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"
41 //_____________________________________________________________________________
42 AliSHILv2::AliSHILv2()
45 // Default constructor for muon shield
49 //_____________________________________________________________________________
50 AliSHILv2::AliSHILv2(const char *name, const char *title)
54 // Standard constructor for muon shield
59 // Pb cone not yet compatible with muon chamber inner radii
60 // Switched off by default
65 //_____________________________________________________________________________
66 void AliSHILv2::CreateGeometry()
69 // Build muon shield geometry
74 <img src="picts/AliSHILv2.gif">
79 <img src="picts/AliSHILv2Tree.gif">
83 Float_t cpar[5], cpar0[5], tpar[3], par1[100], pars1[100], par2[100], par3[100],
87 Int_t *idtmed = fIdtmed->GetArray()-1699;
91 #include "ABSOSHILConst.h"
92 #include "SHILConst2.h"
94 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
95 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
96 kPolyCH2=1717, kSteel=1718, kInsulation=1713, kAirMuon = 1774};
100 // Material of the rear part of the shield
101 Int_t iHeavy = kNiCuW;
102 if (fPbCone) iHeavy=kPb;
106 Float_t dRear1=kDRear;
108 Float_t zstart=kZRear-dRear1;
114 Float_t dl=(kZvac12-zstart)/2.;
115 const Float_t kzLength = dl;
122 par0[5] = zstart * TMath::Tan(kAccMin);
124 par0[6] = -dl - zstart + kZch11;
132 par0[12] = -dl - zstart + kZch12;
140 par0[18] = -dz+kZch21;
142 par0[20] = kZch21 * TMath::Tan(kAccMin);
144 par0[21] = -dz+kZch21;
148 par0[24] = -dz+kZch22;
152 par0[27] = -dz+kZch22;
154 par0[29] = kZch22 * TMath::Tan(kAccMin);
156 par0[30] = -dz+kZvac6;
158 par0[32] = kZvac6 * TMath::Tan(kAccMin);
160 par0[33] = -dz+kZConeE;
164 par0[36] = -dz+kZch31;
168 par0[39] = -dz+kZch31;
172 par0[42] = -dz+kZch32;
175 // start of 1.6 deg cone
176 par0[45] = -dz+kZch32;
178 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
180 par0[48] = -dz+kZch41;
182 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
184 par0[51] = -dz+kZch41;
188 par0[54] = -dz+kZch42;
192 par0[57] = -dz+kZch42;
194 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
198 par0[60] = -dz+kZch51;
200 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
202 par0[63] = -dz+kZch51;
206 par0[66] = -dz+kZch52;
210 par0[69] = -dz+kZch52;
212 par0[71] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
216 par0[72] = -dz+kZvac10;
220 par0[75] = -dz+kZvac10;
224 par0[78] = -dz+kZvac11;
228 par0[81] = -dz+kZvac11;
232 par0[84] = -dz+kZvac12;
236 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
238 AliMatrix(idrotm[1705], 270., 0., 90., 90., 180., 0.);
243 // Dimuon arm mother volumes (YOUT1, YOUT2)
247 Float_t z01 = -724.45;
248 // Float_t z02 = -814.30;
249 Float_t z05 = -1235.55;
254 Float_t zpos = -zstart - kzLength;
255 Float_t shift_after_absorber = 35;
256 Float_t delta = 1e-06;
262 //Float_t rst6 = 430.;
265 // Float_t zstart2 = zpos + zstart;
273 // par0[3] = zpos - ( -dl );
274 // start only after absorber
276 par0[3] = zpos - ( -dl + shift_after_absorber ) + delta;
277 par0[4] = ( zstart + shift_after_absorber ) * TMath::Tan(kAccMin) + delta;
282 par0[6] = zpos - ( -dl - zstart + kZch11 + delta );
283 par0[7] = 18.2 + delta;
288 par0[10] = kR11 + delta;
292 par0[12] = zpos - ( -dl - zstart + kZch12 - delta );
293 par0[13] = kR11 + delta;
298 par0[16] = 19.5 + delta;
303 par0[18] = zpos - ( -dz+kZch21 + delta );
304 par0[19] = kZch21 * TMath::Tan(kAccMin) + delta;
309 par0[22] = kR21 + delta;
313 par0[24] = zpos - ( -dz+kZch22 - delta );
314 par0[25] = kR21 + delta;
319 par0[28] = kZch22 * TMath::Tan(kAccMin) + delta;
323 par0[30] = zpos - ( -dz+kZvac6 );
324 par0[31] = kZvac6 * TMath::Tan(kAccMin) + delta;
327 Float_t nextZ = zpos - ( -dz+kZConeE );
328 Float_t nextRin = 30. + delta;
329 Float_t nextRout = rst3;
330 Float_t tgin = ( nextRin - par0[31]) / (nextZ - par0[30]);
331 Float_t tgout = ( nextRout - par0[32])/ (nextZ - par0[30]);
335 par0[34] = par0[31] + (z01 - par0[30]) * tgin;
336 par0[35] = par0[32] + (z01 - par0[30]) * tgout;
338 gMC->Gsvolu("YOUT1", "PCON", idtmed[kAirMuon], par0, 36);
339 gMC->Gspos("YOUT1", 1, "ALIC", 0., 0., 0., 0, "ONLY");
352 par0[4] = nextRout - (z05 - nextZ) * TMath::Tan(kThetaOpenPbO) + delta ;
357 par0[6] = zpos - ( -dz+kZch41 + delta );
358 par0[7] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
363 par0[10] = 36.9 + delta;
367 par0[12] = zpos - ( -dz+kZch42 - delta );
368 par0[13] = 36.9 + delta;
373 par0[16] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
379 par0[18] = zpos - ( -dz+kZch51 + delta );
380 par0[19] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
385 par0[22] = 36.9 + delta;
389 par0[24] = zpos - ( -dz+kZch52 - delta );
390 par0[25] = 36.9 + delta;
395 par0[28] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO) + delta;
401 par0[30] = zpos - ( -dz+kZvac10 - delta );
407 par0[34] = kR42 + delta;
411 par0[36] = zpos - ( -dz+kZvac11 - delta );
412 par0[37] = kR42 + delta;
417 par0[40] = kR43 + delta;
421 par0[42] = zpos - ( -dz+kZvac12 );
422 par0[43] = kR43 + delta;
425 gMC->Gsvolu("YOUT2", "PCON", idtmed[kAirMuon], par0, 45);
426 gMC->Gspos("YOUT2", 1, "ALIC", 0., 0., 0., 0, "ONLY");
429 // First section: bellows below and behind front absorber
435 dl=(kZvac4-zstart)/2.;
438 par1[ 4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
439 par1[ 5] = zstart * TMath::Tan(kAccMin);
441 par1[ 6] = -dl-zstart+kZch11;
442 par1[ 7] = par1[4] + (dRear1 + 19.) * TMath::Tan(kThetaOpen1);
449 par1[12] = -dl-zstart+kZch12;
450 par1[13] = par1[10] + 36. * TMath::Tan(kThetaOpen1);
453 par1[15] = -dl+dRear1 + 50.7;
457 par1[18] = -dl+kZvac1-zstart;
458 par1[19] = par1[16] + (par1[18] - par1[15]) * TMath::Tan(kThetaOpen1);
459 par1[20] = (par1[18] +dl +zstart) * TMath::Tan(kAccMin);
461 par1[21] = -dl+kZvac1-zstart;
462 par1[22] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
463 par1[23] = (par1[21] +dl +zstart) * TMath::Tan(kAccMin);
466 par1[24] = par1[21]+kDr11/10.;
467 par1[25] = par1[22]+kDr11;
468 par1[26] = (par1[24] +dl +zstart) * TMath::Tan(kAccMin);
470 par1[27] = -dl+(kZvac1+kDr11/10.+kDB1-zstart);
472 par1[29] = (par1[27] +dl +zstart) * TMath::Tan(kAccMin);
474 par1[30] = par1[27]+kDr12;
475 par1[31] = par1[28]+kDr12;
476 par1[32] = (par1[30] +dl +zstart) * TMath::Tan(kAccMin);
478 par1[33] = par1[30]+kDF1;
480 par1[35] = (par1[33] +dl +zstart) * TMath::Tan(kAccMin);
482 par1[36] = par1[33]+kDr12;
483 par1[37] = par1[34]-kDr12;
484 par1[38] = (par1[36] +dl +zstart) * TMath::Tan(kAccMin);
486 par1[39] = par1[36]+kDB1;
488 par1[41] = (par1[39] +dl +zstart) * TMath::Tan(kAccMin);
490 par1[42] = par1[39]+kDr13;
491 par1[43] = par1[40]-kDr13;
492 par1[44] = (par1[42] +dl +zstart) * TMath::Tan(kAccMin);
494 par1[45] = -dl+kZvac4-zstart;
496 par1[47] = (par1[45] +dl +zstart) * TMath::Tan(kAccMin);
498 Float_t r2 = par1[46];
499 Float_t rBox= par1[46]-0.1;
501 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW+40], par1, 48);
503 for (i=0; i<48; i++) pars1[i] = par1[i];
504 for (i=4; i<47; i+=3) pars1[i] = 0.;
506 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 48);
507 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
509 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
515 tpar[2]=(kZvac4-kZvac41)/2.;
516 gMC->Gsvolu("YSE1", "TUBE", idtmed[kSteel], tpar, 3);
518 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
523 tpar[2]=(kZvac41-zstart-dRear1)/2.;
524 gMC->Gsvolu("YSE2", "TUBE", idtmed[kSteel], tpar, 3);
525 dz=dl-tpar[2]-(kZvac4-kZvac41);
526 gMC->Gspos("YSE2", 1, "YGO1", 0., 0., dz, 0, "ONLY");
529 // 1st section: vacuum system
537 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
540 tpar[0]=kRB1+kHB1-kEB1;
542 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
543 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
549 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
556 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
559 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
562 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
565 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
568 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
571 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
575 tpar[1]=kRB1+kHB1+0.5;
577 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
578 Float_t bsize = tpar[2];
580 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
581 gMC->Gspos("YBI1", 2, "YBM1", 0., 0., 0., 0, "ONLY");
585 for (i=0; i<12; i++) {
586 gMC->Gspos("YBU1", i+1 , "YBM1", 0., 0., dz, 0, "ONLY");
590 dz=-dl+(kZvac1-zstart)+kDr11/10.+bsize;
591 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
601 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
606 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
611 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
614 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
615 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
616 dz=-dl+(kZvac3-zstart)-2.*kDr13-tpar[2];
617 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
620 // pipe between flange and bellows
623 tpar[0] = kRB1-dTubeS;
625 tpar[2] = (kZvac3-kZvac1-2.*kDr13-kDr11/10.-kDF1-2.*bsize)/2.;
626 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
630 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
631 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
632 dz=-dl+(kZvac1-zstart)+kDr11/10.+2.*bsize+tpar[2];
633 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
636 // Pipe+Heating 1.5 mm
637 // Heating Jacket 5.0 mm
639 // ========================
641 // pipe and heating jackets outside bellows
644 cpar0[0]=(kZvac1+kDr11/10.-zstart)/2;
645 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
646 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
647 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
648 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
649 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
654 cpar[1]=cpar0[1]+0.15;
655 cpar[2]=cpar0[1]+0.65;
656 cpar[3]=cpar0[3]+0.15;
657 cpar[4]=cpar0[3]+0.65;
658 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
659 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
661 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
667 cpar0[0] = (kZvac4-kZvac3+2.*kDr13)/2;
669 cpar0[2] = cpar0[1]+dVacuS;
670 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
671 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
672 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
673 Float_t r2V=cpar0[3];
677 cpar[1] = cpar0[1]+dTubeS;
678 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
679 cpar[3] = cpar0[3]+dTubeS;
680 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
681 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
682 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
685 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
690 // Between first and second bellow section
696 dl=(kZvac7-kZvac4)/2.;
706 par2[9] = -dl+(kZvac6-kZvac4);
707 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
710 par2[12] = -dl+(kZvac6-kZvac4);
712 par2[14] = kZvac6*TMath::Tan(kAccMin);
714 // Start of Pb section
715 par2[15] = -dl+(kZPb-kZvac4);
716 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
717 par2[17] = kZPb*TMath::Tan(kAccMin);
719 // end of cone following 2 deg line
720 par2[18] = -dl+(kZConeE-kZvac4);
721 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
724 par2[21] = -dl+(kZch31-kZvac4);
725 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
728 par2[24] = -dl+(kZch31-kZvac4);
729 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
732 par2[27] = -dl+(kZch32-kZvac4);
733 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
736 par2[30] = -dl+(kZch32-kZvac4);
737 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
740 par2[33] = -dl+(kZvac7-kZvac4);
741 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
744 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
753 Float_t dlPb=(kZvac7-kZPb)/2.;
756 parPb[ 4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
757 parPb[ 5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
759 parPb[ 6] = -dlPb+(kZConeE-kZPb);
760 parPb[ 7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
763 parPb[ 9] = -dlPb+(kZch32+4.-kZPb);
764 parPb[10] = r2+(kZch32+4.-kZvac4-10.) * TMath::Tan(kThetaOpen2);
767 parPb[12] = -dlPb+(kZch32+4.-kZPb);
768 parPb[13] = r2+(kZch32+4.-kZvac4-10.) * TMath::Tan(kThetaOpen2);
772 parPb[16] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
775 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb+40], parPb, 18);
776 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
778 // Concrete replacing Pb
781 Float_t zCC1 = 1066.;
782 Float_t zCC2 = 1188.;
787 Float_t dlCC=(zCC2-zCC1)/2.;
789 parCC[ 4] = r2+(zCC1-kZvac4-10.) * TMath::Tan(kThetaOpen2);
793 parCC[ 7] = r2+(zCC2-kZvac4-10.) * TMath::Tan(kThetaOpen2);
795 gMC->Gsvolu("YCO2", "PCON", idtmed[kSteel], parCC, 9);
796 // gMC->Gspos("YCO2", 1, "YXO2", 0., 0., dlPb-dlCC-(kZvac7-zCC2), 0, "ONLY");
802 parCC[ 4] = r2+(zCC1-kZvac4-10.) * TMath::Tan(kThetaOpen2);
803 parCC[ 5] = zCC1*TMath::Tan(kAccMin)-kDRSteel2;
806 parCC[ 7] = r2+(zCC2-kZvac4-10.) * TMath::Tan(kThetaOpen2);
809 gMC->Gsvolu("YCO1", "PCON", idtmed[kSteel], parCC, 9);
810 // gMC->Gspos("YCO1", 1, "YXO2", 0., 0., dlPb-dlCC-(kZvac7-zCC2), 0, "ONLY");
819 Float_t dlW=(kZPb-kZvac4)/2.;
823 parW[5] = kR21-kDRSteel2;
825 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
826 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
827 parW[8] = kR21-kDRSteel2;
829 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
830 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
831 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
834 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
835 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
837 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW+40], parW, 15);
838 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
840 for (i=4; i<35; i+=3) par2[i] = 0;
842 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
843 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
845 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
849 // 2nd section: vacuum system
851 cpar0[0]=(kZvac7-kZvac4)/2;
854 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
855 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
856 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
860 cpar[1]=cpar0[1]+dTubeS;
861 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
862 cpar[3]=cpar0[3]+dTubeS;
863 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
864 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
865 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
866 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
869 // Third Section: Bellows and Flange
874 dl=(kZvac9-kZvac7)/2.;
877 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
881 par3[7] = par3[4]+kDr21;
884 par3[9] = par3[6]+kDB2;
888 par3[12] = par3[9]+kDr22;
889 par3[13] = par3[10]+kDr22;
892 par3[15] = par3[12]+kDF2;
896 par3[18] = par3[15]+kDr22;
897 par3[19] = par3[16]-kDr22;
900 par3[21] = par3[18]+kDB2;
904 par3[24] = par3[21]+kDr23;
911 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
913 for (i=4; i<26; i+=3) par3[i] = 0;
915 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
916 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
923 // gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
924 // gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
926 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
930 // 3rd section: vacuum system
938 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
941 tpar[0]=kRB2+kHB2-kEB2;
943 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
944 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
950 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
957 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
960 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
963 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
966 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
969 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
972 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
978 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
981 for (i=0; i<7; i++) {
982 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
986 dz=-dl+kDr21+tpar[2];
987 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
990 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
998 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
1003 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
1004 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
1008 tpar[2]=kDFlange/2.;
1009 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
1010 dz=-kDF2/2.+tpar[2];
1011 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
1012 dz= kDF2/2.-tpar[2];
1013 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
1015 dz=kDr21/2.-kDr23/2.;
1016 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
1020 // pipe between flange and bellows
1021 tpar[0]=kRB2-dTubeS;
1023 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
1024 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
1025 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
1026 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
1027 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
1028 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
1033 // 4th section: rear shield and closing cone
1038 dl=(kZvac12-kZvac9)/2.;
1044 par4[6] = -dl+dHorZ;
1048 par4[9] = -dl+(kZvac10-kZvac9);
1049 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1053 par4[13] = par4[10];
1056 par4[15] = -dl+(kZvac11-kZvac9);
1057 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1060 par4[18] = par4[15];
1061 par4[19] = par4[16];
1064 par4[21] = -dl+(kZvac12-kZvac9);
1065 par4[22] = kRVacu+dVacuS;
1068 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
1071 for (i=4; i<23; i+=3) par4[i] = 0;
1073 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
1074 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
1079 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
1082 // Concrete replacing Pb
1090 dlCC=(zCC2-zCC1)/2.;
1092 parCC[ 4] = r3+(zCC1-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1096 parCC[ 7] = r3+(zCC2-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1099 gMC->Gsvolu("YCO4", "PCON", idtmed[kSteel], parCC, 9);
1100 // gMC->Gspos("YCO4", 1, "YGO4", 0., 0., dl-dlCC-(kZvac12-zCC2), 0, "ONLY");
1105 dlCC=(zCC2-zCC1)/2.;
1107 parCC[ 4] = r3+(zCC1-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1108 parCC[ 5] = kR41-kDRSteel2;
1111 parCC[ 7] = r3+(zCC2-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1112 parCC[ 8] = kR41-kDRSteel2;
1114 gMC->Gsvolu("YCO5", "PCON", idtmed[kSteel], parCC, 9);
1115 // gMC->Gspos("YCO5", 1, "YGO4", 0., 0., dl-dlCC-(kZvac12-zCC2), 0, "ONLY");
1118 // Closing concrete cone
1120 cpar[0]=(kZvac12-kZvac11)/2.;
1121 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
1122 cpar[2] = cpar[1]+0.001;
1123 cpar[3] = kRVacu+dVacuS;
1125 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
1127 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1135 tpar[2]=(kZvac10-kZvac9)/2.;
1136 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
1138 // gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1141 tpar[0]=kR41-kDRSteel2;
1143 tpar[2]=(kZvac11-kZvac10)/2.;
1144 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb+40], tpar, 3);
1146 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1152 tpar[2]=(kZvac11-kZvac10)/2.;
1153 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
1155 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1157 tpar[2]=(zCC2-zCC1)/2.;
1158 gMC->Gsvolu("YCO6", "TUBE", idtmed[kSteel+40], tpar, 3);
1159 // gMC->Gspos("YCO6", 1, "YPBI", 0., 0., -(kZvac11-kZvac10)/2.+tpar[2], 0, "ONLY");
1164 tpar[2]=(kZvac11-kZvac10)/2.;
1165 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb+40], tpar, 3);
1166 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
1168 tpar[2]=(zCC2-zCC1)/2.;
1169 gMC->Gsvolu("YCO7", "TUBE", idtmed[kSteel], tpar, 3);
1170 // gMC->Gspos("YCO7", 1, "YPBO", 0., 0., -(kZvac11-kZvac10)/2.+tpar[2], 0, "ONLY");
1178 tpar[2]=(kZvac12-kZvac11)/2.;
1179 gMC->Gsvolu("YFEI", "TUBE", idtmed[kSteel+40], tpar, 3);
1181 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
1186 gMC->Gsvolu("YFEO", "TUBE", idtmed[kSteel], tpar, 3);
1187 dz=-(kZvac12-kZvac11)/2.+tpar[2];
1188 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
1193 // 4th section: vacuum system
1195 // up to closing cone
1197 Float_t r3V=r3-kDr23+dVacuS-1.6;
1199 cpar0[0]=(kZvac11-kZvac9)/2;
1200 cpar0[1]=r3V-dVacuS;
1202 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1203 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
1204 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
1208 cpar[1]=cpar0[1]+dTubeS;
1209 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1210 cpar[3]=cpar0[3]+dTubeS;
1211 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1212 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
1213 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
1215 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1219 cpar0[0]=(kZvac12-kZvac11)/2;
1220 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1221 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
1223 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
1224 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
1228 cpar[1]=cpar0[1]+dTubeS;
1229 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
1230 cpar[3]=cpar0[3]+dTubeS;
1231 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
1232 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
1233 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
1236 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
1238 ///////////////////////////////////
1240 // Drawing ALIP2A__0105 //
1241 ///////////////////////////////////
1242 TGeoBBox* shMuonFilterO1 = new TGeoBBox(550./2., 620./2., 120./2.);
1243 shMuonFilterO1->SetName("FilterO1");
1244 TGeoTube* shMuonFilterI1 = new TGeoTube(0., 50., 121./2.);
1245 shMuonFilterI1->SetName("FilterI1");
1246 TGeoCompositeShape* shMuonFilterM = new TGeoCompositeShape("YMuonFilterM", "FilterO1-FilterI1");
1247 TGeoVolume* voMuonFilterM = new TGeoVolume("YMuonFilterM", shMuonFilterM, gGeoManager->GetMedium("SHIL_ST_C0"));
1249 TGeoBBox* shMuonFilterO2 = new TGeoBBox(550./2., 620./2., 110./2.);
1250 shMuonFilterO2->SetName("FilterO2");
1251 TGeoTube* shMuonFilterI2 = new TGeoTube(0., 50., 111./2.);
1252 shMuonFilterI2->SetName("FilterI2");
1253 TGeoCompositeShape* shMuonFilterI = new TGeoCompositeShape("YMuonFilterI", "FilterO2-FilterI2");
1254 TGeoVolume* voMuonFilterI = new TGeoVolume("YMuonFilterI", shMuonFilterI, gGeoManager->GetMedium("SHIL_ST_C3"));
1255 voMuonFilterI->SetName("YMuonFilterI");
1256 voMuonFilterM->AddNode(voMuonFilterI, 1, new TGeoTranslation(0., 0., 0.));
1258 dz = (kZFilterIn + kZFilterOut) / 2.;
1259 gMC->Gspos("YMuonFilterM", 1, "YOUT2", 0., 0., - dz, 0, "ONLY");
1265 dl = (kZvac10-kZch32)/2.;
1274 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1277 par0[ 6] = -dz + kZch41;
1279 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1281 par0[ 9] = -dz + kZch41;
1285 par0[12] = -dz + kZch42;
1287 par0[14] = par0[11];
1289 par0[15] = -dz + kZch42;
1291 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1294 par0[18] = -dz + kZch51;
1296 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1298 par0[21] = -dz + kZch51;
1300 par0[23] = 36.9; // recess erice2000
1302 par0[24] = -dz + kZch52;
1304 par0[26] = par0[23];
1306 par0[27] = -dz + kZch52;
1308 par0[29] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1312 par0[32] = par0[29];
1314 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb+40], par0, 33);
1315 Float_t dzs = -kzLength + (kZch32-zstart) + dl;
1316 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dzs, 0, "ONLY");
1326 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1327 par0[ 4] = par0[ 5] - 4.;
1331 par0[ 6] = -dz + kZch41 - 4.;
1332 par0[ 8] = 30.+(kZch41-4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1333 par0[ 7] = par0[ 8] -4.;
1335 par0[ 9] = -dz + kZch41 - 4.;
1339 par0[12] = -dz + kZch41;
1340 par0[14] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1343 par0[15] = -dz + kZch41;
1349 par0[18] = -dz + kZch51;
1353 par0[21] = -dz + kZch52;
1357 par0[24] = -dz + kZch52;
1358 par0[26] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1361 par0[27] = -dz + kZch52 + 4.;
1362 par0[29] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1365 par0[30] = -dz + kZch52 + 4.;
1366 par0[32] = 30.+(kZch52+4.-kZConeE)*TMath::Tan(kThetaOpenPbO);
1367 par0[31] = par0[32] - 4.;
1370 par0[35] = par0[32];
1371 par0[34] = par0[31];
1373 gMC->Gsvolu("YOSE", "PCON", idtmed[kSteel], par0, 36);
1374 gMC->Gspos ("YOSE", 1, "YOPB", 0., 0., 0., 0, "ONLY");
1376 // Extra Tungsten shield close to stations 1 and 2
1378 TGeoRotation* rot000 = new TGeoRotation("rot000", 90., 0., 90., 90., 0., 0.);
1379 TGeoRotation* rot090 = new TGeoRotation("rot090", 90., 90., 90., 180., 0., 0.);
1380 TGeoRotation* rot180 = new TGeoRotation("rot180", 90., 180., 90., 270., 0., 0.);
1381 TGeoRotation* rot270 = new TGeoRotation("rot270", 90., 270., 90., 0., 0., 0.);
1382 TGeoVolume* mother = gGeoManager->GetVolume("YMOT");
1383 TGeoVolumeAssembly* assembly = new TGeoVolumeAssembly("YASS");
1384 assembly->AddNode(mother, 1, new TGeoTranslation(0., 0., 0.));
1385 TGeoVolumeAssembly* extraShield1 = new TGeoVolumeAssembly("YCRE");
1386 TGeoVolumeAssembly* extraShield2 = new TGeoVolumeAssembly("YCRF");
1388 ///////////////////////////////////
1390 // Recess Station 1 //
1392 ///////////////////////////////////
1395 ///////////////////////////////////
1397 // Drawing ALIP2A__0220 //
1398 ///////////////////////////////////
1399 Float_t faWring2Rinner = 15.40;
1400 Float_t faWring2Router = 18.40;
1401 Float_t faWring2HWidth = 3.75;
1402 Float_t faWring2Cutoffx = 3.35;
1403 Float_t faWring2Cutoffy = 3.35;
1404 TGeoTubeSeg* shFaWring2a = new TGeoTubeSeg(faWring2Rinner, faWring2Router, faWring2HWidth, 0., 90.);
1405 shFaWring2a->SetName("shFaWring2a");
1406 TGeoBBox* shFaWring2b = new TGeoBBox(faWring2Router / 2., faWring2Router / 2., faWring2HWidth);
1407 shFaWring2b->SetName("shFaWring2b");
1408 TGeoTranslation* trFaWring2b
1409 = new TGeoTranslation("trFaWring2b", faWring2Router / 2. + faWring2Cutoffx, faWring2Router / 2. + faWring2Cutoffy, 0.);
1410 trFaWring2b->RegisterYourself();
1411 TGeoCompositeShape* shFaWring2 = new TGeoCompositeShape("shFaWring2", "(shFaWring2a)*(shFaWring2b:trFaWring2b)");
1412 TGeoVolume* voFaWring2 = new TGeoVolume("FA_WRING2", shFaWring2, gGeoManager->GetMedium("SHIL_Ni/W3"));
1414 ///////////////////////////////////
1416 // Drawing ALIP2A__0219 //
1417 ///////////////////////////////////
1418 Float_t faWring3Rinner = 15.40;
1419 Float_t faWring3Router = 18.40;
1420 Float_t faWring3HWidth = 3.75;
1421 Float_t faWring3Cutoffx = 3.35;
1422 Float_t faWring3Cutoffy = 3.35;
1423 TGeoTubeSeg* shFaWring3a = new TGeoTubeSeg(faWring3Rinner, faWring3Router, faWring3HWidth, 0., 90.);
1424 shFaWring3a->SetName("shFaWring3a");
1425 TGeoBBox* shFaWring3b = new TGeoBBox(faWring3Router / 2., faWring3Router / 2., faWring3HWidth);
1426 shFaWring3b->SetName("shFaWring3b");
1427 TGeoTranslation* trFaWring3b
1428 = new TGeoTranslation("trFaWring3b", faWring3Router / 2. + faWring3Cutoffx, faWring3Router / 2. + faWring3Cutoffy, 0.);
1429 trFaWring3b->RegisterYourself();
1430 TGeoCompositeShape* shFaWring3 = new TGeoCompositeShape("shFaWring3", "(shFaWring3a)*(shFaWring3b:trFaWring3b)");
1431 TGeoVolume* voFaWring3 = new TGeoVolume("FA_WRING3", shFaWring3, gGeoManager->GetMedium("SHIL_Ni/W3"));
1433 ///////////////////////////////////
1435 // Drawing ALIP2A__0221 //
1436 ///////////////////////////////////
1437 Float_t faWring5Rinner = 15.40;
1438 Float_t faWring5Router = 18.67;
1439 Float_t faWring5HWidth = 1.08;
1440 TGeoVolume* voFaWring5 = new TGeoVolume("FA_WRING5",
1441 new TGeoTube(faWring5Rinner, faWring5Router, faWring5HWidth),
1442 gGeoManager->GetMedium("SHIL_Ni/W3"));
1445 // Position the rings in the assembly
1447 // Distance between rings
1448 Float_t faDWrings = 1.92;
1450 dz = - (4. * faWring2HWidth + 4. * faWring3HWidth + 2. * faWring5HWidth + 2. * faDWrings) / 2.;
1451 dz += faWring2HWidth;
1452 extraShield1->AddNode(voFaWring2, 1, new TGeoCombiTrans(0., 0., dz, rot090));
1453 extraShield1->AddNode(voFaWring2, 2, new TGeoCombiTrans(0., 0., dz, rot270));
1454 dz += faWring2HWidth; dz += faDWrings;
1455 dz += faWring3HWidth;
1456 extraShield1->AddNode(voFaWring3, 1, new TGeoCombiTrans(0., 0., dz, rot000));
1457 extraShield1->AddNode(voFaWring3, 2, new TGeoCombiTrans(0., 0., dz, rot180));
1458 dz += faWring3HWidth;
1459 dz += faWring5HWidth;
1460 extraShield1->AddNode(voFaWring5, 1, new TGeoTranslation(0., 0., dz));
1461 dz += faWring5HWidth;
1462 dz += faWring3HWidth;
1463 extraShield1->AddNode(voFaWring3, 3, new TGeoCombiTrans(0., 0., dz, rot090));
1464 extraShield1->AddNode(voFaWring3, 4, new TGeoCombiTrans(0., 0., dz, rot270));
1465 dz += faWring3HWidth;
1467 dz += faWring2HWidth;
1468 extraShield1->AddNode(voFaWring2, 3, new TGeoCombiTrans(0., 0., dz, rot000));
1469 extraShield1->AddNode(voFaWring2, 4, new TGeoCombiTrans(0., 0., dz, rot180));
1470 dz += faWring2HWidth;
1472 // assembly->AddNode(extraShield1, 1, new TGeoTranslation(0., 0., -kzLength + 49.7 + dz));
1473 Float_t dzKeep = dz;
1476 ///////////////////////////////////
1478 // Recess Station 2 //
1480 ///////////////////////////////////
1482 ///////////////////////////////////
1484 // Drawing ALIP2A__0217 //
1485 ///////////////////////////////////
1486 Float_t saa1Wring1Width = 5.85;
1487 TGeoPcon* shSaa1Wring1 = new TGeoPcon(0., 360., 2);
1488 shSaa1Wring1->DefineSection(0, 0.00 , 20.30, 23.175);
1489 shSaa1Wring1->DefineSection(1, saa1Wring1Width, 20.30, 23.400);
1490 TGeoVolume* voSaa1Wring1 = new TGeoVolume("SAA1_WRING1", shSaa1Wring1, gGeoManager->GetMedium("SHIL_Ni/W3"));
1492 ///////////////////////////////////
1494 // Drawing ALIP2A__0055 //
1495 ///////////////////////////////////
1496 Float_t saa1Wring2Rinner = 20.30;
1497 Float_t saa1Wring2Router = 23.40;
1498 Float_t saa1Wring2HWidth = 3.75;
1499 Float_t saa1Wring2Cutoffx = 4.45;
1500 Float_t saa1Wring2Cutoffy = 4.45;
1501 TGeoTubeSeg* shSaa1Wring2a = new TGeoTubeSeg(saa1Wring2Rinner, saa1Wring2Router, saa1Wring2HWidth, 0., 90.);
1502 shSaa1Wring2a->SetName("shSaa1Wring2a");
1503 TGeoBBox* shSaa1Wring2b = new TGeoBBox(saa1Wring2Router / 2., saa1Wring2Router / 2., saa1Wring2HWidth);
1504 shSaa1Wring2b->SetName("shSaa1Wring2b");
1505 TGeoTranslation* trSaa1Wring2b
1506 = new TGeoTranslation("trSaa1Wring2b", saa1Wring2Router / 2. + saa1Wring2Cutoffx, saa1Wring2Router / 2. + saa1Wring2Cutoffy, 0.);
1507 trSaa1Wring2b->RegisterYourself();
1508 TGeoCompositeShape* shSaa1Wring2 = new TGeoCompositeShape("shSaa1Wring2", "(shSaa1Wring2a)*(shSaa1Wring2b:trSaa1Wring2b)");
1509 TGeoVolume* voSaa1Wring2 = new TGeoVolume("SAA1_WRING2", shSaa1Wring2, gGeoManager->GetMedium("SHIL_Ni/W3"));
1511 ///////////////////////////////////
1513 // Drawing ALIP2A__0216 //
1514 ///////////////////////////////////
1516 Float_t saa1Wring3Rinner = 20.30;
1517 Float_t saa1Wring3Router = 23.40;
1518 Float_t saa1Wring3HWidth = 3.75;
1519 Float_t saa1Wring3Cutoffx = 4.50;
1520 Float_t saa1Wring3Cutoffy = 4.40;
1521 TGeoTubeSeg* shSaa1Wring3a = new TGeoTubeSeg(saa1Wring3Rinner, saa1Wring3Router, saa1Wring3HWidth, 0., 90.);
1522 shSaa1Wring3a->SetName("shSaa1Wring3a");
1523 TGeoBBox* shSaa1Wring3b = new TGeoBBox(saa1Wring3Router / 2., saa1Wring3Router / 2., saa1Wring3HWidth);
1524 shSaa1Wring3b->SetName("shSaa1Wring3b");
1525 TGeoTranslation* trSaa1Wring3b
1526 = new TGeoTranslation("trSaa1Wring3b", saa1Wring3Router / 2. + saa1Wring3Cutoffx, saa1Wring3Router / 2. + saa1Wring3Cutoffy, 0.);
1527 trSaa1Wring3b->RegisterYourself();
1528 TGeoCompositeShape* shSaa1Wring3 = new TGeoCompositeShape("shSaa1Wring3", "(shSaa1Wring3a)*(shSaa1Wring3b:trSaa1Wring3b)");
1529 TGeoVolume* voSaa1Wring3 = new TGeoVolume("SAA1_WRING3", shSaa1Wring3, gGeoManager->GetMedium("SHIL_Ni/W3"));
1531 ///////////////////////////////////
1533 // Drawing ALIP2A__0215 //
1534 ///////////////////////////////////
1535 Float_t saa1Wring4Width = 5.85;
1536 TGeoPcon* shSaa1Wring4 = new TGeoPcon(0., 360., 5);
1537 shSaa1Wring4->DefineSection(0, 0.00, 20.30, 23.40);
1538 shSaa1Wring4->DefineSection(1, 1.00, 20.30, 23.40);
1539 shSaa1Wring4->DefineSection(2, 1.00, 20.30, 24.50);
1540 shSaa1Wring4->DefineSection(3, 4.85, 20.30, 24.80);
1541 shSaa1Wring4->DefineSection(4, 5.85, 24.10, 24.80);
1542 TGeoVolume* voSaa1Wring4 = new TGeoVolume("SAA1_WRING4", shSaa1Wring4, gGeoManager->GetMedium("SHIL_Ni/W3"));
1544 ///////////////////////////////////
1546 // Drawing ALIP2A__0218 //
1547 ///////////////////////////////////
1548 Float_t saa1Wring5Rinner = 20.30;
1549 Float_t saa1Wring5Router = 23.40;
1550 Float_t saa1Wring5HWidth = 0.85;
1551 TGeoVolume* voSaa1Wring5 = new TGeoVolume("SAA1_WRING5",
1552 new TGeoTube(saa1Wring5Rinner, saa1Wring5Router, saa1Wring5HWidth),
1553 gGeoManager->GetMedium("SHIL_Ni/W3"));
1555 // Position the rings in the assembly
1557 // Distance between rings
1558 Float_t saa1DWrings = 2.6;
1560 dz = - (saa1Wring1Width + 6. * saa1Wring2HWidth + 2. * saa1Wring3HWidth + saa1Wring4Width + 2. * saa1Wring5HWidth + 2. * saa1DWrings) / 2.;
1561 extraShield2->AddNode(voSaa1Wring1, 1, new TGeoTranslation(0., 0., dz));
1562 dz += saa1Wring1Width;
1563 dz += saa1Wring2HWidth;
1564 extraShield2->AddNode(voSaa1Wring2, 1, new TGeoCombiTrans(0., 0., dz, rot000));
1565 extraShield2->AddNode(voSaa1Wring2, 2, new TGeoCombiTrans(0., 0., dz, rot180));
1566 dz += saa1Wring2HWidth;
1568 dz += saa1Wring2HWidth;
1569 extraShield2->AddNode(voSaa1Wring2, 3, new TGeoCombiTrans(0., 0., dz, rot090));
1570 extraShield2->AddNode(voSaa1Wring2, 4, new TGeoCombiTrans(0., 0., dz, rot270));
1571 dz += saa1Wring2HWidth;
1572 dz += saa1Wring5HWidth;
1573 extraShield2->AddNode(voSaa1Wring5, 1, new TGeoTranslation(0., 0., dz));
1574 dz += saa1Wring5HWidth;
1575 dz += saa1Wring2HWidth;
1576 extraShield2->AddNode(voSaa1Wring2, 5, new TGeoCombiTrans(0., 0., dz, rot000));
1577 extraShield2->AddNode(voSaa1Wring2, 6, new TGeoCombiTrans(0., 0., dz, rot180));
1578 dz += saa1Wring2HWidth;
1580 dz += saa1Wring3HWidth;
1581 extraShield2->AddNode(voSaa1Wring3, 1, new TGeoCombiTrans(0., 0., dz, rot090));
1582 extraShield2->AddNode(voSaa1Wring3, 2, new TGeoCombiTrans(0., 0., dz, rot270));
1583 dz += saa1Wring3HWidth;
1584 extraShield2->AddNode(voSaa1Wring4, 1, new TGeoTranslation(0., 0., dz));
1585 dz += saa1Wring4Width;
1586 //assembly->AddNode(extraShield2, 1, new TGeoTranslation(0., 0., -kzLength + (kZch21 - zstart) + dz));
1588 TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
1589 TGeoVolume* yout1 = gGeoManager->GetVolume("YOUT1");
1590 cout << zstart << "..." << dz << endl;
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("*");