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[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$Log$
9e1a0ddb 18Revision 1.23 2001/05/14 09:51:50 coppedis
19Change in AddHit suggested by J. Chudoba
20
de28527d 21Revision 1.22 2001/05/05 13:33:19 coppedis
22Changes in StepManager to speed simulation
23
d213f1fa 24Revision 1.21 2001/05/02 11:54:34 enrico
25Minor change
26
57c25752 27Revision 1.20 2001/05/02 10:33:11 coppedis
28Modify tmaxfd in media definition
29
fbf7f757 30Revision 1.19 2001/04/27 08:35:01 coppedis
31Remove some lines for proton acceptance studies
32
4f9ca16e 33Revision 1.18 2001/04/20 10:08:45 coppedis
34Preliminary version of optics 6.2 - Insertion of TDI
35
a2216698 36Revision 1.17 2001/03/16 16:18:10 coppedis
37Correction for superposition of ZDC volumes with MUON arm one
38
0014adbc 39Revision 1.16 2001/03/15 16:12:04 coppedis
40Code review
41
5a881c97 42Revision 1.15 2001/03/12 17:47:56 hristov
43Changes needed on Sun with CC 5.0
44
5cf7bbad 45Revision 1.14 2001/02/23 16:48:28 coppedis
46Correct bug in ZEM hit definition
47
0c9b76ab 48Revision 1.13 2001/02/07 18:07:41 coppedis
49Modif for splitting
50
7d285fe3 51Revision 1.12 2001/01/26 19:56:27 hristov
52Major upgrade of AliRoot code
53
2ab0c725 54Revision 1.11 2001/01/16 07:43:33 hristov
55Initialisation of ZDC hits
56
de6bc247 57Revision 1.10 2000/12/14 15:20:02 coppedis
58Hits2Digits method for digitization
59
cc9c0243 60Revision 1.9 2000/12/13 10:33:49 coppedis
61Prints only if fDebug==1
62
9d7316ac 63Revision 1.8 2000/12/12 14:10:02 coppedis
64Correction suggested by M. Masera
65
bdee0299 66Revision 1.7 2000/11/30 17:23:47 coppedis
67Remove first corrector dipole and introduce digitization
68
5ce39387 69Revision 1.6 2000/11/22 11:33:10 coppedis
70Major code revision
71
866ab5a2 72Revision 1.5 2000/10/02 21:28:20 fca
73Removal of useless dependecies via forward declarations
74
75Revision 1.3.2.1 2000/08/24 09:25:47 hristov
76Patch by P.Hristov: Bug in ZDC geometry corrected by E.Scomparin
77
94de3818 78Revision 1.4 2000/08/24 09:23:59 hristov
79Bug in ZDC geometry corrected by E.Scomparin
80
0500bdfc 81Revision 1.3 2000/07/12 06:59:16 fca
82Fixing dimension of hits array
83
366ff5c2 84Revision 1.2 2000/07/11 11:12:34 fca
85Some syntax corrections for non standard HP aCC
86
c0ceba4c 87Revision 1.1 2000/07/10 13:58:01 fca
5a881c97 88New version of ZDC from E.Scomparin & C.Oppedisano
c0ceba4c 89
68ca986e 90Revision 1.7 2000/01/19 17:17:40 fca
91
92Revision 1.6 1999/09/29 09:24:35 fca
93Introduction of the Copyright and cvs Log
94
95*/
96
97///////////////////////////////////////////////////////////////////////////////
98// //
99// Zero Degree Calorimeter //
866ab5a2 100// This class contains the basic functions for the ZDC //
101// Functions specific to one particular geometry are //
68ca986e 102// contained in the derived classes //
103// //
104///////////////////////////////////////////////////////////////////////////////
105
cc9c0243 106// --- Standard libraries
107#include "stdio.h"
108
5ce39387 109// --- ROOT system
68ca986e 110#include <TBRIK.h>
111#include <TNode.h>
112#include <TMath.h>
5ce39387 113#include <TRandom.h>
866ab5a2 114#include <TSystem.h>
5ce39387 115#include <TTree.h>
68ca986e 116
5ce39387 117
118// --- AliRoot classes
68ca986e 119#include "AliZDCv1.h"
5ce39387 120#include "AliZDCHit.h"
121#include "AliZDCDigit.h"
68ca986e 122#include "AliRun.h"
5ce39387 123#include "AliDetector.h"
94de3818 124#include "AliMagF.h"
68ca986e 125#include "AliMC.h"
126#include "AliCallf77.h"
127#include "AliConst.h"
128#include "AliPDG.h"
5ce39387 129#include "TLorentzVector.h"
68ca986e 130
131
132ClassImp(AliZDCv1)
133
134
135///////////////////////////////////////////////////////////////////////////////
136// //
137// Zero Degree Calorimeter version 1 //
138// //
139///////////////////////////////////////////////////////////////////////////////
140
141//_____________________________________________________________________________
142AliZDCv1::AliZDCv1() : AliZDC()
143{
144 //
145 // Default constructor for Zero Degree Calorimeter
146 //
5ce39387 147
866ab5a2 148 fMedSensF1 = 0;
149 fMedSensF2 = 0;
150 fMedSensZN = 0;
151 fMedSensZP = 0;
866ab5a2 152 fMedSensZEM = 0;
5a881c97 153 fMedSensGR = 0;
de28527d 154// fMedSensPI = 0;
155// fMedSensTDI = 0;
68ca986e 156}
157
158//_____________________________________________________________________________
159AliZDCv1::AliZDCv1(const char *name, const char *title)
160 : AliZDC(name,title)
161{
162 //
163 // Standard constructor for Zero Degree Calorimeter
164 //
a2216698 165 //
166 // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!)
167
168 AliModule* PIPE=gAlice->GetModule("PIPE");
169 AliModule* ABSO=gAlice->GetModule("ABSO");
170 AliModule* DIPO=gAlice->GetModule("DIPO");
171 AliModule* SHIL=gAlice->GetModule("SHIL");
172 if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
173 Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
174 exit(1);
175 }
5ce39387 176
866ab5a2 177 fMedSensF1 = 0;
178 fMedSensF2 = 0;
179 fMedSensZN = 0;
180 fMedSensZP = 0;
866ab5a2 181 fMedSensZEM = 0;
5a881c97 182 fMedSensGR = 0;
de28527d 183// fMedSensPI = 0;
184// fMedSensTDI = 0;
5a881c97 185
186
187 // Parameters for light tables
188 fNalfan = 90; // Number of Alfa (neutrons)
189 fNalfap = 90; // Number of Alfa (protons)
190 fNben = 18; // Number of beta (neutrons)
191 fNbep = 28; // Number of beta (protons)
192 Int_t ip,jp,kp;
193 for(ip=0; ip<4; ip++){
194 for(kp=0; kp<fNalfap; kp++){
195 for(jp=0; jp<fNbep; jp++){
196 fTablep[ip][kp][jp] = 0;
197 }
198 }
199 }
200 Int_t in,jn,kn;
201 for(in=0; in<4; in++){
202 for(kn=0; kn<fNalfan; kn++){
203 for(jn=0; jn<fNben; jn++){
204 fTablen[in][kn][jn] = 0;
205 }
206 }
207 }
208
209 // Parameters for hadronic calorimeters geometry
210 fDimZP[0] = 11.2;
211 fDimZP[1] = 6.;
212 fDimZP[2] = 75.;
213 fPosZN[0] = 0.;
a2216698 214 fPosZN[1] = -1.2;
5a881c97 215 fPosZN[2] = 11650.;
a2216698 216 fPosZP[0] = -24.;
5a881c97 217 fPosZP[1] = 0.;
218 fPosZP[2] = 11600.;
219 fFibZN[0] = 0.;
220 fFibZN[1] = 0.01825;
221 fFibZN[2] = 50.;
222 fFibZP[0] = 0.;
223 fFibZP[1] = 0.0275;
224 fFibZP[2] = 75.;
225
226 // Parameters for EM calorimeter geometry
227 fPosZEM[0] = 0.;
228 fPosZEM[1] = 5.8;
229 fPosZEM[2] = 11600.;
230
231
232 fDigits = new TClonesArray("AliZDCDigit",1000);
68ca986e 233}
234
235//_____________________________________________________________________________
236void AliZDCv1::CreateGeometry()
237{
238 //
239 // Create the geometry for the Zero Degree Calorimeter version 1
240 //* Initialize COMMON block ZDC_CGEOM
241 //*
242
243 CreateBeamLine();
244 CreateZDC();
245}
246
247//_____________________________________________________________________________
248void AliZDCv1::CreateBeamLine()
249{
250
a2216698 251 Float_t zq, zd1, zd2;
252 Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3];
68ca986e 253 Int_t im1, im2;
68ca986e 254
255 Int_t *idtmed = fIdtmed->GetArray();
256
a2216698 257 // -- Mother of the ZDCs (Vacuum PCON)
68ca986e 258
259 conpar[0] = 0.;
260 conpar[1] = 360.;
261 conpar[2] = 2.;
0014adbc 262 conpar[3] = 2000.;
68ca986e 263 conpar[4] = 0.;
264 conpar[5] = 55.;
265 conpar[6] = 13060.;
266 conpar[7] = 0.;
267 conpar[8] = 55.;
a2216698 268 gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9);
68ca986e 269 gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY");
270
271 // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to
a2216698 272 // the beginning of D1)
68ca986e 273
0014adbc 274 zd1 = 2000.;
68ca986e 275
276 tubpar[0] = 6.3/2.;
277 tubpar[1] = 6.7/2.;
0014adbc 278 tubpar[2] = 3838.3/2.;
a2216698 279 gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3);
280 gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
281
282 //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the
283 // beginning of D2)
284
285 //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm
286 //-- Cylindrical pipe (r = 3.47) + conical flare
287
288 // -> Beginning of D1
289 zd1 += 2.*tubpar[2];
290
291 tubpar[0] = 3.47;
292 tubpar[1] = 3.47+0.2;
293 tubpar[2] = 958.5/2.;
294 gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3);
295 gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
296
297 zd1 += 2.*tubpar[2];
68ca986e 298
299 conpar[0] = 25./2.;
300 conpar[1] = 6.44/2.;
301 conpar[2] = 6.84/2.;
302 conpar[3] = 10./2.;
303 conpar[4] = 10.4/2.;
a2216698 304 gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5);
305 gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
68ca986e 306
307 zd1 += 2.*conpar[0];
308
309 tubpar[0] = 10./2.;
310 tubpar[1] = 10.4/2.;
311 tubpar[2] = 50./2.;
a2216698 312 gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3);
313 gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 314
5a881c97 315 zd1 += tubpar[2]*2.;
68ca986e 316
317 tubpar[0] = 10./2.;
318 tubpar[1] = 10.4/2.;
319 tubpar[2] = 10./2.;
a2216698 320 gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3);
321 gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 322
323 zd1 += tubpar[2] * 2.;
324
325 tubpar[0] = 10./2.;
326 tubpar[1] = 10.4/2.;
327 tubpar[2] = 3.16/2.;
a2216698 328 gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3);
329 gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY");
68ca986e 330
331 zd1 += tubpar[2] * 2.;
332
333 tubpar[0] = 10.0/2.;
334 tubpar[1] = 10.4/2;
335 tubpar[2] = 190./2.;
a2216698 336 gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3);
337 gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 338
339 zd1 += tubpar[2] * 2.;
340
341 conpar[0] = 30./2.;
342 conpar[1] = 10./2.;
343 conpar[2] = 10.4/2.;
344 conpar[3] = 20.6/2.;
345 conpar[4] = 21./2.;
a2216698 346 gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5);
347 gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
68ca986e 348
349 zd1 += conpar[0] * 2.;
350
351 tubpar[0] = 20.6/2.;
352 tubpar[1] = 21./2.;
353 tubpar[2] = 450./2.;
a2216698 354 gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3);
355 gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 356
357 zd1 += tubpar[2] * 2.;
358
359 conpar[0] = 13.6/2.;
360 conpar[1] = 20.6/2.;
361 conpar[2] = 21./2.;
362 conpar[3] = 25.4/2.;
363 conpar[4] = 25.8/2.;
a2216698 364 gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5);
365 gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
68ca986e 366
367 zd1 += conpar[0] * 2.;
368
369 tubpar[0] = 25.4/2.;
370 tubpar[1] = 25.8/2.;
371 tubpar[2] = 205.8/2.;
a2216698 372 gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3);
373 gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 374
375 zd1 += tubpar[2] * 2.;
376
377 tubpar[0] = 50./2.;
378 tubpar[1] = 50.4/2.;
a2216698 379 // QT09 is 10 cm longer to accomodate TDI
380 tubpar[2] = 515.4/2.;
381 gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3);
382 gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
383
384 // --- Insert TDI (inside ZDC volume)
385
386 boxpar[0] = 5.6;
387 boxpar[1] = 5.6;
388 boxpar[2] = 400./2.;
389 gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3);
390 gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
391 gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY");
392
393 boxpar[0] = 0.2/2.;
394 boxpar[1] = 5.6;
395 boxpar[2] = 400./2.;
396 gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3);
397 gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
398
399 tubspar[0] = 6.2;
400 tubspar[1] = 6.4;
401 tubspar[2] = 400./2.;
402 tubspar[3] = 180.-62.5;
403 tubspar[4] = 180.+62.5;
404 gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5);
405 gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY");
406
68ca986e 407 zd1 += tubpar[2] * 2.;
408
409 tubpar[0] = 50./2.;
410 tubpar[1] = 50.4/2.;
a2216698 411 // QT10 is 10 cm shorter
412 tubpar[2] = 690./2.;
413 gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3);
414 gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 415
416 zd1 += tubpar[2] * 2.;
417
418 tubpar[0] = 50./2.;
419 tubpar[1] = 50.4/2.;
420 tubpar[2] = 778.5/2.;
a2216698 421 gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3);
422 gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 423
424 zd1 += tubpar[2] * 2.;
425
426 conpar[0] = 14.18/2.;
427 conpar[1] = 50./2.;
428 conpar[2] = 50.4/2.;
429 conpar[3] = 55./2.;
430 conpar[4] = 55.4/2.;
a2216698 431 gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5);
432 gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
68ca986e 433
434 zd1 += conpar[0] * 2.;
435
436 tubpar[0] = 55./2.;
437 tubpar[1] = 55.4/2.;
438 tubpar[2] = 730./2.;
a2216698 439 gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3);
440 gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 441
442 zd1 += tubpar[2] * 2.;
443
444 conpar[0] = 36.86/2.;
445 conpar[1] = 55./2.;
446 conpar[2] = 55.4/2.;
447 conpar[3] = 68./2.;
448 conpar[4] = 68.4/2.;
a2216698 449 gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5);
450 gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY");
68ca986e 451
452 zd1 += conpar[0] * 2.;
453
454 tubpar[0] = 68./2.;
455 tubpar[1] = 68.4/2.;
456 tubpar[2] = 927.3/2.;
a2216698 457 gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3);
458 gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 459
460 zd1 += tubpar[2] * 2.;
461
462 tubpar[0] = 0./2.;
463 tubpar[1] = 68.4/2.;
464 tubpar[2] = 0.2/2.;
a2216698 465 gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3);
466 gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
68ca986e 467
468 zd1 += tubpar[2] * 2.;
469
470 tubpar[0] = 0./2.;
a2216698 471 tubpar[1] = 6.4/2.;
68ca986e 472 tubpar[2] = 0.2/2.;
a2216698 473 gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3);
68ca986e 474
a2216698 475 //-- Position QT15 inside QT14
476 gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY");
68ca986e 477
478 tubpar[0] = 0./2.;
a2216698 479 tubpar[1] = 6.4/2.;
68ca986e 480 tubpar[2] = 0.2/2.;
a2216698 481 gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3);
482
483 //-- Position QT16 inside QT14
484 gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY");
68ca986e 485
68ca986e 486
487 //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2
488
a2216698 489 tubpar[0] = 6.4/2.;
490 tubpar[1] = 6.8/2.;
491 tubpar[2] = 680.8/2.;
492 gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3);
68ca986e 493
a2216698 494 tubpar[0] = 6.4/2.;
495 tubpar[1] = 6.8/2.;
496 tubpar[2] = 680.8/2.;
497 gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3);
68ca986e 498
499 // -- ROTATE PIPES
500
a2216698 501 Float_t angle = 0.143*kDegrad;
68ca986e 502
a2216698 503 AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.);
504 gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4,
505 0., tubpar[2] + zd1, im1, "ONLY");
506
507 AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.);
508 gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2.,
509 0., tubpar[2] + zd1, im2, "ONLY");
510
511
512 // -- END OF BEAM PIPE VOLUME DEFINITION.
513 // ----------------------------------------------------------------
514
515 // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version)
68ca986e 516
0014adbc 517 // ----------------------------------------------------------------
518 // Replaced by the muon dipole
519 // ----------------------------------------------------------------
68ca986e 520 // -- COMPENSATOR DIPOLE (MBXW)
521 // GAP (VACUUM WITH MAGNETIC FIELD)
522
5ce39387 523// tubpar[0] = 0.;
524// tubpar[1] = 4.5;
525// tubpar[2] = 340./2.;
526// gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3);
527// gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
68ca986e 528
529 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
530
5ce39387 531// tubpar[0] = 4.5;
532// tubpar[1] = 55.;
533// tubpar[2] = 340./2.;
a2216698 534// gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3);
5ce39387 535// gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY");
68ca986e 536
0014adbc 537 // ----------------------------------------------------------------
a2216698 538 // Replaced by the second dipole
0014adbc 539 // ----------------------------------------------------------------
68ca986e 540 // -- COMPENSATOR DIPOLE (MCBWA)
541 // GAP (VACUUM WITH MAGNETIC FIELD)
542
0014adbc 543// tubpar[0] = 0.;
544// tubpar[1] = 4.5;
545// tubpar[2] = 170./2.;
546// gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3);
547// gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
68ca986e 548
549 // -- YOKE (IRON WITHOUT MAGNETIC FIELD)
550
0014adbc 551// tubpar[0] = 4.5;
552// tubpar[1] = 55.;
553// tubpar[2] = 170./2.;
a2216698 554// gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3);
0014adbc 555// gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY");
68ca986e 556
557 // -- INNER TRIPLET
558
a2216698 559 zq = 2296.5;
68ca986e 560
561 // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT
562
563 // MQXL
564 // -- GAP (VACUUM WITH MAGNETIC FIELD)
565
566 tubpar[0] = 0.;
567 tubpar[1] = 3.5;
a2216698 568 tubpar[2] = 637./2.;
68ca986e 569 gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3);
570
571 // -- YOKE
572
573 tubpar[0] = 3.5;
574 tubpar[1] = 22.;
a2216698 575 tubpar[2] = 637./2.;
576 gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3);
68ca986e 577
578 gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
579 gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY");
580
581 gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
582 gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY");
583
584 // -- MQX
585 // -- GAP (VACUUM WITH MAGNETIC FIELD)
586
587 tubpar[0] = 0.;
588 tubpar[1] = 3.5;
589 tubpar[2] = 550./2.;
590 gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3);
591
592 // -- YOKE
593
594 tubpar[0] = 3.5;
595 tubpar[1] = 22.;
596 tubpar[2] = 550./2.;
a2216698 597 gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3);
68ca986e 598
a2216698 599 gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
600 gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY");
68ca986e 601
a2216698 602 gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
603 gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY");
68ca986e 604
605 // -- SEPARATOR DIPOLE D1
606
607 zd1 = 5838.3;
608
609 // -- GAP (VACUUM WITH MAGNETIC FIELD)
610
611 tubpar[0] = 0.;
a2216698 612 tubpar[1] = 6.94/2.;
68ca986e 613 tubpar[2] = 945./2.;
a2216698 614 gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3);
615
616 // -- Insert horizontal Cu plates inside D1
617 // -- (to simulate the vacuum chamber)
68ca986e 618
a2216698 619 boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2));
620 boxpar[1] = 0.2/2.;
621 boxpar[2] =945./2.;
622 gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3);
623 gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY");
624 gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY");
625
68ca986e 626 // -- YOKE
627
628 tubpar[0] = 0.;
629 tubpar[1] = 110./2;
630 tubpar[2] = 945./2.;
a2216698 631 gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3);
68ca986e 632
633 gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY");
a2216698 634 gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY");
68ca986e 635
636 // -- DIPOLE D2
637
638 zd2 = 12147.6;
639
640 // -- GAP (VACUUM WITH MAGNETIC FIELD)
641
642 tubpar[0] = 0.;
643 tubpar[1] = 7.5/2.;
644 tubpar[2] = 945./2.;
a2216698 645 gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3);
68ca986e 646
647 // -- YOKE
648
649 tubpar[0] = 0.;
650 tubpar[1] = 55.;
651 tubpar[2] = 945./2.;
a2216698 652 gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3);
68ca986e 653
654 gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY");
655
a2216698 656 gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY");
657 gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY");
68ca986e 658
659 // -- END OF MAGNET DEFINITION
660}
661
662//_____________________________________________________________________________
663void AliZDCv1::CreateZDC()
664{
665
866ab5a2 666 Float_t DimPb[6], DimVoid[6];
5a881c97 667
668 Int_t *idtmed = fIdtmed->GetArray();
669
670 // Parameters for hadronic calorimeters geometry
671 // NB -> parameters used ONLY in CreateZDC()
672 Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector
673 Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector
674 Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector
675 Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector
676 Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector
677 Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector
678 Int_t fTowZP[2] = {4, 1}; // Tower for proton detector
679
680 // Parameters for EM calorimeter geometry
681 // NB -> parameters used ONLY in CreateZDC()
682 Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice
683 Float_t fDimZEMAir = 0.001; // scotch
684 Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding)
685 Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector
686 Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
687 Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector
688 Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
689 Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter
866ab5a2 690
68ca986e 691
692 //-- Create calorimeters geometry
693
a2216698 694 // -------------------------------------------------------------------------------
68ca986e 695 //--> Neutron calorimeter (ZN)
696
697 gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material
698 gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material
699 gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3);
700 gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3);
701 gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3);
702 gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves
703 gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3);
704 gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3);
705 gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3);
706
707 // Divide ZNEU in towers (for hits purposes)
708
709 gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower
710 gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower
711
712 //-- Divide ZN1 in minitowers
713 // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS,
714 // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS
715 // (4 fibres per minitower)
716
717 gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices
718 gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks
719
720 // --- Position the empty grooves in the sticks (4 grooves per stick)
721 Float_t dx = fDimZN[0] / fDivZN[0] / 4.;
722 Float_t dy = fDimZN[1] / fDivZN[1] / 4.;
723
724 gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY");
725 gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY");
726 gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY");
727 gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY");
728
729 // --- Position the fibers in the grooves
730 gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY");
731 gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY");
732 gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY");
733 gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY");
734
735 // --- Position the neutron calorimeter in ZDC
736 gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY");
737
866ab5a2 738
a2216698 739 // -------------------------------------------------------------------------------
866ab5a2 740 //--> Proton calorimeter (ZP)
68ca986e 741
742 gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material
743 gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material
744 gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3);
745 gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3);
746 gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3);
747 gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves
748 gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3);
749 gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3);
750 gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3);
751
752 //-- Divide ZPRO in towers(for hits purposes)
753
754 gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower
755 gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower
756
757
758 //-- Divide ZP1 in minitowers
759 // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER,
760 // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER
761 // (4 fiber per minitower)
762
763 gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices
764 gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks
765
766 // --- Position the empty grooves in the sticks (4 grooves per stick)
767 dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.;
768 dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.;
769
770 gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY");
771 gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY");
772 gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY");
773 gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY");
774
775 // --- Position the fibers in the grooves
776 gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY");
777 gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY");
778 gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY");
779 gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY");
780
781
782 // --- Position the proton calorimeter in ZDC
783 gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY");
866ab5a2 784
785
a2216698 786 // -------------------------------------------------------------------------------
787 // -> EM calorimeter (ZEM)
866ab5a2 788
789 gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6);
a2216698 790
791 Int_t irot1, irot2;
866ab5a2 792
a2216698 793 gMC->Matrix(irot1,0.,0.,90.,90.,90.,180.); // Rotation matrix 1
866ab5a2 794 gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]); // Rotation matrix 2
795// printf("irot1 = %d, irot2 = %d \n", irot1, irot2);
796
797 gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material
798
799 gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches
800
801 DimPb[0] = fDimZEMPb; // Lead slices
802 DimPb[1] = fDimZEM[2];
803 DimPb[2] = fDimZEM[1];
804 DimPb[3] = 90.-fDimZEM[3];
805 DimPb[4] = 0.;
806 DimPb[5] = 0.;
a2216698 807 gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6);
808 gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6);
809 gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6);
866ab5a2 810
811 // --- Position the lead slices in the tranche
812 Float_t zTran = fDimZEM[0]/fDivZEM[2];
813 Float_t zTrPb = -zTran+fDimZEMPb;
814 gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY");
815 gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY");
816
817 // --- Vacuum zone (to be filled with fibres)
818 DimVoid[0] = (zTran-2*fDimZEMPb)/2.;
819 DimVoid[1] = fDimZEM[2];
820 DimVoid[2] = fDimZEM[1];
821 DimVoid[3] = 90.-fDimZEM[3];
822 DimVoid[4] = 0.;
823 DimVoid[5] = 0.;
824 gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6);
825 gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6);
826
827 // --- Divide the vacuum slice into sticks along x axis
828 gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3);
829 gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3);
830
831 // --- Positioning the fibers into the sticks
832 gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY");
833 gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY");
834
835 // --- Positioning the vacuum slice into the tranche
836 Float_t DisplFib = fDimZEM[1]/fDivZEM[0];
837 gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY");
838 gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY");
839
840 // --- Positioning the ZEM into the ZDC - rotation for 90 degrees
841 gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2], irot1, "ONLY");
842
843 // --- Adding last slice at the end of the EM calorimeter
844 Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0];
845 gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY");
68ca986e 846
847}
848
849//_____________________________________________________________________________
850void AliZDCv1::DrawModule()
851{
852 //
853 // Draw a shaded view of the Zero Degree Calorimeter version 1
854 //
855
856 // Set everything unseen
857 gMC->Gsatt("*", "seen", -1);
858 //
859 // Set ALIC mother transparent
860 gMC->Gsatt("ALIC","SEEN",0);
861 //
862 // Set the volumes visible
863 gMC->Gsatt("ZDC ","SEEN",0);
a2216698 864 gMC->Gsatt("QT01","SEEN",1);
865 gMC->Gsatt("QT02","SEEN",1);
866 gMC->Gsatt("QT03","SEEN",1);
867 gMC->Gsatt("QT04","SEEN",1);
868 gMC->Gsatt("QT05","SEEN",1);
869 gMC->Gsatt("QT06","SEEN",1);
870 gMC->Gsatt("QT07","SEEN",1);
871 gMC->Gsatt("QT08","SEEN",1);
872 gMC->Gsatt("QT09","SEEN",1);
873 gMC->Gsatt("QT10","SEEN",1);
874 gMC->Gsatt("QT11","SEEN",1);
875 gMC->Gsatt("QT12","SEEN",1);
876 gMC->Gsatt("QT13","SEEN",1);
877 gMC->Gsatt("QT14","SEEN",1);
878 gMC->Gsatt("QT15","SEEN",1);
879 gMC->Gsatt("QT16","SEEN",1);
880 gMC->Gsatt("QT17","SEEN",1);
881 gMC->Gsatt("QT18","SEEN",1);
882 gMC->Gsatt("QC01","SEEN",1);
883 gMC->Gsatt("QC02","SEEN",1);
884 gMC->Gsatt("QC03","SEEN",1);
885 gMC->Gsatt("QC04","SEEN",1);
886 gMC->Gsatt("QC05","SEEN",1);
887 gMC->Gsatt("QTD1","SEEN",1);
888 gMC->Gsatt("QTD2","SEEN",1);
889 gMC->Gsatt("QTD3","SEEN",1);
68ca986e 890 gMC->Gsatt("MQXL","SEEN",1);
891 gMC->Gsatt("YMQL","SEEN",1);
892 gMC->Gsatt("MQX ","SEEN",1);
893 gMC->Gsatt("YMQ ","SEEN",1);
a2216698 894 gMC->Gsatt("ZQYX","SEEN",1);
895 gMC->Gsatt("MD1 ","SEEN",1);
896 gMC->Gsatt("MD1V","SEEN",1);
68ca986e 897 gMC->Gsatt("YD1 ","SEEN",1);
a2216698 898 gMC->Gsatt("MD2 ","SEEN",1);
68ca986e 899 gMC->Gsatt("YD2 ","SEEN",1);
900 gMC->Gsatt("ZNEU","SEEN",0);
901 gMC->Gsatt("ZNF1","SEEN",0);
902 gMC->Gsatt("ZNF2","SEEN",0);
903 gMC->Gsatt("ZNF3","SEEN",0);
904 gMC->Gsatt("ZNF4","SEEN",0);
905 gMC->Gsatt("ZNG1","SEEN",0);
906 gMC->Gsatt("ZNG2","SEEN",0);
907 gMC->Gsatt("ZNG3","SEEN",0);
908 gMC->Gsatt("ZNG4","SEEN",0);
909 gMC->Gsatt("ZNTX","SEEN",0);
a2216698 910 gMC->Gsatt("ZN1 ","COLO",4);
68ca986e 911 gMC->Gsatt("ZN1 ","SEEN",1);
912 gMC->Gsatt("ZNSL","SEEN",0);
913 gMC->Gsatt("ZNST","SEEN",0);
914 gMC->Gsatt("ZPRO","SEEN",0);
915 gMC->Gsatt("ZPF1","SEEN",0);
916 gMC->Gsatt("ZPF2","SEEN",0);
917 gMC->Gsatt("ZPF3","SEEN",0);
918 gMC->Gsatt("ZPF4","SEEN",0);
919 gMC->Gsatt("ZPG1","SEEN",0);
920 gMC->Gsatt("ZPG2","SEEN",0);
921 gMC->Gsatt("ZPG3","SEEN",0);
922 gMC->Gsatt("ZPG4","SEEN",0);
923 gMC->Gsatt("ZPTX","SEEN",0);
a2216698 924 gMC->Gsatt("ZP1 ","COLO",6);
68ca986e 925 gMC->Gsatt("ZP1 ","SEEN",1);
926 gMC->Gsatt("ZPSL","SEEN",0);
927 gMC->Gsatt("ZPST","SEEN",0);
a2216698 928 gMC->Gsatt("ZEM ","COLO",7);
866ab5a2 929 gMC->Gsatt("ZEM ","SEEN",1);
930 gMC->Gsatt("ZEMF","SEEN",0);
931 gMC->Gsatt("ZETR","SEEN",0);
932 gMC->Gsatt("ZEL0","SEEN",0);
933 gMC->Gsatt("ZEL1","SEEN",0);
934 gMC->Gsatt("ZEL2","SEEN",0);
935 gMC->Gsatt("ZEV0","SEEN",0);
936 gMC->Gsatt("ZEV1","SEEN",0);
937 gMC->Gsatt("ZES0","SEEN",0);
938 gMC->Gsatt("ZES1","SEEN",0);
68ca986e 939
940 //
941 gMC->Gdopt("hide", "on");
942 gMC->Gdopt("shad", "on");
943 gMC->Gsatt("*", "fill", 7);
944 gMC->SetClipBox(".");
945 gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000);
946 gMC->DefaultRange();
947 gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07);
948 gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1");
949 gMC->Gdman(18, 4, "MAN");
950}
951
952//_____________________________________________________________________________
953void AliZDCv1::CreateMaterials()
954{
955 //
956 // Create Materials for the Zero Degree Calorimeter
957 //
68ca986e 958
959 Int_t *idtmed = fIdtmed->GetArray();
960
a2216698 961 Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1;
962 Int_t i;
68ca986e 963
964 // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3
965
966 // --- Tantalum -> ZN passive material
967 ubuf[0] = 1.1;
968 AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1);
969
970 // --- Tungsten
971// ubuf[0] = 1.11;
972// AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1);
973
974 // --- Brass (CuZn) -> ZP passive material
975 dens = 8.48;
976 a[0] = 63.546;
977 a[1] = 65.39;
978 z[0] = 29.;
979 z[1] = 30.;
980 wmat[0] = .63;
981 wmat[1] = .37;
982 AliMixture(2, "BRASS ", a, z, dens, 2, wmat);
983
984 // --- SiO2
985 dens = 2.64;
986 a[0] = 28.086;
987 a[1] = 15.9994;
988 z[0] = 14.;
989 z[1] = 8.;
990 wmat[0] = 1.;
991 wmat[1] = 2.;
a2216698 992 AliMixture(3, "SIO2 ", a, z, dens, -2, wmat);
866ab5a2 993
994 // --- Lead
995 ubuf[0] = 1.12;
996 AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1);
68ca986e 997
998 // --- Copper
a2216698 999 ubuf[0] = 1.10;
1000 AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1);
68ca986e 1001
866ab5a2 1002 // --- Iron (energy loss taken into account)
1003 ubuf[0] = 1.1;
a2216698 1004 AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
68ca986e 1005
866ab5a2 1006 // --- Iron (no energy loss)
68ca986e 1007 ubuf[0] = 1.1;
a2216698 1008 AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1);
68ca986e 1009
1010 // --- Vacuum (no magnetic field)
1011 AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
1012
1013 // --- Vacuum (with magnetic field)
1014 AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0);
1015
1016 // --- Air (no magnetic field)
1017 AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0);
1018
1019 // --- Definition of tracking media:
1020
1021 // --- Tantalum = 1 ;
1022 // --- Brass = 2 ;
1023 // --- Fibers (SiO2) = 3 ;
1024 // --- Fibers (SiO2) = 4 ;
866ab5a2 1025 // --- Lead = 5 ;
a2216698 1026 // --- Copper = 6 ;
1027 // --- Iron (with energy loss) = 7 ;
1028 // --- Iron (without energy loss) = 8 ;
68ca986e 1029 // --- Vacuum (no field) = 10
1030 // --- Vacuum (with field) = 11
1031 // --- Air (no field) = 12
1032
1033
1034 // --- Tracking media parameters
a2216698 1035 Float_t epsil = .01, stmin=0.01, stemax = 1.;
1036 Int_t isxfld = gAlice->Field()->Integ();
d213f1fa 1037// Float_t fieldm = gAlice->Field()->Max();
de28527d 1038 Float_t fieldm = 0., tmaxfd = 0.;
a2216698 1039 Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0;
68ca986e 1040
1041 AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1042// AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
a2216698 1043 AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
68ca986e 1044 AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1045 AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
a2216698 1046 AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
de28527d 1047// AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1048// AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1049 AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1050 AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
a2216698 1051 AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1052 AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1053 AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin);
1054
1055 ifield =2;
68ca986e 1056 fieldm = 45.;
1057 AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin);
1058
1059 // Thresholds for showering in the ZDCs
a2216698 1060 i = 1; //tantalum
68ca986e 1061 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1062 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1063 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1064 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
a2216698 1065 i = 2; //brass
68ca986e 1066 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1067 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1068 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1069 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
a2216698 1070 i = 5; //lead
866ab5a2 1071 gMC->Gstpar(idtmed[i], "CUTGAM", .001);
1072 gMC->Gstpar(idtmed[i], "CUTELE", .001);
1073 gMC->Gstpar(idtmed[i], "CUTNEU", .01);
1074 gMC->Gstpar(idtmed[i], "CUTHAD", .01);
68ca986e 1075
d213f1fa 1076 // Avoid too detailed showering in TDI
1077 i = 6; //copper
1078 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1079 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1080 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1081 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1082
68ca986e 1083 // Avoid too detailed showering along the beam line
a2216698 1084 i = 7; //iron with energy loss (ZIRON)
68ca986e 1085 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1086 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1087 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1088 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1089
d213f1fa 1090 // Avoid too detailed showering along the beam line
1091 i = 8; //iron with energy loss (ZIRONN)
1092 gMC->Gstpar(idtmed[i], "CUTGAM", .1);
1093 gMC->Gstpar(idtmed[i], "CUTELE", .1);
1094 gMC->Gstpar(idtmed[i], "CUTNEU", 1.);
1095 gMC->Gstpar(idtmed[i], "CUTHAD", 1.);
1096
68ca986e 1097 // Avoid interaction in fibers (only energy loss allowed)
a2216698 1098 i = 3; //fibers (ZSI02)
68ca986e 1099 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1100 gMC->Gstpar(idtmed[i], "MULS", 0.);
1101 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1102 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1103 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1104 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1105 gMC->Gstpar(idtmed[i], "COMP", 0.);
1106 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1107 gMC->Gstpar(idtmed[i], "BREM", 0.);
1108 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1109 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1110 gMC->Gstpar(idtmed[i], "HADR", 0.);
a2216698 1111 i = 4; //fibers (ZQUAR)
68ca986e 1112 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1113 gMC->Gstpar(idtmed[i], "MULS", 0.);
1114 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1115 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1116 gMC->Gstpar(idtmed[i], "LOSS", 1.);
1117 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1118 gMC->Gstpar(idtmed[i], "COMP", 0.);
1119 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1120 gMC->Gstpar(idtmed[i], "BREM", 0.);
1121 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1122 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1123 gMC->Gstpar(idtmed[i], "HADR", 0.);
866ab5a2 1124
1125 // Avoid interaction in void
d213f1fa 1126 i = 11; //void with field
1127 gMC->Gstpar(idtmed[i], "DCAY", 0.);
1128 gMC->Gstpar(idtmed[i], "MULS", 0.);
1129 gMC->Gstpar(idtmed[i], "PFIS", 0.);
1130 gMC->Gstpar(idtmed[i], "MUNU", 0.);
1131 gMC->Gstpar(idtmed[i], "LOSS", 0.);
1132 gMC->Gstpar(idtmed[i], "PHOT", 0.);
1133 gMC->Gstpar(idtmed[i], "COMP", 0.);
1134 gMC->Gstpar(idtmed[i], "PAIR", 0.);
1135 gMC->Gstpar(idtmed[i], "BREM", 0.);
1136 gMC->Gstpar(idtmed[i], "DRAY", 0.);
1137 gMC->Gstpar(idtmed[i], "ANNI", 0.);
1138 gMC->Gstpar(idtmed[i], "HADR", 0.);
866ab5a2 1139
68ca986e 1140 //
866ab5a2 1141 fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material
1142 fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material
a2216698 1143 fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1
1144 fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2
1145 fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material
de28527d 1146// fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield
1147// fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes
866ab5a2 1148 fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves
68ca986e 1149}
1150
1151//_____________________________________________________________________________
1152void AliZDCv1::Init()
1153{
1154 InitTables();
68ca986e 1155}
1156
1157//_____________________________________________________________________________
1158void AliZDCv1::InitTables()
1159{
c0ceba4c 1160 Int_t k, j;
5a881c97 1161
866ab5a2 1162 char *lightfName1,*lightfName2,*lightfName3,*lightfName4,
1163 *lightfName5,*lightfName6,*lightfName7,*lightfName8;
68ca986e 1164 FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8;
1165
a2216698 1166 // --- Reading light tables for ZN
866ab5a2 1167 lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s");
1168 if((fp1 = fopen(lightfName1,"r")) == NULL){
68ca986e 1169 printf("Cannot open file fp1 \n");
1170 return;
1171 }
866ab5a2 1172 lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s");
1173 if((fp2 = fopen(lightfName2,"r")) == NULL){
68ca986e 1174 printf("Cannot open file fp2 \n");
1175 return;
1176 }
866ab5a2 1177 lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s");
1178 if((fp3 = fopen(lightfName3,"r")) == NULL){
68ca986e 1179 printf("Cannot open file fp3 \n");
1180 return;
1181 }
866ab5a2 1182 lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s");
1183 if((fp4 = fopen(lightfName4,"r")) == NULL){
68ca986e 1184 printf("Cannot open file fp4 \n");
1185 return;
1186 }
a2216698 1187
c0ceba4c 1188 for(k=0; k<fNalfan; k++){
1189 for(j=0; j<fNben; j++){
68ca986e 1190 fscanf(fp1,"%f",&fTablen[0][k][j]);
1191 fscanf(fp2,"%f",&fTablen[1][k][j]);
1192 fscanf(fp3,"%f",&fTablen[2][k][j]);
1193 fscanf(fp4,"%f",&fTablen[3][k][j]);
1194 }
1195 }
1196 fclose(fp1);
1197 fclose(fp2);
1198 fclose(fp3);
1199 fclose(fp4);
1200
a2216698 1201 // --- Reading light tables for ZP and ZEM
866ab5a2 1202 lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s");
1203 if((fp5 = fopen(lightfName5,"r")) == NULL){
68ca986e 1204 printf("Cannot open file fp5 \n");
1205 return;
1206 }
866ab5a2 1207 lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s");
1208 if((fp6 = fopen(lightfName6,"r")) == NULL){
68ca986e 1209 printf("Cannot open file fp6 \n");
1210 return;
1211 }
866ab5a2 1212 lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s");
1213 if((fp7 = fopen(lightfName7,"r")) == NULL){
68ca986e 1214 printf("Cannot open file fp7 \n");
1215 return;
1216 }
866ab5a2 1217 lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s");
1218 if((fp8 = fopen(lightfName8,"r")) == NULL){
68ca986e 1219 printf("Cannot open file fp8 \n");
1220 return;
1221 }
a2216698 1222
c0ceba4c 1223 for(k=0; k<fNalfap; k++){
1224 for(j=0; j<fNbep; j++){
68ca986e 1225 fscanf(fp5,"%f",&fTablep[0][k][j]);
1226 fscanf(fp6,"%f",&fTablep[1][k][j]);
1227 fscanf(fp7,"%f",&fTablep[2][k][j]);
1228 fscanf(fp8,"%f",&fTablep[3][k][j]);
1229 }
1230 }
1231 fclose(fp5);
1232 fclose(fp6);
1233 fclose(fp7);
1234 fclose(fp8);
1235}
5ce39387 1236
1237//_____________________________________________________________________________
1238Int_t AliZDCv1::Digitize(Int_t Det, Int_t Quad, Int_t Light)
1239{
1240 // Evaluation of the ADC channel corresponding to the light yield Light
1241
9d7316ac 1242 if(fDebug == 1){
1243 printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light);
1244 }
5ce39387 1245
5a881c97 1246 // Parameters for conversion of light yield in ADC channels
1247 Float_t fPMGain[3][5]; // PM gain
1248 Float_t fADCRes; // ADC conversion factor
1249
5ce39387 1250 Int_t j,i;
1251 for(i=0; i<3; i++){
1252 for(j=0; j<5; j++){
0c9b76ab 1253 fPMGain[i][j] = 100000.;
5ce39387 1254 }
1255 }
1256 fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch
1257
0c9b76ab 1258 Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes);
5a881c97 1259
5ce39387 1260 return ADCch;
1261}
2ab0c725 1262
5ce39387 1263
2ab0c725 1264//_____________________________________________________________________________
1265void AliZDCv1::SDigits2Digits()
1266{
1267 Hits2Digits(gAlice->GetNtrack());
1268}
5ce39387 1269
2ab0c725 1270//_____________________________________________________________________________
1271void AliZDCv1::Hits2Digits(Int_t ntracks)
1272{
5ce39387 1273 AliZDCDigit *newdigit;
1274 AliZDCHit *hit;
1275
1276 Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0;
1277
cc9c0243 1278 Int_t i;
1279 for(i=0; i<4; i++){
1280 PMQZN[i] =0;
1281 PMQZP[i] =0;
5ce39387 1282 }
1283
cc9c0243 1284 Int_t itrack = 0;
1285 for(itrack=0; itrack<ntracks; itrack++){
1286 gAlice->ResetHits();
1287 gAlice->TreeH()->GetEvent(itrack);
1288 for(i=0; i<fHits->GetEntries(); i++){
1289 hit = (AliZDCHit*)fHits->At(i);
1290 Int_t det = hit->GetVolume(0);
1291 Int_t quad = hit->GetVolume(1);
1292 Int_t lightQ = Int_t(hit->GetLightPMQ());
1293 Int_t lightC = Int_t(hit->GetLightPMC());
1294 if(fDebug == 1)
1295 printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d,"
1296 "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ);
1297
1298 if(det == 1){ //ZN
1299 PMCZN = PMCZN + lightC;
1300 PMQZN[quad-1] = PMQZN[quad-1] + lightQ;
1301 }
5ce39387 1302
cc9c0243 1303 if(det == 2){ //ZP
1304 PMCZP = PMCZP + lightC;
1305 PMQZP[quad-1] = PMQZP[quad-1] + lightQ;
1306 }
5ce39387 1307
cc9c0243 1308 if(det == 3){ //ZEM
1309 PMZEM = PMZEM + lightC;
1310 }
1311 } // Hits loop
1312
0c9b76ab 1313 } // Tracks loop
1314
cc9c0243 1315 if(fDebug == 1){
1316 printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n"
1317 , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]);
1318 printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n"
1319 , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]);
1320 printf("\n PMZEM = %d\n", PMZEM);
5ce39387 1321 }
5ce39387 1322
1323 // ------------------------------------ Hits2Digits
1324 // Digits for ZN
cc9c0243 1325 newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN));
1326 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1327 fNdigits++;
1328 delete newdigit;
5ce39387 1329
cc9c0243 1330 Int_t j;
1331 for(j=0; j<4; j++){
1332 newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j]));
1333 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1334 fNdigits++;
1335 delete newdigit;
1336 }
1337
1338 // Digits for ZP
1339 newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP));
1340 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
5ce39387 1341 fNdigits++;
1342 delete newdigit;
5ce39387 1343
cc9c0243 1344 Int_t k;
1345 for(k=0; k<4; k++){
1346 newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k]));
1347 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
1348 fNdigits++;
1349 delete newdigit;
1350 }
5ce39387 1351
cc9c0243 1352 // Digits for ZEM
1353 newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM));
1354 new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit);
5ce39387 1355 fNdigits++;
1356 delete newdigit;
5ce39387 1357
1358
1359 gAlice->TreeD()->Fill();
cc9c0243 1360 gAlice->TreeD()->Write(0,TObject::kOverwrite);
5ce39387 1361
a2216698 1362// if(fDebug == 1){
1363// printf("\n Event Digits -----------------------------------------------------\n");
1364// fDigits->Print("");
1365// }
5ce39387 1366
1367}
1368//_____________________________________________________________________________
9e1a0ddb 1369 void AliZDCv1::MakeBranch(Option_t *opt, const char *file)
5ce39387 1370{
1371 //
1372 // Create a new branch in the current Root Tree
1373 //
1374
1375 AliDetector::MakeBranch(opt);
1376
2ab0c725 1377 Char_t branchname[10];
5ce39387 1378 sprintf(branchname,"%s",GetName());
5cf7bbad 1379 const char *cD = strstr(opt,"D");
5ce39387 1380
7d285fe3 1381 if (gAlice->TreeD() && cD) {
2ab0c725 1382
1383 // Creation of the digits from hits
1384
1385 if(fDigits!=0) fDigits->Clear();
1386 else fDigits = new TClonesArray ("AliZDCDigit",1000);
1387 char branchname[10];
1388 sprintf(branchname,"%s",GetName());
9e1a0ddb 1389 MakeBranchInTree(gAlice->TreeD(),
1390 branchname, &fDigits, fBufferSize, file) ;
5ce39387 1391 printf("* AliZDCv1::MakeBranch * Making Branch %s for digits\n\n",branchname);
a2216698 1392 }
1393
5ce39387 1394}
68ca986e 1395//_____________________________________________________________________________
1396void AliZDCv1::StepManager()
1397{
1398 //
1399 // Routine called at every step in the Zero Degree Calorimeters
1400 //
1401
a2216698 1402 Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe;
366ff5c2 1403 Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out;
68ca986e 1404 TLorentzVector s, p;
1405 const char *knamed;
866ab5a2 1406
de6bc247 1407 for (j=0;j<10;j++) hits[j]=0;
866ab5a2 1408
68ca986e 1409 if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) ||
1410 (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) ||
d213f1fa 1411 (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){
1412// (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
cc9c0243 1413
866ab5a2 1414 // If particle interacts with beam pipe -> return
d213f1fa 1415// if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){
a2216698 1416 // If option NoShower is set -> StopTrack
d213f1fa 1417// if(fNoShower==1) {
4f9ca16e 1418// if(gMC->GetMedium() == fMedSensPI) {
1419// knamed = gMC->CurrentVolName();
1420// if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1;
1421// if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1;
1422// }
1423// if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1;
d213f1fa 1424// gMC->StopTrack();
a2216698 1425// printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT);
1426// printf("\n # of p lost in D1 = %d\n",fpLostD1);
1427// printf("\n # of p lost in TDI = %d\n",fpLostTDI);
d213f1fa 1428// return;
1429// }
1430// }
866ab5a2 1431
68ca986e 1432 //Particle coordinates
1433 gMC->TrackPosition(s);
c0ceba4c 1434 for(j=0; j<=2; j++){
68ca986e 1435 x[j] = s[j];
1436 }
1437 hits[0] = x[0];
1438 hits[1] = x[1];
1439 hits[2] = x[2];
1440
1441 // Determine in which ZDC the particle is
1442 knamed = gMC->CurrentVolName();
1443 if(!strncmp(knamed,"ZN",2))vol[0]=1;
1444 if(!strncmp(knamed,"ZP",2))vol[0]=2;
866ab5a2 1445 if(!strncmp(knamed,"ZE",2))vol[0]=3;
68ca986e 1446
1447 // Determine in which quadrant the particle is
1448
1449 //Quadrant in ZN
68ca986e 1450 if(vol[0]==1){
866ab5a2 1451 xdet[0] = x[0]-fPosZN[0];
1452 xdet[1] = x[1]-fPosZN[1];
5a881c97 1453 if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1;
1454 if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2;
1455 if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3;
1456 if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4;
68ca986e 1457 }
1458
1459 //Quadrant in ZP
1460 if(vol[0]==2){
866ab5a2 1461 xdet[0] = x[0]-fPosZP[0];
1462 xdet[1] = x[1]-fPosZP[1];
1463 if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01;
1464 if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01;
68ca986e 1465 Float_t xqZP = xdet[0]/(fDimZP[0]/2);
1466 for(int i=1; i<=4; i++){
866ab5a2 1467 if(xqZP>=(i-3) && xqZP<(i-2)){
68ca986e 1468 vol[1] = i;
de28527d 1469 if(i==0) printf("\n!!! vol[1] = 0 -> xqZP = %f\n", xqZP);
68ca986e 1470 break;
5a881c97 1471 }
1472 }
68ca986e 1473 }
866ab5a2 1474
1475 //ZEM has only 1 quadrant
1476 if(vol[0] == 3){
1477 vol[1] = 1;
1478 xdet[0] = x[0]-fPosZEM[0];
1479 xdet[1] = x[1]-fPosZEM[1];
866ab5a2 1480 }
1481
68ca986e 1482 // Store impact point and kinetic energy of the ENTERING particle
1483
68ca986e 1484// if(Curtrack==Prim){
1485 if(gMC->IsTrackEntering()){
1486 //Particle energy
1487 gMC->TrackMomentum(p);
68ca986e 1488 hits[3] = p[3];
866ab5a2 1489 // Impact point on ZDC
68ca986e 1490 hits[4] = xdet[0];
1491 hits[5] = xdet[1];
866ab5a2 1492 hits[6] = 0;
68ca986e 1493 hits[7] = 0;
1494 hits[8] = 0;
1495 hits[9] = 0;
1496
866ab5a2 1497// Int_t PcID = gMC->TrackPid();
1498// printf("Pc ID -> %d\n",PcID);
1499 AddHit(gAlice->CurrentTrack(), vol, hits);
1500
1501 if(fNoShower==1){
4f9ca16e 1502// fpDetected += 1;
a2216698 1503 gMC->StopTrack();
1504// printf("\n # of detected p = %d\n",fpDetected);
1505 return;
866ab5a2 1506 }
68ca986e 1507 }
a2216698 1508// } // Curtrack IF
68ca986e 1509
1510 // Charged particles -> Energy loss
1511 if((destep=gMC->Edep())){
1512 if(gMC->IsTrackStop()){
1513 gMC->TrackMomentum(p);
1514 m = gMC->TrackMass();
1515 ekin = p[3]-m;
68ca986e 1516 hits[9] = ekin;
1517 hits[7] = 0.;
1518 hits[8] = 0.;
1519 AddHit(gAlice->CurrentTrack(), vol, hits);
1520 }
1521 else{
1522 hits[9] = destep;
1523 hits[7] = 0.;
1524 hits[8] = 0.;
1525 AddHit(gAlice->CurrentTrack(), vol, hits);
1526 }
a2216698 1527// printf(" Dep. E = %f \n",hits[9]);
1528 }
1529 }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!???
68ca986e 1530
1531
1532 // *** Light production in fibres
1533 if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){
68ca986e 1534
1535 //Select charged particles
1536 if((destep=gMC->Edep())){
68ca986e 1537
1538 // Particle velocity
1539 gMC->TrackMomentum(p);
1540 Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]);
1541 Float_t beta = ptot/p[3];
68ca986e 1542 if(beta<0.67) return;
866ab5a2 1543 if((beta>=0.67) && (beta<=0.75)) ibeta = 0;
1544 if((beta>0.75) && (beta<=0.85)) ibeta = 1;
1545 if((beta>0.85) && (beta<=0.95)) ibeta = 2;
a2216698 1546 if(beta>0.95) ibeta = 3;
68ca986e 1547
1548 // Angle between particle trajectory and fibre axis
1549 // 1 -> Momentum directions
1550 um[0] = p[0]/ptot;
1551 um[1] = p[1]/ptot;
1552 um[2] = p[2]/ptot;
1553 gMC->Gmtod(um,ud,2);
1554 // 2 -> Angle < limit angle
1555 Double_t alfar = TMath::ACos(ud[2]);
1556 Double_t alfa = alfar*kRaddeg;
866ab5a2 1557 if(alfa>=110.) return;
68ca986e 1558 ialfa = Int_t(1.+alfa/2.);
1559
1560 // Distance between particle trajectory and fibre axis
1561 gMC->TrackPosition(s);
c0ceba4c 1562 for(j=0; j<=2; j++){
68ca986e 1563 x[j] = s[j];
1564 }
1565 gMC->Gmtod(x,xdet,1);
1566 if(TMath::Abs(ud[0])>0.00001){
1567 Float_t dcoeff = ud[1]/ud[0];
1568 be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.));
1569 }
1570 else{
1571 be = TMath::Abs(ud[0]);
1572 }
1573
1574 if((vol[0]==1)) radius = fFibZN[1];
1575 if((vol[0]==2)) radius = fFibZP[1];
1576 ibe = Int_t(be*1000.+1);
1577
1578 //Looking into the light tables
1579 Float_t charge = gMC->TrackCharge();
1580
1581 // (1) ZN
1582 if((vol[0]==1)) {
1583 if(ibe>fNben) ibe=fNben;
1584 out = charge*charge*fTablen[ibeta][ialfa][ibe];
5ce39387 1585 nphe = gRandom->Poisson(out);
a2216698 1586// printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d"
1587// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
68ca986e 1588 if(gMC->GetMedium() == fMedSensF1){
5ce39387 1589 hits[7] = nphe; //fLightPMQ
68ca986e 1590 hits[8] = 0;
1591 hits[9] = 0;
1592 AddHit(gAlice->CurrentTrack(), vol, hits);
1593 }
1594 else{
1595 hits[7] = 0;
5ce39387 1596 hits[8] = nphe; //fLightPMC
68ca986e 1597 hits[9] = 0;
1598 AddHit(gAlice->CurrentTrack(), vol, hits);
1599 }
1600 }
1601
1602 // (2) ZP
1603 if((vol[0]==2)) {
1604 if(ibe>fNbep) ibe=fNbep;
1605 out = charge*charge*fTablep[ibeta][ialfa][ibe];
5ce39387 1606 nphe = gRandom->Poisson(out);
a2216698 1607// printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d"
1608// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
68ca986e 1609 if(gMC->GetMedium() == fMedSensF1){
5ce39387 1610 hits[7] = nphe; //fLightPMQ
68ca986e 1611 hits[8] = 0;
1612 hits[9] = 0;
1613 AddHit(gAlice->CurrentTrack(), vol, hits);
1614 }
1615 else{
1616 hits[7] = 0;
5ce39387 1617 hits[8] = nphe; //fLightPMC
68ca986e 1618 hits[9] = 0;
1619 AddHit(gAlice->CurrentTrack(), vol, hits);
1620 }
1621 }
866ab5a2 1622 // (3) ZEM
1623 if((vol[0]==3)) {
1624 if(ibe>fNbep) ibe=fNbep;
1625 out = charge*charge*fTablep[ibeta][ialfa][ibe];
5ce39387 1626 nphe = gRandom->Poisson(out);
a2216698 1627// printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d"
1628// " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe);
0c9b76ab 1629 hits[7] = 0;
1630 hits[8] = nphe; //fLightPMC
5ce39387 1631 hits[9] = 0;
1632 AddHit(gAlice->CurrentTrack(), vol, hits);
a2216698 1633 }
68ca986e 1634 }
68ca986e 1635 }
1636}