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"
41 //_____________________________________________________________________________
42 AliSHILv0::AliSHILv0()
45 // Default constructor for muon shield
49 //_____________________________________________________________________________
50 AliSHILv0::AliSHILv0(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
64 //_____________________________________________________________________________
65 void AliSHILv0::CreateGeometry()
68 // Build muon shield geometry
73 <img src="picts/AliSHILv0.gif">
78 <img src="picts/AliSHILv0Tree.gif">
82 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[36], par3[27],
86 Int_t *idtmed = fIdtmed->GetArray()-1699;
88 #include "ABSOSHILConst.h"
89 #include "SHILConst.h"
91 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
92 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
93 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
95 // Material of the rear part of the shield
97 if (fPbCone) iHeavy=kPb;
101 Float_t dRear1=kDRear;
103 Float_t zstart=kZRear-dRear1;
109 Float_t dl=(kZvac12-zstart)/2.;
115 par0[5] = zstart * TMath::Tan(kAccMin);
117 par0[6] = -dz+kZch11;
119 par0[8] = kZch11 * TMath::Tan(kAccMin);
125 par0[12] = -dz+kZch12;
131 par0[17] = kZch12 * TMath::Tan(kAccMin);
133 par0[18] = -dz+kZch21;
135 par0[20] = kZch21 * TMath::Tan(kAccMin);
137 par0[21] = -dz+kZch21;
141 par0[24] = -dz+kZch22;
145 par0[27] = -dz+kZch22;
147 par0[29] = kZch22 * TMath::Tan(kAccMin);
149 par0[30] = -dz+kZvac6;
151 par0[32] = kZvac6 * TMath::Tan(kAccMin);
153 par0[33] = -dz+kZConeE;
157 par0[36] = -dz+kZch31;
161 par0[39] = -dz+kZch31;
165 par0[42] = -dz+kZch32;
168 // start of 1.6 deg cone
169 par0[45] = -dz+kZch32;
171 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
173 par0[48] = -dz+kZch41;
175 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
177 par0[51] = -dz+kZch41;
181 par0[54] = -dz+kZch42;
185 par0[57] = -dz+kZch42;
187 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
191 par0[60] = -dz+kZch51;
193 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
195 par0[63] = -dz+kZch51;
199 par0[66] = -dz+kZch52;
203 par0[69] = -dz+kZch52;
205 par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
209 par0[72] = -dz+kZvac10;
211 par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
213 par0[75] = -dz+kZvac10;
217 par0[78] = -dz+kZvac11;
221 par0[81] = -dz+kZvac11;
225 par0[84] = -dz+kZvac12;
229 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
231 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
232 gMC->Gsbool("YMOT","L3DO");
233 gMC->Gsbool("YMOT","L3O1");
234 gMC->Gsbool("YMOT","L3O2");
240 // First section: bellows below and behind front absorber
246 dl=(kZvac4-zstart)/2.;
249 par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
250 par1[5] = zstart * TMath::Tan(kAccMin);
252 par1[6] = -dl+kZvac1-zstart;
253 par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
254 par1[8] = kZvac1 * TMath::Tan(kAccMin);
256 par1[9] = par1[6]+kDr11/2.;
257 par1[10] = par1[7]+kDr11;
258 par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
260 par1[12] = -dl+dRear1;
262 par1[14] = kZRear * TMath::Tan(kAccMin);
264 par1[15] = -dl+dRear1;
268 par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
272 par1[21] = par1[18]+kDr12;
273 par1[22] = par1[19]+kDr12;
276 par1[24] = par1[21]+kDF1;
280 par1[27] = par1[24]+kDr12;
281 par1[28] = par1[25]-kDr12;
284 par1[30] = par1[27]+kDB1;
288 par1[33] = par1[30]+kDr13;
289 par1[34] = par1[31]-kDr13;
292 par1[36] = -dl+kZvac4-zstart;
296 Float_t r2 = par1[37];
297 Float_t rBox= par1[31]-0.1;
299 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
302 for (i=0; i<39; i++) pars1[i] = par1[i];
303 for (i=4; i<38; i+=3) pars1[i] = 0.;
305 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
306 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
308 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
313 tpar[0]=kR11-kDRSteel2;
315 tpar[2]=(kZvac4-kZvac3)/2.;
316 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
318 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
321 // 1st section: vacuum system
333 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
336 tpar[0]=kRB1+kHB1-kEB1;
338 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
339 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
345 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
352 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
355 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
358 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
361 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
364 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
367 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
371 tpar[1]=kRB1+kHB1+0.5;
373 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
374 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
376 Float_t bsize = tpar[2];
379 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
381 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
382 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
384 dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
385 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
393 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
398 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
403 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
406 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
407 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
409 dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
410 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
413 // pipe between flange and bellows
419 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
423 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
424 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
427 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
429 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
432 // Pipe+Heating 1.5 mm
433 // Heating Jacket 5.0 mm
435 // ========================
437 // pipe and heating jackets outside bellows
440 cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
441 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
442 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
443 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
444 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
445 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
450 cpar[1]=cpar0[1]+0.15;
451 cpar[2]=cpar0[1]+0.65;
452 cpar[3]=cpar0[3]+0.15;
453 cpar[4]=cpar0[3]+0.65;
454 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
455 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
457 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
463 cpar0[0] = (kZvac4-kZvac3)/2;
465 cpar0[2] = cpar0[1]+dVacuS;
466 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
467 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
468 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
469 Float_t r2V=cpar0[3];
473 cpar[1] = cpar0[1]+dTubeS;
474 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
475 cpar[3] = cpar0[3]+dTubeS;
476 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
477 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
478 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
481 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
485 // Between first and second bellow section
491 dl=(kZvac7-kZvac4)/2.;
501 par2[9] = -dl+(kZvac6-kZvac4);
502 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
505 par2[12] = -dl+(kZvac6-kZvac4);
507 par2[14] = kZvac6*TMath::Tan(kAccMin);
509 // Start of Pb section
510 par2[15] = -dl+(kZPb-kZvac4);
511 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
512 par2[17] = kZPb*TMath::Tan(kAccMin);
514 // end of cone following 2 deg line
515 par2[18] = -dl+(kZConeE-kZvac4);
516 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
519 par2[21] = -dl+(kZch31-kZvac4);
520 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
523 par2[24] = -dl+(kZch31-kZvac4);
524 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
527 par2[27] = -dl+(kZch32-kZvac4);
528 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
531 par2[30] = -dl+(kZch32-kZvac4);
532 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
535 par2[33] = -dl+(kZvac7-kZvac4);
536 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
539 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
548 Float_t dlPb=(kZvac7-kZPb)/2.;
551 parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
552 parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
554 parPb[6] = -dlPb+(kZConeE-kZPb);
555 parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
559 parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
562 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
563 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
572 Float_t dlW=(kZPb-kZvac4)/2.;
576 parW[5] = kR21-kDRSteel2;
578 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
579 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
580 parW[8] = kR21-kDRSteel2;
582 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
583 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
584 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
587 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
588 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
590 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
591 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
593 for (i=4; i<35; i+=3) par2[i] = 0;
595 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
596 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
598 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
602 // 2nd section: vacuum system
604 cpar0[0]=(kZvac7-kZvac4)/2;
607 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
608 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
609 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
613 cpar[1]=cpar0[1]+dTubeS;
614 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
615 cpar[3]=cpar0[3]+dTubeS;
616 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
617 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
618 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
619 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
622 // Third Section: Bellows and Flange
627 dl=(kZvac9-kZvac7)/2.;
630 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
634 par3[7] = par3[4]+kDr21;
637 par3[9] = par3[6]+kDB2;
641 par3[12] = par3[9]+kDr22;
642 par3[13] = par3[10]+kDr22;
645 par3[15] = par3[12]+kDF2;
649 par3[18] = par3[15]+kDr22;
650 par3[19] = par3[16]-kDr22;
653 par3[21] = par3[18]+kDB2;
657 par3[24] = par3[21]+kDr23;
664 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
666 for (i=4; i<26; i+=3) par3[i] = 0;
668 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
669 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
676 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
677 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
679 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
683 // 3rd section: vacuum system
691 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
694 tpar[0]=kRB2+kHB2-kEB2;
696 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
697 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
703 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
710 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
713 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
716 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
719 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
722 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
725 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
731 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
734 for (i=0; i<7; i++) {
735 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
739 dz=-dl+kDr21+tpar[2];
740 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
743 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
751 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
756 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
757 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
762 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
764 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
766 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
768 dz=kDr21/2.-kDr23/2.;
769 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
773 // pipe between flange and bellows
776 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
777 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
778 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
779 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
780 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
781 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
786 // 4th section: rear shield and closing cone
791 dl=(kZvac12-kZvac9)/2.;
801 par4[9] = -dl+(kZvac10-kZvac9);
802 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
809 par4[15] = -dl+(kZvac11-kZvac9);
810 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
817 par4[21] = -dl+(kZvac12-kZvac9);
818 par4[22] = kRVacu+dVacuS;
821 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
823 // parPb[0] = (kZvac12-kZvac10)/2.;
824 // parPb[1] = parPb[3];
826 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
828 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
829 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
831 for (i=4; i<23; i+=3) par4[i] = 0;
833 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
834 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
839 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
842 // Closing concrete cone
844 cpar[0]=(kZvac12-kZvac11)/2.;
845 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
846 cpar[2] = cpar[1]+0.001;
847 cpar[3] = kRVacu+dVacuS;
849 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
851 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
858 tpar[2]=(kZvac10-kZvac9)/2.;
859 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
861 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
864 tpar[0]=kR41-kDRSteel2;
866 tpar[2]=(kZvac11-kZvac10)/2.;
867 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
869 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
875 tpar[2]=(kZvac11-kZvac10)/2.;
876 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
878 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
882 tpar[2]=(kZvac11-kZvac10)/2.;
883 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
884 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
892 tpar[2]=(kZvac12-kZvac11)/2.;
893 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
895 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
900 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
901 dz=-(kZvac12-kZvac11)/2.+tpar[2];
902 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
909 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
913 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
914 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
918 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
922 // 4th section: vacuum system
924 // up to closing cone
926 Float_t r3V=r3-kDr23+dVacuS-1.6;
928 cpar0[0]=(kZvac11-kZvac9)/2;
931 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
932 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
933 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
937 cpar[1]=cpar0[1]+dTubeS;
938 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
939 cpar[3]=cpar0[3]+dTubeS;
940 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
941 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
942 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
944 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
947 cpar0[0]=(kZvac12-kZvac11)/2;
948 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
949 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
951 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
952 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
956 cpar[1]=cpar0[1]+dTubeS;
957 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
958 cpar[3]=cpar0[3]+dTubeS;
959 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
960 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
961 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
964 // cpar[1]=cpar0[2]-kDProtS-kDFreeS;
965 // cpar[2]=cpar0[2]-kDProtS;
966 // cpar[3]=cpar0[4]-kDProtS-kDFreeS;
967 // cpar[4]=cpar0[4]-kDProtS;
968 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
969 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
972 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
979 tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
980 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
981 dz = (kZFilterIn + kZFilterOut) / 2.;
983 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
984 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
985 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
987 // Shielding close to chamber
990 cpar[0]=(kZch11-kZRear)/2.;
992 cpar[2]=kZRear*TMath::Tan(kAccMin);
994 cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
995 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
996 dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
997 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
999 cpar[0]=(kZvac4-kZch12)/2.;
1001 cpar[2]=kZch12*TMath::Tan(kAccMin);
1003 cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
1004 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1005 dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
1006 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1011 cpar[0]=(kZch12-kZch11)/2.;
1016 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1017 dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
1018 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1027 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1030 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1031 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1032 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1033 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1040 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1041 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1047 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1048 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1054 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1055 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1061 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1062 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1068 cpar[0]=(kZch21-kZvac4)/2.;
1070 cpar[2]=kZvac4*TMath::Tan(kAccMin);
1072 cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
1073 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1074 dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
1075 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1077 cpar[0]=(kZvac6-kZch22)/2.;
1079 cpar[2]=kZch22*TMath::Tan(kAccMin);
1081 cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
1082 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1083 dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
1084 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1088 cpar[0]=(kZch22-kZch21)/2.;
1093 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1094 dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
1095 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1102 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1108 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1109 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1115 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1116 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1122 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1123 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1129 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1130 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1138 dl = (kZvac10-kZch32)/2.;
1147 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1150 par0[ 6] = -dz + kZch41;
1152 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1154 par0[ 9] = -dz + kZch41;
1158 par0[12] = -dz + kZch42;
1160 par0[14] = par0[11];
1162 par0[15] = -dz + kZch42;
1164 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1167 par0[18] = -dz + kZch51;
1169 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1171 par0[21] = -dz + kZch51;
1173 par0[23] = 37.5; // recess erice2000
1175 par0[24] = -dz + kZch52;
1177 par0[26] = par0[23];
1179 par0[27] = -dz + kZch52;
1181 par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1185 par0[32] = par0[29];
1187 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1188 dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
1189 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1193 void AliSHILv0::Init()
1196 // Initialise the muon shield after it has been built
1201 if(AliLog::GetGlobalDebugLevel()>0) {
1202 printf("\n%s: ",ClassName());
1203 for(i=0;i<35;i++) printf("*");
1204 printf(" SHILv0_INIT ");
1205 for(i=0;i<35;i++) printf("*");
1206 printf("\n%s: ",ClassName());
1208 // Here the SHIL initialisation code (if any!)
1209 for(i=0;i<80;i++) printf("*");