]> git.uio.no Git - u/mrichter/AliRoot.git/blame - STRUCT/AliABSOv0.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
fRefVolumeId for reference volume identification added.
[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
eeacf08b 16/* $Id$ */
43d014f0 17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Muon ABSOrber //
21// This class contains the description of the muon absorber geometry //
22// //
23//Begin_Html
24/*
25<img src="picts/AliABSOClass.gif">
26</pre>
27<br clear=left>
28<font size=+2 color=red>
29<p>The responsible person for this module is
30<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
31</font>
32<pre>
33*/
34//End_Html
35// //
36// //
37///////////////////////////////////////////////////////////////////////////////
38
39#include "AliABSOv0.h"
40#include "AliRun.h"
41#include "AliConst.h"
b2ef5f06 42
43d014f0 43ClassImp(AliABSOv0)
44
45//_____________________________________________________________________________
46AliABSOv0::AliABSOv0()
47{
48 //
49 // Default constructor
50 //
51}
52
53//_____________________________________________________________________________
54AliABSOv0::AliABSOv0(const char *name, const char *title)
55 : AliABSO(name,title)
56{
57 //
58 // Standard constructor
59 //
60 SetMarkerColor(7);
61 SetMarkerStyle(2);
62 SetMarkerSize(0.4);
63}
64
65//_____________________________________________________________________________
66void AliABSOv0::CreateGeometry()
67{
b2ef5f06 68 //
69 // Creation of the geometry of the muon absorber
70 //
71 //Begin_Html
72 /*
73 <img src="picts/AliABSOv0Tree.gif">
74 */
75 //End_Html
76 //Begin_Html
77 /*
78 <img src="picts/AliABSOv0.gif">
79 */
80 //End_Html
81
82 //
83 //
56f14ac2 84
85 enum {kC=1605, kAl=1608, kFe=1609, kCu=1610, kW=1611, kPb=1612,
77976fd8 86 kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616,
87 kPolyCH2=1617, kSteel=1609, kInsulation=1613, kPolyCc=1619};
b2ef5f06 88
89 Int_t *idtmed = fIdtmed->GetArray()-1599;
43d014f0 90
b2ef5f06 91 Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3];
92 Float_t dz;
513b07d0 93 Int_t idrotm[1699];
b2ef5f06 94#include "ABSOSHILConst.h"
95#include "ABSOConst.h"
381ec9af 96//
97// Structure of Tracking Region
98//
99 Float_t dzFe = 25.;
100
101// 3 < theta < 9
102 fNLayers[0] = 5;
dbbe5bc1 103 fMLayers[0][0] = kAir; fZLayers[0][0] = kZAbsStart;
104 fMLayers[0][1] = kC; fZLayers[0][1] = kZAbsCc;
105 fMLayers[0][2] = kConcrete; fZLayers[0][2] = kZRear-kDRear-dzFe;
106 fMLayers[0][3] = kSteel; fZLayers[0][3] = kZRear-kDRear;
107 fMLayers[0][4] = kSteel; fZLayers[0][4] = kZRear;
381ec9af 108// 2 < theta < 3
dbbe5bc1 109 fNLayers[1] = 6;
110
111 fMLayers[1][0] = kAir ; fZLayers[1][0] = fZLayers[0][0]-10.;
112 fMLayers[1][1] = kAl ; fZLayers[1][1] = fZLayers[0][0];
113 fMLayers[1][2] = fMLayers[0][1]; fZLayers[1][2] = fZLayers[0][1];
114 fMLayers[1][3] = fMLayers[0][2]; fZLayers[1][3] = fZLayers[0][2];
115 fMLayers[1][4] = fMLayers[0][3]; fZLayers[1][4] = fZLayers[0][3];
116 fMLayers[1][5] = kNiCuW; fZLayers[1][5] = fZLayers[0][4];
381ec9af 117//
118
b2ef5f06 119 Float_t dTube=0.1; // tube thickness
120 Float_t dInsu=0.5; // insulation thickness
121 Float_t dEnve=0.1; // protective envelope thickness
ba47c054 122 // Float_t dFree=0.5; // clearance thickness
b2ef5f06 123
124
125// Mother volume and outer shielding: Pb
43d014f0 126 par[0] = 0.;
127 par[1] = 360.;
128 par[2] = 7.;
b2ef5f06 129
dbbe5bc1 130 par[3] = -(kZRear-kZAbsStart)/2.;
131 par[4] = kRAbs;
132 par[5] = kZAbsStart * TMath::Tan(kTheta1);
43d014f0 133
dbbe5bc1 134 par[6] = par[3]+(kZNose-kZAbsStart);
135 par[7] = kRAbs;
136 par[8] = kZNose * TMath::Tan(kTheta1);
43d014f0 137
dbbe5bc1 138 par[9] = par[3]+(kZConeTPC-kZAbsStart);
139 par[10] = kRAbs;
140 par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(kTheta2);
43d014f0 141
dbbe5bc1 142 par[12] = par[3]+(kZOpen-kZAbsStart);
143 par[13] = kRAbs;
144 par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(kAccMax);
43d014f0 145
dbbe5bc1 146 par[15] = par[3]+(kZRear-kDRear-kZAbsStart);
147 par[16] = kRAbs + (par[15] - par[12]) * TMath::Tan(kThetaOpen1) ;
148 par[17] = par[14] + (par[15] - par[12]) * TMath::Tan(kAccMax);
43d014f0 149
dbbe5bc1 150 par[18] = par[3]+(kZRear-kDRear-kZAbsStart);
151 par[19] = (kZRear-kDRear) * TMath::Tan(kAccMin);
152 par[20] = par[14] + (par[18] - par[12]) * TMath::Tan(kAccMax);
43d014f0 153
154 par[21] = -par[3];
dbbe5bc1 155 par[22] = kZRear* TMath::Tan(kAccMin);
156 par[23] = par[20] + (par[21] - par[18]) * TMath::Tan(kAccMax);
b2ef5f06 157 gMC->Gsvolu("ABSS", "PCON", idtmed[kPb], par, 24);
74c0d076 158 { // Begin local scope for i
b2ef5f06 159 for (Int_t i=4; i<18; i+=3) par[i] = 0;
74c0d076 160 } // End local scope for i
b2ef5f06 161 gMC->Gsvolu("ABSM", "PCON", idtmed[kVacuum+40], par, 24);
43d014f0 162 gMC->Gspos("ABSS", 1, "ABSM", 0., 0., 0., 0, "ONLY");
163
164//
165// Steel envelope
166//
dbbe5bc1 167 par[4] = par[5] -kDSteel;
168 par[7] = par[8] -kDSteel;
169 par[10]= par[11]-kDSteel;
170 par[13]= par[14]-kDSteel;
171 par[16]= par[17]-kDSteel;
172 par[19]= par[20]-kDSteel;
173 par[22]= par[23]-kDSteel;
b2ef5f06 174 gMC->Gsvolu("ABST", "PCON", idtmed[kSteel], par, 24);
43d014f0 175 gMC->Gspos("ABST", 1, "ABSS", 0., 0., 0., 0, "ONLY");
176//
177// Polyethylene shield
178//
dbbe5bc1 179 cpar[0] = (kZRear - kZConeTPC) / 2.;
180 cpar[1] = kZConeTPC * TMath::Tan(kAccMax);
181 cpar[2] = cpar[1] + kDPoly;
182 cpar[3] = kZRear * TMath::Tan(kAccMax);
183 cpar[4] = cpar[3] + kDPoly;
b2ef5f06 184 gMC->Gsvolu("APOL", "CONE", idtmed[kPolyCH2+40], cpar, 5);
dbbe5bc1 185 dz = (kZRear-kZAbsStart)/2.-cpar[0];
43d014f0 186 gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY");
187
188//
189// Tungsten nose to protect TPC
190//
dbbe5bc1 191 cpar[0] = (kZNose - kZAbsStart) / 2.;
192 cpar[1] = kZAbsStart * TMath::Tan(kAccMax);
193 cpar[2] = kZAbsStart * TMath::Tan(kTheta1)-kDSteel;
194 cpar[3] = kZNose * TMath::Tan(kAccMax);
195 cpar[4] = kZNose * TMath::Tan(kTheta1)-kDSteel;
b2ef5f06 196 gMC->Gsvolu("ANOS", "CONE", idtmed[kW], cpar, 5);
8f657ed5 197 //
dbbe5bc1 198 dz = -(kZRear-kZAbsStart)/2.+cpar[0];
43d014f0 199 gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY");
8f657ed5 200 //
201 // Tungsten inner shield
202 //
dbbe5bc1 203 Float_t zW = kZTwoDeg+.1;
204 Float_t dZ = zW+(kZRear-kDRear-zW)/2.;
43d014f0 205 //
b2ef5f06 206 pcpar[0] = 0.;
207 pcpar[1] = 360.;
208 pcpar[2] = 3.;
209 pcpar[3] = zW-dZ;
dbbe5bc1 210 pcpar[4] = kRAbs;
211 pcpar[5] = zW * TMath::Tan(kAccMin);
212 pcpar[6] = kZOpen-dZ;
213 pcpar[7] = kRAbs;
214 pcpar[8] = kZOpen * TMath::Tan(kAccMin);
215 pcpar[9] = kZRear-kDRear-dZ;
216 pcpar[10] = kRAbs+(kZRear-kDRear-kZOpen) * TMath::Tan(kThetaOpen1);
217 pcpar[11] = (kZRear-kDRear) * TMath::Tan(kAccMin);
b2ef5f06 218
219 gMC->Gsvolu("AWIN", "PCON", idtmed[kNiCuW+40], pcpar, 12);
dbbe5bc1 220 dz=(zW+kZRear-kDRear)/2-(kZAbsStart+kZRear)/2.;
43d014f0 221 gMC->Gspos("AWIN", 1, "ABSS", 0., 0., dz, 0, "ONLY");
8f657ed5 222//
223// First part replaced by Carbon
224//
513b07d0 225 cpar[0] = (200.-zW)/2.;
dbbe5bc1 226 cpar[1] = kRAbs;
513b07d0 227 cpar[2] = pcpar[5];
dbbe5bc1 228 cpar[3] = kRAbs;
229 cpar[4] = 200. * TMath::Tan(kAccMin);
513b07d0 230 gMC->Gsvolu("ACNO", "CONE", idtmed[kC], cpar, 5);
231 dz = zW-dZ+cpar[0];
513b07d0 232 gMC->Gspos("ACNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
8f657ed5 233
8f657ed5 234/*
ba47c054 235 Float_t zWW = 383.5;
dbbe5bc1 236 cpar[0] = (kZRear-kDRear-zWW)/2.;
237 cpar[1] = kRAbs + (zWW-kZOpen) * TMath::Tan(kThetaOpen1);
238 cpar[2] = zWW * TMath::Tan(kAccMin);
8f657ed5 239 cpar[3] = pcpar[10];
240 cpar[4] = pcpar[11];
241 gMC->Gsvolu("AWNO", "CONE", idtmed[kCu+40], cpar, 5);
242 dz = zWW-dZ+cpar[0];
243
244 gMC->Gspos("AWNO", 1, "AWIN", 0., 0., dz, 0, "ONLY");
245*/
246 //
43d014f0 247 // Inner tracking region
248 //
381ec9af 249 // mother volume: Cu
43d014f0 250 //
8f657ed5 251 //
43d014f0 252 pcpar[0] = 0.;
253 pcpar[1] = 360.;
254 pcpar[2] = 3.;
dbbe5bc1 255 pcpar[3] = -(kZRear-kZAbsStart)/2.;
256 pcpar[4] = kRAbs;
257 pcpar[5] = kZAbsStart * TMath::Tan(kAccMax);
258 pcpar[6] = pcpar[3]+(kZTwoDeg-kZAbsStart);
259 pcpar[7] = kRAbs;
260 pcpar[8] = kZTwoDeg * TMath::Tan(kAccMax);
85d164ab 261 pcpar[9] = -pcpar[3];
dbbe5bc1 262 pcpar[10] = kZRear * TMath::Tan(kAccMin);
263 pcpar[11] = kZRear * TMath::Tan(kAccMax);
381ec9af 264 gMC->Gsvolu("AITR", "PCON", idtmed[fMLayers[0][4]], pcpar, 12);
43d014f0 265 //
266 // special Pb medium for last 5 cm of Pb
dbbe5bc1 267 Float_t zr=kZRear-2.-0.001;
b2ef5f06 268 cpar[0] = 1.0;
dbbe5bc1 269 cpar[1] = zr * TMath::Tan(kThetaR);
270 cpar[2] = zr * TMath::Tan(kAccMax);
271 cpar[3] = cpar[1] + TMath::Tan(kThetaR) * 2;
272 cpar[4] = cpar[2] + TMath::Tan(kAccMax) * 2;
381ec9af 273 gMC->Gsvolu("ARPB", "CONE", idtmed[fMLayers[0][4]], cpar, 5);
dbbe5bc1 274 dz=(kZRear-kZAbsStart)/2.-cpar[0]-0.001;
43d014f0 275 gMC->Gspos("ARPB", 1, "AITR", 0., 0., dz, 0, "ONLY");
43d014f0 276 //
277 // concrete cone: concrete
278 //
dbbe5bc1 279 pcpar[9] = pcpar[3]+(kZRear-kDRear-kZAbsStart);
280 pcpar[10] = (kZRear-kDRear) * TMath::Tan(kAccMin);
281 pcpar[11] = (kZRear-kDRear) * TMath::Tan(kAccMax);
381ec9af 282 gMC->Gsvolu("ACON", "PCON", idtmed[fMLayers[0][2]+40], pcpar, 12);
43d014f0 283 gMC->Gspos("ACON", 1, "AITR", 0., 0., 0., 0, "ONLY");
381ec9af 284//
285// Fe Cone
286//
dbbe5bc1 287 zr = kZRear-kDRear-dzFe;
381ec9af 288 cpar[0] = dzFe/2.;
dbbe5bc1 289 cpar[1] = zr * TMath::Tan(kAccMin);
290 cpar[2] = zr * TMath::Tan(kAccMax);
291 cpar[3] = cpar[1] + TMath::Tan(kAccMin) * dzFe;
292 cpar[4] = cpar[2] + TMath::Tan(kAccMax) * dzFe;
381ec9af 293 gMC->Gsvolu("ACFE", "CONE",idtmed[fMLayers[0][3]], cpar, 5);
294
dbbe5bc1 295 dz = (kZRear-kZAbsStart)/2.-kDRear-dzFe/2.;
381ec9af 296
297 gMC->Gspos("ACFE", 1, "ACON", 0., 0., dz, 0, "ONLY");
298
299
300 //
43d014f0 301 //
302 // carbon cone: carbon
303 //
dbbe5bc1 304 pcpar[9] = pcpar[3]+(kZAbsCc-kZAbsStart);
305 pcpar[10] = kZAbsCc * TMath::Tan(kAccMin);
306 pcpar[11] = kZAbsCc * TMath::Tan(kAccMax);
381ec9af 307 gMC->Gsvolu("ACAR", "PCON", idtmed[fMLayers[0][1]+40], pcpar, 12);
43d014f0 308 gMC->Gspos("ACAR", 1, "ACON", 0., 0., 0., 0, "ONLY");
b2ef5f06 309 //
310 // carbon cone outer region
311 //
312 cpar[0] = 10.;
dbbe5bc1 313 cpar[1] = kRAbs;
314 cpar[2] = kZAbsStart* TMath::Tan(kAccMax);
315 cpar[3] = kRAbs;
316 cpar[4] = cpar[2]+2. * cpar[0] * TMath::Tan(kAccMax);
b2ef5f06 317
381ec9af 318 gMC->Gsvolu("ACAO", "CONE", idtmed[fMLayers[0][1]], cpar, 5);
dbbe5bc1 319 dz=-(kZRear-kZAbsStart)/2.+cpar[0];
b2ef5f06 320 gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY");
43d014f0 321 //
322 // inner W shield
b2ef5f06 323 Float_t epsi=0.;
324 Float_t repsi=1.;
325
dbbe5bc1 326 zr=kZRear-(kDRear-epsi);
327 cpar[0] = (kDRear-epsi)/2.;
328 cpar[1] = zr * TMath::Tan(kAccMin);
329 cpar[2] = zr * TMath::Tan(kThetaR*repsi);
330 cpar[3] = cpar[1] + TMath::Tan(kAccMin) * (kDRear-epsi);
331 cpar[4] = cpar[2] + TMath::Tan(kThetaR*repsi) * (kDRear-epsi);
381ec9af 332 gMC->Gsvolu("ARW0", "CONE", idtmed[fMLayers[1][4]+40], cpar, 5);
dbbe5bc1 333 dz=(kZRear-kZAbsStart)/2.-cpar[0];
43d014f0 334 gMC->Gspos("ARW0", 1, "AITR", 0., 0., dz, 0, "ONLY");
335 //
336 // special W medium for last 5 cm of W
dbbe5bc1 337 zr=kZRear-5;
43d014f0 338 cpar[0] = 2.5;
dbbe5bc1 339 cpar[1] = zr * TMath::Tan(kAccMin);
340 cpar[2] = zr * TMath::Tan(kThetaR*repsi);
341 cpar[3] = cpar[1] + TMath::Tan(kAccMin) * 5.;
342 cpar[4] = cpar[2] + TMath::Tan(kThetaR*repsi) * 5.;
381ec9af 343 gMC->Gsvolu("ARW1", "CONE", idtmed[fMLayers[1][4]+20], cpar, 5);
dbbe5bc1 344 dz=(kDRear-epsi)/2.-cpar[0];
43d014f0 345 gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY");
346 //
381ec9af 347 // Cu
dbbe5bc1 348 Float_t drMin=TMath::Tan(kThetaR) * 5;
349 Float_t drMax=TMath::Tan(kAccMax) * 5;
381ec9af 350 gMC->Gsvolu("ARPE", "CONE", idtmed[fMLayers[0][4]], cpar, 0);
43d014f0 351 cpar[0]=2.5;
74c0d076 352 { // Begin local scope for i
b2ef5f06 353 for (Int_t i=0; i<3; i++) {
dbbe5bc1 354 zr=kZRear-kDRear+5+i*10.;
355 cpar[1] = zr * TMath::Tan(kThetaR);
356 cpar[2] = zr * TMath::Tan(kAccMax);
b2ef5f06 357 cpar[3] = cpar[1] + drMin;
358 cpar[4] = cpar[2] + drMax;
dbbe5bc1 359 dz=(kZRear-kZAbsStart)/2.-cpar[0]-5.-(2-i)*10;
b2ef5f06 360 gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5);
361 }
74c0d076 362 } // End local scope for i
43d014f0 363 gMC->Gspos("AITR", 1, "ABSS", 0., 0., 0., 0, "ONLY");
dbbe5bc1 364 dz = (kZRear-kZAbsStart)/2.+kZAbsStart;
43d014f0 365 gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY");
366//
367//
368// vacuum system
369//
370// pipe and heating jackets
371//
372//
373// cylindrical piece
dbbe5bc1 374 tpar0[2]=(kZOpen-kZAbsStart)/2;
375 tpar0[0]=kRVacu;
376 tpar0[1]=kRVacu+dTube+dInsu+dEnve;
b2ef5f06 377 gMC->Gsvolu("AV11", "TUBE", idtmed[kSteel+40], tpar0, 3);
43d014f0 378//
379// insulation
b2ef5f06 380
43d014f0 381 tpar[2]=tpar0[2];
dbbe5bc1 382 tpar[0]=kRVacu+dTube;
b2ef5f06 383 tpar[1]=tpar[0]+dInsu;
384 gMC->Gsvolu("AI11", "TUBE", idtmed[kInsulation+40], tpar, 3);
43d014f0 385 gMC->Gspos("AI11", 1, "AV11", 0., 0., 0., 0, "ONLY");
b2ef5f06 386//
dbbe5bc1 387 dz=-(kZRear-kZAbsStart)/2.+tpar0[2];
43d014f0 388 gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY");
43d014f0 389//
390// conical piece
b2ef5f06 391
dbbe5bc1 392 cpar0[0]=(kZRear-kDRear-kZOpen)/2;
393 cpar0[1]= kRVacu-0.05;
394 cpar0[2]= kRVacu+dTube+dInsu+dEnve;
395 Float_t dR=2.*cpar0[0]*TMath::Tan(kThetaOpen1);
b2ef5f06 396 cpar0[3]=cpar0[1]+dR;
397 cpar0[4]=cpar0[2]+dR;
398 gMC->Gsvolu("AV21", "CONE", idtmed[kSteel+40], cpar0, 5);
399 dTube+=0.05;
400
43d014f0 401//
402// insulation
403 cpar[0]=cpar0[0];
b2ef5f06 404 cpar[1]=cpar0[1]+dTube;
405 cpar[2]=cpar0[1]+dTube+dInsu;
406 cpar[3]=cpar0[3]+dTube;
407 cpar[4]=cpar0[3]+dTube+dInsu;
408 gMC->Gsvolu("AI21", "CONE", idtmed[kInsulation+40], cpar, 5);
43d014f0 409 gMC->Gspos("AI21", 1, "AV21", 0., 0., 0., 0, "ONLY");
43d014f0 410
dbbe5bc1 411 dz=(kZRear-kZAbsStart)/2.-cpar0[0]-kDRear;
43d014f0 412 gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY");
381ec9af 413//
414// Support cone
415
513b07d0 416 par[0] = 22.5;
417 par[1] = 360.0;
418 par[2] = 8.0;
419 par[3] = 4.0;
381ec9af 420
dbbe5bc1 421 par[4] = kZRear;
513b07d0 422 par[5] = 100.;
8f657ed5 423 par[6] = 180.;
381ec9af 424
dbbe5bc1 425 par[7] = kZRear+20.;
513b07d0 426 par[8] = 100.;
8f657ed5 427 par[9] = 180.;
381ec9af 428
dbbe5bc1 429 par[10] = kZRear+20.;
8f657ed5 430 par[11] = 178.;
431 par[12] = 180.;
381ec9af 432
513b07d0 433 par[13] = 600.;
8f657ed5 434 par[14] = 178.;
435 par[15] = 180.;
381ec9af 436
437
8f657ed5 438 gMC->Gsvolu("ASSS", "PGON", idtmed[kAl], par, 16);
381ec9af 439 gMC->Gspos("ASSS", 1, "ALIC", 0., 0., 0., 0, "ONLY");
440
513b07d0 441 Float_t trap[11];
442 trap[ 0] = (530.-170.)/2.;
443 trap[ 2] = 0.;
444 trap[ 3] = 2.;
dbbe5bc1 445 trap[ 4] = (600.-(kZRear+2.))/2.;;
513b07d0 446 trap[ 5] = trap[4];
447 trap[ 6] = 0.;
448 trap[ 7] = 2.;
449 trap[ 8] = 5.;
450 trap[ 9] = 5.;
451 trap[10] = 0.;
452 trap[ 1] = -TMath::ATan((trap[4]-trap[8])/2./trap[0])*180./TMath::Pi();
453 AliMatrix(idrotm[1600], 180., 0., 90., 0., 90., 90.);
454 AliMatrix(idrotm[1601], 180., 0., 90., 0., 90., 270.);
455 gMC->Gsvolu("ASST", "TRAP", idtmed[kSteel], trap, 11);
dbbe5bc1 456 dz = (600.+kZRear+2.)/2.+(trap[4]-trap[8])/2.;
ba47c054 457 // Float_t dy = 170.+trap[0];
513b07d0 458
8f657ed5 459// gMC->Gspos("ASST", 1, "ALIC", 0., dy, dz, idrotm[1600], "ONLY");
460// gMC->Gspos("ASST", 2, "ALIC", 0., -dy, dz, idrotm[1601], "ONLY");
43d014f0 461}
462
463//_____________________________________________________________________________
464
465void AliABSOv0::Init()
466{
467 //
468 // Initialisation of the muon absorber after it has been built
469 Int_t i;
470 //
9e1a0ddb 471 if(fDebug) {
472 printf("\n%s: ",ClassName());
473 for(i=0;i<35;i++) printf("*");
474 printf(" ABSOv0_INIT ");
475 for(i=0;i<35;i++) printf("*");
476 printf("\n%s: ",ClassName());
477 //
478 for(i=0;i<80;i++) printf("*");
479 printf("\n");
480 }
43d014f0 481}
482
483
484
485
486
487
488
489
490
491