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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 | $Log$ | |
94de3818 | 18 | Revision 1.4 2000/08/24 09:23:59 hristov |
19 | Bug in ZDC geometry corrected by E.Scomparin | |
20 | ||
0500bdfc | 21 | Revision 1.3 2000/07/12 06:59:16 fca |
22 | Fixing dimension of hits array | |
23 | ||
366ff5c2 | 24 | Revision 1.2 2000/07/11 11:12:34 fca |
25 | Some syntax corrections for non standard HP aCC | |
26 | ||
c0ceba4c | 27 | Revision 1.1 2000/07/10 13:58:01 fca |
28 | New version of ZDC from E.Scomparin & C.Oppedisano | |
29 | ||
68ca986e | 30 | Revision 1.7 2000/01/19 17:17:40 fca |
31 | ||
32 | Revision 1.6 1999/09/29 09:24:35 fca | |
33 | Introduction of the Copyright and cvs Log | |
34 | ||
35 | */ | |
36 | ||
37 | /////////////////////////////////////////////////////////////////////////////// | |
38 | // // | |
39 | // Zero Degree Calorimeter // | |
40 | // This class contains the basic functions for the Time Of Flight // | |
41 | // detector. Functions specific to one particular geometry are // | |
42 | // contained in the derived classes // | |
43 | // // | |
44 | /////////////////////////////////////////////////////////////////////////////// | |
45 | ||
46 | #include <TBRIK.h> | |
47 | #include <TNode.h> | |
48 | #include <TMath.h> | |
49 | ||
50 | #include "stdio.h" | |
51 | #include "AliZDCv1.h" | |
52 | #include "AliRun.h" | |
94de3818 | 53 | #include "AliMagF.h" |
68ca986e | 54 | #include "AliMC.h" |
55 | #include "AliCallf77.h" | |
56 | #include "AliConst.h" | |
57 | #include "AliPDG.h" | |
58 | ||
59 | ||
60 | ClassImp(AliZDCv1) | |
61 | ||
62 | ||
63 | /////////////////////////////////////////////////////////////////////////////// | |
64 | // // | |
65 | // Zero Degree Calorimeter version 1 // | |
66 | // // | |
67 | /////////////////////////////////////////////////////////////////////////////// | |
68 | ||
69 | //_____________________________________________________________________________ | |
70 | AliZDCv1::AliZDCv1() : AliZDC() | |
71 | { | |
72 | // | |
73 | // Default constructor for Zero Degree Calorimeter | |
74 | // | |
75 | fMedSensF1 = 0; | |
76 | fMedSensF2 = 0; | |
77 | fMedSensZN = 0; | |
78 | fMedSensZP = 0; | |
79 | fMedSensGR = 0; | |
80 | } | |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | AliZDCv1::AliZDCv1(const char *name, const char *title) | |
84 | : AliZDC(name,title) | |
85 | { | |
86 | // | |
87 | // Standard constructor for Zero Degree Calorimeter | |
88 | // | |
89 | fMedSensF1 = 0; | |
90 | fMedSensF2 = 0; | |
91 | fMedSensZN = 0; | |
92 | fMedSensZP = 0; | |
93 | fMedSensGR = 0; | |
94 | } | |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | void AliZDCv1::CreateGeometry() | |
98 | { | |
99 | // | |
100 | // Create the geometry for the Zero Degree Calorimeter version 1 | |
101 | //* Initialize COMMON block ZDC_CGEOM | |
102 | //* | |
103 | ||
104 | CreateBeamLine(); | |
105 | CreateZDC(); | |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | void AliZDCv1::CreateBeamLine() | |
110 | { | |
111 | ||
112 | Float_t angle; | |
113 | Float_t zq, conpar[9], elpar[3], tubpar[3]; | |
114 | Int_t im1, im2; | |
115 | Float_t zd1, zd2; | |
116 | ||
117 | ||
118 | Int_t *idtmed = fIdtmed->GetArray(); | |
119 | ||
120 | // -- Mother of the ZDC | |
121 | ||
122 | conpar[0] = 0.; | |
123 | conpar[1] = 360.; | |
124 | conpar[2] = 2.; | |
0500bdfc | 125 | conpar[3] = 805.; |
68ca986e | 126 | conpar[4] = 0.; |
127 | conpar[5] = 55.; | |
128 | conpar[6] = 13060.; | |
129 | conpar[7] = 0.; | |
130 | conpar[8] = 55.; | |
131 | gMC->Gsvolu("ZDC ", "PCON", idtmed[10], conpar, 9); | |
132 | gMC->Gspos("ZDC ", 1, "ALIC", 0., 0., 0., 0, "ONLY"); | |
133 | ||
134 | // -- FIRST SECTION OF THE BEAM PIPE (from compensator dipole to | |
135 | // beginning of D1) | |
136 | ||
137 | zd1 = 1921.6; | |
138 | ||
139 | tubpar[0] = 6.3/2.; | |
140 | tubpar[1] = 6.7/2.; | |
141 | tubpar[2] = 3916.7/2.; | |
142 | gMC->Gsvolu("P001", "TUBE", idtmed[5], tubpar, 3); | |
143 | gMC->Gspos("P001", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
144 | ||
145 | //-- SECOND SECTION OF THE BEAM PIPE (FROM THE END OF D1 TO THE BEGINNING OF | |
146 | // D2) | |
147 | ||
148 | //-- FROM MAGNETIC BEGINNING OG D1 TO MAGNETIC END OF D1 + 23.5 cm | |
149 | //-- Elliptic pipe | |
150 | ||
151 | zd1 = 6310.8-472.5; | |
152 | ||
153 | elpar[0] = 6.84/2.; | |
154 | elpar[1] = 5.86/2.; | |
155 | elpar[2] = 945./2.; | |
156 | gMC->Gsvolu("E001", "ELTU", idtmed[5], elpar, 3); | |
157 | gMC->Gspos("E001", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY"); | |
158 | ||
159 | elpar[0] = 6.44/2.; | |
160 | elpar[1] = 5.46/2.; | |
161 | elpar[2] = 945./2.; | |
162 | gMC->Gsvolu("E002", "ELTU", idtmed[10], elpar, 3); | |
163 | gMC->Gspos("E002", 1, "E001", 0., 0., 0., 0, "ONLY"); | |
164 | ||
165 | zd1 += 2.*elpar[2]; | |
166 | ||
167 | elpar[0] = 6.84/2.; | |
168 | elpar[1] = 5.86/2.; | |
169 | elpar[2] = 13.5/2.; | |
170 | gMC->Gsvolu("E003", "ELTU", idtmed[5], elpar, 3); | |
171 | gMC->Gspos("E002", 1, "ZDC ", 0., 0., elpar[2] + zd1, 0, "ONLY"); | |
172 | ||
173 | elpar[0] = 6.44/2.; | |
174 | elpar[1] = 5.46/2.; | |
175 | elpar[2] = 13.5/2.; | |
176 | gMC->Gsvolu("E004", "ELTU", idtmed[10], elpar, 3); | |
177 | gMC->Gspos("E004", 1, "E003", 0., 0., 0., 0, "ONLY"); | |
178 | ||
179 | zd1 += 2.*elpar[2]; | |
180 | ||
181 | conpar[0] = 25./2.; | |
182 | conpar[1] = 6.44/2.; | |
183 | conpar[2] = 6.84/2.; | |
184 | conpar[3] = 10./2.; | |
185 | conpar[4] = 10.4/2.; | |
186 | gMC->Gsvolu("C001", "CONE", idtmed[5], conpar, 5); | |
187 | gMC->Gspos("C001", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); | |
188 | ||
189 | zd1 += 2.*conpar[0]; | |
190 | ||
191 | tubpar[0] = 10./2.; | |
192 | tubpar[1] = 10.4/2.; | |
193 | tubpar[2] = 50./2.; | |
194 | gMC->Gsvolu("P002", "TUBE", idtmed[5], tubpar, 3); | |
195 | gMC->Gspos("P002", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
196 | ||
197 | zd1 += tubpar[2] * 2.; | |
198 | ||
199 | tubpar[0] = 10./2.; | |
200 | tubpar[1] = 10.4/2.; | |
201 | tubpar[2] = 10./2.; | |
202 | gMC->Gsvolu("P003", "TUBE", idtmed[5], tubpar, 3); | |
203 | gMC->Gspos("P003", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
204 | ||
205 | zd1 += tubpar[2] * 2.; | |
206 | ||
207 | tubpar[0] = 10./2.; | |
208 | tubpar[1] = 10.4/2.; | |
209 | tubpar[2] = 3.16/2.; | |
210 | gMC->Gsvolu("P004", "TUBE", idtmed[5], tubpar, 3); | |
211 | gMC->Gspos("P004", 1, "ZDC ", 0., 0., tubpar[0] + zd1, 0, "ONLY"); | |
212 | ||
213 | zd1 += tubpar[2] * 2.; | |
214 | ||
215 | tubpar[0] = 10.0/2.; | |
216 | tubpar[1] = 10.4/2; | |
217 | tubpar[2] = 190./2.; | |
218 | gMC->Gsvolu("P005", "TUBE", idtmed[5], tubpar, 3); | |
219 | gMC->Gspos("P005", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
220 | ||
221 | zd1 += tubpar[2] * 2.; | |
222 | ||
223 | conpar[0] = 30./2.; | |
224 | conpar[1] = 10./2.; | |
225 | conpar[2] = 10.4/2.; | |
226 | conpar[3] = 20.6/2.; | |
227 | conpar[4] = 21./2.; | |
228 | gMC->Gsvolu("P006", "CONE", idtmed[5], conpar, 5); | |
229 | gMC->Gspos("P006", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); | |
230 | ||
231 | zd1 += conpar[0] * 2.; | |
232 | ||
233 | tubpar[0] = 20.6/2.; | |
234 | tubpar[1] = 21./2.; | |
235 | tubpar[2] = 450./2.; | |
236 | gMC->Gsvolu("P007", "TUBE", idtmed[5], tubpar, 3); | |
237 | gMC->Gspos("P007", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
238 | ||
239 | zd1 += tubpar[2] * 2.; | |
240 | ||
241 | conpar[0] = 13.6/2.; | |
242 | conpar[1] = 20.6/2.; | |
243 | conpar[2] = 21./2.; | |
244 | conpar[3] = 25.4/2.; | |
245 | conpar[4] = 25.8/2.; | |
246 | gMC->Gsvolu("P008", "CONE", idtmed[5], conpar, 5); | |
247 | gMC->Gspos("P008", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); | |
248 | ||
249 | zd1 += conpar[0] * 2.; | |
250 | ||
251 | tubpar[0] = 25.4/2.; | |
252 | tubpar[1] = 25.8/2.; | |
253 | tubpar[2] = 205.8/2.; | |
254 | gMC->Gsvolu("P009", "TUBE", idtmed[5], tubpar, 3); | |
255 | gMC->Gspos("P009", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
256 | ||
257 | zd1 += tubpar[2] * 2.; | |
258 | ||
259 | tubpar[0] = 50./2.; | |
260 | tubpar[1] = 50.4/2.; | |
261 | tubpar[2] = 505.4/2.; | |
262 | gMC->Gsvolu("P010", "TUBE", idtmed[5], tubpar, 3); | |
263 | gMC->Gspos("P010", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
264 | ||
265 | zd1 += tubpar[2] * 2.; | |
266 | ||
267 | tubpar[0] = 50./2.; | |
268 | tubpar[1] = 50.4/2.; | |
269 | tubpar[2] = 700./2.; | |
270 | gMC->Gsvolu("P011", "TUBE", idtmed[5], tubpar, 3); | |
271 | gMC->Gspos("P011", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
272 | ||
273 | zd1 += tubpar[2] * 2.; | |
274 | ||
275 | tubpar[0] = 50./2.; | |
276 | tubpar[1] = 50.4/2.; | |
277 | tubpar[2] = 778.5/2.; | |
278 | gMC->Gsvolu("P012", "TUBE", idtmed[5], tubpar, 3); | |
279 | gMC->Gspos("P012", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
280 | ||
281 | zd1 += tubpar[2] * 2.; | |
282 | ||
283 | conpar[0] = 14.18/2.; | |
284 | conpar[1] = 50./2.; | |
285 | conpar[2] = 50.4/2.; | |
286 | conpar[3] = 55./2.; | |
287 | conpar[4] = 55.4/2.; | |
288 | gMC->Gsvolu("P013", "CONE", idtmed[5], conpar, 5); | |
289 | gMC->Gspos("P013", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); | |
290 | ||
291 | zd1 += conpar[0] * 2.; | |
292 | ||
293 | tubpar[0] = 55./2.; | |
294 | tubpar[1] = 55.4/2.; | |
295 | tubpar[2] = 730./2.; | |
296 | gMC->Gsvolu("P014", "TUBE", idtmed[5], tubpar, 3); | |
297 | gMC->Gspos("P014", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
298 | ||
299 | zd1 += tubpar[2] * 2.; | |
300 | ||
301 | conpar[0] = 36.86/2.; | |
302 | conpar[1] = 55./2.; | |
303 | conpar[2] = 55.4/2.; | |
304 | conpar[3] = 68./2.; | |
305 | conpar[4] = 68.4/2.; | |
306 | gMC->Gsvolu("P015", "CONE", idtmed[5], conpar, 5); | |
307 | gMC->Gspos("P015", 1, "ZDC ", 0., 0., conpar[0] + zd1, 0, "ONLY"); | |
308 | ||
309 | zd1 += conpar[0] * 2.; | |
310 | ||
311 | tubpar[0] = 68./2.; | |
312 | tubpar[1] = 68.4/2.; | |
313 | tubpar[2] = 927.3/2.; | |
314 | gMC->Gsvolu("P016", "TUBE", idtmed[5], tubpar, 3); | |
315 | gMC->Gspos("P016", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
316 | ||
317 | zd1 += tubpar[2] * 2.; | |
318 | ||
319 | tubpar[0] = 0./2.; | |
320 | tubpar[1] = 68.4/2.; | |
321 | tubpar[2] = 0.2/2.; | |
322 | gMC->Gsvolu("P017", "TUBE", idtmed[5], tubpar, 3); | |
323 | gMC->Gspos("P017", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
324 | ||
325 | zd1 += tubpar[2] * 2.; | |
326 | ||
327 | tubpar[0] = 0./2.; | |
328 | tubpar[1] = 5./2.; | |
329 | tubpar[2] = 0.2/2.; | |
330 | gMC->Gsvolu("Q017", "TUBE", idtmed[10], tubpar, 3); | |
331 | ||
332 | //-- Position Q017 inside P017 | |
333 | gMC->Gspos("Q017", 1, "P017", -7.7, 0., 0., 0, "ONLY"); | |
334 | ||
335 | tubpar[0] = 0./2.; | |
336 | tubpar[1] = 7./2.; | |
337 | tubpar[2] = 0.2/2.; | |
338 | gMC->Gsvolu("R017", "TUBE", idtmed[10], tubpar, 3); | |
339 | ||
340 | //-- Position R017 inside P017 | |
341 | gMC->Gspos("R017", 1, "P017", 7.7, 0., 0., 0, "ONLY"); | |
342 | ||
343 | //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2 | |
344 | ||
345 | tubpar[0] = 5./2.; | |
346 | tubpar[1] = 5.4/2.; | |
347 | tubpar[2] = 678./2.; | |
348 | gMC->Gsvolu("P018", "TUBE", idtmed[5], tubpar, 3); | |
349 | ||
350 | tubpar[0] = 7./2.; | |
351 | tubpar[1] = 7.4/2.; | |
352 | tubpar[2] = 678./2.; | |
353 | gMC->Gsvolu("P019", "TUBE", idtmed[5], tubpar, 3); | |
354 | ||
355 | // -- ROTATE PIPES | |
356 | ||
357 | AliMatrix(im1, 90.-0.071, 0., 90., 90., .071, 180.); | |
358 | angle = .071*kDegrad; | |
359 | gMC->Gspos("P018", 1, "ZDC ", TMath::Sin(angle) * 645. / 2. - 9.7 + | |
360 | TMath::Sin(angle) * 945. / 2., 0., tubpar[2] + zd1, im1, "ONLY"); | |
361 | AliMatrix(im2, 90.+0.071, 0., 90., 90., .071, 0.); | |
362 | gMC->Gspos("P019", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 645. / 2., 0., | |
363 | tubpar[2] + zd1, im2, "ONLY"); | |
364 | ||
365 | // -- END OF BEAM PIPE VOLUME DEFINITION. MAGNET DEFINITION FOLLOWS | |
366 | // (LHC OPTICS 6) | |
367 | ||
368 | // -- COMPENSATOR DIPOLE (MBXW) | |
369 | // GAP (VACUUM WITH MAGNETIC FIELD) | |
370 | ||
371 | tubpar[0] = 0.; | |
372 | tubpar[1] = 4.5; | |
373 | tubpar[2] = 340./2.; | |
374 | gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3); | |
375 | gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY"); | |
376 | ||
377 | // -- YOKE (IRON WITHOUT MAGNETIC FIELD) | |
378 | ||
379 | tubpar[0] = 4.5; | |
380 | tubpar[1] = 55.; | |
381 | tubpar[2] = 340./2.; | |
382 | gMC->Gsvolu("YMBX", "TUBE", idtmed[5], tubpar, 3); | |
383 | gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., tubpar[2] + 805., 0, "ONLY"); | |
384 | ||
385 | // -- COMPENSATOR DIPOLE (MCBWA) | |
386 | // GAP (VACUUM WITH MAGNETIC FIELD) | |
387 | ||
388 | tubpar[0] = 0.; | |
389 | tubpar[1] = 4.5; | |
390 | tubpar[2] = 170./2.; | |
391 | gMC->Gsvolu("MCBW", "TUBE", idtmed[11], tubpar, 3); | |
392 | gMC->Gspos("MCBW", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY"); | |
393 | ||
394 | // -- YOKE (IRON WITHOUT MAGNETIC FIELD) | |
395 | ||
396 | tubpar[0] = 4.5; | |
397 | tubpar[1] = 55.; | |
398 | tubpar[2] = 170./2.; | |
399 | gMC->Gsvolu("YMCB", "TUBE", idtmed[5], tubpar, 3); | |
400 | gMC->Gspos("YMCB", 1, "ZDC ", 0., 0., tubpar[2] + 1921.6, 0, "ONLY"); | |
401 | ||
402 | // -- INNER TRIPLET | |
403 | ||
404 | zq = 2300.; | |
405 | ||
406 | // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT | |
407 | ||
408 | // MQXL | |
409 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
410 | ||
411 | tubpar[0] = 0.; | |
412 | tubpar[1] = 3.5; | |
413 | tubpar[2] = 630./2.; | |
414 | gMC->Gsvolu("MQXL", "TUBE", idtmed[11], tubpar, 3); | |
415 | ||
416 | // -- YOKE | |
417 | ||
418 | tubpar[0] = 3.5; | |
419 | tubpar[1] = 22.; | |
420 | tubpar[2] = 630./2.; | |
421 | gMC->Gsvolu("YMQL", "TUBE", idtmed[5], tubpar, 3); | |
422 | ||
423 | gMC->Gspos("MQXL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY"); | |
424 | gMC->Gspos("YMQL", 1, "ZDC ", 0., 0., tubpar[2] + zq, 0, "ONLY"); | |
425 | ||
426 | gMC->Gspos("MQXL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY"); | |
427 | gMC->Gspos("YMQL", 2, "ZDC ", 0., 0., tubpar[2] + zq + 2430., 0, "ONLY"); | |
428 | ||
429 | // -- MQX | |
430 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
431 | ||
432 | tubpar[0] = 0.; | |
433 | tubpar[1] = 3.5; | |
434 | tubpar[2] = 550./2.; | |
435 | gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3); | |
436 | ||
437 | // -- YOKE | |
438 | ||
439 | tubpar[0] = 3.5; | |
440 | tubpar[1] = 22.; | |
441 | tubpar[2] = 550./2.; | |
442 | gMC->Gsvolu("YMQ ", "TUBE", idtmed[5], tubpar, 3); | |
443 | ||
444 | gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY"); | |
445 | gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., tubpar[2] + zq + 880., 0, "ONLY"); | |
446 | ||
447 | gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY"); | |
448 | gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., tubpar[2] + zq + 1530., 0, "ONLY"); | |
449 | ||
450 | // -- SEPARATOR DIPOLE D1 | |
451 | ||
452 | zd1 = 5838.3; | |
453 | ||
454 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
455 | ||
456 | tubpar[0] = 0.; | |
457 | tubpar[1] = 7.5/2.; | |
458 | tubpar[2] = 945./2.; | |
459 | gMC->Gsvolu("D1 ", "TUBE", idtmed[11], tubpar, 3); | |
460 | ||
461 | // -- YOKE | |
462 | ||
463 | tubpar[0] = 0.; | |
464 | tubpar[1] = 110./2; | |
465 | tubpar[2] = 945./2.; | |
466 | gMC->Gsvolu("YD1 ", "TUBE", idtmed[5], tubpar, 3); | |
467 | ||
468 | gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., tubpar[2] + zd1, 0, "ONLY"); | |
469 | gMC->Gspos("D1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY"); | |
470 | ||
471 | // -- DIPOLE D2 | |
472 | ||
473 | zd2 = 12147.6; | |
474 | ||
475 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
476 | ||
477 | tubpar[0] = 0.; | |
478 | tubpar[1] = 7.5/2.; | |
479 | tubpar[2] = 945./2.; | |
480 | gMC->Gsvolu("D2 ", "TUBE", idtmed[11], tubpar, 3); | |
481 | ||
482 | // -- YOKE | |
483 | ||
484 | tubpar[0] = 0.; | |
485 | tubpar[1] = 55.; | |
486 | tubpar[2] = 945./2.; | |
487 | gMC->Gsvolu("YD2 ", "TUBE", idtmed[5], tubpar, 3); | |
488 | ||
489 | gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., tubpar[2] + zd2, 0, "ONLY"); | |
490 | ||
491 | gMC->Gspos("D2 ", 1, "YD2 ", -9.7, 0., 0., 0, "ONLY"); | |
492 | gMC->Gspos("D2 ", 2, "YD2 ", 9.7, 0., 0., 0, "ONLY"); | |
493 | ||
494 | // -- END OF MAGNET DEFINITION | |
495 | } | |
496 | ||
497 | //_____________________________________________________________________________ | |
498 | void AliZDCv1::CreateZDC() | |
499 | { | |
500 | ||
501 | Int_t *idtmed = fIdtmed->GetArray(); | |
502 | ||
503 | //-- Create calorimeters geometry | |
504 | ||
505 | //--> Neutron calorimeter (ZN) | |
506 | ||
507 | gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material | |
508 | gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material | |
509 | gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3); | |
510 | gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3); | |
511 | gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3); | |
512 | gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves | |
513 | gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3); | |
514 | gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3); | |
515 | gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3); | |
516 | ||
517 | // Divide ZNEU in towers (for hits purposes) | |
518 | ||
519 | gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower | |
520 | gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower | |
521 | ||
522 | //-- Divide ZN1 in minitowers | |
523 | // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS, | |
524 | // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS | |
525 | // (4 fibres per minitower) | |
526 | ||
527 | gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices | |
528 | gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks | |
529 | ||
530 | // --- Position the empty grooves in the sticks (4 grooves per stick) | |
531 | Float_t dx = fDimZN[0] / fDivZN[0] / 4.; | |
532 | Float_t dy = fDimZN[1] / fDivZN[1] / 4.; | |
533 | ||
534 | gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY"); | |
535 | gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY"); | |
536 | gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY"); | |
537 | gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY"); | |
538 | ||
539 | // --- Position the fibers in the grooves | |
540 | gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY"); | |
541 | gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY"); | |
542 | gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY"); | |
543 | gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY"); | |
544 | ||
545 | // --- Position the neutron calorimeter in ZDC | |
546 | gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2] + fDimZN[2], 0, "ONLY"); | |
547 | ||
548 | //--> Proton calorimeter | |
549 | ||
550 | gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material | |
551 | gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material | |
552 | gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3); | |
553 | gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3); | |
554 | gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3); | |
555 | gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves | |
556 | gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3); | |
557 | gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3); | |
558 | gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3); | |
559 | ||
560 | //-- Divide ZPRO in towers(for hits purposes) | |
561 | ||
562 | gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower | |
563 | gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower | |
564 | ||
565 | ||
566 | //-- Divide ZP1 in minitowers | |
567 | // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER, | |
568 | // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER | |
569 | // (4 fiber per minitower) | |
570 | ||
571 | gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices | |
572 | gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks | |
573 | ||
574 | // --- Position the empty grooves in the sticks (4 grooves per stick) | |
575 | dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.; | |
576 | dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.; | |
577 | ||
578 | gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY"); | |
579 | gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY"); | |
580 | gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY"); | |
581 | gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY"); | |
582 | ||
583 | // --- Position the fibers in the grooves | |
584 | gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY"); | |
585 | gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY"); | |
586 | gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY"); | |
587 | gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY"); | |
588 | ||
589 | ||
590 | // --- Position the proton calorimeter in ZDC | |
591 | gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2] + fDimZP[2], 0, "ONLY"); | |
592 | ||
593 | } | |
594 | ||
595 | //_____________________________________________________________________________ | |
596 | void AliZDCv1::DrawModule() | |
597 | { | |
598 | // | |
599 | // Draw a shaded view of the Zero Degree Calorimeter version 1 | |
600 | // | |
601 | ||
602 | // Set everything unseen | |
603 | gMC->Gsatt("*", "seen", -1); | |
604 | // | |
605 | // Set ALIC mother transparent | |
606 | gMC->Gsatt("ALIC","SEEN",0); | |
607 | // | |
608 | // Set the volumes visible | |
609 | gMC->Gsatt("ZDC ","SEEN",0); | |
610 | gMC->Gsatt("P001","SEEN",1); | |
611 | gMC->Gsatt("E001","SEEN",1); | |
612 | gMC->Gsatt("E002","SEEN",1); | |
613 | gMC->Gsatt("E003","SEEN",1); | |
614 | gMC->Gsatt("E004","SEEN",1); | |
615 | gMC->Gsatt("C001","SEEN",1); | |
616 | gMC->Gsatt("P002","SEEN",1); | |
617 | gMC->Gsatt("P003","SEEN",1); | |
618 | gMC->Gsatt("P004","SEEN",1); | |
619 | gMC->Gsatt("P005","SEEN",1); | |
620 | gMC->Gsatt("P006","SEEN",1); | |
621 | gMC->Gsatt("P007","SEEN",1); | |
622 | gMC->Gsatt("P008","SEEN",1); | |
623 | gMC->Gsatt("P009","SEEN",1); | |
624 | gMC->Gsatt("P010","SEEN",1); | |
625 | gMC->Gsatt("P011","SEEN",1); | |
626 | gMC->Gsatt("P012","SEEN",1); | |
627 | gMC->Gsatt("P013","SEEN",1); | |
628 | gMC->Gsatt("P014","SEEN",1); | |
629 | gMC->Gsatt("P015","SEEN",1); | |
630 | gMC->Gsatt("P016","SEEN",1); | |
631 | gMC->Gsatt("P017","SEEN",1); | |
632 | gMC->Gsatt("Q017","SEEN",1); | |
633 | gMC->Gsatt("R017","SEEN",1); | |
634 | gMC->Gsatt("P018","SEEN",1); | |
635 | gMC->Gsatt("P019","SEEN",1); | |
636 | gMC->Gsatt("MBXW","SEEN",1); | |
637 | gMC->Gsatt("YMBX","SEEN",1); | |
638 | gMC->Gsatt("MCBW","SEEN",1); | |
639 | gMC->Gsatt("YMCB","SEEN",1); | |
640 | gMC->Gsatt("MQXL","SEEN",1); | |
641 | gMC->Gsatt("YMQL","SEEN",1); | |
642 | gMC->Gsatt("MQX ","SEEN",1); | |
643 | gMC->Gsatt("YMQ ","SEEN",1); | |
644 | gMC->Gsatt("D1 ","SEEN",1); | |
645 | gMC->Gsatt("YD1 ","SEEN",1); | |
646 | gMC->Gsatt("D2 ","SEEN",1); | |
647 | gMC->Gsatt("YD2 ","SEEN",1); | |
648 | gMC->Gsatt("ZNEU","SEEN",0); | |
649 | gMC->Gsatt("ZNF1","SEEN",0); | |
650 | gMC->Gsatt("ZNF2","SEEN",0); | |
651 | gMC->Gsatt("ZNF3","SEEN",0); | |
652 | gMC->Gsatt("ZNF4","SEEN",0); | |
653 | gMC->Gsatt("ZNG1","SEEN",0); | |
654 | gMC->Gsatt("ZNG2","SEEN",0); | |
655 | gMC->Gsatt("ZNG3","SEEN",0); | |
656 | gMC->Gsatt("ZNG4","SEEN",0); | |
657 | gMC->Gsatt("ZNTX","SEEN",0); | |
658 | gMC->Gsatt("ZN1 ","COLO",2); | |
659 | gMC->Gsatt("ZN1 ","SEEN",1); | |
660 | gMC->Gsatt("ZNSL","SEEN",0); | |
661 | gMC->Gsatt("ZNST","SEEN",0); | |
662 | gMC->Gsatt("ZPRO","SEEN",0); | |
663 | gMC->Gsatt("ZPF1","SEEN",0); | |
664 | gMC->Gsatt("ZPF2","SEEN",0); | |
665 | gMC->Gsatt("ZPF3","SEEN",0); | |
666 | gMC->Gsatt("ZPF4","SEEN",0); | |
667 | gMC->Gsatt("ZPG1","SEEN",0); | |
668 | gMC->Gsatt("ZPG2","SEEN",0); | |
669 | gMC->Gsatt("ZPG3","SEEN",0); | |
670 | gMC->Gsatt("ZPG4","SEEN",0); | |
671 | gMC->Gsatt("ZPTX","SEEN",0); | |
672 | gMC->Gsatt("ZP1 ","COLO",2); | |
673 | gMC->Gsatt("ZP1 ","SEEN",1); | |
674 | gMC->Gsatt("ZPSL","SEEN",0); | |
675 | gMC->Gsatt("ZPST","SEEN",0); | |
676 | ||
677 | // | |
678 | gMC->Gdopt("hide", "on"); | |
679 | gMC->Gdopt("shad", "on"); | |
680 | gMC->Gsatt("*", "fill", 7); | |
681 | gMC->SetClipBox("."); | |
682 | gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000); | |
683 | gMC->DefaultRange(); | |
684 | gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07); | |
685 | gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1"); | |
686 | gMC->Gdman(18, 4, "MAN"); | |
687 | } | |
688 | ||
689 | //_____________________________________________________________________________ | |
690 | void AliZDCv1::CreateMaterials() | |
691 | { | |
692 | // | |
693 | // Create Materials for the Zero Degree Calorimeter | |
694 | // | |
695 | // Origin : E. Scomparin | |
696 | ||
697 | Int_t *idtmed = fIdtmed->GetArray(); | |
698 | ||
699 | Float_t dens, ubuf[1], wmat[2]; | |
700 | Int_t isvolActive; | |
701 | Float_t a[2]; | |
702 | Int_t i; | |
703 | Float_t z[2], epsil=0.001, stmin=0.01; | |
704 | Int_t isvol; | |
705 | Float_t fieldm = gAlice->Field()->Max(); | |
706 | Int_t inofld; | |
707 | Float_t deemax=-1; | |
708 | Float_t tmaxfd=gAlice->Field()->Max(); | |
709 | Int_t isxfld = gAlice->Field()->Integ(); | |
710 | Float_t stemax; | |
711 | ||
712 | // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3 | |
713 | ||
714 | // --- Tantalum -> ZN passive material | |
715 | ubuf[0] = 1.1; | |
716 | AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1); | |
717 | ||
718 | // --- Tungsten | |
719 | // ubuf[0] = 1.11; | |
720 | // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1); | |
721 | ||
722 | // --- Brass (CuZn) -> ZP passive material | |
723 | dens = 8.48; | |
724 | a[0] = 63.546; | |
725 | a[1] = 65.39; | |
726 | z[0] = 29.; | |
727 | z[1] = 30.; | |
728 | wmat[0] = .63; | |
729 | wmat[1] = .37; | |
730 | AliMixture(2, "BRASS ", a, z, dens, 2, wmat); | |
731 | ||
732 | // --- SiO2 | |
733 | dens = 2.64; | |
734 | a[0] = 28.086; | |
735 | a[1] = 15.9994; | |
736 | z[0] = 14.; | |
737 | z[1] = 8.; | |
738 | wmat[0] = 1.; | |
739 | wmat[1] = 2.; | |
740 | AliMixture(3, "SIO2 ", a, z, dens, -2, wmat); | |
741 | ||
742 | // --- Copper | |
743 | // ubuf[0] = 1.1; | |
744 | // AliMaterial(7, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1); | |
745 | ||
746 | ||
747 | // --- Lead | |
748 | // ubuf[0] = 1.12; | |
749 | // AliMaterial(6, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1); | |
750 | ||
751 | // --- Iron | |
752 | ubuf[0] = 1.1; | |
753 | AliMaterial(5, "IRON", 55.85, 26., 7.87, 1.76, 0., ubuf, 1); | |
754 | ||
755 | // --- Vacuum (no magnetic field) | |
756 | AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); | |
757 | ||
758 | // --- Vacuum (with magnetic field) | |
759 | AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); | |
760 | ||
761 | // --- Air (no magnetic field) | |
762 | AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0); | |
763 | ||
764 | // --- Definition of tracking media: | |
765 | ||
766 | // --- Tantalum = 1 ; | |
767 | // --- Brass = 2 ; | |
768 | // --- Fibers (SiO2) = 3 ; | |
769 | // --- Fibers (SiO2) = 4 ; | |
770 | // --- Iron = 5 ; | |
771 | // --- Lead = 6 ; | |
772 | // --- Vacuum (no field) = 10 | |
773 | // --- Vacuum (with field) = 11 | |
774 | // --- Air (no field) = 12 | |
775 | ||
776 | ||
777 | // --- Tracking media parameters | |
778 | epsil = .01; | |
779 | stemax = 1.; | |
780 | isvol = 0; | |
781 | isvolActive = 1; | |
782 | inofld = 0; | |
783 | fieldm = 0.; | |
784 | ||
785 | AliMedium(1, "ZTANT", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
786 | // AliMedium(1, "ZW", 1, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
787 | AliMedium(2, "ZBRASS", 2, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
788 | AliMedium(3, "ZSIO2", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
789 | AliMedium(4, "ZQUAR", 3, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
790 | // AliMedium(7, "ZCOPP", 7, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
791 | // AliMedium(6, "ZLEAD", 6, isvolActive, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
792 | AliMedium(5, "ZIRON", 5, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
793 | AliMedium(10, "ZVOID", 10, isvol, inofld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
794 | AliMedium(12, "ZAIR", 12, 0, inofld, fieldm, tmaxfd, stemax,deemax, epsil, stmin); | |
795 | ||
796 | fieldm = 45.; | |
797 | AliMedium(11, "ZVOIM", 11, isvol, isxfld, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
798 | ||
799 | // Thresholds for showering in the ZDCs | |
800 | ||
801 | i = 1; | |
802 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); | |
803 | gMC->Gstpar(idtmed[i], "CUTELE", .001); | |
804 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); | |
805 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); | |
806 | i = 2; | |
807 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); | |
808 | gMC->Gstpar(idtmed[i], "CUTELE", .001); | |
809 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); | |
810 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); | |
811 | ||
812 | // Avoid too detailed showering along the beam line | |
813 | ||
814 | i = 5; | |
815 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); | |
816 | gMC->Gstpar(idtmed[i], "CUTELE", .1); | |
817 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); | |
818 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); | |
819 | ||
820 | // Avoid interaction in fibers (only energy loss allowed) | |
821 | i = 3; | |
822 | gMC->Gstpar(idtmed[i], "DCAY", 0.); | |
823 | gMC->Gstpar(idtmed[i], "MULS", 0.); | |
824 | gMC->Gstpar(idtmed[i], "PFIS", 0.); | |
825 | gMC->Gstpar(idtmed[i], "MUNU", 0.); | |
826 | gMC->Gstpar(idtmed[i], "LOSS", 1.); | |
827 | gMC->Gstpar(idtmed[i], "PHOT", 0.); | |
828 | gMC->Gstpar(idtmed[i], "COMP", 0.); | |
829 | gMC->Gstpar(idtmed[i], "PAIR", 0.); | |
830 | gMC->Gstpar(idtmed[i], "BREM", 0.); | |
831 | gMC->Gstpar(idtmed[i], "DRAY", 0.); | |
832 | gMC->Gstpar(idtmed[i], "ANNI", 0.); | |
833 | gMC->Gstpar(idtmed[i], "HADR", 0.); | |
834 | i = 4; | |
835 | gMC->Gstpar(idtmed[i], "DCAY", 0.); | |
836 | gMC->Gstpar(idtmed[i], "MULS", 0.); | |
837 | gMC->Gstpar(idtmed[i], "PFIS", 0.); | |
838 | gMC->Gstpar(idtmed[i], "MUNU", 0.); | |
839 | gMC->Gstpar(idtmed[i], "LOSS", 1.); | |
840 | gMC->Gstpar(idtmed[i], "PHOT", 0.); | |
841 | gMC->Gstpar(idtmed[i], "COMP", 0.); | |
842 | gMC->Gstpar(idtmed[i], "PAIR", 0.); | |
843 | gMC->Gstpar(idtmed[i], "BREM", 0.); | |
844 | gMC->Gstpar(idtmed[i], "DRAY", 0.); | |
845 | gMC->Gstpar(idtmed[i], "ANNI", 0.); | |
846 | gMC->Gstpar(idtmed[i], "HADR", 0.); | |
847 | // | |
848 | fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1 | |
849 | fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2 | |
850 | fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material | |
851 | fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material | |
852 | fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves | |
853 | } | |
854 | ||
855 | //_____________________________________________________________________________ | |
856 | void AliZDCv1::Init() | |
857 | { | |
858 | InitTables(); | |
859 | ||
860 | } | |
861 | ||
862 | //_____________________________________________________________________________ | |
863 | void AliZDCv1::InitTables() | |
864 | { | |
c0ceba4c | 865 | Int_t k, j; |
68ca986e | 866 | //Initialize parameters for light tables and read them |
867 | fNalfan = 90; | |
868 | fNalfap = 90; | |
869 | fNben = 18; | |
870 | fNbep = 28; | |
871 | ||
872 | FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8; | |
873 | ||
874 | if((fp1 = fopen("light22620362207s","r")) == NULL){ | |
875 | printf("Cannot open file fp1 \n"); | |
876 | return; | |
877 | } | |
878 | if((fp2 = fopen("light22620362208s","r")) == NULL){ | |
879 | printf("Cannot open file fp2 \n"); | |
880 | return; | |
881 | } | |
882 | if((fp3 = fopen("light22620362209s","r")) == NULL){ | |
883 | printf("Cannot open file fp3 \n"); | |
884 | return; | |
885 | } | |
886 | if((fp4 = fopen("light22620362210s","r")) == NULL){ | |
887 | printf("Cannot open file fp4 \n"); | |
888 | return; | |
889 | } | |
890 | // printf(" --- Reading light tables for ZN \n"); | |
c0ceba4c | 891 | for(k=0; k<fNalfan; k++){ |
892 | for(j=0; j<fNben; j++){ | |
68ca986e | 893 | fscanf(fp1,"%f",&fTablen[0][k][j]); |
894 | fscanf(fp2,"%f",&fTablen[1][k][j]); | |
895 | fscanf(fp3,"%f",&fTablen[2][k][j]); | |
896 | fscanf(fp4,"%f",&fTablen[3][k][j]); | |
897 | } | |
898 | } | |
899 | fclose(fp1); | |
900 | fclose(fp2); | |
901 | fclose(fp3); | |
902 | fclose(fp4); | |
903 | ||
904 | if((fp5 = fopen("light22620552207s","r")) == NULL){ | |
905 | printf("Cannot open file fp5 \n"); | |
906 | return; | |
907 | } | |
908 | if((fp6 = fopen("light22620552208s","r")) == NULL){ | |
909 | printf("Cannot open file fp6 \n"); | |
910 | return; | |
911 | } | |
912 | if((fp7 = fopen("light22620552209s","r")) == NULL){ | |
913 | printf("Cannot open file fp7 \n"); | |
914 | return; | |
915 | } | |
916 | if((fp8 = fopen("light22620552210s","r")) == NULL){ | |
917 | printf("Cannot open file fp8 \n"); | |
918 | return; | |
919 | } | |
920 | // printf(" --- Reading light tables for ZP \n"); | |
c0ceba4c | 921 | for(k=0; k<fNalfap; k++){ |
922 | for(j=0; j<fNbep; j++){ | |
68ca986e | 923 | fscanf(fp5,"%f",&fTablep[0][k][j]); |
924 | fscanf(fp6,"%f",&fTablep[1][k][j]); | |
925 | fscanf(fp7,"%f",&fTablep[2][k][j]); | |
926 | fscanf(fp8,"%f",&fTablep[3][k][j]); | |
927 | } | |
928 | } | |
929 | fclose(fp5); | |
930 | fclose(fp6); | |
931 | fclose(fp7); | |
932 | fclose(fp8); | |
933 | } | |
934 | ||
935 | //_____________________________________________________________________________ | |
936 | void AliZDCv1::StepManager() | |
937 | { | |
938 | // | |
939 | // Routine called at every step in the Zero Degree Calorimeters | |
940 | // | |
941 | ||
c0ceba4c | 942 | Int_t j; |
943 | ||
68ca986e | 944 | Int_t vol[2], ibeta, ialfa, ibe; |
366ff5c2 | 945 | Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, radius, out; |
68ca986e | 946 | TLorentzVector s, p; |
947 | const char *knamed; | |
948 | ||
949 | if((gMC->GetMedium() == fMedSensZN) || (gMC->GetMedium() == fMedSensZP) || | |
950 | (gMC->GetMedium() == fMedSensGR) || (gMC->GetMedium() == fMedSensF1) || | |
951 | (gMC->GetMedium() == fMedSensF2)){ | |
952 | ||
953 | //Particle coordinates | |
954 | gMC->TrackPosition(s); | |
c0ceba4c | 955 | for(j=0; j<=2; j++){ |
68ca986e | 956 | x[j] = s[j]; |
957 | } | |
958 | hits[0] = x[0]; | |
959 | hits[1] = x[1]; | |
960 | hits[2] = x[2]; | |
961 | ||
962 | // Determine in which ZDC the particle is | |
963 | knamed = gMC->CurrentVolName(); | |
964 | if(!strncmp(knamed,"ZN",2))vol[0]=1; | |
965 | if(!strncmp(knamed,"ZP",2))vol[0]=2; | |
966 | ||
967 | // Determine in which quadrant the particle is | |
968 | ||
969 | //Quadrant in ZN | |
970 | gMC->Gmtod(x,xdet,1); | |
971 | if(vol[0]==1){ | |
972 | if((xdet[0]<0.) && (xdet[1]>0.)) vol[1]=1; | |
973 | if((xdet[0]>0.) && (xdet[1]>0.)) vol[1]=2; | |
974 | if((xdet[0]<0.) && (xdet[1]<0.)) vol[1]=3; | |
975 | if((xdet[0]>0.) && (xdet[1]<0.)) vol[1]=4; | |
976 | } | |
977 | ||
978 | //Quadrant in ZP | |
979 | if(vol[0]==2){ | |
980 | Float_t xqZP = xdet[0]/(fDimZP[0]/2); | |
981 | for(int i=1; i<=4; i++){ | |
982 | if(xqZP>(i-3) && xqZP<(i-2)){ | |
983 | vol[1] = i; | |
984 | break; | |
985 | } | |
986 | } | |
987 | } | |
988 | // printf(" -> Det. %d Quad. %d \n", vol[0], vol[1]); | |
989 | ||
990 | // Store impact point and kinetic energy of the ENTERING particle | |
991 | ||
992 | // Int_t Curtrack = gAlice->CurrentTrack(); | |
993 | // Int_t Prim = gAlice->GetPrimary(Curtrack); | |
994 | // printf ("Primary: %d, Current Track: %d \n", Prim, Curtrack); | |
995 | ||
996 | // if(Curtrack==Prim){ | |
997 | if(gMC->IsTrackEntering()){ | |
998 | //Particle energy | |
999 | gMC->TrackMomentum(p); | |
1000 | // printf("p[0] = %f, p[1] = %f, p[2] = %f, p[3] = %f \n", | |
1001 | // p[0], p[1], p[2], p[3]); | |
1002 | hits[3] = p[3]; | |
1003 | ||
1004 | // Impact point on ZN | |
1005 | hits[4] = xdet[0]; | |
1006 | hits[5] = xdet[1]; | |
1007 | hits[7] = 0; | |
1008 | hits[8] = 0; | |
1009 | hits[9] = 0; | |
1010 | ||
1011 | // printf(" hits[2] = %f \n",hits[2]); | |
1012 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1013 | } | |
1014 | // } | |
1015 | ||
1016 | // Charged particles -> Energy loss | |
1017 | if((destep=gMC->Edep())){ | |
1018 | if(gMC->IsTrackStop()){ | |
1019 | gMC->TrackMomentum(p); | |
1020 | m = gMC->TrackMass(); | |
1021 | ekin = p[3]-m; | |
1022 | if(ekin<0.) printf("ATTENTION!!!!!!!!!!!!!!! -> ekin = %f <0 (?)",ekin); | |
1023 | hits[9] = ekin; | |
1024 | hits[7] = 0.; | |
1025 | hits[8] = 0.; | |
1026 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1027 | } | |
1028 | else{ | |
1029 | hits[9] = destep; | |
1030 | hits[7] = 0.; | |
1031 | hits[8] = 0.; | |
1032 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1033 | } | |
1034 | // printf(" -> Charged particle -> Dep. E = %f eV \n",hits[8]); | |
1035 | } | |
1036 | // printf(" \n"); | |
1037 | } | |
1038 | ||
1039 | ||
1040 | // *** Light production in fibres | |
1041 | if((gMC->GetMedium() == fMedSensF1) || (gMC->GetMedium() == fMedSensF2)){ | |
1042 | // printf("%%%%%%%%%%%%%%%% Particle in fibre %%%%%%%%%%%%%%%%\n"); | |
1043 | ||
1044 | //Select charged particles | |
1045 | if((destep=gMC->Edep())){ | |
1046 | // printf(" -> CHARGED particle!!! \n"); | |
1047 | ||
1048 | // Particle velocity | |
1049 | gMC->TrackMomentum(p); | |
1050 | Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]); | |
1051 | Float_t beta = ptot/p[3]; | |
1052 | // printf("p[0] = %f, p[1] = %f, p[2] = %f, p[3] = %f, ptot = %f \n", | |
1053 | // p[0], p[1], p[2], p[3], ptot); | |
1054 | // Int_t pcID = gMC->TrackPid(); | |
1055 | // printf(" Pc %d in quadrant %d -> beta = %f \n", pcID, vol[1], beta); | |
1056 | if(beta<0.67) return; | |
94de3818 | 1057 | else if((beta>=0.67) && (beta<=0.75)) ibeta = 0; |
1058 | else if((beta>0.75) && (beta<=0.85)) ibeta = 1; | |
1059 | else if((beta>0.85) && (beta<=0.95)) ibeta = 2; | |
1060 | else ibeta = 3; | |
68ca986e | 1061 | |
1062 | // Angle between particle trajectory and fibre axis | |
1063 | // 1 -> Momentum directions | |
1064 | um[0] = p[0]/ptot; | |
1065 | um[1] = p[1]/ptot; | |
1066 | um[2] = p[2]/ptot; | |
1067 | gMC->Gmtod(um,ud,2); | |
1068 | // 2 -> Angle < limit angle | |
1069 | Double_t alfar = TMath::ACos(ud[2]); | |
1070 | Double_t alfa = alfar*kRaddeg; | |
1071 | if(alfa>110.) return; | |
1072 | ialfa = Int_t(1.+alfa/2.); | |
1073 | ||
1074 | // Distance between particle trajectory and fibre axis | |
1075 | gMC->TrackPosition(s); | |
c0ceba4c | 1076 | for(j=0; j<=2; j++){ |
68ca986e | 1077 | x[j] = s[j]; |
1078 | } | |
1079 | gMC->Gmtod(x,xdet,1); | |
1080 | if(TMath::Abs(ud[0])>0.00001){ | |
1081 | Float_t dcoeff = ud[1]/ud[0]; | |
1082 | be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.)); | |
1083 | } | |
1084 | else{ | |
1085 | be = TMath::Abs(ud[0]); | |
1086 | } | |
1087 | ||
1088 | if((vol[0]==1)) radius = fFibZN[1]; | |
1089 | if((vol[0]==2)) radius = fFibZP[1]; | |
1090 | ibe = Int_t(be*1000.+1); | |
1091 | ||
1092 | //Looking into the light tables | |
1093 | Float_t charge = gMC->TrackCharge(); | |
1094 | ||
1095 | // (1) ZN | |
1096 | if((vol[0]==1)) { | |
1097 | if(ibe>fNben) ibe=fNben; | |
1098 | out = charge*charge*fTablen[ibeta][ialfa][ibe]; | |
1099 | // printf(" -> fTablen [%d][%d][%d] = %f \n", | |
1100 | // ibeta, ialfa, ibe, fTablen[ibeta][ialfa][ibe]); | |
1101 | if(gMC->GetMedium() == fMedSensF1){ | |
1102 | hits[7] = out; //fLightPMQ | |
1103 | hits[8] = 0; | |
1104 | hits[9] = 0; | |
1105 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1106 | } | |
1107 | else{ | |
1108 | hits[7] = 0; | |
1109 | hits[8] = out; //fLightPMC | |
1110 | hits[9] = 0; | |
1111 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | // (2) ZP | |
1116 | if((vol[0]==2)) { | |
1117 | if(ibe>fNbep) ibe=fNbep; | |
1118 | out = charge*charge*fTablep[ibeta][ialfa][ibe]; | |
1119 | // printf(" -> fTablep [%d][%d][%d] = %f\n", | |
1120 | // ibeta, ialfa, ibe, fTablen[ibeta][ialfa][ibe]); | |
1121 | if(gMC->GetMedium() == fMedSensF1){ | |
1122 | hits[7] = out; //fLightPMQ | |
1123 | hits[8] = 0; | |
1124 | hits[9] = 0; | |
1125 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1126 | } | |
1127 | else{ | |
1128 | hits[7] = 0; | |
1129 | hits[8] = out; //fLightPMC | |
1130 | hits[9] = 0; | |
1131 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
1132 | } | |
1133 | } | |
1134 | } | |
1135 | // printf("\n"); | |
1136 | } | |
1137 | } |