]> git.uio.no Git - u/mrichter/AliRoot.git/blame_incremental - VZERO/AliVZEROv2.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
Removing AliMC and AliMCProcess
[u/mrichter/AliRoot.git] / VZERO / AliVZEROv2.cxx
... / ...
CommitLineData
1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16
17//////////////////////////////////////////////////////////////////////
18// //
19// (V-zero) detector version 2 as designed by the Lyon group //
20// All comments should be sent to Brigitte CHEYNIS : //
21// b.cheynis@ipnl.in2p3.fr //
22// Geometry of the 19th of april 2002 //
23// (circular instead of trapezoidal shapes as in previous versions //
24// //
25//////////////////////////////////////////////////////////////////////
26
27#include <TMath.h>
28#include <TGeometry.h>
29#include <TTRD2.h>
30#include <TCONE.h>
31#include <TPGON.h>
32#include <TPCON.h>
33#include <TSPHE.h>
34#include <TTRAP.h>
35#include <TTUBS.h>
36#include <TTUBE.h>
37#include <TBRIK.h>
38#include <TBox.h>
39
40#include <TShape.h>
41#include <TNode.h>
42#include <TClonesArray.h>
43#include <TH1.h>
44#include <string.h>
45#include <Riostream.h>
46
47#include "AliVZEROv2.h"
48#include "AliRun.h"
49#include "AliMagF.h"
50#include "AliVZEROhit.h"
51#include "AliVZEROdigit.h"
52#include <Riostream.h>
53#include <Riostream.h>
54
55#include <TGeant3.h>
56#include <stdlib.h>
57#include "TObjectTable.h"
58
59#include "AliConst.h"
60#include "TLorentzVector.h"
61
62ClassImp(AliVZEROv2)
63
64//--------------------------------------------------------------------
65AliVZEROv2:: AliVZEROv2():AliVZERO()
66{
67
68
69}
70//--------------------------------------------------------------------
71AliVZEROv2::AliVZEROv2(const char *name, const char *title):
72 AliVZERO(name,title)
73{
74
75// Standard constructor for V-zeroR Detector (right part) version 0
76
77
78 Int_t i;
79
80 printf("\n");
81 for(i=0;i<30;i++) printf("*");
82 printf(" Create VZERO object ");
83 for(i=0;i<30;i++) printf("*");
84 printf("\n");
85
86}
87
88//-------------------------------------------------------------------------
89void AliVZEROv2::CreateGeometry()
90{
91
92// Creates the GEANT geometry of the V-zero Detector version 2
93
94
95 Int_t i;
96
97 printf("\n");
98 for(i=0;i<30;i++) printf("*");
99 printf(" Create VZERO Geometry ");
100 for(i=0;i<30;i++) printf("*");
101 printf("\n");
102
103
104 Int_t *idtmed = fIdtmed->GetArray()-2999;
105
106 Int_t n_detec_R = 1;
107 Int_t n_detec_L = 1;
108
109 Int_t n_cells_R = 1;
110 Int_t n_cells_L = 1;
111
112 Int_t idrotm[999];
113
114 Float_t height1, height2, height3, height4, height5;
115 Float_t height;
116 Float_t theta;
117
118 Float_t half_thick_qua;
119
120 Float_t zdet;
121 Float_t r0, r5;
122 Float_t pi = TMath::Pi();
123
124
125 height1 = 2.0; // height of cell 1, in cm
126 height2 = 3.2; // height of cell 2, in cm
127 height3 = 4.9; // height of cell 3, in cm
128 height4 = 7.5; // height of cell 4, in cm
129 height5 = 12.0; // height of cell 5, in cm
130
131 theta = pi/6.0/2.0; // half angular opening = 15 degrees
132
133
134 half_thick_qua = fThickness1/2.0; // half thickness of elementary cell (inner ring)
135
136
137 zdet = 86.9 +fThickness/2.0; // distance to vertex (along Z axis)
138 r0 = 4.0; // closest distance to center of the beam pipe
139 height = height1 + height2 + height3 + height4 + height5;
140 r5 = r0 + height;
141
142
143// Creation of mother volume V0LE - left part - :
144// Entrance face at -350.0 cm ...
145
146 Float_t partube[3];
147
148 partube[0] = 4.3;
149 partube[1] = 45.0;
150 partube[2] = fThickness1/2.0;
151
152 gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
153
154
155// Creation of five rings - left part - :
156// Entrance face at -350.0 cm ...
157
158// Mother volume V0L0 in which will be set 5 scintillator cells
159
160
161 Float_t partubs[5];
162
163 Float_t r0_left = 4.3;
164 Float_t height1_left = 2.6;
165 Float_t height2_left = 4.1;
166 Float_t height3_left = 6.4;
167 Float_t height4_left = 10.2;
168 Float_t height5_left = 16.9;
169 Float_t height_left = height1_left + height2_left + height3_left
170 + height4_left + height5_left;
171 Float_t r5_left = r0_left + height_left;
172
173
174 partubs[0] = r0_left;
175 partubs[1] = r5_left;
176 partubs[2] = fThickness1/2.0;
177 partubs[3] = 90.0-15.0;
178 partubs[4] = 120.0-15.0;
179
180 gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume
181
182 Float_t r1_left = r0_left + height1_left;
183
184 partubs[0] = r0_left;
185 partubs[1] = r1_left;
186
187 gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume
188 gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
189
190 Float_t r2_left = r1_left + height2_left;
191
192 partubs[0] = r1_left;
193 partubs[1] = r2_left;
194
195 gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume
196 gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
197
198 Float_t r3_left = r2_left + height3_left;
199
200 partubs[0] = r2_left;
201 partubs[1] = r3_left;
202
203 gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume
204 gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
205
206 Float_t r4_left = r3_left + height4_left;
207
208 partubs[0] = r3_left;
209 partubs[1] = r4_left;
210
211
212 gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
213 gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
214
215 partubs[0] = r4_left;
216 partubs[1] = r5_left;
217 partubs[3] = 90.0-15.0;
218 partubs[4] = 120.0-30.0;
219
220
221 gMC->Gsvolu("V0L5","TUBS",idtmed[3005],partubs,5); // quartz volume
222 gMC->Gspos("V0L5",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
223
224
225 partubs[3] = 120.0-30.0;
226 partubs[4] = 120.0-15.0;
227
228
229 gMC->Gsvolu("V0L6","TUBS",idtmed[3005],partubs,5); // quartz volume
230 gMC->Gspos("V0L6",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
231
232
233// Creation of mother volume V0RI - right part - :
234
235
236 partube[0] = r0 - 0.2;
237 partube[1] = r5 + 1.0;
238 partube[2] = fThickness/2.0;
239
240
241 gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
242
243// Creation of carbon lids (1 mm thick) to keep V0RI box shut...
244
245
246 partube[0] = r0;
247 partube[1] = r5;
248 partube[2] = +0.1/2.0;
249
250
251 gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
252 gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
253 gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
254
255// Creation of aluminum rings to maintain the V0RI pieces ...
256
257 partube[0] = r0 - 0.2;
258 partube[1] = r0;
259 partube[2] = +fThickness/2.0;
260
261
262 gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
263 gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
264
265 partube[0] = r5;
266 partube[1] = r5 + 1.0;
267 partube[2] = +fThickness/2.0;
268
269
270 gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
271 gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
272
273// Mother volume V0R0 in which will be set 5 scintillator cells
274
275
276 partubs[0] = r0;
277 partubs[1] = r5;
278 partubs[2] = fThickness/2.0;
279 partubs[3] = 90.0-15.0;
280 partubs[4] = 120.0-15.0;
281
282 gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
283
284
285// Elementary cell of ring 1 :
286// (the cells will be shifted by 3 mm to output fibers)
287
288 Float_t offset_fibers = 0.3;
289 Float_t offset = -fThickness/2.0 + 0.1;
290 Float_t r1 = r0 + height1;
291
292 partubs[0] = r0;
293 partubs[1] = r1;
294 partubs[2] = fThickness1/2.0;
295
296 gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
297 gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , 0.0, 0,"ONLY");
298
299// Elementary cell of ring 2 :
300
301 Float_t r2 = r1 + height2;
302
303 partubs[0] = r1;
304 partubs[1] = r2;
305
306 gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
307 gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , offset_fibers, 0,"ONLY");
308
309
310// Elementary cell of ring 3 :
311
312 Float_t r3 = r2 + height3;
313
314 partubs[0] = r2;
315 partubs[1] = r3;
316
317 gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
318 gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , 2.0 * offset_fibers, 0,"ONLY");
319
320// Elementary cell of ring 4 :
321
322 Float_t r4 = r3 + height4 ;
323
324 partubs[0] = r3;
325 partubs[1] = r4;
326
327 gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
328 gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , 3.0 * offset_fibers, 0,"ONLY");
329
330// Elementary cells of ring 5 :
331
332 partubs[0] = r4;
333 partubs[1] = r5;
334 partubs[3] = 90.0-15.0;
335 partubs[4] = 120.0-30.0;
336
337
338 gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume
339 gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , 4.0 * offset_fibers, 0,"ONLY");
340
341
342 partubs[3] = 120.0-30.0;
343 partubs[4] = 120.0-15.0;
344
345
346 gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume
347 gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , 4.0 * offset_fibers, 0,"ONLY");
348
349
350 Float_t phi_deg = 180./6.;
351
352// Right part :
353
354 for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
355 {
356 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
357 gMC->Gspos("V0R0",n_detec_R,"V0RI",0.0,
358 0.0,offset + half_thick_qua,idrotm[902],"ONLY");
359 n_detec_R++;
360 }
361
362
363 gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,zdet,0,"ONLY");
364
365 n_cells_R = (n_detec_R - 1) * 5;
366 printf(" \n\n\n");
367 printf(" Number of cells on Right side = %d\n", n_cells_R);
368
369// Left part :
370
371 for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
372 {
373 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
374 gMC->Gspos("V0L0",n_detec_L,"V0LE",0.0,
375 0.0,0.0,idrotm[902],"ONLY");
376 n_detec_L++;
377 }
378
379
380 gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,-350.0-fThickness1/2.0,0,"ONLY");
381
382 n_cells_L = (n_detec_L - 1) * 5;
383 printf(" \n\n\n");
384 printf(" Number of cells on Left side = %d\n\n", n_cells_L);
385
386
387}
388
389
390
391//_____________________________________________________________________________
392void AliVZEROv2::BuildGeometry()
393{
394
395// Builds simple ROOT TNode geometry for event display
396
397
398 Int_t i;
399
400 printf("\n");
401 for(i=0;i<30;i++) printf("*");
402 printf(" VZERO BuildGeometry ");
403 for(i=0;i<30;i++) printf("*");
404 printf("\n");
405
406 TNode *Top;
407
408 TNode *V0Rnode, *V0Rnode0, *V0Rnode6 , *V0Rnode7, *V0Rnode8, *V0Rnode9;
409 TNode *V0Rnode1, *V0Rnode2, *V0Rnode3, *V0Rnode4, *V0Rnode5;
410 TNode *V0Lnode, *V0Lnode0;
411 TNode *V0Lnode1, *V0Lnode2, *V0Lnode3, *V0Lnode4, *V0Lnode5, *V0Lnode6;
412
413 const int kColorVZERO = kGreen;
414
415 Top = gAlice->GetGeometry()->GetNode("alice");
416
417 Float_t height1, height2, height3, height4, height5;
418 Float_t height;
419 Float_t theta;
420
421 Float_t half_thick_qua;
422 Float_t zdet;
423 Float_t r0, r5;
424 Float_t pi = TMath::Pi();
425
426
427 height1 = 2.0; // height of cell 1, in cm
428 height2 = 3.2; // height of cell 2, in cm
429 height3 = 4.9; // height of cell 3, in cm
430 height4 = 7.5; // height of cell 4, in cm
431 height5 = 12.0; // height of cell 5, in cm
432
433 theta = pi/6.0/2.0;
434
435 half_thick_qua = fThickness1/2.0;
436
437 zdet = 86.9 +fThickness/2.0;
438 r0 = 4.0;
439 height = height1 + height2 + height3 + height4 + height5;
440 r5 = r0 + height;
441
442 Int_t ndiv = 1;
443
444 Float_t partube[3];
445
446 partube[0] = r0 - 0.2;
447 partube[1] = r5 + 1.0;
448 partube[2] = fThickness/2.0;
449
450 TTUBE *V0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]);
451
452 Top->cd();
453
454 V0Rnode = new TNode("V0RI","V0RI",V0RI,0.0,0.0,+zdet,0);
455
456 V0Rnode->SetLineColor(kBlue);
457 fNodes->Add(V0Rnode);
458
459 V0Rnode->SetVisibility(2);
460
461
462// Rondelles de carbone (epaisseur 1 mm) de maintien des cellules ...
463
464
465 partube[0] = r0;
466 partube[1] = r5;
467 partube[2] = +0.1/2.0;
468
469 TTUBE *V0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]);
470
471 V0Rnode->cd();
472 V0Rnode6 = new TNode("V0CA", "V0CA",V0CA,0.0,0.0, fThickness/2.0-partube[2],0);
473 V0Rnode6->SetLineColor(kYellow);
474 fNodes->Add(V0Rnode6);
475 V0Rnode->cd();
476 V0Rnode7 = new TNode("V0CA", "V0CA",V0CA,0.0,0.0,-fThickness/2.0+partube[2],0);
477 V0Rnode7->SetLineColor(kYellow);
478 fNodes->Add(V0Rnode7);
479
480 partube[0] = r0 - 0.2;
481 partube[1] = r0;
482 partube[2] = +fThickness/2.0;
483
484 TTUBE *V0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]);
485
486
487 V0Rnode->cd();
488 V0Rnode8 = new TNode("V0IR", "V0IR",V0IR,0.0,0.0,0.0,0);
489 V0Rnode8->SetLineColor(kYellow);
490 fNodes->Add(V0Rnode8);
491
492 partube[0] = r5;
493 partube[1] = r5 + 1.0;
494 partube[2] = +fThickness/2.0;
495
496 TTUBE *V0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]);
497
498 V0Rnode->cd();
499 V0Rnode9 = new TNode("V0ER", "V0ER",V0ER,0.0,0.0,0.0,0);
500 V0Rnode9->SetLineColor(kYellow);
501 fNodes->Add(V0Rnode9);
502
503 Float_t partubs[5];
504
505 partubs[0] = r0;
506 partubs[1] = r5;
507 partubs[2] = fThickness/2.0;
508 partubs[3] = 90.0-15.0;
509 partubs[4] = 120.0-15.0;
510
511
512 TTUBS *V0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2],
513 partubs[3], partubs[4]);
514
515 V0R0->SetNumberOfDivisions(ndiv);
516 V0R0->SetLineColor(7);
517
518 Float_t r1 = r0 + height1;
519 Float_t offset = - fThickness/2.0 + 0.1;
520 Float_t offset_fibers = 0.3;
521
522 partubs[0] = r0;
523 partubs[1] = r1;
524 partubs[2] = fThickness1/2.0;
525
526 TTUBS *V0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2],
527 partubs[3], partubs[4]);
528
529 V0R1->SetNumberOfDivisions(ndiv);
530
531 Float_t r2 = r1 + height2;
532
533
534 partubs[0] = r1;
535 partubs[1] = r2;
536
537 TTUBS *V0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2],
538 partubs[3], partubs[4]);
539
540 V0R2->SetNumberOfDivisions(ndiv);
541
542 Float_t r3 = r2 + height3;
543
544
545 partubs[0] = r2;
546 partubs[1] = r3;
547
548 TTUBS *V0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2],
549 partubs[3], partubs[4]);
550 V0R3->SetNumberOfDivisions(ndiv);
551
552 Float_t r4 = r3 + height4;
553
554 partubs[0] = r3;
555 partubs[1] = r4;
556
557 TTUBS *V0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2],
558 partubs[3], partubs[4]);
559
560 V0R4->SetNumberOfDivisions(ndiv);
561
562 partubs[0] = r4;
563 partubs[1] = r5;
564 partubs[3] = 90.0-15.0;
565 partubs[4] = 120.0-30.0;
566
567 TTUBS *V0R5 = new TTUBS("V0R5", "V0R5", "void", partubs[0], partubs[1], partubs[2],
568 partubs[3], partubs[4]);
569
570
571 V0R5->SetNumberOfDivisions(ndiv);
572
573 partubs[3] = 120.0-30.0;
574 partubs[4] = 120.0-15.0;
575
576 TTUBS *V0R6 = new TTUBS("V0R6", "V0R6", "void", partubs[0], partubs[1], partubs[2],
577 partubs[3], partubs[4]);
578
579
580 V0R6->SetNumberOfDivisions(ndiv);
581
582
583 Float_t phi;
584 Float_t phi_deg= 180./6.;
585
586
587 Int_t n_detec_R = 1;
588
589 char NameNode[12];
590
591
592 for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
593
594 {
595
596 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
597
598
599 sprintf(NameNode,"SUBDER%d",n_detec_R);
600
601 V0Rnode->cd();
602 V0Rnode0 = new TNode(NameNode,NameNode,V0R0,0.0,0.0, offset + half_thick_qua,mat920);
603 V0Rnode0->SetLineColor(kColorVZERO);
604 fNodes->Add(V0Rnode0);
605 n_detec_R++;
606
607 sprintf(NameNode,"SUBDER%d",n_detec_R);
608 V0Rnode0->cd();
609 V0Rnode1 = new TNode(NameNode,NameNode,V0R1,0.0,0.0, 0.0,0);
610 V0Rnode1->SetLineColor(kColorVZERO);
611 fNodes->Add(V0Rnode1);
612 n_detec_R++;
613
614 sprintf(NameNode,"SUBDER%d",n_detec_R);
615 V0Rnode0->cd();
616 V0Rnode2 = new TNode(NameNode,NameNode,V0R2,0.0,0.0, offset_fibers,0);
617 V0Rnode2->SetLineColor(kColorVZERO);
618 fNodes->Add(V0Rnode2);
619 n_detec_R++;
620
621
622 sprintf(NameNode,"SUBDER%d",n_detec_R);
623 V0Rnode0->cd();
624 V0Rnode3 = new TNode(NameNode,NameNode,V0R3,0.0,0.0, 2.0*offset_fibers,0);
625 V0Rnode3->SetLineColor(kColorVZERO);
626 fNodes->Add(V0Rnode3);
627 n_detec_R++;
628
629 sprintf(NameNode,"SUBDER%d",n_detec_R);
630 V0Rnode0->cd();
631 V0Rnode4 = new TNode(NameNode,NameNode,V0R4,0.0,0.0, 3.0*offset_fibers,0);
632 V0Rnode4->SetLineColor(kColorVZERO);
633 fNodes->Add(V0Rnode4);
634 n_detec_R++;
635
636 sprintf(NameNode,"SUBDER%d",n_detec_R);
637 V0Rnode0->cd();
638 V0Rnode5 = new TNode(NameNode,NameNode,V0R5,0.0,0.0, 4.0*offset_fibers,0);
639 V0Rnode5->SetLineColor(kColorVZERO);
640 fNodes->Add(V0Rnode5);
641 n_detec_R++;
642
643 sprintf(NameNode,"SUBDER%d",n_detec_R);
644 V0Rnode0->cd();
645 V0Rnode6 = new TNode(NameNode,NameNode,V0R6,0.0,0.0, 4.0*offset_fibers,0);
646 V0Rnode6->SetLineColor(kColorVZERO);
647 fNodes->Add(V0Rnode6);
648 n_detec_R++;
649
650 V0Rnode0->SetVisibility(2);
651
652 }
653
654
655
656// Left side of VZERO :
657
658
659 Float_t r0_left = 4.3;
660 Float_t height1_left = 2.6;
661 Float_t height2_left = 4.1;
662 Float_t height3_left = 6.4;
663 Float_t height4_left = 10.2;
664 Float_t height5_left = 16.9;
665 Float_t height_left = height1_left + height2_left + height3_left
666 + height4_left + height5_left;
667 Float_t r5_left = r0_left + height_left;
668
669 partube[0] = r0_left;
670 partube[1] = r5_left;
671 partube[2] = fThickness1/2.0;
672
673 TTUBE *V0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]);
674
675 Top->cd();
676
677 V0Lnode = new TNode("V0LE","V0LE",V0LE,0.0,0.0,-350.0-fThickness1/2.0,0);
678
679 V0Lnode->SetLineColor(kBlue);
680 fNodes->Add(V0Lnode);
681
682 V0Lnode->SetVisibility(2);
683
684 partubs[0] = r0_left;
685 partubs[1] = r5_left;
686 partubs[2] = fThickness1/2.0;
687 partubs[3] = 90.0-15.0;
688 partubs[4] = 120.0-15.0;
689
690 TTUBS *V0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2],
691 partubs[3], partubs[4]);
692
693 V0L0->SetNumberOfDivisions(ndiv);
694 V0L0->SetLineColor(7);
695
696 Float_t offset_left;
697 offset_left = - fThickness1/2.0;
698
699 Float_t r1_left = r0_left + height1_left;
700
701 partubs[0] = r0_left;
702 partubs[1] = r1_left;
703
704 TTUBS *V0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2],
705 partubs[3], partubs[4]);
706
707 V0L1->SetNumberOfDivisions(ndiv);
708
709 Float_t r2_left = r1_left + height2_left;
710
711 partubs[0] = r1_left;
712 partubs[1] = r2_left;
713
714 TTUBS *V0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2],
715 partubs[3], partubs[4]);
716
717 V0L2->SetNumberOfDivisions(ndiv);
718
719 Float_t r3_left = r2_left + height3_left;
720
721 partubs[0] = r2_left;
722 partubs[1] = r3_left;
723
724 TTUBS *V0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2],
725 partubs[3], partubs[4]);
726 V0L3->SetNumberOfDivisions(ndiv);
727
728 Float_t r4_left = r3_left + height4_left;
729
730 partubs[0] = r3_left;
731 partubs[1] = r4_left;
732
733 TTUBS *V0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2],
734 partubs[3], partubs[4]);
735
736 V0L4->SetNumberOfDivisions(ndiv);
737
738 partubs[0] = r4_left;
739 partubs[1] = r5_left;
740 partubs[3] = 90.0-15.0;
741 partubs[4] = 120.0-30.0;
742
743 TTUBS *V0L5 = new TTUBS("V0L5", "V0L5", "void", partubs[0], partubs[1], partubs[2],
744 partubs[3], partubs[4]);
745
746
747 V0L5->SetNumberOfDivisions(ndiv);
748
749 partubs[3] = 120.0-30.0;
750 partubs[4] = 120.0-15.0;
751
752 TTUBS *V0L6 = new TTUBS("V0L6", "V0L6", "void", partubs[0], partubs[1], partubs[2],
753 partubs[3], partubs[4]);
754
755
756 V0L6->SetNumberOfDivisions(ndiv);
757
758 Int_t n_detec_L = 1;
759
760
761 for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
762
763 {
764
765 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
766
767
768 sprintf(NameNode,"SUBDEL%d",n_detec_L);
769
770 V0Lnode->cd();
771 V0Lnode0 = new TNode(NameNode,NameNode,V0L0,0.0,0.0, offset_left + half_thick_qua,mat920);
772 V0Lnode0->SetLineColor(kColorVZERO);
773 fNodes->Add(V0Lnode0);
774 n_detec_L++;
775
776 sprintf(NameNode,"SUBDEL%d",n_detec_L);
777 V0Lnode0->cd();
778 V0Lnode1 = new TNode(NameNode,NameNode,V0L1,0.0,0.0, 0.0,0);
779 V0Lnode1->SetLineColor(kColorVZERO);
780 fNodes->Add(V0Lnode1);
781 n_detec_L++;
782
783 sprintf(NameNode,"SUBDEL%d",n_detec_L);
784 V0Lnode0->cd();
785 V0Lnode2 = new TNode(NameNode,NameNode,V0L2,0.0,0.0, 0.0,0);
786 V0Lnode2->SetLineColor(kColorVZERO);
787 fNodes->Add(V0Lnode2);
788 n_detec_L++;
789
790
791 sprintf(NameNode,"SUBDEL%d",n_detec_L);
792 V0Lnode0->cd();
793 V0Lnode3 = new TNode(NameNode,NameNode,V0L3,0.0,0.0, 0.0,0);
794 V0Lnode3->SetLineColor(kColorVZERO);
795 fNodes->Add(V0Lnode3);
796 n_detec_L++;
797
798 sprintf(NameNode,"SUBDEL%d",n_detec_L);
799 V0Lnode0->cd();
800 V0Lnode4 = new TNode(NameNode,NameNode,V0L4,0.0,0.0, 0.0,0);
801 V0Lnode4->SetLineColor(kColorVZERO);
802 fNodes->Add(V0Lnode4);
803 n_detec_L++;
804
805 sprintf(NameNode,"SUBDEL%d",n_detec_L);
806 V0Lnode0->cd();
807 V0Lnode5 = new TNode(NameNode,NameNode,V0L5,0.0,0.0, 0.0,0);
808 V0Lnode5->SetLineColor(kColorVZERO);
809 fNodes->Add(V0Lnode5);
810 n_detec_L++;
811
812 sprintf(NameNode,"SUBDEL%d",n_detec_L);
813 V0Lnode0->cd();
814 V0Lnode6 = new TNode(NameNode,NameNode,V0L6,0.0,0.0, 0.0,0);
815 V0Lnode6->SetLineColor(kColorVZERO);
816 fNodes->Add(V0Lnode6);
817 n_detec_L++;
818
819 V0Lnode0->SetVisibility(2);
820
821 }
822
823
824}
825
826
827//------------------------------------------------------------------------
828void AliVZEROv2::CreateMaterials()
829{
830 Int_t i;
831
832 printf("\n");
833 for(i=0;i<30;i++) printf("*");
834 printf(" VZERO create materials ");
835 for(i=0;i<30;i++) printf("*");
836 printf("\n");
837
838/*
839 Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
840 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
841
842
843 Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9,
844 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
845
846 Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
847 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
848 1.662295, 1.68337 };
849
850 Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
851 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
852
853 Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
854
855
856 Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
857
858
859 Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
860 1e-4,1e-4,1e-4,1e-4 };
861 Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
862
863*/
864
865 Int_t *idtmed = fIdtmed->GetArray()-2999;
866
867// TGeant3 *geant3 = (TGeant3*) gMC;
868
869// Parameters related to Quarz (SiO2) :
870
871 Float_t aqua[2], zqua[2], densqua, wmatqua[2];
872 Int_t nlmatqua;
873
874 aqua[0] = 28.09;
875 aqua[1] = 16.;
876 zqua[0] = 14.;
877 zqua[1] = 8.;
878 densqua = 2.64;
879 nlmatqua = -2;
880 wmatqua[0] = 1.;
881 wmatqua[1] = 2.;
882
883// Parameters related to aluminum sheets :
884
885 Float_t aal = 26.98;
886 Float_t zal = 13.00;
887 Float_t densal= 2.7;
888 Float_t radlal= 8.9;
889
890// Parameters related to scintillator CH :
891
892 Float_t ascin[2] = {1.00794,12.011};
893 Float_t zscin[2] = {1.,6.};
894 Float_t wscin[2] = {1.,1.};
895 Float_t denscin = 1.032;
896
897// Definition of materials :
898
899 AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
900 AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
901 AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
902 AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
903 AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
904 AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
905
906 AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
907
908
909 Int_t ISXFLD = gAlice->Field()->Integ();
910 Float_t SXMGMX = gAlice->Field()->Max();
911
912 Float_t tmaxfd, stemax, deemax, epsil, stmin;
913
914 tmaxfd = 10.;
915 stemax = 0.1;
916 deemax = 0.1;
917 epsil = 0.001;
918 stmin = 0.001;
919
920// Active Air :
921 AliMedium(1, "ACTIVE AIR$", 1, 1, ISXFLD, SXMGMX,
922 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
923
924// Inactive air :
925
926 AliMedium(11, "INACTIVE AIR$", 11, 0, ISXFLD, SXMGMX,
927 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
928
929 AliMedium(2, "CARBON$ ", 2, 1, ISXFLD, SXMGMX,
930 tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
931
932 AliMedium(3, "QUARZ$", 3, 1, ISXFLD, SXMGMX,
933 tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
934
935 AliMedium(4,"ALUMINUM1$",4, 1, ISXFLD, SXMGMX,
936 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
937
938
939 AliMedium(5,"ALUMINUM2$",5, 1, ISXFLD, SXMGMX,
940 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
941
942 AliMedium(6,"SCINTILLATOR$",6, 1, ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0);
943
944 gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
945 gMC->Gstpar(idtmed[3000], "HADR", 1.);
946 gMC->Gstpar(idtmed[3000], "DCAY", 1.);
947 gMC->Gstpar(idtmed[3000], "DRAY", 1.);
948
949 gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon
950 gMC->Gstpar(idtmed[3001], "HADR", 1.);
951 gMC->Gstpar(idtmed[3001], "DCAY", 1.);
952 gMC->Gstpar(idtmed[3001], "DRAY", 1.);
953
954 gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
955 gMC->Gstpar(idtmed[3002], "HADR", 1.);
956 gMC->Gstpar(idtmed[3002], "DCAY", 1.);
957 gMC->Gstpar(idtmed[3002], "DRAY", 1.);
958 gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
959 gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
960
961 gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
962 gMC->Gstpar(idtmed[3003], "HADR", 1.);
963 gMC->Gstpar(idtmed[3003], "DCAY", 1.);
964 gMC->Gstpar(idtmed[3003], "DRAY", 1.);
965
966 gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum
967 gMC->Gstpar(idtmed[3004], "HADR", 1.);
968 gMC->Gstpar(idtmed[3004], "DCAY", 1.);
969 gMC->Gstpar(idtmed[3004], "DRAY", 1.);
970 gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
971 gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
972
973 gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
974 gMC->Gstpar(idtmed[3005], "HADR", 1.);
975 gMC->Gstpar(idtmed[3005], "DCAY", 1.);
976 gMC->Gstpar(idtmed[3005], "DRAY", 1.);
977 gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ;
978 gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ;
979
980
981// geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
982// geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
983
984// gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
985// gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
986
987
988}
989//---------------------------------------------------------------------
990void AliVZEROv2::DrawModule()
991{
992
993// Drawing is done in DrawVZERO.C
994
995 Int_t i;
996
997 printf("\n");
998 for(i=0;i<30;i++) printf("*");
999 printf(" VZERO DrawModule ");
1000 for(i=0;i<30;i++) printf("*");
1001 printf("\n");
1002
1003
1004}
1005
1006//-------------------------------------------------------------------
1007void AliVZEROv2::Init()
1008{
1009// Initialises version 1 of the VZERO Detector
1010// Just prints an information message
1011
1012 printf(" VZERO version %d initialized \n",IsVersion());
1013
1014// gMC->SetMaxStep(fMaxStepAlu);
1015// gMC->SetMaxStep(fMaxStepQua);
1016
1017 AliVZERO::Init();
1018
1019}
1020
1021//-------------------------------------------------------------------
1022
1023void AliVZEROv2::StepManager()
1024{
1025
1026 Int_t copy;
1027 static Int_t vol[4];
1028 static Float_t hits[16];
1029 static Float_t eloss, tlength;
1030
1031 TLorentzVector pos;
1032 TLorentzVector mom;
1033
1034 Float_t theta;
1035 Float_t phi;
1036 Float_t kRaddeg = 180/TMath::Pi();
1037 Float_t RingNumber;
1038
1039 Int_t ipart;
1040 Float_t destep, step;
1041
1042
1043// We keep only charged tracks :
1044
1045 if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
1046
1047
1048 vol[0] = gMC->CurrentVolOffID(1, vol[1]);
1049 vol[2] = gMC->CurrentVolID(copy);
1050 vol[3] = copy;
1051
1052
1053 if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R1") ||
1054 gMC->CurrentVolID(copy) == gMC->VolId("V0L1") )
1055 RingNumber = 1.0;
1056 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R2") ||
1057 gMC->CurrentVolID(copy) == gMC->VolId("V0L2") )
1058 RingNumber = 2.0;
1059 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R3") ||
1060 gMC->CurrentVolID(copy) == gMC->VolId("V0L3") )
1061 RingNumber = 3.0;
1062 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R4") ||
1063 gMC->CurrentVolID(copy) == gMC->VolId("V0L4") )
1064 RingNumber = 4.0;
1065 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R5") ||
1066 gMC->CurrentVolID(copy) == gMC->VolId("V0L5") ||
1067 gMC->CurrentVolID(copy) == gMC->VolId("V0L6") ||
1068 gMC->CurrentVolID(copy) == gMC->VolId("V0R6") )
1069 RingNumber = 5.0;
1070 else
1071 RingNumber = 0.0;
1072
1073 if ( RingNumber > 0.5 ) {
1074
1075 destep = gMC->Edep();
1076 step = gMC->TrackStep();
1077 eloss += destep;
1078 tlength += step;
1079
1080
1081 if ( gMC->IsTrackEntering() ) {
1082
1083 gMC->TrackPosition(pos);
1084
1085 gMC->TrackMomentum(mom);
1086 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1087 Double_t Pt = TMath::Sqrt(tc);
1088 Double_t Pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
1089 theta = Float_t(TMath::ATan2(Pt,Double_t(mom[2])))*kRaddeg;
1090 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1091
1092 ipart = gMC->TrackPid();
1093
1094 hits[0] = pos[0];
1095 hits[1] = pos[1];
1096 hits[2] = pos[2];
1097 hits[3] = ipart;
1098
1099 hits[4] = gMC->TrackTime();
1100 hits[5] = gMC->TrackCharge();
1101 hits[6] = theta;
1102 hits[7] = phi;
1103 hits[8] = RingNumber;
1104
1105 hits[9] = Pt;
1106 hits[10] = Pmom;
1107 hits[11] = mom[0];
1108 hits[12] = mom[1];
1109 hits[13] = mom[2];
1110
1111 tlength = 0.0;
1112 eloss = 0.0;
1113
1114 }
1115
1116 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
1117
1118 hits[14] = eloss;
1119 hits[15] = tlength;
1120
1121 AddHit(gAlice->CurrentTrack(), vol, hits);
1122
1123 tlength = 0.0;
1124 eloss = 0.0;
1125
1126
1127 }
1128 }
1129
1130}
1131
1132//_____________________________________________________________________________
1133void AliVZEROv2::AddHit(Int_t track, Int_t *vol, Float_t *hits)
1134{
1135
1136 // Add a VZERO hit
1137
1138
1139 TClonesArray &lhits = *fHits;
1140 new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
1141}
1142
1143//---------------------------------------------------------------------
1144void AliVZEROv2::AddDigits(Int_t *tracks, Int_t* digits)
1145{
1146
1147 TClonesArray &ldigits = *fDigits;
1148 new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
1149}
1150
1151//---------------------------------------------------------------------
1152void AliVZEROv2::MakeBranch(Option_t *option)
1153{
1154
1155 // Creates new branches in the current Root Tree
1156
1157
1158 char branchname[10];
1159 sprintf(branchname,"%s",GetName());
1160 printf(" fBufferSize = %d \n",fBufferSize);
1161
1162 const char *H = strstr(option,"H");
1163
1164 if (fHits && gAlice->TreeH() && H) {
1165 gAlice->TreeH()->Branch(branchname,&fHits, fBufferSize);
1166 printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname);
1167 }
1168
1169 const char *D = strstr(option,"D");
1170 //
1171 if (fDigits && gAlice->TreeD() && D) {
1172 gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
1173 printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname);
1174 }
1175
1176}