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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 | /////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // AliZDCv2 --- new ZDC geometry // | |
20 | // with the EM ZDC at about 10 m from IP // | |
21 | // Just one set of ZDC is inserted // | |
22 | // (on the same side of the dimuon arm realtive to IP) // | |
23 | // Compensator in ZDC geometry (Nov. 2004) // | |
24 | // // | |
25 | /////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | // --- Standard libraries | |
28 | #include "stdio.h" | |
29 | ||
30 | // --- ROOT system | |
31 | #include <TBRIK.h> | |
32 | #include <TLorentzVector.h> | |
33 | #include <TMath.h> | |
34 | #include <TNode.h> | |
35 | #include <TRandom.h> | |
36 | #include <TSystem.h> | |
37 | #include <TTree.h> | |
38 | #include <TVirtualMC.h> | |
39 | ||
40 | // --- AliRoot classes | |
41 | #include "AliConst.h" | |
42 | #include "AliMagF.h" | |
43 | #include "AliRun.h" | |
44 | #include "AliZDCv2.h" | |
45 | #include "AliMC.h" | |
46 | ||
47 | class AliZDCHit; | |
48 | class AliPDG; | |
49 | class AliDetector; | |
50 | ||
51 | ClassImp(AliZDCv2) | |
52 | ||
53 | //_____________________________________________________________________________ | |
54 | AliZDCv2::AliZDCv2() : AliZDC() | |
55 | { | |
56 | // | |
57 | // Default constructor for Zero Degree Calorimeter | |
58 | // | |
59 | ||
60 | fMedSensF1 = 0; | |
61 | fMedSensF2 = 0; | |
62 | fMedSensZN = 0; | |
63 | fMedSensZP = 0; | |
64 | fMedSensZEM = 0; | |
65 | fMedSensGR = 0; | |
66 | ||
67 | } | |
68 | ||
69 | //_____________________________________________________________________________ | |
70 | AliZDCv2::AliZDCv2(const char *name, const char *title) | |
71 | : AliZDC(name,title) | |
72 | { | |
73 | // | |
74 | // Standard constructor for Zero Degree Calorimeter | |
75 | // | |
76 | // | |
77 | // Check that DIPO, ABSO, DIPO and SHIL is there (otherwise tracking is wrong!!!) | |
78 | ||
79 | AliModule* pipe=gAlice->GetModule("PIPE"); | |
80 | AliModule* abso=gAlice->GetModule("ABSO"); | |
81 | AliModule* dipo=gAlice->GetModule("DIPO"); | |
82 | AliModule* shil=gAlice->GetModule("SHIL"); | |
83 | if((!pipe) || (!abso) || (!dipo) || (!shil)) { | |
84 | Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n"); | |
85 | exit(1); | |
86 | } | |
87 | ||
88 | fMedSensF1 = 0; | |
89 | fMedSensF2 = 0; | |
90 | fMedSensZN = 0; | |
91 | fMedSensZP = 0; | |
92 | fMedSensZEM = 0; | |
93 | fMedSensGR = 0; | |
94 | fMedSensPI = 0; | |
95 | fMedSensTDI = 0; | |
96 | ||
97 | ||
98 | // Parameters for light tables | |
99 | fNalfan = 90; // Number of Alfa (neutrons) | |
100 | fNalfap = 90; // Number of Alfa (protons) | |
101 | fNben = 18; // Number of beta (neutrons) | |
102 | fNbep = 28; // Number of beta (protons) | |
103 | Int_t ip,jp,kp; | |
104 | for(ip=0; ip<4; ip++){ | |
105 | for(kp=0; kp<fNalfap; kp++){ | |
106 | for(jp=0; jp<fNbep; jp++){ | |
107 | fTablep[ip][kp][jp] = 0; | |
108 | } | |
109 | } | |
110 | } | |
111 | Int_t in,jn,kn; | |
112 | for(in=0; in<4; in++){ | |
113 | for(kn=0; kn<fNalfan; kn++){ | |
114 | for(jn=0; jn<fNben; jn++){ | |
115 | fTablen[in][kn][jn] = 0; | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
120 | // Parameters for hadronic calorimeters geometry | |
121 | fDimZN[0] = 3.52; | |
122 | fDimZN[1] = 3.52; | |
123 | fDimZN[2] = 50.; | |
124 | fDimZP[0] = 11.2; | |
125 | fDimZP[1] = 6.; | |
126 | fDimZP[2] = 75.; | |
127 | fPosZN[0] = 0.; | |
128 | fPosZN[1] = 1.2; | |
129 | fPosZN[2] = -11650.; | |
130 | fPosZP[0] = 23.9; | |
131 | fPosZP[1] = 0.; | |
132 | fPosZP[2] = -11600.; | |
133 | fFibZN[0] = 0.; | |
134 | fFibZN[1] = 0.01825; | |
135 | fFibZN[2] = 50.; | |
136 | fFibZP[0] = 0.; | |
137 | fFibZP[1] = 0.0275; | |
138 | fFibZP[2] = 75.; | |
139 | ||
140 | // Parameters for EM calorimeter geometry | |
141 | fPosZEM[0] = 8.5; | |
142 | fPosZEM[1] = 0.; | |
143 | fPosZEM[2] = 735.; | |
144 | ||
145 | Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice | |
146 | Float_t kDimZEMAir = 0.001; // scotch | |
147 | Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding) | |
148 | Int_t kDivZEM[3] = {92, 0, 20}; // Divisions for EM detector | |
149 | Float_t kDimZEM0 = 2*kDivZEM[2]*(kDimZEMPb+kDimZEMAir+kFibRadZEM*(TMath::Sqrt(2.))); | |
150 | fZEMLength = kDimZEM0; | |
151 | ||
152 | } | |
153 | ||
154 | //_____________________________________________________________________________ | |
155 | void AliZDCv2::CreateGeometry() | |
156 | { | |
157 | // | |
158 | // Create the geometry for the Zero Degree Calorimeter version 2 | |
159 | //* Initialize COMMON block ZDC_CGEOM | |
160 | //* | |
161 | ||
162 | CreateBeamLine(); | |
163 | CreateZDC(); | |
164 | } | |
165 | ||
166 | //_____________________________________________________________________________ | |
167 | void AliZDCv2::CreateBeamLine() | |
168 | { | |
169 | // | |
170 | // Create the beam line elements | |
171 | // | |
172 | ||
173 | Float_t zc, zq, zd1, zd2; | |
174 | Float_t conpar[9], tubpar[3], tubspar[5], boxpar[3]; | |
175 | Int_t im1, im2; | |
176 | ||
177 | Int_t *idtmed = fIdtmed->GetArray(); | |
178 | ||
179 | // -- Mother of the ZDCs (Vacuum PCON) | |
180 | // zd1 = 2092.; // (Without compensator in ZDC geometry) | |
181 | zd1 = 1921.6; | |
182 | ||
183 | conpar[0] = 0.; | |
184 | conpar[1] = 360.; | |
185 | conpar[2] = 2.; | |
186 | conpar[3] = -13500.; | |
187 | conpar[4] = 0.; | |
188 | conpar[5] = 55.; | |
189 | conpar[6] = -zd1; | |
190 | conpar[7] = 0.; | |
191 | conpar[8] = 55.; | |
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 | tubpar[0] = 6.3/2.; | |
198 | tubpar[1] = 6.7/2.; | |
199 | // From beginning of ZDC volumes to beginning of D1 | |
200 | tubpar[2] = (5838.3-zd1)/2.; | |
201 | gMC->Gsvolu("QT01", "TUBE", idtmed[7], tubpar, 3); | |
202 | gMC->Gspos("QT01", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
203 | // Ch.debug | |
204 | //printf("\n QT01 TUBE pipe from z = %f to z= %f (D1 beg.)\n",-zd1,-2*tubpar[2]-zd1); | |
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 | // Ch.debug | |
221 | //printf("\n QT02 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
222 | ||
223 | zd1 += 2.*tubpar[2]; | |
224 | ||
225 | conpar[0] = 25./2.; | |
226 | conpar[1] = 10./2.; | |
227 | conpar[2] = 10.4/2.; | |
228 | conpar[3] = 6.44/2.; | |
229 | conpar[4] = 6.84/2.; | |
230 | gMC->Gsvolu("QC01", "CONE", idtmed[7], conpar, 5); | |
231 | gMC->Gspos("QC01", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY"); | |
232 | // Ch.debug | |
233 | //printf("\n QC01 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1); | |
234 | ||
235 | zd1 += 2.*conpar[0]; | |
236 | ||
237 | tubpar[0] = 10./2.; | |
238 | tubpar[1] = 10.4/2.; | |
239 | tubpar[2] = 50./2.; | |
240 | gMC->Gsvolu("QT03", "TUBE", idtmed[7], tubpar, 3); | |
241 | gMC->Gspos("QT03", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
242 | // Ch.debug | |
243 | //printf("\n QT03 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
244 | ||
245 | zd1 += tubpar[2]*2.; | |
246 | ||
247 | tubpar[0] = 10./2.; | |
248 | tubpar[1] = 10.4/2.; | |
249 | tubpar[2] = 10./2.; | |
250 | gMC->Gsvolu("QT04", "TUBE", idtmed[7], tubpar, 3); | |
251 | gMC->Gspos("QT04", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
252 | // Ch.debug | |
253 | //printf("\n QT04 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
254 | ||
255 | zd1 += tubpar[2] * 2.; | |
256 | ||
257 | tubpar[0] = 10./2.; | |
258 | tubpar[1] = 10.4/2.; | |
259 | tubpar[2] = 3.16/2.; | |
260 | gMC->Gsvolu("QT05", "TUBE", idtmed[7], tubpar, 3); | |
261 | gMC->Gspos("QT05", 1, "ZDC ", 0., 0., -tubpar[0]-zd1, 0, "ONLY"); | |
262 | // Ch.debug | |
263 | //printf("\n QT05 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
264 | ||
265 | zd1 += tubpar[2] * 2.; | |
266 | ||
267 | tubpar[0] = 10.0/2.; | |
268 | tubpar[1] = 10.4/2; | |
269 | tubpar[2] = 190./2.; | |
270 | gMC->Gsvolu("QT06", "TUBE", idtmed[7], tubpar, 3); | |
271 | gMC->Gspos("QT06", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
272 | // Ch.debug | |
273 | //printf("\n QT06 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
274 | ||
275 | zd1 += tubpar[2] * 2.; | |
276 | ||
277 | conpar[0] = 30./2.; | |
278 | conpar[1] = 20.6/2.; | |
279 | conpar[2] = 21./2.; | |
280 | conpar[3] = 10./2.; | |
281 | conpar[4] = 10.4/2.; | |
282 | gMC->Gsvolu("QC02", "CONE", idtmed[7], conpar, 5); | |
283 | gMC->Gspos("QC02", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY"); | |
284 | // Ch.debug | |
285 | //printf("\n QC02 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1); | |
286 | ||
287 | zd1 += conpar[0] * 2.; | |
288 | ||
289 | tubpar[0] = 20.6/2.; | |
290 | tubpar[1] = 21./2.; | |
291 | tubpar[2] = 450./2.; | |
292 | gMC->Gsvolu("QT07", "TUBE", idtmed[7], tubpar, 3); | |
293 | gMC->Gspos("QT07", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
294 | // Ch.debug | |
295 | //printf("\n QT07 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
296 | ||
297 | zd1 += tubpar[2] * 2.; | |
298 | ||
299 | conpar[0] = 13.6/2.; | |
300 | conpar[1] = 25.4/2.; | |
301 | conpar[2] = 25.8/2.; | |
302 | conpar[3] = 20.6/2.; | |
303 | conpar[4] = 21./2.; | |
304 | gMC->Gsvolu("QC03", "CONE", idtmed[7], conpar, 5); | |
305 | gMC->Gspos("QC03", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY"); | |
306 | // Ch.debug | |
307 | //printf("\n QC03 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1); | |
308 | ||
309 | zd1 += conpar[0] * 2.; | |
310 | ||
311 | tubpar[0] = 25.4/2.; | |
312 | tubpar[1] = 25.8/2.; | |
313 | tubpar[2] = 205.8/2.; | |
314 | gMC->Gsvolu("QT08", "TUBE", idtmed[7], tubpar, 3); | |
315 | gMC->Gspos("QT08", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
316 | // Ch.debug | |
317 | //printf("\n QT08 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
318 | ||
319 | zd1 += tubpar[2] * 2.; | |
320 | ||
321 | tubpar[0] = 50./2.; | |
322 | tubpar[1] = 50.4/2.; | |
323 | // QT09 is 10 cm longer to accomodate TDI | |
324 | tubpar[2] = 515.4/2.; | |
325 | gMC->Gsvolu("QT09", "TUBE", idtmed[7], tubpar, 3); | |
326 | gMC->Gspos("QT09", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
327 | // Ch.debug | |
328 | //printf("\n QT09 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
329 | ||
330 | // --- Insert TDI (inside ZDC volume) | |
331 | boxpar[0] = 5.6; | |
332 | boxpar[1] = 5.6; | |
333 | boxpar[2] = 400./2.; | |
334 | gMC->Gsvolu("QTD1", "BOX ", idtmed[7], boxpar, 3); | |
335 | gMC->Gspos("QTD1", 1, "ZDC ", -3., 10.6, -tubpar[2]-zd1-56.3, 0, "ONLY"); | |
336 | gMC->Gspos("QTD1", 2, "ZDC ", -3., -10.6, -tubpar[2]-zd1-56.3, 0, "ONLY"); | |
337 | ||
338 | boxpar[0] = 0.2/2.; | |
339 | boxpar[1] = 5.6; | |
340 | boxpar[2] = 400./2.; | |
341 | gMC->Gsvolu("QTD2", "BOX ", idtmed[6], boxpar, 3); | |
342 | gMC->Gspos("QTD2", 1, "ZDC ", -8.6-boxpar[0], 0., -tubpar[2]-zd1-56.3, 0, "ONLY"); | |
343 | ||
344 | tubspar[0] = 10.5; // R = 10.5 cm------------------------------------------ | |
345 | tubspar[1] = 10.7; | |
346 | tubspar[2] = 400./2.; | |
347 | tubspar[3] = 360.-75.5; | |
348 | tubspar[4] = 75.5; | |
349 | gMC->Gsvolu("QTD3", "TUBS", idtmed[6], tubspar, 5); | |
350 | gMC->Gspos("QTD3", 1, "ZDC ", 0., 0., -tubpar[2]-zd1-56.3, 0, "ONLY"); | |
351 | // Ch.debug | |
352 | //printf("\n TDI volume from z = %f to z= %f\n",-tubpar[2]-zd1-56.3,-tubpar[2]-zd1-56.3-400.); | |
353 | ||
354 | zd1 += tubpar[2] * 2.; | |
355 | ||
356 | tubpar[0] = 50./2.; | |
357 | tubpar[1] = 50.4/2.; | |
358 | // QT10 is 10 cm shorter | |
359 | tubpar[2] = 690./2.; | |
360 | gMC->Gsvolu("QT10", "TUBE", idtmed[7], tubpar, 3); | |
361 | gMC->Gspos("QT10", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
362 | // Ch.debug | |
363 | //printf("\n QT10 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
364 | ||
365 | zd1 += tubpar[2] * 2.; | |
366 | ||
367 | tubpar[0] = 50./2.; | |
368 | tubpar[1] = 50.4/2.; | |
369 | tubpar[2] = 778.5/2.; | |
370 | gMC->Gsvolu("QT11", "TUBE", idtmed[7], tubpar, 3); | |
371 | gMC->Gspos("QT11", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
372 | // Ch.debug | |
373 | //printf("\n QT11 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
374 | ||
375 | zd1 += tubpar[2] * 2.; | |
376 | ||
377 | conpar[0] = 14.18/2.; | |
378 | conpar[1] = 55./2.; | |
379 | conpar[2] = 55.4/2.; | |
380 | conpar[3] = 50./2.; | |
381 | conpar[4] = 50.4/2.; | |
382 | gMC->Gsvolu("QC04", "CONE", idtmed[7], conpar, 5); | |
383 | gMC->Gspos("QC04", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY"); | |
384 | // Ch.debug | |
385 | //printf("\n QC04 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1); | |
386 | ||
387 | zd1 += conpar[0] * 2.; | |
388 | ||
389 | tubpar[0] = 55./2.; | |
390 | tubpar[1] = 55.4/2.; | |
391 | tubpar[2] = 730./2.; | |
392 | gMC->Gsvolu("QT12", "TUBE", idtmed[7], tubpar, 3); | |
393 | gMC->Gspos("QT12", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
394 | // Ch.debug | |
395 | //printf("\n QT12 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
396 | ||
397 | zd1 += tubpar[2] * 2.; | |
398 | ||
399 | conpar[0] = 36.86/2.; | |
400 | conpar[1] = 68./2.; | |
401 | conpar[2] = 68.4/2.; | |
402 | conpar[3] = 55./2.; | |
403 | conpar[4] = 55.4/2.; | |
404 | gMC->Gsvolu("QC05", "CONE", idtmed[7], conpar, 5); | |
405 | gMC->Gspos("QC05", 1, "ZDC ", 0., 0., -conpar[0]-zd1, 0, "ONLY"); | |
406 | // Ch.debug | |
407 | //printf("\n QC05 CONE pipe from z = %f to z= %f\n",-zd1,-2*conpar[0]-zd1); | |
408 | ||
409 | zd1 += conpar[0] * 2.; | |
410 | ||
411 | tubpar[0] = 68./2.; | |
412 | tubpar[1] = 68.4/2.; | |
413 | tubpar[2] = 927.3/2.; | |
414 | gMC->Gsvolu("QT13", "TUBE", idtmed[7], tubpar, 3); | |
415 | gMC->Gspos("QT13", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
416 | // Ch.debug | |
417 | //printf("\n QT13 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
418 | ||
419 | zd1 += tubpar[2] * 2.; | |
420 | ||
421 | tubpar[0] = 0./2.; | |
422 | tubpar[1] = 68.4/2.; | |
423 | tubpar[2] = 0.2/2.; | |
424 | gMC->Gsvolu("QT14", "TUBE", idtmed[8], tubpar, 3); | |
425 | gMC->Gspos("QT14", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
426 | // Ch.debug | |
427 | //printf("\n QT14 TUBE pipe from z = %f to z= %f\n",-zd1,-2*tubpar[2]-zd1); | |
428 | ||
429 | zd1 += tubpar[2] * 2.; | |
430 | ||
431 | tubpar[0] = 0./2.; | |
432 | tubpar[1] = 6.4/2.; | |
433 | tubpar[2] = 0.2/2.; | |
434 | gMC->Gsvolu("QT15", "TUBE", idtmed[11], tubpar, 3); | |
435 | //-- Position QT15 inside QT14 | |
436 | gMC->Gspos("QT15", 1, "QT14", -7.7, 0., 0., 0, "ONLY"); | |
437 | ||
438 | gMC->Gsvolu("QT16", "TUBE", idtmed[11], tubpar, 3); | |
439 | //-- Position QT16 inside QT14 | |
440 | gMC->Gspos("QT16", 1, "QT14", 7.7, 0., 0., 0, "ONLY"); | |
441 | ||
442 | ||
443 | //-- BEAM PIPE BETWEEN END OF CONICAL PIPE AND BEGINNING OF D2 | |
444 | ||
445 | tubpar[0] = 6.4/2.; | |
446 | tubpar[1] = 6.8/2.; | |
447 | tubpar[2] = 680.8/2.; | |
448 | gMC->Gsvolu("QT17", "TUBE", idtmed[7], tubpar, 3); | |
449 | ||
450 | tubpar[0] = 6.4/2.; | |
451 | tubpar[1] = 6.8/2.; | |
452 | tubpar[2] = 680.8/2.; | |
453 | gMC->Gsvolu("QT18", "TUBE", idtmed[7], tubpar, 3); | |
454 | ||
455 | // -- ROTATE PIPES | |
456 | Float_t angle = 0.143*kDegrad; // Rotation angle | |
457 | ||
458 | //AliMatrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0 | |
459 | gMC->Matrix(im1, 90.+0.143, 0., 90., 90., 0.143, 0.); // x<0 | |
460 | gMC->Gspos("QT17", 1, "ZDC ", TMath::Sin(angle) * 680.8/ 2. - 9.4, | |
461 | 0., -tubpar[2]-zd1, im1, "ONLY"); | |
462 | ||
463 | //AliMatrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP) | |
464 | gMC->Matrix(im2, 90.-0.143, 0., 90., 90., 0.143, 180.); // x>0 (ZP) | |
465 | gMC->Gspos("QT18", 1, "ZDC ", 9.7 - TMath::Sin(angle) * 680.8 / 2., | |
466 | 0., -tubpar[2]-zd1, im2, "ONLY"); | |
467 | ||
468 | // -- END OF BEAM PIPE VOLUME DEFINITION. | |
469 | // ---------------------------------------------------------------- | |
470 | ||
471 | // ---------------------------------------------------------------- | |
472 | // -- MAGNET DEFINITION -> LHC OPTICS 6.5 | |
473 | // ---------------------------------------------------------------- | |
474 | // -- COMPENSATOR DIPOLE (MBXW) | |
475 | zc = 1921.6; | |
476 | ||
477 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
478 | tubpar[0] = 0.; | |
479 | tubpar[1] = 4.5; | |
480 | tubpar[2] = 170./2.; | |
481 | gMC->Gsvolu("MBXW", "TUBE", idtmed[11], tubpar, 3); | |
482 | ||
483 | // -- YOKE | |
484 | tubpar[0] = 4.5; | |
485 | tubpar[1] = 55.; | |
486 | tubpar[2] = 170./2.; | |
487 | gMC->Gsvolu("YMBX", "TUBE", idtmed[7], tubpar, 3); | |
488 | ||
489 | gMC->Gspos("MBXW", 1, "ZDC ", 0., 0., -tubpar[2]-zc, 0, "ONLY"); | |
490 | gMC->Gspos("YMBX", 1, "ZDC ", 0., 0., -tubpar[2]-zc, 0, "ONLY"); | |
491 | ||
492 | ||
493 | // -- INNER TRIPLET | |
494 | zq = 2296.5; | |
495 | ||
496 | // -- DEFINE MQXL AND MQX QUADRUPOLE ELEMENT | |
497 | // -- MQXL | |
498 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
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 | ||
505 | // -- YOKE | |
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 | tubpar[0] = 0.; | |
520 | tubpar[1] = 3.5; | |
521 | tubpar[2] = 550./2.; | |
522 | gMC->Gsvolu("MQX ", "TUBE", idtmed[11], tubpar, 3); | |
523 | ||
524 | // -- YOKE | |
525 | tubpar[0] = 3.5; | |
526 | tubpar[1] = 22.; | |
527 | tubpar[2] = 550./2.; | |
528 | gMC->Gsvolu("YMQ ", "TUBE", idtmed[7], tubpar, 3); | |
529 | ||
530 | gMC->Gspos("MQX ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY"); | |
531 | gMC->Gspos("YMQ ", 1, "ZDC ", 0., 0., -tubpar[2]-zq-908.5, 0, "ONLY"); | |
532 | ||
533 | gMC->Gspos("MQX ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY"); | |
534 | gMC->Gspos("YMQ ", 2, "ZDC ", 0., 0., -tubpar[2]-zq-1558.5, 0, "ONLY"); | |
535 | ||
536 | // -- SEPARATOR DIPOLE D1 | |
537 | zd1 = 5838.3; | |
538 | ||
539 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
540 | tubpar[0] = 0.; | |
541 | tubpar[1] = 6.94/2.; | |
542 | tubpar[2] = 945./2.; | |
543 | gMC->Gsvolu("MD1 ", "TUBE", idtmed[11], tubpar, 3); | |
544 | ||
545 | // -- Insert horizontal Cu plates inside D1 | |
546 | // -- (to simulate the vacuum chamber) | |
547 | boxpar[0] = TMath::Sqrt(tubpar[1]*tubpar[1]-(2.98+0.2)*(2.98+0.2)) - 0.05; | |
548 | boxpar[1] = 0.2/2.; | |
549 | boxpar[2] =945./2.; | |
550 | gMC->Gsvolu("MD1V", "BOX ", idtmed[6], boxpar, 3); | |
551 | gMC->Gspos("MD1V", 1, "MD1 ", 0., 2.98+boxpar[1], 0., 0, "ONLY"); | |
552 | gMC->Gspos("MD1V", 2, "MD1 ", 0., -2.98-boxpar[1], 0., 0, "ONLY"); | |
553 | ||
554 | // -- YOKE | |
555 | tubpar[0] = 0.; | |
556 | tubpar[1] = 110./2; | |
557 | tubpar[2] = 945./2.; | |
558 | gMC->Gsvolu("YD1 ", "TUBE", idtmed[7], tubpar, 3); | |
559 | ||
560 | gMC->Gspos("YD1 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd1, 0, "ONLY"); | |
561 | gMC->Gspos("MD1 ", 1, "YD1 ", 0., 0., 0., 0, "ONLY"); | |
562 | ||
563 | // -- DIPOLE D2 | |
564 | // --- LHC optics v6.4 | |
565 | zd2 = 12147.6; | |
566 | ||
567 | // -- GAP (VACUUM WITH MAGNETIC FIELD) | |
568 | tubpar[0] = 0.; | |
569 | tubpar[1] = 7.5/2.; | |
570 | tubpar[2] = 945./2.; | |
571 | gMC->Gsvolu("MD2 ", "TUBE", idtmed[11], tubpar, 3); | |
572 | ||
573 | // -- YOKE | |
574 | tubpar[0] = 0.; | |
575 | tubpar[1] = 55.; | |
576 | tubpar[2] = 945./2.; | |
577 | gMC->Gsvolu("YD2 ", "TUBE", idtmed[7], tubpar, 3); | |
578 | ||
579 | gMC->Gspos("YD2 ", 1, "ZDC ", 0., 0., -tubpar[2]-zd2, 0, "ONLY"); | |
580 | ||
581 | gMC->Gspos("MD2 ", 1, "YD2 ", -9.4, 0., 0., 0, "ONLY"); | |
582 | gMC->Gspos("MD2 ", 2, "YD2 ", 9.4, 0., 0., 0, "ONLY"); | |
583 | ||
584 | // -- END OF MAGNET DEFINITION | |
585 | } | |
586 | ||
587 | //_____________________________________________________________________________ | |
588 | void AliZDCv2::CreateZDC() | |
589 | { | |
590 | // | |
591 | // Create the various ZDCs (ZN + ZP) | |
592 | // | |
593 | ||
594 | Float_t dimPb[6], dimVoid[6]; | |
595 | ||
596 | Int_t *idtmed = fIdtmed->GetArray(); | |
597 | ||
598 | // Parameters for hadronic calorimeters geometry | |
599 | // NB -> parameters used ONLY in CreateZDC() | |
600 | Float_t fGrvZN[3] = {0.03, 0.03, 50.}; // Grooves for neutron detector | |
601 | Float_t fGrvZP[3] = {0.04, 0.04, 75.}; // Grooves for proton detector | |
602 | Int_t fDivZN[3] = {11, 11, 0}; // Division for neutron detector | |
603 | Int_t fDivZP[3] = {7, 15, 0}; // Division for proton detector | |
604 | Int_t fTowZN[2] = {2, 2}; // Tower for neutron detector | |
605 | Int_t fTowZP[2] = {4, 1}; // Tower for proton detector | |
606 | ||
607 | // Parameters for EM calorimeter geometry | |
608 | // NB -> parameters used ONLY in CreateZDC() | |
609 | Float_t kDimZEMPb = 0.15*(TMath::Sqrt(2.)); // z-dimension of the Pb slice | |
610 | Float_t kFibRadZEM = 0.0315; // External fiber radius (including cladding) | |
611 | Int_t fDivZEM[3] = {92, 0, 20}; // Divisions for EM detector | |
612 | Float_t fDimZEM[6] = {fZEMLength, 3.5, 3.5, 45., 0., 0.}; // Dimensions of EM detector | |
613 | Float_t fFibZEM2 = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-kFibRadZEM; | |
614 | Float_t fFibZEM[3] = {0., 0.0275, fFibZEM2}; // Fibers for EM calorimeter | |
615 | ||
616 | ||
617 | //-- Create calorimeters geometry | |
618 | ||
619 | // ------------------------------------------------------------------------------- | |
620 | //--> Neutron calorimeter (ZN) | |
621 | ||
622 | gMC->Gsvolu("ZNEU", "BOX ", idtmed[1], fDimZN, 3); // Passive material | |
623 | gMC->Gsvolu("ZNF1", "TUBE", idtmed[3], fFibZN, 3); // Active material | |
624 | gMC->Gsvolu("ZNF2", "TUBE", idtmed[4], fFibZN, 3); | |
625 | gMC->Gsvolu("ZNF3", "TUBE", idtmed[4], fFibZN, 3); | |
626 | gMC->Gsvolu("ZNF4", "TUBE", idtmed[3], fFibZN, 3); | |
627 | gMC->Gsvolu("ZNG1", "BOX ", idtmed[12], fGrvZN, 3); // Empty grooves | |
628 | gMC->Gsvolu("ZNG2", "BOX ", idtmed[12], fGrvZN, 3); | |
629 | gMC->Gsvolu("ZNG3", "BOX ", idtmed[12], fGrvZN, 3); | |
630 | gMC->Gsvolu("ZNG4", "BOX ", idtmed[12], fGrvZN, 3); | |
631 | ||
632 | // Divide ZNEU in towers (for hits purposes) | |
633 | ||
634 | gMC->Gsdvn("ZNTX", "ZNEU", fTowZN[0], 1); // x-tower | |
635 | gMC->Gsdvn("ZN1 ", "ZNTX", fTowZN[1], 2); // y-tower | |
636 | ||
637 | //-- Divide ZN1 in minitowers | |
638 | // fDivZN[0]= NUMBER OF FIBERS PER TOWER ALONG X-AXIS, | |
639 | // fDivZN[1]= NUMBER OF FIBERS PER TOWER ALONG Y-AXIS | |
640 | // (4 fibres per minitower) | |
641 | ||
642 | gMC->Gsdvn("ZNSL", "ZN1 ", fDivZN[1], 2); // Slices | |
643 | gMC->Gsdvn("ZNST", "ZNSL", fDivZN[0], 1); // Sticks | |
644 | ||
645 | // --- Position the empty grooves in the sticks (4 grooves per stick) | |
646 | Float_t dx = fDimZN[0] / fDivZN[0] / 4.; | |
647 | Float_t dy = fDimZN[1] / fDivZN[1] / 4.; | |
648 | ||
649 | gMC->Gspos("ZNG1", 1, "ZNST", 0.-dx, 0.+dy, 0., 0, "ONLY"); | |
650 | gMC->Gspos("ZNG2", 1, "ZNST", 0.+dx, 0.+dy, 0., 0, "ONLY"); | |
651 | gMC->Gspos("ZNG3", 1, "ZNST", 0.-dx, 0.-dy, 0., 0, "ONLY"); | |
652 | gMC->Gspos("ZNG4", 1, "ZNST", 0.+dx, 0.-dy, 0., 0, "ONLY"); | |
653 | ||
654 | // --- Position the fibers in the grooves | |
655 | gMC->Gspos("ZNF1", 1, "ZNG1", 0., 0., 0., 0, "ONLY"); | |
656 | gMC->Gspos("ZNF2", 1, "ZNG2", 0., 0., 0., 0, "ONLY"); | |
657 | gMC->Gspos("ZNF3", 1, "ZNG3", 0., 0., 0., 0, "ONLY"); | |
658 | gMC->Gspos("ZNF4", 1, "ZNG4", 0., 0., 0., 0, "ONLY"); | |
659 | ||
660 | // --- Position the neutron calorimeter in ZDC | |
661 | // -- Rotation of ZDCs | |
662 | Int_t irotzdc; | |
663 | gMC->Matrix(irotzdc, 90., 180., 90., 90., 180., 0.); | |
664 | // | |
665 | gMC->Gspos("ZNEU", 1, "ZDC ", fPosZN[0], fPosZN[1], fPosZN[2]-fDimZN[2], irotzdc, "ONLY"); | |
666 | //Ch debug | |
667 | //printf("\n ZN -> %f < z < %f cm\n",fPosZN[2],fPosZN[2]-2*fDimZN[2]); | |
668 | ||
669 | // ------------------------------------------------------------------------------- | |
670 | //--> Proton calorimeter (ZP) | |
671 | ||
672 | gMC->Gsvolu("ZPRO", "BOX ", idtmed[2], fDimZP, 3); // Passive material | |
673 | gMC->Gsvolu("ZPF1", "TUBE", idtmed[3], fFibZP, 3); // Active material | |
674 | gMC->Gsvolu("ZPF2", "TUBE", idtmed[4], fFibZP, 3); | |
675 | gMC->Gsvolu("ZPF3", "TUBE", idtmed[4], fFibZP, 3); | |
676 | gMC->Gsvolu("ZPF4", "TUBE", idtmed[3], fFibZP, 3); | |
677 | gMC->Gsvolu("ZPG1", "BOX ", idtmed[12], fGrvZP, 3); // Empty grooves | |
678 | gMC->Gsvolu("ZPG2", "BOX ", idtmed[12], fGrvZP, 3); | |
679 | gMC->Gsvolu("ZPG3", "BOX ", idtmed[12], fGrvZP, 3); | |
680 | gMC->Gsvolu("ZPG4", "BOX ", idtmed[12], fGrvZP, 3); | |
681 | ||
682 | //-- Divide ZPRO in towers(for hits purposes) | |
683 | ||
684 | gMC->Gsdvn("ZPTX", "ZPRO", fTowZP[0], 1); // x-tower | |
685 | gMC->Gsdvn("ZP1 ", "ZPTX", fTowZP[1], 2); // y-tower | |
686 | ||
687 | ||
688 | //-- Divide ZP1 in minitowers | |
689 | // fDivZP[0]= NUMBER OF FIBERS ALONG X-AXIS PER MINITOWER, | |
690 | // fDivZP[1]= NUMBER OF FIBERS ALONG Y-AXIS PER MINITOWER | |
691 | // (4 fiber per minitower) | |
692 | ||
693 | gMC->Gsdvn("ZPSL", "ZP1 ", fDivZP[1], 2); // Slices | |
694 | gMC->Gsdvn("ZPST", "ZPSL", fDivZP[0], 1); // Sticks | |
695 | ||
696 | // --- Position the empty grooves in the sticks (4 grooves per stick) | |
697 | dx = fDimZP[0] / fTowZP[0] / fDivZP[0] / 2.; | |
698 | dy = fDimZP[1] / fTowZP[1] / fDivZP[1] / 2.; | |
699 | ||
700 | gMC->Gspos("ZPG1", 1, "ZPST", 0.-dx, 0.+dy, 0., 0, "ONLY"); | |
701 | gMC->Gspos("ZPG2", 1, "ZPST", 0.+dx, 0.+dy, 0., 0, "ONLY"); | |
702 | gMC->Gspos("ZPG3", 1, "ZPST", 0.-dx, 0.-dy, 0., 0, "ONLY"); | |
703 | gMC->Gspos("ZPG4", 1, "ZPST", 0.+dx, 0.-dy, 0., 0, "ONLY"); | |
704 | ||
705 | // --- Position the fibers in the grooves | |
706 | gMC->Gspos("ZPF1", 1, "ZPG1", 0., 0., 0., 0, "ONLY"); | |
707 | gMC->Gspos("ZPF2", 1, "ZPG2", 0., 0., 0., 0, "ONLY"); | |
708 | gMC->Gspos("ZPF3", 1, "ZPG3", 0., 0., 0., 0, "ONLY"); | |
709 | gMC->Gspos("ZPF4", 1, "ZPG4", 0., 0., 0., 0, "ONLY"); | |
710 | ||
711 | ||
712 | // --- Position the proton calorimeter in ZDC | |
713 | gMC->Gspos("ZPRO", 1, "ZDC ", fPosZP[0], fPosZP[1], fPosZP[2]-fDimZP[2], irotzdc, "ONLY"); | |
714 | //Ch debug | |
715 | //printf("\n ZP -> %f < z < %f cm\n",fPosZP[2],fPosZP[2]-2*fDimZP[2]); | |
716 | ||
717 | ||
718 | // ------------------------------------------------------------------------------- | |
719 | // -> EM calorimeter (ZEM) | |
720 | ||
721 | gMC->Gsvolu("ZEM ", "PARA", idtmed[10], fDimZEM, 6); | |
722 | ||
723 | Int_t irot1, irot2; | |
724 | gMC->Matrix(irot1,0.,0.,90.,90.,-90.,0.); // Rotation matrix 1 | |
725 | gMC->Matrix(irot2,180.,0.,90.,fDimZEM[3]+90.,90.,fDimZEM[3]);// Rotation matrix 2 | |
726 | //printf("irot1 = %d, irot2 = %d \n", irot1, irot2); | |
727 | ||
728 | gMC->Gsvolu("ZEMF", "TUBE", idtmed[3], fFibZEM, 3); // Active material | |
729 | ||
730 | gMC->Gsdvn("ZETR", "ZEM ", fDivZEM[2], 1); // Tranches | |
731 | ||
732 | dimPb[0] = kDimZEMPb; // Lead slices | |
733 | dimPb[1] = fDimZEM[2]; | |
734 | dimPb[2] = fDimZEM[1]; | |
735 | //dimPb[3] = fDimZEM[3]; //controllare | |
736 | dimPb[3] = 90.-fDimZEM[3]; //originale | |
737 | dimPb[4] = 0.; | |
738 | dimPb[5] = 0.; | |
739 | gMC->Gsvolu("ZEL0", "PARA", idtmed[5], dimPb, 6); | |
740 | gMC->Gsvolu("ZEL1", "PARA", idtmed[5], dimPb, 6); | |
741 | gMC->Gsvolu("ZEL2", "PARA", idtmed[5], dimPb, 6); | |
742 | ||
743 | // --- Position the lead slices in the tranche | |
744 | Float_t zTran = fDimZEM[0]/fDivZEM[2]; | |
745 | Float_t zTrPb = -zTran+kDimZEMPb; | |
746 | gMC->Gspos("ZEL0", 1, "ZETR", zTrPb, 0., 0., 0, "ONLY"); | |
747 | gMC->Gspos("ZEL1", 1, "ZETR", kDimZEMPb, 0., 0., 0, "ONLY"); | |
748 | ||
749 | // --- Vacuum zone (to be filled with fibres) | |
750 | dimVoid[0] = (zTran-2*kDimZEMPb)/2.; | |
751 | dimVoid[1] = fDimZEM[2]; | |
752 | dimVoid[2] = fDimZEM[1]; | |
753 | dimVoid[3] = 90.-fDimZEM[3]; | |
754 | dimVoid[4] = 0.; | |
755 | dimVoid[5] = 0.; | |
756 | gMC->Gsvolu("ZEV0", "PARA", idtmed[10], dimVoid,6); | |
757 | gMC->Gsvolu("ZEV1", "PARA", idtmed[10], dimVoid,6); | |
758 | ||
759 | // --- Divide the vacuum slice into sticks along x axis | |
760 | gMC->Gsdvn("ZES0", "ZEV0", fDivZEM[0], 3); | |
761 | gMC->Gsdvn("ZES1", "ZEV1", fDivZEM[0], 3); | |
762 | ||
763 | // --- Positioning the fibers into the sticks | |
764 | gMC->Gspos("ZEMF", 1,"ZES0", 0., 0., 0., irot2, "ONLY"); | |
765 | gMC->Gspos("ZEMF", 1,"ZES1", 0., 0., 0., irot2, "ONLY"); | |
766 | ||
767 | // --- Positioning the vacuum slice into the tranche | |
768 | Float_t displFib = fDimZEM[1]/fDivZEM[0]; | |
769 | gMC->Gspos("ZEV0", 1,"ZETR", -dimVoid[0], 0., 0., 0, "ONLY"); | |
770 | gMC->Gspos("ZEV1", 1,"ZETR", -dimVoid[0]+zTran, 0., displFib, 0, "ONLY"); | |
771 | ||
772 | // --- Positioning the ZEM into the ZDC - rotation for 90 degrees | |
773 | // NB -> In AliZDCv2 ZEM is positioned in ALIC (instead of in ZDC) volume | |
774 | // beacause it's impossible to make a ZDC pcon volume to contain | |
775 | // both hadronics and EM calorimeters. | |
776 | gMC->Gspos("ZEM ", 1,"ALIC", -fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY"); | |
777 | ||
778 | // Second EM ZDC (same side w.r.t. IP, just on the other side w.r.t. beam pipe) | |
779 | gMC->Gspos("ZEM ", 2,"ALIC", fPosZEM[0], fPosZEM[1], fPosZEM[2]+fDimZEM[0], irot1, "ONLY"); | |
780 | ||
781 | // --- Adding last slice at the end of the EM calorimeter | |
782 | Float_t zLastSlice = fPosZEM[2]+kDimZEMPb+2*fDimZEM[0]; | |
783 | gMC->Gspos("ZEL2", 1,"ALIC", fPosZEM[0], fPosZEM[1], zLastSlice, irot1, "ONLY"); | |
784 | //Ch debug | |
785 | //printf("\n ZEM lenght = %f cm\n",2*fZEMLength); | |
786 | //printf("\n ZEM -> %f < z < %f cm\n",fPosZEM[2],fPosZEM[2]+2*fZEMLength+zLastSlice+kDimZEMPb); | |
787 | ||
788 | } | |
789 | ||
790 | //_____________________________________________________________________________ | |
791 | void AliZDCv2::DrawModule() const | |
792 | { | |
793 | // | |
794 | // Draw a shaded view of the Zero Degree Calorimeter version 1 | |
795 | // | |
796 | ||
797 | // Set everything unseen | |
798 | gMC->Gsatt("*", "seen", -1); | |
799 | // | |
800 | // Set ALIC mother transparent | |
801 | gMC->Gsatt("ALIC","SEEN",0); | |
802 | // | |
803 | // Set the volumes visible | |
804 | gMC->Gsatt("ZDC ","SEEN",0); | |
805 | gMC->Gsatt("QT01","SEEN",1); | |
806 | gMC->Gsatt("QT02","SEEN",1); | |
807 | gMC->Gsatt("QT03","SEEN",1); | |
808 | gMC->Gsatt("QT04","SEEN",1); | |
809 | gMC->Gsatt("QT05","SEEN",1); | |
810 | gMC->Gsatt("QT06","SEEN",1); | |
811 | gMC->Gsatt("QT07","SEEN",1); | |
812 | gMC->Gsatt("QT08","SEEN",1); | |
813 | gMC->Gsatt("QT09","SEEN",1); | |
814 | gMC->Gsatt("QT10","SEEN",1); | |
815 | gMC->Gsatt("QT11","SEEN",1); | |
816 | gMC->Gsatt("QT12","SEEN",1); | |
817 | gMC->Gsatt("QT13","SEEN",1); | |
818 | gMC->Gsatt("QT14","SEEN",1); | |
819 | gMC->Gsatt("QT15","SEEN",1); | |
820 | gMC->Gsatt("QT16","SEEN",1); | |
821 | gMC->Gsatt("QT17","SEEN",1); | |
822 | gMC->Gsatt("QT18","SEEN",1); | |
823 | gMC->Gsatt("QC01","SEEN",1); | |
824 | gMC->Gsatt("QC02","SEEN",1); | |
825 | gMC->Gsatt("QC03","SEEN",1); | |
826 | gMC->Gsatt("QC04","SEEN",1); | |
827 | gMC->Gsatt("QC05","SEEN",1); | |
828 | gMC->Gsatt("QTD1","SEEN",1); | |
829 | gMC->Gsatt("QTD2","SEEN",1); | |
830 | gMC->Gsatt("QTD3","SEEN",1); | |
831 | gMC->Gsatt("MQXL","SEEN",1); | |
832 | gMC->Gsatt("YMQL","SEEN",1); | |
833 | gMC->Gsatt("MQX ","SEEN",1); | |
834 | gMC->Gsatt("YMQ ","SEEN",1); | |
835 | gMC->Gsatt("ZQYX","SEEN",1); | |
836 | gMC->Gsatt("MD1 ","SEEN",1); | |
837 | gMC->Gsatt("MD1V","SEEN",1); | |
838 | gMC->Gsatt("YD1 ","SEEN",1); | |
839 | gMC->Gsatt("MD2 ","SEEN",1); | |
840 | gMC->Gsatt("YD2 ","SEEN",1); | |
841 | gMC->Gsatt("ZNEU","SEEN",0); | |
842 | gMC->Gsatt("ZNF1","SEEN",0); | |
843 | gMC->Gsatt("ZNF2","SEEN",0); | |
844 | gMC->Gsatt("ZNF3","SEEN",0); | |
845 | gMC->Gsatt("ZNF4","SEEN",0); | |
846 | gMC->Gsatt("ZNG1","SEEN",0); | |
847 | gMC->Gsatt("ZNG2","SEEN",0); | |
848 | gMC->Gsatt("ZNG3","SEEN",0); | |
849 | gMC->Gsatt("ZNG4","SEEN",0); | |
850 | gMC->Gsatt("ZNTX","SEEN",0); | |
851 | gMC->Gsatt("ZN1 ","COLO",4); | |
852 | gMC->Gsatt("ZN1 ","SEEN",1); | |
853 | gMC->Gsatt("ZNSL","SEEN",0); | |
854 | gMC->Gsatt("ZNST","SEEN",0); | |
855 | gMC->Gsatt("ZPRO","SEEN",0); | |
856 | gMC->Gsatt("ZPF1","SEEN",0); | |
857 | gMC->Gsatt("ZPF2","SEEN",0); | |
858 | gMC->Gsatt("ZPF3","SEEN",0); | |
859 | gMC->Gsatt("ZPF4","SEEN",0); | |
860 | gMC->Gsatt("ZPG1","SEEN",0); | |
861 | gMC->Gsatt("ZPG2","SEEN",0); | |
862 | gMC->Gsatt("ZPG3","SEEN",0); | |
863 | gMC->Gsatt("ZPG4","SEEN",0); | |
864 | gMC->Gsatt("ZPTX","SEEN",0); | |
865 | gMC->Gsatt("ZP1 ","COLO",6); | |
866 | gMC->Gsatt("ZP1 ","SEEN",1); | |
867 | gMC->Gsatt("ZPSL","SEEN",0); | |
868 | gMC->Gsatt("ZPST","SEEN",0); | |
869 | gMC->Gsatt("ZEM ","COLO",7); | |
870 | gMC->Gsatt("ZEM ","SEEN",1); | |
871 | gMC->Gsatt("ZEMF","SEEN",0); | |
872 | gMC->Gsatt("ZETR","SEEN",0); | |
873 | gMC->Gsatt("ZEL0","SEEN",0); | |
874 | gMC->Gsatt("ZEL1","SEEN",0); | |
875 | gMC->Gsatt("ZEL2","SEEN",0); | |
876 | gMC->Gsatt("ZEV0","SEEN",0); | |
877 | gMC->Gsatt("ZEV1","SEEN",0); | |
878 | gMC->Gsatt("ZES0","SEEN",0); | |
879 | gMC->Gsatt("ZES1","SEEN",0); | |
880 | ||
881 | // | |
882 | gMC->Gdopt("hide", "on"); | |
883 | gMC->Gdopt("shad", "on"); | |
884 | gMC->Gsatt("*", "fill", 7); | |
885 | gMC->SetClipBox("."); | |
886 | gMC->SetClipBox("*", 0, 100, -100, 100, 12000, 16000); | |
887 | gMC->DefaultRange(); | |
888 | gMC->Gdraw("alic", 40, 30, 0, 488, 220, .07, .07); | |
889 | gMC->Gdhead(1111, "Zero Degree Calorimeter Version 1"); | |
890 | gMC->Gdman(18, 4, "MAN"); | |
891 | } | |
892 | ||
893 | //_____________________________________________________________________________ | |
894 | void AliZDCv2::CreateMaterials() | |
895 | { | |
896 | // | |
897 | // Create Materials for the Zero Degree Calorimeter | |
898 | // | |
899 | ||
900 | Int_t *idtmed = fIdtmed->GetArray(); | |
901 | ||
902 | Float_t dens, ubuf[1], wmat[2], a[2], z[2]; | |
903 | Int_t i; | |
904 | ||
905 | // --- Store in UBUF r0 for nuclear radius calculation R=r0*A**1/3 | |
906 | ||
907 | // --- Tantalum -> ZN passive material | |
908 | ubuf[0] = 1.1; | |
909 | AliMaterial(1, "TANT", 180.95, 73., 16.65, .4, 11.9, ubuf, 1); | |
910 | ||
911 | // --- Tungsten | |
912 | // ubuf[0] = 1.11; | |
913 | // AliMaterial(1, "TUNG", 183.85, 74., 19.3, .35, 10.3, ubuf, 1); | |
914 | ||
915 | // --- Brass (CuZn) -> ZP passive material | |
916 | dens = 8.48; | |
917 | a[0] = 63.546; | |
918 | a[1] = 65.39; | |
919 | z[0] = 29.; | |
920 | z[1] = 30.; | |
921 | wmat[0] = .63; | |
922 | wmat[1] = .37; | |
923 | AliMixture(2, "BRASS ", a, z, dens, 2, wmat); | |
924 | ||
925 | // --- SiO2 | |
926 | dens = 2.64; | |
927 | a[0] = 28.086; | |
928 | a[1] = 15.9994; | |
929 | z[0] = 14.; | |
930 | z[1] = 8.; | |
931 | wmat[0] = 1.; | |
932 | wmat[1] = 2.; | |
933 | AliMixture(3, "SIO2 ", a, z, dens, -2, wmat); | |
934 | ||
935 | // --- Lead | |
936 | ubuf[0] = 1.12; | |
937 | AliMaterial(5, "LEAD", 207.19, 82., 11.35, .56, 18.5, ubuf, 1); | |
938 | ||
939 | // --- Copper | |
940 | ubuf[0] = 1.10; | |
941 | AliMaterial(6, "COPP", 63.54, 29., 8.96, 1.4, 0., ubuf, 1); | |
942 | ||
943 | // --- Iron (energy loss taken into account) | |
944 | ubuf[0] = 1.1; | |
945 | AliMaterial(7, "IRON0", 55.85, 26., 7.87, 1.76, 0., ubuf, 1); | |
946 | ||
947 | // --- Iron (no energy loss) | |
948 | ubuf[0] = 1.1; | |
949 | AliMaterial(8, "IRON1", 55.85, 26., 7.87, 1.76, 0., ubuf, 1); | |
950 | ||
951 | // --------------------------------------------------------- | |
952 | Float_t aResGas[3]={1.008,12.0107,15.9994}; | |
953 | Float_t zResGas[3]={1.,6.,8.}; | |
954 | Float_t wResGas[3]={0.28,0.28,0.44}; | |
955 | Float_t dResGas = 3.2E-14; | |
956 | ||
957 | // --- Vacuum (no magnetic field) | |
958 | AliMixture(10, "VOID", aResGas, zResGas, dResGas, 3, wResGas); | |
959 | //AliMaterial(10, "VOID", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); | |
960 | ||
961 | // --- Vacuum (with magnetic field) | |
962 | AliMixture(11, "VOIM", aResGas, zResGas, dResGas, 3, wResGas); | |
963 | //AliMaterial(11, "VOIM", 1e-16, 1e-16, 1e-16, 1e16, 1e16, ubuf,0); | |
964 | ||
965 | // --- Air (no magnetic field) | |
966 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
967 | Float_t zAir[4]={6.,7.,8.,18.}; | |
968 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
969 | Float_t dAir = 1.20479E-3; | |
970 | // | |
971 | AliMixture(12, "Air $", aAir, zAir, dAir, 4, wAir); | |
972 | //AliMaterial(12, "Air $", 14.61, 7.3, .001205, 30420., 67500., ubuf, 0); | |
973 | ||
974 | // --- Definition of tracking media: | |
975 | ||
976 | // --- Tantalum = 1 ; | |
977 | // --- Brass = 2 ; | |
978 | // --- Fibers (SiO2) = 3 ; | |
979 | // --- Fibers (SiO2) = 4 ; | |
980 | // --- Lead = 5 ; | |
981 | // --- Copper = 6 ; | |
982 | // --- Iron (with energy loss) = 7 ; | |
983 | // --- Iron (without energy loss) = 8 ; | |
984 | // --- Vacuum (no field) = 10 | |
985 | // --- Vacuum (with field) = 11 | |
986 | // --- Air (no field) = 12 | |
987 | ||
988 | // **************************************************** | |
989 | // Tracking media parameters | |
990 | // | |
991 | Float_t epsil = 0.01; // Tracking precision, | |
992 | Float_t stmin = 0.01; // Min. value 4 max. step (cm) | |
993 | Float_t stemax = 1.; // Max. step permitted (cm) | |
994 | Float_t tmaxfd = 0.; // Maximum angle due to field (degrees) | |
995 | Float_t deemax = -1.; // Maximum fractional energy loss | |
996 | Float_t nofieldm = 0.; // Max. field value (no field) | |
997 | Float_t fieldm = 45.; // Max. field value (with field) | |
998 | Int_t isvol = 0; // ISVOL =0 -> not sensitive volume | |
999 | Int_t isvolActive = 1; // ISVOL =1 -> sensitive volume | |
1000 | Int_t inofld = 0; // IFIELD=0 -> no magnetic field | |
1001 | Int_t ifield =2; // IFIELD=2 -> magnetic field defined in AliMagFC.h | |
1002 | // ***************************************************** | |
1003 | ||
1004 | AliMedium(1, "ZTANT", 1, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1005 | AliMedium(2, "ZBRASS",2, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1006 | AliMedium(3, "ZSIO2", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1007 | AliMedium(4, "ZQUAR", 3, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1008 | AliMedium(5, "ZLEAD", 5, isvolActive, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1009 | AliMedium(6, "ZCOPP", 6, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1010 | AliMedium(7, "ZIRON", 7, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1011 | AliMedium(8, "ZIRONN",8, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1012 | AliMedium(10,"ZVOID",10, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1013 | AliMedium(12,"ZAIR", 12, isvol, inofld, nofieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1014 | // | |
1015 | AliMedium(11,"ZVOIM",11, isvol, ifield, fieldm, tmaxfd, stemax, deemax, epsil, stmin); | |
1016 | ||
1017 | // Thresholds for showering in the ZDCs | |
1018 | i = 1; //tantalum | |
1019 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); | |
1020 | gMC->Gstpar(idtmed[i], "CUTELE", .001); | |
1021 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); | |
1022 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); | |
1023 | i = 2; //brass | |
1024 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); | |
1025 | gMC->Gstpar(idtmed[i], "CUTELE", .001); | |
1026 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); | |
1027 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); | |
1028 | i = 5; //lead | |
1029 | gMC->Gstpar(idtmed[i], "CUTGAM", .001); | |
1030 | gMC->Gstpar(idtmed[i], "CUTELE", .001); | |
1031 | gMC->Gstpar(idtmed[i], "CUTNEU", .01); | |
1032 | gMC->Gstpar(idtmed[i], "CUTHAD", .01); | |
1033 | ||
1034 | // Avoid too detailed showering in TDI | |
1035 | i = 6; //copper | |
1036 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); | |
1037 | gMC->Gstpar(idtmed[i], "CUTELE", .1); | |
1038 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); | |
1039 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); | |
1040 | ||
1041 | // Avoid too detailed showering along the beam line | |
1042 | i = 7; //iron with energy loss (ZIRON) | |
1043 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); | |
1044 | gMC->Gstpar(idtmed[i], "CUTELE", .1); | |
1045 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); | |
1046 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); | |
1047 | ||
1048 | // Avoid too detailed showering along the beam line | |
1049 | i = 8; //iron with energy loss (ZIRONN) | |
1050 | gMC->Gstpar(idtmed[i], "CUTGAM", .1); | |
1051 | gMC->Gstpar(idtmed[i], "CUTELE", .1); | |
1052 | gMC->Gstpar(idtmed[i], "CUTNEU", 1.); | |
1053 | gMC->Gstpar(idtmed[i], "CUTHAD", 1.); | |
1054 | ||
1055 | // Avoid interaction in fibers (only energy loss allowed) | |
1056 | i = 3; //fibers (ZSI02) | |
1057 | gMC->Gstpar(idtmed[i], "DCAY", 0.); | |
1058 | gMC->Gstpar(idtmed[i], "MULS", 0.); | |
1059 | gMC->Gstpar(idtmed[i], "PFIS", 0.); | |
1060 | gMC->Gstpar(idtmed[i], "MUNU", 0.); | |
1061 | gMC->Gstpar(idtmed[i], "LOSS", 1.); | |
1062 | gMC->Gstpar(idtmed[i], "PHOT", 0.); | |
1063 | gMC->Gstpar(idtmed[i], "COMP", 0.); | |
1064 | gMC->Gstpar(idtmed[i], "PAIR", 0.); | |
1065 | gMC->Gstpar(idtmed[i], "BREM", 0.); | |
1066 | gMC->Gstpar(idtmed[i], "DRAY", 0.); | |
1067 | gMC->Gstpar(idtmed[i], "ANNI", 0.); | |
1068 | gMC->Gstpar(idtmed[i], "HADR", 0.); | |
1069 | i = 4; //fibers (ZQUAR) | |
1070 | gMC->Gstpar(idtmed[i], "DCAY", 0.); | |
1071 | gMC->Gstpar(idtmed[i], "MULS", 0.); | |
1072 | gMC->Gstpar(idtmed[i], "PFIS", 0.); | |
1073 | gMC->Gstpar(idtmed[i], "MUNU", 0.); | |
1074 | gMC->Gstpar(idtmed[i], "LOSS", 1.); | |
1075 | gMC->Gstpar(idtmed[i], "PHOT", 0.); | |
1076 | gMC->Gstpar(idtmed[i], "COMP", 0.); | |
1077 | gMC->Gstpar(idtmed[i], "PAIR", 0.); | |
1078 | gMC->Gstpar(idtmed[i], "BREM", 0.); | |
1079 | gMC->Gstpar(idtmed[i], "DRAY", 0.); | |
1080 | gMC->Gstpar(idtmed[i], "ANNI", 0.); | |
1081 | gMC->Gstpar(idtmed[i], "HADR", 0.); | |
1082 | ||
1083 | // Avoid interaction in void | |
1084 | i = 11; //void with field | |
1085 | gMC->Gstpar(idtmed[i], "DCAY", 0.); | |
1086 | gMC->Gstpar(idtmed[i], "MULS", 0.); | |
1087 | gMC->Gstpar(idtmed[i], "PFIS", 0.); | |
1088 | gMC->Gstpar(idtmed[i], "MUNU", 0.); | |
1089 | gMC->Gstpar(idtmed[i], "LOSS", 0.); | |
1090 | gMC->Gstpar(idtmed[i], "PHOT", 0.); | |
1091 | gMC->Gstpar(idtmed[i], "COMP", 0.); | |
1092 | gMC->Gstpar(idtmed[i], "PAIR", 0.); | |
1093 | gMC->Gstpar(idtmed[i], "BREM", 0.); | |
1094 | gMC->Gstpar(idtmed[i], "DRAY", 0.); | |
1095 | gMC->Gstpar(idtmed[i], "ANNI", 0.); | |
1096 | gMC->Gstpar(idtmed[i], "HADR", 0.); | |
1097 | ||
1098 | // | |
1099 | fMedSensZN = idtmed[1]; // Sensitive volume: ZN passive material | |
1100 | fMedSensZP = idtmed[2]; // Sensitive volume: ZP passive material | |
1101 | fMedSensF1 = idtmed[3]; // Sensitive volume: fibres type 1 | |
1102 | fMedSensF2 = idtmed[4]; // Sensitive volume: fibres type 2 | |
1103 | fMedSensZEM = idtmed[5]; // Sensitive volume: ZEM passive material | |
1104 | fMedSensTDI = idtmed[6]; // Sensitive volume: TDI Cu shield | |
1105 | fMedSensPI = idtmed[7]; // Sensitive volume: beam pipes | |
1106 | fMedSensGR = idtmed[12]; // Sensitive volume: air into the grooves | |
1107 | } | |
1108 | ||
1109 | //_____________________________________________________________________________ | |
1110 | void AliZDCv2::Init() | |
1111 | { | |
1112 | InitTables(); | |
1113 | } | |
1114 | ||
1115 | //_____________________________________________________________________________ | |
1116 | void AliZDCv2::InitTables() | |
1117 | { | |
1118 | // | |
1119 | // Read light tables for Cerenkov light production parameterization | |
1120 | // | |
1121 | ||
1122 | Int_t k, j; | |
1123 | ||
1124 | char *lightfName1,*lightfName2,*lightfName3,*lightfName4, | |
1125 | *lightfName5,*lightfName6,*lightfName7,*lightfName8; | |
1126 | FILE *fp1, *fp2, *fp3, *fp4, *fp5, *fp6, *fp7, *fp8; | |
1127 | ||
1128 | // --- Reading light tables for ZN | |
1129 | lightfName1 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362207s"); | |
1130 | if((fp1 = fopen(lightfName1,"r")) == NULL){ | |
1131 | printf("Cannot open file fp1 \n"); | |
1132 | return; | |
1133 | } | |
1134 | lightfName2 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362208s"); | |
1135 | if((fp2 = fopen(lightfName2,"r")) == NULL){ | |
1136 | printf("Cannot open file fp2 \n"); | |
1137 | return; | |
1138 | } | |
1139 | lightfName3 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362209s"); | |
1140 | if((fp3 = fopen(lightfName3,"r")) == NULL){ | |
1141 | printf("Cannot open file fp3 \n"); | |
1142 | return; | |
1143 | } | |
1144 | lightfName4 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620362210s"); | |
1145 | if((fp4 = fopen(lightfName4,"r")) == NULL){ | |
1146 | printf("Cannot open file fp4 \n"); | |
1147 | return; | |
1148 | } | |
1149 | ||
1150 | for(k=0; k<fNalfan; k++){ | |
1151 | for(j=0; j<fNben; j++){ | |
1152 | fscanf(fp1,"%f",&fTablen[0][k][j]); | |
1153 | fscanf(fp2,"%f",&fTablen[1][k][j]); | |
1154 | fscanf(fp3,"%f",&fTablen[2][k][j]); | |
1155 | fscanf(fp4,"%f",&fTablen[3][k][j]); | |
1156 | } | |
1157 | } | |
1158 | fclose(fp1); | |
1159 | fclose(fp2); | |
1160 | fclose(fp3); | |
1161 | fclose(fp4); | |
1162 | ||
1163 | // --- Reading light tables for ZP and ZEM | |
1164 | lightfName5 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552207s"); | |
1165 | if((fp5 = fopen(lightfName5,"r")) == NULL){ | |
1166 | printf("Cannot open file fp5 \n"); | |
1167 | return; | |
1168 | } | |
1169 | lightfName6 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552208s"); | |
1170 | if((fp6 = fopen(lightfName6,"r")) == NULL){ | |
1171 | printf("Cannot open file fp6 \n"); | |
1172 | return; | |
1173 | } | |
1174 | lightfName7 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552209s"); | |
1175 | if((fp7 = fopen(lightfName7,"r")) == NULL){ | |
1176 | printf("Cannot open file fp7 \n"); | |
1177 | return; | |
1178 | } | |
1179 | lightfName8 = gSystem->ExpandPathName("$ALICE/$ALICE_LEVEL/ZDC/light22620552210s"); | |
1180 | if((fp8 = fopen(lightfName8,"r")) == NULL){ | |
1181 | printf("Cannot open file fp8 \n"); | |
1182 | return; | |
1183 | } | |
1184 | ||
1185 | for(k=0; k<fNalfap; k++){ | |
1186 | for(j=0; j<fNbep; j++){ | |
1187 | fscanf(fp5,"%f",&fTablep[0][k][j]); | |
1188 | fscanf(fp6,"%f",&fTablep[1][k][j]); | |
1189 | fscanf(fp7,"%f",&fTablep[2][k][j]); | |
1190 | fscanf(fp8,"%f",&fTablep[3][k][j]); | |
1191 | } | |
1192 | } | |
1193 | fclose(fp5); | |
1194 | fclose(fp6); | |
1195 | fclose(fp7); | |
1196 | fclose(fp8); | |
1197 | } | |
1198 | //_____________________________________________________________________________ | |
1199 | void AliZDCv2::StepManager() | |
1200 | { | |
1201 | // | |
1202 | // Routine called at every step in the Zero Degree Calorimeters | |
1203 | // | |
1204 | ||
1205 | Int_t j, vol[2], ibeta=0, ialfa, ibe, nphe; | |
1206 | Float_t x[3], xdet[3], destep, hits[10], m, ekin, um[3], ud[3], be, out; | |
1207 | //Float_t radius; | |
1208 | Float_t xalic[3], z, guiEff, guiPar[4]={0.31,-0.0004,0.0197,0.7958}; | |
1209 | TLorentzVector s, p; | |
1210 | const char *knamed; | |
1211 | ||
1212 | for (j=0;j<10;j++) hits[j]=-999.; | |
1213 | ||
1214 | // --- This part is for no shower developement in beam pipe and TDI | |
1215 | // If particle interacts with beam pipe or TDI -> return | |
1216 | if((gMC->CurrentMedium() == fMedSensPI) || (gMC->CurrentMedium() == fMedSensTDI)){ | |
1217 | // If option NoShower is set -> StopTrack | |
1218 | if(fNoShower==1) { | |
1219 | if(gMC->CurrentMedium() == fMedSensPI) { | |
1220 | knamed = gMC->CurrentVolName(); | |
1221 | if(!strncmp(knamed,"YMQ",3)) fpLostIT += 1; | |
1222 | if(!strncmp(knamed,"YD1",3)) fpLostD1 += 1; | |
1223 | } | |
1224 | else if(gMC->CurrentMedium() == fMedSensTDI){ // NB->Cu = TDI or D1 vacuum chamber | |
1225 | knamed = gMC->CurrentVolName(); | |
1226 | if(!strncmp(knamed,"MD1",3)) fpLostD1 += 1; | |
1227 | if(!strncmp(knamed,"QTD",3)) fpLostTDI += 1; | |
1228 | } | |
1229 | printf("\n # of spectators lost in IT = %d\n",fpLostIT); | |
1230 | printf("\n # of spectators lost in D1 = %d\n",fpLostD1); | |
1231 | printf("\n # of spectators lost in TDI = %d\n\n",fpLostTDI); | |
1232 | gMC->StopTrack(); | |
1233 | } | |
1234 | return; | |
1235 | } | |
1236 | ||
1237 | if((gMC->CurrentMedium() == fMedSensZN) || (gMC->CurrentMedium() == fMedSensZP) || | |
1238 | (gMC->CurrentMedium() == fMedSensGR) || (gMC->CurrentMedium() == fMedSensF1) || | |
1239 | (gMC->CurrentMedium() == fMedSensF2) || (gMC->CurrentMedium() == fMedSensZEM)){ | |
1240 | ||
1241 | ||
1242 | //Particle coordinates | |
1243 | gMC->TrackPosition(s); | |
1244 | for(j=0; j<=2; j++) x[j] = s[j]; | |
1245 | hits[0] = x[0]; | |
1246 | hits[1] = x[1]; | |
1247 | hits[2] = x[2]; | |
1248 | ||
1249 | // Determine in which ZDC the particle is | |
1250 | knamed = gMC->CurrentVolName(); | |
1251 | if(!strncmp(knamed,"ZN",2)) vol[0]=1; | |
1252 | else if(!strncmp(knamed,"ZP",2)) vol[0]=2; | |
1253 | else if(!strncmp(knamed,"ZE",2)) vol[0]=3; | |
1254 | ||
1255 | // Determine in which quadrant the particle is | |
1256 | if(vol[0]==1){ //Quadrant in ZN | |
1257 | // Calculating particle coordinates inside ZN | |
1258 | xdet[0] = x[0]-fPosZN[0]; | |
1259 | xdet[1] = x[1]-fPosZN[1]; | |
1260 | // Calculating quadrant in ZN | |
1261 | if(xdet[0]<=0.){ | |
1262 | if(xdet[1]>=0.) vol[1]=1; | |
1263 | else if(xdet[1]<0.) vol[1]=3; | |
1264 | } | |
1265 | else if(xdet[0]>0.){ | |
1266 | if(xdet[1]>=0.) vol[1]=2; | |
1267 | else if(xdet[1]<0.) vol[1]=4; | |
1268 | } | |
1269 | if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4)) | |
1270 | printf("\n ZDC StepManager->ERROR in ZN!!! vol[1] = %d, xdet[0] = %f," | |
1271 | "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]); | |
1272 | } | |
1273 | ||
1274 | else if(vol[0]==2){ //Quadrant in ZP | |
1275 | // Calculating particle coordinates inside ZP | |
1276 | xdet[0] = x[0]-fPosZP[0]; | |
1277 | xdet[1] = x[1]-fPosZP[1]; | |
1278 | if(xdet[0]>=fDimZP[0]) xdet[0]=fDimZP[0]-0.01; | |
1279 | if(xdet[0]<=-fDimZP[0]) xdet[0]=-fDimZP[0]+0.01; | |
1280 | // Calculating tower in ZP | |
1281 | Float_t xqZP = xdet[0]/(fDimZP[0]/2.); | |
1282 | for(int i=1; i<=4; i++){ | |
1283 | if(xqZP>=(i-3) && xqZP<(i-2)){ | |
1284 | vol[1] = i; | |
1285 | break; | |
1286 | } | |
1287 | } | |
1288 | if((vol[1]!=1) && (vol[1]!=2) && (vol[1]!=3) && (vol[1]!=4)) | |
1289 | printf(" ZDC StepManager->ERROR in ZP!!! vol[1] = %d, xdet[0] = %f," | |
1290 | "xdet[1] = %f\n",vol[1], xdet[0], xdet[1]); | |
1291 | } | |
1292 | ||
1293 | // Quadrant in ZEM: vol[1] = 1 -> particle in 1st ZEM (placed at x = 8.5 cm) | |
1294 | // vol[1] = 2 -> particle in 2nd ZEM (placed at x = -8.5 cm) | |
1295 | else if(vol[0] == 3){ | |
1296 | if(x[0]>0.){ | |
1297 | vol[1] = 1; | |
1298 | // Particle x-coordinate inside ZEM1 | |
1299 | xdet[0] = x[0]-fPosZEM[0]; | |
1300 | } | |
1301 | else{ | |
1302 | vol[1] = 2; | |
1303 | // Particle x-coordinate inside ZEM2 | |
1304 | xdet[0] = x[0]+fPosZEM[0]; | |
1305 | } | |
1306 | xdet[1] = x[1]-fPosZEM[1]; | |
1307 | } | |
1308 | ||
1309 | // Store impact point and kinetic energy of the ENTERING particle | |
1310 | ||
1311 | if(gMC->IsTrackEntering()){ | |
1312 | //Particle energy | |
1313 | gMC->TrackMomentum(p); | |
1314 | hits[3] = p[3]; | |
1315 | // Impact point on ZDC | |
1316 | hits[4] = xdet[0]; | |
1317 | hits[5] = xdet[1]; | |
1318 | hits[6] = 0; | |
1319 | hits[7] = 0; | |
1320 | hits[8] = 0; | |
1321 | hits[9] = 0; | |
1322 | ||
1323 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1324 | ||
1325 | if(fNoShower==1){ | |
1326 | fpDetected += 1; | |
1327 | gMC->StopTrack(); | |
1328 | if(vol[0]==1) printf("\n # of detected neutrons = %d\n\n",fpDetected); | |
1329 | if(vol[0]==2) printf("\n # of detected protons = %d\n\n",fpDetected); | |
1330 | return; | |
1331 | } | |
1332 | } | |
1333 | ||
1334 | // Charged particles -> Energy loss | |
1335 | if((destep=gMC->Edep())){ | |
1336 | if(gMC->IsTrackStop()){ | |
1337 | gMC->TrackMomentum(p); | |
1338 | m = gMC->TrackMass(); | |
1339 | ekin = p[3]-m; | |
1340 | hits[9] = ekin; | |
1341 | hits[7] = 0.; | |
1342 | hits[8] = 0.; | |
1343 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1344 | } | |
1345 | else{ | |
1346 | hits[9] = destep; | |
1347 | hits[7] = 0.; | |
1348 | hits[8] = 0.; | |
1349 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1350 | } | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | ||
1355 | // *** Light production in fibres | |
1356 | if((gMC->CurrentMedium() == fMedSensF1) || (gMC->CurrentMedium() == fMedSensF2)){ | |
1357 | ||
1358 | //Select charged particles | |
1359 | if((destep=gMC->Edep())){ | |
1360 | ||
1361 | // Particle velocity | |
1362 | Float_t beta = 0.; | |
1363 | gMC->TrackMomentum(p); | |
1364 | Float_t ptot=TMath::Sqrt(p[0]*p[0]+p[1]*p[1]+p[2]*p[2]); | |
1365 | if(p[3] > 0.00001) beta = ptot/p[3]; | |
1366 | else return; | |
1367 | if(beta<0.67)return; | |
1368 | else if((beta>=0.67) && (beta<=0.75)) ibeta = 0; | |
1369 | else if((beta>0.75) && (beta<=0.85)) ibeta = 1; | |
1370 | else if((beta>0.85) && (beta<=0.95)) ibeta = 2; | |
1371 | else if(beta>0.95) ibeta = 3; | |
1372 | ||
1373 | // Angle between particle trajectory and fibre axis | |
1374 | // 1 -> Momentum directions | |
1375 | um[0] = p[0]/ptot; | |
1376 | um[1] = p[1]/ptot; | |
1377 | um[2] = p[2]/ptot; | |
1378 | gMC->Gmtod(um,ud,2); | |
1379 | // 2 -> Angle < limit angle | |
1380 | Double_t alfar = TMath::ACos(ud[2]); | |
1381 | Double_t alfa = alfar*kRaddeg; | |
1382 | if(alfa>=110.) return; | |
1383 | // | |
1384 | ialfa = Int_t(1.+alfa/2.); | |
1385 | ||
1386 | // Distance between particle trajectory and fibre axis | |
1387 | gMC->TrackPosition(s); | |
1388 | for(j=0; j<=2; j++){ | |
1389 | x[j] = s[j]; | |
1390 | } | |
1391 | gMC->Gmtod(x,xdet,1); | |
1392 | if(TMath::Abs(ud[0])>0.00001){ | |
1393 | Float_t dcoeff = ud[1]/ud[0]; | |
1394 | be = TMath::Abs((xdet[1]-dcoeff*xdet[0])/TMath::Sqrt(dcoeff*dcoeff+1.)); | |
1395 | } | |
1396 | else{ | |
1397 | be = TMath::Abs(ud[0]); | |
1398 | } | |
1399 | ||
1400 | ibe = Int_t(be*1000.+1); | |
1401 | //if((vol[0]==1)) radius = fFibZN[1]; | |
1402 | //else if((vol[0]==2)) radius = fFibZP[1]; | |
1403 | ||
1404 | //Looking into the light tables | |
1405 | Float_t charge = gMC->TrackCharge(); | |
1406 | ||
1407 | if((vol[0]==1)) { // (1) ZN fibres | |
1408 | if(ibe>fNben) ibe=fNben; | |
1409 | out = charge*charge*fTablen[ibeta][ialfa][ibe]; | |
1410 | nphe = gRandom->Poisson(out); | |
1411 | // Ch. debug | |
1412 | //if(ibeta==3) printf("\t %f \t %f \t %f\n",alfa, be, out); | |
1413 | //printf("\t ibeta = %d, ialfa = %d, ibe = %d -> nphe = %d\n\n",ibeta,ialfa,ibe,nphe); | |
1414 | if(gMC->CurrentMedium() == fMedSensF1){ | |
1415 | hits[7] = nphe; //fLightPMQ | |
1416 | hits[8] = 0; | |
1417 | hits[9] = 0; | |
1418 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1419 | } | |
1420 | else{ | |
1421 | hits[7] = 0; | |
1422 | hits[8] = nphe; //fLightPMC | |
1423 | hits[9] = 0; | |
1424 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1425 | } | |
1426 | } | |
1427 | else if((vol[0]==2)) { // (2) ZP fibres | |
1428 | if(ibe>fNbep) ibe=fNbep; | |
1429 | out = charge*charge*fTablep[ibeta][ialfa][ibe]; | |
1430 | nphe = gRandom->Poisson(out); | |
1431 | if(gMC->CurrentMedium() == fMedSensF1){ | |
1432 | hits[7] = nphe; //fLightPMQ | |
1433 | hits[8] = 0; | |
1434 | hits[9] = 0; | |
1435 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1436 | } | |
1437 | else{ | |
1438 | hits[7] = 0; | |
1439 | hits[8] = nphe; //fLightPMC | |
1440 | hits[9] = 0; | |
1441 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1442 | } | |
1443 | } | |
1444 | else if((vol[0]==3)) { // (3) ZEM fibres | |
1445 | if(ibe>fNbep) ibe=fNbep; | |
1446 | out = charge*charge*fTablep[ibeta][ialfa][ibe]; | |
1447 | gMC->TrackPosition(s); | |
1448 | for(j=0; j<=2; j++){ | |
1449 | xalic[j] = s[j]; | |
1450 | } | |
1451 | // z-coordinate from ZEM front face | |
1452 | // NB-> fPosZEM[2]+fZEMLength = -1000.+2*10.3 = 979.69 cm | |
1453 | z = -xalic[2]+fPosZEM[2]+2*fZEMLength-xalic[1]; | |
1454 | // z = xalic[2]-fPosZEM[2]-fZEMLength-xalic[1]*(TMath::Tan(45.*kDegrad)); | |
1455 | // printf("\n fPosZEM[2]+2*fZEMLength = %f", fPosZEM[2]+2*fZEMLength); | |
1456 | guiEff = guiPar[0]*(guiPar[1]*z*z+guiPar[2]*z+guiPar[3]); | |
1457 | out = out*guiEff; | |
1458 | nphe = gRandom->Poisson(out); | |
1459 | // printf(" out*guiEff = %f nphe = %d", out, nphe); | |
1460 | if(vol[1] == 1){ | |
1461 | hits[7] = 0; | |
1462 | hits[8] = nphe; //fLightPMC (ZEM1) | |
1463 | hits[9] = 0; | |
1464 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1465 | } | |
1466 | else{ | |
1467 | hits[7] = nphe; //fLightPMQ (ZEM2) | |
1468 | hits[8] = 0; | |
1469 | hits[9] = 0; | |
1470 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
1471 | } | |
1472 | } | |
1473 | } | |
1474 | } | |
1475 | } |