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Dependency on implementations of AliSegmentation and AliMUONResponse moved to AliMUON...
[u/mrichter/AliRoot.git] / MUON / AliMUONvTemp.cxx
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72081c9b 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/*
17$Log$
be3bb6c1 18Revision 1.1 2001/01/30 12:23:33 morsch
19Tempory MUON version which has full signal generation (summable digits) and geometry compatible with
20DIPO and SHIL, i.e. size of station 3 has been reduced.
21
72081c9b 22*/
23
24/////////////////////////////////////////////////////////
25// Manager and hits classes for set:MUON version 0 //
26/////////////////////////////////////////////////////////
27
28#include <TLorentzVector.h>
29#include "AliMUONvTemp.h"
30#include "AliRun.h"
31#include "AliMC.h"
32#include "AliMUONChamber.h"
72081c9b 33#include "AliMUONConstants.h"
be3bb6c1 34#include "AliMUONFactory.h"
72081c9b 35
36ClassImp(AliMUONvTemp)
37AliMUONvTemp::AliMUONvTemp(const char *name, const char *title)
be3bb6c1 38 : AliMUONv1(name, title)
72081c9b 39{
be3bb6c1 40// Constructor
41 AliMUONFactory::Build(this, "temporary");
72081c9b 42}
43//___________________________________________
44void AliMUONvTemp::CreateGeometry()
45{
46//
47// Note: all chambers have the same structure, which could be
48// easily parameterised. This was intentionally not done in order
49// to give a starting point for the implementation of the actual
50// design of each station.
51 Int_t *idtmed = fIdtmed->GetArray()-1099;
52
53// Distance between Stations
54//
55 Float_t bpar[3];
56 Float_t tpar[3];
57// Float_t pgpar[10];
58 Float_t zpos1, zpos2, zfpos;
59 // Outer excess and inner recess for mother volume radius
60 // with respect to ROuter and RInner
61 Float_t dframep=.001; // Value for station 3 should be 6 ...
62 // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
63// Float_t dframep1=.001;
64 Float_t dframep1 = 11.0;
65// Bool_t frameCrosses=kFALSE;
66 Bool_t frameCrosses=kTRUE;
67
68// Float_t dframez=0.9;
69 // Half of the total thickness of frame crosses (including DAlu)
70 // for each chamber in stations 1 and 2:
71 // 3% of X0 of composite material,
72 // but taken as Aluminium here, with same thickness in number of X0
73 Float_t dframez = 3. * 8.9 / 100;
74// Float_t dr;
75 Float_t dstation;
76
77//
78// Rotation matrices in the x-y plane
79 Int_t idrotm[1199];
80// phi= 0 deg
81 AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.);
82// phi= 90 deg
83 AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.);
84// phi= 180 deg
85 AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.);
86// phi= 270 deg
87 AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.);
88//
89 Float_t phi=2*TMath::Pi()/12/2;
90
91//
92// pointer to the current chamber
93// pointer to the current chamber
94 Int_t idAlu1=idtmed[1103]; // medium 4
95 Int_t idAlu2=idtmed[1104]; // medium 5
96// Int_t idAlu1=idtmed[1100];
97// Int_t idAlu2=idtmed[1100];
98 Int_t idAir=idtmed[1100]; // medium 1
99// Int_t idGas=idtmed[1105]; // medium 6 = Ar-isoC4H10 gas
100 Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
101
102
103 AliMUONChamber *iChamber, *iChamber1, *iChamber2;
104 Int_t stations[5] = {1, 1, 1, 1, 1};
105
106 if (stations[0]) {
107
108//********************************************************************
109// Station 1 **
110//********************************************************************
111// CONCENTRIC
112 // indices 1 and 2 for first and second chambers in the station
113 // iChamber (first chamber) kept for other quanties than Z,
114 // assumed to be the same in both chambers
115 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[0];
116 iChamber2 =(AliMUONChamber*) (*fChambers)[1];
117 zpos1=iChamber1->Z();
118 zpos2=iChamber2->Z();
119 dstation = zpos2 - zpos1;
120 // DGas decreased from standard one (0.5)
121 iChamber->SetDGas(0.4); iChamber2->SetDGas(0.4);
122 // DAlu increased from standard one (3% of X0),
123 // because more electronics with smaller pads
124 iChamber->SetDAlu(3.5 * 8.9 / 100.); iChamber2->SetDAlu(3.5 * 8.9 / 100.);
125 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
126
127//
128// Mother volume
129 tpar[0] = iChamber->RInner()-dframep;
130 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
131 tpar[2] = dstation/8;
132
133 gMC->Gsvolu("C01M", "TUBE", idAir, tpar, 3);
134 gMC->Gsvolu("C02M", "TUBE", idAir, tpar, 3);
135 gMC->Gspos("C01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
136 gMC->Gspos("C02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
137// // Aluminium frames
138// // Outer frames
139// pgpar[0] = 360/12/2;
140// pgpar[1] = 360.;
141// pgpar[2] = 12.;
142// pgpar[3] = 2;
143// pgpar[4] = -dframez/2;
144// pgpar[5] = iChamber->ROuter();
145// pgpar[6] = pgpar[5]+dframep1;
146// pgpar[7] = +dframez/2;
147// pgpar[8] = pgpar[5];
148// pgpar[9] = pgpar[6];
149// gMC->Gsvolu("C01O", "PGON", idAlu1, pgpar, 10);
150// gMC->Gsvolu("C02O", "PGON", idAlu1, pgpar, 10);
151// gMC->Gspos("C01O",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
152// gMC->Gspos("C01O",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
153// gMC->Gspos("C02O",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
154// gMC->Gspos("C02O",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
155// //
156// // Inner frame
157// tpar[0]= iChamber->RInner()-dframep1;
158// tpar[1]= iChamber->RInner();
159// tpar[2]= dframez/2;
160// gMC->Gsvolu("C01I", "TUBE", idAlu1, tpar, 3);
161// gMC->Gsvolu("C02I", "TUBE", idAlu1, tpar, 3);
162
163// gMC->Gspos("C01I",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
164// gMC->Gspos("C01I",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
165// gMC->Gspos("C02I",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
166// gMC->Gspos("C02I",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
167//
168// Frame Crosses
169 if (frameCrosses) {
170 // outside gas
171 // security for inside mother volume
172 bpar[0] = (iChamber->ROuter() - iChamber->RInner())
173 * TMath::Cos(TMath::ASin(dframep1 /
174 (iChamber->ROuter() - iChamber->RInner())))
175 / 2.0;
176 bpar[1] = dframep1/2;
177 // total thickness will be (4 * bpar[2]) for each chamber,
178 // which has to be equal to (2 * dframez) - DAlu
179 bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
180 gMC->Gsvolu("C01B", "BOX", idAlu1, bpar, 3);
181 gMC->Gsvolu("C02B", "BOX", idAlu1, bpar, 3);
182
183 gMC->Gspos("C01B",1,"C01M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
184 idrotm[1100],"ONLY");
185 gMC->Gspos("C01B",2,"C01M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
186 idrotm[1100],"ONLY");
187 gMC->Gspos("C01B",3,"C01M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
188 idrotm[1101],"ONLY");
189 gMC->Gspos("C01B",4,"C01M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
190 idrotm[1101],"ONLY");
191 gMC->Gspos("C01B",5,"C01M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
192 idrotm[1100],"ONLY");
193 gMC->Gspos("C01B",6,"C01M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
194 idrotm[1100],"ONLY");
195 gMC->Gspos("C01B",7,"C01M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
196 idrotm[1101],"ONLY");
197 gMC->Gspos("C01B",8,"C01M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
198 idrotm[1101],"ONLY");
199
200 gMC->Gspos("C02B",1,"C02M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
201 idrotm[1100],"ONLY");
202 gMC->Gspos("C02B",2,"C02M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
203 idrotm[1100],"ONLY");
204 gMC->Gspos("C02B",3,"C02M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
205 idrotm[1101],"ONLY");
206 gMC->Gspos("C02B",4,"C02M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
207 idrotm[1101],"ONLY");
208 gMC->Gspos("C02B",5,"C02M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
209 idrotm[1100],"ONLY");
210 gMC->Gspos("C02B",6,"C02M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
211 idrotm[1100],"ONLY");
212 gMC->Gspos("C02B",7,"C02M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
213 idrotm[1101],"ONLY");
214 gMC->Gspos("C02B",8,"C02M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
215 idrotm[1101],"ONLY");
216 }
217//
218// Chamber Material represented by Alu sheet
219 tpar[0]= iChamber->RInner();
220 tpar[1]= iChamber->ROuter();
221 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
222 gMC->Gsvolu("C01A", "TUBE", idAlu2, tpar, 3);
223 gMC->Gsvolu("C02A", "TUBE",idAlu2, tpar, 3);
224 gMC->Gspos("C01A", 1, "C01M", 0., 0., 0., 0, "ONLY");
225 gMC->Gspos("C02A", 1, "C02M", 0., 0., 0., 0, "ONLY");
226//
227// Sensitive volumes
228 // tpar[2] = iChamber->DGas();
229 tpar[2] = iChamber->DGas()/2;
230 gMC->Gsvolu("C01G", "TUBE", idGas, tpar, 3);
231 gMC->Gsvolu("C02G", "TUBE", idGas, tpar, 3);
232 gMC->Gspos("C01G", 1, "C01A", 0., 0., 0., 0, "ONLY");
233 gMC->Gspos("C02G", 1, "C02A", 0., 0., 0., 0, "ONLY");
234//
235// Frame Crosses to be placed inside gas
236 // NONE: chambers are sensitive everywhere
237// if (frameCrosses) {
238
239// dr = (iChamber->ROuter() - iChamber->RInner());
240// bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
241// bpar[1] = dframep1/2;
242// bpar[2] = iChamber->DGas()/2;
243// gMC->Gsvolu("C01F", "BOX", idAlu1, bpar, 3);
244// gMC->Gsvolu("C02F", "BOX", idAlu1, bpar, 3);
245
246// gMC->Gspos("C01F",1,"C01G", +iChamber->RInner()+bpar[0] , 0, 0,
247// idrotm[1100],"ONLY");
248// gMC->Gspos("C01F",2,"C01G", -iChamber->RInner()-bpar[0] , 0, 0,
249// idrotm[1100],"ONLY");
250// gMC->Gspos("C01F",3,"C01G", 0, +iChamber->RInner()+bpar[0] , 0,
251// idrotm[1101],"ONLY");
252// gMC->Gspos("C01F",4,"C01G", 0, -iChamber->RInner()-bpar[0] , 0,
253// idrotm[1101],"ONLY");
254
255// gMC->Gspos("C02F",1,"C02G", +iChamber->RInner()+bpar[0] , 0, 0,
256// idrotm[1100],"ONLY");
257// gMC->Gspos("C02F",2,"C02G", -iChamber->RInner()-bpar[0] , 0, 0,
258// idrotm[1100],"ONLY");
259// gMC->Gspos("C02F",3,"C02G", 0, +iChamber->RInner()+bpar[0] , 0,
260// idrotm[1101],"ONLY");
261// gMC->Gspos("C02F",4,"C02G", 0, -iChamber->RInner()-bpar[0] , 0,
262// idrotm[1101],"ONLY");
263// }
264 }
265 if (stations[1]) {
266
267//********************************************************************
268// Station 2 **
269//********************************************************************
270 // indices 1 and 2 for first and second chambers in the station
271 // iChamber (first chamber) kept for other quanties than Z,
272 // assumed to be the same in both chambers
273 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2];
274 iChamber2 =(AliMUONChamber*) (*fChambers)[3];
275 zpos1=iChamber1->Z();
276 zpos2=iChamber2->Z();
277 dstation = zpos2 - zpos1;
278 // DGas and DAlu not changed from standard values
279 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
280
281//
282// Mother volume
283 tpar[0] = iChamber->RInner()-dframep;
284 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
285 tpar[2] = dstation/10;
286
287 gMC->Gsvolu("C03M", "TUBE", idAir, tpar, 3);
288 gMC->Gsvolu("C04M", "TUBE", idAir, tpar, 3);
289 gMC->Gspos("C03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
290 gMC->Gspos("C04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
291
292// // Aluminium frames
293// // Outer frames
294// pgpar[0] = 360/12/2;
295// pgpar[1] = 360.;
296// pgpar[2] = 12.;
297// pgpar[3] = 2;
298// pgpar[4] = -dframez/2;
299// pgpar[5] = iChamber->ROuter();
300// pgpar[6] = pgpar[5]+dframep;
301// pgpar[7] = +dframez/2;
302// pgpar[8] = pgpar[5];
303// pgpar[9] = pgpar[6];
304// gMC->Gsvolu("C03O", "PGON", idAlu1, pgpar, 10);
305// gMC->Gsvolu("C04O", "PGON", idAlu1, pgpar, 10);
306// gMC->Gspos("C03O",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
307// gMC->Gspos("C03O",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
308// gMC->Gspos("C04O",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
309// gMC->Gspos("C04O",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
310// //
311// // Inner frame
312// tpar[0]= iChamber->RInner()-dframep;
313// tpar[1]= iChamber->RInner();
314// tpar[2]= dframez/2;
315// gMC->Gsvolu("C03I", "TUBE", idAlu1, tpar, 3);
316// gMC->Gsvolu("C04I", "TUBE", idAlu1, tpar, 3);
317
318// gMC->Gspos("C03I",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
319// gMC->Gspos("C03I",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
320// gMC->Gspos("C04I",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
321// gMC->Gspos("C04I",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
322//
323// Frame Crosses
324 if (frameCrosses) {
325 // outside gas
326 // security for inside mother volume
327 bpar[0] = (iChamber->ROuter() - iChamber->RInner())
328 * TMath::Cos(TMath::ASin(dframep1 /
329 (iChamber->ROuter() - iChamber->RInner())))
330 / 2.0;
331 bpar[1] = dframep1/2;
332 // total thickness will be (4 * bpar[2]) for each chamber,
333 // which has to be equal to (2 * dframez) - DAlu
334 bpar[2] = (2.0 * dframez - iChamber->DAlu()) / 4.0;
335 gMC->Gsvolu("C03B", "BOX", idAlu1, bpar, 3);
336 gMC->Gsvolu("C04B", "BOX", idAlu1, bpar, 3);
337
338 gMC->Gspos("C03B",1,"C03M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
339 idrotm[1100],"ONLY");
340 gMC->Gspos("C03B",2,"C03M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
341 idrotm[1100],"ONLY");
342 gMC->Gspos("C03B",3,"C03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
343 idrotm[1101],"ONLY");
344 gMC->Gspos("C03B",4,"C03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
345 idrotm[1101],"ONLY");
346 gMC->Gspos("C03B",5,"C03M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
347 idrotm[1100],"ONLY");
348 gMC->Gspos("C03B",6,"C03M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
349 idrotm[1100],"ONLY");
350 gMC->Gspos("C03B",7,"C03M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
351 idrotm[1101],"ONLY");
352 gMC->Gspos("C03B",8,"C03M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
353 idrotm[1101],"ONLY");
354
355 gMC->Gspos("C04B",1,"C04M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
356 idrotm[1100],"ONLY");
357 gMC->Gspos("C04B",2,"C04M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
358 idrotm[1100],"ONLY");
359 gMC->Gspos("C04B",3,"C04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
360 idrotm[1101],"ONLY");
361 gMC->Gspos("C04B",4,"C04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
362 idrotm[1101],"ONLY");
363 gMC->Gspos("C04B",5,"C04M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
364 idrotm[1100],"ONLY");
365 gMC->Gspos("C04B",6,"C04M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
366 idrotm[1100],"ONLY");
367 gMC->Gspos("C04B",7,"C04M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
368 idrotm[1101],"ONLY");
369 gMC->Gspos("C04B",8,"C04M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
370 idrotm[1101],"ONLY");
371 }
372//
373// Chamber Material represented by Alu sheet
374 tpar[0]= iChamber->RInner();
375 tpar[1]= iChamber->ROuter();
376 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
377 gMC->Gsvolu("C03A", "TUBE", idAlu2, tpar, 3);
378 gMC->Gsvolu("C04A", "TUBE", idAlu2, tpar, 3);
379 gMC->Gspos("C03A", 1, "C03M", 0., 0., 0., 0, "ONLY");
380 gMC->Gspos("C04A", 1, "C04M", 0., 0., 0., 0, "ONLY");
381//
382// Sensitive volumes
383 // tpar[2] = iChamber->DGas();
384 tpar[2] = iChamber->DGas()/2;
385 gMC->Gsvolu("C03G", "TUBE", idGas, tpar, 3);
386 gMC->Gsvolu("C04G", "TUBE", idGas, tpar, 3);
387 gMC->Gspos("C03G", 1, "C03A", 0., 0., 0., 0, "ONLY");
388 gMC->Gspos("C04G", 1, "C04A", 0., 0., 0., 0, "ONLY");
389//
390// Frame Crosses to be placed inside gas
391 // NONE: chambers are sensitive everywhere
392// if (frameCrosses) {
393
394// dr = (iChamber->ROuter() - iChamber->RInner());
395// bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
396// bpar[1] = dframep1/2;
397// bpar[2] = iChamber->DGas()/2;
398// gMC->Gsvolu("C03F", "BOX", idAlu1, bpar, 3);
399// gMC->Gsvolu("C04F", "BOX", idAlu1, bpar, 3);
400
401// gMC->Gspos("C03F",1,"C03G", +iChamber->RInner()+bpar[0] , 0, 0,
402// idrotm[1100],"ONLY");
403// gMC->Gspos("C03F",2,"C03G", -iChamber->RInner()-bpar[0] , 0, 0,
404// idrotm[1100],"ONLY");
405// gMC->Gspos("C03F",3,"C03G", 0, +iChamber->RInner()+bpar[0] , 0,
406// idrotm[1101],"ONLY");
407// gMC->Gspos("C03F",4,"C03G", 0, -iChamber->RInner()-bpar[0] , 0,
408// idrotm[1101],"ONLY");
409
410// gMC->Gspos("C04F",1,"C04G", +iChamber->RInner()+bpar[0] , 0, 0,
411// idrotm[1100],"ONLY");
412// gMC->Gspos("C04F",2,"C04G", -iChamber->RInner()-bpar[0] , 0, 0,
413// idrotm[1100],"ONLY");
414// gMC->Gspos("C04F",3,"C04G", 0, +iChamber->RInner()+bpar[0] , 0,
415// idrotm[1101],"ONLY");
416// gMC->Gspos("C04F",4,"C04G", 0, -iChamber->RInner()-bpar[0] , 0,
417// idrotm[1101],"ONLY");
418// }
419 }
420 // define the id of tracking media:
421 Int_t idCopper = idtmed[1110];
422 Int_t idGlass = idtmed[1111];
423 Int_t idCarbon = idtmed[1112];
424 Int_t idRoha = idtmed[1113];
425
426 // sensitive area: 40*40 cm**2
427 const Float_t sensLength = 40.;
428 const Float_t sensHeight = 40.;
429 const Float_t sensWidth = 0.5; // according to TDR fig 2.120
430 const Int_t sensMaterial = idGas;
431 const Float_t yOverlap = 1.5;
432
433 // PCB dimensions in cm; width: 30 mum copper
434 const Float_t pcbLength = sensLength;
435 const Float_t pcbHeight = 60.;
436 const Float_t pcbWidth = 0.003;
437 const Int_t pcbMaterial = idCopper;
438
439 // Insulating material: 200 mum glass fiber glued to pcb
440 const Float_t insuLength = pcbLength;
441 const Float_t insuHeight = pcbHeight;
442 const Float_t insuWidth = 0.020;
443 const Int_t insuMaterial = idGlass;
444
445 // Carbon fiber panels: 200mum carbon/epoxy skin
446 const Float_t panelLength = sensLength;
447 const Float_t panelHeight = sensHeight;
448 const Float_t panelWidth = 0.020;
449 const Int_t panelMaterial = idCarbon;
450
451 // rohacell between the two carbon panels
452 const Float_t rohaLength = sensLength;
453 const Float_t rohaHeight = sensHeight;
454 const Float_t rohaWidth = 0.5;
455 const Int_t rohaMaterial = idRoha;
456
457 // Frame around the slat: 2 sticks along length,2 along height
458 // H: the horizontal ones
459 const Float_t hFrameLength = pcbLength;
460 const Float_t hFrameHeight = 1.5;
461 const Float_t hFrameWidth = sensWidth;
462 const Int_t hFrameMaterial = idGlass;
463
464 // V: the vertical ones
465 const Float_t vFrameLength = 4.0;
466 const Float_t vFrameHeight = sensHeight + hFrameHeight;
467 const Float_t vFrameWidth = sensWidth;
468 const Int_t vFrameMaterial = idGlass;
469
470 // B: the horizontal border filled with rohacell
471 const Float_t bFrameLength = hFrameLength;
472 const Float_t bFrameHeight = (pcbHeight - sensHeight)/2. - hFrameHeight;
473 const Float_t bFrameWidth = hFrameWidth;
474 const Int_t bFrameMaterial = idRoha;
475
476 // NULOC: 30 mum copper + 200 mum vetronite (same radiation length as 14mum copper)
477 const Float_t nulocLength = 2.5;
478 const Float_t nulocHeight = 7.5;
479 const Float_t nulocWidth = 0.0030 + 0.0014; // equivalent copper width of vetronite;
480 const Int_t nulocMaterial = idCopper;
481
482 const Float_t slatHeight = pcbHeight;
483 const Float_t slatWidth = sensWidth + 2.*(pcbWidth + insuWidth +
484 2.* panelWidth + rohaWidth);
485 const Int_t slatMaterial = idAir;
486 const Float_t dSlatLength = vFrameLength; // border on left and right
487
488 Float_t spar[3];
489 Int_t i, j;
490
491 // the panel volume contains the rohacell
492
493 Float_t twidth = 2 * panelWidth + rohaWidth;
494 Float_t panelpar[3] = { panelLength/2., panelHeight/2., twidth/2. };
495 Float_t rohapar[3] = { rohaLength/2., rohaHeight/2., rohaWidth/2. };
496
497 // insulating material contains PCB-> gas-> 2 borders filled with rohacell
498
499 twidth = 2*(insuWidth + pcbWidth) + sensWidth;
500 Float_t insupar[3] = { insuLength/2., insuHeight/2., twidth/2. };
501 twidth -= 2 * insuWidth;
502 Float_t pcbpar[3] = { pcbLength/2., pcbHeight/2., twidth/2. };
503 Float_t senspar[3] = { sensLength/2., sensHeight/2., sensWidth/2. };
504 Float_t theight = 2*hFrameHeight + sensHeight;
505 Float_t hFramepar[3]={hFrameLength/2., theight/2., hFrameWidth/2.};
506 Float_t bFramepar[3]={bFrameLength/2., bFrameHeight/2., bFrameWidth/2.};
507 Float_t vFramepar[3]={vFrameLength/2., vFrameHeight/2., vFrameWidth/2.};
508 Float_t nulocpar[3]={nulocLength/2., nulocHeight/2., nulocWidth/2.};
509 Float_t xx;
510 Float_t xxmax = (bFrameLength - nulocLength)/2.;
511 Int_t index=0;
512
513 if (stations[2]) {
514
515//********************************************************************
516// Station 3 **
517//********************************************************************
518 // indices 1 and 2 for first and second chambers in the station
519 // iChamber (first chamber) kept for other quanties than Z,
520 // assumed to be the same in both chambers
521 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[4];
522 iChamber2 =(AliMUONChamber*) (*fChambers)[5];
523 zpos1=iChamber1->Z();
524 zpos2=iChamber2->Z();
525 dstation = zpos2 - zpos1;
526
527// zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
528//
529// Mother volume
530// tpar[0] = iChamber->RInner()-vFrameLength;
531 tpar[0] = 30.;
532// tpar[1] = (iChamber->ROuter()+dframep)*TMath::Sqrt(2.);
533 tpar[1] = 160.;
534 tpar[2] = dstation/4;
535 gMC->Gsvolu("C05M", "TUBE", idAir, tpar, 3);
536 gMC->Gsvolu("C06M", "TUBE", idAir, tpar, 3);
537 gMC->Gspos("C05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
538 gMC->Gspos("C06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
539
540 // volumes for slat geometry (xx=5,..,10 chamber id):
541 // Sxx0 Sxx1 Sxx2 Sxx3 --> Slat Mother volumes
542 // SxxG --> Sensitive volume (gas)
543 // SxxP --> PCB (copper)
544 // SxxI --> Insulator (vetronite)
545 // SxxC --> Carbon panel
546 // SxxR --> Rohacell
547 // SxxH, SxxV --> Horizontal and Vertical frames (vetronite)
548
549 // slat dimensions: slat is a MOTHER volume!!! made of air
550
551 const Int_t nSlats3 = 4; // number of slats per quadrant
552 const Int_t nPCB3[nSlats3] = {2, 2, 2, 1}; // n PCB per slat
553 const Float_t xpos3[nSlats3] = {32., 40., 0., 0.};
554 Float_t slatLength3[nSlats3];
555
556 // create and position the slat (mother) volumes
557
558 char volNam5[5];
559 char volNam6[5];
560 Float_t xSlat3;
561
562 for (i = 0; i<nSlats3; i++){
563 slatLength3[i] = pcbLength * nPCB3[i] + 2. * dSlatLength;
564 xSlat3 = slatLength3[i]/2. - vFrameLength/2. + xpos3[i];
565 if (i==1) slatLength3[i] -= 2. *dSlatLength; // frame out in PCB with circular border
566 Float_t ySlat31 = sensHeight * i - yOverlap * i;
567 Float_t ySlat32 = -sensHeight * i + yOverlap * i;
568 spar[0] = slatLength3[i]/2.;
569 spar[1] = slatHeight/2.;
570 spar[2] = slatWidth/2. * 1.01;
571 Float_t dzCh3=spar[2] * 1.01;
572 // zSlat to be checked (odd downstream or upstream?)
573 Float_t zSlat = (i%2 ==0)? spar[2] : -spar[2];
574 sprintf(volNam5,"S05%d",i);
575 gMC->Gsvolu(volNam5,"BOX",slatMaterial,spar,3);
576 gMC->Gspos(volNam5, i*4+1,"C05M", xSlat3, ySlat31, zSlat+2.*dzCh3, 0, "ONLY");
577 gMC->Gspos(volNam5, i*4+2,"C05M",-xSlat3, ySlat31, zSlat-2.*dzCh3, 0, "ONLY");
578
579 if (i>0) {
580 gMC->Gspos(volNam5, i*4+3,"C05M", xSlat3, ySlat32, zSlat+2.*dzCh3, 0, "ONLY");
581 gMC->Gspos(volNam5, i*4+4,"C05M",-xSlat3, ySlat32, zSlat-2.*dzCh3, 0, "ONLY");
582 }
583
584 sprintf(volNam6,"S06%d",i);
585 gMC->Gsvolu(volNam6,"BOX",slatMaterial,spar,3);
586 gMC->Gspos(volNam6, i*4+1,"C06M", xSlat3, ySlat31, zSlat+2.*dzCh3, 0, "ONLY");
587 gMC->Gspos(volNam6, i*4+2,"C06M",-xSlat3, ySlat31, zSlat-2.*dzCh3, 0, "ONLY");
588 if (i>0) {
589 gMC->Gspos(volNam6, i*4+3,"C06M", xSlat3, ySlat32, zSlat+2.*dzCh3, 0, "ONLY");
590 gMC->Gspos(volNam6, i*4+4,"C06M",-xSlat3, ySlat32, zSlat-2.*dzCh3, 0, "ONLY");
591 }
592 }
593
594 // create the panel volume
595
596 gMC->Gsvolu("S05C","BOX",panelMaterial,panelpar,3);
597 gMC->Gsvolu("S06C","BOX",panelMaterial,panelpar,3);
598
599 // create the rohacell volume
600
601 gMC->Gsvolu("S05R","BOX",rohaMaterial,rohapar,3);
602 gMC->Gsvolu("S06R","BOX",rohaMaterial,rohapar,3);
603
604 // create the insulating material volume
605
606 gMC->Gsvolu("S05I","BOX",insuMaterial,insupar,3);
607 gMC->Gsvolu("S06I","BOX",insuMaterial,insupar,3);
608
609 // create the PCB volume
610
611 gMC->Gsvolu("S05P","BOX",pcbMaterial,pcbpar,3);
612 gMC->Gsvolu("S06P","BOX",pcbMaterial,pcbpar,3);
613
614 // create the sensitive volumes,
615 gMC->Gsvolu("S05G","BOX",sensMaterial,0,0);
616 gMC->Gsvolu("S06G","BOX",sensMaterial,0,0);
617
618
619 // create the vertical frame volume
620
621 gMC->Gsvolu("S05V","BOX",vFrameMaterial,vFramepar,3);
622 gMC->Gsvolu("S06V","BOX",vFrameMaterial,vFramepar,3);
623
624 // create the horizontal frame volume
625
626 gMC->Gsvolu("S05H","BOX",hFrameMaterial,hFramepar,3);
627 gMC->Gsvolu("S06H","BOX",hFrameMaterial,hFramepar,3);
628
629 // create the horizontal border volume
630
631 gMC->Gsvolu("S05B","BOX",bFrameMaterial,bFramepar,3);
632 gMC->Gsvolu("S06B","BOX",bFrameMaterial,bFramepar,3);
633
634 index=0;
635 for (i = 0; i<nSlats3; i++){
636 sprintf(volNam5,"S05%d",i);
637 sprintf(volNam6,"S06%d",i);
638 Float_t xvFrame = (slatLength3[i] - vFrameLength)/2.;
639 // position the vertical frames
640 if (i!=1) {
641 gMC->Gspos("S05V",2*i-1,volNam5, xvFrame, 0., 0. , 0, "ONLY");
642 gMC->Gspos("S05V",2*i ,volNam5,-xvFrame, 0., 0. , 0, "ONLY");
643 gMC->Gspos("S06V",2*i-1,volNam6, xvFrame, 0., 0. , 0, "ONLY");
644 gMC->Gspos("S06V",2*i ,volNam6,-xvFrame, 0., 0. , 0, "ONLY");
645 }
646 // position the panels and the insulating material
647 for (j=0; j<nPCB3[i]; j++){
648 index++;
649 Float_t xx = sensLength * (-nPCB3[i]/2.+j+.5);
650
651 Float_t zPanel = spar[2] - panelpar[2];
652 gMC->Gspos("S05C",2*index-1,volNam5, xx, 0., zPanel , 0, "ONLY");
653 gMC->Gspos("S05C",2*index ,volNam5, xx, 0.,-zPanel , 0, "ONLY");
654 gMC->Gspos("S06C",2*index-1,volNam6, xx, 0., zPanel , 0, "ONLY");
655 gMC->Gspos("S06C",2*index ,volNam6, xx, 0.,-zPanel , 0, "ONLY");
656
657 gMC->Gspos("S05I",index,volNam5, xx, 0., 0 , 0, "ONLY");
658 gMC->Gspos("S06I",index,volNam6, xx, 0., 0 , 0, "ONLY");
659 }
660 }
661
662 // position the rohacell volume inside the panel volume
663 gMC->Gspos("S05R",1,"S05C",0.,0.,0.,0,"ONLY");
664 gMC->Gspos("S06R",1,"S06C",0.,0.,0.,0,"ONLY");
665
666 // position the PCB volume inside the insulating material volume
667 gMC->Gspos("S05P",1,"S05I",0.,0.,0.,0,"ONLY");
668 gMC->Gspos("S06P",1,"S06I",0.,0.,0.,0,"ONLY");
669 // position the horizontal frame volume inside the PCB volume
670 gMC->Gspos("S05H",1,"S05P",0.,0.,0.,0,"ONLY");
671 gMC->Gspos("S06H",1,"S06P",0.,0.,0.,0,"ONLY");
672 // position the sensitive volume inside the horizontal frame volume
673 gMC->Gsposp("S05G",1,"S05H",0.,0.,0.,0,"ONLY",senspar,3);
674 gMC->Gsposp("S06G",1,"S06H",0.,0.,0.,0,"ONLY",senspar,3);
675 // position the border volumes inside the PCB volume
676 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
677 gMC->Gspos("S05B",1,"S05P",0., yborder,0.,0,"ONLY");
678 gMC->Gspos("S05B",2,"S05P",0.,-yborder,0.,0,"ONLY");
679 gMC->Gspos("S06B",1,"S06P",0., yborder,0.,0,"ONLY");
680 gMC->Gspos("S06B",2,"S06P",0.,-yborder,0.,0,"ONLY");
681
682 // create the NULOC volume and position it in the horizontal frame
683
684 gMC->Gsvolu("S05N","BOX",nulocMaterial,nulocpar,3);
685 gMC->Gsvolu("S06N","BOX",nulocMaterial,nulocpar,3);
686 index = 0;
687 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
688 index++;
689 gMC->Gspos("S05N",2*index-1,"S05B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
690 gMC->Gspos("S05N",2*index ,"S05B", xx, 0., bFrameWidth/4., 0, "ONLY");
691 gMC->Gspos("S06N",2*index-1,"S06B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
692 gMC->Gspos("S06N",2*index ,"S06B", xx, 0., bFrameWidth/4., 0, "ONLY");
693 }
694
695 // position the volumes approximating the circular section of the pipe
696 Float_t yoffs = sensHeight/2. - yOverlap;
697 Float_t epsilon = 0.001;
698 Int_t ndiv=6;
699 Float_t divpar[3];
700 Double_t dydiv= sensHeight/ndiv;
701 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
702 Int_t imax=0;
703 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
704 imax = 1;
705 Float_t rmin = 35.;
706 Float_t z1 = -spar[2], z2=2*spar[2]*1.01;
707 for (Int_t idiv=0;idiv<ndiv; idiv++){
708 ydiv+= dydiv;
709 Float_t xdiv = 0.;
710 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
711 divpar[0] = (pcbLength-xdiv)/2.;
712 divpar[1] = dydiv/2. - epsilon;
713 divpar[2] = sensWidth/2.;
714 Float_t xvol=(pcbLength+xdiv)/2.+1.999;
715 Float_t yvol=ydiv + dydiv/2.;
716 gMC->Gsposp("S05G",imax+4*idiv+1,"C05M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
717 gMC->Gsposp("S06G",imax+4*idiv+1,"C06M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
718 gMC->Gsposp("S05G",imax+4*idiv+2,"C05M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
719 gMC->Gsposp("S06G",imax+4*idiv+2,"C06M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
720 gMC->Gsposp("S05G",imax+4*idiv+3,"C05M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
721 gMC->Gsposp("S06G",imax+4*idiv+3,"C06M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
722 gMC->Gsposp("S05G",imax+4*idiv+4,"C05M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
723 gMC->Gsposp("S06G",imax+4*idiv+4,"C06M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
724 }
725 }
726
727
728 if (stations[3]) {
729
730//********************************************************************
731// Station 4 **
732//********************************************************************
733 // indices 1 and 2 for first and second chambers in the station
734 // iChamber (first chamber) kept for other quanties than Z,
735 // assumed to be the same in both chambers
736 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[6];
737 iChamber2 =(AliMUONChamber*) (*fChambers)[7];
738 zpos1=iChamber1->Z();
739 zpos2=iChamber2->Z();
740 dstation = zpos2 - zpos1;
741// zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
742
743//
744// Mother volume
745 tpar[0] = 37.5-vFrameLength/2.-0.1;
746 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
747 tpar[2] = 3.252;
748
749 gMC->Gsvolu("C07M", "TUBE", idAir, tpar, 3);
750 gMC->Gsvolu("C08M", "TUBE", idAir, tpar, 3);
751 gMC->Gspos("C07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
752 gMC->Gspos("C08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
753
754
755 const Int_t nSlats4 = 6; // number of slats per quadrant
756 const Int_t nPCB4[nSlats4] = {4,4,5,5,4,3}; // n PCB per slat
757 const Float_t xpos4[nSlats4] = {37.5, 40., 0., 0., 0., 0.};
758 Float_t slatLength4[nSlats4];
759
760 // create and position the slat (mother) volumes
761
762 char volNam7[5];
763 char volNam8[5];
764 Float_t xSlat4;
765 Float_t ySlat4;
766
767 for (i = 0; i<nSlats4; i++){
768 slatLength4[i] = pcbLength * nPCB4[i] + 2. * dSlatLength;
769 xSlat4 = slatLength4[i]/2. - vFrameLength/2. + xpos4[i];
770 if (i==1) slatLength4[i] -= 2. *dSlatLength; // frame out in PCB with circular border
771 ySlat4 = sensHeight * i - yOverlap *i;
772
773 spar[0] = slatLength4[i]/2.;
774 spar[1] = slatHeight/2.;
775 spar[2] = slatWidth/2.*1.01;
776 Float_t dzCh4=spar[2]*1.01;
777 // zSlat to be checked (odd downstream or upstream?)
778 Float_t zSlat = (i%2 ==0)? spar[2] : -spar[2];
779 sprintf(volNam7,"S07%d",i);
780 gMC->Gsvolu(volNam7,"BOX",slatMaterial,spar,3);
781 gMC->Gspos(volNam7, i*4+1,"C07M", xSlat4, ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
782 gMC->Gspos(volNam7, i*4+2,"C07M",-xSlat4, ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
783 if (i>0) {
784 gMC->Gspos(volNam7, i*4+3,"C07M", xSlat4,-ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
785 gMC->Gspos(volNam7, i*4+4,"C07M",-xSlat4,-ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
786 }
787 sprintf(volNam8,"S08%d",i);
788 gMC->Gsvolu(volNam8,"BOX",slatMaterial,spar,3);
789 gMC->Gspos(volNam8, i*4+1,"C08M", xSlat4, ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
790 gMC->Gspos(volNam8, i*4+2,"C08M",-xSlat4, ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
791 if (i>0) {
792 gMC->Gspos(volNam8, i*4+3,"C08M", xSlat4,-ySlat4, zSlat+2.*dzCh4, 0, "ONLY");
793 gMC->Gspos(volNam8, i*4+4,"C08M",-xSlat4,-ySlat4, zSlat-2.*dzCh4, 0, "ONLY");
794 }
795 }
796
797
798 // create the panel volume
799
800 gMC->Gsvolu("S07C","BOX",panelMaterial,panelpar,3);
801 gMC->Gsvolu("S08C","BOX",panelMaterial,panelpar,3);
802
803 // create the rohacell volume
804
805 gMC->Gsvolu("S07R","BOX",rohaMaterial,rohapar,3);
806 gMC->Gsvolu("S08R","BOX",rohaMaterial,rohapar,3);
807
808 // create the insulating material volume
809
810 gMC->Gsvolu("S07I","BOX",insuMaterial,insupar,3);
811 gMC->Gsvolu("S08I","BOX",insuMaterial,insupar,3);
812
813 // create the PCB volume
814
815 gMC->Gsvolu("S07P","BOX",pcbMaterial,pcbpar,3);
816 gMC->Gsvolu("S08P","BOX",pcbMaterial,pcbpar,3);
817
818 // create the sensitive volumes,
819
820 gMC->Gsvolu("S07G","BOX",sensMaterial,0,0);
821 gMC->Gsvolu("S08G","BOX",sensMaterial,0,0);
822
823 // create the vertical frame volume
824
825 gMC->Gsvolu("S07V","BOX",vFrameMaterial,vFramepar,3);
826 gMC->Gsvolu("S08V","BOX",vFrameMaterial,vFramepar,3);
827
828 // create the horizontal frame volume
829
830 gMC->Gsvolu("S07H","BOX",hFrameMaterial,hFramepar,3);
831 gMC->Gsvolu("S08H","BOX",hFrameMaterial,hFramepar,3);
832
833 // create the horizontal border volume
834
835 gMC->Gsvolu("S07B","BOX",bFrameMaterial,bFramepar,3);
836 gMC->Gsvolu("S08B","BOX",bFrameMaterial,bFramepar,3);
837
838 index=0;
839 for (i = 0; i<nSlats4; i++){
840 sprintf(volNam7,"S07%d",i);
841 sprintf(volNam8,"S08%d",i);
842 Float_t xvFrame = (slatLength4[i] - vFrameLength)/2.;
843 // position the vertical frames
844 if (i!=1) {
845 gMC->Gspos("S07V",2*i-1,volNam7, xvFrame, 0., 0. , 0, "ONLY");
846 gMC->Gspos("S07V",2*i ,volNam7,-xvFrame, 0., 0. , 0, "ONLY");
847 gMC->Gspos("S08V",2*i-1,volNam8, xvFrame, 0., 0. , 0, "ONLY");
848 gMC->Gspos("S08V",2*i ,volNam8,-xvFrame, 0., 0. , 0, "ONLY");
849 }
850 // position the panels and the insulating material
851 for (j=0; j<nPCB4[i]; j++){
852 index++;
853 Float_t xx = sensLength * (-nPCB4[i]/2.+j+.5);
854
855 Float_t zPanel = spar[2] - panelpar[2];
856 gMC->Gspos("S07C",2*index-1,volNam7, xx, 0., zPanel , 0, "ONLY");
857 gMC->Gspos("S07C",2*index ,volNam7, xx, 0.,-zPanel , 0, "ONLY");
858 gMC->Gspos("S08C",2*index-1,volNam8, xx, 0., zPanel , 0, "ONLY");
859 gMC->Gspos("S08C",2*index ,volNam8, xx, 0.,-zPanel , 0, "ONLY");
860
861 gMC->Gspos("S07I",index,volNam7, xx, 0., 0 , 0, "ONLY");
862 gMC->Gspos("S08I",index,volNam8, xx, 0., 0 , 0, "ONLY");
863 }
864 }
865
866 // position the rohacell volume inside the panel volume
867 gMC->Gspos("S07R",1,"S07C",0.,0.,0.,0,"ONLY");
868 gMC->Gspos("S08R",1,"S08C",0.,0.,0.,0,"ONLY");
869
870 // position the PCB volume inside the insulating material volume
871 gMC->Gspos("S07P",1,"S07I",0.,0.,0.,0,"ONLY");
872 gMC->Gspos("S08P",1,"S08I",0.,0.,0.,0,"ONLY");
873 // position the horizontal frame volume inside the PCB volume
874 gMC->Gspos("S07H",1,"S07P",0.,0.,0.,0,"ONLY");
875 gMC->Gspos("S08H",1,"S08P",0.,0.,0.,0,"ONLY");
876 // position the sensitive volume inside the horizontal frame volume
877 gMC->Gsposp("S07G",1,"S07H",0.,0.,0.,0,"ONLY",senspar,3);
878 gMC->Gsposp("S08G",1,"S08H",0.,0.,0.,0,"ONLY",senspar,3);
879 // position the border volumes inside the PCB volume
880 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
881 gMC->Gspos("S07B",1,"S07P",0., yborder,0.,0,"ONLY");
882 gMC->Gspos("S07B",2,"S07P",0.,-yborder,0.,0,"ONLY");
883 gMC->Gspos("S08B",1,"S08P",0., yborder,0.,0,"ONLY");
884 gMC->Gspos("S08B",2,"S08P",0.,-yborder,0.,0,"ONLY");
885
886 // create the NULOC volume and position it in the horizontal frame
887
888 gMC->Gsvolu("S07N","BOX",nulocMaterial,nulocpar,3);
889 gMC->Gsvolu("S08N","BOX",nulocMaterial,nulocpar,3);
890 index = 0;
891 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
892 index++;
893 gMC->Gspos("S07N",2*index-1,"S07B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
894 gMC->Gspos("S07N",2*index ,"S07B", xx, 0., bFrameWidth/4., 0, "ONLY");
895 gMC->Gspos("S08N",2*index-1,"S08B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
896 gMC->Gspos("S08N",2*index ,"S08B", xx, 0., bFrameWidth/4., 0, "ONLY");
897 }
898
899 // position the volumes approximating the circular section of the pipe
900 Float_t yoffs = sensHeight/2. - yOverlap/2.;
901 Float_t epsilon = 0.001;
902 Int_t ndiv=6;
903 Float_t divpar[3];
904 Double_t dydiv= sensHeight/ndiv;
905 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
906 Int_t imax=0;
907 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
908 imax = 1;
909 Float_t rmin = 40.;
910 Float_t z1 = -spar[2], z2=2*spar[2]*1.01;
911 for (Int_t idiv=0;idiv<ndiv; idiv++){
912 ydiv+= dydiv;
913 Float_t xdiv = 0.;
914 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
915 divpar[0] = (pcbLength-xdiv)/2.;
916 divpar[1] = dydiv/2. - epsilon;
917 divpar[2] = sensWidth/2.;
918 Float_t xvol=(pcbLength+xdiv)/2.+1.999;
919 Float_t yvol=ydiv + dydiv/2.;
920 gMC->Gsposp("S07G",imax+4*idiv+1,"C07M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
921 gMC->Gsposp("S08G",imax+4*idiv+1,"C08M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
922 gMC->Gsposp("S07G",imax+4*idiv+2,"C07M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
923 gMC->Gsposp("S08G",imax+4*idiv+2,"C08M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
924 gMC->Gsposp("S07G",imax+4*idiv+3,"C07M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
925 gMC->Gsposp("S08G",imax+4*idiv+3,"C08M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
926 gMC->Gsposp("S07G",imax+4*idiv+4,"C07M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
927 gMC->Gsposp("S08G",imax+4*idiv+4,"C08M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
928 }
929
930 }
931
932 if (stations[4]) {
933
934
935//********************************************************************
936// Station 5 **
937//********************************************************************
938 // indices 1 and 2 for first and second chambers in the station
939 // iChamber (first chamber) kept for other quanties than Z,
940 // assumed to be the same in both chambers
941 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[8];
942 iChamber2 =(AliMUONChamber*) (*fChambers)[9];
943 zpos1=iChamber1->Z();
944 zpos2=iChamber2->Z();
945 dstation = zpos2 - zpos1;
946// zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2; // not used any more
947
948//
949// Mother volume
950 tpar[0] = 37.5-vFrameLength/2.-0.1;
951 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
952 tpar[2] = dstation/5.;
953
954 gMC->Gsvolu("C09M", "TUBE", idAir, tpar, 3);
955 gMC->Gsvolu("C10M", "TUBE", idAir, tpar, 3);
956 gMC->Gspos("C09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
957 gMC->Gspos("C10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
958
959
960 const Int_t nSlats5 = 7; // number of slats per quadrant
961 const Int_t nPCB5[nSlats5] = {5,5,6,6,5,4,3}; // n PCB per slat
962 const Float_t xpos5[nSlats5] = {37.5, 40., 0., 0., 0., 0., 0.};
963 Float_t slatLength5[nSlats5];
964 char volNam9[5];
965 char volNam10[5];
966 Float_t xSlat5;
967 Float_t ySlat5;
968
969 for (i = 0; i<nSlats5; i++){
970 slatLength5[i] = pcbLength * nPCB5[i] + 2. * dSlatLength;
971 xSlat5 = slatLength5[i]/2. - vFrameLength/2. +xpos5[i];
972 if (i==1) slatLength5[i] -= 2. *dSlatLength; // frame out in PCB with circular border
973 ySlat5 = sensHeight * i - yOverlap * i;
974 spar[0] = slatLength5[i]/2.;
975 spar[1] = slatHeight/2.;
976 spar[2] = slatWidth/2. * 1.01;
977 Float_t dzCh5=spar[2]*1.01;
978 // zSlat to be checked (odd downstream or upstream?)
979 Float_t zSlat = (i%2 ==0)? -spar[2] : spar[2];
980 sprintf(volNam9,"S09%d",i);
981 gMC->Gsvolu(volNam9,"BOX",slatMaterial,spar,3);
982 gMC->Gspos(volNam9, i*4+1,"C09M", xSlat5, ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
983 gMC->Gspos(volNam9, i*4+2,"C09M",-xSlat5, ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
984 if (i>0) {
985 gMC->Gspos(volNam9, i*4+3,"C09M", xSlat5,-ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
986 gMC->Gspos(volNam9, i*4+4,"C09M",-xSlat5,-ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
987 }
988 sprintf(volNam10,"S10%d",i);
989 gMC->Gsvolu(volNam10,"BOX",slatMaterial,spar,3);
990 gMC->Gspos(volNam10, i*4+1,"C10M", xSlat5, ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
991 gMC->Gspos(volNam10, i*4+2,"C10M",-xSlat5, ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
992 if (i>0) {
993 gMC->Gspos(volNam10, i*4+3,"C10M", xSlat5,-ySlat5, zSlat+2.*dzCh5, 0, "ONLY");
994 gMC->Gspos(volNam10, i*4+4,"C10M",-xSlat5,-ySlat5, zSlat-2.*dzCh5, 0, "ONLY");
995 }
996 }
997
998 // create the panel volume
999
1000 gMC->Gsvolu("S09C","BOX",panelMaterial,panelpar,3);
1001 gMC->Gsvolu("S10C","BOX",panelMaterial,panelpar,3);
1002
1003 // create the rohacell volume
1004
1005 gMC->Gsvolu("S09R","BOX",rohaMaterial,rohapar,3);
1006 gMC->Gsvolu("S10R","BOX",rohaMaterial,rohapar,3);
1007
1008 // create the insulating material volume
1009
1010 gMC->Gsvolu("S09I","BOX",insuMaterial,insupar,3);
1011 gMC->Gsvolu("S10I","BOX",insuMaterial,insupar,3);
1012
1013 // create the PCB volume
1014
1015 gMC->Gsvolu("S09P","BOX",pcbMaterial,pcbpar,3);
1016 gMC->Gsvolu("S10P","BOX",pcbMaterial,pcbpar,3);
1017
1018 // create the sensitive volumes,
1019
1020 gMC->Gsvolu("S09G","BOX",sensMaterial,0,0);
1021 gMC->Gsvolu("S10G","BOX",sensMaterial,0,0);
1022
1023 // create the vertical frame volume
1024
1025 gMC->Gsvolu("S09V","BOX",vFrameMaterial,vFramepar,3);
1026 gMC->Gsvolu("S10V","BOX",vFrameMaterial,vFramepar,3);
1027
1028 // create the horizontal frame volume
1029
1030 gMC->Gsvolu("S09H","BOX",hFrameMaterial,hFramepar,3);
1031 gMC->Gsvolu("S10H","BOX",hFrameMaterial,hFramepar,3);
1032
1033 // create the horizontal border volume
1034
1035 gMC->Gsvolu("S09B","BOX",bFrameMaterial,bFramepar,3);
1036 gMC->Gsvolu("S10B","BOX",bFrameMaterial,bFramepar,3);
1037
1038 index=0;
1039 for (i = 0; i<nSlats5; i++){
1040 sprintf(volNam9,"S09%d",i);
1041 sprintf(volNam10,"S10%d",i);
1042 Float_t xvFrame = (slatLength5[i] - vFrameLength)/2.;
1043 // position the vertical frames
1044 if (i!=1) {
1045 gMC->Gspos("S09V",2*i-1,volNam9, xvFrame, 0., 0. , 0, "ONLY");
1046 gMC->Gspos("S09V",2*i ,volNam9,-xvFrame, 0., 0. , 0, "ONLY");
1047 gMC->Gspos("S10V",2*i-1,volNam10, xvFrame, 0., 0. , 0, "ONLY");
1048 gMC->Gspos("S10V",2*i ,volNam10,-xvFrame, 0., 0. , 0, "ONLY");
1049 }
1050
1051 // position the panels and the insulating material
1052 for (j=0; j<nPCB5[i]; j++){
1053 index++;
1054 Float_t xx = sensLength * (-nPCB5[i]/2.+j+.5);
1055
1056 Float_t zPanel = spar[2] - panelpar[2];
1057 gMC->Gspos("S09C",2*index-1,volNam9, xx, 0., zPanel , 0, "ONLY");
1058 gMC->Gspos("S09C",2*index ,volNam9, xx, 0.,-zPanel , 0, "ONLY");
1059 gMC->Gspos("S10C",2*index-1,volNam10, xx, 0., zPanel , 0, "ONLY");
1060 gMC->Gspos("S10C",2*index ,volNam10, xx, 0.,-zPanel , 0, "ONLY");
1061
1062 gMC->Gspos("S09I",index,volNam9, xx, 0., 0 , 0, "ONLY");
1063 gMC->Gspos("S10I",index,volNam10, xx, 0., 0 , 0, "ONLY");
1064 }
1065 }
1066
1067 // position the rohacell volume inside the panel volume
1068 gMC->Gspos("S09R",1,"S09C",0.,0.,0.,0,"ONLY");
1069 gMC->Gspos("S10R",1,"S10C",0.,0.,0.,0,"ONLY");
1070
1071 // position the PCB volume inside the insulating material volume
1072 gMC->Gspos("S09P",1,"S09I",0.,0.,0.,0,"ONLY");
1073 gMC->Gspos("S10P",1,"S10I",0.,0.,0.,0,"ONLY");
1074 // position the horizontal frame volume inside the PCB volume
1075 gMC->Gspos("S09H",1,"S09P",0.,0.,0.,0,"ONLY");
1076 gMC->Gspos("S10H",1,"S10P",0.,0.,0.,0,"ONLY");
1077 // position the sensitive volume inside the horizontal frame volume
1078 gMC->Gsposp("S09G",1,"S09H",0.,0.,0.,0,"ONLY",senspar,3);
1079 gMC->Gsposp("S10G",1,"S10H",0.,0.,0.,0,"ONLY",senspar,3);
1080 // position the border volumes inside the PCB volume
1081 Float_t yborder = ( pcbHeight - bFrameHeight ) / 2.;
1082 gMC->Gspos("S09B",1,"S09P",0., yborder,0.,0,"ONLY");
1083 gMC->Gspos("S09B",2,"S09P",0.,-yborder,0.,0,"ONLY");
1084 gMC->Gspos("S10B",1,"S10P",0., yborder,0.,0,"ONLY");
1085 gMC->Gspos("S10B",2,"S10P",0.,-yborder,0.,0,"ONLY");
1086
1087 // create the NULOC volume and position it in the horizontal frame
1088
1089 gMC->Gsvolu("S09N","BOX",nulocMaterial,nulocpar,3);
1090 gMC->Gsvolu("S10N","BOX",nulocMaterial,nulocpar,3);
1091 index = 0;
1092 for (xx = -xxmax; xx<=xxmax; xx+=3*nulocLength) {
1093 index++;
1094 gMC->Gspos("S09N",2*index-1,"S09B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1095 gMC->Gspos("S09N",2*index ,"S09B", xx, 0., bFrameWidth/4., 0, "ONLY");
1096 gMC->Gspos("S10N",2*index-1,"S10B", xx, 0.,-bFrameWidth/4., 0, "ONLY");
1097 gMC->Gspos("S10N",2*index ,"S10B", xx, 0., bFrameWidth/4., 0, "ONLY");
1098 }
1099 // position the volumes approximating the circular section of the pipe
1100 Float_t yoffs = sensHeight/2. - yOverlap/2.;
1101 Float_t epsilon = 0.001;
1102 Int_t ndiv=6;
1103 Float_t divpar[3];
1104 Double_t dydiv= sensHeight/ndiv;
1105 Double_t ydiv = yoffs -dydiv - yOverlap/2.;
1106 Int_t imax=0;
1107 // for (Int_t islat=0; islat<nSlats3; islat++) imax += nPCB3[islat];
1108 imax = 1;
1109 Float_t rmin = 40.;
1110 Float_t z1 = spar[2], z2=2*spar[2]*1.01;
1111 for (Int_t idiv=0;idiv<ndiv; idiv++){
1112 ydiv+= dydiv;
1113 Float_t xdiv = 0.;
1114 if (ydiv<rmin) xdiv= rmin * TMath::Sin( TMath::ACos(ydiv/rmin) );
1115 divpar[0] = (pcbLength-xdiv)/2.;
1116 divpar[1] = dydiv/2. - epsilon;
1117 divpar[2] = sensWidth/2.;
1118 Float_t xvol=(pcbLength+xdiv)/2. + 1.999;
1119 Float_t yvol=ydiv + dydiv/2.;
1120 gMC->Gsposp("S09G",imax+4*idiv+1,"C09M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1121 gMC->Gsposp("S10G",imax+4*idiv+1,"C10M", xvol, yvol, z1+z2, 0, "ONLY",divpar,3);
1122 gMC->Gsposp("S09G",imax+4*idiv+2,"C09M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1123 gMC->Gsposp("S10G",imax+4*idiv+2,"C10M", xvol,-yvol, z1+z2, 0, "ONLY",divpar,3);
1124 gMC->Gsposp("S09G",imax+4*idiv+3,"C09M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1125 gMC->Gsposp("S10G",imax+4*idiv+3,"C10M",-xvol, yvol, z1-z2, 0, "ONLY",divpar,3);
1126 gMC->Gsposp("S09G",imax+4*idiv+4,"C09M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1127 gMC->Gsposp("S10G",imax+4*idiv+4,"C10M",-xvol,-yvol, z1-z2, 0, "ONLY",divpar,3);
1128 }
1129
1130 }
1131
1132
1133///////////////////////////////////////
1134// GEOMETRY FOR THE TRIGGER CHAMBERS //
1135///////////////////////////////////////
1136
1137// 03/00 P. Dupieux : introduce a slighly more realistic
1138// geom. of the trigger readout planes with
1139// 2 Zpos per trigger plane (alternate
1140// between left and right of the trigger)
1141
1142// Parameters of the Trigger Chambers
1143
1144
1145 const Float_t kXMC1MIN=34.;
1146 const Float_t kXMC1MED=51.;
1147 const Float_t kXMC1MAX=272.;
1148 const Float_t kYMC1MIN=34.;
1149 const Float_t kYMC1MAX=51.;
1150 const Float_t kRMIN1=50.;
1151 const Float_t kRMAX1=62.;
1152 const Float_t kRMIN2=50.;
1153 const Float_t kRMAX2=66.;
1154
1155// zposition of the middle of the gas gap in mother vol
1156 const Float_t kZMCm=-3.6;
1157 const Float_t kZMCp=+3.6;
1158
1159
1160// TRIGGER STATION 1 - TRIGGER STATION 1 - TRIGGER STATION 1
1161
1162 // iChamber 1 and 2 for first and second chambers in the station
1163 // iChamber (first chamber) kept for other quanties than Z,
1164 // assumed to be the same in both chambers
1165 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[10];
1166 iChamber2 =(AliMUONChamber*) (*fChambers)[11];
1167
1168 // 03/00
1169 // zpos1 and zpos2 are now the middle of the first and second
1170 // plane of station 1 :
1171 // zpos1=(16075+15995)/2=16035 mm, thick/2=40 mm
1172 // zpos2=(16225+16145)/2=16185 mm, thick/2=40 mm
1173 //
1174 // zpos1m=15999 mm , zpos1p=16071 mm (middles of gas gaps)
1175 // zpos2m=16149 mm , zpos2p=16221 mm (middles of gas gaps)
1176 // rem : the total thickness accounts for 1 mm of al on both
1177 // side of the RPCs (see zpos1 and zpos2), as previously
1178
1179 zpos1=iChamber1->Z();
1180 zpos2=iChamber2->Z();
1181
1182
1183// Mother volume definition
1184 tpar[0] = iChamber->RInner();
1185 tpar[1] = iChamber->ROuter();
1186 tpar[2] = 4.0;
1187 gMC->Gsvolu("CM11", "TUBE", idAir, tpar, 3);
1188 gMC->Gsvolu("CM12", "TUBE", idAir, tpar, 3);
1189
1190// Definition of the flange between the beam shielding and the RPC
1191 tpar[0]= kRMIN1;
1192 tpar[1]= kRMAX1;
1193 tpar[2]= 4.0;
1194
1195 gMC->Gsvolu("CF1A", "TUBE", idAlu1, tpar, 3); //Al
1196 gMC->Gspos("CF1A", 1, "CM11", 0., 0., 0., 0, "MANY");
1197 gMC->Gspos("CF1A", 2, "CM12", 0., 0., 0., 0, "MANY");
1198
1199
1200// FIRST PLANE OF STATION 1
1201
1202// ratios of zpos1m/zpos1p and inverse for first plane
1203 Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
1204 Float_t zpm=1./zmp;
1205
1206
1207// Definition of prototype for chambers in the first plane
1208
1209 tpar[0]= 0.;
1210 tpar[1]= 0.;
1211 tpar[2]= 0.;
1212
1213 gMC->Gsvolu("CC1A", "BOX ", idAlu1, tpar, 0); //Al
1214 gMC->Gsvolu("CB1A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1215 gMC->Gsvolu("CG1A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1216
1217// chamber type A
1218 tpar[0] = -1.;
1219 tpar[1] = -1.;
1220
1221 const Float_t kXMC1A=kXMC1MED+(kXMC1MAX-kXMC1MED)/2.;
1222 const Float_t kYMC1Am=0.;
1223 const Float_t kYMC1Ap=0.;
1224
1225 tpar[2] = 0.1;
1226 gMC->Gsposp("CG1A", 1, "CB1A", 0., 0., 0., 0, "ONLY",tpar,3);
1227 tpar[2] = 0.3;
1228 gMC->Gsposp("CB1A", 1, "CC1A", 0., 0., 0., 0, "ONLY",tpar,3);
1229
1230 tpar[2] = 0.4;
1231 tpar[0] = (kXMC1MAX-kXMC1MED)/2.;
1232 tpar[1] = kYMC1MIN;
1233
1234 gMC->Gsposp("CC1A", 1, "CM11",kXMC1A,kYMC1Am,kZMCm, 0, "ONLY", tpar, 3);
1235 gMC->Gsposp("CC1A", 2, "CM11",-kXMC1A,kYMC1Ap,kZMCp, 0, "ONLY", tpar, 3);
1236
1237// chamber type B
1238 Float_t tpar1save=tpar[1];
1239 Float_t y1msave=kYMC1Am;
1240 Float_t y1psave=kYMC1Ap;
1241
1242 tpar[0] = (kXMC1MAX-kXMC1MIN)/2.;
1243 tpar[1] = (kYMC1MAX-kYMC1MIN)/2.;
1244
1245 const Float_t kXMC1B=kXMC1MIN+tpar[0];
1246 const Float_t kYMC1Bp=(y1msave+tpar1save)*zpm+tpar[1];
1247 const Float_t kYMC1Bm=(y1psave+tpar1save)*zmp+tpar[1];
1248
1249 gMC->Gsposp("CC1A", 3, "CM11",kXMC1B,kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
1250 gMC->Gsposp("CC1A", 4, "CM11",-kXMC1B,kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
1251 gMC->Gsposp("CC1A", 5, "CM11",kXMC1B,-kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
1252 gMC->Gsposp("CC1A", 6, "CM11",-kXMC1B,-kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
1253
1254// chamber type C (end of type B !!)
1255 tpar1save=tpar[1];
1256 y1msave=kYMC1Bm;
1257 y1psave=kYMC1Bp;
1258
1259 tpar[0] = kXMC1MAX/2;
1260 tpar[1] = kYMC1MAX/2;
1261
1262 const Float_t kXMC1C=tpar[0];
1263// warning : same Z than type B
1264 const Float_t kYMC1Cp=(y1psave+tpar1save)*1.+tpar[1];
1265 const Float_t kYMC1Cm=(y1msave+tpar1save)*1.+tpar[1];
1266
1267 gMC->Gsposp("CC1A", 7, "CM11",kXMC1C,kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
1268 gMC->Gsposp("CC1A", 8, "CM11",-kXMC1C,kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
1269 gMC->Gsposp("CC1A", 9, "CM11",kXMC1C,-kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
1270 gMC->Gsposp("CC1A", 10, "CM11",-kXMC1C,-kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
1271
1272// chamber type D, E and F (same size)
1273 tpar1save=tpar[1];
1274 y1msave=kYMC1Cm;
1275 y1psave=kYMC1Cp;
1276
1277 tpar[0] = kXMC1MAX/2.;
1278 tpar[1] = kYMC1MIN;
1279
1280 const Float_t kXMC1D=tpar[0];
1281 const Float_t kYMC1Dp=(y1msave+tpar1save)*zpm+tpar[1];
1282 const Float_t kYMC1Dm=(y1psave+tpar1save)*zmp+tpar[1];
1283
1284 gMC->Gsposp("CC1A", 11, "CM11",kXMC1D,kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
1285 gMC->Gsposp("CC1A", 12, "CM11",-kXMC1D,kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1286 gMC->Gsposp("CC1A", 13, "CM11",kXMC1D,-kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
1287 gMC->Gsposp("CC1A", 14, "CM11",-kXMC1D,-kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1288
1289
1290 tpar1save=tpar[1];
1291 y1msave=kYMC1Dm;
1292 y1psave=kYMC1Dp;
1293 const Float_t kYMC1Ep=(y1msave+tpar1save)*zpm+tpar[1];
1294 const Float_t kYMC1Em=(y1psave+tpar1save)*zmp+tpar[1];
1295
1296 gMC->Gsposp("CC1A", 15, "CM11",kXMC1D,kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1297 gMC->Gsposp("CC1A", 16, "CM11",-kXMC1D,kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1298 gMC->Gsposp("CC1A", 17, "CM11",kXMC1D,-kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1299 gMC->Gsposp("CC1A", 18, "CM11",-kXMC1D,-kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1300
1301 tpar1save=tpar[1];
1302 y1msave=kYMC1Em;
1303 y1psave=kYMC1Ep;
1304 const Float_t kYMC1Fp=(y1msave+tpar1save)*zpm+tpar[1];
1305 const Float_t kYMC1Fm=(y1psave+tpar1save)*zmp+tpar[1];
1306
1307 gMC->Gsposp("CC1A", 19, "CM11",kXMC1D,kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1308 gMC->Gsposp("CC1A", 20, "CM11",-kXMC1D,kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1309 gMC->Gsposp("CC1A", 21, "CM11",kXMC1D,-kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1310 gMC->Gsposp("CC1A", 22, "CM11",-kXMC1D,-kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1311
1312// Positioning first plane in ALICE
1313 gMC->Gspos("CM11", 1, "ALIC", 0., 0., zpos1, 0, "ONLY");
1314
1315// End of geometry definition for the first plane of station 1
1316
1317
1318
1319// SECOND PLANE OF STATION 1 : proj ratio = zpos2/zpos1
1320
1321 const Float_t kZ12=zpos2/zpos1;
1322
1323// Definition of prototype for chambers in the second plane of station 1
1324
1325 tpar[0]= 0.;
1326 tpar[1]= 0.;
1327 tpar[2]= 0.;
1328
1329 gMC->Gsvolu("CC2A", "BOX ", idAlu1, tpar, 0); //Al
1330 gMC->Gsvolu("CB2A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1331 gMC->Gsvolu("CG2A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1332
1333// chamber type A
1334 tpar[0] = -1.;
1335 tpar[1] = -1.;
1336
1337 const Float_t kXMC2A=kXMC1A*kZ12;
1338 const Float_t kYMC2Am=0.;
1339 const Float_t kYMC2Ap=0.;
1340
1341 tpar[2] = 0.1;
1342 gMC->Gsposp("CG2A", 1, "CB2A", 0., 0., 0., 0, "ONLY",tpar,3);
1343 tpar[2] = 0.3;
1344 gMC->Gsposp("CB2A", 1, "CC2A", 0., 0., 0., 0, "ONLY",tpar,3);
1345
1346 tpar[2] = 0.4;
1347 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ12;
1348 tpar[1] = kYMC1MIN*kZ12;
1349
1350 gMC->Gsposp("CC2A", 1, "CM12",kXMC2A,kYMC2Am,kZMCm, 0, "ONLY", tpar, 3);
1351 gMC->Gsposp("CC2A", 2, "CM12",-kXMC2A,kYMC2Ap,kZMCp, 0, "ONLY", tpar, 3);
1352
1353
1354// chamber type B
1355
1356 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ12;
1357 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ12;
1358
1359 const Float_t kXMC2B=kXMC1B*kZ12;
1360 const Float_t kYMC2Bp=kYMC1Bp*kZ12;
1361 const Float_t kYMC2Bm=kYMC1Bm*kZ12;
1362 gMC->Gsposp("CC2A", 3, "CM12",kXMC2B,kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1363 gMC->Gsposp("CC2A", 4, "CM12",-kXMC2B,kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1364 gMC->Gsposp("CC2A", 5, "CM12",kXMC2B,-kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1365 gMC->Gsposp("CC2A", 6, "CM12",-kXMC2B,-kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1366
1367
1368// chamber type C (end of type B !!)
1369
1370 tpar[0] = (kXMC1MAX/2)*kZ12;
1371 tpar[1] = (kYMC1MAX/2)*kZ12;
1372
1373 const Float_t kXMC2C=kXMC1C*kZ12;
1374 const Float_t kYMC2Cp=kYMC1Cp*kZ12;
1375 const Float_t kYMC2Cm=kYMC1Cm*kZ12;
1376 gMC->Gsposp("CC2A", 7, "CM12",kXMC2C,kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1377 gMC->Gsposp("CC2A", 8, "CM12",-kXMC2C,kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1378 gMC->Gsposp("CC2A", 9, "CM12",kXMC2C,-kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1379 gMC->Gsposp("CC2A", 10, "CM12",-kXMC2C,-kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1380
1381// chamber type D, E and F (same size)
1382
1383 tpar[0] = (kXMC1MAX/2.)*kZ12;
1384 tpar[1] = kYMC1MIN*kZ12;
1385
1386 const Float_t kXMC2D=kXMC1D*kZ12;
1387 const Float_t kYMC2Dp=kYMC1Dp*kZ12;
1388 const Float_t kYMC2Dm=kYMC1Dm*kZ12;
1389 gMC->Gsposp("CC2A", 11, "CM12",kXMC2D,kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1390 gMC->Gsposp("CC2A", 12, "CM12",-kXMC2D,kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1391 gMC->Gsposp("CC2A", 13, "CM12",kXMC2D,-kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1392 gMC->Gsposp("CC2A", 14, "CM12",-kXMC2D,-kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1393
1394 const Float_t kYMC2Ep=kYMC1Ep*kZ12;
1395 const Float_t kYMC2Em=kYMC1Em*kZ12;
1396 gMC->Gsposp("CC2A", 15, "CM12",kXMC2D,kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1397 gMC->Gsposp("CC2A", 16, "CM12",-kXMC2D,kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1398 gMC->Gsposp("CC2A", 17, "CM12",kXMC2D,-kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1399 gMC->Gsposp("CC2A", 18, "CM12",-kXMC2D,-kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1400
1401
1402 const Float_t kYMC2Fp=kYMC1Fp*kZ12;
1403 const Float_t kYMC2Fm=kYMC1Fm*kZ12;
1404 gMC->Gsposp("CC2A", 19, "CM12",kXMC2D,kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1405 gMC->Gsposp("CC2A", 20, "CM12",-kXMC2D,kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1406 gMC->Gsposp("CC2A", 21, "CM12",kXMC2D,-kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1407 gMC->Gsposp("CC2A", 22, "CM12",-kXMC2D,-kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1408
1409// Positioning second plane of station 1 in ALICE
1410
1411 gMC->Gspos("CM12", 1, "ALIC", 0., 0., zpos2, 0, "ONLY");
1412
1413// End of geometry definition for the second plane of station 1
1414
1415
1416
1417// TRIGGER STATION 2 - TRIGGER STATION 2 - TRIGGER STATION 2
1418
1419 // 03/00
1420 // zpos3 and zpos4 are now the middle of the first and second
1421 // plane of station 2 :
1422 // zpos3=(17075+16995)/2=17035 mm, thick/2=40 mm
1423 // zpos4=(17225+17145)/2=17185 mm, thick/2=40 mm
1424 //
1425 // zpos3m=16999 mm , zpos3p=17071 mm (middles of gas gaps)
1426 // zpos4m=17149 mm , zpos4p=17221 mm (middles of gas gaps)
1427 // rem : the total thickness accounts for 1 mm of al on both
1428 // side of the RPCs (see zpos3 and zpos4), as previously
1429 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[12];
1430 iChamber2 =(AliMUONChamber*) (*fChambers)[13];
1431 Float_t zpos3=iChamber1->Z();
1432 Float_t zpos4=iChamber2->Z();
1433
1434
1435// Mother volume definition
1436 tpar[0] = iChamber->RInner();
1437 tpar[1] = iChamber->ROuter();
1438 tpar[2] = 4.0;
1439
1440 gMC->Gsvolu("CM21", "TUBE", idAir, tpar, 3);
1441 gMC->Gsvolu("CM22", "TUBE", idAir, tpar, 3);
1442
1443// Definition of the flange between the beam shielding and the RPC
1444// ???? interface shielding
1445
1446 tpar[0]= kRMIN2;
1447 tpar[1]= kRMAX2;
1448 tpar[2]= 4.0;
1449
1450 gMC->Gsvolu("CF2A", "TUBE", idAlu1, tpar, 3); //Al
1451 gMC->Gspos("CF2A", 1, "CM21", 0., 0., 0., 0, "MANY");
1452 gMC->Gspos("CF2A", 2, "CM22", 0., 0., 0., 0, "MANY");
1453
1454
1455
1456// FIRST PLANE OF STATION 2 : proj ratio = zpos3/zpos1
1457
1458 const Float_t kZ13=zpos3/zpos1;
1459
1460// Definition of prototype for chambers in the first plane of station 2
1461 tpar[0]= 0.;
1462 tpar[1]= 0.;
1463 tpar[2]= 0.;
1464
1465 gMC->Gsvolu("CC3A", "BOX ", idAlu1, tpar, 0); //Al
1466 gMC->Gsvolu("CB3A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1467 gMC->Gsvolu("CG3A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1468
1469
1470// chamber type A
1471 tpar[0] = -1.;
1472 tpar[1] = -1.;
1473
1474 const Float_t kXMC3A=kXMC1A*kZ13;
1475 const Float_t kYMC3Am=0.;
1476 const Float_t kYMC3Ap=0.;
1477
1478 tpar[2] = 0.1;
1479 gMC->Gsposp("CG3A", 1, "CB3A", 0., 0., 0., 0, "ONLY",tpar,3);
1480 tpar[2] = 0.3;
1481 gMC->Gsposp("CB3A", 1, "CC3A", 0., 0., 0., 0, "ONLY",tpar,3);
1482
1483 tpar[2] = 0.4;
1484 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ13;
1485 tpar[1] = kYMC1MIN*kZ13;
1486 gMC->Gsposp("CC3A", 1, "CM21",kXMC3A,kYMC3Am,kZMCm, 0, "ONLY", tpar, 3);
1487 gMC->Gsposp("CC3A", 2, "CM21",-kXMC3A,kYMC3Ap,kZMCp, 0, "ONLY", tpar, 3);
1488
1489
1490// chamber type B
1491 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ13;
1492 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ13;
1493
1494 const Float_t kXMC3B=kXMC1B*kZ13;
1495 const Float_t kYMC3Bp=kYMC1Bp*kZ13;
1496 const Float_t kYMC3Bm=kYMC1Bm*kZ13;
1497 gMC->Gsposp("CC3A", 3, "CM21",kXMC3B,kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1498 gMC->Gsposp("CC3A", 4, "CM21",-kXMC3B,kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1499 gMC->Gsposp("CC3A", 5, "CM21",kXMC3B,-kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1500 gMC->Gsposp("CC3A", 6, "CM21",-kXMC3B,-kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1501
1502
1503// chamber type C (end of type B !!)
1504 tpar[0] = (kXMC1MAX/2)*kZ13;
1505 tpar[1] = (kYMC1MAX/2)*kZ13;
1506
1507 const Float_t kXMC3C=kXMC1C*kZ13;
1508 const Float_t kYMC3Cp=kYMC1Cp*kZ13;
1509 const Float_t kYMC3Cm=kYMC1Cm*kZ13;
1510 gMC->Gsposp("CC3A", 7, "CM21",kXMC3C,kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1511 gMC->Gsposp("CC3A", 8, "CM21",-kXMC3C,kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1512 gMC->Gsposp("CC3A", 9, "CM21",kXMC3C,-kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1513 gMC->Gsposp("CC3A", 10, "CM21",-kXMC3C,-kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1514
1515
1516// chamber type D, E and F (same size)
1517
1518 tpar[0] = (kXMC1MAX/2.)*kZ13;
1519 tpar[1] = kYMC1MIN*kZ13;
1520
1521 const Float_t kXMC3D=kXMC1D*kZ13;
1522 const Float_t kYMC3Dp=kYMC1Dp*kZ13;
1523 const Float_t kYMC3Dm=kYMC1Dm*kZ13;
1524 gMC->Gsposp("CC3A", 11, "CM21",kXMC3D,kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1525 gMC->Gsposp("CC3A", 12, "CM21",-kXMC3D,kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1526 gMC->Gsposp("CC3A", 13, "CM21",kXMC3D,-kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1527 gMC->Gsposp("CC3A", 14, "CM21",-kXMC3D,-kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1528
1529 const Float_t kYMC3Ep=kYMC1Ep*kZ13;
1530 const Float_t kYMC3Em=kYMC1Em*kZ13;
1531 gMC->Gsposp("CC3A", 15, "CM21",kXMC3D,kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1532 gMC->Gsposp("CC3A", 16, "CM21",-kXMC3D,kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1533 gMC->Gsposp("CC3A", 17, "CM21",kXMC3D,-kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1534 gMC->Gsposp("CC3A", 18, "CM21",-kXMC3D,-kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1535
1536 const Float_t kYMC3Fp=kYMC1Fp*kZ13;
1537 const Float_t kYMC3Fm=kYMC1Fm*kZ13;
1538 gMC->Gsposp("CC3A", 19, "CM21",kXMC3D,kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1539 gMC->Gsposp("CC3A", 20, "CM21",-kXMC3D,kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1540 gMC->Gsposp("CC3A", 21, "CM21",kXMC3D,-kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1541 gMC->Gsposp("CC3A", 22, "CM21",-kXMC3D,-kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1542
1543
1544// Positioning first plane of station 2 in ALICE
1545
1546 gMC->Gspos("CM21", 1, "ALIC", 0., 0., zpos3, 0, "ONLY");
1547
1548// End of geometry definition for the first plane of station 2
1549
1550
1551
1552
1553// SECOND PLANE OF STATION 2 : proj ratio = zpos4/zpos1
1554
1555 const Float_t kZ14=zpos4/zpos1;
1556
1557// Definition of prototype for chambers in the second plane of station 2
1558
1559 tpar[0]= 0.;
1560 tpar[1]= 0.;
1561 tpar[2]= 0.;
1562
1563 gMC->Gsvolu("CC4A", "BOX ", idAlu1, tpar, 0); //Al
1564 gMC->Gsvolu("CB4A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1565 gMC->Gsvolu("CG4A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1566
1567// chamber type A
1568 tpar[0] = -1.;
1569 tpar[1] = -1.;
1570
1571 const Float_t kXMC4A=kXMC1A*kZ14;
1572 const Float_t kYMC4Am=0.;
1573 const Float_t kYMC4Ap=0.;
1574
1575 tpar[2] = 0.1;
1576 gMC->Gsposp("CG4A", 1, "CB4A", 0., 0., 0., 0, "ONLY",tpar,3);
1577 tpar[2] = 0.3;
1578 gMC->Gsposp("CB4A", 1, "CC4A", 0., 0., 0., 0, "ONLY",tpar,3);
1579
1580 tpar[2] = 0.4;
1581 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ14;
1582 tpar[1] = kYMC1MIN*kZ14;
1583 gMC->Gsposp("CC4A", 1, "CM22",kXMC4A,kYMC4Am,kZMCm, 0, "ONLY", tpar, 3);
1584 gMC->Gsposp("CC4A", 2, "CM22",-kXMC4A,kYMC4Ap,kZMCp, 0, "ONLY", tpar, 3);
1585
1586
1587// chamber type B
1588 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ14;
1589 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ14;
1590
1591 const Float_t kXMC4B=kXMC1B*kZ14;
1592 const Float_t kYMC4Bp=kYMC1Bp*kZ14;
1593 const Float_t kYMC4Bm=kYMC1Bm*kZ14;
1594 gMC->Gsposp("CC4A", 3, "CM22",kXMC4B,kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1595 gMC->Gsposp("CC4A", 4, "CM22",-kXMC4B,kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1596 gMC->Gsposp("CC4A", 5, "CM22",kXMC4B,-kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1597 gMC->Gsposp("CC4A", 6, "CM22",-kXMC4B,-kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1598
1599
1600// chamber type C (end of type B !!)
1601 tpar[0] =(kXMC1MAX/2)*kZ14;
1602 tpar[1] = (kYMC1MAX/2)*kZ14;
1603
1604 const Float_t kXMC4C=kXMC1C*kZ14;
1605 const Float_t kYMC4Cp=kYMC1Cp*kZ14;
1606 const Float_t kYMC4Cm=kYMC1Cm*kZ14;
1607 gMC->Gsposp("CC4A", 7, "CM22",kXMC4C,kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1608 gMC->Gsposp("CC4A", 8, "CM22",-kXMC4C,kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1609 gMC->Gsposp("CC4A", 9, "CM22",kXMC4C,-kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1610 gMC->Gsposp("CC4A", 10, "CM22",-kXMC4C,-kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1611
1612
1613// chamber type D, E and F (same size)
1614 tpar[0] = (kXMC1MAX/2.)*kZ14;
1615 tpar[1] = kYMC1MIN*kZ14;
1616
1617 const Float_t kXMC4D=kXMC1D*kZ14;
1618 const Float_t kYMC4Dp=kYMC1Dp*kZ14;
1619 const Float_t kYMC4Dm=kYMC1Dm*kZ14;
1620 gMC->Gsposp("CC4A", 11, "CM22",kXMC4D,kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1621 gMC->Gsposp("CC4A", 12, "CM22",-kXMC4D,kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1622 gMC->Gsposp("CC4A", 13, "CM22",kXMC4D,-kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1623 gMC->Gsposp("CC4A", 14, "CM22",-kXMC4D,-kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1624
1625 const Float_t kYMC4Ep=kYMC1Ep*kZ14;
1626 const Float_t kYMC4Em=kYMC1Em*kZ14;
1627 gMC->Gsposp("CC4A", 15, "CM22",kXMC4D,kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1628 gMC->Gsposp("CC4A", 16, "CM22",-kXMC4D,kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1629 gMC->Gsposp("CC4A", 17, "CM22",kXMC4D,-kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1630 gMC->Gsposp("CC4A", 18, "CM22",-kXMC4D,-kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1631
1632 const Float_t kYMC4Fp=kYMC1Fp*kZ14;
1633 const Float_t kYMC4Fm=kYMC1Fm*kZ14;
1634 gMC->Gsposp("CC4A", 19, "CM22",kXMC4D,kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1635 gMC->Gsposp("CC4A", 20, "CM22",-kXMC4D,kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1636 gMC->Gsposp("CC4A", 21, "CM22",kXMC4D,-kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1637 gMC->Gsposp("CC4A", 22, "CM22",-kXMC4D,-kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1638
1639
1640// Positioning second plane of station 2 in ALICE
1641
1642 gMC->Gspos("CM22", 1, "ALIC", 0., 0., zpos4, 0, "ONLY");
1643
1644// End of geometry definition for the second plane of station 2
1645
1646// End of trigger geometry definition
1647
1648}