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[u/mrichter/AliRoot.git] / FMD / AliFMDv1.cxx
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fe4da5cc 1///////////////////////////////////////////////////////////////////////////////
2// //
3// Forward Multiplicity Detector Version 1 //
4// //
5//Begin_Html
6/*
7<img src="gif/AliFMDv1Class.gif">
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:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
13</font>
14<pre>
15*/
16//End_Html
17// //
18///////////////////////////////////////////////////////////////////////////////
19
20#include "AliRun.h"
21#include "AliFMDv1.h"
22#include "AliMC.h"
23#include "AliConst.h"
24
25
26ClassImp(AliFMDv1)
27
28//_____________________________________________________________________________
29AliFMDv1::AliFMDv1() : AliFMD()
30{
31 //
32 // Defautl constructor for FMD version 1
33 //
34}
35
36//_____________________________________________________________________________
37AliFMDv1::AliFMDv1(const char *name, const char *title)
38 : AliFMD(name,title)
39{
40 //
41 // Standard constructor for FMD version 1
42 //
43}
44
45//_____________________________________________________________________________
46void AliFMDv1::CreateGeometry()
47{
48 //
49 // Creation of the geometry of the FMD version 1
50 //
51 //Begin_Html
52 /*
53 <img src="gif/AliFMDv1Tree.gif">
54 */
55 //End_Html
56 //Begin_Html
57 /*
58 <img src="gif/AliFMDv1.gif">
59 */
60 //End_Html
61
62 AliMC* pMC = AliMC::GetMC();
63
64 Float_t rout;
65 Float_t z;
66 Float_t h1, h2, t0, t1, t2;
67 Float_t tt;
68 Float_t par[3], rin;
69 const Float_t v1 = 42.0;
70 const Float_t v2 = 4.5;
71 const Float_t v3 = 5.62;
72 const Float_t v4 = 16.0;
73
74 Int_t *idtmed = gAlice->Idtmed();
75
76 // ********************************************************
77 // DEFINE RIGHT DISK#3 OF FMD
78 // ********************************************************
79
80 // Define parameters
81
82 rin = 4.5;
83 rout = 10.5;
84 z = 85.;
85 tt = 2.5;
86 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
87 h2 = .4;
88 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
89 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
90 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
91
92 // *******Inner slice***********
93 // Inner steel wall
94 par[0] = rin - .02;
95 par[1] = rin;
96 par[2] = 1.5;
97 pMC->Gsvolu("IWR3", "TUBE", idtmed[899], par, 3);
98 pMC->Gspos("IWR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
99 // Front steel wall
100 par[0] = rin;
101 par[1] = rout;
102 par[2] = .01;
103 pMC->Gsvolu("FWR3", "TUBE", idtmed[899], par, 3);
104 pMC->Gspos("FWR3", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
105 // Rear steel wall
106 pMC->Gsvolu("RWR3", "TUBE", idtmed[899], par, 3);
107 pMC->Gspos("RWR3", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
108 // MCP
109 par[0] = rin;
110 par[1] = rout;
111 par[2] = .07;
112 pMC->Gsvolu("MPR3", "TUBE", idtmed[900], par, 3);
113 pMC->Gspos("MPR3", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
114 // Silicon plate
115 par[0] = rin;
116 par[1] = rout;
117 par[2] = .019;
118 pMC->Gsvolu("SPR3", "TUBE", idtmed[901], par, 3);
119 pMC->Gspos("SPR3", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
120 // Summator plate
121 par[0] = rin;
122 par[1] = rout;
123 par[2] = .01;
124 pMC->Gsvolu("SMR3", "TUBE", idtmed[902], par, 3);
125 pMC->Gspos("SMR3", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
126 // *******Outer slice *******
127 // Ceramic plate
128 par[0] = rout;
129 par[1] = rout + h1;
130 par[2] = 1.25;
131 pMC->Gsvolu("CPR3", "TUBE", idtmed[902], par, 3);
132 pMC->Gspos("CPR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
133 // Covar spring
134 par[0] = rout;
135 par[1] = rout + h1;
136 par[2] = t0 / 2.;
137 pMC->Gsvolu("C1R3", "TUBE", idtmed[903], par, 3);
138 pMC->Gspos("C1R3", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
139 pMC->Gsvolu("C2R3", "TUBE", idtmed[903], par, 3);
140 pMC->Gspos("C2R3", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
141 // Getter camera
142 par[0] = rout + h1;
143 par[1] = rout + h1 + h2;
144 par[2] = t1 / 2.;
145 pMC->Gsvolu("GKR3", "TUBE", idtmed[903], par, 3);
146 pMC->Gspos("GKR3", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
147 // Ceramic slice
148 par[0] = rout + h1;
149 par[1] = rout + h1 + h2;
150 par[2] = t2 / 2.;
151 pMC->Gsvolu("SCR3", "TUBE", idtmed[902], par, 3);
152 pMC->Gspos("SCR3", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
153 // ******Electronic slice *******
154 // Silicon ring
155 par[0] = rout + h1 + h2;
156 par[1] = rout + h1 + h2 + 5.;
157 par[2] = .025;
158 pMC->Gsvolu("SER3", "TUBE", idtmed[901], par, 3);
159 pMC->Gspos("SER3", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
160 // Ceramic ring
161 par[0] = rout + h1 + h2;
162 par[1] = rout + h1 + h2 + 5.;
163 par[2] = .025;
164 pMC->Gsvolu("CER3", "TUBE", idtmed[902], par, 3);
165 pMC->Gspos("CER3", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
166 // ***********************************************************
167 // DEFINE LEFT DISK#3 OF FMD
168 // ***********************************************************
169
170 // Define parameters
171
172 rin = 4.5;
173 rout = 10.5;
174 z = -85.;
175 tt = 2.5;
176 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
177 h2 = .4;
178 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
179 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
180 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
181
182 // *******Inner slice***********
183 // Inner steel wall
184 par[0] = rin - .02;
185 par[1] = rin;
186 par[2] = 1.5;
187 pMC->Gsvolu("IWL3", "TUBE", idtmed[899], par, 3);
188 pMC->Gspos("IWL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
189 // Front steel wall
190 par[0] = rin;
191 par[1] = rout;
192 par[2] = .01;
193 pMC->Gsvolu("FWL3", "TUBE", idtmed[899], par, 3);
194 pMC->Gspos("FWL3", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
195 // Rear steel wall
196 pMC->Gsvolu("RWL3", "TUBE", idtmed[899], par, 3);
197 pMC->Gspos("RWL3", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
198 // MCP
199 par[0] = rin;
200 par[1] = rout;
201 par[2] = .07;
202 pMC->Gsvolu("MPL3", "TUBE", idtmed[900], par, 3);
203 pMC->Gspos("MPL3", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
204 // Silicon plate
205 par[0] = rin;
206 par[1] = rout;
207 par[2] = .019;
208 pMC->Gsvolu("SPL3", "TUBE", idtmed[901], par, 3);
209 pMC->Gspos("SPL3", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
210 // Summator plate
211 par[0] = rin;
212 par[1] = rout;
213 par[2] = .01;
214 pMC->Gsvolu("SML3", "TUBE", idtmed[902], par, 3);
215 pMC->Gspos("SML3", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
216 // *******Outer slice *******
217 // Ceramic plate
218 par[0] = rout;
219 par[1] = rout + h1;
220 par[2] = 1.25;
221 pMC->Gsvolu("CPL3", "TUBE", idtmed[902], par, 3);
222 pMC->Gspos("CPL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
223 // Covar spring
224 par[0] = rout;
225 par[1] = rout + h1;
226 par[2] = t0 / 2.;
227 pMC->Gsvolu("C1L3", "TUBE", idtmed[903], par, 3);
228 pMC->Gspos("C1L3", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
229 pMC->Gsvolu("C2L3", "TUBE", idtmed[903], par, 3);
230 pMC->Gspos("C2L3", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
231 // Getter camera
232 par[0] = rout + h1;
233 par[1] = rout + h1 + h2;
234 par[2] = t1 / 2.;
235 pMC->Gsvolu("GKL3", "TUBE", idtmed[903], par, 3);
236 pMC->Gspos("GKL3", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
237 // Ceramic slice
238 par[0] = rout + h1;
239 par[1] = rout + h1 + h2;
240 par[2] = t2 / 2.;
241 pMC->Gsvolu("SCL3", "TUBE", idtmed[902], par, 3);
242 pMC->Gspos("SCL3", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
243 // ******Electronic slice *******
244 // Silicon ring
245 par[0] = rout + h1 + h2;
246 par[1] = rout + h1 + h2 + 5.;
247 par[2] = .025;
248 pMC->Gsvolu("SEL3", "TUBE", idtmed[901], par, 3);
249 pMC->Gspos("SEL3", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
250 // Ceramic ring
251 par[0] = rout + h1 + h2;
252 par[1] = rout + h1 + h2 + 5.;
253 par[2] = .025;
254 pMC->Gsvolu("CEL3", "TUBE", idtmed[902], par, 3);
255 pMC->Gspos("CEL3", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
256 // ********************************************************
257 // DEFINE RIGHT DISK#2 OF FMD
258 // ********************************************************
259
260 // Define parameters
261
262 rin = 8.;
263 rout = 14.;
264 z = 69.7;
265 tt = 2.5;
266 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
267 h2 = .4;
268 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
269 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
270 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
271
272 // *******Inner slice***********
273 // Inner steel wall
274 par[0] = rin - .02;
275 par[1] = rin;
276 par[2] = 1.5;
277 pMC->Gsvolu("IWR2", "TUBE", idtmed[899], par, 3);
278 pMC->Gspos("IWR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
279 // Front steel wall
280 par[0] = rin;
281 par[1] = rout;
282 par[2] = .01;
283 pMC->Gsvolu("FWR2", "TUBE", idtmed[899], par, 3);
284 pMC->Gspos("FWR2", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
285 // Rear steel wall
286 pMC->Gsvolu("RWR2", "TUBE", idtmed[899], par, 3);
287 pMC->Gspos("RWR2", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
288 // MCP
289 par[0] = rin;
290 par[1] = rout;
291 par[2] = .07;
292 pMC->Gsvolu("MPR2", "TUBE", idtmed[900], par, 3);
293 pMC->Gspos("MPR2", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
294 // Silicon plate
295 par[0] = rin;
296 par[1] = rout;
297 par[2] = .019;
298 pMC->Gsvolu("SPR2", "TUBE", idtmed[901], par, 3);
299 pMC->Gspos("SPR2", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
300 // Summator plate
301 par[0] = rin;
302 par[1] = rout;
303 par[2] = .01;
304 pMC->Gsvolu("SMR2", "TUBE", idtmed[902], par, 3);
305 pMC->Gspos("SMR2", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
306 // *******Outer slice *******
307 // Ceramic plate
308 par[0] = rout;
309 par[1] = rout + h1;
310 par[2] = 1.25;
311 pMC->Gsvolu("CPR2", "TUBE", idtmed[902], par, 3);
312 pMC->Gspos("CPR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
313 // Covar spring
314 par[0] = rout;
315 par[1] = rout + h1;
316 par[2] = t0 / 2.;
317 pMC->Gsvolu("C1R2", "TUBE", idtmed[903], par, 3);
318 pMC->Gspos("C1R2", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
319 pMC->Gsvolu("C2R2", "TUBE", idtmed[903], par, 3);
320 pMC->Gspos("C2R2", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
321 // Getter camera
322 par[0] = rout + h1;
323 par[1] = rout + h1 + h2;
324 par[2] = t1 / 2.;
325 pMC->Gsvolu("GKR2", "TUBE", idtmed[903], par, 3);
326 pMC->Gspos("GKR2", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
327 // Ceramic slice
328 par[0] = rout + h1;
329 par[1] = rout + h1 + h2;
330 par[2] = t2 / 2.;
331 pMC->Gsvolu("SCR2", "TUBE", idtmed[902], par, 3);
332 pMC->Gspos("SCR2", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
333 // ******Electronic slice *******
334 // Silicon ring
335 par[0] = rout + h1 + h2;
336 par[1] = rout + h1 + h2 + 5.;
337 par[2] = .025;
338 pMC->Gsvolu("SER2", "TUBE", idtmed[901], par, 3);
339 pMC->Gspos("SER2", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
340 // Ceramic ring
341 par[0] = rout + h1 + h2;
342 par[1] = rout + h1 + h2 + 5.;
343 par[2] = .025;
344 pMC->Gsvolu("CER2", "TUBE", idtmed[902], par, 3);
345 pMC->Gspos("CER2", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
346 // ***********************************************************
347 // DEFINE LEFT DISK#2 OF FMD
348 // ***********************************************************
349
350 // Define parameters
351
352 rin = 8.;
353 rout = 14.;
354 z = -69.7;
355 tt = 2.5;
356 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
357 h2 = .4;
358 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
359 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
360 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
361
362 // *******Inner slice***********
363 // Inner steel wall
364 par[0] = rin - .02;
365 par[1] = rin;
366 par[2] = 1.5;
367 pMC->Gsvolu("IWL2", "TUBE", idtmed[899], par, 3);
368 pMC->Gspos("IWL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
369 // Front steel wall
370 par[0] = rin;
371 par[1] = rout;
372 par[2] = .01;
373 pMC->Gsvolu("FWL2", "TUBE", idtmed[899], par, 3);
374 pMC->Gspos("FWL2", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
375 // Rear steel wall
376 pMC->Gsvolu("RWL2", "TUBE", idtmed[899], par, 3);
377 pMC->Gspos("RWL2", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
378 // MCP
379 par[0] = rin;
380 par[1] = rout;
381 par[2] = .07;
382 pMC->Gsvolu("MPL2", "TUBE", idtmed[900], par, 3);
383 pMC->Gspos("MPL2", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
384 // Silicon plate
385 par[0] = rin;
386 par[1] = rout;
387 par[2] = .019;
388 pMC->Gsvolu("SPL2", "TUBE", idtmed[901], par, 3);
389 pMC->Gspos("SPL2", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
390 // Summator plate
391 par[0] = rin;
392 par[1] = rout;
393 par[2] = .01;
394 pMC->Gsvolu("SML2", "TUBE", idtmed[902], par, 3);
395 pMC->Gspos("SML2", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
396 // *******Outer slice *******
397 // Ceramic plate
398 par[0] = rout;
399 par[1] = rout + h1;
400 par[2] = 1.25;
401 pMC->Gsvolu("CPL2", "TUBE", idtmed[902], par, 3);
402 pMC->Gspos("CPL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
403 // Covar spring
404 par[0] = rout;
405 par[1] = rout + h1;
406 par[2] = t0 / 2.;
407 pMC->Gsvolu("C1L2", "TUBE", idtmed[903], par, 3);
408 pMC->Gspos("C1L2", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
409 pMC->Gsvolu("C2L2", "TUBE", idtmed[903], par, 3);
410 pMC->Gspos("C2L2", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
411 // Getter camera
412 par[0] = rout + h1;
413 par[1] = rout + h1 + h2;
414 par[2] = t1 / 2.;
415 pMC->Gsvolu("GKL2", "TUBE", idtmed[903], par, 3);
416 pMC->Gspos("GKL2", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
417 // Ceramic slice
418 par[0] = rout + h1;
419 par[1] = rout + h1 + h2;
420 par[2] = t2 / 2.;
421 pMC->Gsvolu("SCL2", "TUBE", idtmed[902], par, 3);
422 pMC->Gspos("SCL2", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
423 // ******Electronic slice *******
424 // Silicon ring
425 par[0] = rout + h1 + h2;
426 par[1] = rout + h1 + h2 + 5.;
427 par[2] = .025;
428 pMC->Gsvolu("SEL2", "TUBE", idtmed[901], par, 3);
429 pMC->Gspos("SEL2", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
430 // Ceramic ring
431 par[0] = rout + h1 + h2;
432 par[1] = rout + h1 + h2 + 5.;
433 par[2] = .025;
434 pMC->Gsvolu("CEL2", "TUBE", idtmed[902], par, 3);
435 pMC->Gspos("CEL2", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
436 // ********************************************************
437 // DEFINE RIGHT DISK#1 OF FMD
438 // ********************************************************
439
440 // Define parameters
441
442 rin = 8.;
443 rout = 17.5;
444 z = 42.5;
445 tt = 2.5;
446 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
447 h2 = .4;
448 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
449 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
450 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
451
452 // *******Inner slice***********
453 // Inner steel wall
454 par[0] = rin - .02;
455 par[1] = rin;
456 par[2] = 1.5;
457 pMC->Gsvolu("IWR1", "TUBE", idtmed[899], par, 3);
458 pMC->Gspos("IWR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
459 // Front steel wall
460 par[0] = rin;
461 par[1] = rout;
462 par[2] = .01;
463 pMC->Gsvolu("FWR1", "TUBE", idtmed[899], par, 3);
464 pMC->Gspos("FWR1", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
465 // Rear steel wall
466 pMC->Gsvolu("RWR1", "TUBE", idtmed[899], par, 3);
467 pMC->Gspos("RWR1", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
468 // MCP
469 par[0] = rin;
470 par[1] = rout;
471 par[2] = .07;
472 pMC->Gsvolu("MPR1", "TUBE", idtmed[900], par, 3);
473 pMC->Gspos("MPR1", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
474 // Silicon plate
475 par[0] = rin;
476 par[1] = rout;
477 par[2] = .019;
478 pMC->Gsvolu("SPR1", "TUBE", idtmed[901], par, 3);
479 pMC->Gspos("SPR1", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
480 // Summator plate
481 par[0] = rin;
482 par[1] = rout;
483 par[2] = .01;
484 pMC->Gsvolu("SMR1", "TUBE", idtmed[902], par, 3);
485 pMC->Gspos("SMR1", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
486 // *******Outer slice *******
487 // Ceramic plate
488 par[0] = rout;
489 par[1] = rout + h1;
490 par[2] = 1.25;
491 pMC->Gsvolu("CPR1", "TUBE", idtmed[902], par, 3);
492 pMC->Gspos("CPR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
493 // Covar spring
494 par[0] = rout;
495 par[1] = rout + h1;
496 par[2] = t0 / 2.;
497 pMC->Gsvolu("C1R1", "TUBE", idtmed[903], par, 3);
498 pMC->Gspos("C1R1", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
499 pMC->Gsvolu("C2R1", "TUBE", idtmed[903], par, 3);
500 pMC->Gspos("C2R1", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
501 // Getter camera
502 par[0] = rout + h1;
503 par[1] = rout + h1 + h2;
504 par[2] = t1 / 2.;
505 pMC->Gsvolu("GKR1", "TUBE", idtmed[903], par, 3);
506 pMC->Gspos("GKR1", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
507 // Ceramic slice
508 par[0] = rout + h1;
509 par[1] = rout + h1 + h2;
510 par[2] = t2 / 2.;
511 pMC->Gsvolu("SCR1", "TUBE", idtmed[902], par, 3);
512 pMC->Gspos("SCR1", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
513 // ******Electronic slice *******
514 // Silicon ring
515 par[0] = rout + h1 + h2;
516 par[1] = rout + h1 + h2 + 5.;
517 par[2] = .025;
518 pMC->Gsvolu("SER1", "TUBE", idtmed[901], par, 3);
519 pMC->Gspos("SER1", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
520 // Ceramic ring
521 par[0] = rout + h1 + h2;
522 par[1] = rout + h1 + h2 + 5.;
523 par[2] = .025;
524 pMC->Gsvolu("CER1", "TUBE", idtmed[902], par, 3);
525 pMC->Gspos("CER1", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
526 // ***********************************************************
527 // DEFINE LEFT DISK#1 OF FMD
528 // ***********************************************************
529
530 // Define parameters
531
532 rin = 8.;
533 rout = 17.5;
534 z = -42.5;
535 tt = 2.5;
536 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
537 h2 = .4;
538 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
539 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
540 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
541
542 // *******Inner slice***********
543 // Inner steel wall
544 par[0] = rin - .02;
545 par[1] = rin;
546 par[2] = 1.5;
547 pMC->Gsvolu("IWL1", "TUBE", idtmed[899], par, 3);
548 pMC->Gspos("IWL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
549 // Front steel wall
550 par[0] = rin;
551 par[1] = rout;
552 par[2] = .01;
553 pMC->Gsvolu("FWL1", "TUBE", idtmed[899], par, 3);
554 pMC->Gspos("FWL1", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
555 // Rear steel wall
556 pMC->Gsvolu("RWL1", "TUBE", idtmed[899], par, 3);
557 pMC->Gspos("RWL1", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
558 // MCP
559 par[0] = rin;
560 par[1] = rout;
561 par[2] = .07;
562 pMC->Gsvolu("MPL1", "TUBE", idtmed[900], par, 3);
563 pMC->Gspos("MPL1", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
564 // Silicon plate
565 par[0] = rin;
566 par[1] = rout;
567 par[2] = .019;
568 pMC->Gsvolu("SPL1", "TUBE", idtmed[901], par, 3);
569 pMC->Gspos("SPL1", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
570 // Summator plate
571 par[0] = rin;
572 par[1] = rout;
573 par[2] = .01;
574 pMC->Gsvolu("SML1", "TUBE", idtmed[902], par, 3);
575 pMC->Gspos("SML1", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
576 // *******Outer slice *******
577 // Ceramic plate
578 par[0] = rout;
579 par[1] = rout + h1;
580 par[2] = 1.25;
581 pMC->Gsvolu("CPL1", "TUBE", idtmed[902], par, 3);
582 pMC->Gspos("CPL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
583 // Covar spring
584 par[0] = rout;
585 par[1] = rout + h1;
586 par[2] = t0 / 2.;
587 pMC->Gsvolu("C1L1", "TUBE", idtmed[903], par, 3);
588 pMC->Gspos("C1L1", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
589 pMC->Gsvolu("C2L1", "TUBE", idtmed[903], par, 3);
590 pMC->Gspos("C2L1", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
591 // Getter camera
592 par[0] = rout + h1;
593 par[1] = rout + h1 + h2;
594 par[2] = t1 / 2.;
595 pMC->Gsvolu("GKL1", "TUBE", idtmed[903], par, 3);
596 pMC->Gspos("GKL1", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
597 // Ceramic slice
598 par[0] = rout + h1;
599 par[1] = rout + h1 + h2;
600 par[2] = t2 / 2.;
601 pMC->Gsvolu("SCL1", "TUBE", idtmed[902], par, 3);
602 pMC->Gspos("SCL1", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
603 // ******Electronic slice *******
604 // Silicon ring
605 par[0] = rout + h1 + h2;
606 par[1] = rout + h1 + h2 + 5.;
607 par[2] = .025;
608 pMC->Gsvolu("SEL1", "TUBE", idtmed[901], par, 3);
609 pMC->Gspos("SEL1", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
610 // Ceramic ring
611 par[0] = rout + h1 + h2;
612 par[1] = rout + h1 + h2 + 5.;
613 par[2] = .025;
614 pMC->Gsvolu("CEL1", "TUBE", idtmed[902], par, 3);
615 pMC->Gspos("CEL1", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
616 // ***********************************************************
617 // DEFINE LEFT DISK#4 OF FMD
618 // ***********************************************************
619
620 // Define parameters
621
622 rin = 4.2;
623 rout = 13.;
624 z = -229.5;
625 tt = 2.5;
626 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
627 h2 = .4;
628 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
629 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
630 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
631
632 // *******Inner slice***********
633 // Inner steel wall
634 par[0] = rin - .02;
635 par[1] = rin;
636 par[2] = 1.5;
637 pMC->Gsvolu("IWL4", "TUBE", idtmed[899], par, 3);
638 pMC->Gspos("IWL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
639 // Front steel wall
640 par[0] = rin;
641 par[1] = rout;
642 par[2] = .01;
643 pMC->Gsvolu("FWL4", "TUBE", idtmed[899], par, 3);
644 pMC->Gspos("FWL4", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
645 // Rear steel wall
646 pMC->Gsvolu("RWL4", "TUBE", idtmed[899], par, 3);
647 pMC->Gspos("RWL4", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
648 // MCP
649 par[0] = rin;
650 par[1] = rout;
651 par[2] = .07;
652 pMC->Gsvolu("MPL4", "TUBE", idtmed[900], par, 3);
653 pMC->Gspos("MPL4", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
654 // Silicon plate
655 par[0] = rin;
656 par[1] = rout;
657 par[2] = .019;
658 pMC->Gsvolu("SPL4", "TUBE", idtmed[901], par, 3);
659 pMC->Gspos("SPL4", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
660 // Summator plate
661 par[0] = rin;
662 par[1] = rout;
663 par[2] = .01;
664 pMC->Gsvolu("SML4", "TUBE", idtmed[902], par, 3);
665 pMC->Gspos("SML4", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
666 // *******Outer slice *******
667 // Ceramic plate
668 par[0] = rout;
669 par[1] = rout + h1;
670 par[2] = 1.25;
671 pMC->Gsvolu("CPL4", "TUBE", idtmed[902], par, 3);
672 pMC->Gspos("CPL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
673 // Covar spring
674 par[0] = rout;
675 par[1] = rout + h1;
676 par[2] = t0 / 2.;
677 pMC->Gsvolu("C1L4", "TUBE", idtmed[903], par, 3);
678 pMC->Gspos("C1L4", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
679 pMC->Gsvolu("C2L4", "TUBE", idtmed[903], par, 3);
680 pMC->Gspos("C2L4", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
681 // Getter camera
682 par[0] = rout + h1;
683 par[1] = rout + h1 + h2;
684 par[2] = t1 / 2.;
685 pMC->Gsvolu("GKL4", "TUBE", idtmed[903], par, 3);
686 pMC->Gspos("GKL4", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
687 // Ceramic slice
688 par[0] = rout + h1;
689 par[1] = rout + h1 + h2;
690 par[2] = t2 / 2.;
691 pMC->Gsvolu("SCL4", "TUBE", idtmed[902], par, 3);
692 pMC->Gspos("SCL4", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
693 // ******Electronic slice *******
694 // Silicon ring
695 par[0] = rout + h1 + h2;
696 par[1] = rout + h1 + h2 + 5.;
697 par[2] = .025;
698 pMC->Gsvolu("SEL4", "TUBE", idtmed[901], par, 3);
699 pMC->Gspos("SEL4", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
700 // Ceramic ring
701 par[0] = rout + h1 + h2;
702 par[1] = rout + h1 + h2 + 5.;
703 par[2] = .025;
704 pMC->Gsvolu("CEL4", "TUBE", idtmed[902], par, 3);
705 pMC->Gspos("CEL4", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
706}
707
708//_____________________________________________________________________________
709void AliFMDv1::DrawDetector()
710{
711 //
712 // Draw a shaded view of the FMD version 1
713 //
714
715 AliMC* pMC = AliMC::GetMC();
716
717 // Set everything unseen
718 pMC->Gsatt("*", "seen", -1);
719 //
720 // Set ALIC mother transparent
721 pMC->Gsatt("ALIC","SEEN",0);
722 //
723 // Set the volumes visible
724 pMC->Gsatt("IWR3","seen",1);
725 pMC->Gsatt("FWR3","seen",1);
726 pMC->Gsatt("RWR3","seen",1);
727 pMC->Gsatt("MPR3","seen",1);
728 pMC->Gsatt("SPR3","seen",1);
729 pMC->Gsatt("SMR3","seen",1);
730 pMC->Gsatt("CPR3","seen",1);
731 pMC->Gsatt("C1R3","seen",1);
732 pMC->Gsatt("C2R3","seen",1);
733 pMC->Gsatt("GKR3","seen",1);
734 pMC->Gsatt("SCR3","seen",1);
735 pMC->Gsatt("SER3","seen",1);
736 pMC->Gsatt("CER3","seen",1);
737 pMC->Gsatt("IWL3","seen",1);
738 pMC->Gsatt("FWL3","seen",1);
739 pMC->Gsatt("RWL3","seen",1);
740 pMC->Gsatt("MPL3","seen",1);
741 pMC->Gsatt("SPL3","seen",1);
742 pMC->Gsatt("SML3","seen",1);
743 pMC->Gsatt("CPL3","seen",1);
744 pMC->Gsatt("C1L3","seen",1);
745 pMC->Gsatt("C2L3","seen",1);
746 pMC->Gsatt("GKL3","seen",1);
747 pMC->Gsatt("SCL3","seen",1);
748 pMC->Gsatt("SEL3","seen",1);
749 pMC->Gsatt("CEL3","seen",1);
750 pMC->Gsatt("IWR2","seen",1);
751 pMC->Gsatt("FWR2","seen",1);
752 pMC->Gsatt("RWR2","seen",1);
753 pMC->Gsatt("MPR2","seen",1);
754 pMC->Gsatt("SPR2","seen",1);
755 pMC->Gsatt("SMR2","seen",1);
756 pMC->Gsatt("CPR2","seen",1);
757 pMC->Gsatt("C1R2","seen",1);
758 pMC->Gsatt("C2R2","seen",1);
759 pMC->Gsatt("GKR2","seen",1);
760 pMC->Gsatt("SCR2","seen",1);
761 pMC->Gsatt("SER2","seen",1);
762 pMC->Gsatt("CER2","seen",1);
763 pMC->Gsatt("IWL2","seen",1);
764 pMC->Gsatt("FWL2","seen",1);
765 pMC->Gsatt("RWL2","seen",1);
766 pMC->Gsatt("MPL2","seen",1);
767 pMC->Gsatt("SPL2","seen",1);
768 pMC->Gsatt("SML2","seen",1);
769 pMC->Gsatt("CPL2","seen",1);
770 pMC->Gsatt("C1L2","seen",1);
771 pMC->Gsatt("C2L2","seen",1);
772 pMC->Gsatt("GKL2","seen",1);
773 pMC->Gsatt("SCL2","seen",1);
774 pMC->Gsatt("SEL2","seen",1);
775 pMC->Gsatt("CEL2","seen",1);
776 pMC->Gsatt("IWR1","seen",1);
777 pMC->Gsatt("FWR1","seen",1);
778 pMC->Gsatt("RWR1","seen",1);
779 pMC->Gsatt("MPR1","seen",1);
780 pMC->Gsatt("SPR1","seen",1);
781 pMC->Gsatt("SMR1","seen",1);
782 pMC->Gsatt("CPR1","seen",1);
783 pMC->Gsatt("C1R1","seen",1);
784 pMC->Gsatt("C2R1","seen",1);
785 pMC->Gsatt("GKR1","seen",1);
786 pMC->Gsatt("SCR1","seen",1);
787 pMC->Gsatt("SER1","seen",1);
788 pMC->Gsatt("CER1","seen",1);
789 pMC->Gsatt("IWL1","seen",1);
790 pMC->Gsatt("FWL1","seen",1);
791 pMC->Gsatt("RWL1","seen",1);
792 pMC->Gsatt("MPL1","seen",1);
793 pMC->Gsatt("SPL1","seen",1);
794 pMC->Gsatt("SML1","seen",1);
795 pMC->Gsatt("CPL1","seen",1);
796 pMC->Gsatt("C1L1","seen",1);
797 pMC->Gsatt("C2L1","seen",1);
798 pMC->Gsatt("GKL1","seen",1);
799 pMC->Gsatt("SCL1","seen",1);
800 pMC->Gsatt("SEL1","seen",1);
801 pMC->Gsatt("CEL1","seen",1);
802 pMC->Gsatt("IWL4","seen",1);
803 pMC->Gsatt("FWL4","seen",1);
804 pMC->Gsatt("RWL4","seen",1);
805 pMC->Gsatt("MPL4","seen",1);
806 pMC->Gsatt("SPL4","seen",1);
807 pMC->Gsatt("SML4","seen",1);
808 pMC->Gsatt("CPL4","seen",1);
809 pMC->Gsatt("C1L4","seen",1);
810 pMC->Gsatt("C2L4","seen",1);
811 pMC->Gsatt("GKL4","seen",1);
812 pMC->Gsatt("SCL4","seen",1);
813 pMC->Gsatt("SEL4","seen",1);
814 pMC->Gsatt("CEL4","seen",1);
815 //
816 pMC->Gdopt("hide", "on");
817 pMC->Gdopt("shad", "on");
818 pMC->Gsatt("*", "fill", 7);
819 pMC->SetClipBox(".");
820 pMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
821 pMC->DefaultRange();
822 pMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
823 pMC->Gdhead(1111, "Forward Multiplicity Detector version 1");
824 pMC->Gdman(13, 9, "MAN");
825}
826
827//_____________________________________________________________________________
828void AliFMDv1::CreateMaterials()
829{
830 //
831 // Create materials for version 1 of FMD
832 //
833
834 // Steel for chamber
835 Float_t ast[4] = { 55.847,58.71,51.996,47.9 };
836 Float_t zst[4] = { 26.,28.,24.,22. };
837 Float_t wst[4] = { .6,.18,.12,.1 };
838 // Lead glass for MCP
839 Float_t amcp[3] = { 15.9994,28.086,207.19 };
840 Float_t zmcp[3] = { 8.,14.,82. };
841 Float_t wmcp[3] = { .43,.375,.195 };
842 // Ceramic for plates
843 Float_t acer[2] = { 26.98,15.9994 };
844 Float_t zcer[2] = { 13.,8. };
845 Float_t wcer[2] = { .4,.6 };
846
847 Float_t epsil, stmin, deemax, tmaxfd, stemax;
848
849 Int_t ISXFLD = gAlice->Field()->Integ();
850 Float_t SXMGMX = gAlice->Field()->Max();
851
852 // Silicon
853
854 AliMaterial(2, "SI$", 28.086, 14., 2.33, 9.36, 45.5);
855
856 // Covar
857
858 AliMaterial(4, "FE$", 55.85, 26., 8.3, 1.67, 15.9);
859
860 // Steel
861
862 AliMixture(0, "FMD_STEEL$", ast, zst, 7.9, 4, wst);
863
864 // Lead glass
865
866 AliMixture(1, "FMD_MCP$", amcp, zmcp, 1.55, 3, wmcp);
867
868 // Ceramic
869
870 AliMixture(3, "FMD_CERAMIC$", acer, zcer, 3.96, -2, wcer);
871 // *******************************************************
872 // Defines tracking media parameters.
873 // *******************************************************
874 epsil = .001; // Tracking precision, DLS
875 stemax = -1.; // Maximum displacement for multiple scattering
876 tmaxfd = -20.; // Maximum angle due to field deflection
877 deemax = -.3; // Maximum fractional energy loss, DLS
878 stmin = -.8;
879 // ********************************************************
880 AliMedium(900, "STEEL_L3 ", 0, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
881 AliMedium(901, "LEAD_GLASS_L3 ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
882 AliMedium(902, "SILICON_L3 ", 2, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
883 AliMedium(903, "CERAMIC_L3 ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
884 AliMedium(904, "COVAR_L3 ", 4, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
885}
886