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 **************************************************************************/
20 ////////////////////////////////////////////////
22 ////////////////////////////////////////////////
24 #include "AliPIPEvTemp.h"
31 ClassImp(AliPIPEvTemp)
33 //_____________________________________________________________________________
34 AliPIPEvTemp::AliPIPEvTemp()
39 //_____________________________________________________________________________
40 AliPIPEvTemp::AliPIPEvTemp(const char *name, const char *title)
47 //___________________________________________
48 void AliPIPEvTemp::CreateGeometry()
52 <img src="picts/pipe.gif">
59 <img src="picts/tree_pipe.gif">
63 printf("Create PIPEvTemp geometry \n");
66 Int_t *idtmed = fIdtmed->GetArray();
67 Float_t ppcon[36], ptube[3], pbox[3];
70 enum {kC=6, kAlu=9, kInox=19, kGetter=20, kBe=5, kVac=16, kAir=15, kAlBe=21};
73 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
74 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
75 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
76 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
77 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
78 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
79 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
80 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
81 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
82 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
84 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
85 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
90 // The peam pipe up to the Front Absorber
93 const Float_t dbe1 = 15.;
94 const Float_t dbe2 = 15.;
111 ppcon[12] = - 28.00-dbe2;
115 ppcon[15] = - 28.00-dbe2;
123 ppcon[21] = 28.+dbe1;
127 ppcon[24] = 28.+dbe1;
143 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon, 36);
151 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 3);
152 gMC->Gspos("QBVA", 1, "QBPM", 0., 0., 355., 0, "ONLY");
154 // Be Pipe in central Alice
157 ptube[2] = 28.25+(dbe1+dbe2)/2.;
159 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
160 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., (dbe1-dbe2)/2., 0, "ONLY");
163 // Metal-Metal Transitions
170 gMC->Gsvolu("QBT1","TUBE", idtmed[kAir], ptube, 3);
171 gMC->Gspos("QBT1", 1, "QBPM", 0., 0., 28.25+dbe1+ptube[2], 0, "ONLY");
178 gMC->Gsvolu("QB01","TUBE", idtmed[kInox], ptube, 3);
181 gMC->Gsvolu("QBA1","TUBE", idtmed[kBe], ptube, 3);
183 gMC->Gspos("QBA1", 1, "QB01", 0., 0., 0, 0, "ONLY");
184 gMC->Gspos("QB01", 1, "QBT1", 0., 0.,-2.75+ptube[2], 0, "ONLY");
192 gMC->Gsvolu("QB03","TUBE", idtmed[kInox], ptube, 3);
193 gMC->Gspos("QB03", 1, "QBT1", 0., 0.,-2.+ptube[2], 0, "ONLY");
200 gMC->Gsvolu("QB05","TUBE", idtmed[kInox], ptube, 3);
201 gMC->Gspos("QB05", 1, "QBT1", 0., 0., 2.55+ptube[2], 0, "ONLY");
209 gMC->Gsvolu("QB08","TUBE", idtmed[kInox], ptube, 3);
210 gMC->Gspos("QB08", 1 ,"QBT1", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
211 gMC->Gspos("QB08", 2 ,"QBT1", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
212 gMC->Gspos("QB08", 3 ,"QBT1", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
219 gMC->Gsvolu("QB07","TUBE", idtmed[kC], ptube, 3);
224 gMC->Gsvolu("QBA7","TUBE", idtmed[kInox], ptube, 3);
225 gMC->Gspos("QBA7", 1, "QB07", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
226 gMC->Gspos("QB07", 1, "QBT1", 0.0, 0.0, 2., 0, "ONLY");
234 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
235 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -28.25-dbe2-ptube[2], idrotm[2012], "ONLY");
242 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
245 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
247 gMC->Gspos("QBA2", 1, "QB01", 0., 0., 0, 0, "ONLY");
248 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
255 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
256 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
263 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
264 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
272 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
273 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
274 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
275 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
282 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
287 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
288 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
289 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
294 // 1st section Alu non-absorber side
297 ptube[2] = 85.175-dbe1/2.;
299 gMC->Gsvolu("QB10","TUBE", idtmed[kAlu], ptube, 3);
300 gMC->Gspos("QB10", 1, "QBPM", 0.0, 0.0, 118.925+dbe1/2., 0, "ONLY");
302 // Support rollers: non absorber side
308 gMC->Gsvolu("QBRM","TUBE", idtmed[kAir], ptube, 3);
309 gMC->Gspos("QBRM", 1, "QBPM", 0., 0., 654.8, 0, "ONLY");
310 gMC->Gspos("QBRM", 2, "QBPM", 0., 0., 254.8, 0, "ONLY");
316 gMC->Gsvolu("QB30","TUBE", idtmed[kInox], ptube, 3);
318 for (i=0; i<8; i++) {
319 Float_t phi = 45.+i*45.*kDegrad;
320 Float_t xpos = 4.*TMath::Sin(phi);
321 Float_t ypos = 4.*TMath::Cos(phi);
322 gMC->Gspos("QB30", i+1, "QBRM", xpos, ypos, 0, idrotm[2004+i], "ONLY");
326 // Flanges: non absorber side
331 gMC->Gsvolu("QB29","TUBE", idtmed[kInox], ptube, 3);
332 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, 654.8, 0, "ONLY");
333 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, 254.8, 0, "ONLY");
335 // Inox beam pipe: non absorber side
339 // ptube[2] = 275.05; // without undulated beampipe
342 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
343 // gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 524.95, 0, "ONLY"); // without undulated beam pipe
344 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, 249.9+ptube[2], 0, "ONLY");
347 // Undulated beam pipe
354 char cn48[][5]={"QN21","QN22","QN23","QN24","QN25","QN26","QN27","QN28"};
356 Undulation("QUND",pitch,thick,zundul,rundul,cn48);
357 gMC->Gspos("QUND", 1, "QBPM", 0., 0., 335.+zundul, 0, "ONLY");
360 // Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
366 gMC->Gsvolu("QBAB","TUBE", idtmed[kAlBe], ptube, 3);
367 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, 335.+ptube[2], 0, "ONLY");
371 // missing pieces of inox pipe
377 gMC->Gsvolu("QB48","TUBE", idtmed[kInox], ptube, 3);
378 gMC->Gspos("QB48", 1, "QBPM", 0.0, 0.0, 800.-ptube[2], 0, "ONLY");
384 gMC->Gsvolu("QB27","TUBE", idtmed[kInox], ptube, 3);
385 gMC->Gspos("QB27", 1, "QBPM", 0.0, 0.0, 208.1, 0, "ONLY");
393 gMC->Gsvolu("QB25","TUBE", idtmed[kAlu], ptube, 3);
394 gMC->Gspos("QB25", 1, "QBPM", 0.0, 0.0, 201.35, 0, "ONLY");
397 // distance between bellows
398 // const Float_t dzbb = 18.;
399 const Float_t dzbb = 8.;
401 const Float_t dzb = 11.4;
405 ptube[2] = 2.5 +(18.-dzbb)/2.;
406 Float_t dz = 249.9-(2.*dzb+dzbb)-ptube[2];
408 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
409 gMC->Gspos("QB26", 1, "QBPM", 0.0, 0.0, dz, 0, "ONLY");
417 ptube[2] = (2.*dzb+dzbb)/2.;
418 gMC->Gsvolu("QBE0","TUBE", idtmed[kAir], ptube, 3);
419 dz = (249.9-ptube[2]);
420 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, dz, 0, "ONLY");
421 dz = (81.7-ptube[2]);
423 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
427 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
429 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, -dz, 0 , "ONLY");
430 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, dz, idrotm[2012], "ONLY");
436 gMC->Gsvolu("QB19","TUBE", idtmed[kVac], ptube, 3);
437 gMC->Gspos("QB19", 1 ,"QBEM", 0.0, 0.0, 0.5, 0 , "ONLY");
443 gMC->Gsvolu("QB18","TUBE", idtmed[kVac], ptube, 3);
444 for (i=0; i<15; i++) {
445 gMC->Gspos("QB18", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
452 gMC->Gsvolu("QB21","TUBE", idtmed[kVac], ptube, 3);
453 gMC->Gspos("QB21", 1 ,"QBEM", 0.0, 0.0, -4.5, 0 , "ONLY");
459 gMC->Gsvolu("QB15","TUBE", idtmed[kInox], ptube, 3);
460 for (i=0; i<30; i++) {
461 gMC->Gspos("QB15", i+1, "QBEM", 0.0, 0.0, 3.4-i*0.2, 0, "ONLY");
468 gMC->Gsvolu("QB16","TUBE", idtmed[kInox], ptube, 3);
469 for (i=0; i<15; i++) {
470 gMC->Gspos("QB16", i+1, "QBEM", 0.0, 0.0, 3.3-i*0.4, 0, "ONLY");
477 gMC->Gsvolu("QB17","TUBE", idtmed[kInox], ptube, 3);
478 for (i=0; i<14; i++) {
479 gMC->Gspos("QB17", i+1, "QBEM", 0.0, 0.0, 3.1-i*0.4, 0, "ONLY");
486 gMC->Gsvolu("QB14","TUBE", idtmed[kInox], ptube, 3);
487 gMC->Gspos("QB14", 2 ,"QBEM", 0.0, 0.0, -2.8025, 0 , "ONLY");
488 gMC->Gspos("QB14", 1 ,"QBEM", 0.0, 0.0, 3.8025, 0 , "ONLY");
494 gMC->Gsvolu("QB13","TUBE", idtmed[kInox], ptube, 3);
495 gMC->Gspos("QB13", 2 ,"QBEM", 0.0, 0.0, -3.25, 0 , "ONLY");
496 gMC->Gspos("QB13", 1 ,"QBEM", 0.0, 0.0, 4.25, 0 , "ONLY");
502 gMC->Gsvolu("QB12","TUBE", idtmed[kInox], ptube, 3);
503 gMC->Gspos("QB12", 1 ,"QBEM", 0.0, 0.0, 5.0, 0, "ONLY");
507 // pipe between Bellows
511 gMC->Gsvolu("QB23","TUBE", idtmed[kInox], ptube, 3);
512 gMC->Gspos("QB23", 1 ,"QBE0", 0.0, 0.0, 0.0, 0, "ONLY");
519 // beam pipe between metal-metal transition and bellows
523 ptube[2] = (81.7-(2.*dzb+dzbb)-(28.25+dbe2+5.5))/2.;
525 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 3);
526 dz = (28.25+dbe2+5.5)+ptube[2];
527 gMC->Gspos("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
529 // beam pipe between flange and bellows
534 gMC->Gsvolu("QB22","TUBE", idtmed[kInox], ptube, 3);
535 gMC->Gspos("QB22", 1 ,"QBPM", 0.0, 0.0, -82.15, 0, "ONLY");
545 gMC->Gsvolu("QFA0","TUBE", idtmed[kAlu], ptube, 3);
546 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -84.0, 0, "ONLY");
552 gMC->Gsvolu("QFA1","TUBE", idtmed[kInox], ptube, 3);
553 gMC->Gspos("QFA1", 1 ,"QFA0", 0.0, 0.0, 0.225, 0, "ONLY");
559 gMC->Gsvolu("QFA2","TUBE", idtmed[kInox], ptube, 3);
560 for (i=0; i<8; i++) {
561 Float_t phi = i*45.*kDegrad;
562 Float_t xpos = 3.9*TMath::Sin(phi);
563 Float_t ypos = 3.9*TMath::Cos(phi);
564 gMC->Gspos("QFA2", i+1, "QFA0", xpos, ypos, 0., 0, "ONLY");
572 gMC->Gsvolu("QB32","TUBE", idtmed[kInox], ptube, 3);
573 gMC->Gspos("QB32", 1 ,"QBPM", 0.0, 0.0, -90.+2.3, 0, "ONLY");
577 // --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
578 // and make it invisible
582 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
590 gMC->Gsvolu("QIPM","TUBE", idtmed[kAir], ptube, 3);
596 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
601 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
602 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
608 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
614 gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
615 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
617 // Connecting tube ->
621 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
626 gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
627 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
635 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
640 gMC->Gsvolu("QI45","TUBE", idtmed[kAir], ptube, 3);
641 gMC->Gspos("QI45", 1, "QI35", 0.0, 0.0, 0.0, 0, "ONLY");
644 gMC->Gspos("QI32", 1, "QIPM", 0.0, -44.25, 0.0, 0, "ONLY");
645 gMC->Gspos("QI33", 1, "QIPM", 0.0, -35.00, 0.0,idrotm[2002], "ONLY");
646 gMC->Gspos("QI34", 1, "QIPM", 0.0, -18.80, 0.0,idrotm[2002], "ONLY");
647 gMC->Gspos("QI35", 1, "QIPM", 0.0, -24.35, 0.0,idrotm[2002], "ONLY");
649 // PLACE ION PUMP (QIPM) AT Z=-385.
651 gMC->Gspos("QIPM",1,"ALIC",0,0,-385,idrotm[2013], "ONLY");
654 gMC->Gsatt("QIPM", "SEEN", 0);
655 gMC->Gsatt("QBPM", "SEEN", 0);
656 gMC->Gsatt("QBEM", "SEEN", 0);
660 //___________________________________________
661 void AliPIPEvTemp::DrawModule()
663 // Set drawing options
667 //___________________________________________
668 void AliPIPEvTemp::CreateMaterials()
671 // Define materials for beam pipe
674 printf("Create PIPEvTemp materials \n");
675 Int_t isxfld = gAlice->Field()->Integ();
676 Float_t sxmgmx = gAlice->Field()->Max();
678 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
679 Float_t zsteel[4] = { 26.,24.,28.,14. };
680 Float_t wsteel[4] = { .715,.18,.1,.005 };
682 Float_t aAlBe[2] = { 26.98, 9.01};
683 Float_t zAlBe[2] = { 13.00, 4.00};
684 Float_t wAlBe[2] = { 0.4, 0.6};
688 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
691 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
694 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
697 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
700 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
703 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
705 // reduced density steel to approximate pump getter material
706 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
709 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
712 // Defines tracking media parameters.
714 Float_t epsil = .001; // Tracking precision,
715 Float_t stemax = -0.01; // Maximum displacement for multiple scat
716 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
717 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
723 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
726 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
729 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
732 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
735 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
738 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
741 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
744 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
749 void AliPIPEvTemp::Undulation(char *undul, Float_t pitch, Float_t thick,
750 Float_t zundul, Float_t rundul, char (*cone)[5])
753 // RUNDUL : Internal radius of the undulated chamber
754 // THICK : material thickness
755 // PITCH : one-QUARTER wave of undulation (cm)
756 // ZUNDUL : half length (cm)
758 // The undulated structure is desgned as a superposition of eight CONES
759 // of suitable sizes, where the inner/outer radius of the cone increases,
760 // then decreases, each half of the wave is assumed to be a semicircle,
761 // which allows to calculate the thickness and the radii of the cone, by
762 // dividing the semicircle into 4 parts of equal arc length.
763 // Thus apear the constants 0.293 and 0.707.
766 const Float_t kConst1 = .293;
767 const Float_t kConst2 = .707;
771 Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
772 dcone6[5], dcone7[5], dcone8[5];
773 Float_t xc, yc, zc, dundul[3];
774 Int_t *idtmed = fIdtmed->GetArray()-1999;
778 dcone1[0] = kConst1 * pitch / 2;
780 dcone1[2] = dcone1[1] + thick;
781 dcone1[3] = dcone1[1] + kConst2 * pitch;
782 dcone1[4] = dcone1[3] + thick;
784 dcone2[0] = kConst2 * pitch / 2;
785 dcone2[1] = dcone1[3];
786 dcone2[2] = dcone1[4];
787 dcone2[3] = dcone2[1] + kConst1 * pitch;
788 dcone2[4] = dcone2[3] + thick;
790 dcone3[0] = dcone2[0];
791 dcone3[1] = dcone2[3];
792 dcone3[2] = dcone2[4];
793 dcone3[3] = dcone2[1];
794 dcone3[4] = dcone2[2];
796 dcone4[0] = dcone1[0];
797 dcone4[1] = dcone1[3];
798 dcone4[2] = dcone1[4];
799 dcone4[3] = dcone1[1];
800 dcone4[4] = dcone1[2];
802 dcone5[0] = dcone1[0];
803 dcone5[1] = dcone1[1] - thick;
804 dcone5[2] = dcone1[1];
805 dcone5[3] = dcone5[1] - kConst2 * pitch;
806 dcone5[4] = dcone5[3] + thick;
808 dcone6[0] = dcone2[0];
809 dcone6[1] = dcone5[3];
810 dcone6[2] = dcone5[4];
811 dcone6[3] = dcone6[1] - kConst1 * pitch;
812 dcone6[4] = dcone6[3] + thick;
813 dcone7[0] = dcone6[0];
814 dcone7[1] = dcone6[3];
815 dcone7[2] = dcone6[4];
816 dcone7[3] = dcone5[3];
817 dcone7[4] = dcone5[4];
819 dcone8[0] = dcone5[0];
820 dcone8[1] = dcone7[3];
821 dcone8[2] = dcone7[4];
822 dcone8[3] = dcone5[1];
823 dcone8[4] = dcone5[2];
825 gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
826 gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
827 gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
828 gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
829 gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
830 gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
831 gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
832 gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
833 gMC->Gsatt(cone[0], "SEEN", 0);
834 gMC->Gsatt(cone[1], "SEEN", 0);
835 gMC->Gsatt(cone[2], "SEEN", 0);
836 gMC->Gsatt(cone[3], "SEEN", 0);
837 gMC->Gsatt(cone[4], "SEEN", 0);
838 gMC->Gsatt(cone[5], "SEEN", 0);
839 gMC->Gsatt(cone[6], "SEEN", 0);
840 gMC->Gsatt(cone[7], "SEEN", 0);
842 // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
844 nwave = Int_t (zundul / (pitch * 2) + .1);
845 dundul[2] = pitch * 2 * nwave;
846 dundul[1] = rundul + pitch + thick * 2;
849 gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
853 zc = -dundul[2] + dcone1[0];
854 for (j = 1; j <= nwave; ++j) {
855 gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
856 zc = zc + dcone1[0] + dcone2[0];
857 gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
858 zc = zc + dcone2[0] + dcone3[0];
859 gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
860 zc = zc + dcone3[0] + dcone4[0];
861 gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
862 zc = zc + dcone4[0] + dcone5[0];
863 gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
864 zc = zc + dcone5[0] + dcone6[0];
865 gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
866 zc = zc + dcone6[0] + dcone7[0];
867 gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
868 zc = zc + dcone7[0] + dcone8[0];
869 gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
870 zc = zc + dcone8[0] + dcone1[0];