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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/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Muon Shield Class //
21// This class contains a description of the muon shield //
22// //
23//Begin_Html
24/*
25<img src="picts/AliSHILClass.gif">
26*/
27//End_Html
28// //
29// //
30///////////////////////////////////////////////////////////////////////////////
31
32#include "AliSHIL.h"
33#include "AliRun.h"
34#include "AliMagF.h"
35#include "AliConst.h"
36#include "AliLog.h"
37
38ClassImp(AliSHIL)
39
40//_____________________________________________________________________________
41AliSHIL::AliSHIL()
42{
43 //
44 // Default constructor for muon shield
45 //
46}
47
48//_____________________________________________________________________________
49AliSHIL::AliSHIL(const char *name, const char *title)
50 : AliModule(name,title)
51{
52 //
53 // Standard constructor for muon shield
54 //
55 //PH SetMarkerColor(7);
56 //PH SetMarkerStyle(2);
57 //PH SetMarkerSize(0.4);
58}
59
60//_____________________________________________________________________________
61void AliSHIL::CreateGeometry()
62{
63 //
64 // Build muon shield geometry
65 //
66}
67
68//_____________________________________________________________________________
69void AliSHIL::CreateMaterials()
70{
71 //
72 // Defines materials for the muon shield
73 //
74 Int_t isxfld1 = gAlice->Field()->Integ();
75 Int_t isxfld2 = gAlice->Field()->PrecInteg();
76
77 Float_t sxmgmx = gAlice->Field()->Max();
78// Steel
79 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
80 Float_t zsteel[4] = { 26.,24.,28.,14. };
81 Float_t wsteel[4] = { .715,.18,.1,.005 };
82// PbW
83 Float_t apbw[2] = { 207.2,183.85 };
84 Float_t zpbw[2] = { 82.,74. };
85 Float_t wpbw[2] = { .5,.5 };
86// Concrete
87 Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,
88 28.086,39.1,40.08,55.85 };
89 Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. };
90 Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,
91 .337021,.013,.044,.014 };
92// Ni-Cu-W alloy
93 Float_t aniwcu[3] ={58.6934, 183.84, 63.546};
94 Float_t zniwcu[3] ={28., 74., 29.};
95 Float_t wniwcu[3] ={ 0.015, 0.95, 0.035};
96//
97// Insulation powder
98// Si O Ti Al
99 Float_t ains[4] ={28.0855, 15.9994, 47.867, 26.982};
100 Float_t zins[4] ={14., 8. , 22. , 13. };
101 Float_t wins[4] ={ 0.3019, 0.4887, 0.1914, 0.018};
102//
103// Air
104//
105 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
106 Float_t zAir[4]={6.,7.,8.,18.};
107 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
108 Float_t dAir = 1.20479E-3;
109 Float_t dAir1 = 1.20479E-10;
110
111
112 Float_t epsil, stmin, tmaxfd, deemax, stemax;
113
114 // STEEL
115
116
117 // LEAD/TUNGSTEN MIXTURE
118
119
120 // --- Define the various materials for GEANT ---
121 // Aluminum
122 AliMaterial(9, "ALU1 ", 26.98, 13., 2.7, 8.9, 37.2);
123 AliMaterial(29, "ALU2 ", 26.98, 13., 2.7, 8.9, 37.2);
124 AliMaterial(49, "ALU3 ", 26.98, 13., 2.7, 8.9, 37.2);
125
126 // Iron
127 AliMaterial(10, "IRON1 ", 55.85, 26., 7.87, 1.76, 17.1);
128 AliMaterial(30, "IRON2 ", 55.85, 26., 7.87, 1.76, 17.1);
129 AliMaterial(50, "IRON3 ", 55.85, 26., 7.87, 1.76, 17.1);
130
131 //
132 // Copper
133 AliMaterial(11, "COPPER1 ", 63.55, 29., 8.96, 1.43, 15.1);
134 AliMaterial(31, "COPPER2 ", 63.55, 29., 8.96, 1.43, 15.1);
135 AliMaterial(51, "COPPER3 ", 63.55, 29., 8.96, 1.43, 15.1);
136
137 // Tungsten
138 AliMaterial(12, "TUNGSTEN1 ", 183.85, 74., 19.3, .35, 10.3);
139 AliMaterial(32, "TUNGSTEN2 ", 183.85, 74., 19.3, .35, 10.3);
140 AliMaterial(52, "TUNGSTEN3 ", 183.85, 74., 19.3, .35, 10.3);
141
142 // Lead
143 AliMaterial(13, "LEAD1 ", 207.19, 82., 11.35, .56, 18.5);
144 AliMaterial(33, "LEAD2 ", 207.19, 82., 11.35, .56, 18.5);
145 AliMaterial(53, "LEAD3 ", 207.19, 82., 11.35, .56, 18.5);
146
147 // Air
148 AliMixture(15, "AIR1 ", aAir, zAir, dAir, 4, wAir);
149 AliMixture(35, "AIR2 ", aAir, zAir, dAir, 4, wAir);
150 AliMixture(55, "AIR3 ", aAir, zAir, dAir, 4, wAir);
151 AliMixture(75, "AIR_MUON ", aAir, zAir, dAir, 4, wAir);
152
153 // Vacuum
154 AliMixture(16, "VACUUM1 ", aAir, zAir, dAir1, 4, wAir);
155 AliMixture(36, "VACUUM2 ", aAir, zAir, dAir1, 4, wAir);
156 AliMixture(56, "VACUUM3 ", aAir, zAir, dAir1, 4, wAir);
157
158 // Stainless Steel
159 AliMixture(19, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel);
160 AliMixture(39, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel);
161 AliMixture(59, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel);
162
163 // Lead/Tungsten
164 AliMixture(20, "LEAD/TUNGSTEN1", apbw, zpbw, 15.325, 2, wpbw);
165 AliMixture(40, "LEAD/TUNGSTEN2", apbw, zpbw, 15.325, 2, wpbw);
166 AliMixture(60, "LEAD/TUNGSTEN3", apbw, zpbw, 15.325, 2, wpbw);
167
168 // Ni-W-Cu
169 AliMixture(21, "Ni-W-Cu1", aniwcu, zniwcu, 18.78, 3, wniwcu);
170 AliMixture(41, "Ni-W-Cu2", aniwcu, zniwcu, 18.78, 3, wniwcu);
171 AliMixture(61, "Ni-W-Cu3", aniwcu, zniwcu, 18.78, 3, wniwcu);
172
173 // Concrete
174 AliMixture(17, "CONCRETE1", aconc, zconc, 2.35, 10, wconc);
175 AliMixture(37, "CONCRETE2", aconc, zconc, 2.35, 10, wconc);
176 AliMixture(57, "CONCRETE3", aconc, zconc, 2.35, 10, wconc);
177
178 // Insulation powder
179 AliMixture(14, "INSULATION1", ains, zins, 0.41, 4, wins);
180 AliMixture(34, "INSULATION2", ains, zins, 0.41, 4, wins);
181 AliMixture(54, "INSULATION3", ains, zins, 0.41, 4, wins);
182
183 // ****************
184 // Defines tracking media parameters.
185 // Les valeurs sont commentees pour laisser le defaut
186 // a GEANT (version 3-21, page CONS200), f.m.
187 epsil = .001; // Tracking precision,
188 stemax = -1.; // Maximum displacement for multiple scat
189 tmaxfd = -20.; // Maximum angle due to field deflection
190 deemax = -.3; // Maximum fractional energy loss, DLS
191 stmin = -.8;
192 // ***************
193
194 // Aluminum
195 AliMedium(9, "ALU_C0 ", 9, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
196 AliMedium(29, "ALU_C1 ", 29, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
197 AliMedium(49, "ALU_C2 ", 49, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
198
199 // Iron
200 AliMedium(10, "FE_C0 ", 10, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
201 AliMedium(30, "FE_C1 ", 30, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
202 AliMedium(50, "FE_C2 ", 50, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
203
204 // Copper
205 AliMedium(11, "Cu_C0 ", 11, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
206 AliMedium(31, "Cu_C1 ", 31, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
207 AliMedium(51, "Cu_C2 ", 51, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
208
209 // Tungsten
210 AliMedium(12, "W_C0 ", 12, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
211 AliMedium(32, "W_C1 ", 32, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
212 AliMedium(52, "W_C2 ", 52, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
213
214 // Lead
215 AliMedium(13, "PB_C0 ", 13, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
216 AliMedium(33, "PB_C1 ", 33, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
217 AliMedium(53, "PB_C2 ", 53, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
218
219 // Insulation Powder
220 AliMedium(14, "INS_C0 ", 14, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
221 AliMedium(34, "INS_C1 ", 34, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
222 AliMedium(54, "INS_C2 ", 54, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
223
224 // Air
225 AliMedium(15, "AIR_C0 ", 15, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
226 AliMedium(35, "AIR_C1 ", 35, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
227 AliMedium(55, "AIR_C2 ", 55, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
228 AliMedium(75, "AIR_MUON ", 75, 0, isxfld2, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
229
230 // Vacuum
231 AliMedium(16, "VA_C0 ", 16, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
232 AliMedium(36, "VA_C1 ", 36, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
233 AliMedium(56, "VA_C2 ", 56, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
234
235 // Steel
236 AliMedium(19, "ST_C0 ", 19, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
237 AliMedium(39, "ST_C1 ", 39, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
238 AliMedium(59, "ST_C3 ", 59, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
239
240 // Lead/Tungsten
241 AliMedium(20, "PB/W0 ", 20, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
242 AliMedium(40, "PB/W1 ", 40, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
243 AliMedium(60, "PB/W3 ", 60, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
244
245 // Ni/Tungsten
246 AliMedium(21, "Ni/W0 ", 21, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
247 AliMedium(41, "Ni/W1 ", 41, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
248 AliMedium(61, "Ni/W3 ", 61, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
249
250// Concrete
251 AliMedium(17, "CC_C0 ", 17, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
252 AliMedium(37, "CC_C1 ", 37, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
253 AliMedium(57, "CC_C2 ", 57, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
254
255}
256
257//_____________________________________________________________________________
258void AliSHIL::DrawModule () const
259{
260 // Drawing options
261}
262
263//_____________________________________________________________________________
264void AliSHIL::Init()
265{
266 //
267 // Initialise the muon shield after it has been built
268 //
269 Int_t i;
270 //
271 if(AliLog::GetGlobalDebugLevel()>0) {
272 printf("\n%s: ",ClassName());
273 for(i=0;i<35;i++) printf("*");
274 printf(" SHIL_INIT ");
275 for(i=0;i<35;i++) printf("*");
276 printf("\n%s: ",ClassName());
277 //
278 // Here the SHIL initialisation code (if any!)
279 for(i=0;i<80;i++) printf("*");
280 printf("\n");
281 }
282}
283
284