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 <TVirtualMC.h>
40 #include "AliDIPOv2.h"
46 //_____________________________________________________________________________
47 AliDIPOv2::AliDIPOv2()
50 // Last design of magnetic dipole version 2
54 //_____________________________________________________________________________
55 AliDIPOv2::AliDIPOv2(const char *name, const char *title)
59 // Standard constructor for the magnetic dipole version 2
65 void AliDIPOv2::CreateGeometry()
68 // Creation of the geometry of the magnetic DIPOLE version 2
71 CreateSpectrometerDipole();
72 CreateCompensatorDipole();
76 //_____________________________________________________________________________
77 void AliDIPOv2::CreateSpectrometerDipole()
80 // Creation of the geometry of the magnetic DIPOLE version 2
83 Float_t cpar[5], tpar[18], ypar[12];
86 Float_t accMax, the1, phi1, the2, phi2, the3, phi3;
88 Int_t *idtmed = fIdtmed->GetArray()-1799;
90 // const Int_t kCoil = 1813;
91 // const Int_t kCable= 1811;
93 const Int_t kCoil = 1808;
94 const Int_t kCable= 1808;
96 accMax = 9.; // ANGLE POLAIRE MAXIMUM
99 const Float_t kZDipole = 975;
105 tpar[ 3] = -250.55 + kZDipole;
109 tpar[ 6] = 37. + kZDipole;
113 tpar[ 9] = 37. + kZDipole;
114 tpar[10] = tpar[ 9] * TMath::Tan(2. * TMath::Pi() / 180.);
117 tpar[12] = 260.55 + kZDipole;
118 tpar[13] = tpar[12] * TMath::Tan(2. * TMath::Pi() / 180.);
120 gMC->Gsvolu("DDIP", "PCON", idtmed[1874], tpar, 15);
130 gMC->Gsvolu("DC1 ", "TUBS", idtmed[kCoil+40], cpar, 5);
133 gMC->Gsvolu("DC2 ", "TUBS", idtmed[kCoil+40], cpar, 5);
135 // coil - low cuts cuts
137 // cpar[1] = cpar[0] + 10.;
142 gMC->Gsvolu("DC3 ", "TUBS", idtmed[kCoil], cpar, 5);
147 gMC->Gsvolu("DC4 ", "TUBS", idtmed[kCoil], cpar, 5);
149 gMC->Gspos("DC3 ", 1, "DC1 ", 0., 0., 0., 0, "ONLY");
150 gMC->Gspos("DC4 ", 1, "DC2 ", 0., 0., 0., 0, "ONLY");
152 // dz = 37.65 - 243.55
155 gMC->Gspos("DC1 ", 1, "DDIP", dx, 0., dz+kZDipole, 0, "ONLY");
156 gMC->Gspos("DC1 ", 2, "DDIP", dx, 0., -dz+kZDipole, 0, "ONLY");
157 gMC->Gspos("DC2 ", 1, "DDIP", -dx, 0., dz+kZDipole, 0, "ONLY");
158 gMC->Gspos("DC2 ", 2, "DDIP", -dx, 0., -dz+kZDipole, 0, "ONLY");
165 AliMatrix(idrotm[1800], the1, phi1, the2, phi2, the3, phi3);
169 AliMatrix(idrotm[1801], the1, phi1, the2, phi2, the3, phi3);
176 AliMatrix(idrotm[1802], the1, phi1, the2, phi2, the3, phi3);
180 AliMatrix(idrotm[1803], the1, phi1, the2, phi2, the3, phi3);
183 cpar[1] = 100.3; //25+75.3
188 gMC->Gsvolu("DC11", "TUBS", idtmed[kCoil+40], cpar, 5);
190 dx = TMath::Sin(30.5*kDegrad) * -(207.+33.5)+5./TMath::Sin(30.5*kDegrad);
191 dy = TMath::Cos(30.5*kDegrad) * -(207.+33.5);
192 dz = cpar[1] - 243.55-2.45;
193 gMC->Gspos("DC11", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1800], "ONLY");
194 gMC->Gspos("DC11", 2, "DDIP", dx, dy, -dz+kZDipole, idrotm[1802], "ONLY");
195 gMC->Gspos("DC11", 3, "DDIP", -dx, dy, dz+kZDipole, idrotm[1801], "ONLY");
196 gMC->Gspos("DC11", 4, "DDIP", -dx, dy, -dz+kZDipole, idrotm[1803], "ONLY");
202 cpar[1] = 100.3; //25+75.3
207 gMC->Gsvolu("DC12", "TUBS", idtmed[kCoil+40], cpar, 5);
209 dx = TMath::Sin(30.5*kDegrad) * -(207.+33.5)+5./TMath::Sin(30.5*kDegrad);
210 dy = TMath::Cos(30.5*kDegrad) *(207.+33.5);
211 dz = cpar[1] - 243.55-2.45;
212 gMC->Gspos("DC12", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1801], "ONLY");
213 gMC->Gspos("DC12", 2, "DDIP", dx, dy, -dz+kZDipole, idrotm[1803], "ONLY");
214 gMC->Gspos("DC12", 3, "DDIP", -dx, dy, dz+kZDipole, idrotm[1800], "ONLY");
215 gMC->Gspos("DC12", 4, "DDIP", -dx, dy, -dz+kZDipole, idrotm[1802], "ONLY");
223 AliMatrix(idrotm[1804], the1, phi1, the2, phi2, the3, phi3);
228 AliMatrix(idrotm[1805], the1, phi1, the2, phi2, the3, phi3);
230 phi1 = 119.; //180 -61
232 phi2 = 209.; //270-61
233 AliMatrix(idrotm[1806], the1, phi1, the2, phi2, the3, phi3);
238 AliMatrix(idrotm[1807], the1, phi1, the2, phi2, the3, phi3);
245 gMC->Gsvolu("DL1 ", "BOX ", idtmed[kCoil+40], tpar, 3);
251 gMC->Gsvolu("DL2 ", "BOX ", idtmed[kCoil], tpar, 3);
252 gMC->Gspos("DL2 ", 1, "DL1 ", dx, 0., 0., 0, "ONLY");
257 gMC->Gspos("DL1 ", 1, "DDIP", dx, dy, dz+kZDipole, idrotm[1804], "ONLY");
258 gMC->Gspos("DL1 ", 2, "DDIP", dx, -dy, dz+kZDipole, idrotm[1805], "ONLY");
259 gMC->Gspos("DL1 ", 3, "DDIP",-dx, dy, dz+kZDipole, idrotm[1806], "ONLY");
260 gMC->Gspos("DL1 ", 4, "DDIP",-dx, -dy, dz+kZDipole, idrotm[1807], "ONLY");
266 //Steel outer face planes
274 gMC->Gsvolu("DCO1", "TUBS", idtmed[1818], cpar, 5);
277 gMC->Gspos("DCO1", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
278 dz = 243.55+4.5+1.5+1.;
279 gMC->Gspos("DCO1", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
283 // cpar[0] = 207.-18.6;
284 // cpar[1] = 274.+18.6;
289 gMC->Gsvolu("DCO2", "TUBS", idtmed[1818], cpar, 5);
292 gMC->Gspos("DCO2", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
293 dz = 243.55+4.5+1.5+1.;
294 gMC->Gspos("DCO2", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
306 gMC->Gsvolu("DCO3", "TUBS", idtmed[1812], cpar, 5);
309 gMC->Gspos("DCO3", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
310 dz = 243.55+4.5+0.75;
311 gMC->Gspos("DCO3", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
317 gMC->Gsvolu("DCO4", "TUBS", idtmed[1812], cpar, 5);
320 gMC->Gspos("DCO4", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
321 dz = 243.55+4.5+0.75 ;
322 gMC->Gspos("DCO4", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
333 gMC->Gsvolu("DCO5", "TUBS", idtmed[1810], cpar, 5);
337 gMC->Gspos("DCO5", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
344 gMC->Gsvolu("DCO6", "TUBS", idtmed[1810], cpar, 5);
348 gMC->Gspos("DCO6", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
350 //Steel supported planes
352 cpar[0] = 274.+1.5+2.;
358 gMC->Gsvolu("DCO7", "TUBS", idtmed[1818], cpar, 5);
362 gMC->Gspos("DCO7", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
365 cpar[0] = 274.+1.5+2.;
372 gMC->Gsvolu("DCO8", "TUBS", idtmed[1818], cpar, 5);
376 gMC->Gspos("DCO8", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
380 cpar[0] = 207.- 18.6;
381 cpar[1] = 207.- 2.- 1.5;
386 gMC->Gsvolu("DCO9", "TUBS", idtmed[1818], cpar, 5);
390 gMC->Gspos("DCO9", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
394 cpar[0] = 207.- 18.6;
395 cpar[1] = 207.- 2.- 1.5;
400 gMC->Gsvolu("DCOA", "TUBS", idtmed[1818], cpar, 5);
404 gMC->Gspos("DCOA", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
407 // Sides steel planes
409 cpar[0] = 207. - 1.5 -2.;
410 cpar[1] = 207. - 1.5;
411 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
415 gMC->Gsvolu("DCOB", "TUBS", idtmed[1818], cpar, 5);
417 cpar[0] = 274. + 1.5;
418 cpar[1] = 274. + 1.5 +2.;
420 gMC->Gsvolu("DCOC", "TUBS", idtmed[1818], cpar, 5);
423 dz = ((243.55+4.5+1.5)+168.25)/2;
424 gMC->Gspos("DCOB", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
425 gMC->Gspos("DCOC", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
429 cpar[0] = 207. - 1.5 -2.;
430 cpar[1] = 207. - 1.5;
431 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
435 gMC->Gsvolu("DCOD", "TUBS", idtmed[1818], cpar, 5);
437 cpar[0] = 274. + 1.5;
438 cpar[1] = 274. + 1.5 +2.;
440 gMC->Gsvolu("DCOE", "TUBS", idtmed[1818], cpar, 5);
443 dz = ((243.55+4.5+1.5)+168.25)/2;
444 gMC->Gspos("DCOD", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
445 gMC->Gspos("DCOE", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
448 // Top and bottom resin planes
450 cpar[0] = 207. - 1.5;
452 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
456 gMC->Gsvolu("DCOF", "TUBS", idtmed[1812], cpar, 5);
459 cpar[1] = 274. + 1.5;
461 gMC->Gsvolu("DCOG", "TUBS", idtmed[1812], cpar, 5);
465 dz = ((243.55+4.5+1.5)+168.25)/2;
466 gMC->Gspos("DCOF", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
467 gMC->Gspos("DCOG", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
470 cpar[0] = 207. - 1.5;
472 cpar[2] = ((243.55+4.5+1.5)-168.25)/2;
477 gMC->Gsvolu("DCOH", "TUBS", idtmed[1812], cpar, 5);
480 cpar[1] = 274. + 1.5;
482 gMC->Gsvolu("DCOI", "TUBS", idtmed[1812], cpar, 5);
486 dz = ((243.55+4.5+1.5)+168.25)/2;
487 gMC->Gspos("DCOH", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
488 gMC->Gspos("DCOI", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
493 cpar[0] = 274. + 1.5 +2.;
494 cpar[1] = 274. + 1.5 +2. + 80.;
499 gMC->Gsvolu("DCOJ", "TUBS", idtmed[kCable], cpar, 5);
501 // dx = 274. + 1.5 +2. +40.;
502 // dx = 5. + 1.5 +2. +40.;
503 // dx = 5. + 1.5 +2.;
505 dz = 168.25 + 5.05 + 5.05/2;
506 gMC->Gspos("DCOJ", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
508 dz = 243.55 - 5.05/2;
509 gMC->Gspos("DCOJ", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
516 gMC->Gsvolu("DCOK", "TUBS", idtmed[kCable], cpar, 5);
518 // dx = 274. + 1.5 +2. +40.;
519 // dx = 5. + 1.5 +2. +40.;
520 // dx = 5. + 1.5 +2.;
522 dz = 168.25 + 5.05 + 5.05/2;
523 gMC->Gspos("DCOK", 1, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
525 dz = 243.55 - 5.05/2;
526 gMC->Gspos("DCOK", 2, "DDIP", dx, 0, dz+kZDipole, 0, "ONLY");
531 // Top and bottom blocks
537 gMC->Gsvolu("DY1 ", "BOX ", idtmed[1858], ypar, 3);
544 gMC->Gsvolu("DY11", "TRD1", idtmed[1818], ypar, 4);
545 gMC->Gspos("DY11", 1, "DY1 ", 0., dy, 0., 0, "ONLY");
549 gMC->Gspos("DY1 ", 1, "DDIP", 0., dy, -dz+kZDipole, 0, "ONLY");
557 AliMatrix(idrotm[1808], the1, phi1, the2, phi2, the3, phi3);
558 gMC->Gspos("DY1 ", 2, "DDIP", 0., -dy, -dz+kZDipole, idrotm[1808] , "ONLY");
561 // ypar[0] = 579./2.;
568 ypar[6] = 4.3058039629;
573 ypar[10] = 4.3058039629;
577 gMC->Gsvolu("DY2 ", "TRAP", idtmed[1858], ypar,11);
588 gMC->Gsvolu("DY22", "TRAP", idtmed[1818], ypar,11);
593 gMC->Gspos("DY22", 1, "DY2 ", dx, dy, 0., 0, "ONLY");
601 AliMatrix(idrotm[1809], the1, phi1, the2, phi2, the3, phi3);
609 AliMatrix(idrotm[1810], the1, phi1, the2, phi2, the3, phi3);
614 gMC->Gspos("DY2 ", 1, "DDIP", dx, 0.0, dz+kZDipole, idrotm[1809], "ONLY");
615 gMC->Gspos("DY2 ", 2, "DDIP", -dx, 0.0, dz+kZDipole, idrotm[1810], "ONLY");
617 AliMatrix(idrotm[1811], 270., 0., 90., 90., 180., 0.);
618 gMC->Gspos("DDIP", 1, "ALIC", 0., 0., 0., idrotm[1811], "ONLY");
620 gMC->Gsatt("DDIP", "SEEN", 0);
621 // gMC->Gsatt("DC21", "SEEN", 0);
622 // gMC->Gsatt("DC22", "SEEN", 0);
623 // gMC->Gsatt("DC3 ", "SEEN", 0);
624 // gMC->Gsatt("DC4 ", "SEEN", 0);
628 void AliDIPOv2::CreateCompensatorDipole()
631 // Geometry of the compensator Dipole MBWMD (was MCB @ SPS)
633 Int_t *idtmed = fIdtmed->GetArray()-1799;
636 Float_t pbox[3] = {63., 63., 170.};
639 gMC->Gsvolu("DCM0", "BOX", idtmed[1814], pbox, 3);
642 // Mother volume containing lower coil
647 gMC->Gsvolu("DCML", "BOX", idtmed[1809], pbox, 3);
652 gMC->Gsvolu("DCBA", "BOX", idtmed[1809], pbox, 3);
654 // Coil: straight sections, horizontal
658 gMC->Gsvolu("DCH1", "BOX", idtmed[1816], pbox, 3);
660 // Coil: straight sections, horizontal
664 gMC->Gsvolu("DCH2", "BOX", idtmed[1816], pbox, 3);
667 // Mother volume containing upper coil
671 gMC->Gsvolu("DCMU", "BOX", idtmed[1809], pbox, 3);
674 // Coil: straight sections, vertical
679 gMC->Gsvolu("DCCV", "BOX", idtmed[1816], pbox, 3);
681 // Coil: circular section
689 // gMC->Gsvolu("DCC1", "TUBS", idtmed[1809], ptubs, 5);
695 gMC->Gsvolu("DCC1", "TUBS", idtmed[1816], ptubs, 5);
709 gMC->Gsvolu("DCLA", "PGON", idtmed[1809], ppgon, 10);
713 AliMatrix(idrotm[1811], -90., 0., 90., 90., 0., 0.);
714 AliMatrix(idrotm[1812], 0., 0., 90., 90., 90., 0.);
715 AliMatrix(idrotm[1813], 180., 0., 90., 90., 90., 0.);
716 AliMatrix(idrotm[1814], 0., 180., 90., 270., 90., 0.);
717 AliMatrix(idrotm[1815], 180., 180., 90., 270., 90., 0.);
719 gMC->Gspos("DCH1", 1, "DCML", 23.25, -13., -17.5, 0, "ONLY");
720 gMC->Gspos("DCCV", 1, "DCM0", 12., 19., -159., 0, "ONLY");
721 gMC->Gspos("DCCV", 2, "DCM0", -12., 19., -159., 0, "ONLY");
722 gMC->Gspos("DCCV", 3, "DCML", 23.25, 20.5, 141.5, 0, "ONLY");
724 gMC->Gspos("DCML", 1, "DCM0", -33.25, -2.5, 17.5, 0, "ONLY");
725 gMC->Gspos("DCML", 2, "DCM0", 33.25, -2.5, 17.5, idrotm[1811], "ONLY");
728 gMC->Gspos("DCH2", 1, "DCMU", 2., 6.5, 0., 0, "ONLY");
729 gMC->Gspos("DCMU", 1, "DCM0", -12., 45., 0., 0, "ONLY");
730 gMC->Gspos("DCMU", 2, "DCM0", 12., 45., 0., idrotm[1811], "ONLY");
732 // gMC->Gspos("DCC2", 1, "DCC1", 0., 0., 0., 0, "ONLY");
734 gMC->Gspos("DCC1", 1, "DCM0", -12., 27.5, 135., idrotm[1812], "ONLY");
735 gMC->Gspos("DCC1", 2, "DCM0", 12., 27.5, 135., idrotm[1812], "ONLY");
736 gMC->Gspos("DCC1", 3, "DCM0", -12., 27.5, -135., idrotm[1813], "ONLY");
737 gMC->Gspos("DCC1", 4, "DCM0", 12., 27.5, -135., idrotm[1813], "ONLY");
739 gMC->Gspos("DCC1", 5, "DCM0", 12., 27.5-32.+13., -135., idrotm[1815], "ONLY");
740 gMC->Gspos("DCC1", 6, "DCM0", -12., 27.5-32.+13., -135., idrotm[1815], "ONLY");
742 gMC->Gspos("DCC1", 7, "DCML", 23.25, -13+13.+11., 117.5, idrotm[1814], "ONLY");
744 gMC->Gspos("DCLA", 1, "DCM0", 20., 27.5, -134., 0, "ONLY");
745 gMC->Gspos("DCLA", 2, "DCM0", 20., 27.5, -44., 0, "ONLY");
746 gMC->Gspos("DCLA", 3, "DCM0", 20., 27.5, 46., 0, "ONLY");
747 gMC->Gspos("DCLA", 4, "DCM0", 20., 27.5, 134., 0, "ONLY");
749 gMC->Gspos("DCLA", 5, "DCM0", -20., 27.5, -134., idrotm[1811], "ONLY");
750 gMC->Gspos("DCLA", 6, "DCM0", -20., 27.5, -44., idrotm[1811], "ONLY");
751 gMC->Gspos("DCLA", 7, "DCM0", -20., 27.5, 46., idrotm[1811], "ONLY");
752 gMC->Gspos("DCLA", 8, "DCM0", -20., 27.5, 134., idrotm[1811], "ONLY");
755 gMC->Gspos("DCBA", 1, "DCM0", 0., -47.5 , 17.5, 0, "ONLY");
756 AliMatrix(idrotm[1816], 270., 0., 90., 90., 180., 0.);
757 gMC->Gspos("DCM0", 1, "ALIC", 0., -6.75, 975., idrotm[1816], "ONLY");
762 //_____________________________________________________________________________
763 void AliDIPOv2::DrawModule() const
766 // Draw a shaded view of the muon absorber
769 // Set everything unseen
770 gMC->Gsatt("*", "seen", -1);
772 // Set ALIC mother transparent
773 gMC->Gsatt("ALIC","SEEN",0);
775 // Set the volumes visible
776 gMC->Gsatt("DDIP","seen",0);
777 gMC->Gsatt("DC1 ","seen",1);
778 gMC->Gsatt("DC2 ","seen",1);
779 gMC->Gsatt("DC3 ","seen",1);
780 gMC->Gsatt("DC4 ","seen",1);
781 gMC->Gsatt("DC11","seen",1);
782 gMC->Gsatt("DC21","seen",1);
783 gMC->Gsatt("DC12","seen",1);
784 gMC->Gsatt("DC22","seen",1);
785 gMC->Gsatt("DL1 ","seen",1);
786 gMC->Gsatt("DL2 ","seen",1);
787 gMC->Gsatt("DY1 ","seen",1);
788 gMC->Gsatt("DY2 ","seen",1);
789 gMC->Gsatt("DYL ","seen",1);
790 gMC->Gsatt("DY3 ","seen",1);
791 // gMC->Gsatt("DY4 ","seen",1);
792 // gMC->Gsatt("DY5 ","seen",1);
793 // gMC->Gsatt("DY6 ","seen",1);
794 // gMC->Gsatt("DY7 ","seen",1);
796 gMC->Gdopt("hide", "on");
797 gMC->Gdopt("shad", "on");
798 gMC->Gsatt("*", "fill", 7);
799 gMC->SetClipBox(".");
800 gMC->SetClipBox(".");
802 gMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
803 gMC->Gdhead(1111, "Magnetic Dipole Version 2");
804 gMC->Gdman(16, 4, "MAN");
810 //_____________________________________________________________________________
811 void AliDIPOv2::CreateMaterials()
814 // Create Materials for Magnetic Dipole version 2
817 Int_t isxfld1 = gAlice->Field()->Integ();
818 Int_t isxfld2 = gAlice->Field()->PrecInteg();
819 Float_t sxmgmx = gAlice->Field()->Max();
822 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
823 Float_t zsteel[4] = { 26.,24.,28.,14. };
824 Float_t wsteel[4] = { .715,.18,.1,.005 };
826 Float_t acoil[3] = { 26.98,1.01,16. };
827 Float_t zcoil[3] = { 13.,1.,8. };
828 Float_t wcoil[3] = { .66,.226,.114 };
830 Float_t aresi[3] = { 1.01,12.011,16.};
831 Float_t zresi[3] = { 1.,6.,8. };
832 Float_t wresi[3] = { .0644,.7655,.1701 };
834 Float_t aG10[5] = { 1.01,12.011,16.,28.085 ,79.904 };
835 Float_t zG10[5] = { 1.,6.,8.,14.,35. };
836 Float_t wG10[5] = { .02089,.22338,.28493,.41342,.05738 };
840 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
841 Float_t zAir[4]={6.,7.,8.,18.};
842 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
843 Float_t dAir = 1.20479E-3;
844 Float_t dAir1 = 1.20479E-10;
847 Float_t epsil, stmin, deemax, tmaxfd, stemax;
849 // --- Define the various materials for GEANT ---
851 AliMaterial( 9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2);
852 AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2);
853 AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2);
856 AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1);
857 AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1);
858 AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1);
860 AliMaterial(17, "COPPER0$ ", 63.55, 29., 8.96, 1.43, 15.1);
861 AliMaterial(37, "COPPER1$ ", 63.55, 29., 8.96, 1.43, 15.1);
862 AliMaterial(57, "COPPER2$ ", 63.55, 29., 8.96, 1.43, 15.1);
864 AliMixture(15, "AIR0$ ", aAir, zAir, dAir, 4, wAir);
865 AliMixture(35, "AIR1$ ", aAir, zAir, dAir, 4, wAir);
866 AliMixture(55, "AIR2$ ", aAir, zAir, dAir, 4, wAir);
867 AliMixture(75, "AIR_MUON ", aAir, zAir, dAir, 4, wAir);
869 AliMixture(16, "VACUUM0$ ", aAir, zAir, dAir1, 4, wAir);
870 AliMixture(36, "VACUUM1$ ", aAir, zAir, dAir1, 4, wAir);
871 AliMixture(56, "VACUUM2$ ", aAir, zAir, dAir1, 4, wAir);
874 AliMixture(19, "STAINLESS STEEL0$", asteel, zsteel, 7.88, 4, wsteel);
875 AliMixture(39, "STAINLESS STEEL1$", asteel, zsteel, 7.88, 4, wsteel);
876 AliMixture(59, "STAINLESS STEEL2$", asteel, zsteel, 7.88, 4, wsteel);
879 AliMixture(14, "Al0$", acoil, zcoil, 2.122, 3, wcoil);
880 AliMixture(34, "Al1$", acoil, zcoil, 2.122, 3, wcoil);
881 AliMixture(54, "Al2$", acoil, zcoil, 2.122, 3, wcoil);
884 AliMixture(13, "RESIN0$", aresi, zresi, 1.05, 3, wresi);
885 AliMixture(33, "RESIN1$", aresi, zresi, 1.05, 3, wresi);
886 AliMixture(53, "RESIN2$", aresi, zresi, 1.05, 3, wresi);
889 AliMixture(11, "G100$", aG10, zG10, 1.7, 5, wG10);
890 AliMixture(31, "G101$", aG10, zG10, 1.7, 5, wG10);
891 AliMixture(51, "G102$", aG10, zG10, 1.7, 5, wG10);
894 // Defines tracking media parameters.
895 // Les valeurs sont commentees pour laisser le defaut
896 // a GEANT (version 3-21, page CONS200), f.m.
897 epsil = .001; // Tracking precision,
898 stemax = -1.; // Maximum displacement for multiple scat
899 tmaxfd = -20.; // Maximum angle due to field deflection
900 deemax = -.3; // Maximum fractional energy loss, DLS
905 AliMedium( 9, "ALU_C0 ", 9, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
906 AliMedium(29, "ALU_C1 ", 29, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
907 AliMedium(49, "ALU_C2 ", 49, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
910 AliMedium(10, "FE_C0 ", 10, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
911 AliMedium(30, "FE_C1 ", 30, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
912 AliMedium(50, "FE_C2 ", 50, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
915 AliMedium(15, "AIR_C0 ", 15, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
916 AliMedium(35, "AIR_C1 ", 35, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
917 AliMedium(55, "AIR_C2 ", 55, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
918 AliMedium(75, "AIR_MUON ", 75, 0, isxfld2, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
921 AliMedium(16, "VA_C0 ", 16, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
922 AliMedium(36, "VA_C1 ", 36, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
923 AliMedium(56, "VA_C2 ", 56, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
926 AliMedium(19, "ST_C0 ", 19, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
927 AliMedium(39, "ST_C1 ", 39, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
928 AliMedium(59, "ST_C3 ", 59, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
931 AliMedium(14, "Coil_C1 ", 14, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
932 AliMedium(34, "Coil_C2 ", 34, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
933 AliMedium(54, "Coil_C3 ", 54, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
936 AliMedium(13, "RESIN_C0 ", 13, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
937 AliMedium(33, "RESIN_C1 ", 33, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
938 AliMedium(53, "RESIN_C2 ", 53, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
941 AliMedium(11, "G10_C0 ", 11, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
942 AliMedium(31, "G10_C1 ", 31, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
943 AliMedium(51, "G10_C2 ", 51, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
946 AliMedium(17, "Cu_C0 ", 17, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
947 AliMedium(37, "Cu_C1 ", 37, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
948 AliMedium(57, "Cu_C2 ", 57, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);