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