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[u/mrichter/AliRoot.git] / STRUCT / AliABSO.cxx
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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
44ClassImp(AliABSO)
45
46//_____________________________________________________________________________
47AliABSO::AliABSO()
48{
49 //
50 // Default constructor
51 //
52}
53
54//_____________________________________________________________________________
55AliABSO::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
66//_____________________________________________________________________________
fe4da5cc 67void AliABSO::CreateGeometry()
68{
69 //
70 // Creation of the geometry of the muon absorber
71 //
fe4da5cc 72}
73
74//_____________________________________________________________________________
b8032157 75void AliABSO::DrawModule()
fe4da5cc 76{
77 //
78 // Draw a shaded view of the muon absorber
79 //
fe4da5cc 80}
81
3f4d1718 82
fe4da5cc 83//_____________________________________________________________________________
84void 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$", asteel, zsteel, 7.88, 4, wsteel);
194 //
3f4d1718 195 // Insulation powder
9af0a493 196 AliMixture(14, "INSULATION$", 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
204 //
fe4da5cc 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//_____________________________________________________________________________
286void 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 302Int_t AliABSO::GetMatId(Int_t imat) const
f19077cf 303{
304// Get geant material number
305 Int_t kmat=(*fIdmate)[imat];
306 return kmat;
307}