]>
Commit | Line | Data |
---|---|---|
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 | 18 | Revision 1.13 2002/10/14 14:57:34 hristov |
19 | Merging the VirtualMC branch to the main development branch (HEAD) | |
20 | ||
b9d0a01d | 21 | Revision 1.11.6.1 2002/07/24 10:08:27 alibrary |
22 | Updating VirtualMC | |
23 | ||
24 | Revision 1.12 2002/07/15 07:56:41 morsch | |
25 | Steel rear and Al ring. | |
26 | ||
8f657ed5 | 27 | Revision 1.11 2001/11/29 14:16:51 morsch |
28 | - truncated inner W-cone | |
29 | - new support structure | |
30 | ||
513b07d0 | 31 | Revision 1.10 2001/10/25 08:50:57 morsch |
32 | New beamshield geometry with increased tolerances and insulation thickness. | |
33 | ||
77976fd8 | 34 | Revision 1.9 2001/05/16 14:57:22 alibrary |
35 | New files for folders and Stack | |
36 | ||
9e1a0ddb | 37 | Revision 1.8 2001/01/12 13:16:09 morsch |
38 | Store absorber composition information in fMLayers and fZLayers | |
39 | Rear 25 cm Fe + 35 cm Cu | |
40 | ||
381ec9af | 41 | Revision 1.7 2000/10/02 21:28:15 fca |
42 | Removal of useless dependecies via forward declarations | |
43 | ||
94de3818 | 44 | Revision 1.6 2000/06/15 09:40:31 morsch |
45 | Obsolete typedef keyword removed | |
46 | ||
56f14ac2 | 47 | Revision 1.5 2000/06/12 19:39:01 morsch |
48 | New structure of beam pipe and heating jacket. | |
49 | ||
b2ef5f06 | 50 | Revision 1.4 2000/04/03 08:13:40 fca |
51 | Introduce extra scope for non ANSI compliant C++ compilers | |
52 | ||
74c0d076 | 53 | Revision 1.3 2000/01/18 17:49:56 morsch |
54 | Serious overlap of ABSM with shield corrected | |
55 | Small error in ARPB parameters corrected | |
56 | ||
85d164ab | 57 | Revision 1.2 2000/01/13 11:23:59 morsch |
58 | Last layer of Pb outer angle corrected | |
59 | ||
54fba644 | 60 | Revision 1.1 2000/01/12 15:39:30 morsch |
b2ef5f06 | 61 | Standard 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 | 91 | ClassImp(AliABSOv0) |
92 | ||
93 | //_____________________________________________________________________________ | |
94 | AliABSOv0::AliABSOv0() | |
95 | { | |
96 | // | |
97 | // Default constructor | |
98 | // | |
99 | } | |
100 | ||
101 | //_____________________________________________________________________________ | |
102 | AliABSOv0::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 | //_____________________________________________________________________________ | |
114 | void 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 | ||
511 | void 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 |