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bugfix: external interface was calling AliHLTComponent::Init twice since r27483
[u/mrichter/AliRoot.git] / VZERO / AliVZEROv4.cxx
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79b41939 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/* $Id$ */
17
18//////////////////////////////////////////////////////////////////////
19// //
20// (V-zero) detector version 4 as designed by the Lyon group //
21// All comments should be sent to Brigitte CHEYNIS : //
22// b.cheynis@ipnl.in2p3.fr //
23// Geometry of the 24th of february 2004 //
24// (now 4 rings instead of 3 rings as in previous version) //
25// V0R (now V0C) sits between Z values -89.4 and -84.9 cm //
26// V0L (now V0A) sits between Z values +350.0 and +352.0 cm //
27// New coordinate system has been implemented in october 2003 //
28// //
29//////////////////////////////////////////////////////////////////////
30
31// --- Standard libraries ---
32#include <Riostream.h>
33#include <stdlib.h>
34#include <string.h>
35
36// --- ROOT libraries ---
37#include <TClonesArray.h>
79b41939 38#include <TGeometry.h>
39#include <TLorentzVector.h>
40#include <TMath.h>
41#include <TNode.h>
42#include <TObjectTable.h>
43#include <TTUBE.h>
44#include <TTUBS.h>
45#include <TVirtualMC.h>
46#include <TParticle.h>
47
48// --- AliRoot header files ---
49#include "AliRun.h"
50#include "AliMC.h"
51#include "AliConst.h"
254ef8f1 52#include "AliLog.h"
79b41939 53#include "AliMagF.h"
54#include "AliVZEROLoader.h"
55#include "AliVZEROdigit.h"
56#include "AliVZEROhit.h"
57#include "AliVZEROv4.h"
58
59ClassImp(AliVZEROv4)
60
61//_____________________________________________________________________________
0b2bea8b 62AliVZEROv4:: AliVZEROv4():AliVZERO(),
63 fCellId(0),
64 fTrackPosition(),
65 fTrackMomentum(),
66 fLightYield(93.75),
67 fLightAttenuation(0.05),
68 fnMeters(15.0),
69 fFibToPhot(0.3)
70
79b41939 71{
72// Standard default constructor
73}
74
75//_____________________________________________________________________________
76AliVZEROv4::AliVZEROv4(const char *name, const char *title):
0b2bea8b 77 AliVZERO(name,title),
78 fCellId(0),
79 fTrackPosition(),
80 fTrackMomentum(),
81 fLightYield(93.75),
82 fLightAttenuation(0.05),
83 fnMeters(15.0),
84 fFibToPhot(0.3)
85
79b41939 86{
87
88// Standard constructor for V-zero Detector version 2
89
254ef8f1 90 AliDebug(2,"Create VZERO object");
0b2bea8b 91//
92// fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon)
93// fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter)
94// fnMeters = 15.0; // Number of meters of clear fibers to PM
95// fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface
79b41939 96}
97
98//_____________________________________________________________________________
99void AliVZEROv4::CreateGeometry()
100{
101
102// Creates the GEANT geometry of the V-zero Detector version 3
103
254ef8f1 104 AliDebug(2,"Create VZERO Geometry ");
79b41939 105
106 Int_t *idtmed = fIdtmed->GetArray()-2999;
107
108 Int_t ndetR = 1;
109 Int_t ndetL = 1;
110
111 Int_t ncellsR = 1;
112 Int_t ncellsL = 1;
113
114 Int_t idrotm[999];
115
116 Float_t height1Right, height2Right, height3Right, height4Right;
117 Float_t heightRight;
118 Float_t theta;
119
120 Float_t halfThickQua;
121
122 Float_t zdet;
123 Float_t r0Right, r4Right;
124 Float_t pi = TMath::Pi();
125
126 height1Right = 3.42; // height of cell 1, in cm
127 height2Right = 6.78; // height of cell 2, in cm
128 height3Right = 7.11; // height of cell 3, in cm
129 height4Right = 10.91; // height of cell 4, in cm
130
131 theta = pi/6.0/2.0; // half angular opening = 15 degrees
132
133 halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring)
134
135// distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from
136// absorber nose sitting at 90 cm. Will use -zdet later...
137// size of V0R box (fThickness) is increased by 1 mm as compared to version v2
138
139 fThickness = fThickness + 0.1;
140 zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis)
141 r0Right = 4.05; // closest distance to center of the beam pipe
142 heightRight = height1Right + height2Right + height3Right + height4Right;
143 r4Right = r0Right + heightRight;
144
145// Creation of mother volume v0LE - left part - :
146// Entrance face at +350.0 cm (new coordinate system) ...
147
148 Float_t partube[3];
149
150 partube[0] = 4.3;
151 partube[1] = 45.0;
152 partube[2] = fThickness1/2.0;
153
154 gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
155
156// Creation of five rings - left part - :
157// Entrance face at +350.0 cm (new coordinate system) ...
158
159// Mother volume v0L0 in which will be set 5 scintillator cells
160
161 Float_t partubs[5];
162
163 Float_t r0Left = 4.3;
164 Float_t height1Left = 3.6;
165 Float_t height2Left = 6.4;
166 Float_t height3Left = 14.9;
167 Float_t height4Left = 14.4;
168 Float_t heightLeft = height1Left + height2Left + height3Left + height4Left;
169
170 Float_t r4Left = r0Left + heightLeft;
171
172 partubs[0] = r0Left;
173 partubs[1] = r4Left;
174 partubs[2] = fThickness1/2.0;
175 partubs[3] = 90.0-15.0;
176 partubs[4] = 120.0-15.0;
177
178 gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume
179
180 Float_t r1Left = r0Left + height1Left;
181
182 partubs[0] = r0Left;
183 partubs[1] = r1Left;
184
185 gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume
186 gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
187
188 Float_t r2Left = r1Left + height2Left;
189
190 partubs[0] = r1Left;
191 partubs[1] = r2Left;
192
193 gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume
194 gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
195
196 Float_t r3Left = r2Left + height3Left;
197
198 partubs[0] = r2Left;
199 partubs[1] = r3Left;
200
201 gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume
202 gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
203
204 partubs[0] = r3Left;
205 partubs[1] = r4Left;
206
207 gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
208 gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
209
210// Creation of mother volume v0RI - right part - :
211
212 partube[0] = r0Right - 0.2;
213 partube[1] = r4Right + 1.0;
214 partube[2] = fThickness/2.0;
215
216 gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
217
218// Creation of carbon lids (3.5 mm thick) to keep v0RI box shut...
219
220 Float_t lidThickness = 0.35;
221
222 partube[0] = r0Right;
223 partube[1] = r4Right;
224 partube[2] = +lidThickness/2.0;
225
226 gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
227 gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
228 gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
229
230// Creation of aluminum rings to maintain the v0RI pieces ...
231
232 partube[0] = r0Right - 0.2;
233 partube[1] = r0Right;
234 partube[2] = +fThickness/2.0;
235
236 gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
237 gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
238
239 partube[0] = r4Right;
240 partube[1] = r4Right + 1.0;
241 partube[2] = +fThickness/2.0;
242
243 gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
244 gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
245
246// Mother volume v0R0 in which will be set 4 scintillator cells
247
248 partubs[0] = r0Right;
249 partubs[1] = r4Right;
250 partubs[2] = fThickness/2.0;
251 partubs[3] = 90.0-15.0;
252 partubs[4] = 120.0-15.0;
253
254 gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
255
256// Elementary cell of ring 1 :
257// (cells of ring 1 will be shifted by 1.7 cm towards vertex to output fibers)
258
259 Float_t offsetFibers = 1.7;
260 Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0;
261 Float_t r1Right = r0Right + height1Right;
262
263 partubs[0] = r0Right;
264 partubs[1] = r1Right;
265 partubs[2] = fThickness1/2.0;
266
267 gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
268 gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY");
269
270// Elementary cell of ring 2 :
271
272 Float_t r2Right = r1Right + height2Right;
273
274 partubs[0] = r1Right;
275 partubs[1] = r2Right;
276
277 gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
278 gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY");
279
280
281// Elementary cell of ring 3 :
282
283 Float_t r3Right = r2Right + height3Right;
284
285 partubs[0] = r2Right;
286 partubs[1] = r3Right;
287
288 gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
289 gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY");
290
291// Elementary cell of ring 4 :
292
293 partubs[0] = r3Right;
294 partubs[1] = r4Right;
295
296 gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
297 gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY");
298
299 Float_t phiDeg = 180./6.;
300
301// Right part :
302
303 for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg)
304 {
305 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
306 gMC->Gspos("V0R0",ndetR,"V0RI",0.0,
307 0.0,0.0,idrotm[902],"ONLY");
308 ndetR++;
309 }
310
311 gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY");
312
313 ncellsR = (ndetR - 1) * 4;
254ef8f1 314 AliInfo(Form("Number of cells on Right side = %d", ncellsR));
79b41939 315
316// Left part :
317
318 for(Float_t phi = 15.0 ; phi < 360.0; phi = phi + phiDeg)
319 {
320 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
321 gMC->Gspos("V0L0",ndetL,"V0LE",0.0,
322 0.0,0.0,idrotm[902],"ONLY");
323 ndetL++;
324 }
325
326 gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY");
327
328 ncellsL = (ndetL - 1) * 4;
254ef8f1 329 AliInfo(Form("Number of cells on Left side = %d", ncellsL));
79b41939 330
331}
332
333//_____________________________________________________________________________
334void AliVZEROv4::BuildGeometry()
335{
336
337// Builds simple ROOT TNode geometry for event display
338
254ef8f1 339 AliDebug(2,"VZERO BuildGeometry ");
79b41939 340
341 TNode *top;
342
343 TNode *v0Rnode, *v0Rnode0, *v0Rnode6 , *v0Rnode7, *v0Rnode8, *v0Rnode9;
344 TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4;
345 TNode *v0Lnode, *v0Lnode0;
346 TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4;
347
348 const int kColorVZERO = kGreen;
349
350 top = gAlice->GetGeometry()->GetNode("alice");
351
352 Float_t height1Right, height2Right, height3Right, height4Right;
353 Float_t heightRight;
354 Float_t theta;
355
356 Float_t halfThickQua;
357 Float_t zdet;
358 Float_t r0Right, r4Right;
359 Float_t pi = TMath::Pi();
360
361 height1Right = 3.42; // height of cell 1, in cm
362 height2Right = 6.78; // height of cell 2, in cm
363 height3Right = 7.11; // height of cell 3, in cm
364 height4Right = 10.91; // height of cell 4, in cm
365
366 theta = pi/6.0/2.0;
367
368 halfThickQua = fThickness1/2.0;
369
370 zdet = 90.0 - 0.6 - fThickness/2.0;
371 r0Right = 4.05;
372 heightRight = height1Right + height2Right + height3Right + height4Right;
373 r4Right = r0Right + heightRight;
374
375 Int_t ndiv = 1;
376
377 Float_t partube[3];
378
379 partube[0] = r0Right - 0.2;
380 partube[1] = r4Right + 1.0;
381 partube[2] = fThickness/2.0;
382
383 TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]);
384
385 top->cd();
386
387 v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0);
388
389 v0Rnode->SetLineColor(kYellow);
390 fNodes->Add(v0Rnode);
391 v0Rnode->SetVisibility(2);
392
393// Rondelles de carbone (epaisseur 3.5 mm) de maintien des cellules ...
394
395 Float_t lidThickness = 0.35;
396
397 partube[0] = r0Right;
398 partube[1] = r4Right;
399 partube[2] = +lidThickness/2.0;
400
401 TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]);
402
403 v0Rnode->cd();
404 v0Rnode6 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0);
405 v0Rnode6->SetLineColor(kYellow);
406 fNodes->Add(v0Rnode6);
407 v0Rnode->cd();
408 v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0);
409 v0Rnode7->SetLineColor(kYellow);
410 fNodes->Add(v0Rnode7);
411
412 partube[0] = r0Right - 0.2;
413 partube[1] = r0Right;
414 partube[2] = +fThickness/2.0;
415
416 TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]);
417
418 v0Rnode->cd();
419 v0Rnode8 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0);
420 v0Rnode8->SetLineColor(kYellow);
421 fNodes->Add(v0Rnode8);
422
423 partube[0] = r4Right;
424 partube[1] = r4Right + 1.0;
425 partube[2] = +fThickness/2.0;
426
427 TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]);
428
429 v0Rnode->cd();
430 v0Rnode9 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0);
431 v0Rnode9->SetLineColor(kYellow);
432 fNodes->Add(v0Rnode9);
433
434 Float_t partubs[5];
435
436 partubs[0] = r0Right;
437 partubs[1] = r4Right;
438 partubs[2] = fThickness/2.0;
439 partubs[3] = 90.0-15.0;
440 partubs[4] = 120.0-15.0;
441
442 TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2],
443 partubs[3], partubs[4]);
444
445 v0R0->SetNumberOfDivisions(ndiv);
446
447 Float_t r1Right = r0Right + height1Right;
448 Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0;
449 Float_t offsetFibers = 1.7;
450
451 partubs[0] = r0Right;
452 partubs[1] = r1Right;
453 partubs[2] = fThickness1/2.0;
454
455 TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2],
456 partubs[3], partubs[4]);
457
458 v0R1->SetNumberOfDivisions(ndiv);
459
460 Float_t r2Right = r1Right + height2Right;
461
462 partubs[0] = r1Right;
463 partubs[1] = r2Right;
464
465 TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2],
466 partubs[3], partubs[4]);
467
468 v0R2->SetNumberOfDivisions(ndiv);
469
470 Float_t r3Right = r2Right + height3Right;
471
472 partubs[0] = r2Right;
473 partubs[1] = r3Right;
474
475 TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2],
476 partubs[3], partubs[4]);
477 v0R3->SetNumberOfDivisions(ndiv);
478
479 partubs[0] = r3Right;
480 partubs[1] = r4Right;
481
482 TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2],
483 partubs[3], partubs[4]);
484 v0R4->SetNumberOfDivisions(ndiv);
485
486 Float_t phi;
487 Float_t phiDeg= 180./6.;
488
489 Int_t ndetR = 1;
490
491 char nameNode[12];
492
493 for (phi = 15.0; phi < 360.0; phi = phi + phiDeg)
494
495 {
496 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
497
498 sprintf(nameNode,"SUBDER%d",ndetR);
499
500 v0Rnode->cd();
501 v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920);
502 v0Rnode0->SetLineColor(kYellow);
503 fNodes->Add(v0Rnode0);
504 ndetR++;
505
506 sprintf(nameNode,"SUBDER%d",ndetR);
507 v0Rnode0->cd();
508 v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset+ offsetFibers ,0);
509 v0Rnode1->SetLineColor(kColorVZERO);
510 fNodes->Add(v0Rnode1);
511 ndetR++;
512
513 sprintf(nameNode,"SUBDER%d",ndetR);
514 v0Rnode0->cd();
515 v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset,0);
516 v0Rnode2->SetLineColor(kColorVZERO);
517 fNodes->Add(v0Rnode2);
518 ndetR++;
519
520 sprintf(nameNode,"SUBDER%d",ndetR);
521 v0Rnode0->cd();
522 v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset,0);
523 v0Rnode3->SetLineColor(kColorVZERO);
524 fNodes->Add(v0Rnode3);
525 ndetR++;
526
527 sprintf(nameNode,"SUBDER%d",ndetR);
528 v0Rnode0->cd();
529 v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset,0);
530 v0Rnode4->SetLineColor(kColorVZERO);
531 fNodes->Add(v0Rnode4);
532 ndetR++;
533
534 v0Rnode0->SetVisibility(2);
535 }
536
537// Left side of VZERO :
538
539 Float_t r0Left = 4.3;
540 Float_t height1Left = 3.6;
541 Float_t height2Left = 6.4;
542 Float_t height3Left = 14.9;
543 Float_t height4Left = 14.4;
544 Float_t heightLeft = height1Left + height2Left + height3Left + height4Left;
545
546 Float_t r4Left = r0Left + heightLeft;
547
548 partube[0] = r0Left;
549 partube[1] = r4Left;
550 partube[2] = fThickness1/2.0;
551
552 TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]);
553
554 top->cd();
555
556 v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,350.0+fThickness1/2.0,0);
557
558 v0Lnode->SetLineColor(kBlue);
559 fNodes->Add(v0Lnode);
560
561 v0Lnode->SetVisibility(2);
562
563 partubs[0] = r0Left;
564 partubs[1] = r4Left;
565 partubs[2] = fThickness1/2.0;
566 partubs[3] = 90.0-15.0;
567 partubs[4] = 120.0-15.0;
568
569 TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2],
570 partubs[3], partubs[4]);
571
572 v0L0->SetNumberOfDivisions(ndiv);
573 v0L0->SetLineColor(7);
574
575 Float_t offsetLeft;
576 offsetLeft = - fThickness1/2.0;
577
578 Float_t r1Left = r0Left + height1Left;
579
580 partubs[0] = r0Left;
581 partubs[1] = r1Left;
582
583 TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2],
584 partubs[3], partubs[4]);
585 v0L1->SetNumberOfDivisions(ndiv);
586
587 Float_t r2Left = r1Left + height2Left;
588
589 partubs[0] = r1Left;
590 partubs[1] = r2Left;
591
592 TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2],
593 partubs[3], partubs[4]);
594 v0L2->SetNumberOfDivisions(ndiv);
595
596 Float_t r3Left = r2Left + height3Left;
597
598 partubs[0] = r2Left;
599 partubs[1] = r3Left;
600
601 TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2],
602 partubs[3], partubs[4]);
603 v0L3->SetNumberOfDivisions(ndiv);
604
605 partubs[0] = r3Left;
606 partubs[1] = r4Left;
607
608 TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2],
609 partubs[3], partubs[4]);
610 v0L4->SetNumberOfDivisions(ndiv);
611
612 Int_t ndetL = 1;
613
614 for (phi = 15.0; phi < 360.0; phi = phi + phiDeg)
615
616 {
617
618 TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 );
619
620 sprintf(nameNode,"SUBDEL%d",ndetL);
621
622 v0Lnode->cd();
623 v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920);
624 v0Lnode0->SetLineColor(kColorVZERO);
625 fNodes->Add(v0Lnode0);
626 ndetL++;
627
628 sprintf(nameNode,"SUBDEL%d",ndetL);
629 v0Lnode0->cd();
630 v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0);
631 v0Lnode1->SetLineColor(kColorVZERO);
632 fNodes->Add(v0Lnode1);
633 ndetL++;
634
635 sprintf(nameNode,"SUBDEL%d",ndetL);
636 v0Lnode0->cd();
637 v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0);
638 v0Lnode2->SetLineColor(kColorVZERO);
639 fNodes->Add(v0Lnode2);
640 ndetL++;
641
642 sprintf(nameNode,"SUBDEL%d",ndetL);
643 v0Lnode0->cd();
644 v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0);
645 v0Lnode3->SetLineColor(kColorVZERO);
646 fNodes->Add(v0Lnode3);
647 ndetL++;
648
649 sprintf(nameNode,"SUBDEL%d",ndetL);
650 v0Lnode0->cd();
651 v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0);
652 v0Lnode4->SetLineColor(kColorVZERO);
653 fNodes->Add(v0Lnode4);
654 ndetL++;
655
656 v0Lnode0->SetVisibility(2);
657 }
658}
659
660//_____________________________________________________________________________
661void AliVZEROv4::CreateMaterials()
662{
663
664// Creates materials used for geometry
665
254ef8f1 666 AliDebug(2,"VZERO create materials");
79b41939 667
668/*
669 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,
670 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
671
672
673 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,
674 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
675
676 Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
677 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
678 1.662295, 1.68337 };
679
680 Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
681 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
682
683 Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
684
685
686 Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
687
688
689 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,
690 1e-4,1e-4,1e-4,1e-4 };
691 Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
692
693*/
694
695 Int_t *idtmed = fIdtmed->GetArray()-2999;
696
79b41939 697
698// Parameters related to Quarz (SiO2) :
699
700 Float_t aqua[2], zqua[2], densqua, wmatqua[2];
701 Int_t nlmatqua;
702
703 aqua[0] = 28.09;
704 aqua[1] = 16.;
705 zqua[0] = 14.;
706 zqua[1] = 8.;
707 densqua = 2.64;
708 nlmatqua = -2;
709 wmatqua[0] = 1.;
710 wmatqua[1] = 2.;
711
712// Parameters related to aluminum sheets :
713
714 Float_t aal = 26.98;
715 Float_t zal = 13.00;
716 Float_t densal= 2.7;
717 Float_t radlal= 8.9;
718
719// Parameters related to scintillator CH :
720
721 Float_t ascin[2] = {1.00794,12.011};
722 Float_t zscin[2] = {1.,6.};
723 Float_t wscin[2] = {1.,1.};
724 Float_t denscin = 1.032;
725
f7b3a79e 726// AIR
727
728 Float_t aAir[4]={12.,14.,16.,36.};
729 Float_t zAir[4]={6.,7.,8.,18.};
730 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
731 Float_t dAir = 1.20479E-3;
732
79b41939 733// Definition of materials :
f7b3a79e 734
735// AIR
736
737 AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir);
738 AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir);
79b41939 739 AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
740 AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
741 AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
742 AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
743
744 AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
745
746
747 Int_t iSXFLD = gAlice->Field()->Integ();
748 Float_t sXMGMX = gAlice->Field()->Max();
749
750 Float_t tmaxfd, stemax, deemax, epsil, stmin;
751
752 tmaxfd = 10.;
753 stemax = 0.1;
754 deemax = 0.1;
755 epsil = 0.001;
756 stmin = 0.001;
757
758// Active Air :
759 AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX,
760 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
761
762// Inactive air :
763
764 AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX,
765 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
766
767 AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX,
768 tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
769
770 AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX,
771 tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
772
773 AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX,
774 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
775
776
777 AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX,
778 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
779
780 AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0);
781
782 gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
783 gMC->Gstpar(idtmed[3000], "HADR", 1.);
784 gMC->Gstpar(idtmed[3000], "DCAY", 1.);
785 gMC->Gstpar(idtmed[3000], "DRAY", 1.);
786
787 gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon
788 gMC->Gstpar(idtmed[3001], "HADR", 1.);
789 gMC->Gstpar(idtmed[3001], "DCAY", 1.);
790 gMC->Gstpar(idtmed[3001], "DRAY", 1.);
791
792 gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
793 gMC->Gstpar(idtmed[3002], "HADR", 1.);
794 gMC->Gstpar(idtmed[3002], "DCAY", 1.);
795 gMC->Gstpar(idtmed[3002], "DRAY", 1.);
796 gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
797 gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
798
799 gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
800 gMC->Gstpar(idtmed[3003], "HADR", 1.);
801 gMC->Gstpar(idtmed[3003], "DCAY", 1.);
802 gMC->Gstpar(idtmed[3003], "DRAY", 1.);
803
804 gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum
805 gMC->Gstpar(idtmed[3004], "HADR", 1.);
806 gMC->Gstpar(idtmed[3004], "DCAY", 1.);
807 gMC->Gstpar(idtmed[3004], "DRAY", 1.);
808 gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
809 gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
810
811 gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
812 gMC->Gstpar(idtmed[3005], "HADR", 1.);
813 gMC->Gstpar(idtmed[3005], "DCAY", 1.);
814 gMC->Gstpar(idtmed[3005], "DRAY", 1.);
815 gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ;
816 gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ;
817
818
819// geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
820// geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
821
822// gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
823// gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
824
825}
826
827//_____________________________________________________________________________
ba380e33 828void AliVZEROv4::DrawModule() const
79b41939 829{
830
831// Drawing is done in DrawVZERO.C
832
254ef8f1 833 AliDebug(2,"VZERO DrawModule");
79b41939 834}
835
836//_____________________________________________________________________________
837void AliVZEROv4::Init()
838{
839// Initialises version 2 of the VZERO Detector
840// Just prints an information message
841
254ef8f1 842 AliDebug(2,Form("VZERO version %d initialized",IsVersion()));
79b41939 843
844// gMC->SetMaxStep(fMaxStepAlu);
845// gMC->SetMaxStep(fMaxStepQua);
846
847 AliVZERO::Init();
848}
849
850//_____________________________________________________________________________
851void AliVZEROv4::StepManager()
852{
853
854// Step Manager, called at each step
855
856 Int_t copy;
857 static Int_t vol[4];
858 static Float_t hits[21];
859 static Float_t eloss, tlength;
860 static Int_t nPhotonsInStep;
861 static Int_t nPhotons;
862 static Int_t numStep;
863 Float_t ringNumber;
864 Float_t destep, step;
865
866 numStep += 1;
867
868// We keep only charged tracks :
869
870 if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
871
872 vol[0] = gMC->CurrentVolOffID(1, vol[1]);
873 vol[2] = gMC->CurrentVolID(copy);
874 vol[3] = copy;
875
d6fb41ac 876 static Int_t idV0R1 = gMC->VolId("V0R1");
877 static Int_t idV0L1 = gMC->VolId("V0L1");
878 static Int_t idV0R2 = gMC->VolId("V0R2");
879 static Int_t idV0L2 = gMC->VolId("V0L2");
880 static Int_t idV0R3 = gMC->VolId("V0R3");
881 static Int_t idV0L3 = gMC->VolId("V0L3");
882 static Int_t idV0R4 = gMC->VolId("V0R4");
883 static Int_t idV0L4 = gMC->VolId("V0L4");
884
885 if ( gMC->CurrentVolID(copy) == idV0R1 ||
886 gMC->CurrentVolID(copy) == idV0L1 )
79b41939 887 ringNumber = 1.0;
d6fb41ac 888 else if ( gMC->CurrentVolID(copy) == idV0R2 ||
889 gMC->CurrentVolID(copy) == idV0L2 )
79b41939 890 ringNumber = 2.0;
d6fb41ac 891 else if ( gMC->CurrentVolID(copy) == idV0R3 ||
892 gMC->CurrentVolID(copy) == idV0L3 )
79b41939 893 ringNumber = 3.0;
d6fb41ac 894 else if ( gMC->CurrentVolID(copy) == idV0R4 ||
895 gMC->CurrentVolID(copy) == idV0L4 )
79b41939 896 ringNumber = 4.0;
897 else
898 ringNumber = 0.0;
899
900 if ( ringNumber > 0.5 ) {
901
902 destep = gMC->Edep();
903 step = gMC->TrackStep();
904
905 nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) );
906 nPhotonsInStep = gRandom->Poisson(nPhotonsInStep);
907
908 eloss += destep;
909 tlength += step;
910
911 if ( gMC->IsTrackEntering() ) {
912
913 nPhotons = nPhotonsInStep;
914 gMC->TrackPosition(fTrackPosition);
915 gMC->TrackMomentum(fTrackMomentum);
916
917 Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() +
918 fTrackMomentum.Py() * fTrackMomentum.Py() );
919
920 hits[0] = fTrackPosition.X();
921 hits[1] = fTrackPosition.Y();
922 hits[2] = fTrackPosition.Z();
923 hits[3] = Float_t (gMC->TrackPid());
924
925 hits[4] = gMC->TrackTime();
926 hits[5] = gMC->TrackCharge();
927 hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg();
928 hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg();
929 hits[8] = ringNumber;
930
931 hits[9] = pt;
932 hits[10] = fTrackMomentum.P();
933 hits[11] = fTrackMomentum.Px();
934 hits[12] = fTrackMomentum.Py();
935 hits[13] = fTrackMomentum.Pz();
936
937 TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber());
938 hits[14] = par->Vx();
939 hits[15] = par->Vy();
940 hits[16] = par->Vz();
941
942 tlength = 0.0;
943 eloss = 0.0;
944 }
945
946 nPhotons = nPhotons + nPhotonsInStep;
947
948 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
949
950 nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters));
951 nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot);
952
953 hits[17] = eloss;
954 hits[18] = tlength;
955 hits[19] = nPhotons;
956 hits[20] = GetCellId (vol, hits);
957
958 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
959
960 tlength = 0.0;
961 eloss = 0.0;
962 nPhotons = 0;
963 nPhotonsInStep = 0;
964
965 numStep = 0;
966 }
967 }
968
969}
970
971//_____________________________________________________________________________
972void AliVZEROv4::AddHit(Int_t track, Int_t *vol, Float_t *hits)
973{
974
975// Adds a VZERO hit
976
977 TClonesArray &lhits = *fHits;
978 new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
979}
980
981//_____________________________________________________________________________
982void AliVZEROv4::AddDigits(Int_t *tracks, Int_t* digits)
983{
984
985// Adds a VZERO digit
986
987 TClonesArray &ldigits = *fDigits;
988 new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
989}
990
991//_____________________________________________________________________________
992void AliVZEROv4::MakeBranch(Option_t *option)
993{
994
995// Creates new branches in the current Root Tree
996
997 char branchname[10];
998 sprintf(branchname,"%s",GetName());
254ef8f1 999 AliDebug(2,Form("fBufferSize = %d",fBufferSize));
79b41939 1000
1001 const char *cH = strstr(option,"H");
1002
1003 if (fHits && TreeH() && cH) {
1004 TreeH()->Branch(branchname,&fHits, fBufferSize);
254ef8f1 1005 AliDebug(2,Form("Making Branch %s for hits",branchname));
79b41939 1006 }
1007
1008 const char *cD = strstr(option,"D");
1009
1010 if (fDigits && fLoader->TreeD() && cD) {
1011 fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize);
254ef8f1 1012 AliDebug(2,Form("Making Branch %s for digits",branchname));
79b41939 1013 }
1014
1015}
1016
1017//_____________________________________________________________________________
1018Int_t AliVZEROv4::GetCellId(Int_t *vol, Float_t *hits)
1019{
1020
1021 // Returns Id of scintillator cell
1022 // Right side from 0 to 47
1023 // Left side from 48 to 95
1024
1025 Int_t index = vol[1];
1026 fCellId = 0;
1027
1028 if (index < 10) index = index + 12;
1029
1030 if (hits[2] < 0.0) {
1031 index = (index - 10) + ( ( Int_t(hits[8]) - 1 ) * 12);
1032 fCellId = index;
1033 }
1034 else if (hits[2] > 0.0)
1035 {
1036 index = (index + 38) + ( ( Int_t(hits[8]) - 1 ) * 12);
1037 fCellId = index;}
1038
1039 return fCellId;
1040}