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Some new materials and media defined
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69efe7cb 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
16/*
17$Log$
d12d92a5 18Revision 1.2 2000/10/07 10:42:43 barbera
19Mother volume ITSV corrected
20
c6e3abc5 21Revision 1.1 2000/10/06 23:09:12 barbera
22New coarse geometry (symmetric services
23
69efe7cb 24Revision 1.20 2000/10/02 21:28:08 fca
25Removal of useless dependecies via forward declarations
26
27Revision 1.19 2000/07/10 16:07:19 fca
28Release version of ITS code
29
30Revision 1.14.2.2 2000/05/19 10:09:21 nilsen
31fix for bug with HP and Sun unix + fix for event display in ITS-working branch
32
33Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
34Fixed up the comments/documentation.
35
36Revision 1.14 1999/11/25 06:52:56 fca
37Correct value of drca
38
39Revision 1.13.2.1 1999/11/25 06:52:21 fca
40Correct value of drca
41
42Revision 1.13 1999/10/27 11:16:26 fca
43Correction of problem in geometry
44
45Revision 1.12 1999/10/22 08:25:25 fca
46remove double definition of destructors
47
48Revision 1.11 1999/10/22 08:16:49 fca
49Correct destructors, thanks to I.Hrivnacova
50
51Revision 1.10 1999/10/06 19:56:50 fca
52Add destructor
53
54Revision 1.9 1999/10/05 08:05:09 fca
55Minor corrections for uninitialised variables.
56
57Revision 1.8 1999/09/29 09:24:20 fca
58Introduction of the Copyright and cvs Log
59
60*/
61
62///////////////////////////////////////////////////////////////////////////////
63// //
64// Inner Traking System version PPR coarse symmetric //
65// This class contains the base procedures for the Inner Tracking System //
66// //
67// Authors: R. Barbera
68// version 6.
69// Created 2000.
70//
71// NOTE: THIS IS THE COARSE SYMMETRIC PPR geometry of the ITS.
72// THIS WILL NOT WORK
73// with the geometry or module classes or any analysis classes. You are
74// strongly encouraged to uses AliITSv5.
75// //
76///////////////////////////////////////////////////////////////////////////////
77
78#include <TMath.h>
79#include <TRandom.h>
80#include <TVector.h>
81#include <TGeometry.h>
82#include <TNode.h>
83#include <TTUBE.h>
84#include <TFile.h> // only required for Tracking function?
85#include <TCanvas.h>
86#include <TObjArray.h>
87#include <TClonesArray.h>
88
89
90#include "AliMC.h"
91#include "AliMagF.h"
92#include "AliConst.h"
93
94#include "AliITShit.h"
95#include "AliITSvPPRcoarsesymm.h"
96#include "AliRun.h"
97
98
99ClassImp(AliITSvPPRcoarsesymm)
100
101//_____________________________________________________________________________
102AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm() {
103////////////////////////////////////////////////////////////////////////
104// Standard default constructor for the ITS version 7.
105////////////////////////////////////////////////////////////////////////
106
107 fIdN = 6;
108 fIdName = new TString[fIdN];
109 fIdName[0] = "ITS1";
110 fIdName[1] = "ITS2";
111 fIdName[2] = "ITS3";
112 fIdName[3] = "ITS4";
113 fIdName[4] = "ITS5";
114 fIdName[5] = "ITS6";
115 fIdSens = new Int_t[fIdN];
116 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length();
117}
118//_____________________________________________________________________________
119AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const char *name, const char *title) : AliITS(name, title){
120////////////////////////////////////////////////////////////////////////
121// Standard constructor for the ITS version 7.
122////////////////////////////////////////////////////////////////////////
123
124 fIdN = 6;
125 fIdName = new TString[fIdN];
126 fIdName[0] = "ITS1";
127 fIdName[1] = "ITS2";
128 fIdName[2] = "ITS3";
129 fIdName[3] = "ITS4";
130 fIdName[4] = "ITS5";
131 fIdName[5] = "ITS6";
132 fIdSens = new Int_t[fIdN];
133 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length();
134
135}
136//____________________________________________________________________________
137AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const AliITSvPPRcoarsesymm &source){
138////////////////////////////////////////////////////////////////////////
139// Copy Constructor for ITS version 7.
140////////////////////////////////////////////////////////////////////////
141 if(&source == this) return;
142 printf("Not allowed to copy AliITSvPPRcoarsesymm\n");
143 return;
144}
145//_____________________________________________________________________________
146AliITSvPPRcoarsesymm& AliITSvPPRcoarsesymm::operator=(const AliITSvPPRcoarsesymm &source){
147////////////////////////////////////////////////////////////////////////
148// Assignment operator for the ITS version 7.
149////////////////////////////////////////////////////////////////////////
150 if(&source == this) return *this;
151 printf("Not allowed to copy AliITSvPPRcoarsesymm\n");
152 return *this;
153}
154//_____________________________________________________________________________
155AliITSvPPRcoarsesymm::~AliITSvPPRcoarsesymm() {
156////////////////////////////////////////////////////////////////////////
157// Standard destructor for the ITS version 7.
158////////////////////////////////////////////////////////////////////////
159}
160
161//__________________________________________________________________________
162void AliITSvPPRcoarsesymm::BuildGeometry(){
163////////////////////////////////////////////////////////////////////////
164// Geometry builder for the ITS version 7.
165////////////////////////////////////////////////////////////////////////
166 TNode *node, *top;
167 const int kColorITS=kYellow;
168 //
169 top = gAlice->GetGeometry()->GetNode("alice");
170
171 new TTUBE("S_layer1","Layer1 of ITS","void",3.95,3.95+0.05475,12.25);
172 top->cd();
173 node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
174 node->SetLineColor(kColorITS);
175 fNodes->Add(node);
176
177 new TTUBE("S_layer2","Layer2 of ITS","void",7.,7.+0.05475,16.3);
178 top->cd();
179 node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
180 node->SetLineColor(kColorITS);
181 fNodes->Add(node);
182
183 new TTUBE("S_layer3","Layer3 of ITS","void",15.,15.+0.05288,21.1);
184 top->cd();
185 node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
186 node->SetLineColor(kColorITS);
187 fNodes->Add(node);
188
189 new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
190 top->cd();
191 node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
192 node->SetLineColor(kColorITS);
193 fNodes->Add(node);
194
195 new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
196 top->cd();
197 node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
198 node->SetLineColor(kColorITS);
199 fNodes->Add(node);
200
201 new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
202 top->cd();
203 node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
204 node->SetLineColor(kColorITS);
205 fNodes->Add(node);
206}
207//_____________________________________________________________________________
208void AliITSvPPRcoarsesymm::CreateGeometry(){
209////////////////////////////////////////////////////////////////////////
210// This routine defines and Creates the geometry for version 7 of the ITS.
211////////////////////////////////////////////////////////////////////////
212
213 //INNER RADII OF THE SILICON LAYERS
214 Float_t rl[6] = { 3.95,7.,15.,24.,38.1,43.5765 };
215 //THICKNESSES OF LAYERS (in % radiation length)
216 Float_t drl[6] = { 1.03,1.03+0.36,0.34+0.94,0.95,0.34+0.91,0.87 };
217 //HALF LENGTHS OF LAYERS
218 Float_t dzl[6] = { 14.344,14.344,25.1,32.1,49.405,55.27 };
219 //LENGTHS OF END-LADDER BOXES (ALL INCLUDED)
220 Float_t dzb[6] = { 17.,17.,15.,17.,12.,11. }; // check !!
221 //THICKNESSES OF END-LADDER BOXES (ALL INCLUDED)
222 Float_t drb[6] = { 1.5,1.5,5.,5.,3.,3. }; // check spd and ssd !!
223
224
225 Float_t dits[3], rlim, zmax;
226 Float_t zpos;
227 Float_t pcits[15], xltpc;
228 Int_t idrotm[399], i;
229 Float_t dgh[50];
230
231 Int_t *idtmed = fIdtmed->GetArray()-199;
232
233 // CONVERT INTO CM (RL(SI)=9.36 CM)
234 for (i = 0; i < 6; ++i) {
235 drl[i] = drl[i] / 100. * 9.36;
236 }
237
238 // FIELD CAGE HALF LENGTH
239
240 rlim = 56.;
241 zmax = 76.708;
242 xltpc = 284.;
243
c6e3abc5 244 // --- Define ghost volume containing the whole ITS (including services)
245 // and fill it with air
246
247 dgh[0] = 0.;
248 dgh[1] = 360.;
249 dgh[2] = 12.;
250 dgh[3] = -xltpc-5.-0.1;
251 dgh[4] = 62.4;
252 dgh[5] = 85.;
253 dgh[6] = -xltpc;
254 dgh[7] = 61.5;
255 dgh[8] = 85.;
256 dgh[9] = -xltpc;
257 dgh[10] = 61.5;
258 dgh[11] = 61.5+4.;
259 dgh[12] = -100.7;
260 dgh[13] = 44.9;
261 dgh[14] = 56.1;
262 dgh[15] = -76.708;
263 dgh[16] = 44.9;
264 dgh[17] = 56.1;
265 dgh[18] = -36.;
266 dgh[19] = 3.29;
267 dgh[20] = 56.1;
268 dgh[21] = 36.;
269 dgh[22] = 3.29;
270 dgh[23] = 56.1;
271 dgh[24] = 76.708;
272 dgh[25] = 44.9;
273 dgh[26] = 56.1;
274 dgh[27] = 100.7;
275 dgh[28] = 44.9;
276 dgh[29] = 56.1;
277 dgh[30] = xltpc;
278 dgh[31] = 61.5;
279 dgh[32] = 61.5+4.;
280 dgh[33] = xltpc;
281 dgh[34] = 61.5;
282 dgh[35] = 85.;
283 dgh[36] = xltpc+4.+0.1;
284 dgh[37] = 62.4;
285 dgh[38] = 85.;
286
287 gMC->Gsvolu("ITSV", "PCON", idtmed[275], dgh, 39);
288
289 // --- Place the ghost volume in its mother volume (ALIC) and make it
290 // invisible
291
292 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
293 //gMC->Gsatt("ITSV", "SEEN", 0);
294
69efe7cb 295
296 // --- Define ghost volume containing the six layers and fill it with air
297
298 dgh[0] = 0.;
299 dgh[1] = 360.;
300 dgh[2] = 4.;
301 dgh[3] = -76.708;
302 dgh[4] = 45.;
303 dgh[5] = 56.;
304 dgh[6] = -36.;
305 dgh[7] = 3.3;
306 dgh[8] = 56.;
307 dgh[9] = 36.;
308 dgh[10] = 3.3;
309 dgh[11] = 56.;
310 dgh[12] = 76.708;
311 dgh[13] = 45.;
312 dgh[14] = 56.;
c6e3abc5 313 gMC->Gsvolu("ITSD", "PCON", idtmed[275], dgh, 15);
69efe7cb 314
c6e3abc5 315 // --- Place the ghost volume in its mother volume (ALIC) and make it
69efe7cb 316 // invisible
317
c6e3abc5 318 gMC->Gspos("ITSD", 1, "ITSV", 0., 0., 0., 0, "ONLY");
69efe7cb 319 //gMC->Gsatt("ITSV", "SEEN", 0);
320
321 // ITS LAYERS (SILICON)
322
323 dits[0] = rl[0];
324 dits[1] = rl[0] + drl[0];
325 dits[2] = dzl[0];
326 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
c6e3abc5 327 gMC->Gspos("ITS1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 328
329 dits[0] = rl[1];
330 dits[1] = rl[1] + drl[1];
331 dits[2] = dzl[1];
332 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
c6e3abc5 333 gMC->Gspos("ITS2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 334
335 dits[0] = rl[2];
336 dits[1] = rl[2] + drl[2];
337 dits[2] = dzl[2];
338 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
c6e3abc5 339 gMC->Gspos("ITS3", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 340
341 dits[0] = rl[3];
342 dits[1] = rl[3] + drl[3];
343 dits[2] = dzl[3];
344 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
c6e3abc5 345 gMC->Gspos("ITS4", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 346
347 dits[0] = rl[4];
348 dits[1] = rl[4] + drl[4];
349 dits[2] = dzl[4];
350 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
c6e3abc5 351 gMC->Gspos("ITS5", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 352
353 dits[0] = rl[5];
354 dits[1] = rl[5] + drl[5];
355 dits[2] = dzl[5];
356 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
c6e3abc5 357 gMC->Gspos("ITS6", 1, "ITSD", 0., 0., 0., 0, "ONLY");
69efe7cb 358
d12d92a5 359 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SPD
69efe7cb 360
d12d92a5 361 gMC->Gsvolu("IEL1", "TUBE", idtmed[208], dits, 0);
362 for (i = 0; i < 2; i++) {
69efe7cb 363 dits[0] = rl[i];
364 dits[1] = dits[0] + drb[i];
365 dits[2] = dzb[i] / 2.;
366 zpos = dzl[i] + dits[2];
d12d92a5 367 gMC->Gsposp("IEL1", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
368 gMC->Gsposp("IEL1", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
69efe7cb 369 }
d12d92a5 370
371 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SDD
372
373 gMC->Gsvolu("IEL2", "TUBE", idtmed[237], dits, 0);
374 for (i = 2; i < 4; i++) {
375 dits[0] = rl[i];
376 dits[1] = dits[0] + drb[i];
377 dits[2] = dzb[i] / 2.;
378 zpos = dzl[i] + dits[2];
379 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
380 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
381 }
382
383 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SSD
384
385 gMC->Gsvolu("IEL3", "TUBE", idtmed[263], dits, 0);
386 for (i = 4; i < 6; i++) {
387 dits[0] = rl[i];
388 dits[1] = dits[0] + drb[i];
389 dits[2] = dzb[i] / 2.;
390 zpos = dzl[i] + dits[2];
391 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
392 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
393 }
69efe7cb 394
69efe7cb 395 // DEFINE END CONES FOR SPD
396
397 pcits[0] = 0.;
398 pcits[1] = 360.;
399 pcits[2] = 2.;
400 pcits[3] = 32.;
401 pcits[4] = (rl[0]+rl[1])/2.;
402 pcits[5] = (rl[0]+rl[1])/2.+2.; // check thickness !!
403 pcits[6] = 39.4;
404 pcits[7] = 10.065;
405 pcits[8] = 10.065+2.; // check thickness !!
d12d92a5 406 gMC->Gsvolu("ICO1", "PCON", idtmed[209], pcits, 9);
69efe7cb 407 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
c6e3abc5 408 gMC->Gspos("ICO1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
409 gMC->Gspos("ICO1", 2, "ITSD", 0., 0., 0., idrotm[200], "ONLY");
69efe7cb 410
411
412 // DEFINE END CONES FOR SDD
413
414 pcits[0] = 0.;
415 pcits[1] = 360.;
416 pcits[2] = 2.;
417 pcits[3] = 39.4;
418 pcits[4] = 10.065;
419 pcits[5] = 10.065+3.0; // check thickness !!
420 pcits[6] = 57.4;
421 pcits[7] = 28.;
422 pcits[8] = 28.+3.0; // check thickness !!
d12d92a5 423 gMC->Gsvolu("ICO2", "PCON", idtmed[238], pcits, 9);
c6e3abc5 424 gMC->Gspos("ICO2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
425 gMC->Gspos("ICO2", 2, "ITSD", 0., 0., 0., idrotm[200], "ONLY");
69efe7cb 426
427
428 // DEFINE END CONES FOR SSD
429
430 pcits[0] = 0.;
431 pcits[1] = 360.;
432 pcits[2] = 2.;
433 pcits[3] = 57.4;
434 pcits[4] = 28.0;
435 pcits[5] = 28.0+4.0; // check thickness !!
436 pcits[6] = 74.0;
437 pcits[7] = 47.;
438 pcits[8] = 47.+4.0; // check thickness !!
d12d92a5 439 gMC->Gsvolu("ICO3", "PCON", idtmed[264], pcits, 9);
c6e3abc5 440 gMC->Gspos("ICO3", 1, "ITSD", 0., 0., 0., 0, "ONLY");
441 gMC->Gspos("ICO3", 2, "ITSD", 0., 0., 0., idrotm[200], "ONLY");
69efe7cb 442
443
444 // SERVICES
445
446
447 // --- Define cables at the end of the ITS cones
448
449 dgh[0] = 45.;
450 dgh[1] = 56.;
451 dgh[2] = 9.75;
452
d12d92a5 453 gMC->Gsvolu("ICA1", "TUBE", idtmed[281], dgh, 3);
c6e3abc5 454 gMC->Gspos("ICA1", 1, "ITSV", 0., 0., 86.45, 0, "ONLY");
455 gMC->Gspos("ICA1", 2, "ITSV", 0., 0., -86.45, idrotm[200], "ONLY");
69efe7cb 456
457 // --- Define patch panels at the end of the ITS cones
458
459 dgh[0] = 45.;
460 dgh[1] = 56.;
461 dgh[2] = 2.25;
462
d12d92a5 463 gMC->Gsvolu("IPAN", "TUBE", idtmed[282], dgh, 3); // check medium !!!
c6e3abc5 464 gMC->Gspos("IPAN", 1, "ITSV", 0., 0., 98.45, 0, "ONLY");
465 gMC->Gspos("IPAN", 2, "ITSV", 0., 0., -98.45, idrotm[200], "ONLY");
69efe7cb 466
d12d92a5 467 // --- Define cables/cooling below the TPC
69efe7cb 468
469 dgh[0] = 0.;
470 dgh[1] = 360.;
471 dgh[2] = 2.;
472 dgh[3] = 100.7;
473 dgh[4] = 45.2;
474 dgh[5] = 50.53; // same cross section
475 dgh[6] = xltpc;
476 dgh[7] = 61.8;
477 dgh[8] = 65.8; // same cross section
d12d92a5 478 gMC->Gsvolu("ICC1", "PCON", idtmed[283], dgh, 9);
c6e3abc5 479 gMC->Gspos("ICC1", 1, "ITSV", 0., 0., 0., 0, "ONLY");
480 gMC->Gspos("ICC1", 2, "ITSV", 0., 0., 0., idrotm[200], "ONLY");
69efe7cb 481
482 // --- Define cables/cooling behind the TPC
483
484 dgh[0] = 0.;
485 dgh[1] = 360.;
486 dgh[2] = 2.;
487 dgh[3] = xltpc;
488 dgh[4] = 62.5;
489 dgh[5] = 74.5;
490 dgh[6] = xltpc+4.;
491 dgh[7] = 62.5;
492 dgh[8] = 74.5;
d12d92a5 493 gMC->Gsvolu("ICC2", "PCON", idtmed[283], dgh, 9);
c6e3abc5 494 gMC->Gspos("ICC2", 1, "ITSV", 0., 0., 0., 0, "ONLY");
495 gMC->Gspos("ICC2", 2, "ITSV", 0., 0., 0., idrotm[200], "ONLY");
69efe7cb 496
d12d92a5 497 // --- Define hook to the TPC on other side w.r.t. the absorber
69efe7cb 498
499 dgh[0] = 74.5;
500 dgh[1] = 79.5;
501 dgh[2] = 2.5;
d12d92a5 502 gMC->Gsvolu("IHOK", "TUBE", idtmed[284], dgh, 3);
c6e3abc5 503 gMC->Gspos("IHOK", 1, "ITSV", 0., 0., -xltpc-dgh[2], 0, "ONLY");
69efe7cb 504
505
506 // --- Outputs the geometry tree in the EUCLID/CAD format
507
508 if (fEuclidOut) {
509 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
510 }
511}
512//_____________________________________________________________________________
513void AliITSvPPRcoarsesymm::CreateMaterials(){
514////////////////////////////////////////////////////////////////////////
515 //
516 // Create ITS materials
517 // This function defines the default materials used in the Geant
518 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
519 // AliITSvPPRcoarsesymm, AliITSvPPRcoarseasymm.
520 // In general it is automatically replaced by
521 // the CreatMaterials routine defined in AliITSv?. Should the function
522 // CreateMaterials not exist for the geometry version you are using this
523 // one is used. See the definition found in AliITSv5 or the other routine
524 // for a complete definition.
525 //
526 // Water H2O
527 Float_t awat[2] = { 1.00794,15.9994 };
528 Float_t zwat[2] = { 1.,8. };
529 Float_t wwat[2] = { 2.,1. };
530 Float_t denswat = 1.;
531 // Freon
532 Float_t afre[2] = { 12.011,18.9984032 };
533 Float_t zfre[2] = { 6.,9. };
534 Float_t wfre[2] = { 5.,12. };
535 Float_t densfre = 1.5;
536 // Ceramics
537 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
538 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
539 Float_t zcer[5] = { 13.,8.,14.,25., 24. };
540 Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
541 Float_t denscer = 3.6;
542 //
543 // 60% SiO2 , 40% G10FR4
544 // PC board
545 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
546 Float_t zpcb[3] = { 14.,8.,8.875 };
547 Float_t wpcb[3] = { .28,.32,.4 };
548 Float_t denspcb = 1.8;
549 // POLYETHYL
550 Float_t apoly[2] = { 12.01,1. };
551 Float_t zpoly[2] = { 6.,1. };
552 Float_t wpoly[2] = { .33,.67 };
d12d92a5 553 // old SERVICES
69efe7cb 554 Float_t zserv[4] = { 1.,6.,26.,29. };
555 Float_t aserv[4] = { 1.,12.,55.8,63.5 };
556 Float_t wserv[4] = { .014,.086,.42,.48 };
d12d92a5 557 // Stainless steel
558 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
559 Float_t zsteel[4] = { 26.,24.,28.,14. };
560 Float_t wsteel[4] = { .715,.18,.1,.005 };
561
69efe7cb 562
563 Int_t isxfld = gAlice->Field()->Integ();
564 Float_t sxmgmx = gAlice->Field()->Max();
565
566
567 // --- Define the various materials for GEANT ---
568
569 // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
570
571 AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
572 AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
573 AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
574 AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
575 // v. dens
576 AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
577 AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
578 AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
579 AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
580 AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
d12d92a5 581 AliMaterial(9, "SPD End ladder$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
582 AliMaterial(10, "SPD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
69efe7cb 583 // **
d12d92a5 584 AliMedium(0, "SPD Si$", 0, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
585 AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
586 AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
587 AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
588 AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
589 AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
590 AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
591 AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
592 AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
593 AliMedium(9, "SPD End ladder",9, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
594 AliMedium(10, "SPD cone$", 10, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 595
596 // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
597
598 AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
599 AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
600 AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
601 AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
602 // v. dens
603 AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
604 AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
605 AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
606 // After a call with ratios by number (negative number of elements),
607 // the ratio array is changed to the ratio by weight, so all successive
608 // calls with the same array must specify the number of elements as
609 // positive
610 AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
611 // After a call with ratios by number (negative number of elements),
612 // the ratio array is changed to the ratio by weight, so all successive
613 // calls with the same array must specify the number of elements as
614 // positive
615 AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
616 AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
617 AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
618 AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
619 AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
d12d92a5 620 AliMaterial(38, "SDD End ladder$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
621 AliMaterial(39, "SDD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
69efe7cb 622 // **
623 // check A and Z
d12d92a5 624 AliMedium(25, "SDD Si$", 25, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 625 AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
626 AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
627 AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
628 AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
629 AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
630 AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
631 AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
632 AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
633 AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
634 AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
635 AliMedium(36, "SDD Ceramics$",36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
636 AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
d12d92a5 637 AliMedium(38, "SDD End ladder",38, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
638 AliMedium(39, "SDD cone$", 39, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 639
640 // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
641
642 AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
643 AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
644 AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
645 AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
646 // v. dens
647 AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
648 AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
649 AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
650 // After a call with ratios by number (negative number of elements),
651 // the ratio array is changed to the ratio by weight, so all successive
652 // calls with the same array must specify the number of elements as
653 // positive
654 AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
655 // After a call with ratios by number (negative number of elements),
656 // the ratio array is changed to the ratio by weight, so all successive
657 // calls with the same array must specify the number of elements as
658 // positive
659 AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
660 AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
661 AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
662 // After a call with ratios by number (negative number of elements),
663 // the ratio array is changed to the ratio by weight, so all successive
664 // calls with the same array must specify the number of elements as
665 // positive
666 AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
667 AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
668 // check A and Z
d12d92a5 669 AliMaterial(63, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
670 AliMaterial(64, "SSD End ladder$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
671 AliMaterial(65, "SSD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
69efe7cb 672 // **
d12d92a5 673 AliMedium(50, "SSD Si$", 50, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 674 AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
675 AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
676 AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
677 AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
678 AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
679 AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
680 AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
681 AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
682 AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
683 AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
684 AliMedium(61, "SSD Ceramics$",61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
685 AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
686 AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
d12d92a5 687 AliMedium(64, "SPD End ladder",64, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
688 AliMedium(65, "SPD cone$", 65, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 689
690 // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
691
692 AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
693 // verify density
694 AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
695 AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
696 AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
697 AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
698 AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
699 // After a call with ratios by number (negative number of elements),
700 // the ratio array is changed to the ratio by weight, so all successive
701 // calls with the same array must specify the number of elements as
702 // positive
703 AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
d12d92a5 704 AliMaterial(82, "GEN Cables$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
705 AliMaterial(83, "GEN patch pan$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
706 AliMaterial(84, "GEN serv$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
707 AliMixture(85, "GEN Inox$", asteel, zsteel, 7.88, 4, wsteel);
69efe7cb 708 // **
709 AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
710 AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
711 AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
712 AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
713 AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
714 AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
715 AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
d12d92a5 716 AliMedium(82,"GEN Cables$", 82, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
717 AliMedium(83,"GEN patch pan$",83, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
718 AliMedium(84,"GEN serv$", 84, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
719 AliMedium(85,"GEN Inox$", 85, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
69efe7cb 720}
721//_____________________________________________________________________________
722void AliITSvPPRcoarsesymm::Init(){
723////////////////////////////////////////////////////////////////////////
724// Initialise the ITS after it has been created.
725////////////////////////////////////////////////////////////////////////
726
727 //
728 AliITS::Init();
729 fMajorVersion = 1;
730 fMinorVersion = 0;
731}
732
733//_____________________________________________________________________________
734void AliITSvPPRcoarsesymm::DrawModule(){
735////////////////////////////////////////////////////////////////////////
736// Draw a shaded view of the FMD version 6.
737////////////////////////////////////////////////////////////////////////
738
739 // Set everything unseen
740 gMC->Gsatt("*", "seen", -1);
741 //
742 // Set ALIC mother visible
743 gMC->Gsatt("ALIC","SEEN",0);
744 //
745 // Set the volumes visible
746 gMC->Gsatt("ITSD","SEEN",0);
747 gMC->Gsatt("ITS1","SEEN",1);
748 gMC->Gsatt("ITS2","SEEN",1);
749 gMC->Gsatt("ITS3","SEEN",1);
750 gMC->Gsatt("ITS4","SEEN",1);
751 gMC->Gsatt("ITS5","SEEN",1);
752 gMC->Gsatt("ITS6","SEEN",1);
753
754 gMC->Gsatt("IPCB","SEEN",1);
755 gMC->Gsatt("ICO2","SEEN",1);
756 gMC->Gsatt("ICER","SEEN",0);
757 gMC->Gsatt("ISI2","SEEN",0);
758 gMC->Gsatt("IPLA","SEEN",0);
759 gMC->Gsatt("ICO3","SEEN",0);
760 gMC->Gsatt("IEPX","SEEN",0);
761 gMC->Gsatt("ISI3","SEEN",1);
762 gMC->Gsatt("ISUP","SEEN",0);
763 gMC->Gsatt("ICHO","SEEN",0);
764 gMC->Gsatt("ICMO","SEEN",0);
765 gMC->Gsatt("ICMD","SEEN",0);
766 gMC->Gsatt("ICCO","SEEN",1);
767 gMC->Gsatt("ICCM","SEEN",0);
768 gMC->Gsatt("ITMD","SEEN",0);
769 gMC->Gsatt("ITTT","SEEN",1);
770
771 //
772 gMC->Gdopt("hide", "on");
773 gMC->Gdopt("shad", "on");
774 gMC->Gsatt("*", "fill", 7);
775 gMC->SetClipBox(".");
776 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
777 gMC->DefaultRange();
778 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
779 gMC->Gdhead(1111, "Inner Tracking System Version 1");
780 gMC->Gdman(17, 6, "MAN");
781}
782//_____________________________________________________________________________
783void AliITSvPPRcoarsesymm::StepManager(){
784////////////////////////////////////////////////////////////////////////
785// Called for every step in the ITS, then calls the AliITShit class
786// creator with the information to be recoreded about that hit.
787////////////////////////////////////////////////////////////////////////
c6e3abc5 788
789/*
69efe7cb 790 Int_t copy, id;
791 Float_t hits[8];
792 Int_t vol[4];
793 TLorentzVector position, momentum;
794// TClonesArray &lhits = *fHits;
795//
796// no hits for this coarse symmetric version.
797//
798
799 //
800 // Track status
801 vol[3] = 0;
802 if(gMC->IsTrackInside()) vol[3] += 1;
803 if(gMC->IsTrackEntering()) vol[3] += 2;
804 if(gMC->IsTrackExiting()) vol[3] += 4;
805 if(gMC->IsTrackOut()) vol[3] += 8;
806 if(gMC->IsTrackDisappeared()) vol[3] += 16;
807 if(gMC->IsTrackStop()) vol[3] += 32;
808 if(gMC->IsTrackAlive()) vol[3] += 64;
809 //
810 // Fill hit structure.
811 if( !(gMC->TrackCharge()) ) return;
812 //
813 // Only entering charged tracks
814 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
815 vol[0]=1;
816 id=gMC->CurrentVolOffID(1,copy);
817 vol[1]=copy;
818 id=gMC->CurrentVolOffID(2,copy);
819 vol[2]=copy;
820 } else if(id==fIdSens[1]) {
821 vol[0]=2;
822 id=gMC->CurrentVolOffID(1,copy);
823 vol[1]=copy;
824 id=gMC->CurrentVolOffID(2,copy);
825 vol[2]=copy;
826 } else if(id==fIdSens[2]) {
827 vol[0]=3;
828 vol[1]=copy;
829 id=gMC->CurrentVolOffID(1,copy);
830 vol[2]=copy;
831 } else if(id==fIdSens[3]) {
832 vol[0]=4;
833 vol[1]=copy;
834 id=gMC->CurrentVolOffID(1,copy);
835 vol[2]=copy;
836 } else if(id==fIdSens[4]) {
837 vol[0]=5;
838 vol[1]=copy;
839 id=gMC->CurrentVolOffID(1,copy);
840 vol[2]=copy;
841 } else if(id==fIdSens[5]) {
842 vol[0]=6;
843 vol[1]=copy;
844 id=gMC->CurrentVolOffID(1,copy);
845 vol[2]=copy;
846 } else return;
847 gMC->TrackPosition(position);
848 gMC->TrackMomentum(momentum);
849 hits[0]=position[0];
850 hits[1]=position[1];
851 hits[2]=position[2];
852 hits[3]=momentum[0];
853 hits[4]=momentum[1];
854 hits[5]=momentum[2];
855 hits[6]=gMC->Edep();
856 hits[7]=gMC->TrackTime();
857// new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
858//
859// no hits for this coarse symmetric version.
860//
c6e3abc5 861*/
69efe7cb 862}
863/*
864//____________________________________________________________________________
865void AliITSvPPRcoarsesymm::Streamer(TBuffer &R__b){
866////////////////////////////////////////////////////////////////////////
867// A dummy Streamer function for this class AliITSvPPRcoarsesymm. By default it
868// only streams the AliITS class as it is required. Since this class
869// dosen't contain any "real" data to be saved, it doesn't.
870////////////////////////////////////////////////////////////////////////
871
872 if (R__b.IsReading()) {
873 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
874 AliITS::Streamer(R__b);
875 } else {
876 R__b.WriteVersion(AliITSvPPRcoarsesymm::IsA());
877 AliITS::Streamer(R__b);
878 } // end if R__b.IsReading()
879}
880*/