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 //-------------------------------------------------------------------------
19 // MUON shielding class
22 //-------------------------------------------------------------------------
24 #include <TVirtualMC.h>
26 #include <TGeoVolume.h>
28 #include <TGeoManager.h>
29 #include <TGeoMatrix.h>
30 #include <TGeoCompositeShape.h>
33 #include <TGeoTorus.h>
35 #include "AliSHILv2.h"
42 //_____________________________________________________________________________
44 AliSHILv2::AliSHILv2():
46 fWriteGeometry(kFALSE)
49 // Default constructor for muon shield
53 //_____________________________________________________________________________
54 AliSHILv2::AliSHILv2(const char *name, const char *title)
55 : AliSHIL(name,title),
57 fWriteGeometry(kFALSE)
60 // Standard constructor for muon shield
62 // Pb cone not yet compatible with muon chamber inner radii
63 // Switched off by default
66 //_____________________________________________________________________________
67 void AliSHILv2::CreateGeometry()
70 // Build muon shield geometry
75 <img src="picts/AliSHILv2.gif">
80 <img src="picts/AliSHILv2Tree.gif">
84 Float_t cpar[5], cpar0[5], tpar[3], par1[100], pars1[100], par2[100], par3[100],
88 Int_t *idtmed = fIdtmed->GetArray()-1699;
92 #include "ABSOSHILConst.h"
93 #include "SHILConst2.h"
95 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
96 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
97 kPolyCH2=1717, kSteel=1718, kInsulation=1713, kAirMuon = 1774};
101 // Material of the rear part of the shield
102 Int_t iHeavy = kNiCuW;
103 if (fPbCone) iHeavy=kPb;
107 Float_t dRear1=kDRear;
109 Float_t zstart=kZRear-dRear1;
115 Float_t dl=(kZvac12-zstart)/2.;
116 const Float_t kzLength = dl;
123 par0[5] = zstart * TMath::Tan(kAccMin);
125 par0[6] = -dl - zstart + kZch11;
133 par0[12] = -dl - zstart + kZch12;
141 par0[18] = -dz+kZch21;
143 par0[20] = kZch21 * TMath::Tan(kAccMin);
145 par0[21] = -dz+kZch21;
149 par0[24] = -dz+kZch22;
153 par0[27] = -dz+kZch22;
155 par0[29] = kZch22 * TMath::Tan(kAccMin);
157 par0[30] = -dz+kZvac6;
159 par0[32] = kZvac6 * TMath::Tan(kAccMin);
161 par0[33] = -dz+kZConeE;
165 par0[36] = -dz+kZch31;
169 par0[39] = -dz+kZch31;
173 par0[42] = -dz+kZch32;
176 // start of 1.6 deg cone
177 par0[45] = -dz+kZch32;
179 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
181 par0[48] = -dz+kZch41;
183 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
185 par0[51] = -dz+kZch41;
189 par0[54] = -dz+kZch42;
193 par0[57] = -dz+kZch42;
195 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
199 par0[60] = -dz+kZch51;
201 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
203 par0[63] = -dz+kZch51;
207 par0[66] = -dz+kZch52;
211 par0[69] = -dz+kZch52;
213 par0[71] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
217 par0[72] = -dz+kZvac10;
221 par0[75] = -dz+kZvac10;
225 par0[78] = -dz+kZvac11;
229 par0[81] = -dz+kZvac11;
233 par0[84] = -dz+kZvac12;
237 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
239 AliMatrix(idrotm[1705], 270., 0., 90., 90., 180., 0.);
244 // Dimuon arm mother volumes (YOUT1, YOUT2)
248 Float_t z01 = -724.45;
249 // Float_t z02 = -814.30;
250 Float_t z05 = -1235.55;
255 Float_t zpos = -zstart - kzLength;
256 Float_t shift_after_absorber = 35;
257 Float_t delta = 1e-06;
263 //Float_t rst6 = 430.;
266 // Float_t zstart2 = zpos + zstart;
274 // par0[3] = zpos - ( -dl );
275 // start only after absorber
277 par0[3] = zpos - ( -dl + shift_after_absorber ) + delta;
278 par0[4] = ( zstart + shift_after_absorber ) * TMath::Tan(kAccMin) + delta;
283 par0[6] = zpos - ( -dl - zstart + kZch11 + delta );
284 par0[7] = 18.2 + delta;
289 par0[10] = kR11 + delta;
293 par0[12] = zpos - ( -dl - zstart + kZch12 - delta );
294 par0[13] = kR11 + delta;
299 par0[16] = 19.5 + delta;
304 par0[18] = zpos - ( -dz+kZch21 + delta );
305 par0[19] = kZch21 * TMath::Tan(kAccMin) + delta;
310 par0[22] = kR21 + delta;
314 par0[24] = zpos - ( -dz+kZch22 - delta );
315 par0[25] = kR21 + delta;
320 par0[28] = kZch22 * TMath::Tan(kAccMin) + delta;
324 par0[30] = zpos - ( -dz+kZvac6 );
325 par0[31] = kZvac6 * TMath::Tan(kAccMin) + delta;
328 Float_t nextZ = zpos - ( -dz+kZConeE );
329 Float_t nextRin = 30. + delta;
330 Float_t nextRout = rst3;
331 Float_t tgin = ( nextRin - par0[31]) / (nextZ - par0[30]);
332 Float_t tgout = ( nextRout - par0[32])/ (nextZ - par0[30]);
336 par0[34] = par0[31] + (z01 - par0[30]) * tgin;
337 par0[35] = par0[32] + (z01 - par0[30]) * tgout;
339 gMC->Gsvolu("YOUT1", "PCON", idtmed[kAirMuon], par0, 36);
340 gMC->Gspos("YOUT1", 1, "ALIC", 0., 0., 0., 0, "ONLY");
353 par0[4] = nextRin - (z05 - nextZ) * TMath::Tan(kThetaOpenPbO) + delta ;
358 par0[6] = zpos - ( -dz+kZch41 + delta );
359 par0[7] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
364 par0[10] = 36.9 + delta;
368 par0[12] = zpos - ( -dz+kZch42 - delta );
369 par0[13] = 36.9 + delta;
374 par0[16] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
380 par0[18] = zpos - ( -dz+kZch51 + delta );
381 par0[19] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
386 par0[22] = 36.9 + delta;
390 par0[24] = zpos - ( -dz+kZch52 - delta );
391 par0[25] = 36.9 + delta;
396 par0[28] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
402 par0[30] = zpos - ( -dz+kZvac10 - delta );
408 par0[34] = kR42 + delta;
412 par0[36] = zpos - ( -dz+kZvac11 - delta );
413 par0[37] = kR42 + delta;
418 par0[40] = kR43 + delta;
422 par0[42] = zpos - ( -dz+kZvac12 );
423 par0[43] = kR43 + delta;
426 gMC->Gsvolu("YOUT2", "PCON", idtmed[kAirMuon], par0, 45);
427 gMC->Gspos("YOUT2", 1, "ALIC", 0., 0., 0., 0, "ONLY");
430 // First section: bellows below and behind front absorber
436 dl=(kZvac4-zstart)/2.;
439 par1[ 4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
440 par1[ 5] = zstart * TMath::Tan(kAccMin);
442 par1[ 6] = -dl-zstart+kZch11;
443 par1[ 7] = par1[4] + (dRear1 + 19.) * TMath::Tan(kThetaOpen1);
450 par1[12] = -dl-zstart+kZch12;
451 par1[13] = par1[10] + 36. * TMath::Tan(kThetaOpen1);
454 par1[15] = -dl+dRear1 + 50.7;
458 par1[18] = -dl+kZvac1-zstart;
459 par1[19] = par1[16] + (par1[18] - par1[15]) * TMath::Tan(kThetaOpen1);
460 par1[20] = (par1[18] +dl +zstart) * TMath::Tan(kAccMin);
462 par1[21] = -dl+kZvac1-zstart;
463 par1[22] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
464 par1[23] = (par1[21] +dl +zstart) * TMath::Tan(kAccMin);
467 par1[24] = par1[21]+kDr11/10.;
468 par1[25] = par1[22]+kDr11;
469 par1[26] = (par1[24] +dl +zstart) * TMath::Tan(kAccMin);
471 par1[27] = -dl+(kZvac1+kDr11/10.+kDB1-zstart);
473 par1[29] = (par1[27] +dl +zstart) * TMath::Tan(kAccMin);
475 par1[30] = par1[27]+kDr12;
476 par1[31] = par1[28]+kDr12;
477 par1[32] = (par1[30] +dl +zstart) * TMath::Tan(kAccMin);
479 par1[33] = par1[30]+kDF1;
481 par1[35] = (par1[33] +dl +zstart) * TMath::Tan(kAccMin);
483 par1[36] = par1[33]+kDr12;
484 par1[37] = par1[34]-kDr12;
485 par1[38] = (par1[36] +dl +zstart) * TMath::Tan(kAccMin);
487 par1[39] = par1[36]+kDB1;
489 par1[41] = (par1[39] +dl +zstart) * TMath::Tan(kAccMin);
491 par1[42] = par1[39]+kDr13;
492 par1[43] = par1[40]-kDr13;
493 par1[44] = (par1[42] +dl +zstart) * TMath::Tan(kAccMin);
495 par1[45] = -dl+kZvac4-zstart;
497 par1[47] = (par1[45] +dl +zstart) * TMath::Tan(kAccMin);
499 Float_t r2 = par1[46];
500 Float_t rBox= par1[46]-0.1;
502 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW+40], par1, 48);
504 for (i=0; i<48; i++) pars1[i] = par1[i];
505 for (i=4; i<47; i+=3) pars1[i] = 0.;
507 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 48);
508 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
510 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
516 tpar[2]=(kZvac4-kZvac41)/2.;
517 gMC->Gsvolu("YSE1", "TUBE", idtmed[kSteel], tpar, 3);
519 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
524 tpar[2]=(kZvac41-zstart-dRear1)/2.;
525 gMC->Gsvolu("YSE2", "TUBE", idtmed[kSteel], tpar, 3);
526 dz=dl-tpar[2]-(kZvac4-kZvac41);
527 gMC->Gspos("YSE2", 1, "YGO1", 0., 0., dz, 0, "ONLY");
530 // 1st section: vacuum system
538 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
541 tpar[0]=kRB1+kHB1-kEB1;
543 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
544 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
550 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
557 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
560 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
563 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
566 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
569 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
572 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
576 tpar[1]=kRB1+kHB1+0.5;
578 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
579 Float_t bsize = tpar[2];
581 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
582 gMC->Gspos("YBI1", 2, "YBM1", 0., 0., 0., 0, "ONLY");
586 for (i=0; i<12; i++) {
587 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
591 dz=-dl+(kZvac1-zstart)+kDr11/10.+bsize;
592 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
602 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
607 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
612 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
615 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
616 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
617 dz=-dl+(kZvac3-zstart)-2.*kDr13-tpar[2];
618 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
621 // pipe between flange and bellows
624 tpar[0] = kRB1-dTubeS;
626 tpar[2] = (kZvac3-kZvac1-2.*kDr13-kDr11/10.-kDF1-2.*bsize)/2.;
627 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
631 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
632 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
633 dz=-dl+(kZvac1-zstart)+kDr11/10.+2.*bsize+tpar[2];
634 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
637 // Pipe+Heating 1.5 mm
638 // Heating Jacket 5.0 mm
640 // ========================
642 // pipe and heating jackets outside bellows
645 cpar0[0]=(kZvac1+kDr11/10.-zstart)/2;
646 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
647 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
648 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
649 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
650 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
655 cpar[1]=cpar0[1]+0.15;
656 cpar[2]=cpar0[1]+0.65;
657 cpar[3]=cpar0[3]+0.15;
658 cpar[4]=cpar0[3]+0.65;
659 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
660 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
662 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
668 cpar0[0] = (kZvac4-kZvac3+2.*kDr13)/2;
670 cpar0[2] = cpar0[1]+dVacuS;
671 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
672 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
673 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
674 Float_t r2V=cpar0[3];
678 cpar[1] = cpar0[1]+dTubeS;
679 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
680 cpar[3] = cpar0[3]+dTubeS;
681 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
682 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
683 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
686 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
691 // Between first and second bellow section
697 dl=(kZvac7-kZvac4)/2.;
707 par2[9] = -dl+(kZvac6-kZvac4);
708 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
711 par2[12] = -dl+(kZvac6-kZvac4);
713 par2[14] = kZvac6*TMath::Tan(kAccMin);
715 // Start of Pb section
716 par2[15] = -dl+(kZPb-kZvac4);
717 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
718 par2[17] = kZPb*TMath::Tan(kAccMin);
720 // end of cone following 2 deg line
721 par2[18] = -dl+(kZConeE-kZvac4);
722 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
725 par2[21] = -dl+(kZch31-kZvac4);
726 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
729 par2[24] = -dl+(kZch31-kZvac4);
730 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
733 par2[27] = -dl+(kZch32-kZvac4);
734 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
737 par2[30] = -dl+(kZch32-kZvac4);
738 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
741 par2[33] = -dl+(kZvac7-kZvac4);
742 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
745 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
754 Float_t dlPb=(kZvac7-kZPb)/2.;
757 parPb[ 4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
758 parPb[ 5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
760 parPb[ 6] = -dlPb+(kZConeE-kZPb);
761 parPb[ 7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
764 parPb[ 9] = -dlPb+(kZch32+4.-kZPb);
765 parPb[10] = r2+(kZch32+4.-kZvac4-10.) * TMath::Tan(kThetaOpen2);
768 parPb[12] = -dlPb+(kZch32+4.-kZPb);
769 parPb[13] = r2+(kZch32+4.-kZvac4-10.) * TMath::Tan(kThetaOpen2);
773 parPb[16] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
776 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb+40], parPb, 18);
777 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
779 // Concrete replacing Pb
782 Float_t zCC1 = 1066.;
783 Float_t zCC2 = 1188.;
788 Float_t dlCC=(zCC2-zCC1)/2.;
790 parCC[ 4] = r2+(zCC1-kZvac4-10.) * TMath::Tan(kThetaOpen2);
794 parCC[ 7] = r2+(zCC2-kZvac4-10.) * TMath::Tan(kThetaOpen2);
796 gMC->Gsvolu("YCO2", "PCON", idtmed[kSteel], parCC, 9);
797 // gMC->Gspos("YCO2", 1, "YXO2", 0., 0., dlPb-dlCC-(kZvac7-zCC2), 0, "ONLY");
803 parCC[ 4] = r2+(zCC1-kZvac4-10.) * TMath::Tan(kThetaOpen2);
804 parCC[ 5] = zCC1*TMath::Tan(kAccMin)-kDRSteel2;
807 parCC[ 7] = r2+(zCC2-kZvac4-10.) * TMath::Tan(kThetaOpen2);
810 gMC->Gsvolu("YCO1", "PCON", idtmed[kSteel], parCC, 9);
811 // gMC->Gspos("YCO1", 1, "YXO2", 0., 0., dlPb-dlCC-(kZvac7-zCC2), 0, "ONLY");
820 Float_t dlW=(kZPb-kZvac4)/2.;
824 parW[5] = kR21-kDRSteel2;
826 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
827 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
828 parW[8] = kR21-kDRSteel2;
830 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
831 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
832 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
835 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
836 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
838 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW+40], parW, 15);
839 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
841 for (i=4; i<35; i+=3) par2[i] = 0;
843 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
844 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
846 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
850 // 2nd section: vacuum system
852 cpar0[0]=(kZvac7-kZvac4)/2;
855 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
856 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
857 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
861 cpar[1]=cpar0[1]+dTubeS;
862 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
863 cpar[3]=cpar0[3]+dTubeS;
864 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
865 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
866 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
867 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
870 // Third Section: Bellows and Flange
875 dl=(kZvac9-kZvac7)/2.;
878 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
882 par3[7] = par3[4]+kDr21;
885 par3[9] = par3[6]+kDB2;
889 par3[12] = par3[9]+kDr22;
890 par3[13] = par3[10]+kDr22;
893 par3[15] = par3[12]+kDF2;
897 par3[18] = par3[15]+kDr22;
898 par3[19] = par3[16]-kDr22;
901 par3[21] = par3[18]+kDB2;
905 par3[24] = par3[21]+kDr23;
912 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
914 for (i=4; i<26; i+=3) par3[i] = 0;
916 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
917 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
924 // gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
925 // gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
927 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
931 // 3rd section: vacuum system
939 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
942 tpar[0]=kRB2+kHB2-kEB2;
944 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
945 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
951 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
958 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
961 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
964 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
967 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
970 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
973 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
979 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
982 for (i=0; i<7; i++) {
983 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
987 dz=-dl+kDr21+tpar[2];
988 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
991 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
999 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
1004 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
1005 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
1009 tpar[2]=kDFlange/2.;
1010 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
1011 dz=-kDF2/2.+tpar[2];
1012 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
1013 dz= kDF2/2.-tpar[2];
1014 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
1016 dz=kDr21/2.-kDr23/2.;
1017 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
1021 // pipe between flange and bellows
1022 tpar[0]=kRB2-dTubeS;
1024 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
1025 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
1026 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
1027 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
1028 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
1029 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
1034 // 4th section: rear shield and closing cone
1039 dl=(kZvac12-kZvac9)/2.;
1045 par4[6] = -dl+dHorZ;
1049 par4[9] = -dl+(kZvac10-kZvac9);
1050 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1054 par4[13] = par4[10];
1057 par4[15] = -dl+(kZvac11-kZvac9);
1058 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1061 par4[18] = par4[15];
1062 par4[19] = par4[16];
1065 par4[21] = -dl+(kZvac12-kZvac9);
1066 par4[22] = kRVacu+dVacuS;
1069 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
1072 for (i=4; i<23; i+=3) par4[i] = 0;
1074 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
1075 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
1080 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
1083 // Concrete replacing Pb
1091 dlCC=(zCC2-zCC1)/2.;
1093 parCC[ 4] = r3+(zCC1-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1097 parCC[ 7] = r3+(zCC2-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1100 gMC->Gsvolu("YCO4", "PCON", idtmed[kSteel], parCC, 9);
1101 // gMC->Gspos("YCO4", 1, "YGO4", 0., 0., dl-dlCC-(kZvac12-zCC2), 0, "ONLY");
1106 dlCC=(zCC2-zCC1)/2.;
1108 parCC[ 4] = r3+(zCC1-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1109 parCC[ 5] = kR41-kDRSteel2;
1112 parCC[ 7] = r3+(zCC2-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1113 parCC[ 8] = kR41-kDRSteel2;
1115 gMC->Gsvolu("YCO5", "PCON", idtmed[kSteel], parCC, 9);
1116 // gMC->Gspos("YCO5", 1, "YGO4", 0., 0., dl-dlCC-(kZvac12-zCC2), 0, "ONLY");
1119 // Closing concrete cone
1121 cpar[0]=(kZvac12-kZvac11)/2.;
1122 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1123 cpar[2] = cpar[1]+0.001;
1124 cpar[3] = kRVacu+dVacuS;
1126 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
1128 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1136 tpar[2]=(kZvac10-kZvac9)/2.;
1137 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
1139 // gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1142 tpar[0]=kR41-kDRSteel2;
1144 tpar[2]=(kZvac11-kZvac10)/2.;
1145 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb+40], tpar, 3);
1147 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1153 tpar[2]=(kZvac11-kZvac10)/2.;
1154 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
1156 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1158 tpar[2]=(zCC2-zCC1)/2.;
1159 gMC->Gsvolu("YCO6", "TUBE", idtmed[kSteel+40], tpar, 3);
1160 // gMC->Gspos("YCO6", 1, "YPBI", 0., 0., -(kZvac11-kZvac10)/2.+tpar[2], 0, "ONLY");
1165 tpar[2]=(kZvac11-kZvac10)/2.;
1166 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb+40], tpar, 3);
1167 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
1169 tpar[2]=(zCC2-zCC1)/2.;
1170 gMC->Gsvolu("YCO7", "TUBE", idtmed[kSteel], tpar, 3);
1171 // gMC->Gspos("YCO7", 1, "YPBO", 0., 0., -(kZvac11-kZvac10)/2.+tpar[2], 0, "ONLY");
1179 tpar[2]=(kZvac12-kZvac11)/2.;
1180 gMC->Gsvolu("YFEI", "TUBE", idtmed[kSteel+40], tpar, 3);
1182 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1187 gMC->Gsvolu("YFEO", "TUBE", idtmed[kSteel], tpar, 3);
1188 dz=-(kZvac12-kZvac11)/2.+tpar[2];
1189 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
1194 // 4th section: vacuum system
1196 // up to closing cone
1198 Float_t r3V=r3-kDr23+dVacuS-1.6;
1200 cpar0[0]=(kZvac11-kZvac9)/2;
1201 cpar0[1]=r3V-dVacuS;
1203 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1204 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1205 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
1209 cpar[1]=cpar0[1]+dTubeS;
1210 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1211 cpar[3]=cpar0[3]+dTubeS;
1212 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1213 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
1214 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1216 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1220 cpar0[0]=(kZvac12-kZvac11)/2;
1221 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1222 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1224 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
1225 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1229 cpar[1]=cpar0[1]+dTubeS;
1230 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1231 cpar[3]=cpar0[3]+dTubeS;
1232 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1233 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1234 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1237 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1239 ///////////////////////////////////
1241 // Drawing ALIP2A__0105 //
1242 ///////////////////////////////////
1243 TGeoBBox* shMuonFilterO1 = new TGeoBBox(550./2., 620./2., 120./2.);
1244 shMuonFilterO1->SetName("FilterO1");
1245 TGeoTube* shMuonFilterI1 = new TGeoTube(0., 50., 121./2.);
1246 shMuonFilterI1->SetName("FilterI1");
1247 TGeoCompositeShape* shMuonFilterM = new TGeoCompositeShape("YMuonFilterM", "FilterO1-FilterI1");
1248 TGeoVolume* voMuonFilterM = new TGeoVolume("YMuonFilterM", shMuonFilterM, gGeoManager->GetMedium("SHIL_ST_C0"));
1250 TGeoBBox* shMuonFilterO2 = new TGeoBBox(550./2., 620./2., 110./2.);
1251 shMuonFilterO2->SetName("FilterO2");
1252 TGeoTube* shMuonFilterI2 = new TGeoTube(0., 50., 111./2.);
1253 shMuonFilterI2->SetName("FilterI2");
1254 TGeoCompositeShape* shMuonFilterI = new TGeoCompositeShape("YMuonFilterI", "FilterO2-FilterI2");
1255 TGeoVolume* voMuonFilterI = new TGeoVolume("YMuonFilterI", shMuonFilterI, gGeoManager->GetMedium("SHIL_ST_C3"));
1256 voMuonFilterI->SetName("YMuonFilterI");
1257 voMuonFilterM->AddNode(voMuonFilterI, 1, new TGeoTranslation(0., 0., 0.));
1259 dz = (kZFilterIn + kZFilterOut) / 2.;
1260 gMC->Gspos("YMuonFilterM", 1, "YOUT2", 0., 0., - dz, 0, "ONLY");
1266 dl = (kZvac10-kZch32)/2.;
1275 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1278 par0[ 6] = -dz + kZch41;
1280 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1282 par0[ 9] = -dz + kZch41;
1286 par0[12] = -dz + kZch42;
1288 par0[14] = par0[11];
1290 par0[15] = -dz + kZch42;
1292 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1295 par0[18] = -dz + kZch51;
1297 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1299 par0[21] = -dz + kZch51;
1301 par0[23] = 36.9; // recess erice2000
1303 par0[24] = -dz + kZch52;
1305 par0[26] = par0[23];
1307 par0[27] = -dz + kZch52;
1309 par0[29] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1313 par0[32] = par0[29];
1315 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb+40], par0, 33);
1316 Float_t dzs = -kzLength + (kZch32-zstart) + dl;
1317 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dzs, 0, "ONLY");
1327 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1328 par0[ 4] = par0[ 5] - 4.;
1332 par0[ 6] = -dz + kZch41 - 4.;
1333 par0[ 8] = 30.+(kZch41-4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1334 par0[ 7] = par0[ 8] -4.;
1336 par0[ 9] = -dz + kZch41 - 4.;
1340 par0[12] = -dz + kZch41;
1341 par0[14] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1344 par0[15] = -dz + kZch41;
1350 par0[18] = -dz + kZch51;
1354 par0[21] = -dz + kZch52;
1358 par0[24] = -dz + kZch52;
1359 par0[26] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1362 par0[27] = -dz + kZch52 + 4.;
1363 par0[29] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1366 par0[30] = -dz + kZch52 + 4.;
1367 par0[32] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1368 par0[31] = par0[32] - 4.;
1371 par0[35] = par0[32];
1372 par0[34] = par0[31];
1374 gMC->Gsvolu("YOSE", "PCON", idtmed[kSteel], par0, 36);
1375 gMC->Gspos ("YOSE", 1, "YOPB", 0., 0., 0., 0, "ONLY");
1377 // Extra Tungsten shield close to stations 1 and 2
1379 TGeoRotation* rot000 = new TGeoRotation("rot000", 90., 0., 90., 90., 0., 0.);
1380 TGeoRotation* rot090 = new TGeoRotation("rot090", 90., 90., 90., 180., 0., 0.);
1381 TGeoRotation* rot180 = new TGeoRotation("rot180", 90., 180., 90., 270., 0., 0.);
1382 TGeoRotation* rot270 = new TGeoRotation("rot270", 90., 270., 90., 0., 0., 0.);
1383 TGeoVolume* mother = gGeoManager->GetVolume("YMOT");
1384 TGeoVolumeAssembly* assembly = new TGeoVolumeAssembly("YASS");
1385 assembly->AddNode(mother, 1, new TGeoTranslation(0., 0., 0.));
1386 TGeoVolumeAssembly* extraShield1 = new TGeoVolumeAssembly("YCRE");
1387 TGeoVolumeAssembly* extraShield2 = new TGeoVolumeAssembly("YCRF");
1389 ///////////////////////////////////
1391 // Recess Station 1 //
1393 ///////////////////////////////////
1396 ///////////////////////////////////
1398 // Drawing ALIP2A__0220 //
1399 ///////////////////////////////////
1400 Float_t faWring2Rinner = 15.40;
1401 Float_t faWring2Router = 18.40;
1402 Float_t faWring2HWidth = 3.75;
1403 Float_t faWring2Cutoffx = 3.35;
1404 Float_t faWring2Cutoffy = 3.35;
1405 TGeoTubeSeg* shFaWring2a = new TGeoTubeSeg(faWring2Rinner, faWring2Router, faWring2HWidth, 0., 90.);
1406 shFaWring2a->SetName("shFaWring2a");
1407 TGeoBBox* shFaWring2b = new TGeoBBox(faWring2Router / 2., faWring2Router / 2., faWring2HWidth);
1408 shFaWring2b->SetName("shFaWring2b");
1409 TGeoTranslation* trFaWring2b
1410 = new TGeoTranslation("trFaWring2b", faWring2Router / 2. + faWring2Cutoffx, faWring2Router / 2. + faWring2Cutoffy, 0.);
1411 trFaWring2b->RegisterYourself();
1412 TGeoCompositeShape* shFaWring2 = new TGeoCompositeShape("shFaWring2", "(shFaWring2a)*(shFaWring2b:trFaWring2b)");
1413 TGeoVolume* voFaWring2 = new TGeoVolume("FA_WRING2", shFaWring2, gGeoManager->GetMedium("SHIL_Ni/W3"));
1415 ///////////////////////////////////
1417 // Drawing ALIP2A__0219 //
1418 ///////////////////////////////////
1419 Float_t faWring3Rinner = 15.40;
1420 Float_t faWring3Router = 18.40;
1421 Float_t faWring3HWidth = 3.75;
1422 Float_t faWring3Cutoffx = 3.35;
1423 Float_t faWring3Cutoffy = 3.35;
1424 TGeoTubeSeg* shFaWring3a = new TGeoTubeSeg(faWring3Rinner, faWring3Router, faWring3HWidth, 0., 90.);
1425 shFaWring3a->SetName("shFaWring3a");
1426 TGeoBBox* shFaWring3b = new TGeoBBox(faWring3Router / 2., faWring3Router / 2., faWring3HWidth);
1427 shFaWring3b->SetName("shFaWring3b");
1428 TGeoTranslation* trFaWring3b
1429 = new TGeoTranslation("trFaWring3b", faWring3Router / 2. + faWring3Cutoffx, faWring3Router / 2. + faWring3Cutoffy, 0.);
1430 trFaWring3b->RegisterYourself();
1431 TGeoCompositeShape* shFaWring3 = new TGeoCompositeShape("shFaWring3", "(shFaWring3a)*(shFaWring3b:trFaWring3b)");
1432 TGeoVolume* voFaWring3 = new TGeoVolume("FA_WRING3", shFaWring3, gGeoManager->GetMedium("SHIL_Ni/W3"));
1434 ///////////////////////////////////
1436 // Drawing ALIP2A__0221 //
1437 ///////////////////////////////////
1438 Float_t faWring5Rinner = 15.40;
1439 Float_t faWring5Router = 18.67;
1440 Float_t faWring5HWidth = 1.08;
1441 TGeoVolume* voFaWring5 = new TGeoVolume("FA_WRING5",
1442 new TGeoTube(faWring5Rinner, faWring5Router, faWring5HWidth),
1443 gGeoManager->GetMedium("SHIL_Ni/W3"));
1446 // Position the rings in the assembly
1448 // Distance between rings
1449 Float_t faDWrings = 1.92;
1451 dz = - (4. * faWring2HWidth + 4. * faWring3HWidth + 2. * faWring5HWidth + 2. * faDWrings) / 2.;
1452 dz += faWring2HWidth;
1453 extraShield1->AddNode(voFaWring2, 1, new TGeoCombiTrans(0., 0., dz, rot090));
1454 extraShield1->AddNode(voFaWring2, 2, new TGeoCombiTrans(0., 0., dz, rot270));
1455 dz += faWring2HWidth; dz += faDWrings;
1456 dz += faWring3HWidth;
1457 extraShield1->AddNode(voFaWring3, 1, new TGeoCombiTrans(0., 0., dz, rot000));
1458 extraShield1->AddNode(voFaWring3, 2, new TGeoCombiTrans(0., 0., dz, rot180));
1459 dz += faWring3HWidth;
1460 dz += faWring5HWidth;
1461 extraShield1->AddNode(voFaWring5, 1, new TGeoTranslation(0., 0., dz));
1462 dz += faWring5HWidth;
1463 dz += faWring3HWidth;
1464 extraShield1->AddNode(voFaWring3, 3, new TGeoCombiTrans(0., 0., dz, rot090));
1465 extraShield1->AddNode(voFaWring3, 4, new TGeoCombiTrans(0., 0., dz, rot270));
1466 dz += faWring3HWidth;
1468 dz += faWring2HWidth;
1469 extraShield1->AddNode(voFaWring2, 3, new TGeoCombiTrans(0., 0., dz, rot000));
1470 extraShield1->AddNode(voFaWring2, 4, new TGeoCombiTrans(0., 0., dz, rot180));
1471 dz += faWring2HWidth;
1473 // assembly->AddNode(extraShield1, 1, new TGeoTranslation(0., 0., -kzLength + 49.7 + dz));
1474 Float_t dzKeep = dz;
1477 ///////////////////////////////////
1479 // Recess Station 2 //
1481 ///////////////////////////////////
1483 ///////////////////////////////////
1485 // Drawing ALIP2A__0217 //
1486 ///////////////////////////////////
1487 Float_t saa1Wring1Width = 5.85;
1488 TGeoPcon* shSaa1Wring1 = new TGeoPcon(0., 360., 2);
1489 shSaa1Wring1->DefineSection(0, 0.00 , 20.30, 23.175);
1490 shSaa1Wring1->DefineSection(1, saa1Wring1Width, 20.30, 23.400);
1491 TGeoVolume* voSaa1Wring1 = new TGeoVolume("SAA1_WRING1", shSaa1Wring1, gGeoManager->GetMedium("SHIL_Ni/W3"));
1493 ///////////////////////////////////
1495 // Drawing ALIP2A__0055 //
1496 ///////////////////////////////////
1497 Float_t saa1Wring2Rinner = 20.30;
1498 Float_t saa1Wring2Router = 23.40;
1499 Float_t saa1Wring2HWidth = 3.75;
1500 Float_t saa1Wring2Cutoffx = 4.45;
1501 Float_t saa1Wring2Cutoffy = 4.45;
1502 TGeoTubeSeg* shSaa1Wring2a = new TGeoTubeSeg(saa1Wring2Rinner, saa1Wring2Router, saa1Wring2HWidth, 0., 90.);
1503 shSaa1Wring2a->SetName("shSaa1Wring2a");
1504 TGeoBBox* shSaa1Wring2b = new TGeoBBox(saa1Wring2Router / 2., saa1Wring2Router / 2., saa1Wring2HWidth);
1505 shSaa1Wring2b->SetName("shSaa1Wring2b");
1506 TGeoTranslation* trSaa1Wring2b
1507 = new TGeoTranslation("trSaa1Wring2b", saa1Wring2Router / 2. + saa1Wring2Cutoffx, saa1Wring2Router / 2. + saa1Wring2Cutoffy, 0.);
1508 trSaa1Wring2b->RegisterYourself();
1509 TGeoCompositeShape* shSaa1Wring2 = new TGeoCompositeShape("shSaa1Wring2", "(shSaa1Wring2a)*(shSaa1Wring2b:trSaa1Wring2b)");
1510 TGeoVolume* voSaa1Wring2 = new TGeoVolume("SAA1_WRING2", shSaa1Wring2, gGeoManager->GetMedium("SHIL_Ni/W3"));
1512 ///////////////////////////////////
1514 // Drawing ALIP2A__0216 //
1515 ///////////////////////////////////
1517 Float_t saa1Wring3Rinner = 20.30;
1518 Float_t saa1Wring3Router = 23.40;
1519 Float_t saa1Wring3HWidth = 3.75;
1520 Float_t saa1Wring3Cutoffx = 4.50;
1521 Float_t saa1Wring3Cutoffy = 4.40;
1522 TGeoTubeSeg* shSaa1Wring3a = new TGeoTubeSeg(saa1Wring3Rinner, saa1Wring3Router, saa1Wring3HWidth, 0., 90.);
1523 shSaa1Wring3a->SetName("shSaa1Wring3a");
1524 TGeoBBox* shSaa1Wring3b = new TGeoBBox(saa1Wring3Router / 2., saa1Wring3Router / 2., saa1Wring3HWidth);
1525 shSaa1Wring3b->SetName("shSaa1Wring3b");
1526 TGeoTranslation* trSaa1Wring3b
1527 = new TGeoTranslation("trSaa1Wring3b", saa1Wring3Router / 2. + saa1Wring3Cutoffx, saa1Wring3Router / 2. + saa1Wring3Cutoffy, 0.);
1528 trSaa1Wring3b->RegisterYourself();
1529 TGeoCompositeShape* shSaa1Wring3 = new TGeoCompositeShape("shSaa1Wring3", "(shSaa1Wring3a)*(shSaa1Wring3b:trSaa1Wring3b)");
1530 TGeoVolume* voSaa1Wring3 = new TGeoVolume("SAA1_WRING3", shSaa1Wring3, gGeoManager->GetMedium("SHIL_Ni/W3"));
1532 ///////////////////////////////////
1534 // Drawing ALIP2A__0215 //
1535 ///////////////////////////////////
1536 Float_t saa1Wring4Width = 5.85;
1537 TGeoPcon* shSaa1Wring4 = new TGeoPcon(0., 360., 5);
1538 shSaa1Wring4->DefineSection(0, 0.00, 20.30, 23.40);
1539 shSaa1Wring4->DefineSection(1, 1.00, 20.30, 23.40);
1540 shSaa1Wring4->DefineSection(2, 1.00, 20.30, 24.50);
1541 shSaa1Wring4->DefineSection(3, 4.85, 20.30, 24.80);
1542 shSaa1Wring4->DefineSection(4, 5.85, 24.10, 24.80);
1543 TGeoVolume* voSaa1Wring4 = new TGeoVolume("SAA1_WRING4", shSaa1Wring4, gGeoManager->GetMedium("SHIL_Ni/W3"));
1545 ///////////////////////////////////
1547 // Drawing ALIP2A__0218 //
1548 ///////////////////////////////////
1549 Float_t saa1Wring5Rinner = 20.30;
1550 Float_t saa1Wring5Router = 23.40;
1551 Float_t saa1Wring5HWidth = 0.85;
1552 TGeoVolume* voSaa1Wring5 = new TGeoVolume("SAA1_WRING5",
1553 new TGeoTube(saa1Wring5Rinner, saa1Wring5Router, saa1Wring5HWidth),
1554 gGeoManager->GetMedium("SHIL_Ni/W3"));
1556 // Position the rings in the assembly
1558 // Distance between rings
1559 Float_t saa1DWrings = 2.6;
1561 dz = - (saa1Wring1Width + 6. * saa1Wring2HWidth + 2. * saa1Wring3HWidth + saa1Wring4Width + 2. * saa1Wring5HWidth + 2. * saa1DWrings) / 2.;
1562 extraShield2->AddNode(voSaa1Wring1, 1, new TGeoTranslation(0., 0., dz));
1563 dz += saa1Wring1Width;
1564 dz += saa1Wring2HWidth;
1565 extraShield2->AddNode(voSaa1Wring2, 1, new TGeoCombiTrans(0., 0., dz, rot000));
1566 extraShield2->AddNode(voSaa1Wring2, 2, new TGeoCombiTrans(0., 0., dz, rot180));
1567 dz += saa1Wring2HWidth;
1569 dz += saa1Wring2HWidth;
1570 extraShield2->AddNode(voSaa1Wring2, 3, new TGeoCombiTrans(0., 0., dz, rot090));
1571 extraShield2->AddNode(voSaa1Wring2, 4, new TGeoCombiTrans(0., 0., dz, rot270));
1572 dz += saa1Wring2HWidth;
1573 dz += saa1Wring5HWidth;
1574 extraShield2->AddNode(voSaa1Wring5, 1, new TGeoTranslation(0., 0., dz));
1575 dz += saa1Wring5HWidth;
1576 dz += saa1Wring2HWidth;
1577 extraShield2->AddNode(voSaa1Wring2, 5, new TGeoCombiTrans(0., 0., dz, rot000));
1578 extraShield2->AddNode(voSaa1Wring2, 6, new TGeoCombiTrans(0., 0., dz, rot180));
1579 dz += saa1Wring2HWidth;
1581 dz += saa1Wring3HWidth;
1582 extraShield2->AddNode(voSaa1Wring3, 1, new TGeoCombiTrans(0., 0., dz, rot090));
1583 extraShield2->AddNode(voSaa1Wring3, 2, new TGeoCombiTrans(0., 0., dz, rot270));
1584 dz += saa1Wring3HWidth;
1585 extraShield2->AddNode(voSaa1Wring4, 1, new TGeoTranslation(0., 0., dz));
1586 dz += saa1Wring4Width;
1587 //assembly->AddNode(extraShield2, 1, new TGeoTranslation(0., 0., -kzLength + (kZch21 - zstart) + dz));
1589 TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
1590 TGeoVolume* yout1 = gGeoManager->GetVolume("YOUT1");
1591 yout1->AddNode(extraShield1, 1, new TGeoCombiTrans(0., 0., -zstart - ( 49.7 + dzKeep), rotxz));
1592 yout1->AddNode(extraShield2, 1, new TGeoCombiTrans(0., 0., -zstart - (kZch21 - zstart + dz ), rotxz));
1594 TGeoVolume* top = gGeoManager->GetVolume("ALIC");
1595 top->AddNode(assembly, 1, new TGeoCombiTrans(0., 0., -zstart - kzLength, rotxz));
1599 void AliSHILv2::Init()
1602 // Initialise the muon shield after it has been built
1606 if(AliLog::GetGlobalDebugLevel()>0) {
1607 printf("\n%s: ",ClassName());
1608 for(i=0;i<35;i++) printf("*");
1609 printf(" SHILv2_INIT ");
1610 for(i=0;i<35;i++) printf("*");
1611 printf("\n%s: ",ClassName());
1613 // Here the SHIL initialisation code (if any!)
1614 for(i=0;i<80;i++) printf("*");