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Add class AliMUONConstants with MUON specific constants using static memeber data...
[u/mrichter/AliRoot.git] / MUON / AliMUONv1.cxx
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a9e2aefa 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
f665c1ea 18Revision 1.3 2000/06/22 14:10:05 morsch
19HP scope problems corrected (PH)
20
e17592e9 21Revision 1.2 2000/06/15 07:58:49 morsch
22Code from MUON-dev joined
23
a9e2aefa 24Revision 1.1.2.14 2000/06/14 14:37:25 morsch
25Initialization of TriggerCircuit added (PC)
26
27Revision 1.1.2.13 2000/06/09 21:55:47 morsch
28Most coding rule violations corrected.
29
30Revision 1.1.2.12 2000/05/05 11:34:29 morsch
31Log inside comments.
32
33Revision 1.1.2.11 2000/05/05 10:06:48 morsch
34Coding Rule violations regarding trigger section corrected (CP)
35Log messages included.
36*/
37
38/////////////////////////////////////////////////////////
39// Manager and hits classes for set:MUON version 0 //
40/////////////////////////////////////////////////////////
41
42#include <TTUBE.h>
43#include <TNode.h>
44#include <TRandom.h>
45#include <TLorentzVector.h>
46#include <iostream.h>
47
48#include "AliMUONv1.h"
49#include "AliRun.h"
50#include "AliMC.h"
51#include "AliCallf77.h"
52#include "AliConst.h"
53#include "AliMUONChamber.h"
54#include "AliMUONHit.h"
55#include "AliMUONPadHit.h"
f665c1ea 56#include "AliMUONConstants.h"
a9e2aefa 57
58ClassImp(AliMUONv1)
59
60//___________________________________________
61AliMUONv1::AliMUONv1() : AliMUON()
62{
63// Constructor
64 fChambers = 0;
65}
66
67//___________________________________________
68AliMUONv1::AliMUONv1(const char *name, const char *title)
69 : AliMUON(name,title)
70{
71// Constructor
72}
73
74//___________________________________________
75void AliMUONv1::CreateGeometry()
76{
77//
78// Note: all chambers have the same structure, which could be
79// easily parameterised. This was intentionally not done in order
80// to give a starting point for the implementation of the actual
81// design of each station.
82 Int_t *idtmed = fIdtmed->GetArray()-1099;
83
84// Distance between Stations
85//
86 Float_t bpar[3];
87 Float_t tpar[3];
88 Float_t pgpar[10];
89 Float_t zpos1, zpos2, zfpos;
90 Float_t dframep=.001; // Value for station 3 should be 6 ...
91 Float_t dframep1=.001;
92// Bool_t frames=kTRUE;
93 Bool_t frames=kFALSE;
94
95 Float_t dframez=0.9;
96 Float_t dr;
97 Float_t dstation;
98
99//
100// Rotation matrices in the x-y plane
101 Int_t idrotm[1199];
102// phi= 0 deg
103 AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.);
104// phi= 90 deg
105 AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.);
106// phi= 180 deg
107 AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.);
108// phi= 270 deg
109 AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.);
110//
111 Float_t phi=2*TMath::Pi()/12/2;
112
113//
114// pointer to the current chamber
115// pointer to the current chamber
116 Int_t idAlu1=idtmed[1103];
117 Int_t idAlu2=idtmed[1104];
118// Int_t idAlu1=idtmed[1100];
119// Int_t idAlu2=idtmed[1100];
120 Int_t idAir=idtmed[1100];
121 Int_t idGas=idtmed[1105];
122
123
124 AliMUONChamber *iChamber, *iChamber1, *iChamber2;
125//********************************************************************
126// Station 1 **
127//********************************************************************
128// CONCENTRIC
129 // indices 1 and 2 for first and second chambers in the station
130 // iChamber (first chamber) kept for other quanties than Z,
131 // assumed to be the same in both chambers
132 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[0];
133 iChamber2 =(AliMUONChamber*) (*fChambers)[1];
134 zpos1=iChamber1->Z();
135 zpos2=iChamber2->Z();
136 dstation = zpos2 - zpos1;
137 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
138
139//
140// Mother volume
141 tpar[0] = iChamber->RInner()-dframep1;
142 tpar[1] = (iChamber->ROuter()+dframep1)/TMath::Cos(phi);
143 tpar[2] = dstation/4;
144
145 gMC->Gsvolu("C01M", "TUBE", idAir, tpar, 3);
146 gMC->Gsvolu("C02M", "TUBE", idAir, tpar, 3);
147 gMC->Gspos("C01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
148 gMC->Gspos("C02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
149// Aluminium frames
150// Outer frames
151 pgpar[0] = 360/12/2;
152 pgpar[1] = 360.;
153 pgpar[2] = 12.;
154 pgpar[3] = 2;
155 pgpar[4] = -dframez/2;
156 pgpar[5] = iChamber->ROuter();
157 pgpar[6] = pgpar[5]+dframep1;
158 pgpar[7] = +dframez/2;
159 pgpar[8] = pgpar[5];
160 pgpar[9] = pgpar[6];
161 gMC->Gsvolu("C01O", "PGON", idAlu1, pgpar, 10);
162 gMC->Gsvolu("C02O", "PGON", idAlu1, pgpar, 10);
163 gMC->Gspos("C01O",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
164 gMC->Gspos("C01O",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
165 gMC->Gspos("C02O",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
166 gMC->Gspos("C02O",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
167//
168// Inner frame
169 tpar[0]= iChamber->RInner()-dframep1;
170 tpar[1]= iChamber->RInner();
171 tpar[2]= dframez/2;
172 gMC->Gsvolu("C01I", "TUBE", idAlu1, tpar, 3);
173 gMC->Gsvolu("C02I", "TUBE", idAlu1, tpar, 3);
174
175 gMC->Gspos("C01I",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
176 gMC->Gspos("C01I",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
177 gMC->Gspos("C02I",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
178 gMC->Gspos("C02I",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
179//
180// Frame Crosses
181 if (frames) {
182
183 bpar[0] = (iChamber->ROuter() - iChamber->RInner())/2;
184 bpar[1] = dframep1/2;
185 bpar[2] = dframez/2;
186 gMC->Gsvolu("C01B", "BOX", idAlu1, bpar, 3);
187 gMC->Gsvolu("C02B", "BOX", idAlu1, bpar, 3);
188
189 gMC->Gspos("C01B",1,"C01M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
190 idrotm[1100],"ONLY");
191 gMC->Gspos("C01B",2,"C01M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
192 idrotm[1100],"ONLY");
193 gMC->Gspos("C01B",3,"C01M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
194 idrotm[1101],"ONLY");
195 gMC->Gspos("C01B",4,"C01M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
196 idrotm[1101],"ONLY");
197 gMC->Gspos("C01B",5,"C01M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
198 idrotm[1100],"ONLY");
199 gMC->Gspos("C01B",6,"C01M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
200 idrotm[1100],"ONLY");
201 gMC->Gspos("C01B",7,"C01M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
202 idrotm[1101],"ONLY");
203 gMC->Gspos("C01B",8,"C01M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
204 idrotm[1101],"ONLY");
205
206 gMC->Gspos("C02B",1,"C02M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
207 idrotm[1100],"ONLY");
208 gMC->Gspos("C02B",2,"C02M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
209 idrotm[1100],"ONLY");
210 gMC->Gspos("C02B",3,"C02M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
211 idrotm[1101],"ONLY");
212 gMC->Gspos("C02B",4,"C02M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
213 idrotm[1101],"ONLY");
214 gMC->Gspos("C02B",5,"C02M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
215 idrotm[1100],"ONLY");
216 gMC->Gspos("C02B",6,"C02M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
217 idrotm[1100],"ONLY");
218 gMC->Gspos("C02B",7,"C02M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
219 idrotm[1101],"ONLY");
220 gMC->Gspos("C02B",8,"C02M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
221 idrotm[1101],"ONLY");
222 }
223//
224// Chamber Material represented by Alu sheet
225 tpar[0]= iChamber->RInner();
226 tpar[1]= iChamber->ROuter();
227 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
228 gMC->Gsvolu("C01A", "TUBE", idAlu2, tpar, 3);
229 gMC->Gsvolu("C02A", "TUBE",idAlu2, tpar, 3);
230 gMC->Gspos("C01A", 1, "C01M", 0., 0., 0., 0, "ONLY");
231 gMC->Gspos("C02A", 1, "C02M", 0., 0., 0., 0, "ONLY");
232//
233// Sensitive volumes
234 // tpar[2] = iChamber->DGas();
235 tpar[2] = iChamber->DGas()/2;
236 gMC->Gsvolu("C01G", "TUBE", idtmed[1108], tpar, 3);
237 gMC->Gsvolu("C02G", "TUBE", idtmed[1108], tpar, 3);
238 gMC->Gspos("C01G", 1, "C01A", 0., 0., 0., 0, "ONLY");
239 gMC->Gspos("C02G", 1, "C02A", 0., 0., 0., 0, "ONLY");
240//
241// Frame Crosses to be placed inside gas
242 if (frames) {
243
244 dr = (iChamber->ROuter() - iChamber->RInner());
245 bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
246 bpar[1] = dframep1/2;
247 bpar[2] = iChamber->DGas()/2;
248 gMC->Gsvolu("C01F", "BOX", idAlu1, bpar, 3);
249 gMC->Gsvolu("C02F", "BOX", idAlu1, bpar, 3);
250
251 gMC->Gspos("C01F",1,"C01G", +iChamber->RInner()+bpar[0] , 0, 0,
252 idrotm[1100],"ONLY");
253 gMC->Gspos("C01F",2,"C01G", -iChamber->RInner()-bpar[0] , 0, 0,
254 idrotm[1100],"ONLY");
255 gMC->Gspos("C01F",3,"C01G", 0, +iChamber->RInner()+bpar[0] , 0,
256 idrotm[1101],"ONLY");
257 gMC->Gspos("C01F",4,"C01G", 0, -iChamber->RInner()-bpar[0] , 0,
258 idrotm[1101],"ONLY");
259
260 gMC->Gspos("C02F",1,"C02G", +iChamber->RInner()+bpar[0] , 0, 0,
261 idrotm[1100],"ONLY");
262 gMC->Gspos("C02F",2,"C02G", -iChamber->RInner()-bpar[0] , 0, 0,
263 idrotm[1100],"ONLY");
264 gMC->Gspos("C02F",3,"C02G", 0, +iChamber->RInner()+bpar[0] , 0,
265 idrotm[1101],"ONLY");
266 gMC->Gspos("C02F",4,"C02G", 0, -iChamber->RInner()-bpar[0] , 0,
267 idrotm[1101],"ONLY");
268 }
269
270//
271//
272//********************************************************************
273// Station 2 **
274//********************************************************************
275 // indices 1 and 2 for first and second chambers in the station
276 // iChamber (first chamber) kept for other quanties than Z,
277 // assumed to be the same in both chambers
278 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[2];
279 iChamber2 =(AliMUONChamber*) (*fChambers)[3];
280 zpos1=iChamber1->Z();
281 zpos2=iChamber2->Z();
282 dstation = zpos2 - zpos1;
283 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
284
285//
286// Mother volume
287 tpar[0] = iChamber->RInner()-dframep;
288 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
289 tpar[2] = dstation/4;
290
291 gMC->Gsvolu("C03M", "TUBE", idAir, tpar, 3);
292 gMC->Gsvolu("C04M", "TUBE", idAir, tpar, 3);
293 gMC->Gspos("C03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
294 gMC->Gspos("C04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
295// Aluminium frames
296// Outer frames
297 pgpar[0] = 360/12/2;
298 pgpar[1] = 360.;
299 pgpar[2] = 12.;
300 pgpar[3] = 2;
301 pgpar[4] = -dframez/2;
302 pgpar[5] = iChamber->ROuter();
303 pgpar[6] = pgpar[5]+dframep;
304 pgpar[7] = +dframez/2;
305 pgpar[8] = pgpar[5];
306 pgpar[9] = pgpar[6];
307 gMC->Gsvolu("C03O", "PGON", idAlu1, pgpar, 10);
308 gMC->Gsvolu("C04O", "PGON", idAlu1, pgpar, 10);
309 gMC->Gspos("C03O",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
310 gMC->Gspos("C03O",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
311 gMC->Gspos("C04O",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
312 gMC->Gspos("C04O",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
313//
314// Inner frame
315 tpar[0]= iChamber->RInner()-dframep;
316 tpar[1]= iChamber->RInner();
317 tpar[2]= dframez/2;
318 gMC->Gsvolu("C03I", "TUBE", idAlu1, tpar, 3);
319 gMC->Gsvolu("C04I", "TUBE", idAlu1, tpar, 3);
320
321 gMC->Gspos("C03I",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
322 gMC->Gspos("C03I",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
323 gMC->Gspos("C04I",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
324 gMC->Gspos("C04I",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
325//
326// Frame Crosses
327 if (frames) {
328
329 bpar[0] = (iChamber->ROuter() - iChamber->RInner())/2;
330 bpar[1] = dframep/2;
331 bpar[2] = dframez/2;
332 gMC->Gsvolu("C03B", "BOX", idAlu1, bpar, 3);
333 gMC->Gsvolu("C04B", "BOX", idAlu1, bpar, 3);
334
335 gMC->Gspos("C03B",1,"C03M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
336 idrotm[1100],"ONLY");
337 gMC->Gspos("C03B",2,"C03M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
338 idrotm[1100],"ONLY");
339 gMC->Gspos("C03B",3,"C03M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
340 idrotm[1101],"ONLY");
341 gMC->Gspos("C03B",4,"C03M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
342 idrotm[1101],"ONLY");
343 gMC->Gspos("C03B",5,"C03M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
344 idrotm[1100],"ONLY");
345 gMC->Gspos("C03B",6,"C03M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
346 idrotm[1100],"ONLY");
347 gMC->Gspos("C03B",7,"C03M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
348 idrotm[1101],"ONLY");
349 gMC->Gspos("C03B",8,"C03M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
350 idrotm[1101],"ONLY");
351
352 gMC->Gspos("C04B",1,"C04M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
353 idrotm[1100],"ONLY");
354 gMC->Gspos("C04B",2,"C04M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
355 idrotm[1100],"ONLY");
356 gMC->Gspos("C04B",3,"C04M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
357 idrotm[1101],"ONLY");
358 gMC->Gspos("C04B",4,"C04M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
359 idrotm[1101],"ONLY");
360 gMC->Gspos("C04B",5,"C04M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
361 idrotm[1100],"ONLY");
362 gMC->Gspos("C04B",6,"C04M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
363 idrotm[1100],"ONLY");
364 gMC->Gspos("C04B",7,"C04M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
365 idrotm[1101],"ONLY");
366 gMC->Gspos("C04B",8,"C04M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
367 idrotm[1101],"ONLY");
368 }
369//
370// Chamber Material represented by Alu sheet
371 tpar[0]= iChamber->RInner();
372 tpar[1]= iChamber->ROuter();
373 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
374 gMC->Gsvolu("C03A", "TUBE", idAlu2, tpar, 3);
375 gMC->Gsvolu("C04A", "TUBE", idAlu2, tpar, 3);
376 gMC->Gspos("C03A", 1, "C03M", 0., 0., 0., 0, "ONLY");
377 gMC->Gspos("C04A", 1, "C04M", 0., 0., 0., 0, "ONLY");
378//
379// Sensitive volumes
380 // tpar[2] = iChamber->DGas();
381 tpar[2] = iChamber->DGas()/2;
382 gMC->Gsvolu("C03G", "TUBE", idGas, tpar, 3);
383 gMC->Gsvolu("C04G", "TUBE", idGas, tpar, 3);
384 gMC->Gspos("C03G", 1, "C03A", 0., 0., 0., 0, "ONLY");
385 gMC->Gspos("C04G", 1, "C04A", 0., 0., 0., 0, "ONLY");
386
387 if (frames) {
388//
389// Frame Crosses to be placed inside gas
390 dr = (iChamber->ROuter() - iChamber->RInner());
391 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
392 bpar[1] = dframep/2;
393 bpar[2] = iChamber->DGas()/2;
394 gMC->Gsvolu("C03F", "BOX", idAlu1, bpar, 3);
395 gMC->Gsvolu("C04F", "BOX", idAlu1, bpar, 3);
396
397 gMC->Gspos("C03F",1,"C03G", +iChamber->RInner()+bpar[0] , 0, 0,
398 idrotm[1100],"ONLY");
399 gMC->Gspos("C03F",2,"C03G", -iChamber->RInner()-bpar[0] , 0, 0,
400 idrotm[1100],"ONLY");
401 gMC->Gspos("C03F",3,"C03G", 0, +iChamber->RInner()+bpar[0] , 0,
402 idrotm[1101],"ONLY");
403 gMC->Gspos("C03F",4,"C03G", 0, -iChamber->RInner()-bpar[0] , 0,
404 idrotm[1101],"ONLY");
405
406 gMC->Gspos("C04F",1,"C04G", +iChamber->RInner()+bpar[0] , 0, 0,
407 idrotm[1100],"ONLY");
408 gMC->Gspos("C04F",2,"C04G", -iChamber->RInner()-bpar[0] , 0, 0,
409 idrotm[1100],"ONLY");
410 gMC->Gspos("C04F",3,"C04G", 0, +iChamber->RInner()+bpar[0] , 0,
411 idrotm[1101],"ONLY");
412 gMC->Gspos("C04F",4,"C04G", 0, -iChamber->RInner()-bpar[0] , 0,
413 idrotm[1101],"ONLY");
414 }
415
416//********************************************************************
417// Station 3 **
418//********************************************************************
419 // indices 1 and 2 for first and second chambers in the station
420 // iChamber (first chamber) kept for other quanties than Z,
421 // assumed to be the same in both chambers
422 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[4];
423 iChamber2 =(AliMUONChamber*) (*fChambers)[5];
424 zpos1=iChamber1->Z();
425 zpos2=iChamber2->Z();
426 dstation = zpos2 - zpos1;
427
428 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
429//
430// Mother volume
431 tpar[0] = iChamber->RInner()-dframep;
432 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
433 tpar[2] = dstation/4;
434 gMC->Gsvolu("C05M", "TUBE", idAir, tpar, 3);
435 gMC->Gsvolu("C06M", "TUBE", idAir, tpar, 3);
436 gMC->Gspos("C05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
437 gMC->Gspos("C06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
438// Aluminium frames
439// Outer frames
440 pgpar[0] = 360/12/2;
441 pgpar[1] = 360.;
442 pgpar[2] = 12.;
443 pgpar[3] = 2;
444 pgpar[4] = -dframez/2;
445 pgpar[5] = iChamber->ROuter();
446 pgpar[6] = pgpar[5]+dframep;
447 pgpar[7] = +dframez/2;
448 pgpar[8] = pgpar[5];
449 pgpar[9] = pgpar[6];
450 gMC->Gsvolu("C05O", "PGON", idAlu1, pgpar, 10);
451 gMC->Gsvolu("C06O", "PGON", idAlu1, pgpar, 10);
452 gMC->Gspos("C05O",1,"C05M", 0.,0.,-zfpos, 0,"ONLY");
453 gMC->Gspos("C05O",2,"C05M", 0.,0.,+zfpos, 0,"ONLY");
454 gMC->Gspos("C06O",1,"C06M", 0.,0.,-zfpos, 0,"ONLY");
455 gMC->Gspos("C06O",2,"C06M", 0.,0.,+zfpos, 0,"ONLY");
456//
457// Inner frame
458 tpar[0]= iChamber->RInner()-dframep;
459 tpar[1]= iChamber->RInner();
460 tpar[2]= dframez/2;
461 gMC->Gsvolu("C05I", "TUBE", idAlu1, tpar, 3);
462 gMC->Gsvolu("C06I", "TUBE", idAlu1, tpar, 3);
463
464 gMC->Gspos("C05I",1,"C05M", 0.,0.,-zfpos, 0,"ONLY");
465 gMC->Gspos("C05I",2,"C05M", 0.,0.,+zfpos, 0,"ONLY");
466 gMC->Gspos("C06I",1,"C06M", 0.,0.,-zfpos, 0,"ONLY");
467 gMC->Gspos("C06I",2,"C06M", 0.,0.,+zfpos, 0,"ONLY");
468//
469// Frame Crosses
470 if (frames) {
471 bpar[0] = (iChamber->ROuter() - iChamber->RInner())/2;
472 bpar[1] = dframep/2;
473 bpar[2] = dframez/2;
474 gMC->Gsvolu("C05B", "BOX", idAlu1, bpar, 3);
475 gMC->Gsvolu("C06B", "BOX", idAlu1, bpar, 3);
476
477 gMC->Gspos("C05B",1,"C05M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
478 idrotm[1100],"ONLY");
479 gMC->Gspos("C05B",2,"C05M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
480 idrotm[1100],"ONLY");
481 gMC->Gspos("C05B",3,"C05M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
482 idrotm[1101],"ONLY");
483 gMC->Gspos("C05B",4,"C05M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
484 idrotm[1101],"ONLY");
485 gMC->Gspos("C05B",5,"C05M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
486 idrotm[1100],"ONLY");
487 gMC->Gspos("C05B",6,"C05M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
488 idrotm[1100],"ONLY");
489 gMC->Gspos("C05B",7,"C05M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
490 idrotm[1101],"ONLY");
491 gMC->Gspos("C05B",8,"C05M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
492 idrotm[1101],"ONLY");
493
494 gMC->Gspos("C06B",1,"C06M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
495 idrotm[1100],"ONLY");
496 gMC->Gspos("C06B",2,"C06M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
497 idrotm[1100],"ONLY");
498 gMC->Gspos("C06B",3,"C06M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
499 idrotm[1101],"ONLY");
500 gMC->Gspos("C06B",4,"C06M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
501 idrotm[1101],"ONLY");
502 gMC->Gspos("C06B",5,"C06M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
503 idrotm[1100],"ONLY");
504 gMC->Gspos("C06B",6,"C06M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
505 idrotm[1100],"ONLY");
506 gMC->Gspos("C06B",7,"C06M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
507 idrotm[1101],"ONLY");
508 gMC->Gspos("C06B",8,"C06M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
509 idrotm[1101],"ONLY");
510 }
511
512
513//
514// Chamber Material represented by Alu sheet
515 tpar[0]= iChamber->RInner();
516 tpar[1]= iChamber->ROuter();
517 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
518 gMC->Gsvolu("C05A", "TUBE", idAlu2, tpar, 3);
519 gMC->Gsvolu("C06A", "TUBE", idAlu2, tpar, 3);
520 gMC->Gspos("C05A", 1, "C05M", 0., 0., 0., 0, "ONLY");
521 gMC->Gspos("C06A", 1, "C06M", 0., 0., 0., 0, "ONLY");
522//
523// Sensitive volumes
524 tpar[2] = iChamber->DGas()/2.;
525 gMC->Gsvolu("C05G", "TUBE", idGas, tpar, 3);
526 gMC->Gsvolu("C06G", "TUBE", idGas, tpar, 3);
527 gMC->Gspos("C05G", 1, "C05A", 0., 0., 0., 0, "ONLY");
528 gMC->Gspos("C06G", 1, "C06A", 0., 0., 0., 0, "ONLY");
529//
530// Frame Crosses to be placed inside gas
531 if (frames) {
532 dr = (iChamber->ROuter() - iChamber->RInner());
533 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
534 bpar[1] = dframep/2;
535 bpar[2] = iChamber->DGas()/2;
536 gMC->Gsvolu("C05F", "BOX", idAlu1, bpar, 3);
537 gMC->Gsvolu("C06F", "BOX", idAlu1, bpar, 3);
538
539 gMC->Gspos("C05F",1,"C05G", +iChamber->RInner()+bpar[0] , 0, 0,
540 idrotm[1100],"ONLY");
541 gMC->Gspos("C05F",2,"C05G", -iChamber->RInner()-bpar[0] , 0, 0,
542 idrotm[1100],"ONLY");
543 gMC->Gspos("C05F",3,"C05G", 0, +iChamber->RInner()+bpar[0] , 0,
544 idrotm[1101],"ONLY");
545 gMC->Gspos("C05F",4,"C05G", 0, -iChamber->RInner()-bpar[0] , 0,
546 idrotm[1101],"ONLY");
547
548 gMC->Gspos("C06F",1,"C06G", +iChamber->RInner()+bpar[0] , 0, 0,
549 idrotm[1100],"ONLY");
550 gMC->Gspos("C06F",2,"C06G", -iChamber->RInner()-bpar[0] , 0, 0,
551 idrotm[1100],"ONLY");
552 gMC->Gspos("C06F",3,"C06G", 0, +iChamber->RInner()+bpar[0] , 0,
553 idrotm[1101],"ONLY");
554 gMC->Gspos("C06F",4,"C06G", 0, -iChamber->RInner()-bpar[0] , 0,
555 idrotm[1101],"ONLY");
556}
557
558//********************************************************************
559// Station 4 **
560//********************************************************************
561 // indices 1 and 2 for first and second chambers in the station
562 // iChamber (first chamber) kept for other quanties than Z,
563 // assumed to be the same in both chambers
564 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[6];
565 iChamber2 =(AliMUONChamber*) (*fChambers)[7];
566 zpos1=iChamber1->Z();
567 zpos2=iChamber2->Z();
568 dstation = zpos2 - zpos1;
569 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
570
571//
572// Mother volume
573 tpar[0] = iChamber->RInner()-dframep;
574 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
575 tpar[2] = dstation/4;
576
577 gMC->Gsvolu("C07M", "TUBE", idAir, tpar, 3);
578 gMC->Gsvolu("C08M", "TUBE", idAir, tpar, 3);
579 gMC->Gspos("C07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
580 gMC->Gspos("C08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
581// Aluminium frames
582// Outer frames
583 pgpar[0] = 360/12/2;
584 pgpar[1] = 360.;
585 pgpar[2] = 12.;
586 pgpar[3] = 2;
587 pgpar[4] = -dframez/2;
588 pgpar[5] = iChamber->ROuter();
589 pgpar[6] = pgpar[5]+dframep;
590 pgpar[7] = +dframez/2;
591 pgpar[8] = pgpar[5];
592 pgpar[9] = pgpar[6];
593 gMC->Gsvolu("C07O", "PGON", idAlu1, pgpar, 10);
594 gMC->Gsvolu("C08O", "PGON", idAlu1, pgpar, 10);
595 gMC->Gspos("C07O",1,"C07M", 0.,0.,-zfpos, 0,"ONLY");
596 gMC->Gspos("C07O",2,"C07M", 0.,0.,+zfpos, 0,"ONLY");
597 gMC->Gspos("C08O",1,"C08M", 0.,0.,-zfpos, 0,"ONLY");
598 gMC->Gspos("C08O",2,"C08M", 0.,0.,+zfpos, 0,"ONLY");
599//
600// Inner frame
601 tpar[0]= iChamber->RInner()-dframep;
602 tpar[1]= iChamber->RInner();
603 tpar[2]= dframez/2;
604 gMC->Gsvolu("C07I", "TUBE", idAlu1, tpar, 3);
605 gMC->Gsvolu("C08I", "TUBE", idAlu1, tpar, 3);
606
607 gMC->Gspos("C07I",1,"C07M", 0.,0.,-zfpos, 0,"ONLY");
608 gMC->Gspos("C07I",2,"C07M", 0.,0.,+zfpos, 0,"ONLY");
609 gMC->Gspos("C08I",1,"C08M", 0.,0.,-zfpos, 0,"ONLY");
610 gMC->Gspos("C08I",2,"C08M", 0.,0.,+zfpos, 0,"ONLY");
611//
612// Frame Crosses
613 if (frames) {
614 bpar[0] = (iChamber->ROuter() - iChamber->RInner())/2;
615 bpar[1] = dframep/2;
616 bpar[2] = dframez/2;
617 gMC->Gsvolu("C07B", "BOX", idAlu1, bpar, 3);
618 gMC->Gsvolu("C08B", "BOX", idAlu1, bpar, 3);
619
620 gMC->Gspos("C07B",1,"C07M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
621 idrotm[1100],"ONLY");
622 gMC->Gspos("C07B",2,"C07M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
623 idrotm[1100],"ONLY");
624 gMC->Gspos("C07B",3,"C07M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
625 idrotm[1101],"ONLY");
626 gMC->Gspos("C07B",4,"C07M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
627 idrotm[1101],"ONLY");
628 gMC->Gspos("C07B",5,"C07M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
629 idrotm[1100],"ONLY");
630 gMC->Gspos("C07B",6,"C07M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
631 idrotm[1100],"ONLY");
632 gMC->Gspos("C07B",7,"C07M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
633 idrotm[1101],"ONLY");
634 gMC->Gspos("C07B",8,"C07M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
635 idrotm[1101],"ONLY");
636
637 gMC->Gspos("C08B",1,"C08M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
638 idrotm[1100],"ONLY");
639 gMC->Gspos("C08B",2,"C08M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
640 idrotm[1100],"ONLY");
641 gMC->Gspos("C08B",3,"C08M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
642 idrotm[1101],"ONLY");
643 gMC->Gspos("C08B",4,"C08M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
644 idrotm[1101],"ONLY");
645 gMC->Gspos("C08B",5,"C08M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
646 idrotm[1100],"ONLY");
647 gMC->Gspos("C08B",6,"C08M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
648 idrotm[1100],"ONLY");
649 gMC->Gspos("C08B",7,"C08M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
650 idrotm[1101],"ONLY");
651 gMC->Gspos("C08B",8,"C08M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
652 idrotm[1101],"ONLY");
653 }
654
655
656//
657// Chamber Material represented by Alu sheet
658 tpar[0]= iChamber->RInner();
659 tpar[1]= iChamber->ROuter();
660 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
661 gMC->Gsvolu("C07A", "TUBE", idAlu2, tpar, 3);
662 gMC->Gsvolu("C08A", "TUBE", idAlu2, tpar, 3);
663 gMC->Gspos("C07A", 1, "C07M", 0., 0., 0., 0, "ONLY");
664 gMC->Gspos("C08A", 1, "C08M", 0., 0., 0., 0, "ONLY");
665//
666// Sensitive volumes
667 // tpar[2] = iChamber->DGas();
668 tpar[2] = iChamber->DGas()/2;
669 gMC->Gsvolu("C07G", "TUBE", idGas, tpar, 3);
670 gMC->Gsvolu("C08G", "TUBE", idGas, tpar, 3);
671 gMC->Gspos("C07G", 1, "C07A", 0., 0., 0., 0, "ONLY");
672 gMC->Gspos("C08G", 1, "C08A", 0., 0., 0., 0, "ONLY");
673//
674// Frame Crosses to be placed inside gas
675 if (frames) {
676 dr = (iChamber->ROuter() - iChamber->RInner());
677 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
678 bpar[1] = dframep/2;
679 bpar[2] = iChamber->DGas()/2;
680 gMC->Gsvolu("C07F", "BOX", idAlu1, bpar, 3);
681 gMC->Gsvolu("C08F", "BOX", idAlu1, bpar, 3);
682
683 gMC->Gspos("C07F",1,"C07G", +iChamber->RInner()+bpar[0] , 0, 0,
684 idrotm[1100],"ONLY");
685 gMC->Gspos("C07F",2,"C07G", -iChamber->RInner()-bpar[0] , 0, 0,
686 idrotm[1100],"ONLY");
687 gMC->Gspos("C07F",3,"C07G", 0, +iChamber->RInner()+bpar[0] , 0,
688 idrotm[1101],"ONLY");
689 gMC->Gspos("C07F",4,"C07G", 0, -iChamber->RInner()-bpar[0] , 0,
690 idrotm[1101],"ONLY");
691
692 gMC->Gspos("C08F",1,"C08G", +iChamber->RInner()+bpar[0] , 0, 0,
693 idrotm[1100],"ONLY");
694 gMC->Gspos("C08F",2,"C08G", -iChamber->RInner()-bpar[0] , 0, 0,
695 idrotm[1100],"ONLY");
696 gMC->Gspos("C08F",3,"C08G", 0, +iChamber->RInner()+bpar[0] , 0,
697 idrotm[1101],"ONLY");
698 gMC->Gspos("C08F",4,"C08G", 0, -iChamber->RInner()-bpar[0] , 0,
699 idrotm[1101],"ONLY");
700 }
701//********************************************************************
702// Station 5 **
703//********************************************************************
704 // indices 1 and 2 for first and second chambers in the station
705 // iChamber (first chamber) kept for other quanties than Z,
706 // assumed to be the same in both chambers
707 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[8];
708 iChamber2 =(AliMUONChamber*) (*fChambers)[9];
709 zpos1=iChamber1->Z();
710 zpos2=iChamber2->Z();
711 dstation = zpos2 - zpos1;
712 zfpos=-(iChamber->DGas()+dframez+iChamber->DAlu())/2;
713
714//
715// Mother volume
716 tpar[0] = iChamber->RInner()-dframep;
717 tpar[1] = (iChamber->ROuter()+dframep)/TMath::Cos(phi);
718 tpar[2] = dstation/4;
719
720 gMC->Gsvolu("C09M", "TUBE", idAir, tpar, 3);
721 gMC->Gsvolu("C10M", "TUBE", idAir, tpar, 3);
722 gMC->Gspos("C09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
723 gMC->Gspos("C10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
724// Aluminium frames
725// Outer frames
726 pgpar[0] = 360/12/2;
727 pgpar[1] = 360.;
728 pgpar[2] = 12.;
729 pgpar[3] = 2;
730 pgpar[4] = -dframez/2;
731 pgpar[5] = iChamber->ROuter();
732 pgpar[6] = pgpar[5]+dframep;
733 pgpar[7] = +dframez/2;
734 pgpar[8] = pgpar[5];
735 pgpar[9] = pgpar[6];
736 gMC->Gsvolu("C09O", "PGON", idAlu1, pgpar, 10);
737 gMC->Gsvolu("C10O", "PGON", idAlu1, pgpar, 10);
738 gMC->Gspos("C09O",1,"C09M", 0.,0.,-zfpos, 0,"ONLY");
739 gMC->Gspos("C09O",2,"C09M", 0.,0.,+zfpos, 0,"ONLY");
740 gMC->Gspos("C10O",1,"C10M", 0.,0.,-zfpos, 0,"ONLY");
741 gMC->Gspos("C10O",2,"C10M", 0.,0.,+zfpos, 0,"ONLY");
742//
743// Inner frame
744 tpar[0]= iChamber->RInner()-dframep;
745 tpar[1]= iChamber->RInner();
746 tpar[2]= dframez/2;
747 gMC->Gsvolu("C09I", "TUBE", idAlu1, tpar, 3);
748 gMC->Gsvolu("C10I", "TUBE", idAlu1, tpar, 3);
749
750 gMC->Gspos("C09I",1,"C09M", 0.,0.,-zfpos, 0,"ONLY");
751 gMC->Gspos("C09I",2,"C09M", 0.,0.,+zfpos, 0,"ONLY");
752 gMC->Gspos("C10I",1,"C10M", 0.,0.,-zfpos, 0,"ONLY");
753 gMC->Gspos("C10I",2,"C10M", 0.,0.,+zfpos, 0,"ONLY");
754
755 if (frames) {
756//
757// Frame Crosses
758
759 bpar[0] = (iChamber->ROuter() - iChamber->RInner())/2;
760 bpar[1] = dframep/2;
761 bpar[2] = dframez/2;
762 gMC->Gsvolu("C09B", "BOX", idAlu1, bpar, 3);
763 gMC->Gsvolu("C10B", "BOX", idAlu1, bpar, 3);
764
765 gMC->Gspos("C09B",1,"C09M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
766 idrotm[1100],"ONLY");
767 gMC->Gspos("C09B",2,"C09M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
768 idrotm[1100],"ONLY");
769 gMC->Gspos("C09B",3,"C09M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
770 idrotm[1101],"ONLY");
771 gMC->Gspos("C09B",4,"C09M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
772 idrotm[1101],"ONLY");
773 gMC->Gspos("C09B",5,"C09M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
774 idrotm[1100],"ONLY");
775 gMC->Gspos("C09B",6,"C09M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
776 idrotm[1100],"ONLY");
777 gMC->Gspos("C09B",7,"C09M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
778 idrotm[1101],"ONLY");
779 gMC->Gspos("C09B",8,"C09M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
780 idrotm[1101],"ONLY");
781
782 gMC->Gspos("C10B",1,"C10M", +iChamber->RInner()+bpar[0] , 0,-zfpos,
783 idrotm[1100],"ONLY");
784 gMC->Gspos("C10B",2,"C10M", -iChamber->RInner()-bpar[0] , 0,-zfpos,
785 idrotm[1100],"ONLY");
786 gMC->Gspos("C10B",3,"C10M", 0, +iChamber->RInner()+bpar[0] ,-zfpos,
787 idrotm[1101],"ONLY");
788 gMC->Gspos("C10B",4,"C10M", 0, -iChamber->RInner()-bpar[0] ,-zfpos,
789 idrotm[1101],"ONLY");
790 gMC->Gspos("C10B",5,"C10M", +iChamber->RInner()+bpar[0] , 0,+zfpos,
791 idrotm[1100],"ONLY");
792 gMC->Gspos("C10B",6,"C10M", -iChamber->RInner()-bpar[0] , 0,+zfpos,
793 idrotm[1100],"ONLY");
794 gMC->Gspos("C10B",7,"C10M", 0, +iChamber->RInner()+bpar[0] ,+zfpos,
795 idrotm[1101],"ONLY");
796 gMC->Gspos("C10B",8,"C10M", 0, -iChamber->RInner()-bpar[0] ,+zfpos,
797 idrotm[1101],"ONLY");
798 }
799
800
801//
802// Chamber Material represented by Alu sheet
803 tpar[0]= iChamber->RInner();
804 tpar[1]= iChamber->ROuter();
805 tpar[2] = (iChamber->DGas()+iChamber->DAlu())/2;
806 gMC->Gsvolu("C09A", "TUBE", idAlu2, tpar, 3);
807 gMC->Gsvolu("C10A", "TUBE", idAlu2, tpar, 3);
808 gMC->Gspos("C09A", 1, "C09M", 0., 0., 0., 0, "ONLY");
809 gMC->Gspos("C10A", 1, "C10M", 0., 0., 0., 0, "ONLY");
810//
811// Sensitive volumes
812 // tpar[2] = iChamber->DGas();
813 tpar[2] = iChamber->DGas()/2;
814 gMC->Gsvolu("C09G", "TUBE", idGas, tpar, 3);
815 gMC->Gsvolu("C10G", "TUBE", idGas, tpar, 3);
816 gMC->Gspos("C09G", 1, "C09A", 0., 0., 0., 0, "ONLY");
817 gMC->Gspos("C10G", 1, "C10A", 0., 0., 0., 0, "ONLY");
818//
819// Frame Crosses to be placed inside gas
820 if (frames) {
821 dr = (iChamber->ROuter() - iChamber->RInner());
822 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
823 bpar[1] = dframep/2;
824 bpar[2] = iChamber->DGas()/2;
825 gMC->Gsvolu("C09F", "BOX", idAlu1, bpar, 3);
826 gMC->Gsvolu("C10F", "BOX", idAlu1, bpar, 3);
827
828 gMC->Gspos("C09F",1,"C09G", +iChamber->RInner()+bpar[0] , 0, 0,
829 idrotm[1100],"ONLY");
830 gMC->Gspos("C09F",2,"C09G", -iChamber->RInner()-bpar[0] , 0, 0,
831 idrotm[1100],"ONLY");
832 gMC->Gspos("C09F",3,"C09G", 0, +iChamber->RInner()+bpar[0] , 0,
833 idrotm[1101],"ONLY");
834 gMC->Gspos("C09F",4,"C09G", 0, -iChamber->RInner()-bpar[0] , 0,
835 idrotm[1101],"ONLY");
836
837 gMC->Gspos("C10F",1,"C10G", +iChamber->RInner()+bpar[0] , 0, 0,
838 idrotm[1100],"ONLY");
839 gMC->Gspos("C10F",2,"C10G", -iChamber->RInner()-bpar[0] , 0, 0,
840 idrotm[1100],"ONLY");
841 gMC->Gspos("C10F",3,"C10G", 0, +iChamber->RInner()+bpar[0] , 0,
842 idrotm[1101],"ONLY");
843 gMC->Gspos("C10F",4,"C10G", 0, -iChamber->RInner()-bpar[0] , 0,
844 idrotm[1101],"ONLY");
845 }
846
847///////////////////////////////////////
848// GEOMETRY FOR THE TRIGGER CHAMBERS //
849///////////////////////////////////////
850
851// 03/00 P. Dupieux : introduce a slighly more realistic
852// geom. of the trigger readout planes with
853// 2 Zpos per trigger plane (alternate
854// between left and right of the trigger)
855
856// Parameters of the Trigger Chambers
857
858
859 const Float_t kXMC1MIN=34.;
860 const Float_t kXMC1MED=51.;
861 const Float_t kXMC1MAX=272.;
862 const Float_t kYMC1MIN=34.;
863 const Float_t kYMC1MAX=51.;
864 const Float_t kRMIN1=50.;
865 const Float_t kRMAX1=62.;
866 const Float_t kRMIN2=50.;
867 const Float_t kRMAX2=66.;
868
869// zposition of the middle of the gas gap in mother vol
870 const Float_t kZMCm=-3.6;
871 const Float_t kZMCp=+3.6;
872
873
874// TRIGGER STATION 1 - TRIGGER STATION 1 - TRIGGER STATION 1
875
876 // iChamber 1 and 2 for first and second chambers in the station
877 // iChamber (first chamber) kept for other quanties than Z,
878 // assumed to be the same in both chambers
879 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[10];
880 iChamber2 =(AliMUONChamber*) (*fChambers)[11];
881
882 // 03/00
883 // zpos1 and zpos2 are now the middle of the first and second
884 // plane of station 1 :
885 // zpos1=(16075+15995)/2=16035 mm, thick/2=40 mm
886 // zpos2=(16225+16145)/2=16185 mm, thick/2=40 mm
887 //
888 // zpos1m=15999 mm , zpos1p=16071 mm (middles of gas gaps)
889 // zpos2m=16149 mm , zpos2p=16221 mm (middles of gas gaps)
890 // rem : the total thickness accounts for 1 mm of al on both
891 // side of the RPCs (see zpos1 and zpos2), as previously
892
893 zpos1=iChamber1->Z();
894 zpos2=iChamber2->Z();
895
896
897// Mother volume definition
898 tpar[0] = iChamber->RInner();
899 tpar[1] = iChamber->ROuter();
900 tpar[2] = 4.0;
901 gMC->Gsvolu("CM11", "TUBE", idAir, tpar, 3);
902 gMC->Gsvolu("CM12", "TUBE", idAir, tpar, 3);
903
904// Definition of the flange between the beam shielding and the RPC
905 tpar[0]= kRMIN1;
906 tpar[1]= kRMAX1;
907 tpar[2]= 4.0;
908
909 gMC->Gsvolu("CF1A", "TUBE", idAlu1, tpar, 3); //Al
910 gMC->Gspos("CF1A", 1, "CM11", 0., 0., 0., 0, "MANY");
911 gMC->Gspos("CF1A", 2, "CM12", 0., 0., 0., 0, "MANY");
912
913
914// FIRST PLANE OF STATION 1
915
916// ratios of zpos1m/zpos1p and inverse for first plane
917 Float_t zmp=(zpos1-3.6)/(zpos1+3.6);
918 Float_t zpm=1./zmp;
919
920
921// Definition of prototype for chambers in the first plane
922
923 tpar[0]= 0.;
924 tpar[1]= 0.;
925 tpar[2]= 0.;
926
927 gMC->Gsvolu("CC1A", "BOX ", idAlu1, tpar, 0); //Al
928 gMC->Gsvolu("CB1A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
929 gMC->Gsvolu("CG1A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
930
931// chamber type A
932 tpar[0] = -1.;
933 tpar[1] = -1.;
934
935 const Float_t kXMC1A=kXMC1MED+(kXMC1MAX-kXMC1MED)/2.;
936 const Float_t kYMC1Am=0.;
937 const Float_t kYMC1Ap=0.;
938
939 tpar[2] = 0.1;
940 gMC->Gsposp("CG1A", 1, "CB1A", 0., 0., 0., 0, "ONLY",tpar,3);
941 tpar[2] = 0.3;
942 gMC->Gsposp("CB1A", 1, "CC1A", 0., 0., 0., 0, "ONLY",tpar,3);
943
944 tpar[2] = 0.4;
945 tpar[0] = (kXMC1MAX-kXMC1MED)/2.;
946 tpar[1] = kYMC1MIN;
947
948 gMC->Gsposp("CC1A", 1, "CM11",kXMC1A,kYMC1Am,kZMCm, 0, "ONLY", tpar, 3);
949 gMC->Gsposp("CC1A", 2, "CM11",-kXMC1A,kYMC1Ap,kZMCp, 0, "ONLY", tpar, 3);
950
951// chamber type B
952 Float_t tpar1save=tpar[1];
953 Float_t y1msave=kYMC1Am;
954 Float_t y1psave=kYMC1Ap;
955
956 tpar[0] = (kXMC1MAX-kXMC1MIN)/2.;
957 tpar[1] = (kYMC1MAX-kYMC1MIN)/2.;
958
959 const Float_t kXMC1B=kXMC1MIN+tpar[0];
960 const Float_t kYMC1Bp=(y1msave+tpar1save)*zpm+tpar[1];
961 const Float_t kYMC1Bm=(y1psave+tpar1save)*zmp+tpar[1];
962
963 gMC->Gsposp("CC1A", 3, "CM11",kXMC1B,kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
964 gMC->Gsposp("CC1A", 4, "CM11",-kXMC1B,kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
965 gMC->Gsposp("CC1A", 5, "CM11",kXMC1B,-kYMC1Bp,kZMCp, 0, "ONLY", tpar, 3);
966 gMC->Gsposp("CC1A", 6, "CM11",-kXMC1B,-kYMC1Bm,kZMCm, 0, "ONLY", tpar, 3);
967
968// chamber type C (end of type B !!)
969 tpar1save=tpar[1];
970 y1msave=kYMC1Bm;
971 y1psave=kYMC1Bp;
972
973 tpar[0] = kXMC1MAX/2;
974 tpar[1] = kYMC1MAX/2;
975
976 const Float_t kXMC1C=tpar[0];
977// warning : same Z than type B
978 const Float_t kYMC1Cp=(y1psave+tpar1save)*1.+tpar[1];
979 const Float_t kYMC1Cm=(y1msave+tpar1save)*1.+tpar[1];
980
981 gMC->Gsposp("CC1A", 7, "CM11",kXMC1C,kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
982 gMC->Gsposp("CC1A", 8, "CM11",-kXMC1C,kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
983 gMC->Gsposp("CC1A", 9, "CM11",kXMC1C,-kYMC1Cp,kZMCp, 0, "ONLY", tpar, 3);
984 gMC->Gsposp("CC1A", 10, "CM11",-kXMC1C,-kYMC1Cm,kZMCm, 0, "ONLY", tpar, 3);
985
986// chamber type D, E and F (same size)
987 tpar1save=tpar[1];
988 y1msave=kYMC1Cm;
989 y1psave=kYMC1Cp;
990
991 tpar[0] = kXMC1MAX/2.;
992 tpar[1] = kYMC1MIN;
993
994 const Float_t kXMC1D=tpar[0];
995 const Float_t kYMC1Dp=(y1msave+tpar1save)*zpm+tpar[1];
996 const Float_t kYMC1Dm=(y1psave+tpar1save)*zmp+tpar[1];
997
998 gMC->Gsposp("CC1A", 11, "CM11",kXMC1D,kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
999 gMC->Gsposp("CC1A", 12, "CM11",-kXMC1D,kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1000 gMC->Gsposp("CC1A", 13, "CM11",kXMC1D,-kYMC1Dm,kZMCm, 0, "ONLY", tpar, 3);
1001 gMC->Gsposp("CC1A", 14, "CM11",-kXMC1D,-kYMC1Dp,kZMCp, 0, "ONLY", tpar, 3);
1002
1003
1004 tpar1save=tpar[1];
1005 y1msave=kYMC1Dm;
1006 y1psave=kYMC1Dp;
1007 const Float_t kYMC1Ep=(y1msave+tpar1save)*zpm+tpar[1];
1008 const Float_t kYMC1Em=(y1psave+tpar1save)*zmp+tpar[1];
1009
1010 gMC->Gsposp("CC1A", 15, "CM11",kXMC1D,kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1011 gMC->Gsposp("CC1A", 16, "CM11",-kXMC1D,kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1012 gMC->Gsposp("CC1A", 17, "CM11",kXMC1D,-kYMC1Ep,kZMCp, 0, "ONLY", tpar, 3);
1013 gMC->Gsposp("CC1A", 18, "CM11",-kXMC1D,-kYMC1Em,kZMCm, 0, "ONLY", tpar, 3);
1014
1015 tpar1save=tpar[1];
1016 y1msave=kYMC1Em;
1017 y1psave=kYMC1Ep;
1018 const Float_t kYMC1Fp=(y1msave+tpar1save)*zpm+tpar[1];
1019 const Float_t kYMC1Fm=(y1psave+tpar1save)*zmp+tpar[1];
1020
1021 gMC->Gsposp("CC1A", 19, "CM11",kXMC1D,kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1022 gMC->Gsposp("CC1A", 20, "CM11",-kXMC1D,kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1023 gMC->Gsposp("CC1A", 21, "CM11",kXMC1D,-kYMC1Fm,kZMCm, 0, "ONLY", tpar, 3);
1024 gMC->Gsposp("CC1A", 22, "CM11",-kXMC1D,-kYMC1Fp,kZMCp, 0, "ONLY", tpar, 3);
1025
1026// Positioning first plane in ALICE
1027 gMC->Gspos("CM11", 1, "ALIC", 0., 0., zpos1, 0, "ONLY");
1028
1029// End of geometry definition for the first plane of station 1
1030
1031
1032
1033// SECOND PLANE OF STATION 1 : proj ratio = zpos2/zpos1
1034
1035 const Float_t kZ12=zpos2/zpos1;
1036
1037// Definition of prototype for chambers in the second plane of station 1
1038
1039 tpar[0]= 0.;
1040 tpar[1]= 0.;
1041 tpar[2]= 0.;
1042
1043 gMC->Gsvolu("CC2A", "BOX ", idAlu1, tpar, 0); //Al
1044 gMC->Gsvolu("CB2A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1045 gMC->Gsvolu("CG2A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1046
1047// chamber type A
1048 tpar[0] = -1.;
1049 tpar[1] = -1.;
1050
1051 const Float_t kXMC2A=kXMC1A*kZ12;
1052 const Float_t kYMC2Am=0.;
1053 const Float_t kYMC2Ap=0.;
1054
1055 tpar[2] = 0.1;
1056 gMC->Gsposp("CG2A", 1, "CB2A", 0., 0., 0., 0, "ONLY",tpar,3);
1057 tpar[2] = 0.3;
1058 gMC->Gsposp("CB2A", 1, "CC2A", 0., 0., 0., 0, "ONLY",tpar,3);
1059
1060 tpar[2] = 0.4;
1061 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ12;
1062 tpar[1] = kYMC1MIN*kZ12;
1063
1064 gMC->Gsposp("CC2A", 1, "CM12",kXMC2A,kYMC2Am,kZMCm, 0, "ONLY", tpar, 3);
1065 gMC->Gsposp("CC2A", 2, "CM12",-kXMC2A,kYMC2Ap,kZMCp, 0, "ONLY", tpar, 3);
1066
1067
1068// chamber type B
1069
1070 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ12;
1071 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ12;
1072
1073 const Float_t kXMC2B=kXMC1B*kZ12;
1074 const Float_t kYMC2Bp=kYMC1Bp*kZ12;
1075 const Float_t kYMC2Bm=kYMC1Bm*kZ12;
1076 gMC->Gsposp("CC2A", 3, "CM12",kXMC2B,kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1077 gMC->Gsposp("CC2A", 4, "CM12",-kXMC2B,kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1078 gMC->Gsposp("CC2A", 5, "CM12",kXMC2B,-kYMC2Bp,kZMCp, 0, "ONLY", tpar, 3);
1079 gMC->Gsposp("CC2A", 6, "CM12",-kXMC2B,-kYMC2Bm,kZMCm, 0, "ONLY", tpar, 3);
1080
1081
1082// chamber type C (end of type B !!)
1083
1084 tpar[0] = (kXMC1MAX/2)*kZ12;
1085 tpar[1] = (kYMC1MAX/2)*kZ12;
1086
1087 const Float_t kXMC2C=kXMC1C*kZ12;
1088 const Float_t kYMC2Cp=kYMC1Cp*kZ12;
1089 const Float_t kYMC2Cm=kYMC1Cm*kZ12;
1090 gMC->Gsposp("CC2A", 7, "CM12",kXMC2C,kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1091 gMC->Gsposp("CC2A", 8, "CM12",-kXMC2C,kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1092 gMC->Gsposp("CC2A", 9, "CM12",kXMC2C,-kYMC2Cp,kZMCp, 0, "ONLY", tpar, 3);
1093 gMC->Gsposp("CC2A", 10, "CM12",-kXMC2C,-kYMC2Cm,kZMCm, 0, "ONLY", tpar, 3);
1094
1095// chamber type D, E and F (same size)
1096
1097 tpar[0] = (kXMC1MAX/2.)*kZ12;
1098 tpar[1] = kYMC1MIN*kZ12;
1099
1100 const Float_t kXMC2D=kXMC1D*kZ12;
1101 const Float_t kYMC2Dp=kYMC1Dp*kZ12;
1102 const Float_t kYMC2Dm=kYMC1Dm*kZ12;
1103 gMC->Gsposp("CC2A", 11, "CM12",kXMC2D,kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1104 gMC->Gsposp("CC2A", 12, "CM12",-kXMC2D,kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1105 gMC->Gsposp("CC2A", 13, "CM12",kXMC2D,-kYMC2Dm,kZMCm, 0, "ONLY", tpar, 3);
1106 gMC->Gsposp("CC2A", 14, "CM12",-kXMC2D,-kYMC2Dp,kZMCp, 0, "ONLY", tpar, 3);
1107
1108 const Float_t kYMC2Ep=kYMC1Ep*kZ12;
1109 const Float_t kYMC2Em=kYMC1Em*kZ12;
1110 gMC->Gsposp("CC2A", 15, "CM12",kXMC2D,kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1111 gMC->Gsposp("CC2A", 16, "CM12",-kXMC2D,kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1112 gMC->Gsposp("CC2A", 17, "CM12",kXMC2D,-kYMC2Ep,kZMCp, 0, "ONLY", tpar, 3);
1113 gMC->Gsposp("CC2A", 18, "CM12",-kXMC2D,-kYMC2Em,kZMCm, 0, "ONLY", tpar, 3);
1114
1115
1116 const Float_t kYMC2Fp=kYMC1Fp*kZ12;
1117 const Float_t kYMC2Fm=kYMC1Fm*kZ12;
1118 gMC->Gsposp("CC2A", 19, "CM12",kXMC2D,kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1119 gMC->Gsposp("CC2A", 20, "CM12",-kXMC2D,kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1120 gMC->Gsposp("CC2A", 21, "CM12",kXMC2D,-kYMC2Fm,kZMCm, 0, "ONLY", tpar, 3);
1121 gMC->Gsposp("CC2A", 22, "CM12",-kXMC2D,-kYMC2Fp,kZMCp, 0, "ONLY", tpar, 3);
1122
1123// Positioning second plane of station 1 in ALICE
1124
1125 gMC->Gspos("CM12", 1, "ALIC", 0., 0., zpos2, 0, "ONLY");
1126
1127// End of geometry definition for the second plane of station 1
1128
1129
1130
1131// TRIGGER STATION 2 - TRIGGER STATION 2 - TRIGGER STATION 2
1132
1133 // 03/00
1134 // zpos3 and zpos4 are now the middle of the first and second
1135 // plane of station 2 :
1136 // zpos3=(17075+16995)/2=17035 mm, thick/2=40 mm
1137 // zpos4=(17225+17145)/2=17185 mm, thick/2=40 mm
1138 //
1139 // zpos3m=16999 mm , zpos3p=17071 mm (middles of gas gaps)
1140 // zpos4m=17149 mm , zpos4p=17221 mm (middles of gas gaps)
1141 // rem : the total thickness accounts for 1 mm of al on both
1142 // side of the RPCs (see zpos3 and zpos4), as previously
1143 iChamber1 = iChamber = (AliMUONChamber*) (*fChambers)[12];
1144 iChamber2 =(AliMUONChamber*) (*fChambers)[13];
1145 Float_t zpos3=iChamber1->Z();
1146 Float_t zpos4=iChamber2->Z();
1147
1148
1149// Mother volume definition
1150 tpar[0] = iChamber->RInner();
1151 tpar[1] = iChamber->ROuter();
1152 tpar[2] = 4.0;
1153
1154 gMC->Gsvolu("CM21", "TUBE", idAir, tpar, 3);
1155 gMC->Gsvolu("CM22", "TUBE", idAir, tpar, 3);
1156
1157// Definition of the flange between the beam shielding and the RPC
1158// ???? interface shielding
1159
1160 tpar[0]= kRMIN2;
1161 tpar[1]= kRMAX2;
1162 tpar[2]= 4.0;
1163
1164 gMC->Gsvolu("CF2A", "TUBE", idAlu1, tpar, 3); //Al
1165 gMC->Gspos("CF2A", 1, "CM21", 0., 0., 0., 0, "MANY");
1166 gMC->Gspos("CF2A", 2, "CM22", 0., 0., 0., 0, "MANY");
1167
1168
1169
1170// FIRST PLANE OF STATION 2 : proj ratio = zpos3/zpos1
1171
1172 const Float_t kZ13=zpos3/zpos1;
1173
1174// Definition of prototype for chambers in the first plane of station 2
1175 tpar[0]= 0.;
1176 tpar[1]= 0.;
1177 tpar[2]= 0.;
1178
1179 gMC->Gsvolu("CC3A", "BOX ", idAlu1, tpar, 0); //Al
1180 gMC->Gsvolu("CB3A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1181 gMC->Gsvolu("CG3A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1182
1183
1184// chamber type A
1185 tpar[0] = -1.;
1186 tpar[1] = -1.;
1187
1188 const Float_t kXMC3A=kXMC1A*kZ13;
1189 const Float_t kYMC3Am=0.;
1190 const Float_t kYMC3Ap=0.;
1191
1192 tpar[2] = 0.1;
1193 gMC->Gsposp("CG3A", 1, "CB3A", 0., 0., 0., 0, "ONLY",tpar,3);
1194 tpar[2] = 0.3;
1195 gMC->Gsposp("CB3A", 1, "CC3A", 0., 0., 0., 0, "ONLY",tpar,3);
1196
1197 tpar[2] = 0.4;
1198 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ13;
1199 tpar[1] = kYMC1MIN*kZ13;
1200 gMC->Gsposp("CC3A", 1, "CM21",kXMC3A,kYMC3Am,kZMCm, 0, "ONLY", tpar, 3);
1201 gMC->Gsposp("CC3A", 2, "CM21",-kXMC3A,kYMC3Ap,kZMCp, 0, "ONLY", tpar, 3);
1202
1203
1204// chamber type B
1205 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ13;
1206 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ13;
1207
1208 const Float_t kXMC3B=kXMC1B*kZ13;
1209 const Float_t kYMC3Bp=kYMC1Bp*kZ13;
1210 const Float_t kYMC3Bm=kYMC1Bm*kZ13;
1211 gMC->Gsposp("CC3A", 3, "CM21",kXMC3B,kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1212 gMC->Gsposp("CC3A", 4, "CM21",-kXMC3B,kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1213 gMC->Gsposp("CC3A", 5, "CM21",kXMC3B,-kYMC3Bp,kZMCp, 0, "ONLY", tpar, 3);
1214 gMC->Gsposp("CC3A", 6, "CM21",-kXMC3B,-kYMC3Bm,kZMCm, 0, "ONLY", tpar, 3);
1215
1216
1217// chamber type C (end of type B !!)
1218 tpar[0] = (kXMC1MAX/2)*kZ13;
1219 tpar[1] = (kYMC1MAX/2)*kZ13;
1220
1221 const Float_t kXMC3C=kXMC1C*kZ13;
1222 const Float_t kYMC3Cp=kYMC1Cp*kZ13;
1223 const Float_t kYMC3Cm=kYMC1Cm*kZ13;
1224 gMC->Gsposp("CC3A", 7, "CM21",kXMC3C,kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1225 gMC->Gsposp("CC3A", 8, "CM21",-kXMC3C,kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1226 gMC->Gsposp("CC3A", 9, "CM21",kXMC3C,-kYMC3Cp,kZMCp, 0, "ONLY", tpar, 3);
1227 gMC->Gsposp("CC3A", 10, "CM21",-kXMC3C,-kYMC3Cm,kZMCm, 0, "ONLY", tpar, 3);
1228
1229
1230// chamber type D, E and F (same size)
1231
1232 tpar[0] = (kXMC1MAX/2.)*kZ13;
1233 tpar[1] = kYMC1MIN*kZ13;
1234
1235 const Float_t kXMC3D=kXMC1D*kZ13;
1236 const Float_t kYMC3Dp=kYMC1Dp*kZ13;
1237 const Float_t kYMC3Dm=kYMC1Dm*kZ13;
1238 gMC->Gsposp("CC3A", 11, "CM21",kXMC3D,kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1239 gMC->Gsposp("CC3A", 12, "CM21",-kXMC3D,kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1240 gMC->Gsposp("CC3A", 13, "CM21",kXMC3D,-kYMC3Dm,kZMCm, 0, "ONLY", tpar, 3);
1241 gMC->Gsposp("CC3A", 14, "CM21",-kXMC3D,-kYMC3Dp,kZMCp, 0, "ONLY", tpar, 3);
1242
1243 const Float_t kYMC3Ep=kYMC1Ep*kZ13;
1244 const Float_t kYMC3Em=kYMC1Em*kZ13;
1245 gMC->Gsposp("CC3A", 15, "CM21",kXMC3D,kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1246 gMC->Gsposp("CC3A", 16, "CM21",-kXMC3D,kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1247 gMC->Gsposp("CC3A", 17, "CM21",kXMC3D,-kYMC3Ep,kZMCp, 0, "ONLY", tpar, 3);
1248 gMC->Gsposp("CC3A", 18, "CM21",-kXMC3D,-kYMC3Em,kZMCm, 0, "ONLY", tpar, 3);
1249
1250 const Float_t kYMC3Fp=kYMC1Fp*kZ13;
1251 const Float_t kYMC3Fm=kYMC1Fm*kZ13;
1252 gMC->Gsposp("CC3A", 19, "CM21",kXMC3D,kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1253 gMC->Gsposp("CC3A", 20, "CM21",-kXMC3D,kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1254 gMC->Gsposp("CC3A", 21, "CM21",kXMC3D,-kYMC3Fm,kZMCm, 0, "ONLY", tpar, 3);
1255 gMC->Gsposp("CC3A", 22, "CM21",-kXMC3D,-kYMC3Fp,kZMCp, 0, "ONLY", tpar, 3);
1256
1257
1258// Positioning first plane of station 2 in ALICE
1259
1260 gMC->Gspos("CM21", 1, "ALIC", 0., 0., zpos3, 0, "ONLY");
1261
1262// End of geometry definition for the first plane of station 2
1263
1264
1265
1266
1267// SECOND PLANE OF STATION 2 : proj ratio = zpos4/zpos1
1268
1269 const Float_t kZ14=zpos4/zpos1;
1270
1271// Definition of prototype for chambers in the second plane of station 2
1272
1273 tpar[0]= 0.;
1274 tpar[1]= 0.;
1275 tpar[2]= 0.;
1276
1277 gMC->Gsvolu("CC4A", "BOX ", idAlu1, tpar, 0); //Al
1278 gMC->Gsvolu("CB4A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1279 gMC->Gsvolu("CG4A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
1280
1281// chamber type A
1282 tpar[0] = -1.;
1283 tpar[1] = -1.;
1284
1285 const Float_t kXMC4A=kXMC1A*kZ14;
1286 const Float_t kYMC4Am=0.;
1287 const Float_t kYMC4Ap=0.;
1288
1289 tpar[2] = 0.1;
1290 gMC->Gsposp("CG4A", 1, "CB4A", 0., 0., 0., 0, "ONLY",tpar,3);
1291 tpar[2] = 0.3;
1292 gMC->Gsposp("CB4A", 1, "CC4A", 0., 0., 0., 0, "ONLY",tpar,3);
1293
1294 tpar[2] = 0.4;
1295 tpar[0] = ((kXMC1MAX-kXMC1MED)/2.)*kZ14;
1296 tpar[1] = kYMC1MIN*kZ14;
1297 gMC->Gsposp("CC4A", 1, "CM22",kXMC4A,kYMC4Am,kZMCm, 0, "ONLY", tpar, 3);
1298 gMC->Gsposp("CC4A", 2, "CM22",-kXMC4A,kYMC4Ap,kZMCp, 0, "ONLY", tpar, 3);
1299
1300
1301// chamber type B
1302 tpar[0] = ((kXMC1MAX-kXMC1MIN)/2.)*kZ14;
1303 tpar[1] = ((kYMC1MAX-kYMC1MIN)/2.)*kZ14;
1304
1305 const Float_t kXMC4B=kXMC1B*kZ14;
1306 const Float_t kYMC4Bp=kYMC1Bp*kZ14;
1307 const Float_t kYMC4Bm=kYMC1Bm*kZ14;
1308 gMC->Gsposp("CC4A", 3, "CM22",kXMC4B,kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1309 gMC->Gsposp("CC4A", 4, "CM22",-kXMC4B,kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1310 gMC->Gsposp("CC4A", 5, "CM22",kXMC4B,-kYMC4Bp,kZMCp, 0, "ONLY", tpar, 3);
1311 gMC->Gsposp("CC4A", 6, "CM22",-kXMC4B,-kYMC4Bm,kZMCm, 0, "ONLY", tpar, 3);
1312
1313
1314// chamber type C (end of type B !!)
1315 tpar[0] =(kXMC1MAX/2)*kZ14;
1316 tpar[1] = (kYMC1MAX/2)*kZ14;
1317
1318 const Float_t kXMC4C=kXMC1C*kZ14;
1319 const Float_t kYMC4Cp=kYMC1Cp*kZ14;
1320 const Float_t kYMC4Cm=kYMC1Cm*kZ14;
1321 gMC->Gsposp("CC4A", 7, "CM22",kXMC4C,kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1322 gMC->Gsposp("CC4A", 8, "CM22",-kXMC4C,kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1323 gMC->Gsposp("CC4A", 9, "CM22",kXMC4C,-kYMC4Cp,kZMCp, 0, "ONLY", tpar, 3);
1324 gMC->Gsposp("CC4A", 10, "CM22",-kXMC4C,-kYMC4Cm,kZMCm, 0, "ONLY", tpar, 3);
1325
1326
1327// chamber type D, E and F (same size)
1328 tpar[0] = (kXMC1MAX/2.)*kZ14;
1329 tpar[1] = kYMC1MIN*kZ14;
1330
1331 const Float_t kXMC4D=kXMC1D*kZ14;
1332 const Float_t kYMC4Dp=kYMC1Dp*kZ14;
1333 const Float_t kYMC4Dm=kYMC1Dm*kZ14;
1334 gMC->Gsposp("CC4A", 11, "CM22",kXMC4D,kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1335 gMC->Gsposp("CC4A", 12, "CM22",-kXMC4D,kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1336 gMC->Gsposp("CC4A", 13, "CM22",kXMC4D,-kYMC4Dm,kZMCm, 0, "ONLY", tpar, 3);
1337 gMC->Gsposp("CC4A", 14, "CM22",-kXMC4D,-kYMC4Dp,kZMCp, 0, "ONLY", tpar, 3);
1338
1339 const Float_t kYMC4Ep=kYMC1Ep*kZ14;
1340 const Float_t kYMC4Em=kYMC1Em*kZ14;
1341 gMC->Gsposp("CC4A", 15, "CM22",kXMC4D,kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1342 gMC->Gsposp("CC4A", 16, "CM22",-kXMC4D,kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1343 gMC->Gsposp("CC4A", 17, "CM22",kXMC4D,-kYMC4Ep,kZMCp, 0, "ONLY", tpar, 3);
1344 gMC->Gsposp("CC4A", 18, "CM22",-kXMC4D,-kYMC4Em,kZMCm, 0, "ONLY", tpar, 3);
1345
1346 const Float_t kYMC4Fp=kYMC1Fp*kZ14;
1347 const Float_t kYMC4Fm=kYMC1Fm*kZ14;
1348 gMC->Gsposp("CC4A", 19, "CM22",kXMC4D,kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1349 gMC->Gsposp("CC4A", 20, "CM22",-kXMC4D,kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1350 gMC->Gsposp("CC4A", 21, "CM22",kXMC4D,-kYMC4Fm,kZMCm, 0, "ONLY", tpar, 3);
1351 gMC->Gsposp("CC4A", 22, "CM22",-kXMC4D,-kYMC4Fp,kZMCp, 0, "ONLY", tpar, 3);
1352
1353
1354// Positioning second plane of station 2 in ALICE
1355
1356 gMC->Gspos("CM22", 1, "ALIC", 0., 0., zpos4, 0, "ONLY");
1357
1358// End of geometry definition for the second plane of station 2
1359
1360// End of trigger geometry definition
1361
1362}
1363
1364
1365
1366//___________________________________________
1367void AliMUONv1::CreateMaterials()
1368{
1369 // *** DEFINITION OF AVAILABLE MUON MATERIALS ***
1370 //
1371 // Ar-CO2 gas
1372 Float_t ag1[3] = { 39.95,12.01,16. };
1373 Float_t zg1[3] = { 18.,6.,8. };
1374 Float_t wg1[3] = { .8,.0667,.13333 };
1375 Float_t dg1 = .001821;
1376 //
1377 // Ar-buthane-freon gas -- trigger chambers
1378 Float_t atr1[4] = { 39.95,12.01,1.01,19. };
1379 Float_t ztr1[4] = { 18.,6.,1.,9. };
1380 Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
1381 Float_t dtr1 = .002599;
1382 //
1383 // Ar-CO2 gas
1384 Float_t agas[3] = { 39.95,12.01,16. };
1385 Float_t zgas[3] = { 18.,6.,8. };
1386 Float_t wgas[3] = { .74,.086684,.173316 };
1387 Float_t dgas = .0018327;
1388 //
1389 // Ar-Isobutane gas (80%+20%) -- tracking
1390 Float_t ag[3] = { 39.95,12.01,1.01 };
1391 Float_t zg[3] = { 18.,6.,1. };
1392 Float_t wg[3] = { .8,.057,.143 };
1393 Float_t dg = .0019596;
1394 //
1395 // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
1396 Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
1397 Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
1398 Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
1399 Float_t dtrig = .0031463;
1400 //
1401 // bakelite
1402
1403 Float_t abak[3] = {12.01 , 1.01 , 16.};
1404 Float_t zbak[3] = {6. , 1. , 8.};
1405 Float_t wbak[3] = {6. , 6. , 1.};
1406 Float_t dbak = 1.4;
1407
1408 Float_t epsil, stmin, deemax, tmaxfd, stemax;
1409
1410 Int_t iSXFLD = gAlice->Field()->Integ();
1411 Float_t sXMGMX = gAlice->Field()->Max();
1412 //
1413 // --- Define the various materials for GEANT ---
1414 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
1415 AliMaterial(10, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
1416 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
1417 AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
1418 AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
1419 AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
1420 AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
1421 AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
1422 AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
1423
1424 epsil = .001; // Tracking precision,
1425 stemax = -1.; // Maximum displacement for multiple scat
1426 tmaxfd = -20.; // Maximum angle due to field deflection
1427 deemax = -.3; // Maximum fractional energy loss, DLS
1428 stmin = -.8;
1429 //
1430 // Air
1431 AliMedium(1, "AIR_CH_US ", 15, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
1432 //
1433 // Aluminum
1434
1435 AliMedium(4, "ALU_CH_US ", 9, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1436 fMaxDestepAlu, epsil, stmin);
1437 AliMedium(5, "ALU_CH_US ", 10, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1438 fMaxDestepAlu, epsil, stmin);
1439 //
1440 // Ar-isoC4H10 gas
1441
1442 AliMedium(6, "AR_CH_US ", 20, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
1443 fMaxDestepGas, epsil, stmin);
1444//
1445 // Ar-Isobuthane-Forane-SF6 gas
1446
1447 AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, iSXFLD, sXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
1448
1449 AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, iSXFLD, sXMGMX, tmaxfd, fMaxStepAlu,
1450 fMaxDestepAlu, epsil, stmin);
1451
1452 AliMedium(9, "ARG_CO2 ", 22, 1, iSXFLD, sXMGMX, tmaxfd, fMaxStepGas,
1453 fMaxDestepAlu, epsil, stmin);
1454}
1455
1456//___________________________________________
1457
1458void AliMUONv1::Init()
1459{
1460 //
1461 // Initialize Tracking Chambers
1462 //
1463
1464 printf("\n\n\n Start Init for version 1 - CPC chamber type\n\n\n");
e17592e9 1465 Int_t i;
f665c1ea 1466 for (i=0; i<AliMUONConstants::NCh(); i++) {
a9e2aefa 1467 ( (AliMUONChamber*) (*fChambers)[i])->Init();
1468 }
1469
1470 //
1471 // Set the chamber (sensitive region) GEANT identifier
1472 AliMC* gMC = AliMC::GetMC();
1473 ((AliMUONChamber*)(*fChambers)[0])->SetGid(gMC->VolId("C01G"));
1474 ((AliMUONChamber*)(*fChambers)[1])->SetGid(gMC->VolId("C02G"));
1475 ((AliMUONChamber*)(*fChambers)[2])->SetGid(gMC->VolId("C03G"));
1476 ((AliMUONChamber*)(*fChambers)[3])->SetGid(gMC->VolId("C04G"));
1477 ((AliMUONChamber*)(*fChambers)[4])->SetGid(gMC->VolId("C05G"));
1478 ((AliMUONChamber*)(*fChambers)[5])->SetGid(gMC->VolId("C06G"));
1479 ((AliMUONChamber*)(*fChambers)[6])->SetGid(gMC->VolId("C07G"));
1480 ((AliMUONChamber*)(*fChambers)[7])->SetGid(gMC->VolId("C08G"));
1481 ((AliMUONChamber*)(*fChambers)[8])->SetGid(gMC->VolId("C09G"));
1482 ((AliMUONChamber*)(*fChambers)[9])->SetGid(gMC->VolId("C10G"));
1483 ((AliMUONChamber*)(*fChambers)[10])->SetGid(gMC->VolId("CG1A"));
1484 ((AliMUONChamber*)(*fChambers)[11])->SetGid(gMC->VolId("CG2A"));
1485 ((AliMUONChamber*)(*fChambers)[12])->SetGid(gMC->VolId("CG3A"));
1486 ((AliMUONChamber*)(*fChambers)[13])->SetGid(gMC->VolId("CG4A"));
1487
1488 printf("\n\n\n Finished Init for version 0 - CPC chamber type\n\n\n");
1489
1490 //cp
1491 printf("\n\n\n Start Init for Trigger Circuits\n\n\n");
f665c1ea 1492 for (i=0; i<AliMUONConstants::NTriggerCircuit(); i++) {
a9e2aefa 1493 ( (AliMUONTriggerCircuit*) (*fTriggerCircuits)[i])->Init(i);
1494 }
1495 printf(" Finished Init for Trigger Circuits\n\n\n");
1496 //cp
1497
1498}
1499
1500//___________________________________________
1501void AliMUONv1::StepManager()
1502{
1503 Int_t copy, id;
1504 static Int_t idvol;
1505 static Int_t vol[2];
1506 Int_t ipart;
1507 TLorentzVector pos;
1508 TLorentzVector mom;
1509 Float_t theta,phi;
1510 Float_t destep, step;
1511
1512 static Float_t eloss, eloss2, xhit, yhit, tof, tlength;
1513 const Float_t kBig=1.e10;
a9e2aefa 1514 // modifs perso
1515 static Float_t hits[15];
1516
1517 TClonesArray &lhits = *fHits;
1518
1519 //
1520 // Set maximum step size for gas
1521 // numed=gMC->GetMedium();
1522 //
1523 // Only charged tracks
1524 if( !(gMC->TrackCharge()) ) return;
1525 //
1526 // Only gas gap inside chamber
1527 // Tag chambers and record hits when track enters
1528 idvol=-1;
1529 id=gMC->CurrentVolID(copy);
1530
f665c1ea 1531 for (Int_t i=1; i<=AliMUONConstants::NCh(); i++) {
a9e2aefa 1532 if(id==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()){
1533 vol[0]=i;
1534 idvol=i-1;
1535 }
1536 }
1537 if (idvol == -1) return;
1538 //
1539 // Get current particle id (ipart), track position (pos) and momentum (mom)
1540 gMC->TrackPosition(pos);
1541 gMC->TrackMomentum(mom);
1542
1543 ipart = gMC->TrackPid();
1544 //Int_t ipart1 = gMC->IdFromPDG(ipart);
1545 //printf("ich, ipart %d %d \n",vol[0],ipart1);
1546
1547 //
1548 // momentum loss and steplength in last step
1549 destep = gMC->Edep();
1550 step = gMC->TrackStep();
1551
1552 //
1553 // record hits when track enters ...
1554 if( gMC->IsTrackEntering()) {
1555 gMC->SetMaxStep(fMaxStepGas);
1556 Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1557 Double_t rt = TMath::Sqrt(tc);
1558 Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
1559 Double_t tx=mom[0]/pmom;
1560 Double_t ty=mom[1]/pmom;
1561 Double_t tz=mom[2]/pmom;
1562 Double_t s=((AliMUONChamber*)(*fChambers)[idvol])
1563 ->ResponseModel()
1564 ->Pitch()/tz;
1565 theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
1566 phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
1567 hits[0] = Float_t(ipart); // Geant3 particle type
1568 hits[1] = pos[0]+s*tx; // X-position for hit
1569 hits[2] = pos[1]+s*ty; // Y-position for hit
1570 hits[3] = pos[2]+s*tz; // Z-position for hit
1571 hits[4] = theta; // theta angle of incidence
1572 hits[5] = phi; // phi angle of incidence
1573 hits[8] = (Float_t) fNPadHits; // first padhit
1574 hits[9] = -1; // last pad hit
1575
1576 // modifs perso
1577 hits[10] = mom[3]; // hit momentum P
1578 hits[11] = mom[0]; // Px/P
1579 hits[12] = mom[1]; // Py/P
1580 hits[13] = mom[2]; // Pz/P
1581 // fin modifs perso
1582 tof=gMC->TrackTime();
1583 hits[14] = tof; // Time of flight
1584 // phi angle of incidence
1585 tlength = 0;
1586 eloss = 0;
1587 eloss2 = 0;
1588 xhit = pos[0];
1589 yhit = pos[1];
1590 // Only if not trigger chamber
1591 if(idvol<10) {
1592 //
1593 // Initialize hit position (cursor) in the segmentation model
1594 ((AliMUONChamber*) (*fChambers)[idvol])
1595 ->SigGenInit(pos[0], pos[1], pos[2]);
1596 } else {
1597 //geant3->Gpcxyz();
1598 //printf("In the Trigger Chamber #%d\n",idvol-9);
1599 }
1600 }
1601 eloss2+=destep;
1602
1603 //
1604 // Calculate the charge induced on a pad (disintegration) in case
1605 //
1606 // Mip left chamber ...
1607 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
1608 gMC->SetMaxStep(kBig);
1609 eloss += destep;
1610 tlength += step;
1611
1612 Float_t x0,y0;
1613
1614 if(idvol<10) {
1615// tracking chambers
1616 x0 = 0.5*(xhit+pos[0]);
1617 y0 = 0.5*(yhit+pos[1]);
1618 } else {
1619// trigger chambers
1620 x0=xhit;
1621 y0=yhit;
1622 }
1623
1624
1625 if (eloss >0) MakePadHits(x0,y0,eloss,tof,idvol);
1626
1627
1628 hits[6]=tlength;
1629 hits[7]=eloss2;
1630 if (fNPadHits > (Int_t)hits[8]) {
1631 hits[8]= hits[8]+1;
1632 hits[9]= (Float_t) fNPadHits;
1633 }
1634
1635 new(lhits[fNhits++])
1636 AliMUONHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1637 eloss = 0;
1638 //
1639 // Check additional signal generation conditions
1640 // defined by the segmentation
1641 // model (boundary crossing conditions)
1642 } else if
1643 (((AliMUONChamber*) (*fChambers)[idvol])
1644 ->SigGenCond(pos[0], pos[1], pos[2]))
1645 {
1646 ((AliMUONChamber*) (*fChambers)[idvol])
1647 ->SigGenInit(pos[0], pos[1], pos[2]);
1648// printf("\n-> MakePadHits, reason special %d",ipart);
1649 if (eloss > 0 && idvol < 10)
1650 MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),eloss,tof,idvol);
1651 xhit = pos[0];
1652 yhit = pos[1];
1653 eloss = destep;
1654 tlength += step ;
1655 //
1656 // nothing special happened, add up energy loss
1657 } else {
1658 eloss += destep;
1659 tlength += step ;
1660 }
1661}
1662
1663