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47d9b1cb | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
47d9b1cb | 17 | |
18 | ////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // (V-zero) detector version 2 as designed by the Lyon group // | |
21 | // All comments should be sent to Brigitte CHEYNIS : // | |
22 | // b.cheynis@ipnl.in2p3.fr // | |
2f77b146 | 23 | // Geometry of the 26th of november 2003 // |
47d9b1cb | 24 | // (circular instead of trapezoidal shapes as in previous versions // |
2f77b146 | 25 | // plus changes in cell dimensions and offsets) : // |
26 | // Scintillating cells are now 2 cm thick instead of 0.7 cm // | |
27 | // V0R sits between Z values -89.4 and -85.0 cm // | |
28 | // V0L sits between Z values +350.0 and +352.0 cm // | |
29 | // New coordinate system has been implemented in october 2003 // | |
47d9b1cb | 30 | // // |
31 | ////////////////////////////////////////////////////////////////////// | |
32 | ||
f359b593 | 33 | // --- Standard libraries --- |
88cb7938 | 34 | #include <Riostream.h> |
35 | #include <stdlib.h> | |
36 | #include <string.h> | |
37 | ||
f359b593 | 38 | // --- ROOT libraries --- |
88cb7938 | 39 | #include <TClonesArray.h> |
f7a1cc68 | 40 | #include <TGeoGlobalMagField.h> |
88cb7938 | 41 | #include <TLorentzVector.h> |
42 | #include <TMath.h> | |
88cb7938 | 43 | #include <TObjectTable.h> |
88cb7938 | 44 | #include <TParticle.h> |
f7a1cc68 | 45 | #include <TVirtualMC.h> |
47d9b1cb | 46 | |
f359b593 | 47 | // --- AliRoot header files --- |
b2501ea3 | 48 | #include "AliRun.h" |
49 | #include "AliMC.h" | |
9a5d59b6 | 50 | #include "AliConst.h" |
254ef8f1 | 51 | #include "AliLog.h" |
47d9b1cb | 52 | #include "AliMagF.h" |
f359b593 | 53 | #include "AliVZEROLoader.h" |
47d9b1cb | 54 | #include "AliVZEROdigit.h" |
88cb7938 | 55 | #include "AliVZEROhit.h" |
56 | #include "AliVZEROv2.h" | |
47d9b1cb | 57 | |
58 | ClassImp(AliVZEROv2) | |
59 | ||
b2501ea3 | 60 | //_____________________________________________________________________________ |
47d9b1cb | 61 | AliVZEROv2:: AliVZEROv2():AliVZERO() |
62 | { | |
f359b593 | 63 | // Standard default constructor |
47d9b1cb | 64 | } |
b2501ea3 | 65 | |
66 | //_____________________________________________________________________________ | |
47d9b1cb | 67 | AliVZEROv2::AliVZEROv2(const char *name, const char *title): |
68 | AliVZERO(name,title) | |
69 | { | |
70 | ||
f359b593 | 71 | // Standard constructor for V-zero Detector version 2 |
47d9b1cb | 72 | |
254ef8f1 | 73 | AliDebug(2,"Create VZERO object"); |
47d9b1cb | 74 | |
75 | } | |
76 | ||
b2501ea3 | 77 | //_____________________________________________________________________________ |
47d9b1cb | 78 | void AliVZEROv2::CreateGeometry() |
79 | { | |
80 | ||
81 | // Creates the GEANT geometry of the V-zero Detector version 2 | |
47d9b1cb | 82 | |
254ef8f1 | 83 | AliDebug(2,"Create VZERO Geometry"); |
c288a388 | 84 | |
47d9b1cb | 85 | Int_t *idtmed = fIdtmed->GetArray()-2999; |
86 | ||
f359b593 | 87 | Int_t ndetR = 1; |
88 | Int_t ndetL = 1; | |
47d9b1cb | 89 | |
f359b593 | 90 | Int_t ncellsR = 1; |
91 | Int_t ncellsL = 1; | |
47d9b1cb | 92 | |
93 | Int_t idrotm[999]; | |
94 | ||
95 | Float_t height1, height2, height3, height4, height5; | |
96 | Float_t height; | |
97 | Float_t theta; | |
98 | ||
f359b593 | 99 | Float_t halfThickQua; |
47d9b1cb | 100 | |
101 | Float_t zdet; | |
102 | Float_t r0, r5; | |
103 | Float_t pi = TMath::Pi(); | |
c288a388 | 104 | |
b2501ea3 | 105 | height1 = 1.82; // height of cell 1, in cm |
106 | height2 = 3.81; // height of cell 2, in cm | |
107 | height3 = 4.72; // height of cell 3, in cm | |
108 | height4 = 7.12; // height of cell 4, in cm | |
109 | height5 = 10.83; // height of cell 5, in cm | |
47d9b1cb | 110 | |
b2501ea3 | 111 | theta = pi/6.0/2.0; // half angular opening = 15 degrees |
c288a388 | 112 | |
b2501ea3 | 113 | halfThickQua= fThickness1/2.0; // half thickness of elementary cell (inner ring) |
2f77b146 | 114 | |
115 | // distance 0.6 cm in zdet accounts for the fact V0R box back lid sits 0.6 away from | |
116 | // absorber nose sitting at 90 cm. Will use -zdet later... | |
117 | ||
118 | zdet = 90.0 - 0.6 -fThickness/2.0; // distance to vertex (along Z axis) | |
b2501ea3 | 119 | r0 = 4.05; // closest distance to center of the beam pipe |
120 | height = height1 + height2 + height3 + height4 + height5; | |
121 | r5 = r0 + height; | |
47d9b1cb | 122 | |
f359b593 | 123 | // Creation of mother volume v0LE - left part - : |
9a5d59b6 | 124 | // Entrance face at +350.0 cm (new coordinate system) ... |
47d9b1cb | 125 | |
126 | Float_t partube[3]; | |
127 | ||
128 | partube[0] = 4.3; | |
129 | partube[1] = 45.0; | |
130 | partube[2] = fThickness1/2.0; | |
131 | ||
132 | gMC->Gsvolu("V0LE","TUBE",idtmed[3005],partube,3); | |
c288a388 | 133 | |
47d9b1cb | 134 | // Creation of five rings - left part - : |
9a5d59b6 | 135 | // Entrance face at +350.0 cm (new coordinate system) ... |
47d9b1cb | 136 | |
f359b593 | 137 | // Mother volume v0L0 in which will be set 5 scintillator cells |
47d9b1cb | 138 | |
47d9b1cb | 139 | Float_t partubs[5]; |
140 | ||
f359b593 | 141 | Float_t r0Left = 4.3; |
142 | Float_t height1Left = 2.6; | |
143 | Float_t height2Left = 4.1; | |
144 | Float_t height3Left = 6.4; | |
145 | Float_t height4Left = 10.2; | |
146 | Float_t height5Left = 16.9; | |
147 | Float_t heightLeft = height1Left + height2Left + height3Left | |
148 | + height4Left + height5Left; | |
149 | Float_t r5Left = r0Left + heightLeft; | |
150 | ||
151 | partubs[0] = r0Left; | |
152 | partubs[1] = r5Left; | |
47d9b1cb | 153 | partubs[2] = fThickness1/2.0; |
154 | partubs[3] = 90.0-15.0; | |
155 | partubs[4] = 120.0-15.0; | |
156 | ||
157 | gMC->Gsvolu("V0L0","TUBS",idtmed[3010],partubs,5); // air volume | |
158 | ||
f359b593 | 159 | Float_t r1Left = r0Left + height1Left; |
47d9b1cb | 160 | |
f359b593 | 161 | partubs[0] = r0Left; |
162 | partubs[1] = r1Left; | |
47d9b1cb | 163 | |
164 | gMC->Gsvolu("V0L1","TUBS",idtmed[3005],partubs,5); // quartz volume | |
165 | gMC->Gspos("V0L1",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
166 | ||
f359b593 | 167 | Float_t r2Left = r1Left + height2Left; |
47d9b1cb | 168 | |
f359b593 | 169 | partubs[0] = r1Left; |
170 | partubs[1] = r2Left; | |
47d9b1cb | 171 | |
172 | gMC->Gsvolu("V0L2","TUBS",idtmed[3005],partubs,5); // quartz volume | |
173 | gMC->Gspos("V0L2",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
174 | ||
f359b593 | 175 | Float_t r3Left = r2Left + height3Left; |
47d9b1cb | 176 | |
f359b593 | 177 | partubs[0] = r2Left; |
178 | partubs[1] = r3Left; | |
47d9b1cb | 179 | |
180 | gMC->Gsvolu("V0L3","TUBS",idtmed[3005],partubs,5); // quartz volume | |
181 | gMC->Gspos("V0L3",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
182 | ||
f359b593 | 183 | Float_t r4Left = r3Left + height4Left; |
47d9b1cb | 184 | |
f359b593 | 185 | partubs[0] = r3Left; |
186 | partubs[1] = r4Left; | |
47d9b1cb | 187 | |
47d9b1cb | 188 | gMC->Gsvolu("V0L4","TUBS",idtmed[3005],partubs,5); // quartz volume |
189 | gMC->Gspos("V0L4",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
190 | ||
f359b593 | 191 | partubs[0] = r4Left; |
192 | partubs[1] = r5Left; | |
47d9b1cb | 193 | partubs[3] = 90.0-15.0; |
194 | partubs[4] = 120.0-30.0; | |
195 | ||
47d9b1cb | 196 | gMC->Gsvolu("V0L5","TUBS",idtmed[3005],partubs,5); // quartz volume |
197 | gMC->Gspos("V0L5",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
198 | ||
47d9b1cb | 199 | partubs[3] = 120.0-30.0; |
200 | partubs[4] = 120.0-15.0; | |
201 | ||
47d9b1cb | 202 | gMC->Gsvolu("V0L6","TUBS",idtmed[3005],partubs,5); // quartz volume |
203 | gMC->Gspos("V0L6",1,"V0L0", 0.0, 0.0 , 0.0, 0,"ONLY"); | |
204 | ||
205 | ||
f359b593 | 206 | // Creation of mother volume v0RI - right part - : |
47d9b1cb | 207 | |
208 | partube[0] = r0 - 0.2; | |
209 | partube[1] = r5 + 1.0; | |
210 | partube[2] = fThickness/2.0; | |
c288a388 | 211 | |
47d9b1cb | 212 | gMC->Gsvolu("V0RI","TUBE",idtmed[3010],partube,3); |
213 | ||
2f77b146 | 214 | // Creation of carbon lids (2 mm thick) to keep v0RI box shut... |
215 | ||
216 | Float_t lidThickness = 0.2; | |
47d9b1cb | 217 | |
218 | partube[0] = r0; | |
219 | partube[1] = r5; | |
2f77b146 | 220 | partube[2] = +lidThickness/2.0; |
c288a388 | 221 | |
47d9b1cb | 222 | gMC->Gsvolu("V0CA","TUBE",idtmed[3001],partube,3); |
223 | gMC->Gspos("V0CA",1,"V0RI",0.0,0.0, fThickness/2.0-partube[2],0,"ONLY"); | |
224 | gMC->Gspos("V0CA",2,"V0RI",0.0,0.0,-fThickness/2.0+partube[2],0,"ONLY"); | |
225 | ||
f359b593 | 226 | // Creation of aluminum rings to maintain the v0RI pieces ... |
47d9b1cb | 227 | |
228 | partube[0] = r0 - 0.2; | |
229 | partube[1] = r0; | |
230 | partube[2] = +fThickness/2.0; | |
c288a388 | 231 | |
47d9b1cb | 232 | gMC->Gsvolu("V0IR","TUBE",idtmed[3003],partube,3); |
233 | gMC->Gspos("V0IR",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
234 | ||
235 | partube[0] = r5; | |
236 | partube[1] = r5 + 1.0; | |
237 | partube[2] = +fThickness/2.0; | |
238 | ||
47d9b1cb | 239 | gMC->Gsvolu("V0ER","TUBE",idtmed[3003],partube,3); |
240 | gMC->Gspos("V0ER",1,"V0RI",0.0,0.0,0.0,0,"ONLY"); | |
241 | ||
f359b593 | 242 | // Mother volume v0R0 in which will be set 5 scintillator cells |
47d9b1cb | 243 | |
244 | partubs[0] = r0; | |
245 | partubs[1] = r5; | |
246 | partubs[2] = fThickness/2.0; | |
247 | partubs[3] = 90.0-15.0; | |
248 | partubs[4] = 120.0-15.0; | |
249 | ||
c288a388 | 250 | gMC->Gsvolu("V0R0","TUBS",idtmed[3010],partubs,5); // air volume |
47d9b1cb | 251 | |
252 | // Elementary cell of ring 1 : | |
2f77b146 | 253 | // (cells 2 and 3 will be shifted by 1 cm to output fibers) |
47d9b1cb | 254 | |
2f77b146 | 255 | Float_t offsetFibers = 1.0; |
256 | Float_t offset = fThickness/2.0 - lidThickness - fThickness1/2.0; | |
47d9b1cb | 257 | Float_t r1 = r0 + height1; |
258 | ||
259 | partubs[0] = r0; | |
260 | partubs[1] = r1; | |
261 | partubs[2] = fThickness1/2.0; | |
262 | ||
263 | gMC->Gsvolu("V0R1","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
9a5d59b6 | 264 | gMC->Gspos("V0R1",1,"V0R0", 0.0, 0.0 , -offset, 0,"ONLY"); |
47d9b1cb | 265 | |
266 | // Elementary cell of ring 2 : | |
267 | ||
268 | Float_t r2 = r1 + height2; | |
269 | ||
270 | partubs[0] = r1; | |
271 | partubs[1] = r2; | |
272 | ||
273 | gMC->Gsvolu("V0R2","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
f359b593 | 274 | gMC->Gspos("V0R2",1,"V0R0", 0.0, 0.0 , -offset + offsetFibers, 0,"ONLY"); |
47d9b1cb | 275 | |
276 | ||
277 | // Elementary cell of ring 3 : | |
278 | ||
279 | Float_t r3 = r2 + height3; | |
280 | ||
281 | partubs[0] = r2; | |
282 | partubs[1] = r3; | |
283 | ||
284 | gMC->Gsvolu("V0R3","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
f359b593 | 285 | gMC->Gspos("V0R3",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); |
47d9b1cb | 286 | |
287 | // Elementary cell of ring 4 : | |
288 | ||
289 | Float_t r4 = r3 + height4 ; | |
290 | ||
291 | partubs[0] = r3; | |
292 | partubs[1] = r4; | |
293 | ||
294 | gMC->Gsvolu("V0R4","TUBS",idtmed[3005],partubs,5); // scintillator volume | |
2f77b146 | 295 | gMC->Gspos("V0R4",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); |
47d9b1cb | 296 | |
297 | // Elementary cells of ring 5 : | |
298 | ||
299 | partubs[0] = r4; | |
300 | partubs[1] = r5; | |
301 | partubs[3] = 90.0-15.0; | |
302 | partubs[4] = 120.0-30.0; | |
303 | ||
47d9b1cb | 304 | gMC->Gsvolu("V0R5","TUBS",idtmed[3005],partubs,5); // scintillator volume |
2f77b146 | 305 | gMC->Gspos("V0R5",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); |
47d9b1cb | 306 | |
307 | partubs[3] = 120.0-30.0; | |
308 | partubs[4] = 120.0-15.0; | |
309 | ||
47d9b1cb | 310 | gMC->Gsvolu("V0R6","TUBS",idtmed[3005],partubs,5); // scintillator volume |
2f77b146 | 311 | gMC->Gspos("V0R6",1,"V0R0", 0.0, 0.0 , -offset + 2.0 * offsetFibers, 0,"ONLY"); |
c288a388 | 312 | |
f359b593 | 313 | Float_t phiDeg = 180./6.; |
47d9b1cb | 314 | |
315 | // Right part : | |
316 | ||
f359b593 | 317 | for(Float_t phi = 15.0; phi < 360.0; phi = phi + phiDeg) |
47d9b1cb | 318 | { |
319 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
f359b593 | 320 | gMC->Gspos("V0R0",ndetR,"V0RI",0.0, |
c288a388 | 321 | 0.0,0.0,idrotm[902],"ONLY"); |
f359b593 | 322 | ndetR++; |
47d9b1cb | 323 | } |
324 | ||
9a5d59b6 | 325 | gMC->Gspos("V0RI",1,"ALIC",0.0,0.0,-zdet,0,"ONLY"); |
47d9b1cb | 326 | |
f359b593 | 327 | ncellsR = (ndetR - 1) * 6; |
254ef8f1 | 328 | AliInfo(Form("Number of cells on Right side = %d", ncellsR)); |
47d9b1cb | 329 | |
330 | // Left part : | |
331 | ||
f359b593 | 332 | for(Float_t phi = 15.0; phi < 360.0; phi = phi + phiDeg) |
47d9b1cb | 333 | { |
334 | AliMatrix(idrotm[902], 90.0, phi, 90.0, 90.0 +phi, 0.0 , 0.0); | |
f359b593 | 335 | gMC->Gspos("V0L0",ndetL,"V0LE",0.0, |
47d9b1cb | 336 | 0.0,0.0,idrotm[902],"ONLY"); |
f359b593 | 337 | ndetL++; |
47d9b1cb | 338 | } |
339 | ||
9a5d59b6 | 340 | gMC->Gspos("V0LE",1,"ALIC",0.0,0.0,350.0+fThickness1/2.0,0,"ONLY"); |
47d9b1cb | 341 | |
f359b593 | 342 | ncellsL = (ndetL - 1) * 6; |
254ef8f1 | 343 | AliInfo(Form("Number of cells on Left side = %d", ncellsL)); |
c288a388 | 344 | |
7dd2cbe4 | 345 | } |
47d9b1cb | 346 | |
b2501ea3 | 347 | //_____________________________________________________________________________ |
47d9b1cb | 348 | void AliVZEROv2::CreateMaterials() |
349 | { | |
f359b593 | 350 | |
351 | // Creates materials used for geometry | |
352 | ||
254ef8f1 | 353 | AliDebug(2,"VZERO create materials"); |
47d9b1cb | 354 | |
355 | /* | |
356 | 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, | |
357 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
358 | ||
359 | ||
360 | 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, | |
361 | 6.9e-9, 7.1e-9, 7.3e-9, 7.5e-9, 7.7e-9, 7.9e-9, 8.1e-9 }; | |
362 | ||
363 | Float_t rindex_quarz[14] = { 1.52398, 1.53090, 1.53835, 1.54641, 1.55513, 1.56458, | |
364 | 1.57488, 1.58611, 1.59842, 1.61197, 1.62696, 1.64362, | |
365 | 1.662295, 1.68337 }; | |
366 | ||
367 | Float_t absco_quarz[14] = { 105.8, 45.656, 35.665, 28.598, 25.007, 21.04, 17.525, | |
368 | 14.177, 9.282, 4.0925, 1.149, 0.3627, 0.1497, 0.05 }; | |
369 | ||
370 | Float_t effic_all[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
371 | ||
372 | ||
373 | Float_t rindex_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
374 | ||
375 | ||
376 | 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, | |
377 | 1e-4,1e-4,1e-4,1e-4 }; | |
378 | Float_t effic_alu[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. }; | |
379 | ||
380 | */ | |
381 | ||
382 | Int_t *idtmed = fIdtmed->GetArray()-2999; | |
383 | ||
47d9b1cb | 384 | |
385 | // Parameters related to Quarz (SiO2) : | |
386 | ||
387 | Float_t aqua[2], zqua[2], densqua, wmatqua[2]; | |
388 | Int_t nlmatqua; | |
389 | ||
390 | aqua[0] = 28.09; | |
391 | aqua[1] = 16.; | |
392 | zqua[0] = 14.; | |
393 | zqua[1] = 8.; | |
394 | densqua = 2.64; | |
395 | nlmatqua = -2; | |
396 | wmatqua[0] = 1.; | |
397 | wmatqua[1] = 2.; | |
398 | ||
399 | // Parameters related to aluminum sheets : | |
400 | ||
401 | Float_t aal = 26.98; | |
402 | Float_t zal = 13.00; | |
403 | Float_t densal= 2.7; | |
404 | Float_t radlal= 8.9; | |
405 | ||
406 | // Parameters related to scintillator CH : | |
407 | ||
408 | Float_t ascin[2] = {1.00794,12.011}; | |
409 | Float_t zscin[2] = {1.,6.}; | |
410 | Float_t wscin[2] = {1.,1.}; | |
411 | Float_t denscin = 1.032; | |
25252ad5 | 412 | |
413 | // AIR | |
414 | ||
415 | Float_t aAir[4]={12.,14.,16.,36.}; | |
416 | Float_t zAir[4]={6.,7.,8.,18.}; | |
417 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
418 | Float_t dAir = 1.20479E-3; | |
419 | ||
47d9b1cb | 420 | // Definition of materials : |
421 | ||
25252ad5 | 422 | AliMixture( 1, "AIR A$", aAir,zAir,dAir,4,wAir); |
423 | AliMixture(11, "AIR I$", aAir,zAir,dAir,4,wAir); | |
47d9b1cb | 424 | AliMaterial( 2, "CARBON$" , 12.01, 6.0, 2.265, 18.8, 49.9, 0, 0); |
425 | AliMixture( 3, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua); | |
426 | AliMaterial( 4, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2, 0, 0); | |
427 | AliMaterial( 5, "ALUMINIUM2$", aal, zal, densal, radlal, 0, 0, 0); | |
428 | ||
429 | AliMixture( 6, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
430 | ||
431 | ||
f7a1cc68 | 432 | Int_t iSXFLD = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); // Field type |
433 | Float_t sXMGMX = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); // Field max. | |
47d9b1cb | 434 | |
435 | Float_t tmaxfd, stemax, deemax, epsil, stmin; | |
436 | ||
437 | tmaxfd = 10.; | |
438 | stemax = 0.1; | |
439 | deemax = 0.1; | |
440 | epsil = 0.001; | |
441 | stmin = 0.001; | |
442 | ||
443 | // Active Air : | |
f359b593 | 444 | AliMedium(1, "ACTIVE AIR$", 1, 1, iSXFLD, sXMGMX, |
47d9b1cb | 445 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
446 | ||
447 | // Inactive air : | |
448 | ||
f359b593 | 449 | AliMedium(11, "INACTIVE AIR$", 11, 0, iSXFLD, sXMGMX, |
47d9b1cb | 450 | 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
451 | ||
f359b593 | 452 | AliMedium(2, "CARBON$ ", 2, 1, iSXFLD, sXMGMX, |
47d9b1cb | 453 | tmaxfd, stemax, deemax, epsil, stmin, 0, 0); |
454 | ||
f359b593 | 455 | AliMedium(3, "QUARZ$", 3, 1, iSXFLD, sXMGMX, |
47d9b1cb | 456 | tmaxfd, fMaxStepQua, fMaxDestepQua, epsil, stmin, 0, 0); |
457 | ||
f359b593 | 458 | AliMedium(4,"ALUMINUM1$",4, 1, iSXFLD, sXMGMX, |
47d9b1cb | 459 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); |
460 | ||
461 | ||
f359b593 | 462 | AliMedium(5,"ALUMINUM2$",5, 1, iSXFLD, sXMGMX, |
47d9b1cb | 463 | tmaxfd, fMaxStepAlu, fMaxDestepAlu, epsil, stmin, 0, 0); |
464 | ||
f359b593 | 465 | AliMedium(6,"SCINTILLATOR$",6, 1, iSXFLD, sXMGMX, 10.0, 0.1, 0.1, 0.003, 0.003, 0, 0); |
47d9b1cb | 466 | |
467 | gMC->Gstpar(idtmed[3000], "LOSS", 1.); // [3000] = air ACTIF [3010] = air INACTIF | |
468 | gMC->Gstpar(idtmed[3000], "HADR", 1.); | |
469 | gMC->Gstpar(idtmed[3000], "DCAY", 1.); | |
470 | gMC->Gstpar(idtmed[3000], "DRAY", 1.); | |
471 | ||
472 | gMC->Gstpar(idtmed[3001], "LOSS", 1.); // [3001] = carbon | |
473 | gMC->Gstpar(idtmed[3001], "HADR", 1.); | |
474 | gMC->Gstpar(idtmed[3001], "DCAY", 1.); | |
475 | gMC->Gstpar(idtmed[3001], "DRAY", 1.); | |
476 | ||
477 | gMC->Gstpar(idtmed[3002], "LOSS", 1.); // [3002] = quartz | |
478 | gMC->Gstpar(idtmed[3002], "HADR", 1.); | |
479 | gMC->Gstpar(idtmed[3002], "DCAY", 1.); | |
480 | gMC->Gstpar(idtmed[3002], "DRAY", 1.); | |
481 | gMC->Gstpar(idtmed[3002], "CUTGAM",0.5E-4) ; | |
482 | gMC->Gstpar(idtmed[3002], "CUTELE",1.0E-4) ; | |
483 | ||
484 | gMC->Gstpar(idtmed[3003], "LOSS", 1.); // [3003] = normal aluminum | |
485 | gMC->Gstpar(idtmed[3003], "HADR", 1.); | |
486 | gMC->Gstpar(idtmed[3003], "DCAY", 1.); | |
487 | gMC->Gstpar(idtmed[3003], "DRAY", 1.); | |
488 | ||
489 | gMC->Gstpar(idtmed[3004], "LOSS", 1.); // [3004] = reflecting aluminum | |
490 | gMC->Gstpar(idtmed[3004], "HADR", 1.); | |
491 | gMC->Gstpar(idtmed[3004], "DCAY", 1.); | |
492 | gMC->Gstpar(idtmed[3004], "DRAY", 1.); | |
493 | gMC->Gstpar(idtmed[3004], "CUTGAM",0.5E-4) ; | |
494 | gMC->Gstpar(idtmed[3004], "CUTELE",1.0E-4) ; | |
495 | ||
496 | gMC->Gstpar(idtmed[3005], "LOSS", 1.); // [3005] = scintillator | |
497 | gMC->Gstpar(idtmed[3005], "HADR", 1.); | |
498 | gMC->Gstpar(idtmed[3005], "DCAY", 1.); | |
499 | gMC->Gstpar(idtmed[3005], "DRAY", 1.); | |
500 | gMC->Gstpar(idtmed[3005], "CUTGAM",0.5E-4) ; | |
501 | gMC->Gstpar(idtmed[3005], "CUTELE",1.0E-4) ; | |
502 | ||
503 | ||
504 | // geant3->Gsckov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
505 | // geant3->Gsckov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
506 | ||
507 | // gMC->SetCerenkov(idtmed[3002], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
508 | // gMC->SetCerenkov(idtmed[3004], 14, ppckov_alu, absco_alu, effic_alu, rindex_alu); | |
b2501ea3 | 509 | |
47d9b1cb | 510 | } |
b2501ea3 | 511 | |
512 | //_____________________________________________________________________________ | |
ba380e33 | 513 | void AliVZEROv2::DrawModule() const |
47d9b1cb | 514 | { |
515 | ||
516 | // Drawing is done in DrawVZERO.C | |
517 | ||
254ef8f1 | 518 | AliDebug(2,"VZERO DrawModule"); |
47d9b1cb | 519 | |
520 | } | |
521 | ||
b2501ea3 | 522 | //_____________________________________________________________________________ |
47d9b1cb | 523 | void AliVZEROv2::Init() |
524 | { | |
b2501ea3 | 525 | // Initialises version 2 of the VZERO Detector |
47d9b1cb | 526 | // Just prints an information message |
527 | ||
254ef8f1 | 528 | AliInfo(Form("VZERO version %d initialized",IsVersion())); |
47d9b1cb | 529 | |
530 | // gMC->SetMaxStep(fMaxStepAlu); | |
531 | // gMC->SetMaxStep(fMaxStepQua); | |
532 | ||
533 | AliVZERO::Init(); | |
534 | ||
535 | } | |
536 | ||
47d9b1cb | 537 | |
b2501ea3 | 538 | //_____________________________________________________________________________ |
47d9b1cb | 539 | void AliVZEROv2::StepManager() |
540 | { | |
f359b593 | 541 | |
542 | // Step Manager, called at each step | |
47d9b1cb | 543 | |
544 | Int_t copy; | |
545 | static Int_t vol[4]; | |
c288a388 | 546 | static Float_t hits[19]; |
47d9b1cb | 547 | static Float_t eloss, tlength; |
548 | ||
549 | TLorentzVector pos; | |
550 | TLorentzVector mom; | |
551 | ||
552 | Float_t theta; | |
553 | Float_t phi; | |
f359b593 | 554 | Float_t ringNumber; |
47d9b1cb | 555 | |
556 | Int_t ipart; | |
557 | Float_t destep, step; | |
558 | ||
559 | ||
560 | // We keep only charged tracks : | |
561 | ||
562 | if ( !gMC->TrackCharge() || !gMC->IsTrackAlive() ) return; | |
563 | ||
564 | ||
565 | vol[0] = gMC->CurrentVolOffID(1, vol[1]); | |
566 | vol[2] = gMC->CurrentVolID(copy); | |
567 | vol[3] = copy; | |
568 | ||
d6fb41ac | 569 | static Int_t idV0R1 = gMC->VolId("V0R1"); |
570 | static Int_t idV0L1 = gMC->VolId("V0L1"); | |
571 | static Int_t idV0R2 = gMC->VolId("V0R2"); | |
572 | static Int_t idV0L2 = gMC->VolId("V0L2"); | |
573 | static Int_t idV0R3 = gMC->VolId("V0R3"); | |
574 | static Int_t idV0L3 = gMC->VolId("V0L3"); | |
575 | static Int_t idV0R4 = gMC->VolId("V0R4"); | |
576 | static Int_t idV0L4 = gMC->VolId("V0L4"); | |
577 | static Int_t idV0R5 = gMC->VolId("V0R5"); | |
578 | static Int_t idV0L5 = gMC->VolId("V0L5"); | |
579 | static Int_t idV0R6 = gMC->VolId("V0R6"); | |
580 | static Int_t idV0L6 = gMC->VolId("V0L6"); | |
581 | ||
582 | if ( gMC->CurrentVolID(copy) == idV0R1 || | |
583 | gMC->CurrentVolID(copy) == idV0L1 ) | |
f359b593 | 584 | ringNumber = 1.0; |
d6fb41ac | 585 | else if ( gMC->CurrentVolID(copy) == idV0R2 || |
586 | gMC->CurrentVolID(copy) == idV0L2 ) | |
f359b593 | 587 | ringNumber = 2.0; |
d6fb41ac | 588 | else if ( gMC->CurrentVolID(copy) == idV0R3 || |
589 | gMC->CurrentVolID(copy) == idV0L3 ) | |
f359b593 | 590 | ringNumber = 3.0; |
d6fb41ac | 591 | else if ( gMC->CurrentVolID(copy) == idV0R4 || |
592 | gMC->CurrentVolID(copy) == idV0L4 ) | |
f359b593 | 593 | ringNumber = 4.0; |
d6fb41ac | 594 | else if ( gMC->CurrentVolID(copy) == idV0R5 || |
595 | gMC->CurrentVolID(copy) == idV0L5 || | |
596 | gMC->CurrentVolID(copy) == idV0R6 || | |
597 | gMC->CurrentVolID(copy) == idV0L6 ) | |
f359b593 | 598 | ringNumber = 5.0; |
47d9b1cb | 599 | else |
f359b593 | 600 | ringNumber = 0.0; |
47d9b1cb | 601 | |
f359b593 | 602 | if ( ringNumber > 0.5 ) { |
47d9b1cb | 603 | |
604 | destep = gMC->Edep(); | |
605 | step = gMC->TrackStep(); | |
606 | eloss += destep; | |
607 | tlength += step; | |
25252ad5 | 608 | |
47d9b1cb | 609 | if ( gMC->IsTrackEntering() ) { |
610 | ||
611 | gMC->TrackPosition(pos); | |
612 | ||
613 | gMC->TrackMomentum(mom); | |
614 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
f359b593 | 615 | Double_t pt = TMath::Sqrt(tc); |
616 | Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]); | |
617 | theta = Float_t(TMath::ATan2(pt,Double_t(mom[2])))*kRaddeg; | |
25252ad5 | 618 | phi = Float_t(TMath::ATan2(Double_t(pos[1]),Double_t(pos[0])))*kRaddeg; |
619 | ||
620 | //////////////////////////////////////////////////////////////////////////// | |
621 | Float_t angle1 = Float_t(TMath::ATan2(Double_t(pos[1]),Double_t(pos[0])))*kRaddeg; | |
622 | if(angle1 < 0.0) angle1 = angle1 + 360.0; | |
254ef8f1 | 623 | //PH AliDebug(2,Form("RingNumber, copy, phi1 = %f %d %f \n", ringNumber,vol[1],angle1)); |
25252ad5 | 624 | //////////////////////////////////////////////////////////////////////////// |
625 | ||
47d9b1cb | 626 | |
627 | ipart = gMC->TrackPid(); | |
628 | ||
629 | hits[0] = pos[0]; | |
630 | hits[1] = pos[1]; | |
631 | hits[2] = pos[2]; | |
c288a388 | 632 | hits[3] = Float_t (ipart); |
47d9b1cb | 633 | |
634 | hits[4] = gMC->TrackTime(); | |
635 | hits[5] = gMC->TrackCharge(); | |
636 | hits[6] = theta; | |
637 | hits[7] = phi; | |
f359b593 | 638 | hits[8] = ringNumber; |
47d9b1cb | 639 | |
f359b593 | 640 | hits[9] = pt; |
641 | hits[10] = pmom; | |
47d9b1cb | 642 | hits[11] = mom[0]; |
643 | hits[12] = mom[1]; | |
644 | hits[13] = mom[2]; | |
c288a388 | 645 | |
5d12ce38 | 646 | TParticle *par = gAlice->GetMCApp()->Particle(gAlice->GetMCApp()->GetCurrentTrackNumber()); |
c288a388 | 647 | hits[14] = par->Vx(); |
648 | hits[15] = par->Vy(); | |
649 | hits[16] = par->Vz(); | |
650 | ||
47d9b1cb | 651 | tlength = 0.0; |
652 | eloss = 0.0; | |
653 | ||
654 | } | |
655 | ||
656 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
657 | ||
c288a388 | 658 | hits[17] = eloss; |
659 | hits[18] = tlength; | |
47d9b1cb | 660 | |
5d12ce38 | 661 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol, hits); |
c288a388 | 662 | |
47d9b1cb | 663 | tlength = 0.0; |
664 | eloss = 0.0; | |
47d9b1cb | 665 | |
666 | } | |
667 | } | |
668 | ||
669 | } | |
670 | ||
671 | //_____________________________________________________________________________ | |
672 | void AliVZEROv2::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
673 | { | |
674 | ||
f359b593 | 675 | // Adds a VZERO hit |
47d9b1cb | 676 | |
47d9b1cb | 677 | TClonesArray &lhits = *fHits; |
678 | new(lhits[fNhits++]) AliVZEROhit(fIshunt,track,vol,hits); | |
679 | } | |
680 | ||
b2501ea3 | 681 | //_____________________________________________________________________________ |
47d9b1cb | 682 | void AliVZEROv2::AddDigits(Int_t *tracks, Int_t* digits) |
683 | { | |
684 | ||
f359b593 | 685 | // Adds a VZERO digit |
686 | ||
47d9b1cb | 687 | TClonesArray &ldigits = *fDigits; |
688 | new(ldigits[fNdigits++]) AliVZEROdigit(tracks, digits); | |
689 | } | |
690 | ||
b2501ea3 | 691 | //_____________________________________________________________________________ |
47d9b1cb | 692 | void AliVZEROv2::MakeBranch(Option_t *option) |
693 | { | |
694 | ||
f359b593 | 695 | // Creates new branches in the current Root Tree |
696 | ||
47d9b1cb | 697 | char branchname[10]; |
698 | sprintf(branchname,"%s",GetName()); | |
254ef8f1 | 699 | AliDebug(2,Form("fBufferSize = %d",fBufferSize)); |
47d9b1cb | 700 | |
f359b593 | 701 | const char *cH = strstr(option,"H"); |
47d9b1cb | 702 | |
cb5b8b21 | 703 | if (fHits && fLoader->TreeH() && cH) { |
704 | fLoader->TreeH()->Branch(branchname,&fHits, fBufferSize); | |
254ef8f1 | 705 | AliDebug(2,Form("Making Branch %s for hits",branchname)); |
47d9b1cb | 706 | } |
707 | ||
f359b593 | 708 | const char *cD = strstr(option,"D"); |
b2501ea3 | 709 | |
f359b593 | 710 | if (fDigits && fLoader->TreeD() && cD) { |
88cb7938 | 711 | fLoader->TreeD()->Branch(branchname,&fDigits, fBufferSize); |
254ef8f1 | 712 | AliDebug(2,Form("Making Branch %s for digits",branchname)); |
47d9b1cb | 713 | } |
714 | ||
715 | } |