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():
46 // Default constructor for muon shield
51 //_____________________________________________________________________________
52 AliSHILv0::AliSHILv0(const char *name, const char *title)
53 : AliSHIL(name,title),
57 // Standard constructor for muon shield
62 // Pb cone not yet compatible with muon chamber inner radii
63 // Switched off by default
66 //_____________________________________________________________________________
67 void AliSHILv0::CreateGeometry()
70 // Build muon shield geometry
75 <img src="picts/AliSHILv0.gif">
80 <img src="picts/AliSHILv0Tree.gif">
84 Float_t cpar[5], cpar0[5], tpar[3], par1[39], pars1[100], par2[36], par3[27],
88 Int_t *idtmed = fIdtmed->GetArray()-1699;
90 #include "ABSOSHILConst.h"
91 #include "SHILConst.h"
93 enum {kC=1705, kAl=1708, kFe=1709, kCu=1710, kW=1711, kPb=1712,
94 kNiCuW=1720, kVacuum=1715, kAir=1714, kConcrete=1716,
95 kPolyCH2=1717, kSteel=1709, kInsulation=1713};
97 // Material of the rear part of the shield
99 if (fPbCone) iHeavy=kPb;
103 Float_t dRear1=kDRear;
105 Float_t zstart=kZRear-dRear1;
111 Float_t dl=(kZvac12-zstart)/2.;
117 par0[5] = zstart * TMath::Tan(kAccMin);
119 par0[6] = -dz+kZch11;
121 par0[8] = kZch11 * TMath::Tan(kAccMin);
127 par0[12] = -dz+kZch12;
133 par0[17] = kZch12 * TMath::Tan(kAccMin);
135 par0[18] = -dz+kZch21;
137 par0[20] = kZch21 * TMath::Tan(kAccMin);
139 par0[21] = -dz+kZch21;
143 par0[24] = -dz+kZch22;
147 par0[27] = -dz+kZch22;
149 par0[29] = kZch22 * TMath::Tan(kAccMin);
151 par0[30] = -dz+kZvac6;
153 par0[32] = kZvac6 * TMath::Tan(kAccMin);
155 par0[33] = -dz+kZConeE;
159 par0[36] = -dz+kZch31;
163 par0[39] = -dz+kZch31;
167 par0[42] = -dz+kZch32;
170 // start of 1.6 deg cone
171 par0[45] = -dz+kZch32;
173 par0[47] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
175 par0[48] = -dz+kZch41;
177 par0[50] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
179 par0[51] = -dz+kZch41;
183 par0[54] = -dz+kZch42;
187 par0[57] = -dz+kZch42;
189 par0[59] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
193 par0[60] = -dz+kZch51;
195 par0[62] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
197 par0[63] = -dz+kZch51;
201 par0[66] = -dz+kZch52;
205 par0[69] = -dz+kZch52;
207 par0[71] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
211 par0[72] = -dz+kZvac10;
213 par0[74] = 30.+(kZvac10-kZConeE)*TMath::Tan(kThetaOpenPbO);
215 par0[75] = -dz+kZvac10;
219 par0[78] = -dz+kZvac11;
223 par0[81] = -dz+kZvac11;
227 par0[84] = -dz+kZvac12;
231 gMC->Gsvolu("YMOT", "PCON", idtmed[kVacuum], par0, 87);
233 gMC->Gspos("YMOT", 1, "ALIC", 0., 0., dz, 0, "ONLY");
234 gMC->Gsbool("YMOT","L3DO");
235 gMC->Gsbool("YMOT","L3O1");
236 gMC->Gsbool("YMOT","L3O2");
242 // First section: bellows below and behind front absorber
248 dl=(kZvac4-zstart)/2.;
251 par1[4] = kRAbs+(zstart-kZOpen) * TMath::Tan(kThetaOpen1);
252 par1[5] = zstart * TMath::Tan(kAccMin);
254 par1[6] = -dl+kZvac1-zstart;
255 par1[7] = kRAbs+ (kZvac1-kZOpen) * TMath::Tan(kThetaOpen1);
256 par1[8] = kZvac1 * TMath::Tan(kAccMin);
258 par1[9] = par1[6]+kDr11/2.;
259 par1[10] = par1[7]+kDr11;
260 par1[11] = (kZvac1+kDr11/2.) * TMath::Tan(kAccMin);
262 par1[12] = -dl+dRear1;
264 par1[14] = kZRear * TMath::Tan(kAccMin);
266 par1[15] = -dl+dRear1;
270 par1[18] = -dl+(kZvac1+kDr11+kDB1-zstart);
274 par1[21] = par1[18]+kDr12;
275 par1[22] = par1[19]+kDr12;
278 par1[24] = par1[21]+kDF1;
282 par1[27] = par1[24]+kDr12;
283 par1[28] = par1[25]-kDr12;
286 par1[30] = par1[27]+kDB1;
290 par1[33] = par1[30]+kDr13;
291 par1[34] = par1[31]-kDr13;
294 par1[36] = -dl+kZvac4-zstart;
298 Float_t r2 = par1[37];
299 Float_t rBox= par1[31]-0.1;
301 gMC->Gsvolu("YGO1", "PCON", idtmed[kNiCuW], par1, 39);
304 for (i=0; i<39; i++) pars1[i] = par1[i];
305 for (i=4; i<38; i+=3) pars1[i] = 0.;
307 gMC->Gsvolu("YMO1", "PCON", idtmed[kVacuum+40], pars1, 39);
308 gMC->Gspos("YGO1", 1, "YMO1", 0., 0., 0., 0, "ONLY");
310 gMC->Gspos("YMO1", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
315 tpar[0]=kR11-kDRSteel2;
317 tpar[2]=(kZvac4-kZvac3)/2.;
318 gMC->Gsvolu("YSE1", "TUBE", idtmed[kNiCuW], tpar, 3);
320 gMC->Gspos("YSE1", 1, "YGO1", 0., 0., dz, 0, "ONLY");
323 // 1st section: vacuum system
335 gMC->Gsvolu("YB11", "TUBE", idtmed[kSteel+40], tpar, 3);
338 tpar[0]=kRB1+kHB1-kEB1;
340 tpar[2]=(kLB1/2.-2.*kEB1)/2.;
341 gMC->Gsvolu("YB12", "TUBE", idtmed[kSteel+40], tpar, 3);
347 gMC->Gsvolu("YB13", "TUBE", idtmed[kSteel+40], tpar, 3);
354 gMC->Gsvolu("YBU1", "TUBE", idtmed[kVacuum+40], tpar, 3);
357 gMC->Gspos("YB13", 1, "YBU1", 0., 0., dz, 0, "ONLY");
360 gMC->Gspos("YB11", 1, "YBU1", 0., 0., dz, 0, "ONLY");
363 gMC->Gspos("YB12", 1, "YBU1", 0., 0., dz, 0, "ONLY");
366 gMC->Gspos("YB11", 2, "YBU1", 0., 0., dz, 0, "ONLY");
369 gMC->Gspos("YB13", 2, "YBU1", 0., 0., dz, 0, "ONLY");
373 tpar[1]=kRB1+kHB1+0.5;
375 gMC->Gsvolu("YBM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
376 gMC->Gsdvn("YB1S", "YBM1", 12 , 3);
378 Float_t bsize = tpar[2];
381 gMC->Gsvolu("YBI1", "TUBE", idtmed[kInsulation+40], tpar, 3);
383 gMC->Gspos("YBI1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
384 gMC->Gspos("YBU1", 1, "YB1S", 0., 0., 0., 0, "ONLY");
386 dz=-dl+(kZvac1-zstart)+kDr11/2.+bsize;
387 gMC->Gspos("YBM1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
395 gMC->Gsvolu("YFM1", "TUBE", idtmed[kVacuum+40], tpar, 3);
400 gMC->Gsvolu("YF11", "TUBE", idtmed[kSteel+40], tpar, 3);
405 gMC->Gsvolu("YF12", "TUBE", idtmed[kInsulation+40], tpar, 3);
408 gMC->Gspos("YF11", 1, "YFM1", 0., 0., 0., 0, "ONLY");
409 gMC->Gspos("YF12", 1, "YFM1", 0., 0., 0., 0, "ONLY");
411 dz=-dl+(kZvac1-zstart)+kDr11/2.+2.*bsize+kDF1/2.+3.;
412 gMC->Gspos("YFM1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
415 // pipe between flange and bellows
421 gMC->Gsvolu("YPF1", "TUBE", idtmed[kSteel+40], tpar, 3);
425 gMC->Gsvolu("YPS1", "TUBE", idtmed[kInsulation+40], tpar, 3);
426 gMC->Gspos("YPS1", 1, "YPF1", 0., 0., 0., 0, "ONLY");
429 gMC->Gspos("YPF1", 1, "YMO1", 0., 0., dz, 0, "ONLY");
431 gMC->Gspos("YPF1", 2, "YMO1", 0., 0., dz, 0, "ONLY");
434 // Pipe+Heating 1.5 mm
435 // Heating Jacket 5.0 mm
437 // ========================
439 // pipe and heating jackets outside bellows
442 cpar0[0]=(kZvac1+kDr11/2.-zstart)/2;
443 cpar0[1]=kRVacu-0.05 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
444 cpar0[2]=kRVacu+0.7 +(zstart-kZOpen)*TMath::Tan(kThetaOpen1);
445 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
446 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen1);
447 gMC->Gsvolu("YV11", "CONE", idtmed[kSteel+40], cpar0, 5);
452 cpar[1]=cpar0[1]+0.15;
453 cpar[2]=cpar0[1]+0.65;
454 cpar[3]=cpar0[3]+0.15;
455 cpar[4]=cpar0[3]+0.65;
456 gMC->Gsvolu("YI11", "CONE", idtmed[kInsulation+40], cpar, 5);
457 gMC->Gspos("YI11", 1, "YV11", 0., 0., 0., 0, "ONLY");
459 gMC->Gspos("YV11", 1, "YMO1", 0., 0., dz, 0, "ONLY");
465 cpar0[0] = (kZvac4-kZvac3)/2;
467 cpar0[2] = cpar0[1]+dVacuS;
468 cpar0[3] = cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
469 cpar0[4] = cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
470 gMC->Gsvolu("YV12", "CONE", idtmed[kSteel], cpar0, 5);
471 Float_t r2V=cpar0[3];
475 cpar[1] = cpar0[1]+dTubeS;
476 cpar[2] = cpar0[1]+dTubeS+kDInsuS;
477 cpar[3] = cpar0[3]+dTubeS;
478 cpar[4] = cpar0[3]+dTubeS+kDInsuS;
479 gMC->Gsvolu("YI12", "CONE", idtmed[kInsulation], cpar, 5);
480 gMC->Gspos("YI12", 1, "YV12", 0., 0., 0., 0, "ONLY");
483 gMC->Gspos("YV12", 1, "YMO1", 0., 0., dz, 0, "ONLY");
487 // Between first and second bellow section
493 dl=(kZvac7-kZvac4)/2.;
503 par2[9] = -dl+(kZvac6-kZvac4);
504 par2[10] = r2+(kZvac6-kZvac4-10.) * TMath::Tan(kThetaOpen2);
507 par2[12] = -dl+(kZvac6-kZvac4);
509 par2[14] = kZvac6*TMath::Tan(kAccMin);
511 // Start of Pb section
512 par2[15] = -dl+(kZPb-kZvac4);
513 par2[16] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
514 par2[17] = kZPb*TMath::Tan(kAccMin);
516 // end of cone following 2 deg line
517 par2[18] = -dl+(kZConeE-kZvac4);
518 par2[19] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
521 par2[21] = -dl+(kZch31-kZvac4);
522 par2[22] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
525 par2[24] = -dl+(kZch31-kZvac4);
526 par2[25] = r2+(kZch31-kZvac4-10.) * TMath::Tan(kThetaOpen2);
529 par2[27] = -dl+(kZch32-kZvac4);
530 par2[28] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
533 par2[30] = -dl+(kZch32-kZvac4);
534 par2[31] = r2+(kZch32-kZvac4-10.) * TMath::Tan(kThetaOpen2);
537 par2[33] = -dl+(kZvac7-kZvac4);
538 par2[34] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
541 gMC->Gsvolu("YGO2", "PCON", idtmed[kSteel+40], par2, 36);
550 Float_t dlPb=(kZvac7-kZPb)/2.;
553 parPb[4] = r2+(kZPb-kZvac4-10.) * TMath::Tan(kThetaOpen2);
554 parPb[5] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
556 parPb[6] = -dlPb+(kZConeE-kZPb);
557 parPb[7] = r2+(kZConeE-kZvac4-10.) * TMath::Tan(kThetaOpen2);
561 parPb[10] = r2+(kZvac7-kZvac4-10.) * TMath::Tan(kThetaOpen2);
564 gMC->Gsvolu("YXO2", "PCON", idtmed[kPb], parPb, 12);
565 gMC->Gspos("YXO2", 1, "YGO2", 0., 0., (kZPb-kZvac4)/2., 0, "ONLY");
574 Float_t dlW=(kZPb-kZvac4)/2.;
578 parW[5] = kR21-kDRSteel2;
580 parW[6] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
581 parW[7] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
582 parW[8] = kR21-kDRSteel2;
584 parW[9] = -dlW+(kZvac6-kZvac4)+kDRSteel2;
585 parW[10] = r2+(kZvac6-kZvac4+kDRSteel2) * TMath::Tan(kThetaOpen2);
586 parW[11] = (kZvac6+kDRSteel2)*TMath::Tan(kAccMin)-kDRSteel2;
589 parW[13] = r2+(kZPb-kZvac4) * TMath::Tan(kThetaOpen2);
590 parW[14] = kZPb*TMath::Tan(kAccMin)-kDRSteel2;
592 gMC->Gsvolu("YYO2", "PCON", idtmed[kNiCuW], parW, 15);
593 gMC->Gspos("YYO2", 1, "YGO2", 0., 0., -(kZvac7-kZPb)/2., 0, "ONLY");
595 for (i=4; i<35; i+=3) par2[i] = 0;
597 gMC->Gsvolu("YMO2", "PCON", idtmed[kVacuum+40], par2, 36);
598 gMC->Gspos("YGO2", 1, "YMO2", 0., 0., 0., 0, "ONLY");
600 gMC->Gspos("YMO2", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
604 // 2nd section: vacuum system
606 cpar0[0]=(kZvac7-kZvac4)/2;
609 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
610 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpenB);
611 gMC->Gsvolu("YV21", "CONE", idtmed[kSteel+40], cpar0, 5);
615 cpar[1]=cpar0[1]+dTubeS;
616 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
617 cpar[3]=cpar0[3]+dTubeS;
618 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
619 gMC->Gsvolu("YI21", "CONE", idtmed[kInsulation+40], cpar, 5);
620 gMC->Gspos("YI21", 1, "YV21", 0., 0., 0., 0, "ONLY");
621 gMC->Gspos("YV21", 1, "YMO2", 0., 0., 0., 0, "ONLY");
624 // Third Section: Bellows and Flange
629 dl=(kZvac9-kZvac7)/2.;
632 par3[4] = r2+(kZvac7-kZvac3) * TMath::Tan(kThetaOpen2);
636 par3[7] = par3[4]+kDr21;
639 par3[9] = par3[6]+kDB2;
643 par3[12] = par3[9]+kDr22;
644 par3[13] = par3[10]+kDr22;
647 par3[15] = par3[12]+kDF2;
651 par3[18] = par3[15]+kDr22;
652 par3[19] = par3[16]-kDr22;
655 par3[21] = par3[18]+kDB2;
659 par3[24] = par3[21]+kDr23;
666 gMC->Gsvolu("YGO3", "PCON", idtmed[iHeavy+40], par3, 27);
668 for (i=4; i<26; i+=3) par3[i] = 0;
670 gMC->Gsvolu("YMO3", "PCON", idtmed[kVacuum+40], par3, 27);
671 gMC->Gspos("YGO3", 1, "YMO3", 0., 0., 0., 0, "ONLY");
678 gMC->Gsvolu("YS31", "TUBE", idtmed[kSteel], tpar, 3);
679 gMC->Gspos("YS31", 1, "YGO3", 0., 0., 0., 0, "ONLY");
681 gMC->Gspos("YMO3", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
685 // 3rd section: vacuum system
693 gMC->Gsvolu("YB21", "TUBE", idtmed[kSteel+40], tpar, 3);
696 tpar[0]=kRB2+kHB2-kEB2;
698 tpar[2]=(kLB2/2.-2.*kEB2)/2.;
699 gMC->Gsvolu("YB22", "TUBE", idtmed[kSteel+40], tpar, 3);
705 gMC->Gsvolu("YB23", "TUBE", idtmed[kSteel+40], tpar, 3);
712 gMC->Gsvolu("YBU2", "TUBE", idtmed[kVacuum+40], tpar, 3);
715 gMC->Gspos("YB23", 1, "YBU2", 0., 0., dz, 0, "ONLY");
718 gMC->Gspos("YB21", 1, "YBU2", 0., 0., dz, 0, "ONLY");
721 gMC->Gspos("YB22", 1, "YBU2", 0., 0., dz, 0, "ONLY");
724 gMC->Gspos("YB21", 2, "YBU2", 0., 0., dz, 0, "ONLY");
727 gMC->Gspos("YB23", 2, "YBU2", 0., 0., dz, 0, "ONLY");
733 gMC->Gsvolu("YBM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
736 for (i=0; i<7; i++) {
737 gMC->Gspos("YBU2", i+1 , "YBM2", 0., 0.,dz , 0, "ONLY");
741 dz=-dl+kDr21+tpar[2];
742 gMC->Gspos("YBM2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
745 gMC->Gspos("YBM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
753 gMC->Gsvolu("YFM2", "TUBE", idtmed[kVacuum+40], tpar, 3);
758 gMC->Gsvolu("YF21", "TUBE", idtmed[kSteel+40], tpar, 3);
759 gMC->Gspos("YF21", 1, "YFM2", 0., 0., 0., 0, "ONLY");
764 gMC->Gsvolu("YF22", "TUBE", idtmed[kSteel+40], tpar, 3);
766 gMC->Gspos("YF22", 1, "YFM2", 0., 0., dz, 0, "ONLY");
768 gMC->Gspos("YF22", 2, "YFM2", 0., 0., dz, 0, "ONLY");
770 dz=kDr21/2.-kDr23/2.;
771 gMC->Gspos("YFM2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
775 // pipe between flange and bellows
778 tpar[2]=2.*(kDB2+kDr22-7.*kLB2)/4.;
779 gMC->Gsvolu("YPF2", "TUBE", idtmed[kSteel+40], tpar, 3);
780 dz=kDr21/2.-kDr23/2.-kDF2/2.-tpar[2];
781 gMC->Gspos("YPF2", 1, "YMO3", 0., 0., dz, 0, "ONLY");
782 dz=kDr21/2.-kDr23/2.+kDF2/2.+tpar[2];
783 gMC->Gspos("YPF2", 2, "YMO3", 0., 0., dz, 0, "ONLY");
788 // 4th section: rear shield and closing cone
793 dl=(kZvac12-kZvac9)/2.;
803 par4[9] = -dl+(kZvac10-kZvac9);
804 par4[10] = r3+(kZvac10-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
811 par4[15] = -dl+(kZvac11-kZvac9);
812 par4[16] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
819 par4[21] = -dl+(kZvac12-kZvac9);
820 par4[22] = kRVacu+dVacuS;
823 gMC->Gsvolu("YGO4", "PCON", idtmed[iHeavy+40], par4, 24);
825 // parPb[0] = (kZvac12-kZvac10)/2.;
826 // parPb[1] = parPb[3];
828 // parPb[3] = parPb[1]+2.*parPb[0]*TMath::Tan(kThetaOpenPb);
830 // gMC->Gsvolu("YXO5", "CONE", idtmed[kPb], parPb, 5);
831 // gMC->Gspos("YXO5", 1, "YGO4", 0., 0., -dl+(kZvac10-kZvac9)+parPb[0], 0, "ONLY");
833 for (i=4; i<23; i+=3) par4[i] = 0;
835 gMC->Gsvolu("YMO4", "PCON", idtmed[kVacuum+40], par4, 24);
836 gMC->Gspos("YGO4", 1, "YMO4", 0., 0., 0., 0, "ONLY");
841 gMC->Gspos("YMO4", 1, "YMOT", 0., 0., dZ, 0, "ONLY");
844 // Closing concrete cone
846 cpar[0]=(kZvac12-kZvac11)/2.;
847 cpar[1] = r3+(kZvac11-kZvac9-dHorZ) * TMath::Tan(kThetaOpen3);
848 cpar[2] = cpar[1]+0.001;
849 cpar[3] = kRVacu+dVacuS;
851 gMC->Gsvolu("YCC4", "CONE", idtmed[kConcrete+40], cpar, 5);
853 gMC->Gspos("YCC4", 1, "YGO4", 0., 0., dz, 0, "ONLY");
860 tpar[2]=(kZvac10-kZvac9)/2.;
861 gMC->Gsvolu("YS41", "TUBE", idtmed[kSteel], tpar, 3);
863 gMC->Gspos("YS41", 1, "YGO4", 0., 0., dz, 0, "ONLY");
866 tpar[0]=kR41-kDRSteel2;
868 tpar[2]=(kZvac11-kZvac10)/2.;
869 gMC->Gsvolu("YS43", "TUBE", idtmed[kPb], tpar, 3);
871 gMC->Gspos("YS43", 1, "YGO4", 0., 0., dz, 0, "ONLY");
877 tpar[2]=(kZvac11-kZvac10)/2.;
878 gMC->Gsvolu("YPBI", "TUBE", idtmed[kPb+40], tpar, 3);
880 gMC->Gspos("YPBI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
884 tpar[2]=(kZvac11-kZvac10)/2.;
885 gMC->Gsvolu("YPBO", "TUBE", idtmed[kPb], tpar, 3);
886 gMC->Gspos("YPBO", 1, "YPBI", 0., 0., 0., 0, "ONLY");
894 tpar[2]=(kZvac12-kZvac11)/2.;
895 gMC->Gsvolu("YFEI", "TUBE", idtmed[kFe+40], tpar, 3);
897 gMC->Gspos("YFEI", 1, "YGO4", 0., 0., dz, 0, "ONLY");
902 gMC->Gsvolu("YFEO", "TUBE", idtmed[kFe], tpar, 3);
903 dz=-(kZvac12-kZvac11)/2.+tpar[2];
904 gMC->Gspos("YFEO", 1, "YFEI", 0., 0., dz, 0, "ONLY");
911 gMC->Gsvolu("YAEM", "TUBE", idtmed[kAir], tpar, 3);
915 gMC->Gsvolu("YFEM", "TUBE", idtmed[kFe], tpar, 3);
916 gMC->Gspos("YFEM", 1, "YAEM", 0., 0., 0., 0, "ONLY");
920 gMC->Gspos("YAEM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
924 // 4th section: vacuum system
926 // up to closing cone
928 Float_t r3V=r3-kDr23+dVacuS-1.6;
930 cpar0[0]=(kZvac11-kZvac9)/2;
933 cpar0[3]=cpar0[1]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
934 cpar0[4]=cpar0[2]+2.*cpar0[0]*TMath::Tan(kThetaOpen3);
935 gMC->Gsvolu("YV31", "CONE", idtmed[kSteel+40], cpar0, 5);
939 cpar[1]=cpar0[1]+dTubeS;
940 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
941 cpar[3]=cpar0[3]+dTubeS;
942 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
943 gMC->Gsvolu("YI31", "CONE", idtmed[kInsulation+40], cpar, 5);
944 gMC->Gspos("YI31", 1, "YV31", 0., 0., 0., 0, "ONLY");
946 gMC->Gspos("YV31", 1, "YMO4", 0., 0., dz, 0, "ONLY");
949 cpar0[0]=(kZvac12-kZvac11)/2;
950 cpar0[1]=r3V-dVacuS+(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
951 cpar0[2]=r3V +(kZvac11-kZvac9)*TMath::Tan(kThetaOpen3);
953 cpar0[4]=kRVacu+dTubeS+kDInsuS+kDProtS+kDFreeS;
954 gMC->Gsvolu("YV32", "CONE", idtmed[kSteel+40], cpar0, 5);
958 cpar[1]=cpar0[1]+dTubeS;
959 cpar[2]=cpar0[1]+dTubeS+kDInsuS;
960 cpar[3]=cpar0[3]+dTubeS;
961 cpar[4]=cpar0[3]+dTubeS+kDInsuS;
962 gMC->Gsvolu("YI32", "CONE", idtmed[kInsulation+40], cpar, 5);
963 gMC->Gspos("YI32", 1, "YV32", 0., 0., 0., 0, "ONLY");
966 // cpar[1]=cpar0[2]-kDProtS-kDFreeS;
967 // cpar[2]=cpar0[2]-kDProtS;
968 // cpar[3]=cpar0[4]-kDProtS-kDFreeS;
969 // cpar[4]=cpar0[4]-kDProtS;
970 // gMC->Gsvolu("YP32", "CONE", idtmed[kVacuum+40], cpar, 5);
971 // gMC->Gspos("YP32", 1, "YV32", 0., 0., 0., 0, "ONLY");
974 gMC->Gspos("YV32", 1, "YMO4", 0., 0., dz, 0, "ONLY");
981 tpar[2] = (kZFilterOut - kZFilterIn) / 2.;
982 gMC->Gsvolu("YFIM", "TUBE", idtmed[kFe+40], tpar, 3);
983 dz = (kZFilterIn + kZFilterOut) / 2.;
985 gMC->Gsvolu("YFII","TUBE", idtmed[kFe], tpar, 3);
986 gMC->Gspos("YFII", 1, "YFIM", 0., 0., 0., 0, "ONLY");
987 gMC->Gspos("YFIM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
989 // Shielding close to chamber
992 cpar[0]=(kZch11-kZRear)/2.;
994 cpar[2]=kZRear*TMath::Tan(kAccMin);
996 cpar[4]=(kZRear+2.*cpar[0])*TMath::Tan(kAccMin);
997 gMC->Gsvolu("YCS1", "CONE", idtmed[kNiCuW], cpar, 5);
998 dz=-(kZvac12-zstart)/2.+(kZRear-zstart)+cpar[0];
999 gMC->Gspos("YCS1", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1001 cpar[0]=(kZvac4-kZch12)/2.;
1003 cpar[2]=kZch12*TMath::Tan(kAccMin);
1005 cpar[4]=(kZch12+2.*cpar[0])*TMath::Tan(kAccMin);
1006 gMC->Gsvolu("YCS3", "CONE", idtmed[kNiCuW], cpar, 5);
1007 dz=-(kZvac12-zstart)/2.+(kZch12-zstart)+cpar[0];
1008 gMC->Gspos("YCS3", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1013 cpar[0]=(kZch12-kZch11)/2.;
1018 gMC->Gsvolu("YCS2", "CONE", idtmed[kAir], cpar, 5);
1019 dz=-(kZvac12-zstart)/2.+(kZch11-zstart)+cpar[0];
1020 gMC->Gspos("YCS2", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1029 gMC->Gsvolu("YCR0", "TUBS", idtmed[kNiCuW], ptubs, 0);
1032 AliMatrix(idrotm[1701],90., 0., 90., 90., 0., 0.);
1033 AliMatrix(idrotm[1702],90., 90., 90., 180., 0., 0.);
1034 AliMatrix(idrotm[1703],90., 180., 90., 270., 0., 0.);
1035 AliMatrix(idrotm[1704],90., 270., 90., 0., 0., 0.);
1042 gMC->Gsposp("YCR0", 1, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1043 gMC->Gsposp("YCR0", 2, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1049 gMC->Gsposp("YCR0", 3, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1050 gMC->Gsposp("YCR0", 4, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1056 gMC->Gsposp("YCR0", 5, "YCS2", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1057 gMC->Gsposp("YCR0", 6, "YCS2", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1063 gMC->Gsposp("YCR0", 7, "YCS2", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1064 gMC->Gsposp("YCR0", 8, "YCS2", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1070 cpar[0]=(kZch21-kZvac4)/2.;
1072 cpar[2]=kZvac4*TMath::Tan(kAccMin);
1074 cpar[4]=(kZvac4+2.*cpar[0])*TMath::Tan(kAccMin);
1075 gMC->Gsvolu("YCS4", "CONE", idtmed[kNiCuW], cpar, 5);
1076 dz=-(kZvac12-zstart)/2.+(kZvac4-zstart)+cpar[0];
1077 gMC->Gspos("YCS4", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1079 cpar[0]=(kZvac6-kZch22)/2.;
1081 cpar[2]=kZch22*TMath::Tan(kAccMin);
1083 cpar[4]=(kZch22+2.*cpar[0])*TMath::Tan(kAccMin);
1084 gMC->Gsvolu("YCS6", "CONE", idtmed[kNiCuW], cpar, 5);
1085 dz=-(kZvac12-zstart)/2.+(kZch22-zstart)+cpar[0];
1086 gMC->Gspos("YCS6", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1090 cpar[0]=(kZch22-kZch21)/2.;
1095 gMC->Gsvolu("YCS5", "CONE", idtmed[kAir], cpar, 5);
1096 dz=-(kZvac12-zstart)/2.+(kZch21-zstart)+cpar[0];
1097 gMC->Gspos("YCS5", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1104 gMC->Gsvolu("YCR1", "TUBS", idtmed[kNiCuW], ptubs, 0);
1110 gMC->Gsposp("YCR1", 1, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1111 gMC->Gsposp("YCR1", 2, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1117 gMC->Gsposp("YCR1", 3, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1118 gMC->Gsposp("YCR1", 4, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1124 gMC->Gsposp("YCR1", 5, "YCS5", 0., 0., dz, idrotm[1701], "ONLY", ptubs, 5);
1125 gMC->Gsposp("YCR1", 6, "YCS5", 0., 0., dz, idrotm[1703], "ONLY", ptubs, 5);
1131 gMC->Gsposp("YCR1", 7, "YCS5", 0., 0., dz, idrotm[1702], "ONLY", ptubs, 5);
1132 gMC->Gsposp("YCR1", 8, "YCS5", 0., 0., dz, idrotm[1704], "ONLY", ptubs, 5);
1140 dl = (kZvac10-kZch32)/2.;
1149 par0[ 5] = 30.+(kZch32-kZConeE)*TMath::Tan(kThetaOpenPbO);
1152 par0[ 6] = -dz + kZch41;
1154 par0[ 8] = 30.+(kZch41-kZConeE)*TMath::Tan(kThetaOpenPbO);
1156 par0[ 9] = -dz + kZch41;
1160 par0[12] = -dz + kZch42;
1162 par0[14] = par0[11];
1164 par0[15] = -dz + kZch42;
1166 par0[17] = 30.+(kZch42-kZConeE)*TMath::Tan(kThetaOpenPbO);
1169 par0[18] = -dz + kZch51;
1171 par0[20] = 30.+(kZch51-kZConeE)*TMath::Tan(kThetaOpenPbO);
1173 par0[21] = -dz + kZch51;
1175 par0[23] = 37.5; // recess erice2000
1177 par0[24] = -dz + kZch52;
1179 par0[26] = par0[23];
1181 par0[27] = -dz + kZch52;
1183 par0[29] = 30.+(kZch52-kZConeE)*TMath::Tan(kThetaOpenPbO);
1187 par0[32] = par0[29];
1189 gMC->Gsvolu("YOPB", "PCON", idtmed[kPb], par0, 33);
1190 dz = -(kZvac12-zstart)/2. + (kZch32-zstart) + dl;
1191 gMC->Gspos("YOPB", 1, "YMOT", 0., 0., dz, 0, "ONLY");
1195 void AliSHILv0::Init()
1198 // Initialise the muon shield after it has been built
1203 if(AliLog::GetGlobalDebugLevel()>0) {
1204 printf("\n%s: ",ClassName());
1205 for(i=0;i<35;i++) printf("*");
1206 printf(" SHILv0_INIT ");
1207 for(i=0;i<35;i++) printf("*");
1208 printf("\n%s: ",ClassName());
1210 // Here the SHIL initialisation code (if any!)
1211 for(i=0;i<80;i++) printf("*");