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A different geometry for the ZDCs
[u/mrichter/AliRoot.git] / ZDC / AliZDCv2.cxx
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4663d63d 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$Log$
18
19*/
20
21///////////////////////////////////////////////////////////////////////////////
22// //
23// Zero Degree Calorimeter //
24// This class contains the basic functions for the ZDC //
25// Functions specific to one particular geometry are //
26// contained in the derived classes //
27// //
28///////////////////////////////////////////////////////////////////////////////
29
30// --- Standard libraries
31#include "stdio.h"
32
33// --- ROOT system
34#include <TBRIK.h>
35#include <TNode.h>
36#include <TMath.h>
37#include <TRandom.h>
38#include <TSystem.h>
39#include <TTree.h>
40
41
42// --- AliRoot classes
43#include "AliZDCv2.h"
44#include "AliZDCHit.h"
45#include "AliZDCDigit.h"
46#include "AliRun.h"
47#include "AliDetector.h"
48#include "AliMagF.h"
49#include "AliMC.h"
50#include "AliCallf77.h"
51#include "AliConst.h"
52#include "AliPDG.h"
53#include "TLorentzVector.h"
54
55
56ClassImp(AliZDCv2)
57
58
59///////////////////////////////////////////////////////////////////////////////
60// //
61// Zero Degree Calorimeter version 2 //
62// //
63///////////////////////////////////////////////////////////////////////////////
64
65//_____________________________________________________________________________
66AliZDCv2::AliZDCv2() : AliZDC()
67{
68 //
69 // Default constructor for Zero Degree Calorimeter
70 //
71
72 fMedSensF1 = 0;
73 fMedSensF2 = 0;
74 fMedSensZN = 0;
75 fMedSensZP = 0;
76 fMedSensZEM = 0;
77 fMedSensGR = 0;
78// fMedSensPI = 0;
79// fMedSensTDI = 0;
80}
81
82//_____________________________________________________________________________
83AliZDCv2::AliZDCv2(const char *name, const char *title)
84 : AliZDC(name,title)
85{
86 //
87 // Standard constructor for Zero Degree Calorimeter
88 //
89 //
90 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
91
92 AliModule* PIPE=gAlice->GetModule("PIPE");
93 AliModule* ABSO=gAlice->GetModule("ABSO");
94 AliModule* DIPO=gAlice->GetModule("DIPO");
95 AliModule* SHIL=gAlice->GetModule("SHIL");
96 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
97 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
98 exit(1);
99 }
100
101 fMedSensF1 = 0;
102 fMedSensF2 = 0;
103 fMedSensZN = 0;
104 fMedSensZP = 0;
105 fMedSensZEM = 0;
106 fMedSensGR = 0;
107// fMedSensPI = 0;
108// fMedSensTDI = 0;
109
110
111 // Parameters for light tables
112 fNalfan = 90; // Number of Alfa (neutrons)
113 fNalfap = 90; // Number of Alfa (protons)
114 fNben = 18; // Number of beta (neutrons)
115 fNbep = 28; // Number of beta (protons)
116 Int_t ip,jp,kp;
117 for(ip=0; ip<4; ip++){
118 for(kp=0; kp<fNalfap; kp++){
119 for(jp=0; jp<fNbep; jp++){
120 fTablep[ip][kp][jp] = 0;
121 }
122 }
123 }
124 Int_t in,jn,kn;
125 for(in=0; in<4; in++){
126 for(kn=0; kn<fNalfan; kn++){
127 for(jn=0; jn<fNben; jn++){
128 fTablen[in][kn][jn] = 0;
129 }
130 }
131 }
132
133 // Parameters for hadronic calorimeters geometry
134 fDimZP[0] = 11.2;
135 fDimZP[1] = 6.;
136 fDimZP[2] = 75.;
137 fPosZN[0] = 0.;
138 fPosZN[1] = -1.2;
139 fPosZN[2] = 11650.;
140 fPosZP[0] = -24.;
141 fPosZP[1] = 0.;
142 fPosZP[2] = 11600.;
143 fFibZN[0] = 0.;
144 fFibZN[1] = 0.01825;
145 fFibZN[2] = 50.;
146 fFibZP[0] = 0.;
147 fFibZP[1] = 0.0275;
148 fFibZP[2] = 75.;
149
150 // Parameters for EM calorimeter geometry
151 fPosZEM[0] = 8.5;
152 fPosZEM[1] = 0.;
153 fPosZEM[2] = -1000.;
154
155
156 fDigits = new TClonesArray("AliZDCDigit",1000);
157}
158
159//_____________________________________________________________________________
160void AliZDCv2::CreateGeometry()
161{
162 //
163 // Create the geometry for the Zero Degree Calorimeter version 1
164 //* Initialize COMMON block ZDC_CGEOM
165 //*
166
167 CreateBeamLine();
168 CreateZDC();
169}
170
171//_____________________________________________________________________________
172void AliZDCv2::CreateBeamLine()
173{
174
175 Float_t zq, zd1, zd2;
176 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
177 Int_t im1, im2;
178
179 Int_t *idtmed = fIdtmed->GetArray();
180
181 // -- Mother of the ZDCs (Vacuum PCON)
182
183 conpar[0] = 0.;
184 conpar[1] = 360.;
185 conpar[2] = 2.;
186 conpar[3] = -1100.;
187 conpar[4] = 0.;
188 conpar[5] = 155.;
189 conpar[6] = 13060.;
190 conpar[7] = 0.;
191 conpar[8] = 155.;
192 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
193 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
194
195 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
196 // the beginning of D1)
197
198 zd1 = 2000.;
199
200 tubpar[0] = 6.3/2.;
201 tubpar[1] = 6.7/2.;
202 tubpar[2] = 3838.3/2.;
203 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
204 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
205
206 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
207 // beginning of D2)
208
209 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
210 //-- Cylindrical pipe (r = 3.47) + conical flare
211
212 // -> Beginning of D1
213 zd1 += 2.*tubpar[2];
214
215 tubpar[0] = 3.47;
216 tubpar[1] = 3.47+0.2;
217 tubpar[2] = 958.5/2.;
218 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
219 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
220
221 zd1 += 2.*tubpar[2];
222
223 conpar[0] = 25./2.;
224 conpar[1] = 6.44/2.;
225 conpar[2] = 6.84/2.;
226 conpar[3] = 10./2.;
227 conpar[4] = 10.4/2.;
228 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
229 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
230
231 zd1 += 2.*conpar[0];
232
233 tubpar[0] = 10./2.;
234 tubpar[1] = 10.4/2.;
235 tubpar[2] = 50./2.;
236 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
237 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
238
239 zd1 += tubpar[2]*2.;
240
241 tubpar[0] = 10./2.;
242 tubpar[1] = 10.4/2.;
243 tubpar[2] = 10./2.;
244 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
245 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
246
247 zd1 += tubpar[2] * 2.;
248
249 tubpar[0] = 10./2.;
250 tubpar[1] = 10.4/2.;
251 tubpar[2] = 3.16/2.;
252 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
253 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
254
255 zd1 += tubpar[2] * 2.;
256
257 tubpar[0] = 10.0/2.;
258 tubpar[1] = 10.4/2;
259 tubpar[2] = 190./2.;
260 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
261 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
262
263 zd1 += tubpar[2] * 2.;
264
265 conpar[0] = 30./2.;
266 conpar[1] = 10./2.;
267 conpar[2] = 10.4/2.;
268 conpar[3] = 20.6/2.;
269 conpar[4] = 21./2.;
270 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
271 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
272
273 zd1 += conpar[0] * 2.;
274
275 tubpar[0] = 20.6/2.;
276 tubpar[1] = 21./2.;
277 tubpar[2] = 450./2.;
278 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
279 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
280
281 zd1 += tubpar[2] * 2.;
282
283 conpar[0] = 13.6/2.;
284 conpar[1] = 20.6/2.;
285 conpar[2] = 21./2.;
286 conpar[3] = 25.4/2.;
287 conpar[4] = 25.8/2.;
288 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
289 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
290
291 zd1 += conpar[0] * 2.;
292
293 tubpar[0] = 25.4/2.;
294 tubpar[1] = 25.8/2.;
295 tubpar[2] = 205.8/2.;
296 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
297 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
298
299 zd1 += tubpar[2] * 2.;
300
301 tubpar[0] = 50./2.;
302 tubpar[1] = 50.4/2.;
303 // QT09 is 10 cm longer to accomodate TDI
304 tubpar[2] = 515.4/2.;
305 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
306 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
307
308 // --- Insert TDI (inside ZDC volume)
309
310 boxpar[0] = 5.6;
311 boxpar[1] = 5.6;
312 boxpar[2] = 400./2.;
313 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
314 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
315 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
316
317 boxpar[0] = 0.2/2.;
318 boxpar[1] = 5.6;
319 boxpar[2] = 400./2.;
320 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
321 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
322
323 tubspar[0] = 6.2;
324 tubspar[1] = 6.4;
325 tubspar[2] = 400./2.;
326 tubspar[3] = 180.-62.5;
327 tubspar[4] = 180.+62.5;
328 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
329 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
330
331 zd1 += tubpar[2] * 2.;
332
333 tubpar[0] = 50./2.;
334 tubpar[1] = 50.4/2.;
335 // QT10 is 10 cm shorter
336 tubpar[2] = 690./2.;
337 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
338 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
339
340 zd1 += tubpar[2] * 2.;
341
342 tubpar[0] = 50./2.;
343 tubpar[1] = 50.4/2.;
344 tubpar[2] = 778.5/2.;
345 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
346 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
347
348 zd1 += tubpar[2] * 2.;
349
350 conpar[0] = 14.18/2.;
351 conpar[1] = 50./2.;
352 conpar[2] = 50.4/2.;
353 conpar[3] = 55./2.;
354 conpar[4] = 55.4/2.;
355 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
356 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
357
358 zd1 += conpar[0] * 2.;
359
360 tubpar[0] = 55./2.;
361 tubpar[1] = 55.4/2.;
362 tubpar[2] = 730./2.;
363 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
364 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
365
366 zd1 += tubpar[2] * 2.;
367
368 conpar[0] = 36.86/2.;
369 conpar[1] = 55./2.;
370 conpar[2] = 55.4/2.;
371 conpar[3] = 68./2.;
372 conpar[4] = 68.4/2.;
373 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
374 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
375
376 zd1 += conpar[0] * 2.;
377
378 tubpar[0] = 68./2.;
379 tubpar[1] = 68.4/2.;
380 tubpar[2] = 927.3/2.;
381 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
382 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
383
384 zd1 += tubpar[2] * 2.;
385
386 tubpar[0] = 0./2.;
387 tubpar[1] = 68.4/2.;
388 tubpar[2] = 0.2/2.;
389 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
390 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
391
392 zd1 += tubpar[2] * 2.;
393
394 tubpar[0] = 0./2.;
395 tubpar[1] = 6.4/2.;
396 tubpar[2] = 0.2/2.;
397 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
398
399 //-- Position QT15 inside QT14
400 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
401
402 tubpar[0] = 0./2.;
403 tubpar[1] = 6.4/2.;
404 tubpar[2] = 0.2/2.;
405 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
406
407 //-- Position QT16 inside QT14
408 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
409
410
411 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
412
413 tubpar[0] = 6.4/2.;
414 tubpar[1] = 6.8/2.;
415 tubpar[2] = 680.8/2.;
416 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
417
418 tubpar[0] = 6.4/2.;
419 tubpar[1] = 6.8/2.;
420 tubpar[2] = 680.8/2.;
421 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
422
423 // -- ROTATE PIPES
424
425 Float_t angle = 0.143*kDegrad;
426
427 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
428 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
429 0., tubpar[2] + zd1, im1, "ONLY");
430
431 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
432 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
433 0., tubpar[2] + zd1, im2, "ONLY");
434
435 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
436
437 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
438 tubpar[0] = 8.0/2.;
439 tubpar[1] = 8.2/2.;
440 tubpar[2] = (1000+zb)/2.; // From the end of QBPM to z=1000.
441 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
442 gMC->Gspos("QT19", 1, "ZDC ", 0., 0., zb - tubpar[2], 0, "ONLY");
443
444
445 // -- END OF BEAM PIPE VOLUME DEFINITION.
446 // ----------------------------------------------------------------
447
448 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
449
450 // ----------------------------------------------------------------
451 // Replaced by the muon dipole
452 // ----------------------------------------------------------------
453 // -- COMPENSATOR DIPOLE (MBXW)
454 // GAP (VACUUM WITH MAGNETIC FIELD)
455
456// tubpar[0] = 0.;
457// tubpar[1] = 4.5;
458// tubpar[2] = 340./2.;
459// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
460// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
461
462 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
463
464// tubpar[0] = 4.5;
465// tubpar[1] = 55.;
466// tubpar[2] = 340./2.;
467// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
468// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
469
470 // ----------------------------------------------------------------
471 // Replaced by the second dipole
472 // ----------------------------------------------------------------
473 // -- COMPENSATOR DIPOLE (MCBWA)
474 // GAP (VACUUM WITH MAGNETIC FIELD)
475
476// tubpar[0] = 0.;
477// tubpar[1] = 4.5;
478// tubpar[2] = 170./2.;
479// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
480// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
481
482 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
483
484// tubpar[0] = 4.5;
485// tubpar[1] = 55.;
486// tubpar[2] = 170./2.;
487// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
488// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
489
490 // -- INNER TRIPLET
491
492 zq = 2296.5;
493
494 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
495
496 // MQXL
497 // -- GAP (VACUUM WITH MAGNETIC FIELD)
498
499 tubpar[0] = 0.;
500 tubpar[1] = 3.5;
501 tubpar[2] = 637./2.;
502 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
503
504 // -- YOKE
505
506 tubpar[0] = 3.5;
507 tubpar[1] = 22.;
508 tubpar[2] = 637./2.;
509 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
510
511 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
512 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
513
514 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
515 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
516
517 // -- MQX
518 // -- GAP (VACUUM WITH MAGNETIC FIELD)
519
520 tubpar[0] = 0.;
521 tubpar[1] = 3.5;
522 tubpar[2] = 550./2.;
523 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
524
525 // -- YOKE
526
527 tubpar[0] = 3.5;
528 tubpar[1] = 22.;
529 tubpar[2] = 550./2.;
530 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
531
532 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
533 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
534
535 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
536 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
537
538 // -- SEPARATOR DIPOLE D1
539
540 zd1 = 5838.3;
541
542 // -- GAP (VACUUM WITH MAGNETIC FIELD)
543
544 tubpar[0] = 0.;
545 tubpar[1] = 6.94/2.;
546 tubpar[2] = 945./2.;
547 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
548
549 // -- Insert horizontal Cu plates inside D1
550 // -- (to simulate the vacuum chamber)
551
552 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
553 boxpar[1] = 0.2/2.;
554 boxpar[2] =945./2.;
555 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
556 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
557 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
558
559 // -- YOKE
560
561 tubpar[0] = 0.;
562 tubpar[1] = 110./2;
563 tubpar[2] = 945./2.;
564 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
565
566 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
567 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
568
569 // -- DIPOLE D2
570
571 zd2 = 12147.6;
572
573 // -- GAP (VACUUM WITH MAGNETIC FIELD)
574
575 tubpar[0] = 0.;
576 tubpar[1] = 7.5/2.;
577 tubpar[2] = 945./2.;
578 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
579
580 // -- YOKE
581
582 tubpar[0] = 0.;
583 tubpar[1] = 55.;
584 tubpar[2] = 945./2.;
585 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
586
587 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
588
589 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
590 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
591
592 // -- END OF MAGNET DEFINITION
593}
594
595//_____________________________________________________________________________
596void AliZDCv2::CreateZDC()
597{
598
599 Float_t DimPb[6], DimVoid[6];
600
601 Int_t *idtmed = fIdtmed->GetArray();
602
603 // Parameters for hadronic calorimeters geometry
604 // NB -> parameters used ONLY in CreateZDC()
605 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
606 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
607 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
608 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
609 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
610 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
611 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
612
613 // Parameters for EM calorimeter geometry
614 // NB -> parameters used ONLY in CreateZDC()
615 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
616 Float_t fDimZEMAir = 0.001; // scotch
617 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
618 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
619 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
620 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
621 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
622 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
623
624
625 //-- Create calorimeters geometry
626
627 // -------------------------------------------------------------------------------
628 //--> Neutron calorimeter (ZN)
629
630 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
631 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
632 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
633 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
634 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
635 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
636 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
637 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
638 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
639
640 // Divide ZNEU in towers (for hits purposes)
641
642 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
643 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
644
645 //-- Divide ZN1 in minitowers
646 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
647 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
648 // (4 fibres per minitower)
649
650 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
651 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
652
653 // --- Position the empty grooves in the sticks (4 grooves per stick)
654 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
655 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
656
657 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
658 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
659 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
660 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
661
662 // --- Position the fibers in the grooves
663 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
664 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
665 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
666 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
667
668 // --- Position the neutron calorimeter in ZDC
669 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
670
671
672 // -------------------------------------------------------------------------------
673 //--> Proton calorimeter (ZP)
674
675 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
676 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
677 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
678 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
679 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
680 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
681 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
682 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
683 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
684
685 //-- Divide ZPRO in towers(for hits purposes)
686
687 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
688 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
689
690
691 //-- Divide ZP1 in minitowers
692 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
693 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
694 // (4 fiber per minitower)
695
696 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
697 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
698
699 // --- Position the empty grooves in the sticks (4 grooves per stick)
700 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
701 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
702
703 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
704 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
705 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
706 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
707
708 // --- Position the fibers in the grooves
709 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
710 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
711 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
712 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
713
714
715 // --- Position the proton calorimeter in ZDC
716 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
717
718
719 // -------------------------------------------------------------------------------
720 // -> EM calorimeter (ZEM)
721
722 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
723
724 Int_t irot1, irot2;
725
726 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
727 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
728// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
729
730 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
731
732 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
733
734 DimPb[0] = fDimZEMPb; // Lead slices
735 DimPb[1] = fDimZEM[2];
736 DimPb[2] = fDimZEM[1];
737 DimPb[3] = 90.-fDimZEM[3];
738 DimPb[4] = 0.;
739 DimPb[5] = 0.;
740 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
741 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
742// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
743
744 // --- Position the lead slices in the tranche
745 Float_t zTran = fDimZEM[0]/fDivZEM[2];
746 Float_t zTrPb = -zTran+fDimZEMPb;
747 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
748 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
749
750 // --- Vacuum zone (to be filled with fibres)
751 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
752 DimVoid[1] = fDimZEM[2];
753 DimVoid[2] = fDimZEM[1];
754 DimVoid[3] = 90.-fDimZEM[3];
755 DimVoid[4] = 0.;
756 DimVoid[5] = 0.;
757 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
758 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
759
760 // --- Divide the vacuum slice into sticks along x axis
761 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
762 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
763
764 // --- Positioning the fibers into the sticks
765 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
766 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
767
768 // --- Positioning the vacuum slice into the tranche
769 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
770 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
771 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
772
773 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
774 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
775
776 // --- Adding last slice at the end of the EM calorimeter
777// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
778// gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
779
780}
781
782//_____________________________________________________________________________
783void AliZDCv2::DrawModule()
784{
785 //
786 // Draw a shaded view of the Zero Degree Calorimeter version 1
787 //
788
789 // Set everything unseen
790 gMC->Gsatt("*", "seen", -1);
791 //
792 // Set ALIC mother transparent
793 gMC->Gsatt("ALIC","SEEN",0);
794 //
795 // Set the volumes visible
796 gMC->Gsatt("ZDC ","SEEN",0);
797 gMC->Gsatt("QT01","SEEN",1);
798 gMC->Gsatt("QT02","SEEN",1);
799 gMC->Gsatt("QT03","SEEN",1);
800 gMC->Gsatt("QT04","SEEN",1);
801 gMC->Gsatt("QT05","SEEN",1);
802 gMC->Gsatt("QT06","SEEN",1);
803 gMC->Gsatt("QT07","SEEN",1);
804 gMC->Gsatt("QT08","SEEN",1);
805 gMC->Gsatt("QT09","SEEN",1);
806 gMC->Gsatt("QT10","SEEN",1);
807 gMC->Gsatt("QT11","SEEN",1);
808 gMC->Gsatt("QT12","SEEN",1);
809 gMC->Gsatt("QT13","SEEN",1);
810 gMC->Gsatt("QT14","SEEN",1);
811 gMC->Gsatt("QT15","SEEN",1);
812 gMC->Gsatt("QT16","SEEN",1);
813 gMC->Gsatt("QT17","SEEN",1);
814 gMC->Gsatt("QT18","SEEN",1);
815 gMC->Gsatt("QC01","SEEN",1);
816 gMC->Gsatt("QC02","SEEN",1);
817 gMC->Gsatt("QC03","SEEN",1);
818 gMC->Gsatt("QC04","SEEN",1);
819 gMC->Gsatt("QC05","SEEN",1);
820 gMC->Gsatt("QTD1","SEEN",1);
821 gMC->Gsatt("QTD2","SEEN",1);
822 gMC->Gsatt("QTD3","SEEN",1);
823 gMC->Gsatt("MQXL","SEEN",1);
824 gMC->Gsatt("YMQL","SEEN",1);
825 gMC->Gsatt("MQX ","SEEN",1);
826 gMC->Gsatt("YMQ ","SEEN",1);
827 gMC->Gsatt("ZQYX","SEEN",1);
828 gMC->Gsatt("MD1 ","SEEN",1);
829 gMC->Gsatt("MD1V","SEEN",1);
830 gMC->Gsatt("YD1 ","SEEN",1);
831 gMC->Gsatt("MD2 ","SEEN",1);
832 gMC->Gsatt("YD2 ","SEEN",1);
833 gMC->Gsatt("ZNEU","SEEN",0);
834 gMC->Gsatt("ZNF1","SEEN",0);
835 gMC->Gsatt("ZNF2","SEEN",0);
836 gMC->Gsatt("ZNF3","SEEN",0);
837 gMC->Gsatt("ZNF4","SEEN",0);
838 gMC->Gsatt("ZNG1","SEEN",0);
839 gMC->Gsatt("ZNG2","SEEN",0);
840 gMC->Gsatt("ZNG3","SEEN",0);
841 gMC->Gsatt("ZNG4","SEEN",0);
842 gMC->Gsatt("ZNTX","SEEN",0);
843 gMC->Gsatt("ZN1 ","COLO",4);
844 gMC->Gsatt("ZN1 ","SEEN",1);
845 gMC->Gsatt("ZNSL","SEEN",0);
846 gMC->Gsatt("ZNST","SEEN",0);
847 gMC->Gsatt("ZPRO","SEEN",0);
848 gMC->Gsatt("ZPF1","SEEN",0);
849 gMC->Gsatt("ZPF2","SEEN",0);
850 gMC->Gsatt("ZPF3","SEEN",0);
851 gMC->Gsatt("ZPF4","SEEN",0);
852 gMC->Gsatt("ZPG1","SEEN",0);
853 gMC->Gsatt("ZPG2","SEEN",0);
854 gMC->Gsatt("ZPG3","SEEN",0);
855 gMC->Gsatt("ZPG4","SEEN",0);
856 gMC->Gsatt("ZPTX","SEEN",0);
857 gMC->Gsatt("ZP1 ","COLO",6);
858 gMC->Gsatt("ZP1 ","SEEN",1);
859 gMC->Gsatt("ZPSL","SEEN",0);
860 gMC->Gsatt("ZPST","SEEN",0);
861 gMC->Gsatt("ZEM ","COLO",7);
862 gMC->Gsatt("ZEM ","SEEN",1);
863 gMC->Gsatt("ZEMF","SEEN",0);
864 gMC->Gsatt("ZETR","SEEN",0);
865 gMC->Gsatt("ZEL0","SEEN",0);
866 gMC->Gsatt("ZEL1","SEEN",0);
867 gMC->Gsatt("ZEL2","SEEN",0);
868 gMC->Gsatt("ZEV0","SEEN",0);
869 gMC->Gsatt("ZEV1","SEEN",0);
870 gMC->Gsatt("ZES0","SEEN",0);
871 gMC->Gsatt("ZES1","SEEN",0);
872
873 //
874 gMC->Gdopt("hide", "on");
875 gMC->Gdopt("shad", "on");
876 gMC->Gsatt("*", "fill", 7);
877 gMC->SetClipBox(".");
878 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
879 gMC->DefaultRange();
880 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
881 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
882 gMC->Gdman(18, 4, "MAN");
883}
884
885//_____________________________________________________________________________
886void AliZDCv2::CreateMaterials()
887{
888 //
889 // Create Materials for the Zero Degree Calorimeter
890 //
891
892 Int_t *idtmed = fIdtmed->GetArray();
893
894 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
895 Int_t i;
896
897 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
898
899 // --- Tantalum -> ZN passive material
900 ubuf[0] = 1.1;
901 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
902
903 // --- Tungsten
904// ubuf[0] = 1.11;
905// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
906
907 // --- Brass (CuZn) -> ZP passive material
908 dens = 8.48;
909 a[0] = 63.546;
910 a[1] = 65.39;
911 z[0] = 29.;
912 z[1] = 30.;
913 wmat[0] = .63;
914 wmat[1] = .37;
915 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
916
917 // --- SiO2
918 dens = 2.64;
919 a[0] = 28.086;
920 a[1] = 15.9994;
921 z[0] = 14.;
922 z[1] = 8.;
923 wmat[0] = 1.;
924 wmat[1] = 2.;
925 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
926
927 // --- Lead
928 ubuf[0] = 1.12;
929 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
930
931 // --- Copper
932 ubuf[0] = 1.10;
933 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
934
935 // --- Iron (energy loss taken into account)
936 ubuf[0] = 1.1;
937 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
938
939 // --- Iron (no energy loss)
940 ubuf[0] = 1.1;
941 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
942
943 // --- Vacuum (no magnetic field)
944 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
945
946 // --- Vacuum (with magnetic field)
947 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
948
949 // --- Air (no magnetic field)
950 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
951
952 // --- Definition of tracking media:
953
954 // --- Tantalum = 1 ;
955 // --- Brass = 2 ;
956 // --- Fibers (SiO2) = 3 ;
957 // --- Fibers (SiO2) = 4 ;
958 // --- Lead = 5 ;
959 // --- Copper = 6 ;
960 // --- Iron (with energy loss) = 7 ;
961 // --- Iron (without energy loss) = 8 ;
962 // --- Vacuum (no field) = 10
963 // --- Vacuum (with field) = 11
964 // --- Air (no field) = 12
965
966
967 // --- Tracking media parameters
968 Float_t epsil = .01, stmin=0.01, stemax = 1.;
969 Int_t isxfld = gAlice->Field()->Integ();
970 Float_t fieldm = 0., tmaxfd = 0.;
971 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
972
973 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
974// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
975 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
976 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
977 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
978 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
979// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
980// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
981 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
982 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
983 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
984 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
985 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
986
987 ifield =2;
988 fieldm = 45.;
989 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
990
991 // Thresholds for showering in the ZDCs
992 i = 1; //tantalum
993 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
994 gMC->Gstpar(idtmed[i], "CUTELE", .001);
995 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
996 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
997 i = 2; //brass
998 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
999 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1000 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1001 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1002 i = 5; //lead
1003 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1004 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1005 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1006 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1007
1008 // Avoid too detailed showering in TDI
1009 i = 6; //copper
1010 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1011 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1012 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1013 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1014
1015 // Avoid too detailed showering along the beam line
1016 i = 7; //iron with energy loss (ZIRON)
1017 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1018 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1019 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1020 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1021
1022 // Avoid too detailed showering along the beam line
1023 i = 8; //iron with energy loss (ZIRONN)
1024 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1025 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1026 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1027 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1028
1029 // Avoid interaction in fibers (only energy loss allowed)
1030 i = 3; //fibers (ZSI02)
1031 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1032 gMC->Gstpar(idtmed[i], "MULS", 0.);
1033 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1034 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1035 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1036 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1037 gMC->Gstpar(idtmed[i], "COMP", 0.);
1038 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1039 gMC->Gstpar(idtmed[i], "BREM", 0.);
1040 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1041 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1042 gMC->Gstpar(idtmed[i], "HADR", 0.);
1043 i = 4; //fibers (ZQUAR)
1044 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1045 gMC->Gstpar(idtmed[i], "MULS", 0.);
1046 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1047 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1048 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1049 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1050 gMC->Gstpar(idtmed[i], "COMP", 0.);
1051 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1052 gMC->Gstpar(idtmed[i], "BREM", 0.);
1053 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1054 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1055 gMC->Gstpar(idtmed[i], "HADR", 0.);
1056
1057 // Avoid interaction in void
1058 i = 11; //void with field
1059 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1060 gMC->Gstpar(idtmed[i], "MULS", 0.);
1061 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1062 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1063 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1064 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1065 gMC->Gstpar(idtmed[i], "COMP", 0.);
1066 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1067 gMC->Gstpar(idtmed[i], "BREM", 0.);
1068 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1069 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1070 gMC->Gstpar(idtmed[i], "HADR", 0.);
1071
1072 //
1073 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1074 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1075 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1076 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1077 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1078// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1079// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1080 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1081}
1082
1083//_____________________________________________________________________________
1084void AliZDCv2::Init()
1085{
1086 InitTables();
1087}
1088
1089//_____________________________________________________________________________
1090void AliZDCv2::InitTables()
1091{
1092 Int_t k, j;
1093
1094 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1095 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1096 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1097
1098 // --- Reading light tables for ZN
1099 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1100 if((fp1 = fopen(lightfName1,"r")) == NULL){
1101 printf("Cannot open file fp1 \n");
1102 return;
1103 }
1104 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1105 if((fp2 = fopen(lightfName2,"r")) == NULL){
1106 printf("Cannot open file fp2 \n");
1107 return;
1108 }
1109 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1110 if((fp3 = fopen(lightfName3,"r")) == NULL){
1111 printf("Cannot open file fp3 \n");
1112 return;
1113 }
1114 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1115 if((fp4 = fopen(lightfName4,"r")) == NULL){
1116 printf("Cannot open file fp4 \n");
1117 return;
1118 }
1119
1120 for(k=0; k<fNalfan; k++){
1121 for(j=0; j<fNben; j++){
1122 fscanf(fp1,"%f",&fTablen[0][k][j]);
1123 fscanf(fp2,"%f",&fTablen[1][k][j]);
1124 fscanf(fp3,"%f",&fTablen[2][k][j]);
1125 fscanf(fp4,"%f",&fTablen[3][k][j]);
1126 }
1127 }
1128 fclose(fp1);
1129 fclose(fp2);
1130 fclose(fp3);
1131 fclose(fp4);
1132
1133 // --- Reading light tables for ZP and ZEM
1134 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1135 if((fp5 = fopen(lightfName5,"r")) == NULL){
1136 printf("Cannot open file fp5 \n");
1137 return;
1138 }
1139 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1140 if((fp6 = fopen(lightfName6,"r")) == NULL){
1141 printf("Cannot open file fp6 \n");
1142 return;
1143 }
1144 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1145 if((fp7 = fopen(lightfName7,"r")) == NULL){
1146 printf("Cannot open file fp7 \n");
1147 return;
1148 }
1149 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1150 if((fp8 = fopen(lightfName8,"r")) == NULL){
1151 printf("Cannot open file fp8 \n");
1152 return;
1153 }
1154
1155 for(k=0; k<fNalfap; k++){
1156 for(j=0; j<fNbep; j++){
1157 fscanf(fp5,"%f",&fTablep[0][k][j]);
1158 fscanf(fp6,"%f",&fTablep[1][k][j]);
1159 fscanf(fp7,"%f",&fTablep[2][k][j]);
1160 fscanf(fp8,"%f",&fTablep[3][k][j]);
1161 }
1162 }
1163 fclose(fp5);
1164 fclose(fp6);
1165 fclose(fp7);
1166 fclose(fp8);
1167}
1168
1169//_____________________________________________________________________________
1170Int_t AliZDCv2::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1171{
1172 // Evaluation of the ADC channel corresponding to the light yield Light
1173
1174 if(fDebug == 1){
1175 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1176 }
1177
1178 // Parameters for conversion of light yield in ADC channels
1179 Float_t fPMGain[3][5]; // PM gain
1180 Float_t fADCRes; // ADC conversion factor
1181
1182 Int_t j,i;
1183 for(i=0; i<3; i++){
1184 for(j=0; j<5; j++){
1185 fPMGain[i][j] = 100000.;
1186 }
1187 }
1188 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1189
1190 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1191
1192 return ADCch;
1193}
1194
1195
1196//_____________________________________________________________________________
1197void AliZDCv2::SDigits2Digits()
1198{
1199 Hits2Digits(gAlice->GetNtrack());
1200}
1201
1202//_____________________________________________________________________________
1203void AliZDCv2::Hits2Digits(Int_t ntracks)
1204{
1205 AliZDCDigit *newdigit;
1206 AliZDCHit *hit;
1207
1208 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1209
1210 Int_t i;
1211 for(i=0; i<4; i++){
1212 PMQZN[i] =0;
1213 PMQZP[i] =0;
1214 }
1215
1216 Int_t itrack = 0;
1217 for(itrack=0; itrack<ntracks; itrack++){
1218 gAlice->ResetHits();
1219 gAlice->TreeH()->GetEvent(itrack);
1220 for(i=0; i<fHits->GetEntries(); i++){
1221 hit = (AliZDCHit*)fHits->At(i);
1222 Int_t det = hit->GetVolume(0);
1223 Int_t quad = hit->GetVolume(1);
1224 Int_t lightQ = Int_t(hit->GetLightPMQ());
1225 Int_t lightC = Int_t(hit->GetLightPMC());
1226 if(fDebug == 1)
1227 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1228 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1229
1230 if(det == 1){ //ZN
1231 PMCZN = PMCZN + lightC;
1232 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1233 }
1234
1235 if(det == 2){ //ZP
1236 PMCZP = PMCZP + lightC;
1237 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1238 }
1239
1240 if(det == 3){ //ZEM
1241 PMZEM = PMZEM + lightC;
1242 }
1243 } // Hits loop
1244
1245 } // Tracks loop
1246
1247 if(fDebug == 1){
1248 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1249 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1250 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1251 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1252 printf("\n PMZEM = %d\n", PMZEM);
1253 }
1254
1255 // ------------------------------------ Hits2Digits
1256 // Digits for ZN
1257 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1258 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1259 fNdigits++;
1260 delete newdigit;
1261
1262 Int_t j;
1263 for(j=0; j<4; j++){
1264 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1265 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1266 fNdigits++;
1267 delete newdigit;
1268 }
1269
1270 // Digits for ZP
1271 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1272 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1273 fNdigits++;
1274 delete newdigit;
1275
1276 Int_t k;
1277 for(k=0; k<4; k++){
1278 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1279 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1280 fNdigits++;
1281 delete newdigit;
1282 }
1283
1284 // Digits for ZEM
1285 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1286 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1287 fNdigits++;
1288 delete newdigit;
1289
1290
1291 gAlice->TreeD()->Fill();
1292 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1293
1294// if(fDebug == 1){
1295// printf("\n Event Digits -----------------------------------------------------\n");
1296// fDigits->Print("");
1297// }
1298
1299}
1300//_____________________________________________________________________________
1301 void AliZDCv2::MakeBranch(Option_t *opt, char *file)
1302{
1303 //
1304 // Create a new branch in the current Root Tree
1305 //
1306
1307 AliDetector::MakeBranch(opt);
1308
1309 Char_t branchname[10];
1310 sprintf(branchname,"%s",GetName());
1311 const char *cD = strstr(opt,"D");
1312
1313 if (gAlice->TreeD() && cD) {
1314
1315 // Creation of the digits from hits
1316
1317 if(fDigits!=0) fDigits->Clear();
1318 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1319 char branchname[10];
1320 sprintf(branchname,"%s",GetName());
1321 gAlice->MakeBranchInTree(gAlice->TreeD(),
1322 branchname, &fDigits, fBufferSize, file) ;
1323 printf("* AliZDCv2::MakeBranch * Making Branch %s for digits\n\n",branchname);
1324 }
1325
1326}
1327//_____________________________________________________________________________
1328void AliZDCv2::StepManager()
1329{
1330 //
1331 // Routine called at every step in the Zero Degree Calorimeters
1332 //
1333
1334 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1335 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1336 TLorentzVector s, p;
1337 const char *knamed;
1338
1339 for (j=0;j<10;j++) hits[j]=0;
1340
1341 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1342 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1343 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1344// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1345
1346 // If particle interacts with beam pipe -> return
1347// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1348 // If option NoShower is set -> StopTrack
1349// if(fNoShower==1) {
1350// if(gMC->GetMedium() == fMedSensPI) {
1351// knamed = gMC->CurrentVolName();
1352// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1353// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1354// }
1355// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1356// gMC->StopTrack();
1357// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1358// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1359// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
1360// return;
1361// }
1362// }
1363
1364 //Particle coordinates
1365 gMC->TrackPosition(s);
1366 for(j=0; j<=2; j++){
1367 x[j] = s[j];
1368 }
1369 hits[0] = x[0];
1370 hits[1] = x[1];
1371 hits[2] = x[2];
1372
1373 // Determine in which ZDC the particle is
1374 knamed = gMC->CurrentVolName();
1375 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1376 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1377 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1378
1379 // Determine in which quadrant the particle is
1380
1381 //Quadrant in ZN
1382 if(vol[0]==1){
1383 xdet[0] = x[0]-fPosZN[0];
1384 xdet[1] = x[1]-fPosZN[1];
1385 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1386 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1387 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1388 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1389 }
1390
1391 //Quadrant in ZP
1392 if(vol[0]==2){
1393 xdet[0] = x[0]-fPosZP[0];
1394 xdet[1] = x[1]-fPosZP[1];
1395 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1396 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1397 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1398 for(int i=1; i<=4; i++){
1399 if(xqZP>=(i-3) && xqZP<(i-2)){
1400 vol[1] = i;
1401 break;
1402 }
1403 }
1404 }
1405
1406 //ZEM has only 1 quadrant
1407 if(vol[0] == 3){
1408 vol[1] = 1;
1409 xdet[0] = x[0]-fPosZEM[0];
1410 xdet[1] = x[1]-fPosZEM[1];
1411 }
1412
1413 // Store impact point and kinetic energy of the ENTERING particle
1414
1415// if(Curtrack==Prim){
1416 if(gMC->IsTrackEntering()){
1417 //Particle energy
1418 gMC->TrackMomentum(p);
1419 hits[3] = p[3];
1420 // Impact point on ZDC
1421 hits[4] = xdet[0];
1422 hits[5] = xdet[1];
1423 hits[6] = 0;
1424 hits[7] = 0;
1425 hits[8] = 0;
1426 hits[9] = 0;
1427
1428// Int_t PcID = gMC->TrackPid();
1429// printf("Pc ID -> %d\n",PcID);
1430 AddHit(gAlice->CurrentTrack(), vol, hits);
1431
1432 if(fNoShower==1){
1433// fpDetected += 1;
1434 gMC->StopTrack();
1435// printf("\n # of detected p = %d\n",fpDetected);
1436 return;
1437 }
1438 }
1439// } // Curtrack IF
1440
1441 // Charged particles -> Energy loss
1442 if((destep=gMC->Edep())){
1443 if(gMC->IsTrackStop()){
1444 gMC->TrackMomentum(p);
1445 m = gMC->TrackMass();
1446 ekin = p[3]-m;
1447 hits[9] = ekin;
1448 hits[7] = 0.;
1449 hits[8] = 0.;
1450 AddHit(gAlice->CurrentTrack(), vol, hits);
1451 }
1452 else{
1453 hits[9] = destep;
1454 hits[7] = 0.;
1455 hits[8] = 0.;
1456 AddHit(gAlice->CurrentTrack(), vol, hits);
1457 }
1458// printf(" Dep. E = %f \n",hits[9]);
1459 }
1460 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1461
1462
1463 // *** Light production in fibres
1464 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1465
1466 //Select charged particles
1467 if((destep=gMC->Edep())){
1468
1469 // Particle velocity
1470 gMC->TrackMomentum(p);
1471 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1472 Float_t beta = ptot/p[3];
1473 if(beta<0.67) return;
1474 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1475 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1476 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1477 if(beta>0.95) ibeta = 3;
1478
1479 // Angle between particle trajectory and fibre axis
1480 // 1 -> Momentum directions
1481 um[0] = p[0]/ptot;
1482 um[1] = p[1]/ptot;
1483 um[2] = p[2]/ptot;
1484 gMC->Gmtod(um,ud,2);
1485 // 2 -> Angle < limit angle
1486 Double_t alfar = TMath::ACos(ud[2]);
1487 Double_t alfa = alfar*kRaddeg;
1488 if(alfa>=110.) return;
1489 ialfa = Int_t(1.+alfa/2.);
1490
1491 // Distance between particle trajectory and fibre axis
1492 gMC->TrackPosition(s);
1493 for(j=0; j<=2; j++){
1494 x[j] = s[j];
1495 }
1496 gMC->Gmtod(x,xdet,1);
1497 if(TMath::Abs(ud[0])>0.00001){
1498 Float_t dcoeff = ud[1]/ud[0];
1499 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1500 }
1501 else{
1502 be = TMath::Abs(ud[0]);
1503 }
1504
1505 if((vol[0]==1)) radius = fFibZN[1];
1506 if((vol[0]==2)) radius = fFibZP[1];
1507 ibe = Int_t(be*1000.+1);
1508
1509 //Looking into the light tables
1510 Float_t charge = gMC->TrackCharge();
1511
1512 // (1) ZN
1513 if((vol[0]==1)) {
1514 if(ibe>fNben) ibe=fNben;
1515 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1516 nphe = gRandom->Poisson(out);
1517// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1518// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1519 if(gMC->GetMedium() == fMedSensF1){
1520 hits[7] = nphe; //fLightPMQ
1521 hits[8] = 0;
1522 hits[9] = 0;
1523 AddHit(gAlice->CurrentTrack(), vol, hits);
1524 }
1525 else{
1526 hits[7] = 0;
1527 hits[8] = nphe; //fLightPMC
1528 hits[9] = 0;
1529 AddHit(gAlice->CurrentTrack(), vol, hits);
1530 }
1531 }
1532
1533 // (2) ZP
1534 if((vol[0]==2)) {
1535 if(ibe>fNbep) ibe=fNbep;
1536 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1537 nphe = gRandom->Poisson(out);
1538// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1539// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1540 if(gMC->GetMedium() == fMedSensF1){
1541 hits[7] = nphe; //fLightPMQ
1542 hits[8] = 0;
1543 hits[9] = 0;
1544 AddHit(gAlice->CurrentTrack(), vol, hits);
1545 }
1546 else{
1547 hits[7] = 0;
1548 hits[8] = nphe; //fLightPMC
1549 hits[9] = 0;
1550 AddHit(gAlice->CurrentTrack(), vol, hits);
1551 }
1552 }
1553 // (3) ZEM
1554 if((vol[0]==3)) {
1555 if(ibe>fNbep) ibe=fNbep;
1556 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1557 nphe = gRandom->Poisson(out);
1558// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1559// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1560 hits[7] = 0;
1561 hits[8] = nphe; //fLightPMC
1562 hits[9] = 0;
1563 AddHit(gAlice->CurrentTrack(), vol, hits);
1564 }
1565 }
1566 }
1567}