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4c039060 | 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 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Muon ABSOrber // | |
21 | // This class contains the description of the muon absorber geometry // | |
22 | // // | |
23 | //Begin_Html | |
24 | /* | |
1439f98e | 25 | <img src="picts/AliABSOClass.gif"> |
fe4da5cc | 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 | ||
39 | #include "AliABSO.h" | |
40 | #include "AliRun.h" | |
94de3818 | 41 | #include "AliMagF.h" |
fe4da5cc | 42 | #include "AliConst.h" |
43 | ||
44 | ClassImp(AliABSO) | |
45 | ||
46 | //_____________________________________________________________________________ | |
47 | AliABSO::AliABSO() | |
48 | { | |
49 | // | |
50 | // Default constructor | |
51 | // | |
52 | } | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliABSO::AliABSO(const char *name, const char *title) | |
b8032157 | 56 | : AliModule(name,title) |
fe4da5cc | 57 | { |
58 | // | |
59 | // Standard constructor | |
60 | // | |
61 | SetMarkerColor(7); | |
62 | SetMarkerStyle(2); | |
63 | SetMarkerSize(0.4); | |
64 | } | |
65 | ||
fe4da5cc | 66 | //_____________________________________________________________________________ |
67 | void AliABSO::CreateGeometry() | |
68 | { | |
69 | // | |
70 | // Creation of the geometry of the muon absorber | |
71 | // | |
fe4da5cc | 72 | } |
73 | ||
74 | //_____________________________________________________________________________ | |
b8032157 | 75 | void AliABSO::DrawModule() |
fe4da5cc | 76 | { |
77 | // | |
78 | // Draw a shaded view of the muon absorber | |
79 | // | |
fe4da5cc | 80 | } |
81 | ||
3f4d1718 | 82 | |
fe4da5cc | 83 | //_____________________________________________________________________________ |
84 | void AliABSO::CreateMaterials() | |
85 | { | |
86 | // | |
87 | // Define materials for muon absorber | |
88 | // | |
b43eb0dc | 89 | Int_t isxfld = gAlice->Field()->Integ(); |
90 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 91 | |
92 | Float_t apoly[2] = { 12.01,1. }; | |
93 | Float_t zpoly[2] = { 6.,1. }; | |
94 | Float_t wpoly[2] = { .33,.67 }; | |
95 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98, | |
96 | 28.086,39.1,40.08,55.85 }; | |
97 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
98 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872, | |
99 | .337021,.013,.044,.014 }; | |
100 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
101 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
102 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
3f4d1718 | 103 | // |
104 | // | |
105 | // Ni-Cu-W alloy | |
106 | Float_t aniwcu[3] ={58.6934, 183.84, 63.546}; | |
107 | Float_t zniwcu[3] ={28., 74., 29}; | |
108 | Float_t wniwcu[3] ={0.015,0.95,0.035}; | |
f19077cf | 109 | // Poly Concrete |
110 | // H Li F C Al Si Ca Pb O | |
111 | Float_t aPolyCc[9] = {1. , 6.941, 18.998, 12.01, 26.98, 28.086, 40.078, 207.2, 15.999}; | |
112 | Float_t zPolyCc[9] = {1. , 3. , 9. , 6. , 13. , 14. , 20. , 82. , 8. }; | |
113 | Float_t wPolyCc[9] = {4.9, 1.2 , 1.3 , 1.1 , 0.15, 0.02 , 0.06 , 0.7, 1.1 }; | |
114 | Float_t wtot=0; | |
115 | Int_t i=0; | |
116 | ||
117 | for (i=0; i<9; i++) wtot+=wPolyCc[i]; | |
118 | for (i=0; i<9; i++) wPolyCc[i]/=wtot; | |
119 | ||
3f4d1718 | 120 | // |
121 | // Insulation powder | |
9af0a493 | 122 | // Si O Ti Al |
123 | Float_t ains[4] ={28.0855, 15.9994, 47.867, 26.982}; | |
124 | Float_t zins[4] ={14., 8. , 22. , 13. }; | |
125 | Float_t wins[4] ={ 0.3019, 0.4887, 0.1914, 0.018}; | |
3f4d1718 | 126 | // |
fe4da5cc | 127 | Float_t epsil, stmin, tmaxfd, deemax, stemax; |
128 | // | |
129 | // Carbon | |
f19077cf | 130 | AliMaterial( 6, "CARBON$ ", 12.01, 6., 1.75, 24.4, 49.9); |
131 | AliMaterial(26, "CARBON$ ", 12.01, 6., 1.75, 24.4, 49.9); | |
132 | AliMaterial(46, "CARBON$ ", 12.01, 6., 1.75, 24.4, 49.9); | |
fe4da5cc | 133 | // |
134 | // Aluminum | |
3f4d1718 | 135 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); |
fe4da5cc | 136 | AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); |
137 | AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
138 | // | |
139 | // Iron | |
140 | AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
141 | AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
142 | AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
143 | // | |
9af0a493 | 144 | // Copper |
145 | AliMaterial(11, "COPPER$ ", 63.55, 29., 8.96, 1.43, 15.1); | |
146 | AliMaterial(31, "COPPER$ ", 63.55, 29., 8.96, 1.43, 15.1); | |
147 | AliMaterial(51, "COPPER$ ", 63.55, 29., 8.96, 1.43, 15.1); | |
148 | // | |
fe4da5cc | 149 | // Tungsten |
150 | AliMaterial(12, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3); | |
151 | AliMaterial(32, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3); | |
152 | AliMaterial(52, "TUNGSTEN$ ", 183.85, 74., 19.3, .35, 10.3); | |
153 | // | |
3f4d1718 | 154 | // Ni-W-Cu |
155 | AliMixture(21, "Ni-W-Cu$", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
156 | AliMixture(41, "Ni-W-Cu$", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
157 | AliMixture(61, "Ni-W-Cu$", aniwcu, zniwcu, 18.78, 3, wniwcu); | |
158 | // | |
fe4da5cc | 159 | // Lead |
160 | AliMaterial(13, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5); | |
161 | AliMaterial(33, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5); | |
162 | AliMaterial(53, "LEAD$ ", 207.19, 82., 11.35, .56, 18.5); | |
163 | // | |
164 | // Air | |
165 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
166 | AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
167 | AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
168 | // | |
169 | // Vacuum | |
170 | AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
171 | AliMaterial(36, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
172 | AliMaterial(56, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16); | |
173 | // | |
174 | // Concrete | |
175 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
176 | AliMixture(37, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
177 | AliMixture(57, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
178 | // | |
179 | // Poly CH2 | |
180 | AliMixture(18, "POLYETHYLEN$", apoly, zpoly, .95, -2, wpoly); | |
181 | // | |
182 | // After a call with ratios by number (negative number of elements), | |
183 | // the ratio array is changed to the ratio by weight, so all successive | |
184 | // calls with the same array must specify the number of elements as | |
185 | // positive | |
186 | // | |
187 | AliMixture(38, "POLYETHYLEN$", apoly, zpoly, .95, 2, wpoly); | |
188 | AliMixture(58, "POLYETHYLEN$", apoly, zpoly, .95, 2, wpoly); | |
189 | // | |
190 | // stainless Steel | |
191 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
192 | AliMixture(39, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
193 | AliMixture(59, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
3f4d1718 | 194 | // |
195 | // Insulation powder | |
9af0a493 | 196 | AliMixture(14, "INSULATION$", ains, zins, 0.41, 4, wins); |
197 | AliMixture(34, "INSULATION$", ains, zins, 0.41, 4, wins); | |
198 | AliMixture(54, "INSULATION$", ains, zins, 0.41, 4, wins); | |
f19077cf | 199 | // Polymere Concrete |
200 | AliMixture(20, "Poly Concrete$", aPolyCc, zPolyCc, 3.53, -9, wPolyCc); | |
201 | AliMixture(40, "Poly Concrete$", aPolyCc, zPolyCc, 3.53, 9, wPolyCc); | |
202 | AliMixture(60, "Poly Concrete$", aPolyCc, zPolyCc, 3.53, 9, wPolyCc); | |
3f4d1718 | 203 | |
fe4da5cc | 204 | // |
205 | // **************** | |
206 | // Defines tracking media parameters. | |
207 | // | |
3f4d1718 | 208 | epsil = .001; // Tracking precision, |
209 | stemax = -0.01; // Maximum displacement for multiple scat | |
210 | tmaxfd = -20.; // Maximum angle due to field deflection | |
211 | deemax = -.3; // Maximum fractional energy loss, DLS | |
fe4da5cc | 212 | stmin = -.8; |
213 | // *************** | |
214 | // | |
215 | // Carbon | |
b43eb0dc | 216 | AliMedium(6, "C_C0 ", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
217 | AliMedium(26, "C_C1 ", 26, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
218 | AliMedium(46, "C_C2 ", 46, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 219 | // |
220 | // Aluminum | |
b43eb0dc | 221 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
222 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
223 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 224 | // |
225 | // Iron | |
b43eb0dc | 226 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
227 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
228 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 229 | // |
9af0a493 | 230 | // Copper |
b43eb0dc | 231 | AliMedium(11, "Cu_C0 ", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
232 | AliMedium(31, "Cu_C1 ", 31, 0, isxfld, sxmgmx, tmaxfd, -stemax, deemax, epsil, stmin); | |
233 | AliMedium(51, "Cu_C2 ", 51, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
9af0a493 | 234 | // |
fe4da5cc | 235 | // Tungsten |
b43eb0dc | 236 | AliMedium(12, "W_C0 ", 12, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
237 | AliMedium(32, "W_C1 ", 32, 0, isxfld, sxmgmx, tmaxfd, -stemax, deemax, epsil, stmin); | |
238 | AliMedium(52, "W_C2 ", 52, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
3f4d1718 | 239 | // Ni/Tungsten |
b43eb0dc | 240 | AliMedium(21, "Ni/W0 ", 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
241 | AliMedium(41, "Ni/W1 ", 41, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
242 | AliMedium(61, "Ni/W3 ", 61, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 243 | // |
244 | // Lead | |
b43eb0dc | 245 | AliMedium(13, "PB_C0 ", 13, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
246 | AliMedium(33, "PB_C1 ", 33, 0, isxfld, sxmgmx, tmaxfd, -stemax, deemax, epsil, stmin); | |
247 | AliMedium(53, "PB_C2 ", 53, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 248 | // |
3f4d1718 | 249 | // Insulation Powder |
b43eb0dc | 250 | AliMedium(14, "INS_C0 ", 14, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
251 | AliMedium(34, "INS_C1 ", 34, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
252 | AliMedium(54, "INS_C2 ", 54, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
3f4d1718 | 253 | // |
fe4da5cc | 254 | // Air |
b43eb0dc | 255 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
256 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
257 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 258 | // |
259 | // Vacuum | |
b43eb0dc | 260 | AliMedium(16, "VA_C0 ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
261 | AliMedium(36, "VA_C1 ", 36, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
262 | AliMedium(56, "VA_C2 ", 56, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 263 | // |
264 | // Concrete | |
b43eb0dc | 265 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
266 | AliMedium(37, "CC_C1 ", 37, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
267 | AliMedium(57, "CC_C2 ", 57, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 268 | // |
269 | // Polyethilene | |
b43eb0dc | 270 | AliMedium(18, "CH2_C0 ", 18, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
271 | AliMedium(38, "CH2_C1 ", 38, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
272 | AliMedium(58, "CH2_C2 ", 58, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 273 | // |
274 | // Steel | |
b43eb0dc | 275 | AliMedium(19, "ST_C0 ", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); |
276 | AliMedium(39, "ST_C1 ", 39, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
277 | AliMedium(59, "ST_C3 ", 59, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
f19077cf | 278 | // |
279 | // Polymer Concrete | |
280 | AliMedium(20, "PCc_C0 ", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
281 | AliMedium(40, "PCc_C1 ", 40, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
282 | AliMedium(60, "PCc_C3 ", 60, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
fe4da5cc | 283 | } |
284 | ||
285 | //_____________________________________________________________________________ | |
286 | void AliABSO::Init() | |
287 | { | |
288 | // | |
289 | // Initialisation of the muon absorber after it has been built | |
290 | Int_t i; | |
291 | // | |
292 | printf("\n"); | |
293 | for(i=0;i<35;i++) printf("*"); | |
294 | printf(" ABSO_INIT "); | |
295 | for(i=0;i<35;i++) printf("*"); | |
296 | printf("\n"); | |
297 | // | |
298 | for(i=0;i<80;i++) printf("*"); | |
299 | printf("\n"); | |
300 | } | |
301 | ||
eeacf08b | 302 | Int_t AliABSO::GetMatId(Int_t imat) const |
f19077cf | 303 | { |
304 | // Get geant material number | |
305 | Int_t kmat=(*fIdmate)[imat]; | |
306 | return kmat; | |
307 | } |