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f4f76f65 | 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 | /* $Id$ */ | |
17 | ||
18 | ////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // (V-zero) detector version 5 as designed by the Lyon group // | |
21 | // All comments should be sent to Brigitte CHEYNIS : // | |
22 | // b.cheynis@ipnl.in2p3.fr // | |
23 | // Geometry of the 16 th of june 2004 // | |
24 | // (now 8 sectors instead of 12 sectors as in previous version) // | |
25 | // V0R (now V0C) sits between Z values -89.6 and -84.9 cm // | |
26 | // V0L (now V0A) sits between Z values +339.0 and +341.0 cm // | |
27 | // New coordinate system has been implemented in october 2003 // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | // --- Standard libraries --- | |
32 | #include <Riostream.h> | |
33 | #include <stdlib.h> | |
34 | #include <string.h> | |
35 | ||
36 | // --- ROOT libraries --- | |
37 | #include <TClonesArray.h> | |
f4f76f65 | 38 | #include <TGeometry.h> |
39 | #include <TLorentzVector.h> | |
40 | #include <TMath.h> | |
41 | #include <TNode.h> | |
42 | #include <TObjectTable.h> | |
43 | #include <TTUBE.h> | |
44 | #include <TTUBS.h> | |
45 | #include <TVirtualMC.h> | |
46 | #include <TParticle.h> | |
47 | ||
48 | // --- AliRoot header files --- | |
49 | #include "AliRun.h" | |
50 | #include "AliMC.h" | |
51 | #include "AliConst.h" | |
52 | #include "AliMagF.h" | |
53 | #include "AliVZEROLoader.h" | |
54 | #include "AliVZEROdigit.h" | |
55 | #include "AliVZEROhit.h" | |
56 | #include "AliVZEROv5.h" | |
254ef8f1 | 57 | #include "AliLog.h" |
f4f76f65 | 58 | |
59 | ClassImp(AliVZEROv5) | |
60 | ||
61 | //_____________________________________________________________________________ | |
0b2bea8b | 62 | AliVZEROv5:: AliVZEROv5():AliVZERO(), |
63 | fCellId(0), | |
64 | fTrackPosition(), | |
65 | fTrackMomentum(), | |
66 | fLightYield(93.75), | |
67 | fLightAttenuation(0.05), | |
68 | fnMeters(15.0), | |
69 | fFibToPhot(0.3) | |
f4f76f65 | 70 | { |
71 | // Standard default constructor | |
72 | } | |
73 | ||
74 | //_____________________________________________________________________________ | |
75 | AliVZEROv5::AliVZEROv5(const char *name, const char *title): | |
0b2bea8b | 76 | AliVZERO(name,title), |
77 | fCellId(0), | |
78 | fTrackPosition(), | |
79 | fTrackMomentum(), | |
80 | fLightYield(93.75), | |
81 | fLightAttenuation(0.05), | |
82 | fnMeters(15.0), | |
83 | fFibToPhot(0.3) | |
f4f76f65 | 84 | { |
85 | ||
86 | // Standard constructor for V-zero Detector version 5 | |
87 | ||
254ef8f1 | 88 | AliDebug(2,"Create VZERO object "); |
0b2bea8b | 89 | // |
90 | // fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon) | |
91 | // fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter) | |
92 | // fnMeters = 15.0; // Number of meters of clear fibers to PM | |
93 | // fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface | |
f4f76f65 | 94 | } |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | void AliVZEROv5::CreateGeometry() | |
98 | { | |
99 | ||
100 | // Creates the GEANT geometry of the V-zero Detector version 5 | |
101 | ||
254ef8f1 | 102 | AliDebug(2,"Create Geometry "); |
f4f76f65 | 103 | |
104 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
105 | ||
106 | Int_t ndetR = 1; | |
107 | Int_t ndetL = 1; | |
108 | ||
109 | Int_t ncellsR = 1; | |
110 | Int_t ncellsL = 1; | |
111 | ||
112 | Int_t idrotm[999]; | |
113 | ||
114 | Float_t height1Right, height2Right, height3Right, height4Right; | |
115 | Float_t heightRight; | |
116 | Float_t theta; | |
117 | ||
118 | Float_t halfThickQua; | |
119 | ||
120 | Float_t zdet; | |
121 | Float_t r0Right, r4Right, rBoxRight; | |
122 | Float_t pi = TMath::Pi(); | |
123 | ||
124 | height1Right = 2.6; // height of cell 1, in cm | |
125 | height2Right = 4.6; // height of cell 2, in cm | |
126 | height3Right = 7.6; // height of cell 3, in cm | |
127 | height4Right = 12.7; // height of cell 4, in cm | |
128 | ||
129 | theta = pi/4.0/2.0; // half angular opening = 22.5 degrees | |
130 | ||
131 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
132 | ||
133 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
134 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
135 | // size of V0R box (fThickness) is increased by 3 mm as compared to basic version | |
136 | ||
137 | fThickness = fThickness + 0.3; // now 4.7 cm instead of 4.4 cm | |
138 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
139 | r0Right = 4.20; // closest distance to center of the beam pipe | |
140 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
141 | r4Right = r0Right + heightRight + 0.3; | |
142 | rBoxRight = 38.0; // external radius of right box | |
143 | ||
144 | // Creation of mother volume v0LE - left part - : | |
145 | // Entrance face at +339.0 cm (new coordinate system) ... | |
146 | ||
147 | Float_t partube[3]; | |
148 | ||
149 | partube[0] = 4.3; | |
150 | partube[1] = 44.0; | |
151 | partube[2] = fThickness1/2.0; | |
152 | ||
153 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
154 | ||
155 | // Creation of five rings - left part - : | |
156 | // Entrance face at +339.0 cm (new coordinate system) ... | |
157 | ||
158 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
159 | ||
160 | Float_t partubs[5]; | |
161 | ||
162 | Float_t r0Left = 4.3; | |
163 | Float_t height1Left = 3.3; | |
164 | Float_t height2Left = 6.2; | |
165 | Float_t height3Left = 8.9; | |
166 | Float_t height4Left = 20.9; | |
167 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
168 | ||
169 | Float_t r4Left = r0Left + heightLeft; | |
170 | ||
171 | partubs[0] = r0Left; | |
172 | partubs[1] = r4Left; | |
173 | partubs[2] = fThickness1/2.0; | |
174 | partubs[3] = 90.0-22.5; | |
175 | partubs[4] = 135.0-22.5; | |
176 | ||
177 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
178 | ||
179 | Float_t r1Left = r0Left + height1Left; | |
180 | ||
181 | partubs[0] = r0Left; | |
182 | partubs[1] = r1Left; | |
183 | ||
184 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
185 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
186 | ||
187 | Float_t r2Left = r1Left + height2Left; | |
188 | ||
189 | partubs[0] = r1Left; | |
190 | partubs[1] = r2Left; | |
191 | ||
192 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
193 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
194 | ||
195 | Float_t r3Left = r2Left + height3Left; | |
196 | ||
197 | partubs[0] = r2Left; | |
198 | partubs[1] = r3Left; | |
199 | ||
200 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
201 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
202 | ||
203 | partubs[0] = r3Left; | |
204 | partubs[1] = r4Left; | |
205 | ||
206 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume | |
207 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
208 | ||
209 | // Creation of mother volume v0RI - right part - : | |
210 | ||
211 | partube[0] = r0Right - 0.2; | |
212 | partube[1] = r4Right + 1.0; | |
213 | partube[2] = fThickness/2.0; | |
214 | ||
215 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
216 | ||
217 | // Creation of carbon lids (3.0 mm thick) to keep v0RI box shut... | |
218 | ||
219 | Float_t lidThickness = 0.30; | |
220 | ||
221 | partube[0] = r0Right; | |
222 | partube[1] = rBoxRight; | |
223 | partube[2] = +lidThickness/2.0; | |
224 | ||
225 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
226 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
227 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
228 | ||
229 | // Creation of aluminum rings 3.0 mm thick to maintain the v0RI pieces ... | |
230 | ||
231 | partube[0] = r0Right; | |
232 | partube[1] = r0Right + 0.3; | |
233 | partube[2] = +fThickness/2.0; | |
234 | ||
235 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
236 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
237 | ||
238 | partube[0] = rBoxRight - 0.3; | |
239 | partube[1] = rBoxRight; | |
240 | partube[2] = +fThickness/2.0; | |
241 | ||
242 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
243 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
244 | ||
245 | // Mother volume v0R0 in which will be set 6 scintillator cells | |
246 | ||
247 | partubs[0] = r0Right; | |
248 | partubs[1] = r4Right; | |
249 | partubs[2] = fThickness/2.0; | |
250 | partubs[3] = 90.0-22.5; | |
251 | partubs[4] = 135.0-22.5; | |
252 | ||
253 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
254 | ||
255 | // Elementary cell of ring 1 : | |
256 | // (cells of ring 1 will be shifted by 2.0 cm backwards to output fibers) | |
257 | ||
258 | Float_t offsetFibers = 1.0; | |
259 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
260 | Float_t r1Right = r0Right + 0.3 + height1Right; | |
261 | ||
262 | partubs[0] = r0Right + 0.3; | |
263 | partubs[1] = r1Right; | |
264 | partubs[2] = fThickness1/2.0; | |
265 | ||
266 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
267 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
268 | ||
269 | // Elementary cell of ring 2 : | |
270 | // (cells of ring 2 will be shifted by 1.0 cm backwards to output fibers) | |
271 | ||
272 | Float_t r2Right = r1Right + height2Right; | |
273 | ||
274 | partubs[0] = r1Right; | |
275 | partubs[1] = r2Right; | |
276 | ||
277 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
278 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
279 | ||
280 | // Elementary cell of ring 3 : | |
281 | ||
282 | Float_t r3Right = r2Right + height3Right; | |
283 | ||
284 | partubs[0] = r2Right; | |
285 | partubs[1] = r3Right; | |
286 | partubs[3] = 90.0-22.5; | |
287 | partubs[4] = 112.5-22.5; | |
288 | ||
289 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
290 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
291 | ||
292 | partubs[3] = 112.5-22.5; | |
293 | partubs[4] = 135.0-22.5; | |
294 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
295 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
296 | ||
297 | // Elementary cell of ring 4 : | |
298 | ||
299 | partubs[0] = r3Right; | |
300 | partubs[1] = r4Right; | |
301 | partubs[3] = 90.0-22.5; | |
302 | partubs[4] = 112.5-22.5; | |
303 | ||
304 | gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
305 | gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
306 | ||
307 | partubs[3] = 112.5-22.5; | |
308 | partubs[4] = 135.0-22.5; | |
309 | gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
310 | gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
311 | ||
312 | Float_t phiDeg = 180./4.; | |
313 | ||
314 | // Right part : | |
315 | ||
316 | for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
317 | { | |
318 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
319 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
320 | 0.0,0.0,idrotm[902],"ONLY"); | |
321 | ndetR++; | |
322 | } | |
323 | ||
324 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
325 | ||
326 | ncellsR = (ndetR - 1) * 6; | |
254ef8f1 | 327 | AliInfo(Form("Number of cells on Right side = %d\n", ncellsR)); |
f4f76f65 | 328 | |
329 | // Left part : | |
330 | ||
331 | for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
332 | { | |
333 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
334 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
335 | 0.0,0.0,idrotm[902],"ONLY"); | |
336 | ndetL++; | |
337 | } | |
338 | ||
339 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,339.0+fThickness1/2.0,0,"ONLY"); | |
340 | ||
341 | ncellsL = (ndetL - 1) * 4; | |
254ef8f1 | 342 | AliInfo(Form("Number of cells on Left side = %d\n", ncellsL)); |
f4f76f65 | 343 | |
344 | } | |
345 | ||
f4f76f65 | 346 | //_____________________________________________________________________________ |
347 | void AliVZEROv5::CreateMaterials() | |
348 | { | |
349 | ||
350 | // Creates materials used for geometry | |
351 | ||
254ef8f1 | 352 | AliDebug(2,"Create materials"); |
f4f76f65 | 353 | |
354 | /* | |
355 | Float_t ppckov[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
356 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
357 | ||
358 | ||
359 | Float_t ppckov_alu[14] = { 5.5e-9, 5.7e-9, 5.9e-9, 6.1e-9, 6.3e-9, 6.5e-9, 6.7e-9, | |
360 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
361 | ||
362 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
363 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
364 | 1.662295, 1.68337 }; | |
365 | ||
366 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
367 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
368 | ||
369 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
370 | ||
371 | ||
372 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
373 | ||
374 | ||
375 | Float_t absco_alu[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4, | |
376 | 1e-4,1e-4,1e-4,1e-4 }; | |
377 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
378 | ||
379 | */ | |
380 | ||
381 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
382 | ||
f4f76f65 | 383 | |
384 | // Parameters related to Quarz (SiO2) : | |
385 | ||
386 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
387 | Int_t nlmatqua; | |
388 | ||
389 | aqua[0] = 28.09; | |
390 | aqua[1] = 16.; | |
391 | zqua[0] = 14.; | |
392 | zqua[1] = 8.; | |
393 | densqua = 2.64; | |
394 | nlmatqua = -2; | |
395 | wmatqua[0] = 1.; | |
396 | wmatqua[1] = 2.; | |
397 | ||
398 | // Parameters related to aluminum sheets : | |
399 | ||
400 | Float_t aal = 26.98; | |
401 | Float_t zal = 13.00; | |
402 | Float_t densal= 2.7; | |
403 | Float_t radlal= 8.9; | |
404 | ||
405 | // Parameters related to scintillator CH : | |
406 | ||
407 | Float_t ascin[2] = {1.00794,12.011}; | |
408 | Float_t zscin[2] = {1.,6.}; | |
409 | Float_t wscin[2] = {1.,1.}; | |
410 | Float_t denscin = 1.032; | |
411 | ||
b84cd1d5 | 412 | // AIR |
413 | ||
414 | Float_t aAir[4]={12.,14.,16.,36.}; | |
415 | Float_t zAir[4]={6.,7.,8.,18.}; | |
416 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
417 | Float_t dAir = 1.20479E-3; | |
418 | ||
f4f76f65 | 419 | // Definition of materials : |
420 | ||
b84cd1d5 | 421 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); |
422 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
f4f76f65 | 423 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
424 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
425 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
426 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
427 | ||
428 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
429 | ||
430 | ||
431 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
432 | Float_t sXMGMX = gAlice->Field()->Max(); | |
433 | ||
434 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
435 | ||
436 | tmaxfd = 10.; | |
437 | stemax = 0.1; | |
438 | deemax = 0.1; | |
439 | epsil = 0.001; | |
440 | stmin = 0.001; | |
441 | ||
442 | // Active Air : | |
443 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
444 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
445 | ||
446 | // Inactive air : | |
447 | ||
448 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
449 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
450 | ||
451 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
452 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
453 | ||
454 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
455 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
456 | ||
457 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
458 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
459 | ||
460 | ||
461 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
462 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
463 | ||
464 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
465 | ||
466 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
467 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
468 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
469 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
470 | ||
471 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
472 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
473 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
474 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
475 | ||
476 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
477 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
478 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
479 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
480 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
481 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
482 | ||
483 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
484 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
485 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
486 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
487 | ||
488 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
489 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
490 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
491 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
492 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
493 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
494 | ||
495 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
496 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
497 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
498 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
499 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
500 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
501 | ||
502 | ||
503 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
504 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
505 | ||
506 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
507 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
508 | ||
509 | } | |
510 | ||
511 | //_____________________________________________________________________________ | |
ba380e33 | 512 | void AliVZEROv5::DrawModule() const |
f4f76f65 | 513 | { |
514 | ||
515 | // Drawing is done in DrawVZERO.C | |
516 | ||
254ef8f1 | 517 | AliDebug(2,"DrawModule"); |
f4f76f65 | 518 | } |
519 | ||
520 | //_____________________________________________________________________________ | |
521 | void AliVZEROv5::Init() | |
522 | { | |
523 | // Initialises version 2 of the VZERO Detector | |
524 | // Just prints an information message | |
525 | ||
254ef8f1 | 526 | AliInfo(Form("VZERO version %d initialized \n",IsVersion())); |
f4f76f65 | 527 | |
528 | // gMC->SetMaxStep(fMaxStepAlu); | |
529 | // gMC->SetMaxStep(fMaxStepQua); | |
530 | ||
531 | AliVZERO::Init(); | |
532 | } | |
533 | ||
534 | //_____________________________________________________________________________ | |
535 | void AliVZEROv5::StepManager() | |
536 | { | |
537 | ||
538 | // Step Manager, called at each step | |
539 | ||
540 | Int_t copy; | |
541 | static Int_t vol[4]; | |
542 | static Float_t hits[21]; | |
543 | static Float_t eloss, tlength; | |
544 | static Int_t nPhotonsInStep; | |
545 | static Int_t nPhotons; | |
546 | static Int_t numStep; | |
547 | Float_t ringNumber; | |
548 | Float_t destep, step; | |
549 | ||
550 | numStep += 1; | |
551 | ||
552 | // We keep only charged tracks : | |
553 | ||
554 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
555 | ||
556 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
557 | vol[2] = gMC->CurrentVolID(copy); | |
558 | vol[3] = copy; | |
559 | ||
d6fb41ac | 560 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
561 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
562 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
563 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
564 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
565 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
566 | static Int_t idV0R4 = gMC->VolId("V0R4"); | |
567 | static Int_t idV0L4 = gMC->VolId("V0L4"); | |
568 | static Int_t idV0R5 = gMC->VolId("V0R5"); | |
569 | static Int_t idV0R6 = gMC->VolId("V0R6"); | |
570 | ||
571 | if ( gMC->CurrentVolID(copy) == idV0R1 || | |
572 | gMC->CurrentVolID(copy) == idV0L1 ) | |
f4f76f65 | 573 | ringNumber = 1.0; |
d6fb41ac | 574 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
575 | gMC->CurrentVolID(copy) == idV0L2 ) | |
f4f76f65 | 576 | ringNumber = 2.0; |
d6fb41ac | 577 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
578 | gMC->CurrentVolID(copy) == idV0R4 || | |
579 | gMC->CurrentVolID(copy) == idV0L3 ) | |
f4f76f65 | 580 | ringNumber = 3.0; |
d6fb41ac | 581 | else if ( gMC->CurrentVolID(copy) == idV0R5 || |
582 | gMC->CurrentVolID(copy) == idV0R6 || | |
583 | gMC->CurrentVolID(copy) == idV0L4 ) | |
f4f76f65 | 584 | ringNumber = 4.0; |
585 | else | |
586 | ringNumber = 0.0; | |
587 | ||
588 | if ( ringNumber > 0.5 ) { | |
589 | ||
590 | destep = gMC->Edep(); | |
591 | step = gMC->TrackStep(); | |
592 | ||
593 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
594 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
595 | ||
596 | eloss += destep; | |
597 | tlength += step; | |
598 | ||
599 | if ( gMC->IsTrackEntering() ) { | |
600 | ||
601 | nPhotons = nPhotonsInStep; | |
602 | gMC->TrackPosition(fTrackPosition); | |
603 | gMC->TrackMomentum(fTrackMomentum); | |
604 | ||
605 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
606 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
607 | ||
608 | hits[0] = fTrackPosition.X(); | |
609 | hits[1] = fTrackPosition.Y(); | |
610 | hits[2] = fTrackPosition.Z(); | |
611 | hits[3] = Float_t (gMC->TrackPid()); | |
612 | ||
613 | hits[4] = gMC->TrackTime(); | |
614 | hits[5] = gMC->TrackCharge(); | |
615 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
616 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
617 | hits[8] = ringNumber; | |
618 | ||
619 | hits[9] = pt; | |
620 | hits[10] = fTrackMomentum.P(); | |
621 | hits[11] = fTrackMomentum.Px(); | |
622 | hits[12] = fTrackMomentum.Py(); | |
623 | hits[13] = fTrackMomentum.Pz(); | |
624 | ||
625 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
626 | hits[14] = par->Vx(); | |
627 | hits[15] = par->Vy(); | |
628 | hits[16] = par->Vz(); | |
629 | ||
630 | tlength = 0.0; | |
631 | eloss = 0.0; | |
632 | } | |
633 | ||
634 | nPhotons = nPhotons + nPhotonsInStep; | |
635 | ||
636 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
637 | ||
638 | nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters)); | |
639 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot); | |
640 | ||
641 | hits[17] = eloss; | |
642 | hits[18] = tlength; | |
643 | hits[19] = nPhotons; | |
644 | hits[20] = GetCellId (vol, hits); | |
645 | ||
646 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
647 | ||
648 | tlength = 0.0; | |
649 | eloss = 0.0; | |
650 | nPhotons = 0; | |
651 | nPhotonsInStep = 0; | |
652 | ||
653 | numStep = 0; | |
654 | } | |
655 | } | |
656 | ||
657 | } | |
658 | ||
659 | //_____________________________________________________________________________ | |
660 | void AliVZEROv5::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
661 | { | |
662 | ||
663 | // Adds a VZERO hit | |
664 | ||
665 | TClonesArray &lhits = *fHits; | |
666 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
667 | } | |
668 | ||
669 | //_____________________________________________________________________________ | |
670 | void AliVZEROv5::AddDigits(Int_t *tracks, Int_t* digits) | |
671 | { | |
672 | ||
673 | // Adds a VZERO digit | |
674 | ||
675 | TClonesArray &ldigits = *fDigits; | |
676 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
677 | } | |
678 | ||
679 | //_____________________________________________________________________________ | |
680 | void AliVZEROv5::MakeBranch(Option_t *option) | |
681 | { | |
682 | ||
683 | // Creates new branches in the current Root Tree | |
684 | ||
685 | char branchname[10]; | |
686 | sprintf(branchname,"%s",GetName()); | |
254ef8f1 | 687 | AliDebug(2,Form("fBufferSize = %d",fBufferSize)); |
f4f76f65 | 688 | |
689 | const char *cH = strstr(option,"H"); | |
690 | ||
691 | if (fHits && TreeH() && cH) { | |
692 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
254ef8f1 | 693 | AliDebug(2,Form("Making Branch %s for hits",branchname)); |
f4f76f65 | 694 | } |
695 | ||
696 | const char *cD = strstr(option,"D"); | |
697 | ||
698 | if (fDigits && fLoader->TreeD() && cD) { | |
699 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
254ef8f1 | 700 | AliDebug(2,Form("Making Branch %s for digits",branchname)); |
f4f76f65 | 701 | } |
702 | ||
703 | } | |
704 | ||
705 | //_____________________________________________________________________________ | |
706 | Int_t AliVZEROv5::GetCellId(Int_t *vol, Float_t *hits) | |
707 | { | |
708 | ||
709 | // Returns Id of scintillator cell | |
710 | // Right side from 0 to 47 | |
711 | // Left side from 48 to 95 | |
712 | ||
713 | // hits[8] = ring number (1 to 4) | |
714 | // vol[1] = copy number (1 to 8) | |
715 | ||
716 | Int_t index = vol[1]; | |
717 | Int_t RingNumber = Int_t(hits[8]); | |
718 | fCellId = 0; | |
719 | ||
720 | // cout << "volID = " << vol[0] << " copy = " << vol[1] << endl; | |
721 | // cout << "X = " << hits[0] << " Y = " << hits[1] << endl; | |
722 | ||
723 | Float_t phi = Float_t(TMath::ATan2(Double_t(hits[1]),Double_t(hits[0])) ); | |
f4f76f65 | 724 | phi = kRaddeg * phi; |
725 | ||
726 | if (index < 7) index = index + 8; | |
727 | ||
728 | if (hits[2] < 0.0) { | |
729 | if(RingNumber < 3) { | |
730 | index = (index - 7) + ( ( RingNumber - 1 ) * 8);} | |
731 | else if(RingNumber >= 3){ | |
732 | if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R3")|| | |
733 | gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R5") ) | |
734 | {index = (index*2 - 14) + ( ( RingNumber - 2 ) * 16); } | |
735 | if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R4")|| | |
736 | gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R6") ) | |
737 | {index = (index*2 - 13) + ( ( RingNumber - 2 ) * 16); } | |
738 | } | |
739 | fCellId = index; | |
740 | } | |
741 | ||
742 | else if (hits[2] > 0.0){ | |
743 | index = (index - 7 + 48) + ( ( RingNumber - 1 ) * 8); | |
744 | fCellId = index;} | |
745 | ||
746 | // cout << " ring = " << RingNumber << " phi = "<< phi << endl; | |
747 | // cout << " cellID = " << fCellId << endl; | |
748 | // cout << "**********" << endl; | |
749 | ||
750 | return fCellId; | |
751 | ||
752 | ||
753 | } |