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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpeateose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ///////////////////////////////////////////////////////// | |
19 | // Manager and hits classes for set:MUON version 0 // | |
20 | ///////////////////////////////////////////////////////// | |
21 | #include <TRandom.h> | |
22 | #include <TF1.h> | |
23 | #include <Riostream.h> | |
24 | #include <TClonesArray.h> | |
25 | #include <TLorentzVector.h> | |
26 | #include <TNode.h> | |
27 | #include <TRandom.h> | |
28 | #include <TTUBE.h> | |
29 | #include <TVirtualMC.h> | |
30 | #include <TParticle.h> | |
31 | ||
32 | #include "AliCallf77.h" | |
33 | #include "AliConst.h" | |
34 | #include "AliMUONChamber.h" | |
35 | #include "AliMUONConstants.h" | |
36 | #include "AliMUONFactory.h" | |
37 | #include "AliMUONHit.h" | |
38 | #include "AliMUONPadHit.h" | |
39 | #include "AliMUONTriggerCircuit.h" | |
40 | #include "AliMUONv1.h" | |
41 | #include "AliMagF.h" | |
42 | #include "AliRun.h" | |
43 | #include "AliMC.h" | |
44 | ||
45 | ClassImp(AliMUONv1) | |
46 | ||
47 | //___________________________________________ | |
48 | AliMUONv1::AliMUONv1() : AliMUON() | |
49 | ,fTrackMomentum(), fTrackPosition() | |
50 | { | |
51 | // Constructor | |
52 | fChambers = 0; | |
53 | fStations = 0; | |
54 | fStepManagerVersionOld = kFALSE; | |
55 | fStepMaxInActiveGas = 0.6; | |
56 | fStepSum = 0x0; | |
57 | fDestepSum = 0x0; | |
58 | fElossRatio = 0x0; | |
59 | fAngleEffect10 = 0x0; | |
60 | fAngleEffectNorma= 0x0; | |
61 | } | |
62 | //___________________________________________ | |
63 | AliMUONv1::AliMUONv1(const char *name, const char *title) | |
64 | : AliMUON(name,title), fTrackMomentum(), fTrackPosition() | |
65 | { | |
66 | // Constructor | |
67 | // By default include all stations | |
68 | fStations = new Int_t[5]; | |
69 | for (Int_t i=0; i<5; i++) fStations[i] = 1; | |
70 | ||
71 | AliMUONFactory factory; | |
72 | factory.Build(this, title); | |
73 | ||
74 | fStepManagerVersionOld = kFALSE; | |
75 | ||
76 | fStepMaxInActiveGas = 0.6; | |
77 | ||
78 | fStepSum = new Float_t [AliMUONConstants::NCh()]; | |
79 | fDestepSum = new Float_t [AliMUONConstants::NCh()]; | |
80 | for (Int_t i=0; i<AliMUONConstants::NCh(); i++) { | |
81 | fStepSum[i] =0.0; | |
82 | fDestepSum[i]=0.0; | |
83 | } | |
84 | // Ratio of particle mean eloss with respect MIP's Khalil Boudjemline, sep 2003, PhD.Thesis and Particle Data Book | |
85 | fElossRatio = new TF1("ElossRatio","[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x",0.5,5.); | |
86 | fElossRatio->SetParameter(0,1.02138); | |
87 | fElossRatio->SetParameter(1,-9.54149e-02); | |
88 | fElossRatio->SetParameter(2,+7.83433e-02); | |
89 | fElossRatio->SetParameter(3,-9.98208e-03); | |
90 | fElossRatio->SetParameter(4,+3.83279e-04); | |
91 | ||
92 | // Angle effect in tracking chambers at theta =10 degres as a function of ElossRatio (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) (in micrometers) | |
93 | fAngleEffect10 = new TF1("AngleEffect10","[0]+[1]*x+[2]*x*x",0.5,3.0); | |
94 | fAngleEffect10->SetParameter(0, 1.90691e+02); | |
95 | fAngleEffect10->SetParameter(1,-6.62258e+01); | |
96 | fAngleEffect10->SetParameter(2,+1.28247e+01); | |
97 | // Angle effect: Normalisation form theta=10 degres to theta between 0 and 10 (Khalil BOUDJEMLINE sep 2003 Ph.D Thesis) | |
98 | // Angle with respect to the wires assuming that chambers are perpendicular to the z axis. | |
99 | fAngleEffectNorma = new TF1("AngleEffectNorma","[0]+[1]*x+[2]*x*x+[3]*x*x*x",0.0,10.0); | |
100 | fAngleEffectNorma->SetParameter(0,4.148); | |
101 | fAngleEffectNorma->SetParameter(1,-6.809e-01); | |
102 | fAngleEffectNorma->SetParameter(2,5.151e-02); | |
103 | fAngleEffectNorma->SetParameter(3,-1.490e-03); | |
104 | } | |
105 | ||
106 | //___________________________________________ | |
107 | void AliMUONv1::CreateGeometry() | |
108 | { | |
109 | // | |
110 | // Note: all chambers have the same structure, which could be | |
111 | // easily parameterised. This was intentionally not done in order | |
112 | // to give a starting point for the implementation of the actual | |
113 | // design of each station. | |
114 | Int_t *idtmed = fIdtmed->GetArray()-1099; | |
115 | ||
116 | // Distance between Stations | |
117 | // | |
118 | Float_t bpar[3]; | |
119 | Float_t tpar[3]; | |
120 | // Float_t pgpar[10]; | |
121 | Float_t zpos1, zpos2, zfpos; | |
122 | // Outer excess and inner recess for mother volume radius | |
123 | // with respect to ROuter and RInner | |
124 | Float_t dframep=.001; // Value for station 3 should be 6 ... | |
125 | // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm) | |
126 | // Float_t dframep1=.001; | |
127 | Float_t dframep1 = 11.0; | |
128 | // Bool_t frameCrosses=kFALSE; | |
129 | Bool_t frameCrosses=kTRUE; | |
130 | Float_t *dum=0; | |
131 | ||
132 | // Float_t dframez=0.9; | |
133 | // Half of the total thickness of frame crosses (including DAlu) | |
134 | // for each chamber in stations 1 and 2: | |
135 | // 3% of X0 of composite material, | |
136 | // but taken as Aluminium here, with same thickness in number of X0 | |
137 | Float_t dframez = 3. * 8.9 / 100; | |
138 | // Float_t dr; | |
139 | Float_t dstation; | |
140 | ||
141 | // | |
142 | // Rotation matrices in the x-y plane | |
143 | Int_t idrotm[1199]; | |
144 | // phi= 0 deg | |
145 | AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.); | |
146 | // phi= 90 deg | |
147 | AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.); | |
148 | // phi= 180 deg | |
149 | AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.); | |
150 | // phi= 270 deg | |
151 | AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.); | |
152 | // | |
153 | Float_t phi=2*TMath::Pi()/12/2; | |
154 | ||
155 | // | |
156 | // pointer to the current chamber | |
157 | // pointer to the current chamber | |
158 | Int_t idAlu1=idtmed[1103]; // medium 4 | |
159 | Int_t idAlu2=idtmed[1104]; // medium 5 | |
160 | // Int_t idAlu1=idtmed[1100]; | |
161 | // Int_t idAlu2=idtmed[1100]; | |
162 | Int_t idAir=idtmed[1100]; // medium 1 | |
163 | // Int_t idGas=idtmed[1105]; // medium 6 = Ar-isoC4H10 gas | |
164 | Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%) | |
165 | ||
166 | ||
167 | AliMUONChamber *iChamber, *iChamber1, *iChamber2; | |
168 | ||
169 | if (fStations[0]) { | |
170 | ||
171 | //******************************************************************** | |
172 | // Station 1 ** | |
173 | //******************************************************************** | |
174 | // CONCENTRIC | |
175 | // indices 1 and 2 for first and second chambers in the station | |
176 | // iChamber (first chamber) kept for other quanties than Z, | |
177 | // assumed to be the same in both chambers | |
178 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[0]; | |
179 | iChamber2 =(AliMUONChamber*) (*fChambers)[1]; | |
180 | zpos1=iChamber1->Z(); | |
181 | zpos2=iChamber2->Z(); | |
182 | dstation = TMath::Abs(zpos2 - zpos1); | |
183 | // DGas decreased from standard one (0.5) | |
184 | iChamber->SetDGas(0.4); iChamber2->SetDGas(0.4); | |
185 | // DAlu increased from standard one (3% of X0), | |
186 | // because more electronics with smaller pads | |
187 | iChamber->SetDAlu(3.5 * 8.9 / 100.); iChamber2->SetDAlu(3.5 * 8.9 / 100.); | |
188 | zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; | |
189 | ||
190 | // | |
191 | // Mother volume | |
192 | tpar[0] = iChamber->RInner()-dframep; | |
193 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
194 | tpar[2] = dstation/5; | |
195 | ||
196 | gMC->Gsvolu("S01M", "TUBE", idAir, tpar, 3); | |
197 | gMC->Gsvolu("S02M", "TUBE", idAir, tpar, 3); | |
198 | gMC->Gspos("S01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
199 | gMC->Gspos("S02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
200 | // // Aluminium frames | |
201 | // // Outer frames | |
202 | // pgpar[0] = 360/12/2; | |
203 | // pgpar[1] = 360.; | |
204 | // pgpar[2] = 12.; | |
205 | // pgpar[3] = 2; | |
206 | // pgpar[4] = -dframez/2; | |
207 | // pgpar[5] = iChamber->ROuter(); | |
208 | // pgpar[6] = pgpar[5]+dframep1; | |
209 | // pgpar[7] = +dframez/2; | |
210 | // pgpar[8] = pgpar[5]; | |
211 | // pgpar[9] = pgpar[6]; | |
212 | // gMC->Gsvolu("S01O", "PGON", idAlu1, pgpar, 10); | |
213 | // gMC->Gsvolu("S02O", "PGON", idAlu1, pgpar, 10); | |
214 | // gMC->Gspos("S01O",1,"S01M", 0.,0.,-zfpos, 0,"ONLY"); | |
215 | // gMC->Gspos("S01O",2,"S01M", 0.,0.,+zfpos, 0,"ONLY"); | |
216 | // gMC->Gspos("S02O",1,"S02M", 0.,0.,-zfpos, 0,"ONLY"); | |
217 | // gMC->Gspos("S02O",2,"S02M", 0.,0.,+zfpos, 0,"ONLY"); | |
218 | // // | |
219 | // // Inner frame | |
220 | // tpar[0]= iChamber->RInner()-dframep1; | |
221 | // tpar[1]= iChamber->RInner(); | |
222 | // tpar[2]= dframez/2; | |
223 | // gMC->Gsvolu("S01I", "TUBE", idAlu1, tpar, 3); | |
224 | // gMC->Gsvolu("S02I", "TUBE", idAlu1, tpar, 3); | |
225 | ||
226 | // gMC->Gspos("S01I",1,"S01M", 0.,0.,-zfpos, 0,"ONLY"); | |
227 | // gMC->Gspos("S01I",2,"S01M", 0.,0.,+zfpos, 0,"ONLY"); | |
228 | // gMC->Gspos("S02I",1,"S02M", 0.,0.,-zfpos, 0,"ONLY"); | |
229 | // gMC->Gspos("S02I",2,"S02M", 0.,0.,+zfpos, 0,"ONLY"); | |
230 | // | |
231 | // Frame Crosses | |
232 | if (frameCrosses) { | |
233 | // outside gas | |
234 | // security for inside mother volume | |
235 | bpar[0] = (iChamber->ROuter() - iChamber->RInner()) | |
236 | * TMath::Cos(TMath::ASin(dframep1 / | |
237 | (iChamber->ROuter() - iChamber->RInner()))) | |
238 | / 2.0; | |
239 | bpar[1] = dframep1/2; | |
240 | // total thickness will be (4 * bpar[2]) for each chamber, | |
241 | // which has to be equal to (2 * dframez) - DAlu | |
242 | bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0; | |
243 | gMC->Gsvolu("S01B", "BOX", idAlu1, bpar, 3); | |
244 | gMC->Gsvolu("S02B", "BOX", idAlu1, bpar, 3); | |
245 | ||
246 | gMC->Gspos("S01B",1,"S01M", -iChamber->RInner()-bpar[0] , 0, zfpos, | |
247 | idrotm[1100],"ONLY"); | |
248 | gMC->Gspos("S01B",2,"S01M", iChamber->RInner()+bpar[0] , 0, zfpos, | |
249 | idrotm[1100],"ONLY"); | |
250 | gMC->Gspos("S01B",3,"S01M", 0, -iChamber->RInner()-bpar[0] , zfpos, | |
251 | idrotm[1101],"ONLY"); | |
252 | gMC->Gspos("S01B",4,"S01M", 0, iChamber->RInner()+bpar[0] , zfpos, | |
253 | idrotm[1101],"ONLY"); | |
254 | gMC->Gspos("S01B",5,"S01M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
255 | idrotm[1100],"ONLY"); | |
256 | gMC->Gspos("S01B",6,"S01M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
257 | idrotm[1100],"ONLY"); | |
258 | gMC->Gspos("S01B",7,"S01M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
259 | idrotm[1101],"ONLY"); | |
260 | gMC->Gspos("S01B",8,"S01M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
261 | idrotm[1101],"ONLY"); | |
262 | ||
263 | gMC->Gspos("S02B",1,"S02M", -iChamber->RInner()-bpar[0] , 0, zfpos, | |
264 | idrotm[1100],"ONLY"); | |
265 | gMC->Gspos("S02B",2,"S02M", iChamber->RInner()+bpar[0] , 0, zfpos, | |
266 | idrotm[1100],"ONLY"); | |
267 | gMC->Gspos("S02B",3,"S02M", 0, -iChamber->RInner()-bpar[0] , zfpos, | |
268 | idrotm[1101],"ONLY"); | |
269 | gMC->Gspos("S02B",4,"S02M", 0, iChamber->RInner()+bpar[0] , zfpos, | |
270 | idrotm[1101],"ONLY"); | |
271 | gMC->Gspos("S02B",5,"S02M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
272 | idrotm[1100],"ONLY"); | |
273 | gMC->Gspos("S02B",6,"S02M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
274 | idrotm[1100],"ONLY"); | |
275 | gMC->Gspos("S02B",7,"S02M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
276 | idrotm[1101],"ONLY"); | |
277 | gMC->Gspos("S02B",8,"S02M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
278 | idrotm[1101],"ONLY"); | |
279 | } | |
280 | // | |
281 | // Chamber Material represented by Alu sheet | |
282 | tpar[0]= iChamber->RInner(); | |
283 | tpar[1]= iChamber->ROuter(); | |
284 | tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2; | |
285 | gMC->Gsvolu("S01A", "TUBE", idAlu2, tpar, 3); | |
286 | gMC->Gsvolu("S02A", "TUBE",idAlu2, tpar, 3); | |
287 | gMC->Gspos("S01A", 1, "S01M", 0., 0., 0., 0, "ONLY"); | |
288 | gMC->Gspos("S02A", 1, "S02M", 0., 0., 0., 0, "ONLY"); | |
289 | // | |
290 | // Sensitive volumes | |
291 | // tpar[2] = iChamber->DGas(); | |
292 | tpar[2] = iChamber->DGas()/2; | |
293 | gMC->Gsvolu("S01G", "TUBE", idGas, tpar, 3); | |
294 | gMC->Gsvolu("S02G", "TUBE", idGas, tpar, 3); | |
295 | gMC->Gspos("S01G", 1, "S01A", 0., 0., 0., 0, "ONLY"); | |
296 | gMC->Gspos("S02G", 1, "S02A", 0., 0., 0., 0, "ONLY"); | |
297 | // | |
298 | // Frame Crosses to be placed inside gas | |
299 | // NONE: chambers are sensitive everywhere | |
300 | // if (frameCrosses) { | |
301 | ||
302 | // dr = (iChamber->ROuter() - iChamber->RInner()); | |
303 | // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2; | |
304 | // bpar[1] = dframep1/2; | |
305 | // bpar[2] = iChamber->DGas()/2; | |
306 | // gMC->Gsvolu("S01F", "BOX", idAlu1, bpar, 3); | |
307 | // gMC->Gsvolu("S02F", "BOX", idAlu1, bpar, 3); | |
308 | ||
309 | // gMC->Gspos("S01F",1,"S01G", +iChamber->RInner()+bpar[0] , 0, 0, | |
310 | // idrotm[1100],"ONLY"); | |
311 | // gMC->Gspos("S01F",2,"S01G", -iChamber->RInner()-bpar[0] , 0, 0, | |
312 | // idrotm[1100],"ONLY"); | |
313 | // gMC->Gspos("S01F",3,"S01G", 0, +iChamber->RInner()+bpar[0] , 0, | |
314 | // idrotm[1101],"ONLY"); | |
315 | // gMC->Gspos("S01F",4,"S01G", 0, -iChamber->RInner()-bpar[0] , 0, | |
316 | // idrotm[1101],"ONLY"); | |
317 | ||
318 | // gMC->Gspos("S02F",1,"S02G", +iChamber->RInner()+bpar[0] , 0, 0, | |
319 | // idrotm[1100],"ONLY"); | |
320 | // gMC->Gspos("S02F",2,"S02G", -iChamber->RInner()-bpar[0] , 0, 0, | |
321 | // idrotm[1100],"ONLY"); | |
322 | // gMC->Gspos("S02F",3,"S02G", 0, +iChamber->RInner()+bpar[0] , 0, | |
323 | // idrotm[1101],"ONLY"); | |
324 | // gMC->Gspos("S02F",4,"S02G", 0, -iChamber->RInner()-bpar[0] , 0, | |
325 | // idrotm[1101],"ONLY"); | |
326 | // } | |
327 | } | |
328 | if (fStations[1]) { | |
329 | ||
330 | //******************************************************************** | |
331 | // Station 2 ** | |
332 | //******************************************************************** | |
333 | // indices 1 and 2 for first and second chambers in the station | |
334 | // iChamber (first chamber) kept for other quanties than Z, | |
335 | // assumed to be the same in both chambers | |
336 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2]; | |
337 | iChamber2 =(AliMUONChamber*) (*fChambers)[3]; | |
338 | zpos1=iChamber1->Z(); | |
339 | zpos2=iChamber2->Z(); | |
340 | dstation = TMath::Abs(zpos2 - zpos1); | |
341 | // DGas and DAlu not changed from standard values | |
342 | zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; | |
343 | ||
344 | // | |
345 | // Mother volume | |
346 | tpar[0] = iChamber->RInner()-dframep; | |
347 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
348 | tpar[2] = dstation/5; | |
349 | ||
350 | gMC->Gsvolu("S03M", "TUBE", idAir, tpar, 3); | |
351 | gMC->Gsvolu("S04M", "TUBE", idAir, tpar, 3); | |
352 | gMC->Gspos("S03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
353 | gMC->Gspos("S04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
354 | gMC->Gsbool("S03M", "L3DO"); | |
355 | gMC->Gsbool("S03M", "L3O1"); | |
356 | gMC->Gsbool("S03M", "L3O2"); | |
357 | gMC->Gsbool("S04M", "L3DO"); | |
358 | gMC->Gsbool("S04M", "L3O1"); | |
359 | gMC->Gsbool("S04M", "L3O2"); | |
360 | ||
361 | // // Aluminium frames | |
362 | // // Outer frames | |
363 | // pgpar[0] = 360/12/2; | |
364 | // pgpar[1] = 360.; | |
365 | // pgpar[2] = 12.; | |
366 | // pgpar[3] = 2; | |
367 | // pgpar[4] = -dframez/2; | |
368 | // pgpar[5] = iChamber->ROuter(); | |
369 | // pgpar[6] = pgpar[5]+dframep; | |
370 | // pgpar[7] = +dframez/2; | |
371 | // pgpar[8] = pgpar[5]; | |
372 | // pgpar[9] = pgpar[6]; | |
373 | // gMC->Gsvolu("S03O", "PGON", idAlu1, pgpar, 10); | |
374 | // gMC->Gsvolu("S04O", "PGON", idAlu1, pgpar, 10); | |
375 | // gMC->Gspos("S03O",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
376 | // gMC->Gspos("S03O",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
377 | // gMC->Gspos("S04O",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
378 | // gMC->Gspos("S04O",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
379 | // // | |
380 | // // Inner frame | |
381 | // tpar[0]= iChamber->RInner()-dframep; | |
382 | // tpar[1]= iChamber->RInner(); | |
383 | // tpar[2]= dframez/2; | |
384 | // gMC->Gsvolu("S03I", "TUBE", idAlu1, tpar, 3); | |
385 | // gMC->Gsvolu("S04I", "TUBE", idAlu1, tpar, 3); | |
386 | ||
387 | // gMC->Gspos("S03I",1,"S03M", 0.,0.,-zfpos, 0,"ONLY"); | |
388 | // gMC->Gspos("S03I",2,"S03M", 0.,0.,+zfpos, 0,"ONLY"); | |
389 | // gMC->Gspos("S04I",1,"S04M", 0.,0.,-zfpos, 0,"ONLY"); | |
390 | // gMC->Gspos("S04I",2,"S04M", 0.,0.,+zfpos, 0,"ONLY"); | |
391 | // | |
392 | // Frame Crosses | |
393 | if (frameCrosses) { | |
394 | // outside gas | |
395 | // security for inside mother volume | |
396 | bpar[0] = (iChamber->ROuter() - iChamber->RInner()) | |
397 | * TMath::Cos(TMath::ASin(dframep1 / | |
398 | (iChamber->ROuter() - iChamber->RInner()))) | |
399 | / 2.0; | |
400 | bpar[1] = dframep1/2; | |
401 | // total thickness will be (4 * bpar[2]) for each chamber, | |
402 | // which has to be equal to (2 * dframez) - DAlu | |
403 | bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0; | |
404 | gMC->Gsvolu("S03B", "BOX", idAlu1, bpar, 3); | |
405 | gMC->Gsvolu("S04B", "BOX", idAlu1, bpar, 3); | |
406 | ||
407 | gMC->Gspos("S03B",1,"S03M", -iChamber->RInner()-bpar[0] , 0, zfpos, | |
408 | idrotm[1100],"ONLY"); | |
409 | gMC->Gspos("S03B",2,"S03M", +iChamber->RInner()+bpar[0] , 0, zfpos, | |
410 | idrotm[1100],"ONLY"); | |
411 | gMC->Gspos("S03B",3,"S03M", 0, -iChamber->RInner()-bpar[0] , zfpos, | |
412 | idrotm[1101],"ONLY"); | |
413 | gMC->Gspos("S03B",4,"S03M", 0, +iChamber->RInner()+bpar[0] , zfpos, | |
414 | idrotm[1101],"ONLY"); | |
415 | gMC->Gspos("S03B",5,"S03M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
416 | idrotm[1100],"ONLY"); | |
417 | gMC->Gspos("S03B",6,"S03M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
418 | idrotm[1100],"ONLY"); | |
419 | gMC->Gspos("S03B",7,"S03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
420 | idrotm[1101],"ONLY"); | |
421 | gMC->Gspos("S03B",8,"S03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
422 | idrotm[1101],"ONLY"); | |
423 | ||
424 | gMC->Gspos("S04B",1,"S04M", -iChamber->RInner()-bpar[0] , 0, zfpos, | |
425 | idrotm[1100],"ONLY"); | |
426 | gMC->Gspos("S04B",2,"S04M", +iChamber->RInner()+bpar[0] , 0, zfpos, | |
427 | idrotm[1100],"ONLY"); | |
428 | gMC->Gspos("S04B",3,"S04M", 0, -iChamber->RInner()-bpar[0] , zfpos, | |
429 | idrotm[1101],"ONLY"); | |
430 | gMC->Gspos("S04B",4,"S04M", 0, +iChamber->RInner()+bpar[0] , zfpos, | |
431 | idrotm[1101],"ONLY"); | |
432 | gMC->Gspos("S04B",5,"S04M", -iChamber->RInner()-bpar[0] , 0,-zfpos, | |
433 | idrotm[1100],"ONLY"); | |
434 | gMC->Gspos("S04B",6,"S04M", +iChamber->RInner()+bpar[0] , 0,-zfpos, | |
435 | idrotm[1100],"ONLY"); | |
436 | gMC->Gspos("S04B",7,"S04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos, | |
437 | idrotm[1101],"ONLY"); | |
438 | gMC->Gspos("S04B",8,"S04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos, | |
439 | idrotm[1101],"ONLY"); | |
440 | } | |
441 | // | |
442 | // Chamber Material represented by Alu sheet | |
443 | tpar[0]= iChamber->RInner(); | |
444 | tpar[1]= iChamber->ROuter(); | |
445 | tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2; | |
446 | gMC->Gsvolu("S03A", "TUBE", idAlu2, tpar, 3); | |
447 | gMC->Gsvolu("S04A", "TUBE", idAlu2, tpar, 3); | |
448 | gMC->Gspos("S03A", 1, "S03M", 0., 0., 0., 0, "ONLY"); | |
449 | gMC->Gspos("S04A", 1, "S04M", 0., 0., 0., 0, "ONLY"); | |
450 | // | |
451 | // Sensitive volumes | |
452 | // tpar[2] = iChamber->DGas(); | |
453 | tpar[2] = iChamber->DGas()/2; | |
454 | gMC->Gsvolu("S03G", "TUBE", idGas, tpar, 3); | |
455 | gMC->Gsvolu("S04G", "TUBE", idGas, tpar, 3); | |
456 | gMC->Gspos("S03G", 1, "S03A", 0., 0., 0., 0, "ONLY"); | |
457 | gMC->Gspos("S04G", 1, "S04A", 0., 0., 0., 0, "ONLY"); | |
458 | // | |
459 | // Frame Crosses to be placed inside gas | |
460 | // NONE: chambers are sensitive everywhere | |
461 | // if (frameCrosses) { | |
462 | ||
463 | // dr = (iChamber->ROuter() - iChamber->RInner()); | |
464 | // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2; | |
465 | // bpar[1] = dframep1/2; | |
466 | // bpar[2] = iChamber->DGas()/2; | |
467 | // gMC->Gsvolu("S03F", "BOX", idAlu1, bpar, 3); | |
468 | // gMC->Gsvolu("S04F", "BOX", idAlu1, bpar, 3); | |
469 | ||
470 | // gMC->Gspos("S03F",1,"S03G", +iChamber->RInner()+bpar[0] , 0, 0, | |
471 | // idrotm[1100],"ONLY"); | |
472 | // gMC->Gspos("S03F",2,"S03G", -iChamber->RInner()-bpar[0] , 0, 0, | |
473 | // idrotm[1100],"ONLY"); | |
474 | // gMC->Gspos("S03F",3,"S03G", 0, +iChamber->RInner()+bpar[0] , 0, | |
475 | // idrotm[1101],"ONLY"); | |
476 | // gMC->Gspos("S03F",4,"S03G", 0, -iChamber->RInner()-bpar[0] , 0, | |
477 | // idrotm[1101],"ONLY"); | |
478 | ||
479 | // gMC->Gspos("S04F",1,"S04G", +iChamber->RInner()+bpar[0] , 0, 0, | |
480 | // idrotm[1100],"ONLY"); | |
481 | // gMC->Gspos("S04F",2,"S04G", -iChamber->RInner()-bpar[0] , 0, 0, | |
482 | // idrotm[1100],"ONLY"); | |
483 | // gMC->Gspos("S04F",3,"S04G", 0, +iChamber->RInner()+bpar[0] , 0, | |
484 | // idrotm[1101],"ONLY"); | |
485 | // gMC->Gspos("S04F",4,"S04G", 0, -iChamber->RInner()-bpar[0] , 0, | |
486 | // idrotm[1101],"ONLY"); | |
487 | // } | |
488 | } | |
489 | // define the id of tracking media: | |
490 | Int_t idCopper = idtmed[1110]; | |
491 | Int_t idGlass = idtmed[1111]; | |
492 | Int_t idCarbon = idtmed[1112]; | |
493 | Int_t idRoha = idtmed[1113]; | |
494 | ||
495 | // sensitive area: 40*40 cm**2 | |
496 | const Float_t sensLength = 40.; | |
497 | const Float_t sensHeight = 40.; | |
498 | const Float_t sensWidth = 0.5; // according to TDR fig 2.120 | |
499 | const Int_t sensMaterial = idGas; | |
500 | const Float_t yOverlap = 1.5; | |
501 | ||
502 | // PCB dimensions in cm; width: 30 mum copper | |
503 | const Float_t pcbLength = sensLength; | |
504 | const Float_t pcbHeight = 60.; | |
505 | const Float_t pcbWidth = 0.003; | |
506 | const Int_t pcbMaterial = idCopper; | |
507 | ||
508 | // Insulating material: 200 mum glass fiber glued to pcb | |
509 | const Float_t insuLength = pcbLength; | |
510 | const Float_t insuHeight = pcbHeight; | |
511 | const Float_t insuWidth = 0.020; | |
512 | const Int_t insuMaterial = idGlass; | |
513 | ||
514 | // Carbon fiber panels: 200mum carbon/epoxy skin | |
515 | const Float_t panelLength = sensLength; | |
516 | const Float_t panelHeight = sensHeight; | |
517 | const Float_t panelWidth = 0.020; | |
518 | const Int_t panelMaterial = idCarbon; | |
519 | ||
520 | // rohacell between the two carbon panels | |
521 | const Float_t rohaLength = sensLength; | |
522 | const Float_t rohaHeight = sensHeight; | |
523 | const Float_t rohaWidth = 0.5; | |
524 | const Int_t rohaMaterial = idRoha; | |
525 | ||
526 | // Frame around the slat: 2 sticks along length,2 along height | |
527 | // H: the horizontal ones | |
528 | const Float_t hFrameLength = pcbLength; | |
529 | const Float_t hFrameHeight = 1.5; | |
530 | const Float_t hFrameWidth = sensWidth; | |
531 | const Int_t hFrameMaterial = idGlass; | |
532 | ||
533 | // V: the vertical ones | |
534 | const Float_t vFrameLength = 4.0; | |
535 | const Float_t vFrameHeight = sensHeight + hFrameHeight; | |
536 | const Float_t vFrameWidth = sensWidth; | |
537 | const Int_t vFrameMaterial = idGlass; | |
538 | ||
539 | // B: the horizontal border filled with rohacell | |
540 | const Float_t bFrameLength = hFrameLength; | |
541 | const Float_t bFrameHeight = (pcbHeight - sensHeight)/2. - hFrameHeight; | |
542 | const Float_t bFrameWidth = hFrameWidth; | |
543 | const Int_t bFrameMaterial = idRoha; | |
544 | ||
545 | // NULOC: 30 mum copper + 200 mum vetronite (same radiation length as 14mum copper) | |
546 | const Float_t nulocLength = 2.5; | |
547 | const Float_t nulocHeight = 7.5; | |
548 | const Float_t nulocWidth = 0.0030 + 0.0014; // equivalent copper width of vetronite; | |
549 | const Int_t nulocMaterial = idCopper; | |
550 | ||
551 | const Float_t slatHeight = pcbHeight; | |
552 | const Float_t slatWidth = sensWidth + 2.*(pcbWidth + insuWidth + | |
553 | 2.* panelWidth + rohaWidth); | |
554 | const Int_t slatMaterial = idAir; | |
555 | const Float_t dSlatLength = vFrameLength; // border on left and right | |
556 | ||
557 | Float_t spar[3]; | |
558 | Int_t i, j; | |
559 | ||
560 | // the panel volume contains the rohacell | |
561 | ||
562 | Float_t twidth = 2 * panelWidth + rohaWidth; | |
563 | Float_t panelpar[3] = { panelLength/2., panelHeight/2., twidth/2. }; | |
564 | Float_t rohapar[3] = { rohaLength/2., rohaHeight/2., rohaWidth/2. }; | |
565 | ||
566 | // insulating material contains PCB-> gas-> 2 borders filled with rohacell | |
567 | ||
568 | twidth = 2*(insuWidth + pcbWidth) + sensWidth; | |
569 | Float_t insupar[3] = { insuLength/2., insuHeight/2., twidth/2. }; | |
570 | twidth -= 2 * insuWidth; | |
571 | Float_t pcbpar[3] = { pcbLength/2., pcbHeight/2., twidth/2. }; | |
572 | Float_t senspar[3] = { sensLength/2., sensHeight/2., sensWidth/2. }; | |
573 | Float_t theight = 2*hFrameHeight + sensHeight; | |
574 | Float_t hFramepar[3]={hFrameLength/2., theight/2., hFrameWidth/2.}; | |
575 | Float_t bFramepar[3]={bFrameLength/2., bFrameHeight/2., bFrameWidth/2.}; | |
576 | Float_t vFramepar[3]={vFrameLength/2., vFrameHeight/2., vFrameWidth/2.}; | |
577 | Float_t nulocpar[3]={nulocLength/2., nulocHeight/2., nulocWidth/2.}; | |
578 | Float_t xx; | |
579 | Float_t xxmax = (bFrameLength - nulocLength)/2.; | |
580 | Int_t index=0; | |
581 | ||
582 | if (fStations[2]) { | |
583 | ||
584 | //******************************************************************** | |
585 | // Station 3 ** | |
586 | //******************************************************************** | |
587 | // indices 1 and 2 for first and second chambers in the station | |
588 | // iChamber (first chamber) kept for other quanties than Z, | |
589 | // assumed to be the same in both chambers | |
590 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[4]; | |
591 | iChamber2 =(AliMUONChamber*) (*fChambers)[5]; | |
592 | zpos1=iChamber1->Z(); | |
593 | zpos2=iChamber2->Z(); | |
594 | dstation = TMath::Abs(zpos2 - zpos1); | |
595 | ||
596 | // | |
597 | // Mother volume | |
598 | tpar[0] = iChamber->RInner()-dframep; | |
599 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
600 | tpar[2] = dstation/5; | |
601 | ||
602 | char *slats5Mother = "S05M"; | |
603 | char *slats6Mother = "S06M"; | |
604 | Float_t zoffs5 = 0; | |
605 | Float_t zoffs6 = 0; | |
606 | ||
607 | if (gAlice->GetModule("DIPO")) { | |
608 | slats5Mother="DDIP"; | |
609 | slats6Mother="DDIP"; | |
610 | ||
611 | zoffs5 = TMath::Abs(zpos1); | |
612 | zoffs6 = TMath::Abs(zpos2); | |
613 | } | |
614 | else { | |
615 | gMC->Gsvolu("S05M", "TUBE", idAir, tpar, 3); | |
616 | gMC->Gsvolu("S06M", "TUBE", idAir, tpar, 3); | |
617 | gMC->Gspos("S05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
618 | gMC->Gspos("S06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
619 | } | |
620 | ||
621 | // volumes for slat geometry (xx=5,..,10 chamber id): | |
622 | // Sxx0 Sxx1 Sxx2 Sxx3 --> Slat Mother volumes | |
623 | // SxxG --> Sensitive volume (gas) | |
624 | // SxxP --> PCB (copper) | |
625 | // SxxI --> Insulator (vetronite) | |
626 | // SxxC --> Carbon panel | |
627 | // SxxR --> Rohacell | |
628 | // SxxH, SxxV --> Horizontal and Vertical frames (vetronite) | |
629 | // SB5x --> Volumes for the 35 cm long PCB | |
630 | // slat dimensions: slat is a MOTHER volume!!! made of air | |
631 | ||
632 | // only for chamber 5: slat 1 has a PCB shorter by 5cm! | |
633 | ||
634 | Float_t tlength = 35.; | |
635 | Float_t panelpar2[3] = { tlength/2., panelpar[1], panelpar[2]}; | |
636 | Float_t rohapar2[3] = { tlength/2., rohapar[1], rohapar[2]}; | |
637 | Float_t insupar2[3] = { tlength/2., insupar[1], insupar[2]}; | |
638 | Float_t pcbpar2[3] = { tlength/2., pcbpar[1], pcbpar[2]}; | |
639 | Float_t senspar2[3] = { tlength/2., senspar[1], senspar[2]}; | |
640 | Float_t hFramepar2[3] = { tlength/2., hFramepar[1], hFramepar[2]}; | |
641 | Float_t bFramepar2[3] = { tlength/2., bFramepar[1], bFramepar[2]}; | |
642 | ||
643 | const Int_t nSlats3 = 5; // number of slats per quadrant | |
644 | const Int_t nPCB3[nSlats3] = {3,3,4,3,2}; // n PCB per slat | |
645 | const Float_t xpos3[nSlats3] = {31., 40., 0., 0., 0.}; | |
646 | Float_t slatLength3[nSlats3]; | |
647 | ||
648 | // create and position the slat (mother) volumes | |
649 | ||
650 | char volNam5[5]; | |
651 | char volNam6[5]; | |
652 | Float_t xSlat3; | |
653 | ||
654 | Float_t spar2[3]; | |
655 | for (i = 0; i<nSlats3; i++){ | |
656 | slatLength3[i] = pcbLength * nPCB3[i] + 2. * dSlatLength; | |
657 | xSlat3 = slatLength3[i]/2. - vFrameLength/2. + xpos3[i]; | |
658 | if (i==1 || i==0) slatLength3[i] -= 2. *dSlatLength; // frame out in PCB with circular border | |
659 | Float_t ySlat31 = sensHeight * i - yOverlap * i; | |
660 | Float_t ySlat32 = -sensHeight * i + yOverlap * i; | |
661 | spar[0] = slatLength3[i]/2.; | |
662 | spar[1] = slatHeight/2.; | |
663 | spar[2] = slatWidth/2. * 1.01; | |
664 | // take away 5 cm from the first slat in chamber 5 | |
665 | Float_t xSlat32 = 0; | |
666 | if (i==1 || i==2) { // 1 pcb is shortened by 5cm | |
667 | spar2[0] = spar[0]-5./2.; | |
668 | xSlat32 = xSlat3 - 5/2.; | |
669 | } | |
670 | else { | |
671 | spar2[0] = spar[0]; | |
672 | xSlat32 = xSlat3; | |
673 | } | |
674 | spar2[1] = spar[1]; | |
675 | spar2[2] = spar[2]; | |
676 | Float_t dzCh3=spar[2] * 1.01; | |
677 | // zSlat to be checked (odd downstream or upstream?) | |
678 | Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2]; | |
679 | sprintf(volNam5,"S05%d",i); | |
680 | gMC->Gsvolu(volNam5,"BOX",slatMaterial,spar2,3); | |
681 | gMC->Gspos(volNam5, i*4+1,slats5Mother, -xSlat32, ySlat31, zoffs5-zSlat-2.*dzCh3, 0, "ONLY"); | |
682 | gMC->Gspos(volNam5, i*4+2,slats5Mother, +xSlat32, ySlat31, zoffs5-zSlat+2.*dzCh3, 0, "ONLY"); | |
683 | ||
684 | if (i>0) { | |
685 | gMC->Gspos(volNam5, i*4+3,slats5Mother,-xSlat32, ySlat32, zoffs5-zSlat-2.*dzCh3, 0, "ONLY"); | |
686 | gMC->Gspos(volNam5, i*4+4,slats5Mother,+xSlat32, ySlat32, zoffs5-zSlat+2.*dzCh3, 0, "ONLY"); | |
687 | } | |
688 | sprintf(volNam6,"S06%d",i); | |
689 | gMC->Gsvolu(volNam6,"BOX",slatMaterial,spar,3); | |
690 | gMC->Gspos(volNam6, i*4+1,slats6Mother,-xSlat3, ySlat31, zoffs6-zSlat-2.*dzCh3, 0, "ONLY"); | |
691 | gMC->Gspos(volNam6, i*4+2,slats6Mother,+xSlat3, ySlat31, zoffs6-zSlat+2.*dzCh3, 0, "ONLY"); | |
692 | if (i>0) { | |
693 | gMC->Gspos(volNam6, i*4+3,slats6Mother,-xSlat3, ySlat32, zoffs6-zSlat-2.*dzCh3, 0, "ONLY"); | |
694 | gMC->Gspos(volNam6, i*4+4,slats6Mother,+xSlat3, ySlat32, zoffs6-zSlat+2.*dzCh3, 0, "ONLY"); | |
695 | } | |
696 | } | |
697 | ||
698 | // create the panel volume | |
699 | ||
700 | gMC->Gsvolu("S05C","BOX",panelMaterial,panelpar,3); | |
701 | gMC->Gsvolu("SB5C","BOX",panelMaterial,panelpar2,3); | |
702 | gMC->Gsvolu("S06C","BOX",panelMaterial,panelpar,3); | |
703 | ||
704 | // create the rohacell volume | |
705 | ||
706 | gMC->Gsvolu("S05R","BOX",rohaMaterial,rohapar,3); | |
707 | gMC->Gsvolu("SB5R","BOX",rohaMaterial,rohapar2,3); | |
708 | gMC->Gsvolu("S06R","BOX",rohaMaterial,rohapar,3); | |
709 | ||
710 | // create the insulating material volume | |
711 | ||
712 | gMC->Gsvolu("S05I","BOX",insuMaterial,insupar,3); | |
713 | gMC->Gsvolu("SB5I","BOX",insuMaterial,insupar2,3); | |
714 | gMC->Gsvolu("S06I","BOX",insuMaterial,insupar,3); | |
715 | ||
716 | // create the PCB volume | |
717 | ||
718 | gMC->Gsvolu("S05P","BOX",pcbMaterial,pcbpar,3); | |
719 | gMC->Gsvolu("SB5P","BOX",pcbMaterial,pcbpar2,3); | |
720 | gMC->Gsvolu("S06P","BOX",pcbMaterial,pcbpar,3); | |
721 | ||
722 | // create the sensitive volumes, | |
723 | gMC->Gsvolu("S05G","BOX",sensMaterial,dum,0); | |
724 | gMC->Gsvolu("S06G","BOX",sensMaterial,dum,0); | |
725 | ||
726 | ||
727 | // create the vertical frame volume | |
728 | ||
729 | gMC->Gsvolu("S05V","BOX",vFrameMaterial,vFramepar,3); | |
730 | gMC->Gsvolu("S06V","BOX",vFrameMaterial,vFramepar,3); | |
731 | ||
732 | // create the horizontal frame volume | |
733 | ||
734 | gMC->Gsvolu("S05H","BOX",hFrameMaterial,hFramepar,3); | |
735 | gMC->Gsvolu("SB5H","BOX",hFrameMaterial,hFramepar2,3); | |
736 | gMC->Gsvolu("S06H","BOX",hFrameMaterial,hFramepar,3); | |
737 | ||
738 | // create the horizontal border volume | |
739 | ||
740 | gMC->Gsvolu("S05B","BOX",bFrameMaterial,bFramepar,3); | |
741 | gMC->Gsvolu("SB5B","BOX",bFrameMaterial,bFramepar2,3); | |
742 | gMC->Gsvolu("S06B","BOX",bFrameMaterial,bFramepar,3); | |
743 | ||
744 | index=0; | |
745 | for (i = 0; i<nSlats3; i++){ | |
746 | sprintf(volNam5,"S05%d",i); | |
747 | sprintf(volNam6,"S06%d",i); | |
748 | Float_t xvFrame = (slatLength3[i] - vFrameLength)/2.; | |
749 | Float_t xvFrame2 = xvFrame; | |
750 | if ( i==1 || i ==2 ) xvFrame2 -= 5./2.; | |
751 | // position the vertical frames | |
752 | if (i!=1 && i!=0) { | |
753 | gMC->Gspos("S05V",2*i-1,volNam5, xvFrame2, 0., 0. , 0, "ONLY"); | |
754 | gMC->Gspos("S05V",2*i ,volNam5,-xvFrame2, 0., 0. , 0, "ONLY"); | |
755 | gMC->Gspos("S06V",2*i-1,volNam6, xvFrame, 0., 0. , 0, "ONLY"); | |
756 | gMC->Gspos("S06V",2*i ,volNam6,-xvFrame, 0., 0. , 0, "ONLY"); | |
757 | } | |
758 | // position the panels and the insulating material | |
759 | for (j=0; j<nPCB3[i]; j++){ | |
760 | index++; | |
761 | Float_t xx = sensLength * (-nPCB3[i]/2.+j+.5); | |
762 | Float_t xx2 = xx + 5/2.; | |
763 | ||
764 | Float_t zPanel = spar[2] - panelpar[2]; | |
765 | if ( (i==1 || i==2) && j == nPCB3[i]-1) { // 1 pcb is shortened by 5cm | |
766 | gMC->Gspos("SB5C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY"); | |
767 | gMC->Gspos("SB5C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY"); | |
768 | gMC->Gspos("SB5I",index ,volNam5, xx, 0., 0 , 0, "ONLY"); | |
769 | } | |
770 | else if ( (i==1 || i==2) && j < nPCB3[i]-1) { | |
771 | gMC->Gspos("S05C",2*index-1,volNam5, xx2, 0., zPanel , 0, "ONLY"); | |
772 | gMC->Gspos("S05C",2*index ,volNam5, xx2, 0.,-zPanel , 0, "ONLY"); | |
773 | gMC->Gspos("S05I",index ,volNam5, xx2, 0., 0 , 0, "ONLY"); | |
774 | } | |
775 | else { | |
776 | gMC->Gspos("S05C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY"); | |
777 | gMC->Gspos("S05C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY"); | |
778 | gMC->Gspos("S05I",index ,volNam5, xx, 0., 0 , 0, "ONLY"); | |
779 | } | |
780 | gMC->Gspos("S06C",2*index-1,volNam6, xx, 0., zPanel , 0, "ONLY"); | |
781 | gMC->Gspos("S06C",2*index ,volNam6, xx, 0.,-zPanel , 0, "ONLY"); | |
782 | gMC->Gspos("S06I",index,volNam6, xx, 0., 0 , 0, "ONLY"); | |
783 | } | |
784 | } | |
785 | ||
786 | // position the rohacell volume inside the panel volume | |
787 | gMC->Gspos("S05R",1,"S05C",0.,0.,0.,0,"ONLY"); | |
788 | gMC->Gspos("SB5R",1,"SB5C",0.,0.,0.,0,"ONLY"); | |
789 | gMC->Gspos("S06R",1,"S06C",0.,0.,0.,0,"ONLY"); | |
790 | ||
791 | // position the PCB volume inside the insulating material volume | |
792 | gMC->Gspos("S05P",1,"S05I",0.,0.,0.,0,"ONLY"); | |
793 | gMC->Gspos("SB5P",1,"SB5I",0.,0.,0.,0,"ONLY"); | |
794 | gMC->Gspos("S06P",1,"S06I",0.,0.,0.,0,"ONLY"); | |
795 | // position the horizontal frame volume inside the PCB volume | |
796 | gMC->Gspos("S05H",1,"S05P",0.,0.,0.,0,"ONLY"); | |
797 | gMC->Gspos("SB5H",1,"SB5P",0.,0.,0.,0,"ONLY"); | |
798 | gMC->Gspos("S06H",1,"S06P",0.,0.,0.,0,"ONLY"); | |
799 | // position the sensitive volume inside the horizontal frame volume | |
800 | gMC->Gsposp("S05G",1,"S05H",0.,0.,0.,0,"ONLY",senspar,3); | |
801 | gMC->Gsposp("S05G",1,"SB5H",0.,0.,0.,0,"ONLY",senspar2,3); | |
802 | gMC->Gsposp("S06G",1,"S06H",0.,0.,0.,0,"ONLY",senspar,3); | |
803 | // position the border volumes inside the PCB volume | |
804 | Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.; | |
805 | gMC->Gspos("S05B",1,"S05P",0., yborder,0.,0,"ONLY"); | |
806 | gMC->Gspos("S05B",2,"S05P",0.,-yborder,0.,0,"ONLY"); | |
807 | gMC->Gspos("SB5B",1,"SB5P",0., yborder,0.,0,"ONLY"); | |
808 | gMC->Gspos("SB5B",2,"SB5P",0.,-yborder,0.,0,"ONLY"); | |
809 | gMC->Gspos("S06B",1,"S06P",0., yborder,0.,0,"ONLY"); | |
810 | gMC->Gspos("S06B",2,"S06P",0.,-yborder,0.,0,"ONLY"); | |
811 | ||
812 | // create the NULOC volume and position it in the horizontal frame | |
813 | ||
814 | gMC->Gsvolu("S05N","BOX",nulocMaterial,nulocpar,3); | |
815 | gMC->Gsvolu("S06N","BOX",nulocMaterial,nulocpar,3); | |
816 | index = 0; | |
817 | Float_t xxmax2 = xxmax - 5./2.; | |
818 | for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) { | |
819 | index++; | |
820 | gMC->Gspos("S05N",2*index-1,"S05B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
821 | gMC->Gspos("S05N",2*index ,"S05B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
822 | if (xx > -xxmax2 && xx< xxmax2) { | |
823 | gMC->Gspos("S05N",2*index-1,"SB5B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
824 | gMC->Gspos("S05N",2*index ,"SB5B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
825 | } | |
826 | gMC->Gspos("S06N",2*index-1,"S06B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
827 | gMC->Gspos("S06N",2*index ,"S06B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
828 | } | |
829 | ||
830 | // position the volumes approximating the circular section of the pipe | |
831 | Float_t yoffs = sensHeight/2. - yOverlap; | |
832 | Float_t epsilon = 0.001; | |
833 | Int_t ndiv=6; | |
834 | Float_t divpar[3]; | |
835 | Double_t dydiv= sensHeight/ndiv; | |
836 | Double_t ydiv = yoffs -dydiv; | |
837 | Int_t imax=0; | |
838 | imax = 1; | |
839 | Float_t rmin = 33.; | |
840 | Float_t z1 = spar[2], z2=2*spar[2]*1.01; | |
841 | for (Int_t idiv=0;idiv<ndiv; idiv++){ | |
842 | ydiv+= dydiv; | |
843 | Float_t xdiv = 0.; | |
844 | if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) ); | |
845 | divpar[0] = (pcbLength-xdiv)/2.; | |
846 | divpar[1] = dydiv/2. - epsilon; | |
847 | divpar[2] = sensWidth/2.; | |
848 | Float_t xvol=(pcbLength+xdiv)/2.+1.999; | |
849 | Float_t yvol=ydiv + dydiv/2.; | |
850 | //printf ("y ll = %f y ur = %f \n",yvol - divpar[1], yvol + divpar[1]); | |
851 | gMC->Gsposp("S05G",imax+4*idiv+1,slats5Mother,-xvol, yvol, zoffs5-z1-z2, 0, "ONLY",divpar,3); | |
852 | gMC->Gsposp("S06G",imax+4*idiv+1,slats6Mother,-xvol, yvol, zoffs6-z1-z2, 0, "ONLY",divpar,3); | |
853 | gMC->Gsposp("S05G",imax+4*idiv+2,slats5Mother,-xvol,-yvol, zoffs5-z1-z2, 0, "ONLY",divpar,3); | |
854 | gMC->Gsposp("S06G",imax+4*idiv+2,slats6Mother,-xvol,-yvol, zoffs6-z1-z2, 0, "ONLY",divpar,3); | |
855 | gMC->Gsposp("S05G",imax+4*idiv+3,slats5Mother,+xvol, yvol, zoffs5-z1+z2, 0, "ONLY",divpar,3); | |
856 | gMC->Gsposp("S06G",imax+4*idiv+3,slats6Mother,+xvol, yvol, zoffs6-z1+z2, 0, "ONLY",divpar,3); | |
857 | gMC->Gsposp("S05G",imax+4*idiv+4,slats5Mother,+xvol,-yvol, zoffs5-z1+z2, 0, "ONLY",divpar,3); | |
858 | gMC->Gsposp("S06G",imax+4*idiv+4,slats6Mother,+xvol,-yvol, zoffs6-z1+z2, 0, "ONLY",divpar,3); | |
859 | } | |
860 | } | |
861 | ||
862 | if (fStations[3]) { | |
863 | ||
864 | //******************************************************************** | |
865 | // Station 4 ** | |
866 | //******************************************************************** | |
867 | // indices 1 and 2 for first and second chambers in the station | |
868 | // iChamber (first chamber) kept for other quanties than Z, | |
869 | // assumed to be the same in both chambers | |
870 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[6]; | |
871 | iChamber2 =(AliMUONChamber*) (*fChambers)[7]; | |
872 | zpos1=iChamber1->Z(); | |
873 | zpos2=iChamber2->Z(); | |
874 | dstation = TMath::Abs(zpos2 - zpos1); | |
875 | // zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more | |
876 | ||
877 | // | |
878 | // Mother volume | |
879 | tpar[0] = iChamber->RInner()-dframep; | |
880 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
881 | tpar[2] = dstation/4; | |
882 | ||
883 | gMC->Gsvolu("S07M", "TUBE", idAir, tpar, 3); | |
884 | gMC->Gsvolu("S08M", "TUBE", idAir, tpar, 3); | |
885 | gMC->Gspos("S07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
886 | gMC->Gspos("S08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
887 | ||
888 | ||
889 | const Int_t nSlats4 = 6; // number of slats per quadrant | |
890 | const Int_t nPCB4[nSlats4] = {4,4,5,5,4,3}; // n PCB per slat | |
891 | const Float_t xpos4[nSlats4] = {38.5, 40., 0., 0., 0., 0.}; | |
892 | Float_t slatLength4[nSlats4]; | |
893 | ||
894 | // create and position the slat (mother) volumes | |
895 | ||
896 | char volNam7[5]; | |
897 | char volNam8[5]; | |
898 | Float_t xSlat4; | |
899 | Float_t ySlat4; | |
900 | ||
901 | for (i = 0; i<nSlats4; i++){ | |
902 | slatLength4[i] = pcbLength * nPCB4[i] + 2. * dSlatLength; | |
903 | xSlat4 = slatLength4[i]/2. - vFrameLength/2. + xpos4[i]; | |
904 | if (i==1) slatLength4[i] -= 2. *dSlatLength; // frame out in PCB with circular border | |
905 | ySlat4 = sensHeight * i - yOverlap *i; | |
906 | ||
907 | spar[0] = slatLength4[i]/2.; | |
908 | spar[1] = slatHeight/2.; | |
909 | spar[2] = slatWidth/2.*1.01; | |
910 | Float_t dzCh4=spar[2]*1.01; | |
911 | // zSlat to be checked (odd downstream or upstream?) | |
912 | Float_t zSlat = (i%2 ==0)? spar[2] : -spar[2]; | |
913 | sprintf(volNam7,"S07%d",i); | |
914 | gMC->Gsvolu(volNam7,"BOX",slatMaterial,spar,3); | |
915 | gMC->Gspos(volNam7, i*4+1,"S07M",-xSlat4, ySlat4, -zSlat-2.*dzCh4, 0, "ONLY"); | |
916 | gMC->Gspos(volNam7, i*4+2,"S07M",+xSlat4, ySlat4, -zSlat+2.*dzCh4, 0, "ONLY"); | |
917 | if (i>0) { | |
918 | gMC->Gspos(volNam7, i*4+3,"S07M",-xSlat4,-ySlat4, -zSlat-2.*dzCh4, 0, "ONLY"); | |
919 | gMC->Gspos(volNam7, i*4+4,"S07M",+xSlat4,-ySlat4, -zSlat+2.*dzCh4, 0, "ONLY"); | |
920 | } | |
921 | sprintf(volNam8,"S08%d",i); | |
922 | gMC->Gsvolu(volNam8,"BOX",slatMaterial,spar,3); | |
923 | gMC->Gspos(volNam8, i*4+1,"S08M",-xSlat4, ySlat4, -zSlat-2.*dzCh4, 0, "ONLY"); | |
924 | gMC->Gspos(volNam8, i*4+2,"S08M",+xSlat4, ySlat4, -zSlat+2.*dzCh4, 0, "ONLY"); | |
925 | if (i>0) { | |
926 | gMC->Gspos(volNam8, i*4+3,"S08M",-xSlat4,-ySlat4, -zSlat-2.*dzCh4, 0, "ONLY"); | |
927 | gMC->Gspos(volNam8, i*4+4,"S08M",+xSlat4,-ySlat4, -zSlat+2.*dzCh4, 0, "ONLY"); | |
928 | } | |
929 | } | |
930 | ||
931 | ||
932 | // create the panel volume | |
933 | ||
934 | gMC->Gsvolu("S07C","BOX",panelMaterial,panelpar,3); | |
935 | gMC->Gsvolu("S08C","BOX",panelMaterial,panelpar,3); | |
936 | ||
937 | // create the rohacell volume | |
938 | ||
939 | gMC->Gsvolu("S07R","BOX",rohaMaterial,rohapar,3); | |
940 | gMC->Gsvolu("S08R","BOX",rohaMaterial,rohapar,3); | |
941 | ||
942 | // create the insulating material volume | |
943 | ||
944 | gMC->Gsvolu("S07I","BOX",insuMaterial,insupar,3); | |
945 | gMC->Gsvolu("S08I","BOX",insuMaterial,insupar,3); | |
946 | ||
947 | // create the PCB volume | |
948 | ||
949 | gMC->Gsvolu("S07P","BOX",pcbMaterial,pcbpar,3); | |
950 | gMC->Gsvolu("S08P","BOX",pcbMaterial,pcbpar,3); | |
951 | ||
952 | // create the sensitive volumes, | |
953 | ||
954 | gMC->Gsvolu("S07G","BOX",sensMaterial,dum,0); | |
955 | gMC->Gsvolu("S08G","BOX",sensMaterial,dum,0); | |
956 | ||
957 | // create the vertical frame volume | |
958 | ||
959 | gMC->Gsvolu("S07V","BOX",vFrameMaterial,vFramepar,3); | |
960 | gMC->Gsvolu("S08V","BOX",vFrameMaterial,vFramepar,3); | |
961 | ||
962 | // create the horizontal frame volume | |
963 | ||
964 | gMC->Gsvolu("S07H","BOX",hFrameMaterial,hFramepar,3); | |
965 | gMC->Gsvolu("S08H","BOX",hFrameMaterial,hFramepar,3); | |
966 | ||
967 | // create the horizontal border volume | |
968 | ||
969 | gMC->Gsvolu("S07B","BOX",bFrameMaterial,bFramepar,3); | |
970 | gMC->Gsvolu("S08B","BOX",bFrameMaterial,bFramepar,3); | |
971 | ||
972 | index=0; | |
973 | for (i = 0; i<nSlats4; i++){ | |
974 | sprintf(volNam7,"S07%d",i); | |
975 | sprintf(volNam8,"S08%d",i); | |
976 | Float_t xvFrame = (slatLength4[i] - vFrameLength)/2.; | |
977 | // position the vertical frames | |
978 | if (i!=1 && i!=0) { | |
979 | gMC->Gspos("S07V",2*i-1,volNam7, xvFrame, 0., 0. , 0, "ONLY"); | |
980 | gMC->Gspos("S07V",2*i ,volNam7,-xvFrame, 0., 0. , 0, "ONLY"); | |
981 | gMC->Gspos("S08V",2*i-1,volNam8, xvFrame, 0., 0. , 0, "ONLY"); | |
982 | gMC->Gspos("S08V",2*i ,volNam8,-xvFrame, 0., 0. , 0, "ONLY"); | |
983 | } | |
984 | // position the panels and the insulating material | |
985 | for (j=0; j<nPCB4[i]; j++){ | |
986 | index++; | |
987 | Float_t xx = sensLength * (-nPCB4[i]/2.+j+.5); | |
988 | ||
989 | Float_t zPanel = spar[2] - panelpar[2]; | |
990 | gMC->Gspos("S07C",2*index-1,volNam7, xx, 0., zPanel , 0, "ONLY"); | |
991 | gMC->Gspos("S07C",2*index ,volNam7, xx, 0.,-zPanel , 0, "ONLY"); | |
992 | gMC->Gspos("S08C",2*index-1,volNam8, xx, 0., zPanel , 0, "ONLY"); | |
993 | gMC->Gspos("S08C",2*index ,volNam8, xx, 0.,-zPanel , 0, "ONLY"); | |
994 | ||
995 | gMC->Gspos("S07I",index,volNam7, xx, 0., 0 , 0, "ONLY"); | |
996 | gMC->Gspos("S08I",index,volNam8, xx, 0., 0 , 0, "ONLY"); | |
997 | } | |
998 | } | |
999 | ||
1000 | // position the rohacell volume inside the panel volume | |
1001 | gMC->Gspos("S07R",1,"S07C",0.,0.,0.,0,"ONLY"); | |
1002 | gMC->Gspos("S08R",1,"S08C",0.,0.,0.,0,"ONLY"); | |
1003 | ||
1004 | // position the PCB volume inside the insulating material volume | |
1005 | gMC->Gspos("S07P",1,"S07I",0.,0.,0.,0,"ONLY"); | |
1006 | gMC->Gspos("S08P",1,"S08I",0.,0.,0.,0,"ONLY"); | |
1007 | // position the horizontal frame volume inside the PCB volume | |
1008 | gMC->Gspos("S07H",1,"S07P",0.,0.,0.,0,"ONLY"); | |
1009 | gMC->Gspos("S08H",1,"S08P",0.,0.,0.,0,"ONLY"); | |
1010 | // position the sensitive volume inside the horizontal frame volume | |
1011 | gMC->Gsposp("S07G",1,"S07H",0.,0.,0.,0,"ONLY",senspar,3); | |
1012 | gMC->Gsposp("S08G",1,"S08H",0.,0.,0.,0,"ONLY",senspar,3); | |
1013 | // position the border volumes inside the PCB volume | |
1014 | Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.; | |
1015 | gMC->Gspos("S07B",1,"S07P",0., yborder,0.,0,"ONLY"); | |
1016 | gMC->Gspos("S07B",2,"S07P",0.,-yborder,0.,0,"ONLY"); | |
1017 | gMC->Gspos("S08B",1,"S08P",0., yborder,0.,0,"ONLY"); | |
1018 | gMC->Gspos("S08B",2,"S08P",0.,-yborder,0.,0,"ONLY"); | |
1019 | ||
1020 | // create the NULOC volume and position it in the horizontal frame | |
1021 | ||
1022 | gMC->Gsvolu("S07N","BOX",nulocMaterial,nulocpar,3); | |
1023 | gMC->Gsvolu("S08N","BOX",nulocMaterial,nulocpar,3); | |
1024 | index = 0; | |
1025 | for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) { | |
1026 | index++; | |
1027 | gMC->Gspos("S07N",2*index-1,"S07B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
1028 | gMC->Gspos("S07N",2*index ,"S07B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
1029 | gMC->Gspos("S08N",2*index-1,"S08B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
1030 | gMC->Gspos("S08N",2*index ,"S08B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
1031 | } | |
1032 | ||
1033 | // position the volumes approximating the circular section of the pipe | |
1034 | Float_t yoffs = sensHeight/2. - yOverlap; | |
1035 | Float_t epsilon = 0.001; | |
1036 | Int_t ndiv=6; | |
1037 | Float_t divpar[3]; | |
1038 | Double_t dydiv= sensHeight/ndiv; | |
1039 | Double_t ydiv = yoffs -dydiv; | |
1040 | Int_t imax=0; | |
1041 | imax = 1; | |
1042 | Float_t rmin = 40.; | |
1043 | Float_t z1 = -spar[2], z2=2*spar[2]*1.01; | |
1044 | for (Int_t idiv=0;idiv<ndiv; idiv++){ | |
1045 | ydiv+= dydiv; | |
1046 | Float_t xdiv = 0.; | |
1047 | if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) ); | |
1048 | divpar[0] = (pcbLength-xdiv)/2.; | |
1049 | divpar[1] = dydiv/2. - epsilon; | |
1050 | divpar[2] = sensWidth/2.; | |
1051 | Float_t xvol=(pcbLength+xdiv)/2.+1.999; | |
1052 | Float_t yvol=ydiv + dydiv/2.; | |
1053 | gMC->Gsposp("S07G",imax+4*idiv+1,"S07M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1054 | gMC->Gsposp("S08G",imax+4*idiv+1,"S08M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1055 | gMC->Gsposp("S07G",imax+4*idiv+2,"S07M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1056 | gMC->Gsposp("S08G",imax+4*idiv+2,"S08M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1057 | gMC->Gsposp("S07G",imax+4*idiv+3,"S07M", xvol, yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1058 | gMC->Gsposp("S08G",imax+4*idiv+3,"S08M", xvol, yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1059 | gMC->Gsposp("S07G",imax+4*idiv+4,"S07M", xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1060 | gMC->Gsposp("S08G",imax+4*idiv+4,"S08M", xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1061 | } | |
1062 | ||
1063 | ||
1064 | ||
1065 | ||
1066 | ||
1067 | } | |
1068 | ||
1069 | if (fStations[4]) { | |
1070 | ||
1071 | ||
1072 | //******************************************************************** | |
1073 | // Station 5 ** | |
1074 | //******************************************************************** | |
1075 | // indices 1 and 2 for first and second chambers in the station | |
1076 | // iChamber (first chamber) kept for other quanties than Z, | |
1077 | // assumed to be the same in both chambers | |
1078 | iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[8]; | |
1079 | iChamber2 =(AliMUONChamber*) (*fChambers)[9]; | |
1080 | zpos1=iChamber1->Z(); | |
1081 | zpos2=iChamber2->Z(); | |
1082 | dstation = TMath::Abs(zpos2 - zpos1); | |
1083 | // zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more | |
1084 | ||
1085 | // | |
1086 | // Mother volume | |
1087 | tpar[0] = iChamber->RInner()-dframep; | |
1088 | tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi); | |
1089 | tpar[2] = dstation/5.; | |
1090 | ||
1091 | gMC->Gsvolu("S09M", "TUBE", idAir, tpar, 3); | |
1092 | gMC->Gsvolu("S10M", "TUBE", idAir, tpar, 3); | |
1093 | gMC->Gspos("S09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY"); | |
1094 | gMC->Gspos("S10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY"); | |
1095 | ||
1096 | ||
1097 | const Int_t nSlats5 = 7; // number of slats per quadrant | |
1098 | const Int_t nPCB5[nSlats5] = {5,5,6,6,5,4,3}; // n PCB per slat | |
1099 | const Float_t xpos5[nSlats5] = {38.5, 40., 0., 0., 0., 0., 0.}; | |
1100 | Float_t slatLength5[nSlats5]; | |
1101 | char volNam9[5]; | |
1102 | char volNam10[5]; | |
1103 | Float_t xSlat5; | |
1104 | Float_t ySlat5; | |
1105 | ||
1106 | for (i = 0; i<nSlats5; i++){ | |
1107 | slatLength5[i] = pcbLength * nPCB5[i] + 2. * dSlatLength; | |
1108 | xSlat5 = slatLength5[i]/2. - vFrameLength/2. +xpos5[i]; | |
1109 | if (i==1 || i==0) slatLength5[i] -= 2. *dSlatLength; // frame out in PCB with circular border | |
1110 | ySlat5 = sensHeight * i - yOverlap * i; | |
1111 | spar[0] = slatLength5[i]/2.; | |
1112 | spar[1] = slatHeight/2.; | |
1113 | spar[2] = slatWidth/2. * 1.01; | |
1114 | Float_t dzCh5=spar[2]*1.01; | |
1115 | // zSlat to be checked (odd downstream or upstream?) | |
1116 | Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2]; | |
1117 | sprintf(volNam9,"S09%d",i); | |
1118 | gMC->Gsvolu(volNam9,"BOX",slatMaterial,spar,3); | |
1119 | gMC->Gspos(volNam9, i*4+1,"S09M",-xSlat5, ySlat5, -zSlat-2.*dzCh5, 0, "ONLY"); | |
1120 | gMC->Gspos(volNam9, i*4+2,"S09M",+xSlat5, ySlat5, -zSlat+2.*dzCh5, 0, "ONLY"); | |
1121 | if (i>0) { | |
1122 | gMC->Gspos(volNam9, i*4+3,"S09M",-xSlat5,-ySlat5, -zSlat-2.*dzCh5, 0, "ONLY"); | |
1123 | gMC->Gspos(volNam9, i*4+4,"S09M",+xSlat5,-ySlat5, -zSlat+2.*dzCh5, 0, "ONLY"); | |
1124 | } | |
1125 | sprintf(volNam10,"S10%d",i); | |
1126 | gMC->Gsvolu(volNam10,"BOX",slatMaterial,spar,3); | |
1127 | gMC->Gspos(volNam10, i*4+1,"S10M",-xSlat5, ySlat5, -zSlat-2.*dzCh5, 0, "ONLY"); | |
1128 | gMC->Gspos(volNam10, i*4+2,"S10M",+xSlat5, ySlat5, -zSlat+2.*dzCh5, 0, "ONLY"); | |
1129 | if (i>0) { | |
1130 | gMC->Gspos(volNam10, i*4+3,"S10M",-xSlat5,-ySlat5, -zSlat-2.*dzCh5, 0, "ONLY"); | |
1131 | gMC->Gspos(volNam10, i*4+4,"S10M",+xSlat5,-ySlat5, -zSlat+2.*dzCh5, 0, "ONLY"); | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | // create the panel volume | |
1136 | ||
1137 | gMC->Gsvolu("S09C","BOX",panelMaterial,panelpar,3); | |
1138 | gMC->Gsvolu("S10C","BOX",panelMaterial,panelpar,3); | |
1139 | ||
1140 | // create the rohacell volume | |
1141 | ||
1142 | gMC->Gsvolu("S09R","BOX",rohaMaterial,rohapar,3); | |
1143 | gMC->Gsvolu("S10R","BOX",rohaMaterial,rohapar,3); | |
1144 | ||
1145 | // create the insulating material volume | |
1146 | ||
1147 | gMC->Gsvolu("S09I","BOX",insuMaterial,insupar,3); | |
1148 | gMC->Gsvolu("S10I","BOX",insuMaterial,insupar,3); | |
1149 | ||
1150 | // create the PCB volume | |
1151 | ||
1152 | gMC->Gsvolu("S09P","BOX",pcbMaterial,pcbpar,3); | |
1153 | gMC->Gsvolu("S10P","BOX",pcbMaterial,pcbpar,3); | |
1154 | ||
1155 | // create the sensitive volumes, | |
1156 | ||
1157 | gMC->Gsvolu("S09G","BOX",sensMaterial,dum,0); | |
1158 | gMC->Gsvolu("S10G","BOX",sensMaterial,dum,0); | |
1159 | ||
1160 | // create the vertical frame volume | |
1161 | ||
1162 | gMC->Gsvolu("S09V","BOX",vFrameMaterial,vFramepar,3); | |
1163 | gMC->Gsvolu("S10V","BOX",vFrameMaterial,vFramepar,3); | |
1164 | ||
1165 | // create the horizontal frame volume | |
1166 | ||
1167 | gMC->Gsvolu("S09H","BOX",hFrameMaterial,hFramepar,3); | |
1168 | gMC->Gsvolu("S10H","BOX",hFrameMaterial,hFramepar,3); | |
1169 | ||
1170 | // create the horizontal border volume | |
1171 | ||
1172 | gMC->Gsvolu("S09B","BOX",bFrameMaterial,bFramepar,3); | |
1173 | gMC->Gsvolu("S10B","BOX",bFrameMaterial,bFramepar,3); | |
1174 | ||
1175 | index=0; | |
1176 | for (i = 0; i<nSlats5; i++){ | |
1177 | sprintf(volNam9,"S09%d",i); | |
1178 | sprintf(volNam10,"S10%d",i); | |
1179 | Float_t xvFrame = (slatLength5[i] - vFrameLength)/2.; | |
1180 | // position the vertical frames | |
1181 | if (i!=1 && i!=0) { | |
1182 | gMC->Gspos("S09V",2*i-1,volNam9, xvFrame, 0., 0. , 0, "ONLY"); | |
1183 | gMC->Gspos("S09V",2*i ,volNam9,-xvFrame, 0., 0. , 0, "ONLY"); | |
1184 | gMC->Gspos("S10V",2*i-1,volNam10, xvFrame, 0., 0. , 0, "ONLY"); | |
1185 | gMC->Gspos("S10V",2*i ,volNam10,-xvFrame, 0., 0. , 0, "ONLY"); | |
1186 | } | |
1187 | ||
1188 | // position the panels and the insulating material | |
1189 | for (j=0; j<nPCB5[i]; j++){ | |
1190 | index++; | |
1191 | Float_t xx = sensLength * (-nPCB5[i]/2.+j+.5); | |
1192 | ||
1193 | Float_t zPanel = spar[2] - panelpar[2]; | |
1194 | gMC->Gspos("S09C",2*index-1,volNam9, xx, 0., zPanel , 0, "ONLY"); | |
1195 | gMC->Gspos("S09C",2*index ,volNam9, xx, 0.,-zPanel , 0, "ONLY"); | |
1196 | gMC->Gspos("S10C",2*index-1,volNam10, xx, 0., zPanel , 0, "ONLY"); | |
1197 | gMC->Gspos("S10C",2*index ,volNam10, xx, 0.,-zPanel , 0, "ONLY"); | |
1198 | ||
1199 | gMC->Gspos("S09I",index,volNam9, xx, 0., 0 , 0, "ONLY"); | |
1200 | gMC->Gspos("S10I",index,volNam10, xx, 0., 0 , 0, "ONLY"); | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | // position the rohacell volume inside the panel volume | |
1205 | gMC->Gspos("S09R",1,"S09C",0.,0.,0.,0,"ONLY"); | |
1206 | gMC->Gspos("S10R",1,"S10C",0.,0.,0.,0,"ONLY"); | |
1207 | ||
1208 | // position the PCB volume inside the insulating material volume | |
1209 | gMC->Gspos("S09P",1,"S09I",0.,0.,0.,0,"ONLY"); | |
1210 | gMC->Gspos("S10P",1,"S10I",0.,0.,0.,0,"ONLY"); | |
1211 | // position the horizontal frame volume inside the PCB volume | |
1212 | gMC->Gspos("S09H",1,"S09P",0.,0.,0.,0,"ONLY"); | |
1213 | gMC->Gspos("S10H",1,"S10P",0.,0.,0.,0,"ONLY"); | |
1214 | // position the sensitive volume inside the horizontal frame volume | |
1215 | gMC->Gsposp("S09G",1,"S09H",0.,0.,0.,0,"ONLY",senspar,3); | |
1216 | gMC->Gsposp("S10G",1,"S10H",0.,0.,0.,0,"ONLY",senspar,3); | |
1217 | // position the border volumes inside the PCB volume | |
1218 | Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.; | |
1219 | gMC->Gspos("S09B",1,"S09P",0., yborder,0.,0,"ONLY"); | |
1220 | gMC->Gspos("S09B",2,"S09P",0.,-yborder,0.,0,"ONLY"); | |
1221 | gMC->Gspos("S10B",1,"S10P",0., yborder,0.,0,"ONLY"); | |
1222 | gMC->Gspos("S10B",2,"S10P",0.,-yborder,0.,0,"ONLY"); | |
1223 | ||
1224 | // create the NULOC volume and position it in the horizontal frame | |
1225 | ||
1226 | gMC->Gsvolu("S09N","BOX",nulocMaterial,nulocpar,3); | |
1227 | gMC->Gsvolu("S10N","BOX",nulocMaterial,nulocpar,3); | |
1228 | index = 0; | |
1229 | for (xx = -xxmax; xx<=xxmax; xx+=2*nulocLength) { | |
1230 | index++; | |
1231 | gMC->Gspos("S09N",2*index-1,"S09B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
1232 | gMC->Gspos("S09N",2*index ,"S09B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
1233 | gMC->Gspos("S10N",2*index-1,"S10B", xx, 0.,-bFrameWidth/4., 0, "ONLY"); | |
1234 | gMC->Gspos("S10N",2*index ,"S10B", xx, 0., bFrameWidth/4., 0, "ONLY"); | |
1235 | } | |
1236 | // position the volumes approximating the circular section of the pipe | |
1237 | Float_t yoffs = sensHeight/2. - yOverlap; | |
1238 | Float_t epsilon = 0.001; | |
1239 | Int_t ndiv=6; | |
1240 | Float_t divpar[3]; | |
1241 | Double_t dydiv= sensHeight/ndiv; | |
1242 | Double_t ydiv = yoffs -dydiv; | |
1243 | Int_t imax=0; | |
1244 | // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat]; | |
1245 | imax = 1; | |
1246 | Float_t rmin = 40.; | |
1247 | Float_t z1 = spar[2], z2=2*spar[2]*1.01; | |
1248 | for (Int_t idiv=0;idiv<ndiv; idiv++){ | |
1249 | ydiv+= dydiv; | |
1250 | Float_t xdiv = 0.; | |
1251 | if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) ); | |
1252 | divpar[0] = (pcbLength-xdiv)/2.; | |
1253 | divpar[1] = dydiv/2. - epsilon; | |
1254 | divpar[2] = sensWidth/2.; | |
1255 | Float_t xvol=(pcbLength+xdiv)/2. + 1.999; | |
1256 | Float_t yvol=ydiv + dydiv/2.; | |
1257 | gMC->Gsposp("S09G",imax+4*idiv+1,"S09M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1258 | gMC->Gsposp("S10G",imax+4*idiv+1,"S10M", -xvol, yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1259 | gMC->Gsposp("S09G",imax+4*idiv+2,"S09M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1260 | gMC->Gsposp("S10G",imax+4*idiv+2,"S10M", -xvol,-yvol, -z1-z2, 0, "ONLY",divpar,3); | |
1261 | gMC->Gsposp("S09G",imax+4*idiv+3,"S09M", +xvol, yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1262 | gMC->Gsposp("S10G",imax+4*idiv+3,"S10M", +xvol, yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1263 | gMC->Gsposp("S09G",imax+4*idiv+4,"S09M", +xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1264 | gMC->Gsposp("S10G",imax+4*idiv+4,"S10M", +xvol,-yvol, -z1+z2, 0, "ONLY",divpar,3); | |
1265 | } | |
1266 | ||
1267 | } | |
1268 | ||
1269 | //******************************************************************** | |
1270 | // Trigger ** | |
1271 | //******************************************************************** | |
1272 | /* | |
1273 | zpos1 and zpos2 are the middle of the first and second | |
1274 | planes of station 1 (+1m for second station): | |
1275 | zpos1=(zpos1m+zpos1p)/2=(15999+16071)/2=16035 mm, thick/2=40 mm | |
1276 | zpos2=(zpos2m+zpos2p)/2=(16169+16241)/2=16205 mm, thick/2=40 mm | |
1277 | zposxm and zposxp= middles of gaz gaps within a detection plane | |
1278 | rem: the total thickness accounts for 1 mm of al on both | |
1279 | side of the RPCs (see zpos1 and zpos2) | |
1280 | */ | |
1281 | ||
1282 | // vertical gap between right and left chambers (kDXZERO*2=4cm) | |
1283 | const Float_t kDXZERO=2.; | |
1284 | // main distances for chamber definition in first plane/first station | |
1285 | const Float_t kXMIN=34.; | |
1286 | const Float_t kXMED=51.; | |
1287 | const Float_t kXMAX=272.; | |
1288 | // kXMAX will become 255. in real life. segmentation to be updated accordingly | |
1289 | // (see fig.2-4 & 2-5 of Local Trigger Board PRR) | |
1290 | const Float_t kYMIN=34.; | |
1291 | const Float_t kYMAX=51.; | |
1292 | // inner/outer radius of flange between beam shield. and chambers (1/station) | |
1293 | const Float_t kRMIN[2]={50.,50.}; | |
1294 | const Float_t kRMAX[2]={64.,68.}; | |
1295 | // z position of the middle of the gas gap in mother vol | |
1296 | const Float_t kZm=-3.6; | |
1297 | const Float_t kZp=+3.6; | |
1298 | ||
1299 | iChamber1 = (AliMUONChamber*) (*fChambers)[10]; | |
1300 | zpos1 = iChamber1->Z(); | |
1301 | ||
1302 | // ratio of zpos1m/zpos1p and inverse for first plane | |
1303 | Float_t zmp=(zpos1+3.6)/(zpos1-3.6); | |
1304 | Float_t zpm=1./zmp; | |
1305 | ||
1306 | Int_t icount=0; // chamber counter (0 1 2 3) | |
1307 | ||
1308 | for (Int_t istation=0; istation<2; istation++) { // loop on stations | |
1309 | for (Int_t iplane=0; iplane<2; iplane++) { // loop on detection planes | |
1310 | ||
1311 | Int_t iVolNum=1; // counter Volume Number | |
1312 | icount = Int_t(iplane*TMath::Power(2,0))+ | |
1313 | Int_t(istation*TMath::Power(2,1)); | |
1314 | ||
1315 | char volPlane[5]; | |
1316 | sprintf(volPlane,"SM%d%d",istation+1,iplane+1); | |
1317 | ||
1318 | iChamber = (AliMUONChamber*) (*fChambers)[10+icount]; | |
1319 | Float_t zpos = iChamber->Z(); | |
1320 | ||
1321 | // mother volume | |
1322 | tpar[0] = iChamber->RInner(); | |
1323 | tpar[1] = iChamber->ROuter(); | |
1324 | tpar[2] = 4.0; | |
1325 | gMC->Gsvolu(volPlane,"TUBE",idAir,tpar,3); | |
1326 | ||
1327 | // Flange between beam shielding and RPC | |
1328 | tpar[0]= kRMIN[istation]; | |
1329 | tpar[1]= kRMAX[istation]; | |
1330 | tpar[2]= 4.0; | |
1331 | ||
1332 | char volFlange[5]; | |
1333 | sprintf(volFlange,"SF%dA",icount+1); | |
1334 | gMC->Gsvolu(volFlange,"TUBE",idAlu1,tpar,3); //Al | |
1335 | gMC->Gspos(volFlange,1,volPlane,0.,0.,0.,0,"MANY"); | |
1336 | ||
1337 | // scaling factor | |
1338 | Float_t zRatio = zpos / zpos1; | |
1339 | ||
1340 | // chamber prototype | |
1341 | tpar[0]= 0.; | |
1342 | tpar[1]= 0.; | |
1343 | tpar[2]= 0.; | |
1344 | ||
1345 | char volAlu[5]; // Alu | |
1346 | char volBak[5]; // Bakelite | |
1347 | char volGaz[5]; // Gas streamer | |
1348 | ||
1349 | sprintf(volAlu,"SC%dA",icount+1); | |
1350 | sprintf(volBak,"SB%dA",icount+1); | |
1351 | sprintf(volGaz,"SG%dA",icount+1); | |
1352 | ||
1353 | gMC->Gsvolu(volAlu,"BOX",idAlu1,tpar,0); // Al | |
1354 | gMC->Gsvolu(volBak,"BOX",idtmed[1107],tpar,0); // Bakelite | |
1355 | gMC->Gsvolu(volGaz,"BOX",idtmed[1106],tpar,0); // Gas streamer | |
1356 | ||
1357 | // chamber type A | |
1358 | tpar[0] = -1.; | |
1359 | tpar[1] = -1.; | |
1360 | ||
1361 | Float_t xA=(kDXZERO+kXMED+(kXMAX-kXMED)/2.)*zRatio; | |
1362 | Float_t yAm=0.; | |
1363 | Float_t yAp=0.; | |
1364 | ||
1365 | tpar[2] = 0.1; | |
1366 | gMC->Gsposp(volGaz,1,volBak,0.,0.,0.,0,"ONLY",tpar,3); | |
1367 | tpar[2] = 0.3; | |
1368 | gMC->Gsposp(volBak,1,volAlu,0.,0.,0.,0,"ONLY",tpar,3); | |
1369 | ||
1370 | tpar[2] = 0.4; | |
1371 | tpar[0] = ((kXMAX-kXMED)/2.)*zRatio; | |
1372 | tpar[1] = kYMIN*zRatio; | |
1373 | ||
1374 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xA,yAm,-kZm,0,"ONLY",tpar,3); | |
1375 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xA,yAp,-kZp,0,"ONLY",tpar,3); | |
1376 | gMC->Gsbool(volAlu,volFlange); | |
1377 | ||
1378 | // chamber type B | |
1379 | Float_t tpar1save=tpar[1]; | |
1380 | Float_t y1msave=yAm; | |
1381 | Float_t y1psave=yAp; | |
1382 | ||
1383 | tpar[0] = ((kXMAX-kXMIN)/2.) * zRatio; | |
1384 | tpar[1] = ((kYMAX-kYMIN)/2.) * zRatio; | |
1385 | ||
1386 | Float_t xB=(kDXZERO+kXMIN)*zRatio+tpar[0]; | |
1387 | Float_t yBp=(y1msave+tpar1save)*zpm+tpar[1]; | |
1388 | Float_t yBm=(y1psave+tpar1save)*zmp+tpar[1]; | |
1389 | ||
1390 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xB, yBp,-kZp,0,"ONLY",tpar,3); | |
1391 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xB, yBm,-kZm,0,"ONLY",tpar,3); | |
1392 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xB,-yBp,-kZp,0,"ONLY",tpar,3); | |
1393 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xB,-yBm,-kZm,0,"ONLY",tpar,3); | |
1394 | ||
1395 | // chamber type C (note : same Z than type B) | |
1396 | tpar1save=tpar[1]; | |
1397 | y1msave=yBm; | |
1398 | y1psave=yBp; | |
1399 | ||
1400 | tpar[0] = (kXMAX/2)*zRatio; | |
1401 | tpar[1] = (kYMAX/2)*zRatio; | |
1402 | ||
1403 | Float_t xC=kDXZERO*zRatio+tpar[0]; | |
1404 | Float_t yCp=(y1psave+tpar1save)*1.+tpar[1]; | |
1405 | Float_t yCm=(y1msave+tpar1save)*1.+tpar[1]; | |
1406 | ||
1407 | gMC->Gsposp(volAlu,iVolNum++,volPlane,-xC, yCp,-kZp,0,"ONLY",tpar,3); | |
1408 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xC, yCm,-kZm,0,"ONLY",tpar,3); | |
1409 | gMC->Gsposp(volAlu,iVolNum++,volPlane,-xC,-yCp,-kZp,0,"ONLY",tpar,3); | |
1410 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xC,-yCm,-kZm,0,"ONLY",tpar,3); | |
1411 | ||
1412 | // chamber type D, E and F (same size) | |
1413 | tpar1save=tpar[1]; | |
1414 | y1msave=yCm; | |
1415 | y1psave=yCp; | |
1416 | ||
1417 | tpar[0] = (kXMAX/2.)*zRatio; | |
1418 | tpar[1] = kYMIN*zRatio; | |
1419 | ||
1420 | Float_t xD=kDXZERO*zRatio+tpar[0]; | |
1421 | Float_t yDp=(y1msave+tpar1save)*zpm+tpar[1]; | |
1422 | Float_t yDm=(y1psave+tpar1save)*zmp+tpar[1]; | |
1423 | ||
1424 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yDm,-kZm,0,"ONLY",tpar,3); | |
1425 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yDp,-kZp,0,"ONLY",tpar,3); | |
1426 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yDm,-kZm,0,"ONLY",tpar,3); | |
1427 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yDp,-kZp,0,"ONLY",tpar,3); | |
1428 | ||
1429 | tpar1save=tpar[1]; | |
1430 | y1msave=yDm; | |
1431 | y1psave=yDp; | |
1432 | Float_t yEp=(y1msave+tpar1save)*zpm+tpar[1]; | |
1433 | Float_t yEm=(y1psave+tpar1save)*zmp+tpar[1]; | |
1434 | ||
1435 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yEp,-kZp,0,"ONLY",tpar,3); | |
1436 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yEm,-kZm,0,"ONLY",tpar,3); | |
1437 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yEp,-kZp,0,"ONLY",tpar,3); | |
1438 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yEm,-kZm,0,"ONLY",tpar,3); | |
1439 | ||
1440 | tpar1save=tpar[1]; | |
1441 | y1msave=yEm; | |
1442 | y1psave=yEp; | |
1443 | Float_t yFp=(y1msave+tpar1save)*zpm+tpar[1]; | |
1444 | Float_t yFm=(y1psave+tpar1save)*zmp+tpar[1]; | |
1445 | ||
1446 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD, yFm,-kZm,0,"ONLY",tpar,3); | |
1447 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD, yFp,-kZp,0,"ONLY",tpar,3); | |
1448 | gMC->Gsposp(volAlu,iVolNum++,volPlane, -xD,-yFm,-kZm,0,"ONLY",tpar,3); | |
1449 | gMC->Gsposp(volAlu,iVolNum++,volPlane, xD,-yFp,-kZp,0,"ONLY",tpar,3); | |
1450 | ||
1451 | // Positioning plane in ALICE | |
1452 | gMC->Gspos(volPlane,1,"ALIC",0.,0.,zpos,0,"ONLY"); | |
1453 | ||
1454 | } // end loop on detection planes | |
1455 | } // end loop on stations | |
1456 | ||
1457 | } | |
1458 | ||
1459 | ||
1460 | //___________________________________________ | |
1461 | void AliMUONv1::CreateMaterials() | |
1462 | { | |
1463 | // *** DEFINITION OF AVAILABLE MUON MATERIALS *** | |
1464 | // | |
1465 | // Ar-CO2 gas (80%+20%) | |
1466 | Float_t ag1[3] = { 39.95,12.01,16. }; | |
1467 | Float_t zg1[3] = { 18.,6.,8. }; | |
1468 | Float_t wg1[3] = { .8,.0667,.13333 }; | |
1469 | Float_t dg1 = .001821; | |
1470 | // | |
1471 | // Ar-buthane-freon gas -- trigger chambers | |
1472 | Float_t atr1[4] = { 39.95,12.01,1.01,19. }; | |
1473 | Float_t ztr1[4] = { 18.,6.,1.,9. }; | |
1474 | Float_t wtr1[4] = { .56,.1262857,.2857143,.028 }; | |
1475 | Float_t dtr1 = .002599; | |
1476 | // | |
1477 | // Ar-CO2 gas | |
1478 | Float_t agas[3] = { 39.95,12.01,16. }; | |
1479 | Float_t zgas[3] = { 18.,6.,8. }; | |
1480 | Float_t wgas[3] = { .74,.086684,.173316 }; | |
1481 | Float_t dgas = .0018327; | |
1482 | // | |
1483 | // Ar-Isobutane gas (80%+20%) -- tracking | |
1484 | Float_t ag[3] = { 39.95,12.01,1.01 }; | |
1485 | Float_t zg[3] = { 18.,6.,1. }; | |
1486 | Float_t wg[3] = { .8,.057,.143 }; | |
1487 | Float_t dg = .0019596; | |
1488 | // | |
1489 | // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger | |
1490 | Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 }; | |
1491 | Float_t ztrig[5] = { 18.,6.,1.,9.,16. }; | |
1492 | Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 }; | |
1493 | Float_t dtrig = .0031463; | |
1494 | // | |
1495 | // bakelite | |
1496 | ||
1497 | Float_t abak[3] = {12.01 , 1.01 , 16.}; | |
1498 | Float_t zbak[3] = {6. , 1. , 8.}; | |
1499 | Float_t wbak[3] = {6. , 6. , 1.}; | |
1500 | Float_t dbak = 1.4; | |
1501 | ||
1502 | Float_t epsil, stmin, deemax, tmaxfd, stemax; | |
1503 | ||
1504 | Int_t iSXFLD = gAlice->Field()->Integ(); | |
1505 | Float_t sXMGMX = gAlice->Field()->Max(); | |
1506 | // | |
1507 | // --- Define the various materials for GEANT --- | |
1508 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
1509 | AliMaterial(10, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
1510 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500); | |
1511 | AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak); | |
1512 | AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg); | |
1513 | AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig); | |
1514 | AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1); | |
1515 | AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1); | |
1516 | AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas); | |
1517 | // materials for slat: | |
1518 | // Sensitive area: gas (already defined) | |
1519 | // PCB: copper | |
1520 | // insulating material and frame: vetronite | |
1521 | // walls: carbon, rohacell, carbon | |
1522 | Float_t aglass[5]={12.01, 28.09, 16., 10.8, 23.}; | |
1523 | Float_t zglass[5]={ 6., 14., 8., 5., 11.}; | |
1524 | Float_t wglass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01}; | |
1525 | Float_t dglass=1.74; | |
1526 | ||
1527 | // rohacell: C9 H13 N1 O2 | |
1528 | Float_t arohac[4] = {12.01, 1.01, 14.010, 16.}; | |
1529 | Float_t zrohac[4] = { 6., 1., 7., 8.}; | |
1530 | Float_t wrohac[4] = { 9., 13., 1., 2.}; | |
1531 | Float_t drohac = 0.03; | |
1532 | ||
1533 | AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.); | |
1534 | AliMixture(32, "Vetronite$",aglass, zglass, dglass, 5, wglass); | |
1535 | AliMaterial(33, "Carbon$", 12.01, 6., 2.265, 18.8, 49.9); | |
1536 | AliMixture(34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac); | |
1537 | ||
1538 | ||
1539 | epsil = .001; // Tracking precision, | |
1540 | stemax = -1.; // Maximum displacement for multiple scat | |
1541 | tmaxfd = -20.; // Maximum angle due to field deflection | |
1542 | deemax = -.3; // Maximum fractional energy loss, DLS | |
1543 | stmin = -.8; | |
1544 | // | |
1545 | // Air | |
1546 | AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin); | |
1547 | // | |
1548 | // Aluminum | |
1549 | ||
1550 | AliMedium(4, "ALU_CH_US ", 9, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu, | |
1551 | fMaxDestepAlu, epsil, stmin); | |
1552 | AliMedium(5, "ALU_CH_US ", 10, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu, | |
1553 | fMaxDestepAlu, epsil, stmin); | |
1554 | // | |
1555 | // Ar-isoC4H10 gas | |
1556 | ||
1557 | AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas, | |
1558 | fMaxDestepGas, epsil, stmin); | |
1559 | // | |
1560 | // Ar-Isobuthane-Forane-SF6 gas | |
1561 | ||
1562 | AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin); | |
1563 | ||
1564 | AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu, | |
1565 | fMaxDestepAlu, epsil, stmin); | |
1566 | ||
1567 | AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas, | |
1568 | fMaxDestepAlu, epsil, stmin); | |
1569 | // tracking media for slats: check the parameters!! | |
1570 | AliMedium(11, "PCB_COPPER ", 31, 0, iSXFLD, sXMGMX, tmaxfd, | |
1571 | fMaxStepAlu, fMaxDestepAlu, epsil, stmin); | |
1572 | AliMedium(12, "VETRONITE ", 32, 0, iSXFLD, sXMGMX, tmaxfd, | |
1573 | fMaxStepAlu, fMaxDestepAlu, epsil, stmin); | |
1574 | AliMedium(13, "CARBON ", 33, 0, iSXFLD, sXMGMX, tmaxfd, | |
1575 | fMaxStepAlu, fMaxDestepAlu, epsil, stmin); | |
1576 | AliMedium(14, "Rohacell ", 34, 0, iSXFLD, sXMGMX, tmaxfd, | |
1577 | fMaxStepAlu, fMaxDestepAlu, epsil, stmin); | |
1578 | } | |
1579 | ||
1580 | //___________________________________________ | |
1581 | ||
1582 | void AliMUONv1::Init() | |
1583 | { | |
1584 | // | |
1585 | // Initialize Tracking Chambers | |
1586 | // | |
1587 | ||
1588 | if(fDebug) printf("\n%s: Start Init for version 1 - CPC chamber type\n\n",ClassName()); | |
1589 | Int_t i; | |
1590 | for (i=0; i<AliMUONConstants::NCh(); i++) { | |
1591 | ( (AliMUONChamber*) (*fChambers)[i])->Init(); | |
1592 | } | |
1593 | ||
1594 | // | |
1595 | // Set the chamber (sensitive region) GEANT identifier | |
1596 | ((AliMUONChamber*)(*fChambers)[0])->SetGid(gMC->VolId("S01G")); | |
1597 | ((AliMUONChamber*)(*fChambers)[1])->SetGid(gMC->VolId("S02G")); | |
1598 | ||
1599 | ((AliMUONChamber*)(*fChambers)[2])->SetGid(gMC->VolId("S03G")); | |
1600 | ((AliMUONChamber*)(*fChambers)[3])->SetGid(gMC->VolId("S04G")); | |
1601 | ||
1602 | ((AliMUONChamber*)(*fChambers)[4])->SetGid(gMC->VolId("S05G")); | |
1603 | ((AliMUONChamber*)(*fChambers)[5])->SetGid(gMC->VolId("S06G")); | |
1604 | ||
1605 | ((AliMUONChamber*)(*fChambers)[6])->SetGid(gMC->VolId("S07G")); | |
1606 | ((AliMUONChamber*)(*fChambers)[7])->SetGid(gMC->VolId("S08G")); | |
1607 | ||
1608 | ((AliMUONChamber*)(*fChambers)[8])->SetGid(gMC->VolId("S09G")); | |
1609 | ((AliMUONChamber*)(*fChambers)[9])->SetGid(gMC->VolId("S10G")); | |
1610 | ||
1611 | ((AliMUONChamber*)(*fChambers)[10])->SetGid(gMC->VolId("SG1A")); | |
1612 | ((AliMUONChamber*)(*fChambers)[11])->SetGid(gMC->VolId("SG2A")); | |
1613 | ((AliMUONChamber*)(*fChambers)[12])->SetGid(gMC->VolId("SG3A")); | |
1614 | ((AliMUONChamber*)(*fChambers)[13])->SetGid(gMC->VolId("SG4A")); | |
1615 | ||
1616 | if(fDebug) printf("\n%s: Finished Init for version 1 - CPC chamber type\n",ClassName()); | |
1617 | ||
1618 | //cp | |
1619 | if(fDebug) printf("\n%s: Start Init for Trigger Circuits\n",ClassName()); | |
1620 | for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) { | |
1621 | ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i); | |
1622 | } | |
1623 | if(fDebug) printf("%s: Finished Init for Trigger Circuits\n",ClassName()); | |
1624 | //cp | |
1625 | ||
1626 | } | |
1627 | ||
1628 | //_______________________________________________________________________________ | |
1629 | Int_t AliMUONv1::GetChamberId(Int_t volId) const | |
1630 | { | |
1631 | // Check if the volume with specified volId is a sensitive volume (gas) | |
1632 | // of some chamber and returns the chamber number; | |
1633 | // if not sensitive volume - return 0. | |
1634 | // --- | |
1635 | ||
1636 | for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++) | |
1637 | if (volId==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) return i; | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | //_______________________________________________________________________________ | |
1642 | void AliMUONv1::StepManager() | |
1643 | { | |
1644 | if (fStepManagerVersionOld) { | |
1645 | StepManagerOld(); | |
1646 | return; | |
1647 | } | |
1648 | ||
1649 | // Only charged tracks | |
1650 | if( !(gMC->TrackCharge()) ) return; | |
1651 | // Only charged tracks | |
1652 | ||
1653 | // Only gas gap inside chamber | |
1654 | // Tag chambers and record hits when track enters | |
1655 | Int_t idvol=-1; | |
1656 | Int_t iChamber=0; | |
1657 | Int_t id=0; | |
1658 | Int_t copy; | |
1659 | const Float_t kBig = 1.e10; | |
1660 | ||
1661 | id=gMC->CurrentVolID(copy); | |
1662 | // printf("id == %d \n",id); | |
1663 | for (Int_t i = 1; i <= AliMUONConstants::NCh(); i++) { | |
1664 | if(id==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()) { | |
1665 | iChamber = i; | |
1666 | idvol = i-1; | |
1667 | } | |
1668 | } | |
1669 | if (idvol == -1) { | |
1670 | return; | |
1671 | } | |
1672 | ||
1673 | if( gMC->IsTrackEntering() ) { | |
1674 | Float_t theta = fTrackMomentum.Theta(); | |
1675 | if ( (theta>=10) ) gMC->SetMaxStep(fStepMaxInActiveGas); | |
1676 | } | |
1677 | ||
1678 | // if (GetDebug()) { | |
1679 | // Float_t z = ( (AliMUONChamber*)(*fChambers)[idvol])->Z() ; | |
1680 | // Info("StepManager Step","Active volume found %d chamber %d Z chamber is %f ",idvol,iChamber, z); | |
1681 | // } | |
1682 | // Particule id and mass, | |
1683 | Int_t ipart = gMC->TrackPid(); | |
1684 | Float_t mass = gMC->TrackMass(); | |
1685 | ||
1686 | fDestepSum[idvol]+=gMC->Edep(); | |
1687 | // Get current particle id (ipart), track position (pos) and momentum (mom) | |
1688 | if ( fStepSum[idvol]==0.0 ) gMC->TrackMomentum(fTrackMomentum); | |
1689 | fStepSum[idvol]+=gMC->TrackStep(); | |
1690 | ||
1691 | // if (GetDebug()) { | |
1692 | // Info("StepManager Step","iChamber %d, Particle %d, theta %f phi %f mass %f StepSum %f eloss %g", | |
1693 | // iChamber,ipart, fTrackMomentum.Theta()*kRaddeg, fTrackMomentum.Phi()*kRaddeg, mass, fStepSum[idvol], gMC->Edep()); | |
1694 | // Info("StepManager Step","Track Momentum %f %f %f", fTrackMomentum.X(), fTrackMomentum.Y(), fTrackMomentum.Z()) ; | |
1695 | // gMC->TrackPosition(fTrackPosition); | |
1696 | // Info("StepManager Step","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
1697 | // } | |
1698 | ||
1699 | // Track left chamber or StepSum larger than fStepMaxInActiveGas | |
1700 | if ( gMC->IsTrackExiting() || | |
1701 | gMC->IsTrackStop() || | |
1702 | gMC->IsTrackDisappeared()|| | |
1703 | (fStepSum[idvol]>fStepMaxInActiveGas) ) { | |
1704 | ||
1705 | if ( gMC->IsTrackExiting() || | |
1706 | gMC->IsTrackStop() || | |
1707 | gMC->IsTrackDisappeared() ) gMC->SetMaxStep(kBig); | |
1708 | ||
1709 | gMC->TrackPosition(fTrackPosition); | |
1710 | Float_t theta = fTrackMomentum.Theta(); | |
1711 | Float_t phi = fTrackMomentum.Phi(); | |
1712 | ||
1713 | TLorentzVector BackToWire( fStepSum[idvol]/2.*sin(theta)*cos(phi), | |
1714 | fStepSum[idvol]/2.*sin(theta)*sin(phi), | |
1715 | fStepSum[idvol]/2.*cos(theta),0.0 ); | |
1716 | // if (GetDebug()) | |
1717 | // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
1718 | // if (GetDebug()) | |
1719 | // Info("StepManager Exit ","Track BackToWire %f %f %f",BackToWire.X(),BackToWire.Y(),BackToWire.Z()) ; | |
1720 | fTrackPosition-=BackToWire; | |
1721 | ||
1722 | //-------------- Angle effect | |
1723 | // Ratio between energy loss of particle and Mip as a function of BetaGamma of particle (Energy/Mass) | |
1724 | ||
1725 | Float_t Beta_x_Gamma = fTrackMomentum.P()/mass;// pc/mc2 | |
1726 | Float_t SigmaEffect_10degrees; | |
1727 | Float_t SigmaEffect_thetadegrees; | |
1728 | Float_t ELossParticle_ELossMip; | |
1729 | Float_t YAngleEffect=0.; | |
1730 | Float_t theta_wires = TMath::Abs( TMath::ASin( TMath::Sin(theta) * TMath::Sin(phi) ) ); | |
1731 | ||
1732 | if ( (Beta_x_Gamma >3.2) && (theta_wires*kRaddeg<=10) ) { | |
1733 | Beta_x_Gamma=TMath::Log(Beta_x_Gamma); | |
1734 | ELossParticle_ELossMip = fElossRatio->Eval(Beta_x_Gamma); | |
1735 | // 10 degrees is a reference for a model (arbitrary) | |
1736 | SigmaEffect_10degrees=fAngleEffect10->Eval(ELossParticle_ELossMip);// in micrometers | |
1737 | // Angle with respect to the wires assuming that chambers are perpendicular to the z axis. | |
1738 | SigmaEffect_thetadegrees = SigmaEffect_10degrees/fAngleEffectNorma->Eval(theta_wires*kRaddeg); // For 5mm gap | |
1739 | if ( (iChamber==1) || (iChamber==2) ) | |
1740 | SigmaEffect_thetadegrees/=(1.09833e+00+1.70000e-02*theta_wires*kRaddeg); // The gap is different (4mm) | |
1741 | YAngleEffect=1.e-04*gRandom->Gaus(0,SigmaEffect_thetadegrees); // Error due to the angle effect in cm | |
1742 | } | |
1743 | ||
1744 | ||
1745 | // One hit per chamber | |
1746 | GetMUONData()->AddHit(fIshunt, gAlice->GetMCApp()->GetCurrentTrackNumber(), iChamber, ipart, | |
1747 | fTrackPosition.X(), fTrackPosition.Y()+YAngleEffect, fTrackPosition.Z(), 0.0, | |
1748 | fTrackMomentum.P(),theta, phi, fStepSum[idvol], fDestepSum[idvol], | |
1749 | fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()); | |
1750 | // if (GetDebug()){ | |
1751 | // Info("StepManager Exit","Particle exiting from chamber %d",iChamber); | |
1752 | // Info("StepManager Exit","StepSum %f eloss geant %g ",fStepSum[idvol],fDestepSum[idvol]); | |
1753 | // Info("StepManager Exit","Track Position %f %f %f",fTrackPosition.X(),fTrackPosition.Y(),fTrackPosition.Z()) ; | |
1754 | // } | |
1755 | fStepSum[idvol] =0; // Reset for the next event | |
1756 | fDestepSum[idvol]=0; // Reset for the next event | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | //___________________________________________ | |
1761 | void AliMUONv1::StepManagerOld() | |
1762 | { | |
1763 | Int_t copy, id; | |
1764 | static Int_t idvol; | |
1765 | static Int_t vol[2]; | |
1766 | Int_t ipart; | |
1767 | TLorentzVector pos; | |
1768 | TLorentzVector mom; | |
1769 | Float_t theta,phi; | |
1770 | Float_t destep, step; | |
1771 | ||
1772 | static Float_t Sstep; | |
1773 | static Float_t eloss, eloss2, xhit, yhit, zhit, tof, tlength; | |
1774 | const Float_t kBig = 1.e10; | |
1775 | static Float_t hits[15]; | |
1776 | ||
1777 | TClonesArray &lhits = *fHits; | |
1778 | ||
1779 | // | |
1780 | // | |
1781 | // Only charged tracks | |
1782 | if( !(gMC->TrackCharge()) ) return; | |
1783 | // | |
1784 | // Only gas gap inside chamber | |
1785 | // Tag chambers and record hits when track enters | |
1786 | id=gMC->CurrentVolID(copy); | |
1787 | vol[0] = GetChamberId(id); | |
1788 | idvol = vol[0] -1; | |
1789 | ||
1790 | if (idvol == -1) return; | |
1791 | ||
1792 | // | |
1793 | // Get current particle id (ipart), track position (pos) and momentum (mom) | |
1794 | gMC->TrackPosition(pos); | |
1795 | gMC->TrackMomentum(mom); | |
1796 | ||
1797 | ipart = gMC->TrackPid(); | |
1798 | ||
1799 | // | |
1800 | // momentum loss and steplength in last step | |
1801 | destep = gMC->Edep(); | |
1802 | step = gMC->TrackStep(); | |
1803 | // cout<<"------------"<<step<<endl; | |
1804 | // | |
1805 | // record hits when track enters ... | |
1806 | if( gMC->IsTrackEntering()) { | |
1807 | ||
1808 | gMC->SetMaxStep(fMaxStepGas); | |
1809 | Double_t tc = mom[0]*mom[0]+mom[1]*mom[1]; | |
1810 | Double_t rt = TMath::Sqrt(tc); | |
1811 | Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]); | |
1812 | Double_t tx = mom[0]/pmom; | |
1813 | Double_t ty = mom[1]/pmom; | |
1814 | Double_t tz = mom[2]/pmom; | |
1815 | Double_t s = ((AliMUONChamber*)(*fChambers)[idvol]) | |
1816 | ->ResponseModel() | |
1817 | ->Pitch()/tz; | |
1818 | theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg; | |
1819 | phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg; | |
1820 | hits[0] = Float_t(ipart); // Geant3 particle type | |
1821 | hits[1] = pos[0]+s*tx; // X-position for hit | |
1822 | hits[2] = pos[1]+s*ty; // Y-position for hit | |
1823 | hits[3] = pos[2]+s*tz; // Z-position for hit | |
1824 | hits[4] = theta; // theta angle of incidence | |
1825 | hits[5] = phi; // phi angle of incidence | |
1826 | hits[8] = 0;//PadHits does not exist anymore (Float_t) fNPadHits; // first padhit | |
1827 | hits[9] = -1; // last pad hit | |
1828 | hits[10] = mom[3]; // hit momentum P | |
1829 | hits[11] = mom[0]; // Px | |
1830 | hits[12] = mom[1]; // Py | |
1831 | hits[13] = mom[2]; // Pz | |
1832 | tof=gMC->TrackTime(); | |
1833 | hits[14] = tof; // Time of flight | |
1834 | tlength = 0; | |
1835 | eloss = 0; | |
1836 | eloss2 = 0; | |
1837 | Sstep=0; | |
1838 | xhit = pos[0]; | |
1839 | yhit = pos[1]; | |
1840 | zhit = pos[2]; | |
1841 | Chamber(idvol).ChargeCorrelationInit(); | |
1842 | // Only if not trigger chamber | |
1843 | ||
1844 | // printf("---------------------------\n"); | |
1845 | // printf(">>>> Y = %f \n",hits[2]); | |
1846 | // printf("---------------------------\n"); | |
1847 | ||
1848 | ||
1849 | ||
1850 | // if(idvol < AliMUONConstants::NTrackingCh()) { | |
1851 | // // | |
1852 | // // Initialize hit position (cursor) in the segmentation model | |
1853 | // ((AliMUONChamber*) (*fChambers)[idvol]) | |
1854 | // ->SigGenInit(pos[0], pos[1], pos[2]); | |
1855 | // } else { | |
1856 | // //geant3->Gpcxyz(); | |
1857 | // //printf("In the Trigger Chamber #%d\n",idvol-9); | |
1858 | // } | |
1859 | } | |
1860 | eloss2+=destep; | |
1861 | Sstep+=step; | |
1862 | ||
1863 | // cout<<Sstep<<endl; | |
1864 | ||
1865 | // | |
1866 | // Calculate the charge induced on a pad (disintegration) in case | |
1867 | // | |
1868 | // Mip left chamber ... | |
1869 | if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){ | |
1870 | gMC->SetMaxStep(kBig); | |
1871 | eloss += destep; | |
1872 | tlength += step; | |
1873 | ||
1874 | Float_t x0,y0,z0; | |
1875 | Float_t localPos[3]; | |
1876 | Float_t globalPos[3] = {pos[0], pos[1], pos[2]}; | |
1877 | gMC->Gmtod(globalPos,localPos,1); | |
1878 | ||
1879 | if(idvol < AliMUONConstants::NTrackingCh()) { | |
1880 | // tracking chambers | |
1881 | x0 = 0.5*(xhit+pos[0]); | |
1882 | y0 = 0.5*(yhit+pos[1]); | |
1883 | z0 = 0.5*(zhit+pos[2]); | |
1884 | } else { | |
1885 | // trigger chambers | |
1886 | x0 = xhit; | |
1887 | y0 = yhit; | |
1888 | z0 = 0.; | |
1889 | } | |
1890 | ||
1891 | ||
1892 | // if (eloss >0) MakePadHits(x0,y0,z0,eloss,tof,idvol); | |
1893 | ||
1894 | ||
1895 | hits[6] = tlength; // track length | |
1896 | hits[7] = eloss2; // de/dx energy loss | |
1897 | ||
1898 | ||
1899 | // if (fNPadHits > (Int_t)hits[8]) { | |
1900 | // hits[8] = hits[8]+1; | |
1901 | // hits[9] = 0: // PadHits does not exist anymore (Float_t) fNPadHits; | |
1902 | //} | |
1903 | // | |
1904 | // new hit | |
1905 | ||
1906 | new(lhits[fNhits++]) | |
1907 | AliMUONHit(fIshunt, gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); | |
1908 | eloss = 0; | |
1909 | // | |
1910 | // Check additional signal generation conditions | |
1911 | // defined by the segmentation | |
1912 | // model (boundary crossing conditions) | |
1913 | // only for tracking chambers | |
1914 | } else if | |
1915 | ((idvol < AliMUONConstants::NTrackingCh()) && | |
1916 | ((AliMUONChamber*) (*fChambers)[idvol])->SigGenCond(pos[0], pos[1], pos[2])) | |
1917 | { | |
1918 | ((AliMUONChamber*) (*fChambers)[idvol]) | |
1919 | ->SigGenInit(pos[0], pos[1], pos[2]); | |
1920 | ||
1921 | Float_t localPos[3]; | |
1922 | Float_t globalPos[3] = {pos[0], pos[1], pos[2]}; | |
1923 | gMC->Gmtod(globalPos,localPos,1); | |
1924 | ||
1925 | eloss += destep; | |
1926 | ||
1927 | // if (eloss > 0 && idvol < AliMUONConstants::NTrackingCh()) | |
1928 | // MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),pos[2],eloss,tof,idvol); | |
1929 | xhit = pos[0]; | |
1930 | yhit = pos[1]; | |
1931 | zhit = pos[2]; | |
1932 | eloss = 0; | |
1933 | tlength += step ; | |
1934 | // | |
1935 | // nothing special happened, add up energy loss | |
1936 | } else { | |
1937 | eloss += destep; | |
1938 | tlength += step ; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 |