git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
removed iostream
[u/mrichter/AliRoot.git] / STRUCT / AliABSOv0.cxx
CommitLineData
43d014f0 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$Log$
ba47c054 18Revision 1.13 2002/10/14 14:57:34 hristov
19Merging the VirtualMC branch to the main development branch (HEAD)
20
b9d0a01d 21Revision 1.11.6.1 2002/07/24 10:08:27 alibrary
22Updating VirtualMC
23
24Revision 1.12 2002/07/15 07:56:41 morsch
25Steel rear and Al ring.
26
8f657ed5 27Revision 1.11 2001/11/29 14:16:51 morsch
28- truncated inner W-cone
29- new support structure
30
513b07d0 31Revision 1.10 2001/10/25 08:50:57 morsch
32New beamshield geometry with increased tolerances and insulation thickness.
33
77976fd8 34Revision 1.9 2001/05/16 14:57:22 alibrary
35New files for folders and Stack
36
9e1a0ddb 37Revision 1.8 2001/01/12 13:16:09 morsch
38Store absorber composition information in fMLayers and fZLayers
39Rear 25 cm Fe + 35 cm Cu
40
381ec9af 41Revision 1.7 2000/10/02 21:28:15 fca
42Removal of useless dependecies via forward declarations
43
94de3818 44Revision 1.6 2000/06/15 09:40:31 morsch
45Obsolete typedef keyword removed
46
56f14ac2 47Revision 1.5 2000/06/12 19:39:01 morsch
48New structure of beam pipe and heating jacket.
49
b2ef5f06 50Revision 1.4 2000/04/03 08:13:40 fca
51Introduce extra scope for non ANSI compliant C++ compilers
52
74c0d076 53Revision 1.3 2000/01/18 17:49:56 morsch
54Serious overlap of ABSM with shield corrected
55Small error in ARPB parameters corrected
56
85d164ab 57Revision 1.2 2000/01/13 11:23:59 morsch
58Last layer of Pb outer angle corrected
59
54fba644 60Revision 1.1 2000/01/12 15:39:30 morsch
b2ef5f06 61Standard version of ABSO
54fba644 62
43d014f0 63*/
64
65///////////////////////////////////////////////////////////////////////////////
66// //
67// Muon ABSOrber //
68// This class contains the description of the muon absorber geometry //
69// //
70//Begin_Html
71/*
72<img src="picts/AliABSOClass.gif">
73</pre>
74<br clear=left>
75<font size=+2 color=red>
76<p>The responsible person for this module is
77<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
78</font>
79<pre>
80*/
81//End_Html
82// //
83// //
84///////////////////////////////////////////////////////////////////////////////
85
86#include "AliABSOv0.h"
87#include "AliRun.h"
94de3818 88#include "AliMC.h"
43d014f0 89#include "AliConst.h"
b2ef5f06 90
43d014f0 91ClassImp(AliABSOv0)
92
93//_____________________________________________________________________________
94AliABSOv0::AliABSOv0()
95{
96 //
97 // Default constructor
98 //
99}
100
101//_____________________________________________________________________________
102AliABSOv0::AliABSOv0(const char *name, const char *title)
103 : AliABSO(name,title)
104{
105 //
106 // Standard constructor
107 //
108 SetMarkerColor(7);
109 SetMarkerStyle(2);
110 SetMarkerSize(0.4);
111}
112
113//_____________________________________________________________________________
114void AliABSOv0::CreateGeometry()
115{
b2ef5f06 116 //
117 // Creation of the geometry of the muon absorber
118 //
119 //Begin_Html
120 /*
121 <img src="picts/AliABSOv0Tree.gif">
122 */
123 //End_Html
124 //Begin_Html
125 /*
126 <img src="picts/AliABSOv0.gif">
127 */
128 //End_Html
129
130 //
131 //
56f14ac2 132
133 enum {kC=1605, kAl=1608, kFe=1609, kCu=1610, kW=1611, kPb=1612,
77976fd8 134 kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616,
135 kPolyCH2=1617, kSteel=1609, kInsulation=1613, kPolyCc=1619};
b2ef5f06 136
137 Int_t *idtmed = fIdtmed->GetArray()-1599;
43d014f0 138
b2ef5f06 139 Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3];
140 Float_t dz;
513b07d0 141 Int_t idrotm[1699];
b2ef5f06 142#include "ABSOSHILConst.h"
143#include "ABSOConst.h"
381ec9af 144//
145// Structure of Tracking Region
146//
147 Float_t dzFe = 25.;
148
149// 3 < theta < 9
150 fNLayers[0] = 5;
151 fMLayers[0][0] = kAir; fZLayers[0][0] = zAbsStart;
152 fMLayers[0][1] = kC; fZLayers[0][1] = zAbsCc;
153 fMLayers[0][2] = kConcrete; fZLayers[0][2] = zRear-dRear-dzFe;
77976fd8 154 fMLayers[0][3] = kSteel; fZLayers[0][3] = zRear-dRear;
8f657ed5 155 fMLayers[0][4] = kSteel; fZLayers[0][4] = zRear;
381ec9af 156// 2 < theta < 3
157 fNLayers[1] = 5;
158 fMLayers[1][0] = fMLayers[0][0]; fZLayers[1][0] = fZLayers[0][0];
159 fMLayers[1][1] = fMLayers[0][1]; fZLayers[1][1] = fZLayers[0][1];
160 fMLayers[1][2] = fMLayers[0][2]; fZLayers[1][2] = fZLayers[0][2];
161 fMLayers[1][3] = fMLayers[0][3]; fZLayers[1][3] = fZLayers[0][3];
162 fMLayers[1][4] = kNiCuW; fZLayers[1][4] = fZLayers[0][4];
163//
164
b2ef5f06 165 Float_t dTube=0.1; // tube thickness
166 Float_t dInsu=0.5; // insulation thickness
167 Float_t dEnve=0.1; // protective envelope thickness
ba47c054 168 // Float_t dFree=0.5; // clearance thickness
b2ef5f06 169
170
171// Mother volume and outer shielding: Pb
43d014f0 172 par[0] = 0.;
173 par[1] = 360.;
174 par[2] = 7.;
b2ef5f06 175
176 par[3] = -(zRear-zAbsStart)/2.;
177 par[4] = rAbs;
178 par[5] = zAbsStart * TMath::Tan(theta1);
43d014f0 179
b2ef5f06 180 par[6] = par[3]+(zNose-zAbsStart);
181 par[7] = rAbs;
182 par[8] = zNose * TMath::Tan(theta1);
43d014f0 183
b2ef5f06 184 par[9] = par[3]+(zConeTPC-zAbsStart);
185 par[10] = rAbs;
43d014f0 186 par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(theta2);
187
b2ef5f06 188 par[12] = par[3]+(zOpen-zAbsStart);
189 par[13] = rAbs;
190 par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(accMax);
43d014f0 191
b2ef5f06 192 par[15] = par[3]+(zRear-dRear-zAbsStart);
193 par[16] = rAbs + (par[15] - par[12]) * TMath::Tan(thetaOpen1) ;
194 par[17] = par[14] + (par[15] - par[12]) * TMath::Tan(accMax);
43d014f0 195
b2ef5f06 196 par[18] = par[3]+(zRear-dRear-zAbsStart);
197 par[19] = (zRear-dRear) * TMath::Tan(accMin);
198 par[20] = par[14] + (par[18] - par[12]) * TMath::Tan(accMax);
43d014f0 199
200 par[21] = -par[3];
b2ef5f06 201 par[22] = zRear* TMath::Tan(accMin);
202 par[23] = par[20] + (par[21] - par[18]) * TMath::Tan(accMax);
203 gMC->Gsvolu("ABSS", "PCON", idtmed[kPb], par, 24);
74c0d076 204 { // Begin local scope for i
b2ef5f06 205 for (Int_t i=4; i<18; i+=3) par[i] = 0;
74c0d076 206 } // End local scope for i
b2ef5f06 207 gMC->Gsvolu("ABSM", "PCON", idtmed[kVacuum+40], par, 24);
43d014f0 208 gMC->Gspos("ABSS", 1, "ABSM", 0., 0., 0., 0, "ONLY");
209
210//
211// Steel envelope
212//
b2ef5f06 213 par[4] = par[5] -dSteel;
214 par[7] = par[8] -dSteel;
215 par[10]= par[11]-dSteel;
216 par[13]= par[14]-dSteel;
217 par[16]= par[17]-dSteel;
218 par[19]= par[20]-dSteel;
219 par[22]= par[23]-dSteel;
220 gMC->Gsvolu("ABST", "PCON", idtmed[kSteel], par, 24);
43d014f0 221 gMC->Gspos("ABST", 1, "ABSS", 0., 0., 0., 0, "ONLY");
222//
223// Polyethylene shield
224//
b2ef5f06 225 cpar[0] = (zRear - zConeTPC) / 2.;
226 cpar[1] = zConeTPC * TMath::Tan(accMax);
227 cpar[2] = cpar[1] + dPoly;
228 cpar[3] = zRear * TMath::Tan(accMax);
229 cpar[4] = cpar[3] + dPoly;
230 gMC->Gsvolu("APOL", "CONE", idtmed[kPolyCH2+40], cpar, 5);
231 dz = (zRear-zAbsStart)/2.-cpar[0];
43d014f0 232 gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY");
233
234//
235// Tungsten nose to protect TPC
236//
b2ef5f06 237 cpar[0] = (zNose - zAbsStart) / 2.;
238 cpar[1] = zAbsStart * TMath::Tan(accMax);
239 cpar[2] = zAbsStart * TMath::Tan(theta1)-dSteel;
240 cpar[3] = zNose * TMath::Tan(accMax);
241 cpar[4] = zNose * TMath::Tan(theta1)-dSteel;
242 gMC->Gsvolu("ANOS", "CONE", idtmed[kW], cpar, 5);
8f657ed5 243 //
b2ef5f06 244 dz = -(zRear-zAbsStart)/2.+cpar[0];
43d014f0 245 gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY");
8f657ed5 246 //
247 // Tungsten inner shield
248 //
513b07d0 249 Float_t zW = zTwoDeg+.1;
b2ef5f06 250 Float_t dZ = zW+(zRear-dRear-zW)/2.;
43d014f0 251 //
b2ef5f06 252 pcpar[0] = 0.;
253 pcpar[1] = 360.;
254 pcpar[2] = 3.;
255 pcpar[3] = zW-dZ;
256 pcpar[4] = rAbs;
257 pcpar[5] = zW * TMath::Tan(accMin);
258 pcpar[6] = zOpen-dZ;
259 pcpar[7] = rAbs;
260 pcpar[8] = zOpen * TMath::Tan(accMin);
261 pcpar[9] = zRear-dRear-dZ;
262 pcpar[10] = rAbs+(zRear-dRear-zOpen) * TMath::Tan(thetaOpen1);
263 pcpar[11] = (zRear-dRear) * TMath::Tan(accMin);
264
265 gMC->Gsvolu("AWIN", "PCON", idtmed[kNiCuW+40], pcpar, 12);
b2ef5f06 266 dz=(zW+zRear-dRear)/2-(zAbsStart+zRear)/2.;
43d014f0 267 gMC->Gspos("AWIN", 1, "ABSS", 0., 0., dz, 0, "ONLY");
8f657ed5 268//
269// First part replaced by Carbon
270//
513b07d0 271 cpar[0] = (200.-zW)/2.;
272 cpar[1] = rAbs;
273 cpar[2] = pcpar[5];
274 cpar[3] = rAbs;
275 cpar[4] = 200. * TMath::Tan(accMin);
276 gMC->Gsvolu("ACNO", "CONE", idtmed[kC], cpar, 5);
277 dz = zW-dZ+cpar[0];
513b07d0 278 gMC->Gspos("ACNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
8f657ed5 279
8f657ed5 280/*
ba47c054 281 Float_t zWW = 383.5;
8f657ed5 282 cpar[0] = (zRear-dRear-zWW)/2.;
283 cpar[1] = rAbs + (zWW-zOpen) * TMath::Tan(thetaOpen1);
284 cpar[2] = zWW * TMath::Tan(accMin);
285 cpar[3] = pcpar[10];
286 cpar[4] = pcpar[11];
287 gMC->Gsvolu("AWNO", "CONE", idtmed[kCu+40], cpar, 5);
288 dz = zWW-dZ+cpar[0];
289
290 gMC->Gspos("AWNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
291*/
292 //
43d014f0 293 // Inner tracking region
294 //
381ec9af 295 // mother volume: Cu
43d014f0 296 //
8f657ed5 297 //
43d014f0 298 pcpar[0] = 0.;
299 pcpar[1] = 360.;
300 pcpar[2] = 3.;
b2ef5f06 301 pcpar[3] = -(zRear-zAbsStart)/2.;
302 pcpar[4] = rAbs;
303 pcpar[5] = zAbsStart * TMath::Tan(accMax);
304 pcpar[6] = pcpar[3]+(zTwoDeg-zAbsStart);
305 pcpar[7] = rAbs;
306 pcpar[8] = zTwoDeg * TMath::Tan(accMax);
85d164ab 307 pcpar[9] = -pcpar[3];
b2ef5f06 308 pcpar[10] = zRear * TMath::Tan(accMin);
309 pcpar[11] = zRear * TMath::Tan(accMax);
381ec9af 310 gMC->Gsvolu("AITR", "PCON", idtmed[fMLayers[0][4]], pcpar, 12);
43d014f0 311 //
312 // special Pb medium for last 5 cm of Pb
b2ef5f06 313 Float_t zr=zRear-2.-0.001;
314 cpar[0] = 1.0;
315 cpar[1] = zr * TMath::Tan(thetaR);
316 cpar[2] = zr * TMath::Tan(accMax);
317 cpar[3] = cpar[1] + TMath::Tan(thetaR) * 2;
318 cpar[4] = cpar[2] + TMath::Tan(accMax) * 2;
381ec9af 319 gMC->Gsvolu("ARPB", "CONE", idtmed[fMLayers[0][4]], cpar, 5);
b2ef5f06 320 dz=(zRear-zAbsStart)/2.-cpar[0]-0.001;
43d014f0 321 gMC->Gspos("ARPB", 1, "AITR", 0., 0., dz, 0, "ONLY");
43d014f0 322 //
323 // concrete cone: concrete
324 //
b2ef5f06 325 pcpar[9] = pcpar[3]+(zRear-dRear-zAbsStart);
326 pcpar[10] = (zRear-dRear) * TMath::Tan(accMin);
327 pcpar[11] = (zRear-dRear) * TMath::Tan(accMax);
381ec9af 328 gMC->Gsvolu("ACON", "PCON", idtmed[fMLayers[0][2]+40], pcpar, 12);
43d014f0 329 gMC->Gspos("ACON", 1, "AITR", 0., 0., 0., 0, "ONLY");
381ec9af 330//
331// Fe Cone
332//
333 zr = zRear-dRear-dzFe;
334 cpar[0] = dzFe/2.;
335 cpar[1] = zr * TMath::Tan(accMin);
336 cpar[2] = zr * TMath::Tan(accMax);
77976fd8 337 cpar[3] = cpar[1] + TMath::Tan(accMin) * dzFe;
381ec9af 338 cpar[4] = cpar[2] + TMath::Tan(accMax) * dzFe;
339 gMC->Gsvolu("ACFE", "CONE",idtmed[fMLayers[0][3]], cpar, 5);
340
341 dz = (zRear-zAbsStart)/2.-dRear-dzFe/2.;
342
343 gMC->Gspos("ACFE", 1, "ACON", 0., 0., dz, 0, "ONLY");
344
345
346 //
43d014f0 347 //
348 // carbon cone: carbon
349 //
b2ef5f06 350 pcpar[9] = pcpar[3]+(zAbsCc-zAbsStart);
351 pcpar[10] = zAbsCc * TMath::Tan(accMin);
352 pcpar[11] = zAbsCc * TMath::Tan(accMax);
381ec9af 353 gMC->Gsvolu("ACAR", "PCON", idtmed[fMLayers[0][1]+40], pcpar, 12);
43d014f0 354 gMC->Gspos("ACAR", 1, "ACON", 0., 0., 0., 0, "ONLY");
b2ef5f06 355 //
356 // carbon cone outer region
357 //
358 cpar[0] = 10.;
359 cpar[1] = rAbs;
360 cpar[2] = zAbsStart* TMath::Tan(accMax);
361 cpar[3] = rAbs;
362 cpar[4] = cpar[2]+2. * cpar[0] * TMath::Tan(accMax);
363
381ec9af 364 gMC->Gsvolu("ACAO", "CONE", idtmed[fMLayers[0][1]], cpar, 5);
b2ef5f06 365 dz=-(zRear-zAbsStart)/2.+cpar[0];
366 gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY");
43d014f0 367 //
368 // inner W shield
b2ef5f06 369 Float_t epsi=0.;
370 Float_t repsi=1.;
371
372 zr=zRear-(dRear-epsi);
373 cpar[0] = (dRear-epsi)/2.;
374 cpar[1] = zr * TMath::Tan(accMin);
375 cpar[2] = zr * TMath::Tan(thetaR*repsi);
376 cpar[3] = cpar[1] + TMath::Tan(accMin) * (dRear-epsi);
377 cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * (dRear-epsi);
381ec9af 378 gMC->Gsvolu("ARW0", "CONE", idtmed[fMLayers[1][4]+40], cpar, 5);
b2ef5f06 379 dz=(zRear-zAbsStart)/2.-cpar[0];
43d014f0 380 gMC->Gspos("ARW0", 1, "AITR", 0., 0., dz, 0, "ONLY");
381 //
382 // special W medium for last 5 cm of W
b2ef5f06 383 zr=zRear-5;
43d014f0 384 cpar[0] = 2.5;
b2ef5f06 385 cpar[1] = zr * TMath::Tan(accMin);
386 cpar[2] = zr * TMath::Tan(thetaR*repsi);
387 cpar[3] = cpar[1] + TMath::Tan(accMin) * 5.;
388 cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * 5.;
381ec9af 389 gMC->Gsvolu("ARW1", "CONE", idtmed[fMLayers[1][4]+20], cpar, 5);
b2ef5f06 390 dz=(dRear-epsi)/2.-cpar[0];
43d014f0 391 gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY");
392 //
381ec9af 393 // Cu
b2ef5f06 394 Float_t drMin=TMath::Tan(thetaR) * 5;
395 Float_t drMax=TMath::Tan(accMax) * 5;
381ec9af 396 gMC->Gsvolu("ARPE", "CONE", idtmed[fMLayers[0][4]], cpar, 0);
43d014f0 397 cpar[0]=2.5;
74c0d076 398 { // Begin local scope for i
b2ef5f06 399 for (Int_t i=0; i<3; i++) {
400 zr=zRear-dRear+5+i*10.;
401 cpar[1] = zr * TMath::Tan(thetaR);
402 cpar[2] = zr * TMath::Tan(accMax);
403 cpar[3] = cpar[1] + drMin;
404 cpar[4] = cpar[2] + drMax;
405 dz=(zRear-zAbsStart)/2.-cpar[0]-5.-(2-i)*10;
406 gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5);
407 }
74c0d076 408 } // End local scope for i
43d014f0 409 gMC->Gspos("AITR", 1, "ABSS", 0., 0., 0., 0, "ONLY");
b2ef5f06 410 dz = (zRear-zAbsStart)/2.+zAbsStart;
43d014f0 411 gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
412//
413//
414// vacuum system
415//
416// pipe and heating jackets
417//
418//
419// cylindrical piece
b2ef5f06 420 tpar0[2]=(zOpen-zAbsStart)/2;
421 tpar0[0]=rVacu;
77976fd8 422 tpar0[1]=rVacu+dTube+dInsu+dEnve;
b2ef5f06 423 gMC->Gsvolu("AV11", "TUBE", idtmed[kSteel+40], tpar0, 3);
43d014f0 424//
425// insulation
b2ef5f06 426
43d014f0 427 tpar[2]=tpar0[2];
b2ef5f06 428 tpar[0]=rVacu+dTube;
429 tpar[1]=tpar[0]+dInsu;
430 gMC->Gsvolu("AI11", "TUBE", idtmed[kInsulation+40], tpar, 3);
43d014f0 431 gMC->Gspos("AI11", 1, "AV11", 0., 0., 0., 0, "ONLY");
b2ef5f06 432//
433 dz=-(zRear-zAbsStart)/2.+tpar0[2];
43d014f0 434 gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY");
43d014f0 435//
436// conical piece
b2ef5f06 437
438 cpar0[0]=(zRear-dRear-zOpen)/2;
77976fd8 439 cpar0[1]= rVacu-0.05;
440 cpar0[2]= rVacu+dTube+dInsu+dEnve;
b2ef5f06 441 Float_t dR=2.*cpar0[0]*TMath::Tan(thetaOpen1);
442 cpar0[3]=cpar0[1]+dR;
443 cpar0[4]=cpar0[2]+dR;
444 gMC->Gsvolu("AV21", "CONE", idtmed[kSteel+40], cpar0, 5);
445 dTube+=0.05;
446
43d014f0 447//
448// insulation
449 cpar[0]=cpar0[0];
b2ef5f06 450 cpar[1]=cpar0[1]+dTube;
451 cpar[2]=cpar0[1]+dTube+dInsu;
452 cpar[3]=cpar0[3]+dTube;
453 cpar[4]=cpar0[3]+dTube+dInsu;
454 gMC->Gsvolu("AI21", "CONE", idtmed[kInsulation+40], cpar, 5);
43d014f0 455 gMC->Gspos("AI21", 1, "AV21", 0., 0., 0., 0, "ONLY");
43d014f0 456
b2ef5f06 457 dz=(zRear-zAbsStart)/2.-cpar0[0]-dRear;
43d014f0 458 gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY");
381ec9af 459//
460// Support cone
461
513b07d0 462 par[0] = 22.5;
463 par[1] = 360.0;
464 par[2] = 8.0;
465 par[3] = 4.0;
381ec9af 466
513b07d0 467 par[4] = zRear;
468 par[5] = 100.;
8f657ed5 469 par[6] = 180.;
381ec9af 470
8f657ed5 471 par[7] = zRear+20.;
513b07d0 472 par[8] = 100.;
8f657ed5 473 par[9] = 180.;
381ec9af 474
8f657ed5 475 par[10] = zRear+20.;
476 par[11] = 178.;
477 par[12] = 180.;
381ec9af 478
513b07d0 479 par[13] = 600.;
8f657ed5 480 par[14] = 178.;
481 par[15] = 180.;
381ec9af 482
483
8f657ed5 484 gMC->Gsvolu("ASSS", "PGON", idtmed[kAl], par, 16);
381ec9af 485 gMC->Gspos("ASSS", 1, "ALIC", 0., 0., 0., 0, "ONLY");
486
513b07d0 487 Float_t trap[11];
488 trap[ 0] = (530.-170.)/2.;
489 trap[ 2] = 0.;
490 trap[ 3] = 2.;
491 trap[ 4] = (600.-(zRear+2.))/2.;;
492 trap[ 5] = trap[4];
493 trap[ 6] = 0.;
494 trap[ 7] = 2.;
495 trap[ 8] = 5.;
496 trap[ 9] = 5.;
497 trap[10] = 0.;
498 trap[ 1] = -TMath::ATan((trap[4]-trap[8])/2./trap[0])*180./TMath::Pi();
499 AliMatrix(idrotm[1600], 180., 0., 90., 0., 90., 90.);
500 AliMatrix(idrotm[1601], 180., 0., 90., 0., 90., 270.);
501 gMC->Gsvolu("ASST", "TRAP", idtmed[kSteel], trap, 11);
502 dz = (600.+zRear+2.)/2.+(trap[4]-trap[8])/2.;
ba47c054 503 // Float_t dy = 170.+trap[0];
513b07d0 504
8f657ed5 505// gMC->Gspos("ASST", 1, "ALIC", 0., dy, dz, idrotm[1600], "ONLY");
506// gMC->Gspos("ASST", 2, "ALIC", 0., -dy, dz, idrotm[1601], "ONLY");
43d014f0 507}
508
509//_____________________________________________________________________________
510
511void AliABSOv0::Init()
512{
513 //
514 // Initialisation of the muon absorber after it has been built
515 Int_t i;
516 //
9e1a0ddb 517 if(fDebug) {
518 printf("\n%s: ",ClassName());
519 for(i=0;i<35;i++) printf("*");
520 printf(" ABSOv0_INIT ");
521 for(i=0;i<35;i++) printf("*");
522 printf("\n%s: ",ClassName());
523 //
524 for(i=0;i<80;i++) printf("*");
525 printf("\n");
526 }
43d014f0 527}
528
529
530
531
532
533
534
535
536
537