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Cleanup of STEER coding conventions
[u/mrichter/AliRoot.git] / ZDC / AliZDCv2.cxx
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4663d63d 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
832f1922 18Revision 1.8 2002/10/14 14:57:44 hristov
19Merging the VirtualMC branch to the main development branch (HEAD)
20
b9d0a01d 21Revision 1.7.8.1 2002/06/10 15:29:36 hristov
22Merged with v3-08-02
23
24Revision 1.7 2001/10/04 14:33:43 coppedis
25Second EM ZDC added at 7.35 m from IP
26
410749b4 27Revision 1.6 2001/09/26 16:07:40 coppedis
28Changes in StepManager suggested by J.Chudoba
29
8cc32cbc 30Revision 1.5 2001/06/15 14:51:39 coppedis
31Geometry bug corrected
32
c63eb7ab 33Revision 1.4 2001/06/13 11:17:49 coppedis
34Bug corrected
35
8064008b 36Revision 1.3 2001/06/13 11:11:02 coppedis
37Minor changes
38
6d5d9c06 39Revision 1.2 2001/06/12 13:45:11 coppedis
40TDI in correct position and minor correction
41
7cc664ae 42Revision 1.1 2001/05/14 09:57:39 coppedis
43A different geometry for the ZDCs
44
4663d63d 45
46*/
47
8cc32cbc 48///////////////////////////////////////////////////////////////////////
49// //
50// AliZDCv2 --- new ZDC geometry, //
51// with the EM ZDC at about 10 m from IP //
52// Just one set of ZDC is inserted //
53// (on the same side of the dimuon arm realtive to IP) //
54// //
55///////////////////////////////////////////////////////////////////////
4663d63d 56
57// --- Standard libraries
58#include "stdio.h"
59
60// --- ROOT system
61#include <TBRIK.h>
62#include <TNode.h>
63#include <TMath.h>
64#include <TRandom.h>
65#include <TSystem.h>
66#include <TTree.h>
67
68
69// --- AliRoot classes
70#include "AliZDCv2.h"
71#include "AliZDCHit.h"
4663d63d 72#include "AliRun.h"
73#include "AliDetector.h"
74#include "AliMagF.h"
4663d63d 75#include "AliConst.h"
76#include "AliPDG.h"
77#include "TLorentzVector.h"
78
79
80ClassImp(AliZDCv2)
4663d63d 81
82//_____________________________________________________________________________
83AliZDCv2::AliZDCv2() : AliZDC()
84{
85 //
86 // Default constructor for Zero Degree Calorimeter
87 //
88
89 fMedSensF1 = 0;
90 fMedSensF2 = 0;
91 fMedSensZN = 0;
92 fMedSensZP = 0;
93 fMedSensZEM = 0;
94 fMedSensGR = 0;
95// fMedSensPI = 0;
96// fMedSensTDI = 0;
97}
98
99//_____________________________________________________________________________
100AliZDCv2::AliZDCv2(const char *name, const char *title)
101 : AliZDC(name,title)
102{
103 //
104 // Standard constructor for Zero Degree Calorimeter
105 //
106 //
107 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
108
109 AliModule* PIPE=gAlice->GetModule("PIPE");
110 AliModule* ABSO=gAlice->GetModule("ABSO");
111 AliModule* DIPO=gAlice->GetModule("DIPO");
112 AliModule* SHIL=gAlice->GetModule("SHIL");
113 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
114 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
115 exit(1);
116 }
117
118 fMedSensF1 = 0;
119 fMedSensF2 = 0;
120 fMedSensZN = 0;
121 fMedSensZP = 0;
122 fMedSensZEM = 0;
123 fMedSensGR = 0;
124// fMedSensPI = 0;
125// fMedSensTDI = 0;
126
127
128 // Parameters for light tables
129 fNalfan = 90; // Number of Alfa (neutrons)
130 fNalfap = 90; // Number of Alfa (protons)
131 fNben = 18; // Number of beta (neutrons)
132 fNbep = 28; // Number of beta (protons)
133 Int_t ip,jp,kp;
134 for(ip=0; ip<4; ip++){
135 for(kp=0; kp<fNalfap; kp++){
136 for(jp=0; jp<fNbep; jp++){
137 fTablep[ip][kp][jp] = 0;
138 }
139 }
140 }
141 Int_t in,jn,kn;
142 for(in=0; in<4; in++){
143 for(kn=0; kn<fNalfan; kn++){
144 for(jn=0; jn<fNben; jn++){
145 fTablen[in][kn][jn] = 0;
146 }
147 }
148 }
149
150 // Parameters for hadronic calorimeters geometry
410749b4 151 fDimZN[0] = 3.52;
152 fDimZN[1] = 3.52;
153 fDimZN[2] = 50.;
4663d63d 154 fDimZP[0] = 11.2;
155 fDimZP[1] = 6.;
156 fDimZP[2] = 75.;
157 fPosZN[0] = 0.;
8cc32cbc 158 fPosZN[1] = 1.2;
4663d63d 159 fPosZN[2] = 11650.;
8cc32cbc 160 fPosZP[0] = -23.9;
4663d63d 161 fPosZP[1] = 0.;
162 fPosZP[2] = 11600.;
163 fFibZN[0] = 0.;
164 fFibZN[1] = 0.01825;
165 fFibZN[2] = 50.;
166 fFibZP[0] = 0.;
167 fFibZP[1] = 0.0275;
168 fFibZP[2] = 75.;
169
170 // Parameters for EM calorimeter geometry
171 fPosZEM[0] = 8.5;
172 fPosZEM[1] = 0.;
410749b4 173// fPosZEM[2] = -830.;
174 fPosZEM[2] = -735.;
8cc32cbc 175 fZEMLength = 0.;
4663d63d 176
4663d63d 177}
178
179//_____________________________________________________________________________
180void AliZDCv2::CreateGeometry()
181{
182 //
183 // Create the geometry for the Zero Degree Calorimeter version 1
184 //* Initialize COMMON block ZDC_CGEOM
185 //*
186
187 CreateBeamLine();
188 CreateZDC();
189}
190
191//_____________________________________________________________________________
192void AliZDCv2::CreateBeamLine()
193{
194
195 Float_t zq, zd1, zd2;
196 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
197 Int_t im1, im2;
198
199 Int_t *idtmed = fIdtmed->GetArray();
200
201 // -- Mother of the ZDCs (Vacuum PCON)
202
203 conpar[0] = 0.;
204 conpar[1] = 360.;
205 conpar[2] = 2.;
c63eb7ab 206 conpar[3] = 2000.;
4663d63d 207 conpar[4] = 0.;
c63eb7ab 208 conpar[5] = 55.;
4663d63d 209 conpar[6] = 13060.;
210 conpar[7] = 0.;
c63eb7ab 211 conpar[8] = 55.;
4663d63d 212 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
213 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
214
215 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
216 // the beginning of D1)
217
218 zd1 = 2000.;
219
220 tubpar[0] = 6.3/2.;
221 tubpar[1] = 6.7/2.;
222 tubpar[2] = 3838.3/2.;
223 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
224 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
225
226 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
227 // beginning of D2)
228
229 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
230 //-- Cylindrical pipe (r = 3.47) + conical flare
231
232 // -> Beginning of D1
233 zd1 += 2.*tubpar[2];
234
235 tubpar[0] = 3.47;
236 tubpar[1] = 3.47+0.2;
237 tubpar[2] = 958.5/2.;
238 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
239 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
240
241 zd1 += 2.*tubpar[2];
242
243 conpar[0] = 25./2.;
244 conpar[1] = 6.44/2.;
245 conpar[2] = 6.84/2.;
246 conpar[3] = 10./2.;
247 conpar[4] = 10.4/2.;
248 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
249 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
250
251 zd1 += 2.*conpar[0];
252
253 tubpar[0] = 10./2.;
254 tubpar[1] = 10.4/2.;
255 tubpar[2] = 50./2.;
256 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
257 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
258
259 zd1 += tubpar[2]*2.;
260
261 tubpar[0] = 10./2.;
262 tubpar[1] = 10.4/2.;
263 tubpar[2] = 10./2.;
264 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
265 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
266
267 zd1 += tubpar[2] * 2.;
268
269 tubpar[0] = 10./2.;
270 tubpar[1] = 10.4/2.;
271 tubpar[2] = 3.16/2.;
272 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
273 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
274
275 zd1 += tubpar[2] * 2.;
276
277 tubpar[0] = 10.0/2.;
278 tubpar[1] = 10.4/2;
279 tubpar[2] = 190./2.;
280 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
281 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
282
283 zd1 += tubpar[2] * 2.;
284
285 conpar[0] = 30./2.;
286 conpar[1] = 10./2.;
287 conpar[2] = 10.4/2.;
288 conpar[3] = 20.6/2.;
289 conpar[4] = 21./2.;
290 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
291 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
292
293 zd1 += conpar[0] * 2.;
294
295 tubpar[0] = 20.6/2.;
296 tubpar[1] = 21./2.;
297 tubpar[2] = 450./2.;
298 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
299 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
300
301 zd1 += tubpar[2] * 2.;
302
303 conpar[0] = 13.6/2.;
304 conpar[1] = 20.6/2.;
305 conpar[2] = 21./2.;
306 conpar[3] = 25.4/2.;
307 conpar[4] = 25.8/2.;
308 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
309 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
310
311 zd1 += conpar[0] * 2.;
312
313 tubpar[0] = 25.4/2.;
314 tubpar[1] = 25.8/2.;
315 tubpar[2] = 205.8/2.;
316 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
317 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
318
319 zd1 += tubpar[2] * 2.;
320
321 tubpar[0] = 50./2.;
322 tubpar[1] = 50.4/2.;
323 // QT09 is 10 cm longer to accomodate TDI
324 tubpar[2] = 515.4/2.;
325 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
326 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
327
328 // --- Insert TDI (inside ZDC volume)
329
330 boxpar[0] = 5.6;
331 boxpar[1] = 5.6;
332 boxpar[2] = 400./2.;
333 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
c63eb7ab 334 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
335 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 336
337 boxpar[0] = 0.2/2.;
338 boxpar[1] = 5.6;
339 boxpar[2] = 400./2.;
340 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
c63eb7ab 341 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 342
6d5d9c06 343// tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
344// tubspar[1] = 6.4;
345// tubspar[2] = 400./2.;
346// tubspar[3] = 180.-62.5;
347// tubspar[4] = 180.+62.5;
348 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
349 tubspar[1] = 10.7;
4663d63d 350 tubspar[2] = 400./2.;
6d5d9c06 351 tubspar[3] = 180.-75.5;
352 tubspar[4] = 180.+75.5;
4663d63d 353 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
c63eb7ab 354 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 355
356 zd1 += tubpar[2] * 2.;
357
358 tubpar[0] = 50./2.;
359 tubpar[1] = 50.4/2.;
360 // QT10 is 10 cm shorter
361 tubpar[2] = 690./2.;
362 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
363 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
364
365 zd1 += tubpar[2] * 2.;
366
367 tubpar[0] = 50./2.;
368 tubpar[1] = 50.4/2.;
369 tubpar[2] = 778.5/2.;
370 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
371 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
372
373 zd1 += tubpar[2] * 2.;
374
375 conpar[0] = 14.18/2.;
376 conpar[1] = 50./2.;
377 conpar[2] = 50.4/2.;
378 conpar[3] = 55./2.;
379 conpar[4] = 55.4/2.;
380 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
381 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
382
383 zd1 += conpar[0] * 2.;
384
385 tubpar[0] = 55./2.;
386 tubpar[1] = 55.4/2.;
387 tubpar[2] = 730./2.;
388 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
389 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
390
391 zd1 += tubpar[2] * 2.;
392
393 conpar[0] = 36.86/2.;
394 conpar[1] = 55./2.;
395 conpar[2] = 55.4/2.;
396 conpar[3] = 68./2.;
397 conpar[4] = 68.4/2.;
398 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
399 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
400
401 zd1 += conpar[0] * 2.;
402
403 tubpar[0] = 68./2.;
404 tubpar[1] = 68.4/2.;
405 tubpar[2] = 927.3/2.;
406 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
407 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
408
409 zd1 += tubpar[2] * 2.;
410
411 tubpar[0] = 0./2.;
412 tubpar[1] = 68.4/2.;
413 tubpar[2] = 0.2/2.;
414 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
415 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
416
417 zd1 += tubpar[2] * 2.;
418
419 tubpar[0] = 0./2.;
420 tubpar[1] = 6.4/2.;
421 tubpar[2] = 0.2/2.;
422 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
423
424 //-- Position QT15 inside QT14
425 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
426
427 tubpar[0] = 0./2.;
428 tubpar[1] = 6.4/2.;
429 tubpar[2] = 0.2/2.;
430 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
431
432 //-- Position QT16 inside QT14
433 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
434
435
436 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
437
438 tubpar[0] = 6.4/2.;
439 tubpar[1] = 6.8/2.;
440 tubpar[2] = 680.8/2.;
441 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
442
443 tubpar[0] = 6.4/2.;
444 tubpar[1] = 6.8/2.;
445 tubpar[2] = 680.8/2.;
446 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
447
448 // -- ROTATE PIPES
449
450 Float_t angle = 0.143*kDegrad;
451
452 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
453 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
454 0., tubpar[2] + zd1, im1, "ONLY");
455
456 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
457 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
458 0., tubpar[2] + zd1, im2, "ONLY");
459
460 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
461
462 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
463 tubpar[0] = 8.0/2.;
464 tubpar[1] = 8.2/2.;
7cc664ae 465 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
4663d63d 466 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
c63eb7ab 467 gMC->Gspos("QT19", 1, "ALIC", 0., 0., zb - tubpar[2], 0, "ONLY");
4663d63d 468
469
470 // -- END OF BEAM PIPE VOLUME DEFINITION.
471 // ----------------------------------------------------------------
472
473 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
474
475 // ----------------------------------------------------------------
476 // Replaced by the muon dipole
477 // ----------------------------------------------------------------
478 // -- COMPENSATOR DIPOLE (MBXW)
479 // GAP (VACUUM WITH MAGNETIC FIELD)
480
481// tubpar[0] = 0.;
482// tubpar[1] = 4.5;
483// tubpar[2] = 340./2.;
484// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
485// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
486
487 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
488
489// tubpar[0] = 4.5;
490// tubpar[1] = 55.;
491// tubpar[2] = 340./2.;
492// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
493// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
494
495 // ----------------------------------------------------------------
496 // Replaced by the second dipole
497 // ----------------------------------------------------------------
498 // -- COMPENSATOR DIPOLE (MCBWA)
499 // GAP (VACUUM WITH MAGNETIC FIELD)
500
501// tubpar[0] = 0.;
502// tubpar[1] = 4.5;
503// tubpar[2] = 170./2.;
504// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
505// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
506
507 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
508
509// tubpar[0] = 4.5;
510// tubpar[1] = 55.;
511// tubpar[2] = 170./2.;
512// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
513// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
514
515 // -- INNER TRIPLET
516
517 zq = 2296.5;
518
519 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
520
521 // MQXL
522 // -- GAP (VACUUM WITH MAGNETIC FIELD)
523
524 tubpar[0] = 0.;
525 tubpar[1] = 3.5;
526 tubpar[2] = 637./2.;
527 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
528
529 // -- YOKE
530
531 tubpar[0] = 3.5;
532 tubpar[1] = 22.;
533 tubpar[2] = 637./2.;
534 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
535
536 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
537 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
538
539 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
540 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
541
542 // -- MQX
543 // -- GAP (VACUUM WITH MAGNETIC FIELD)
544
545 tubpar[0] = 0.;
546 tubpar[1] = 3.5;
547 tubpar[2] = 550./2.;
548 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
549
550 // -- YOKE
551
552 tubpar[0] = 3.5;
553 tubpar[1] = 22.;
554 tubpar[2] = 550./2.;
555 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
556
557 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
558 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
559
560 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
561 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
562
563 // -- SEPARATOR DIPOLE D1
564
565 zd1 = 5838.3;
566
567 // -- GAP (VACUUM WITH MAGNETIC FIELD)
568
569 tubpar[0] = 0.;
570 tubpar[1] = 6.94/2.;
571 tubpar[2] = 945./2.;
572 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
573
574 // -- Insert horizontal Cu plates inside D1
575 // -- (to simulate the vacuum chamber)
576
577 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
578 boxpar[1] = 0.2/2.;
579 boxpar[2] =945./2.;
580 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
581 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
582 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
583
584 // -- YOKE
585
586 tubpar[0] = 0.;
587 tubpar[1] = 110./2;
588 tubpar[2] = 945./2.;
589 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
590
591 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
592 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
593
594 // -- DIPOLE D2
595
596 zd2 = 12147.6;
597
598 // -- GAP (VACUUM WITH MAGNETIC FIELD)
599
600 tubpar[0] = 0.;
601 tubpar[1] = 7.5/2.;
602 tubpar[2] = 945./2.;
603 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
604
605 // -- YOKE
606
607 tubpar[0] = 0.;
608 tubpar[1] = 55.;
609 tubpar[2] = 945./2.;
610 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
611
612 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
613
614 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
615 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
616
617 // -- END OF MAGNET DEFINITION
618}
619
620//_____________________________________________________________________________
621void AliZDCv2::CreateZDC()
622{
623
624 Float_t DimPb[6], DimVoid[6];
625
626 Int_t *idtmed = fIdtmed->GetArray();
627
628 // Parameters for hadronic calorimeters geometry
629 // NB -> parameters used ONLY in CreateZDC()
4663d63d 630 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
631 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
632 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
633 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
634 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
635 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
636
637 // Parameters for EM calorimeter geometry
638 // NB -> parameters used ONLY in CreateZDC()
639 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
640 Float_t fDimZEMAir = 0.001; // scotch
641 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
642 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
643 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
8cc32cbc 644 fZEMLength = fDimZEM0;
4663d63d 645 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
646 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
647 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
648
649
650 //-- Create calorimeters geometry
651
652 // -------------------------------------------------------------------------------
653 //--> Neutron calorimeter (ZN)
654
655 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
656 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
657 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
658 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
659 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
660 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
661 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
662 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
663 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
664
665 // Divide ZNEU in towers (for hits purposes)
666
667 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
668 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
669
670 //-- Divide ZN1 in minitowers
671 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
672 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
673 // (4 fibres per minitower)
674
675 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
676 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
677
678 // --- Position the empty grooves in the sticks (4 grooves per stick)
679 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
680 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
681
682 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
683 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
684 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
685 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
686
687 // --- Position the fibers in the grooves
688 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
689 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
690 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
691 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
692
693 // --- Position the neutron calorimeter in ZDC
694 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
695
696
697 // -------------------------------------------------------------------------------
698 //--> Proton calorimeter (ZP)
699
700 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
701 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
702 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
703 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
704 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
705 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
706 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
707 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
708 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
709
710 //-- Divide ZPRO in towers(for hits purposes)
711
712 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
713 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
714
715
716 //-- Divide ZP1 in minitowers
717 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
718 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
719 // (4 fiber per minitower)
720
721 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
722 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
723
724 // --- Position the empty grooves in the sticks (4 grooves per stick)
725 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
726 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
727
728 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
729 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
730 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
731 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
732
733 // --- Position the fibers in the grooves
734 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
735 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
736 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
737 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
738
739
740 // --- Position the proton calorimeter in ZDC
741 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
742
743
744 // -------------------------------------------------------------------------------
745 // -> EM calorimeter (ZEM)
746
747 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
748
749 Int_t irot1, irot2;
750
751 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
752 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
753// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
754
755 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
756
757 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
758
759 DimPb[0] = fDimZEMPb; // Lead slices
760 DimPb[1] = fDimZEM[2];
761 DimPb[2] = fDimZEM[1];
762 DimPb[3] = 90.-fDimZEM[3];
763 DimPb[4] = 0.;
764 DimPb[5] = 0.;
765 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
766 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
767// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
768
769 // --- Position the lead slices in the tranche
770 Float_t zTran = fDimZEM[0]/fDivZEM[2];
771 Float_t zTrPb = -zTran+fDimZEMPb;
772 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
773 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
774
775 // --- Vacuum zone (to be filled with fibres)
776 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
777 DimVoid[1] = fDimZEM[2];
778 DimVoid[2] = fDimZEM[1];
779 DimVoid[3] = 90.-fDimZEM[3];
780 DimVoid[4] = 0.;
781 DimVoid[5] = 0.;
782 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
783 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
784
785 // --- Divide the vacuum slice into sticks along x axis
786 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
787 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
788
789 // --- Positioning the fibers into the sticks
790 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
791 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
792
793 // --- Positioning the vacuum slice into the tranche
794 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
795 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
796 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
797
798 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
c63eb7ab 799 // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
800 // beacause it's impossible to make a ZDC pcon volume to contain
801 // both hadronics and EM calorimeters. (It causes many tracks abandoning).
802 gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
4663d63d 803
410749b4 804 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
805 gMC->Gspos("ZEM ", 2,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
806
4663d63d 807 // --- Adding last slice at the end of the EM calorimeter
808// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
c63eb7ab 809// gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
4663d63d 810
811}
812
813//_____________________________________________________________________________
814void AliZDCv2::DrawModule()
815{
816 //
817 // Draw a shaded view of the Zero Degree Calorimeter version 1
818 //
819
820 // Set everything unseen
821 gMC->Gsatt("*", "seen", -1);
822 //
823 // Set ALIC mother transparent
824 gMC->Gsatt("ALIC","SEEN",0);
825 //
826 // Set the volumes visible
827 gMC->Gsatt("ZDC ","SEEN",0);
828 gMC->Gsatt("QT01","SEEN",1);
829 gMC->Gsatt("QT02","SEEN",1);
830 gMC->Gsatt("QT03","SEEN",1);
831 gMC->Gsatt("QT04","SEEN",1);
832 gMC->Gsatt("QT05","SEEN",1);
833 gMC->Gsatt("QT06","SEEN",1);
834 gMC->Gsatt("QT07","SEEN",1);
835 gMC->Gsatt("QT08","SEEN",1);
836 gMC->Gsatt("QT09","SEEN",1);
837 gMC->Gsatt("QT10","SEEN",1);
838 gMC->Gsatt("QT11","SEEN",1);
839 gMC->Gsatt("QT12","SEEN",1);
840 gMC->Gsatt("QT13","SEEN",1);
841 gMC->Gsatt("QT14","SEEN",1);
842 gMC->Gsatt("QT15","SEEN",1);
843 gMC->Gsatt("QT16","SEEN",1);
844 gMC->Gsatt("QT17","SEEN",1);
845 gMC->Gsatt("QT18","SEEN",1);
846 gMC->Gsatt("QC01","SEEN",1);
847 gMC->Gsatt("QC02","SEEN",1);
848 gMC->Gsatt("QC03","SEEN",1);
849 gMC->Gsatt("QC04","SEEN",1);
850 gMC->Gsatt("QC05","SEEN",1);
851 gMC->Gsatt("QTD1","SEEN",1);
852 gMC->Gsatt("QTD2","SEEN",1);
853 gMC->Gsatt("QTD3","SEEN",1);
854 gMC->Gsatt("MQXL","SEEN",1);
855 gMC->Gsatt("YMQL","SEEN",1);
856 gMC->Gsatt("MQX ","SEEN",1);
857 gMC->Gsatt("YMQ ","SEEN",1);
858 gMC->Gsatt("ZQYX","SEEN",1);
859 gMC->Gsatt("MD1 ","SEEN",1);
860 gMC->Gsatt("MD1V","SEEN",1);
861 gMC->Gsatt("YD1 ","SEEN",1);
862 gMC->Gsatt("MD2 ","SEEN",1);
863 gMC->Gsatt("YD2 ","SEEN",1);
864 gMC->Gsatt("ZNEU","SEEN",0);
865 gMC->Gsatt("ZNF1","SEEN",0);
866 gMC->Gsatt("ZNF2","SEEN",0);
867 gMC->Gsatt("ZNF3","SEEN",0);
868 gMC->Gsatt("ZNF4","SEEN",0);
869 gMC->Gsatt("ZNG1","SEEN",0);
870 gMC->Gsatt("ZNG2","SEEN",0);
871 gMC->Gsatt("ZNG3","SEEN",0);
872 gMC->Gsatt("ZNG4","SEEN",0);
873 gMC->Gsatt("ZNTX","SEEN",0);
874 gMC->Gsatt("ZN1 ","COLO",4);
875 gMC->Gsatt("ZN1 ","SEEN",1);
876 gMC->Gsatt("ZNSL","SEEN",0);
877 gMC->Gsatt("ZNST","SEEN",0);
878 gMC->Gsatt("ZPRO","SEEN",0);
879 gMC->Gsatt("ZPF1","SEEN",0);
880 gMC->Gsatt("ZPF2","SEEN",0);
881 gMC->Gsatt("ZPF3","SEEN",0);
882 gMC->Gsatt("ZPF4","SEEN",0);
883 gMC->Gsatt("ZPG1","SEEN",0);
884 gMC->Gsatt("ZPG2","SEEN",0);
885 gMC->Gsatt("ZPG3","SEEN",0);
886 gMC->Gsatt("ZPG4","SEEN",0);
887 gMC->Gsatt("ZPTX","SEEN",0);
888 gMC->Gsatt("ZP1 ","COLO",6);
889 gMC->Gsatt("ZP1 ","SEEN",1);
890 gMC->Gsatt("ZPSL","SEEN",0);
891 gMC->Gsatt("ZPST","SEEN",0);
892 gMC->Gsatt("ZEM ","COLO",7);
893 gMC->Gsatt("ZEM ","SEEN",1);
894 gMC->Gsatt("ZEMF","SEEN",0);
895 gMC->Gsatt("ZETR","SEEN",0);
896 gMC->Gsatt("ZEL0","SEEN",0);
897 gMC->Gsatt("ZEL1","SEEN",0);
898 gMC->Gsatt("ZEL2","SEEN",0);
899 gMC->Gsatt("ZEV0","SEEN",0);
900 gMC->Gsatt("ZEV1","SEEN",0);
901 gMC->Gsatt("ZES0","SEEN",0);
902 gMC->Gsatt("ZES1","SEEN",0);
903
904 //
905 gMC->Gdopt("hide", "on");
906 gMC->Gdopt("shad", "on");
907 gMC->Gsatt("*", "fill", 7);
908 gMC->SetClipBox(".");
909 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
910 gMC->DefaultRange();
911 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
912 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
913 gMC->Gdman(18, 4, "MAN");
914}
915
916//_____________________________________________________________________________
917void AliZDCv2::CreateMaterials()
918{
919 //
920 // Create Materials for the Zero Degree Calorimeter
921 //
922
923 Int_t *idtmed = fIdtmed->GetArray();
924
925 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
926 Int_t i;
927
928 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
929
930 // --- Tantalum -> ZN passive material
931 ubuf[0] = 1.1;
932 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
933
934 // --- Tungsten
935// ubuf[0] = 1.11;
936// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
937
938 // --- Brass (CuZn) -> ZP passive material
939 dens = 8.48;
940 a[0] = 63.546;
941 a[1] = 65.39;
942 z[0] = 29.;
943 z[1] = 30.;
944 wmat[0] = .63;
945 wmat[1] = .37;
946 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
947
948 // --- SiO2
949 dens = 2.64;
950 a[0] = 28.086;
951 a[1] = 15.9994;
952 z[0] = 14.;
953 z[1] = 8.;
954 wmat[0] = 1.;
955 wmat[1] = 2.;
956 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
957
958 // --- Lead
959 ubuf[0] = 1.12;
960 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
961
962 // --- Copper
963 ubuf[0] = 1.10;
964 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
965
966 // --- Iron (energy loss taken into account)
967 ubuf[0] = 1.1;
968 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
969
970 // --- Iron (no energy loss)
971 ubuf[0] = 1.1;
972 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
973
974 // --- Vacuum (no magnetic field)
975 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
976
977 // --- Vacuum (with magnetic field)
978 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
979
980 // --- Air (no magnetic field)
981 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
982
983 // --- Definition of tracking media:
984
985 // --- Tantalum = 1 ;
986 // --- Brass = 2 ;
987 // --- Fibers (SiO2) = 3 ;
988 // --- Fibers (SiO2) = 4 ;
989 // --- Lead = 5 ;
990 // --- Copper = 6 ;
991 // --- Iron (with energy loss) = 7 ;
992 // --- Iron (without energy loss) = 8 ;
993 // --- Vacuum (no field) = 10
994 // --- Vacuum (with field) = 11
995 // --- Air (no field) = 12
996
997
998 // --- Tracking media parameters
999 Float_t epsil = .01, stmin=0.01, stemax = 1.;
7cc664ae 1000// Int_t isxfld = gAlice->Field()->Integ();
4663d63d 1001 Float_t fieldm = 0., tmaxfd = 0.;
1002 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
1003
1004 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1005// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1006 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1007 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1008 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1009 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1010// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1011// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1012 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1013 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1014 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1015 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1016 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1017
1018 ifield =2;
1019 fieldm = 45.;
7cc664ae 1020 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
4663d63d 1021
1022 // Thresholds for showering in the ZDCs
1023 i = 1; //tantalum
1024 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1025 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1026 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1027 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1028 i = 2; //brass
1029 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1030 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1031 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1032 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1033 i = 5; //lead
1034 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1035 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1036 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1037 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1038
1039 // Avoid too detailed showering in TDI
1040 i = 6; //copper
1041 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1042 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1043 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1044 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1045
1046 // Avoid too detailed showering along the beam line
1047 i = 7; //iron with energy loss (ZIRON)
1048 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1049 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1050 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1051 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1052
1053 // Avoid too detailed showering along the beam line
1054 i = 8; //iron with energy loss (ZIRONN)
1055 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1056 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1057 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1058 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1059
1060 // Avoid interaction in fibers (only energy loss allowed)
1061 i = 3; //fibers (ZSI02)
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", 1.);
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 i = 4; //fibers (ZQUAR)
1075 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1076 gMC->Gstpar(idtmed[i], "MULS", 0.);
1077 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1078 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1079 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1080 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1081 gMC->Gstpar(idtmed[i], "COMP", 0.);
1082 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1083 gMC->Gstpar(idtmed[i], "BREM", 0.);
1084 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1085 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1086 gMC->Gstpar(idtmed[i], "HADR", 0.);
1087
1088 // Avoid interaction in void
1089 i = 11; //void with field
1090 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1091 gMC->Gstpar(idtmed[i], "MULS", 0.);
1092 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1093 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1094 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1095 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1096 gMC->Gstpar(idtmed[i], "COMP", 0.);
1097 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1098 gMC->Gstpar(idtmed[i], "BREM", 0.);
1099 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1100 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1101 gMC->Gstpar(idtmed[i], "HADR", 0.);
1102
1103 //
1104 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1105 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1106 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1107 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1108 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1109// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1110// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1111 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1112}
1113
1114//_____________________________________________________________________________
1115void AliZDCv2::Init()
1116{
1117 InitTables();
1118}
1119
1120//_____________________________________________________________________________
1121void AliZDCv2::InitTables()
1122{
1123 Int_t k, j;
1124
1125 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1126 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1127 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1128
1129 // --- Reading light tables for ZN
1130 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1131 if((fp1 = fopen(lightfName1,"r")) == NULL){
1132 printf("Cannot open file fp1 \n");
1133 return;
1134 }
1135 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1136 if((fp2 = fopen(lightfName2,"r")) == NULL){
1137 printf("Cannot open file fp2 \n");
1138 return;
1139 }
1140 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1141 if((fp3 = fopen(lightfName3,"r")) == NULL){
1142 printf("Cannot open file fp3 \n");
1143 return;
1144 }
1145 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1146 if((fp4 = fopen(lightfName4,"r")) == NULL){
1147 printf("Cannot open file fp4 \n");
1148 return;
1149 }
1150
1151 for(k=0; k<fNalfan; k++){
1152 for(j=0; j<fNben; j++){
1153 fscanf(fp1,"%f",&fTablen[0][k][j]);
1154 fscanf(fp2,"%f",&fTablen[1][k][j]);
1155 fscanf(fp3,"%f",&fTablen[2][k][j]);
1156 fscanf(fp4,"%f",&fTablen[3][k][j]);
1157 }
1158 }
1159 fclose(fp1);
1160 fclose(fp2);
1161 fclose(fp3);
1162 fclose(fp4);
1163
1164 // --- Reading light tables for ZP and ZEM
1165 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1166 if((fp5 = fopen(lightfName5,"r")) == NULL){
1167 printf("Cannot open file fp5 \n");
1168 return;
1169 }
1170 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1171 if((fp6 = fopen(lightfName6,"r")) == NULL){
1172 printf("Cannot open file fp6 \n");
1173 return;
1174 }
1175 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1176 if((fp7 = fopen(lightfName7,"r")) == NULL){
1177 printf("Cannot open file fp7 \n");
1178 return;
1179 }
1180 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1181 if((fp8 = fopen(lightfName8,"r")) == NULL){
1182 printf("Cannot open file fp8 \n");
1183 return;
1184 }
1185
1186 for(k=0; k<fNalfap; k++){
1187 for(j=0; j<fNbep; j++){
1188 fscanf(fp5,"%f",&fTablep[0][k][j]);
1189 fscanf(fp6,"%f",&fTablep[1][k][j]);
1190 fscanf(fp7,"%f",&fTablep[2][k][j]);
1191 fscanf(fp8,"%f",&fTablep[3][k][j]);
1192 }
1193 }
1194 fclose(fp5);
1195 fclose(fp6);
1196 fclose(fp7);
1197 fclose(fp8);
1198}
4663d63d 1199//_____________________________________________________________________________
1200void AliZDCv2::StepManager()
1201{
1202 //
1203 // Routine called at every step in the Zero Degree Calorimeters
1204 //
1205
1206 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1207 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
8cc32cbc 1208 Float_t xalic[3], z, GuiEff, GuiPar[4]={0.31,-0.0004,0.0197,0.7958};
4663d63d 1209 TLorentzVector s, p;
1210 const char *knamed;
1211
1212 for (j=0;j<10;j++) hits[j]=0;
1213
1214 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1215 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1216 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
8cc32cbc 1217
1218// --- This part is for no shower developement in beam pipe and TDI
4663d63d 1219// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1220
1221 // If particle interacts with beam pipe -> return
1222// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1223 // If option NoShower is set -> StopTrack
1224// if(fNoShower==1) {
1225// if(gMC->GetMedium() == fMedSensPI) {
1226// knamed = gMC->CurrentVolName();
1227// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1228// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1229// }
1230// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1231// gMC->StopTrack();
1232// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1233// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1234// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
4663d63d 1235// }
7cc664ae 1236// return;
4663d63d 1237// }
1238
1239 //Particle coordinates
1240 gMC->TrackPosition(s);
1241 for(j=0; j<=2; j++){
1242 x[j] = s[j];
1243 }
1244 hits[0] = x[0];
1245 hits[1] = x[1];
1246 hits[2] = x[2];
1247
1248 // Determine in which ZDC the particle is
1249 knamed = gMC->CurrentVolName();
8cc32cbc 1250 if(!strncmp(knamed,"ZN",2)){
1251 vol[0]=1;
1252 }
1253 else if(!strncmp(knamed,"ZP",2)){
1254 vol[0]=2;
1255 }
1256 else if(!strncmp(knamed,"ZE",2)){
1257 vol[0]=3;
1258 }
4663d63d 1259
1260 // Determine in which quadrant the particle is
8cc32cbc 1261
1262 if(vol[0]==1){ //Quadrant in ZN
410749b4 1263 // Calculating particle coordinates inside ZN
4663d63d 1264 xdet[0] = x[0]-fPosZN[0];
1265 xdet[1] = x[1]-fPosZN[1];
410749b4 1266 // Calculating quadrant in ZN
1267 if(xdet[0]<=0.){
1268 if(xdet[1]>=0.) vol[1]=1;
1269 else if(xdet[1]<0.) vol[1]=3;
1270 }
1271 else if(xdet[0]>0.){
1272 if(xdet[1]>=0.) vol[1]=2;
1273 else if(xdet[1]<0.) vol[1]=4;
1274 }
1275 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1276 printf("\n StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
1277 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
4663d63d 1278 }
410749b4 1279
8cc32cbc 1280 else if(vol[0]==2){ //Quadrant in ZP
410749b4 1281 // Calculating particle coordinates inside ZP
4663d63d 1282 xdet[0] = x[0]-fPosZP[0];
1283 xdet[1] = x[1]-fPosZP[1];
410749b4 1284 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
1285 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
1286 // Calculating tower in ZP
1287 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
4663d63d 1288 for(int i=1; i<=4; i++){
1289 if(xqZP>=(i-3) && xqZP<(i-2)){
1290 vol[1] = i;
1291 break;
1292 }
1293 }
410749b4 1294 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1295 printf(" StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
1296 "xdet[1] = %f",vol[1], xdet[0], xdet[1]);
4663d63d 1297 }
410749b4 1298
1299 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
1300 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
1301 else if(vol[0] == 3){
1302 if(x[0]>0.){
1303 vol[1] = 1;
1304 // Particle x-coordinate inside ZEM1
1305 xdet[0] = x[0]-fPosZEM[0];
1306 }
1307 else{
1308 vol[1] = 2;
1309 // Particle x-coordinate inside ZEM2
1310 xdet[0] = x[0]+fPosZEM[0];
1311 }
4663d63d 1312 xdet[1] = x[1]-fPosZEM[1];
1313 }
1314
1315 // Store impact point and kinetic energy of the ENTERING particle
1316
1317// if(Curtrack==Prim){
1318 if(gMC->IsTrackEntering()){
1319 //Particle energy
1320 gMC->TrackMomentum(p);
1321 hits[3] = p[3];
1322 // Impact point on ZDC
1323 hits[4] = xdet[0];
1324 hits[5] = xdet[1];
1325 hits[6] = 0;
1326 hits[7] = 0;
1327 hits[8] = 0;
1328 hits[9] = 0;
1329
1330// Int_t PcID = gMC->TrackPid();
1331// printf("Pc ID -> %d\n",PcID);
1332 AddHit(gAlice->CurrentTrack(), vol, hits);
1333
1334 if(fNoShower==1){
1335// fpDetected += 1;
1336 gMC->StopTrack();
1337// printf("\n # of detected p = %d\n",fpDetected);
1338 return;
1339 }
1340 }
1341// } // Curtrack IF
1342
1343 // Charged particles -> Energy loss
1344 if((destep=gMC->Edep())){
1345 if(gMC->IsTrackStop()){
1346 gMC->TrackMomentum(p);
1347 m = gMC->TrackMass();
1348 ekin = p[3]-m;
1349 hits[9] = ekin;
1350 hits[7] = 0.;
1351 hits[8] = 0.;
1352 AddHit(gAlice->CurrentTrack(), vol, hits);
1353 }
1354 else{
1355 hits[9] = destep;
1356 hits[7] = 0.;
1357 hits[8] = 0.;
1358 AddHit(gAlice->CurrentTrack(), vol, hits);
1359 }
1360// printf(" Dep. E = %f \n",hits[9]);
1361 }
1362 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1363
1364
1365 // *** Light production in fibres
1366 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1367
1368 //Select charged particles
1369 if((destep=gMC->Edep())){
1370
1371 // Particle velocity
410749b4 1372 Float_t beta = 0.;
4663d63d 1373 gMC->TrackMomentum(p);
1374 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
410749b4 1375 if(p[3] > 0.00001) beta = ptot/p[3];
1376 else return;
8cc32cbc 1377 if(beta<0.67){
1378 return;
1379 }
1380 else if((beta>=0.67) && (beta<=0.75)){
1381 ibeta = 0;
1382 }
1383 if((beta>0.75) && (beta<=0.85)){
1384 ibeta = 1;
1385 }
1386 if((beta>0.85) && (beta<=0.95)){
1387 ibeta = 2;
1388 }
1389 if(beta>0.95){
1390 ibeta = 3;
1391 }
4663d63d 1392
1393 // Angle between particle trajectory and fibre axis
1394 // 1 -> Momentum directions
1395 um[0] = p[0]/ptot;
1396 um[1] = p[1]/ptot;
1397 um[2] = p[2]/ptot;
1398 gMC->Gmtod(um,ud,2);
1399 // 2 -> Angle < limit angle
1400 Double_t alfar = TMath::ACos(ud[2]);
1401 Double_t alfa = alfar*kRaddeg;
1402 if(alfa>=110.) return;
1403 ialfa = Int_t(1.+alfa/2.);
1404
1405 // Distance between particle trajectory and fibre axis
1406 gMC->TrackPosition(s);
1407 for(j=0; j<=2; j++){
1408 x[j] = s[j];
1409 }
1410 gMC->Gmtod(x,xdet,1);
1411 if(TMath::Abs(ud[0])>0.00001){
1412 Float_t dcoeff = ud[1]/ud[0];
1413 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1414 }
1415 else{
1416 be = TMath::Abs(ud[0]);
1417 }
1418
8cc32cbc 1419 if((vol[0]==1)){
1420 radius = fFibZN[1];
1421 }
1422 else if((vol[0]==2)){
1423 radius = fFibZP[1];
1424 }
4663d63d 1425 ibe = Int_t(be*1000.+1);
1426
1427 //Looking into the light tables
1428 Float_t charge = gMC->TrackCharge();
1429
8cc32cbc 1430 if((vol[0]==1)) { // (1) ZN fibres
4663d63d 1431 if(ibe>fNben) ibe=fNben;
1432 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1433 nphe = gRandom->Poisson(out);
1434// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1435// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1436 if(gMC->GetMedium() == fMedSensF1){
1437 hits[7] = nphe; //fLightPMQ
1438 hits[8] = 0;
1439 hits[9] = 0;
1440 AddHit(gAlice->CurrentTrack(), vol, hits);
1441 }
1442 else{
1443 hits[7] = 0;
1444 hits[8] = nphe; //fLightPMC
1445 hits[9] = 0;
1446 AddHit(gAlice->CurrentTrack(), vol, hits);
1447 }
1448 }
8cc32cbc 1449 else if((vol[0]==2)) { // (2) ZP fibres
4663d63d 1450 if(ibe>fNbep) ibe=fNbep;
1451 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1452 nphe = gRandom->Poisson(out);
1453// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1454// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1455 if(gMC->GetMedium() == fMedSensF1){
1456 hits[7] = nphe; //fLightPMQ
1457 hits[8] = 0;
1458 hits[9] = 0;
1459 AddHit(gAlice->CurrentTrack(), vol, hits);
1460 }
1461 else{
1462 hits[7] = 0;
1463 hits[8] = nphe; //fLightPMC
1464 hits[9] = 0;
1465 AddHit(gAlice->CurrentTrack(), vol, hits);
1466 }
1467 }
8cc32cbc 1468 else if((vol[0]==3)) { // (3) ZEM fibres
4663d63d 1469 if(ibe>fNbep) ibe=fNbep;
1470 out = charge*charge*fTablep[ibeta][ialfa][ibe];
8cc32cbc 1471 gMC->TrackPosition(s);
1472 for(j=0; j<=2; j++){
1473 xalic[j] = s[j];
1474 }
1475 // z-coordinate from ZEM front face
1476 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
1477 z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
1478// z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
1479// printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
1480 GuiEff = GuiPar[0]*(GuiPar[1]*z*z+GuiPar[2]*z+GuiPar[3]);
1481// printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
1482// xalic[0],xalic[1],xalic[2],z);
1483 out = out*GuiEff;
4663d63d 1484 nphe = gRandom->Poisson(out);
8cc32cbc 1485// printf(" out*GuiEff = %f nphe = %d", out, nphe);
4663d63d 1486// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1487// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
410749b4 1488 if(vol[1] == 1){
1489 hits[7] = 0;
1490 hits[8] = nphe; //fLightPMC (ZEM1)
1491 hits[9] = 0;
1492 AddHit(gAlice->CurrentTrack(), vol, hits);
1493 }
1494 else{
1495 hits[7] = nphe; //fLightPMQ (ZEM2)
1496 hits[8] = 0;
1497 hits[9] = 0;
1498 AddHit(gAlice->CurrentTrack(), vol, hits);
1499 }
4663d63d 1500 }
1501 }
1502 }
1503}