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 // Magnetic Dipole version 1 //
24 <img src="picts/AliDIPOv2Class.gif">
27 <font size=+2 color=red>
28 <p>The responsible person for this module is
29 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
37 #include <TGeoGlobalMagField.h>
38 #include <TGeoVolume.h>
39 #include <TVirtualMC.h>
42 #include "AliDIPOv2.h"
48 //_____________________________________________________________________________
49 AliDIPOv2::AliDIPOv2()
52 // Last design of magnetic dipole version 2
56 //_____________________________________________________________________________
57 AliDIPOv2::AliDIPOv2(const char *name, const char *title)
61 // Standard constructor for the magnetic dipole version 2
64 void AliDIPOv2::CreateGeometry()
67 // Creation of the geometry of the magnetic DIPOLE version 2
70 CreateSpectrometerDipole();
71 CreateCompensatorDipole();
75 //_____________________________________________________________________________
76 void AliDIPOv2::CreateSpectrometerDipole()
79 // Creation of the geometry of the magnetic DIPOLE version 2
82 Float_t cpar[5], tpar[18], ypar[12];
85 Float_t accMax, the1, phi1, the2, phi2, the3, phi3;
87 Int_t *idtmed = fIdtmed->GetArray()-1799;
89 // const Int_t kCoil = 1813;
90 // const Int_t kCable= 1811;
92 const Int_t kCoil = 1808;
93 const Int_t kCable= 1808;
95 accMax = 9.; // ANGLE POLAIRE MAXIMUM
98 const Float_t kZDipole = 975;
104 tpar[ 3] = -250.55 + kZDipole;
108 tpar[ 6] = 37. + kZDipole;
112 tpar[ 9] = 37. + kZDipole;
113 tpar[10] = tpar[ 9] * TMath::Tan(2. * TMath::Pi() / 180.);
116 tpar[12] = 260.55 + kZDipole;
117 tpar[13] = tpar[12] * TMath::Tan(2. * TMath::Pi() / 180.);
119 gMC->Gsvolu("DDIP", "PCON", idtmed[1874], tpar, 15);
129 gMC->Gsvolu("DC1 ", "TUBS", idtmed[kCoil+40], cpar, 5);
132 gMC->Gsvolu("DC2 ", "TUBS", idtmed[kCoil+40], cpar, 5);
134 // coil - low cuts cuts
136 // cpar[1] = cpar[0] + 10.;
141 gMC->Gsvolu("DC3 ", "TUBS", idtmed[kCoil], cpar, 5);
146 gMC->Gsvolu("DC4 ", "TUBS", idtmed[kCoil], cpar, 5);
148 gMC->Gspos("DC3 ", 1, "DC1 ", 0., 0., 0., 0, "ONLY");
149 gMC->Gspos("DC4 ", 1, "DC2 ", 0., 0., 0., 0, "ONLY");
151 // dz = 37.65 - 243.55
154 gMC->Gspos("DC1 ", 1, "DDIP", dx, 0., dz+kZDipole, 0, "ONLY");
155 gMC->Gspos("DC1 ", 2, "DDIP", dx, 0., -dz+kZDipole, 0, "ONLY");
156 gMC->Gspos("DC2 ", 1, "DDIP", -dx, 0., dz+kZDipole, 0, "ONLY");
157 gMC->Gspos("DC2 ", 2, "DDIP", -dx, 0., -dz+kZDipole, 0, "ONLY");
164 AliMatrix(idrotm[1800], the1, phi1, the2, phi2, the3, phi3);
168 AliMatrix(idrotm[1801], the1, phi1, the2, phi2, the3, phi3);
175 AliMatrix(idrotm[1802], the1, phi1, the2, phi2, the3, phi3);
179 AliMatrix(idrotm[1803], the1, phi1, the2, phi2, the3, phi3);
182 cpar[1] = 100.3; //25+75.3
187 gMC->Gsvolu("DC11", "TUBS", idtmed[kCoil+40], cpar, 5);
189 dx = TMath::Sin(30.5*kDegrad) * -(207.+33.5)+5./TMath::Sin(30.5*kDegrad);
190 dy = TMath::Cos(30.5*kDegrad) * -(207.+33.5);
191 dz = cpar[1] - 243.55-2.45;
192 gMC->Gspos("DC11", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1800], "ONLY");
193 gMC->Gspos("DC11", 2, "DDIP", dx, dy, -dz+kZDipole, idrotm[1802], "ONLY");
194 gMC->Gspos("DC11", 3, "DDIP", -dx, dy, dz+kZDipole, idrotm[1801], "ONLY");
195 gMC->Gspos("DC11", 4, "DDIP", -dx, dy, -dz+kZDipole, idrotm[1803], "ONLY");
201 cpar[1] = 100.3; //25+75.3
206 gMC->Gsvolu("DC12", "TUBS", idtmed[kCoil+40], cpar, 5);
208 dx = TMath::Sin(30.5*kDegrad) * -(207.+33.5)+5./TMath::Sin(30.5*kDegrad);
209 dy = TMath::Cos(30.5*kDegrad) *(207.+33.5);
210 dz = cpar[1] - 243.55-2.45;
211 gMC->Gspos("DC12", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1801], "ONLY");
212 gMC->Gspos("DC12", 2, "DDIP", dx, dy, -dz+kZDipole, idrotm[1803], "ONLY");
213 gMC->Gspos("DC12", 3, "DDIP", -dx, dy, dz+kZDipole, idrotm[1800], "ONLY");
214 gMC->Gspos("DC12", 4, "DDIP", -dx, dy, -dz+kZDipole, idrotm[1802], "ONLY");
222 AliMatrix(idrotm[1804], the1, phi1, the2, phi2, the3, phi3);
227 AliMatrix(idrotm[1805], the1, phi1, the2, phi2, the3, phi3);
229 phi1 = 119.; //180 -61
231 phi2 = 209.; //270-61
232 AliMatrix(idrotm[1806], the1, phi1, the2, phi2, the3, phi3);
237 AliMatrix(idrotm[1807], the1, phi1, the2, phi2, the3, phi3);
244 gMC->Gsvolu("DL1 ", "BOX ", idtmed[kCoil+40], tpar, 3);
250 gMC->Gsvolu("DL2 ", "BOX ", idtmed[kCoil], tpar, 3);
251 gMC->Gspos("DL2 ", 1, "DL1 ", dx, 0., 0., 0, "ONLY");
256 gMC->Gspos("DL1 ", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1804], "ONLY");
257 gMC->Gspos("DL1 ", 2, "DDIP", dx, -dy, dz+kZDipole, idrotm[1805], "ONLY");
258 gMC->Gspos("DL1 ", 3, "DDIP",-dx, dy, dz+kZDipole, idrotm[1806], "ONLY");
259 gMC->Gspos("DL1 ", 4, "DDIP",-dx, -dy, dz+kZDipole, idrotm[1807], "ONLY");
265 //Steel outer face planes
273 gMC->Gsvolu("DCO1", "TUBS", idtmed[1818], cpar, 5);
276 gMC->Gspos("DCO1", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
277 dz = 243.55+4.5+1.5+1.;
278 gMC->Gspos("DCO1", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
282 // cpar[0] = 207.-18.6;
283 // cpar[1] = 274.+18.6;
288 gMC->Gsvolu("DCO2", "TUBS", idtmed[1818], cpar, 5);
291 gMC->Gspos("DCO2", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
292 dz = 243.55+4.5+1.5+1.;
293 gMC->Gspos("DCO2", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
305 gMC->Gsvolu("DCO3", "TUBS", idtmed[1812], cpar, 5);
308 gMC->Gspos("DCO3", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
309 dz = 243.55+4.5+0.75;
310 gMC->Gspos("DCO3", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
316 gMC->Gsvolu("DCO4", "TUBS", idtmed[1812], cpar, 5);
319 gMC->Gspos("DCO4", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
320 dz = 243.55+4.5+0.75 ;
321 gMC->Gspos("DCO4", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
332 gMC->Gsvolu("DCO5", "TUBS", idtmed[1810], cpar, 5);
336 gMC->Gspos("DCO5", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
343 gMC->Gsvolu("DCO6", "TUBS", idtmed[1810], cpar, 5);
347 gMC->Gspos("DCO6", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
349 //Steel supported planes
351 cpar[0] = 274.+1.5+2.;
357 gMC->Gsvolu("DCO7", "TUBS", idtmed[1818], cpar, 5);
361 gMC->Gspos("DCO7", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
364 cpar[0] = 274.+1.5+2.;
371 gMC->Gsvolu("DCO8", "TUBS", idtmed[1818], cpar, 5);
375 gMC->Gspos("DCO8", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
379 cpar[0] = 207.- 18.6;
380 cpar[1] = 207.- 2.- 1.5;
385 gMC->Gsvolu("DCO9", "TUBS", idtmed[1818], cpar, 5);
389 gMC->Gspos("DCO9", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
393 cpar[0] = 207.- 18.6;
394 cpar[1] = 207.- 2.- 1.5;
399 gMC->Gsvolu("DCOA", "TUBS", idtmed[1818], cpar, 5);
403 gMC->Gspos("DCOA", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
406 // Sides steel planes
408 cpar[0] = 207. - 1.5 -2.;
409 cpar[1] = 207. - 1.5;
410 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
414 gMC->Gsvolu("DCOB", "TUBS", idtmed[1818], cpar, 5);
416 cpar[0] = 274. + 1.5;
417 cpar[1] = 274. + 1.5 +2.;
419 gMC->Gsvolu("DCOC", "TUBS", idtmed[1818], cpar, 5);
422 dz = ((243.55+4.5+1.5)+168.25)/2;
423 gMC->Gspos("DCOB", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
424 gMC->Gspos("DCOC", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
428 cpar[0] = 207. - 1.5 -2.;
429 cpar[1] = 207. - 1.5;
430 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
434 gMC->Gsvolu("DCOD", "TUBS", idtmed[1818], cpar, 5);
436 cpar[0] = 274. + 1.5;
437 cpar[1] = 274. + 1.5 +2.;
439 gMC->Gsvolu("DCOE", "TUBS", idtmed[1818], cpar, 5);
442 dz = ((243.55+4.5+1.5)+168.25)/2;
443 gMC->Gspos("DCOD", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
444 gMC->Gspos("DCOE", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
447 // Top and bottom resin planes
449 cpar[0] = 207. - 1.5;
451 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
455 gMC->Gsvolu("DCOF", "TUBS", idtmed[1812], cpar, 5);
458 cpar[1] = 274. + 1.5;
460 gMC->Gsvolu("DCOG", "TUBS", idtmed[1812], cpar, 5);
464 dz = ((243.55+4.5+1.5)+168.25)/2;
465 gMC->Gspos("DCOF", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
466 gMC->Gspos("DCOG", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
469 cpar[0] = 207. - 1.5;
471 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
476 gMC->Gsvolu("DCOH", "TUBS", idtmed[1812], cpar, 5);
479 cpar[1] = 274. + 1.5;
481 gMC->Gsvolu("DCOI", "TUBS", idtmed[1812], cpar, 5);
485 dz = ((243.55+4.5+1.5)+168.25)/2;
486 gMC->Gspos("DCOH", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
487 gMC->Gspos("DCOI", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
492 cpar[0] = 274. + 1.5 +2.;
493 cpar[1] = 274. + 1.5 +2. + 80.;
498 gMC->Gsvolu("DCOJ", "TUBS", idtmed[kCable], cpar, 5);
500 // dx = 274. + 1.5 +2. +40.;
501 // dx = 5. + 1.5 +2. +40.;
502 // dx = 5. + 1.5 +2.;
504 dz = 168.25 + 5.05 + 5.05/2;
505 gMC->Gspos("DCOJ", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
507 dz = 243.55 - 5.05/2;
508 gMC->Gspos("DCOJ", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
515 gMC->Gsvolu("DCOK", "TUBS", idtmed[kCable], cpar, 5);
517 // dx = 274. + 1.5 +2. +40.;
518 // dx = 5. + 1.5 +2. +40.;
519 // dx = 5. + 1.5 +2.;
521 dz = 168.25 + 5.05 + 5.05/2;
522 gMC->Gspos("DCOK", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
524 dz = 243.55 - 5.05/2;
525 gMC->Gspos("DCOK", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
530 // Top and bottom blocks
536 gMC->Gsvolu("DY1 ", "BOX ", idtmed[1858], ypar, 3);
543 gMC->Gsvolu("DY11", "TRD1", idtmed[1818], ypar, 4);
544 gMC->Gspos("DY11", 1, "DY1 ", 0., dy, 0., 0, "ONLY");
548 gMC->Gspos("DY1 ", 1, "DDIP", 0., dy, -dz+kZDipole, 0, "ONLY");
556 AliMatrix(idrotm[1808], the1, phi1, the2, phi2, the3, phi3);
557 gMC->Gspos("DY1 ", 2, "DDIP", 0., -dy, -dz+kZDipole, idrotm[1808] , "ONLY");
560 // ypar[0] = 579./2.;
567 ypar[6] = 4.3058039629;
572 ypar[10] = 4.3058039629;
576 gMC->Gsvolu("DY2 ", "TRAP", idtmed[1858], ypar,11);
587 gMC->Gsvolu("DY22", "TRAP", idtmed[1818], ypar,11);
592 gMC->Gspos("DY22", 1, "DY2 ", dx, dy, 0., 0, "ONLY");
600 AliMatrix(idrotm[1809], the1, phi1, the2, phi2, the3, phi3);
608 AliMatrix(idrotm[1810], the1, phi1, the2, phi2, the3, phi3);
613 gMC->Gspos("DY2 ", 1, "DDIP", dx, 0.0, dz+kZDipole, idrotm[1809], "ONLY");
614 gMC->Gspos("DY2 ", 2, "DDIP", -dx, 0.0, dz+kZDipole, idrotm[1810], "ONLY");
616 AliMatrix(idrotm[1811], 270., 0., 90., 90., 180., 0.);
617 gMC->Gspos("DDIP", 1, "ALIC", 0., 0., 0., idrotm[1811], "ONLY");
618 gMC->Gsatt("DDIP", "SEEN", 0);
622 void AliDIPOv2::CreateCompensatorDipole()
625 // Geometry of the compensator Dipole MBWMD (was MCB @ SPS)
626 // LAB I/EA Note 74.10
629 const Float_t kHCoil = 22.; // Coil Height
630 const Float_t kWCoil = 12.; // Coil Width
631 const Float_t kLCoilH = 250.; // Hor. Coil Length
632 const Float_t kRCoilC = 31.; // Circ Coil Radius
633 const Float_t kWBase = 125.; // Base Width
634 const Float_t kHBase = 30.; // Base Height
636 const Float_t kWUYoke = 16.;
637 const Float_t kHUYoke = 31.;
639 const Float_t kWLYoke = 50.0;
640 const Float_t kHLYoke = 61.0;
641 const Float_t kLLYoke = kLCoilH + kRCoilC;
643 const Float_t kWApperture = 12.;
644 const Float_t kDCoil = kHUYoke + kHLYoke - 6. - 2. * kRCoilC;
646 const Float_t kH = kHBase + kHUYoke + kHLYoke;
648 Int_t *idtmed = fIdtmed->GetArray()-1799;
653 TGeoVolumeAssembly* asDCM0 = new TGeoVolumeAssembly("DCM0");
654 asDCM0->SetName("DCM0");
657 // Mother volume containing lower coil
658 pbox[0] = kWLYoke / 2.;
659 pbox[1] = kHLYoke / 2.;
660 pbox[2] = kLLYoke / 2.;
662 gMC->Gsvolu("DCML", "BOX", idtmed[1809 + 40], pbox, 3);
665 pbox[0] = kWBase / 2.;
666 pbox[1] = kHBase / 2.;
667 gMC->Gsvolu("DCBA", "BOX", idtmed[1809 + 40], pbox, 3);
669 // Coil: straight sections, horizontal
670 pbox[0] = kWCoil / 2.;
671 pbox[1] = kHCoil / 2.;
672 pbox[2] = kLCoilH / 2.;
673 gMC->Gsvolu("DCH1", "BOX", idtmed[1816 + 40], pbox, 3);
675 // Coil: straight sections, horizontal
676 pbox[0] = kWCoil / 2.;
677 pbox[1] = kHCoil / 2.;
678 pbox[2] = kLCoilH / 2.;
679 gMC->Gsvolu("DCH2", "BOX", idtmed[1816 + 40], pbox, 3);
682 // Mother volume containing upper coil
683 pbox[0] = kWUYoke / 2.;
684 pbox[1] = kHUYoke / 2.;
685 pbox[2] = kLCoilH / 2.;
686 gMC->Gsvolu("DCMU", "BOX", idtmed[1809 + 40], pbox, 3);
689 // Coil: straight sections, vertical
690 pbox[0] = kWCoil / 2.;
691 pbox[1] = kDCoil / 2.;
692 pbox[2] = kHCoil / 2.;
694 gMC->Gsvolu("DCCV", "BOX", idtmed[1816 + 40], pbox, 3);
696 // Coil: circular section
699 ptubs[0] = kRCoilC - kHCoil;
701 ptubs[2] = kWCoil / 2.;
704 gMC->Gsvolu("DCC1", "TUBS", idtmed[1816 + 40], ptubs, 5);
718 gMC->Gsvolu("DCLA", "PGON", idtmed[1809 + 40], ppgon, 10);
722 AliMatrix(idrotm[1811], -90., 0., 90., 90., 0., 0.);
723 AliMatrix(idrotm[1812], 0., 0., 90., 90., 90., 0.);
724 AliMatrix(idrotm[1813], 180., 0., 90., 90., 90., 0.);
725 AliMatrix(idrotm[1814], 0., 180., 90., 270., 90., 0.);
726 AliMatrix(idrotm[1815], 180., 180., 90., 270., 90., 0.);
731 dy0 = -kH / 2. + kHBase/2.;
732 gMC->Gspos("DCBA", 1, "DCM0", 0., dy0, 15.0, 0, "ONLY");
735 dx = ( kWLYoke - kWCoil) / 2.;
736 dy = (-kHLYoke + kHCoil) / 2. + 6.;
737 gMC->Gspos("DCH1", 1, "DCML", dx, dy, -kRCoilC / 2., 0, "ONLY");
738 // Lower mother volume
739 dx = (kWLYoke + kWApperture) / 2.;
740 dy0 += (kHBase + kHLYoke) / 2.;
741 gMC->Gspos("DCML", 1, "DCM0", -dx, dy0, kRCoilC / 2., 0, "ONLY");
742 gMC->Gspos("DCML", 2, "DCM0", +dx, dy0, kRCoilC / 2., idrotm[1811], "ONLY");
744 dx = (kWUYoke - kWCoil) / 2.;
745 dy = (kHUYoke - kHCoil) / 2;
747 gMC->Gspos("DCH2", 1, "DCMU", dx, dy, 0., 0, "ONLY");
748 // Upper mother volume
749 dx = (kWUYoke + kWApperture) / 2.;
750 dy0 += (kHLYoke + kHUYoke) / 2.;
751 gMC->Gspos("DCMU", 1, "DCM0", -dx, dy0, 0., 0, "ONLY");
752 gMC->Gspos("DCMU", 2, "DCM0", +dx, dy0, 0., idrotm[1811], "ONLY");
755 dx = (kWCoil + kWApperture) / 2.;
756 dy = kH / 2. - kDCoil / 2. - kRCoilC;
757 dz = (kLCoilH - kHCoil) / 2. + kRCoilC;
758 gMC->Gspos("DCCV", 1, "DCM0", dx, dy, -dz, 0, "ONLY");
759 gMC->Gspos("DCCV", 2, "DCM0", -dx, dy, -dz, 0, "ONLY");
761 dx = (kWLYoke - kWCoil) / 2.;
762 dy = -kHLYoke / 2. + kDCoil / 2. + 6. + kRCoilC;
763 dz = kLLYoke / 2. - kHCoil / 2.;
765 gMC->Gspos("DCCV", 3, "DCML", dx, dy, dz, 0, "ONLY");
770 dx = (kWCoil + kWApperture) / 2.;
771 dy = dy0 + kHUYoke / 2. - kRCoilC;
773 gMC->Gspos("DCC1", 1, "DCM0", -dx, dy, dz, idrotm[1812], "ONLY");
774 gMC->Gspos("DCC1", 2, "DCM0", +dx, dy, dz, idrotm[1812], "ONLY");
775 gMC->Gspos("DCC1", 3, "DCM0", +dx, dy, -dz, idrotm[1813], "ONLY");
776 gMC->Gspos("DCC1", 4, "DCM0", -dx, dy, -dz, idrotm[1813], "ONLY");
777 dy = -kH / 2. + kHBase + 6. + kRCoilC;
778 gMC->Gspos("DCC1", 5, "DCM0", +dx, dy, -dz, idrotm[1815], "ONLY");
779 gMC->Gspos("DCC1", 6, "DCM0", -dx, dy, -dz, idrotm[1815], "ONLY");
781 dx = ( kWLYoke - kWCoil) / 2.;
782 dy = -kHLYoke / 2. + 6. + kRCoilC;
783 dz = kLLYoke / 2. - kRCoilC;
784 gMC->Gspos("DCC1", 7, "DCML", dx, dy, dz, idrotm[1814], "ONLY");
787 dx = kWApperture / 2. + kWUYoke;
788 dy = -kH / 2. + kHLYoke + kHBase;
791 gMC->Gspos("DCLA", 1, "DCM0", dx, dy, -119., 0, "ONLY");
792 gMC->Gspos("DCLA", 2, "DCM0", dx, dy, -44., 0, "ONLY");
793 gMC->Gspos("DCLA", 3, "DCM0", dx, dy, 46., 0, "ONLY");
794 gMC->Gspos("DCLA", 4, "DCM0", dx, dy, 119., 0, "ONLY");
796 gMC->Gspos("DCLA", 5, "DCM0", -dx, dy, -119., idrotm[1811], "ONLY");
797 gMC->Gspos("DCLA", 6, "DCM0", -dx, dy, -44., idrotm[1811], "ONLY");
798 gMC->Gspos("DCLA", 7, "DCM0", -dx, dy, 46., idrotm[1811], "ONLY");
799 gMC->Gspos("DCLA", 8, "DCM0", -dx, dy, 119., idrotm[1811], "ONLY");
802 AliMatrix(idrotm[1816], 270., 0., 90., 90., 180., 0.);
803 gMC->Gspos("DCM0", 1, "ALIC", 0., -12., 1075., idrotm[1816], "ONLY");
806 //_____________________________________________________________________________
807 void AliDIPOv2::DrawModule() const
810 // Draw a shaded view of the muon absorber
813 // Set everything unseen
814 gMC->Gsatt("*", "seen", -1);
816 // Set ALIC mother transparent
817 gMC->Gsatt("ALIC","SEEN",0);
819 // Set the volumes visible
820 gMC->Gsatt("DDIP","seen",0);
821 gMC->Gsatt("DC1 ","seen",1);
822 gMC->Gsatt("DC2 ","seen",1);
823 gMC->Gsatt("DC3 ","seen",1);
824 gMC->Gsatt("DC4 ","seen",1);
825 gMC->Gsatt("DC11","seen",1);
826 gMC->Gsatt("DC21","seen",1);
827 gMC->Gsatt("DC12","seen",1);
828 gMC->Gsatt("DC22","seen",1);
829 gMC->Gsatt("DL1 ","seen",1);
830 gMC->Gsatt("DL2 ","seen",1);
831 gMC->Gsatt("DY1 ","seen",1);
832 gMC->Gsatt("DY2 ","seen",1);
833 gMC->Gsatt("DYL ","seen",1);
834 gMC->Gsatt("DY3 ","seen",1);
835 // gMC->Gsatt("DY4 ","seen",1);
836 // gMC->Gsatt("DY5 ","seen",1);
837 // gMC->Gsatt("DY6 ","seen",1);
838 // gMC->Gsatt("DY7 ","seen",1);
840 gMC->Gdopt("hide", "on");
841 gMC->Gdopt("shad", "on");
842 gMC->Gsatt("*", "fill", 7);
843 gMC->SetClipBox(".");
844 gMC->SetClipBox(".");
846 gMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
847 gMC->Gdhead(1111, "Magnetic Dipole Version 2");
848 gMC->Gdman(16, 4, "MAN");
854 //_____________________________________________________________________________
855 void AliDIPOv2::CreateMaterials()
858 // Create Materials for Magnetic Dipole version 2
861 Int_t isxfld1 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
862 Int_t isxfld2 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->PrecInteg();
863 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
866 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
867 Float_t zsteel[4] = { 26.,24.,28.,14. };
868 Float_t wsteel[4] = { .715,.18,.1,.005 };
870 Float_t acoil[3] = { 26.98,1.01,16. };
871 Float_t zcoil[3] = { 13.,1.,8. };
872 Float_t wcoil[3] = { .66,.226,.114 };
874 Float_t aresi[3] = { 1.01,12.011,16.};
875 Float_t zresi[3] = { 1.,6.,8. };
876 Float_t wresi[3] = { .0644,.7655,.1701 };
878 Float_t aG10[5] = { 1.01,12.011,16.,28.085 ,79.904 };
879 Float_t zG10[5] = { 1.,6.,8.,14.,35. };
880 Float_t wG10[5] = { .02089,.22338,.28493,.41342,.05738 };
884 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
885 Float_t zAir[4]={6.,7.,8.,18.};
886 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
887 Float_t dAir = 1.20479E-3;
888 Float_t dAir1 = 1.20479E-10;
891 Float_t epsil, stmin, deemax, tmaxfd, stemax;
893 // --- Define the various materials for GEANT ---
895 AliMaterial( 9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
896 AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
897 AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2);
900 AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1);
901 AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1);
902 AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1);
904 AliMaterial(17, "COPPER0$ ", 63.55, 29., 8.96, 1.43, 15.1);
905 AliMaterial(37, "COPPER1$ ", 63.55, 29., 8.96, 1.43, 15.1);
906 AliMaterial(57, "COPPER2$ ", 63.55, 29., 8.96, 1.43, 15.1);
908 AliMixture(15, "AIR0$ ", aAir, zAir, dAir, 4, wAir);
909 AliMixture(35, "AIR1$ ", aAir, zAir, dAir, 4, wAir);
910 AliMixture(55, "AIR2$ ", aAir, zAir, dAir, 4, wAir);
911 AliMixture(75, "AIR_MUON ", aAir, zAir, dAir, 4, wAir);
913 AliMixture(16, "VACUUM0$ ", aAir, zAir, dAir1, 4, wAir);
914 AliMixture(36, "VACUUM1$ ", aAir, zAir, dAir1, 4, wAir);
915 AliMixture(56, "VACUUM2$ ", aAir, zAir, dAir1, 4, wAir);
918 AliMixture(19, "STAINLESS STEEL0$", asteel, zsteel, 7.88, 4, wsteel);
919 AliMixture(39, "STAINLESS STEEL1$", asteel, zsteel, 7.88, 4, wsteel);
920 AliMixture(59, "STAINLESS STEEL2$", asteel, zsteel, 7.88, 4, wsteel);
923 AliMixture(14, "Al0$", acoil, zcoil, 2.122, 3, wcoil);
924 AliMixture(34, "Al1$", acoil, zcoil, 2.122, 3, wcoil);
925 AliMixture(54, "Al2$", acoil, zcoil, 2.122, 3, wcoil);
928 AliMixture(13, "RESIN0$", aresi, zresi, 1.05, 3, wresi);
929 AliMixture(33, "RESIN1$", aresi, zresi, 1.05, 3, wresi);
930 AliMixture(53, "RESIN2$", aresi, zresi, 1.05, 3, wresi);
933 AliMixture(11, "G100$", aG10, zG10, 1.7, 5, wG10);
934 AliMixture(31, "G101$", aG10, zG10, 1.7, 5, wG10);
935 AliMixture(51, "G102$", aG10, zG10, 1.7, 5, wG10);
938 // Defines tracking media parameters.
939 // Les valeurs sont commentees pour laisser le defaut
940 // a GEANT (version 3-21, page CONS200), f.m.
941 epsil = .001; // Tracking precision,
942 stemax = -1.; // Maximum displacement for multiple scat
943 tmaxfd = -20.; // Maximum angle due to field deflection
944 deemax = -.3; // Maximum fractional energy loss, DLS
949 AliMedium( 9, "ALU_C0 ", 9, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
950 AliMedium(29, "ALU_C1 ", 29, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
951 AliMedium(49, "ALU_C2 ", 49, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
954 AliMedium(10, "FE_C0 ", 10, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
955 AliMedium(30, "FE_C1 ", 30, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
956 AliMedium(50, "FE_C2 ", 50, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
959 AliMedium(15, "AIR_C0 ", 15, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
960 AliMedium(35, "AIR_C1 ", 35, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
961 AliMedium(55, "AIR_C2 ", 55, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
962 AliMedium(75, "AIR_MUON ", 75, 0, isxfld2, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
965 AliMedium(16, "VA_C0 ", 16, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
966 AliMedium(36, "VA_C1 ", 36, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
967 AliMedium(56, "VA_C2 ", 56, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
970 AliMedium(19, "ST_C0 ", 19, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
971 AliMedium(39, "ST_C1 ", 39, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
972 AliMedium(59, "ST_C3 ", 59, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
975 AliMedium(14, "Coil_C1 ", 14, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
976 AliMedium(34, "Coil_C2 ", 34, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
977 AliMedium(54, "Coil_C3 ", 54, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
980 AliMedium(13, "RESIN_C0 ", 13, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
981 AliMedium(33, "RESIN_C1 ", 33, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
982 AliMedium(53, "RESIN_C2 ", 53, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
985 AliMedium(11, "G10_C0 ", 11, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
986 AliMedium(31, "G10_C1 ", 31, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
987 AliMedium(51, "G10_C2 ", 51, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
990 AliMedium(17, "Cu_C0 ", 17, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
991 AliMedium(37, "Cu_C1 ", 37, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
992 AliMedium(57, "Cu_C2 ", 57, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);