Rewriting and cleaning up
[u/mrichter/AliRoot.git] / ZDC / AliZDCv2.cxx
CommitLineData
4663d63d 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
c63eb7ab 18Revision 1.4 2001/06/13 11:17:49 coppedis
19Bug corrected
20
8064008b 21Revision 1.3 2001/06/13 11:11:02 coppedis
22Minor changes
23
6d5d9c06 24Revision 1.2 2001/06/12 13:45:11 coppedis
25TDI in correct position and minor correction
26
7cc664ae 27Revision 1.1 2001/05/14 09:57:39 coppedis
28A different geometry for the ZDCs
29
4663d63d 30
31*/
32
33///////////////////////////////////////////////////////////////////////////////
34// //
35// Zero Degree Calorimeter //
36// This class contains the basic functions for the ZDC //
37// Functions specific to one particular geometry are //
38// contained in the derived classes //
39// //
40///////////////////////////////////////////////////////////////////////////////
41
42// --- Standard libraries
43#include "stdio.h"
44
45// --- ROOT system
46#include <TBRIK.h>
47#include <TNode.h>
48#include <TMath.h>
49#include <TRandom.h>
50#include <TSystem.h>
51#include <TTree.h>
52
53
54// --- AliRoot classes
55#include "AliZDCv2.h"
56#include "AliZDCHit.h"
57#include "AliZDCDigit.h"
58#include "AliRun.h"
59#include "AliDetector.h"
60#include "AliMagF.h"
61#include "AliMC.h"
62#include "AliCallf77.h"
63#include "AliConst.h"
64#include "AliPDG.h"
65#include "TLorentzVector.h"
66
67
68ClassImp(AliZDCv2)
69
70
71///////////////////////////////////////////////////////////////////////////////
72// //
73// Zero Degree Calorimeter version 2 //
74// //
75///////////////////////////////////////////////////////////////////////////////
76
77//_____________________________________________________________________________
78AliZDCv2::AliZDCv2() : AliZDC()
79{
80 //
81 // Default constructor for Zero Degree Calorimeter
82 //
83
84 fMedSensF1 = 0;
85 fMedSensF2 = 0;
86 fMedSensZN = 0;
87 fMedSensZP = 0;
88 fMedSensZEM = 0;
89 fMedSensGR = 0;
90// fMedSensPI = 0;
91// fMedSensTDI = 0;
92}
93
94//_____________________________________________________________________________
95AliZDCv2::AliZDCv2(const char *name, const char *title)
96 : AliZDC(name,title)
97{
98 //
99 // Standard constructor for Zero Degree Calorimeter
100 //
101 //
102 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
103
104 AliModule* PIPE=gAlice->GetModule("PIPE");
105 AliModule* ABSO=gAlice->GetModule("ABSO");
106 AliModule* DIPO=gAlice->GetModule("DIPO");
107 AliModule* SHIL=gAlice->GetModule("SHIL");
108 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
109 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
110 exit(1);
111 }
112
113 fMedSensF1 = 0;
114 fMedSensF2 = 0;
115 fMedSensZN = 0;
116 fMedSensZP = 0;
117 fMedSensZEM = 0;
118 fMedSensGR = 0;
119// fMedSensPI = 0;
120// fMedSensTDI = 0;
121
122
123 // Parameters for light tables
124 fNalfan = 90; // Number of Alfa (neutrons)
125 fNalfap = 90; // Number of Alfa (protons)
126 fNben = 18; // Number of beta (neutrons)
127 fNbep = 28; // Number of beta (protons)
128 Int_t ip,jp,kp;
129 for(ip=0; ip<4; ip++){
130 for(kp=0; kp<fNalfap; kp++){
131 for(jp=0; jp<fNbep; jp++){
132 fTablep[ip][kp][jp] = 0;
133 }
134 }
135 }
136 Int_t in,jn,kn;
137 for(in=0; in<4; in++){
138 for(kn=0; kn<fNalfan; kn++){
139 for(jn=0; jn<fNben; jn++){
140 fTablen[in][kn][jn] = 0;
141 }
142 }
143 }
144
145 // Parameters for hadronic calorimeters geometry
146 fDimZP[0] = 11.2;
147 fDimZP[1] = 6.;
148 fDimZP[2] = 75.;
149 fPosZN[0] = 0.;
150 fPosZN[1] = -1.2;
151 fPosZN[2] = 11650.;
152 fPosZP[0] = -24.;
153 fPosZP[1] = 0.;
154 fPosZP[2] = 11600.;
155 fFibZN[0] = 0.;
156 fFibZN[1] = 0.01825;
157 fFibZN[2] = 50.;
158 fFibZP[0] = 0.;
159 fFibZP[1] = 0.0275;
160 fFibZP[2] = 75.;
161
162 // Parameters for EM calorimeter geometry
163 fPosZEM[0] = 8.5;
164 fPosZEM[1] = 0.;
165 fPosZEM[2] = -1000.;
166
167
168 fDigits = new TClonesArray("AliZDCDigit",1000);
169}
170
171//_____________________________________________________________________________
172void AliZDCv2::CreateGeometry()
173{
174 //
175 // Create the geometry for the Zero Degree Calorimeter version 1
176 //* Initialize COMMON block ZDC_CGEOM
177 //*
178
179 CreateBeamLine();
180 CreateZDC();
181}
182
183//_____________________________________________________________________________
184void AliZDCv2::CreateBeamLine()
185{
186
187 Float_t zq, zd1, zd2;
188 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
189 Int_t im1, im2;
190
191 Int_t *idtmed = fIdtmed->GetArray();
192
193 // -- Mother of the ZDCs (Vacuum PCON)
194
195 conpar[0] = 0.;
196 conpar[1] = 360.;
197 conpar[2] = 2.;
c63eb7ab 198 conpar[3] = 2000.;
4663d63d 199 conpar[4] = 0.;
c63eb7ab 200 conpar[5] = 55.;
4663d63d 201 conpar[6] = 13060.;
202 conpar[7] = 0.;
c63eb7ab 203 conpar[8] = 55.;
4663d63d 204 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
205 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
206
207 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
208 // the beginning of D1)
209
210 zd1 = 2000.;
211
212 tubpar[0] = 6.3/2.;
213 tubpar[1] = 6.7/2.;
214 tubpar[2] = 3838.3/2.;
215 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
216 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
217
218 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
219 // beginning of D2)
220
221 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
222 //-- Cylindrical pipe (r = 3.47) + conical flare
223
224 // -> Beginning of D1
225 zd1 += 2.*tubpar[2];
226
227 tubpar[0] = 3.47;
228 tubpar[1] = 3.47+0.2;
229 tubpar[2] = 958.5/2.;
230 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
231 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
232
233 zd1 += 2.*tubpar[2];
234
235 conpar[0] = 25./2.;
236 conpar[1] = 6.44/2.;
237 conpar[2] = 6.84/2.;
238 conpar[3] = 10./2.;
239 conpar[4] = 10.4/2.;
240 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
241 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
242
243 zd1 += 2.*conpar[0];
244
245 tubpar[0] = 10./2.;
246 tubpar[1] = 10.4/2.;
247 tubpar[2] = 50./2.;
248 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
249 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
250
251 zd1 += tubpar[2]*2.;
252
253 tubpar[0] = 10./2.;
254 tubpar[1] = 10.4/2.;
255 tubpar[2] = 10./2.;
256 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
257 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
258
259 zd1 += tubpar[2] * 2.;
260
261 tubpar[0] = 10./2.;
262 tubpar[1] = 10.4/2.;
263 tubpar[2] = 3.16/2.;
264 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
265 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
266
267 zd1 += tubpar[2] * 2.;
268
269 tubpar[0] = 10.0/2.;
270 tubpar[1] = 10.4/2;
271 tubpar[2] = 190./2.;
272 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
273 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
274
275 zd1 += tubpar[2] * 2.;
276
277 conpar[0] = 30./2.;
278 conpar[1] = 10./2.;
279 conpar[2] = 10.4/2.;
280 conpar[3] = 20.6/2.;
281 conpar[4] = 21./2.;
282 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
283 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
284
285 zd1 += conpar[0] * 2.;
286
287 tubpar[0] = 20.6/2.;
288 tubpar[1] = 21./2.;
289 tubpar[2] = 450./2.;
290 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
291 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
292
293 zd1 += tubpar[2] * 2.;
294
295 conpar[0] = 13.6/2.;
296 conpar[1] = 20.6/2.;
297 conpar[2] = 21./2.;
298 conpar[3] = 25.4/2.;
299 conpar[4] = 25.8/2.;
300 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
301 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
302
303 zd1 += conpar[0] * 2.;
304
305 tubpar[0] = 25.4/2.;
306 tubpar[1] = 25.8/2.;
307 tubpar[2] = 205.8/2.;
308 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
309 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
310
311 zd1 += tubpar[2] * 2.;
312
313 tubpar[0] = 50./2.;
314 tubpar[1] = 50.4/2.;
315 // QT09 is 10 cm longer to accomodate TDI
316 tubpar[2] = 515.4/2.;
317 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
318 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
319
320 // --- Insert TDI (inside ZDC volume)
321
322 boxpar[0] = 5.6;
323 boxpar[1] = 5.6;
324 boxpar[2] = 400./2.;
325 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
c63eb7ab 326 gMC->Gspos("QTD1", 1, "ZDC ", 3., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
327 gMC->Gspos("QTD1", 2, "ZDC ", 3., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 328
329 boxpar[0] = 0.2/2.;
330 boxpar[1] = 5.6;
331 boxpar[2] = 400./2.;
332 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
c63eb7ab 333 gMC->Gspos("QTD2", 1, "ZDC ", 8.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 334
6d5d9c06 335// tubspar[0] = 6.2; // R = 6.2 cm----------------------------------------
336// tubspar[1] = 6.4;
337// tubspar[2] = 400./2.;
338// tubspar[3] = 180.-62.5;
339// tubspar[4] = 180.+62.5;
340 tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------
341 tubspar[1] = 10.7;
4663d63d 342 tubspar[2] = 400./2.;
6d5d9c06 343 tubspar[3] = 180.-75.5;
344 tubspar[4] = 180.+75.5;
4663d63d 345 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
c63eb7ab 346 gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
4663d63d 347
348 zd1 += tubpar[2] * 2.;
349
350 tubpar[0] = 50./2.;
351 tubpar[1] = 50.4/2.;
352 // QT10 is 10 cm shorter
353 tubpar[2] = 690./2.;
354 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
355 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
356
357 zd1 += tubpar[2] * 2.;
358
359 tubpar[0] = 50./2.;
360 tubpar[1] = 50.4/2.;
361 tubpar[2] = 778.5/2.;
362 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
363 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
364
365 zd1 += tubpar[2] * 2.;
366
367 conpar[0] = 14.18/2.;
368 conpar[1] = 50./2.;
369 conpar[2] = 50.4/2.;
370 conpar[3] = 55./2.;
371 conpar[4] = 55.4/2.;
372 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
373 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
374
375 zd1 += conpar[0] * 2.;
376
377 tubpar[0] = 55./2.;
378 tubpar[1] = 55.4/2.;
379 tubpar[2] = 730./2.;
380 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
381 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
382
383 zd1 += tubpar[2] * 2.;
384
385 conpar[0] = 36.86/2.;
386 conpar[1] = 55./2.;
387 conpar[2] = 55.4/2.;
388 conpar[3] = 68./2.;
389 conpar[4] = 68.4/2.;
390 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
391 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
392
393 zd1 += conpar[0] * 2.;
394
395 tubpar[0] = 68./2.;
396 tubpar[1] = 68.4/2.;
397 tubpar[2] = 927.3/2.;
398 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
399 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
400
401 zd1 += tubpar[2] * 2.;
402
403 tubpar[0] = 0./2.;
404 tubpar[1] = 68.4/2.;
405 tubpar[2] = 0.2/2.;
406 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
407 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
408
409 zd1 += tubpar[2] * 2.;
410
411 tubpar[0] = 0./2.;
412 tubpar[1] = 6.4/2.;
413 tubpar[2] = 0.2/2.;
414 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
415
416 //-- Position QT15 inside QT14
417 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
418
419 tubpar[0] = 0./2.;
420 tubpar[1] = 6.4/2.;
421 tubpar[2] = 0.2/2.;
422 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
423
424 //-- Position QT16 inside QT14
425 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
426
427
428 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
429
430 tubpar[0] = 6.4/2.;
431 tubpar[1] = 6.8/2.;
432 tubpar[2] = 680.8/2.;
433 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
434
435 tubpar[0] = 6.4/2.;
436 tubpar[1] = 6.8/2.;
437 tubpar[2] = 680.8/2.;
438 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
439
440 // -- ROTATE PIPES
441
442 Float_t angle = 0.143*kDegrad;
443
444 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
445 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
446 0., tubpar[2] + zd1, im1, "ONLY");
447
448 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
449 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
450 0., tubpar[2] + zd1, im2, "ONLY");
451
452 // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC
453
454 Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx)
455 tubpar[0] = 8.0/2.;
456 tubpar[1] = 8.2/2.;
7cc664ae 457 tubpar[2] = (1050+zb)/2.; // From the end of QBPM to z=1050.
4663d63d 458 gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3);
c63eb7ab 459 gMC->Gspos("QT19", 1, "ALIC", 0., 0., zb - tubpar[2], 0, "ONLY");
4663d63d 460
461
462 // -- END OF BEAM PIPE VOLUME DEFINITION.
463 // ----------------------------------------------------------------
464
465 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
466
467 // ----------------------------------------------------------------
468 // Replaced by the muon dipole
469 // ----------------------------------------------------------------
470 // -- COMPENSATOR DIPOLE (MBXW)
471 // GAP (VACUUM WITH MAGNETIC FIELD)
472
473// tubpar[0] = 0.;
474// tubpar[1] = 4.5;
475// tubpar[2] = 340./2.;
476// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
477// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
478
479 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
480
481// tubpar[0] = 4.5;
482// tubpar[1] = 55.;
483// tubpar[2] = 340./2.;
484// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
485// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
486
487 // ----------------------------------------------------------------
488 // Replaced by the second dipole
489 // ----------------------------------------------------------------
490 // -- COMPENSATOR DIPOLE (MCBWA)
491 // GAP (VACUUM WITH MAGNETIC FIELD)
492
493// tubpar[0] = 0.;
494// tubpar[1] = 4.5;
495// tubpar[2] = 170./2.;
496// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
497// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
498
499 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
500
501// tubpar[0] = 4.5;
502// tubpar[1] = 55.;
503// tubpar[2] = 170./2.;
504// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
505// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
506
507 // -- INNER TRIPLET
508
509 zq = 2296.5;
510
511 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
512
513 // MQXL
514 // -- GAP (VACUUM WITH MAGNETIC FIELD)
515
516 tubpar[0] = 0.;
517 tubpar[1] = 3.5;
518 tubpar[2] = 637./2.;
519 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
520
521 // -- YOKE
522
523 tubpar[0] = 3.5;
524 tubpar[1] = 22.;
525 tubpar[2] = 637./2.;
526 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
527
528 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
529 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
530
531 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
532 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
533
534 // -- MQX
535 // -- GAP (VACUUM WITH MAGNETIC FIELD)
536
537 tubpar[0] = 0.;
538 tubpar[1] = 3.5;
539 tubpar[2] = 550./2.;
540 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
541
542 // -- YOKE
543
544 tubpar[0] = 3.5;
545 tubpar[1] = 22.;
546 tubpar[2] = 550./2.;
547 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
548
549 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
550 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
551
552 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
553 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
554
555 // -- SEPARATOR DIPOLE D1
556
557 zd1 = 5838.3;
558
559 // -- GAP (VACUUM WITH MAGNETIC FIELD)
560
561 tubpar[0] = 0.;
562 tubpar[1] = 6.94/2.;
563 tubpar[2] = 945./2.;
564 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
565
566 // -- Insert horizontal Cu plates inside D1
567 // -- (to simulate the vacuum chamber)
568
569 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
570 boxpar[1] = 0.2/2.;
571 boxpar[2] =945./2.;
572 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
573 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
574 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
575
576 // -- YOKE
577
578 tubpar[0] = 0.;
579 tubpar[1] = 110./2;
580 tubpar[2] = 945./2.;
581 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
582
583 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
584 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
585
586 // -- DIPOLE D2
587
588 zd2 = 12147.6;
589
590 // -- GAP (VACUUM WITH MAGNETIC FIELD)
591
592 tubpar[0] = 0.;
593 tubpar[1] = 7.5/2.;
594 tubpar[2] = 945./2.;
595 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
596
597 // -- YOKE
598
599 tubpar[0] = 0.;
600 tubpar[1] = 55.;
601 tubpar[2] = 945./2.;
602 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
603
604 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
605
606 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
607 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
608
609 // -- END OF MAGNET DEFINITION
610}
611
612//_____________________________________________________________________________
613void AliZDCv2::CreateZDC()
614{
615
616 Float_t DimPb[6], DimVoid[6];
617
618 Int_t *idtmed = fIdtmed->GetArray();
619
620 // Parameters for hadronic calorimeters geometry
621 // NB -> parameters used ONLY in CreateZDC()
622 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
623 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
624 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
625 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
626 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
627 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
628 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
629
630 // Parameters for EM calorimeter geometry
631 // NB -> parameters used ONLY in CreateZDC()
632 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
633 Float_t fDimZEMAir = 0.001; // scotch
634 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
635 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
636 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
637 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
638 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
639 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
640
641
642 //-- Create calorimeters geometry
643
644 // -------------------------------------------------------------------------------
645 //--> Neutron calorimeter (ZN)
646
647 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
648 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
649 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
650 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
651 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
652 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
653 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
654 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
655 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
656
657 // Divide ZNEU in towers (for hits purposes)
658
659 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
660 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
661
662 //-- Divide ZN1 in minitowers
663 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
664 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
665 // (4 fibres per minitower)
666
667 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
668 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
669
670 // --- Position the empty grooves in the sticks (4 grooves per stick)
671 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
672 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
673
674 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
675 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
676 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
677 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
678
679 // --- Position the fibers in the grooves
680 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
681 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
682 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
683 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
684
685 // --- Position the neutron calorimeter in ZDC
686 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
687
688
689 // -------------------------------------------------------------------------------
690 //--> Proton calorimeter (ZP)
691
692 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
693 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
694 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
695 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
696 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
697 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
698 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
699 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
700 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
701
702 //-- Divide ZPRO in towers(for hits purposes)
703
704 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
705 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
706
707
708 //-- Divide ZP1 in minitowers
709 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
710 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
711 // (4 fiber per minitower)
712
713 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
714 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
715
716 // --- Position the empty grooves in the sticks (4 grooves per stick)
717 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
718 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
719
720 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
721 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
722 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
723 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
724
725 // --- Position the fibers in the grooves
726 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
727 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
728 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
729 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
730
731
732 // --- Position the proton calorimeter in ZDC
733 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
734
735
736 // -------------------------------------------------------------------------------
737 // -> EM calorimeter (ZEM)
738
739 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
740
741 Int_t irot1, irot2;
742
743 gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1
744 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2
745// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
746
747 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
748
749 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
750
751 DimPb[0] = fDimZEMPb; // Lead slices
752 DimPb[1] = fDimZEM[2];
753 DimPb[2] = fDimZEM[1];
754 DimPb[3] = 90.-fDimZEM[3];
755 DimPb[4] = 0.;
756 DimPb[5] = 0.;
757 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
758 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
759// gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
760
761 // --- Position the lead slices in the tranche
762 Float_t zTran = fDimZEM[0]/fDivZEM[2];
763 Float_t zTrPb = -zTran+fDimZEMPb;
764 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
765 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
766
767 // --- Vacuum zone (to be filled with fibres)
768 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
769 DimVoid[1] = fDimZEM[2];
770 DimVoid[2] = fDimZEM[1];
771 DimVoid[3] = 90.-fDimZEM[3];
772 DimVoid[4] = 0.;
773 DimVoid[5] = 0.;
774 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
775 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
776
777 // --- Divide the vacuum slice into sticks along x axis
778 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
779 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
780
781 // --- Positioning the fibers into the sticks
782 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
783 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
784
785 // --- Positioning the vacuum slice into the tranche
786 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
787 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
788 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
789
790 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
c63eb7ab 791 // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume
792 // beacause it's impossible to make a ZDC pcon volume to contain
793 // both hadronics and EM calorimeters. (It causes many tracks abandoning).
794 gMC->Gspos("ZEM ", 1,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY");
4663d63d 795
796 // --- Adding last slice at the end of the EM calorimeter
797// Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
c63eb7ab 798// gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
4663d63d 799
800}
801
802//_____________________________________________________________________________
803void AliZDCv2::DrawModule()
804{
805 //
806 // Draw a shaded view of the Zero Degree Calorimeter version 1
807 //
808
809 // Set everything unseen
810 gMC->Gsatt("*", "seen", -1);
811 //
812 // Set ALIC mother transparent
813 gMC->Gsatt("ALIC","SEEN",0);
814 //
815 // Set the volumes visible
816 gMC->Gsatt("ZDC ","SEEN",0);
817 gMC->Gsatt("QT01","SEEN",1);
818 gMC->Gsatt("QT02","SEEN",1);
819 gMC->Gsatt("QT03","SEEN",1);
820 gMC->Gsatt("QT04","SEEN",1);
821 gMC->Gsatt("QT05","SEEN",1);
822 gMC->Gsatt("QT06","SEEN",1);
823 gMC->Gsatt("QT07","SEEN",1);
824 gMC->Gsatt("QT08","SEEN",1);
825 gMC->Gsatt("QT09","SEEN",1);
826 gMC->Gsatt("QT10","SEEN",1);
827 gMC->Gsatt("QT11","SEEN",1);
828 gMC->Gsatt("QT12","SEEN",1);
829 gMC->Gsatt("QT13","SEEN",1);
830 gMC->Gsatt("QT14","SEEN",1);
831 gMC->Gsatt("QT15","SEEN",1);
832 gMC->Gsatt("QT16","SEEN",1);
833 gMC->Gsatt("QT17","SEEN",1);
834 gMC->Gsatt("QT18","SEEN",1);
835 gMC->Gsatt("QC01","SEEN",1);
836 gMC->Gsatt("QC02","SEEN",1);
837 gMC->Gsatt("QC03","SEEN",1);
838 gMC->Gsatt("QC04","SEEN",1);
839 gMC->Gsatt("QC05","SEEN",1);
840 gMC->Gsatt("QTD1","SEEN",1);
841 gMC->Gsatt("QTD2","SEEN",1);
842 gMC->Gsatt("QTD3","SEEN",1);
843 gMC->Gsatt("MQXL","SEEN",1);
844 gMC->Gsatt("YMQL","SEEN",1);
845 gMC->Gsatt("MQX ","SEEN",1);
846 gMC->Gsatt("YMQ ","SEEN",1);
847 gMC->Gsatt("ZQYX","SEEN",1);
848 gMC->Gsatt("MD1 ","SEEN",1);
849 gMC->Gsatt("MD1V","SEEN",1);
850 gMC->Gsatt("YD1 ","SEEN",1);
851 gMC->Gsatt("MD2 ","SEEN",1);
852 gMC->Gsatt("YD2 ","SEEN",1);
853 gMC->Gsatt("ZNEU","SEEN",0);
854 gMC->Gsatt("ZNF1","SEEN",0);
855 gMC->Gsatt("ZNF2","SEEN",0);
856 gMC->Gsatt("ZNF3","SEEN",0);
857 gMC->Gsatt("ZNF4","SEEN",0);
858 gMC->Gsatt("ZNG1","SEEN",0);
859 gMC->Gsatt("ZNG2","SEEN",0);
860 gMC->Gsatt("ZNG3","SEEN",0);
861 gMC->Gsatt("ZNG4","SEEN",0);
862 gMC->Gsatt("ZNTX","SEEN",0);
863 gMC->Gsatt("ZN1 ","COLO",4);
864 gMC->Gsatt("ZN1 ","SEEN",1);
865 gMC->Gsatt("ZNSL","SEEN",0);
866 gMC->Gsatt("ZNST","SEEN",0);
867 gMC->Gsatt("ZPRO","SEEN",0);
868 gMC->Gsatt("ZPF1","SEEN",0);
869 gMC->Gsatt("ZPF2","SEEN",0);
870 gMC->Gsatt("ZPF3","SEEN",0);
871 gMC->Gsatt("ZPF4","SEEN",0);
872 gMC->Gsatt("ZPG1","SEEN",0);
873 gMC->Gsatt("ZPG2","SEEN",0);
874 gMC->Gsatt("ZPG3","SEEN",0);
875 gMC->Gsatt("ZPG4","SEEN",0);
876 gMC->Gsatt("ZPTX","SEEN",0);
877 gMC->Gsatt("ZP1 ","COLO",6);
878 gMC->Gsatt("ZP1 ","SEEN",1);
879 gMC->Gsatt("ZPSL","SEEN",0);
880 gMC->Gsatt("ZPST","SEEN",0);
881 gMC->Gsatt("ZEM ","COLO",7);
882 gMC->Gsatt("ZEM ","SEEN",1);
883 gMC->Gsatt("ZEMF","SEEN",0);
884 gMC->Gsatt("ZETR","SEEN",0);
885 gMC->Gsatt("ZEL0","SEEN",0);
886 gMC->Gsatt("ZEL1","SEEN",0);
887 gMC->Gsatt("ZEL2","SEEN",0);
888 gMC->Gsatt("ZEV0","SEEN",0);
889 gMC->Gsatt("ZEV1","SEEN",0);
890 gMC->Gsatt("ZES0","SEEN",0);
891 gMC->Gsatt("ZES1","SEEN",0);
892
893 //
894 gMC->Gdopt("hide", "on");
895 gMC->Gdopt("shad", "on");
896 gMC->Gsatt("*", "fill", 7);
897 gMC->SetClipBox(".");
898 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
899 gMC->DefaultRange();
900 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
901 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
902 gMC->Gdman(18, 4, "MAN");
903}
904
905//_____________________________________________________________________________
906void AliZDCv2::CreateMaterials()
907{
908 //
909 // Create Materials for the Zero Degree Calorimeter
910 //
911
912 Int_t *idtmed = fIdtmed->GetArray();
913
914 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
915 Int_t i;
916
917 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
918
919 // --- Tantalum -> ZN passive material
920 ubuf[0] = 1.1;
921 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
922
923 // --- Tungsten
924// ubuf[0] = 1.11;
925// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
926
927 // --- Brass (CuZn) -> ZP passive material
928 dens = 8.48;
929 a[0] = 63.546;
930 a[1] = 65.39;
931 z[0] = 29.;
932 z[1] = 30.;
933 wmat[0] = .63;
934 wmat[1] = .37;
935 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
936
937 // --- SiO2
938 dens = 2.64;
939 a[0] = 28.086;
940 a[1] = 15.9994;
941 z[0] = 14.;
942 z[1] = 8.;
943 wmat[0] = 1.;
944 wmat[1] = 2.;
945 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
946
947 // --- Lead
948 ubuf[0] = 1.12;
949 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
950
951 // --- Copper
952 ubuf[0] = 1.10;
953 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
954
955 // --- Iron (energy loss taken into account)
956 ubuf[0] = 1.1;
957 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
958
959 // --- Iron (no energy loss)
960 ubuf[0] = 1.1;
961 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
962
963 // --- Vacuum (no magnetic field)
964 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
965
966 // --- Vacuum (with magnetic field)
967 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
968
969 // --- Air (no magnetic field)
970 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
971
972 // --- Definition of tracking media:
973
974 // --- Tantalum = 1 ;
975 // --- Brass = 2 ;
976 // --- Fibers (SiO2) = 3 ;
977 // --- Fibers (SiO2) = 4 ;
978 // --- Lead = 5 ;
979 // --- Copper = 6 ;
980 // --- Iron (with energy loss) = 7 ;
981 // --- Iron (without energy loss) = 8 ;
982 // --- Vacuum (no field) = 10
983 // --- Vacuum (with field) = 11
984 // --- Air (no field) = 12
985
986
987 // --- Tracking media parameters
988 Float_t epsil = .01, stmin=0.01, stemax = 1.;
7cc664ae 989// Int_t isxfld = gAlice->Field()->Integ();
4663d63d 990 Float_t fieldm = 0., tmaxfd = 0.;
991 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
992
993 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
994// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
995 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
996 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
997 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
998 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
999// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1000// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1001 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1002 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1003 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1004 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1005 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1006
1007 ifield =2;
1008 fieldm = 45.;
7cc664ae 1009 AliMedium(11, "ZVOIM", 11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
4663d63d 1010
1011 // Thresholds for showering in the ZDCs
1012 i = 1; //tantalum
1013 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1014 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1015 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1016 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1017 i = 2; //brass
1018 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1019 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1020 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1021 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
1022 i = 5; //lead
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
1028 // Avoid too detailed showering in TDI
1029 i = 6; //copper
1030 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1031 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1032 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1033 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1034
1035 // Avoid too detailed showering along the beam line
1036 i = 7; //iron with energy loss (ZIRON)
1037 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1038 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1039 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1040 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1041
1042 // Avoid too detailed showering along the beam line
1043 i = 8; //iron with energy loss (ZIRONN)
1044 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1045 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1046 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1047 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1048
1049 // Avoid interaction in fibers (only energy loss allowed)
1050 i = 3; //fibers (ZSI02)
1051 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1052 gMC->Gstpar(idtmed[i], "MULS", 0.);
1053 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1054 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1055 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1056 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1057 gMC->Gstpar(idtmed[i], "COMP", 0.);
1058 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1059 gMC->Gstpar(idtmed[i], "BREM", 0.);
1060 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1061 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1062 gMC->Gstpar(idtmed[i], "HADR", 0.);
1063 i = 4; //fibers (ZQUAR)
1064 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1065 gMC->Gstpar(idtmed[i], "MULS", 0.);
1066 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1067 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1068 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1069 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1070 gMC->Gstpar(idtmed[i], "COMP", 0.);
1071 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1072 gMC->Gstpar(idtmed[i], "BREM", 0.);
1073 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1074 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1075 gMC->Gstpar(idtmed[i], "HADR", 0.);
1076
1077 // Avoid interaction in void
1078 i = 11; //void with field
1079 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1080 gMC->Gstpar(idtmed[i], "MULS", 0.);
1081 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1082 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1083 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1084 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1085 gMC->Gstpar(idtmed[i], "COMP", 0.);
1086 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1087 gMC->Gstpar(idtmed[i], "BREM", 0.);
1088 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1089 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1090 gMC->Gstpar(idtmed[i], "HADR", 0.);
1091
1092 //
1093 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1094 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
1095 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1096 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1097 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
1098// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1099// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
1100 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
1101}
1102
1103//_____________________________________________________________________________
1104void AliZDCv2::Init()
1105{
1106 InitTables();
1107}
1108
1109//_____________________________________________________________________________
1110void AliZDCv2::InitTables()
1111{
1112 Int_t k, j;
1113
1114 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1115 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
1116 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1117
1118 // --- Reading light tables for ZN
1119 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1120 if((fp1 = fopen(lightfName1,"r")) == NULL){
1121 printf("Cannot open file fp1 \n");
1122 return;
1123 }
1124 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1125 if((fp2 = fopen(lightfName2,"r")) == NULL){
1126 printf("Cannot open file fp2 \n");
1127 return;
1128 }
1129 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1130 if((fp3 = fopen(lightfName3,"r")) == NULL){
1131 printf("Cannot open file fp3 \n");
1132 return;
1133 }
1134 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1135 if((fp4 = fopen(lightfName4,"r")) == NULL){
1136 printf("Cannot open file fp4 \n");
1137 return;
1138 }
1139
1140 for(k=0; k<fNalfan; k++){
1141 for(j=0; j<fNben; j++){
1142 fscanf(fp1,"%f",&fTablen[0][k][j]);
1143 fscanf(fp2,"%f",&fTablen[1][k][j]);
1144 fscanf(fp3,"%f",&fTablen[2][k][j]);
1145 fscanf(fp4,"%f",&fTablen[3][k][j]);
1146 }
1147 }
1148 fclose(fp1);
1149 fclose(fp2);
1150 fclose(fp3);
1151 fclose(fp4);
1152
1153 // --- Reading light tables for ZP and ZEM
1154 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1155 if((fp5 = fopen(lightfName5,"r")) == NULL){
1156 printf("Cannot open file fp5 \n");
1157 return;
1158 }
1159 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1160 if((fp6 = fopen(lightfName6,"r")) == NULL){
1161 printf("Cannot open file fp6 \n");
1162 return;
1163 }
1164 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1165 if((fp7 = fopen(lightfName7,"r")) == NULL){
1166 printf("Cannot open file fp7 \n");
1167 return;
1168 }
1169 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1170 if((fp8 = fopen(lightfName8,"r")) == NULL){
1171 printf("Cannot open file fp8 \n");
1172 return;
1173 }
1174
1175 for(k=0; k<fNalfap; k++){
1176 for(j=0; j<fNbep; j++){
1177 fscanf(fp5,"%f",&fTablep[0][k][j]);
1178 fscanf(fp6,"%f",&fTablep[1][k][j]);
1179 fscanf(fp7,"%f",&fTablep[2][k][j]);
1180 fscanf(fp8,"%f",&fTablep[3][k][j]);
1181 }
1182 }
1183 fclose(fp5);
1184 fclose(fp6);
1185 fclose(fp7);
1186 fclose(fp8);
1187}
1188
1189//_____________________________________________________________________________
1190Int_t AliZDCv2::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1191{
1192 // Evaluation of the ADC channel corresponding to the light yield Light
1193
1194 if(fDebug == 1){
1195 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1196 }
1197
1198 // Parameters for conversion of light yield in ADC channels
1199 Float_t fPMGain[3][5]; // PM gain
1200 Float_t fADCRes; // ADC conversion factor
1201
1202 Int_t j,i;
1203 for(i=0; i<3; i++){
1204 for(j=0; j<5; j++){
1205 fPMGain[i][j] = 100000.;
1206 }
1207 }
1208 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1209
1210 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
1211
1212 return ADCch;
1213}
1214
1215
1216//_____________________________________________________________________________
1217void AliZDCv2::SDigits2Digits()
1218{
1219 Hits2Digits(gAlice->GetNtrack());
1220}
1221
1222//_____________________________________________________________________________
1223void AliZDCv2::Hits2Digits(Int_t ntracks)
1224{
1225 AliZDCDigit *newdigit;
1226 AliZDCHit *hit;
1227
1228 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1229
1230 Int_t i;
1231 for(i=0; i<4; i++){
1232 PMQZN[i] =0;
1233 PMQZP[i] =0;
1234 }
1235
1236 Int_t itrack = 0;
1237 for(itrack=0; itrack<ntracks; itrack++){
1238 gAlice->ResetHits();
1239 gAlice->TreeH()->GetEvent(itrack);
1240 for(i=0; i<fHits->GetEntries(); i++){
1241 hit = (AliZDCHit*)fHits->At(i);
1242 Int_t det = hit->GetVolume(0);
1243 Int_t quad = hit->GetVolume(1);
1244 Int_t lightQ = Int_t(hit->GetLightPMQ());
1245 Int_t lightC = Int_t(hit->GetLightPMC());
1246 if(fDebug == 1)
1247 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1248 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1249
1250 if(det == 1){ //ZN
1251 PMCZN = PMCZN + lightC;
1252 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1253 }
1254
1255 if(det == 2){ //ZP
1256 PMCZP = PMCZP + lightC;
1257 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1258 }
1259
1260 if(det == 3){ //ZEM
1261 PMZEM = PMZEM + lightC;
1262 }
1263 } // Hits loop
1264
1265 } // Tracks loop
1266
1267 if(fDebug == 1){
1268 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1269 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1270 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1271 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1272 printf("\n PMZEM = %d\n", PMZEM);
1273 }
1274
1275 // ------------------------------------ Hits2Digits
1276 // Digits for ZN
1277 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1278 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1279 fNdigits++;
1280 delete newdigit;
1281
1282 Int_t j;
1283 for(j=0; j<4; j++){
1284 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1285 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1286 fNdigits++;
1287 delete newdigit;
1288 }
1289
1290 // Digits for ZP
1291 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1292 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1293 fNdigits++;
1294 delete newdigit;
1295
1296 Int_t k;
1297 for(k=0; k<4; k++){
1298 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1299 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1300 fNdigits++;
1301 delete newdigit;
1302 }
1303
1304 // Digits for ZEM
1305 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1306 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1307 fNdigits++;
1308 delete newdigit;
1309
1310
1311 gAlice->TreeD()->Fill();
1312 gAlice->TreeD()->Write(0,TObject::kOverwrite);
1313
1314// if(fDebug == 1){
1315// printf("\n Event Digits -----------------------------------------------------\n");
1316// fDigits->Print("");
1317// }
1318
1319}
1320//_____________________________________________________________________________
8064008b 1321 void AliZDCv2::MakeBranch(Option_t *opt, const char *file)
4663d63d 1322{
1323 //
1324 // Create a new branch in the current Root Tree
1325 //
1326
1327 AliDetector::MakeBranch(opt);
1328
1329 Char_t branchname[10];
1330 sprintf(branchname,"%s",GetName());
1331 const char *cD = strstr(opt,"D");
1332
1333 if (gAlice->TreeD() && cD) {
1334
1335 // Creation of the digits from hits
1336
1337 if(fDigits!=0) fDigits->Clear();
1338 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1339 char branchname[10];
1340 sprintf(branchname,"%s",GetName());
8064008b 1341 MakeBranchInTree(gAlice->TreeD(),
1342 branchname, &fDigits, fBufferSize, file) ;
4663d63d 1343 printf("* AliZDCv2::MakeBranch * Making Branch %s for digits\n\n",branchname);
1344 }
1345
1346}
1347//_____________________________________________________________________________
1348void AliZDCv2::StepManager()
1349{
1350 //
1351 // Routine called at every step in the Zero Degree Calorimeters
1352 //
1353
1354 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
1355 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
1356 TLorentzVector s, p;
1357 const char *knamed;
1358
1359 for (j=0;j<10;j++) hits[j]=0;
1360
1361 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1362 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
1363 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1364// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1365
1366 // If particle interacts with beam pipe -> return
1367// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
1368 // If option NoShower is set -> StopTrack
1369// if(fNoShower==1) {
1370// if(gMC->GetMedium() == fMedSensPI) {
1371// knamed = gMC->CurrentVolName();
1372// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1373// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1374// }
1375// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
1376// gMC->StopTrack();
1377// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1378// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1379// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
4663d63d 1380// }
7cc664ae 1381// return;
4663d63d 1382// }
1383
1384 //Particle coordinates
1385 gMC->TrackPosition(s);
1386 for(j=0; j<=2; j++){
1387 x[j] = s[j];
1388 }
1389 hits[0] = x[0];
1390 hits[1] = x[1];
1391 hits[2] = x[2];
1392
1393 // Determine in which ZDC the particle is
1394 knamed = gMC->CurrentVolName();
1395 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1396 if(!strncmp(knamed,"ZP",2))vol[0]=2;
1397 if(!strncmp(knamed,"ZE",2))vol[0]=3;
1398
1399 // Determine in which quadrant the particle is
1400
1401 //Quadrant in ZN
1402 if(vol[0]==1){
1403 xdet[0] = x[0]-fPosZN[0];
1404 xdet[1] = x[1]-fPosZN[1];
1405 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1406 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1407 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1408 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
1409 }
1410
1411 //Quadrant in ZP
1412 if(vol[0]==2){
1413 xdet[0] = x[0]-fPosZP[0];
1414 xdet[1] = x[1]-fPosZP[1];
1415 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1416 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
1417 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1418 for(int i=1; i<=4; i++){
1419 if(xqZP>=(i-3) && xqZP<(i-2)){
1420 vol[1] = i;
1421 break;
1422 }
1423 }
1424 }
1425
1426 //ZEM has only 1 quadrant
1427 if(vol[0] == 3){
1428 vol[1] = 1;
1429 xdet[0] = x[0]-fPosZEM[0];
1430 xdet[1] = x[1]-fPosZEM[1];
1431 }
1432
1433 // Store impact point and kinetic energy of the ENTERING particle
1434
1435// if(Curtrack==Prim){
1436 if(gMC->IsTrackEntering()){
1437 //Particle energy
1438 gMC->TrackMomentum(p);
1439 hits[3] = p[3];
1440 // Impact point on ZDC
1441 hits[4] = xdet[0];
1442 hits[5] = xdet[1];
1443 hits[6] = 0;
1444 hits[7] = 0;
1445 hits[8] = 0;
1446 hits[9] = 0;
1447
1448// Int_t PcID = gMC->TrackPid();
1449// printf("Pc ID -> %d\n",PcID);
1450 AddHit(gAlice->CurrentTrack(), vol, hits);
1451
1452 if(fNoShower==1){
1453// fpDetected += 1;
1454 gMC->StopTrack();
1455// printf("\n # of detected p = %d\n",fpDetected);
1456 return;
1457 }
1458 }
1459// } // Curtrack IF
1460
1461 // Charged particles -> Energy loss
1462 if((destep=gMC->Edep())){
1463 if(gMC->IsTrackStop()){
1464 gMC->TrackMomentum(p);
1465 m = gMC->TrackMass();
1466 ekin = p[3]-m;
1467 hits[9] = ekin;
1468 hits[7] = 0.;
1469 hits[8] = 0.;
1470 AddHit(gAlice->CurrentTrack(), vol, hits);
1471 }
1472 else{
1473 hits[9] = destep;
1474 hits[7] = 0.;
1475 hits[8] = 0.;
1476 AddHit(gAlice->CurrentTrack(), vol, hits);
1477 }
1478// printf(" Dep. E = %f \n",hits[9]);
1479 }
1480 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
1481
1482
1483 // *** Light production in fibres
1484 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
1485
1486 //Select charged particles
1487 if((destep=gMC->Edep())){
1488
1489 // Particle velocity
1490 gMC->TrackMomentum(p);
1491 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1492 Float_t beta = ptot/p[3];
1493 if(beta<0.67) return;
1494 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1495 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1496 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
1497 if(beta>0.95) ibeta = 3;
1498
1499 // Angle between particle trajectory and fibre axis
1500 // 1 -> Momentum directions
1501 um[0] = p[0]/ptot;
1502 um[1] = p[1]/ptot;
1503 um[2] = p[2]/ptot;
1504 gMC->Gmtod(um,ud,2);
1505 // 2 -> Angle < limit angle
1506 Double_t alfar = TMath::ACos(ud[2]);
1507 Double_t alfa = alfar*kRaddeg;
1508 if(alfa>=110.) return;
1509 ialfa = Int_t(1.+alfa/2.);
1510
1511 // Distance between particle trajectory and fibre axis
1512 gMC->TrackPosition(s);
1513 for(j=0; j<=2; j++){
1514 x[j] = s[j];
1515 }
1516 gMC->Gmtod(x,xdet,1);
1517 if(TMath::Abs(ud[0])>0.00001){
1518 Float_t dcoeff = ud[1]/ud[0];
1519 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1520 }
1521 else{
1522 be = TMath::Abs(ud[0]);
1523 }
1524
1525 if((vol[0]==1)) radius = fFibZN[1];
1526 if((vol[0]==2)) radius = fFibZP[1];
1527 ibe = Int_t(be*1000.+1);
1528
1529 //Looking into the light tables
1530 Float_t charge = gMC->TrackCharge();
1531
1532 // (1) ZN
1533 if((vol[0]==1)) {
1534 if(ibe>fNben) ibe=fNben;
1535 out = charge*charge*fTablen[ibeta][ialfa][ibe];
1536 nphe = gRandom->Poisson(out);
1537// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1538// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1539 if(gMC->GetMedium() == fMedSensF1){
1540 hits[7] = nphe; //fLightPMQ
1541 hits[8] = 0;
1542 hits[9] = 0;
1543 AddHit(gAlice->CurrentTrack(), vol, hits);
1544 }
1545 else{
1546 hits[7] = 0;
1547 hits[8] = nphe; //fLightPMC
1548 hits[9] = 0;
1549 AddHit(gAlice->CurrentTrack(), vol, hits);
1550 }
1551 }
1552
1553 // (2) ZP
1554 if((vol[0]==2)) {
1555 if(ibe>fNbep) ibe=fNbep;
1556 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1557 nphe = gRandom->Poisson(out);
1558// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1559// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1560 if(gMC->GetMedium() == fMedSensF1){
1561 hits[7] = nphe; //fLightPMQ
1562 hits[8] = 0;
1563 hits[9] = 0;
1564 AddHit(gAlice->CurrentTrack(), vol, hits);
1565 }
1566 else{
1567 hits[7] = 0;
1568 hits[8] = nphe; //fLightPMC
1569 hits[9] = 0;
1570 AddHit(gAlice->CurrentTrack(), vol, hits);
1571 }
1572 }
1573 // (3) ZEM
1574 if((vol[0]==3)) {
1575 if(ibe>fNbep) ibe=fNbep;
1576 out = charge*charge*fTablep[ibeta][ialfa][ibe];
1577 nphe = gRandom->Poisson(out);
1578// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1579// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
1580 hits[7] = 0;
1581 hits[8] = nphe; //fLightPMC
1582 hits[9] = 0;
1583 AddHit(gAlice->CurrentTrack(), vol, hits);
1584 }
1585 }
1586 }
1587}