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Merging the VirtualMC branch to the main development branch (HEAD)
[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$Log$
b9d0a01d 18Revision 1.7.8.1 2002/06/10 15:29:36 hristov
19Merged with v3-08-02
20
21Revision 1.7 2001/10/04 14:33:43 coppedis
22Second EM ZDC added at 7.35 m from IP
23
410749b4 24Revision 1.6 2001/09/26 16:07:40 coppedis
25Changes in StepManager suggested by J.Chudoba
26
8cc32cbc 27Revision 1.5 2001/06/15 14:51:39 coppedis
28Geometry bug corrected
29
c63eb7ab 30Revision 1.4 2001/06/13 11:17:49 coppedis
31Bug corrected
32
8064008b 33Revision 1.3 2001/06/13 11:11:02 coppedis
34Minor changes
35
6d5d9c06 36Revision 1.2 2001/06/12 13:45:11 coppedis
37TDI in correct position and minor correction
38
7cc664ae 39Revision 1.1 2001/05/14 09:57:39 coppedis
40A different geometry for the ZDCs
41
4663d63d 42
43*/
44
8cc32cbc 45///////////////////////////////////////////////////////////////////////
46// //
47// AliZDCv2 --- new ZDC geometry, //
48// with the EM ZDC at about 10 m from IP //
49// Just one set of ZDC is inserted //
50// (on the same side of the dimuon arm realtive to IP) //
51// //
52///////////////////////////////////////////////////////////////////////
4663d63d 53
54// --- Standard libraries
55#include "stdio.h"
56
57// --- ROOT system
58#include <TBRIK.h>
59#include <TNode.h>
60#include <TMath.h>
61#include <TRandom.h>
62#include <TSystem.h>
63#include <TTree.h>
64
65
66// --- AliRoot classes
67#include "AliZDCv2.h"
68#include "AliZDCHit.h"
4663d63d 69#include "AliRun.h"
70#include "AliDetector.h"
71#include "AliMagF.h"
72#include "AliMC.h"
b9d0a01d 73//#include "AliCallf77.h"
4663d63d 74#include "AliConst.h"
75#include "AliPDG.h"
76#include "TLorentzVector.h"
77
78
79ClassImp(AliZDCv2)
4663d63d 80
81//_____________________________________________________________________________
82AliZDCv2::AliZDCv2() : AliZDC()
83{
84 //
85 // Default constructor for Zero Degree Calorimeter
86 //
87
88 fMedSensF1 = 0;
89 fMedSensF2 = 0;
90 fMedSensZN = 0;
91 fMedSensZP = 0;
92 fMedSensZEM = 0;
93 fMedSensGR = 0;
94// fMedSensPI = 0;
95// fMedSensTDI = 0;
96}
97
98//_____________________________________________________________________________
99AliZDCv2::AliZDCv2(const char *name, const char *title)
100 : AliZDC(name,title)
101{
102 //
103 // Standard constructor for Zero Degree Calorimeter
104 //
105 //
106 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
107
108 AliModule* PIPE=gAlice->GetModule("PIPE");
109 AliModule* ABSO=gAlice->GetModule("ABSO");
110 AliModule* DIPO=gAlice->GetModule("DIPO");
111 AliModule* SHIL=gAlice->GetModule("SHIL");
112 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
113 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
114 exit(1);
115 }
116
117 fMedSensF1 = 0;
118 fMedSensF2 = 0;
119 fMedSensZN = 0;
120 fMedSensZP = 0;
121 fMedSensZEM = 0;
122 fMedSensGR = 0;
123// fMedSensPI = 0;
124// fMedSensTDI = 0;
125
126
127 // Parameters for light tables
128 fNalfan = 90; // Number of Alfa (neutrons)
129 fNalfap = 90; // Number of Alfa (protons)
130 fNben = 18; // Number of beta (neutrons)
131 fNbep = 28; // Number of beta (protons)
132 Int_t ip,jp,kp;
133 for(ip=0; ip<4; ip++){
134 for(kp=0; kp<fNalfap; kp++){
135 for(jp=0; jp<fNbep; jp++){
136 fTablep[ip][kp][jp] = 0;
137 }
138 }
139 }
140 Int_t in,jn,kn;
141 for(in=0; in<4; in++){
142 for(kn=0; kn<fNalfan; kn++){
143 for(jn=0; jn<fNben; jn++){
144 fTablen[in][kn][jn] = 0;
145 }
146 }
147 }
148
149 // Parameters for hadronic calorimeters geometry
410749b4 150 fDimZN[0] = 3.52;
151 fDimZN[1] = 3.52;
152 fDimZN[2] = 50.;
4663d63d 153 fDimZP[0] = 11.2;
154 fDimZP[1] = 6.;
155 fDimZP[2] = 75.;
156 fPosZN[0] = 0.;
8cc32cbc 157 fPosZN[1] = 1.2;
4663d63d 158 fPosZN[2] = 11650.;
8cc32cbc 159 fPosZP[0] = -23.9;
4663d63d 160 fPosZP[1] = 0.;
161 fPosZP[2] = 11600.;
162 fFibZN[0] = 0.;
163 fFibZN[1] = 0.01825;
164 fFibZN[2] = 50.;
165 fFibZP[0] = 0.;
166 fFibZP[1] = 0.0275;
167 fFibZP[2] = 75.;
168
169 // Parameters for EM calorimeter geometry
170 fPosZEM[0] = 8.5;
171 fPosZEM[1] = 0.;
410749b4 172// fPosZEM[2] = -830.;
173 fPosZEM[2] = -735.;
8cc32cbc 174 fZEMLength = 0.;
4663d63d 175
4663d63d 176}
177
178//_____________________________________________________________________________
179void AliZDCv2::CreateGeometry()
180{
181 //
182 // Create the geometry for the Zero Degree Calorimeter version 1
183 //* Initialize COMMON block ZDC_CGEOM
184 //*
185
186 CreateBeamLine();
187 CreateZDC();
188}
189
190//_____________________________________________________________________________
191void AliZDCv2::CreateBeamLine()
192{
193
194 Float_t zq, zd1, zd2;
195 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
196 Int_t im1, im2;
197
198 Int_t *idtmed = fIdtmed->GetArray();
199
200 // -- Mother of the ZDCs (Vacuum PCON)
201
202 conpar[0] = 0.;
203 conpar[1] = 360.;
204 conpar[2] = 2.;
c63eb7ab 205 conpar[3] = 2000.;
4663d63d 206 conpar[4] = 0.;
c63eb7ab 207 conpar[5] = 55.;
4663d63d 208 conpar[6] = 13060.;
209 conpar[7] = 0.;
c63eb7ab 210 conpar[8] = 55.;
4663d63d 211 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
212 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
213
214 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
215 // the beginning of D1)
216
217 zd1 = 2000.;
218
219 tubpar[0] = 6.3/2.;
220 tubpar[1] = 6.7/2.;
221 tubpar[2] = 3838.3/2.;
222 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
223 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
224
225 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
226 // beginning of D2)
227
228 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
229 //-- Cylindrical pipe (r = 3.47) + conical flare
230
231 // -> Beginning of D1
232 zd1 += 2.*tubpar[2];
233
234 tubpar[0] = 3.47;
235 tubpar[1] = 3.47+0.2;
236 tubpar[2] = 958.5/2.;
237 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
238 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
239
240 zd1 += 2.*tubpar[2];
241
242 conpar[0] = 25./2.;
243 conpar[1] = 6.44/2.;
244 conpar[2] = 6.84/2.;
245 conpar[3] = 10./2.;
246 conpar[4] = 10.4/2.;
247 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
248 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
249
250 zd1 += 2.*conpar[0];
251
252 tubpar[0] = 10./2.;
253 tubpar[1] = 10.4/2.;
254 tubpar[2] = 50./2.;
255 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
256 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
257
258 zd1 += tubpar[2]*2.;
259
260 tubpar[0] = 10./2.;
261 tubpar[1] = 10.4/2.;
262 tubpar[2] = 10./2.;
263 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
264 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
265
266 zd1 += tubpar[2] * 2.;
267
268 tubpar[0] = 10./2.;
269 tubpar[1] = 10.4/2.;
270 tubpar[2] = 3.16/2.;
271 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
272 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
273
274 zd1 += tubpar[2] * 2.;
275
276 tubpar[0] = 10.0/2.;
277 tubpar[1] = 10.4/2;
278 tubpar[2] = 190./2.;
279 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
280 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
281
282 zd1 += tubpar[2] * 2.;
283
284 conpar[0] = 30./2.;
285 conpar[1] = 10./2.;
286 conpar[2] = 10.4/2.;
287 conpar[3] = 20.6/2.;
288 conpar[4] = 21./2.;
289 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
290 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
291
292 zd1 += conpar[0] * 2.;
293
294 tubpar[0] = 20.6/2.;
295 tubpar[1] = 21./2.;
296 tubpar[2] = 450./2.;
297 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
298 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
299
300 zd1 += tubpar[2] * 2.;
301
302 conpar[0] = 13.6/2.;
303 conpar[1] = 20.6/2.;
304 conpar[2] = 21./2.;
305 conpar[3] = 25.4/2.;
306 conpar[4] = 25.8/2.;
307 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
308 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
309
310 zd1 += conpar[0] * 2.;
311
312 tubpar[0] = 25.4/2.;
313 tubpar[1] = 25.8/2.;
314 tubpar[2] = 205.8/2.;
315 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
316 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
317
318 zd1 += tubpar[2] * 2.;
319
320 tubpar[0] = 50./2.;
321 tubpar[1] = 50.4/2.;
322 // QT09 is 10 cm longer to accomodate TDI
323 tubpar[2] = 515.4/2.;
324 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
325 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
326
327 // --- Insert TDI (inside ZDC volume)
328
329 boxpar[0] = 5.6;
330 boxpar[1] = 5.6;
331 boxpar[2] = 400./2.;
332 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
c63eb7ab 333 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
334 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 335
336 boxpar[0] = 0.2/2.;
337 boxpar[1] = 5.6;
338 boxpar[2] = 400./2.;
339 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
c63eb7ab 340 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 341
6d5d9c06 342// tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
343// tubspar[1] = 6.4;
344// tubspar[2] = 400./2.;
345// tubspar[3] = 180.-62.5;
346// tubspar[4] = 180.+62.5;
347 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
348 tubspar[1] = 10.7;
4663d63d 349 tubspar[2] = 400./2.;
6d5d9c06 350 tubspar[3] = 180.-75.5;
351 tubspar[4] = 180.+75.5;
4663d63d 352 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
c63eb7ab 353 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 354
355 zd1 += tubpar[2] * 2.;
356
357 tubpar[0] = 50./2.;
358 tubpar[1] = 50.4/2.;
359 // QT10 is 10 cm shorter
360 tubpar[2] = 690./2.;
361 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
362 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
363
364 zd1 += tubpar[2] * 2.;
365
366 tubpar[0] = 50./2.;
367 tubpar[1] = 50.4/2.;
368 tubpar[2] = 778.5/2.;
369 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
370 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
371
372 zd1 += tubpar[2] * 2.;
373
374 conpar[0] = 14.18/2.;
375 conpar[1] = 50./2.;
376 conpar[2] = 50.4/2.;
377 conpar[3] = 55./2.;
378 conpar[4] = 55.4/2.;
379 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
380 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
381
382 zd1 += conpar[0] * 2.;
383
384 tubpar[0] = 55./2.;
385 tubpar[1] = 55.4/2.;
386 tubpar[2] = 730./2.;
387 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
388 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
389
390 zd1 += tubpar[2] * 2.;
391
392 conpar[0] = 36.86/2.;
393 conpar[1] = 55./2.;
394 conpar[2] = 55.4/2.;
395 conpar[3] = 68./2.;
396 conpar[4] = 68.4/2.;
397 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
398 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
399
400 zd1 += conpar[0] * 2.;
401
402 tubpar[0] = 68./2.;
403 tubpar[1] = 68.4/2.;
404 tubpar[2] = 927.3/2.;
405 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
406 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
407
408 zd1 += tubpar[2] * 2.;
409
410 tubpar[0] = 0./2.;
411 tubpar[1] = 68.4/2.;
412 tubpar[2] = 0.2/2.;
413 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
414 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
415
416 zd1 += tubpar[2] * 2.;
417
418 tubpar[0] = 0./2.;
419 tubpar[1] = 6.4/2.;
420 tubpar[2] = 0.2/2.;
421 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
422
423 //-- Position QT15 inside QT14
424 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
425
426 tubpar[0] = 0./2.;
427 tubpar[1] = 6.4/2.;
428 tubpar[2] = 0.2/2.;
429 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
430
431 //-- Position QT16 inside QT14
432 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
433
434
435 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
436
437 tubpar[0] = 6.4/2.;
438 tubpar[1] = 6.8/2.;
439 tubpar[2] = 680.8/2.;
440 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
441
442 tubpar[0] = 6.4/2.;
443 tubpar[1] = 6.8/2.;
444 tubpar[2] = 680.8/2.;
445 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
446
447 // -- ROTATE PIPES
448
449 Float_t angle = 0.143*kDegrad;
450
451 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
452 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
453 0., tubpar[2] + zd1, im1, "ONLY");
454
455 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
456 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
457 0., tubpar[2] + zd1, im2, "ONLY");
458
459 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
460
461 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
462 tubpar[0] = 8.0/2.;
463 tubpar[1] = 8.2/2.;
7cc664ae 464 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
4663d63d 465 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
c63eb7ab 466 gMC->Gspos("QT19", 1, "ALIC", 0., 0., zb - tubpar[2], 0, "ONLY");
4663d63d 467
468
469 // -- END OF BEAM PIPE VOLUME DEFINITION.
470 // ----------------------------------------------------------------
471
472 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
473
474 // ----------------------------------------------------------------
475 // Replaced by the muon dipole
476 // ----------------------------------------------------------------
477 // -- COMPENSATOR DIPOLE (MBXW)
478 // GAP (VACUUM WITH MAGNETIC FIELD)
479
480// tubpar[0] = 0.;
481// tubpar[1] = 4.5;
482// tubpar[2] = 340./2.;
483// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
484// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
485
486 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
487
488// tubpar[0] = 4.5;
489// tubpar[1] = 55.;
490// tubpar[2] = 340./2.;
491// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
492// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
493
494 // ----------------------------------------------------------------
495 // Replaced by the second dipole
496 // ----------------------------------------------------------------
497 // -- COMPENSATOR DIPOLE (MCBWA)
498 // GAP (VACUUM WITH MAGNETIC FIELD)
499
500// tubpar[0] = 0.;
501// tubpar[1] = 4.5;
502// tubpar[2] = 170./2.;
503// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
504// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
505
506 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
507
508// tubpar[0] = 4.5;
509// tubpar[1] = 55.;
510// tubpar[2] = 170./2.;
511// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
512// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
513
514 // -- INNER TRIPLET
515
516 zq = 2296.5;
517
518 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
519
520 // MQXL
521 // -- GAP (VACUUM WITH MAGNETIC FIELD)
522
523 tubpar[0] = 0.;
524 tubpar[1] = 3.5;
525 tubpar[2] = 637./2.;
526 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
527
528 // -- YOKE
529
530 tubpar[0] = 3.5;
531 tubpar[1] = 22.;
532 tubpar[2] = 637./2.;
533 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
534
535 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
536 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
537
538 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
539 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
540
541 // -- MQX
542 // -- GAP (VACUUM WITH MAGNETIC FIELD)
543
544 tubpar[0] = 0.;
545 tubpar[1] = 3.5;
546 tubpar[2] = 550./2.;
547 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
548
549 // -- YOKE
550
551 tubpar[0] = 3.5;
552 tubpar[1] = 22.;
553 tubpar[2] = 550./2.;
554 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
555
556 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
557 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
558
559 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
560 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
561
562 // -- SEPARATOR DIPOLE D1
563
564 zd1 = 5838.3;
565
566 // -- GAP (VACUUM WITH MAGNETIC FIELD)
567
568 tubpar[0] = 0.;
569 tubpar[1] = 6.94/2.;
570 tubpar[2] = 945./2.;
571 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
572
573 // -- Insert horizontal Cu plates inside D1
574 // -- (to simulate the vacuum chamber)
575
576 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
577 boxpar[1] = 0.2/2.;
578 boxpar[2] =945./2.;
579 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
580 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
581 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
582
583 // -- YOKE
584
585 tubpar[0] = 0.;
586 tubpar[1] = 110./2;
587 tubpar[2] = 945./2.;
588 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
589
590 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
591 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
592
593 // -- DIPOLE D2
594
595 zd2 = 12147.6;
596
597 // -- GAP (VACUUM WITH MAGNETIC FIELD)
598
599 tubpar[0] = 0.;
600 tubpar[1] = 7.5/2.;
601 tubpar[2] = 945./2.;
602 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
603
604 // -- YOKE
605
606 tubpar[0] = 0.;
607 tubpar[1] = 55.;
608 tubpar[2] = 945./2.;
609 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
610
611 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
612
613 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
614 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
615
616 // -- END OF MAGNET DEFINITION
617}
618
619//_____________________________________________________________________________
620void AliZDCv2::CreateZDC()
621{
622
623 Float_t DimPb[6], DimVoid[6];
624
625 Int_t *idtmed = fIdtmed->GetArray();
626
627 // Parameters for hadronic calorimeters geometry
628 // NB -> parameters used ONLY in CreateZDC()
4663d63d 629 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
630 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
631 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
632 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
633 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
634 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
635
636 // Parameters for EM calorimeter geometry
637 // NB -> parameters used ONLY in CreateZDC()
638 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
639 Float_t fDimZEMAir = 0.001; // scotch
640 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
641 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
642 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
8cc32cbc 643 fZEMLength = fDimZEM0;
4663d63d 644 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
645 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
646 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
647
648
649 //-- Create calorimeters geometry
650
651 // -------------------------------------------------------------------------------
652 //--> Neutron calorimeter (ZN)
653
654 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
655 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
656 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
657 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
658 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
659 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
660 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
661 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
662 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
663
664 // Divide ZNEU in towers (for hits purposes)
665
666 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
667 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
668
669 //-- Divide ZN1 in minitowers
670 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
671 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
672 // (4 fibres per minitower)
673
674 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
675 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
676
677 // --- Position the empty grooves in the sticks (4 grooves per stick)
678 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
679 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
680
681 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
682 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
683 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
684 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
685
686 // --- Position the fibers in the grooves
687 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
688 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
689 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
690 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
691
692 // --- Position the neutron calorimeter in ZDC
693 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
694
695
696 // -------------------------------------------------------------------------------
697 //--> Proton calorimeter (ZP)
698
699 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
700 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
701 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
702 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
703 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
704 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
705 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
706 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
707 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
708
709 //-- Divide ZPRO in towers(for hits purposes)
710
711 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
712 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
713
714
715 //-- Divide ZP1 in minitowers
716 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
717 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
718 // (4 fiber per minitower)
719
720 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
721 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
722
723 // --- Position the empty grooves in the sticks (4 grooves per stick)
724 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
725 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
726
727 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
728 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
729 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
730 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
731
732 // --- Position the fibers in the grooves
733 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
734 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
735 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
736 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
737
738
739 // --- Position the proton calorimeter in ZDC
740 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
741
742
743 // -------------------------------------------------------------------------------
744 // -> EM calorimeter (ZEM)
745
746 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
747
748 Int_t irot1, irot2;
749
750 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
751 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
752// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
753
754 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
755
756 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
757
758 DimPb[0] = fDimZEMPb; // Lead slices
759 DimPb[1] = fDimZEM[2];
760 DimPb[2] = fDimZEM[1];
761 DimPb[3] = 90.-fDimZEM[3];
762 DimPb[4] = 0.;
763 DimPb[5] = 0.;
764 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
765 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
766// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
767
768 // --- Position the lead slices in the tranche
769 Float_t zTran = fDimZEM[0]/fDivZEM[2];
770 Float_t zTrPb = -zTran+fDimZEMPb;
771 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
772 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
773
774 // --- Vacuum zone (to be filled with fibres)
775 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
776 DimVoid[1] = fDimZEM[2];
777 DimVoid[2] = fDimZEM[1];
778 DimVoid[3] = 90.-fDimZEM[3];
779 DimVoid[4] = 0.;
780 DimVoid[5] = 0.;
781 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
782 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
783
784 // --- Divide the vacuum slice into sticks along x axis
785 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
786 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
787
788 // --- Positioning the fibers into the sticks
789 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
790 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
791
792 // --- Positioning the vacuum slice into the tranche
793 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
794 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
795 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
796
797 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
c63eb7ab 798 // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
799 // beacause it's impossible to make a ZDC pcon volume to contain
800 // both hadronics and EM calorimeters. (It causes many tracks abandoning).
801 gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
4663d63d 802
410749b4 803 // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe)
804 gMC->Gspos("ZEM ", 2,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
805
4663d63d 806 // --- Adding last slice at the end of the EM calorimeter
807// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
c63eb7ab 808// gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
4663d63d 809
810}
811
812//_____________________________________________________________________________
813void AliZDCv2::DrawModule()
814{
815 //
816 // Draw a shaded view of the Zero Degree Calorimeter version 1
817 //
818
819 // Set everything unseen
820 gMC->Gsatt("*", "seen", -1);
821 //
822 // Set ALIC mother transparent
823 gMC->Gsatt("ALIC","SEEN",0);
824 //
825 // Set the volumes visible
826 gMC->Gsatt("ZDC ","SEEN",0);
827 gMC->Gsatt("QT01","SEEN",1);
828 gMC->Gsatt("QT02","SEEN",1);
829 gMC->Gsatt("QT03","SEEN",1);
830 gMC->Gsatt("QT04","SEEN",1);
831 gMC->Gsatt("QT05","SEEN",1);
832 gMC->Gsatt("QT06","SEEN",1);
833 gMC->Gsatt("QT07","SEEN",1);
834 gMC->Gsatt("QT08","SEEN",1);
835 gMC->Gsatt("QT09","SEEN",1);
836 gMC->Gsatt("QT10","SEEN",1);
837 gMC->Gsatt("QT11","SEEN",1);
838 gMC->Gsatt("QT12","SEEN",1);
839 gMC->Gsatt("QT13","SEEN",1);
840 gMC->Gsatt("QT14","SEEN",1);
841 gMC->Gsatt("QT15","SEEN",1);
842 gMC->Gsatt("QT16","SEEN",1);
843 gMC->Gsatt("QT17","SEEN",1);
844 gMC->Gsatt("QT18","SEEN",1);
845 gMC->Gsatt("QC01","SEEN",1);
846 gMC->Gsatt("QC02","SEEN",1);
847 gMC->Gsatt("QC03","SEEN",1);
848 gMC->Gsatt("QC04","SEEN",1);
849 gMC->Gsatt("QC05","SEEN",1);
850 gMC->Gsatt("QTD1","SEEN",1);
851 gMC->Gsatt("QTD2","SEEN",1);
852 gMC->Gsatt("QTD3","SEEN",1);
853 gMC->Gsatt("MQXL","SEEN",1);
854 gMC->Gsatt("YMQL","SEEN",1);
855 gMC->Gsatt("MQX ","SEEN",1);
856 gMC->Gsatt("YMQ ","SEEN",1);
857 gMC->Gsatt("ZQYX","SEEN",1);
858 gMC->Gsatt("MD1 ","SEEN",1);
859 gMC->Gsatt("MD1V","SEEN",1);
860 gMC->Gsatt("YD1 ","SEEN",1);
861 gMC->Gsatt("MD2 ","SEEN",1);
862 gMC->Gsatt("YD2 ","SEEN",1);
863 gMC->Gsatt("ZNEU","SEEN",0);
864 gMC->Gsatt("ZNF1","SEEN",0);
865 gMC->Gsatt("ZNF2","SEEN",0);
866 gMC->Gsatt("ZNF3","SEEN",0);
867 gMC->Gsatt("ZNF4","SEEN",0);
868 gMC->Gsatt("ZNG1","SEEN",0);
869 gMC->Gsatt("ZNG2","SEEN",0);
870 gMC->Gsatt("ZNG3","SEEN",0);
871 gMC->Gsatt("ZNG4","SEEN",0);
872 gMC->Gsatt("ZNTX","SEEN",0);
873 gMC->Gsatt("ZN1 ","COLO",4);
874 gMC->Gsatt("ZN1 ","SEEN",1);
875 gMC->Gsatt("ZNSL","SEEN",0);
876 gMC->Gsatt("ZNST","SEEN",0);
877 gMC->Gsatt("ZPRO","SEEN",0);
878 gMC->Gsatt("ZPF1","SEEN",0);
879 gMC->Gsatt("ZPF2","SEEN",0);
880 gMC->Gsatt("ZPF3","SEEN",0);
881 gMC->Gsatt("ZPF4","SEEN",0);
882 gMC->Gsatt("ZPG1","SEEN",0);
883 gMC->Gsatt("ZPG2","SEEN",0);
884 gMC->Gsatt("ZPG3","SEEN",0);
885 gMC->Gsatt("ZPG4","SEEN",0);
886 gMC->Gsatt("ZPTX","SEEN",0);
887 gMC->Gsatt("ZP1 ","COLO",6);
888 gMC->Gsatt("ZP1 ","SEEN",1);
889 gMC->Gsatt("ZPSL","SEEN",0);
890 gMC->Gsatt("ZPST","SEEN",0);
891 gMC->Gsatt("ZEM ","COLO",7);
892 gMC->Gsatt("ZEM ","SEEN",1);
893 gMC->Gsatt("ZEMF","SEEN",0);
894 gMC->Gsatt("ZETR","SEEN",0);
895 gMC->Gsatt("ZEL0","SEEN",0);
896 gMC->Gsatt("ZEL1","SEEN",0);
897 gMC->Gsatt("ZEL2","SEEN",0);
898 gMC->Gsatt("ZEV0","SEEN",0);
899 gMC->Gsatt("ZEV1","SEEN",0);
900 gMC->Gsatt("ZES0","SEEN",0);
901 gMC->Gsatt("ZES1","SEEN",0);
902
903 //
904 gMC->Gdopt("hide", "on");
905 gMC->Gdopt("shad", "on");
906 gMC->Gsatt("*", "fill", 7);
907 gMC->SetClipBox(".");
908 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
909 gMC->DefaultRange();
910 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
911 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
912 gMC->Gdman(18, 4, "MAN");
913}
914
915//_____________________________________________________________________________
916void AliZDCv2::CreateMaterials()
917{
918 //
919 // Create Materials for the Zero Degree Calorimeter
920 //
921
922 Int_t *idtmed = fIdtmed->GetArray();
923
924 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
925 Int_t i;
926
927 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
928
929 // --- Tantalum -> ZN passive material
930 ubuf[0] = 1.1;
931 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
932
933 // --- Tungsten
934// ubuf[0] = 1.11;
935// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
936
937 // --- Brass (CuZn) -> ZP passive material
938 dens = 8.48;
939 a[0] = 63.546;
940 a[1] = 65.39;
941 z[0] = 29.;
942 z[1] = 30.;
943 wmat[0] = .63;
944 wmat[1] = .37;
945 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
946
947 // --- SiO2
948 dens = 2.64;
949 a[0] = 28.086;
950 a[1] = 15.9994;
951 z[0] = 14.;
952 z[1] = 8.;
953 wmat[0] = 1.;
954 wmat[1] = 2.;
955 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
956
957 // --- Lead
958 ubuf[0] = 1.12;
959 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
960
961 // --- Copper
962 ubuf[0] = 1.10;
963 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
964
965 // --- Iron (energy loss taken into account)
966 ubuf[0] = 1.1;
967 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
968
969 // --- Iron (no energy loss)
970 ubuf[0] = 1.1;
971 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
972
973 // --- Vacuum (no magnetic field)
974 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
975
976 // --- Vacuum (with magnetic field)
977 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
978
979 // --- Air (no magnetic field)
980 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
981
982 // --- Definition of tracking media:
983
984 // --- Tantalum = 1 ;
985 // --- Brass = 2 ;
986 // --- Fibers (SiO2) = 3 ;
987 // --- Fibers (SiO2) = 4 ;
988 // --- Lead = 5 ;
989 // --- Copper = 6 ;
990 // --- Iron (with energy loss) = 7 ;
991 // --- Iron (without energy loss) = 8 ;
992 // --- Vacuum (no field) = 10
993 // --- Vacuum (with field) = 11
994 // --- Air (no field) = 12
995
996
997 // --- Tracking media parameters
998 Float_t epsil = .01, stmin=0.01, stemax = 1.;
7cc664ae 999// Int_t isxfld = gAlice->Field()->Integ();
4663d63d 1000 Float_t fieldm = 0., tmaxfd = 0.;
1001 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
1002
1003 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1004// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1005 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1006 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1007 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1008 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1009// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1010// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1011 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1012 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1013 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1014 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1015 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1016
1017 ifield =2;
1018 fieldm = 45.;
7cc664ae 1019 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
4663d63d 1020
1021 // Thresholds for showering in the ZDCs
1022 i = 1; //tantalum
1023 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1024 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1025 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1026 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1027 i = 2; //brass
1028 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1029 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1030 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1031 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1032 i = 5; //lead
1033 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1034 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1035 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1036 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1037
1038 // Avoid too detailed showering in TDI
1039 i = 6; //copper
1040 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1041 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1042 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1043 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1044
1045 // Avoid too detailed showering along the beam line
1046 i = 7; //iron with energy loss (ZIRON)
1047 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1048 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1049 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1050 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1051
1052 // Avoid too detailed showering along the beam line
1053 i = 8; //iron with energy loss (ZIRONN)
1054 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1055 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1056 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1057 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1058
1059 // Avoid interaction in fibers (only energy loss allowed)
1060 i = 3; //fibers (ZSI02)
1061 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1062 gMC->Gstpar(idtmed[i], "MULS", 0.);
1063 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1064 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1065 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1066 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1067 gMC->Gstpar(idtmed[i], "COMP", 0.);
1068 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1069 gMC->Gstpar(idtmed[i], "BREM", 0.);
1070 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1071 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1072 gMC->Gstpar(idtmed[i], "HADR", 0.);
1073 i = 4; //fibers (ZQUAR)
1074 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1075 gMC->Gstpar(idtmed[i], "MULS", 0.);
1076 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1077 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1078 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1079 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1080 gMC->Gstpar(idtmed[i], "COMP", 0.);
1081 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1082 gMC->Gstpar(idtmed[i], "BREM", 0.);
1083 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1084 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1085 gMC->Gstpar(idtmed[i], "HADR", 0.);
1086
1087 // Avoid interaction in void
1088 i = 11; //void with field
1089 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1090 gMC->Gstpar(idtmed[i], "MULS", 0.);
1091 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1092 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1093 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1094 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1095 gMC->Gstpar(idtmed[i], "COMP", 0.);
1096 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1097 gMC->Gstpar(idtmed[i], "BREM", 0.);
1098 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1099 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1100 gMC->Gstpar(idtmed[i], "HADR", 0.);
1101
1102 //
1103 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1104 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1105 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1106 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1107 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1108// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1109// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1110 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1111}
1112
1113//_____________________________________________________________________________
1114void AliZDCv2::Init()
1115{
1116 InitTables();
1117}
1118
1119//_____________________________________________________________________________
1120void AliZDCv2::InitTables()
1121{
1122 Int_t k, j;
1123
1124 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1125 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1126 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1127
1128 // --- Reading light tables for ZN
1129 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1130 if((fp1 = fopen(lightfName1,"r")) == NULL){
1131 printf("Cannot open file fp1 \n");
1132 return;
1133 }
1134 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1135 if((fp2 = fopen(lightfName2,"r")) == NULL){
1136 printf("Cannot open file fp2 \n");
1137 return;
1138 }
1139 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1140 if((fp3 = fopen(lightfName3,"r")) == NULL){
1141 printf("Cannot open file fp3 \n");
1142 return;
1143 }
1144 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1145 if((fp4 = fopen(lightfName4,"r")) == NULL){
1146 printf("Cannot open file fp4 \n");
1147 return;
1148 }
1149
1150 for(k=0; k<fNalfan; k++){
1151 for(j=0; j<fNben; j++){
1152 fscanf(fp1,"%f",&fTablen[0][k][j]);
1153 fscanf(fp2,"%f",&fTablen[1][k][j]);
1154 fscanf(fp3,"%f",&fTablen[2][k][j]);
1155 fscanf(fp4,"%f",&fTablen[3][k][j]);
1156 }
1157 }
1158 fclose(fp1);
1159 fclose(fp2);
1160 fclose(fp3);
1161 fclose(fp4);
1162
1163 // --- Reading light tables for ZP and ZEM
1164 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1165 if((fp5 = fopen(lightfName5,"r")) == NULL){
1166 printf("Cannot open file fp5 \n");
1167 return;
1168 }
1169 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1170 if((fp6 = fopen(lightfName6,"r")) == NULL){
1171 printf("Cannot open file fp6 \n");
1172 return;
1173 }
1174 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1175 if((fp7 = fopen(lightfName7,"r")) == NULL){
1176 printf("Cannot open file fp7 \n");
1177 return;
1178 }
1179 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1180 if((fp8 = fopen(lightfName8,"r")) == NULL){
1181 printf("Cannot open file fp8 \n");
1182 return;
1183 }
1184
1185 for(k=0; k<fNalfap; k++){
1186 for(j=0; j<fNbep; j++){
1187 fscanf(fp5,"%f",&fTablep[0][k][j]);
1188 fscanf(fp6,"%f",&fTablep[1][k][j]);
1189 fscanf(fp7,"%f",&fTablep[2][k][j]);
1190 fscanf(fp8,"%f",&fTablep[3][k][j]);
1191 }
1192 }
1193 fclose(fp5);
1194 fclose(fp6);
1195 fclose(fp7);
1196 fclose(fp8);
1197}
4663d63d 1198//_____________________________________________________________________________
1199void AliZDCv2::StepManager()
1200{
1201 //
1202 // Routine called at every step in the Zero Degree Calorimeters
1203 //
1204
1205 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1206 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
8cc32cbc 1207 Float_t xalic[3], z, GuiEff, GuiPar[4]={0.31,-0.0004,0.0197,0.7958};
4663d63d 1208 TLorentzVector s, p;
1209 const char *knamed;
1210
1211 for (j=0;j<10;j++) hits[j]=0;
1212
1213 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1214 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1215 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
8cc32cbc 1216
1217// --- This part is for no shower developement in beam pipe and TDI
4663d63d 1218// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1219
1220 // If particle interacts with beam pipe -> return
1221// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1222 // If option NoShower is set -> StopTrack
1223// if(fNoShower==1) {
1224// if(gMC->GetMedium() == fMedSensPI) {
1225// knamed = gMC->CurrentVolName();
1226// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1227// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1228// }
1229// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1230// gMC->StopTrack();
1231// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1232// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1233// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
4663d63d 1234// }
7cc664ae 1235// return;
4663d63d 1236// }
1237
1238 //Particle coordinates
1239 gMC->TrackPosition(s);
1240 for(j=0; j<=2; j++){
1241 x[j] = s[j];
1242 }
1243 hits[0] = x[0];
1244 hits[1] = x[1];
1245 hits[2] = x[2];
1246
1247 // Determine in which ZDC the particle is
1248 knamed = gMC->CurrentVolName();
8cc32cbc 1249 if(!strncmp(knamed,"ZN",2)){
1250 vol[0]=1;
1251 }
1252 else if(!strncmp(knamed,"ZP",2)){
1253 vol[0]=2;
1254 }
1255 else if(!strncmp(knamed,"ZE",2)){
1256 vol[0]=3;
1257 }
4663d63d 1258
1259 // Determine in which quadrant the particle is
8cc32cbc 1260
1261 if(vol[0]==1){ //Quadrant in ZN
410749b4 1262 // Calculating particle coordinates inside ZN
4663d63d 1263 xdet[0] = x[0]-fPosZN[0];
1264 xdet[1] = x[1]-fPosZN[1];
410749b4 1265 // Calculating quadrant in ZN
1266 if(xdet[0]<=0.){
1267 if(xdet[1]>=0.) vol[1]=1;
1268 else if(xdet[1]<0.) vol[1]=3;
1269 }
1270 else if(xdet[0]>0.){
1271 if(xdet[1]>=0.) vol[1]=2;
1272 else if(xdet[1]<0.) vol[1]=4;
1273 }
1274 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1275 printf("\n StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f,"
1276 "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]);
4663d63d 1277 }
410749b4 1278
8cc32cbc 1279 else if(vol[0]==2){ //Quadrant in ZP
410749b4 1280 // Calculating particle coordinates inside ZP
4663d63d 1281 xdet[0] = x[0]-fPosZP[0];
1282 xdet[1] = x[1]-fPosZP[1];
410749b4 1283 if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01;
1284 if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01;
1285 // Calculating tower in ZP
1286 Float_t xqZP = xdet[0]/(fDimZP[0]/2.);
4663d63d 1287 for(int i=1; i<=4; i++){
1288 if(xqZP>=(i-3) && xqZP<(i-2)){
1289 vol[1] = i;
1290 break;
1291 }
1292 }
410749b4 1293 if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4))
1294 printf(" StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f,"
1295 "xdet[1] = %f",vol[1], xdet[0], xdet[1]);
4663d63d 1296 }
410749b4 1297
1298 // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm)
1299 // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm)
1300 else if(vol[0] == 3){
1301 if(x[0]>0.){
1302 vol[1] = 1;
1303 // Particle x-coordinate inside ZEM1
1304 xdet[0] = x[0]-fPosZEM[0];
1305 }
1306 else{
1307 vol[1] = 2;
1308 // Particle x-coordinate inside ZEM2
1309 xdet[0] = x[0]+fPosZEM[0];
1310 }
4663d63d 1311 xdet[1] = x[1]-fPosZEM[1];
1312 }
1313
1314 // Store impact point and kinetic energy of the ENTERING particle
1315
1316// if(Curtrack==Prim){
1317 if(gMC->IsTrackEntering()){
1318 //Particle energy
1319 gMC->TrackMomentum(p);
1320 hits[3] = p[3];
1321 // Impact point on ZDC
1322 hits[4] = xdet[0];
1323 hits[5] = xdet[1];
1324 hits[6] = 0;
1325 hits[7] = 0;
1326 hits[8] = 0;
1327 hits[9] = 0;
1328
1329// Int_t PcID = gMC->TrackPid();
1330// printf("Pc ID -> %d\n",PcID);
1331 AddHit(gAlice->CurrentTrack(), vol, hits);
1332
1333 if(fNoShower==1){
1334// fpDetected += 1;
1335 gMC->StopTrack();
1336// printf("\n # of detected p = %d\n",fpDetected);
1337 return;
1338 }
1339 }
1340// } // Curtrack IF
1341
1342 // Charged particles -> Energy loss
1343 if((destep=gMC->Edep())){
1344 if(gMC->IsTrackStop()){
1345 gMC->TrackMomentum(p);
1346 m = gMC->TrackMass();
1347 ekin = p[3]-m;
1348 hits[9] = ekin;
1349 hits[7] = 0.;
1350 hits[8] = 0.;
1351 AddHit(gAlice->CurrentTrack(), vol, hits);
1352 }
1353 else{
1354 hits[9] = destep;
1355 hits[7] = 0.;
1356 hits[8] = 0.;
1357 AddHit(gAlice->CurrentTrack(), vol, hits);
1358 }
1359// printf(" Dep. E = %f \n",hits[9]);
1360 }
1361 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1362
1363
1364 // *** Light production in fibres
1365 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1366
1367 //Select charged particles
1368 if((destep=gMC->Edep())){
1369
1370 // Particle velocity
410749b4 1371 Float_t beta = 0.;
4663d63d 1372 gMC->TrackMomentum(p);
1373 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
410749b4 1374 if(p[3] > 0.00001) beta = ptot/p[3];
1375 else return;
8cc32cbc 1376 if(beta<0.67){
1377 return;
1378 }
1379 else if((beta>=0.67) && (beta<=0.75)){
1380 ibeta = 0;
1381 }
1382 if((beta>0.75) && (beta<=0.85)){
1383 ibeta = 1;
1384 }
1385 if((beta>0.85) && (beta<=0.95)){
1386 ibeta = 2;
1387 }
1388 if(beta>0.95){
1389 ibeta = 3;
1390 }
4663d63d 1391
1392 // Angle between particle trajectory and fibre axis
1393 // 1 -> Momentum directions
1394 um[0] = p[0]/ptot;
1395 um[1] = p[1]/ptot;
1396 um[2] = p[2]/ptot;
1397 gMC->Gmtod(um,ud,2);
1398 // 2 -> Angle < limit angle
1399 Double_t alfar = TMath::ACos(ud[2]);
1400 Double_t alfa = alfar*kRaddeg;
1401 if(alfa>=110.) return;
1402 ialfa = Int_t(1.+alfa/2.);
1403
1404 // Distance between particle trajectory and fibre axis
1405 gMC->TrackPosition(s);
1406 for(j=0; j<=2; j++){
1407 x[j] = s[j];
1408 }
1409 gMC->Gmtod(x,xdet,1);
1410 if(TMath::Abs(ud[0])>0.00001){
1411 Float_t dcoeff = ud[1]/ud[0];
1412 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1413 }
1414 else{
1415 be = TMath::Abs(ud[0]);
1416 }
1417
8cc32cbc 1418 if((vol[0]==1)){
1419 radius = fFibZN[1];
1420 }
1421 else if((vol[0]==2)){
1422 radius = fFibZP[1];
1423 }
4663d63d 1424 ibe = Int_t(be*1000.+1);
1425
1426 //Looking into the light tables
1427 Float_t charge = gMC->TrackCharge();
1428
8cc32cbc 1429 if((vol[0]==1)) { // (1) ZN fibres
4663d63d 1430 if(ibe>fNben) ibe=fNben;
1431 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1432 nphe = gRandom->Poisson(out);
1433// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1434// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1435 if(gMC->GetMedium() == fMedSensF1){
1436 hits[7] = nphe; //fLightPMQ
1437 hits[8] = 0;
1438 hits[9] = 0;
1439 AddHit(gAlice->CurrentTrack(), vol, hits);
1440 }
1441 else{
1442 hits[7] = 0;
1443 hits[8] = nphe; //fLightPMC
1444 hits[9] = 0;
1445 AddHit(gAlice->CurrentTrack(), vol, hits);
1446 }
1447 }
8cc32cbc 1448 else if((vol[0]==2)) { // (2) ZP fibres
4663d63d 1449 if(ibe>fNbep) ibe=fNbep;
1450 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1451 nphe = gRandom->Poisson(out);
1452// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1453// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1454 if(gMC->GetMedium() == fMedSensF1){
1455 hits[7] = nphe; //fLightPMQ
1456 hits[8] = 0;
1457 hits[9] = 0;
1458 AddHit(gAlice->CurrentTrack(), vol, hits);
1459 }
1460 else{
1461 hits[7] = 0;
1462 hits[8] = nphe; //fLightPMC
1463 hits[9] = 0;
1464 AddHit(gAlice->CurrentTrack(), vol, hits);
1465 }
1466 }
8cc32cbc 1467 else if((vol[0]==3)) { // (3) ZEM fibres
4663d63d 1468 if(ibe>fNbep) ibe=fNbep;
1469 out = charge*charge*fTablep[ibeta][ialfa][ibe];
8cc32cbc 1470 gMC->TrackPosition(s);
1471 for(j=0; j<=2; j++){
1472 xalic[j] = s[j];
1473 }
1474 // z-coordinate from ZEM front face
1475 // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm
1476 z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1];
1477// z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad));
1478// printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength);
1479 GuiEff = GuiPar[0]*(GuiPar[1]*z*z+GuiPar[2]*z+GuiPar[3]);
1480// printf("\n xalic[0] = %f xalic[1] = %f xalic[2] = %f z = %f \n",
1481// xalic[0],xalic[1],xalic[2],z);
1482 out = out*GuiEff;
4663d63d 1483 nphe = gRandom->Poisson(out);
8cc32cbc 1484// printf(" out*GuiEff = %f nphe = %d", out, nphe);
4663d63d 1485// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1486// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
410749b4 1487 if(vol[1] == 1){
1488 hits[7] = 0;
1489 hits[8] = nphe; //fLightPMC (ZEM1)
1490 hits[9] = 0;
1491 AddHit(gAlice->CurrentTrack(), vol, hits);
1492 }
1493 else{
1494 hits[7] = nphe; //fLightPMQ (ZEM2)
1495 hits[8] = 0;
1496 hits[9] = 0;
1497 AddHit(gAlice->CurrentTrack(), vol, hits);
1498 }
4663d63d 1499 }
1500 }
1501 }
1502}