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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // |
3 | // L3 Magnet // |
4 | // // |
5 | //Begin_Html |
6 | /* |
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7 | <img src="picts/AliMAGClass.gif"> |
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8 | </pre> |
9 | <br clear=left> |
10 | <font size=+2 color=red> |
11 | <p>The responsible person for this module is |
12 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. |
13 | </font> |
14 | <pre> |
15 | */ |
16 | //End_Html |
17 | // // |
18 | /////////////////////////////////////////////////////////////////////////////// |
19 | |
20 | #include "AliMAG.h" |
21 | #include "AliRun.h" |
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22 | |
23 | ClassImp(AliMAG) |
24 | |
25 | //_____________________________________________________________________________ |
26 | AliMAG::AliMAG() |
27 | { |
28 | // |
29 | // Default constructor for L3 magnet |
30 | // |
31 | } |
32 | |
33 | //_____________________________________________________________________________ |
34 | AliMAG::AliMAG(const char *name, const char *title) |
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35 | : AliModule(name,title) |
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36 | { |
37 | // |
38 | // Standard constructor for L3 magnet |
39 | // |
40 | //Begin_Html |
41 | /* |
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42 | <img src="picts/aliMAG.gif"> |
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43 | */ |
44 | //End_Html |
45 | |
46 | SetMarkerColor(7); |
47 | SetMarkerStyle(2); |
48 | SetMarkerSize(0.4); |
49 | } |
50 | |
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51 | //_____________________________________________________________________________ |
52 | void AliMAG::CreateGeometry() |
53 | { |
54 | // |
55 | // Create geometry for L3 magnet |
56 | // |
57 | //Begin_Html |
58 | /* |
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59 | <img src="picts/mag.gif"> |
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60 | */ |
61 | //End_Html |
62 | //Begin_Html |
63 | /* |
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64 | <img src="picts/tree_mag.gif"> |
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65 | */ |
66 | //End_Html |
67 | |
68 | AliMC* pMC = AliMC::GetMC(); |
69 | |
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70 | Int_t *idtmed = fIdtmed->GetArray()-299; |
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71 | |
72 | Float_t dpar[13]; |
73 | Int_t idrotm[399]; |
74 | Float_t par[10]; |
75 | |
76 | // ANGLE POLAIRE MAXIMUM |
77 | |
78 | // Define Mother |
79 | |
80 | par[0] = 22.5; |
81 | par[1] = 360.; |
82 | par[2] = 8.; |
83 | par[3] = 2.; |
84 | par[4] = -600.; |
85 | par[5] = 580.; |
86 | par[6] = 790.; |
87 | par[7] = 600.; |
88 | par[8] = 580.; |
89 | par[9] = 790.; |
90 | pMC->Gsvolu("L3MO", "PGON", idtmed[334], par, 10); |
91 | pMC->Gspos("L3MO", 1, "ALIC", 0., -30., 0., 0, "ONLY"); |
92 | |
93 | // Define coils |
94 | |
95 | par[5] = 585.; |
96 | par[6] = 690.; |
97 | par[8] = 585.; |
98 | par[9] = 690.; |
99 | pMC->Gsvolu("L3CO", "PGON", idtmed[328], par, 10); |
100 | pMC->Gspos("L3CO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); |
101 | |
102 | par[5] = 580.; |
103 | par[6] = 585.; |
104 | par[8] = 580.; |
105 | par[9] = 585.; |
106 | pMC->Gsvolu("L3C1", "PGON", idtmed[308], par, 10); |
107 | pMC->Gspos("L3C1", 1, "L3MO", 0., 0., 0., 0, "ONLY"); |
108 | |
109 | // Define yoke |
110 | |
111 | par[5] = 690.; |
112 | par[6] = 790.; |
113 | par[8] = 690.; |
114 | par[9] = 790.; |
115 | pMC->Gsvolu("L3YO", "PGON", idtmed[329], par, 10); |
116 | pMC->Gspos("L3YO", 1, "L3MO", 0., 0., 0., 0, "ONLY"); |
117 | |
118 | // Define the return yoke of L3 (DOOR) |
119 | |
120 | par[4] = 600.; |
121 | par[5] = 0.; |
122 | par[6] = 790.; |
123 | par[7] = 700.; |
124 | par[8] = par[5]; |
125 | par[9] = par[6]; |
126 | pMC->Gsvolu("L3DO", "PGON", idtmed[334], par, 10); |
127 | |
128 | par[4] = 610.; |
129 | par[5] = 0.; |
130 | par[6] = 790.; |
131 | par[7] = 700.; |
132 | par[8] = par[5]; |
133 | par[9] = par[6]; |
134 | pMC->Gsvolu("L3FR", "PGON", idtmed[329], par, 10); |
135 | |
136 | // INNER LAYER |
137 | |
138 | par[4] = 600.; |
139 | par[7] = 610.; |
140 | pMC->Gsvolu("L3IR", "PGON", idtmed[309], par, 10); |
141 | |
142 | // DOOR OPENING |
143 | |
144 | dpar[0] = 22.5; |
145 | dpar[1] = 360.; |
146 | dpar[2] = 8.; |
147 | dpar[3] = 3.; |
148 | dpar[4] = 610.; |
149 | dpar[5] = 0.; |
150 | dpar[6] = 163.5; |
151 | dpar[7] = 670.; |
152 | dpar[8] = dpar[5]; |
153 | dpar[9] = dpar[6]; |
154 | dpar[10] = 700.; |
155 | dpar[11] = dpar[5]; |
156 | dpar[12] = dpar[6] + 50.; |
157 | pMC->Gsvolu("L3O1", "PGON", idtmed[314], dpar, 13); |
158 | par[4] = 600.; |
159 | par[5] = 0.; |
160 | par[6] = 163.5; |
161 | par[7] = 610.; |
162 | par[8] = 0.; |
163 | par[9] = 163.5; |
164 | pMC->Gsvolu("L3O2", "PGON", idtmed[314], par, 10); |
165 | |
166 | // THE DOOR OPENING HAS TO BE PLACED WITH 'MANY' SINCE THE REGION |
167 | // WILL CONTAIN A MUON CHAMBER, BEAM PIPE AND BEAM SHIELD |
168 | // PLACED WITH 'ONLY'. |
169 | |
170 | pMC->Gspos("L3O1", 1, "L3FR", 0., 30., 0., 0, "MANY"); |
171 | pMC->Gspos("L3O2", 1, "L3IR", 0., 30., 0., 0, "MANY"); |
172 | |
173 | pMC->Gspos("L3FR", 1, "L3DO", 0., 0., 0., 0, "MANY"); |
174 | pMC->Gspos("L3IR", 1, "L3DO", 0., 0., 0., 0, "MANY"); |
175 | |
176 | pMC->Gspos("L3DO", 1, "ALIC", 0., -30., 0., 0, "MANY"); |
177 | AliMatrix(idrotm[300], 90., 0., 90., 90., 180., 0.); |
178 | pMC->Gspos("L3DO", 2, "ALIC", 0., -30., 0., idrotm[300], "MANY"); |
179 | } |
180 | |
181 | //_____________________________________________________________________________ |
182 | void AliMAG::CreateMaterials() |
183 | { |
184 | // |
185 | // Create materials for L3 magnet |
186 | // |
187 | |
188 | Int_t ISXFLD = gAlice->Field()->Integ(); |
189 | Float_t SXMGMX = gAlice->Field()->Max(); |
190 | |
191 | Float_t epsil, stmin, deemax, tmaxfd, stemax; |
192 | // --- Define the various materials for GEANT --- |
193 | |
194 | // Aluminum |
195 | AliMaterial(9, "Al$", 26.98, 13., 2.7, 8.9, 37.2); |
196 | AliMaterial(29, "Al$", 26.98, 13., 2.7, 8.9, 37.2); |
197 | |
198 | // Iron |
199 | AliMaterial(10, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); |
200 | AliMaterial(30, "Fe$", 55.85, 26., 7.87, 1.76, 17.1); |
201 | |
202 | // Air |
203 | AliMaterial(15, "Air$", 14.61, 7.3, .001205, 30420., 67500); |
204 | AliMaterial(35, "Air$", 14.61, 7.3, .001205, 30420., 67500); |
205 | |
206 | // **************** |
207 | // Defines tracking media parameters. |
208 | // Les valeurs sont commentees pour laisser le defaut |
209 | // a GEANT (version 3-21, page CONS200), f.m. |
210 | epsil = .001; // Tracking precision, |
211 | stemax = -1.; // Maximum displacement for multiple scat |
212 | tmaxfd = -20.; // Maximum angle due to field deflection |
213 | deemax = -.3; // Maximum fractional energy loss, DLS |
214 | stmin = -.8; |
215 | // *************** |
216 | |
217 | // IRON |
218 | |
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219 | AliMedium(10, "FE_C0 ", 10, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
220 | AliMedium(30, "FE_C1 ", 30, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
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221 | |
222 | // ALUMINUM |
223 | |
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224 | AliMedium(9, "ALU_C0 ", 9, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
225 | AliMedium(29, "ALU_C1 ", 29, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
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226 | |
227 | // AIR |
228 | |
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229 | AliMedium(15, "AIR_C0 ", 15, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
230 | AliMedium(35, "AIR_C1 ", 35, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin); |
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231 | } |
232 | |
233 | //_____________________________________________________________________________ |
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234 | void AliMAG::DrawModule() |
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235 | { |
236 | // |
237 | // Draw a shaded view of the L3 magnet |
238 | // |
239 | } |
240 | |
241 | //_____________________________________________________________________________ |
242 | void AliMAG::Init() |
243 | { |
244 | // |
245 | // Initialise L3 magnet after it has been built |
246 | Int_t i; |
247 | // |
248 | printf("\n"); |
249 | for(i=0;i<35;i++) printf("*"); |
250 | printf(" MAG_INIT "); |
251 | for(i=0;i<35;i++) printf("*"); |
252 | printf("\n"); |
253 | // |
254 | // Here the MAG initialisation code (if any!) |
255 | for(i=0;i<80;i++) printf("*"); |
256 | printf("\n"); |
257 | } |
258 | |