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expanding compnent statistic structure to store cycle time
[u/mrichter/AliRoot.git] / VZERO / AliVZEROv5.cxx
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f4f76f65 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 5 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 16 th of june 2004 //
24// (now 8 sectors instead of 12 sectors as in previous version) //
25// V0R (now V0C) sits between Z values -89.6 and -84.9 cm //
26// V0L (now V0A) sits between Z values +339.0 and +341.0 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>
f4f76f65 38#include <TLorentzVector.h>
39#include <TMath.h>
f4f76f65 40#include <TObjectTable.h>
f4f76f65 41#include <TVirtualMC.h>
42#include <TParticle.h>
43
44// --- AliRoot header files ---
45#include "AliRun.h"
46#include "AliMC.h"
47#include "AliConst.h"
48#include "AliMagF.h"
49#include "AliVZEROLoader.h"
50#include "AliVZEROdigit.h"
51#include "AliVZEROhit.h"
52#include "AliVZEROv5.h"
254ef8f1 53#include "AliLog.h"
f4f76f65 54
55ClassImp(AliVZEROv5)
56
57//_____________________________________________________________________________
0b2bea8b 58AliVZEROv5:: AliVZEROv5():AliVZERO(),
59 fCellId(0),
60 fTrackPosition(),
61 fTrackMomentum(),
62 fLightYield(93.75),
63 fLightAttenuation(0.05),
64 fnMeters(15.0),
65 fFibToPhot(0.3)
f4f76f65 66{
67// Standard default constructor
68}
69
70//_____________________________________________________________________________
71AliVZEROv5::AliVZEROv5(const char *name, const char *title):
0b2bea8b 72 AliVZERO(name,title),
73 fCellId(0),
74 fTrackPosition(),
75 fTrackMomentum(),
76 fLightYield(93.75),
77 fLightAttenuation(0.05),
78 fnMeters(15.0),
79 fFibToPhot(0.3)
f4f76f65 80{
81
82// Standard constructor for V-zero Detector version 5
83
254ef8f1 84 AliDebug(2,"Create VZERO object ");
0b2bea8b 85//
86// fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon)
87// fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter)
88// fnMeters = 15.0; // Number of meters of clear fibers to PM
89// fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface
f4f76f65 90}
91
92//_____________________________________________________________________________
93void AliVZEROv5::CreateGeometry()
94{
95
96// Creates the GEANT geometry of the V-zero Detector version 5
97
254ef8f1 98 AliDebug(2,"Create Geometry ");
f4f76f65 99
100 Int_t *idtmed = fIdtmed->GetArray()-2999;
101
102 Int_t ndetR = 1;
103 Int_t ndetL = 1;
104
105 Int_t ncellsR = 1;
106 Int_t ncellsL = 1;
107
108 Int_t idrotm[999];
109
110 Float_t height1Right, height2Right, height3Right, height4Right;
111 Float_t heightRight;
112 Float_t theta;
113
114 Float_t halfThickQua;
115
116 Float_t zdet;
117 Float_t r0Right, r4Right, rBoxRight;
118 Float_t pi = TMath::Pi();
119
120 height1Right = 2.6; // height of cell 1, in cm
121 height2Right = 4.6; // height of cell 2, in cm
122 height3Right = 7.6; // height of cell 3, in cm
123 height4Right = 12.7; // height of cell 4, in cm
124
125 theta = pi/4.0/2.0; // half angular opening = 22.5 degrees
126
127 halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring)
128
129// distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from
130// absorber nose sitting at 90 cm. Will use -zdet later...
131// size of V0R box (fThickness) is increased by 3 mm as compared to basic version
132
133 fThickness = fThickness + 0.3; // now 4.7 cm instead of 4.4 cm
134 zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis)
135 r0Right = 4.20; // closest distance to center of the beam pipe
136 heightRight = height1Right + height2Right + height3Right + height4Right;
137 r4Right = r0Right + heightRight + 0.3;
138 rBoxRight = 38.0; // external radius of right box
139
140// Creation of mother volume v0LE - left part - :
141// Entrance face at +339.0 cm (new coordinate system) ...
142
143 Float_t partube[3];
144
145 partube[0] = 4.3;
146 partube[1] = 44.0;
147 partube[2] = fThickness1/2.0;
148
149 gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3);
150
151// Creation of five rings - left part - :
152// Entrance face at +339.0 cm (new coordinate system) ...
153
154// Mother volume v0L0 in which will be set 5 scintillator cells
155
156 Float_t partubs[5];
157
158 Float_t r0Left = 4.3;
159 Float_t height1Left = 3.3;
160 Float_t height2Left = 6.2;
161 Float_t height3Left = 8.9;
162 Float_t height4Left = 20.9;
163 Float_t heightLeft = height1Left + height2Left + height3Left + height4Left;
164
165 Float_t r4Left = r0Left + heightLeft;
166
167 partubs[0] = r0Left;
168 partubs[1] = r4Left;
169 partubs[2] = fThickness1/2.0;
170 partubs[3] = 90.0-22.5;
171 partubs[4] = 135.0-22.5;
172
173 gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume
174
175 Float_t r1Left = r0Left + height1Left;
176
177 partubs[0] = r0Left;
178 partubs[1] = r1Left;
179
180 gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume
181 gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
182
183 Float_t r2Left = r1Left + height2Left;
184
185 partubs[0] = r1Left;
186 partubs[1] = r2Left;
187
188 gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume
189 gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
190
191 Float_t r3Left = r2Left + height3Left;
192
193 partubs[0] = r2Left;
194 partubs[1] = r3Left;
195
196 gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume
197 gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
198
199 partubs[0] = r3Left;
200 partubs[1] = r4Left;
201
202 gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume
203 gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY");
204
205// Creation of mother volume v0RI - right part - :
206
207 partube[0] = r0Right - 0.2;
208 partube[1] = r4Right + 1.0;
209 partube[2] = fThickness/2.0;
210
211 gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3);
212
213// Creation of carbon lids (3.0 mm thick) to keep v0RI box shut...
214
215 Float_t lidThickness = 0.30;
216
217 partube[0] = r0Right;
218 partube[1] = rBoxRight;
219 partube[2] = +lidThickness/2.0;
220
221 gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3);
222 gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY");
223 gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY");
224
225// Creation of aluminum rings 3.0 mm thick to maintain the v0RI pieces ...
226
227 partube[0] = r0Right;
228 partube[1] = r0Right + 0.3;
229 partube[2] = +fThickness/2.0;
230
231 gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3);
232 gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
233
234 partube[0] = rBoxRight - 0.3;
235 partube[1] = rBoxRight;
236 partube[2] = +fThickness/2.0;
237
238 gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3);
239 gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY");
240
241// Mother volume v0R0 in which will be set 6 scintillator cells
242
243 partubs[0] = r0Right;
244 partubs[1] = r4Right;
245 partubs[2] = fThickness/2.0;
246 partubs[3] = 90.0-22.5;
247 partubs[4] = 135.0-22.5;
248
249 gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume
250
251// Elementary cell of ring 1 :
252// (cells of ring 1 will be shifted by 2.0 cm backwards to output fibers)
253
254 Float_t offsetFibers = 1.0;
255 Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0;
256 Float_t r1Right = r0Right + 0.3 + height1Right;
257
258 partubs[0] = r0Right + 0.3;
259 partubs[1] = r1Right;
260 partubs[2] = fThickness1/2.0;
261
262 gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume
263 gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY");
264
265// Elementary cell of ring 2 :
266// (cells of ring 2 will be shifted by 1.0 cm backwards to output fibers)
267
268 Float_t r2Right = r1Right + height2Right;
269
270 partubs[0] = r1Right;
271 partubs[1] = r2Right;
272
273 gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume
274 gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY");
275
276// Elementary cell of ring 3 :
277
278 Float_t r3Right = r2Right + height3Right;
279
280 partubs[0] = r2Right;
281 partubs[1] = r3Right;
282 partubs[3] = 90.0-22.5;
283 partubs[4] = 112.5-22.5;
284
285 gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume
286 gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
287
288 partubs[3] = 112.5-22.5;
289 partubs[4] = 135.0-22.5;
290 gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume
291 gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
292
293// Elementary cell of ring 4 :
294
295 partubs[0] = r3Right;
296 partubs[1] = r4Right;
297 partubs[3] = 90.0-22.5;
298 partubs[4] = 112.5-22.5;
299
300 gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume
301 gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
302
303 partubs[3] = 112.5-22.5;
304 partubs[4] = 135.0-22.5;
305 gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume
306 gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY");
307
308 Float_t phiDeg = 180./4.;
309
310// Right part :
311
312 for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg)
313 {
314 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
315 gMC->Gspos("V0R0",ndetR,"V0RI",0.0,
316 0.0,0.0,idrotm[902],"ONLY");
317 ndetR++;
318 }
319
320 gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY");
321
322 ncellsR = (ndetR - 1) * 6;
254ef8f1 323 AliInfo(Form("Number of cells on Right side = %d\n", ncellsR));
f4f76f65 324
325// Left part :
326
327 for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg)
328 {
329 AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0);
330 gMC->Gspos("V0L0",ndetL,"V0LE",0.0,
331 0.0,0.0,idrotm[902],"ONLY");
332 ndetL++;
333 }
334
335 gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,339.0+fThickness1/2.0,0,"ONLY");
336
337 ncellsL = (ndetL - 1) * 4;
254ef8f1 338 AliInfo(Form("Number of cells on Left side = %d\n", ncellsL));
f4f76f65 339
340}
341
f4f76f65 342//_____________________________________________________________________________
343void AliVZEROv5::CreateMaterials()
344{
345
346// Creates materials used for geometry
347
254ef8f1 348 AliDebug(2,"Create materials");
f4f76f65 349
350/*
351 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,
352 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
353
354
355 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,
356 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 };
357
358 Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458,
359 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362,
360 1.662295, 1.68337 };
361
362 Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525,
363 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 };
364
365 Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
366
367
368 Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
369
370
371 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,
372 1e-4,1e-4,1e-4,1e-4 };
373 Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
374
375*/
376
377 Int_t *idtmed = fIdtmed->GetArray()-2999;
378
f4f76f65 379
380// Parameters related to Quarz (SiO2) :
381
382 Float_t aqua[2], zqua[2], densqua, wmatqua[2];
383 Int_t nlmatqua;
384
385 aqua[0] = 28.09;
386 aqua[1] = 16.;
387 zqua[0] = 14.;
388 zqua[1] = 8.;
389 densqua = 2.64;
390 nlmatqua = -2;
391 wmatqua[0] = 1.;
392 wmatqua[1] = 2.;
393
394// Parameters related to aluminum sheets :
395
396 Float_t aal = 26.98;
397 Float_t zal = 13.00;
398 Float_t densal= 2.7;
399 Float_t radlal= 8.9;
400
401// Parameters related to scintillator CH :
402
403 Float_t ascin[2] = {1.00794,12.011};
404 Float_t zscin[2] = {1.,6.};
405 Float_t wscin[2] = {1.,1.};
406 Float_t denscin = 1.032;
407
b84cd1d5 408// AIR
409
410 Float_t aAir[4]={12.,14.,16.,36.};
411 Float_t zAir[4]={6.,7.,8.,18.};
412 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
413 Float_t dAir = 1.20479E-3;
414
f4f76f65 415// Definition of materials :
416
b84cd1d5 417 AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir);
418 AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir);
f4f76f65 419 AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0);
420 AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
421 AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0);
422 AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0);
423
424 AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin);
425
426
427 Int_t iSXFLD = gAlice->Field()->Integ();
428 Float_t sXMGMX = gAlice->Field()->Max();
429
430 Float_t tmaxfd, stemax, deemax, epsil, stmin;
431
432 tmaxfd = 10.;
433 stemax = 0.1;
434 deemax = 0.1;
435 epsil = 0.001;
436 stmin = 0.001;
437
438// Active Air :
439 AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX,
440 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
441
442// Inactive air :
443
444 AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX,
445 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
446
447 AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX,
448 tmaxfd, stemax, deemax, epsil, stmin, 0, 0);
449
450 AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX,
451 tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0);
452
453 AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX,
454 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
455
456
457 AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX,
458 tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0);
459
460 AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0);
461
462 gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF
463 gMC->Gstpar(idtmed[3000], "HADR", 1.);
464 gMC->Gstpar(idtmed[3000], "DCAY", 1.);
465 gMC->Gstpar(idtmed[3000], "DRAY", 1.);
466
467 gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon
468 gMC->Gstpar(idtmed[3001], "HADR", 1.);
469 gMC->Gstpar(idtmed[3001], "DCAY", 1.);
470 gMC->Gstpar(idtmed[3001], "DRAY", 1.);
471
472 gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz
473 gMC->Gstpar(idtmed[3002], "HADR", 1.);
474 gMC->Gstpar(idtmed[3002], "DCAY", 1.);
475 gMC->Gstpar(idtmed[3002], "DRAY", 1.);
476 gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ;
477 gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ;
478
479 gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum
480 gMC->Gstpar(idtmed[3003], "HADR", 1.);
481 gMC->Gstpar(idtmed[3003], "DCAY", 1.);
482 gMC->Gstpar(idtmed[3003], "DRAY", 1.);
483
484 gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum
485 gMC->Gstpar(idtmed[3004], "HADR", 1.);
486 gMC->Gstpar(idtmed[3004], "DCAY", 1.);
487 gMC->Gstpar(idtmed[3004], "DRAY", 1.);
488 gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ;
489 gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ;
490
491 gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator
492 gMC->Gstpar(idtmed[3005], "HADR", 1.);
493 gMC->Gstpar(idtmed[3005], "DCAY", 1.);
494 gMC->Gstpar(idtmed[3005], "DRAY", 1.);
495 gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ;
496 gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ;
497
498
499// geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
500// geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
501
502// gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
503// gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu);
504
505}
506
507//_____________________________________________________________________________
ba380e33 508void AliVZEROv5::DrawModule() const
f4f76f65 509{
510
511// Drawing is done in DrawVZERO.C
512
254ef8f1 513 AliDebug(2,"DrawModule");
f4f76f65 514}
515
516//_____________________________________________________________________________
517void AliVZEROv5::Init()
518{
519// Initialises version 2 of the VZERO Detector
520// Just prints an information message
521
254ef8f1 522 AliInfo(Form("VZERO version %d initialized \n",IsVersion()));
f4f76f65 523
524// gMC->SetMaxStep(fMaxStepAlu);
525// gMC->SetMaxStep(fMaxStepQua);
526
527 AliVZERO::Init();
528}
529
530//_____________________________________________________________________________
531void AliVZEROv5::StepManager()
532{
533
534// Step Manager, called at each step
535
536 Int_t copy;
537 static Int_t vol[4];
538 static Float_t hits[21];
539 static Float_t eloss, tlength;
540 static Int_t nPhotonsInStep;
541 static Int_t nPhotons;
542 static Int_t numStep;
543 Float_t ringNumber;
544 Float_t destep, step;
545
546 numStep += 1;
547
548// We keep only charged tracks :
549
550 if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return;
551
552 vol[0] = gMC->CurrentVolOffID(1, vol[1]);
553 vol[2] = gMC->CurrentVolID(copy);
554 vol[3] = copy;
555
d6fb41ac 556 static Int_t idV0R1 = gMC->VolId("V0R1");
557 static Int_t idV0L1 = gMC->VolId("V0L1");
558 static Int_t idV0R2 = gMC->VolId("V0R2");
559 static Int_t idV0L2 = gMC->VolId("V0L2");
560 static Int_t idV0R3 = gMC->VolId("V0R3");
561 static Int_t idV0L3 = gMC->VolId("V0L3");
562 static Int_t idV0R4 = gMC->VolId("V0R4");
563 static Int_t idV0L4 = gMC->VolId("V0L4");
564 static Int_t idV0R5 = gMC->VolId("V0R5");
565 static Int_t idV0R6 = gMC->VolId("V0R6");
566
567 if ( gMC->CurrentVolID(copy) == idV0R1 ||
568 gMC->CurrentVolID(copy) == idV0L1 )
f4f76f65 569 ringNumber = 1.0;
d6fb41ac 570 else if ( gMC->CurrentVolID(copy) == idV0R2 ||
571 gMC->CurrentVolID(copy) == idV0L2 )
f4f76f65 572 ringNumber = 2.0;
d6fb41ac 573 else if ( gMC->CurrentVolID(copy) == idV0R3 ||
574 gMC->CurrentVolID(copy) == idV0R4 ||
575 gMC->CurrentVolID(copy) == idV0L3 )
f4f76f65 576 ringNumber = 3.0;
d6fb41ac 577 else if ( gMC->CurrentVolID(copy) == idV0R5 ||
578 gMC->CurrentVolID(copy) == idV0R6 ||
579 gMC->CurrentVolID(copy) == idV0L4 )
f4f76f65 580 ringNumber = 4.0;
581 else
582 ringNumber = 0.0;
583
584 if ( ringNumber > 0.5 ) {
585
586 destep = gMC->Edep();
587 step = gMC->TrackStep();
588
589 nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) );
590 nPhotonsInStep = gRandom->Poisson(nPhotonsInStep);
591
592 eloss += destep;
593 tlength += step;
594
595 if ( gMC->IsTrackEntering() ) {
596
597 nPhotons = nPhotonsInStep;
598 gMC->TrackPosition(fTrackPosition);
599 gMC->TrackMomentum(fTrackMomentum);
600
601 Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() +
602 fTrackMomentum.Py() * fTrackMomentum.Py() );
603
604 hits[0] = fTrackPosition.X();
605 hits[1] = fTrackPosition.Y();
606 hits[2] = fTrackPosition.Z();
607 hits[3] = Float_t (gMC->TrackPid());
608
609 hits[4] = gMC->TrackTime();
610 hits[5] = gMC->TrackCharge();
611 hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg();
612 hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg();
613 hits[8] = ringNumber;
614
615 hits[9] = pt;
616 hits[10] = fTrackMomentum.P();
617 hits[11] = fTrackMomentum.Px();
618 hits[12] = fTrackMomentum.Py();
619 hits[13] = fTrackMomentum.Pz();
620
621 TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber());
622 hits[14] = par->Vx();
623 hits[15] = par->Vy();
624 hits[16] = par->Vz();
625
626 tlength = 0.0;
627 eloss = 0.0;
628 }
629
630 nPhotons = nPhotons + nPhotonsInStep;
631
632 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
633
634 nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters));
635 nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot);
636
637 hits[17] = eloss;
638 hits[18] = tlength;
639 hits[19] = nPhotons;
640 hits[20] = GetCellId (vol, hits);
641
642 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits);
643
644 tlength = 0.0;
645 eloss = 0.0;
646 nPhotons = 0;
647 nPhotonsInStep = 0;
648
649 numStep = 0;
650 }
651 }
652
653}
654
655//_____________________________________________________________________________
656void AliVZEROv5::AddHit(Int_t track, Int_t *vol, Float_t *hits)
657{
658
659// Adds a VZERO hit
660
661 TClonesArray &lhits = *fHits;
662 new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits);
663}
664
665//_____________________________________________________________________________
666void AliVZEROv5::AddDigits(Int_t *tracks, Int_t* digits)
667{
668
669// Adds a VZERO digit
670
671 TClonesArray &ldigits = *fDigits;
672 new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits);
673}
674
675//_____________________________________________________________________________
676void AliVZEROv5::MakeBranch(Option_t *option)
677{
678
679// Creates new branches in the current Root Tree
680
681 char branchname[10];
682 sprintf(branchname,"%s",GetName());
254ef8f1 683 AliDebug(2,Form("fBufferSize = %d",fBufferSize));
f4f76f65 684
685 const char *cH = strstr(option,"H");
686
cb5b8b21 687 if (fHits && fLoader->TreeH() && cH) {
688 fLoader->TreeH()->Branch(branchname,&fHits, fBufferSize);
254ef8f1 689 AliDebug(2,Form("Making Branch %s for hits",branchname));
f4f76f65 690 }
691
692 const char *cD = strstr(option,"D");
693
694 if (fDigits && fLoader->TreeD() && cD) {
695 fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize);
254ef8f1 696 AliDebug(2,Form("Making Branch %s for digits",branchname));
f4f76f65 697 }
698
699}
700
701//_____________________________________________________________________________
702Int_t AliVZEROv5::GetCellId(Int_t *vol, Float_t *hits)
703{
704
705 // Returns Id of scintillator cell
706 // Right side from 0 to 47
707 // Left side from 48 to 95
708
709 // hits[8] = ring number (1 to 4)
710 // vol[1] = copy number (1 to 8)
711
712 Int_t index = vol[1];
713 Int_t RingNumber = Int_t(hits[8]);
714 fCellId = 0;
715
716// cout << "volID = " << vol[0] << " copy = " << vol[1] << endl;
717// cout << "X = " << hits[0] << " Y = " << hits[1] << endl;
718
719 Float_t phi = Float_t(TMath::ATan2(Double_t(hits[1]),Double_t(hits[0])) );
f4f76f65 720 phi = kRaddeg * phi;
721
722 if (index < 7) index = index + 8;
723
724 if (hits[2] < 0.0) {
725 if(RingNumber < 3) {
726 index = (index - 7) + ( ( RingNumber - 1 ) * 8);}
727 else if(RingNumber >= 3){
728 if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R3")||
729 gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R5") )
730 {index = (index*2 - 14) + ( ( RingNumber - 2 ) * 16); }
731 if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R4")||
732 gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R6") )
733 {index = (index*2 - 13) + ( ( RingNumber - 2 ) * 16); }
734 }
735 fCellId = index;
736 }
737
738 else if (hits[2] > 0.0){
739 index = (index - 7 + 48) + ( ( RingNumber - 1 ) * 8);
740 fCellId = index;}
741
742// cout << " ring = " << RingNumber << " phi = "<< phi << endl;
743// cout << " cellID = " << fCellId << endl;
744// cout << "**********" << endl;
745
746 return fCellId;
747
748
749}