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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 | //_____________________________________________________________________________ | |
62 | AliVZEROv5:: AliVZEROv5():AliVZERO() | |
63 | { | |
64 | // Standard default constructor | |
65 | } | |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliVZEROv5::AliVZEROv5(const char *name, const char *title): | |
69 | AliVZERO(name,title) | |
70 | { | |
71 | ||
72 | // Standard constructor for V-zero Detector version 5 | |
73 | ||
254ef8f1 | 74 | AliDebug(2,"Create VZERO object "); |
f4f76f65 | 75 | |
76 | fLightYield = 93.75; // Light yield in BC408 (93.75 eV per photon) | |
77 | fLightAttenuation = 0.05; // Light attenuation in fiber (0.05 per meter) | |
78 | fnMeters = 15.0; // Number of meters of clear fibers to PM | |
79 | fFibToPhot = 0.3; // Attenuation at fiber-photocathode interface | |
80 | } | |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | void AliVZEROv5::CreateGeometry() | |
84 | { | |
85 | ||
86 | // Creates the GEANT geometry of the V-zero Detector version 5 | |
87 | ||
254ef8f1 | 88 | AliDebug(2,"Create Geometry "); |
f4f76f65 | 89 | |
90 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
91 | ||
92 | Int_t ndetR = 1; | |
93 | Int_t ndetL = 1; | |
94 | ||
95 | Int_t ncellsR = 1; | |
96 | Int_t ncellsL = 1; | |
97 | ||
98 | Int_t idrotm[999]; | |
99 | ||
100 | Float_t height1Right, height2Right, height3Right, height4Right; | |
101 | Float_t heightRight; | |
102 | Float_t theta; | |
103 | ||
104 | Float_t halfThickQua; | |
105 | ||
106 | Float_t zdet; | |
107 | Float_t r0Right, r4Right, rBoxRight; | |
108 | Float_t pi = TMath::Pi(); | |
109 | ||
110 | height1Right = 2.6; // height of cell 1, in cm | |
111 | height2Right = 4.6; // height of cell 2, in cm | |
112 | height3Right = 7.6; // height of cell 3, in cm | |
113 | height4Right = 12.7; // height of cell 4, in cm | |
114 | ||
115 | theta = pi/4.0/2.0; // half angular opening = 22.5 degrees | |
116 | ||
117 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) | |
118 | ||
119 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
120 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
121 | // size of V0R box (fThickness) is increased by 3 mm as compared to basic version | |
122 | ||
123 | fThickness = fThickness + 0.3; // now 4.7 cm instead of 4.4 cm | |
124 | zdet = 90.0 - 0.6 - fThickness/2.0; // distance to vertex (along Z axis) | |
125 | r0Right = 4.20; // closest distance to center of the beam pipe | |
126 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
127 | r4Right = r0Right + heightRight + 0.3; | |
128 | rBoxRight = 38.0; // external radius of right box | |
129 | ||
130 | // Creation of mother volume v0LE - left part - : | |
131 | // Entrance face at +339.0 cm (new coordinate system) ... | |
132 | ||
133 | Float_t partube[3]; | |
134 | ||
135 | partube[0] = 4.3; | |
136 | partube[1] = 44.0; | |
137 | partube[2] = fThickness1/2.0; | |
138 | ||
139 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
140 | ||
141 | // Creation of five rings - left part - : | |
142 | // Entrance face at +339.0 cm (new coordinate system) ... | |
143 | ||
144 | // Mother volume v0L0 in which will be set 5 scintillator cells | |
145 | ||
146 | Float_t partubs[5]; | |
147 | ||
148 | Float_t r0Left = 4.3; | |
149 | Float_t height1Left = 3.3; | |
150 | Float_t height2Left = 6.2; | |
151 | Float_t height3Left = 8.9; | |
152 | Float_t height4Left = 20.9; | |
153 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
154 | ||
155 | Float_t r4Left = r0Left + heightLeft; | |
156 | ||
157 | partubs[0] = r0Left; | |
158 | partubs[1] = r4Left; | |
159 | partubs[2] = fThickness1/2.0; | |
160 | partubs[3] = 90.0-22.5; | |
161 | partubs[4] = 135.0-22.5; | |
162 | ||
163 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
164 | ||
165 | Float_t r1Left = r0Left + height1Left; | |
166 | ||
167 | partubs[0] = r0Left; | |
168 | partubs[1] = r1Left; | |
169 | ||
170 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
171 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
172 | ||
173 | Float_t r2Left = r1Left + height2Left; | |
174 | ||
175 | partubs[0] = r1Left; | |
176 | partubs[1] = r2Left; | |
177 | ||
178 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
179 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
180 | ||
181 | Float_t r3Left = r2Left + height3Left; | |
182 | ||
183 | partubs[0] = r2Left; | |
184 | partubs[1] = r3Left; | |
185 | ||
186 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
187 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
188 | ||
189 | partubs[0] = r3Left; | |
190 | partubs[1] = r4Left; | |
191 | ||
192 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume | |
193 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
194 | ||
195 | // Creation of mother volume v0RI - right part - : | |
196 | ||
197 | partube[0] = r0Right - 0.2; | |
198 | partube[1] = r4Right + 1.0; | |
199 | partube[2] = fThickness/2.0; | |
200 | ||
201 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); | |
202 | ||
203 | // Creation of carbon lids (3.0 mm thick) to keep v0RI box shut... | |
204 | ||
205 | Float_t lidThickness = 0.30; | |
206 | ||
207 | partube[0] = r0Right; | |
208 | partube[1] = rBoxRight; | |
209 | partube[2] = +lidThickness/2.0; | |
210 | ||
211 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); | |
212 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
213 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
214 | ||
215 | // Creation of aluminum rings 3.0 mm thick to maintain the v0RI pieces ... | |
216 | ||
217 | partube[0] = r0Right; | |
218 | partube[1] = r0Right + 0.3; | |
219 | partube[2] = +fThickness/2.0; | |
220 | ||
221 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); | |
222 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
223 | ||
224 | partube[0] = rBoxRight - 0.3; | |
225 | partube[1] = rBoxRight; | |
226 | partube[2] = +fThickness/2.0; | |
227 | ||
228 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); | |
229 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
230 | ||
231 | // Mother volume v0R0 in which will be set 6 scintillator cells | |
232 | ||
233 | partubs[0] = r0Right; | |
234 | partubs[1] = r4Right; | |
235 | partubs[2] = fThickness/2.0; | |
236 | partubs[3] = 90.0-22.5; | |
237 | partubs[4] = 135.0-22.5; | |
238 | ||
239 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume | |
240 | ||
241 | // Elementary cell of ring 1 : | |
242 | // (cells of ring 1 will be shifted by 2.0 cm backwards to output fibers) | |
243 | ||
244 | Float_t offsetFibers = 1.0; | |
245 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
246 | Float_t r1Right = r0Right + 0.3 + height1Right; | |
247 | ||
248 | partubs[0] = r0Right + 0.3; | |
249 | partubs[1] = r1Right; | |
250 | partubs[2] = fThickness1/2.0; | |
251 | ||
252 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
253 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); | |
254 | ||
255 | // Elementary cell of ring 2 : | |
256 | // (cells of ring 2 will be shifted by 1.0 cm backwards to output fibers) | |
257 | ||
258 | Float_t r2Right = r1Right + height2Right; | |
259 | ||
260 | partubs[0] = r1Right; | |
261 | partubs[1] = r2Right; | |
262 | ||
263 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
264 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); | |
265 | ||
266 | // Elementary cell of ring 3 : | |
267 | ||
268 | Float_t r3Right = r2Right + height3Right; | |
269 | ||
270 | partubs[0] = r2Right; | |
271 | partubs[1] = r3Right; | |
272 | partubs[3] = 90.0-22.5; | |
273 | partubs[4] = 112.5-22.5; | |
274 | ||
275 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
276 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
277 | ||
278 | partubs[3] = 112.5-22.5; | |
279 | partubs[4] = 135.0-22.5; | |
280 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
281 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
282 | ||
283 | // Elementary cell of ring 4 : | |
284 | ||
285 | partubs[0] = r3Right; | |
286 | partubs[1] = r4Right; | |
287 | partubs[3] = 90.0-22.5; | |
288 | partubs[4] = 112.5-22.5; | |
289 | ||
290 | gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
291 | gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
292 | ||
293 | partubs[3] = 112.5-22.5; | |
294 | partubs[4] = 135.0-22.5; | |
295 | gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
296 | gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); | |
297 | ||
298 | Float_t phiDeg = 180./4.; | |
299 | ||
300 | // Right part : | |
301 | ||
302 | for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
303 | { | |
304 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
305 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, | |
306 | 0.0,0.0,idrotm[902],"ONLY"); | |
307 | ndetR++; | |
308 | } | |
309 | ||
310 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); | |
311 | ||
312 | ncellsR = (ndetR - 1) * 6; | |
254ef8f1 | 313 | AliInfo(Form("Number of cells on Right side = %d\n", ncellsR)); |
f4f76f65 | 314 | |
315 | // Left part : | |
316 | ||
317 | for(Float_t phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
318 | { | |
319 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
320 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, | |
321 | 0.0,0.0,idrotm[902],"ONLY"); | |
322 | ndetL++; | |
323 | } | |
324 | ||
325 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,339.0+fThickness1/2.0,0,"ONLY"); | |
326 | ||
327 | ncellsL = (ndetL - 1) * 4; | |
254ef8f1 | 328 | AliInfo(Form("Number of cells on Left side = %d\n", ncellsL)); |
f4f76f65 | 329 | |
330 | } | |
331 | ||
332 | //_____________________________________________________________________________ | |
333 | void AliVZEROv5::BuildGeometry() | |
334 | { | |
335 | ||
336 | // Builds simple ROOT TNode geometry for event display | |
337 | ||
254ef8f1 | 338 | AliDebug(2,"VZERO BuildGeometry"); |
f4f76f65 | 339 | |
340 | TNode *top; | |
341 | ||
342 | TNode *v0Rnode, *v0Rnode0, *v0Rnode7, *v0Rnode8, *v0Rnode9, *v0Rnode10; | |
343 | TNode *v0Rnode1, *v0Rnode2, *v0Rnode3, *v0Rnode4, *v0Rnode5, *v0Rnode6; | |
344 | TNode *v0Lnode, *v0Lnode0; | |
345 | TNode *v0Lnode1, *v0Lnode2, *v0Lnode3, *v0Lnode4; | |
346 | ||
347 | const int kColorVZERO = kGreen; | |
348 | ||
349 | top = gAlice->GetGeometry()->GetNode("alice"); | |
350 | ||
351 | Float_t height1Right, height2Right, height3Right, height4Right; | |
352 | Float_t heightRight; | |
353 | Float_t theta; | |
354 | ||
355 | Float_t halfThickQua; | |
356 | Float_t zdet; | |
357 | Float_t r0Right, r4Right, rBoxRight; | |
358 | Float_t pi = TMath::Pi(); | |
359 | ||
360 | height1Right = 2.6; // height of cell 1, in cm | |
361 | height2Right = 4.6; // height of cell 2, in cm | |
362 | height3Right = 7.6; // height of cell 3, in cm | |
363 | height4Right = 12.7; // height of cell 4, in cm | |
364 | ||
365 | theta = pi/4.0/2.0; | |
366 | ||
367 | halfThickQua = fThickness1/2.0; | |
368 | ||
369 | zdet = 90.0 - 0.6 - fThickness/2.0; | |
370 | r0Right = 4.20; | |
371 | heightRight = height1Right + height2Right + height3Right + height4Right; | |
372 | r4Right = r0Right + heightRight + 0.3; | |
373 | rBoxRight = 38.0; | |
374 | ||
375 | Int_t ndiv = 1; | |
376 | ||
377 | Float_t partube[3]; | |
378 | ||
379 | partube[0] = r0Right - 0.2; | |
380 | partube[1] = r4Right + 1.0; | |
381 | partube[2] = fThickness/2.0; | |
382 | ||
383 | TTUBE *v0RI = new TTUBE("V0RI", "V0RI", "void", partube[0], partube[1], partube[2]); | |
384 | ||
385 | top->cd(); | |
386 | ||
387 | v0Rnode = new TNode("V0RI","V0RI",v0RI,0.0,0.0,-zdet,0); | |
388 | ||
389 | v0Rnode->SetLineColor(kYellow); | |
390 | fNodes->Add(v0Rnode); | |
391 | v0Rnode->SetVisibility(2); | |
392 | ||
393 | // Rondelles de carbone (epaisseur 3.0 mm) de maintien des cellules ... | |
394 | ||
395 | Float_t lidThickness = 0.30; | |
396 | ||
397 | partube[0] = r0Right; | |
398 | partube[1] = rBoxRight; | |
399 | partube[2] = +lidThickness/2.0; | |
400 | ||
401 | TTUBE *v0CA = new TTUBE("V0CA", "V0CA", "void",partube[0], partube[1], partube[2]); | |
402 | ||
403 | v0Rnode->cd(); | |
404 | v0Rnode7 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0, fThickness/2.0-partube[2],0); | |
405 | v0Rnode7->SetLineColor(kYellow); | |
406 | fNodes->Add(v0Rnode7); | |
407 | v0Rnode->cd(); | |
408 | v0Rnode8 = new TNode("V0CA", "V0CA",v0CA,0.0,0.0,-fThickness/2.0+partube[2],0); | |
409 | v0Rnode8->SetLineColor(kYellow); | |
410 | fNodes->Add(v0Rnode8); | |
411 | ||
412 | partube[0] = r0Right; | |
413 | partube[1] = r0Right + 0.3; | |
414 | partube[2] = +fThickness/2.0; | |
415 | ||
416 | TTUBE *v0IR = new TTUBE("V0IR","V0IR","void", partube[0], partube[1], partube[2]); | |
417 | ||
418 | v0Rnode->cd(); | |
419 | v0Rnode9 = new TNode("V0IR", "V0IR",v0IR,0.0,0.0,0.0,0); | |
420 | v0Rnode9->SetLineColor(kYellow); | |
421 | fNodes->Add(v0Rnode9); | |
422 | ||
423 | partube[0] = rBoxRight - 0.3; | |
424 | partube[1] = rBoxRight; | |
425 | partube[2] = +fThickness/2.0; | |
426 | ||
427 | TTUBE *v0ER = new TTUBE("V0ER","V0ER","void", partube[0], partube[1], partube[2]); | |
428 | ||
429 | v0Rnode->cd(); | |
430 | v0Rnode10 = new TNode("V0ER", "V0ER",v0ER,0.0,0.0,0.0,0); | |
431 | v0Rnode10->SetLineColor(kYellow); | |
432 | fNodes->Add(v0Rnode10); | |
433 | ||
434 | Float_t partubs[5]; | |
435 | ||
436 | partubs[0] = r0Right; | |
437 | partubs[1] = r4Right; | |
438 | partubs[2] = fThickness/2.0; | |
439 | partubs[3] = 90.0-22.5; | |
440 | partubs[4] = 135.0-22.5; | |
441 | ||
442 | TTUBS *v0R0 = new TTUBS("V0R0", "V0R0", "void",partubs[0], partubs[1], partubs[2], | |
443 | partubs[3], partubs[4]); | |
444 | ||
445 | v0R0->SetNumberOfDivisions(ndiv); | |
446 | ||
447 | Float_t r1Right = r0Right + 0.3 + height1Right; | |
448 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
449 | Float_t offsetFibers = 1.0; | |
450 | ||
451 | partubs[0] = r0Right + 0.3; | |
452 | partubs[1] = r1Right; | |
453 | partubs[2] = fThickness1/2.0; | |
454 | ||
455 | TTUBS *v0R1 = new TTUBS("V0R1", "V0R1", "void", partubs[0], partubs[1], partubs[2], | |
456 | partubs[3], partubs[4]); | |
457 | ||
458 | v0R1->SetNumberOfDivisions(ndiv); | |
459 | ||
460 | Float_t r2Right = r1Right + height2Right; | |
461 | ||
462 | partubs[0] = r1Right; | |
463 | partubs[1] = r2Right; | |
464 | ||
465 | TTUBS *v0R2 = new TTUBS("V0R2", "V0R2", "void", partubs[0], partubs[1], partubs[2], | |
466 | partubs[3], partubs[4]); | |
467 | ||
468 | v0R2->SetNumberOfDivisions(ndiv); | |
469 | ||
470 | // Ring 3 : | |
471 | ||
472 | Float_t r3Right = r2Right + height3Right; | |
473 | ||
474 | partubs[0] = r2Right; | |
475 | partubs[1] = r3Right; | |
476 | partubs[3] = 90.0-22.5; | |
477 | partubs[4] = 112.5-22.5; | |
478 | ||
479 | TTUBS *v0R3 = new TTUBS("V0R3", "V0R3", "void", partubs[0], partubs[1], partubs[2], | |
480 | partubs[3], partubs[4]); | |
481 | v0R3->SetNumberOfDivisions(ndiv); | |
482 | ||
483 | partubs[3] = 112.5-22.5; | |
484 | partubs[4] = 135.0-22.5; | |
485 | ||
486 | TTUBS *v0R4 = new TTUBS("V0R4", "V0R4", "void", partubs[0], partubs[1], partubs[2], | |
487 | partubs[3], partubs[4]); | |
488 | v0R4->SetNumberOfDivisions(ndiv); | |
489 | ||
490 | // Ring 4 : | |
491 | ||
492 | partubs[0] = r3Right; | |
493 | partubs[1] = r4Right; | |
494 | partubs[3] = 90.0-22.5; | |
495 | partubs[4] = 112.5-22.5; | |
496 | ||
497 | TTUBS *v0R5 = new TTUBS("V0R5", "V0R5", "void", partubs[0], partubs[1], partubs[2], | |
498 | partubs[3], partubs[4]); | |
499 | v0R5->SetNumberOfDivisions(ndiv); | |
500 | ||
501 | partubs[3] = 112.5-22.5; | |
502 | partubs[4] = 135.0-22.5; | |
503 | ||
504 | TTUBS *v0R6 = new TTUBS("V0R6", "V0R6", "void", partubs[0], partubs[1], partubs[2], | |
505 | partubs[3], partubs[4]); | |
506 | v0R6->SetNumberOfDivisions(ndiv); | |
507 | ||
508 | Float_t phi; | |
509 | Float_t phiDeg= 180./4.; | |
510 | ||
511 | Int_t ndetR = 1; | |
512 | ||
513 | char nameNode[12]; | |
514 | ||
515 | for (phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
516 | ||
517 | { | |
518 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
519 | ||
520 | sprintf(nameNode,"SUBDER%d",ndetR); | |
521 | ||
522 | v0Rnode->cd(); | |
523 | v0Rnode0 = new TNode(nameNode,nameNode,v0R0,0.0,0.0, 0.0,mat920); | |
524 | v0Rnode0->SetLineColor(kYellow); | |
525 | fNodes->Add(v0Rnode0); | |
526 | ndetR++; | |
527 | ||
528 | sprintf(nameNode,"SUBDER%d",ndetR); | |
529 | v0Rnode0->cd(); | |
530 | v0Rnode1 = new TNode(nameNode,nameNode,v0R1,0.0,0.0, -offset ,0); | |
531 | v0Rnode1->SetLineColor(kColorVZERO); | |
532 | fNodes->Add(v0Rnode1); | |
533 | ndetR++; | |
534 | ||
535 | sprintf(nameNode,"SUBDER%d",ndetR); | |
536 | v0Rnode0->cd(); | |
537 | v0Rnode2 = new TNode(nameNode,nameNode,v0R2,0.0,0.0, -offset + offsetFibers,0); | |
538 | v0Rnode2->SetLineColor(kColorVZERO); | |
539 | fNodes->Add(v0Rnode2); | |
540 | ndetR++; | |
541 | ||
542 | sprintf(nameNode,"SUBDER%d",ndetR); | |
543 | v0Rnode0->cd(); | |
544 | v0Rnode3 = new TNode(nameNode,nameNode,v0R3,0.0,0.0, -offset + 2.0*offsetFibers,0); | |
545 | v0Rnode3->SetLineColor(kColorVZERO); | |
546 | fNodes->Add(v0Rnode3); | |
547 | ndetR++; | |
548 | ||
549 | sprintf(nameNode,"SUBDER%d",ndetR); | |
550 | v0Rnode0->cd(); | |
551 | v0Rnode4 = new TNode(nameNode,nameNode,v0R4,0.0,0.0, -offset + 2.0*offsetFibers,0); | |
552 | v0Rnode4->SetLineColor(kColorVZERO); | |
553 | fNodes->Add(v0Rnode4); | |
554 | ndetR++; | |
555 | ||
556 | sprintf(nameNode,"SUBDER%d",ndetR); | |
557 | v0Rnode0->cd(); | |
558 | v0Rnode5 = new TNode(nameNode,nameNode,v0R5,0.0,0.0, -offset + 2.0*offsetFibers,0); | |
559 | v0Rnode5->SetLineColor(kColorVZERO); | |
560 | fNodes->Add(v0Rnode5); | |
561 | ndetR++; | |
562 | ||
563 | sprintf(nameNode,"SUBDER%d",ndetR); | |
564 | v0Rnode0->cd(); | |
565 | v0Rnode6 = new TNode(nameNode,nameNode,v0R6,0.0,0.0, -offset + 2.0*offsetFibers,0); | |
566 | v0Rnode6->SetLineColor(kColorVZERO); | |
567 | fNodes->Add(v0Rnode6); | |
568 | ndetR++; | |
569 | ||
570 | v0Rnode0->SetVisibility(2); | |
571 | } | |
572 | ||
573 | // Left side of VZERO : | |
574 | ||
575 | Float_t r0Left = 4.3; | |
576 | Float_t height1Left = 3.3; | |
577 | Float_t height2Left = 6.2; | |
578 | Float_t height3Left = 8.9; | |
579 | Float_t height4Left = 20.9; | |
580 | Float_t heightLeft = height1Left + height2Left + height3Left + height4Left; | |
581 | ||
582 | Float_t r4Left = r0Left + heightLeft; | |
583 | ||
584 | partube[0] = r0Left; | |
585 | partube[1] = r4Left; | |
586 | partube[2] = fThickness1/2.0; | |
587 | ||
588 | TTUBE *v0LE = new TTUBE("V0LE", "V0LE", "void", partube[0], partube[1], partube[2]); | |
589 | ||
590 | top->cd(); | |
591 | ||
592 | v0Lnode = new TNode("V0LE","V0LE",v0LE,0.0,0.0,339.0+fThickness1/2.0,0); | |
593 | ||
594 | v0Lnode->SetLineColor(kBlue); | |
595 | fNodes->Add(v0Lnode); | |
596 | ||
597 | v0Lnode->SetVisibility(2); | |
598 | ||
599 | partubs[0] = r0Left; | |
600 | partubs[1] = r4Left; | |
601 | partubs[2] = fThickness1/2.0; | |
602 | partubs[3] = 90.0-22.5; | |
603 | partubs[4] = 135.0-22.5; | |
604 | ||
605 | TTUBS *v0L0 = new TTUBS("V0L0", "V0L0", "void", partubs[0], partubs[1], partubs[2], | |
606 | partubs[3], partubs[4]); | |
607 | ||
608 | v0L0->SetNumberOfDivisions(ndiv); | |
609 | v0L0->SetLineColor(7); | |
610 | ||
611 | Float_t offsetLeft; | |
612 | offsetLeft = - fThickness1/2.0; | |
613 | ||
614 | Float_t r1Left = r0Left + height1Left; | |
615 | ||
616 | partubs[0] = r0Left; | |
617 | partubs[1] = r1Left; | |
618 | ||
619 | TTUBS *v0L1 = new TTUBS("V0L1", "V0L1", "void", partubs[0], partubs[1], partubs[2], | |
620 | partubs[3], partubs[4]); | |
621 | v0L1->SetNumberOfDivisions(ndiv); | |
622 | ||
623 | Float_t r2Left = r1Left + height2Left; | |
624 | ||
625 | partubs[0] = r1Left; | |
626 | partubs[1] = r2Left; | |
627 | ||
628 | TTUBS *v0L2 = new TTUBS("V0L2", "V0L2", "void", partubs[0], partubs[1], partubs[2], | |
629 | partubs[3], partubs[4]); | |
630 | v0L2->SetNumberOfDivisions(ndiv); | |
631 | ||
632 | Float_t r3Left = r2Left + height3Left; | |
633 | ||
634 | partubs[0] = r2Left; | |
635 | partubs[1] = r3Left; | |
636 | ||
637 | TTUBS *v0L3 = new TTUBS("V0L3", "V0L3", "void", partubs[0], partubs[1], partubs[2], | |
638 | partubs[3], partubs[4]); | |
639 | v0L3->SetNumberOfDivisions(ndiv); | |
640 | ||
641 | partubs[0] = r3Left; | |
642 | partubs[1] = r4Left; | |
643 | ||
644 | TTUBS *v0L4 = new TTUBS("V0L4", "V0L4", "void", partubs[0], partubs[1], partubs[2], | |
645 | partubs[3], partubs[4]); | |
646 | v0L4->SetNumberOfDivisions(ndiv); | |
647 | ||
648 | Int_t ndetL = 1; | |
649 | ||
650 | for (phi = 22.5; phi < 360.0; phi = phi + phiDeg) | |
651 | ||
652 | { | |
653 | ||
654 | TRotMatrix* mat920 = new TRotMatrix("rot920","rot920", 90.0, +phi, 90., 90.+phi, 0.0, 0.0 ); | |
655 | ||
656 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
657 | ||
658 | v0Lnode->cd(); | |
659 | v0Lnode0 = new TNode(nameNode,nameNode,v0L0,0.0,0.0, offsetLeft + halfThickQua,mat920); | |
660 | v0Lnode0->SetLineColor(kColorVZERO); | |
661 | fNodes->Add(v0Lnode0); | |
662 | ndetL++; | |
663 | ||
664 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
665 | v0Lnode0->cd(); | |
666 | v0Lnode1 = new TNode(nameNode,nameNode,v0L1,0.0,0.0, 0.0,0); | |
667 | v0Lnode1->SetLineColor(kColorVZERO); | |
668 | fNodes->Add(v0Lnode1); | |
669 | ndetL++; | |
670 | ||
671 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
672 | v0Lnode0->cd(); | |
673 | v0Lnode2 = new TNode(nameNode,nameNode,v0L2,0.0,0.0, 0.0,0); | |
674 | v0Lnode2->SetLineColor(kColorVZERO); | |
675 | fNodes->Add(v0Lnode2); | |
676 | ndetL++; | |
677 | ||
678 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
679 | v0Lnode0->cd(); | |
680 | v0Lnode3 = new TNode(nameNode,nameNode,v0L3,0.0,0.0, 0.0,0); | |
681 | v0Lnode3->SetLineColor(kColorVZERO); | |
682 | fNodes->Add(v0Lnode3); | |
683 | ndetL++; | |
684 | ||
685 | sprintf(nameNode,"SUBDEL%d",ndetL); | |
686 | v0Lnode0->cd(); | |
687 | v0Lnode4 = new TNode(nameNode,nameNode,v0L4,0.0,0.0, 0.0,0); | |
688 | v0Lnode4->SetLineColor(kColorVZERO); | |
689 | fNodes->Add(v0Lnode4); | |
690 | ndetL++; | |
691 | ||
692 | v0Lnode0->SetVisibility(2); | |
693 | } | |
694 | } | |
695 | ||
696 | //_____________________________________________________________________________ | |
697 | void AliVZEROv5::CreateMaterials() | |
698 | { | |
699 | ||
700 | // Creates materials used for geometry | |
701 | ||
254ef8f1 | 702 | AliDebug(2,"Create materials"); |
f4f76f65 | 703 | |
704 | /* | |
705 | 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, | |
706 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
707 | ||
708 | ||
709 | 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, | |
710 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
711 | ||
712 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
713 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
714 | 1.662295, 1.68337 }; | |
715 | ||
716 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
717 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
718 | ||
719 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
720 | ||
721 | ||
722 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
723 | ||
724 | ||
725 | 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, | |
726 | 1e-4,1e-4,1e-4,1e-4 }; | |
727 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
728 | ||
729 | */ | |
730 | ||
731 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
732 | ||
f4f76f65 | 733 | |
734 | // Parameters related to Quarz (SiO2) : | |
735 | ||
736 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
737 | Int_t nlmatqua; | |
738 | ||
739 | aqua[0] = 28.09; | |
740 | aqua[1] = 16.; | |
741 | zqua[0] = 14.; | |
742 | zqua[1] = 8.; | |
743 | densqua = 2.64; | |
744 | nlmatqua = -2; | |
745 | wmatqua[0] = 1.; | |
746 | wmatqua[1] = 2.; | |
747 | ||
748 | // Parameters related to aluminum sheets : | |
749 | ||
750 | Float_t aal = 26.98; | |
751 | Float_t zal = 13.00; | |
752 | Float_t densal= 2.7; | |
753 | Float_t radlal= 8.9; | |
754 | ||
755 | // Parameters related to scintillator CH : | |
756 | ||
757 | Float_t ascin[2] = {1.00794,12.011}; | |
758 | Float_t zscin[2] = {1.,6.}; | |
759 | Float_t wscin[2] = {1.,1.}; | |
760 | Float_t denscin = 1.032; | |
761 | ||
b84cd1d5 | 762 | // AIR |
763 | ||
764 | Float_t aAir[4]={12.,14.,16.,36.}; | |
765 | Float_t zAir[4]={6.,7.,8.,18.}; | |
766 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
767 | Float_t dAir = 1.20479E-3; | |
768 | ||
f4f76f65 | 769 | // Definition of materials : |
770 | ||
b84cd1d5 | 771 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); |
772 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
f4f76f65 | 773 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
774 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
775 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
776 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
777 | ||
778 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
779 | ||
780 | ||
781 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
782 | Float_t sXMGMX = gAlice->Field()->Max(); | |
783 | ||
784 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
785 | ||
786 | tmaxfd = 10.; | |
787 | stemax = 0.1; | |
788 | deemax = 0.1; | |
789 | epsil = 0.001; | |
790 | stmin = 0.001; | |
791 | ||
792 | // Active Air : | |
793 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, | |
794 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
795 | ||
796 | // Inactive air : | |
797 | ||
798 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, | |
799 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
800 | ||
801 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, | |
802 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); | |
803 | ||
804 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, | |
805 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); | |
806 | ||
807 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, | |
808 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
809 | ||
810 | ||
811 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, | |
812 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); | |
813 | ||
814 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); | |
815 | ||
816 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
817 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
818 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
819 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
820 | ||
821 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
822 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
823 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
824 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
825 | ||
826 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
827 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
828 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
829 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
830 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
831 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
832 | ||
833 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
834 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
835 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
836 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
837 | ||
838 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
839 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
840 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
841 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
842 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
843 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
844 | ||
845 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
846 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
847 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
848 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
849 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
850 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
851 | ||
852 | ||
853 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
854 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
855 | ||
856 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
857 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
858 | ||
859 | } | |
860 | ||
861 | //_____________________________________________________________________________ | |
ba380e33 | 862 | void AliVZEROv5::DrawModule() const |
f4f76f65 | 863 | { |
864 | ||
865 | // Drawing is done in DrawVZERO.C | |
866 | ||
254ef8f1 | 867 | AliDebug(2,"DrawModule"); |
f4f76f65 | 868 | } |
869 | ||
870 | //_____________________________________________________________________________ | |
871 | void AliVZEROv5::Init() | |
872 | { | |
873 | // Initialises version 2 of the VZERO Detector | |
874 | // Just prints an information message | |
875 | ||
254ef8f1 | 876 | AliInfo(Form("VZERO version %d initialized \n",IsVersion())); |
f4f76f65 | 877 | |
878 | // gMC->SetMaxStep(fMaxStepAlu); | |
879 | // gMC->SetMaxStep(fMaxStepQua); | |
880 | ||
881 | AliVZERO::Init(); | |
882 | } | |
883 | ||
884 | //_____________________________________________________________________________ | |
885 | void AliVZEROv5::StepManager() | |
886 | { | |
887 | ||
888 | // Step Manager, called at each step | |
889 | ||
890 | Int_t copy; | |
891 | static Int_t vol[4]; | |
892 | static Float_t hits[21]; | |
893 | static Float_t eloss, tlength; | |
894 | static Int_t nPhotonsInStep; | |
895 | static Int_t nPhotons; | |
896 | static Int_t numStep; | |
897 | Float_t ringNumber; | |
898 | Float_t destep, step; | |
899 | ||
900 | numStep += 1; | |
901 | ||
902 | // We keep only charged tracks : | |
903 | ||
904 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
905 | ||
906 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
907 | vol[2] = gMC->CurrentVolID(copy); | |
908 | vol[3] = copy; | |
909 | ||
d6fb41ac | 910 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
911 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
912 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
913 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
914 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
915 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
916 | static Int_t idV0R4 = gMC->VolId("V0R4"); | |
917 | static Int_t idV0L4 = gMC->VolId("V0L4"); | |
918 | static Int_t idV0R5 = gMC->VolId("V0R5"); | |
919 | static Int_t idV0R6 = gMC->VolId("V0R6"); | |
920 | ||
921 | if ( gMC->CurrentVolID(copy) == idV0R1 || | |
922 | gMC->CurrentVolID(copy) == idV0L1 ) | |
f4f76f65 | 923 | ringNumber = 1.0; |
d6fb41ac | 924 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
925 | gMC->CurrentVolID(copy) == idV0L2 ) | |
f4f76f65 | 926 | ringNumber = 2.0; |
d6fb41ac | 927 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
928 | gMC->CurrentVolID(copy) == idV0R4 || | |
929 | gMC->CurrentVolID(copy) == idV0L3 ) | |
f4f76f65 | 930 | ringNumber = 3.0; |
d6fb41ac | 931 | else if ( gMC->CurrentVolID(copy) == idV0R5 || |
932 | gMC->CurrentVolID(copy) == idV0R6 || | |
933 | gMC->CurrentVolID(copy) == idV0L4 ) | |
f4f76f65 | 934 | ringNumber = 4.0; |
935 | else | |
936 | ringNumber = 0.0; | |
937 | ||
938 | if ( ringNumber > 0.5 ) { | |
939 | ||
940 | destep = gMC->Edep(); | |
941 | step = gMC->TrackStep(); | |
942 | ||
943 | nPhotonsInStep = Int_t(destep / (fLightYield *1e-9) ); | |
944 | nPhotonsInStep = gRandom->Poisson(nPhotonsInStep); | |
945 | ||
946 | eloss += destep; | |
947 | tlength += step; | |
948 | ||
949 | if ( gMC->IsTrackEntering() ) { | |
950 | ||
951 | nPhotons = nPhotonsInStep; | |
952 | gMC->TrackPosition(fTrackPosition); | |
953 | gMC->TrackMomentum(fTrackMomentum); | |
954 | ||
955 | Float_t pt = TMath::Sqrt( fTrackMomentum.Px() * fTrackMomentum.Px() + | |
956 | fTrackMomentum.Py() * fTrackMomentum.Py() ); | |
957 | ||
958 | hits[0] = fTrackPosition.X(); | |
959 | hits[1] = fTrackPosition.Y(); | |
960 | hits[2] = fTrackPosition.Z(); | |
961 | hits[3] = Float_t (gMC->TrackPid()); | |
962 | ||
963 | hits[4] = gMC->TrackTime(); | |
964 | hits[5] = gMC->TrackCharge(); | |
965 | hits[6] = fTrackMomentum.Theta()*TMath::RadToDeg(); | |
966 | hits[7] = fTrackMomentum.Phi()*TMath::RadToDeg(); | |
967 | hits[8] = ringNumber; | |
968 | ||
969 | hits[9] = pt; | |
970 | hits[10] = fTrackMomentum.P(); | |
971 | hits[11] = fTrackMomentum.Px(); | |
972 | hits[12] = fTrackMomentum.Py(); | |
973 | hits[13] = fTrackMomentum.Pz(); | |
974 | ||
975 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
976 | hits[14] = par->Vx(); | |
977 | hits[15] = par->Vy(); | |
978 | hits[16] = par->Vz(); | |
979 | ||
980 | tlength = 0.0; | |
981 | eloss = 0.0; | |
982 | } | |
983 | ||
984 | nPhotons = nPhotons + nPhotonsInStep; | |
985 | ||
986 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
987 | ||
988 | nPhotons = nPhotons - Int_t((Float_t(nPhotons) * fLightAttenuation * fnMeters)); | |
989 | nPhotons = nPhotons - Int_t( Float_t(nPhotons) * fFibToPhot); | |
990 | ||
991 | hits[17] = eloss; | |
992 | hits[18] = tlength; | |
993 | hits[19] = nPhotons; | |
994 | hits[20] = GetCellId (vol, hits); | |
995 | ||
996 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); | |
997 | ||
998 | tlength = 0.0; | |
999 | eloss = 0.0; | |
1000 | nPhotons = 0; | |
1001 | nPhotonsInStep = 0; | |
1002 | ||
1003 | numStep = 0; | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | } | |
1008 | ||
1009 | //_____________________________________________________________________________ | |
1010 | void AliVZEROv5::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
1011 | { | |
1012 | ||
1013 | // Adds a VZERO hit | |
1014 | ||
1015 | TClonesArray &lhits = *fHits; | |
1016 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
1017 | } | |
1018 | ||
1019 | //_____________________________________________________________________________ | |
1020 | void AliVZEROv5::AddDigits(Int_t *tracks, Int_t* digits) | |
1021 | { | |
1022 | ||
1023 | // Adds a VZERO digit | |
1024 | ||
1025 | TClonesArray &ldigits = *fDigits; | |
1026 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
1027 | } | |
1028 | ||
1029 | //_____________________________________________________________________________ | |
1030 | void AliVZEROv5::MakeBranch(Option_t *option) | |
1031 | { | |
1032 | ||
1033 | // Creates new branches in the current Root Tree | |
1034 | ||
1035 | char branchname[10]; | |
1036 | sprintf(branchname,"%s",GetName()); | |
254ef8f1 | 1037 | AliDebug(2,Form("fBufferSize = %d",fBufferSize)); |
f4f76f65 | 1038 | |
1039 | const char *cH = strstr(option,"H"); | |
1040 | ||
1041 | if (fHits && TreeH() && cH) { | |
1042 | TreeH()->Branch(branchname,&fHits, fBufferSize); | |
254ef8f1 | 1043 | AliDebug(2,Form("Making Branch %s for hits",branchname)); |
f4f76f65 | 1044 | } |
1045 | ||
1046 | const char *cD = strstr(option,"D"); | |
1047 | ||
1048 | if (fDigits && fLoader->TreeD() && cD) { | |
1049 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); | |
254ef8f1 | 1050 | AliDebug(2,Form("Making Branch %s for digits",branchname)); |
f4f76f65 | 1051 | } |
1052 | ||
1053 | } | |
1054 | ||
1055 | //_____________________________________________________________________________ | |
1056 | Int_t AliVZEROv5::GetCellId(Int_t *vol, Float_t *hits) | |
1057 | { | |
1058 | ||
1059 | // Returns Id of scintillator cell | |
1060 | // Right side from 0 to 47 | |
1061 | // Left side from 48 to 95 | |
1062 | ||
1063 | // hits[8] = ring number (1 to 4) | |
1064 | // vol[1] = copy number (1 to 8) | |
1065 | ||
1066 | Int_t index = vol[1]; | |
1067 | Int_t RingNumber = Int_t(hits[8]); | |
1068 | fCellId = 0; | |
1069 | ||
1070 | // cout << "volID = " << vol[0] << " copy = " << vol[1] << endl; | |
1071 | // cout << "X = " << hits[0] << " Y = " << hits[1] << endl; | |
1072 | ||
1073 | Float_t phi = Float_t(TMath::ATan2(Double_t(hits[1]),Double_t(hits[0])) ); | |
1074 | Float_t kRaddeg = 180.0/TMath::Pi(); | |
1075 | phi = kRaddeg * phi; | |
1076 | ||
1077 | if (index < 7) index = index + 8; | |
1078 | ||
1079 | if (hits[2] < 0.0) { | |
1080 | if(RingNumber < 3) { | |
1081 | index = (index - 7) + ( ( RingNumber - 1 ) * 8);} | |
1082 | else if(RingNumber >= 3){ | |
1083 | if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R3")|| | |
1084 | gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R5") ) | |
1085 | {index = (index*2 - 14) + ( ( RingNumber - 2 ) * 16); } | |
1086 | if(gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R4")|| | |
1087 | gMC->CurrentVolID(vol[1]) == gMC->VolId("V0R6") ) | |
1088 | {index = (index*2 - 13) + ( ( RingNumber - 2 ) * 16); } | |
1089 | } | |
1090 | fCellId = index; | |
1091 | } | |
1092 | ||
1093 | else if (hits[2] > 0.0){ | |
1094 | index = (index - 7 + 48) + ( ( RingNumber - 1 ) * 8); | |
1095 | fCellId = index;} | |
1096 | ||
1097 | // cout << " ring = " << RingNumber << " phi = "<< phi << endl; | |
1098 | // cout << " cellID = " << fCellId << endl; | |
1099 | // cout << "**********" << endl; | |
1100 | ||
1101 | return fCellId; | |
1102 | ||
1103 | ||
1104 | } |