]> git.uio.no Git - u/mrichter/AliRoot.git/blame - ZDC/AliZDCv2.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
TDI in correct position and minor correction
[u/mrichter/AliRoot.git] / ZDC / AliZDCv2.cxx
CommitLineData
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$Log$
7cc664ae 18Revision 1.1 2001/05/14 09:57:39 coppedis
19A different geometry for the ZDCs
20
4663d63d 21
22*/
23
24///////////////////////////////////////////////////////////////////////////////
25// //
26// Zero Degree Calorimeter //
27// This class contains the basic functions for the ZDC //
28// Functions specific to one particular geometry are //
29// contained in the derived classes //
30// //
31///////////////////////////////////////////////////////////////////////////////
32
33// --- Standard libraries
34#include "stdio.h"
35
36// --- ROOT system
37#include <TBRIK.h>
38#include <TNode.h>
39#include <TMath.h>
40#include <TRandom.h>
41#include <TSystem.h>
42#include <TTree.h>
43
44
45// --- AliRoot classes
46#include "AliZDCv2.h"
47#include "AliZDCHit.h"
48#include "AliZDCDigit.h"
49#include "AliRun.h"
50#include "AliDetector.h"
51#include "AliMagF.h"
52#include "AliMC.h"
53#include "AliCallf77.h"
54#include "AliConst.h"
55#include "AliPDG.h"
56#include "TLorentzVector.h"
57
58
59ClassImp(AliZDCv2)
60
61
62///////////////////////////////////////////////////////////////////////////////
63// //
64// Zero Degree Calorimeter version 2 //
65// //
66///////////////////////////////////////////////////////////////////////////////
67
68//_____________________________________________________________________________
69AliZDCv2::AliZDCv2() : AliZDC()
70{
71 //
72 // Default constructor for Zero Degree Calorimeter
73 //
74
75 fMedSensF1 = 0;
76 fMedSensF2 = 0;
77 fMedSensZN = 0;
78 fMedSensZP = 0;
79 fMedSensZEM = 0;
80 fMedSensGR = 0;
81// fMedSensPI = 0;
82// fMedSensTDI = 0;
83}
84
85//_____________________________________________________________________________
86AliZDCv2::AliZDCv2(const char *name, const char *title)
87 : AliZDC(name,title)
88{
89 //
90 // Standard constructor for Zero Degree Calorimeter
91 //
92 //
93 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
94
95 AliModule* PIPE=gAlice->GetModule("PIPE");
96 AliModule* ABSO=gAlice->GetModule("ABSO");
97 AliModule* DIPO=gAlice->GetModule("DIPO");
98 AliModule* SHIL=gAlice->GetModule("SHIL");
99 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
100 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
101 exit(1);
102 }
103
104 fMedSensF1 = 0;
105 fMedSensF2 = 0;
106 fMedSensZN = 0;
107 fMedSensZP = 0;
108 fMedSensZEM = 0;
109 fMedSensGR = 0;
110// fMedSensPI = 0;
111// fMedSensTDI = 0;
112
113
114 // Parameters for light tables
115 fNalfan = 90; // Number of Alfa (neutrons)
116 fNalfap = 90; // Number of Alfa (protons)
117 fNben = 18; // Number of beta (neutrons)
118 fNbep = 28; // Number of beta (protons)
119 Int_t ip,jp,kp;
120 for(ip=0; ip<4; ip++){
121 for(kp=0; kp<fNalfap; kp++){
122 for(jp=0; jp<fNbep; jp++){
123 fTablep[ip][kp][jp] = 0;
124 }
125 }
126 }
127 Int_t in,jn,kn;
128 for(in=0; in<4; in++){
129 for(kn=0; kn<fNalfan; kn++){
130 for(jn=0; jn<fNben; jn++){
131 fTablen[in][kn][jn] = 0;
132 }
133 }
134 }
135
136 // Parameters for hadronic calorimeters geometry
137 fDimZP[0] = 11.2;
138 fDimZP[1] = 6.;
139 fDimZP[2] = 75.;
140 fPosZN[0] = 0.;
141 fPosZN[1] = -1.2;
142 fPosZN[2] = 11650.;
143 fPosZP[0] = -24.;
144 fPosZP[1] = 0.;
145 fPosZP[2] = 11600.;
146 fFibZN[0] = 0.;
147 fFibZN[1] = 0.01825;
148 fFibZN[2] = 50.;
149 fFibZP[0] = 0.;
150 fFibZP[1] = 0.0275;
151 fFibZP[2] = 75.;
152
153 // Parameters for EM calorimeter geometry
154 fPosZEM[0] = 8.5;
155 fPosZEM[1] = 0.;
156 fPosZEM[2] = -1000.;
157
158
159 fDigits = new TClonesArray("AliZDCDigit",1000);
160}
161
162//_____________________________________________________________________________
163void AliZDCv2::CreateGeometry()
164{
165 //
166 // Create the geometry for the Zero Degree Calorimeter version 1
167 //* Initialize COMMON block ZDC_CGEOM
168 //*
169
170 CreateBeamLine();
171 CreateZDC();
172}
173
174//_____________________________________________________________________________
175void AliZDCv2::CreateBeamLine()
176{
177
178 Float_t zq, zd1, zd2;
179 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
180 Int_t im1, im2;
181
182 Int_t *idtmed = fIdtmed->GetArray();
183
184 // -- Mother of the ZDCs (Vacuum PCON)
185
186 conpar[0] = 0.;
187 conpar[1] = 360.;
188 conpar[2] = 2.;
189 conpar[3] = -1100.;
190 conpar[4] = 0.;
191 conpar[5] = 155.;
192 conpar[6] = 13060.;
193 conpar[7] = 0.;
194 conpar[8] = 155.;
195 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
196 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
197
198 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
199 // the beginning of D1)
200
201 zd1 = 2000.;
202
203 tubpar[0] = 6.3/2.;
204 tubpar[1] = 6.7/2.;
205 tubpar[2] = 3838.3/2.;
206 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
207 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
208
209 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
210 // beginning of D2)
211
212 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
213 //-- Cylindrical pipe (r = 3.47) + conical flare
214
215 // -> Beginning of D1
216 zd1 += 2.*tubpar[2];
217
218 tubpar[0] = 3.47;
219 tubpar[1] = 3.47+0.2;
220 tubpar[2] = 958.5/2.;
221 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
222 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
223
224 zd1 += 2.*tubpar[2];
225
226 conpar[0] = 25./2.;
227 conpar[1] = 6.44/2.;
228 conpar[2] = 6.84/2.;
229 conpar[3] = 10./2.;
230 conpar[4] = 10.4/2.;
231 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
232 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
233
234 zd1 += 2.*conpar[0];
235
236 tubpar[0] = 10./2.;
237 tubpar[1] = 10.4/2.;
238 tubpar[2] = 50./2.;
239 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
240 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
241
242 zd1 += tubpar[2]*2.;
243
244 tubpar[0] = 10./2.;
245 tubpar[1] = 10.4/2.;
246 tubpar[2] = 10./2.;
247 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
248 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
249
250 zd1 += tubpar[2] * 2.;
251
252 tubpar[0] = 10./2.;
253 tubpar[1] = 10.4/2.;
254 tubpar[2] = 3.16/2.;
255 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
256 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
257
258 zd1 += tubpar[2] * 2.;
259
260 tubpar[0] = 10.0/2.;
261 tubpar[1] = 10.4/2;
262 tubpar[2] = 190./2.;
263 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
264 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
265
266 zd1 += tubpar[2] * 2.;
267
268 conpar[0] = 30./2.;
269 conpar[1] = 10./2.;
270 conpar[2] = 10.4/2.;
271 conpar[3] = 20.6/2.;
272 conpar[4] = 21./2.;
273 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
274 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
275
276 zd1 += conpar[0] * 2.;
277
278 tubpar[0] = 20.6/2.;
279 tubpar[1] = 21./2.;
280 tubpar[2] = 450./2.;
281 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
282 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
283
284 zd1 += tubpar[2] * 2.;
285
286 conpar[0] = 13.6/2.;
287 conpar[1] = 20.6/2.;
288 conpar[2] = 21./2.;
289 conpar[3] = 25.4/2.;
290 conpar[4] = 25.8/2.;
291 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
292 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
293
294 zd1 += conpar[0] * 2.;
295
296 tubpar[0] = 25.4/2.;
297 tubpar[1] = 25.8/2.;
298 tubpar[2] = 205.8/2.;
299 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
300 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
301
302 zd1 += tubpar[2] * 2.;
303
304 tubpar[0] = 50./2.;
305 tubpar[1] = 50.4/2.;
306 // QT09 is 10 cm longer to accomodate TDI
307 tubpar[2] = 515.4/2.;
308 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
309 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
310
311 // --- Insert TDI (inside ZDC volume)
312
313 boxpar[0] = 5.6;
314 boxpar[1] = 5.6;
315 boxpar[2] = 400./2.;
316 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
317 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
318 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
319
320 boxpar[0] = 0.2/2.;
321 boxpar[1] = 5.6;
322 boxpar[2] = 400./2.;
323 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
324 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
325
326 tubspar[0] = 6.2;
327 tubspar[1] = 6.4;
328 tubspar[2] = 400./2.;
329 tubspar[3] = 180.-62.5;
330 tubspar[4] = 180.+62.5;
331 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
332 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
333
334 zd1 += tubpar[2] * 2.;
335
336 tubpar[0] = 50./2.;
337 tubpar[1] = 50.4/2.;
338 // QT10 is 10 cm shorter
339 tubpar[2] = 690./2.;
340 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
341 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
342
343 zd1 += tubpar[2] * 2.;
344
345 tubpar[0] = 50./2.;
346 tubpar[1] = 50.4/2.;
347 tubpar[2] = 778.5/2.;
348 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
349 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
350
351 zd1 += tubpar[2] * 2.;
352
353 conpar[0] = 14.18/2.;
354 conpar[1] = 50./2.;
355 conpar[2] = 50.4/2.;
356 conpar[3] = 55./2.;
357 conpar[4] = 55.4/2.;
358 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
359 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
360
361 zd1 += conpar[0] * 2.;
362
363 tubpar[0] = 55./2.;
364 tubpar[1] = 55.4/2.;
365 tubpar[2] = 730./2.;
366 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
367 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
368
369 zd1 += tubpar[2] * 2.;
370
371 conpar[0] = 36.86/2.;
372 conpar[1] = 55./2.;
373 conpar[2] = 55.4/2.;
374 conpar[3] = 68./2.;
375 conpar[4] = 68.4/2.;
376 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
377 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
378
379 zd1 += conpar[0] * 2.;
380
381 tubpar[0] = 68./2.;
382 tubpar[1] = 68.4/2.;
383 tubpar[2] = 927.3/2.;
384 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
385 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
386
387 zd1 += tubpar[2] * 2.;
388
389 tubpar[0] = 0./2.;
390 tubpar[1] = 68.4/2.;
391 tubpar[2] = 0.2/2.;
392 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
393 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
394
395 zd1 += tubpar[2] * 2.;
396
397 tubpar[0] = 0./2.;
398 tubpar[1] = 6.4/2.;
399 tubpar[2] = 0.2/2.;
400 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
401
402 //-- Position QT15 inside QT14
403 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
404
405 tubpar[0] = 0./2.;
406 tubpar[1] = 6.4/2.;
407 tubpar[2] = 0.2/2.;
408 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
409
410 //-- Position QT16 inside QT14
411 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
412
413
414 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
415
416 tubpar[0] = 6.4/2.;
417 tubpar[1] = 6.8/2.;
418 tubpar[2] = 680.8/2.;
419 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
420
421 tubpar[0] = 6.4/2.;
422 tubpar[1] = 6.8/2.;
423 tubpar[2] = 680.8/2.;
424 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
425
426 // -- ROTATE PIPES
427
428 Float_t angle = 0.143*kDegrad;
429
430 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
431 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
432 0., tubpar[2] + zd1, im1, "ONLY");
433
434 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
435 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
436 0., tubpar[2] + zd1, im2, "ONLY");
437
438 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
439
440 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
441 tubpar[0] = 8.0/2.;
442 tubpar[1] = 8.2/2.;
7cc664ae 443 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
4663d63d 444 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
445 gMC->Gspos("QT19", 1, "ZDC ", 0., 0., zb - tubpar[2], 0, "ONLY");
446
447
448 // -- END OF BEAM PIPE VOLUME DEFINITION.
449 // ----------------------------------------------------------------
450
451 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
452
453 // ----------------------------------------------------------------
454 // Replaced by the muon dipole
455 // ----------------------------------------------------------------
456 // -- COMPENSATOR DIPOLE (MBXW)
457 // GAP (VACUUM WITH MAGNETIC FIELD)
458
459// tubpar[0] = 0.;
460// tubpar[1] = 4.5;
461// tubpar[2] = 340./2.;
462// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
463// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
464
465 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
466
467// tubpar[0] = 4.5;
468// tubpar[1] = 55.;
469// tubpar[2] = 340./2.;
470// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
471// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
472
473 // ----------------------------------------------------------------
474 // Replaced by the second dipole
475 // ----------------------------------------------------------------
476 // -- COMPENSATOR DIPOLE (MCBWA)
477 // GAP (VACUUM WITH MAGNETIC FIELD)
478
479// tubpar[0] = 0.;
480// tubpar[1] = 4.5;
481// tubpar[2] = 170./2.;
482// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
483// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
484
485 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
486
487// tubpar[0] = 4.5;
488// tubpar[1] = 55.;
489// tubpar[2] = 170./2.;
490// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
491// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
492
493 // -- INNER TRIPLET
494
495 zq = 2296.5;
496
497 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
498
499 // MQXL
500 // -- GAP (VACUUM WITH MAGNETIC FIELD)
501
502 tubpar[0] = 0.;
503 tubpar[1] = 3.5;
504 tubpar[2] = 637./2.;
505 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
506
507 // -- YOKE
508
509 tubpar[0] = 3.5;
510 tubpar[1] = 22.;
511 tubpar[2] = 637./2.;
512 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
513
514 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
515 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
516
517 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
518 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
519
520 // -- MQX
521 // -- GAP (VACUUM WITH MAGNETIC FIELD)
522
523 tubpar[0] = 0.;
524 tubpar[1] = 3.5;
525 tubpar[2] = 550./2.;
526 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
527
528 // -- YOKE
529
530 tubpar[0] = 3.5;
531 tubpar[1] = 22.;
532 tubpar[2] = 550./2.;
533 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
534
535 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
536 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
537
538 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
539 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
540
541 // -- SEPARATOR DIPOLE D1
542
543 zd1 = 5838.3;
544
545 // -- GAP (VACUUM WITH MAGNETIC FIELD)
546
547 tubpar[0] = 0.;
548 tubpar[1] = 6.94/2.;
549 tubpar[2] = 945./2.;
550 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
551
552 // -- Insert horizontal Cu plates inside D1
553 // -- (to simulate the vacuum chamber)
554
555 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
556 boxpar[1] = 0.2/2.;
557 boxpar[2] =945./2.;
558 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
559 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
560 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
561
562 // -- YOKE
563
564 tubpar[0] = 0.;
565 tubpar[1] = 110./2;
566 tubpar[2] = 945./2.;
567 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
568
569 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
570 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
571
572 // -- DIPOLE D2
573
574 zd2 = 12147.6;
575
576 // -- GAP (VACUUM WITH MAGNETIC FIELD)
577
578 tubpar[0] = 0.;
579 tubpar[1] = 7.5/2.;
580 tubpar[2] = 945./2.;
581 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
582
583 // -- YOKE
584
585 tubpar[0] = 0.;
586 tubpar[1] = 55.;
587 tubpar[2] = 945./2.;
588 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
589
590 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
591
592 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
593 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
594
595 // -- END OF MAGNET DEFINITION
596}
597
598//_____________________________________________________________________________
599void AliZDCv2::CreateZDC()
600{
601
602 Float_t DimPb[6], DimVoid[6];
603
604 Int_t *idtmed = fIdtmed->GetArray();
605
606 // Parameters for hadronic calorimeters geometry
607 // NB -> parameters used ONLY in CreateZDC()
608 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
609 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
610 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
611 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
612 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
613 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
614 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
615
616 // Parameters for EM calorimeter geometry
617 // NB -> parameters used ONLY in CreateZDC()
618 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
619 Float_t fDimZEMAir = 0.001; // scotch
620 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
621 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
622 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
623 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
624 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
625 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
626
627
628 //-- Create calorimeters geometry
629
630 // -------------------------------------------------------------------------------
631 //--> Neutron calorimeter (ZN)
632
633 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
634 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
635 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
636 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
637 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
638 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
639 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
640 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
641 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
642
643 // Divide ZNEU in towers (for hits purposes)
644
645 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
646 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
647
648 //-- Divide ZN1 in minitowers
649 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
650 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
651 // (4 fibres per minitower)
652
653 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
654 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
655
656 // --- Position the empty grooves in the sticks (4 grooves per stick)
657 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
658 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
659
660 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
661 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
662 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
663 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
664
665 // --- Position the fibers in the grooves
666 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
667 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
668 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
669 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
670
671 // --- Position the neutron calorimeter in ZDC
672 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
673
674
675 // -------------------------------------------------------------------------------
676 //--> Proton calorimeter (ZP)
677
678 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
679 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
680 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
681 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
682 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
683 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
684 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
685 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
686 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
687
688 //-- Divide ZPRO in towers(for hits purposes)
689
690 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
691 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
692
693
694 //-- Divide ZP1 in minitowers
695 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
696 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
697 // (4 fiber per minitower)
698
699 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
700 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
701
702 // --- Position the empty grooves in the sticks (4 grooves per stick)
703 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
704 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
705
706 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
707 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
708 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
709 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
710
711 // --- Position the fibers in the grooves
712 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
713 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
714 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
715 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
716
717
718 // --- Position the proton calorimeter in ZDC
719 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
720
721
722 // -------------------------------------------------------------------------------
723 // -> EM calorimeter (ZEM)
724
725 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
726
727 Int_t irot1, irot2;
728
729 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
730 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
731// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
732
733 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
734
735 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
736
737 DimPb[0] = fDimZEMPb; // Lead slices
738 DimPb[1] = fDimZEM[2];
739 DimPb[2] = fDimZEM[1];
740 DimPb[3] = 90.-fDimZEM[3];
741 DimPb[4] = 0.;
742 DimPb[5] = 0.;
743 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
744 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
745// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
746
747 // --- Position the lead slices in the tranche
748 Float_t zTran = fDimZEM[0]/fDivZEM[2];
749 Float_t zTrPb = -zTran+fDimZEMPb;
750 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
751 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
752
753 // --- Vacuum zone (to be filled with fibres)
754 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
755 DimVoid[1] = fDimZEM[2];
756 DimVoid[2] = fDimZEM[1];
757 DimVoid[3] = 90.-fDimZEM[3];
758 DimVoid[4] = 0.;
759 DimVoid[5] = 0.;
760 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
761 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
762
763 // --- Divide the vacuum slice into sticks along x axis
764 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
765 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
766
767 // --- Positioning the fibers into the sticks
768 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
769 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
770
771 // --- Positioning the vacuum slice into the tranche
772 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
773 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
774 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
775
776 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
777 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
778
779 // --- Adding last slice at the end of the EM calorimeter
780// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
781// gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
782
783}
784
785//_____________________________________________________________________________
786void AliZDCv2::DrawModule()
787{
788 //
789 // Draw a shaded view of the Zero Degree Calorimeter version 1
790 //
791
792 // Set everything unseen
793 gMC->Gsatt("*", "seen", -1);
794 //
795 // Set ALIC mother transparent
796 gMC->Gsatt("ALIC","SEEN",0);
797 //
798 // Set the volumes visible
799 gMC->Gsatt("ZDC ","SEEN",0);
800 gMC->Gsatt("QT01","SEEN",1);
801 gMC->Gsatt("QT02","SEEN",1);
802 gMC->Gsatt("QT03","SEEN",1);
803 gMC->Gsatt("QT04","SEEN",1);
804 gMC->Gsatt("QT05","SEEN",1);
805 gMC->Gsatt("QT06","SEEN",1);
806 gMC->Gsatt("QT07","SEEN",1);
807 gMC->Gsatt("QT08","SEEN",1);
808 gMC->Gsatt("QT09","SEEN",1);
809 gMC->Gsatt("QT10","SEEN",1);
810 gMC->Gsatt("QT11","SEEN",1);
811 gMC->Gsatt("QT12","SEEN",1);
812 gMC->Gsatt("QT13","SEEN",1);
813 gMC->Gsatt("QT14","SEEN",1);
814 gMC->Gsatt("QT15","SEEN",1);
815 gMC->Gsatt("QT16","SEEN",1);
816 gMC->Gsatt("QT17","SEEN",1);
817 gMC->Gsatt("QT18","SEEN",1);
818 gMC->Gsatt("QC01","SEEN",1);
819 gMC->Gsatt("QC02","SEEN",1);
820 gMC->Gsatt("QC03","SEEN",1);
821 gMC->Gsatt("QC04","SEEN",1);
822 gMC->Gsatt("QC05","SEEN",1);
823 gMC->Gsatt("QTD1","SEEN",1);
824 gMC->Gsatt("QTD2","SEEN",1);
825 gMC->Gsatt("QTD3","SEEN",1);
826 gMC->Gsatt("MQXL","SEEN",1);
827 gMC->Gsatt("YMQL","SEEN",1);
828 gMC->Gsatt("MQX ","SEEN",1);
829 gMC->Gsatt("YMQ ","SEEN",1);
830 gMC->Gsatt("ZQYX","SEEN",1);
831 gMC->Gsatt("MD1 ","SEEN",1);
832 gMC->Gsatt("MD1V","SEEN",1);
833 gMC->Gsatt("YD1 ","SEEN",1);
834 gMC->Gsatt("MD2 ","SEEN",1);
835 gMC->Gsatt("YD2 ","SEEN",1);
836 gMC->Gsatt("ZNEU","SEEN",0);
837 gMC->Gsatt("ZNF1","SEEN",0);
838 gMC->Gsatt("ZNF2","SEEN",0);
839 gMC->Gsatt("ZNF3","SEEN",0);
840 gMC->Gsatt("ZNF4","SEEN",0);
841 gMC->Gsatt("ZNG1","SEEN",0);
842 gMC->Gsatt("ZNG2","SEEN",0);
843 gMC->Gsatt("ZNG3","SEEN",0);
844 gMC->Gsatt("ZNG4","SEEN",0);
845 gMC->Gsatt("ZNTX","SEEN",0);
846 gMC->Gsatt("ZN1 ","COLO",4);
847 gMC->Gsatt("ZN1 ","SEEN",1);
848 gMC->Gsatt("ZNSL","SEEN",0);
849 gMC->Gsatt("ZNST","SEEN",0);
850 gMC->Gsatt("ZPRO","SEEN",0);
851 gMC->Gsatt("ZPF1","SEEN",0);
852 gMC->Gsatt("ZPF2","SEEN",0);
853 gMC->Gsatt("ZPF3","SEEN",0);
854 gMC->Gsatt("ZPF4","SEEN",0);
855 gMC->Gsatt("ZPG1","SEEN",0);
856 gMC->Gsatt("ZPG2","SEEN",0);
857 gMC->Gsatt("ZPG3","SEEN",0);
858 gMC->Gsatt("ZPG4","SEEN",0);
859 gMC->Gsatt("ZPTX","SEEN",0);
860 gMC->Gsatt("ZP1 ","COLO",6);
861 gMC->Gsatt("ZP1 ","SEEN",1);
862 gMC->Gsatt("ZPSL","SEEN",0);
863 gMC->Gsatt("ZPST","SEEN",0);
864 gMC->Gsatt("ZEM ","COLO",7);
865 gMC->Gsatt("ZEM ","SEEN",1);
866 gMC->Gsatt("ZEMF","SEEN",0);
867 gMC->Gsatt("ZETR","SEEN",0);
868 gMC->Gsatt("ZEL0","SEEN",0);
869 gMC->Gsatt("ZEL1","SEEN",0);
870 gMC->Gsatt("ZEL2","SEEN",0);
871 gMC->Gsatt("ZEV0","SEEN",0);
872 gMC->Gsatt("ZEV1","SEEN",0);
873 gMC->Gsatt("ZES0","SEEN",0);
874 gMC->Gsatt("ZES1","SEEN",0);
875
876 //
877 gMC->Gdopt("hide", "on");
878 gMC->Gdopt("shad", "on");
879 gMC->Gsatt("*", "fill", 7);
880 gMC->SetClipBox(".");
881 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
882 gMC->DefaultRange();
883 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
884 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
885 gMC->Gdman(18, 4, "MAN");
886}
887
888//_____________________________________________________________________________
889void AliZDCv2::CreateMaterials()
890{
891 //
892 // Create Materials for the Zero Degree Calorimeter
893 //
894
895 Int_t *idtmed = fIdtmed->GetArray();
896
897 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
898 Int_t i;
899
900 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
901
902 // --- Tantalum -> ZN passive material
903 ubuf[0] = 1.1;
904 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
905
906 // --- Tungsten
907// ubuf[0] = 1.11;
908// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
909
910 // --- Brass (CuZn) -> ZP passive material
911 dens = 8.48;
912 a[0] = 63.546;
913 a[1] = 65.39;
914 z[0] = 29.;
915 z[1] = 30.;
916 wmat[0] = .63;
917 wmat[1] = .37;
918 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
919
920 // --- SiO2
921 dens = 2.64;
922 a[0] = 28.086;
923 a[1] = 15.9994;
924 z[0] = 14.;
925 z[1] = 8.;
926 wmat[0] = 1.;
927 wmat[1] = 2.;
928 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
929
930 // --- Lead
931 ubuf[0] = 1.12;
932 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
933
934 // --- Copper
935 ubuf[0] = 1.10;
936 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
937
938 // --- Iron (energy loss taken into account)
939 ubuf[0] = 1.1;
940 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
941
942 // --- Iron (no energy loss)
943 ubuf[0] = 1.1;
944 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
945
946 // --- Vacuum (no magnetic field)
947 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
948
949 // --- Vacuum (with magnetic field)
950 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
951
952 // --- Air (no magnetic field)
953 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
954
955 // --- Definition of tracking media:
956
957 // --- Tantalum = 1 ;
958 // --- Brass = 2 ;
959 // --- Fibers (SiO2) = 3 ;
960 // --- Fibers (SiO2) = 4 ;
961 // --- Lead = 5 ;
962 // --- Copper = 6 ;
963 // --- Iron (with energy loss) = 7 ;
964 // --- Iron (without energy loss) = 8 ;
965 // --- Vacuum (no field) = 10
966 // --- Vacuum (with field) = 11
967 // --- Air (no field) = 12
968
969
970 // --- Tracking media parameters
971 Float_t epsil = .01, stmin=0.01, stemax = 1.;
7cc664ae 972// Int_t isxfld = gAlice->Field()->Integ();
4663d63d 973 Float_t fieldm = 0., tmaxfd = 0.;
974 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
975
976 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
977// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
978 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
979 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
980 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
981 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
982// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
983// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
984 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
985 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
986 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
987 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
988 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
989
990 ifield =2;
991 fieldm = 45.;
7cc664ae 992 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
4663d63d 993
994 // Thresholds for showering in the ZDCs
995 i = 1; //tantalum
996 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
997 gMC->Gstpar(idtmed[i], "CUTELE", .001);
998 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
999 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1000 i = 2; //brass
1001 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1002 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1003 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1004 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1005 i = 5; //lead
1006 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1007 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1008 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1009 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1010
1011 // Avoid too detailed showering in TDI
1012 i = 6; //copper
1013 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1014 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1015 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1016 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1017
1018 // Avoid too detailed showering along the beam line
1019 i = 7; //iron with energy loss (ZIRON)
1020 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1021 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1022 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1023 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1024
1025 // Avoid too detailed showering along the beam line
1026 i = 8; //iron with energy loss (ZIRONN)
1027 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1028 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1029 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1030 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1031
1032 // Avoid interaction in fibers (only energy loss allowed)
1033 i = 3; //fibers (ZSI02)
1034 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1035 gMC->Gstpar(idtmed[i], "MULS", 0.);
1036 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1037 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1038 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1039 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1040 gMC->Gstpar(idtmed[i], "COMP", 0.);
1041 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1042 gMC->Gstpar(idtmed[i], "BREM", 0.);
1043 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1044 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1045 gMC->Gstpar(idtmed[i], "HADR", 0.);
1046 i = 4; //fibers (ZQUAR)
1047 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1048 gMC->Gstpar(idtmed[i], "MULS", 0.);
1049 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1050 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1051 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1052 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1053 gMC->Gstpar(idtmed[i], "COMP", 0.);
1054 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1055 gMC->Gstpar(idtmed[i], "BREM", 0.);
1056 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1057 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1058 gMC->Gstpar(idtmed[i], "HADR", 0.);
1059
1060 // Avoid interaction in void
1061 i = 11; //void with field
1062 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1063 gMC->Gstpar(idtmed[i], "MULS", 0.);
1064 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1065 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1066 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1067 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1068 gMC->Gstpar(idtmed[i], "COMP", 0.);
1069 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1070 gMC->Gstpar(idtmed[i], "BREM", 0.);
1071 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1072 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1073 gMC->Gstpar(idtmed[i], "HADR", 0.);
1074
1075 //
1076 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1077 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1078 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1079 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1080 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1081// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1082// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1083 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1084}
1085
1086//_____________________________________________________________________________
1087void AliZDCv2::Init()
1088{
1089 InitTables();
1090}
1091
1092//_____________________________________________________________________________
1093void AliZDCv2::InitTables()
1094{
1095 Int_t k, j;
1096
1097 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1098 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1099 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1100
1101 // --- Reading light tables for ZN
1102 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1103 if((fp1 = fopen(lightfName1,"r")) == NULL){
1104 printf("Cannot open file fp1 \n");
1105 return;
1106 }
1107 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1108 if((fp2 = fopen(lightfName2,"r")) == NULL){
1109 printf("Cannot open file fp2 \n");
1110 return;
1111 }
1112 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1113 if((fp3 = fopen(lightfName3,"r")) == NULL){
1114 printf("Cannot open file fp3 \n");
1115 return;
1116 }
1117 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1118 if((fp4 = fopen(lightfName4,"r")) == NULL){
1119 printf("Cannot open file fp4 \n");
1120 return;
1121 }
1122
1123 for(k=0; k<fNalfan; k++){
1124 for(j=0; j<fNben; j++){
1125 fscanf(fp1,"%f",&fTablen[0][k][j]);
1126 fscanf(fp2,"%f",&fTablen[1][k][j]);
1127 fscanf(fp3,"%f",&fTablen[2][k][j]);
1128 fscanf(fp4,"%f",&fTablen[3][k][j]);
1129 }
1130 }
1131 fclose(fp1);
1132 fclose(fp2);
1133 fclose(fp3);
1134 fclose(fp4);
1135
1136 // --- Reading light tables for ZP and ZEM
1137 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1138 if((fp5 = fopen(lightfName5,"r")) == NULL){
1139 printf("Cannot open file fp5 \n");
1140 return;
1141 }
1142 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1143 if((fp6 = fopen(lightfName6,"r")) == NULL){
1144 printf("Cannot open file fp6 \n");
1145 return;
1146 }
1147 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1148 if((fp7 = fopen(lightfName7,"r")) == NULL){
1149 printf("Cannot open file fp7 \n");
1150 return;
1151 }
1152 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1153 if((fp8 = fopen(lightfName8,"r")) == NULL){
1154 printf("Cannot open file fp8 \n");
1155 return;
1156 }
1157
1158 for(k=0; k<fNalfap; k++){
1159 for(j=0; j<fNbep; j++){
1160 fscanf(fp5,"%f",&fTablep[0][k][j]);
1161 fscanf(fp6,"%f",&fTablep[1][k][j]);
1162 fscanf(fp7,"%f",&fTablep[2][k][j]);
1163 fscanf(fp8,"%f",&fTablep[3][k][j]);
1164 }
1165 }
1166 fclose(fp5);
1167 fclose(fp6);
1168 fclose(fp7);
1169 fclose(fp8);
1170}
1171
1172//_____________________________________________________________________________
1173Int_t AliZDCv2::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1174{
1175 // Evaluation of the ADC channel corresponding to the light yield Light
1176
1177 if(fDebug == 1){
1178 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1179 }
1180
1181 // Parameters for conversion of light yield in ADC channels
1182 Float_t fPMGain[3][5]; // PM gain
1183 Float_t fADCRes; // ADC conversion factor
1184
1185 Int_t j,i;
1186 for(i=0; i<3; i++){
1187 for(j=0; j<5; j++){
1188 fPMGain[i][j] = 100000.;
1189 }
1190 }
1191 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1192
1193 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1194
1195 return ADCch;
1196}
1197
1198
1199//_____________________________________________________________________________
1200void AliZDCv2::SDigits2Digits()
1201{
1202 Hits2Digits(gAlice->GetNtrack());
1203}
1204
1205//_____________________________________________________________________________
1206void AliZDCv2::Hits2Digits(Int_t ntracks)
1207{
1208 AliZDCDigit *newdigit;
1209 AliZDCHit *hit;
1210
1211 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1212
1213 Int_t i;
1214 for(i=0; i<4; i++){
1215 PMQZN[i] =0;
1216 PMQZP[i] =0;
1217 }
1218
1219 Int_t itrack = 0;
1220 for(itrack=0; itrack<ntracks; itrack++){
1221 gAlice->ResetHits();
1222 gAlice->TreeH()->GetEvent(itrack);
1223 for(i=0; i<fHits->GetEntries(); i++){
1224 hit = (AliZDCHit*)fHits->At(i);
1225 Int_t det = hit->GetVolume(0);
1226 Int_t quad = hit->GetVolume(1);
1227 Int_t lightQ = Int_t(hit->GetLightPMQ());
1228 Int_t lightC = Int_t(hit->GetLightPMC());
1229 if(fDebug == 1)
1230 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1231 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1232
1233 if(det == 1){ //ZN
1234 PMCZN = PMCZN + lightC;
1235 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1236 }
1237
1238 if(det == 2){ //ZP
1239 PMCZP = PMCZP + lightC;
1240 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1241 }
1242
1243 if(det == 3){ //ZEM
1244 PMZEM = PMZEM + lightC;
1245 }
1246 } // Hits loop
1247
1248 } // Tracks loop
1249
1250 if(fDebug == 1){
1251 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1252 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1253 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1254 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1255 printf("\n PMZEM = %d\n", PMZEM);
1256 }
1257
1258 // ------------------------------------ Hits2Digits
1259 // Digits for ZN
1260 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1261 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1262 fNdigits++;
1263 delete newdigit;
1264
1265 Int_t j;
1266 for(j=0; j<4; j++){
1267 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1268 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1269 fNdigits++;
1270 delete newdigit;
1271 }
1272
1273 // Digits for ZP
1274 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1275 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1276 fNdigits++;
1277 delete newdigit;
1278
1279 Int_t k;
1280 for(k=0; k<4; k++){
1281 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1282 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1283 fNdigits++;
1284 delete newdigit;
1285 }
1286
1287 // Digits for ZEM
1288 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1289 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1290 fNdigits++;
1291 delete newdigit;
1292
1293
1294 gAlice->TreeD()->Fill();
1295 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1296
1297// if(fDebug == 1){
1298// printf("\n Event Digits -----------------------------------------------------\n");
1299// fDigits->Print("");
1300// }
1301
1302}
1303//_____________________________________________________________________________
1304 void AliZDCv2::MakeBranch(Option_t *opt, char *file)
1305{
1306 //
1307 // Create a new branch in the current Root Tree
1308 //
1309
1310 AliDetector::MakeBranch(opt);
1311
1312 Char_t branchname[10];
1313 sprintf(branchname,"%s",GetName());
1314 const char *cD = strstr(opt,"D");
1315
1316 if (gAlice->TreeD() && cD) {
1317
1318 // Creation of the digits from hits
1319
1320 if(fDigits!=0) fDigits->Clear();
1321 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1322 char branchname[10];
1323 sprintf(branchname,"%s",GetName());
1324 gAlice->MakeBranchInTree(gAlice->TreeD(),
1325 branchname, &fDigits, fBufferSize, file) ;
1326 printf("* AliZDCv2::MakeBranch * Making Branch %s for digits\n\n",branchname);
1327 }
1328
1329}
1330//_____________________________________________________________________________
1331void AliZDCv2::StepManager()
1332{
1333 //
1334 // Routine called at every step in the Zero Degree Calorimeters
1335 //
1336
1337 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1338 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1339 TLorentzVector s, p;
1340 const char *knamed;
1341
1342 for (j=0;j<10;j++) hits[j]=0;
1343
1344 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1345 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1346 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1347// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1348
1349 // If particle interacts with beam pipe -> return
1350// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1351 // If option NoShower is set -> StopTrack
1352// if(fNoShower==1) {
1353// if(gMC->GetMedium() == fMedSensPI) {
1354// knamed = gMC->CurrentVolName();
1355// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1356// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1357// }
1358// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1359// gMC->StopTrack();
1360// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1361// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1362// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
4663d63d 1363// }
7cc664ae 1364// return;
4663d63d 1365// }
1366
1367 //Particle coordinates
1368 gMC->TrackPosition(s);
1369 for(j=0; j<=2; j++){
1370 x[j] = s[j];
1371 }
1372 hits[0] = x[0];
1373 hits[1] = x[1];
1374 hits[2] = x[2];
1375
1376 // Determine in which ZDC the particle is
1377 knamed = gMC->CurrentVolName();
1378 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1379 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1380 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1381
1382 // Determine in which quadrant the particle is
1383
1384 //Quadrant in ZN
1385 if(vol[0]==1){
1386 xdet[0] = x[0]-fPosZN[0];
1387 xdet[1] = x[1]-fPosZN[1];
1388 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1389 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1390 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1391 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1392 }
1393
1394 //Quadrant in ZP
1395 if(vol[0]==2){
1396 xdet[0] = x[0]-fPosZP[0];
1397 xdet[1] = x[1]-fPosZP[1];
1398 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1399 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1400 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1401 for(int i=1; i<=4; i++){
1402 if(xqZP>=(i-3) && xqZP<(i-2)){
1403 vol[1] = i;
1404 break;
1405 }
1406 }
1407 }
1408
1409 //ZEM has only 1 quadrant
1410 if(vol[0] == 3){
1411 vol[1] = 1;
1412 xdet[0] = x[0]-fPosZEM[0];
1413 xdet[1] = x[1]-fPosZEM[1];
1414 }
1415
1416 // Store impact point and kinetic energy of the ENTERING particle
1417
1418// if(Curtrack==Prim){
1419 if(gMC->IsTrackEntering()){
1420 //Particle energy
1421 gMC->TrackMomentum(p);
1422 hits[3] = p[3];
1423 // Impact point on ZDC
1424 hits[4] = xdet[0];
1425 hits[5] = xdet[1];
1426 hits[6] = 0;
1427 hits[7] = 0;
1428 hits[8] = 0;
1429 hits[9] = 0;
1430
1431// Int_t PcID = gMC->TrackPid();
1432// printf("Pc ID -> %d\n",PcID);
1433 AddHit(gAlice->CurrentTrack(), vol, hits);
1434
1435 if(fNoShower==1){
1436// fpDetected += 1;
1437 gMC->StopTrack();
1438// printf("\n # of detected p = %d\n",fpDetected);
1439 return;
1440 }
1441 }
1442// } // Curtrack IF
1443
1444 // Charged particles -> Energy loss
1445 if((destep=gMC->Edep())){
1446 if(gMC->IsTrackStop()){
1447 gMC->TrackMomentum(p);
1448 m = gMC->TrackMass();
1449 ekin = p[3]-m;
1450 hits[9] = ekin;
1451 hits[7] = 0.;
1452 hits[8] = 0.;
1453 AddHit(gAlice->CurrentTrack(), vol, hits);
1454 }
1455 else{
1456 hits[9] = destep;
1457 hits[7] = 0.;
1458 hits[8] = 0.;
1459 AddHit(gAlice->CurrentTrack(), vol, hits);
1460 }
1461// printf(" Dep. E = %f \n",hits[9]);
1462 }
1463 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1464
1465
1466 // *** Light production in fibres
1467 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1468
1469 //Select charged particles
1470 if((destep=gMC->Edep())){
1471
1472 // Particle velocity
1473 gMC->TrackMomentum(p);
1474 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1475 Float_t beta = ptot/p[3];
1476 if(beta<0.67) return;
1477 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1478 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1479 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1480 if(beta>0.95) ibeta = 3;
1481
1482 // Angle between particle trajectory and fibre axis
1483 // 1 -> Momentum directions
1484 um[0] = p[0]/ptot;
1485 um[1] = p[1]/ptot;
1486 um[2] = p[2]/ptot;
1487 gMC->Gmtod(um,ud,2);
1488 // 2 -> Angle < limit angle
1489 Double_t alfar = TMath::ACos(ud[2]);
1490 Double_t alfa = alfar*kRaddeg;
1491 if(alfa>=110.) return;
1492 ialfa = Int_t(1.+alfa/2.);
1493
1494 // Distance between particle trajectory and fibre axis
1495 gMC->TrackPosition(s);
1496 for(j=0; j<=2; j++){
1497 x[j] = s[j];
1498 }
1499 gMC->Gmtod(x,xdet,1);
1500 if(TMath::Abs(ud[0])>0.00001){
1501 Float_t dcoeff = ud[1]/ud[0];
1502 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1503 }
1504 else{
1505 be = TMath::Abs(ud[0]);
1506 }
1507
1508 if((vol[0]==1)) radius = fFibZN[1];
1509 if((vol[0]==2)) radius = fFibZP[1];
1510 ibe = Int_t(be*1000.+1);
1511
1512 //Looking into the light tables
1513 Float_t charge = gMC->TrackCharge();
1514
1515 // (1) ZN
1516 if((vol[0]==1)) {
1517 if(ibe>fNben) ibe=fNben;
1518 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1519 nphe = gRandom->Poisson(out);
1520// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1521// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1522 if(gMC->GetMedium() == fMedSensF1){
1523 hits[7] = nphe; //fLightPMQ
1524 hits[8] = 0;
1525 hits[9] = 0;
1526 AddHit(gAlice->CurrentTrack(), vol, hits);
1527 }
1528 else{
1529 hits[7] = 0;
1530 hits[8] = nphe; //fLightPMC
1531 hits[9] = 0;
1532 AddHit(gAlice->CurrentTrack(), vol, hits);
1533 }
1534 }
1535
1536 // (2) ZP
1537 if((vol[0]==2)) {
1538 if(ibe>fNbep) ibe=fNbep;
1539 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1540 nphe = gRandom->Poisson(out);
1541// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1542// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1543 if(gMC->GetMedium() == fMedSensF1){
1544 hits[7] = nphe; //fLightPMQ
1545 hits[8] = 0;
1546 hits[9] = 0;
1547 AddHit(gAlice->CurrentTrack(), vol, hits);
1548 }
1549 else{
1550 hits[7] = 0;
1551 hits[8] = nphe; //fLightPMC
1552 hits[9] = 0;
1553 AddHit(gAlice->CurrentTrack(), vol, hits);
1554 }
1555 }
1556 // (3) ZEM
1557 if((vol[0]==3)) {
1558 if(ibe>fNbep) ibe=fNbep;
1559 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1560 nphe = gRandom->Poisson(out);
1561// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1562// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1563 hits[7] = 0;
1564 hits[8] = nphe; //fLightPMC
1565 hits[9] = 0;
1566 AddHit(gAlice->CurrentTrack(), vol, hits);
1567 }
1568 }
1569 }
1570}