1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
20 ///////////////////////////////////////////////////////////////////////////////
22 // Forward Multiplicity Detector Version 1 //
26 <img src="picts/AliFMDv1Class.gif">
29 <font size=+2 color=red>
30 <p>The responsible person for this module is
31 <a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
37 ///////////////////////////////////////////////////////////////////////////////
49 //_____________________________________________________________________________
53 // Defautl constructor for FMD version 1
57 //_____________________________________________________________________________
58 AliFMDv1::AliFMDv1(const char *name, const char *title)
62 // Standard constructor for FMD version 1
64 AliModule *start = gAlice->GetModule("START");
66 Error("ctor","This version of FMD is incompatible with START\n");
71 //_____________________________________________________________________________
72 void AliFMDv1::CreateGeometry()
75 // Creation of the geometry of the FMD version 1
79 <img src="picts/AliFMDv1Tree.gif">
84 <img src="picts/AliFMDv1.gif">
91 Float_t h1, h2, t0, t1, t2;
94 const Float_t v1 = 42.0;
95 const Float_t v2 = 4.5;
96 const Float_t v3 = 5.62;
97 const Float_t v4 = 16.0;
99 Int_t *idtmed = fIdtmed->GetArray()-899;
101 // ********************************************************
102 // DEFINE RIGHT DISK#3 OF FMD
103 // ********************************************************
111 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
113 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
114 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
115 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
117 // *******Inner slice***********
122 gMC->Gsvolu("IWR3", "TUBE", idtmed[899], par, 3);
123 gMC->Gspos("IWR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
128 gMC->Gsvolu("FWR3", "TUBE", idtmed[899], par, 3);
129 gMC->Gspos("FWR3", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
131 gMC->Gsvolu("RWR3", "TUBE", idtmed[899], par, 3);
132 gMC->Gspos("RWR3", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
137 gMC->Gsvolu("MPR3", "TUBE", idtmed[900], par, 3);
138 gMC->Gspos("MPR3", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
143 gMC->Gsvolu("SPR3", "TUBE", idtmed[901], par, 3);
144 gMC->Gspos("SPR3", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
149 gMC->Gsvolu("SMR3", "TUBE", idtmed[902], par, 3);
150 gMC->Gspos("SMR3", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
151 // *******Outer slice *******
156 gMC->Gsvolu("CPR3", "TUBE", idtmed[902], par, 3);
157 gMC->Gspos("CPR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
162 gMC->Gsvolu("C1R3", "TUBE", idtmed[903], par, 3);
163 gMC->Gspos("C1R3", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
164 gMC->Gsvolu("C2R3", "TUBE", idtmed[903], par, 3);
165 gMC->Gspos("C2R3", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
168 par[1] = rout + h1 + h2;
170 gMC->Gsvolu("GKR3", "TUBE", idtmed[903], par, 3);
171 gMC->Gspos("GKR3", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
174 par[1] = rout + h1 + h2;
176 gMC->Gsvolu("SCR3", "TUBE", idtmed[902], par, 3);
177 gMC->Gspos("SCR3", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
178 // ******Electronic slice *******
180 par[0] = rout + h1 + h2;
181 par[1] = rout + h1 + h2 + 5.;
183 gMC->Gsvolu("SER3", "TUBE", idtmed[901], par, 3);
184 gMC->Gspos("SER3", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
186 par[0] = rout + h1 + h2;
187 par[1] = rout + h1 + h2 + 5.;
189 gMC->Gsvolu("CER3", "TUBE", idtmed[902], par, 3);
190 gMC->Gspos("CER3", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
191 // ***********************************************************
192 // DEFINE LEFT DISK#3 OF FMD
193 // ***********************************************************
201 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
203 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
204 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
205 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
207 // *******Inner slice***********
212 gMC->Gsvolu("IWL3", "TUBE", idtmed[899], par, 3);
213 gMC->Gspos("IWL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
218 gMC->Gsvolu("FWL3", "TUBE", idtmed[899], par, 3);
219 gMC->Gspos("FWL3", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
221 gMC->Gsvolu("RWL3", "TUBE", idtmed[899], par, 3);
222 gMC->Gspos("RWL3", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
227 gMC->Gsvolu("MPL3", "TUBE", idtmed[900], par, 3);
228 gMC->Gspos("MPL3", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
233 gMC->Gsvolu("SPL3", "TUBE", idtmed[901], par, 3);
234 gMC->Gspos("SPL3", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
239 gMC->Gsvolu("SML3", "TUBE", idtmed[902], par, 3);
240 gMC->Gspos("SML3", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
241 // *******Outer slice *******
246 gMC->Gsvolu("CPL3", "TUBE", idtmed[902], par, 3);
247 gMC->Gspos("CPL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
252 gMC->Gsvolu("C1L3", "TUBE", idtmed[903], par, 3);
253 gMC->Gspos("C1L3", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
254 gMC->Gsvolu("C2L3", "TUBE", idtmed[903], par, 3);
255 gMC->Gspos("C2L3", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
258 par[1] = rout + h1 + h2;
260 gMC->Gsvolu("GKL3", "TUBE", idtmed[903], par, 3);
261 gMC->Gspos("GKL3", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
264 par[1] = rout + h1 + h2;
266 gMC->Gsvolu("SCL3", "TUBE", idtmed[902], par, 3);
267 gMC->Gspos("SCL3", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
268 // ******Electronic slice *******
270 par[0] = rout + h1 + h2;
271 par[1] = rout + h1 + h2 + 5.;
273 gMC->Gsvolu("SEL3", "TUBE", idtmed[901], par, 3);
274 gMC->Gspos("SEL3", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
276 par[0] = rout + h1 + h2;
277 par[1] = rout + h1 + h2 + 5.;
279 gMC->Gsvolu("CEL3", "TUBE", idtmed[902], par, 3);
280 gMC->Gspos("CEL3", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
281 // ********************************************************
282 // DEFINE RIGHT DISK#2 OF FMD
283 // ********************************************************
291 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
293 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
294 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
295 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
297 // *******Inner slice***********
302 gMC->Gsvolu("IWR2", "TUBE", idtmed[899], par, 3);
303 gMC->Gspos("IWR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
308 gMC->Gsvolu("FWR2", "TUBE", idtmed[899], par, 3);
309 gMC->Gspos("FWR2", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
311 gMC->Gsvolu("RWR2", "TUBE", idtmed[899], par, 3);
312 gMC->Gspos("RWR2", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
317 gMC->Gsvolu("MPR2", "TUBE", idtmed[900], par, 3);
318 gMC->Gspos("MPR2", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
323 gMC->Gsvolu("SPR2", "TUBE", idtmed[901], par, 3);
324 gMC->Gspos("SPR2", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
329 gMC->Gsvolu("SMR2", "TUBE", idtmed[902], par, 3);
330 gMC->Gspos("SMR2", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
331 // *******Outer slice *******
336 gMC->Gsvolu("CPR2", "TUBE", idtmed[902], par, 3);
337 gMC->Gspos("CPR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
342 gMC->Gsvolu("C1R2", "TUBE", idtmed[903], par, 3);
343 gMC->Gspos("C1R2", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
344 gMC->Gsvolu("C2R2", "TUBE", idtmed[903], par, 3);
345 gMC->Gspos("C2R2", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
348 par[1] = rout + h1 + h2;
350 gMC->Gsvolu("GKR2", "TUBE", idtmed[903], par, 3);
351 gMC->Gspos("GKR2", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
354 par[1] = rout + h1 + h2;
356 gMC->Gsvolu("SCR2", "TUBE", idtmed[902], par, 3);
357 gMC->Gspos("SCR2", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
358 // ******Electronic slice *******
360 par[0] = rout + h1 + h2;
361 par[1] = rout + h1 + h2 + 5.;
363 gMC->Gsvolu("SER2", "TUBE", idtmed[901], par, 3);
364 gMC->Gspos("SER2", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
366 par[0] = rout + h1 + h2;
367 par[1] = rout + h1 + h2 + 5.;
369 gMC->Gsvolu("CER2", "TUBE", idtmed[902], par, 3);
370 gMC->Gspos("CER2", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
371 // ***********************************************************
372 // DEFINE LEFT DISK#2 OF FMD
373 // ***********************************************************
381 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
383 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
384 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
385 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
387 // *******Inner slice***********
392 gMC->Gsvolu("IWL2", "TUBE", idtmed[899], par, 3);
393 gMC->Gspos("IWL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
398 gMC->Gsvolu("FWL2", "TUBE", idtmed[899], par, 3);
399 gMC->Gspos("FWL2", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
401 gMC->Gsvolu("RWL2", "TUBE", idtmed[899], par, 3);
402 gMC->Gspos("RWL2", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
407 gMC->Gsvolu("MPL2", "TUBE", idtmed[900], par, 3);
408 gMC->Gspos("MPL2", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
413 gMC->Gsvolu("SPL2", "TUBE", idtmed[901], par, 3);
414 gMC->Gspos("SPL2", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
419 gMC->Gsvolu("SML2", "TUBE", idtmed[902], par, 3);
420 gMC->Gspos("SML2", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
421 // *******Outer slice *******
426 gMC->Gsvolu("CPL2", "TUBE", idtmed[902], par, 3);
427 gMC->Gspos("CPL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
432 gMC->Gsvolu("C1L2", "TUBE", idtmed[903], par, 3);
433 gMC->Gspos("C1L2", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
434 gMC->Gsvolu("C2L2", "TUBE", idtmed[903], par, 3);
435 gMC->Gspos("C2L2", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
438 par[1] = rout + h1 + h2;
440 gMC->Gsvolu("GKL2", "TUBE", idtmed[903], par, 3);
441 gMC->Gspos("GKL2", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
444 par[1] = rout + h1 + h2;
446 gMC->Gsvolu("SCL2", "TUBE", idtmed[902], par, 3);
447 gMC->Gspos("SCL2", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
448 // ******Electronic slice *******
450 par[0] = rout + h1 + h2;
451 par[1] = rout + h1 + h2 + 5.;
453 gMC->Gsvolu("SEL2", "TUBE", idtmed[901], par, 3);
454 gMC->Gspos("SEL2", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
456 par[0] = rout + h1 + h2;
457 par[1] = rout + h1 + h2 + 5.;
459 gMC->Gsvolu("CEL2", "TUBE", idtmed[902], par, 3);
460 gMC->Gspos("CEL2", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
461 // ********************************************************
462 // DEFINE RIGHT DISK#1 OF FMD
463 // ********************************************************
471 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
473 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
474 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
475 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
477 // *******Inner slice***********
482 gMC->Gsvolu("IWR1", "TUBE", idtmed[899], par, 3);
483 gMC->Gspos("IWR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
488 gMC->Gsvolu("FWR1", "TUBE", idtmed[899], par, 3);
489 gMC->Gspos("FWR1", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
491 gMC->Gsvolu("RWR1", "TUBE", idtmed[899], par, 3);
492 gMC->Gspos("RWR1", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
497 gMC->Gsvolu("MPR1", "TUBE", idtmed[900], par, 3);
498 gMC->Gspos("MPR1", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
503 gMC->Gsvolu("SPR1", "TUBE", idtmed[901], par, 3);
504 gMC->Gspos("SPR1", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
509 gMC->Gsvolu("SMR1", "TUBE", idtmed[902], par, 3);
510 gMC->Gspos("SMR1", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
511 // *******Outer slice *******
516 gMC->Gsvolu("CPR1", "TUBE", idtmed[902], par, 3);
517 gMC->Gspos("CPR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
522 gMC->Gsvolu("C1R1", "TUBE", idtmed[903], par, 3);
523 gMC->Gspos("C1R1", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
524 gMC->Gsvolu("C2R1", "TUBE", idtmed[903], par, 3);
525 gMC->Gspos("C2R1", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
528 par[1] = rout + h1 + h2;
530 gMC->Gsvolu("GKR1", "TUBE", idtmed[903], par, 3);
531 gMC->Gspos("GKR1", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
534 par[1] = rout + h1 + h2;
536 gMC->Gsvolu("SCR1", "TUBE", idtmed[902], par, 3);
537 gMC->Gspos("SCR1", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
538 // ******Electronic slice *******
540 par[0] = rout + h1 + h2;
541 par[1] = rout + h1 + h2 + 5.;
543 gMC->Gsvolu("SER1", "TUBE", idtmed[901], par, 3);
544 gMC->Gspos("SER1", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
546 par[0] = rout + h1 + h2;
547 par[1] = rout + h1 + h2 + 5.;
549 gMC->Gsvolu("CER1", "TUBE", idtmed[902], par, 3);
550 gMC->Gspos("CER1", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
551 // ***********************************************************
552 // DEFINE LEFT DISK#1 OF FMD
553 // ***********************************************************
561 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
563 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
564 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
565 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
567 // *******Inner slice***********
572 gMC->Gsvolu("IWL1", "TUBE", idtmed[899], par, 3);
573 gMC->Gspos("IWL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
578 gMC->Gsvolu("FWL1", "TUBE", idtmed[899], par, 3);
579 gMC->Gspos("FWL1", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
581 gMC->Gsvolu("RWL1", "TUBE", idtmed[899], par, 3);
582 gMC->Gspos("RWL1", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
587 gMC->Gsvolu("MPL1", "TUBE", idtmed[900], par, 3);
588 gMC->Gspos("MPL1", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
593 gMC->Gsvolu("SPL1", "TUBE", idtmed[901], par, 3);
594 gMC->Gspos("SPL1", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
599 gMC->Gsvolu("SML1", "TUBE", idtmed[902], par, 3);
600 gMC->Gspos("SML1", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
601 // *******Outer slice *******
606 gMC->Gsvolu("CPL1", "TUBE", idtmed[902], par, 3);
607 gMC->Gspos("CPL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
612 gMC->Gsvolu("C1L1", "TUBE", idtmed[903], par, 3);
613 gMC->Gspos("C1L1", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
614 gMC->Gsvolu("C2L1", "TUBE", idtmed[903], par, 3);
615 gMC->Gspos("C2L1", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
618 par[1] = rout + h1 + h2;
620 gMC->Gsvolu("GKL1", "TUBE", idtmed[903], par, 3);
621 gMC->Gspos("GKL1", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
624 par[1] = rout + h1 + h2;
626 gMC->Gsvolu("SCL1", "TUBE", idtmed[902], par, 3);
627 gMC->Gspos("SCL1", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
628 // ******Electronic slice *******
630 par[0] = rout + h1 + h2;
631 par[1] = rout + h1 + h2 + 5.;
633 gMC->Gsvolu("SEL1", "TUBE", idtmed[901], par, 3);
634 gMC->Gspos("SEL1", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
636 par[0] = rout + h1 + h2;
637 par[1] = rout + h1 + h2 + 5.;
639 gMC->Gsvolu("CEL1", "TUBE", idtmed[902], par, 3);
640 gMC->Gspos("CEL1", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
641 // ***********************************************************
642 // DEFINE LEFT DISK#4 OF FMD
643 // ***********************************************************
651 h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
653 t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
654 t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
655 t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
657 // *******Inner slice***********
662 gMC->Gsvolu("IWL4", "TUBE", idtmed[899], par, 3);
663 gMC->Gspos("IWL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
668 gMC->Gsvolu("FWL4", "TUBE", idtmed[899], par, 3);
669 gMC->Gspos("FWL4", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
671 gMC->Gsvolu("RWL4", "TUBE", idtmed[899], par, 3);
672 gMC->Gspos("RWL4", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
677 gMC->Gsvolu("MPL4", "TUBE", idtmed[900], par, 3);
678 gMC->Gspos("MPL4", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
683 gMC->Gsvolu("SPL4", "TUBE", idtmed[901], par, 3);
684 gMC->Gspos("SPL4", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
689 gMC->Gsvolu("SML4", "TUBE", idtmed[902], par, 3);
690 gMC->Gspos("SML4", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
691 // *******Outer slice *******
696 gMC->Gsvolu("CPL4", "TUBE", idtmed[902], par, 3);
697 gMC->Gspos("CPL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
702 gMC->Gsvolu("C1L4", "TUBE", idtmed[903], par, 3);
703 gMC->Gspos("C1L4", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
704 gMC->Gsvolu("C2L4", "TUBE", idtmed[903], par, 3);
705 gMC->Gspos("C2L4", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
708 par[1] = rout + h1 + h2;
710 gMC->Gsvolu("GKL4", "TUBE", idtmed[903], par, 3);
711 gMC->Gspos("GKL4", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
714 par[1] = rout + h1 + h2;
716 gMC->Gsvolu("SCL4", "TUBE", idtmed[902], par, 3);
717 gMC->Gspos("SCL4", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
718 // ******Electronic slice *******
720 par[0] = rout + h1 + h2;
721 par[1] = rout + h1 + h2 + 5.;
723 gMC->Gsvolu("SEL4", "TUBE", idtmed[901], par, 3);
724 gMC->Gspos("SEL4", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
726 par[0] = rout + h1 + h2;
727 par[1] = rout + h1 + h2 + 5.;
729 gMC->Gsvolu("CEL4", "TUBE", idtmed[902], par, 3);
730 gMC->Gspos("CEL4", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
733 //_____________________________________________________________________________
734 void AliFMDv1::DrawModule()
737 // Draw a shaded view of the FMD version 1
741 // Set everything unseen
742 gMC->Gsatt("*", "seen", -1);
744 // Set ALIC mother transparent
745 gMC->Gsatt("ALIC","SEEN",0);
747 // Set the volumes visible
748 gMC->Gsatt("IWR3","seen",1);
749 gMC->Gsatt("FWR3","seen",1);
750 gMC->Gsatt("RWR3","seen",1);
751 gMC->Gsatt("MPR3","seen",1);
752 gMC->Gsatt("SPR3","seen",1);
753 gMC->Gsatt("SMR3","seen",1);
754 gMC->Gsatt("CPR3","seen",1);
755 gMC->Gsatt("C1R3","seen",1);
756 gMC->Gsatt("C2R3","seen",1);
757 gMC->Gsatt("GKR3","seen",1);
758 gMC->Gsatt("SCR3","seen",1);
759 gMC->Gsatt("SER3","seen",1);
760 gMC->Gsatt("CER3","seen",1);
761 gMC->Gsatt("IWL3","seen",1);
762 gMC->Gsatt("FWL3","seen",1);
763 gMC->Gsatt("RWL3","seen",1);
764 gMC->Gsatt("MPL3","seen",1);
765 gMC->Gsatt("SPL3","seen",1);
766 gMC->Gsatt("SML3","seen",1);
767 gMC->Gsatt("CPL3","seen",1);
768 gMC->Gsatt("C1L3","seen",1);
769 gMC->Gsatt("C2L3","seen",1);
770 gMC->Gsatt("GKL3","seen",1);
771 gMC->Gsatt("SCL3","seen",1);
772 gMC->Gsatt("SEL3","seen",1);
773 gMC->Gsatt("CEL3","seen",1);
774 gMC->Gsatt("IWR2","seen",1);
775 gMC->Gsatt("FWR2","seen",1);
776 gMC->Gsatt("RWR2","seen",1);
777 gMC->Gsatt("MPR2","seen",1);
778 gMC->Gsatt("SPR2","seen",1);
779 gMC->Gsatt("SMR2","seen",1);
780 gMC->Gsatt("CPR2","seen",1);
781 gMC->Gsatt("C1R2","seen",1);
782 gMC->Gsatt("C2R2","seen",1);
783 gMC->Gsatt("GKR2","seen",1);
784 gMC->Gsatt("SCR2","seen",1);
785 gMC->Gsatt("SER2","seen",1);
786 gMC->Gsatt("CER2","seen",1);
787 gMC->Gsatt("IWL2","seen",1);
788 gMC->Gsatt("FWL2","seen",1);
789 gMC->Gsatt("RWL2","seen",1);
790 gMC->Gsatt("MPL2","seen",1);
791 gMC->Gsatt("SPL2","seen",1);
792 gMC->Gsatt("SML2","seen",1);
793 gMC->Gsatt("CPL2","seen",1);
794 gMC->Gsatt("C1L2","seen",1);
795 gMC->Gsatt("C2L2","seen",1);
796 gMC->Gsatt("GKL2","seen",1);
797 gMC->Gsatt("SCL2","seen",1);
798 gMC->Gsatt("SEL2","seen",1);
799 gMC->Gsatt("CEL2","seen",1);
800 gMC->Gsatt("IWR1","seen",1);
801 gMC->Gsatt("FWR1","seen",1);
802 gMC->Gsatt("RWR1","seen",1);
803 gMC->Gsatt("MPR1","seen",1);
804 gMC->Gsatt("SPR1","seen",1);
805 gMC->Gsatt("SMR1","seen",1);
806 gMC->Gsatt("CPR1","seen",1);
807 gMC->Gsatt("C1R1","seen",1);
808 gMC->Gsatt("C2R1","seen",1);
809 gMC->Gsatt("GKR1","seen",1);
810 gMC->Gsatt("SCR1","seen",1);
811 gMC->Gsatt("SER1","seen",1);
812 gMC->Gsatt("CER1","seen",1);
813 gMC->Gsatt("IWL1","seen",1);
814 gMC->Gsatt("FWL1","seen",1);
815 gMC->Gsatt("RWL1","seen",1);
816 gMC->Gsatt("MPL1","seen",1);
817 gMC->Gsatt("SPL1","seen",1);
818 gMC->Gsatt("SML1","seen",1);
819 gMC->Gsatt("CPL1","seen",1);
820 gMC->Gsatt("C1L1","seen",1);
821 gMC->Gsatt("C2L1","seen",1);
822 gMC->Gsatt("GKL1","seen",1);
823 gMC->Gsatt("SCL1","seen",1);
824 gMC->Gsatt("SEL1","seen",1);
825 gMC->Gsatt("CEL1","seen",1);
826 gMC->Gsatt("IWL4","seen",1);
827 gMC->Gsatt("FWL4","seen",1);
828 gMC->Gsatt("RWL4","seen",1);
829 gMC->Gsatt("MPL4","seen",1);
830 gMC->Gsatt("SPL4","seen",1);
831 gMC->Gsatt("SML4","seen",1);
832 gMC->Gsatt("CPL4","seen",1);
833 gMC->Gsatt("C1L4","seen",1);
834 gMC->Gsatt("C2L4","seen",1);
835 gMC->Gsatt("GKL4","seen",1);
836 gMC->Gsatt("SCL4","seen",1);
837 gMC->Gsatt("SEL4","seen",1);
838 gMC->Gsatt("CEL4","seen",1);
840 gMC->Gdopt("hide", "on");
841 gMC->Gdopt("shad", "on");
842 gMC->Gsatt("*", "fill", 7);
843 gMC->SetClipBox(".");
844 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
846 gMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
847 gMC->Gdhead(1111, "Forward Multiplicity Detector version 1");
848 gMC->Gdman(13, 9, "MAN");
851 //_____________________________________________________________________________
852 void AliFMDv1::CreateMaterials()
855 // Create materials for version 1 of FMD
859 Float_t ast[4] = { 55.847,58.71,51.996,47.9 };
860 Float_t zst[4] = { 26.,28.,24.,22. };
861 Float_t wst[4] = { .6,.18,.12,.1 };
862 // Lead glass for MCP
863 Float_t amcp[3] = { 15.9994,28.086,207.19 };
864 Float_t zmcp[3] = { 8.,14.,82. };
865 Float_t wmcp[3] = { .43,.375,.195 };
866 // Ceramic for plates
867 Float_t acer[2] = { 26.98,15.9994 };
868 Float_t zcer[2] = { 13.,8. };
869 Float_t wcer[2] = { .4,.6 };
871 Float_t epsil, stmin, deemax, tmaxfd, stemax;
873 Int_t ISXFLD = gAlice->Field()->Integ();
874 Float_t SXMGMX = gAlice->Field()->Max();
878 AliMaterial(2, "SI$", 28.086, 14., 2.33, 9.36, 45.5);
882 AliMaterial(4, "FE$", 55.85, 26., 8.3, 1.67, 15.9);
886 AliMixture(0, "FMD_STEEL$", ast, zst, 7.9, 4, wst);
890 AliMixture(1, "FMD_MCP$", amcp, zmcp, 1.55, 3, wmcp);
894 AliMixture(3, "FMD_CERAMIC$", acer, zcer, 3.96, -2, wcer);
895 // *******************************************************
896 // Defines tracking media parameters.
897 // *******************************************************
898 epsil = .001; // Tracking precision, DLS
899 stemax = -1.; // Maximum displacement for multiple scattering
900 tmaxfd = -20.; // Maximum angle due to field deflection
901 deemax = -.3; // Maximum fractional energy loss, DLS
903 // ********************************************************
904 AliMedium(0, "STEEL_L3 ", 0, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
905 AliMedium(1, "LEAD_GLASS_L3 ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
906 AliMedium(2, "SILICON_L3 ", 2, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
907 AliMedium(3, "CERAMIC_L3 ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
908 AliMedium(4, "COVAR_L3 ", 4, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);