New methods and data member added by M. Horner.
[u/mrichter/AliRoot.git] / VZERO / AliVZEROv2.cxx
CommitLineData
47d9b1cb 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 //
c288a388 22// Geometry of the 4th of november 2002 //
47d9b1cb 23// (circular instead of trapezoidal shapes as in previous versions //
c288a388 24// plus changes in cell dimensions and offsets) //
47d9b1cb 25// //
26//////////////////////////////////////////////////////////////////////
27
28#include <TMath.h>
c288a388 29#include <TTree.h>
30#include <TParticle.h>
47d9b1cb 31#include <TGeometry.h>
32#include <TTRD2.h>
33#include <TCONE.h>
34#include <TPGON.h>
35#include <TPCON.h>
36#include <TSPHE.h>
37#include <TTRAP.h>
38#include <TTUBS.h>
39#include <TTUBE.h>
40#include <TBRIK.h>
41#include <TBox.h>
42
43#include <TShape.h>
44#include <TNode.h>
45#include <TClonesArray.h>
46#include <TH1.h>
47#include <string.h>
3af027ba 48#include <Riostream.h>
47d9b1cb 49
50#include "AliVZEROv2.h"
51#include "AliRun.h"
52#include "AliMagF.h"
47d9b1cb 53#include "AliVZEROhit.h"
54#include "AliVZEROdigit.h"
3af027ba 55#include <Riostream.h>
56#include <Riostream.h>
47d9b1cb 57
58#include <TGeant3.h>
59#include <stdlib.h>
60#include "TObjectTable.h"
61
62#include "AliConst.h"
63#include "TLorentzVector.h"
64
65ClassImp(AliVZEROv2)
66
67//--------------------------------------------------------------------
68AliVZEROv2:: AliVZEROv2():AliVZERO()
69{
70
47d9b1cb 71}
72//--------------------------------------------------------------------
73AliVZEROv2::AliVZEROv2(const char *name, const char *title):
74 AliVZERO(name,title)
75{
76
77// Standard constructor for V-zeroR Detector (right part) version 0
78
47d9b1cb 79 Int_t i;
80
81 printf("\n");
c288a388 82 for(i=0;i<26;i++) printf("*");
47d9b1cb 83 printf(" Create VZERO object ");
c288a388 84 for(i=0;i<26;i++) printf("*");
47d9b1cb 85 printf("\n");
86
87}
88
89//-------------------------------------------------------------------------
90void AliVZEROv2::CreateGeometry()
91{
92
93// Creates the GEANT geometry of the V-zero Detector version 2
47d9b1cb 94
95 Int_t i;
96
97 printf("\n");
c288a388 98 for(i=0;i<26;i++) printf("*");
47d9b1cb 99 printf(" Create VZERO Geometry ");
c288a388 100 for(i=0;i<26;i++) printf("*");
47d9b1cb 101 printf("\n");
c288a388 102
47d9b1cb 103 Int_t *idtmed = fIdtmed->GetArray()-2999;
104
105 Int_t n_detec_R = 1;
106 Int_t n_detec_L = 1;
107
108 Int_t n_cells_R = 1;
109 Int_t n_cells_L = 1;
110
111 Int_t idrotm[999];
112
113 Float_t height1, height2, height3, height4, height5;
114 Float_t height;
115 Float_t theta;
116
117 Float_t half_thick_qua;
118
119 Float_t zdet;
120 Float_t r0, r5;
121 Float_t pi = TMath::Pi();
c288a388 122
123 height1 = 1.82; // height of cell 1, in cm
124 height2 = 3.81; // height of cell 2, in cm
125 height3 = 4.72; // height of cell 3, in cm
126 height4 = 7.12; // height of cell 4, in cm
127 height5 = 10.83; // height of cell 5, in cm
47d9b1cb 128
129 theta = pi/6.0/2.0; // half angular opening = 15 degrees
c288a388 130
47d9b1cb 131 half_thick_qua = fThickness1/2.0; // half thickness of elementary cell (inner ring)
c288a388 132
133 zdet = 90.0 - 0.6 -fThickness/2.0; // distance to vertex (along Z axis)
134 r0 = 4.05; // closest distance to center of the beam pipe
47d9b1cb 135 height = height1 + height2 + height3 + height4 + height5;
136 r5 = r0 + height;
137
47d9b1cb 138// Creation of mother volume V0LE - left part - :
139// Entrance face at -350.0 cm ...
140
141 Float_t partube[3];
142
143 partube[0] = 4.3;
144 partube[1] = 45.0;
145 partube[2] = fThickness1/2.0;
146
147 gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
c288a388 148
47d9b1cb 149// Creation of five rings - left part - :
150// Entrance face at -350.0 cm ...
151
152// Mother volume V0L0 in which will be set 5 scintillator cells
153
47d9b1cb 154 Float_t partubs[5];
155
156 Float_t r0_left = 4.3;
157 Float_t height1_left = 2.6;
158 Float_t height2_left = 4.1;
159 Float_t height3_left = 6.4;
160 Float_t height4_left = 10.2;
161 Float_t height5_left = 16.9;
162 Float_t height_left = height1_left + height2_left + height3_left
163 + height4_left + height5_left;
164 Float_t r5_left = r0_left + height_left;
165
47d9b1cb 166 partubs[0] = r0_left;
167 partubs[1] = r5_left;
168 partubs[2] = fThickness1/2.0;
169 partubs[3] = 90.0-15.0;
170 partubs[4] = 120.0-15.0;
171
172 gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume
173
174 Float_t r1_left = r0_left + height1_left;
175
176 partubs[0] = r0_left;
177 partubs[1] = r1_left;
178
179 gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume
180 gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
181
182 Float_t r2_left = r1_left + height2_left;
183
184 partubs[0] = r1_left;
185 partubs[1] = r2_left;
186
187 gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume
188 gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
189
190 Float_t r3_left = r2_left + height3_left;
191
192 partubs[0] = r2_left;
193 partubs[1] = r3_left;
194
195 gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume
196 gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
197
198 Float_t r4_left = r3_left + height4_left;
199
200 partubs[0] = r3_left;
201 partubs[1] = r4_left;
202
47d9b1cb 203 gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
204 gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
205
206 partubs[0] = r4_left;
207 partubs[1] = r5_left;
208 partubs[3] = 90.0-15.0;
209 partubs[4] = 120.0-30.0;
210
47d9b1cb 211 gMC->Gsvolu("V0L5","TUBS",idtmed[3005],partubs,5); // quartz volume
212 gMC->Gspos("V0L5",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
213
47d9b1cb 214 partubs[3] = 120.0-30.0;
215 partubs[4] = 120.0-15.0;
216
47d9b1cb 217 gMC->Gsvolu("V0L6","TUBS",idtmed[3005],partubs,5); // quartz volume
218 gMC->Gspos("V0L6",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
219
220
221// Creation of mother volume V0RI - right part - :
47d9b1cb 222
223 partube[0] = r0 - 0.2;
224 partube[1] = r5 + 1.0;
225 partube[2] = fThickness/2.0;
c288a388 226
47d9b1cb 227 gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
228
c288a388 229// Creation of carbon lids (3 mm thick) to keep V0RI box shut...
47d9b1cb 230
231 partube[0] = r0;
232 partube[1] = r5;
c288a388 233 partube[2] = +0.3/2.0;
234
47d9b1cb 235 gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
236 gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
237 gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
238
239// Creation of aluminum rings to maintain the V0RI pieces ...
240
241 partube[0] = r0 - 0.2;
242 partube[1] = r0;
243 partube[2] = +fThickness/2.0;
c288a388 244
47d9b1cb 245 gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
246 gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
247
248 partube[0] = r5;
249 partube[1] = r5 + 1.0;
250 partube[2] = +fThickness/2.0;
251
47d9b1cb 252 gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
253 gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
254
255// Mother volume V0R0 in which will be set 5 scintillator cells
47d9b1cb 256
257 partubs[0] = r0;
258 partubs[1] = r5;
259 partubs[2] = fThickness/2.0;
260 partubs[3] = 90.0-15.0;
261 partubs[4] = 120.0-15.0;
262
c288a388 263 gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
47d9b1cb 264
265// Elementary cell of ring 1 :
266// (the cells will be shifted by 3 mm to output fibers)
267
c288a388 268 Float_t offset_fibers = 0.7;
269 Float_t offset = fThickness/2.0 - 0.3 - fThickness1/2.0;
47d9b1cb 270 Float_t r1 = r0 + height1;
271
272 partubs[0] = r0;
273 partubs[1] = r1;
274 partubs[2] = fThickness1/2.0;
275
276 gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 277 gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , offset, 0,"ONLY");
47d9b1cb 278
279// Elementary cell of ring 2 :
280
281 Float_t r2 = r1 + height2;
282
283 partubs[0] = r1;
284 partubs[1] = r2;
285
286 gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 287 gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , offset - offset_fibers, 0,"ONLY");
47d9b1cb 288
289
290// Elementary cell of ring 3 :
291
292 Float_t r3 = r2 + height3;
293
294 partubs[0] = r2;
295 partubs[1] = r3;
296
297 gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 298 gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , offset - 2.0 * offset_fibers, 0,"ONLY");
47d9b1cb 299
300// Elementary cell of ring 4 :
301
302 Float_t r4 = r3 + height4 ;
303
304 partubs[0] = r3;
305 partubs[1] = r4;
306
307 gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 308 gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , offset - 3.0 * offset_fibers, 0,"ONLY");
47d9b1cb 309
310// Elementary cells of ring 5 :
311
312 partubs[0] = r4;
313 partubs[1] = r5;
314 partubs[3] = 90.0-15.0;
315 partubs[4] = 120.0-30.0;
316
47d9b1cb 317 gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 318 gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , offset - 4.0 * offset_fibers, 0,"ONLY");
47d9b1cb 319
320 partubs[3] = 120.0-30.0;
321 partubs[4] = 120.0-15.0;
322
47d9b1cb 323 gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume
c288a388 324 gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , offset - 4.0 * offset_fibers, 0,"ONLY");
325
47d9b1cb 326 Float_t phi_deg = 180./6.;
327
328// Right part :
329
330 for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
331 {
332 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
333 gMC->Gspos("V0R0",n_detec_R,"V0RI",0.0,
c288a388 334 0.0,0.0,idrotm[902],"ONLY");
47d9b1cb 335 n_detec_R++;
336 }
337
650cd9d0 338 gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,zdet,0,"ONLY");
47d9b1cb 339
c288a388 340 n_cells_R = (n_detec_R - 1) * 6;
47d9b1cb 341 printf(" Number of cells on Right side = %d\n", n_cells_R);
342
343// Left part :
344
345 for(Float_t phi = 15.0; phi < 360.0; phi = phi + phi_deg)
346 {
347 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
348 gMC->Gspos("V0L0",n_detec_L,"V0LE",0.0,
349 0.0,0.0,idrotm[902],"ONLY");
350 n_detec_L++;
351 }
352
650cd9d0 353 gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,-350.0-fThickness1/2.0,0,"ONLY");
47d9b1cb 354
c288a388 355 n_cells_L = (n_detec_L - 1) * 6;
356 printf(" Number of cells on Left side = %d\n", n_cells_L);
357 for(i=0;i<75;i++) printf("*");
358 printf("\n");
359
47d9b1cb 360}
c288a388 361
47d9b1cb 362//_____________________________________________________________________________
363void AliVZEROv2::BuildGeometry()
364{
365
366// Builds simple ROOT TNode geometry for event display
367
47d9b1cb 368 Int_t i;
369
370 printf("\n");
371 for(i=0;i<30;i++) printf("*");
372 printf(" VZERO BuildGeometry ");
373 for(i=0;i<30;i++) printf("*");
374 printf("\n");
375
376 TNode *Top;
377
378 TNode *V0Rnode, *V0Rnode0, *V0Rnode6 , *V0Rnode7, *V0Rnode8, *V0Rnode9;
379 TNode *V0Rnode1, *V0Rnode2, *V0Rnode3, *V0Rnode4, *V0Rnode5;
380 TNode *V0Lnode, *V0Lnode0;
381 TNode *V0Lnode1, *V0Lnode2, *V0Lnode3, *V0Lnode4, *V0Lnode5, *V0Lnode6;
382
383 const int kColorVZERO = kGreen;
384
385 Top = gAlice->GetGeometry()->GetNode("alice");
386
387 Float_t height1, height2, height3, height4, height5;
388 Float_t height;
389 Float_t theta;
390
391 Float_t half_thick_qua;
392 Float_t zdet;
393 Float_t r0, r5;
394 Float_t pi = TMath::Pi();
c288a388 395
396 height1 = 1.82; // height of cell 1, in cm
397 height2 = 3.81; // height of cell 2, in cm
398 height3 = 4.72; // height of cell 3, in cm
399 height4 = 7.12; // height of cell 4, in cm
400 height5 = 10.83; // height of cell 5, in cm
401
47d9b1cb 402 theta = pi/6.0/2.0;
403
404 half_thick_qua = fThickness1/2.0;
405
c288a388 406 zdet = 90.0 - 0.6 - fThickness/2.0;
407 r0 = 4.05;
47d9b1cb 408 height = height1 + height2 + height3 + height4 + height5;
409 r5 = r0 + height;
410
411 Int_t ndiv = 1;
412
413 Float_t partube[3];
414
415 partube[0] = r0 - 0.2;
416 partube[1] = r5 + 1.0;
417 partube[2] = fThickness/2.0;
418
419 TTUBE *V0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]);
420
421 Top->cd();
422
423 V0Rnode = new TNode("V0RI","V0RI",V0RI,0.0,0.0,+zdet,0);
424
c288a388 425 V0Rnode->SetLineColor(kYellow);
426 fNodes->Add(V0Rnode);
427 V0Rnode->SetVisibility(2);
47d9b1cb 428
c288a388 429// Rondelles de carbone (epaisseur 3 mm) de maintien des cellules ...
430
47d9b1cb 431 partube[0] = r0;
432 partube[1] = r5;
c288a388 433 partube[2] = +0.3/2.0;
47d9b1cb 434
435 TTUBE *V0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]);
436
437 V0Rnode->cd();
438 V0Rnode6 = new TNode("V0CA", "V0CA",V0CA,0.0,0.0, fThickness/2.0-partube[2],0);
439 V0Rnode6->SetLineColor(kYellow);
440 fNodes->Add(V0Rnode6);
441 V0Rnode->cd();
442 V0Rnode7 = new TNode("V0CA", "V0CA",V0CA,0.0,0.0,-fThickness/2.0+partube[2],0);
443 V0Rnode7->SetLineColor(kYellow);
444 fNodes->Add(V0Rnode7);
445
446 partube[0] = r0 - 0.2;
447 partube[1] = r0;
448 partube[2] = +fThickness/2.0;
449
450 TTUBE *V0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]);
47d9b1cb 451
452 V0Rnode->cd();
453 V0Rnode8 = new TNode("V0IR", "V0IR",V0IR,0.0,0.0,0.0,0);
454 V0Rnode8->SetLineColor(kYellow);
455 fNodes->Add(V0Rnode8);
456
457 partube[0] = r5;
458 partube[1] = r5 + 1.0;
459 partube[2] = +fThickness/2.0;
460
461 TTUBE *V0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]);
462
463 V0Rnode->cd();
464 V0Rnode9 = new TNode("V0ER", "V0ER",V0ER,0.0,0.0,0.0,0);
465 V0Rnode9->SetLineColor(kYellow);
466 fNodes->Add(V0Rnode9);
467
468 Float_t partubs[5];
469
470 partubs[0] = r0;
471 partubs[1] = r5;
472 partubs[2] = fThickness/2.0;
473 partubs[3] = 90.0-15.0;
474 partubs[4] = 120.0-15.0;
475
47d9b1cb 476 TTUBS *V0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2],
477 partubs[3], partubs[4]);
478
c288a388 479 V0R0->SetNumberOfDivisions(ndiv);
47d9b1cb 480
481 Float_t r1 = r0 + height1;
c288a388 482 Float_t offset = fThickness/2.0 - 0.3 - fThickness1/2.0;
483 Float_t offset_fibers = 0.7;
47d9b1cb 484
485 partubs[0] = r0;
486 partubs[1] = r1;
487 partubs[2] = fThickness1/2.0;
488
489 TTUBS *V0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2],
490 partubs[3], partubs[4]);
491
492 V0R1->SetNumberOfDivisions(ndiv);
493
494 Float_t r2 = r1 + height2;
47d9b1cb 495
496 partubs[0] = r1;
497 partubs[1] = r2;
498
499 TTUBS *V0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2],
500 partubs[3], partubs[4]);
501
502 V0R2->SetNumberOfDivisions(ndiv);
503
504 Float_t r3 = r2 + height3;
47d9b1cb 505
506 partubs[0] = r2;
507 partubs[1] = r3;
508
509 TTUBS *V0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2],
510 partubs[3], partubs[4]);
511 V0R3->SetNumberOfDivisions(ndiv);
512
513 Float_t r4 = r3 + height4;
514
515 partubs[0] = r3;
516 partubs[1] = r4;
517
518 TTUBS *V0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2],
519 partubs[3], partubs[4]);
520
521 V0R4->SetNumberOfDivisions(ndiv);
522
523 partubs[0] = r4;
524 partubs[1] = r5;
525 partubs[3] = 90.0-15.0;
526 partubs[4] = 120.0-30.0;
527
528 TTUBS *V0R5 = new TTUBS("V0R5", "V0R5", "void", partubs[0], partubs[1], partubs[2],
529 partubs[3], partubs[4]);
530
47d9b1cb 531 V0R5->SetNumberOfDivisions(ndiv);
532
533 partubs[3] = 120.0-30.0;
534 partubs[4] = 120.0-15.0;
535
536 TTUBS *V0R6 = new TTUBS("V0R6", "V0R6", "void", partubs[0], partubs[1], partubs[2],
537 partubs[3], partubs[4]);
538
47d9b1cb 539 V0R6->SetNumberOfDivisions(ndiv);
47d9b1cb 540
541 Float_t phi;
542 Float_t phi_deg= 180./6.;
c288a388 543
47d9b1cb 544 Int_t n_detec_R = 1;
545
546 char NameNode[12];
47d9b1cb 547
548 for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
549
550 {
551
552 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
c288a388 553
47d9b1cb 554 sprintf(NameNode,"SUBDER%d",n_detec_R);
555
556 V0Rnode->cd();
c288a388 557 V0Rnode0 = new TNode(NameNode,NameNode,V0R0,0.0,0.0, 0.0,mat920);
558 V0Rnode0->SetLineColor(kYellow);
47d9b1cb 559 fNodes->Add(V0Rnode0);
560 n_detec_R++;
561
562 sprintf(NameNode,"SUBDER%d",n_detec_R);
563 V0Rnode0->cd();
c288a388 564 V0Rnode1 = new TNode(NameNode,NameNode,V0R1,0.0,0.0, offset,0);
47d9b1cb 565 V0Rnode1->SetLineColor(kColorVZERO);
566 fNodes->Add(V0Rnode1);
567 n_detec_R++;
568
569 sprintf(NameNode,"SUBDER%d",n_detec_R);
570 V0Rnode0->cd();
c288a388 571 V0Rnode2 = new TNode(NameNode,NameNode,V0R2,0.0,0.0, offset - offset_fibers,0);
47d9b1cb 572 V0Rnode2->SetLineColor(kColorVZERO);
573 fNodes->Add(V0Rnode2);
574 n_detec_R++;
575
47d9b1cb 576 sprintf(NameNode,"SUBDER%d",n_detec_R);
577 V0Rnode0->cd();
c288a388 578 V0Rnode3 = new TNode(NameNode,NameNode,V0R3,0.0,0.0, offset - 2.0*offset_fibers,0);
47d9b1cb 579 V0Rnode3->SetLineColor(kColorVZERO);
580 fNodes->Add(V0Rnode3);
581 n_detec_R++;
582
583 sprintf(NameNode,"SUBDER%d",n_detec_R);
584 V0Rnode0->cd();
c288a388 585 V0Rnode4 = new TNode(NameNode,NameNode,V0R4,0.0,0.0, offset - 3.0*offset_fibers,0);
47d9b1cb 586 V0Rnode4->SetLineColor(kColorVZERO);
587 fNodes->Add(V0Rnode4);
588 n_detec_R++;
589
590 sprintf(NameNode,"SUBDER%d",n_detec_R);
591 V0Rnode0->cd();
c288a388 592 V0Rnode5 = new TNode(NameNode,NameNode,V0R5,0.0,0.0, offset - 4.0*offset_fibers,0);
47d9b1cb 593 V0Rnode5->SetLineColor(kColorVZERO);
594 fNodes->Add(V0Rnode5);
595 n_detec_R++;
596
597 sprintf(NameNode,"SUBDER%d",n_detec_R);
598 V0Rnode0->cd();
c288a388 599 V0Rnode6 = new TNode(NameNode,NameNode,V0R6,0.0,0.0, offset - 4.0*offset_fibers,0);
47d9b1cb 600 V0Rnode6->SetLineColor(kColorVZERO);
601 fNodes->Add(V0Rnode6);
602 n_detec_R++;
603
604 V0Rnode0->SetVisibility(2);
605
606 }
607
47d9b1cb 608// Left side of VZERO :
47d9b1cb 609
610 Float_t r0_left = 4.3;
611 Float_t height1_left = 2.6;
612 Float_t height2_left = 4.1;
613 Float_t height3_left = 6.4;
614 Float_t height4_left = 10.2;
615 Float_t height5_left = 16.9;
616 Float_t height_left = height1_left + height2_left + height3_left
617 + height4_left + height5_left;
618 Float_t r5_left = r0_left + height_left;
619
620 partube[0] = r0_left;
621 partube[1] = r5_left;
622 partube[2] = fThickness1/2.0;
623
624 TTUBE *V0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]);
625
626 Top->cd();
627
628 V0Lnode = new TNode("V0LE","V0LE",V0LE,0.0,0.0,-350.0-fThickness1/2.0,0);
629
630 V0Lnode->SetLineColor(kBlue);
631 fNodes->Add(V0Lnode);
632
633 V0Lnode->SetVisibility(2);
634
635 partubs[0] = r0_left;
636 partubs[1] = r5_left;
637 partubs[2] = fThickness1/2.0;
638 partubs[3] = 90.0-15.0;
639 partubs[4] = 120.0-15.0;
640
641 TTUBS *V0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2],
642 partubs[3], partubs[4]);
643
644 V0L0->SetNumberOfDivisions(ndiv);
645 V0L0->SetLineColor(7);
646
647 Float_t offset_left;
648 offset_left = - fThickness1/2.0;
649
650 Float_t r1_left = r0_left + height1_left;
651
652 partubs[0] = r0_left;
653 partubs[1] = r1_left;
654
655 TTUBS *V0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2],
656 partubs[3], partubs[4]);
657
658 V0L1->SetNumberOfDivisions(ndiv);
659
660 Float_t r2_left = r1_left + height2_left;
661
662 partubs[0] = r1_left;
663 partubs[1] = r2_left;
664
665 TTUBS *V0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2],
666 partubs[3], partubs[4]);
667
668 V0L2->SetNumberOfDivisions(ndiv);
669
670 Float_t r3_left = r2_left + height3_left;
671
672 partubs[0] = r2_left;
673 partubs[1] = r3_left;
674
675 TTUBS *V0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2],
676 partubs[3], partubs[4]);
677 V0L3->SetNumberOfDivisions(ndiv);
678
679 Float_t r4_left = r3_left + height4_left;
680
681 partubs[0] = r3_left;
682 partubs[1] = r4_left;
683
684 TTUBS *V0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2],
685 partubs[3], partubs[4]);
686
687 V0L4->SetNumberOfDivisions(ndiv);
688
689 partubs[0] = r4_left;
690 partubs[1] = r5_left;
691 partubs[3] = 90.0-15.0;
692 partubs[4] = 120.0-30.0;
693
694 TTUBS *V0L5 = new TTUBS("V0L5", "V0L5", "void", partubs[0], partubs[1], partubs[2],
695 partubs[3], partubs[4]);
696
697
698 V0L5->SetNumberOfDivisions(ndiv);
699
700 partubs[3] = 120.0-30.0;
701 partubs[4] = 120.0-15.0;
702
703 TTUBS *V0L6 = new TTUBS("V0L6", "V0L6", "void", partubs[0], partubs[1], partubs[2],
704 partubs[3], partubs[4]);
705
47d9b1cb 706 V0L6->SetNumberOfDivisions(ndiv);
707
708 Int_t n_detec_L = 1;
47d9b1cb 709
710 for (phi = 15.0; phi < 360.0; phi = phi + phi_deg)
711
712 {
713
714 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
715
716
717 sprintf(NameNode,"SUBDEL%d",n_detec_L);
718
719 V0Lnode->cd();
720 V0Lnode0 = new TNode(NameNode,NameNode,V0L0,0.0,0.0, offset_left + half_thick_qua,mat920);
721 V0Lnode0->SetLineColor(kColorVZERO);
722 fNodes->Add(V0Lnode0);
723 n_detec_L++;
724
725 sprintf(NameNode,"SUBDEL%d",n_detec_L);
726 V0Lnode0->cd();
727 V0Lnode1 = new TNode(NameNode,NameNode,V0L1,0.0,0.0, 0.0,0);
728 V0Lnode1->SetLineColor(kColorVZERO);
729 fNodes->Add(V0Lnode1);
730 n_detec_L++;
731
732 sprintf(NameNode,"SUBDEL%d",n_detec_L);
733 V0Lnode0->cd();
734 V0Lnode2 = new TNode(NameNode,NameNode,V0L2,0.0,0.0, 0.0,0);
735 V0Lnode2->SetLineColor(kColorVZERO);
736 fNodes->Add(V0Lnode2);
737 n_detec_L++;
738
739
740 sprintf(NameNode,"SUBDEL%d",n_detec_L);
741 V0Lnode0->cd();
742 V0Lnode3 = new TNode(NameNode,NameNode,V0L3,0.0,0.0, 0.0,0);
743 V0Lnode3->SetLineColor(kColorVZERO);
744 fNodes->Add(V0Lnode3);
745 n_detec_L++;
746
747 sprintf(NameNode,"SUBDEL%d",n_detec_L);
748 V0Lnode0->cd();
749 V0Lnode4 = new TNode(NameNode,NameNode,V0L4,0.0,0.0, 0.0,0);
750 V0Lnode4->SetLineColor(kColorVZERO);
751 fNodes->Add(V0Lnode4);
752 n_detec_L++;
753
754 sprintf(NameNode,"SUBDEL%d",n_detec_L);
755 V0Lnode0->cd();
756 V0Lnode5 = new TNode(NameNode,NameNode,V0L5,0.0,0.0, 0.0,0);
757 V0Lnode5->SetLineColor(kColorVZERO);
758 fNodes->Add(V0Lnode5);
759 n_detec_L++;
760
761 sprintf(NameNode,"SUBDEL%d",n_detec_L);
762 V0Lnode0->cd();
763 V0Lnode6 = new TNode(NameNode,NameNode,V0L6,0.0,0.0, 0.0,0);
764 V0Lnode6->SetLineColor(kColorVZERO);
765 fNodes->Add(V0Lnode6);
766 n_detec_L++;
767
768 V0Lnode0->SetVisibility(2);
769
770 }
47d9b1cb 771
772}
773
47d9b1cb 774//------------------------------------------------------------------------
775void AliVZEROv2::CreateMaterials()
776{
777 Int_t i;
778
779 printf("\n");
c288a388 780 for(i=0;i<25;i++) printf("*");
47d9b1cb 781 printf(" VZERO create materials ");
c288a388 782 for(i=0;i<26;i++) printf("*");
47d9b1cb 783 printf("\n");
784
785/*
786 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,
787 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
788
789
790 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,
791 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
792
793 Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
794 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
795 1.662295, 1.68337 };
796
797 Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
798 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
799
800 Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
801
802
803 Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
804
805
806 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,
807 1e-4,1e-4,1e-4,1e-4 };
808 Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
809
810*/
811
812 Int_t *idtmed = fIdtmed->GetArray()-2999;
813
814// TGeant3 *geant3 = (TGeant3*) gMC;
815
816// Parameters related to Quarz (SiO2) :
817
818 Float_t aqua[2], zqua[2], densqua, wmatqua[2];
819 Int_t nlmatqua;
820
821 aqua[0] = 28.09;
822 aqua[1] = 16.;
823 zqua[0] = 14.;
824 zqua[1] = 8.;
825 densqua = 2.64;
826 nlmatqua = -2;
827 wmatqua[0] = 1.;
828 wmatqua[1] = 2.;
829
830// Parameters related to aluminum sheets :
831
832 Float_t aal = 26.98;
833 Float_t zal = 13.00;
834 Float_t densal= 2.7;
835 Float_t radlal= 8.9;
836
837// Parameters related to scintillator CH :
838
839 Float_t ascin[2] = {1.00794,12.011};
840 Float_t zscin[2] = {1.,6.};
841 Float_t wscin[2] = {1.,1.};
842 Float_t denscin = 1.032;
843
844// Definition of materials :
845
846 AliMaterial( 1, "AIR A$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
847 AliMaterial(11, "AIR I$", 14.61, 7.3, .001205, 30420., 67500, 0, 0);
848 AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
849 AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
850 AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
851 AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
852
853 AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
854
855
856 Int_t ISXFLD = gAlice->Field()->Integ();
857 Float_t SXMGMX = gAlice->Field()->Max();
858
859 Float_t tmaxfd, stemax, deemax, epsil, stmin;
860
861 tmaxfd = 10.;
862 stemax = 0.1;
863 deemax = 0.1;
864 epsil = 0.001;
865 stmin = 0.001;
866
867// Active Air :
868 AliMedium(1, "ACTIVE AIR$", 1, 1, ISXFLD, SXMGMX,
869 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
870
871// Inactive air :
872
873 AliMedium(11, "INACTIVE AIR$", 11, 0, ISXFLD, SXMGMX,
874 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
875
876 AliMedium(2, "CARBON$ ", 2, 1, ISXFLD, SXMGMX,
877 tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
878
879 AliMedium(3, "QUARZ$", 3, 1, ISXFLD, SXMGMX,
880 tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
881
882 AliMedium(4,"ALUMINUM1$",4, 1, ISXFLD, SXMGMX,
883 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
884
885
886 AliMedium(5,"ALUMINUM2$",5, 1, ISXFLD, SXMGMX,
887 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
888
889 AliMedium(6,"SCINTILLATOR$",6, 1, ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0);
890
891 gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
892 gMC->Gstpar(idtmed[3000], "HADR", 1.);
893 gMC->Gstpar(idtmed[3000], "DCAY", 1.);
894 gMC->Gstpar(idtmed[3000], "DRAY", 1.);
895
896 gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon
897 gMC->Gstpar(idtmed[3001], "HADR", 1.);
898 gMC->Gstpar(idtmed[3001], "DCAY", 1.);
899 gMC->Gstpar(idtmed[3001], "DRAY", 1.);
900
901 gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
902 gMC->Gstpar(idtmed[3002], "HADR", 1.);
903 gMC->Gstpar(idtmed[3002], "DCAY", 1.);
904 gMC->Gstpar(idtmed[3002], "DRAY", 1.);
905 gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
906 gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
907
908 gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
909 gMC->Gstpar(idtmed[3003], "HADR", 1.);
910 gMC->Gstpar(idtmed[3003], "DCAY", 1.);
911 gMC->Gstpar(idtmed[3003], "DRAY", 1.);
912
913 gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum
914 gMC->Gstpar(idtmed[3004], "HADR", 1.);
915 gMC->Gstpar(idtmed[3004], "DCAY", 1.);
916 gMC->Gstpar(idtmed[3004], "DRAY", 1.);
917 gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
918 gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
919
920 gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
921 gMC->Gstpar(idtmed[3005], "HADR", 1.);
922 gMC->Gstpar(idtmed[3005], "DCAY", 1.);
923 gMC->Gstpar(idtmed[3005], "DRAY", 1.);
924 gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ;
925 gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ;
926
927
928// geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
929// geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
930
931// gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
932// gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
933
934
935}
936//---------------------------------------------------------------------
937void AliVZEROv2::DrawModule()
938{
939
940// Drawing is done in DrawVZERO.C
941
942 Int_t i;
943
944 printf("\n");
945 for(i=0;i<30;i++) printf("*");
946 printf(" VZERO DrawModule ");
947 for(i=0;i<30;i++) printf("*");
948 printf("\n");
949
950
951}
952
953//-------------------------------------------------------------------
954void AliVZEROv2::Init()
955{
956// Initialises version 1 of the VZERO Detector
957// Just prints an information message
958
959 printf(" VZERO version %d initialized \n",IsVersion());
960
961// gMC->SetMaxStep(fMaxStepAlu);
962// gMC->SetMaxStep(fMaxStepQua);
963
964 AliVZERO::Init();
965
966}
967
968//-------------------------------------------------------------------
969
970void AliVZEROv2::StepManager()
971{
972
973 Int_t copy;
974 static Int_t vol[4];
c288a388 975 static Float_t hits[19];
47d9b1cb 976 static Float_t eloss, tlength;
977
978 TLorentzVector pos;
979 TLorentzVector mom;
980
981 Float_t theta;
982 Float_t phi;
983 Float_t kRaddeg = 180/TMath::Pi();
984 Float_t RingNumber;
985
986 Int_t ipart;
987 Float_t destep, step;
988
989
990// We keep only charged tracks :
991
992 if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
993
994
995 vol[0] = gMC->CurrentVolOffID(1, vol[1]);
996 vol[2] = gMC->CurrentVolID(copy);
997 vol[3] = copy;
998
999
1000 if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R1") ||
1001 gMC->CurrentVolID(copy) == gMC->VolId("V0L1") )
1002 RingNumber = 1.0;
1003 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R2") ||
1004 gMC->CurrentVolID(copy) == gMC->VolId("V0L2") )
1005 RingNumber = 2.0;
1006 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R3") ||
1007 gMC->CurrentVolID(copy) == gMC->VolId("V0L3") )
1008 RingNumber = 3.0;
1009 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R4") ||
1010 gMC->CurrentVolID(copy) == gMC->VolId("V0L4") )
1011 RingNumber = 4.0;
1012 else if ( gMC->CurrentVolID(copy) == gMC->VolId("V0R5") ||
1013 gMC->CurrentVolID(copy) == gMC->VolId("V0L5") ||
1014 gMC->CurrentVolID(copy) == gMC->VolId("V0L6") ||
1015 gMC->CurrentVolID(copy) == gMC->VolId("V0R6") )
1016 RingNumber = 5.0;
1017 else
1018 RingNumber = 0.0;
1019
1020 if ( RingNumber > 0.5 ) {
1021
1022 destep = gMC->Edep();
1023 step = gMC->TrackStep();
1024 eloss += destep;
1025 tlength += step;
1026
1027
1028 if ( gMC->IsTrackEntering() ) {
1029
1030 gMC->TrackPosition(pos);
1031
1032 gMC->TrackMomentum(mom);
1033 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1034 Double_t Pt = TMath::Sqrt(tc);
1035 Double_t Pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
1036 theta = Float_t(TMath::ATan2(Pt,Double_t(mom[2])))*kRaddeg;
1037 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1038
1039 ipart = gMC->TrackPid();
1040
1041 hits[0] = pos[0];
1042 hits[1] = pos[1];
1043 hits[2] = pos[2];
c288a388 1044 hits[3] = Float_t (ipart);
47d9b1cb 1045
1046 hits[4] = gMC->TrackTime();
1047 hits[5] = gMC->TrackCharge();
1048 hits[6] = theta;
1049 hits[7] = phi;
1050 hits[8] = RingNumber;
1051
1052 hits[9] = Pt;
1053 hits[10] = Pmom;
1054 hits[11] = mom[0];
1055 hits[12] = mom[1];
1056 hits[13] = mom[2];
c288a388 1057
1058 TParticle *par = gAlice->Particle(gAlice->CurrentTrack());
1059 hits[14] = par->Vx();
1060 hits[15] = par->Vy();
1061 hits[16] = par->Vz();
1062
47d9b1cb 1063 tlength = 0.0;
1064 eloss = 0.0;
1065
1066 }
1067
1068 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
1069
c288a388 1070 hits[17] = eloss;
1071 hits[18] = tlength;
47d9b1cb 1072
1073 AddHit(gAlice->CurrentTrack(), vol, hits);
c288a388 1074
47d9b1cb 1075 tlength = 0.0;
1076 eloss = 0.0;
1077
1078
1079 }
1080 }
1081
1082}
1083
1084//_____________________________________________________________________________
1085void AliVZEROv2::AddHit(Int_t track, Int_t *vol, Float_t *hits)
1086{
1087
1088 // Add a VZERO hit
1089
1090
1091 TClonesArray &lhits = *fHits;
1092 new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
1093}
1094
1095//---------------------------------------------------------------------
1096void AliVZEROv2::AddDigits(Int_t *tracks, Int_t* digits)
1097{
1098
1099 TClonesArray &ldigits = *fDigits;
1100 new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
1101}
1102
1103//---------------------------------------------------------------------
1104void AliVZEROv2::MakeBranch(Option_t *option)
1105{
1106
1107 // Creates new branches in the current Root Tree
1108
1109
1110 char branchname[10];
1111 sprintf(branchname,"%s",GetName());
1112 printf(" fBufferSize = %d \n",fBufferSize);
1113
660318ca 1114 const char *H = strstr(option,"H");
47d9b1cb 1115
1116 if (fHits && gAlice->TreeH() && H) {
1117 gAlice->TreeH()->Branch(branchname,&fHits, fBufferSize);
1118 printf("* AliDetector::MakeBranch * Making Branch %s for hits\n",branchname);
1119 }
1120
660318ca 1121 const char *D = strstr(option,"D");
47d9b1cb 1122 //
1123 if (fDigits && gAlice->TreeD() && D) {
1124 gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
1125 printf("* AliDetector::MakeBranch * Making Branch %s for digits\n",branchname);
1126 }
1127
1128}