Remove first corrector dipole and introduce digitization
[u/mrichter/AliRoot.git] / ZDC / AliZDCv1.cxx
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68ca986e 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$Log$
5ce39387 18Revision 1.6 2000/11/22 11:33:10 coppedis
19Major code revision
20
866ab5a2 21Revision 1.5 2000/10/02 21:28:20 fca
22Removal of useless dependecies via forward declarations
23
24Revision 1.3.2.1 2000/08/24 09:25:47 hristov
25Patch by P.Hristov: Bug in ZDC geometry corrected by E.Scomparin
26
94de3818 27Revision 1.4 2000/08/24 09:23:59 hristov
28Bug in ZDC geometry corrected by E.Scomparin
29
0500bdfc 30Revision 1.3 2000/07/12 06:59:16 fca
31Fixing dimension of hits array
32
366ff5c2 33Revision 1.2 2000/07/11 11:12:34 fca
34Some syntax corrections for non standard HP aCC
35
c0ceba4c 36Revision 1.1 2000/07/10 13:58:01 fca
37New version of ZDC from E.Scomparin & C.Oppedisano
38
68ca986e 39Revision 1.7 2000/01/19 17:17:40 fca
40
41Revision 1.6 1999/09/29 09:24:35 fca
42Introduction of the Copyright and cvs Log
43
44*/
45
46///////////////////////////////////////////////////////////////////////////////
47// //
48// Zero Degree Calorimeter //
866ab5a2 49// This class contains the basic functions for the ZDC //
50// Functions specific to one particular geometry are //
68ca986e 51// contained in the derived classes //
52// //
53///////////////////////////////////////////////////////////////////////////////
54
5ce39387 55// --- ROOT system
68ca986e 56#include <TBRIK.h>
57#include <TNode.h>
58#include <TMath.h>
5ce39387 59#include <TRandom.h>
866ab5a2 60#include <TSystem.h>
5ce39387 61#include <TTree.h>
68ca986e 62
63#include "stdio.h"
5ce39387 64
65// --- AliRoot classes
68ca986e 66#include "AliZDCv1.h"
5ce39387 67#include "AliZDCHit.h"
68#include "AliZDCDigit.h"
68ca986e 69#include "AliRun.h"
5ce39387 70#include "AliDetector.h"
94de3818 71#include "AliMagF.h"
68ca986e 72#include "AliMC.h"
73#include "AliCallf77.h"
74#include "AliConst.h"
75#include "AliPDG.h"
5ce39387 76#include "TLorentzVector.h"
68ca986e 77
78
79ClassImp(AliZDCv1)
80
81
82///////////////////////////////////////////////////////////////////////////////
83// //
84// Zero Degree Calorimeter version 1 //
85// //
86///////////////////////////////////////////////////////////////////////////////
87
88//_____________________________________________________________________________
89AliZDCv1::AliZDCv1() : AliZDC()
90{
91 //
92 // Default constructor for Zero Degree Calorimeter
93 //
5ce39387 94
866ab5a2 95 fMedSensF1 = 0;
96 fMedSensF2 = 0;
97 fMedSensZN = 0;
98 fMedSensZP = 0;
99 fMedSensGR = 0;
100 fMedSensZEM = 0;
101 fMedSensPI = 0;
102 fNoShower = 0;
68ca986e 103}
104
105//_____________________________________________________________________________
106AliZDCv1::AliZDCv1(const char *name, const char *title)
107 : AliZDC(name,title)
108{
109 //
110 // Standard constructor for Zero Degree Calorimeter
111 //
5ce39387 112
113 fDigits = new TClonesArray("AliZDCDigit",1000);
114
866ab5a2 115 fMedSensF1 = 0;
116 fMedSensF2 = 0;
117 fMedSensZN = 0;
118 fMedSensZP = 0;
119 fMedSensGR = 0;
120 fMedSensZEM = 0;
121 fMedSensPI = 0;
122 fNoShower = 0;
68ca986e 123}
124
125//_____________________________________________________________________________
126void AliZDCv1::CreateGeometry()
127{
128 //
129 // Create the geometry for the Zero Degree Calorimeter version 1
130 //* Initialize COMMON block ZDC_CGEOM
131 //*
132
133 CreateBeamLine();
134 CreateZDC();
135}
136
137//_____________________________________________________________________________
138void AliZDCv1::CreateBeamLine()
139{
140
141 Float_t angle;
142 Float_t zq, conpar[9], elpar[3], tubpar[3];
143 Int_t im1, im2;
144 Float_t zd1, zd2;
145
146
147 Int_t *idtmed = fIdtmed->GetArray();
148
149 // -- Mother of the ZDC
150
151 conpar[0] = 0.;
152 conpar[1] = 360.;
153 conpar[2] = 2.;
0500bdfc 154 conpar[3] = 805.;
68ca986e 155 conpar[4] = 0.;
156 conpar[5] = 55.;
157 conpar[6] = 13060.;
158 conpar[7] = 0.;
159 conpar[8] = 55.;
160 gMC->Gsvolu("ZDC ", "PCON", idtmed[10], conpar, 9);
161 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
162
163 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
164 // beginning of D1)
165
166 zd1 = 1921.6;
167
168 tubpar[0] = 6.3/2.;
169 tubpar[1] = 6.7/2.;
170 tubpar[2] = 3916.7/2.;
171 gMC->Gsvolu("P001", "TUBE", idtmed[5], tubpar, 3);
172 gMC->Gspos("P001", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
173
174 //-- SECOND SECTION OF THE BEAM PIPE (FROM THE END OF D1 TO THE BEGINNING OF
175 // D2)
176
177 //-- FROM MAGNETIC BEGINNING OG D1 TO MAGNETIC END OF D1 + 23.5 cm
178 //-- Elliptic pipe
179
180 zd1 = 6310.8-472.5;
181
182 elpar[0] = 6.84/2.;
183 elpar[1] = 5.86/2.;
184 elpar[2] = 945./2.;
866ab5a2 185// gMC->Gsvolu("E001", "ELTU", idtmed[5], elpar, 3);
186// gMC->Gspos("E001", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY");
187//
68ca986e 188 elpar[0] = 6.44/2.;
189 elpar[1] = 5.46/2.;
190 elpar[2] = 945./2.;
866ab5a2 191// gMC->Gsvolu("E002", "ELTU", idtmed[10], elpar, 3);
192// gMC->Gspos("E002", 1, "E001", 0., 0., 0., 0, "ONLY");
68ca986e 193
194 zd1 += 2.*elpar[2];
195
196 elpar[0] = 6.84/2.;
197 elpar[1] = 5.86/2.;
198 elpar[2] = 13.5/2.;
866ab5a2 199// gMC->Gsvolu("E003", "ELTU", idtmed[5], elpar, 3);
200// gMC->Gspos("E002", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY");
68ca986e 201
202 elpar[0] = 6.44/2.;
203 elpar[1] = 5.46/2.;
204 elpar[2] = 13.5/2.;
866ab5a2 205// gMC->Gsvolu("E004", "ELTU", idtmed[10], elpar, 3);
206// gMC->Gspos("E004", 1, "E003", 0., 0., 0., 0, "ONLY");
68ca986e 207
208 zd1 += 2.*elpar[2];
209
210 conpar[0] = 25./2.;
211 conpar[1] = 6.44/2.;
212 conpar[2] = 6.84/2.;
213 conpar[3] = 10./2.;
214 conpar[4] = 10.4/2.;
215 gMC->Gsvolu("C001", "CONE", idtmed[5], conpar, 5);
216 gMC->Gspos("C001", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
217
218 zd1 += 2.*conpar[0];
219
220 tubpar[0] = 10./2.;
221 tubpar[1] = 10.4/2.;
222 tubpar[2] = 50./2.;
223 gMC->Gsvolu("P002", "TUBE", idtmed[5], tubpar, 3);
224 gMC->Gspos("P002", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
225
226 zd1 += tubpar[2] * 2.;
227
228 tubpar[0] = 10./2.;
229 tubpar[1] = 10.4/2.;
230 tubpar[2] = 10./2.;
231 gMC->Gsvolu("P003", "TUBE", idtmed[5], tubpar, 3);
232 gMC->Gspos("P003", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
233
234 zd1 += tubpar[2] * 2.;
235
236 tubpar[0] = 10./2.;
237 tubpar[1] = 10.4/2.;
238 tubpar[2] = 3.16/2.;
239 gMC->Gsvolu("P004", "TUBE", idtmed[5], tubpar, 3);
240 gMC->Gspos("P004", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
241
242 zd1 += tubpar[2] * 2.;
243
244 tubpar[0] = 10.0/2.;
245 tubpar[1] = 10.4/2;
246 tubpar[2] = 190./2.;
247 gMC->Gsvolu("P005", "TUBE", idtmed[5], tubpar, 3);
248 gMC->Gspos("P005", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
249
250 zd1 += tubpar[2] * 2.;
251
252 conpar[0] = 30./2.;
253 conpar[1] = 10./2.;
254 conpar[2] = 10.4/2.;
255 conpar[3] = 20.6/2.;
256 conpar[4] = 21./2.;
257 gMC->Gsvolu("P006", "CONE", idtmed[5], conpar, 5);
258 gMC->Gspos("P006", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
259
260 zd1 += conpar[0] * 2.;
261
262 tubpar[0] = 20.6/2.;
263 tubpar[1] = 21./2.;
264 tubpar[2] = 450./2.;
265 gMC->Gsvolu("P007", "TUBE", idtmed[5], tubpar, 3);
266 gMC->Gspos("P007", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
267
268 zd1 += tubpar[2] * 2.;
269
270 conpar[0] = 13.6/2.;
271 conpar[1] = 20.6/2.;
272 conpar[2] = 21./2.;
273 conpar[3] = 25.4/2.;
274 conpar[4] = 25.8/2.;
275 gMC->Gsvolu("P008", "CONE", idtmed[5], conpar, 5);
276 gMC->Gspos("P008", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
277
278 zd1 += conpar[0] * 2.;
279
280 tubpar[0] = 25.4/2.;
281 tubpar[1] = 25.8/2.;
282 tubpar[2] = 205.8/2.;
283 gMC->Gsvolu("P009", "TUBE", idtmed[5], tubpar, 3);
284 gMC->Gspos("P009", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
285
286 zd1 += tubpar[2] * 2.;
287
288 tubpar[0] = 50./2.;
289 tubpar[1] = 50.4/2.;
290 tubpar[2] = 505.4/2.;
291 gMC->Gsvolu("P010", "TUBE", idtmed[5], tubpar, 3);
292 gMC->Gspos("P010", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
293
294 zd1 += tubpar[2] * 2.;
295
296 tubpar[0] = 50./2.;
297 tubpar[1] = 50.4/2.;
298 tubpar[2] = 700./2.;
299 gMC->Gsvolu("P011", "TUBE", idtmed[5], tubpar, 3);
300 gMC->Gspos("P011", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
301
302 zd1 += tubpar[2] * 2.;
303
304 tubpar[0] = 50./2.;
305 tubpar[1] = 50.4/2.;
306 tubpar[2] = 778.5/2.;
307 gMC->Gsvolu("P012", "TUBE", idtmed[5], tubpar, 3);
308 gMC->Gspos("P012", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
309
310 zd1 += tubpar[2] * 2.;
311
312 conpar[0] = 14.18/2.;
313 conpar[1] = 50./2.;
314 conpar[2] = 50.4/2.;
315 conpar[3] = 55./2.;
316 conpar[4] = 55.4/2.;
317 gMC->Gsvolu("P013", "CONE", idtmed[5], conpar, 5);
318 gMC->Gspos("P013", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
319
320 zd1 += conpar[0] * 2.;
321
322 tubpar[0] = 55./2.;
323 tubpar[1] = 55.4/2.;
324 tubpar[2] = 730./2.;
325 gMC->Gsvolu("P014", "TUBE", idtmed[5], tubpar, 3);
326 gMC->Gspos("P014", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
327
328 zd1 += tubpar[2] * 2.;
329
330 conpar[0] = 36.86/2.;
331 conpar[1] = 55./2.;
332 conpar[2] = 55.4/2.;
333 conpar[3] = 68./2.;
334 conpar[4] = 68.4/2.;
335 gMC->Gsvolu("P015", "CONE", idtmed[5], conpar, 5);
336 gMC->Gspos("P015", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
337
338 zd1 += conpar[0] * 2.;
339
340 tubpar[0] = 68./2.;
341 tubpar[1] = 68.4/2.;
342 tubpar[2] = 927.3/2.;
343 gMC->Gsvolu("P016", "TUBE", idtmed[5], tubpar, 3);
344 gMC->Gspos("P016", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
345
346 zd1 += tubpar[2] * 2.;
347
348 tubpar[0] = 0./2.;
349 tubpar[1] = 68.4/2.;
350 tubpar[2] = 0.2/2.;
866ab5a2 351 gMC->Gsvolu("P017", "TUBE", idtmed[8], tubpar, 3);
68ca986e 352 gMC->Gspos("P017", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
353
354 zd1 += tubpar[2] * 2.;
355
356 tubpar[0] = 0./2.;
357 tubpar[1] = 5./2.;
358 tubpar[2] = 0.2/2.;
359 gMC->Gsvolu("Q017", "TUBE", idtmed[10], tubpar, 3);
360
361 //-- Position Q017 inside P017
362 gMC->Gspos("Q017", 1, "P017", -7.7, 0., 0., 0, "ONLY");
363
364 tubpar[0] = 0./2.;
365 tubpar[1] = 7./2.;
366 tubpar[2] = 0.2/2.;
367 gMC->Gsvolu("R017", "TUBE", idtmed[10], tubpar, 3);
368
369 //-- Position R017 inside P017
370 gMC->Gspos("R017", 1, "P017", 7.7, 0., 0., 0, "ONLY");
371
372 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
373
374 tubpar[0] = 5./2.;
375 tubpar[1] = 5.4/2.;
376 tubpar[2] = 678./2.;
377 gMC->Gsvolu("P018", "TUBE", idtmed[5], tubpar, 3);
378
379 tubpar[0] = 7./2.;
380 tubpar[1] = 7.4/2.;
381 tubpar[2] = 678./2.;
382 gMC->Gsvolu("P019", "TUBE", idtmed[5], tubpar, 3);
383
384 // -- ROTATE PIPES
385
386 AliMatrix(im1, 90.-0.071, 0., 90., 90., .071, 180.);
387 angle = .071*kDegrad;
388 gMC->Gspos("P018", 1, "ZDC ", TMath::Sin(angle) * 645. / 2. - 9.7 +
389 TMath::Sin(angle) * 945. / 2., 0., tubpar[2] + zd1, im1, "ONLY");
390 AliMatrix(im2, 90.+0.071, 0., 90., 90., .071, 0.);
391 gMC->Gspos("P019", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 645. / 2., 0.,
392 tubpar[2] + zd1, im2, "ONLY");
393
394 // -- END OF BEAM PIPE VOLUME DEFINITION. MAGNET DEFINITION FOLLOWS
395 // (LHC OPTICS 6)
396
397 // -- COMPENSATOR DIPOLE (MBXW)
398 // GAP (VACUUM WITH MAGNETIC FIELD)
399
5ce39387 400// tubpar[0] = 0.;
401// tubpar[1] = 4.5;
402// tubpar[2] = 340./2.;
403// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
404// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
68ca986e 405
406 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
407
5ce39387 408// tubpar[0] = 4.5;
409// tubpar[1] = 55.;
410// tubpar[2] = 340./2.;
411// gMC->Gsvolu("YMBX", "TUBE", idtmed[5], tubpar, 3);
412// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
68ca986e 413
414 // -- COMPENSATOR DIPOLE (MCBWA)
415 // GAP (VACUUM WITH MAGNETIC FIELD)
416
417 tubpar[0] = 0.;
418 tubpar[1] = 4.5;
419 tubpar[2] = 170./2.;
420 gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
421 gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
422
423 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
424
425 tubpar[0] = 4.5;
426 tubpar[1] = 55.;
427 tubpar[2] = 170./2.;
428 gMC->Gsvolu("YMCB", "TUBE", idtmed[5], tubpar, 3);
429 gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
430
431 // -- INNER TRIPLET
432
433 zq = 2300.;
434
435 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
436
437 // MQXL
438 // -- GAP (VACUUM WITH MAGNETIC FIELD)
439
440 tubpar[0] = 0.;
441 tubpar[1] = 3.5;
442 tubpar[2] = 630./2.;
443 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
444
445 // -- YOKE
446
447 tubpar[0] = 3.5;
448 tubpar[1] = 22.;
449 tubpar[2] = 630./2.;
450 gMC->Gsvolu("YMQL", "TUBE", idtmed[5], tubpar, 3);
451
452 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
453 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
454
455 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
456 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
457
458 // -- MQX
459 // -- GAP (VACUUM WITH MAGNETIC FIELD)
460
461 tubpar[0] = 0.;
462 tubpar[1] = 3.5;
463 tubpar[2] = 550./2.;
464 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
465
466 // -- YOKE
467
468 tubpar[0] = 3.5;
469 tubpar[1] = 22.;
470 tubpar[2] = 550./2.;
471 gMC->Gsvolu("YMQ ", "TUBE", idtmed[5], tubpar, 3);
472
473 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
474 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY");
475
476 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
477 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY");
478
479 // -- SEPARATOR DIPOLE D1
480
481 zd1 = 5838.3;
482
483 // -- GAP (VACUUM WITH MAGNETIC FIELD)
484
485 tubpar[0] = 0.;
486 tubpar[1] = 7.5/2.;
487 tubpar[2] = 945./2.;
488 gMC->Gsvolu("D1 ", "TUBE", idtmed[11], tubpar, 3);
489
490 // -- YOKE
491
492 tubpar[0] = 0.;
493 tubpar[1] = 110./2;
494 tubpar[2] = 945./2.;
495 gMC->Gsvolu("YD1 ", "TUBE", idtmed[5], tubpar, 3);
496
497 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
498 gMC->Gspos("D1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
499
500 // -- DIPOLE D2
501
502 zd2 = 12147.6;
503
504 // -- GAP (VACUUM WITH MAGNETIC FIELD)
505
506 tubpar[0] = 0.;
507 tubpar[1] = 7.5/2.;
508 tubpar[2] = 945./2.;
509 gMC->Gsvolu("D2 ", "TUBE", idtmed[11], tubpar, 3);
510
511 // -- YOKE
512
513 tubpar[0] = 0.;
514 tubpar[1] = 55.;
515 tubpar[2] = 945./2.;
516 gMC->Gsvolu("YD2 ", "TUBE", idtmed[5], tubpar, 3);
517
518 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
519
520 gMC->Gspos("D2 ", 1, "YD2 ", -9.7, 0., 0., 0, "ONLY");
521 gMC->Gspos("D2 ", 2, "YD2 ", 9.7, 0., 0., 0, "ONLY");
522
523 // -- END OF MAGNET DEFINITION
524}
525
526//_____________________________________________________________________________
527void AliZDCv1::CreateZDC()
528{
529
530 Int_t *idtmed = fIdtmed->GetArray();
866ab5a2 531 Int_t irot1, irot2;
532 Float_t DimPb[6], DimVoid[6];
533
68ca986e 534
535 //-- Create calorimeters geometry
536
537 //--> Neutron calorimeter (ZN)
538
539 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
540 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
541 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
542 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
543 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
544 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
545 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
546 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
547 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
548
549 // Divide ZNEU in towers (for hits purposes)
550
551 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
552 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
553
554 //-- Divide ZN1 in minitowers
555 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
556 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
557 // (4 fibres per minitower)
558
559 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
560 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
561
562 // --- Position the empty grooves in the sticks (4 grooves per stick)
563 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
564 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
565
566 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
567 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
568 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
569 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
570
571 // --- Position the fibers in the grooves
572 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
573 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
574 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
575 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
576
577 // --- Position the neutron calorimeter in ZDC
578 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
579
866ab5a2 580
581 //--> Proton calorimeter (ZP)
68ca986e 582
583 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
584 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
585 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
586 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
587 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
588 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
589 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
590 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
591 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
592
593 //-- Divide ZPRO in towers(for hits purposes)
594
595 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
596 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
597
598
599 //-- Divide ZP1 in minitowers
600 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
601 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
602 // (4 fiber per minitower)
603
604 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
605 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
606
607 // --- Position the empty grooves in the sticks (4 grooves per stick)
608 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
609 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
610
611 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
612 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
613 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
614 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
615
616 // --- Position the fibers in the grooves
617 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
618 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
619 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
620 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
621
622
623 // --- Position the proton calorimeter in ZDC
624 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
866ab5a2 625
626
627
628 //--> EM calorimeter (ZEM)
629
630 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
631
632 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
633 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
634// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
635
636 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
637
638 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
639
640 DimPb[0] = fDimZEMPb; // Lead slices
641 DimPb[1] = fDimZEM[2];
642 DimPb[2] = fDimZEM[1];
643 DimPb[3] = 90.-fDimZEM[3];
644 DimPb[4] = 0.;
645 DimPb[5] = 0.;
646 gMC->Gsvolu("ZEL0", "PARA", idtmed[6], DimPb, 6);
647 gMC->Gsvolu("ZEL1", "PARA", idtmed[6], DimPb, 6);
648 gMC->Gsvolu("ZEL2", "PARA", idtmed[6], DimPb, 6);
649
650 // --- Position the lead slices in the tranche
651 Float_t zTran = fDimZEM[0]/fDivZEM[2];
652 Float_t zTrPb = -zTran+fDimZEMPb;
653 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
654 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
655
656 // --- Vacuum zone (to be filled with fibres)
657 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
658 DimVoid[1] = fDimZEM[2];
659 DimVoid[2] = fDimZEM[1];
660 DimVoid[3] = 90.-fDimZEM[3];
661 DimVoid[4] = 0.;
662 DimVoid[5] = 0.;
663 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
664 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
665
666 // --- Divide the vacuum slice into sticks along x axis
667 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
668 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
669
670 // --- Positioning the fibers into the sticks
671 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
672 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
673
674 // --- Positioning the vacuum slice into the tranche
675 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
676 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
677 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
678
679 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
680 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
681
682 // --- Adding last slice at the end of the EM calorimeter
683 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
684 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
68ca986e 685
686}
687
688//_____________________________________________________________________________
689void AliZDCv1::DrawModule()
690{
691 //
692 // Draw a shaded view of the Zero Degree Calorimeter version 1
693 //
694
695 // Set everything unseen
696 gMC->Gsatt("*", "seen", -1);
697 //
698 // Set ALIC mother transparent
699 gMC->Gsatt("ALIC","SEEN",0);
700 //
701 // Set the volumes visible
702 gMC->Gsatt("ZDC ","SEEN",0);
703 gMC->Gsatt("P001","SEEN",1);
704 gMC->Gsatt("E001","SEEN",1);
705 gMC->Gsatt("E002","SEEN",1);
706 gMC->Gsatt("E003","SEEN",1);
707 gMC->Gsatt("E004","SEEN",1);
708 gMC->Gsatt("C001","SEEN",1);
709 gMC->Gsatt("P002","SEEN",1);
710 gMC->Gsatt("P003","SEEN",1);
711 gMC->Gsatt("P004","SEEN",1);
712 gMC->Gsatt("P005","SEEN",1);
713 gMC->Gsatt("P006","SEEN",1);
714 gMC->Gsatt("P007","SEEN",1);
715 gMC->Gsatt("P008","SEEN",1);
716 gMC->Gsatt("P009","SEEN",1);
717 gMC->Gsatt("P010","SEEN",1);
718 gMC->Gsatt("P011","SEEN",1);
719 gMC->Gsatt("P012","SEEN",1);
720 gMC->Gsatt("P013","SEEN",1);
721 gMC->Gsatt("P014","SEEN",1);
722 gMC->Gsatt("P015","SEEN",1);
723 gMC->Gsatt("P016","SEEN",1);
724 gMC->Gsatt("P017","SEEN",1);
725 gMC->Gsatt("Q017","SEEN",1);
726 gMC->Gsatt("R017","SEEN",1);
727 gMC->Gsatt("P018","SEEN",1);
728 gMC->Gsatt("P019","SEEN",1);
5ce39387 729// gMC->Gsatt("MBXW","SEEN",1);
730// gMC->Gsatt("YMBX","SEEN",1);
68ca986e 731 gMC->Gsatt("MCBW","SEEN",1);
732 gMC->Gsatt("YMCB","SEEN",1);
733 gMC->Gsatt("MQXL","SEEN",1);
734 gMC->Gsatt("YMQL","SEEN",1);
735 gMC->Gsatt("MQX ","SEEN",1);
736 gMC->Gsatt("YMQ ","SEEN",1);
737 gMC->Gsatt("D1 ","SEEN",1);
738 gMC->Gsatt("YD1 ","SEEN",1);
739 gMC->Gsatt("D2 ","SEEN",1);
740 gMC->Gsatt("YD2 ","SEEN",1);
741 gMC->Gsatt("ZNEU","SEEN",0);
742 gMC->Gsatt("ZNF1","SEEN",0);
743 gMC->Gsatt("ZNF2","SEEN",0);
744 gMC->Gsatt("ZNF3","SEEN",0);
745 gMC->Gsatt("ZNF4","SEEN",0);
746 gMC->Gsatt("ZNG1","SEEN",0);
747 gMC->Gsatt("ZNG2","SEEN",0);
748 gMC->Gsatt("ZNG3","SEEN",0);
749 gMC->Gsatt("ZNG4","SEEN",0);
750 gMC->Gsatt("ZNTX","SEEN",0);
751 gMC->Gsatt("ZN1 ","COLO",2);
752 gMC->Gsatt("ZN1 ","SEEN",1);
753 gMC->Gsatt("ZNSL","SEEN",0);
754 gMC->Gsatt("ZNST","SEEN",0);
755 gMC->Gsatt("ZPRO","SEEN",0);
756 gMC->Gsatt("ZPF1","SEEN",0);
757 gMC->Gsatt("ZPF2","SEEN",0);
758 gMC->Gsatt("ZPF3","SEEN",0);
759 gMC->Gsatt("ZPF4","SEEN",0);
760 gMC->Gsatt("ZPG1","SEEN",0);
761 gMC->Gsatt("ZPG2","SEEN",0);
762 gMC->Gsatt("ZPG3","SEEN",0);
763 gMC->Gsatt("ZPG4","SEEN",0);
764 gMC->Gsatt("ZPTX","SEEN",0);
765 gMC->Gsatt("ZP1 ","COLO",2);
766 gMC->Gsatt("ZP1 ","SEEN",1);
767 gMC->Gsatt("ZPSL","SEEN",0);
768 gMC->Gsatt("ZPST","SEEN",0);
866ab5a2 769 gMC->Gsatt("ZEM ","COLO",2);
770 gMC->Gsatt("ZEM ","SEEN",1);
771 gMC->Gsatt("ZEMF","SEEN",0);
772 gMC->Gsatt("ZETR","SEEN",0);
773 gMC->Gsatt("ZEL0","SEEN",0);
774 gMC->Gsatt("ZEL1","SEEN",0);
775 gMC->Gsatt("ZEL2","SEEN",0);
776 gMC->Gsatt("ZEV0","SEEN",0);
777 gMC->Gsatt("ZEV1","SEEN",0);
778 gMC->Gsatt("ZES0","SEEN",0);
779 gMC->Gsatt("ZES1","SEEN",0);
68ca986e 780
781 //
782 gMC->Gdopt("hide", "on");
783 gMC->Gdopt("shad", "on");
784 gMC->Gsatt("*", "fill", 7);
785 gMC->SetClipBox(".");
786 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
787 gMC->DefaultRange();
788 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
789 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
790 gMC->Gdman(18, 4, "MAN");
791}
792
793//_____________________________________________________________________________
794void AliZDCv1::CreateMaterials()
795{
796 //
797 // Create Materials for the Zero Degree Calorimeter
798 //
799 // Origin : E. Scomparin
800
801 Int_t *idtmed = fIdtmed->GetArray();
802
866ab5a2 803 Float_t dens, ubuf[1], wmat[2], a[2], z[2], epsil=0.001, stmin=0.01;
804 Int_t i, isvolActive, isvol, inofld;
68ca986e 805 Float_t fieldm = gAlice->Field()->Max();
68ca986e 806 Float_t tmaxfd=gAlice->Field()->Max();
866ab5a2 807 Int_t isxfld = gAlice->Field()->Integ();
808 Float_t deemax=-1;
68ca986e 809 Float_t stemax;
810
811 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
812
813 // --- Tantalum -> ZN passive material
814 ubuf[0] = 1.1;
815 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
816
817 // --- Tungsten
818// ubuf[0] = 1.11;
819// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
820
821 // --- Brass (CuZn) -> ZP passive material
822 dens = 8.48;
823 a[0] = 63.546;
824 a[1] = 65.39;
825 z[0] = 29.;
826 z[1] = 30.;
827 wmat[0] = .63;
828 wmat[1] = .37;
829 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
830
831 // --- SiO2
832 dens = 2.64;
833 a[0] = 28.086;
834 a[1] = 15.9994;
835 z[0] = 14.;
836 z[1] = 8.;
837 wmat[0] = 1.;
838 wmat[1] = 2.;
839 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
866ab5a2 840
841
842 // --- Lead
843 ubuf[0] = 1.12;
844 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
68ca986e 845
846 // --- Copper
847// ubuf[0] = 1.1;
848// AliMaterial(7, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
849
866ab5a2 850 // --- Iron (energy loss taken into account)
851 ubuf[0] = 1.1;
852 AliMaterial(6, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
68ca986e 853
866ab5a2 854 // --- Iron (no energy loss)
68ca986e 855 ubuf[0] = 1.1;
866ab5a2 856 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
68ca986e 857
858 // --- Vacuum (no magnetic field)
859 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
860
861 // --- Vacuum (with magnetic field)
862 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
863
864 // --- Air (no magnetic field)
865 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
866
867 // --- Definition of tracking media:
868
869 // --- Tantalum = 1 ;
870 // --- Brass = 2 ;
871 // --- Fibers (SiO2) = 3 ;
872 // --- Fibers (SiO2) = 4 ;
866ab5a2 873 // --- Lead = 5 ;
874 // --- Iron (with energy loss) = 6 ;
875 // --- Iron (without energy loss) = 7 ;
68ca986e 876 // --- Vacuum (no field) = 10
877 // --- Vacuum (with field) = 11
878 // --- Air (no field) = 12
879
880
881 // --- Tracking media parameters
882 epsil = .01;
883 stemax = 1.;
884 isvol = 0;
885 isvolActive = 1;
886 inofld = 0;
887 fieldm = 0.;
888
889 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
890// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
891 AliMedium(2, "ZBRASS", 2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
892 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
893 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
866ab5a2 894 AliMedium(6, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
68ca986e 895// AliMedium(7, "ZCOPP", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
866ab5a2 896 AliMedium(5, "ZIRON", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
897 AliMedium(8, "ZIRONN", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
68ca986e 898 AliMedium(10, "ZVOID", 10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
899 AliMedium(12, "ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
900
901 fieldm = 45.;
902 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
903
904 // Thresholds for showering in the ZDCs
905
906 i = 1;
907 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
908 gMC->Gstpar(idtmed[i], "CUTELE", .001);
909 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
910 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
911 i = 2;
912 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
913 gMC->Gstpar(idtmed[i], "CUTELE", .001);
914 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
915 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
866ab5a2 916 i = 6;
917 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
918 gMC->Gstpar(idtmed[i], "CUTELE", .001);
919 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
920 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
68ca986e 921
922 // Avoid too detailed showering along the beam line
923
924 i = 5;
925 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
926 gMC->Gstpar(idtmed[i], "CUTELE", .1);
927 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
928 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
929
930 // Avoid interaction in fibers (only energy loss allowed)
931 i = 3;
932 gMC->Gstpar(idtmed[i], "DCAY", 0.);
933 gMC->Gstpar(idtmed[i], "MULS", 0.);
934 gMC->Gstpar(idtmed[i], "PFIS", 0.);
935 gMC->Gstpar(idtmed[i], "MUNU", 0.);
936 gMC->Gstpar(idtmed[i], "LOSS", 1.);
937 gMC->Gstpar(idtmed[i], "PHOT", 0.);
938 gMC->Gstpar(idtmed[i], "COMP", 0.);
939 gMC->Gstpar(idtmed[i], "PAIR", 0.);
940 gMC->Gstpar(idtmed[i], "BREM", 0.);
941 gMC->Gstpar(idtmed[i], "DRAY", 0.);
942 gMC->Gstpar(idtmed[i], "ANNI", 0.);
943 gMC->Gstpar(idtmed[i], "HADR", 0.);
944 i = 4;
945 gMC->Gstpar(idtmed[i], "DCAY", 0.);
946 gMC->Gstpar(idtmed[i], "MULS", 0.);
947 gMC->Gstpar(idtmed[i], "PFIS", 0.);
948 gMC->Gstpar(idtmed[i], "MUNU", 0.);
949 gMC->Gstpar(idtmed[i], "LOSS", 1.);
950 gMC->Gstpar(idtmed[i], "PHOT", 0.);
951 gMC->Gstpar(idtmed[i], "COMP", 0.);
952 gMC->Gstpar(idtmed[i], "PAIR", 0.);
953 gMC->Gstpar(idtmed[i], "BREM", 0.);
954 gMC->Gstpar(idtmed[i], "DRAY", 0.);
955 gMC->Gstpar(idtmed[i], "ANNI", 0.);
956 gMC->Gstpar(idtmed[i], "HADR", 0.);
866ab5a2 957
958 // Avoid interaction in void
959 i = 10;
960 gMC->Gstpar(idtmed[i], "DCAY", 0.);
961 gMC->Gstpar(idtmed[i], "MULS", 0.);
962 gMC->Gstpar(idtmed[i], "PFIS", 0.);
963 gMC->Gstpar(idtmed[i], "MUNU", 0.);
964 gMC->Gstpar(idtmed[i], "LOSS", 0.);
965 gMC->Gstpar(idtmed[i], "PHOT", 0.);
966 gMC->Gstpar(idtmed[i], "COMP", 0.);
967 gMC->Gstpar(idtmed[i], "PAIR", 0.);
968 gMC->Gstpar(idtmed[i], "BREM", 0.);
969 gMC->Gstpar(idtmed[i], "DRAY", 0.);
970 gMC->Gstpar(idtmed[i], "ANNI", 0.);
971 gMC->Gstpar(idtmed[i], "HADR", 0.);
972
68ca986e 973 //
866ab5a2 974 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
975 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
976 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
977 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
978 fMedSensZEM = idtmed[6]; // Sensitive volume: ZEM passive material
979 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
980 fMedSensPI = idtmed[5]; // Sensitive volume: beam pipes
68ca986e 981}
982
983//_____________________________________________________________________________
984void AliZDCv1::Init()
985{
986 InitTables();
68ca986e 987}
988
989//_____________________________________________________________________________
990void AliZDCv1::InitTables()
991{
c0ceba4c 992 Int_t k, j;
68ca986e 993 //Initialize parameters for light tables and read them
994 fNalfan = 90;
995 fNalfap = 90;
996 fNben = 18;
997 fNbep = 28;
998
866ab5a2 999 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1000 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
68ca986e 1001 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1002
866ab5a2 1003 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1004 if((fp1 = fopen(lightfName1,"r")) == NULL){
68ca986e 1005 printf("Cannot open file fp1 \n");
1006 return;
1007 }
866ab5a2 1008 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1009 if((fp2 = fopen(lightfName2,"r")) == NULL){
68ca986e 1010 printf("Cannot open file fp2 \n");
1011 return;
1012 }
866ab5a2 1013 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1014 if((fp3 = fopen(lightfName3,"r")) == NULL){
68ca986e 1015 printf("Cannot open file fp3 \n");
1016 return;
1017 }
866ab5a2 1018 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1019 if((fp4 = fopen(lightfName4,"r")) == NULL){
68ca986e 1020 printf("Cannot open file fp4 \n");
1021 return;
1022 }
1023// printf(" --- Reading light tables for ZN \n");
c0ceba4c 1024 for(k=0; k<fNalfan; k++){
1025 for(j=0; j<fNben; j++){
68ca986e 1026 fscanf(fp1,"%f",&fTablen[0][k][j]);
1027 fscanf(fp2,"%f",&fTablen[1][k][j]);
1028 fscanf(fp3,"%f",&fTablen[2][k][j]);
1029 fscanf(fp4,"%f",&fTablen[3][k][j]);
1030 }
1031 }
1032 fclose(fp1);
1033 fclose(fp2);
1034 fclose(fp3);
1035 fclose(fp4);
1036
866ab5a2 1037 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1038 if((fp5 = fopen(lightfName5,"r")) == NULL){
68ca986e 1039 printf("Cannot open file fp5 \n");
1040 return;
1041 }
866ab5a2 1042 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1043 if((fp6 = fopen(lightfName6,"r")) == NULL){
68ca986e 1044 printf("Cannot open file fp6 \n");
1045 return;
1046 }
866ab5a2 1047 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1048 if((fp7 = fopen(lightfName7,"r")) == NULL){
68ca986e 1049 printf("Cannot open file fp7 \n");
1050 return;
1051 }
866ab5a2 1052 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1053 if((fp8 = fopen(lightfName8,"r")) == NULL){
68ca986e 1054 printf("Cannot open file fp8 \n");
1055 return;
1056 }
866ab5a2 1057// printf(" --- Reading light tables for ZP and ZEM \n");
c0ceba4c 1058 for(k=0; k<fNalfap; k++){
1059 for(j=0; j<fNbep; j++){
68ca986e 1060 fscanf(fp5,"%f",&fTablep[0][k][j]);
1061 fscanf(fp6,"%f",&fTablep[1][k][j]);
1062 fscanf(fp7,"%f",&fTablep[2][k][j]);
1063 fscanf(fp8,"%f",&fTablep[3][k][j]);
1064 }
1065 }
1066 fclose(fp5);
1067 fclose(fp6);
1068 fclose(fp7);
1069 fclose(fp8);
1070}
5ce39387 1071
1072//_____________________________________________________________________________
1073Int_t AliZDCv1::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1074{
1075 // Evaluation of the ADC channel corresponding to the light yield Light
1076
1077// printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1078
1079 Int_t j,i;
1080 for(i=0; i<3; i++){
1081 for(j=0; j<5; j++){
1082 fPedMean[i][j] = 50.;
1083 fPedSigma[i][j] = 10.;
1084 fPMGain[i][j] = 10000000.;
1085 }
1086 }
1087 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1088
1089 Float_t Ped = gRandom->Gaus(fPedMean[Det-1][Quad],fPedSigma[Det-1][Quad]);
1090 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes+Ped);
1091
1092// printf(" Ped = %f, ADCch = %d\n", Ped, ADCch);
1093 return ADCch;
1094}
1095//_____________________________________________________________________________
1096void AliZDCv1::FinishEvent()
1097{
1098 // Creation of the digits from hits
1099
1100 if(fDebug == 1){
1101 printf("\n Event Hits --------------------------------------------------------\n");
1102 printf("\n Num. of primary hits = %d\n", fNPrimaryHits);
1103 fStHits->Print("");
1104 }
1105
1106 TClonesArray &lDigits = *fDigits;
1107
1108 AliZDCDigit *newdigit;
1109 AliZDCHit *hit;
1110
1111 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1112
1113 Int_t h;
1114 for(h=0; h<4; h++){
1115 PMQZN[h] =0;
1116 PMQZP[h] =0;
1117 }
1118
1119 Int_t i;
1120 for(i=0; i<fNStHits; i++){
1121 hit = (AliZDCHit*)fStHits->At(i);
1122 Int_t det = hit->GetVolume(0);
1123 Int_t quad = hit->GetVolume(1);
1124 Int_t lightQ = Int_t(hit->GetLightPMQ());
1125 Int_t lightC = Int_t(hit->GetLightPMC());
1126// printf(" \ni = %d, fNStHits = %d, det = %d, quad = %d,"
1127// "lightC = %d lightQ = %d\n", i, fNStHits, det, quad, lightC, lightQ);
1128
1129 if(det == 1){ //ZN
1130 PMCZN = PMCZN + lightC;
1131 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1132 }
1133
1134 if(det == 2){ //ZP
1135 PMCZP = PMCZP + lightC;
1136 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1137 }
1138
1139 if(det == 3){ //ZEM
1140 PMZEM = PMZEM + lightC;
1141 }
1142 }
1143
1144// printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1145// , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1146// printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1147// , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1148// printf("\n PMZEM = %d\n", PMZEM);
1149
1150 // ------------------------------------ Hits2Digits
1151 // Digits for ZN
1152 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1153 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1154 fNdigits++;
1155 delete newdigit;
1156
1157 Int_t j;
1158 for(j=0; j<4; j++){
1159 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1160 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1161 fNdigits++;
1162 delete newdigit;
1163 }
1164
1165 // Digits for ZP
1166 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1167 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1168 fNdigits++;
1169 delete newdigit;
1170
1171 Int_t k;
1172 for(k=0; k<4; k++){
1173 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1174 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1175 fNdigits++;
1176 delete newdigit;
1177 }
1178
1179 // Digits for ZEM
1180 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1181 new(lDigits[fNdigits]) AliZDCDigit(*newdigit);
1182 fNdigits++;
1183 delete newdigit;
1184
1185
1186 gAlice->TreeD()->Fill();
1187 gAlice->TreeD()->Write();
1188
1189 if(fDebug == 1){
1190 printf("\n Event Digits -----------------------------------------------------\n");
1191 fDigits->Print("");
1192 }
1193
1194}
1195//_____________________________________________________________________________
1196 void AliZDCv1::MakeBranch(Option_t *opt)
1197{
1198 //
1199 // Create a new branch in the current Root Tree
1200 //
1201
1202 AliDetector::MakeBranch(opt);
1203
1204 char branchname[10];
1205 sprintf(branchname,"%s",GetName());
1206 char *cD = strstr(opt,"D");
1207
1208 if (fDigits && gAlice->TreeD() && cD) {
1209 gAlice->TreeD()->Branch(branchname,&fDigits, fBufferSize);
1210 printf("* AliZDCv1::MakeBranch * Making Branch %s for digits\n\n",branchname);
1211 }
1212}
68ca986e 1213//_____________________________________________________________________________
1214void AliZDCv1::StepManager()
1215{
1216 //
1217 // Routine called at every step in the Zero Degree Calorimeters
1218 //
1219
c0ceba4c 1220 Int_t j;
1221
5ce39387 1222 Int_t vol[2], ibeta=0, ialfa, ibe, nphe;
366ff5c2 1223 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
68ca986e 1224 TLorentzVector s, p;
1225 const char *knamed;
866ab5a2 1226
1227
68ca986e 1228 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1229 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
866ab5a2 1230 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM) ||
1231 (gMC->GetMedium() == fMedSensPI)){
1232
1233 // If particle interacts with beam pipe -> return
1234 if(gMC->GetMedium() == fMedSensPI){
1235
1236 // If option NoShower is set -> StopTrack
1237 if(fNoShower==1) gMC->StopTrack();
1238 return;
1239 }
1240
68ca986e 1241 //Particle coordinates
1242 gMC->TrackPosition(s);
c0ceba4c 1243 for(j=0; j<=2; j++){
68ca986e 1244 x[j] = s[j];
1245 }
1246 hits[0] = x[0];
1247 hits[1] = x[1];
1248 hits[2] = x[2];
1249
1250 // Determine in which ZDC the particle is
1251 knamed = gMC->CurrentVolName();
1252 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1253 if(!strncmp(knamed,"ZP",2))vol[0]=2;
866ab5a2 1254 if(!strncmp(knamed,"ZE",2))vol[0]=3;
68ca986e 1255
1256 // Determine in which quadrant the particle is
1257
1258 //Quadrant in ZN
68ca986e 1259 if(vol[0]==1){
866ab5a2 1260 xdet[0] = x[0]-fPosZN[0];
1261 xdet[1] = x[1]-fPosZN[1];
1262 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
68ca986e 1263 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1264 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1265 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1266 }
1267
1268 //Quadrant in ZP
1269 if(vol[0]==2){
866ab5a2 1270 xdet[0] = x[0]-fPosZP[0];
1271 xdet[1] = x[1]-fPosZP[1];
1272 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1273 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
68ca986e 1274 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1275 for(int i=1; i<=4; i++){
866ab5a2 1276 if(xqZP>=(i-3) && xqZP<(i-2)){
68ca986e 1277 vol[1] = i;
1278 break;
1279 }
1280 }
1281 }
866ab5a2 1282
1283 //ZEM has only 1 quadrant
1284 if(vol[0] == 3){
1285 vol[1] = 1;
1286 xdet[0] = x[0]-fPosZEM[0];
1287 xdet[1] = x[1]-fPosZEM[1];
1288// printf("x %f %f xdet %f %f\n",x[0],x[1],xdet[0],xdet[1]);
1289 }
1290
1291 if(vol[1]>4){
1292 printf("\n-> Det. %d Quad. %d \n", vol[0], vol[1]);
1293 printf("x %f %f xdet %f %f\n",x[0],x[1],xdet[0],xdet[1]);}
68ca986e 1294
1295 // Store impact point and kinetic energy of the ENTERING particle
1296
1297// Int_t Curtrack = gAlice->CurrentTrack();
1298// Int_t Prim = gAlice->GetPrimary(Curtrack);
1299// printf ("Primary: %d, Current Track: %d \n", Prim, Curtrack);
1300
1301// if(Curtrack==Prim){
1302 if(gMC->IsTrackEntering()){
1303 //Particle energy
1304 gMC->TrackMomentum(p);
1305// printf("p[0] = %f, p[1] = %f, p[2] = %f, p[3] = %f \n",
1306// p[0], p[1], p[2], p[3]);
1307 hits[3] = p[3];
1308
866ab5a2 1309 // Impact point on ZDC
68ca986e 1310 hits[4] = xdet[0];
1311 hits[5] = xdet[1];
866ab5a2 1312 hits[6] = 0;
68ca986e 1313 hits[7] = 0;
1314 hits[8] = 0;
1315 hits[9] = 0;
1316
866ab5a2 1317// Int_t PcID = gMC->TrackPid();
1318// printf("Pc ID -> %d\n",PcID);
1319 AddHit(gAlice->CurrentTrack(), vol, hits);
1320
1321 if(fNoShower==1){
1322 gMC->StopTrack();
1323 return;
1324 }
68ca986e 1325 }
1326// }
1327
1328 // Charged particles -> Energy loss
1329 if((destep=gMC->Edep())){
1330 if(gMC->IsTrackStop()){
1331 gMC->TrackMomentum(p);
1332 m = gMC->TrackMass();
1333 ekin = p[3]-m;
1334 if(ekin<0.) printf("ATTENTION!!!!!!!!!!!!!!! -> ekin = %f <0 (?)",ekin);
1335 hits[9] = ekin;
1336 hits[7] = 0.;
1337 hits[8] = 0.;
1338 AddHit(gAlice->CurrentTrack(), vol, hits);
1339 }
1340 else{
1341 hits[9] = destep;
1342 hits[7] = 0.;
1343 hits[8] = 0.;
1344 AddHit(gAlice->CurrentTrack(), vol, hits);
1345 }
1346// printf(" -> Charged particle -> Dep. E = %f eV \n",hits[8]);
1347 }
1348// printf(" \n");
1349 }
1350
1351
1352 // *** Light production in fibres
1353 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
68ca986e 1354
1355 //Select charged particles
1356 if((destep=gMC->Edep())){
1357// printf(" -> CHARGED particle!!! \n");
1358
1359 // Particle velocity
1360 gMC->TrackMomentum(p);
1361 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1362 Float_t beta = ptot/p[3];
68ca986e 1363// Int_t pcID = gMC->TrackPid();
1364// printf(" Pc %d in quadrant %d -> beta = %f \n", pcID, vol[1], beta);
1365 if(beta<0.67) return;
866ab5a2 1366 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1367 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1368 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1369// if((beta>0.95) && (beta<=1.00)) ibeta = 3;
1370 if(beta>0.95) ibeta = 3;
68ca986e 1371
1372 // Angle between particle trajectory and fibre axis
1373 // 1 -> Momentum directions
1374 um[0] = p[0]/ptot;
1375 um[1] = p[1]/ptot;
1376 um[2] = p[2]/ptot;
1377 gMC->Gmtod(um,ud,2);
1378 // 2 -> Angle < limit angle
1379 Double_t alfar = TMath::ACos(ud[2]);
1380 Double_t alfa = alfar*kRaddeg;
866ab5a2 1381 if(alfa>=110.) return;
68ca986e 1382 ialfa = Int_t(1.+alfa/2.);
1383
1384 // Distance between particle trajectory and fibre axis
1385 gMC->TrackPosition(s);
c0ceba4c 1386 for(j=0; j<=2; j++){
68ca986e 1387 x[j] = s[j];
1388 }
1389 gMC->Gmtod(x,xdet,1);
1390 if(TMath::Abs(ud[0])>0.00001){
1391 Float_t dcoeff = ud[1]/ud[0];
1392 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1393 }
1394 else{
1395 be = TMath::Abs(ud[0]);
1396 }
1397
1398 if((vol[0]==1)) radius = fFibZN[1];
1399 if((vol[0]==2)) radius = fFibZP[1];
1400 ibe = Int_t(be*1000.+1);
1401
1402 //Looking into the light tables
1403 Float_t charge = gMC->TrackCharge();
1404
1405 // (1) ZN
1406 if((vol[0]==1)) {
1407 if(ibe>fNben) ibe=fNben;
1408 out = charge*charge*fTablen[ibeta][ialfa][ibe];
5ce39387 1409 nphe = gRandom->Poisson(out);
68ca986e 1410 if(gMC->GetMedium() == fMedSensF1){
5ce39387 1411 hits[7] = nphe; //fLightPMQ
68ca986e 1412 hits[8] = 0;
1413 hits[9] = 0;
1414 AddHit(gAlice->CurrentTrack(), vol, hits);
1415 }
1416 else{
1417 hits[7] = 0;
5ce39387 1418 hits[8] = nphe; //fLightPMC
68ca986e 1419 hits[9] = 0;
1420 AddHit(gAlice->CurrentTrack(), vol, hits);
1421 }
1422 }
1423
1424 // (2) ZP
1425 if((vol[0]==2)) {
1426 if(ibe>fNbep) ibe=fNbep;
1427 out = charge*charge*fTablep[ibeta][ialfa][ibe];
5ce39387 1428 nphe = gRandom->Poisson(out);
68ca986e 1429 if(gMC->GetMedium() == fMedSensF1){
5ce39387 1430 hits[7] = nphe; //fLightPMQ
68ca986e 1431 hits[8] = 0;
1432 hits[9] = 0;
1433 AddHit(gAlice->CurrentTrack(), vol, hits);
1434 }
1435 else{
1436 hits[7] = 0;
5ce39387 1437 hits[8] = nphe; //fLightPMC
68ca986e 1438 hits[9] = 0;
1439 AddHit(gAlice->CurrentTrack(), vol, hits);
1440 }
1441 }
866ab5a2 1442 // (3) ZEM
1443 if((vol[0]==3)) {
1444 if(ibe>fNbep) ibe=fNbep;
1445 out = charge*charge*fTablep[ibeta][ialfa][ibe];
5ce39387 1446 nphe = gRandom->Poisson(out);
1447 hits[7] = nphe; //fLightPMQ
1448 hits[8] = 0;
1449 hits[9] = 0;
1450 AddHit(gAlice->CurrentTrack(), vol, hits);
866ab5a2 1451 }
68ca986e 1452 }
866ab5a2 1453
68ca986e 1454 }
1455}