]> 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
Changes to add AliZDCFragment class
[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$Log$
8064008b 18Revision 1.3 2001/06/13 11:11:02 coppedis
19Minor changes
20
6d5d9c06 21Revision 1.2 2001/06/12 13:45:11 coppedis
22TDI in correct position and minor correction
23
7cc664ae 24Revision 1.1 2001/05/14 09:57:39 coppedis
25A different geometry for the ZDCs
26
4663d63d 27
28*/
29
30///////////////////////////////////////////////////////////////////////////////
31// //
32// Zero Degree Calorimeter //
33// This class contains the basic functions for the ZDC //
34// Functions specific to one particular geometry are //
35// contained in the derived classes //
36// //
37///////////////////////////////////////////////////////////////////////////////
38
39// --- Standard libraries
40#include "stdio.h"
41
42// --- ROOT system
43#include <TBRIK.h>
44#include <TNode.h>
45#include <TMath.h>
46#include <TRandom.h>
47#include <TSystem.h>
48#include <TTree.h>
49
50
51// --- AliRoot classes
52#include "AliZDCv2.h"
53#include "AliZDCHit.h"
54#include "AliZDCDigit.h"
55#include "AliRun.h"
56#include "AliDetector.h"
57#include "AliMagF.h"
58#include "AliMC.h"
59#include "AliCallf77.h"
60#include "AliConst.h"
61#include "AliPDG.h"
62#include "TLorentzVector.h"
63
64
65ClassImp(AliZDCv2)
66
67
68///////////////////////////////////////////////////////////////////////////////
69// //
70// Zero Degree Calorimeter version 2 //
71// //
72///////////////////////////////////////////////////////////////////////////////
73
74//_____________________________________________________________________________
75AliZDCv2::AliZDCv2() : AliZDC()
76{
77 //
78 // Default constructor for Zero Degree Calorimeter
79 //
80
81 fMedSensF1 = 0;
82 fMedSensF2 = 0;
83 fMedSensZN = 0;
84 fMedSensZP = 0;
85 fMedSensZEM = 0;
86 fMedSensGR = 0;
87// fMedSensPI = 0;
88// fMedSensTDI = 0;
89}
90
91//_____________________________________________________________________________
92AliZDCv2::AliZDCv2(const char *name, const char *title)
93 : AliZDC(name,title)
94{
95 //
96 // Standard constructor for Zero Degree Calorimeter
97 //
98 //
99 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
100
101 AliModule* PIPE=gAlice->GetModule("PIPE");
102 AliModule* ABSO=gAlice->GetModule("ABSO");
103 AliModule* DIPO=gAlice->GetModule("DIPO");
104 AliModule* SHIL=gAlice->GetModule("SHIL");
105 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
106 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
107 exit(1);
108 }
109
110 fMedSensF1 = 0;
111 fMedSensF2 = 0;
112 fMedSensZN = 0;
113 fMedSensZP = 0;
114 fMedSensZEM = 0;
115 fMedSensGR = 0;
116// fMedSensPI = 0;
117// fMedSensTDI = 0;
118
119
120 // Parameters for light tables
121 fNalfan = 90; // Number of Alfa (neutrons)
122 fNalfap = 90; // Number of Alfa (protons)
123 fNben = 18; // Number of beta (neutrons)
124 fNbep = 28; // Number of beta (protons)
125 Int_t ip,jp,kp;
126 for(ip=0; ip<4; ip++){
127 for(kp=0; kp<fNalfap; kp++){
128 for(jp=0; jp<fNbep; jp++){
129 fTablep[ip][kp][jp] = 0;
130 }
131 }
132 }
133 Int_t in,jn,kn;
134 for(in=0; in<4; in++){
135 for(kn=0; kn<fNalfan; kn++){
136 for(jn=0; jn<fNben; jn++){
137 fTablen[in][kn][jn] = 0;
138 }
139 }
140 }
141
142 // Parameters for hadronic calorimeters geometry
143 fDimZP[0] = 11.2;
144 fDimZP[1] = 6.;
145 fDimZP[2] = 75.;
146 fPosZN[0] = 0.;
147 fPosZN[1] = -1.2;
148 fPosZN[2] = 11650.;
149 fPosZP[0] = -24.;
150 fPosZP[1] = 0.;
151 fPosZP[2] = 11600.;
152 fFibZN[0] = 0.;
153 fFibZN[1] = 0.01825;
154 fFibZN[2] = 50.;
155 fFibZP[0] = 0.;
156 fFibZP[1] = 0.0275;
157 fFibZP[2] = 75.;
158
159 // Parameters for EM calorimeter geometry
160 fPosZEM[0] = 8.5;
161 fPosZEM[1] = 0.;
162 fPosZEM[2] = -1000.;
163
164
165 fDigits = new TClonesArray("AliZDCDigit",1000);
166}
167
168//_____________________________________________________________________________
169void AliZDCv2::CreateGeometry()
170{
171 //
172 // Create the geometry for the Zero Degree Calorimeter version 1
173 //* Initialize COMMON block ZDC_CGEOM
174 //*
175
176 CreateBeamLine();
177 CreateZDC();
178}
179
180//_____________________________________________________________________________
181void AliZDCv2::CreateBeamLine()
182{
183
184 Float_t zq, zd1, zd2;
185 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
186 Int_t im1, im2;
187
188 Int_t *idtmed = fIdtmed->GetArray();
189
190 // -- Mother of the ZDCs (Vacuum PCON)
191
192 conpar[0] = 0.;
193 conpar[1] = 360.;
194 conpar[2] = 2.;
195 conpar[3] = -1100.;
196 conpar[4] = 0.;
197 conpar[5] = 155.;
198 conpar[6] = 13060.;
199 conpar[7] = 0.;
200 conpar[8] = 155.;
201 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
202 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
203
204 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
205 // the beginning of D1)
206
207 zd1 = 2000.;
208
209 tubpar[0] = 6.3/2.;
210 tubpar[1] = 6.7/2.;
211 tubpar[2] = 3838.3/2.;
212 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
213 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
214
215 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
216 // beginning of D2)
217
218 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
219 //-- Cylindrical pipe (r = 3.47) + conical flare
220
221 // -> Beginning of D1
222 zd1 += 2.*tubpar[2];
223
224 tubpar[0] = 3.47;
225 tubpar[1] = 3.47+0.2;
226 tubpar[2] = 958.5/2.;
227 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
228 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
229
230 zd1 += 2.*tubpar[2];
231
232 conpar[0] = 25./2.;
233 conpar[1] = 6.44/2.;
234 conpar[2] = 6.84/2.;
235 conpar[3] = 10./2.;
236 conpar[4] = 10.4/2.;
237 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
238 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
239
240 zd1 += 2.*conpar[0];
241
242 tubpar[0] = 10./2.;
243 tubpar[1] = 10.4/2.;
244 tubpar[2] = 50./2.;
245 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
246 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
247
248 zd1 += tubpar[2]*2.;
249
250 tubpar[0] = 10./2.;
251 tubpar[1] = 10.4/2.;
252 tubpar[2] = 10./2.;
253 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
254 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
255
256 zd1 += tubpar[2] * 2.;
257
258 tubpar[0] = 10./2.;
259 tubpar[1] = 10.4/2.;
260 tubpar[2] = 3.16/2.;
261 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
262 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
263
264 zd1 += tubpar[2] * 2.;
265
266 tubpar[0] = 10.0/2.;
267 tubpar[1] = 10.4/2;
268 tubpar[2] = 190./2.;
269 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
270 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
271
272 zd1 += tubpar[2] * 2.;
273
274 conpar[0] = 30./2.;
275 conpar[1] = 10./2.;
276 conpar[2] = 10.4/2.;
277 conpar[3] = 20.6/2.;
278 conpar[4] = 21./2.;
279 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
280 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
281
282 zd1 += conpar[0] * 2.;
283
284 tubpar[0] = 20.6/2.;
285 tubpar[1] = 21./2.;
286 tubpar[2] = 450./2.;
287 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
288 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
289
290 zd1 += tubpar[2] * 2.;
291
292 conpar[0] = 13.6/2.;
293 conpar[1] = 20.6/2.;
294 conpar[2] = 21./2.;
295 conpar[3] = 25.4/2.;
296 conpar[4] = 25.8/2.;
297 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
298 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
299
300 zd1 += conpar[0] * 2.;
301
302 tubpar[0] = 25.4/2.;
303 tubpar[1] = 25.8/2.;
304 tubpar[2] = 205.8/2.;
305 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
306 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
307
308 zd1 += tubpar[2] * 2.;
309
310 tubpar[0] = 50./2.;
311 tubpar[1] = 50.4/2.;
312 // QT09 is 10 cm longer to accomodate TDI
313 tubpar[2] = 515.4/2.;
314 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
315 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
316
317 // --- Insert TDI (inside ZDC volume)
318
319 boxpar[0] = 5.6;
320 boxpar[1] = 5.6;
321 boxpar[2] = 400./2.;
322 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
323 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
324 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
325
326 boxpar[0] = 0.2/2.;
327 boxpar[1] = 5.6;
328 boxpar[2] = 400./2.;
329 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
330 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
331
6d5d9c06 332// tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
333// tubspar[1] = 6.4;
334// tubspar[2] = 400./2.;
335// tubspar[3] = 180.-62.5;
336// tubspar[4] = 180.+62.5;
337 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
338 tubspar[1] = 10.7;
4663d63d 339 tubspar[2] = 400./2.;
6d5d9c06 340 tubspar[3] = 180.-75.5;
341 tubspar[4] = 180.+75.5;
4663d63d 342 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
343 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
344
345 zd1 += tubpar[2] * 2.;
346
347 tubpar[0] = 50./2.;
348 tubpar[1] = 50.4/2.;
349 // QT10 is 10 cm shorter
350 tubpar[2] = 690./2.;
351 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
352 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
353
354 zd1 += tubpar[2] * 2.;
355
356 tubpar[0] = 50./2.;
357 tubpar[1] = 50.4/2.;
358 tubpar[2] = 778.5/2.;
359 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
360 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
361
362 zd1 += tubpar[2] * 2.;
363
364 conpar[0] = 14.18/2.;
365 conpar[1] = 50./2.;
366 conpar[2] = 50.4/2.;
367 conpar[3] = 55./2.;
368 conpar[4] = 55.4/2.;
369 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
370 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
371
372 zd1 += conpar[0] * 2.;
373
374 tubpar[0] = 55./2.;
375 tubpar[1] = 55.4/2.;
376 tubpar[2] = 730./2.;
377 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
378 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
379
380 zd1 += tubpar[2] * 2.;
381
382 conpar[0] = 36.86/2.;
383 conpar[1] = 55./2.;
384 conpar[2] = 55.4/2.;
385 conpar[3] = 68./2.;
386 conpar[4] = 68.4/2.;
387 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
388 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
389
390 zd1 += conpar[0] * 2.;
391
392 tubpar[0] = 68./2.;
393 tubpar[1] = 68.4/2.;
394 tubpar[2] = 927.3/2.;
395 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
396 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
397
398 zd1 += tubpar[2] * 2.;
399
400 tubpar[0] = 0./2.;
401 tubpar[1] = 68.4/2.;
402 tubpar[2] = 0.2/2.;
403 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
404 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
405
406 zd1 += tubpar[2] * 2.;
407
408 tubpar[0] = 0./2.;
409 tubpar[1] = 6.4/2.;
410 tubpar[2] = 0.2/2.;
411 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
412
413 //-- Position QT15 inside QT14
414 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
415
416 tubpar[0] = 0./2.;
417 tubpar[1] = 6.4/2.;
418 tubpar[2] = 0.2/2.;
419 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
420
421 //-- Position QT16 inside QT14
422 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
423
424
425 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
426
427 tubpar[0] = 6.4/2.;
428 tubpar[1] = 6.8/2.;
429 tubpar[2] = 680.8/2.;
430 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
431
432 tubpar[0] = 6.4/2.;
433 tubpar[1] = 6.8/2.;
434 tubpar[2] = 680.8/2.;
435 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
436
437 // -- ROTATE PIPES
438
439 Float_t angle = 0.143*kDegrad;
440
441 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
442 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
443 0., tubpar[2] + zd1, im1, "ONLY");
444
445 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
446 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
447 0., tubpar[2] + zd1, im2, "ONLY");
448
449 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
450
451 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
452 tubpar[0] = 8.0/2.;
453 tubpar[1] = 8.2/2.;
7cc664ae 454 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
4663d63d 455 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
456 gMC->Gspos("QT19", 1, "ZDC ", 0., 0., zb - tubpar[2], 0, "ONLY");
457
458
459 // -- END OF BEAM PIPE VOLUME DEFINITION.
460 // ----------------------------------------------------------------
461
462 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
463
464 // ----------------------------------------------------------------
465 // Replaced by the muon dipole
466 // ----------------------------------------------------------------
467 // -- COMPENSATOR DIPOLE (MBXW)
468 // GAP (VACUUM WITH MAGNETIC FIELD)
469
470// tubpar[0] = 0.;
471// tubpar[1] = 4.5;
472// tubpar[2] = 340./2.;
473// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
474// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
475
476 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
477
478// tubpar[0] = 4.5;
479// tubpar[1] = 55.;
480// tubpar[2] = 340./2.;
481// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
482// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
483
484 // ----------------------------------------------------------------
485 // Replaced by the second dipole
486 // ----------------------------------------------------------------
487 // -- COMPENSATOR DIPOLE (MCBWA)
488 // GAP (VACUUM WITH MAGNETIC FIELD)
489
490// tubpar[0] = 0.;
491// tubpar[1] = 4.5;
492// tubpar[2] = 170./2.;
493// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
494// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
495
496 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
497
498// tubpar[0] = 4.5;
499// tubpar[1] = 55.;
500// tubpar[2] = 170./2.;
501// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
502// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
503
504 // -- INNER TRIPLET
505
506 zq = 2296.5;
507
508 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
509
510 // MQXL
511 // -- GAP (VACUUM WITH MAGNETIC FIELD)
512
513 tubpar[0] = 0.;
514 tubpar[1] = 3.5;
515 tubpar[2] = 637./2.;
516 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
517
518 // -- YOKE
519
520 tubpar[0] = 3.5;
521 tubpar[1] = 22.;
522 tubpar[2] = 637./2.;
523 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
524
525 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
526 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
527
528 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
529 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
530
531 // -- MQX
532 // -- GAP (VACUUM WITH MAGNETIC FIELD)
533
534 tubpar[0] = 0.;
535 tubpar[1] = 3.5;
536 tubpar[2] = 550./2.;
537 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
538
539 // -- YOKE
540
541 tubpar[0] = 3.5;
542 tubpar[1] = 22.;
543 tubpar[2] = 550./2.;
544 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
545
546 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
547 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
548
549 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
550 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
551
552 // -- SEPARATOR DIPOLE D1
553
554 zd1 = 5838.3;
555
556 // -- GAP (VACUUM WITH MAGNETIC FIELD)
557
558 tubpar[0] = 0.;
559 tubpar[1] = 6.94/2.;
560 tubpar[2] = 945./2.;
561 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
562
563 // -- Insert horizontal Cu plates inside D1
564 // -- (to simulate the vacuum chamber)
565
566 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
567 boxpar[1] = 0.2/2.;
568 boxpar[2] =945./2.;
569 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
570 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
571 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
572
573 // -- YOKE
574
575 tubpar[0] = 0.;
576 tubpar[1] = 110./2;
577 tubpar[2] = 945./2.;
578 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
579
580 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
581 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
582
583 // -- DIPOLE D2
584
585 zd2 = 12147.6;
586
587 // -- GAP (VACUUM WITH MAGNETIC FIELD)
588
589 tubpar[0] = 0.;
590 tubpar[1] = 7.5/2.;
591 tubpar[2] = 945./2.;
592 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
593
594 // -- YOKE
595
596 tubpar[0] = 0.;
597 tubpar[1] = 55.;
598 tubpar[2] = 945./2.;
599 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
600
601 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
602
603 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
604 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
605
606 // -- END OF MAGNET DEFINITION
607}
608
609//_____________________________________________________________________________
610void AliZDCv2::CreateZDC()
611{
612
613 Float_t DimPb[6], DimVoid[6];
614
615 Int_t *idtmed = fIdtmed->GetArray();
616
617 // Parameters for hadronic calorimeters geometry
618 // NB -> parameters used ONLY in CreateZDC()
619 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
620 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
621 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
622 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
623 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
624 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
625 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
626
627 // Parameters for EM calorimeter geometry
628 // NB -> parameters used ONLY in CreateZDC()
629 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
630 Float_t fDimZEMAir = 0.001; // scotch
631 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
632 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
633 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
634 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
635 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
636 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
637
638
639 //-- Create calorimeters geometry
640
641 // -------------------------------------------------------------------------------
642 //--> Neutron calorimeter (ZN)
643
644 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
645 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
646 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
647 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
648 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
649 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
650 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
651 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
652 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
653
654 // Divide ZNEU in towers (for hits purposes)
655
656 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
657 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
658
659 //-- Divide ZN1 in minitowers
660 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
661 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
662 // (4 fibres per minitower)
663
664 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
665 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
666
667 // --- Position the empty grooves in the sticks (4 grooves per stick)
668 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
669 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
670
671 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
672 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
673 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
674 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
675
676 // --- Position the fibers in the grooves
677 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
678 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
679 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
680 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
681
682 // --- Position the neutron calorimeter in ZDC
683 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
684
685
686 // -------------------------------------------------------------------------------
687 //--> Proton calorimeter (ZP)
688
689 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
690 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
691 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
692 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
693 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
694 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
695 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
696 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
697 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
698
699 //-- Divide ZPRO in towers(for hits purposes)
700
701 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
702 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
703
704
705 //-- Divide ZP1 in minitowers
706 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
707 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
708 // (4 fiber per minitower)
709
710 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
711 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
712
713 // --- Position the empty grooves in the sticks (4 grooves per stick)
714 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
715 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
716
717 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
718 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
719 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
720 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
721
722 // --- Position the fibers in the grooves
723 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
724 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
725 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
726 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
727
728
729 // --- Position the proton calorimeter in ZDC
730 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
731
732
733 // -------------------------------------------------------------------------------
734 // -> EM calorimeter (ZEM)
735
736 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
737
738 Int_t irot1, irot2;
739
740 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
741 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
742// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
743
744 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
745
746 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
747
748 DimPb[0] = fDimZEMPb; // Lead slices
749 DimPb[1] = fDimZEM[2];
750 DimPb[2] = fDimZEM[1];
751 DimPb[3] = 90.-fDimZEM[3];
752 DimPb[4] = 0.;
753 DimPb[5] = 0.;
754 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
755 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
756// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
757
758 // --- Position the lead slices in the tranche
759 Float_t zTran = fDimZEM[0]/fDivZEM[2];
760 Float_t zTrPb = -zTran+fDimZEMPb;
761 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
762 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
763
764 // --- Vacuum zone (to be filled with fibres)
765 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
766 DimVoid[1] = fDimZEM[2];
767 DimVoid[2] = fDimZEM[1];
768 DimVoid[3] = 90.-fDimZEM[3];
769 DimVoid[4] = 0.;
770 DimVoid[5] = 0.;
771 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
772 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
773
774 // --- Divide the vacuum slice into sticks along x axis
775 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
776 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
777
778 // --- Positioning the fibers into the sticks
779 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
780 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
781
782 // --- Positioning the vacuum slice into the tranche
783 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
784 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
785 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
786
787 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
788 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
789
790 // --- Adding last slice at the end of the EM calorimeter
791// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
792// gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
793
794}
795
796//_____________________________________________________________________________
797void AliZDCv2::DrawModule()
798{
799 //
800 // Draw a shaded view of the Zero Degree Calorimeter version 1
801 //
802
803 // Set everything unseen
804 gMC->Gsatt("*", "seen", -1);
805 //
806 // Set ALIC mother transparent
807 gMC->Gsatt("ALIC","SEEN",0);
808 //
809 // Set the volumes visible
810 gMC->Gsatt("ZDC ","SEEN",0);
811 gMC->Gsatt("QT01","SEEN",1);
812 gMC->Gsatt("QT02","SEEN",1);
813 gMC->Gsatt("QT03","SEEN",1);
814 gMC->Gsatt("QT04","SEEN",1);
815 gMC->Gsatt("QT05","SEEN",1);
816 gMC->Gsatt("QT06","SEEN",1);
817 gMC->Gsatt("QT07","SEEN",1);
818 gMC->Gsatt("QT08","SEEN",1);
819 gMC->Gsatt("QT09","SEEN",1);
820 gMC->Gsatt("QT10","SEEN",1);
821 gMC->Gsatt("QT11","SEEN",1);
822 gMC->Gsatt("QT12","SEEN",1);
823 gMC->Gsatt("QT13","SEEN",1);
824 gMC->Gsatt("QT14","SEEN",1);
825 gMC->Gsatt("QT15","SEEN",1);
826 gMC->Gsatt("QT16","SEEN",1);
827 gMC->Gsatt("QT17","SEEN",1);
828 gMC->Gsatt("QT18","SEEN",1);
829 gMC->Gsatt("QC01","SEEN",1);
830 gMC->Gsatt("QC02","SEEN",1);
831 gMC->Gsatt("QC03","SEEN",1);
832 gMC->Gsatt("QC04","SEEN",1);
833 gMC->Gsatt("QC05","SEEN",1);
834 gMC->Gsatt("QTD1","SEEN",1);
835 gMC->Gsatt("QTD2","SEEN",1);
836 gMC->Gsatt("QTD3","SEEN",1);
837 gMC->Gsatt("MQXL","SEEN",1);
838 gMC->Gsatt("YMQL","SEEN",1);
839 gMC->Gsatt("MQX ","SEEN",1);
840 gMC->Gsatt("YMQ ","SEEN",1);
841 gMC->Gsatt("ZQYX","SEEN",1);
842 gMC->Gsatt("MD1 ","SEEN",1);
843 gMC->Gsatt("MD1V","SEEN",1);
844 gMC->Gsatt("YD1 ","SEEN",1);
845 gMC->Gsatt("MD2 ","SEEN",1);
846 gMC->Gsatt("YD2 ","SEEN",1);
847 gMC->Gsatt("ZNEU","SEEN",0);
848 gMC->Gsatt("ZNF1","SEEN",0);
849 gMC->Gsatt("ZNF2","SEEN",0);
850 gMC->Gsatt("ZNF3","SEEN",0);
851 gMC->Gsatt("ZNF4","SEEN",0);
852 gMC->Gsatt("ZNG1","SEEN",0);
853 gMC->Gsatt("ZNG2","SEEN",0);
854 gMC->Gsatt("ZNG3","SEEN",0);
855 gMC->Gsatt("ZNG4","SEEN",0);
856 gMC->Gsatt("ZNTX","SEEN",0);
857 gMC->Gsatt("ZN1 ","COLO",4);
858 gMC->Gsatt("ZN1 ","SEEN",1);
859 gMC->Gsatt("ZNSL","SEEN",0);
860 gMC->Gsatt("ZNST","SEEN",0);
861 gMC->Gsatt("ZPRO","SEEN",0);
862 gMC->Gsatt("ZPF1","SEEN",0);
863 gMC->Gsatt("ZPF2","SEEN",0);
864 gMC->Gsatt("ZPF3","SEEN",0);
865 gMC->Gsatt("ZPF4","SEEN",0);
866 gMC->Gsatt("ZPG1","SEEN",0);
867 gMC->Gsatt("ZPG2","SEEN",0);
868 gMC->Gsatt("ZPG3","SEEN",0);
869 gMC->Gsatt("ZPG4","SEEN",0);
870 gMC->Gsatt("ZPTX","SEEN",0);
871 gMC->Gsatt("ZP1 ","COLO",6);
872 gMC->Gsatt("ZP1 ","SEEN",1);
873 gMC->Gsatt("ZPSL","SEEN",0);
874 gMC->Gsatt("ZPST","SEEN",0);
875 gMC->Gsatt("ZEM ","COLO",7);
876 gMC->Gsatt("ZEM ","SEEN",1);
877 gMC->Gsatt("ZEMF","SEEN",0);
878 gMC->Gsatt("ZETR","SEEN",0);
879 gMC->Gsatt("ZEL0","SEEN",0);
880 gMC->Gsatt("ZEL1","SEEN",0);
881 gMC->Gsatt("ZEL2","SEEN",0);
882 gMC->Gsatt("ZEV0","SEEN",0);
883 gMC->Gsatt("ZEV1","SEEN",0);
884 gMC->Gsatt("ZES0","SEEN",0);
885 gMC->Gsatt("ZES1","SEEN",0);
886
887 //
888 gMC->Gdopt("hide", "on");
889 gMC->Gdopt("shad", "on");
890 gMC->Gsatt("*", "fill", 7);
891 gMC->SetClipBox(".");
892 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
893 gMC->DefaultRange();
894 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
895 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
896 gMC->Gdman(18, 4, "MAN");
897}
898
899//_____________________________________________________________________________
900void AliZDCv2::CreateMaterials()
901{
902 //
903 // Create Materials for the Zero Degree Calorimeter
904 //
905
906 Int_t *idtmed = fIdtmed->GetArray();
907
908 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
909 Int_t i;
910
911 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
912
913 // --- Tantalum -> ZN passive material
914 ubuf[0] = 1.1;
915 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
916
917 // --- Tungsten
918// ubuf[0] = 1.11;
919// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
920
921 // --- Brass (CuZn) -> ZP passive material
922 dens = 8.48;
923 a[0] = 63.546;
924 a[1] = 65.39;
925 z[0] = 29.;
926 z[1] = 30.;
927 wmat[0] = .63;
928 wmat[1] = .37;
929 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
930
931 // --- SiO2
932 dens = 2.64;
933 a[0] = 28.086;
934 a[1] = 15.9994;
935 z[0] = 14.;
936 z[1] = 8.;
937 wmat[0] = 1.;
938 wmat[1] = 2.;
939 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
940
941 // --- Lead
942 ubuf[0] = 1.12;
943 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
944
945 // --- Copper
946 ubuf[0] = 1.10;
947 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
948
949 // --- Iron (energy loss taken into account)
950 ubuf[0] = 1.1;
951 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
952
953 // --- Iron (no energy loss)
954 ubuf[0] = 1.1;
955 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
956
957 // --- Vacuum (no magnetic field)
958 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
959
960 // --- Vacuum (with magnetic field)
961 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
962
963 // --- Air (no magnetic field)
964 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
965
966 // --- Definition of tracking media:
967
968 // --- Tantalum = 1 ;
969 // --- Brass = 2 ;
970 // --- Fibers (SiO2) = 3 ;
971 // --- Fibers (SiO2) = 4 ;
972 // --- Lead = 5 ;
973 // --- Copper = 6 ;
974 // --- Iron (with energy loss) = 7 ;
975 // --- Iron (without energy loss) = 8 ;
976 // --- Vacuum (no field) = 10
977 // --- Vacuum (with field) = 11
978 // --- Air (no field) = 12
979
980
981 // --- Tracking media parameters
982 Float_t epsil = .01, stmin=0.01, stemax = 1.;
7cc664ae 983// Int_t isxfld = gAlice->Field()->Integ();
4663d63d 984 Float_t fieldm = 0., tmaxfd = 0.;
985 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
986
987 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
988// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
989 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
990 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
991 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
992 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
993// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
994// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
995 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
996 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
997 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
998 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
999 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1000
1001 ifield =2;
1002 fieldm = 45.;
7cc664ae 1003 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
4663d63d 1004
1005 // Thresholds for showering in the ZDCs
1006 i = 1; //tantalum
1007 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1008 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1009 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1010 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1011 i = 2; //brass
1012 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1013 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1014 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1015 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1016 i = 5; //lead
1017 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1018 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1019 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1020 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1021
1022 // Avoid too detailed showering in TDI
1023 i = 6; //copper
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 too detailed showering along the beam line
1030 i = 7; //iron with energy loss (ZIRON)
1031 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1032 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1033 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1034 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1035
1036 // Avoid too detailed showering along the beam line
1037 i = 8; //iron with energy loss (ZIRONN)
1038 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1039 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1040 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1041 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1042
1043 // Avoid interaction in fibers (only energy loss allowed)
1044 i = 3; //fibers (ZSI02)
1045 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1046 gMC->Gstpar(idtmed[i], "MULS", 0.);
1047 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1048 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1049 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1050 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1051 gMC->Gstpar(idtmed[i], "COMP", 0.);
1052 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1053 gMC->Gstpar(idtmed[i], "BREM", 0.);
1054 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1055 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1056 gMC->Gstpar(idtmed[i], "HADR", 0.);
1057 i = 4; //fibers (ZQUAR)
1058 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1059 gMC->Gstpar(idtmed[i], "MULS", 0.);
1060 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1061 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1062 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1063 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1064 gMC->Gstpar(idtmed[i], "COMP", 0.);
1065 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1066 gMC->Gstpar(idtmed[i], "BREM", 0.);
1067 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1068 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1069 gMC->Gstpar(idtmed[i], "HADR", 0.);
1070
1071 // Avoid interaction in void
1072 i = 11; //void with field
1073 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1074 gMC->Gstpar(idtmed[i], "MULS", 0.);
1075 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1076 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1077 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1078 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1079 gMC->Gstpar(idtmed[i], "COMP", 0.);
1080 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1081 gMC->Gstpar(idtmed[i], "BREM", 0.);
1082 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1083 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1084 gMC->Gstpar(idtmed[i], "HADR", 0.);
1085
1086 //
1087 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1088 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1089 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1090 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1091 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1092// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1093// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1094 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1095}
1096
1097//_____________________________________________________________________________
1098void AliZDCv2::Init()
1099{
1100 InitTables();
1101}
1102
1103//_____________________________________________________________________________
1104void AliZDCv2::InitTables()
1105{
1106 Int_t k, j;
1107
1108 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1109 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1110 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1111
1112 // --- Reading light tables for ZN
1113 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1114 if((fp1 = fopen(lightfName1,"r")) == NULL){
1115 printf("Cannot open file fp1 \n");
1116 return;
1117 }
1118 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1119 if((fp2 = fopen(lightfName2,"r")) == NULL){
1120 printf("Cannot open file fp2 \n");
1121 return;
1122 }
1123 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1124 if((fp3 = fopen(lightfName3,"r")) == NULL){
1125 printf("Cannot open file fp3 \n");
1126 return;
1127 }
1128 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1129 if((fp4 = fopen(lightfName4,"r")) == NULL){
1130 printf("Cannot open file fp4 \n");
1131 return;
1132 }
1133
1134 for(k=0; k<fNalfan; k++){
1135 for(j=0; j<fNben; j++){
1136 fscanf(fp1,"%f",&fTablen[0][k][j]);
1137 fscanf(fp2,"%f",&fTablen[1][k][j]);
1138 fscanf(fp3,"%f",&fTablen[2][k][j]);
1139 fscanf(fp4,"%f",&fTablen[3][k][j]);
1140 }
1141 }
1142 fclose(fp1);
1143 fclose(fp2);
1144 fclose(fp3);
1145 fclose(fp4);
1146
1147 // --- Reading light tables for ZP and ZEM
1148 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1149 if((fp5 = fopen(lightfName5,"r")) == NULL){
1150 printf("Cannot open file fp5 \n");
1151 return;
1152 }
1153 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1154 if((fp6 = fopen(lightfName6,"r")) == NULL){
1155 printf("Cannot open file fp6 \n");
1156 return;
1157 }
1158 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1159 if((fp7 = fopen(lightfName7,"r")) == NULL){
1160 printf("Cannot open file fp7 \n");
1161 return;
1162 }
1163 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1164 if((fp8 = fopen(lightfName8,"r")) == NULL){
1165 printf("Cannot open file fp8 \n");
1166 return;
1167 }
1168
1169 for(k=0; k<fNalfap; k++){
1170 for(j=0; j<fNbep; j++){
1171 fscanf(fp5,"%f",&fTablep[0][k][j]);
1172 fscanf(fp6,"%f",&fTablep[1][k][j]);
1173 fscanf(fp7,"%f",&fTablep[2][k][j]);
1174 fscanf(fp8,"%f",&fTablep[3][k][j]);
1175 }
1176 }
1177 fclose(fp5);
1178 fclose(fp6);
1179 fclose(fp7);
1180 fclose(fp8);
1181}
1182
1183//_____________________________________________________________________________
1184Int_t AliZDCv2::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1185{
1186 // Evaluation of the ADC channel corresponding to the light yield Light
1187
1188 if(fDebug == 1){
1189 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1190 }
1191
1192 // Parameters for conversion of light yield in ADC channels
1193 Float_t fPMGain[3][5]; // PM gain
1194 Float_t fADCRes; // ADC conversion factor
1195
1196 Int_t j,i;
1197 for(i=0; i<3; i++){
1198 for(j=0; j<5; j++){
1199 fPMGain[i][j] = 100000.;
1200 }
1201 }
1202 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1203
1204 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1205
1206 return ADCch;
1207}
1208
1209
1210//_____________________________________________________________________________
1211void AliZDCv2::SDigits2Digits()
1212{
1213 Hits2Digits(gAlice->GetNtrack());
1214}
1215
1216//_____________________________________________________________________________
1217void AliZDCv2::Hits2Digits(Int_t ntracks)
1218{
1219 AliZDCDigit *newdigit;
1220 AliZDCHit *hit;
1221
1222 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1223
1224 Int_t i;
1225 for(i=0; i<4; i++){
1226 PMQZN[i] =0;
1227 PMQZP[i] =0;
1228 }
1229
1230 Int_t itrack = 0;
1231 for(itrack=0; itrack<ntracks; itrack++){
1232 gAlice->ResetHits();
1233 gAlice->TreeH()->GetEvent(itrack);
1234 for(i=0; i<fHits->GetEntries(); i++){
1235 hit = (AliZDCHit*)fHits->At(i);
1236 Int_t det = hit->GetVolume(0);
1237 Int_t quad = hit->GetVolume(1);
1238 Int_t lightQ = Int_t(hit->GetLightPMQ());
1239 Int_t lightC = Int_t(hit->GetLightPMC());
1240 if(fDebug == 1)
1241 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1242 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1243
1244 if(det == 1){ //ZN
1245 PMCZN = PMCZN + lightC;
1246 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1247 }
1248
1249 if(det == 2){ //ZP
1250 PMCZP = PMCZP + lightC;
1251 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1252 }
1253
1254 if(det == 3){ //ZEM
1255 PMZEM = PMZEM + lightC;
1256 }
1257 } // Hits loop
1258
1259 } // Tracks loop
1260
1261 if(fDebug == 1){
1262 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1263 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1264 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1265 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1266 printf("\n PMZEM = %d\n", PMZEM);
1267 }
1268
1269 // ------------------------------------ Hits2Digits
1270 // Digits for ZN
1271 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1272 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1273 fNdigits++;
1274 delete newdigit;
1275
1276 Int_t j;
1277 for(j=0; j<4; j++){
1278 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1279 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1280 fNdigits++;
1281 delete newdigit;
1282 }
1283
1284 // Digits for ZP
1285 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1286 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1287 fNdigits++;
1288 delete newdigit;
1289
1290 Int_t k;
1291 for(k=0; k<4; k++){
1292 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1293 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1294 fNdigits++;
1295 delete newdigit;
1296 }
1297
1298 // Digits for ZEM
1299 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1300 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1301 fNdigits++;
1302 delete newdigit;
1303
1304
1305 gAlice->TreeD()->Fill();
1306 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1307
1308// if(fDebug == 1){
1309// printf("\n Event Digits -----------------------------------------------------\n");
1310// fDigits->Print("");
1311// }
1312
1313}
1314//_____________________________________________________________________________
8064008b 1315 void AliZDCv2::MakeBranch(Option_t *opt, const char *file)
4663d63d 1316{
1317 //
1318 // Create a new branch in the current Root Tree
1319 //
1320
1321 AliDetector::MakeBranch(opt);
1322
1323 Char_t branchname[10];
1324 sprintf(branchname,"%s",GetName());
1325 const char *cD = strstr(opt,"D");
1326
1327 if (gAlice->TreeD() && cD) {
1328
1329 // Creation of the digits from hits
1330
1331 if(fDigits!=0) fDigits->Clear();
1332 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1333 char branchname[10];
1334 sprintf(branchname,"%s",GetName());
8064008b 1335 MakeBranchInTree(gAlice->TreeD(),
1336 branchname, &fDigits, fBufferSize, file) ;
4663d63d 1337 printf("* AliZDCv2::MakeBranch * Making Branch %s for digits\n\n",branchname);
1338 }
1339
1340}
1341//_____________________________________________________________________________
1342void AliZDCv2::StepManager()
1343{
1344 //
1345 // Routine called at every step in the Zero Degree Calorimeters
1346 //
1347
1348 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1349 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1350 TLorentzVector s, p;
1351 const char *knamed;
1352
1353 for (j=0;j<10;j++) hits[j]=0;
1354
1355 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1356 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1357 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1358// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1359
1360 // If particle interacts with beam pipe -> return
1361// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1362 // If option NoShower is set -> StopTrack
1363// if(fNoShower==1) {
1364// if(gMC->GetMedium() == fMedSensPI) {
1365// knamed = gMC->CurrentVolName();
1366// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1367// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1368// }
1369// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1370// gMC->StopTrack();
1371// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1372// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1373// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
4663d63d 1374// }
7cc664ae 1375// return;
4663d63d 1376// }
1377
1378 //Particle coordinates
1379 gMC->TrackPosition(s);
1380 for(j=0; j<=2; j++){
1381 x[j] = s[j];
1382 }
1383 hits[0] = x[0];
1384 hits[1] = x[1];
1385 hits[2] = x[2];
1386
1387 // Determine in which ZDC the particle is
1388 knamed = gMC->CurrentVolName();
1389 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1390 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1391 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1392
1393 // Determine in which quadrant the particle is
1394
1395 //Quadrant in ZN
1396 if(vol[0]==1){
1397 xdet[0] = x[0]-fPosZN[0];
1398 xdet[1] = x[1]-fPosZN[1];
1399 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1400 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1401 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1402 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1403 }
1404
1405 //Quadrant in ZP
1406 if(vol[0]==2){
1407 xdet[0] = x[0]-fPosZP[0];
1408 xdet[1] = x[1]-fPosZP[1];
1409 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1410 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1411 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1412 for(int i=1; i<=4; i++){
1413 if(xqZP>=(i-3) && xqZP<(i-2)){
1414 vol[1] = i;
1415 break;
1416 }
1417 }
1418 }
1419
1420 //ZEM has only 1 quadrant
1421 if(vol[0] == 3){
1422 vol[1] = 1;
1423 xdet[0] = x[0]-fPosZEM[0];
1424 xdet[1] = x[1]-fPosZEM[1];
1425 }
1426
1427 // Store impact point and kinetic energy of the ENTERING particle
1428
1429// if(Curtrack==Prim){
1430 if(gMC->IsTrackEntering()){
1431 //Particle energy
1432 gMC->TrackMomentum(p);
1433 hits[3] = p[3];
1434 // Impact point on ZDC
1435 hits[4] = xdet[0];
1436 hits[5] = xdet[1];
1437 hits[6] = 0;
1438 hits[7] = 0;
1439 hits[8] = 0;
1440 hits[9] = 0;
1441
1442// Int_t PcID = gMC->TrackPid();
1443// printf("Pc ID -> %d\n",PcID);
1444 AddHit(gAlice->CurrentTrack(), vol, hits);
1445
1446 if(fNoShower==1){
1447// fpDetected += 1;
1448 gMC->StopTrack();
1449// printf("\n # of detected p = %d\n",fpDetected);
1450 return;
1451 }
1452 }
1453// } // Curtrack IF
1454
1455 // Charged particles -> Energy loss
1456 if((destep=gMC->Edep())){
1457 if(gMC->IsTrackStop()){
1458 gMC->TrackMomentum(p);
1459 m = gMC->TrackMass();
1460 ekin = p[3]-m;
1461 hits[9] = ekin;
1462 hits[7] = 0.;
1463 hits[8] = 0.;
1464 AddHit(gAlice->CurrentTrack(), vol, hits);
1465 }
1466 else{
1467 hits[9] = destep;
1468 hits[7] = 0.;
1469 hits[8] = 0.;
1470 AddHit(gAlice->CurrentTrack(), vol, hits);
1471 }
1472// printf(" Dep. E = %f \n",hits[9]);
1473 }
1474 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1475
1476
1477 // *** Light production in fibres
1478 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1479
1480 //Select charged particles
1481 if((destep=gMC->Edep())){
1482
1483 // Particle velocity
1484 gMC->TrackMomentum(p);
1485 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1486 Float_t beta = ptot/p[3];
1487 if(beta<0.67) return;
1488 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1489 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1490 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1491 if(beta>0.95) ibeta = 3;
1492
1493 // Angle between particle trajectory and fibre axis
1494 // 1 -> Momentum directions
1495 um[0] = p[0]/ptot;
1496 um[1] = p[1]/ptot;
1497 um[2] = p[2]/ptot;
1498 gMC->Gmtod(um,ud,2);
1499 // 2 -> Angle < limit angle
1500 Double_t alfar = TMath::ACos(ud[2]);
1501 Double_t alfa = alfar*kRaddeg;
1502 if(alfa>=110.) return;
1503 ialfa = Int_t(1.+alfa/2.);
1504
1505 // Distance between particle trajectory and fibre axis
1506 gMC->TrackPosition(s);
1507 for(j=0; j<=2; j++){
1508 x[j] = s[j];
1509 }
1510 gMC->Gmtod(x,xdet,1);
1511 if(TMath::Abs(ud[0])>0.00001){
1512 Float_t dcoeff = ud[1]/ud[0];
1513 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1514 }
1515 else{
1516 be = TMath::Abs(ud[0]);
1517 }
1518
1519 if((vol[0]==1)) radius = fFibZN[1];
1520 if((vol[0]==2)) radius = fFibZP[1];
1521 ibe = Int_t(be*1000.+1);
1522
1523 //Looking into the light tables
1524 Float_t charge = gMC->TrackCharge();
1525
1526 // (1) ZN
1527 if((vol[0]==1)) {
1528 if(ibe>fNben) ibe=fNben;
1529 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1530 nphe = gRandom->Poisson(out);
1531// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1532// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1533 if(gMC->GetMedium() == fMedSensF1){
1534 hits[7] = nphe; //fLightPMQ
1535 hits[8] = 0;
1536 hits[9] = 0;
1537 AddHit(gAlice->CurrentTrack(), vol, hits);
1538 }
1539 else{
1540 hits[7] = 0;
1541 hits[8] = nphe; //fLightPMC
1542 hits[9] = 0;
1543 AddHit(gAlice->CurrentTrack(), vol, hits);
1544 }
1545 }
1546
1547 // (2) ZP
1548 if((vol[0]==2)) {
1549 if(ibe>fNbep) ibe=fNbep;
1550 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1551 nphe = gRandom->Poisson(out);
1552// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1553// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1554 if(gMC->GetMedium() == fMedSensF1){
1555 hits[7] = nphe; //fLightPMQ
1556 hits[8] = 0;
1557 hits[9] = 0;
1558 AddHit(gAlice->CurrentTrack(), vol, hits);
1559 }
1560 else{
1561 hits[7] = 0;
1562 hits[8] = nphe; //fLightPMC
1563 hits[9] = 0;
1564 AddHit(gAlice->CurrentTrack(), vol, hits);
1565 }
1566 }
1567 // (3) ZEM
1568 if((vol[0]==3)) {
1569 if(ibe>fNbep) ibe=fNbep;
1570 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1571 nphe = gRandom->Poisson(out);
1572// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1573// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1574 hits[7] = 0;
1575 hits[8] = nphe; //fLightPMC
1576 hits[9] = 0;
1577 AddHit(gAlice->CurrentTrack(), vol, hits);
1578 }
1579 }
1580 }
1581}