1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.22 2001/01/17 21:01:21 hristov
19 Unused variable removed
21 Revision 1.21 2000/12/20 13:00:22 egangler
23 Added charge correlation between cathods.
25 MUON->Chamber(chamber-1).SetChargeCorrel(0.11); to set the RMS of
26 q1/q2 to 11 % (number from Alberto)
27 This is stored in AliMUONChamber fChargeCorrel member.
28 At generation time, when a tracks enters the volume,
29 AliMUONv1::StepManager calls
30 AliMUONChamber::ChargeCorrelationInit() to set the current value of
31 fCurrentCorrel which is then used at Disintegration level to scale
32 appropriately the PadHit charges.
34 Revision 1.20 2000/12/04 17:48:23 gosset
35 Modifications for stations 1 et 2 mainly:
36 * station 1 with 4 mm gas gap and smaller cathode segmentation...
37 * stations 1 and 2 with "grey" frame crosses
38 * mean noise at 1.5 ADC channel
39 * Ar-CO2 gas (80%+20%)
41 Revision 1.19 2000/12/02 17:15:46 morsch
42 Correction of dead zones in inner regions of stations 3-5
43 Correction of length of slats 3 and 9 of station 4.
45 Revision 1.17 2000/11/24 12:57:10 morsch
46 New version of geometry for stations 3-5 "Slats" (A. de Falco)
47 - sensitive region at station 3 inner radius
48 - improved volume tree structure
50 Revision 1.16 2000/11/08 13:01:40 morsch
51 Chamber half-planes of stations 3-5 at different z-positions.
53 Revision 1.15 2000/11/06 11:39:02 morsch
54 Bug in StepManager() corrected.
56 Revision 1.14 2000/11/06 09:16:50 morsch
57 Avoid overlap of slat volumes.
59 Revision 1.13 2000/10/26 07:33:44 morsch
60 Correct x-position of slats in station 5.
62 Revision 1.12 2000/10/25 19:55:35 morsch
63 Switches for each station individually for debug and lego.
65 Revision 1.11 2000/10/22 16:44:01 morsch
66 Update of slat geometry for stations 3,4,5 (A. deFalco)
68 Revision 1.10 2000/10/12 16:07:04 gosset
70 * SigGenCond only called for tracking chambers,
71 hence no more division by 0,
72 and may use last ALIROOT/dummies.C with exception handling;
73 * "10" replaced by "AliMUONConstants::NTrackingCh()".
75 Revision 1.9 2000/10/06 15:37:22 morsch
76 Problems with variable redefinition in for-loop solved.
77 Variable names starting with u-case letters changed to l-case.
79 Revision 1.8 2000/10/06 09:06:31 morsch
80 Include Slat chambers (stations 3-5) into geometry (A. de Falco)
82 Revision 1.7 2000/10/02 21:28:09 fca
83 Removal of useless dependecies via forward declarations
85 Revision 1.6 2000/10/02 17:20:45 egangler
86 Cleaning of the code (continued ) :
89 -> some useless includes removed or replaced by "class" statement
91 Revision 1.5 2000/06/28 15:16:35 morsch
92 (1) Client code adapted to new method signatures in AliMUONSegmentation (see comments there)
93 to allow development of slat-muon chamber simulation and reconstruction code in the MUON
94 framework. The changes should have no side effects (mostly dummy arguments).
95 (2) Hit disintegration uses 3-dim hit coordinates to allow simulation
96 of chambers with overlapping modules (MakePadHits, Disintegration).
98 Revision 1.4 2000/06/26 14:02:38 morsch
99 Add class AliMUONConstants with MUON specific constants using static memeber data and access methods.
101 Revision 1.3 2000/06/22 14:10:05 morsch
102 HP scope problems corrected (PH)
104 Revision 1.2 2000/06/15 07:58:49 morsch
105 Code from MUON-dev joined
107 Revision 1.1.2.14 2000/06/14 14:37:25 morsch
108 Initialization of TriggerCircuit added (PC)
110 Revision 1.1.2.13 2000/06/09 21:55:47 morsch
111 Most coding rule violations corrected.
113 Revision 1.1.2.12 2000/05/05 11:34:29 morsch
116 Revision 1.1.2.11 2000/05/05 10:06:48 morsch
117 Coding Rule violations regarding trigger section corrected (CP)
118 Log messages included.
121 /////////////////////////////////////////////////////////
122 // Manager and hits classes for set:MUON version 0 //
123 /////////////////////////////////////////////////////////
128 #include <TLorentzVector.h>
129 #include <iostream.h>
131 #include "AliMUONv1.h"
135 #include "AliCallf77.h"
136 #include "AliConst.h"
137 #include "AliMUONChamber.h"
138 #include "AliMUONHit.h"
139 #include "AliMUONPadHit.h"
140 #include "AliMUONConstants.h"
141 #include "AliMUONTriggerCircuit.h"
145 //___________________________________________
146 AliMUONv1::AliMUONv1() : AliMUON()
152 //___________________________________________
153 AliMUONv1::AliMUONv1(const char *name, const char *title)
154 : AliMUON(name,title)
159 //___________________________________________
160 void AliMUONv1::CreateGeometry()
163 // Note: all chambers have the same structure, which could be
164 // easily parameterised. This was intentionally not done in order
165 // to give a starting point for the implementation of the actual
166 // design of each station.
167 Int_t *idtmed = fIdtmed->GetArray()-1099;
169 // Distance between Stations
173 // Float_t pgpar[10];
174 Float_t zpos1, zpos2, zfpos;
175 // Outer excess and inner recess for mother volume radius
176 // with respect to ROuter and RInner
177 Float_t dframep=.001; // Value for station 3 should be 6 ...
178 // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
179 // Float_t dframep1=.001;
180 Float_t dframep1 = 11.0;
181 // Bool_t frameCrosses=kFALSE;
182 Bool_t frameCrosses=kTRUE;
184 // Float_t dframez=0.9;
185 // Half of the total thickness of frame crosses (including DAlu)
186 // for each chamber in stations 1 and 2:
187 // 3% of X0 of composite material,
188 // but taken as Aluminium here, with same thickness in number of X0
189 Float_t dframez = 3. * 8.9 / 100;
194 // Rotation matrices in the x-y plane
197 AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.);
199 AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.);
201 AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.);
203 AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.);
205 Float_t phi=2*TMath::Pi()/12/2;
208 // pointer to the current chamber
209 // pointer to the current chamber
210 Int_t idAlu1=idtmed[1103]; // medium 4
211 Int_t idAlu2=idtmed[1104]; // medium 5
212 // Int_t idAlu1=idtmed[1100];
213 // Int_t idAlu2=idtmed[1100];
214 Int_t idAir=idtmed[1100]; // medium 1
215 // Int_t idGas=idtmed[1105]; // medium 6 = Ar-isoC4H10 gas
216 Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
219 AliMUONChamber *iChamber, *iChamber1, *iChamber2;
220 Int_t stations[5] = {1, 1, 1, 1, 1};
224 //********************************************************************
226 //********************************************************************
228 // indices 1 and 2 for first and second chambers in the station
229 // iChamber (first chamber) kept for other quanties than Z,
230 // assumed to be the same in both chambers
231 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[0];
232 iChamber2 =(AliMUONChamber*) (*fChambers)[1];
233 zpos1=iChamber1->Z();
234 zpos2=iChamber2->Z();
235 dstation = zpos2 - zpos1;
236 // DGas decreased from standard one (0.5)
237 iChamber->SetDGas(0.4); iChamber2->SetDGas(0.4);
238 // DAlu increased from standard one (3% of X0),
239 // because more electronics with smaller pads
240 iChamber->SetDAlu(3.5 * 8.9 / 100.); iChamber2->SetDAlu(3.5 * 8.9 / 100.);
241 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
245 tpar[0] = iChamber->RInner()-dframep;
246 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
247 tpar[2] = dstation/5;
249 gMC->Gsvolu("C01M", "TUBE", idAir, tpar, 3);
250 gMC->Gsvolu("C02M", "TUBE", idAir, tpar, 3);
251 gMC->Gspos("C01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
252 gMC->Gspos("C02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
253 // // Aluminium frames
255 // pgpar[0] = 360/12/2;
259 // pgpar[4] = -dframez/2;
260 // pgpar[5] = iChamber->ROuter();
261 // pgpar[6] = pgpar[5]+dframep1;
262 // pgpar[7] = +dframez/2;
263 // pgpar[8] = pgpar[5];
264 // pgpar[9] = pgpar[6];
265 // gMC->Gsvolu("C01O", "PGON", idAlu1, pgpar, 10);
266 // gMC->Gsvolu("C02O", "PGON", idAlu1, pgpar, 10);
267 // gMC->Gspos("C01O",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
268 // gMC->Gspos("C01O",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
269 // gMC->Gspos("C02O",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
270 // gMC->Gspos("C02O",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
273 // tpar[0]= iChamber->RInner()-dframep1;
274 // tpar[1]= iChamber->RInner();
275 // tpar[2]= dframez/2;
276 // gMC->Gsvolu("C01I", "TUBE", idAlu1, tpar, 3);
277 // gMC->Gsvolu("C02I", "TUBE", idAlu1, tpar, 3);
279 // gMC->Gspos("C01I",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
280 // gMC->Gspos("C01I",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
281 // gMC->Gspos("C02I",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
282 // gMC->Gspos("C02I",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
287 // security for inside mother volume
288 bpar[0] = (iChamber->ROuter() - iChamber->RInner())
289 * TMath::Cos(TMath::ASin(dframep1 /
290 (iChamber->ROuter() - iChamber->RInner())))
292 bpar[1] = dframep1/2;
293 // total thickness will be (4 * bpar[2]) for each chamber,
294 // which has to be equal to (2 * dframez) - DAlu
295 bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
296 gMC->Gsvolu("C01B", "BOX", idAlu1, bpar, 3);
297 gMC->Gsvolu("C02B", "BOX", idAlu1, bpar, 3);
299 gMC->Gspos("C01B",1,"C01M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
300 idrotm[1100],"ONLY");
301 gMC->Gspos("C01B",2,"C01M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
302 idrotm[1100],"ONLY");
303 gMC->Gspos("C01B",3,"C01M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
304 idrotm[1101],"ONLY");
305 gMC->Gspos("C01B",4,"C01M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
306 idrotm[1101],"ONLY");
307 gMC->Gspos("C01B",5,"C01M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
308 idrotm[1100],"ONLY");
309 gMC->Gspos("C01B",6,"C01M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
310 idrotm[1100],"ONLY");
311 gMC->Gspos("C01B",7,"C01M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
312 idrotm[1101],"ONLY");
313 gMC->Gspos("C01B",8,"C01M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
314 idrotm[1101],"ONLY");
316 gMC->Gspos("C02B",1,"C02M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
317 idrotm[1100],"ONLY");
318 gMC->Gspos("C02B",2,"C02M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
319 idrotm[1100],"ONLY");
320 gMC->Gspos("C02B",3,"C02M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
321 idrotm[1101],"ONLY");
322 gMC->Gspos("C02B",4,"C02M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
323 idrotm[1101],"ONLY");
324 gMC->Gspos("C02B",5,"C02M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
325 idrotm[1100],"ONLY");
326 gMC->Gspos("C02B",6,"C02M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
327 idrotm[1100],"ONLY");
328 gMC->Gspos("C02B",7,"C02M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
329 idrotm[1101],"ONLY");
330 gMC->Gspos("C02B",8,"C02M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
331 idrotm[1101],"ONLY");
334 // Chamber Material represented by Alu sheet
335 tpar[0]= iChamber->RInner();
336 tpar[1]= iChamber->ROuter();
337 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
338 gMC->Gsvolu("C01A", "TUBE", idAlu2, tpar, 3);
339 gMC->Gsvolu("C02A", "TUBE",idAlu2, tpar, 3);
340 gMC->Gspos("C01A", 1, "C01M", 0., 0., 0., 0, "ONLY");
341 gMC->Gspos("C02A", 1, "C02M", 0., 0., 0., 0, "ONLY");
344 // tpar[2] = iChamber->DGas();
345 tpar[2] = iChamber->DGas()/2;
346 gMC->Gsvolu("C01G", "TUBE", idGas, tpar, 3);
347 gMC->Gsvolu("C02G", "TUBE", idGas, tpar, 3);
348 gMC->Gspos("C01G", 1, "C01A", 0., 0., 0., 0, "ONLY");
349 gMC->Gspos("C02G", 1, "C02A", 0., 0., 0., 0, "ONLY");
351 // Frame Crosses to be placed inside gas
352 // NONE: chambers are sensitive everywhere
353 // if (frameCrosses) {
355 // dr = (iChamber->ROuter() - iChamber->RInner());
356 // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
357 // bpar[1] = dframep1/2;
358 // bpar[2] = iChamber->DGas()/2;
359 // gMC->Gsvolu("C01F", "BOX", idAlu1, bpar, 3);
360 // gMC->Gsvolu("C02F", "BOX", idAlu1, bpar, 3);
362 // gMC->Gspos("C01F",1,"C01G", +iChamber->RInner()+bpar[0] , 0, 0,
363 // idrotm[1100],"ONLY");
364 // gMC->Gspos("C01F",2,"C01G", -iChamber->RInner()-bpar[0] , 0, 0,
365 // idrotm[1100],"ONLY");
366 // gMC->Gspos("C01F",3,"C01G", 0, +iChamber->RInner()+bpar[0] , 0,
367 // idrotm[1101],"ONLY");
368 // gMC->Gspos("C01F",4,"C01G", 0, -iChamber->RInner()-bpar[0] , 0,
369 // idrotm[1101],"ONLY");
371 // gMC->Gspos("C02F",1,"C02G", +iChamber->RInner()+bpar[0] , 0, 0,
372 // idrotm[1100],"ONLY");
373 // gMC->Gspos("C02F",2,"C02G", -iChamber->RInner()-bpar[0] , 0, 0,
374 // idrotm[1100],"ONLY");
375 // gMC->Gspos("C02F",3,"C02G", 0, +iChamber->RInner()+bpar[0] , 0,
376 // idrotm[1101],"ONLY");
377 // gMC->Gspos("C02F",4,"C02G", 0, -iChamber->RInner()-bpar[0] , 0,
378 // idrotm[1101],"ONLY");
383 //********************************************************************
385 //********************************************************************
386 // indices 1 and 2 for first and second chambers in the station
387 // iChamber (first chamber) kept for other quanties than Z,
388 // assumed to be the same in both chambers
389 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2];
390 iChamber2 =(AliMUONChamber*) (*fChambers)[3];
391 zpos1=iChamber1->Z();
392 zpos2=iChamber2->Z();
393 dstation = zpos2 - zpos1;
394 // DGas and DAlu not changed from standard values
395 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
399 tpar[0] = iChamber->RInner()-dframep;
400 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
401 tpar[2] = dstation/5;
403 gMC->Gsvolu("C03M", "TUBE", idAir, tpar, 3);
404 gMC->Gsvolu("C04M", "TUBE", idAir, tpar, 3);
405 gMC->Gspos("C03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
406 gMC->Gspos("C04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
408 // // Aluminium frames
410 // pgpar[0] = 360/12/2;
414 // pgpar[4] = -dframez/2;
415 // pgpar[5] = iChamber->ROuter();
416 // pgpar[6] = pgpar[5]+dframep;
417 // pgpar[7] = +dframez/2;
418 // pgpar[8] = pgpar[5];
419 // pgpar[9] = pgpar[6];
420 // gMC->Gsvolu("C03O", "PGON", idAlu1, pgpar, 10);
421 // gMC->Gsvolu("C04O", "PGON", idAlu1, pgpar, 10);
422 // gMC->Gspos("C03O",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
423 // gMC->Gspos("C03O",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
424 // gMC->Gspos("C04O",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
425 // gMC->Gspos("C04O",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
428 // tpar[0]= iChamber->RInner()-dframep;
429 // tpar[1]= iChamber->RInner();
430 // tpar[2]= dframez/2;
431 // gMC->Gsvolu("C03I", "TUBE", idAlu1, tpar, 3);
432 // gMC->Gsvolu("C04I", "TUBE", idAlu1, tpar, 3);
434 // gMC->Gspos("C03I",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
435 // gMC->Gspos("C03I",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
436 // gMC->Gspos("C04I",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
437 // gMC->Gspos("C04I",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
442 // security for inside mother volume
443 bpar[0] = (iChamber->ROuter() - iChamber->RInner())
444 * TMath::Cos(TMath::ASin(dframep1 /
445 (iChamber->ROuter() - iChamber->RInner())))
447 bpar[1] = dframep1/2;
448 // total thickness will be (4 * bpar[2]) for each chamber,
449 // which has to be equal to (2 * dframez) - DAlu
450 bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
451 gMC->Gsvolu("C03B", "BOX", idAlu1, bpar, 3);
452 gMC->Gsvolu("C04B", "BOX", idAlu1, bpar, 3);
454 gMC->Gspos("C03B",1,"C03M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
455 idrotm[1100],"ONLY");
456 gMC->Gspos("C03B",2,"C03M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
457 idrotm[1100],"ONLY");
458 gMC->Gspos("C03B",3,"C03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
459 idrotm[1101],"ONLY");
460 gMC->Gspos("C03B",4,"C03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
461 idrotm[1101],"ONLY");
462 gMC->Gspos("C03B",5,"C03M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
463 idrotm[1100],"ONLY");
464 gMC->Gspos("C03B",6,"C03M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
465 idrotm[1100],"ONLY");
466 gMC->Gspos("C03B",7,"C03M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
467 idrotm[1101],"ONLY");
468 gMC->Gspos("C03B",8,"C03M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
469 idrotm[1101],"ONLY");
471 gMC->Gspos("C04B",1,"C04M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
472 idrotm[1100],"ONLY");
473 gMC->Gspos("C04B",2,"C04M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
474 idrotm[1100],"ONLY");
475 gMC->Gspos("C04B",3,"C04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
476 idrotm[1101],"ONLY");
477 gMC->Gspos("C04B",4,"C04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
478 idrotm[1101],"ONLY");
479 gMC->Gspos("C04B",5,"C04M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
480 idrotm[1100],"ONLY");
481 gMC->Gspos("C04B",6,"C04M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
482 idrotm[1100],"ONLY");
483 gMC->Gspos("C04B",7,"C04M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
484 idrotm[1101],"ONLY");
485 gMC->Gspos("C04B",8,"C04M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
486 idrotm[1101],"ONLY");
489 // Chamber Material represented by Alu sheet
490 tpar[0]= iChamber->RInner();
491 tpar[1]= iChamber->ROuter();
492 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
493 gMC->Gsvolu("C03A", "TUBE", idAlu2, tpar, 3);
494 gMC->Gsvolu("C04A", "TUBE", idAlu2, tpar, 3);
495 gMC->Gspos("C03A", 1, "C03M", 0., 0., 0., 0, "ONLY");
496 gMC->Gspos("C04A", 1, "C04M", 0., 0., 0., 0, "ONLY");
499 // tpar[2] = iChamber->DGas();
500 tpar[2] = iChamber->DGas()/2;
501 gMC->Gsvolu("C03G", "TUBE", idGas, tpar, 3);
502 gMC->Gsvolu("C04G", "TUBE", idGas, tpar, 3);
503 gMC->Gspos("C03G", 1, "C03A", 0., 0., 0., 0, "ONLY");
504 gMC->Gspos("C04G", 1, "C04A", 0., 0., 0., 0, "ONLY");
506 // Frame Crosses to be placed inside gas
507 // NONE: chambers are sensitive everywhere
508 // if (frameCrosses) {
510 // dr = (iChamber->ROuter() - iChamber->RInner());
511 // bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
512 // bpar[1] = dframep1/2;
513 // bpar[2] = iChamber->DGas()/2;
514 // gMC->Gsvolu("C03F", "BOX", idAlu1, bpar, 3);
515 // gMC->Gsvolu("C04F", "BOX", idAlu1, bpar, 3);
517 // gMC->Gspos("C03F",1,"C03G", +iChamber->RInner()+bpar[0] , 0, 0,
518 // idrotm[1100],"ONLY");
519 // gMC->Gspos("C03F",2,"C03G", -iChamber->RInner()-bpar[0] , 0, 0,
520 // idrotm[1100],"ONLY");
521 // gMC->Gspos("C03F",3,"C03G", 0, +iChamber->RInner()+bpar[0] , 0,
522 // idrotm[1101],"ONLY");
523 // gMC->Gspos("C03F",4,"C03G", 0, -iChamber->RInner()-bpar[0] , 0,
524 // idrotm[1101],"ONLY");
526 // gMC->Gspos("C04F",1,"C04G", +iChamber->RInner()+bpar[0] , 0, 0,
527 // idrotm[1100],"ONLY");
528 // gMC->Gspos("C04F",2,"C04G", -iChamber->RInner()-bpar[0] , 0, 0,
529 // idrotm[1100],"ONLY");
530 // gMC->Gspos("C04F",3,"C04G", 0, +iChamber->RInner()+bpar[0] , 0,
531 // idrotm[1101],"ONLY");
532 // gMC->Gspos("C04F",4,"C04G", 0, -iChamber->RInner()-bpar[0] , 0,
533 // idrotm[1101],"ONLY");
536 // define the id of tracking media:
537 Int_t idCopper = idtmed[1110];
538 Int_t idGlass = idtmed[1111];
539 Int_t idCarbon = idtmed[1112];
540 Int_t idRoha = idtmed[1113];
542 // sensitive area: 40*40 cm**2
543 const Float_t sensLength = 40.;
544 const Float_t sensHeight = 40.;
545 const Float_t sensWidth = 0.5; // according to TDR fig 2.120
546 const Int_t sensMaterial = idGas;
547 const Float_t yOverlap = 1.5;
549 // PCB dimensions in cm; width: 30 mum copper
550 const Float_t pcbLength = sensLength;
551 const Float_t pcbHeight = 60.;
552 const Float_t pcbWidth = 0.003;
553 const Int_t pcbMaterial = idCopper;
555 // Insulating material: 200 mum glass fiber glued to pcb
556 const Float_t insuLength = pcbLength;
557 const Float_t insuHeight = pcbHeight;
558 const Float_t insuWidth = 0.020;
559 const Int_t insuMaterial = idGlass;
561 // Carbon fiber panels: 200mum carbon/epoxy skin
562 const Float_t panelLength = sensLength;
563 const Float_t panelHeight = sensHeight;
564 const Float_t panelWidth = 0.020;
565 const Int_t panelMaterial = idCarbon;
567 // rohacell between the two carbon panels
568 const Float_t rohaLength = sensLength;
569 const Float_t rohaHeight = sensHeight;
570 const Float_t rohaWidth = 0.5;
571 const Int_t rohaMaterial = idRoha;
573 // Frame around the slat: 2 sticks along length,2 along height
574 // H: the horizontal ones
575 const Float_t hFrameLength = pcbLength;
576 const Float_t hFrameHeight = 1.5;
577 const Float_t hFrameWidth = sensWidth;
578 const Int_t hFrameMaterial = idGlass;
580 // V: the vertical ones
581 const Float_t vFrameLength = 4.0;
582 const Float_t vFrameHeight = sensHeight + hFrameHeight;
583 const Float_t vFrameWidth = sensWidth;
584 const Int_t vFrameMaterial = idGlass;
586 // B: the horizontal border filled with rohacell
587 const Float_t bFrameLength = hFrameLength;
588 const Float_t bFrameHeight = (pcbHeight - sensHeight)/2. - hFrameHeight;
589 const Float_t bFrameWidth = hFrameWidth;
590 const Int_t bFrameMaterial = idRoha;
592 // NULOC: 30 mum copper + 200 mum vetronite (same radiation length as 14mum copper)
593 const Float_t nulocLength = 2.5;
594 const Float_t nulocHeight = 7.5;
595 const Float_t nulocWidth = 0.0030 + 0.0014; // equivalent copper width of vetronite;
596 const Int_t nulocMaterial = idCopper;
598 const Float_t slatHeight = pcbHeight;
599 const Float_t slatWidth = sensWidth + 2.*(pcbWidth + insuWidth +
600 2.* panelWidth + rohaWidth);
601 const Int_t slatMaterial = idAir;
602 const Float_t dSlatLength = vFrameLength; // border on left and right
607 // the panel volume contains the rohacell
609 Float_t twidth = 2 * panelWidth + rohaWidth;
610 Float_t panelpar[3] = { panelLength/2., panelHeight/2., twidth/2. };
611 Float_t rohapar[3] = { rohaLength/2., rohaHeight/2., rohaWidth/2. };
613 // insulating material contains PCB-> gas-> 2 borders filled with rohacell
615 twidth = 2*(insuWidth + pcbWidth) + sensWidth;
616 Float_t insupar[3] = { insuLength/2., insuHeight/2., twidth/2. };
617 twidth -= 2 * insuWidth;
618 Float_t pcbpar[3] = { pcbLength/2., pcbHeight/2., twidth/2. };
619 Float_t senspar[3] = { sensLength/2., sensHeight/2., sensWidth/2. };
620 Float_t theight = 2*hFrameHeight + sensHeight;
621 Float_t hFramepar[3]={hFrameLength/2., theight/2., hFrameWidth/2.};
622 Float_t bFramepar[3]={bFrameLength/2., bFrameHeight/2., bFrameWidth/2.};
623 Float_t vFramepar[3]={vFrameLength/2., vFrameHeight/2., vFrameWidth/2.};
624 Float_t nulocpar[3]={nulocLength/2., nulocHeight/2., nulocWidth/2.};
626 Float_t xxmax = (bFrameLength - nulocLength)/2.;
631 //********************************************************************
633 //********************************************************************
634 // indices 1 and 2 for first and second chambers in the station
635 // iChamber (first chamber) kept for other quanties than Z,
636 // assumed to be the same in both chambers
637 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[4];
638 iChamber2 =(AliMUONChamber*) (*fChambers)[5];
639 zpos1=iChamber1->Z();
640 zpos2=iChamber2->Z();
641 dstation = zpos2 - zpos1;
643 // zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
646 tpar[0] = iChamber->RInner()-dframep;
647 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
648 tpar[2] = dstation/4;
649 gMC->Gsvolu("C05M", "TUBE", idAir, tpar, 3);
650 gMC->Gsvolu("C06M", "TUBE", idAir, tpar, 3);
651 gMC->Gspos("C05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
652 gMC->Gspos("C06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
654 // volumes for slat geometry (xx=5,..,10 chamber id):
655 // Sxx0 Sxx1 Sxx2 Sxx3 --> Slat Mother volumes
656 // SxxG --> Sensitive volume (gas)
657 // SxxP --> PCB (copper)
658 // SxxI --> Insulator (vetronite)
659 // SxxC --> Carbon panel
661 // SxxH, SxxV --> Horizontal and Vertical frames (vetronite)
663 // slat dimensions: slat is a MOTHER volume!!! made of air
665 const Int_t nSlats3 = 5; // number of slats per quadrant
666 const Int_t nPCB3[nSlats3] = {3,3,4,3,2}; // n PCB per slat
667 const Float_t xpos3[nSlats3] = {30., 40., 0., 0., 0.};
668 Float_t slatLength3[nSlats3];
670 // create and position the slat (mother) volumes
676 for (i = 0; i<nSlats3; i++){
677 slatLength3[i] = pcbLength * nPCB3[i] + 2. * dSlatLength;
678 xSlat3 = slatLength3[i]/2. - vFrameLength/2. + xpos3[i];
679 if (i==1) slatLength3[i] -= 2. *dSlatLength; // frame out in PCB with circular border
680 Float_t ySlat31 = sensHeight * i - yOverlap * i;
681 Float_t ySlat32 = -sensHeight * i + yOverlap * i;
682 spar[0] = slatLength3[i]/2.;
683 spar[1] = slatHeight/2.;
684 spar[2] = slatWidth/2. * 1.01;
685 Float_t dzCh3=spar[2] * 1.01;
686 // zSlat to be checked (odd downstream or upstream?)
687 Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2];
688 sprintf(volNam5,"S05%d",i);
689 gMC->Gsvolu(volNam5,"BOX",slatMaterial,spar,3);
690 gMC->Gspos(volNam5, i*4+1,"C05M", xSlat3, ySlat31, zSlat+2.*dzCh3, 0, "ONLY");
691 gMC->Gspos(volNam5, i*4+2,"C05M",-xSlat3, ySlat31, zSlat-2.*dzCh3, 0, "ONLY");
693 gMC->Gspos(volNam5, i*4+3,"C05M", xSlat3, ySlat32, zSlat+2.*dzCh3, 0, "ONLY");
694 gMC->Gspos(volNam5, i*4+4,"C05M",-xSlat3, ySlat32, zSlat-2.*dzCh3, 0, "ONLY");
696 sprintf(volNam6,"S06%d",i);
697 gMC->Gsvolu(volNam6,"BOX",slatMaterial,spar,3);
698 gMC->Gspos(volNam6, i*4+1,"C06M", xSlat3, ySlat31, zSlat+2.*dzCh3, 0, "ONLY");
699 gMC->Gspos(volNam6, i*4+2,"C06M",-xSlat3, ySlat31, zSlat-2.*dzCh3, 0, "ONLY");
701 gMC->Gspos(volNam6, i*4+3,"C06M", xSlat3, ySlat32, zSlat+2.*dzCh3, 0, "ONLY");
702 gMC->Gspos(volNam6, i*4+4,"C06M",-xSlat3, ySlat32, zSlat-2.*dzCh3, 0, "ONLY");
706 // create the panel volume
708 gMC->Gsvolu("S05C","BOX",panelMaterial,panelpar,3);
709 gMC->Gsvolu("S06C","BOX",panelMaterial,panelpar,3);
711 // create the rohacell volume
713 gMC->Gsvolu("S05R","BOX",rohaMaterial,rohapar,3);
714 gMC->Gsvolu("S06R","BOX",rohaMaterial,rohapar,3);
716 // create the insulating material volume
718 gMC->Gsvolu("S05I","BOX",insuMaterial,insupar,3);
719 gMC->Gsvolu("S06I","BOX",insuMaterial,insupar,3);
721 // create the PCB volume
723 gMC->Gsvolu("S05P","BOX",pcbMaterial,pcbpar,3);
724 gMC->Gsvolu("S06P","BOX",pcbMaterial,pcbpar,3);
726 // create the sensitive volumes,
727 gMC->Gsvolu("S05G","BOX",sensMaterial,0,0);
728 gMC->Gsvolu("S06G","BOX",sensMaterial,0,0);
731 // create the vertical frame volume
733 gMC->Gsvolu("S05V","BOX",vFrameMaterial,vFramepar,3);
734 gMC->Gsvolu("S06V","BOX",vFrameMaterial,vFramepar,3);
736 // create the horizontal frame volume
738 gMC->Gsvolu("S05H","BOX",hFrameMaterial,hFramepar,3);
739 gMC->Gsvolu("S06H","BOX",hFrameMaterial,hFramepar,3);
741 // create the horizontal border volume
743 gMC->Gsvolu("S05B","BOX",bFrameMaterial,bFramepar,3);
744 gMC->Gsvolu("S06B","BOX",bFrameMaterial,bFramepar,3);
747 for (i = 0; i<nSlats3; i++){
748 sprintf(volNam5,"S05%d",i);
749 sprintf(volNam6,"S06%d",i);
750 Float_t xvFrame = (slatLength3[i] - vFrameLength)/2.;
751 // position the vertical frames
753 gMC->Gspos("S05V",2*i-1,volNam5, xvFrame, 0., 0. , 0, "ONLY");
754 gMC->Gspos("S05V",2*i ,volNam5,-xvFrame, 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");
758 // position the panels and the insulating material
759 for (j=0; j<nPCB3[i]; j++){
761 Float_t xx = sensLength * (-nPCB3[i]/2.+j+.5);
763 Float_t zPanel = spar[2] - panelpar[2];
764 gMC->Gspos("S05C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY");
765 gMC->Gspos("S05C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY");
766 gMC->Gspos("S06C",2*index-1,volNam6, xx, 0., zPanel , 0, "ONLY");
767 gMC->Gspos("S06C",2*index ,volNam6, xx, 0.,-zPanel , 0, "ONLY");
769 gMC->Gspos("S05I",index,volNam5, xx, 0., 0 , 0, "ONLY");
770 gMC->Gspos("S06I",index,volNam6, xx, 0., 0 , 0, "ONLY");
774 // position the rohacell volume inside the panel volume
775 gMC->Gspos("S05R",1,"S05C",0.,0.,0.,0,"ONLY");
776 gMC->Gspos("S06R",1,"S06C",0.,0.,0.,0,"ONLY");
778 // position the PCB volume inside the insulating material volume
779 gMC->Gspos("S05P",1,"S05I",0.,0.,0.,0,"ONLY");
780 gMC->Gspos("S06P",1,"S06I",0.,0.,0.,0,"ONLY");
781 // position the horizontal frame volume inside the PCB volume
782 gMC->Gspos("S05H",1,"S05P",0.,0.,0.,0,"ONLY");
783 gMC->Gspos("S06H",1,"S06P",0.,0.,0.,0,"ONLY");
784 // position the sensitive volume inside the horizontal frame volume
785 gMC->Gsposp("S05G",1,"S05H",0.,0.,0.,0,"ONLY",senspar,3);
786 gMC->Gsposp("S06G",1,"S06H",0.,0.,0.,0,"ONLY",senspar,3);
787 // position the border volumes inside the PCB volume
788 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
789 gMC->Gspos("S05B",1,"S05P",0., yborder,0.,0,"ONLY");
790 gMC->Gspos("S05B",2,"S05P",0.,-yborder,0.,0,"ONLY");
791 gMC->Gspos("S06B",1,"S06P",0., yborder,0.,0,"ONLY");
792 gMC->Gspos("S06B",2,"S06P",0.,-yborder,0.,0,"ONLY");
794 // create the NULOC volume and position it in the horizontal frame
796 gMC->Gsvolu("S05N","BOX",nulocMaterial,nulocpar,3);
797 gMC->Gsvolu("S06N","BOX",nulocMaterial,nulocpar,3);
799 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
801 gMC->Gspos("S05N",2*index-1,"S05B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
802 gMC->Gspos("S05N",2*index ,"S05B", xx, 0., bFrameWidth/4., 0, "ONLY");
803 gMC->Gspos("S06N",2*index-1,"S06B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
804 gMC->Gspos("S06N",2*index ,"S06B", xx, 0., bFrameWidth/4., 0, "ONLY");
807 // position the volumes approximating the circular section of the pipe
808 Float_t yoffs = sensHeight/2. - yOverlap;
809 Float_t epsilon = 0.001;
812 Double_t dydiv= sensHeight/ndiv;
813 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
815 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
818 Float_t z1 = spar[2], z2=2*spar[2]*1.01;
819 for (Int_t idiv=0;idiv<ndiv; idiv++){
822 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
823 divpar[0] = (pcbLength-xdiv)/2.;
824 divpar[1] = dydiv/2. - epsilon;
825 divpar[2] = sensWidth/2.;
826 Float_t xvol=(pcbLength+xdiv)/2.+1.999;
827 Float_t yvol=ydiv + dydiv/2.;
828 gMC->Gsposp("S05G",imax+4*idiv+1,"C05M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
829 gMC->Gsposp("S06G",imax+4*idiv+1,"C06M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
830 gMC->Gsposp("S05G",imax+4*idiv+2,"C05M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
831 gMC->Gsposp("S06G",imax+4*idiv+2,"C06M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
832 gMC->Gsposp("S05G",imax+4*idiv+3,"C05M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
833 gMC->Gsposp("S06G",imax+4*idiv+3,"C06M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
834 gMC->Gsposp("S05G",imax+4*idiv+4,"C05M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
835 gMC->Gsposp("S06G",imax+4*idiv+4,"C06M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
842 //********************************************************************
844 //********************************************************************
845 // indices 1 and 2 for first and second chambers in the station
846 // iChamber (first chamber) kept for other quanties than Z,
847 // assumed to be the same in both chambers
848 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[6];
849 iChamber2 =(AliMUONChamber*) (*fChambers)[7];
850 zpos1=iChamber1->Z();
851 zpos2=iChamber2->Z();
852 dstation = zpos2 - zpos1;
853 // zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
857 tpar[0] = iChamber->RInner()-dframep;
858 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
861 gMC->Gsvolu("C07M", "TUBE", idAir, tpar, 3);
862 gMC->Gsvolu("C08M", "TUBE", idAir, tpar, 3);
863 gMC->Gspos("C07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
864 gMC->Gspos("C08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
867 const Int_t nSlats4 = 6; // number of slats per quadrant
868 const Int_t nPCB4[nSlats4] = {4,4,5,5,4,3}; // n PCB per slat
869 const Float_t xpos4[nSlats4] = {37.5, 40., 0., 0., 0., 0.};
870 Float_t slatLength4[nSlats4];
872 // create and position the slat (mother) volumes
879 for (i = 0; i<nSlats4; i++){
880 slatLength4[i] = pcbLength * nPCB4[i] + 2. * dSlatLength;
881 xSlat4 = slatLength4[i]/2. - vFrameLength/2. + xpos4[i];
882 if (i==1) slatLength4[i] -= 2. *dSlatLength; // frame out in PCB with circular border
883 ySlat4 = sensHeight * i - yOverlap *i;
885 spar[0] = slatLength4[i]/2.;
886 spar[1] = slatHeight/2.;
887 spar[2] = slatWidth/2.*1.01;
888 Float_t dzCh4=spar[2]*1.01;
889 // zSlat to be checked (odd downstream or upstream?)
890 Float_t zSlat = (i%2 ==0)? spar[2] : -spar[2];
891 sprintf(volNam7,"S07%d",i);
892 gMC->Gsvolu(volNam7,"BOX",slatMaterial,spar,3);
893 gMC->Gspos(volNam7, i*4+1,"C07M", xSlat4, ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
894 gMC->Gspos(volNam7, i*4+2,"C07M",-xSlat4, ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
896 gMC->Gspos(volNam7, i*4+3,"C07M", xSlat4,-ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
897 gMC->Gspos(volNam7, i*4+4,"C07M",-xSlat4,-ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
899 sprintf(volNam8,"S08%d",i);
900 gMC->Gsvolu(volNam8,"BOX",slatMaterial,spar,3);
901 gMC->Gspos(volNam8, i*4+1,"C08M", xSlat4, ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
902 gMC->Gspos(volNam8, i*4+2,"C08M",-xSlat4, ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
904 gMC->Gspos(volNam8, i*4+3,"C08M", xSlat4,-ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
905 gMC->Gspos(volNam8, i*4+4,"C08M",-xSlat4,-ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
910 // create the panel volume
912 gMC->Gsvolu("S07C","BOX",panelMaterial,panelpar,3);
913 gMC->Gsvolu("S08C","BOX",panelMaterial,panelpar,3);
915 // create the rohacell volume
917 gMC->Gsvolu("S07R","BOX",rohaMaterial,rohapar,3);
918 gMC->Gsvolu("S08R","BOX",rohaMaterial,rohapar,3);
920 // create the insulating material volume
922 gMC->Gsvolu("S07I","BOX",insuMaterial,insupar,3);
923 gMC->Gsvolu("S08I","BOX",insuMaterial,insupar,3);
925 // create the PCB volume
927 gMC->Gsvolu("S07P","BOX",pcbMaterial,pcbpar,3);
928 gMC->Gsvolu("S08P","BOX",pcbMaterial,pcbpar,3);
930 // create the sensitive volumes,
932 gMC->Gsvolu("S07G","BOX",sensMaterial,0,0);
933 gMC->Gsvolu("S08G","BOX",sensMaterial,0,0);
935 // create the vertical frame volume
937 gMC->Gsvolu("S07V","BOX",vFrameMaterial,vFramepar,3);
938 gMC->Gsvolu("S08V","BOX",vFrameMaterial,vFramepar,3);
940 // create the horizontal frame volume
942 gMC->Gsvolu("S07H","BOX",hFrameMaterial,hFramepar,3);
943 gMC->Gsvolu("S08H","BOX",hFrameMaterial,hFramepar,3);
945 // create the horizontal border volume
947 gMC->Gsvolu("S07B","BOX",bFrameMaterial,bFramepar,3);
948 gMC->Gsvolu("S08B","BOX",bFrameMaterial,bFramepar,3);
951 for (i = 0; i<nSlats4; i++){
952 sprintf(volNam7,"S07%d",i);
953 sprintf(volNam8,"S08%d",i);
954 Float_t xvFrame = (slatLength4[i] - vFrameLength)/2.;
955 // position the vertical frames
957 gMC->Gspos("S07V",2*i-1,volNam7, xvFrame, 0., 0. , 0, "ONLY");
958 gMC->Gspos("S07V",2*i ,volNam7,-xvFrame, 0., 0. , 0, "ONLY");
959 gMC->Gspos("S08V",2*i-1,volNam8, xvFrame, 0., 0. , 0, "ONLY");
960 gMC->Gspos("S08V",2*i ,volNam8,-xvFrame, 0., 0. , 0, "ONLY");
962 // position the panels and the insulating material
963 for (j=0; j<nPCB4[i]; j++){
965 Float_t xx = sensLength * (-nPCB4[i]/2.+j+.5);
967 Float_t zPanel = spar[2] - panelpar[2];
968 gMC->Gspos("S07C",2*index-1,volNam7, xx, 0., zPanel , 0, "ONLY");
969 gMC->Gspos("S07C",2*index ,volNam7, xx, 0.,-zPanel , 0, "ONLY");
970 gMC->Gspos("S08C",2*index-1,volNam8, xx, 0., zPanel , 0, "ONLY");
971 gMC->Gspos("S08C",2*index ,volNam8, xx, 0.,-zPanel , 0, "ONLY");
973 gMC->Gspos("S07I",index,volNam7, xx, 0., 0 , 0, "ONLY");
974 gMC->Gspos("S08I",index,volNam8, xx, 0., 0 , 0, "ONLY");
978 // position the rohacell volume inside the panel volume
979 gMC->Gspos("S07R",1,"S07C",0.,0.,0.,0,"ONLY");
980 gMC->Gspos("S08R",1,"S08C",0.,0.,0.,0,"ONLY");
982 // position the PCB volume inside the insulating material volume
983 gMC->Gspos("S07P",1,"S07I",0.,0.,0.,0,"ONLY");
984 gMC->Gspos("S08P",1,"S08I",0.,0.,0.,0,"ONLY");
985 // position the horizontal frame volume inside the PCB volume
986 gMC->Gspos("S07H",1,"S07P",0.,0.,0.,0,"ONLY");
987 gMC->Gspos("S08H",1,"S08P",0.,0.,0.,0,"ONLY");
988 // position the sensitive volume inside the horizontal frame volume
989 gMC->Gsposp("S07G",1,"S07H",0.,0.,0.,0,"ONLY",senspar,3);
990 gMC->Gsposp("S08G",1,"S08H",0.,0.,0.,0,"ONLY",senspar,3);
991 // position the border volumes inside the PCB volume
992 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
993 gMC->Gspos("S07B",1,"S07P",0., yborder,0.,0,"ONLY");
994 gMC->Gspos("S07B",2,"S07P",0.,-yborder,0.,0,"ONLY");
995 gMC->Gspos("S08B",1,"S08P",0., yborder,0.,0,"ONLY");
996 gMC->Gspos("S08B",2,"S08P",0.,-yborder,0.,0,"ONLY");
998 // create the NULOC volume and position it in the horizontal frame
1000 gMC->Gsvolu("S07N","BOX",nulocMaterial,nulocpar,3);
1001 gMC->Gsvolu("S08N","BOX",nulocMaterial,nulocpar,3);
1003 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
1005 gMC->Gspos("S07N",2*index-1,"S07B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1006 gMC->Gspos("S07N",2*index ,"S07B", xx, 0., bFrameWidth/4., 0, "ONLY");
1007 gMC->Gspos("S08N",2*index-1,"S08B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1008 gMC->Gspos("S08N",2*index ,"S08B", xx, 0., bFrameWidth/4., 0, "ONLY");
1011 // position the volumes approximating the circular section of the pipe
1012 Float_t yoffs = sensHeight/2. - yOverlap/2.;
1013 Float_t epsilon = 0.001;
1016 Double_t dydiv= sensHeight/ndiv;
1017 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
1019 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
1022 Float_t z1 = -spar[2], z2=2*spar[2]*1.01;
1023 for (Int_t idiv=0;idiv<ndiv; idiv++){
1026 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
1027 divpar[0] = (pcbLength-xdiv)/2.;
1028 divpar[1] = dydiv/2. - epsilon;
1029 divpar[2] = sensWidth/2.;
1030 Float_t xvol=(pcbLength+xdiv)/2.+1.999;
1031 Float_t yvol=ydiv + dydiv/2.;
1032 gMC->Gsposp("S07G",imax+4*idiv+1,"C07M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1033 gMC->Gsposp("S08G",imax+4*idiv+1,"C08M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1034 gMC->Gsposp("S07G",imax+4*idiv+2,"C07M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1035 gMC->Gsposp("S08G",imax+4*idiv+2,"C08M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1036 gMC->Gsposp("S07G",imax+4*idiv+3,"C07M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1037 gMC->Gsposp("S08G",imax+4*idiv+3,"C08M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1038 gMC->Gsposp("S07G",imax+4*idiv+4,"C07M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1039 gMC->Gsposp("S08G",imax+4*idiv+4,"C08M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1051 //********************************************************************
1053 //********************************************************************
1054 // indices 1 and 2 for first and second chambers in the station
1055 // iChamber (first chamber) kept for other quanties than Z,
1056 // assumed to be the same in both chambers
1057 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[8];
1058 iChamber2 =(AliMUONChamber*) (*fChambers)[9];
1059 zpos1=iChamber1->Z();
1060 zpos2=iChamber2->Z();
1061 dstation = zpos2 - zpos1;
1062 // zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
1066 tpar[0] = iChamber->RInner()-dframep;
1067 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
1068 tpar[2] = dstation/5.;
1070 gMC->Gsvolu("C09M", "TUBE", idAir, tpar, 3);
1071 gMC->Gsvolu("C10M", "TUBE", idAir, tpar, 3);
1072 gMC->Gspos("C09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
1073 gMC->Gspos("C10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
1076 const Int_t nSlats5 = 7; // number of slats per quadrant
1077 const Int_t nPCB5[nSlats5] = {5,5,6,6,5,4,3}; // n PCB per slat
1078 const Float_t xpos5[nSlats5] = {37.5, 40., 0., 0., 0., 0., 0.};
1079 Float_t slatLength5[nSlats5];
1085 for (i = 0; i<nSlats5; i++){
1086 slatLength5[i] = pcbLength * nPCB5[i] + 2. * dSlatLength;
1087 xSlat5 = slatLength5[i]/2. - vFrameLength/2. +xpos5[i];
1088 if (i==1) slatLength5[i] -= 2. *dSlatLength; // frame out in PCB with circular border
1089 ySlat5 = sensHeight * i - yOverlap * i;
1090 spar[0] = slatLength5[i]/2.;
1091 spar[1] = slatHeight/2.;
1092 spar[2] = slatWidth/2. * 1.01;
1093 Float_t dzCh5=spar[2]*1.01;
1094 // zSlat to be checked (odd downstream or upstream?)
1095 Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2];
1096 sprintf(volNam9,"S09%d",i);
1097 gMC->Gsvolu(volNam9,"BOX",slatMaterial,spar,3);
1098 gMC->Gspos(volNam9, i*4+1,"C09M", xSlat5, ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
1099 gMC->Gspos(volNam9, i*4+2,"C09M",-xSlat5, ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
1101 gMC->Gspos(volNam9, i*4+3,"C09M", xSlat5,-ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
1102 gMC->Gspos(volNam9, i*4+4,"C09M",-xSlat5,-ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
1104 sprintf(volNam10,"S10%d",i);
1105 gMC->Gsvolu(volNam10,"BOX",slatMaterial,spar,3);
1106 gMC->Gspos(volNam10, i*4+1,"C10M", xSlat5, ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
1107 gMC->Gspos(volNam10, i*4+2,"C10M",-xSlat5, ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
1109 gMC->Gspos(volNam10, i*4+3,"C10M", xSlat5,-ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
1110 gMC->Gspos(volNam10, i*4+4,"C10M",-xSlat5,-ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
1114 // create the panel volume
1116 gMC->Gsvolu("S09C","BOX",panelMaterial,panelpar,3);
1117 gMC->Gsvolu("S10C","BOX",panelMaterial,panelpar,3);
1119 // create the rohacell volume
1121 gMC->Gsvolu("S09R","BOX",rohaMaterial,rohapar,3);
1122 gMC->Gsvolu("S10R","BOX",rohaMaterial,rohapar,3);
1124 // create the insulating material volume
1126 gMC->Gsvolu("S09I","BOX",insuMaterial,insupar,3);
1127 gMC->Gsvolu("S10I","BOX",insuMaterial,insupar,3);
1129 // create the PCB volume
1131 gMC->Gsvolu("S09P","BOX",pcbMaterial,pcbpar,3);
1132 gMC->Gsvolu("S10P","BOX",pcbMaterial,pcbpar,3);
1134 // create the sensitive volumes,
1136 gMC->Gsvolu("S09G","BOX",sensMaterial,0,0);
1137 gMC->Gsvolu("S10G","BOX",sensMaterial,0,0);
1139 // create the vertical frame volume
1141 gMC->Gsvolu("S09V","BOX",vFrameMaterial,vFramepar,3);
1142 gMC->Gsvolu("S10V","BOX",vFrameMaterial,vFramepar,3);
1144 // create the horizontal frame volume
1146 gMC->Gsvolu("S09H","BOX",hFrameMaterial,hFramepar,3);
1147 gMC->Gsvolu("S10H","BOX",hFrameMaterial,hFramepar,3);
1149 // create the horizontal border volume
1151 gMC->Gsvolu("S09B","BOX",bFrameMaterial,bFramepar,3);
1152 gMC->Gsvolu("S10B","BOX",bFrameMaterial,bFramepar,3);
1155 for (i = 0; i<nSlats5; i++){
1156 sprintf(volNam9,"S09%d",i);
1157 sprintf(volNam10,"S10%d",i);
1158 Float_t xvFrame = (slatLength5[i] - vFrameLength)/2.;
1159 // position the vertical frames
1161 gMC->Gspos("S09V",2*i-1,volNam9, xvFrame, 0., 0. , 0, "ONLY");
1162 gMC->Gspos("S09V",2*i ,volNam9,-xvFrame, 0., 0. , 0, "ONLY");
1163 gMC->Gspos("S10V",2*i-1,volNam10, xvFrame, 0., 0. , 0, "ONLY");
1164 gMC->Gspos("S10V",2*i ,volNam10,-xvFrame, 0., 0. , 0, "ONLY");
1167 // position the panels and the insulating material
1168 for (j=0; j<nPCB5[i]; j++){
1170 Float_t xx = sensLength * (-nPCB5[i]/2.+j+.5);
1172 Float_t zPanel = spar[2] - panelpar[2];
1173 gMC->Gspos("S09C",2*index-1,volNam9, xx, 0., zPanel , 0, "ONLY");
1174 gMC->Gspos("S09C",2*index ,volNam9, xx, 0.,-zPanel , 0, "ONLY");
1175 gMC->Gspos("S10C",2*index-1,volNam10, xx, 0., zPanel , 0, "ONLY");
1176 gMC->Gspos("S10C",2*index ,volNam10, xx, 0.,-zPanel , 0, "ONLY");
1178 gMC->Gspos("S09I",index,volNam9, xx, 0., 0 , 0, "ONLY");
1179 gMC->Gspos("S10I",index,volNam10, xx, 0., 0 , 0, "ONLY");
1183 // position the rohacell volume inside the panel volume
1184 gMC->Gspos("S09R",1,"S09C",0.,0.,0.,0,"ONLY");
1185 gMC->Gspos("S10R",1,"S10C",0.,0.,0.,0,"ONLY");
1187 // position the PCB volume inside the insulating material volume
1188 gMC->Gspos("S09P",1,"S09I",0.,0.,0.,0,"ONLY");
1189 gMC->Gspos("S10P",1,"S10I",0.,0.,0.,0,"ONLY");
1190 // position the horizontal frame volume inside the PCB volume
1191 gMC->Gspos("S09H",1,"S09P",0.,0.,0.,0,"ONLY");
1192 gMC->Gspos("S10H",1,"S10P",0.,0.,0.,0,"ONLY");
1193 // position the sensitive volume inside the horizontal frame volume
1194 gMC->Gsposp("S09G",1,"S09H",0.,0.,0.,0,"ONLY",senspar,3);
1195 gMC->Gsposp("S10G",1,"S10H",0.,0.,0.,0,"ONLY",senspar,3);
1196 // position the border volumes inside the PCB volume
1197 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
1198 gMC->Gspos("S09B",1,"S09P",0., yborder,0.,0,"ONLY");
1199 gMC->Gspos("S09B",2,"S09P",0.,-yborder,0.,0,"ONLY");
1200 gMC->Gspos("S10B",1,"S10P",0., yborder,0.,0,"ONLY");
1201 gMC->Gspos("S10B",2,"S10P",0.,-yborder,0.,0,"ONLY");
1203 // create the NULOC volume and position it in the horizontal frame
1205 gMC->Gsvolu("S09N","BOX",nulocMaterial,nulocpar,3);
1206 gMC->Gsvolu("S10N","BOX",nulocMaterial,nulocpar,3);
1208 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
1210 gMC->Gspos("S09N",2*index-1,"S09B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1211 gMC->Gspos("S09N",2*index ,"S09B", xx, 0., bFrameWidth/4., 0, "ONLY");
1212 gMC->Gspos("S10N",2*index-1,"S10B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1213 gMC->Gspos("S10N",2*index ,"S10B", xx, 0., bFrameWidth/4., 0, "ONLY");
1215 // position the volumes approximating the circular section of the pipe
1216 Float_t yoffs = sensHeight/2. - yOverlap/2.;
1217 Float_t epsilon = 0.001;
1220 Double_t dydiv= sensHeight/ndiv;
1221 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
1223 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
1226 Float_t z1 = spar[2], z2=2*spar[2]*1.01;
1227 for (Int_t idiv=0;idiv<ndiv; idiv++){
1230 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
1231 divpar[0] = (pcbLength-xdiv)/2.;
1232 divpar[1] = dydiv/2. - epsilon;
1233 divpar[2] = sensWidth/2.;
1234 Float_t xvol=(pcbLength+xdiv)/2. + 1.999;
1235 Float_t yvol=ydiv + dydiv/2.;
1236 gMC->Gsposp("S09G",imax+4*idiv+1,"C09M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1237 gMC->Gsposp("S10G",imax+4*idiv+1,"C10M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1238 gMC->Gsposp("S09G",imax+4*idiv+2,"C09M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1239 gMC->Gsposp("S10G",imax+4*idiv+2,"C10M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1240 gMC->Gsposp("S09G",imax+4*idiv+3,"C09M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1241 gMC->Gsposp("S10G",imax+4*idiv+3,"C10M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1242 gMC->Gsposp("S09G",imax+4*idiv+4,"C09M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1243 gMC->Gsposp("S10G",imax+4*idiv+4,"C10M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1249 ///////////////////////////////////////
1250 // GEOMETRY FOR THE TRIGGER CHAMBERS //
1251 ///////////////////////////////////////
1253 // 03/00 P. Dupieux : introduce a slighly more realistic
1254 // geom. of the trigger readout planes with
1255 // 2 Zpos per trigger plane (alternate
1256 // between left and right of the trigger)
1258 // Parameters of the Trigger Chambers
1261 const Float_t kXMC1MIN=34.;
1262 const Float_t kXMC1MED=51.;
1263 const Float_t kXMC1MAX=272.;
1264 const Float_t kYMC1MIN=34.;
1265 const Float_t kYMC1MAX=51.;
1266 const Float_t kRMIN1=50.;
1267 const Float_t kRMAX1=62.;
1268 const Float_t kRMIN2=50.;
1269 const Float_t kRMAX2=66.;
1271 // zposition of the middle of the gas gap in mother vol
1272 const Float_t kZMCm=-3.6;
1273 const Float_t kZMCp=+3.6;
1276 // TRIGGER STATION 1 - TRIGGER STATION 1 - TRIGGER STATION 1
1278 // iChamber 1 and 2 for first and second chambers in the station
1279 // iChamber (first chamber) kept for other quanties than Z,
1280 // assumed to be the same in both chambers
1281 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[10];
1282 iChamber2 =(AliMUONChamber*) (*fChambers)[11];
1285 // zpos1 and zpos2 are now the middle of the first and second
1286 // plane of station 1 :
1287 // zpos1=(16075+15995)/2=16035 mm, thick/2=40 mm
1288 // zpos2=(16225+16145)/2=16185 mm, thick/2=40 mm
1290 // zpos1m=15999 mm , zpos1p=16071 mm (middles of gas gaps)
1291 // zpos2m=16149 mm , zpos2p=16221 mm (middles of gas gaps)
1292 // rem : the total thickness accounts for 1 mm of al on both
1293 // side of the RPCs (see zpos1 and zpos2), as previously
1295 zpos1=iChamber1->Z();
1296 zpos2=iChamber2->Z();
1299 // Mother volume definition
1300 tpar[0] = iChamber->RInner();
1301 tpar[1] = iChamber->ROuter();
1303 gMC->Gsvolu("CM11", "TUBE", idAir, tpar, 3);
1304 gMC->Gsvolu("CM12", "TUBE", idAir, tpar, 3);
1306 // Definition of the flange between the beam shielding and the RPC
1311 gMC->Gsvolu("CF1A", "TUBE", idAlu1, tpar, 3); //Al
1312 gMC->Gspos("CF1A", 1, "CM11", 0., 0., 0., 0, "MANY");
1313 gMC->Gspos("CF1A", 2, "CM12", 0., 0., 0., 0, "MANY");
1316 // FIRST PLANE OF STATION 1
1318 // ratios of zpos1m/zpos1p and inverse for first plane
1319 Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
1323 // Definition of prototype for chambers in the first plane
1329 gMC->Gsvolu("CC1A", "BOX ", idAlu1, tpar, 0); //Al
1330 gMC->Gsvolu("CB1A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1331 gMC->Gsvolu("CG1A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1337 const Float_t kXMC1A=kXMC1MED+(kXMC1MAX-kXMC1MED)/2.;
1338 const Float_t kYMC1Am=0.;
1339 const Float_t kYMC1Ap=0.;
1342 gMC->Gsposp("CG1A", 1, "CB1A", 0., 0., 0., 0, "ONLY",tpar,3);
1344 gMC->Gsposp("CB1A", 1, "CC1A", 0., 0., 0., 0, "ONLY",tpar,3);
1347 tpar[0] = (kXMC1MAX-kXMC1MED)/2.;
1350 gMC->Gsposp("CC1A", 1, "CM11",kXMC1A,kYMC1Am,kZMCm, 0, "ONLY", tpar, 3);
1351 gMC->Gsposp("CC1A", 2, "CM11",-kXMC1A,kYMC1Ap,kZMCp, 0, "ONLY", tpar, 3);
1354 Float_t tpar1save=tpar[1];
1355 Float_t y1msave=kYMC1Am;
1356 Float_t y1psave=kYMC1Ap;
1358 tpar[0] = (kXMC1MAX-kXMC1MIN)/2.;
1359 tpar[1] = (kYMC1MAX-kYMC1MIN)/2.;
1361 const Float_t kXMC1B=kXMC1MIN+tpar[0];
1362 const Float_t kYMC1Bp=(y1msave+tpar1save)*zpm+tpar[1];
1363 const Float_t kYMC1Bm=(y1psave+tpar1save)*zmp+tpar[1];
1365 gMC->Gsposp("CC1A", 3, "CM11",kXMC1B,kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
1366 gMC->Gsposp("CC1A", 4, "CM11",-kXMC1B,kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
1367 gMC->Gsposp("CC1A", 5, "CM11",kXMC1B,-kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
1368 gMC->Gsposp("CC1A", 6, "CM11",-kXMC1B,-kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
1370 // chamber type C (end of type B !!)
1375 tpar[0] = kXMC1MAX/2;
1376 tpar[1] = kYMC1MAX/2;
1378 const Float_t kXMC1C=tpar[0];
1379 // warning : same Z than type B
1380 const Float_t kYMC1Cp=(y1psave+tpar1save)*1.+tpar[1];
1381 const Float_t kYMC1Cm=(y1msave+tpar1save)*1.+tpar[1];
1383 gMC->Gsposp("CC1A", 7, "CM11",kXMC1C,kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
1384 gMC->Gsposp("CC1A", 8, "CM11",-kXMC1C,kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
1385 gMC->Gsposp("CC1A", 9, "CM11",kXMC1C,-kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
1386 gMC->Gsposp("CC1A", 10, "CM11",-kXMC1C,-kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
1388 // chamber type D, E and F (same size)
1393 tpar[0] = kXMC1MAX/2.;
1396 const Float_t kXMC1D=tpar[0];
1397 const Float_t kYMC1Dp=(y1msave+tpar1save)*zpm+tpar[1];
1398 const Float_t kYMC1Dm=(y1psave+tpar1save)*zmp+tpar[1];
1400 gMC->Gsposp("CC1A", 11, "CM11",kXMC1D,kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
1401 gMC->Gsposp("CC1A", 12, "CM11",-kXMC1D,kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1402 gMC->Gsposp("CC1A", 13, "CM11",kXMC1D,-kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
1403 gMC->Gsposp("CC1A", 14, "CM11",-kXMC1D,-kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1409 const Float_t kYMC1Ep=(y1msave+tpar1save)*zpm+tpar[1];
1410 const Float_t kYMC1Em=(y1psave+tpar1save)*zmp+tpar[1];
1412 gMC->Gsposp("CC1A", 15, "CM11",kXMC1D,kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1413 gMC->Gsposp("CC1A", 16, "CM11",-kXMC1D,kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1414 gMC->Gsposp("CC1A", 17, "CM11",kXMC1D,-kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1415 gMC->Gsposp("CC1A", 18, "CM11",-kXMC1D,-kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1420 const Float_t kYMC1Fp=(y1msave+tpar1save)*zpm+tpar[1];
1421 const Float_t kYMC1Fm=(y1psave+tpar1save)*zmp+tpar[1];
1423 gMC->Gsposp("CC1A", 19, "CM11",kXMC1D,kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1424 gMC->Gsposp("CC1A", 20, "CM11",-kXMC1D,kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1425 gMC->Gsposp("CC1A", 21, "CM11",kXMC1D,-kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1426 gMC->Gsposp("CC1A", 22, "CM11",-kXMC1D,-kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1428 // Positioning first plane in ALICE
1429 gMC->Gspos("CM11", 1, "ALIC", 0., 0., zpos1, 0, "ONLY");
1431 // End of geometry definition for the first plane of station 1
1435 // SECOND PLANE OF STATION 1 : proj ratio = zpos2/zpos1
1437 const Float_t kZ12=zpos2/zpos1;
1439 // Definition of prototype for chambers in the second plane of station 1
1445 gMC->Gsvolu("CC2A", "BOX ", idAlu1, tpar, 0); //Al
1446 gMC->Gsvolu("CB2A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1447 gMC->Gsvolu("CG2A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1453 const Float_t kXMC2A=kXMC1A*kZ12;
1454 const Float_t kYMC2Am=0.;
1455 const Float_t kYMC2Ap=0.;
1458 gMC->Gsposp("CG2A", 1, "CB2A", 0., 0., 0., 0, "ONLY",tpar,3);
1460 gMC->Gsposp("CB2A", 1, "CC2A", 0., 0., 0., 0, "ONLY",tpar,3);
1463 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ12;
1464 tpar[1] = kYMC1MIN*kZ12;
1466 gMC->Gsposp("CC2A", 1, "CM12",kXMC2A,kYMC2Am,kZMCm, 0, "ONLY", tpar, 3);
1467 gMC->Gsposp("CC2A", 2, "CM12",-kXMC2A,kYMC2Ap,kZMCp, 0, "ONLY", tpar, 3);
1472 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ12;
1473 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ12;
1475 const Float_t kXMC2B=kXMC1B*kZ12;
1476 const Float_t kYMC2Bp=kYMC1Bp*kZ12;
1477 const Float_t kYMC2Bm=kYMC1Bm*kZ12;
1478 gMC->Gsposp("CC2A", 3, "CM12",kXMC2B,kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1479 gMC->Gsposp("CC2A", 4, "CM12",-kXMC2B,kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1480 gMC->Gsposp("CC2A", 5, "CM12",kXMC2B,-kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1481 gMC->Gsposp("CC2A", 6, "CM12",-kXMC2B,-kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1484 // chamber type C (end of type B !!)
1486 tpar[0] = (kXMC1MAX/2)*kZ12;
1487 tpar[1] = (kYMC1MAX/2)*kZ12;
1489 const Float_t kXMC2C=kXMC1C*kZ12;
1490 const Float_t kYMC2Cp=kYMC1Cp*kZ12;
1491 const Float_t kYMC2Cm=kYMC1Cm*kZ12;
1492 gMC->Gsposp("CC2A", 7, "CM12",kXMC2C,kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1493 gMC->Gsposp("CC2A", 8, "CM12",-kXMC2C,kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1494 gMC->Gsposp("CC2A", 9, "CM12",kXMC2C,-kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1495 gMC->Gsposp("CC2A", 10, "CM12",-kXMC2C,-kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1497 // chamber type D, E and F (same size)
1499 tpar[0] = (kXMC1MAX/2.)*kZ12;
1500 tpar[1] = kYMC1MIN*kZ12;
1502 const Float_t kXMC2D=kXMC1D*kZ12;
1503 const Float_t kYMC2Dp=kYMC1Dp*kZ12;
1504 const Float_t kYMC2Dm=kYMC1Dm*kZ12;
1505 gMC->Gsposp("CC2A", 11, "CM12",kXMC2D,kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1506 gMC->Gsposp("CC2A", 12, "CM12",-kXMC2D,kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1507 gMC->Gsposp("CC2A", 13, "CM12",kXMC2D,-kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1508 gMC->Gsposp("CC2A", 14, "CM12",-kXMC2D,-kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1510 const Float_t kYMC2Ep=kYMC1Ep*kZ12;
1511 const Float_t kYMC2Em=kYMC1Em*kZ12;
1512 gMC->Gsposp("CC2A", 15, "CM12",kXMC2D,kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1513 gMC->Gsposp("CC2A", 16, "CM12",-kXMC2D,kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1514 gMC->Gsposp("CC2A", 17, "CM12",kXMC2D,-kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1515 gMC->Gsposp("CC2A", 18, "CM12",-kXMC2D,-kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1518 const Float_t kYMC2Fp=kYMC1Fp*kZ12;
1519 const Float_t kYMC2Fm=kYMC1Fm*kZ12;
1520 gMC->Gsposp("CC2A", 19, "CM12",kXMC2D,kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1521 gMC->Gsposp("CC2A", 20, "CM12",-kXMC2D,kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1522 gMC->Gsposp("CC2A", 21, "CM12",kXMC2D,-kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1523 gMC->Gsposp("CC2A", 22, "CM12",-kXMC2D,-kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1525 // Positioning second plane of station 1 in ALICE
1527 gMC->Gspos("CM12", 1, "ALIC", 0., 0., zpos2, 0, "ONLY");
1529 // End of geometry definition for the second plane of station 1
1533 // TRIGGER STATION 2 - TRIGGER STATION 2 - TRIGGER STATION 2
1536 // zpos3 and zpos4 are now the middle of the first and second
1537 // plane of station 2 :
1538 // zpos3=(17075+16995)/2=17035 mm, thick/2=40 mm
1539 // zpos4=(17225+17145)/2=17185 mm, thick/2=40 mm
1541 // zpos3m=16999 mm , zpos3p=17071 mm (middles of gas gaps)
1542 // zpos4m=17149 mm , zpos4p=17221 mm (middles of gas gaps)
1543 // rem : the total thickness accounts for 1 mm of al on both
1544 // side of the RPCs (see zpos3 and zpos4), as previously
1545 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[12];
1546 iChamber2 =(AliMUONChamber*) (*fChambers)[13];
1547 Float_t zpos3=iChamber1->Z();
1548 Float_t zpos4=iChamber2->Z();
1551 // Mother volume definition
1552 tpar[0] = iChamber->RInner();
1553 tpar[1] = iChamber->ROuter();
1556 gMC->Gsvolu("CM21", "TUBE", idAir, tpar, 3);
1557 gMC->Gsvolu("CM22", "TUBE", idAir, tpar, 3);
1559 // Definition of the flange between the beam shielding and the RPC
1560 // ???? interface shielding
1566 gMC->Gsvolu("CF2A", "TUBE", idAlu1, tpar, 3); //Al
1567 gMC->Gspos("CF2A", 1, "CM21", 0., 0., 0., 0, "MANY");
1568 gMC->Gspos("CF2A", 2, "CM22", 0., 0., 0., 0, "MANY");
1572 // FIRST PLANE OF STATION 2 : proj ratio = zpos3/zpos1
1574 const Float_t kZ13=zpos3/zpos1;
1576 // Definition of prototype for chambers in the first plane of station 2
1581 gMC->Gsvolu("CC3A", "BOX ", idAlu1, tpar, 0); //Al
1582 gMC->Gsvolu("CB3A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1583 gMC->Gsvolu("CG3A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1590 const Float_t kXMC3A=kXMC1A*kZ13;
1591 const Float_t kYMC3Am=0.;
1592 const Float_t kYMC3Ap=0.;
1595 gMC->Gsposp("CG3A", 1, "CB3A", 0., 0., 0., 0, "ONLY",tpar,3);
1597 gMC->Gsposp("CB3A", 1, "CC3A", 0., 0., 0., 0, "ONLY",tpar,3);
1600 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ13;
1601 tpar[1] = kYMC1MIN*kZ13;
1602 gMC->Gsposp("CC3A", 1, "CM21",kXMC3A,kYMC3Am,kZMCm, 0, "ONLY", tpar, 3);
1603 gMC->Gsposp("CC3A", 2, "CM21",-kXMC3A,kYMC3Ap,kZMCp, 0, "ONLY", tpar, 3);
1607 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ13;
1608 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ13;
1610 const Float_t kXMC3B=kXMC1B*kZ13;
1611 const Float_t kYMC3Bp=kYMC1Bp*kZ13;
1612 const Float_t kYMC3Bm=kYMC1Bm*kZ13;
1613 gMC->Gsposp("CC3A", 3, "CM21",kXMC3B,kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1614 gMC->Gsposp("CC3A", 4, "CM21",-kXMC3B,kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1615 gMC->Gsposp("CC3A", 5, "CM21",kXMC3B,-kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1616 gMC->Gsposp("CC3A", 6, "CM21",-kXMC3B,-kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1619 // chamber type C (end of type B !!)
1620 tpar[0] = (kXMC1MAX/2)*kZ13;
1621 tpar[1] = (kYMC1MAX/2)*kZ13;
1623 const Float_t kXMC3C=kXMC1C*kZ13;
1624 const Float_t kYMC3Cp=kYMC1Cp*kZ13;
1625 const Float_t kYMC3Cm=kYMC1Cm*kZ13;
1626 gMC->Gsposp("CC3A", 7, "CM21",kXMC3C,kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1627 gMC->Gsposp("CC3A", 8, "CM21",-kXMC3C,kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1628 gMC->Gsposp("CC3A", 9, "CM21",kXMC3C,-kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1629 gMC->Gsposp("CC3A", 10, "CM21",-kXMC3C,-kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1632 // chamber type D, E and F (same size)
1634 tpar[0] = (kXMC1MAX/2.)*kZ13;
1635 tpar[1] = kYMC1MIN*kZ13;
1637 const Float_t kXMC3D=kXMC1D*kZ13;
1638 const Float_t kYMC3Dp=kYMC1Dp*kZ13;
1639 const Float_t kYMC3Dm=kYMC1Dm*kZ13;
1640 gMC->Gsposp("CC3A", 11, "CM21",kXMC3D,kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1641 gMC->Gsposp("CC3A", 12, "CM21",-kXMC3D,kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1642 gMC->Gsposp("CC3A", 13, "CM21",kXMC3D,-kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1643 gMC->Gsposp("CC3A", 14, "CM21",-kXMC3D,-kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1645 const Float_t kYMC3Ep=kYMC1Ep*kZ13;
1646 const Float_t kYMC3Em=kYMC1Em*kZ13;
1647 gMC->Gsposp("CC3A", 15, "CM21",kXMC3D,kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1648 gMC->Gsposp("CC3A", 16, "CM21",-kXMC3D,kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1649 gMC->Gsposp("CC3A", 17, "CM21",kXMC3D,-kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1650 gMC->Gsposp("CC3A", 18, "CM21",-kXMC3D,-kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1652 const Float_t kYMC3Fp=kYMC1Fp*kZ13;
1653 const Float_t kYMC3Fm=kYMC1Fm*kZ13;
1654 gMC->Gsposp("CC3A", 19, "CM21",kXMC3D,kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1655 gMC->Gsposp("CC3A", 20, "CM21",-kXMC3D,kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1656 gMC->Gsposp("CC3A", 21, "CM21",kXMC3D,-kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1657 gMC->Gsposp("CC3A", 22, "CM21",-kXMC3D,-kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1660 // Positioning first plane of station 2 in ALICE
1662 gMC->Gspos("CM21", 1, "ALIC", 0., 0., zpos3, 0, "ONLY");
1664 // End of geometry definition for the first plane of station 2
1669 // SECOND PLANE OF STATION 2 : proj ratio = zpos4/zpos1
1671 const Float_t kZ14=zpos4/zpos1;
1673 // Definition of prototype for chambers in the second plane of station 2
1679 gMC->Gsvolu("CC4A", "BOX ", idAlu1, tpar, 0); //Al
1680 gMC->Gsvolu("CB4A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1681 gMC->Gsvolu("CG4A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1687 const Float_t kXMC4A=kXMC1A*kZ14;
1688 const Float_t kYMC4Am=0.;
1689 const Float_t kYMC4Ap=0.;
1692 gMC->Gsposp("CG4A", 1, "CB4A", 0., 0., 0., 0, "ONLY",tpar,3);
1694 gMC->Gsposp("CB4A", 1, "CC4A", 0., 0., 0., 0, "ONLY",tpar,3);
1697 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ14;
1698 tpar[1] = kYMC1MIN*kZ14;
1699 gMC->Gsposp("CC4A", 1, "CM22",kXMC4A,kYMC4Am,kZMCm, 0, "ONLY", tpar, 3);
1700 gMC->Gsposp("CC4A", 2, "CM22",-kXMC4A,kYMC4Ap,kZMCp, 0, "ONLY", tpar, 3);
1704 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ14;
1705 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ14;
1707 const Float_t kXMC4B=kXMC1B*kZ14;
1708 const Float_t kYMC4Bp=kYMC1Bp*kZ14;
1709 const Float_t kYMC4Bm=kYMC1Bm*kZ14;
1710 gMC->Gsposp("CC4A", 3, "CM22",kXMC4B,kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1711 gMC->Gsposp("CC4A", 4, "CM22",-kXMC4B,kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1712 gMC->Gsposp("CC4A", 5, "CM22",kXMC4B,-kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1713 gMC->Gsposp("CC4A", 6, "CM22",-kXMC4B,-kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1716 // chamber type C (end of type B !!)
1717 tpar[0] =(kXMC1MAX/2)*kZ14;
1718 tpar[1] = (kYMC1MAX/2)*kZ14;
1720 const Float_t kXMC4C=kXMC1C*kZ14;
1721 const Float_t kYMC4Cp=kYMC1Cp*kZ14;
1722 const Float_t kYMC4Cm=kYMC1Cm*kZ14;
1723 gMC->Gsposp("CC4A", 7, "CM22",kXMC4C,kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1724 gMC->Gsposp("CC4A", 8, "CM22",-kXMC4C,kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1725 gMC->Gsposp("CC4A", 9, "CM22",kXMC4C,-kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1726 gMC->Gsposp("CC4A", 10, "CM22",-kXMC4C,-kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1729 // chamber type D, E and F (same size)
1730 tpar[0] = (kXMC1MAX/2.)*kZ14;
1731 tpar[1] = kYMC1MIN*kZ14;
1733 const Float_t kXMC4D=kXMC1D*kZ14;
1734 const Float_t kYMC4Dp=kYMC1Dp*kZ14;
1735 const Float_t kYMC4Dm=kYMC1Dm*kZ14;
1736 gMC->Gsposp("CC4A", 11, "CM22",kXMC4D,kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1737 gMC->Gsposp("CC4A", 12, "CM22",-kXMC4D,kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1738 gMC->Gsposp("CC4A", 13, "CM22",kXMC4D,-kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1739 gMC->Gsposp("CC4A", 14, "CM22",-kXMC4D,-kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1741 const Float_t kYMC4Ep=kYMC1Ep*kZ14;
1742 const Float_t kYMC4Em=kYMC1Em*kZ14;
1743 gMC->Gsposp("CC4A", 15, "CM22",kXMC4D,kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1744 gMC->Gsposp("CC4A", 16, "CM22",-kXMC4D,kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1745 gMC->Gsposp("CC4A", 17, "CM22",kXMC4D,-kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1746 gMC->Gsposp("CC4A", 18, "CM22",-kXMC4D,-kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1748 const Float_t kYMC4Fp=kYMC1Fp*kZ14;
1749 const Float_t kYMC4Fm=kYMC1Fm*kZ14;
1750 gMC->Gsposp("CC4A", 19, "CM22",kXMC4D,kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1751 gMC->Gsposp("CC4A", 20, "CM22",-kXMC4D,kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1752 gMC->Gsposp("CC4A", 21, "CM22",kXMC4D,-kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1753 gMC->Gsposp("CC4A", 22, "CM22",-kXMC4D,-kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1756 // Positioning second plane of station 2 in ALICE
1758 gMC->Gspos("CM22", 1, "ALIC", 0., 0., zpos4, 0, "ONLY");
1760 // End of geometry definition for the second plane of station 2
1762 // End of trigger geometry definition
1768 //___________________________________________
1769 void AliMUONv1::CreateMaterials()
1771 // *** DEFINITION OF AVAILABLE MUON MATERIALS ***
1773 // Ar-CO2 gas (80%+20%)
1774 Float_t ag1[3] = { 39.95,12.01,16. };
1775 Float_t zg1[3] = { 18.,6.,8. };
1776 Float_t wg1[3] = { .8,.0667,.13333 };
1777 Float_t dg1 = .001821;
1779 // Ar-buthane-freon gas -- trigger chambers
1780 Float_t atr1[4] = { 39.95,12.01,1.01,19. };
1781 Float_t ztr1[4] = { 18.,6.,1.,9. };
1782 Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
1783 Float_t dtr1 = .002599;
1786 Float_t agas[3] = { 39.95,12.01,16. };
1787 Float_t zgas[3] = { 18.,6.,8. };
1788 Float_t wgas[3] = { .74,.086684,.173316 };
1789 Float_t dgas = .0018327;
1791 // Ar-Isobutane gas (80%+20%) -- tracking
1792 Float_t ag[3] = { 39.95,12.01,1.01 };
1793 Float_t zg[3] = { 18.,6.,1. };
1794 Float_t wg[3] = { .8,.057,.143 };
1795 Float_t dg = .0019596;
1797 // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
1798 Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
1799 Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
1800 Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
1801 Float_t dtrig = .0031463;
1805 Float_t abak[3] = {12.01 , 1.01 , 16.};
1806 Float_t zbak[3] = {6. , 1. , 8.};
1807 Float_t wbak[3] = {6. , 6. , 1.};
1810 Float_t epsil, stmin, deemax, tmaxfd, stemax;
1812 Int_t iSXFLD = gAlice->Field()->Integ();
1813 Float_t sXMGMX = gAlice->Field()->Max();
1815 // --- Define the various materials for GEANT ---
1816 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
1817 AliMaterial(10, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
1818 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
1819 AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
1820 AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
1821 AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
1822 AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
1823 AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
1824 AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
1825 // materials for slat:
1826 // Sensitive area: gas (already defined)
1828 // insulating material and frame: vetronite
1829 // walls: carbon, rohacell, carbon
1830 Float_t aglass[5]={12.01, 28.09, 16., 10.8, 23.};
1831 Float_t zglass[5]={ 6., 14., 8., 5., 11.};
1832 Float_t wglass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01};
1833 Float_t dglass=1.74;
1835 // rohacell: C9 H13 N1 O2
1836 Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
1837 Float_t zrohac[4] = { 6., 1., 7., 8.};
1838 Float_t wrohac[4] = { 9., 13., 1., 2.};
1839 Float_t drohac = 0.03;
1841 AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.);
1842 AliMixture(32, "Vetronite$",aglass, zglass, dglass, 5, wglass);
1843 AliMaterial(33, "Carbon$", 12.01, 6., 2.265, 18.8, 49.9);
1844 AliMixture(34, "Rohacell$", arohac, zrohac, drohac, -4, wrohac);
1847 epsil = .001; // Tracking precision,
1848 stemax = -1.; // Maximum displacement for multiple scat
1849 tmaxfd = -20.; // Maximum angle due to field deflection
1850 deemax = -.3; // Maximum fractional energy loss, DLS
1854 AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
1858 AliMedium(4, "ALU_CH_US ", 9, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1859 fMaxDestepAlu, epsil, stmin);
1860 AliMedium(5, "ALU_CH_US ", 10, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1861 fMaxDestepAlu, epsil, stmin);
1865 AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
1866 fMaxDestepGas, epsil, stmin);
1868 // Ar-Isobuthane-Forane-SF6 gas
1870 AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
1872 AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1873 fMaxDestepAlu, epsil, stmin);
1875 AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
1876 fMaxDestepAlu, epsil, stmin);
1877 // tracking media for slats: check the parameters!!
1878 AliMedium(11, "PCB_COPPER ", 31, 0, iSXFLD, sXMGMX, tmaxfd,
1879 fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
1880 AliMedium(12, "VETRONITE ", 32, 0, iSXFLD, sXMGMX, tmaxfd,
1881 fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
1882 AliMedium(13, "CARBON ", 33, 0, iSXFLD, sXMGMX, tmaxfd,
1883 fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
1884 AliMedium(14, "Rohacell ", 34, 0, iSXFLD, sXMGMX, tmaxfd,
1885 fMaxStepAlu, fMaxDestepAlu, epsil, stmin);
1888 //___________________________________________
1890 void AliMUONv1::Init()
1893 // Initialize Tracking Chambers
1896 printf("\n\n\n Start Init for version 1 - CPC chamber type\n\n\n");
1898 for (i=0; i<AliMUONConstants::NCh(); i++) {
1899 ( (AliMUONChamber*) (*fChambers)[i])->Init();
1903 // Set the chamber (sensitive region) GEANT identifier
1904 AliMC* gMC = AliMC::GetMC();
1905 ((AliMUONChamber*)(*fChambers)[0])->SetGid(gMC->VolId("C01G"));
1906 ((AliMUONChamber*)(*fChambers)[1])->SetGid(gMC->VolId("C02G"));
1908 ((AliMUONChamber*)(*fChambers)[2])->SetGid(gMC->VolId("C03G"));
1909 ((AliMUONChamber*)(*fChambers)[3])->SetGid(gMC->VolId("C04G"));
1911 ((AliMUONChamber*)(*fChambers)[4])->SetGid(gMC->VolId("S05G"));
1912 ((AliMUONChamber*)(*fChambers)[5])->SetGid(gMC->VolId("S06G"));
1914 ((AliMUONChamber*)(*fChambers)[6])->SetGid(gMC->VolId("S07G"));
1915 ((AliMUONChamber*)(*fChambers)[7])->SetGid(gMC->VolId("S08G"));
1917 ((AliMUONChamber*)(*fChambers)[8])->SetGid(gMC->VolId("S09G"));
1918 ((AliMUONChamber*)(*fChambers)[9])->SetGid(gMC->VolId("S10G"));
1920 ((AliMUONChamber*)(*fChambers)[10])->SetGid(gMC->VolId("CG1A"));
1921 ((AliMUONChamber*)(*fChambers)[11])->SetGid(gMC->VolId("CG2A"));
1922 ((AliMUONChamber*)(*fChambers)[12])->SetGid(gMC->VolId("CG3A"));
1923 ((AliMUONChamber*)(*fChambers)[13])->SetGid(gMC->VolId("CG4A"));
1925 printf("\n\n\n Finished Init for version 0 - CPC chamber type\n\n\n");
1928 printf("\n\n\n Start Init for Trigger Circuits\n\n\n");
1929 for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
1930 ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i);
1932 printf(" Finished Init for Trigger Circuits\n\n\n");
1937 //___________________________________________
1938 void AliMUONv1::StepManager()
1942 static Int_t vol[2];
1947 Float_t destep, step;
1949 static Float_t eloss, eloss2, xhit, yhit, zhit, tof, tlength;
1950 const Float_t kBig=1.e10;
1952 static Float_t hits[15];
1954 TClonesArray &lhits = *fHits;
1957 // Set maximum step size for gas
1958 // numed=gMC->GetMedium();
1960 // Only charged tracks
1961 if( !(gMC->TrackCharge()) ) return;
1963 // Only gas gap inside chamber
1964 // Tag chambers and record hits when track enters
1966 id=gMC->CurrentVolID(copy);
1968 for (Int_t i=1; i<=AliMUONConstants::NCh(); i++) {
1969 if(id==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()){
1974 if (idvol == -1) return;
1976 // Get current particle id (ipart), track position (pos) and momentum (mom)
1977 gMC->TrackPosition(pos);
1978 gMC->TrackMomentum(mom);
1980 ipart = gMC->TrackPid();
1981 //Int_t ipart1 = gMC->IdFromPDG(ipart);
1982 //printf("ich, ipart %d %d \n",vol[0],ipart1);
1985 // momentum loss and steplength in last step
1986 destep = gMC->Edep();
1987 step = gMC->TrackStep();
1990 // record hits when track enters ...
1991 if( gMC->IsTrackEntering()) {
1992 gMC->SetMaxStep(fMaxStepGas);
1993 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1994 Double_t rt = TMath::Sqrt(tc);
1995 Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
1996 Double_t tx=mom[0]/pmom;
1997 Double_t ty=mom[1]/pmom;
1998 Double_t tz=mom[2]/pmom;
1999 Double_t s=((AliMUONChamber*)(*fChambers)[idvol])
2002 theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
2003 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
2004 hits[0] = Float_t(ipart); // Geant3 particle type
2005 hits[1] = pos[0]+s*tx; // X-position for hit
2006 hits[2] = pos[1]+s*ty; // Y-position for hit
2007 hits[3] = pos[2]+s*tz; // Z-position for hit
2008 hits[4] = theta; // theta angle of incidence
2009 hits[5] = phi; // phi angle of incidence
2010 hits[8] = (Float_t) fNPadHits; // first padhit
2011 hits[9] = -1; // last pad hit
2014 hits[10] = mom[3]; // hit momentum P
2015 hits[11] = mom[0]; // Px/P
2016 hits[12] = mom[1]; // Py/P
2017 hits[13] = mom[2]; // Pz/P
2019 tof=gMC->TrackTime();
2020 hits[14] = tof; // Time of flight
2021 // phi angle of incidence
2028 Chamber(idvol).ChargeCorrelationInit();
2029 // Only if not trigger chamber
2034 if(idvol<AliMUONConstants::NTrackingCh()) {
2036 // Initialize hit position (cursor) in the segmentation model
2037 ((AliMUONChamber*) (*fChambers)[idvol])
2038 ->SigGenInit(pos[0], pos[1], pos[2]);
2041 //printf("In the Trigger Chamber #%d\n",idvol-9);
2047 // Calculate the charge induced on a pad (disintegration) in case
2049 // Mip left chamber ...
2050 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
2051 gMC->SetMaxStep(kBig);
2056 Float_t localPos[3];
2057 Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
2058 gMC->Gmtod(globalPos,localPos,1);
2060 if(idvol<AliMUONConstants::NTrackingCh()) {
2061 // tracking chambers
2062 x0 = 0.5*(xhit+pos[0]);
2063 y0 = 0.5*(yhit+pos[1]);
2064 z0 = 0.5*(zhit+pos[2]);
2065 // z0 = localPos[2];
2075 if (eloss >0) MakePadHits(x0,y0,z0,eloss,tof,idvol);
2080 if (fNPadHits > (Int_t)hits[8]) {
2082 hits[9]= (Float_t) fNPadHits;
2085 new(lhits[fNhits++])
2086 AliMUONHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
2089 // Check additional signal generation conditions
2090 // defined by the segmentation
2091 // model (boundary crossing conditions)
2092 // only for tracking chambers
2094 ((idvol < AliMUONConstants::NTrackingCh()) &&
2095 ((AliMUONChamber*) (*fChambers)[idvol])->SigGenCond(pos[0], pos[1], pos[2]))
2097 ((AliMUONChamber*) (*fChambers)[idvol])
2098 ->SigGenInit(pos[0], pos[1], pos[2]);
2100 Float_t localPos[3];
2101 Float_t globalPos[3] = {pos[0], pos[1], pos[2]};
2102 gMC->Gmtod(globalPos,localPos,1);
2106 if (eloss > 0 && idvol < AliMUONConstants::NTrackingCh())
2107 MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),pos[2],eloss,tof,idvol);
2114 // nothing special happened, add up energy loss