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 ///////////////////////////////////////////////////////////////////////////////
20 // Muon Shield Class //
21 // This class contains a description of the muon shield //
25 <img src="picts/AliSHILClass.gif">
30 ///////////////////////////////////////////////////////////////////////////////
32 #include <TVirtualMC.h>
36 #include "AliSHILv0.h"
40 //_____________________________________________________________________________
41 AliSHILv0::AliSHILv0()
44 // Default constructor for muon shield
48 //_____________________________________________________________________________
49 AliSHILv0::AliSHILv0(const char *name, const char *title)
53 // Standard constructor for muon shield
58 // Pb cone not yet compatible with muon chamber inner radii
59 // Switched off by default
63 //_____________________________________________________________________________
64 void AliSHILv0::CreateGeometry()
67 // Build muon shield geometry
72 <img src="picts/AliSHILv0.gif">
77 <img src="picts/AliSHILv0Tree.gif">
81 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[36], par3[27],
85 Int_t *idtmed = fIdtmed->GetArray()-1699;
87 #include "ABSOSHILConst.h"
88 #include "SHILConst.h"
90 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
91 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
92 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
94 // Material of the rear part of the shield
96 if (fPbCone) iHeavy=kPb;
100 Float_t dRear1=kDRear;
102 Float_t zstart=kZRear-dRear1;
108 Float_t dl=(kZvac12-zstart)/2.;
114 par0[5] = zstart * TMath::Tan(kAccMin);
116 par0[6] = -dz+kZch11;
118 par0[8] = kZch11 * TMath::Tan(kAccMin);
124 par0[12] = -dz+kZch12;
130 par0[17] = kZch12 * TMath::Tan(kAccMin);
132 par0[18] = -dz+kZch21;
134 par0[20] = kZch21 * TMath::Tan(kAccMin);
136 par0[21] = -dz+kZch21;
140 par0[24] = -dz+kZch22;
144 par0[27] = -dz+kZch22;
146 par0[29] = kZch22 * TMath::Tan(kAccMin);
148 par0[30] = -dz+kZvac6;
150 par0[32] = kZvac6 * TMath::Tan(kAccMin);
152 par0[33] = -dz+kZConeE;
156 par0[36] = -dz+kZch31;
160 par0[39] = -dz+kZch31;
164 par0[42] = -dz+kZch32;
167 // start of 1.6 deg cone
168 par0[45] = -dz+kZch32;
170 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
172 par0[48] = -dz+kZch41;
174 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
176 par0[51] = -dz+kZch41;
180 par0[54] = -dz+kZch42;
184 par0[57] = -dz+kZch42;
186 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
190 par0[60] = -dz+kZch51;
192 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
194 par0[63] = -dz+kZch51;
198 par0[66] = -dz+kZch52;
202 par0[69] = -dz+kZch52;
204 par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
208 par0[72] = -dz+kZvac10;
210 par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
212 par0[75] = -dz+kZvac10;
216 par0[78] = -dz+kZvac11;
220 par0[81] = -dz+kZvac11;
224 par0[84] = -dz+kZvac12;
228 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
230 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
231 gMC->Gsbool("YMOT","L3DO");
232 gMC->Gsbool("YMOT","L3O1");
233 gMC->Gsbool("YMOT","L3O2");
239 // First section: bellows below and behind front absorber
245 dl=(kZvac4-zstart)/2.;
248 par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
249 par1[5] = zstart * TMath::Tan(kAccMin);
251 par1[6] = -dl+kZvac1-zstart;
252 par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
253 par1[8] = kZvac1 * TMath::Tan(kAccMin);
255 par1[9] = par1[6]+kDr11/2.;
256 par1[10] = par1[7]+kDr11;
257 par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
259 par1[12] = -dl+dRear1;
261 par1[14] = kZRear * TMath::Tan(kAccMin);
263 par1[15] = -dl+dRear1;
267 par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
271 par1[21] = par1[18]+kDr12;
272 par1[22] = par1[19]+kDr12;
275 par1[24] = par1[21]+kDF1;
279 par1[27] = par1[24]+kDr12;
280 par1[28] = par1[25]-kDr12;
283 par1[30] = par1[27]+kDB1;
287 par1[33] = par1[30]+kDr13;
288 par1[34] = par1[31]-kDr13;
291 par1[36] = -dl+kZvac4-zstart;
295 Float_t r2 = par1[37];
296 Float_t rBox= par1[31]-0.1;
298 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
301 for (i=0; i<39; i++) pars1[i] = par1[i];
302 for (i=4; i<38; i+=3) pars1[i] = 0.;
304 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
305 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
307 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
312 tpar[0]=kR11-kDRSteel2;
314 tpar[2]=(kZvac4-kZvac3)/2.;
315 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
317 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
320 // 1st section: vacuum system
332 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
335 tpar[0]=kRB1+kHB1-kEB1;
337 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
338 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
344 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
351 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
354 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
357 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
360 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
363 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
366 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
370 tpar[1]=kRB1+kHB1+0.5;
372 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
373 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
375 Float_t bsize = tpar[2];
378 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
380 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
381 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
383 dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
384 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
392 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
397 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
402 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
405 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
406 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
408 dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
409 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
412 // pipe between flange and bellows
418 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
422 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
423 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
426 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
428 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
431 // Pipe+Heating 1.5 mm
432 // Heating Jacket 5.0 mm
434 // ========================
436 // pipe and heating jackets outside bellows
439 cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
440 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
441 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
442 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
443 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
444 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
449 cpar[1]=cpar0[1]+0.15;
450 cpar[2]=cpar0[1]+0.65;
451 cpar[3]=cpar0[3]+0.15;
452 cpar[4]=cpar0[3]+0.65;
453 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
454 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
456 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
462 cpar0[0] = (kZvac4-kZvac3)/2;
464 cpar0[2] = cpar0[1]+dVacuS;
465 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
466 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
467 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
468 Float_t r2V=cpar0[3];
472 cpar[1] = cpar0[1]+dTubeS;
473 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
474 cpar[3] = cpar0[3]+dTubeS;
475 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
476 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
477 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
480 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
484 // Between first and second bellow section
490 dl=(kZvac7-kZvac4)/2.;
500 par2[9] = -dl+(kZvac6-kZvac4);
501 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
504 par2[12] = -dl+(kZvac6-kZvac4);
506 par2[14] = kZvac6*TMath::Tan(kAccMin);
508 // Start of Pb section
509 par2[15] = -dl+(kZPb-kZvac4);
510 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
511 par2[17] = kZPb*TMath::Tan(kAccMin);
513 // end of cone following 2 deg line
514 par2[18] = -dl+(kZConeE-kZvac4);
515 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
518 par2[21] = -dl+(kZch31-kZvac4);
519 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
522 par2[24] = -dl+(kZch31-kZvac4);
523 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
526 par2[27] = -dl+(kZch32-kZvac4);
527 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
530 par2[30] = -dl+(kZch32-kZvac4);
531 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
534 par2[33] = -dl+(kZvac7-kZvac4);
535 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
538 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
547 Float_t dlPb=(kZvac7-kZPb)/2.;
550 parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
551 parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
553 parPb[6] = -dlPb+(kZConeE-kZPb);
554 parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
558 parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
561 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
562 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
571 Float_t dlW=(kZPb-kZvac4)/2.;
575 parW[5] = kR21-kDRSteel2;
577 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
578 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
579 parW[8] = kR21-kDRSteel2;
581 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
582 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
583 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
586 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
587 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
589 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
590 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
592 for (i=4; i<35; i+=3) par2[i] = 0;
594 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
595 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
597 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
601 // 2nd section: vacuum system
603 cpar0[0]=(kZvac7-kZvac4)/2;
606 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
607 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
608 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
612 cpar[1]=cpar0[1]+dTubeS;
613 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
614 cpar[3]=cpar0[3]+dTubeS;
615 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
616 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
617 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
618 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
621 // Third Section: Bellows and Flange
626 dl=(kZvac9-kZvac7)/2.;
629 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
633 par3[7] = par3[4]+kDr21;
636 par3[9] = par3[6]+kDB2;
640 par3[12] = par3[9]+kDr22;
641 par3[13] = par3[10]+kDr22;
644 par3[15] = par3[12]+kDF2;
648 par3[18] = par3[15]+kDr22;
649 par3[19] = par3[16]-kDr22;
652 par3[21] = par3[18]+kDB2;
656 par3[24] = par3[21]+kDr23;
663 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
665 for (i=4; i<26; i+=3) par3[i] = 0;
667 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
668 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
675 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
676 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
678 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
682 // 3rd section: vacuum system
690 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
693 tpar[0]=kRB2+kHB2-kEB2;
695 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
696 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
702 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
709 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
712 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
715 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
718 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
721 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
724 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
730 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
733 for (i=0; i<7; i++) {
734 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
738 dz=-dl+kDr21+tpar[2];
739 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
742 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
750 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
755 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
756 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
761 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
763 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
765 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
767 dz=kDr21/2.-kDr23/2.;
768 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
772 // pipe between flange and bellows
775 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
776 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
777 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
778 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
779 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
780 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
785 // 4th section: rear shield and closing cone
790 dl=(kZvac12-kZvac9)/2.;
800 par4[9] = -dl+(kZvac10-kZvac9);
801 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
808 par4[15] = -dl+(kZvac11-kZvac9);
809 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
816 par4[21] = -dl+(kZvac12-kZvac9);
817 par4[22] = kRVacu+dVacuS;
820 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
822 // parPb[0] = (kZvac12-kZvac10)/2.;
823 // parPb[1] = parPb[3];
825 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
827 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
828 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
830 for (i=4; i<23; i+=3) par4[i] = 0;
832 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
833 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
838 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
841 // Closing concrete cone
843 cpar[0]=(kZvac12-kZvac11)/2.;
844 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
845 cpar[2] = cpar[1]+0.001;
846 cpar[3] = kRVacu+dVacuS;
848 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
850 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
857 tpar[2]=(kZvac10-kZvac9)/2.;
858 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
860 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
863 tpar[0]=kR41-kDRSteel2;
865 tpar[2]=(kZvac11-kZvac10)/2.;
866 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
868 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
874 tpar[2]=(kZvac11-kZvac10)/2.;
875 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
877 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
881 tpar[2]=(kZvac11-kZvac10)/2.;
882 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
883 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
891 tpar[2]=(kZvac12-kZvac11)/2.;
892 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
894 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
899 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
900 dz=-(kZvac12-kZvac11)/2.+tpar[2];
901 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
908 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
912 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
913 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
917 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
921 // 4th section: vacuum system
923 // up to closing cone
925 Float_t r3V=r3-kDr23+dVacuS-1.6;
927 cpar0[0]=(kZvac11-kZvac9)/2;
930 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
931 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
932 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
936 cpar[1]=cpar0[1]+dTubeS;
937 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
938 cpar[3]=cpar0[3]+dTubeS;
939 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
940 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
941 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
943 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
946 cpar0[0]=(kZvac12-kZvac11)/2;
947 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
948 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
950 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
951 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
955 cpar[1]=cpar0[1]+dTubeS;
956 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
957 cpar[3]=cpar0[3]+dTubeS;
958 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
959 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
960 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
963 // cpar[1]=cpar0[2]-kDProtS-kDFreeS;
964 // cpar[2]=cpar0[2]-kDProtS;
965 // cpar[3]=cpar0[4]-kDProtS-kDFreeS;
966 // cpar[4]=cpar0[4]-kDProtS;
967 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
968 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
971 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
978 tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
979 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
980 dz = (kZFilterIn + kZFilterOut) / 2.;
982 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
983 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
984 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
986 // Shielding close to chamber
989 cpar[0]=(kZch11-kZRear)/2.;
991 cpar[2]=kZRear*TMath::Tan(kAccMin);
993 cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
994 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
995 dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
996 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
998 cpar[0]=(kZvac4-kZch12)/2.;
1000 cpar[2]=kZch12*TMath::Tan(kAccMin);
1002 cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
1003 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1004 dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
1005 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1010 cpar[0]=(kZch12-kZch11)/2.;
1015 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1016 dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
1017 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1026 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1029 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1030 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1031 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1032 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1039 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1040 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1046 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1047 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1053 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1054 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1060 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1061 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1067 cpar[0]=(kZch21-kZvac4)/2.;
1069 cpar[2]=kZvac4*TMath::Tan(kAccMin);
1071 cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
1072 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1073 dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
1074 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1076 cpar[0]=(kZvac6-kZch22)/2.;
1078 cpar[2]=kZch22*TMath::Tan(kAccMin);
1080 cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
1081 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1082 dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
1083 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1087 cpar[0]=(kZch22-kZch21)/2.;
1092 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1093 dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
1094 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1101 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1107 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1108 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1114 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1115 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1121 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1122 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1128 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1129 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1137 dl = (kZvac10-kZch32)/2.;
1146 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1149 par0[ 6] = -dz + kZch41;
1151 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1153 par0[ 9] = -dz + kZch41;
1157 par0[12] = -dz + kZch42;
1159 par0[14] = par0[11];
1161 par0[15] = -dz + kZch42;
1163 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1166 par0[18] = -dz + kZch51;
1168 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1170 par0[21] = -dz + kZch51;
1172 par0[23] = 37.5; // recess erice2000
1174 par0[24] = -dz + kZch52;
1176 par0[26] = par0[23];
1178 par0[27] = -dz + kZch52;
1180 par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1184 par0[32] = par0[29];
1186 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1187 dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
1188 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1192 void AliSHILv0::Init()
1195 // Initialise the muon shield after it has been built
1201 printf("\n%s: ",ClassName());
1202 for(i=0;i<35;i++) printf("*");
1203 printf(" SHILv0_INIT ");
1204 for(i=0;i<35;i++) printf("*");
1205 printf("\n%s: ",ClassName());
1207 // Here the SHIL initialisation code (if any!)
1208 for(i=0;i<80;i++) printf("*");