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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 <TGeoGlobalMagField.h> | |
33 | ||
34 | #include "AliSHIL.h" | |
35 | #include "AliRun.h" | |
36 | #include "AliMagF.h" | |
37 | #include "AliConst.h" | |
38 | #include "AliLog.h" | |
39 | ||
40 | ClassImp(AliSHIL) | |
41 | ||
42 | //_____________________________________________________________________________ | |
43 | AliSHIL::AliSHIL() | |
44 | { | |
45 | // | |
46 | // Default constructor for muon shield | |
47 | // | |
48 | } | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | AliSHIL::AliSHIL(const char *name, const char *title) | |
52 | : AliModule(name,title) | |
53 | { | |
54 | // | |
55 | // Standard constructor for muon shield | |
56 | // | |
57 | //PH SetMarkerColor(7); | |
58 | //PH SetMarkerStyle(2); | |
59 | //PH SetMarkerSize(0.4); | |
60 | } | |
61 | ||
62 | //_____________________________________________________________________________ | |
63 | void AliSHIL::CreateGeometry() | |
64 | { | |
65 | // | |
66 | // Build muon shield geometry | |
67 | // | |
68 | } | |
69 | ||
70 | //_____________________________________________________________________________ | |
71 | void AliSHIL::CreateMaterials() | |
72 | { | |
73 | // | |
74 | // Defines materials for the muon shield | |
75 | // | |
76 | Int_t isxfld1 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
77 | Int_t isxfld2 = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->PrecInteg(); | |
78 | ||
79 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
80 | // Steel | |
81 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
82 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
83 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
84 | // PbW | |
85 | Float_t apbw[2] = { 207.2,183.85 }; | |
86 | Float_t zpbw[2] = { 82.,74. }; | |
87 | Float_t wpbw[2] = { .5,.5 }; | |
88 | // Concrete | |
89 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98, | |
90 | 28.086,39.1,40.08,55.85 }; | |
91 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
92 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872, | |
93 | .337021,.013,.044,.014 }; | |
94 | // Ni-Cu-W alloy | |
95 | Float_t aniwcu[3] ={58.6934, 183.84, 63.546}; | |
96 | Float_t zniwcu[3] ={28., 74., 29.}; | |
97 | Float_t wniwcu[3] ={ 0.015, 0.95, 0.035}; | |
98 | // | |
99 | // Insulation powder | |
100 | // Si O Ti Al | |
101 | Float_t ains[4] ={28.0855, 15.9994, 47.867, 26.982}; | |
102 | Float_t zins[4] ={14., 8. , 22. , 13. }; | |
103 | Float_t wins[4] ={ 0.3019, 0.4887, 0.1914, 0.018}; | |
104 | // | |
105 | // Air | |
106 | // | |
107 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
108 | Float_t zAir[4]={6.,7.,8.,18.}; | |
109 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
110 | Float_t dAir = 1.20479E-3; | |
111 | Float_t dAir1 = 1.20479E-10; | |
112 | // | |
113 | // Cast iron | |
114 | // | |
115 | Float_t acasti[4] = {55.847,12.011,28.085,54.938}; | |
116 | Float_t zcasti[4] = {26.,6.,14.,25.}; | |
117 | Float_t wcasti[4] = {0.929,0.035,0.031,0.005}; | |
118 | ||
119 | Float_t epsil, stmin, tmaxfd, deemax, stemax; | |
120 | ||
121 | // STEEL | |
122 | ||
123 | ||
124 | // LEAD/TUNGSTEN MIXTURE | |
125 | ||
126 | ||
127 | // --- Define the various materials for GEANT --- | |
128 | // Aluminum | |
129 | AliMaterial(9, "ALU1 ", 26.98, 13., 2.7, 8.9, 37.2); | |
130 | AliMaterial(29, "ALU2 ", 26.98, 13., 2.7, 8.9, 37.2); | |
131 | AliMaterial(49, "ALU3 ", 26.98, 13., 2.7, 8.9, 37.2); | |
132 | ||
133 | // Iron | |
134 | AliMaterial(10, "IRON1 ", 55.85, 26., 7.87, 1.76, 17.1); | |
135 | AliMaterial(30, "IRON2 ", 55.85, 26., 7.87, 1.76, 17.1); | |
136 | AliMaterial(50, "IRON3 ", 55.85, 26., 7.87, 1.76, 17.1); | |
137 | ||
138 | // | |
139 | // Copper | |
140 | AliMaterial(11, "COPPER1 ", 63.55, 29., 8.96, 1.43, 15.1); | |
141 | AliMaterial(31, "COPPER2 ", 63.55, 29., 8.96, 1.43, 15.1); | |
142 | AliMaterial(51, "COPPER3 ", 63.55, 29., 8.96, 1.43, 15.1); | |
143 | ||
144 | // Tungsten | |
145 | AliMaterial(12, "TUNGSTEN1 ", 183.85, 74., 19.3, .35, 10.3); | |
146 | AliMaterial(32, "TUNGSTEN2 ", 183.85, 74., 19.3, .35, 10.3); | |
147 | AliMaterial(52, "TUNGSTEN3 ", 183.85, 74., 19.3, .35, 10.3); | |
148 | ||
149 | // Lead | |
150 | AliMaterial(13, "LEAD1 ", 207.19, 82., 11.35, .56, 18.5); | |
151 | AliMaterial(33, "LEAD2 ", 207.19, 82., 11.35, .56, 18.5); | |
152 | AliMaterial(53, "LEAD3 ", 207.19, 82., 11.35, .56, 18.5); | |
153 | ||
154 | // Air | |
155 | AliMixture(15, "AIR1 ", aAir, zAir, dAir, 4, wAir); | |
156 | AliMixture(35, "AIR2 ", aAir, zAir, dAir, 4, wAir); | |
157 | AliMixture(55, "AIR3 ", aAir, zAir, dAir, 4, wAir); | |
158 | AliMixture(75, "AIR_MUON ", aAir, zAir, dAir, 4, wAir); | |
159 | ||
160 | // Vacuum | |
161 | AliMixture(16, "VACUUM1 ", aAir, zAir, dAir1, 4, wAir); | |
162 | AliMixture(36, "VACUUM2 ", aAir, zAir, dAir1, 4, wAir); | |
163 | AliMixture(56, "VACUUM3 ", aAir, zAir, dAir1, 4, wAir); | |
164 | ||
165 | // Stainless Steel | |
166 | AliMixture(19, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel); | |
167 | AliMixture(39, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel); | |
168 | AliMixture(59, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel); | |
169 | ||
170 | // Lead/Tungsten | |
171 | AliMixture(20, "LEAD/TUNGSTEN1", apbw, zpbw, 15.325, 2, wpbw); | |
172 | AliMixture(40, "LEAD/TUNGSTEN2", apbw, zpbw, 15.325, 2, wpbw); | |
173 | AliMixture(60, "LEAD/TUNGSTEN3", apbw, zpbw, 15.325, 2, wpbw); | |
174 | ||
175 | // Ni-W-Cu | |
176 | AliMixture(21, "Ni-W-Cu1", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
177 | AliMixture(41, "Ni-W-Cu2", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
178 | AliMixture(61, "Ni-W-Cu3", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
179 | ||
180 | // Concrete | |
181 | AliMixture(17, "CONCRETE1", aconc, zconc, 2.35, 10, wconc); | |
182 | AliMixture(37, "CONCRETE2", aconc, zconc, 2.35, 10, wconc); | |
183 | AliMixture(57, "CONCRETE3", aconc, zconc, 2.35, 10, wconc); | |
184 | ||
185 | // Insulation powder | |
186 | AliMixture(14, "INSULATION1", ains, zins, 0.41, 4, wins); | |
187 | AliMixture(34, "INSULATION2", ains, zins, 0.41, 4, wins); | |
188 | AliMixture(54, "INSULATION3", ains, zins, 0.41, 4, wins); | |
189 | ||
190 | // Cast iron | |
191 | AliMixture(18, "CAST IRON1", acasti, zcasti, 7.2, 4, wcasti); | |
192 | AliMixture(38, "CAST IRON2", acasti, zcasti, 7.2, 4, wcasti); | |
193 | AliMixture(58, "CAST IRON3", acasti, zcasti, 7.2, 4, wcasti); | |
194 | ||
195 | // **************** | |
196 | // Defines tracking media parameters. | |
197 | // Les valeurs sont commentees pour laisser le defaut | |
198 | // a GEANT (version 3-21, page CONS200), f.m. | |
199 | epsil = .001; // Tracking precision, | |
200 | stemax = -1.; // Maximum displacement for multiple scat | |
201 | tmaxfd = -20.; // Maximum angle due to field deflection | |
202 | deemax = -.3; // Maximum fractional energy loss, DLS | |
203 | stmin = -.8; | |
204 | // *************** | |
205 | ||
206 | // Aluminum | |
207 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
208 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
209 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
210 | ||
211 | // Iron | |
212 | AliMedium(10, "FE_C0 ", 10, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
213 | AliMedium(30, "FE_C1 ", 30, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
214 | AliMedium(50, "FE_C2 ", 50, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
215 | ||
216 | // Copper | |
217 | AliMedium(11, "Cu_C0 ", 11, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
218 | AliMedium(31, "Cu_C1 ", 31, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
219 | AliMedium(51, "Cu_C2 ", 51, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
220 | ||
221 | // Tungsten | |
222 | AliMedium(12, "W_C0 ", 12, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
223 | AliMedium(32, "W_C1 ", 32, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
224 | AliMedium(52, "W_C2 ", 52, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
225 | ||
226 | // Lead | |
227 | AliMedium(13, "PB_C0 ", 13, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
228 | AliMedium(33, "PB_C1 ", 33, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
229 | AliMedium(53, "PB_C2 ", 53, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
230 | ||
231 | // Insulation Powder | |
232 | AliMedium(14, "INS_C0 ", 14, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
233 | AliMedium(34, "INS_C1 ", 34, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
234 | AliMedium(54, "INS_C2 ", 54, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
235 | ||
236 | // Air | |
237 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
238 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
239 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
240 | AliMedium(75, "AIR_MUON ", 75, 0, isxfld2, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
241 | ||
242 | // Vacuum | |
243 | AliMedium(16, "VA_C0 ", 16, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
244 | AliMedium(36, "VA_C1 ", 36, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
245 | AliMedium(56, "VA_C2 ", 56, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
246 | ||
247 | // Steel | |
248 | AliMedium(19, "ST_C0 ", 19, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
249 | AliMedium(39, "ST_C1 ", 39, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
250 | AliMedium(59, "ST_C3 ", 59, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
251 | ||
252 | // Lead/Tungsten | |
253 | AliMedium(20, "PB/W0 ", 20, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
254 | AliMedium(40, "PB/W1 ", 40, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
255 | AliMedium(60, "PB/W3 ", 60, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
256 | ||
257 | // Ni/Tungsten | |
258 | AliMedium(21, "Ni/W0 ", 21, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
259 | AliMedium(41, "Ni/W1 ", 41, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
260 | AliMedium(61, "Ni/W3 ", 61, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
261 | ||
262 | // Concrete | |
263 | AliMedium(17, "CC_C0 ", 17, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
264 | AliMedium(37, "CC_C1 ", 37, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
265 | AliMedium(57, "CC_C2 ", 57, 0, 0, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
266 | ||
267 | // Cast iron | |
268 | AliMedium(18, "CAST_IRON0 ", 18, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
269 | AliMedium(38, "CAST_IRON1 ", 38, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
270 | AliMedium(58, "CAST_IRON2 ", 58, 0, isxfld1, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
271 | ||
272 | } | |
273 | ||
274 | //_____________________________________________________________________________ | |
275 | void AliSHIL::Init() | |
276 | { | |
277 | // | |
278 | // Initialise the muon shield after it has been built | |
279 | // | |
280 | Int_t i; | |
281 | // | |
282 | if(AliLog::GetGlobalDebugLevel()>0) { | |
283 | printf("\n%s: ",ClassName()); | |
284 | for(i=0;i<35;i++) printf("*"); | |
285 | printf(" SHIL_INIT "); | |
286 | for(i=0;i<35;i++) printf("*"); | |
287 | printf("\n%s: ",ClassName()); | |
288 | // | |
289 | // Here the SHIL initialisation code (if any!) | |
290 | for(i=0;i<80;i++) printf("*"); | |
291 | printf("\n"); | |
292 | } | |
293 | } | |
294 | ||
295 |