0Tree.gif">
135 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[27], par3[27],
139 Int_t *idtmed = fIdtmed->GetArray()-1699;
141 #include "ABSOSHILConst.h"
142 #include "SHILConst.h"
144 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
145 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
146 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
148 // Material of the rear part of the shield
150 if (fPbCone) iHeavy=kPb;
154 Float_t dRear1=dRear;
156 Float_t zstart=zRear-dRear1;
162 Float_t dl=(zvac12-zstart)/2.;
168 par0[5] = zstart * TMath::Tan(accMin);
172 par0[8] = zch11 * TMath::Tan(accMin);
178 par0[12] = -dz+zch12;
184 par0[17] = zch12 * TMath::Tan(accMin);
186 par0[18] = -dz+zch21;
188 par0[20] = zch21 * TMath::Tan(accMin);
190 par0[21] = -dz+zch21;
194 par0[24] = -dz+zch22;
198 par0[27] = -dz+zch22;
200 par0[29] = zch22 * TMath::Tan(accMin);
202 par0[30] = -dz+zvac6;
204 par0[32] = zvac6 * TMath::Tan(accMin);
206 par0[33] = -dz+zConeE;
210 par0[36] = -dz+zch31;
214 par0[39] = -dz+zch31;
218 par0[42] = -dz+zch32;
221 // start of 1.6 deg cone
222 par0[45] = -dz+zch32;
224 par0[47] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
226 par0[48] = -dz+zch41;
228 par0[50] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
230 par0[51] = -dz+zch41;
234 par0[54] = -dz+zch42;
238 par0[57] = -dz+zch42;
240 par0[59] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
244 par0[60] = -dz+zch51;
246 par0[62] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
248 par0[63] = -dz+zch51;
252 par0[66] = -dz+zch52;
256 par0[69] = -dz+zch52;
258 par0[71] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
262 par0[72] = -dz+zvac10;
264 par0[74] = 30.+(zvac10-zConeE)*TMath::Tan(thetaOpenPbO);
266 par0[75] = -dz+zvac10;
270 par0[78] = -dz+zvac11;
274 par0[81] = -dz+zvac11;
278 par0[84] = -dz+zvac12;
282 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
284 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
290 // First section: bellows below and behind front absorber
296 dl=(zvac4-zstart)/2.;
299 par1[4] = rAbs+(zstart-zOpen) * TMath::Tan(thetaOpen1);
300 par1[5] = zstart * TMath::Tan(accMin);
302 par1[6] = -dl+zvac1-zstart;
303 par1[7] = rAbs+ (zvac1-zOpen) * TMath::Tan(thetaOpen1);
304 par1[8] = zvac1 * TMath::Tan(accMin);
306 par1[9] = par1[6]+dr11/2.;
307 par1[10] = par1[7]+dr11;
308 par1[11] = (zvac1+dr11/2.) * TMath::Tan(accMin);
310 par1[12] = -dl+dRear1;
312 par1[14] = zRear * TMath::Tan(accMin);
314 par1[15] = -dl+dRear1;
318 par1[18] = -dl+(zvac1+dr11+dB1-zstart);
322 par1[21] = par1[18]+dr12;
323 par1[22] = par1[19]+dr12;
326 par1[24] = par1[21]+dF1;
330 par1[27] = par1[24]+dr12;
331 par1[28] = par1[25]-dr12;
334 par1[30] = par1[27]+dB1;
338 par1[33] = par1[30]+dr13;
339 par1[34] = par1[31]-dr13;
342 par1[36] = -dl+zvac4-zstart;
346 Float_t r2 = par1[37];
347 Float_t rBox= par1[31]-0.1;
348 Float_t rc1 = par1[7];
350 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
353 for (i=0; i<39; i++) pars1[i] = par1[i];
354 for (i=4; i<38; i+=3) pars1[i] = 0.;
356 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
357 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
359 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
364 tpar[0]=R11-dRSteel2;
366 tpar[2]=(zvac4-zvac3)/2.;
367 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
369 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
372 // 1st section: vacuum system
380 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
385 tpar[2]=(lB1/2.-2.*eB1)/2.;
386 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
392 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
399 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
402 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
405 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
408 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
411 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
414 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
420 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
421 Float_t bsize = tpar[2];
423 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
424 gMC->Gspos("YBI1", 2, "YBM1", 0., 0., 0., 0, "ONLY");
428 for (i=0; i<10; i++) {
429 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
433 dz=-dl+(zvac1-zstart)+dr11+bsize;
434 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
436 dz=dl-dr13-(zvac4-zvac3)-bsize;
437 gMC->Gspos("YBM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
446 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
451 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
456 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
459 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
460 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
462 dz=-dl+(zvac2-zstart);
463 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
466 // pipe between flange and bellows
471 tpar[2]=2.*(dB1+dr12-10.*lB1)/4.;
472 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
476 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
477 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
479 dz=-dl+(zvac2-zstart)-dF1/2.-tpar[2];
480 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
481 dz=-dl+(zvac2-zstart)+dF1/2.+tpar[2];
482 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
484 // Pipe+Heating 1.5 mm
485 // Heating Jacket 5.0 mm
487 // ========================
489 // pipe and heating jackets outside bellows
492 cpar0[0]=(zvac1+dr11-zstart)/2;
493 cpar0[1]=rVacu-0.05 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
494 cpar0[2]=rVacu+0.7 +(zstart-zOpen)*TMath::Tan(thetaOpen1);
495 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
496 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen1);
497 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
502 cpar[1]=cpar0[1]+0.15;
503 cpar[2]=cpar0[1]+0.65;
504 cpar[3]=cpar0[3]+0.15;
505 cpar[4]=cpar0[3]+0.65;
506 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
507 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
509 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
515 cpar0[0] = (zvac4-zvac3)/2;
517 cpar0[2] = cpar0[1]+dVacuS;
518 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
519 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
520 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
521 Float_t r2V=cpar0[3];
525 cpar[1] = cpar0[1]+dTubeS;
526 cpar[2] = cpar0[1]+dTubeS+dInsuS;
527 cpar[3] = cpar0[3]+dTubeS;
528 cpar[4] = cpar0[3]+dTubeS+dInsuS;
529 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
530 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
533 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
536 // Between first and second bellow section
552 par2[9] = -dl+(zvac6-zvac4);
553 par2[10] = r2+(zvac6-zvac4-10.) * TMath::Tan(thetaOpen2);
556 par2[12] = -dl+(zvac6-zvac4);
558 par2[14] = zvac6*TMath::Tan(accMin);
560 // Start of Pb section
561 par2[15] = -dl+(zPb-zvac4);
562 par2[16] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
563 par2[17] = zPb*TMath::Tan(accMin);
565 // end of cone following 2 deg line
566 par2[18] = -dl+(zConeE-zvac4);
567 par2[19] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
570 par2[21] = -dl+(zch31-zvac4);
571 par2[22] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
574 par2[24] = -dl+(zch31-zvac4);
575 par2[25] = r2+(zch31-zvac4-10.) * TMath::Tan(thetaOpen2);
578 par2[27] = -dl+(zch32-zvac4);
579 par2[28] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
582 par2[30] = -dl+(zch32-zvac4);
583 par2[31] = r2+(zch32-zvac4-10.) * TMath::Tan(thetaOpen2);
586 par2[33] = -dl+(zvac7-zvac4);
587 par2[34] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
590 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
599 Float_t dlPb=(zvac7-zPb)/2.;
602 parPb[4] = r2+(zPb-zvac4-10.) * TMath::Tan(thetaOpen2);
603 parPb[5] = zPb*TMath::Tan(accMin)-dRSteel2;
605 parPb[6] = -dlPb+(zConeE-zPb);
606 parPb[7] = r2+(zConeE-zvac4-10.) * TMath::Tan(thetaOpen2);
610 parPb[10] = r2+(zvac7-zvac4-10.) * TMath::Tan(thetaOpen2);
613 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
614 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (zPb-zvac4)/2., 0, "ONLY");
623 Float_t dlW=(zPb-zvac4)/2.;
627 parW[5] = R21-dRSteel2;
629 parW[6] = -dlW+(zvac6-zvac4)+dRSteel2;
630 parW[7] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
631 parW[8] = R21-dRSteel2;
633 parW[9] = -dlW+(zvac6-zvac4)+dRSteel2;
634 parW[10] = r2+(zvac6-zvac4+dRSteel2) * TMath::Tan(thetaOpen2);
635 parW[11] = (zvac6+dRSteel2)*TMath::Tan(accMin)-dRSteel2;
638 parW[13] = r2+(zPb-zvac4) * TMath::Tan(thetaOpen2);
639 parW[14] = zPb*TMath::Tan(accMin)-dRSteel2;
641 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
642 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(zvac7-zPb)/2., 0, "ONLY");
644 for (i=4; i<35; i+=3) par2[i] = 0;
646 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
647 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
649 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
653 // 2nd section: vacuum system
655 cpar0[0]=(zvac7-zvac4)/2;
658 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
659 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpenB);
660 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
664 cpar[1]=cpar0[1]+dTubeS;
665 cpar[2]=cpar0[1]+dTubeS+dInsuS;
666 cpar[3]=cpar0[3]+dTubeS;
667 cpar[4]=cpar0[3]+dTubeS+dInsuS;
668 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
669 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
670 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
673 // Third Section: Bellows and Flange
681 par3[4] = r2+(zvac7-zvac3) * TMath::Tan(thetaOpen2);
685 par3[7] = par3[4]+dr21;
688 par3[9] = par3[6]+dB2;
692 par3[12] = par3[9]+dr22;
693 par3[13] = par3[10]+dr22;
696 par3[15] = par3[12]+dF2;
700 par3[18] = par3[15]+dr22;
701 par3[19] = par3[16]-dr22;
704 par3[21] = par3[18]+dB2;
708 par3[24] = par3[21]+dr23;
715 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
717 for (i=4; i<26; i+=3) par3[i] = 0;
719 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
720 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
727 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
728 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
730 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
734 // 3rd section: vacuum system
742 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
747 tpar[2]=(lB2/2.-2.*eB2)/2.;
748 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
754 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
761 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
764 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
767 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
770 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
773 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
776 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
782 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
785 for (i=0; i<7; i++) {
786 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
791 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
794 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
802 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
807 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
808 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
813 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
815 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
817 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
820 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
824 // pipe between flange and bellows
827 tpar[2]=2.*(dB2+dr22-7.*lB2)/4.;
828 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
829 dz=dr21/2.-dr23/2.-dF2/2.-tpar[2];
830 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
831 dz=dr21/2.-dr23/2.+dF2/2.+tpar[2];
832 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
837 // 4th section: rear shield and closing cone
842 dl=(zvac12-zvac9)/2.;
852 par4[9] = -dl+(zvac10-zvac9);
853 par4[10] = r3+(zvac10-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
860 par4[15] = -dl+(zvac11-zvac9);
861 par4[16] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
868 par4[21] = -dl+(zvac12-zvac9);
869 par4[22] = rVacu+dVacuS;
872 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
874 // parPb[0] = (zvac12-zvac10)/2.;
875 // parPb[1] = parPb[3];
877 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(thetaOpenPb);
879 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
880 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(zvac10-zvac9)+parPb[0], 0, "ONLY");
882 for (i=4; i<23; i+=3) par4[i] = 0;
884 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
885 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
890 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
893 // Closing concrete cone
895 cpar[0]=(zvac12-zvac11)/2.;
896 cpar[1] = r3+(zvac11-zvac9-dHorZ) * TMath::Tan(thetaOpen3);
897 cpar[2] = cpar[1]+0.001;
898 cpar[3] = rVacu+dVacuS;
900 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
902 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
909 tpar[2]=(zvac10-zvac9)/2.;
910 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
912 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
915 tpar[0]=R41-dRSteel2;
917 tpar[2]=(zvac11-zvac10)/2.;
918 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
920 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
926 tpar[2]=(zvac11-zvac10)/2.;
927 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
929 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
933 tpar[2]=(zvac11-zvac10)/2.;
934 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
935 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
943 tpar[2]=(zvac12-zvac11)/2.;
944 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
946 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
951 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
952 dz=-(zvac12-zvac11)/2.+tpar[2];
953 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
960 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
964 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
965 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
969 if (gMC->VolId("HUP2")) {
970 gMC->Gspos("YAEM", 1, "HUP2", 0., 0., 0., 0, "ONLY");
973 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
978 // 4th section: vacuum system
980 // up to closing cone
982 Float_t r3V=r3-dr23+dVacuS-1.6;
984 cpar0[0]=(zvac11-zvac9)/2;
987 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
988 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(thetaOpen3);
989 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
993 cpar[1]=cpar0[1]+dTubeS;
994 cpar[2]=cpar0[1]+dTubeS+dInsuS;
995 cpar[3]=cpar0[3]+dTubeS;
996 cpar[4]=cpar0[3]+dTubeS+dInsuS;
997 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
998 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1000 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1003 cpar0[0]=(zvac12-zvac11)/2;
1004 cpar0[1]=r3V-dVacuS+(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1005 cpar0[2]=r3V +(zvac11-zvac9)*TMath::Tan(thetaOpen3);
1007 cpar0[4]=rVacu+dTubeS+dInsuS+dProtS+dFreeS;
1008 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1012 cpar[1]=cpar0[1]+dTubeS;
1013 cpar[2]=cpar0[1]+dTubeS+dInsuS;
1014 cpar[3]=cpar0[3]+dTubeS;
1015 cpar[4]=cpar0[3]+dTubeS+dInsuS;
1016 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1017 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1020 // cpar[1]=cpar0[2]-dProtS-dFreeS;
1021 // cpar[2]=cpar0[2]-dProtS;
1022 // cpar[3]=cpar0[4]-dProtS-dFreeS;
1023 // cpar[4]=cpar0[4]-dProtS;
1024 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
1025 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1028 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1031 // MUON trigger wall
1035 tpar[2] = (zFilterOut - zFilterIn) / 2.;
1036 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
1037 dz = (zFilterIn + zFilterOut) / 2.;
1039 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
1040 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
1041 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
1043 // Shielding close to chamber
1046 cpar[0]=(zch11-zRear)/2.;
1048 cpar[2]=zRear*TMath::Tan(accMin);
1050 cpar[4]=(zRear+2.*cpar[0])*TMath::Tan(accMin);
1051 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
1052 dz=-(zvac12-zstart)/2.+(zRear-zstart)+cpar[0];
1053 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1055 cpar[0]=(zvac4-zch12)/2.;
1057 cpar[2]=zch12*TMath::Tan(accMin);
1059 cpar[4]=(zch12+2.*cpar[0])*TMath::Tan(accMin);
1060 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1061 dz=-(zvac12-zstart)/2.+(zch12-zstart)+cpar[0];
1062 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1067 cpar[0]=(zch12-zch11)/2.;
1072 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1073 dz=-(zvac12-zstart)/2.+(zch11-zstart)+cpar[0];
1074 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1083 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1086 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1087 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1088 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1089 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1096 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1097 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1103 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1104 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1110 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1111 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1117 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1118 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1124 cpar[0]=(zch21-zvac4)/2.;
1126 cpar[2]=zvac4*TMath::Tan(accMin);
1128 cpar[4]=(zvac4+2.*cpar[0])*TMath::Tan(accMin);
1129 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1130 dz=-(zvac12-zstart)/2.+(zvac4-zstart)+cpar[0];
1131 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1133 cpar[0]=(zvac6-zch22)/2.;
1135 cpar[2]=zch22*TMath::Tan(accMin);
1137 cpar[4]=(zch22+2.*cpar[0])*TMath::Tan(accMin);
1138 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1139 dz=-(zvac12-zstart)/2.+(zch22-zstart)+cpar[0];
1140 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1144 cpar[0]=(zch22-zch21)/2.;
1149 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1150 dz=-(zvac12-zstart)/2.+(zch21-zstart)+cpar[0];
1151 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1158 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1164 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1165 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1171 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1172 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1178 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1179 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1185 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1186 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1194 dl = (zvac10-zch32)/2.;
1203 par0[ 5] = 30.+(zch32-zConeE)*TMath::Tan(thetaOpenPbO);
1206 par0[ 6] = -dz + zch41;
1208 par0[ 8] = 30.+(zch41-zConeE)*TMath::Tan(thetaOpenPbO);
1210 par0[ 9] = -dz + zch41;
1214 par0[12] = -dz + zch42;
1216 par0[14] = par0[11];
1218 par0[15] = -dz + zch42;
1220 par0[17] = 30.+(zch42-zConeE)*TMath::Tan(thetaOpenPbO);
1223 par0[18] = -dz + zch51;
1225 par0[20] = 30.+(zch51-zConeE)*TMath::Tan(thetaOpenPbO);
1227 par0[21] = -dz + zch51;
1229 par0[23] = 37.5; // recess erice2000
1231 par0[24] = -dz + zch52;
1233 par0[26] = par0[23];
1235 par0[27] = -dz + zch52;
1237 par0[29] = 30.+(zch52-zConeE)*TMath::Tan(thetaOpenPbO);
1241 par0[32] = par0[29];
1243 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1244 dz = -(zvac12-zstart)/2. + (zch32-zstart) + dl;
1245 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1249 void AliSHILv0::Init()
1252 // Initialise the muon shield after it has been built
1258 printf("\n%s: ",ClassName());
1259 for(i=0;i<35;i++) printf("*");
1260 printf(" SHILv0_INIT ");
1261 for(i=0;i<35;i++) printf("*");
1262 printf("\n%s: ",ClassName());
1264 // Here the SHIL initialisation code (if any!)
1265 for(i=0;i<80;i++) printf("*");