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 | $Log$ |
9e1a0ddb |
18 | Revision 1.8 2001/01/12 13:16:09 morsch |
19 | Store absorber composition information in fMLayers and fZLayers |
20 | Rear 25 cm Fe + 35 cm Cu |
21 | |
381ec9af |
22 | Revision 1.7 2000/10/02 21:28:15 fca |
23 | Removal of useless dependecies via forward declarations |
24 | |
94de3818 |
25 | Revision 1.6 2000/06/15 09:40:31 morsch |
26 | Obsolete typedef keyword removed |
27 | |
56f14ac2 |
28 | Revision 1.5 2000/06/12 19:39:01 morsch |
29 | New structure of beam pipe and heating jacket. |
30 | |
b2ef5f06 |
31 | Revision 1.4 2000/04/03 08:13:40 fca |
32 | Introduce extra scope for non ANSI compliant C++ compilers |
33 | |
74c0d076 |
34 | Revision 1.3 2000/01/18 17:49:56 morsch |
35 | Serious overlap of ABSM with shield corrected |
36 | Small error in ARPB parameters corrected |
37 | |
85d164ab |
38 | Revision 1.2 2000/01/13 11:23:59 morsch |
39 | Last layer of Pb outer angle corrected |
40 | |
54fba644 |
41 | Revision 1.1 2000/01/12 15:39:30 morsch |
b2ef5f06 |
42 | Standard version of ABSO |
54fba644 |
43 | |
43d014f0 |
44 | */ |
45 | |
46 | /////////////////////////////////////////////////////////////////////////////// |
47 | // // |
48 | // Muon ABSOrber // |
49 | // This class contains the description of the muon absorber geometry // |
50 | // // |
51 | //Begin_Html |
52 | /* |
53 | <img src="picts/AliABSOClass.gif"> |
54 | </pre> |
55 | <br clear=left> |
56 | <font size=+2 color=red> |
57 | <p>The responsible person for this module is |
58 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. |
59 | </font> |
60 | <pre> |
61 | */ |
62 | //End_Html |
63 | // // |
64 | // // |
65 | /////////////////////////////////////////////////////////////////////////////// |
66 | |
67 | #include "AliABSOv0.h" |
68 | #include "AliRun.h" |
94de3818 |
69 | #include "AliMC.h" |
43d014f0 |
70 | #include "AliConst.h" |
b2ef5f06 |
71 | |
43d014f0 |
72 | ClassImp(AliABSOv0) |
73 | |
74 | //_____________________________________________________________________________ |
75 | AliABSOv0::AliABSOv0() |
76 | { |
77 | // |
78 | // Default constructor |
79 | // |
80 | } |
81 | |
82 | //_____________________________________________________________________________ |
83 | AliABSOv0::AliABSOv0(const char *name, const char *title) |
84 | : AliABSO(name,title) |
85 | { |
86 | // |
87 | // Standard constructor |
88 | // |
89 | SetMarkerColor(7); |
90 | SetMarkerStyle(2); |
91 | SetMarkerSize(0.4); |
92 | } |
93 | |
94 | //_____________________________________________________________________________ |
95 | void AliABSOv0::CreateGeometry() |
96 | { |
b2ef5f06 |
97 | // |
98 | // Creation of the geometry of the muon absorber |
99 | // |
100 | //Begin_Html |
101 | /* |
102 | <img src="picts/AliABSOv0Tree.gif"> |
103 | */ |
104 | //End_Html |
105 | //Begin_Html |
106 | /* |
107 | <img src="picts/AliABSOv0.gif"> |
108 | */ |
109 | //End_Html |
110 | |
111 | // |
112 | // |
56f14ac2 |
113 | |
114 | enum {kC=1605, kAl=1608, kFe=1609, kCu=1610, kW=1611, kPb=1612, |
b2ef5f06 |
115 | kNiCuW=1620, kVacuum=1615, kAir=1614, kConcrete=1616, |
381ec9af |
116 | kPolyCH2=1617, kSteel=1609, kInsulation=1613, kPolyCc=1619}; |
b2ef5f06 |
117 | |
118 | Int_t *idtmed = fIdtmed->GetArray()-1599; |
43d014f0 |
119 | |
b2ef5f06 |
120 | Float_t par[24], cpar[5], cpar0[5], pcpar[12], tpar[3], tpar0[3]; |
121 | Float_t dz; |
b2ef5f06 |
122 | #include "ABSOSHILConst.h" |
123 | #include "ABSOConst.h" |
381ec9af |
124 | // |
125 | // Structure of Tracking Region |
126 | // |
127 | Float_t dzFe = 25.; |
128 | |
129 | // 3 < theta < 9 |
130 | fNLayers[0] = 5; |
131 | fMLayers[0][0] = kAir; fZLayers[0][0] = zAbsStart; |
132 | fMLayers[0][1] = kC; fZLayers[0][1] = zAbsCc; |
133 | fMLayers[0][2] = kConcrete; fZLayers[0][2] = zRear-dRear-dzFe; |
134 | fMLayers[0][3] = kFe; fZLayers[0][3] = zRear-dRear; |
135 | fMLayers[0][4] = kCu; fZLayers[0][4] = zRear; |
136 | // 2 < theta < 3 |
137 | fNLayers[1] = 5; |
138 | fMLayers[1][0] = fMLayers[0][0]; fZLayers[1][0] = fZLayers[0][0]; |
139 | fMLayers[1][1] = fMLayers[0][1]; fZLayers[1][1] = fZLayers[0][1]; |
140 | fMLayers[1][2] = fMLayers[0][2]; fZLayers[1][2] = fZLayers[0][2]; |
141 | fMLayers[1][3] = fMLayers[0][3]; fZLayers[1][3] = fZLayers[0][3]; |
142 | fMLayers[1][4] = kNiCuW; fZLayers[1][4] = fZLayers[0][4]; |
143 | // |
144 | |
b2ef5f06 |
145 | Float_t dTube=0.1; // tube thickness |
146 | Float_t dInsu=0.5; // insulation thickness |
147 | Float_t dEnve=0.1; // protective envelope thickness |
148 | Float_t dFree=0.5; // clearance thickness |
149 | |
150 | |
151 | // Mother volume and outer shielding: Pb |
43d014f0 |
152 | par[0] = 0.; |
153 | par[1] = 360.; |
154 | par[2] = 7.; |
b2ef5f06 |
155 | |
156 | par[3] = -(zRear-zAbsStart)/2.; |
157 | par[4] = rAbs; |
158 | par[5] = zAbsStart * TMath::Tan(theta1); |
43d014f0 |
159 | |
b2ef5f06 |
160 | par[6] = par[3]+(zNose-zAbsStart); |
161 | par[7] = rAbs; |
162 | par[8] = zNose * TMath::Tan(theta1); |
43d014f0 |
163 | |
b2ef5f06 |
164 | par[9] = par[3]+(zConeTPC-zAbsStart); |
165 | par[10] = rAbs; |
43d014f0 |
166 | par[11] = par[8] + (par[9] - par[6]) * TMath::Tan(theta2); |
167 | |
b2ef5f06 |
168 | par[12] = par[3]+(zOpen-zAbsStart); |
169 | par[13] = rAbs; |
170 | par[14] = par[11] + (par[12] - par[9]) * TMath::Tan(accMax); |
43d014f0 |
171 | |
b2ef5f06 |
172 | par[15] = par[3]+(zRear-dRear-zAbsStart); |
173 | par[16] = rAbs + (par[15] - par[12]) * TMath::Tan(thetaOpen1) ; |
174 | par[17] = par[14] + (par[15] - par[12]) * TMath::Tan(accMax); |
43d014f0 |
175 | |
b2ef5f06 |
176 | par[18] = par[3]+(zRear-dRear-zAbsStart); |
177 | par[19] = (zRear-dRear) * TMath::Tan(accMin); |
178 | par[20] = par[14] + (par[18] - par[12]) * TMath::Tan(accMax); |
43d014f0 |
179 | |
180 | par[21] = -par[3]; |
b2ef5f06 |
181 | par[22] = zRear* TMath::Tan(accMin); |
182 | par[23] = par[20] + (par[21] - par[18]) * TMath::Tan(accMax); |
183 | gMC->Gsvolu("ABSS", "PCON", idtmed[kPb], par, 24); |
74c0d076 |
184 | { // Begin local scope for i |
b2ef5f06 |
185 | for (Int_t i=4; i<18; i+=3) par[i] = 0; |
74c0d076 |
186 | } // End local scope for i |
b2ef5f06 |
187 | gMC->Gsvolu("ABSM", "PCON", idtmed[kVacuum+40], par, 24); |
43d014f0 |
188 | gMC->Gspos("ABSS", 1, "ABSM", 0., 0., 0., 0, "ONLY"); |
189 | |
190 | // |
191 | // Steel envelope |
192 | // |
b2ef5f06 |
193 | par[4] = par[5] -dSteel; |
194 | par[7] = par[8] -dSteel; |
195 | par[10]= par[11]-dSteel; |
196 | par[13]= par[14]-dSteel; |
197 | par[16]= par[17]-dSteel; |
198 | par[19]= par[20]-dSteel; |
199 | par[22]= par[23]-dSteel; |
200 | gMC->Gsvolu("ABST", "PCON", idtmed[kSteel], par, 24); |
43d014f0 |
201 | gMC->Gspos("ABST", 1, "ABSS", 0., 0., 0., 0, "ONLY"); |
202 | // |
203 | // Polyethylene shield |
204 | // |
b2ef5f06 |
205 | cpar[0] = (zRear - zConeTPC) / 2.; |
206 | cpar[1] = zConeTPC * TMath::Tan(accMax); |
207 | cpar[2] = cpar[1] + dPoly; |
208 | cpar[3] = zRear * TMath::Tan(accMax); |
209 | cpar[4] = cpar[3] + dPoly; |
210 | gMC->Gsvolu("APOL", "CONE", idtmed[kPolyCH2+40], cpar, 5); |
211 | dz = (zRear-zAbsStart)/2.-cpar[0]; |
43d014f0 |
212 | gMC->Gspos("APOL", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
213 | |
214 | // |
215 | // Tungsten nose to protect TPC |
216 | // |
b2ef5f06 |
217 | cpar[0] = (zNose - zAbsStart) / 2.; |
218 | cpar[1] = zAbsStart * TMath::Tan(accMax); |
219 | cpar[2] = zAbsStart * TMath::Tan(theta1)-dSteel; |
220 | cpar[3] = zNose * TMath::Tan(accMax); |
221 | cpar[4] = zNose * TMath::Tan(theta1)-dSteel; |
222 | gMC->Gsvolu("ANOS", "CONE", idtmed[kW], cpar, 5); |
223 | // |
224 | dz = -(zRear-zAbsStart)/2.+cpar[0]; |
43d014f0 |
225 | gMC->Gspos("ANOS", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
226 | // |
227 | // Tungsten inner shield |
228 | // |
b2ef5f06 |
229 | Float_t zW=zTwoDeg+.1; |
230 | Float_t dZ = zW+(zRear-dRear-zW)/2.; |
43d014f0 |
231 | // |
b2ef5f06 |
232 | pcpar[0] = 0.; |
233 | pcpar[1] = 360.; |
234 | pcpar[2] = 3.; |
235 | pcpar[3] = zW-dZ; |
236 | pcpar[4] = rAbs; |
237 | pcpar[5] = zW * TMath::Tan(accMin); |
238 | pcpar[6] = zOpen-dZ; |
239 | pcpar[7] = rAbs; |
240 | pcpar[8] = zOpen * TMath::Tan(accMin); |
241 | pcpar[9] = zRear-dRear-dZ; |
242 | pcpar[10] = rAbs+(zRear-dRear-zOpen) * TMath::Tan(thetaOpen1); |
243 | pcpar[11] = (zRear-dRear) * TMath::Tan(accMin); |
244 | |
245 | gMC->Gsvolu("AWIN", "PCON", idtmed[kNiCuW+40], pcpar, 12); |
246 | // |
247 | dz=(zW+zRear-dRear)/2-(zAbsStart+zRear)/2.; |
43d014f0 |
248 | gMC->Gspos("AWIN", 1, "ABSS", 0., 0., dz, 0, "ONLY"); |
249 | |
250 | // Inner tracking region |
251 | // |
381ec9af |
252 | // mother volume: Cu |
43d014f0 |
253 | // |
254 | pcpar[0] = 0.; |
255 | pcpar[1] = 360.; |
256 | pcpar[2] = 3.; |
b2ef5f06 |
257 | pcpar[3] = -(zRear-zAbsStart)/2.; |
258 | pcpar[4] = rAbs; |
259 | pcpar[5] = zAbsStart * TMath::Tan(accMax); |
260 | pcpar[6] = pcpar[3]+(zTwoDeg-zAbsStart); |
261 | pcpar[7] = rAbs; |
262 | pcpar[8] = zTwoDeg * TMath::Tan(accMax); |
85d164ab |
263 | pcpar[9] = -pcpar[3]; |
b2ef5f06 |
264 | pcpar[10] = zRear * TMath::Tan(accMin); |
265 | pcpar[11] = zRear * TMath::Tan(accMax); |
381ec9af |
266 | gMC->Gsvolu("AITR", "PCON", idtmed[fMLayers[0][4]], pcpar, 12); |
43d014f0 |
267 | // |
268 | // special Pb medium for last 5 cm of Pb |
b2ef5f06 |
269 | Float_t zr=zRear-2.-0.001; |
270 | cpar[0] = 1.0; |
271 | cpar[1] = zr * TMath::Tan(thetaR); |
272 | cpar[2] = zr * TMath::Tan(accMax); |
273 | cpar[3] = cpar[1] + TMath::Tan(thetaR) * 2; |
274 | cpar[4] = cpar[2] + TMath::Tan(accMax) * 2; |
381ec9af |
275 | gMC->Gsvolu("ARPB", "CONE", idtmed[fMLayers[0][4]], cpar, 5); |
b2ef5f06 |
276 | dz=(zRear-zAbsStart)/2.-cpar[0]-0.001; |
43d014f0 |
277 | gMC->Gspos("ARPB", 1, "AITR", 0., 0., dz, 0, "ONLY"); |
43d014f0 |
278 | // |
279 | // concrete cone: concrete |
280 | // |
b2ef5f06 |
281 | pcpar[9] = pcpar[3]+(zRear-dRear-zAbsStart); |
282 | pcpar[10] = (zRear-dRear) * TMath::Tan(accMin); |
283 | pcpar[11] = (zRear-dRear) * TMath::Tan(accMax); |
381ec9af |
284 | gMC->Gsvolu("ACON", "PCON", idtmed[fMLayers[0][2]+40], pcpar, 12); |
43d014f0 |
285 | gMC->Gspos("ACON", 1, "AITR", 0., 0., 0., 0, "ONLY"); |
381ec9af |
286 | // |
287 | // Fe Cone |
288 | // |
289 | zr = zRear-dRear-dzFe; |
290 | cpar[0] = dzFe/2.; |
291 | cpar[1] = zr * TMath::Tan(accMin); |
292 | cpar[2] = zr * TMath::Tan(accMax); |
293 | cpar[3] = cpar[1] + TMath::Tan(thetaR) * dzFe; |
294 | cpar[4] = cpar[2] + TMath::Tan(accMax) * dzFe; |
295 | gMC->Gsvolu("ACFE", "CONE",idtmed[fMLayers[0][3]], cpar, 5); |
296 | |
297 | dz = (zRear-zAbsStart)/2.-dRear-dzFe/2.; |
298 | |
299 | gMC->Gspos("ACFE", 1, "ACON", 0., 0., dz, 0, "ONLY"); |
300 | |
301 | |
302 | // |
43d014f0 |
303 | // |
304 | // carbon cone: carbon |
305 | // |
b2ef5f06 |
306 | pcpar[9] = pcpar[3]+(zAbsCc-zAbsStart); |
307 | pcpar[10] = zAbsCc * TMath::Tan(accMin); |
308 | pcpar[11] = zAbsCc * TMath::Tan(accMax); |
381ec9af |
309 | gMC->Gsvolu("ACAR", "PCON", idtmed[fMLayers[0][1]+40], pcpar, 12); |
43d014f0 |
310 | gMC->Gspos("ACAR", 1, "ACON", 0., 0., 0., 0, "ONLY"); |
b2ef5f06 |
311 | // |
312 | // carbon cone outer region |
313 | // |
314 | cpar[0] = 10.; |
315 | cpar[1] = rAbs; |
316 | cpar[2] = zAbsStart* TMath::Tan(accMax); |
317 | cpar[3] = rAbs; |
318 | cpar[4] = cpar[2]+2. * cpar[0] * TMath::Tan(accMax); |
319 | |
381ec9af |
320 | gMC->Gsvolu("ACAO", "CONE", idtmed[fMLayers[0][1]], cpar, 5); |
b2ef5f06 |
321 | dz=-(zRear-zAbsStart)/2.+cpar[0]; |
322 | gMC->Gspos("ACAO", 1, "ACAR", 0., 0., dz, 0, "ONLY"); |
43d014f0 |
323 | // |
324 | // inner W shield |
b2ef5f06 |
325 | Float_t epsi=0.; |
326 | Float_t repsi=1.; |
327 | |
328 | zr=zRear-(dRear-epsi); |
329 | cpar[0] = (dRear-epsi)/2.; |
330 | cpar[1] = zr * TMath::Tan(accMin); |
331 | cpar[2] = zr * TMath::Tan(thetaR*repsi); |
332 | cpar[3] = cpar[1] + TMath::Tan(accMin) * (dRear-epsi); |
333 | cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * (dRear-epsi); |
381ec9af |
334 | gMC->Gsvolu("ARW0", "CONE", idtmed[fMLayers[1][4]+40], cpar, 5); |
b2ef5f06 |
335 | dz=(zRear-zAbsStart)/2.-cpar[0]; |
43d014f0 |
336 | gMC->Gspos("ARW0", 1, "AITR", 0., 0., dz, 0, "ONLY"); |
337 | // |
338 | // special W medium for last 5 cm of W |
b2ef5f06 |
339 | zr=zRear-5; |
43d014f0 |
340 | cpar[0] = 2.5; |
b2ef5f06 |
341 | cpar[1] = zr * TMath::Tan(accMin); |
342 | cpar[2] = zr * TMath::Tan(thetaR*repsi); |
343 | cpar[3] = cpar[1] + TMath::Tan(accMin) * 5.; |
344 | cpar[4] = cpar[2] + TMath::Tan(thetaR*repsi) * 5.; |
381ec9af |
345 | gMC->Gsvolu("ARW1", "CONE", idtmed[fMLayers[1][4]+20], cpar, 5); |
b2ef5f06 |
346 | dz=(dRear-epsi)/2.-cpar[0]; |
43d014f0 |
347 | gMC->Gspos("ARW1", 1, "ARW0", 0., 0., dz, 0, "ONLY"); |
348 | // |
381ec9af |
349 | // Cu |
b2ef5f06 |
350 | Float_t drMin=TMath::Tan(thetaR) * 5; |
351 | Float_t drMax=TMath::Tan(accMax) * 5; |
381ec9af |
352 | gMC->Gsvolu("ARPE", "CONE", idtmed[fMLayers[0][4]], cpar, 0); |
43d014f0 |
353 | cpar[0]=2.5; |
74c0d076 |
354 | { // Begin local scope for i |
b2ef5f06 |
355 | for (Int_t i=0; i<3; i++) { |
356 | zr=zRear-dRear+5+i*10.; |
357 | cpar[1] = zr * TMath::Tan(thetaR); |
358 | cpar[2] = zr * TMath::Tan(accMax); |
359 | cpar[3] = cpar[1] + drMin; |
360 | cpar[4] = cpar[2] + drMax; |
361 | dz=(zRear-zAbsStart)/2.-cpar[0]-5.-(2-i)*10; |
362 | gMC->Gsposp("ARPE", i+1, "AITR", 0., 0., dz, 0, "ONLY",cpar,5); |
363 | } |
74c0d076 |
364 | } // End local scope for i |
43d014f0 |
365 | gMC->Gspos("AITR", 1, "ABSS", 0., 0., 0., 0, "ONLY"); |
b2ef5f06 |
366 | dz = (zRear-zAbsStart)/2.+zAbsStart; |
43d014f0 |
367 | gMC->Gspos("ABSM", 1, "ALIC", 0., 0., dz, 0, "ONLY"); |
368 | // |
369 | // |
370 | // vacuum system |
371 | // |
372 | // pipe and heating jackets |
373 | // |
374 | // |
375 | // cylindrical piece |
b2ef5f06 |
376 | tpar0[2]=(zOpen-zAbsStart)/2; |
377 | tpar0[0]=rVacu; |
378 | tpar0[1]=rAbs; |
379 | gMC->Gsvolu("AV11", "TUBE", idtmed[kSteel+40], tpar0, 3); |
43d014f0 |
380 | // |
381 | // insulation |
b2ef5f06 |
382 | |
43d014f0 |
383 | tpar[2]=tpar0[2]; |
b2ef5f06 |
384 | tpar[0]=rVacu+dTube; |
385 | tpar[1]=tpar[0]+dInsu; |
386 | gMC->Gsvolu("AI11", "TUBE", idtmed[kInsulation+40], tpar, 3); |
43d014f0 |
387 | gMC->Gspos("AI11", 1, "AV11", 0., 0., 0., 0, "ONLY"); |
388 | // |
b2ef5f06 |
389 | // clearance |
390 | tpar[0]=tpar[1]+dEnve; |
391 | tpar[1]=tpar[0]+dFree; |
392 | gMC->Gsvolu("AP11", "TUBE", idtmed[kAir+40], tpar, 3); |
43d014f0 |
393 | gMC->Gspos("AP11", 1, "AV11", 0., 0., 0., 0, "ONLY"); |
b2ef5f06 |
394 | // |
395 | dz=-(zRear-zAbsStart)/2.+tpar0[2]; |
43d014f0 |
396 | gMC->Gspos("AV11", 1, "ABSM", 0., 0., dz, 0, "ONLY"); |
43d014f0 |
397 | // |
398 | // conical piece |
b2ef5f06 |
399 | |
400 | cpar0[0]=(zRear-dRear-zOpen)/2; |
401 | cpar0[1]=rVacu-0.05; |
402 | cpar0[2]=rAbs; |
403 | Float_t dR=2.*cpar0[0]*TMath::Tan(thetaOpen1); |
404 | cpar0[3]=cpar0[1]+dR; |
405 | cpar0[4]=cpar0[2]+dR; |
406 | gMC->Gsvolu("AV21", "CONE", idtmed[kSteel+40], cpar0, 5); |
407 | dTube+=0.05; |
408 | |
43d014f0 |
409 | // |
410 | // insulation |
411 | cpar[0]=cpar0[0]; |
b2ef5f06 |
412 | cpar[1]=cpar0[1]+dTube; |
413 | cpar[2]=cpar0[1]+dTube+dInsu; |
414 | cpar[3]=cpar0[3]+dTube; |
415 | cpar[4]=cpar0[3]+dTube+dInsu; |
416 | gMC->Gsvolu("AI21", "CONE", idtmed[kInsulation+40], cpar, 5); |
43d014f0 |
417 | gMC->Gspos("AI21", 1, "AV21", 0., 0., 0., 0, "ONLY"); |
418 | // |
419 | // clearance |
b2ef5f06 |
420 | cpar[1]=cpar0[1]+dTube+dInsu+dEnve; |
421 | cpar[2]=rAbs; |
422 | cpar[3]=cpar0[1]+dTube+dInsu+dEnve+dR; |
423 | cpar[4]=rAbs+dR; |
424 | |
425 | gMC->Gsvolu("AP21", "CONE", idtmed[kAir+40], cpar, 5); |
43d014f0 |
426 | gMC->Gspos("AP21", 1, "AV21", 0., 0., 0., 0, "ONLY"); |
427 | |
b2ef5f06 |
428 | dz=(zRear-zAbsStart)/2.-cpar0[0]-dRear; |
43d014f0 |
429 | gMC->Gspos("AV21", 1, "ABSM", 0., 0., dz, 0, "ONLY"); |
381ec9af |
430 | // |
431 | // Support cone |
432 | |
433 | par[0] = 0.; |
434 | par[1] = 360.; |
435 | par[2] = 4.; |
436 | |
437 | par[3] = zRear; |
438 | par[4] = 100.; |
439 | par[5] = 170.; |
440 | |
441 | par[6] = zRear+2.; |
442 | par[7] = 100.; |
443 | par[8] = 170.; |
444 | |
445 | par[9] = zRear+2.; |
446 | par[10] = 168.; |
447 | par[11] = 170.; |
448 | |
449 | par[12] = 600.; |
450 | par[13] = 168.; |
451 | par[14] = 170.; |
452 | |
453 | |
454 | gMC->Gsvolu("ASSS", "PCON", idtmed[kSteel], par, 25); |
455 | gMC->Gspos("ASSS", 1, "ALIC", 0., 0., 0., 0, "ONLY"); |
456 | |
457 | |
43d014f0 |
458 | } |
459 | |
460 | //_____________________________________________________________________________ |
461 | |
462 | void AliABSOv0::Init() |
463 | { |
464 | // |
465 | // Initialisation of the muon absorber after it has been built |
466 | Int_t i; |
467 | // |
9e1a0ddb |
468 | if(fDebug) { |
469 | printf("\n%s: ",ClassName()); |
470 | for(i=0;i<35;i++) printf("*"); |
471 | printf(" ABSOv0_INIT "); |
472 | for(i=0;i<35;i++) printf("*"); |
473 | printf("\n%s: ",ClassName()); |
474 | // |
475 | for(i=0;i<80;i++) printf("*"); |
476 | printf("\n"); |
477 | } |
43d014f0 |
478 | } |
479 | |
480 | |
481 | |
482 | |
483 | |
484 | |
485 | |
486 | |
487 | |
488 | |