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 | $Log$ |
18 | |
19 | */ |
20 | |
21 | /////////////////////////////////////////////////////////////////////////////// |
22 | // // |
23 | // Zero Degree Calorimeter // |
24 | // This class contains the basic functions for the ZDC // |
25 | // Functions specific to one particular geometry are // |
26 | // contained in the derived classes // |
27 | // // |
28 | /////////////////////////////////////////////////////////////////////////////// |
29 | |
30 | // --- Standard libraries |
31 | #include "stdio.h" |
32 | |
33 | // --- ROOT system |
34 | #include <TBRIK.h> |
35 | #include <TNode.h> |
36 | #include <TMath.h> |
37 | #include <TRandom.h> |
38 | #include <TSystem.h> |
39 | #include <TTree.h> |
40 | |
41 | |
42 | // --- AliRoot classes |
43 | #include "AliZDCv2.h" |
44 | #include "AliZDCHit.h" |
45 | #include "AliZDCDigit.h" |
46 | #include "AliRun.h" |
47 | #include "AliDetector.h" |
48 | #include "AliMagF.h" |
49 | #include "AliMC.h" |
50 | #include "AliCallf77.h" |
51 | #include "AliConst.h" |
52 | #include "AliPDG.h" |
53 | #include "TLorentzVector.h" |
54 | |
55 | |
56 | ClassImp(AliZDCv2) |
57 | |
58 | |
59 | /////////////////////////////////////////////////////////////////////////////// |
60 | // // |
61 | // Zero Degree Calorimeter version 2 // |
62 | // // |
63 | /////////////////////////////////////////////////////////////////////////////// |
64 | |
65 | //_____________________________________________________________________________ |
66 | AliZDCv2::AliZDCv2() : AliZDC() |
67 | { |
68 | // |
69 | // Default constructor for Zero Degree Calorimeter |
70 | // |
71 | |
72 | fMedSensF1 = 0; |
73 | fMedSensF2 = 0; |
74 | fMedSensZN = 0; |
75 | fMedSensZP = 0; |
76 | fMedSensZEM = 0; |
77 | fMedSensGR = 0; |
78 | // fMedSensPI = 0; |
79 | // fMedSensTDI = 0; |
80 | } |
81 | |
82 | //_____________________________________________________________________________ |
83 | AliZDCv2::AliZDCv2(const char *name, const char *title) |
84 | : AliZDC(name,title) |
85 | { |
86 | // |
87 | // Standard constructor for Zero Degree Calorimeter |
88 | // |
89 | // |
90 | // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!) |
91 | |
92 | AliModule* PIPE=gAlice->GetModule("PIPE"); |
93 | AliModule* ABSO=gAlice->GetModule("ABSO"); |
94 | AliModule* DIPO=gAlice->GetModule("DIPO"); |
95 | AliModule* SHIL=gAlice->GetModule("SHIL"); |
96 | if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) { |
97 | Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n"); |
98 | exit(1); |
99 | } |
100 | |
101 | fMedSensF1 = 0; |
102 | fMedSensF2 = 0; |
103 | fMedSensZN = 0; |
104 | fMedSensZP = 0; |
105 | fMedSensZEM = 0; |
106 | fMedSensGR = 0; |
107 | // fMedSensPI = 0; |
108 | // fMedSensTDI = 0; |
109 | |
110 | |
111 | // Parameters for light tables |
112 | fNalfan = 90; // Number of Alfa (neutrons) |
113 | fNalfap = 90; // Number of Alfa (protons) |
114 | fNben = 18; // Number of beta (neutrons) |
115 | fNbep = 28; // Number of beta (protons) |
116 | Int_t ip,jp,kp; |
117 | for(ip=0; ip<4; ip++){ |
118 | for(kp=0; kp<fNalfap; kp++){ |
119 | for(jp=0; jp<fNbep; jp++){ |
120 | fTablep[ip][kp][jp] = 0; |
121 | } |
122 | } |
123 | } |
124 | Int_t in,jn,kn; |
125 | for(in=0; in<4; in++){ |
126 | for(kn=0; kn<fNalfan; kn++){ |
127 | for(jn=0; jn<fNben; jn++){ |
128 | fTablen[in][kn][jn] = 0; |
129 | } |
130 | } |
131 | } |
132 | |
133 | // Parameters for hadronic calorimeters geometry |
134 | fDimZP[0] = 11.2; |
135 | fDimZP[1] = 6.; |
136 | fDimZP[2] = 75.; |
137 | fPosZN[0] = 0.; |
138 | fPosZN[1] = -1.2; |
139 | fPosZN[2] = 11650.; |
140 | fPosZP[0] = -24.; |
141 | fPosZP[1] = 0.; |
142 | fPosZP[2] = 11600.; |
143 | fFibZN[0] = 0.; |
144 | fFibZN[1] = 0.01825; |
145 | fFibZN[2] = 50.; |
146 | fFibZP[0] = 0.; |
147 | fFibZP[1] = 0.0275; |
148 | fFibZP[2] = 75.; |
149 | |
150 | // Parameters for EM calorimeter geometry |
151 | fPosZEM[0] = 8.5; |
152 | fPosZEM[1] = 0.; |
153 | fPosZEM[2] = -1000.; |
154 | |
155 | |
156 | fDigits = new TClonesArray("AliZDCDigit",1000); |
157 | } |
158 | |
159 | //_____________________________________________________________________________ |
160 | void AliZDCv2::CreateGeometry() |
161 | { |
162 | // |
163 | // Create the geometry for the Zero Degree Calorimeter version 1 |
164 | //* Initialize COMMON block ZDC_CGEOM |
165 | //* |
166 | |
167 | CreateBeamLine(); |
168 | CreateZDC(); |
169 | } |
170 | |
171 | //_____________________________________________________________________________ |
172 | void AliZDCv2::CreateBeamLine() |
173 | { |
174 | |
175 | Float_t zq, zd1, zd2; |
176 | Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3]; |
177 | Int_t im1, im2; |
178 | |
179 | Int_t *idtmed = fIdtmed->GetArray(); |
180 | |
181 | // -- Mother of the ZDCs (Vacuum PCON) |
182 | |
183 | conpar[0] = 0.; |
184 | conpar[1] = 360.; |
185 | conpar[2] = 2.; |
186 | conpar[3] = -1100.; |
187 | conpar[4] = 0.; |
188 | conpar[5] = 155.; |
189 | conpar[6] = 13060.; |
190 | conpar[7] = 0.; |
191 | conpar[8] = 155.; |
192 | gMC->Gsvolu("ZDC ", "PCON", idtmed[11], conpar, 9); |
193 | gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY"); |
194 | |
195 | // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to |
196 | // the beginning of D1) |
197 | |
198 | zd1 = 2000.; |
199 | |
200 | tubpar[0] = 6.3/2.; |
201 | tubpar[1] = 6.7/2.; |
202 | tubpar[2] = 3838.3/2.; |
203 | gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3); |
204 | gMC->Gspos("QT01", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
205 | |
206 | //-- SECOND SECTION OF THE BEAM PIPE (from the end of D1 to the |
207 | // beginning of D2) |
208 | |
209 | //-- FROM MAGNETIC BEGINNING OF D1 TO MAGNETIC END OF D1 + 13.5 cm |
210 | //-- Cylindrical pipe (r = 3.47) + conical flare |
211 | |
212 | // -> Beginning of D1 |
213 | zd1 += 2.*tubpar[2]; |
214 | |
215 | tubpar[0] = 3.47; |
216 | tubpar[1] = 3.47+0.2; |
217 | tubpar[2] = 958.5/2.; |
218 | gMC->Gsvolu("QT02", "TUBE", idtmed[7], tubpar, 3); |
219 | gMC->Gspos("QT02", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
220 | |
221 | zd1 += 2.*tubpar[2]; |
222 | |
223 | conpar[0] = 25./2.; |
224 | conpar[1] = 6.44/2.; |
225 | conpar[2] = 6.84/2.; |
226 | conpar[3] = 10./2.; |
227 | conpar[4] = 10.4/2.; |
228 | gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5); |
229 | gMC->Gspos("QC01", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); |
230 | |
231 | zd1 += 2.*conpar[0]; |
232 | |
233 | tubpar[0] = 10./2.; |
234 | tubpar[1] = 10.4/2.; |
235 | tubpar[2] = 50./2.; |
236 | gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3); |
237 | gMC->Gspos("QT03", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
238 | |
239 | zd1 += tubpar[2]*2.; |
240 | |
241 | tubpar[0] = 10./2.; |
242 | tubpar[1] = 10.4/2.; |
243 | tubpar[2] = 10./2.; |
244 | gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3); |
245 | gMC->Gspos("QT04", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
246 | |
247 | zd1 += tubpar[2] * 2.; |
248 | |
249 | tubpar[0] = 10./2.; |
250 | tubpar[1] = 10.4/2.; |
251 | tubpar[2] = 3.16/2.; |
252 | gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3); |
253 | gMC->Gspos("QT05", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY"); |
254 | |
255 | zd1 += tubpar[2] * 2.; |
256 | |
257 | tubpar[0] = 10.0/2.; |
258 | tubpar[1] = 10.4/2; |
259 | tubpar[2] = 190./2.; |
260 | gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3); |
261 | gMC->Gspos("QT06", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
262 | |
263 | zd1 += tubpar[2] * 2.; |
264 | |
265 | conpar[0] = 30./2.; |
266 | conpar[1] = 10./2.; |
267 | conpar[2] = 10.4/2.; |
268 | conpar[3] = 20.6/2.; |
269 | conpar[4] = 21./2.; |
270 | gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5); |
271 | gMC->Gspos("QC02", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); |
272 | |
273 | zd1 += conpar[0] * 2.; |
274 | |
275 | tubpar[0] = 20.6/2.; |
276 | tubpar[1] = 21./2.; |
277 | tubpar[2] = 450./2.; |
278 | gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3); |
279 | gMC->Gspos("QT07", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
280 | |
281 | zd1 += tubpar[2] * 2.; |
282 | |
283 | conpar[0] = 13.6/2.; |
284 | conpar[1] = 20.6/2.; |
285 | conpar[2] = 21./2.; |
286 | conpar[3] = 25.4/2.; |
287 | conpar[4] = 25.8/2.; |
288 | gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5); |
289 | gMC->Gspos("QC03", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); |
290 | |
291 | zd1 += conpar[0] * 2.; |
292 | |
293 | tubpar[0] = 25.4/2.; |
294 | tubpar[1] = 25.8/2.; |
295 | tubpar[2] = 205.8/2.; |
296 | gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3); |
297 | gMC->Gspos("QT08", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
298 | |
299 | zd1 += tubpar[2] * 2.; |
300 | |
301 | tubpar[0] = 50./2.; |
302 | tubpar[1] = 50.4/2.; |
303 | // QT09 is 10 cm longer to accomodate TDI |
304 | tubpar[2] = 515.4/2.; |
305 | gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3); |
306 | gMC->Gspos("QT09", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
307 | |
308 | // --- Insert TDI (inside ZDC volume) |
309 | |
310 | boxpar[0] = 5.6; |
311 | boxpar[1] = 5.6; |
312 | boxpar[2] = 400./2.; |
313 | gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3); |
314 | gMC->Gspos("QTD1", 1, "ZDC ", 0., 10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY"); |
315 | gMC->Gspos("QTD1", 2, "ZDC ", 0., -10.6, tubpar[2] + zd1 + 56.3, 0, "ONLY"); |
316 | |
317 | boxpar[0] = 0.2/2.; |
318 | boxpar[1] = 5.6; |
319 | boxpar[2] = 400./2.; |
320 | gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3); |
321 | gMC->Gspos("QTD2", 1, "ZDC ", 5.6+boxpar[0], 0., tubpar[2] + zd1 + 56.3, 0, "ONLY"); |
322 | |
323 | tubspar[0] = 6.2; |
324 | tubspar[1] = 6.4; |
325 | tubspar[2] = 400./2.; |
326 | tubspar[3] = 180.-62.5; |
327 | tubspar[4] = 180.+62.5; |
328 | gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5); |
329 | gMC->Gspos("QTD3", 1, "ZDC ", -3., 0., tubpar[2] + zd1 + 56.3, 0, "ONLY"); |
330 | |
331 | zd1 += tubpar[2] * 2.; |
332 | |
333 | tubpar[0] = 50./2.; |
334 | tubpar[1] = 50.4/2.; |
335 | // QT10 is 10 cm shorter |
336 | tubpar[2] = 690./2.; |
337 | gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3); |
338 | gMC->Gspos("QT10", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
339 | |
340 | zd1 += tubpar[2] * 2.; |
341 | |
342 | tubpar[0] = 50./2.; |
343 | tubpar[1] = 50.4/2.; |
344 | tubpar[2] = 778.5/2.; |
345 | gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3); |
346 | gMC->Gspos("QT11", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
347 | |
348 | zd1 += tubpar[2] * 2.; |
349 | |
350 | conpar[0] = 14.18/2.; |
351 | conpar[1] = 50./2.; |
352 | conpar[2] = 50.4/2.; |
353 | conpar[3] = 55./2.; |
354 | conpar[4] = 55.4/2.; |
355 | gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5); |
356 | gMC->Gspos("QC04", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); |
357 | |
358 | zd1 += conpar[0] * 2.; |
359 | |
360 | tubpar[0] = 55./2.; |
361 | tubpar[1] = 55.4/2.; |
362 | tubpar[2] = 730./2.; |
363 | gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3); |
364 | gMC->Gspos("QT12", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
365 | |
366 | zd1 += tubpar[2] * 2.; |
367 | |
368 | conpar[0] = 36.86/2.; |
369 | conpar[1] = 55./2.; |
370 | conpar[2] = 55.4/2.; |
371 | conpar[3] = 68./2.; |
372 | conpar[4] = 68.4/2.; |
373 | gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5); |
374 | gMC->Gspos("QC05", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); |
375 | |
376 | zd1 += conpar[0] * 2.; |
377 | |
378 | tubpar[0] = 68./2.; |
379 | tubpar[1] = 68.4/2.; |
380 | tubpar[2] = 927.3/2.; |
381 | gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3); |
382 | gMC->Gspos("QT13", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
383 | |
384 | zd1 += tubpar[2] * 2.; |
385 | |
386 | tubpar[0] = 0./2.; |
387 | tubpar[1] = 68.4/2.; |
388 | tubpar[2] = 0.2/2.; |
389 | gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3); |
390 | gMC->Gspos("QT14", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
391 | |
392 | zd1 += tubpar[2] * 2.; |
393 | |
394 | tubpar[0] = 0./2.; |
395 | tubpar[1] = 6.4/2.; |
396 | tubpar[2] = 0.2/2.; |
397 | gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3); |
398 | |
399 | //-- Position QT15 inside QT14 |
400 | gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY"); |
401 | |
402 | tubpar[0] = 0./2.; |
403 | tubpar[1] = 6.4/2.; |
404 | tubpar[2] = 0.2/2.; |
405 | gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3); |
406 | |
407 | //-- Position QT16 inside QT14 |
408 | gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY"); |
409 | |
410 | |
411 | //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2 |
412 | |
413 | tubpar[0] = 6.4/2.; |
414 | tubpar[1] = 6.8/2.; |
415 | tubpar[2] = 680.8/2.; |
416 | gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3); |
417 | |
418 | tubpar[0] = 6.4/2.; |
419 | tubpar[1] = 6.8/2.; |
420 | tubpar[2] = 680.8/2.; |
421 | gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3); |
422 | |
423 | // -- ROTATE PIPES |
424 | |
425 | Float_t angle = 0.143*kDegrad; |
426 | |
427 | AliMatrix(im1, 90.-0.143, 0., 90., 90., 0.143, 180.); |
428 | gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4, |
429 | 0., tubpar[2] + zd1, im1, "ONLY"); |
430 | |
431 | AliMatrix(im2, 90.+0.143, 0., 90., 90., 0.143, 0.); |
432 | gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2., |
433 | 0., tubpar[2] + zd1, im2, "ONLY"); |
434 | |
435 | // -- BEAM PIPE ON THE OTHER SIDE OF I.P. TILL THE EM ZDC |
436 | |
437 | Float_t zb = -800.; // End of QBPM (from AliPIPEv0.cxx) |
438 | tubpar[0] = 8.0/2.; |
439 | tubpar[1] = 8.2/2.; |
440 | tubpar[2] = (1000+zb)/2.; // From the end of QBPM to z=1000. |
441 | gMC->Gsvolu("QT19", "TUBE", idtmed[7], tubpar, 3); |
442 | gMC->Gspos("QT19", 1, "ZDC ", 0., 0., zb - tubpar[2], 0, "ONLY"); |
443 | |
444 | |
445 | // -- END OF BEAM PIPE VOLUME DEFINITION. |
446 | // ---------------------------------------------------------------- |
447 | |
448 | // -- MAGNET DEFINITION -> LHC OPTICS 6.2 (preliminary version) |
449 | |
450 | // ---------------------------------------------------------------- |
451 | // Replaced by the muon dipole |
452 | // ---------------------------------------------------------------- |
453 | // -- COMPENSATOR DIPOLE (MBXW) |
454 | // GAP (VACUUM WITH MAGNETIC FIELD) |
455 | |
456 | // tubpar[0] = 0.; |
457 | // tubpar[1] = 4.5; |
458 | // tubpar[2] = 340./2.; |
459 | // gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3); |
460 | // gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY"); |
461 | |
462 | // -- YOKE (IRON WITHOUT MAGNETIC FIELD) |
463 | |
464 | // tubpar[0] = 4.5; |
465 | // tubpar[1] = 55.; |
466 | // tubpar[2] = 340./2.; |
467 | // gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3); |
468 | // gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY"); |
469 | |
470 | // ---------------------------------------------------------------- |
471 | // Replaced by the second dipole |
472 | // ---------------------------------------------------------------- |
473 | // -- COMPENSATOR DIPOLE (MCBWA) |
474 | // GAP (VACUUM WITH MAGNETIC FIELD) |
475 | |
476 | // tubpar[0] = 0.; |
477 | // tubpar[1] = 4.5; |
478 | // tubpar[2] = 170./2.; |
479 | // gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3); |
480 | // gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY"); |
481 | |
482 | // -- YOKE (IRON WITHOUT MAGNETIC FIELD) |
483 | |
484 | // tubpar[0] = 4.5; |
485 | // tubpar[1] = 55.; |
486 | // tubpar[2] = 170./2.; |
487 | // gMC->Gsvolu("YMCB", "TUBE", idtmed[7], tubpar, 3); |
488 | // gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY"); |
489 | |
490 | // -- INNER TRIPLET |
491 | |
492 | zq = 2296.5; |
493 | |
494 | // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT |
495 | |
496 | // MQXL |
497 | // -- GAP (VACUUM WITH MAGNETIC FIELD) |
498 | |
499 | tubpar[0] = 0.; |
500 | tubpar[1] = 3.5; |
501 | tubpar[2] = 637./2.; |
502 | gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3); |
503 | |
504 | // -- YOKE |
505 | |
506 | tubpar[0] = 3.5; |
507 | tubpar[1] = 22.; |
508 | tubpar[2] = 637./2.; |
509 | gMC->Gsvolu("YMQL", "TUBE", idtmed[7], tubpar, 3); |
510 | |
511 | gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY"); |
512 | gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY"); |
513 | |
514 | gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY"); |
515 | gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY"); |
516 | |
517 | // -- MQX |
518 | // -- GAP (VACUUM WITH MAGNETIC FIELD) |
519 | |
520 | tubpar[0] = 0.; |
521 | tubpar[1] = 3.5; |
522 | tubpar[2] = 550./2.; |
523 | gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3); |
524 | |
525 | // -- YOKE |
526 | |
527 | tubpar[0] = 3.5; |
528 | tubpar[1] = 22.; |
529 | tubpar[2] = 550./2.; |
530 | gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3); |
531 | |
532 | gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY"); |
533 | gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 883.5, 0, "ONLY"); |
534 | |
535 | gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY"); |
536 | gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1533.5, 0, "ONLY"); |
537 | |
538 | // -- SEPARATOR DIPOLE D1 |
539 | |
540 | zd1 = 5838.3; |
541 | |
542 | // -- GAP (VACUUM WITH MAGNETIC FIELD) |
543 | |
544 | tubpar[0] = 0.; |
545 | tubpar[1] = 6.94/2.; |
546 | tubpar[2] = 945./2.; |
547 | gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3); |
548 | |
549 | // -- Insert horizontal Cu plates inside D1 |
550 | // -- (to simulate the vacuum chamber) |
551 | |
552 | boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)); |
553 | boxpar[1] = 0.2/2.; |
554 | boxpar[2] =945./2.; |
555 | gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3); |
556 | gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY"); |
557 | gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY"); |
558 | |
559 | // -- YOKE |
560 | |
561 | tubpar[0] = 0.; |
562 | tubpar[1] = 110./2; |
563 | tubpar[2] = 945./2.; |
564 | gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3); |
565 | |
566 | gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); |
567 | gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY"); |
568 | |
569 | // -- DIPOLE D2 |
570 | |
571 | zd2 = 12147.6; |
572 | |
573 | // -- GAP (VACUUM WITH MAGNETIC FIELD) |
574 | |
575 | tubpar[0] = 0.; |
576 | tubpar[1] = 7.5/2.; |
577 | tubpar[2] = 945./2.; |
578 | gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3); |
579 | |
580 | // -- YOKE |
581 | |
582 | tubpar[0] = 0.; |
583 | tubpar[1] = 55.; |
584 | tubpar[2] = 945./2.; |
585 | gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3); |
586 | |
587 | gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY"); |
588 | |
589 | gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY"); |
590 | gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY"); |
591 | |
592 | // -- END OF MAGNET DEFINITION |
593 | } |
594 | |
595 | //_____________________________________________________________________________ |
596 | void AliZDCv2::CreateZDC() |
597 | { |
598 | |
599 | Float_t DimPb[6], DimVoid[6]; |
600 | |
601 | Int_t *idtmed = fIdtmed->GetArray(); |
602 | |
603 | // Parameters for hadronic calorimeters geometry |
604 | // NB -> parameters used ONLY in CreateZDC() |
605 | Float_t fDimZN[3] = {3.52, 3.52, 50.}; // Dimensions of neutron detector |
606 | Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector |
607 | Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector |
608 | Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector |
609 | Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector |
610 | Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector |
611 | Int_t fTowZP[2] = {4, 1}; // Tower for proton detector |
612 | |
613 | // Parameters for EM calorimeter geometry |
614 | // NB -> parameters used ONLY in CreateZDC() |
615 | Float_t fDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice |
616 | Float_t fDimZEMAir = 0.001; // scotch |
617 | Float_t fFibRadZEM = 0.0315; // External fiber radius (including cladding) |
618 | Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector |
619 | Float_t fDimZEM0 = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.))); |
620 | Float_t fDimZEM[6] = {fDimZEM0, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector |
621 | Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM; |
622 | Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter |
623 | |
624 | |
625 | //-- Create calorimeters geometry |
626 | |
627 | // ------------------------------------------------------------------------------- |
628 | //--> Neutron calorimeter (ZN) |
629 | |
630 | gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material |
631 | gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material |
632 | gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3); |
633 | gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3); |
634 | gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3); |
635 | gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves |
636 | gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3); |
637 | gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3); |
638 | gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3); |
639 | |
640 | // Divide ZNEU in towers (for hits purposes) |
641 | |
642 | gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower |
643 | gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower |
644 | |
645 | //-- Divide ZN1 in minitowers |
646 | // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS, |
647 | // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS |
648 | // (4 fibres per minitower) |
649 | |
650 | gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices |
651 | gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks |
652 | |
653 | // --- Position the empty grooves in the sticks (4 grooves per stick) |
654 | Float_t dx = fDimZN[0] / fDivZN[0] / 4.; |
655 | Float_t dy = fDimZN[1] / fDivZN[1] / 4.; |
656 | |
657 | gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY"); |
658 | gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY"); |
659 | gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY"); |
660 | gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY"); |
661 | |
662 | // --- Position the fibers in the grooves |
663 | gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY"); |
664 | gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY"); |
665 | gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY"); |
666 | gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY"); |
667 | |
668 | // --- Position the neutron calorimeter in ZDC |
669 | gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY"); |
670 | |
671 | |
672 | // ------------------------------------------------------------------------------- |
673 | //--> Proton calorimeter (ZP) |
674 | |
675 | gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material |
676 | gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material |
677 | gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3); |
678 | gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3); |
679 | gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3); |
680 | gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves |
681 | gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3); |
682 | gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3); |
683 | gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3); |
684 | |
685 | //-- Divide ZPRO in towers(for hits purposes) |
686 | |
687 | gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower |
688 | gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower |
689 | |
690 | |
691 | //-- Divide ZP1 in minitowers |
692 | // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER, |
693 | // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER |
694 | // (4 fiber per minitower) |
695 | |
696 | gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices |
697 | gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks |
698 | |
699 | // --- Position the empty grooves in the sticks (4 grooves per stick) |
700 | dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.; |
701 | dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.; |
702 | |
703 | gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY"); |
704 | gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY"); |
705 | gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY"); |
706 | gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY"); |
707 | |
708 | // --- Position the fibers in the grooves |
709 | gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY"); |
710 | gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY"); |
711 | gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY"); |
712 | gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY"); |
713 | |
714 | |
715 | // --- Position the proton calorimeter in ZDC |
716 | gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY"); |
717 | |
718 | |
719 | // ------------------------------------------------------------------------------- |
720 | // -> EM calorimeter (ZEM) |
721 | |
722 | gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6); |
723 | |
724 | Int_t irot1, irot2; |
725 | |
726 | gMC->Matrix(irot1,180.,0.,90.,90.,90.,0.); // Rotation matrix 1 |
727 | gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2 |
728 | // printf("irot1 = %d, irot2 = %d \n", irot1, irot2); |
729 | |
730 | gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material |
731 | |
732 | gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches |
733 | |
734 | DimPb[0] = fDimZEMPb; // Lead slices |
735 | DimPb[1] = fDimZEM[2]; |
736 | DimPb[2] = fDimZEM[1]; |
737 | DimPb[3] = 90.-fDimZEM[3]; |
738 | DimPb[4] = 0.; |
739 | DimPb[5] = 0.; |
740 | gMC->Gsvolu("ZEL0", "PARA", idtmed[5], DimPb, 6); |
741 | gMC->Gsvolu("ZEL1", "PARA", idtmed[5], DimPb, 6); |
742 | // gMC->Gsvolu("ZEL2", "PARA", idtmed[5], DimPb, 6); |
743 | |
744 | // --- Position the lead slices in the tranche |
745 | Float_t zTran = fDimZEM[0]/fDivZEM[2]; |
746 | Float_t zTrPb = -zTran+fDimZEMPb; |
747 | gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY"); |
748 | gMC->Gspos("ZEL1", 1, "ZETR", fDimZEMPb, 0., 0., 0, "ONLY"); |
749 | |
750 | // --- Vacuum zone (to be filled with fibres) |
751 | DimVoid[0] = (zTran-2*fDimZEMPb)/2.; |
752 | DimVoid[1] = fDimZEM[2]; |
753 | DimVoid[2] = fDimZEM[1]; |
754 | DimVoid[3] = 90.-fDimZEM[3]; |
755 | DimVoid[4] = 0.; |
756 | DimVoid[5] = 0.; |
757 | gMC->Gsvolu("ZEV0", "PARA", idtmed[10], DimVoid,6); |
758 | gMC->Gsvolu("ZEV1", "PARA", idtmed[10], DimVoid,6); |
759 | |
760 | // --- Divide the vacuum slice into sticks along x axis |
761 | gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3); |
762 | gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3); |
763 | |
764 | // --- Positioning the fibers into the sticks |
765 | gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY"); |
766 | gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY"); |
767 | |
768 | // --- Positioning the vacuum slice into the tranche |
769 | Float_t DisplFib = fDimZEM[1]/fDivZEM[0]; |
770 | gMC->Gspos("ZEV0", 1,"ZETR", -DimVoid[0], 0., 0., 0, "ONLY"); |
771 | gMC->Gspos("ZEV1", 1,"ZETR", -DimVoid[0]+zTran, 0., DisplFib, 0, "ONLY"); |
772 | |
773 | // --- Positioning the ZEM into the ZDC - rotation for 90 degrees |
774 | gMC->Gspos("ZEM ", 1,"ZDC ", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY"); |
775 | |
776 | // --- Adding last slice at the end of the EM calorimeter |
777 | // Float_t zLastSlice = fPosZEM[2]+fDimZEMPb+fDimZEM[0]; |
778 | // gMC->Gspos("ZEL2", 1,"ZDC ", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY"); |
779 | |
780 | } |
781 | |
782 | //_____________________________________________________________________________ |
783 | void AliZDCv2::DrawModule() |
784 | { |
785 | // |
786 | // Draw a shaded view of the Zero Degree Calorimeter version 1 |
787 | // |
788 | |
789 | // Set everything unseen |
790 | gMC->Gsatt("*", "seen", -1); |
791 | // |
792 | // Set ALIC mother transparent |
793 | gMC->Gsatt("ALIC","SEEN",0); |
794 | // |
795 | // Set the volumes visible |
796 | gMC->Gsatt("ZDC ","SEEN",0); |
797 | gMC->Gsatt("QT01","SEEN",1); |
798 | gMC->Gsatt("QT02","SEEN",1); |
799 | gMC->Gsatt("QT03","SEEN",1); |
800 | gMC->Gsatt("QT04","SEEN",1); |
801 | gMC->Gsatt("QT05","SEEN",1); |
802 | gMC->Gsatt("QT06","SEEN",1); |
803 | gMC->Gsatt("QT07","SEEN",1); |
804 | gMC->Gsatt("QT08","SEEN",1); |
805 | gMC->Gsatt("QT09","SEEN",1); |
806 | gMC->Gsatt("QT10","SEEN",1); |
807 | gMC->Gsatt("QT11","SEEN",1); |
808 | gMC->Gsatt("QT12","SEEN",1); |
809 | gMC->Gsatt("QT13","SEEN",1); |
810 | gMC->Gsatt("QT14","SEEN",1); |
811 | gMC->Gsatt("QT15","SEEN",1); |
812 | gMC->Gsatt("QT16","SEEN",1); |
813 | gMC->Gsatt("QT17","SEEN",1); |
814 | gMC->Gsatt("QT18","SEEN",1); |
815 | gMC->Gsatt("QC01","SEEN",1); |
816 | gMC->Gsatt("QC02","SEEN",1); |
817 | gMC->Gsatt("QC03","SEEN",1); |
818 | gMC->Gsatt("QC04","SEEN",1); |
819 | gMC->Gsatt("QC05","SEEN",1); |
820 | gMC->Gsatt("QTD1","SEEN",1); |
821 | gMC->Gsatt("QTD2","SEEN",1); |
822 | gMC->Gsatt("QTD3","SEEN",1); |
823 | gMC->Gsatt("MQXL","SEEN",1); |
824 | gMC->Gsatt("YMQL","SEEN",1); |
825 | gMC->Gsatt("MQX ","SEEN",1); |
826 | gMC->Gsatt("YMQ ","SEEN",1); |
827 | gMC->Gsatt("ZQYX","SEEN",1); |
828 | gMC->Gsatt("MD1 ","SEEN",1); |
829 | gMC->Gsatt("MD1V","SEEN",1); |
830 | gMC->Gsatt("YD1 ","SEEN",1); |
831 | gMC->Gsatt("MD2 ","SEEN",1); |
832 | gMC->Gsatt("YD2 ","SEEN",1); |
833 | gMC->Gsatt("ZNEU","SEEN",0); |
834 | gMC->Gsatt("ZNF1","SEEN",0); |
835 | gMC->Gsatt("ZNF2","SEEN",0); |
836 | gMC->Gsatt("ZNF3","SEEN",0); |
837 | gMC->Gsatt("ZNF4","SEEN",0); |
838 | gMC->Gsatt("ZNG1","SEEN",0); |
839 | gMC->Gsatt("ZNG2","SEEN",0); |
840 | gMC->Gsatt("ZNG3","SEEN",0); |
841 | gMC->Gsatt("ZNG4","SEEN",0); |
842 | gMC->Gsatt("ZNTX","SEEN",0); |
843 | gMC->Gsatt("ZN1 ","COLO",4); |
844 | gMC->Gsatt("ZN1 ","SEEN",1); |
845 | gMC->Gsatt("ZNSL","SEEN",0); |
846 | gMC->Gsatt("ZNST","SEEN",0); |
847 | gMC->Gsatt("ZPRO","SEEN",0); |
848 | gMC->Gsatt("ZPF1","SEEN",0); |
849 | gMC->Gsatt("ZPF2","SEEN",0); |
850 | gMC->Gsatt("ZPF3","SEEN",0); |
851 | gMC->Gsatt("ZPF4","SEEN",0); |
852 | gMC->Gsatt("ZPG1","SEEN",0); |
853 | gMC->Gsatt("ZPG2","SEEN",0); |
854 | gMC->Gsatt("ZPG3","SEEN",0); |
855 | gMC->Gsatt("ZPG4","SEEN",0); |
856 | gMC->Gsatt("ZPTX","SEEN",0); |
857 | gMC->Gsatt("ZP1 ","COLO",6); |
858 | gMC->Gsatt("ZP1 ","SEEN",1); |
859 | gMC->Gsatt("ZPSL","SEEN",0); |
860 | gMC->Gsatt("ZPST","SEEN",0); |
861 | gMC->Gsatt("ZEM ","COLO",7); |
862 | gMC->Gsatt("ZEM ","SEEN",1); |
863 | gMC->Gsatt("ZEMF","SEEN",0); |
864 | gMC->Gsatt("ZETR","SEEN",0); |
865 | gMC->Gsatt("ZEL0","SEEN",0); |
866 | gMC->Gsatt("ZEL1","SEEN",0); |
867 | gMC->Gsatt("ZEL2","SEEN",0); |
868 | gMC->Gsatt("ZEV0","SEEN",0); |
869 | gMC->Gsatt("ZEV1","SEEN",0); |
870 | gMC->Gsatt("ZES0","SEEN",0); |
871 | gMC->Gsatt("ZES1","SEEN",0); |
872 | |
873 | // |
874 | gMC->Gdopt("hide", "on"); |
875 | gMC->Gdopt("shad", "on"); |
876 | gMC->Gsatt("*", "fill", 7); |
877 | gMC->SetClipBox("."); |
878 | gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000); |
879 | gMC->DefaultRange(); |
880 | gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07); |
881 | gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1"); |
882 | gMC->Gdman(18, 4, "MAN"); |
883 | } |
884 | |
885 | //_____________________________________________________________________________ |
886 | void AliZDCv2::CreateMaterials() |
887 | { |
888 | // |
889 | // Create Materials for the Zero Degree Calorimeter |
890 | // |
891 | |
892 | Int_t *idtmed = fIdtmed->GetArray(); |
893 | |
894 | Float_t dens, ubuf[1], wmat[2], a[2], z[2], deemax = -1; |
895 | Int_t i; |
896 | |
897 | // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3 |
898 | |
899 | // --- Tantalum -> ZN passive material |
900 | ubuf[0] = 1.1; |
901 | AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1); |
902 | |
903 | // --- Tungsten |
904 | // ubuf[0] = 1.11; |
905 | // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1); |
906 | |
907 | // --- Brass (CuZn) -> ZP passive material |
908 | dens = 8.48; |
909 | a[0] = 63.546; |
910 | a[1] = 65.39; |
911 | z[0] = 29.; |
912 | z[1] = 30.; |
913 | wmat[0] = .63; |
914 | wmat[1] = .37; |
915 | AliMixture(2, "BRASS ", a, z, dens, 2, wmat); |
916 | |
917 | // --- SiO2 |
918 | dens = 2.64; |
919 | a[0] = 28.086; |
920 | a[1] = 15.9994; |
921 | z[0] = 14.; |
922 | z[1] = 8.; |
923 | wmat[0] = 1.; |
924 | wmat[1] = 2.; |
925 | AliMixture(3, "SIO2 ", a, z, dens, -2, wmat); |
926 | |
927 | // --- Lead |
928 | ubuf[0] = 1.12; |
929 | AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1); |
930 | |
931 | // --- Copper |
932 | ubuf[0] = 1.10; |
933 | AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1); |
934 | |
935 | // --- Iron (energy loss taken into account) |
936 | ubuf[0] = 1.1; |
937 | AliMaterial(7, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1); |
938 | |
939 | // --- Iron (no energy loss) |
940 | ubuf[0] = 1.1; |
941 | AliMaterial(8, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1); |
942 | |
943 | // --- Vacuum (no magnetic field) |
944 | AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); |
945 | |
946 | // --- Vacuum (with magnetic field) |
947 | AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); |
948 | |
949 | // --- Air (no magnetic field) |
950 | AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0); |
951 | |
952 | // --- Definition of tracking media: |
953 | |
954 | // --- Tantalum = 1 ; |
955 | // --- Brass = 2 ; |
956 | // --- Fibers (SiO2) = 3 ; |
957 | // --- Fibers (SiO2) = 4 ; |
958 | // --- Lead = 5 ; |
959 | // --- Copper = 6 ; |
960 | // --- Iron (with energy loss) = 7 ; |
961 | // --- Iron (without energy loss) = 8 ; |
962 | // --- Vacuum (no field) = 10 |
963 | // --- Vacuum (with field) = 11 |
964 | // --- Air (no field) = 12 |
965 | |
966 | |
967 | // --- Tracking media parameters |
968 | Float_t epsil = .01, stmin=0.01, stemax = 1.; |
969 | Int_t isxfld = gAlice->Field()->Integ(); |
970 | Float_t fieldm = 0., tmaxfd = 0.; |
971 | Int_t ifield = 0, isvolActive = 1, isvol = 0, inofld = 0; |
972 | |
973 | AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
974 | // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
975 | AliMedium(2, "ZBRASS",2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
976 | AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
977 | AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
978 | AliMedium(5, "ZLEAD", 5, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
979 | // AliMedium(6, "ZCOPP", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
980 | // AliMedium(7, "ZIRON", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
981 | AliMedium(6, "ZCOPP", 6, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
982 | AliMedium(7, "ZIRON", 7, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
983 | AliMedium(8, "ZIRONN",8, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
984 | AliMedium(10,"ZVOID",10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
985 | AliMedium(12,"ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin); |
986 | |
987 | ifield =2; |
988 | fieldm = 45.; |
989 | AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); |
990 | |
991 | // Thresholds for showering in the ZDCs |
992 | i = 1; //tantalum |
993 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); |
994 | gMC->Gstpar(idtmed[i], "CUTELE", .001); |
995 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); |
996 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); |
997 | i = 2; //brass |
998 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); |
999 | gMC->Gstpar(idtmed[i], "CUTELE", .001); |
1000 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); |
1001 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); |
1002 | i = 5; //lead |
1003 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); |
1004 | gMC->Gstpar(idtmed[i], "CUTELE", .001); |
1005 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); |
1006 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); |
1007 | |
1008 | // Avoid too detailed showering in TDI |
1009 | i = 6; //copper |
1010 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); |
1011 | gMC->Gstpar(idtmed[i], "CUTELE", .1); |
1012 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); |
1013 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); |
1014 | |
1015 | // Avoid too detailed showering along the beam line |
1016 | i = 7; //iron with energy loss (ZIRON) |
1017 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); |
1018 | gMC->Gstpar(idtmed[i], "CUTELE", .1); |
1019 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); |
1020 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); |
1021 | |
1022 | // Avoid too detailed showering along the beam line |
1023 | i = 8; //iron with energy loss (ZIRONN) |
1024 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); |
1025 | gMC->Gstpar(idtmed[i], "CUTELE", .1); |
1026 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); |
1027 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); |
1028 | |
1029 | // Avoid interaction in fibers (only energy loss allowed) |
1030 | i = 3; //fibers (ZSI02) |
1031 | gMC->Gstpar(idtmed[i], "DCAY", 0.); |
1032 | gMC->Gstpar(idtmed[i], "MULS", 0.); |
1033 | gMC->Gstpar(idtmed[i], "PFIS", 0.); |
1034 | gMC->Gstpar(idtmed[i], "MUNU", 0.); |
1035 | gMC->Gstpar(idtmed[i], "LOSS", 1.); |
1036 | gMC->Gstpar(idtmed[i], "PHOT", 0.); |
1037 | gMC->Gstpar(idtmed[i], "COMP", 0.); |
1038 | gMC->Gstpar(idtmed[i], "PAIR", 0.); |
1039 | gMC->Gstpar(idtmed[i], "BREM", 0.); |
1040 | gMC->Gstpar(idtmed[i], "DRAY", 0.); |
1041 | gMC->Gstpar(idtmed[i], "ANNI", 0.); |
1042 | gMC->Gstpar(idtmed[i], "HADR", 0.); |
1043 | i = 4; //fibers (ZQUAR) |
1044 | gMC->Gstpar(idtmed[i], "DCAY", 0.); |
1045 | gMC->Gstpar(idtmed[i], "MULS", 0.); |
1046 | gMC->Gstpar(idtmed[i], "PFIS", 0.); |
1047 | gMC->Gstpar(idtmed[i], "MUNU", 0.); |
1048 | gMC->Gstpar(idtmed[i], "LOSS", 1.); |
1049 | gMC->Gstpar(idtmed[i], "PHOT", 0.); |
1050 | gMC->Gstpar(idtmed[i], "COMP", 0.); |
1051 | gMC->Gstpar(idtmed[i], "PAIR", 0.); |
1052 | gMC->Gstpar(idtmed[i], "BREM", 0.); |
1053 | gMC->Gstpar(idtmed[i], "DRAY", 0.); |
1054 | gMC->Gstpar(idtmed[i], "ANNI", 0.); |
1055 | gMC->Gstpar(idtmed[i], "HADR", 0.); |
1056 | |
1057 | // Avoid interaction in void |
1058 | i = 11; //void with field |
1059 | gMC->Gstpar(idtmed[i], "DCAY", 0.); |
1060 | gMC->Gstpar(idtmed[i], "MULS", 0.); |
1061 | gMC->Gstpar(idtmed[i], "PFIS", 0.); |
1062 | gMC->Gstpar(idtmed[i], "MUNU", 0.); |
1063 | gMC->Gstpar(idtmed[i], "LOSS", 0.); |
1064 | gMC->Gstpar(idtmed[i], "PHOT", 0.); |
1065 | gMC->Gstpar(idtmed[i], "COMP", 0.); |
1066 | gMC->Gstpar(idtmed[i], "PAIR", 0.); |
1067 | gMC->Gstpar(idtmed[i], "BREM", 0.); |
1068 | gMC->Gstpar(idtmed[i], "DRAY", 0.); |
1069 | gMC->Gstpar(idtmed[i], "ANNI", 0.); |
1070 | gMC->Gstpar(idtmed[i], "HADR", 0.); |
1071 | |
1072 | // |
1073 | fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material |
1074 | fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material |
1075 | fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1 |
1076 | fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2 |
1077 | fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material |
1078 | // fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield |
1079 | // fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes |
1080 | fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves |
1081 | } |
1082 | |
1083 | //_____________________________________________________________________________ |
1084 | void AliZDCv2::Init() |
1085 | { |
1086 | InitTables(); |
1087 | } |
1088 | |
1089 | //_____________________________________________________________________________ |
1090 | void AliZDCv2::InitTables() |
1091 | { |
1092 | Int_t k, j; |
1093 | |
1094 | char *lightfName1,*lightfName2,*lightfName3,*lightfName4, |
1095 | *lightfName5,*lightfName6,*lightfName7,*lightfName8; |
1096 | FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8; |
1097 | |
1098 | // --- Reading light tables for ZN |
1099 | lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s"); |
1100 | if((fp1 = fopen(lightfName1,"r")) == NULL){ |
1101 | printf("Cannot open file fp1 \n"); |
1102 | return; |
1103 | } |
1104 | lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s"); |
1105 | if((fp2 = fopen(lightfName2,"r")) == NULL){ |
1106 | printf("Cannot open file fp2 \n"); |
1107 | return; |
1108 | } |
1109 | lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s"); |
1110 | if((fp3 = fopen(lightfName3,"r")) == NULL){ |
1111 | printf("Cannot open file fp3 \n"); |
1112 | return; |
1113 | } |
1114 | lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s"); |
1115 | if((fp4 = fopen(lightfName4,"r")) == NULL){ |
1116 | printf("Cannot open file fp4 \n"); |
1117 | return; |
1118 | } |
1119 | |
1120 | for(k=0; k<fNalfan; k++){ |
1121 | for(j=0; j<fNben; j++){ |
1122 | fscanf(fp1,"%f",&fTablen[0][k][j]); |
1123 | fscanf(fp2,"%f",&fTablen[1][k][j]); |
1124 | fscanf(fp3,"%f",&fTablen[2][k][j]); |
1125 | fscanf(fp4,"%f",&fTablen[3][k][j]); |
1126 | } |
1127 | } |
1128 | fclose(fp1); |
1129 | fclose(fp2); |
1130 | fclose(fp3); |
1131 | fclose(fp4); |
1132 | |
1133 | // --- Reading light tables for ZP and ZEM |
1134 | lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s"); |
1135 | if((fp5 = fopen(lightfName5,"r")) == NULL){ |
1136 | printf("Cannot open file fp5 \n"); |
1137 | return; |
1138 | } |
1139 | lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s"); |
1140 | if((fp6 = fopen(lightfName6,"r")) == NULL){ |
1141 | printf("Cannot open file fp6 \n"); |
1142 | return; |
1143 | } |
1144 | lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s"); |
1145 | if((fp7 = fopen(lightfName7,"r")) == NULL){ |
1146 | printf("Cannot open file fp7 \n"); |
1147 | return; |
1148 | } |
1149 | lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s"); |
1150 | if((fp8 = fopen(lightfName8,"r")) == NULL){ |
1151 | printf("Cannot open file fp8 \n"); |
1152 | return; |
1153 | } |
1154 | |
1155 | for(k=0; k<fNalfap; k++){ |
1156 | for(j=0; j<fNbep; j++){ |
1157 | fscanf(fp5,"%f",&fTablep[0][k][j]); |
1158 | fscanf(fp6,"%f",&fTablep[1][k][j]); |
1159 | fscanf(fp7,"%f",&fTablep[2][k][j]); |
1160 | fscanf(fp8,"%f",&fTablep[3][k][j]); |
1161 | } |
1162 | } |
1163 | fclose(fp5); |
1164 | fclose(fp6); |
1165 | fclose(fp7); |
1166 | fclose(fp8); |
1167 | } |
1168 | |
1169 | //_____________________________________________________________________________ |
1170 | Int_t AliZDCv2::Digitize(Int_t Det, Int_t Quad, Int_t Light) |
1171 | { |
1172 | // Evaluation of the ADC channel corresponding to the light yield Light |
1173 | |
1174 | if(fDebug == 1){ |
1175 | printf("\n Digitize -> Det = %d, Quad = %d, Light = %d\n", Det, Quad, Light); |
1176 | } |
1177 | |
1178 | // Parameters for conversion of light yield in ADC channels |
1179 | Float_t fPMGain[3][5]; // PM gain |
1180 | Float_t fADCRes; // ADC conversion factor |
1181 | |
1182 | Int_t j,i; |
1183 | for(i=0; i<3; i++){ |
1184 | for(j=0; j<5; j++){ |
1185 | fPMGain[i][j] = 100000.; |
1186 | } |
1187 | } |
1188 | fADCRes = 0.00000064; // ADC Resolution: 250 fC/ADCch |
1189 | |
1190 | Int_t ADCch = Int_t(Light*fPMGain[Det-1][Quad]*fADCRes); |
1191 | |
1192 | return ADCch; |
1193 | } |
1194 | |
1195 | |
1196 | //_____________________________________________________________________________ |
1197 | void AliZDCv2::SDigits2Digits() |
1198 | { |
1199 | Hits2Digits(gAlice->GetNtrack()); |
1200 | } |
1201 | |
1202 | //_____________________________________________________________________________ |
1203 | void AliZDCv2::Hits2Digits(Int_t ntracks) |
1204 | { |
1205 | AliZDCDigit *newdigit; |
1206 | AliZDCHit *hit; |
1207 | |
1208 | Int_t PMCZN = 0, PMCZP = 0, PMQZN[4], PMQZP[4], PMZEM = 0; |
1209 | |
1210 | Int_t i; |
1211 | for(i=0; i<4; i++){ |
1212 | PMQZN[i] =0; |
1213 | PMQZP[i] =0; |
1214 | } |
1215 | |
1216 | Int_t itrack = 0; |
1217 | for(itrack=0; itrack<ntracks; itrack++){ |
1218 | gAlice->ResetHits(); |
1219 | gAlice->TreeH()->GetEvent(itrack); |
1220 | for(i=0; i<fHits->GetEntries(); i++){ |
1221 | hit = (AliZDCHit*)fHits->At(i); |
1222 | Int_t det = hit->GetVolume(0); |
1223 | Int_t quad = hit->GetVolume(1); |
1224 | Int_t lightQ = Int_t(hit->GetLightPMQ()); |
1225 | Int_t lightC = Int_t(hit->GetLightPMC()); |
1226 | if(fDebug == 1) |
1227 | printf(" \n itrack = %d, fNhits = %d, det = %d, quad = %d," |
1228 | "lightC = %d lightQ = %d\n", itrack, fNhits, det, quad, lightC, lightQ); |
1229 | |
1230 | if(det == 1){ //ZN |
1231 | PMCZN = PMCZN + lightC; |
1232 | PMQZN[quad-1] = PMQZN[quad-1] + lightQ; |
1233 | } |
1234 | |
1235 | if(det == 2){ //ZP |
1236 | PMCZP = PMCZP + lightC; |
1237 | PMQZP[quad-1] = PMQZP[quad-1] + lightQ; |
1238 | } |
1239 | |
1240 | if(det == 3){ //ZEM |
1241 | PMZEM = PMZEM + lightC; |
1242 | } |
1243 | } // Hits loop |
1244 | |
1245 | } // Tracks loop |
1246 | |
1247 | if(fDebug == 1){ |
1248 | printf("\n PMCZN = %d, PMQZN[0] = %d, PMQZN[1] = %d, PMQZN[2] = %d, PMQZN[3] = %d\n" |
1249 | , PMCZN, PMQZN[0], PMQZN[1], PMQZN[2], PMQZN[3]); |
1250 | printf("\n PMCZP = %d, PMQZP[0] = %d, PMQZP[1] = %d, PMQZP[2] = %d, PMQZP[3] = %d\n" |
1251 | , PMCZP, PMQZP[0], PMQZP[1], PMQZP[2], PMQZP[3]); |
1252 | printf("\n PMZEM = %d\n", PMZEM); |
1253 | } |
1254 | |
1255 | // ------------------------------------ Hits2Digits |
1256 | // Digits for ZN |
1257 | newdigit = new AliZDCDigit(1, 0, Digitize(1, 0, PMCZN)); |
1258 | new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit); |
1259 | fNdigits++; |
1260 | delete newdigit; |
1261 | |
1262 | Int_t j; |
1263 | for(j=0; j<4; j++){ |
1264 | newdigit = new AliZDCDigit(1, j+1, Digitize(1, j+1, PMQZN[j])); |
1265 | new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit); |
1266 | fNdigits++; |
1267 | delete newdigit; |
1268 | } |
1269 | |
1270 | // Digits for ZP |
1271 | newdigit = new AliZDCDigit(2, 0, Digitize(2, 0, PMCZP)); |
1272 | new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit); |
1273 | fNdigits++; |
1274 | delete newdigit; |
1275 | |
1276 | Int_t k; |
1277 | for(k=0; k<4; k++){ |
1278 | newdigit = new AliZDCDigit(2, k+1, Digitize(2, k+1, PMQZP[k])); |
1279 | new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit); |
1280 | fNdigits++; |
1281 | delete newdigit; |
1282 | } |
1283 | |
1284 | // Digits for ZEM |
1285 | newdigit = new AliZDCDigit(3, 0, Digitize(3, 0, PMZEM)); |
1286 | new((*fDigits)[fNdigits]) AliZDCDigit(*newdigit); |
1287 | fNdigits++; |
1288 | delete newdigit; |
1289 | |
1290 | |
1291 | gAlice->TreeD()->Fill(); |
1292 | gAlice->TreeD()->Write(0,TObject::kOverwrite); |
1293 | |
1294 | // if(fDebug == 1){ |
1295 | // printf("\n Event Digits -----------------------------------------------------\n"); |
1296 | // fDigits->Print(""); |
1297 | // } |
1298 | |
1299 | } |
1300 | //_____________________________________________________________________________ |
1301 | void AliZDCv2::MakeBranch(Option_t *opt, char *file) |
1302 | { |
1303 | // |
1304 | // Create a new branch in the current Root Tree |
1305 | // |
1306 | |
1307 | AliDetector::MakeBranch(opt); |
1308 | |
1309 | Char_t branchname[10]; |
1310 | sprintf(branchname,"%s",GetName()); |
1311 | const char *cD = strstr(opt,"D"); |
1312 | |
1313 | if (gAlice->TreeD() && cD) { |
1314 | |
1315 | // Creation of the digits from hits |
1316 | |
1317 | if(fDigits!=0) fDigits->Clear(); |
1318 | else fDigits = new TClonesArray ("AliZDCDigit",1000); |
1319 | char branchname[10]; |
1320 | sprintf(branchname,"%s",GetName()); |
1321 | gAlice->MakeBranchInTree(gAlice->TreeD(), |
1322 | branchname, &fDigits, fBufferSize, file) ; |
1323 | printf("* AliZDCv2::MakeBranch * Making Branch %s for digits\n\n",branchname); |
1324 | } |
1325 | |
1326 | } |
1327 | //_____________________________________________________________________________ |
1328 | void AliZDCv2::StepManager() |
1329 | { |
1330 | // |
1331 | // Routine called at every step in the Zero Degree Calorimeters |
1332 | // |
1333 | |
1334 | Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe; |
1335 | Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out; |
1336 | TLorentzVector s, p; |
1337 | const char *knamed; |
1338 | |
1339 | for (j=0;j<10;j++) hits[j]=0; |
1340 | |
1341 | if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) || |
1342 | (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) || |
1343 | (gMC->GetMedium() == fMedSensF2) || (gMC->GetMedium() == fMedSensZEM)){ |
1344 | // (gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){ |
1345 | |
1346 | // If particle interacts with beam pipe -> return |
1347 | // if((gMC->GetMedium() == fMedSensPI) || (gMC->GetMedium() == fMedSensTDI)){ |
1348 | // If option NoShower is set -> StopTrack |
1349 | // if(fNoShower==1) { |
1350 | // if(gMC->GetMedium() == fMedSensPI) { |
1351 | // knamed = gMC->CurrentVolName(); |
1352 | // if((!strncmp(knamed,"MQ",2)) || (!strncmp(knamed,"YM",2))) fpLostIT += 1; |
1353 | // if((!strncmp(knamed,"MD1",3))|| (!strncmp(knamed,"YD1",2))) fpLostD1 += 1; |
1354 | // } |
1355 | // if(gMC->GetMedium() == fMedSensTDI) fpLostTDI += 1; |
1356 | // gMC->StopTrack(); |
1357 | // printf("\n # of p lost in Inner Triplet = %d\n",fpLostIT); |
1358 | // printf("\n # of p lost in D1 = %d\n",fpLostD1); |
1359 | // printf("\n # of p lost in TDI = %d\n",fpLostTDI); |
1360 | // return; |
1361 | // } |
1362 | // } |
1363 | |
1364 | //Particle coordinates |
1365 | gMC->TrackPosition(s); |
1366 | for(j=0; j<=2; j++){ |
1367 | x[j] = s[j]; |
1368 | } |
1369 | hits[0] = x[0]; |
1370 | hits[1] = x[1]; |
1371 | hits[2] = x[2]; |
1372 | |
1373 | // Determine in which ZDC the particle is |
1374 | knamed = gMC->CurrentVolName(); |
1375 | if(!strncmp(knamed,"ZN",2))vol[0]=1; |
1376 | if(!strncmp(knamed,"ZP",2))vol[0]=2; |
1377 | if(!strncmp(knamed,"ZE",2))vol[0]=3; |
1378 | |
1379 | // Determine in which quadrant the particle is |
1380 | |
1381 | //Quadrant in ZN |
1382 | if(vol[0]==1){ |
1383 | xdet[0] = x[0]-fPosZN[0]; |
1384 | xdet[1] = x[1]-fPosZN[1]; |
1385 | if((xdet[0]<=0.) && (xdet[1]>=0.)) vol[1]=1; |
1386 | if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2; |
1387 | if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3; |
1388 | if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4; |
1389 | } |
1390 | |
1391 | //Quadrant in ZP |
1392 | if(vol[0]==2){ |
1393 | xdet[0] = x[0]-fPosZP[0]; |
1394 | xdet[1] = x[1]-fPosZP[1]; |
1395 | if(xdet[0]>fDimZP[0])xdet[0]=fDimZP[0]-0.01; |
1396 | if(xdet[0]<-fDimZP[0])xdet[0]=-fDimZP[0]+0.01; |
1397 | Float_t xqZP = xdet[0]/(fDimZP[0]/2); |
1398 | for(int i=1; i<=4; i++){ |
1399 | if(xqZP>=(i-3) && xqZP<(i-2)){ |
1400 | vol[1] = i; |
1401 | break; |
1402 | } |
1403 | } |
1404 | } |
1405 | |
1406 | //ZEM has only 1 quadrant |
1407 | if(vol[0] == 3){ |
1408 | vol[1] = 1; |
1409 | xdet[0] = x[0]-fPosZEM[0]; |
1410 | xdet[1] = x[1]-fPosZEM[1]; |
1411 | } |
1412 | |
1413 | // Store impact point and kinetic energy of the ENTERING particle |
1414 | |
1415 | // if(Curtrack==Prim){ |
1416 | if(gMC->IsTrackEntering()){ |
1417 | //Particle energy |
1418 | gMC->TrackMomentum(p); |
1419 | hits[3] = p[3]; |
1420 | // Impact point on ZDC |
1421 | hits[4] = xdet[0]; |
1422 | hits[5] = xdet[1]; |
1423 | hits[6] = 0; |
1424 | hits[7] = 0; |
1425 | hits[8] = 0; |
1426 | hits[9] = 0; |
1427 | |
1428 | // Int_t PcID = gMC->TrackPid(); |
1429 | // printf("Pc ID -> %d\n",PcID); |
1430 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1431 | |
1432 | if(fNoShower==1){ |
1433 | // fpDetected += 1; |
1434 | gMC->StopTrack(); |
1435 | // printf("\n # of detected p = %d\n",fpDetected); |
1436 | return; |
1437 | } |
1438 | } |
1439 | // } // Curtrack IF |
1440 | |
1441 | // Charged particles -> Energy loss |
1442 | if((destep=gMC->Edep())){ |
1443 | if(gMC->IsTrackStop()){ |
1444 | gMC->TrackMomentum(p); |
1445 | m = gMC->TrackMass(); |
1446 | ekin = p[3]-m; |
1447 | hits[9] = ekin; |
1448 | hits[7] = 0.; |
1449 | hits[8] = 0.; |
1450 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1451 | } |
1452 | else{ |
1453 | hits[9] = destep; |
1454 | hits[7] = 0.; |
1455 | hits[8] = 0.; |
1456 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1457 | } |
1458 | // printf(" Dep. E = %f \n",hits[9]); |
1459 | } |
1460 | }// NB -> Questa parentesi (chiude il primo IF) io la sposterei al fondo!??? |
1461 | |
1462 | |
1463 | // *** Light production in fibres |
1464 | if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){ |
1465 | |
1466 | //Select charged particles |
1467 | if((destep=gMC->Edep())){ |
1468 | |
1469 | // Particle velocity |
1470 | gMC->TrackMomentum(p); |
1471 | Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]); |
1472 | Float_t beta = ptot/p[3]; |
1473 | if(beta<0.67) return; |
1474 | if((beta>=0.67) && (beta<=0.75)) ibeta = 0; |
1475 | if((beta>0.75) && (beta<=0.85)) ibeta = 1; |
1476 | if((beta>0.85) && (beta<=0.95)) ibeta = 2; |
1477 | if(beta>0.95) ibeta = 3; |
1478 | |
1479 | // Angle between particle trajectory and fibre axis |
1480 | // 1 -> Momentum directions |
1481 | um[0] = p[0]/ptot; |
1482 | um[1] = p[1]/ptot; |
1483 | um[2] = p[2]/ptot; |
1484 | gMC->Gmtod(um,ud,2); |
1485 | // 2 -> Angle < limit angle |
1486 | Double_t alfar = TMath::ACos(ud[2]); |
1487 | Double_t alfa = alfar*kRaddeg; |
1488 | if(alfa>=110.) return; |
1489 | ialfa = Int_t(1.+alfa/2.); |
1490 | |
1491 | // Distance between particle trajectory and fibre axis |
1492 | gMC->TrackPosition(s); |
1493 | for(j=0; j<=2; j++){ |
1494 | x[j] = s[j]; |
1495 | } |
1496 | gMC->Gmtod(x,xdet,1); |
1497 | if(TMath::Abs(ud[0])>0.00001){ |
1498 | Float_t dcoeff = ud[1]/ud[0]; |
1499 | be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.)); |
1500 | } |
1501 | else{ |
1502 | be = TMath::Abs(ud[0]); |
1503 | } |
1504 | |
1505 | if((vol[0]==1)) radius = fFibZN[1]; |
1506 | if((vol[0]==2)) radius = fFibZP[1]; |
1507 | ibe = Int_t(be*1000.+1); |
1508 | |
1509 | //Looking into the light tables |
1510 | Float_t charge = gMC->TrackCharge(); |
1511 | |
1512 | // (1) ZN |
1513 | if((vol[0]==1)) { |
1514 | if(ibe>fNben) ibe=fNben; |
1515 | out = charge*charge*fTablen[ibeta][ialfa][ibe]; |
1516 | nphe = gRandom->Poisson(out); |
1517 | // printf("ZN --- ibeta = %d, ialfa = %d, ibe = %d" |
1518 | // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe); |
1519 | if(gMC->GetMedium() == fMedSensF1){ |
1520 | hits[7] = nphe; //fLightPMQ |
1521 | hits[8] = 0; |
1522 | hits[9] = 0; |
1523 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1524 | } |
1525 | else{ |
1526 | hits[7] = 0; |
1527 | hits[8] = nphe; //fLightPMC |
1528 | hits[9] = 0; |
1529 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1530 | } |
1531 | } |
1532 | |
1533 | // (2) ZP |
1534 | if((vol[0]==2)) { |
1535 | if(ibe>fNbep) ibe=fNbep; |
1536 | out = charge*charge*fTablep[ibeta][ialfa][ibe]; |
1537 | nphe = gRandom->Poisson(out); |
1538 | // printf("ZP --- ibeta = %d, ialfa = %d, ibe = %d" |
1539 | // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe); |
1540 | if(gMC->GetMedium() == fMedSensF1){ |
1541 | hits[7] = nphe; //fLightPMQ |
1542 | hits[8] = 0; |
1543 | hits[9] = 0; |
1544 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1545 | } |
1546 | else{ |
1547 | hits[7] = 0; |
1548 | hits[8] = nphe; //fLightPMC |
1549 | hits[9] = 0; |
1550 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1551 | } |
1552 | } |
1553 | // (3) ZEM |
1554 | if((vol[0]==3)) { |
1555 | if(ibe>fNbep) ibe=fNbep; |
1556 | out = charge*charge*fTablep[ibeta][ialfa][ibe]; |
1557 | nphe = gRandom->Poisson(out); |
1558 | // printf("ZEM --- ibeta = %d, ialfa = %d, ibe = %d" |
1559 | // " -> out = %f, nphe = %d\n", ibeta, ialfa, ibe, out, nphe); |
1560 | hits[7] = 0; |
1561 | hits[8] = nphe; //fLightPMC |
1562 | hits[9] = 0; |
1563 | AddHit(gAlice->CurrentTrack(), vol, hits); |
1564 | } |
1565 | } |
1566 | } |
1567 | } |