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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 | ||
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 | ||
88cb7938 | 39 | #include <TVirtualMC.h> |
40 | ||
43d014f0 | 41 | #include "AliABSOv0.h" |
43d014f0 | 42 | #include "AliConst.h" |
88cb7938 | 43 | #include "AliRun.h" |
4951e003 | 44 | #include "AliLog.h" |
b2ef5f06 | 45 | |
43d014f0 | 46 | ClassImp(AliABSOv0) |
47 | ||
48 | //_____________________________________________________________________________ | |
49 | AliABSOv0::AliABSOv0() | |
50 | { | |
51 | // | |
52 | // Default constructor | |
53 | // | |
54 | } | |
55 | ||
56 | //_____________________________________________________________________________ | |
57 | AliABSOv0::AliABSOv0(const char *name, const char *title) | |
58 | : AliABSO(name,title) | |
59 | { | |
60 | // | |
61 | // Standard constructor | |
62 | // | |
63 | SetMarkerColor(7); | |
64 | SetMarkerStyle(2); | |
65 | SetMarkerSize(0.4); | |
66 | } | |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | void AliABSOv0::CreateGeometry() | |
70 | { | |
b2ef5f06 | 71 | // |
72 | // Creation of the geometry of the muon absorber | |
73 | // | |
74 | //Begin_Html | |
75 | /* | |
76 | <img src="picts/AliABSOv0Tree.gif"> | |
77 | */ | |
78 | //End_Html | |
79 | //Begin_Html | |
80 | /* | |
81 | <img src="picts/AliABSOv0.gif"> | |
82 | */ | |
83 | //End_Html | |
84 | ||
85 | // | |
86 | // | |
56f14ac2 | 87 | |
88 | enum {kC=1605, kAl=1608, kFe=1609, kCu=1610, kW=1611, kPb=1612, | |
77976fd8 | 89 | kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616, |
90 | kPolyCH2=1617, kSteel=1609, kInsulation=1613, kPolyCc=1619}; | |
b2ef5f06 | 91 | |
92 | Int_t *idtmed = fIdtmed->GetArray()-1599; | |
43d014f0 | 93 | |
b2ef5f06 | 94 | Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3]; |
95 | Float_t dz; | |
513b07d0 | 96 | Int_t idrotm[1699]; |
b2ef5f06 | 97 | #include "ABSOSHILConst.h" |
98 | #include "ABSOConst.h" | |
381ec9af | 99 | // |
100 | // Structure of Tracking Region | |
101 | // | |
102 | Float_t dzFe = 25.; | |
103 | ||
104 | // 3 < theta < 9 | |
105 | fNLayers[0] = 5; | |
dbbe5bc1 | 106 | fMLayers[0][0] = kAir; fZLayers[0][0] = kZAbsStart; |
107 | fMLayers[0][1] = kC; fZLayers[0][1] = kZAbsCc; | |
50ad31cc | 108 | fMLayers[0][2] = kConcrete; fZLayers[0][2] = kZRear - kDRear - dzFe; |
109 | fMLayers[0][3] = kSteel; fZLayers[0][3] = kZRear - kDRear; | |
dbbe5bc1 | 110 | fMLayers[0][4] = kSteel; fZLayers[0][4] = kZRear; |
381ec9af | 111 | // 2 < theta < 3 |
dbbe5bc1 | 112 | fNLayers[1] = 6; |
113 | ||
50ad31cc | 114 | fMLayers[1][0] = kAir ; fZLayers[1][0] = fZLayers[0][0] - 10.; |
dbbe5bc1 | 115 | fMLayers[1][1] = kAl ; fZLayers[1][1] = fZLayers[0][0]; |
116 | fMLayers[1][2] = fMLayers[0][1]; fZLayers[1][2] = fZLayers[0][1]; | |
117 | fMLayers[1][3] = fMLayers[0][2]; fZLayers[1][3] = fZLayers[0][2]; | |
118 | fMLayers[1][4] = fMLayers[0][3]; fZLayers[1][4] = fZLayers[0][3]; | |
7c8f009e | 119 | fMLayers[1][5] = kNiCuW+40; fZLayers[1][5] = fZLayers[0][4]; |
381ec9af | 120 | // |
121 | ||
50ad31cc | 122 | Float_t dTube = 0.1; // tube thickness |
123 | Float_t dInsu = 0.5; // insulation thickness | |
124 | Float_t dEnve = 0.1; // protective envelope thickness | |
b2ef5f06 | 125 | |
126 | ||
127 | // Mother volume and outer shielding: Pb | |
43d014f0 | 128 | par[0] = 0.; |
129 | par[1] = 360.; | |
130 | par[2] = 7.; | |
b2ef5f06 | 131 | |
50ad31cc | 132 | par[21] = (kZRear - kZAbsStart) / 2.; |
133 | par[22] = kRAbs; | |
134 | par[23] = kZAbsStart * TMath::Tan(kTheta1); | |
43d014f0 | 135 | |
50ad31cc | 136 | par[18] = par[21] - (kZNose - kZAbsStart); |
137 | par[19] = kRAbs; | |
138 | par[20] = kZNose * TMath::Tan(kTheta1); | |
43d014f0 | 139 | |
50ad31cc | 140 | par[15] = par[21] - (kZConeTPC - kZAbsStart); |
141 | par[16] = kRAbs; | |
142 | par[17] = par[20] - (par[15] - par[18]) * TMath::Tan(kTheta2); | |
43d014f0 | 143 | |
50ad31cc | 144 | par[12] = par[21] - (kZOpen - kZAbsStart); |
dbbe5bc1 | 145 | par[13] = kRAbs; |
50ad31cc | 146 | par[14] = par[17] - (par[12] - par[15]) * TMath::Tan(kAccMax); |
43d014f0 | 147 | |
50ad31cc | 148 | par[9] = par[21] - (kZRear - kDRear - kZAbsStart); |
149 | par[10] = kRAbs - (par[9] - par[12]) * TMath::Tan(kThetaOpen1) ; | |
150 | par[11] = par[14] - (par[9] - par[12]) * TMath::Tan(kAccMax); | |
43d014f0 | 151 | |
50ad31cc | 152 | par[6] = par[21] - (kZRear - kDRear - kZAbsStart); |
153 | par[7] = (kZRear - kDRear) * TMath::Tan(kAccMin); | |
154 | par[8] = par[14] - (par[6] - par[12]) * TMath::Tan(kAccMax); | |
43d014f0 | 155 | |
50ad31cc | 156 | par[3] = - par[21]; |
157 | par[4] = kZRear * TMath::Tan(kAccMin); | |
158 | par[5] = par[8] - (par[3] - par[6]) * TMath::Tan(kAccMax); | |
7c8f009e | 159 | gMC->Gsvolu("ABSS", "PCON", idtmed[kPb+40], par, 24); |
50ad31cc | 160 | |
161 | for (Int_t i = 22; i > 7; i -= 3) par[i] = 0; | |
162 | ||
b2ef5f06 | 163 | gMC->Gsvolu("ABSM", "PCON", idtmed[kVacuum+40], par, 24); |
43d014f0 | 164 | gMC->Gspos("ABSS", 1, "ABSM", 0., 0., 0., 0, "ONLY"); |
165 | ||
166 | // | |
167 | // Steel envelope | |
168 | // | |
50ad31cc | 169 | par[4] = par[5] - kDSteel; |
170 | par[7] = par[8] - kDSteel; | |
171 | par[10]= par[11] - kDSteel; | |
172 | par[13]= par[14] - kDSteel; | |
173 | par[16]= par[17] - kDSteel; | |
174 | par[19]= par[20] - kDSteel; | |
175 | par[22]= par[23] - kDSteel; | |
176 | ||
b2ef5f06 | 177 | gMC->Gsvolu("ABST", "PCON", idtmed[kSteel], par, 24); |
43d014f0 | 178 | gMC->Gspos("ABST", 1, "ABSS", 0., 0., 0., 0, "ONLY"); |
179 | // | |
180 | // Polyethylene shield | |
181 | // | |
dbbe5bc1 | 182 | cpar[0] = (kZRear - kZConeTPC) / 2.; |
50ad31cc | 183 | cpar[1] = kZRear * TMath::Tan(kAccMax); |
dbbe5bc1 | 184 | cpar[2] = cpar[1] + kDPoly; |
50ad31cc | 185 | cpar[3] = kZConeTPC * TMath::Tan(kAccMax); |
dbbe5bc1 | 186 | cpar[4] = cpar[3] + kDPoly; |
50ad31cc | 187 | |
b2ef5f06 | 188 | gMC->Gsvolu("APOL", "CONE", idtmed[kPolyCH2+40], cpar, 5); |
50ad31cc | 189 | dz = - (kZRear - kZAbsStart) / 2. + cpar[0]; |
43d014f0 | 190 | gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
191 | ||
192 | // | |
193 | // Tungsten nose to protect TPC | |
194 | // | |
dbbe5bc1 | 195 | cpar[0] = (kZNose - kZAbsStart) / 2.; |
50ad31cc | 196 | cpar[1] = kZNose * TMath::Tan(kAccMax); |
197 | cpar[2] = kZNose * TMath::Tan(kTheta1) - kDSteel; | |
198 | cpar[3] = kZAbsStart * TMath::Tan(kAccMax); | |
199 | cpar[4] = kZAbsStart * TMath::Tan(kTheta1) - kDSteel; | |
200 | ||
b2ef5f06 | 201 | gMC->Gsvolu("ANOS", "CONE", idtmed[kW], cpar, 5); |
8f657ed5 | 202 | // |
50ad31cc | 203 | dz = (kZRear - kZAbsStart) / 2. - cpar[0]; |
43d014f0 | 204 | gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
8f657ed5 | 205 | // |
206 | // Tungsten inner shield | |
207 | // | |
50ad31cc | 208 | Float_t zW = kZTwoDeg + .1; |
209 | Float_t dZ = zW + (kZRear - kDRear - zW) / 2.; | |
43d014f0 | 210 | // |
b2ef5f06 | 211 | pcpar[0] = 0.; |
212 | pcpar[1] = 360.; | |
213 | pcpar[2] = 3.; | |
50ad31cc | 214 | pcpar[9] = - (zW - dZ); |
215 | pcpar[10] = kRAbs; | |
216 | pcpar[11] = zW * TMath::Tan(kAccMin); | |
217 | pcpar[6] = - (kZOpen - dZ); | |
dbbe5bc1 | 218 | pcpar[7] = kRAbs; |
219 | pcpar[8] = kZOpen * TMath::Tan(kAccMin); | |
50ad31cc | 220 | pcpar[3] = - (kZRear - kDRear - dZ); |
221 | pcpar[4] = kRAbs + (kZRear - kDRear - kZOpen) * TMath::Tan(kThetaOpen1); | |
222 | pcpar[5] = (kZRear - kDRear) * TMath::Tan(kAccMin); | |
b2ef5f06 | 223 | |
224 | gMC->Gsvolu("AWIN", "PCON", idtmed[kNiCuW+40], pcpar, 12); | |
50ad31cc | 225 | dz = -(zW + kZRear - kDRear) / 2 + (kZAbsStart + kZRear) / 2.; |
43d014f0 | 226 | gMC->Gspos("AWIN", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
8f657ed5 | 227 | // |
228 | // First part replaced by Carbon | |
229 | // | |
513b07d0 | 230 | cpar[0] = (200.-zW)/2.; |
50ad31cc | 231 | |
dbbe5bc1 | 232 | cpar[1] = kRAbs; |
50ad31cc | 233 | cpar[2] = 200. * TMath::Tan(kAccMin); |
dbbe5bc1 | 234 | cpar[3] = kRAbs; |
50ad31cc | 235 | cpar[4] = pcpar[11]; |
236 | ||
513b07d0 | 237 | gMC->Gsvolu("ACNO", "CONE", idtmed[kC], cpar, 5); |
50ad31cc | 238 | dz = - (zW - dZ+cpar[0]); |
513b07d0 | 239 | gMC->Gspos("ACNO", 1, "AWIN", 0., 0., dz, 0, "ONLY"); |
8f657ed5 | 240 | |
8f657ed5 | 241 | /* |
ba47c054 | 242 | Float_t zWW = 383.5; |
dbbe5bc1 | 243 | cpar[0] = (kZRear-kDRear-zWW)/2.; |
244 | cpar[1] = kRAbs + (zWW-kZOpen) * TMath::Tan(kThetaOpen1); | |
245 | cpar[2] = zWW * TMath::Tan(kAccMin); | |
8f657ed5 | 246 | cpar[3] = pcpar[10]; |
247 | cpar[4] = pcpar[11]; | |
248 | gMC->Gsvolu("AWNO", "CONE", idtmed[kCu+40], cpar, 5); | |
249 | dz = zWW-dZ+cpar[0]; | |
250 | ||
251 | gMC->Gspos("AWNO", 1, "AWIN", 0., 0., dz, 0, "ONLY"); | |
252 | */ | |
253 | // | |
43d014f0 | 254 | // Inner tracking region |
255 | // | |
43d014f0 | 256 | // |
8f657ed5 | 257 | // |
43d014f0 | 258 | pcpar[0] = 0.; |
259 | pcpar[1] = 360.; | |
260 | pcpar[2] = 3.; | |
50ad31cc | 261 | pcpar[9] = (kZRear - kZAbsStart) / 2.; |
262 | pcpar[10] = kRAbs; | |
263 | pcpar[11] = kZAbsStart * TMath::Tan(kAccMax); | |
264 | pcpar[6] = pcpar[9] - (kZTwoDeg - kZAbsStart); | |
dbbe5bc1 | 265 | pcpar[7] = kRAbs; |
266 | pcpar[8] = kZTwoDeg * TMath::Tan(kAccMax); | |
50ad31cc | 267 | pcpar[3] = - pcpar[9]; |
268 | pcpar[4] = kZRear * TMath::Tan(kAccMin); | |
269 | pcpar[5] = kZRear * TMath::Tan(kAccMax); | |
381ec9af | 270 | gMC->Gsvolu("AITR", "PCON", idtmed[fMLayers[0][4]], pcpar, 12); |
43d014f0 | 271 | // |
272 | // special Pb medium for last 5 cm of Pb | |
50ad31cc | 273 | Float_t zr = kZRear - 2. - 0.001; |
b2ef5f06 | 274 | cpar[0] = 1.0; |
50ad31cc | 275 | cpar[3] = zr * TMath::Tan(kThetaR); |
276 | cpar[4] = zr * TMath::Tan(kAccMax); | |
277 | cpar[1] = cpar[3] + TMath::Tan(kThetaR) * 2; | |
278 | cpar[2] = cpar[4] + TMath::Tan(kAccMax) * 2; | |
279 | ||
381ec9af | 280 | gMC->Gsvolu("ARPB", "CONE", idtmed[fMLayers[0][4]], cpar, 5); |
50ad31cc | 281 | dz= - (kZRear - kZAbsStart) / 2. + cpar[0] - 0.001; |
43d014f0 | 282 | gMC->Gspos("ARPB", 1, "AITR", 0., 0., dz, 0, "ONLY"); |
43d014f0 | 283 | // |
284 | // concrete cone: concrete | |
285 | // | |
50ad31cc | 286 | pcpar[3] = pcpar[9] - (kZRear - kDRear - kZAbsStart); |
287 | pcpar[4] = (kZRear-kDRear) * TMath::Tan(kAccMin); | |
288 | pcpar[5] = (kZRear-kDRear) * TMath::Tan(kAccMax); | |
381ec9af | 289 | gMC->Gsvolu("ACON", "PCON", idtmed[fMLayers[0][2]+40], pcpar, 12); |
43d014f0 | 290 | gMC->Gspos("ACON", 1, "AITR", 0., 0., 0., 0, "ONLY"); |
381ec9af | 291 | // |
292 | // Fe Cone | |
293 | // | |
50ad31cc | 294 | zr = kZRear - kDRear - dzFe; |
295 | ||
296 | cpar[0] = dzFe/2.; | |
297 | cpar[3] = zr * TMath::Tan(kAccMin); | |
298 | cpar[4] = zr * TMath::Tan(kAccMax); | |
299 | cpar[1] = cpar[3] + TMath::Tan(kAccMin) * dzFe; | |
300 | cpar[2] = cpar[4] + TMath::Tan(kAccMax) * dzFe; | |
301 | ||
381ec9af | 302 | gMC->Gsvolu("ACFE", "CONE",idtmed[fMLayers[0][3]], cpar, 5); |
303 | ||
50ad31cc | 304 | dz = - (kZRear - kZAbsStart) / 2. + kDRear + dzFe / 2.; |
381ec9af | 305 | |
306 | gMC->Gspos("ACFE", 1, "ACON", 0., 0., dz, 0, "ONLY"); | |
307 | ||
308 | ||
309 | // | |
43d014f0 | 310 | // |
311 | // carbon cone: carbon | |
312 | // | |
50ad31cc | 313 | pcpar[3] = pcpar[9] - (kZAbsCc - kZAbsStart); |
314 | pcpar[4] = kZAbsCc * TMath::Tan(kAccMin); | |
315 | pcpar[5] = kZAbsCc * TMath::Tan(kAccMax); | |
381ec9af | 316 | gMC->Gsvolu("ACAR", "PCON", idtmed[fMLayers[0][1]+40], pcpar, 12); |
43d014f0 | 317 | gMC->Gspos("ACAR", 1, "ACON", 0., 0., 0., 0, "ONLY"); |
b2ef5f06 | 318 | // |
319 | // carbon cone outer region | |
320 | // | |
321 | cpar[0] = 10.; | |
dbbe5bc1 | 322 | cpar[3] = kRAbs; |
50ad31cc | 323 | cpar[4] = kZAbsStart * TMath::Tan(kAccMax); |
324 | cpar[1] = kRAbs; | |
325 | cpar[2] = cpar[4] + 2. * cpar[0] * TMath::Tan(kAccMax); | |
b2ef5f06 | 326 | |
381ec9af | 327 | gMC->Gsvolu("ACAO", "CONE", idtmed[fMLayers[0][1]], cpar, 5); |
50ad31cc | 328 | dz= (kZRear-kZAbsStart) / 2. - cpar[0]; |
b2ef5f06 | 329 | gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY"); |
43d014f0 | 330 | // |
331 | // inner W shield | |
50ad31cc | 332 | Float_t epsi = 0.; |
333 | Float_t repsi = 1.; | |
b2ef5f06 | 334 | |
50ad31cc | 335 | zr = kZRear - (kDRear - epsi); |
336 | cpar[0] = (kDRear - epsi) / 2.; | |
337 | cpar[3] = zr * TMath::Tan(kAccMin); | |
338 | cpar[4] = zr * TMath::Tan(kThetaR * repsi); | |
339 | cpar[1] = cpar[3] + TMath::Tan(kAccMin) * (kDRear - epsi); | |
340 | cpar[2] = cpar[4] + TMath::Tan(kThetaR * repsi) * (kDRear - epsi); | |
341 | ||
381ec9af | 342 | gMC->Gsvolu("ARW0", "CONE", idtmed[fMLayers[1][4]+40], cpar, 5); |
50ad31cc | 343 | dz= - (kZRear - kZAbsStart) / 2. + cpar[0]; |
43d014f0 | 344 | gMC->Gspos("ARW0", 1, "AITR", 0., 0., dz, 0, "ONLY"); |
345 | // | |
346 | // special W medium for last 5 cm of W | |
50ad31cc | 347 | zr = kZRear - 5; |
43d014f0 | 348 | cpar[0] = 2.5; |
50ad31cc | 349 | cpar[3] = zr * TMath::Tan(kAccMin); |
350 | cpar[4] = zr * TMath::Tan(kThetaR * repsi); | |
351 | cpar[1] = cpar[3] + TMath::Tan(kAccMin) * 5.; | |
352 | cpar[2] = cpar[4] + TMath::Tan(kThetaR*repsi) * 5.; | |
353 | ||
381ec9af | 354 | gMC->Gsvolu("ARW1", "CONE", idtmed[fMLayers[1][4]+20], cpar, 5); |
50ad31cc | 355 | dz = - (kDRear-epsi) / 2. + cpar[0]; |
43d014f0 | 356 | gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY"); |
357 | // | |
381ec9af | 358 | // Cu |
50ad31cc | 359 | Float_t drMin = TMath::Tan(kThetaR) * 5; |
360 | Float_t drMax = TMath::Tan(kAccMax) * 5; | |
381ec9af | 361 | gMC->Gsvolu("ARPE", "CONE", idtmed[fMLayers[0][4]], cpar, 0); |
50ad31cc | 362 | cpar[0] = 2.5; |
363 | ||
364 | for (Int_t i = 0; i < 3; i++) { | |
365 | zr = kZRear - kDRear + 5 + i * 10.; | |
366 | cpar[3] = zr * TMath::Tan(kThetaR); | |
367 | cpar[4] = zr * TMath::Tan(kAccMax); | |
368 | cpar[1] = cpar[3] + drMin; | |
369 | cpar[2] = cpar[4] + drMax; | |
370 | dz = - (kZRear - kZAbsStart) / 2. + cpar[0] + 5. + (2 - i)*10; | |
371 | gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5); | |
372 | } | |
373 | ||
43d014f0 | 374 | gMC->Gspos("AITR", 1, "ABSS", 0., 0., 0., 0, "ONLY"); |
50ad31cc | 375 | dz = - (kZRear - kZAbsStart) / 2. - kZAbsStart; |
43d014f0 | 376 | gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
377 | // | |
378 | // | |
379 | // vacuum system | |
380 | // | |
381 | // pipe and heating jackets | |
382 | // | |
383 | // | |
384 | // cylindrical piece | |
50ad31cc | 385 | tpar0[2] = (kZOpen-kZAbsStart)/2; |
386 | tpar0[0] = kRVacu; | |
387 | tpar0[1] = kRVacu + dTube + dInsu + dEnve; | |
b2ef5f06 | 388 | gMC->Gsvolu("AV11", "TUBE", idtmed[kSteel+40], tpar0, 3); |
43d014f0 | 389 | // |
390 | // insulation | |
b2ef5f06 | 391 | |
50ad31cc | 392 | tpar[2] = tpar0[2]; |
393 | tpar[0] = kRVacu + dTube; | |
394 | tpar[1] = tpar[0] + dInsu; | |
b2ef5f06 | 395 | gMC->Gsvolu("AI11", "TUBE", idtmed[kInsulation+40], tpar, 3); |
43d014f0 | 396 | gMC->Gspos("AI11", 1, "AV11", 0., 0., 0., 0, "ONLY"); |
b2ef5f06 | 397 | // |
50ad31cc | 398 | dz = (kZRear - kZAbsStart) / 2. - tpar0[2]; |
43d014f0 | 399 | gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY"); |
43d014f0 | 400 | // |
401 | // conical piece | |
b2ef5f06 | 402 | |
50ad31cc | 403 | cpar0[0] = (kZRear - kDRear - kZOpen) / 2.; |
404 | cpar0[3] = kRVacu - 0.05; | |
405 | cpar0[4] = kRVacu + dTube + dInsu + dEnve; | |
406 | Float_t dR = 2. * cpar0[0] * TMath::Tan(kThetaOpen1); | |
407 | cpar0[1]=cpar0[3] + dR; | |
408 | cpar0[2]=cpar0[4] + dR; | |
b2ef5f06 | 409 | gMC->Gsvolu("AV21", "CONE", idtmed[kSteel+40], cpar0, 5); |
50ad31cc | 410 | dTube += 0.05; |
b2ef5f06 | 411 | |
43d014f0 | 412 | // |
413 | // insulation | |
50ad31cc | 414 | cpar[0] = cpar0[0]; |
415 | cpar[1] = cpar0[1] + dTube; | |
416 | cpar[2] = cpar0[1] + dTube + dInsu; | |
417 | cpar[3] = cpar0[3] + dTube; | |
418 | cpar[4] = cpar0[3] + dTube + dInsu; | |
419 | ||
b2ef5f06 | 420 | gMC->Gsvolu("AI21", "CONE", idtmed[kInsulation+40], cpar, 5); |
43d014f0 | 421 | gMC->Gspos("AI21", 1, "AV21", 0., 0., 0., 0, "ONLY"); |
43d014f0 | 422 | |
50ad31cc | 423 | dz = - (kZRear - kZAbsStart) / 2. + cpar0[0] + kDRear; |
43d014f0 | 424 | gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY"); |
381ec9af | 425 | // |
426 | // Support cone | |
427 | ||
513b07d0 | 428 | par[0] = 22.5; |
429 | par[1] = 360.0; | |
430 | par[2] = 8.0; | |
431 | par[3] = 4.0; | |
381ec9af | 432 | |
7c8f009e | 433 | par[13] = - kZRear + 20.; |
e0e51a8d | 434 | par[14] = 100.; |
435 | par[15] = 180.; | |
381ec9af | 436 | |
7c8f009e | 437 | par[10] = - kZRear; |
e0e51a8d | 438 | par[11] = 100.; |
439 | par[12] = 180.; | |
381ec9af | 440 | |
7c8f009e | 441 | par[7] = - kZRear; |
e0e51a8d | 442 | par[8] = 178.; |
443 | par[9] = 180.; | |
381ec9af | 444 | |
e0e51a8d | 445 | par[4] = - 600.; |
446 | par[5] = 178.; | |
447 | par[6] = 180.; | |
381ec9af | 448 | |
449 | ||
8f657ed5 | 450 | gMC->Gsvolu("ASSS", "PGON", idtmed[kAl], par, 16); |
381ec9af | 451 | gMC->Gspos("ASSS", 1, "ALIC", 0., 0., 0., 0, "ONLY"); |
452 | ||
513b07d0 | 453 | Float_t trap[11]; |
50ad31cc | 454 | trap[ 0] = (530. - 170.) / 2.; |
513b07d0 | 455 | trap[ 2] = 0.; |
456 | trap[ 3] = 2.; | |
50ad31cc | 457 | trap[ 4] = (600. - (kZRear + 2.)) / 2.;; |
513b07d0 | 458 | trap[ 5] = trap[4]; |
459 | trap[ 6] = 0.; | |
460 | trap[ 7] = 2.; | |
461 | trap[ 8] = 5.; | |
462 | trap[ 9] = 5.; | |
463 | trap[10] = 0.; | |
50ad31cc | 464 | trap[ 1] = -TMath::ATan((trap[4] - trap[8]) / 2. / trap[0]) * 180. / TMath::Pi(); |
513b07d0 | 465 | AliMatrix(idrotm[1600], 180., 0., 90., 0., 90., 90.); |
466 | AliMatrix(idrotm[1601], 180., 0., 90., 0., 90., 270.); | |
467 | gMC->Gsvolu("ASST", "TRAP", idtmed[kSteel], trap, 11); | |
23f88bcf | 468 | //PH dz = (600.+kZRear+2.)/2.+(trap[4]-trap[8])/2.; |
469 | //PH Float_t dy = 170.+trap[0]; | |
513b07d0 | 470 | |
50ad31cc | 471 | // gMC->Gspos("ASST", 1, "ALIC", 0., dy, - dz, idrotm[1600], "ONLY"); |
472 | // gMC->Gspos("ASST", 2, "ALIC", 0., -dy, - dz, idrotm[1601], "ONLY"); | |
43d014f0 | 473 | } |
474 | ||
475 | //_____________________________________________________________________________ | |
476 | ||
477 | void AliABSOv0::Init() | |
478 | { | |
479 | // | |
480 | // Initialisation of the muon absorber after it has been built | |
481 | Int_t i; | |
482 | // | |
4951e003 | 483 | if(AliLog::GetGlobalDebugLevel()>0) { |
9e1a0ddb | 484 | printf("\n%s: ",ClassName()); |
485 | for(i=0;i<35;i++) printf("*"); | |
486 | printf(" ABSOv0_INIT "); | |
487 | for(i=0;i<35;i++) printf("*"); | |
488 | printf("\n%s: ",ClassName()); | |
489 | // | |
490 | for(i=0;i<80;i++) printf("*"); | |
491 | printf("\n"); | |
492 | } | |
43d014f0 | 493 | } |
494 | ||
495 | ||
496 | ||
497 | ||
498 | ||
499 | ||
500 | ||
501 | ||
502 | ||
503 |