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 **************************************************************************/
18 Revision 1.16 2001/02/09 00:05:31 nilsen
19 Added fMajor/MinorVersion variables and made other changes to better make
20 use of the new code changes in AliITSgeom related classes.
22 Revision 1.15 2001/01/30 09:23:13 hristov
23 Streamers removed (R.Brun)
25 Revision 1.14 2001/01/17 07:41:29 barbera
26 Some media parameters modified
28 Revision 1.13 2001/01/15 13:13:52 barbera
31 Revision 1.12 2000/12/10 16:00:44 barbera
32 Added last definition of special media like end-ladder boxes and cones
34 Revision 1.11 2000/10/30 08:02:25 barbera
35 PCON's changed into simpler CONS and TUBS. Services now allow for the rails to go through them.
37 Revision 1.3.2.7 2000/10/27 17:20:00 barbera
38 Position of rails w.r.t. the interaction point corrected.
40 Revision 1.9 2000/10/27 13:31:29 barbera
41 Rails between ITS and TPC added.
43 Revision 1.8 2000/10/27 13:03:08 barbera
44 Small changes in the SPD volumes and materials
46 Revision 1.6 2000/10/16 14:45:37 barbera
47 Mother volume ITSD modified to avoid some overlaps
49 Revision 1.5 2000/10/16 13:49:15 barbera
50 Services volumes slightly modified and material added following Pierluigi Barberis' information
52 Revision 1.4 2000/10/07 15:33:07 barbera
53 Small corrections to the ITSV mother volume
55 Revision 1.3 2000/10/07 13:06:50 barbera
56 Some new materials and media defined
58 Revision 1.2 2000/10/07 10:42:43 barbera
59 Mother volume ITSV corrected
61 Revision 1.1 2000/10/06 23:09:12 barbera
62 New coarse geometry (symmetric services
64 Revision 1.20 2000/10/02 21:28:08 fca
65 Removal of useless dependecies via forward declarations
67 Revision 1.19 2000/07/10 16:07:19 fca
68 Release version of ITS code
70 Revision 1.14.2.2 2000/05/19 10:09:21 nilsen
71 fix for bug with HP and Sun unix + fix for event display in ITS-working branch
73 Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
74 Fixed up the comments/documentation.
76 Revision 1.14 1999/11/25 06:52:56 fca
79 Revision 1.13.2.1 1999/11/25 06:52:21 fca
82 Revision 1.13 1999/10/27 11:16:26 fca
83 Correction of problem in geometry
85 Revision 1.12 1999/10/22 08:25:25 fca
86 remove double definition of destructors
88 Revision 1.11 1999/10/22 08:16:49 fca
89 Correct destructors, thanks to I.Hrivnacova
91 Revision 1.10 1999/10/06 19:56:50 fca
94 Revision 1.9 1999/10/05 08:05:09 fca
95 Minor corrections for uninitialised variables.
97 Revision 1.8 1999/09/29 09:24:20 fca
98 Introduction of the Copyright and cvs Log
102 ///////////////////////////////////////////////////////////////////////////////
104 // Inner Traking System version PPR coarse symmetric //
105 // This class contains the base procedures for the Inner Tracking System //
107 // Authors: R. Barbera
111 // NOTE: THIS IS THE COARSE SYMMETRIC PPR geometry of the ITS.
112 // THIS WILL NOT WORK
113 // with the geometry or module classes or any analysis classes. You are
114 // strongly encouraged to uses AliITSv5.
116 ///////////////////////////////////////////////////////////////////////////////
117 #include <iostream.h>
121 #include <TGeometry.h>
124 #include <TFile.h> // only required for Tracking function?
126 #include <TObjArray.h>
127 #include <TClonesArray.h>
132 #include "AliConst.h"
134 #include "AliITShit.h"
135 #include "AliITSvPPRcoarsesymm.h"
139 ClassImp(AliITSvPPRcoarsesymm)
141 //_____________________________________________________________________________
142 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm() {
143 ////////////////////////////////////////////////////////////////////////
144 // Standard default constructor for the ITS version 7.
145 ////////////////////////////////////////////////////////////////////////
153 //_____________________________________________________________________________
154 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const char *name, const char *title) : AliITS(name, title){
155 ////////////////////////////////////////////////////////////////////////
156 // Standard constructor for the ITS version 7.
157 ////////////////////////////////////////////////////////////////////////
160 fIdName = new TString[fIdN];
167 fIdSens = new Int_t[fIdN];
168 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=0;
172 //____________________________________________________________________________
173 AliITSvPPRcoarsesymm::AliITSvPPRcoarsesymm(const AliITSvPPRcoarsesymm &source){
174 ////////////////////////////////////////////////////////////////////////
175 // Copy Constructor for ITS version 7.
176 ////////////////////////////////////////////////////////////////////////
177 if(&source == this) return;
178 Warning("Copy Constructor","Not allowed to copy AliITSvPPRcoarsesymm");
181 //_____________________________________________________________________________
182 AliITSvPPRcoarsesymm& AliITSvPPRcoarsesymm::operator=(const AliITSvPPRcoarsesymm &source){
183 ////////////////////////////////////////////////////////////////////////
184 // Assignment operator for the ITS version 7.
185 ////////////////////////////////////////////////////////////////////////
186 if(&source == this) return *this;
187 Warning("= operator","Not allowed to copy AliITSvPPRcoarsesymm");
190 //_____________________________________________________________________________
191 AliITSvPPRcoarsesymm::~AliITSvPPRcoarsesymm() {
192 ////////////////////////////////////////////////////////////////////////
193 // Standard destructor for the ITS version 7.
194 ////////////////////////////////////////////////////////////////////////
197 //__________________________________________________________________________
198 void AliITSvPPRcoarsesymm::BuildGeometry(){
199 ////////////////////////////////////////////////////////////////////////
200 // Geometry builder for the ITS version 7.
201 ////////////////////////////////////////////////////////////////////////
203 const int kColorITS=kYellow;
205 top = gAlice->GetGeometry()->GetNode("alice");
207 new TTUBE("S_layer1","Layer1 of ITS","void",3.95,3.95+0.05475,12.25);
209 node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
210 node->SetLineColor(kColorITS);
213 new TTUBE("S_layer2","Layer2 of ITS","void",7.,7.+0.05475,16.3);
215 node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
216 node->SetLineColor(kColorITS);
219 new TTUBE("S_layer3","Layer3 of ITS","void",15.,15.+0.05288,21.1);
221 node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
222 node->SetLineColor(kColorITS);
225 new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
227 node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
228 node->SetLineColor(kColorITS);
231 new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
233 node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
234 node->SetLineColor(kColorITS);
237 new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
239 node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
240 node->SetLineColor(kColorITS);
243 //_____________________________________________________________________________
244 void AliITSvPPRcoarsesymm::CreateGeometry(){
245 ////////////////////////////////////////////////////////////////////////
246 // This routine defines and Creates the geometry for version 7 of the ITS.
247 ////////////////////////////////////////////////////////////////////////
249 //INNER RADII OF THE SILICON LAYERS
250 Float_t rl[6] = { 3.8095,7.,15.,24.,38.1,43.5765 };
251 //THICKNESSES OF LAYERS (in % radiation length)
252 Float_t drl[6] = { 1.03,1.03,0.94,0.95,0.91,0.87 };
253 //HALF LENGTHS OF LAYERS
254 Float_t dzl[6] = { 14.35,14.35,25.1,32.1,49.405,55.27 };
255 //LENGTHS OF END-LADDER BOXES (ALL INCLUDED)
256 Float_t dzb[6] = { 12.4,12.4,13.5,15.,7.5,7.5 };
257 //THICKNESSES OF END-LADDER BOXES (ALL INCLUDED)
258 Float_t drb[6] = { rl[1]-rl[0],0.2,5.,5.,4.,4. };
261 Float_t dits[3], rlim, zmax;
263 Float_t pcits[15], xltpc;
264 Int_t idrotm[399], i;
267 Int_t *idtmed = fIdtmed->GetArray()-199;
269 // CONVERT INTO CM (RL(SI)=9.36 CM)
270 for (i = 0; i < 6; ++i) {
271 drl[i] = drl[i] / 100. * 9.36;
274 // FIELD CAGE HALF LENGTH
280 // --- Define ghost volume containing the whole ITS (including services)
281 // and fill it with air
286 dgh[3] = -xltpc-5.-0.1;
340 dgh[36] = xltpc+4.+0.1;
343 gMC->Gsvolu("ITSV", "PCON", idtmed[275], dgh, 39);
345 // --- Place the ghost volume in its mother volume (ALIC) and make it
348 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
349 //gMC->Gsatt("ITSV", "SEEN", 0);
352 // --- Define ghost volume containing the six layers and fill it with air
369 gMC->Gsvolu("ITSD", "PCON", idtmed[275], dgh, 15);
371 // --- Place the ghost volume in its mother volume (ALIC) and make it
374 gMC->Gspos("ITSD", 1, "ITSV", 0., 0., 0., 0, "ONLY");
375 //gMC->Gsatt("ITSV", "SEEN", 0);
377 // ITS LAYERS (SILICON)
380 dits[1] = rl[0] + drl[0];
382 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
383 gMC->Gspos("ITS1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
386 dits[1] = rl[1] + drl[1];
388 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
389 gMC->Gspos("ITS2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
392 dits[1] = rl[2] + drl[2];
394 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
395 gMC->Gspos("ITS3", 1, "ITSD", 0., 0., 0., 0, "ONLY");
398 dits[1] = rl[3] + drl[3];
400 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
401 gMC->Gspos("ITS4", 1, "ITSD", 0., 0., 0., 0, "ONLY");
404 dits[1] = rl[4] + drl[4];
406 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
407 gMC->Gspos("ITS5", 1, "ITSD", 0., 0., 0., 0, "ONLY");
410 dits[1] = rl[5] + drl[5];
412 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
413 gMC->Gspos("ITS6", 1, "ITSD", 0., 0., 0., 0, "ONLY");
415 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SPD
417 gMC->Gsvolu("IEL1", "TUBE", idtmed[208], dits, 0);
418 for (i = 0; i < 2; i++) {
420 dits[1] = dits[0] + drb[i];
421 dits[2] = dzb[i] / 2.;
422 zpos = dzl[i] + dits[2];
423 gMC->Gsposp("IEL1", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
424 gMC->Gsposp("IEL1", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
427 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SDD
429 gMC->Gsvolu("IEL2", "TUBE", idtmed[237], dits, 0);
430 for (i = 2; i < 3; i++) {
432 dits[1] = dits[0] + drb[i];
433 dits[2] = dzb[i] / 2.;
434 zpos = dzl[i] + dits[2];
435 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
436 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
438 for (i = 3; i < 4; i++) {
440 dits[1] = dits[0] + drb[i];
441 dits[2] = dzb[i] / 2.;
442 zpos = dzl[i] + dits[2];
443 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
444 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
448 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SSD
450 gMC->Gsvolu("IEL3", "TUBE", idtmed[263], dits, 0);
451 for (i = 4; i < 5; i++) {
453 dits[1] = dits[0] + drb[i];
454 dits[2] = dzb[i] / 2.;
455 zpos = dzl[i] + dits[2];
456 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
457 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
459 for (i = 5; i < 6; i++) {
460 dits[0] = rl[i]+0.4235;
461 dits[1] = dits[0] + drb[i];
462 dits[2] = dzb[i] / 2.;
463 zpos = dzl[i] + dits[2];
464 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
465 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
468 // DEFINE THERMAL SCREEN FOR SPD
473 gMC->Gsvolu("ICY1", "TUBE", idtmed[274], pcits, 3);
474 gMC->Gspos("ICY1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
476 // DEFINE END CONES FOR SDD
478 pcits[0] = (59.-42.5)/2.;
483 gMC->Gsvolu("ICO1", "CONE", idtmed[238], pcits, 5);
484 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
485 gMC->Gspos("ICO1", 1, "ITSD", 0., 0., 42.5+pcits[0], 0, "ONLY");
486 gMC->Gspos("ICO1", 2, "ITSD", 0., 0., -(42.5+pcits[0]), idrotm[200], "ONLY");
488 // DEFINE CYLINDER BETWEEN SDD AND SSD
490 pcits[0] = (59.5-0.13/2.)/2.;
491 pcits[1] = (59.5+0.13/2.)/2.;
493 gMC->Gsvolu("ICY2", "TUBE", idtmed[274], pcits, 3);
494 gMC->Gspos("ICY2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
496 // DEFINE END CONES FOR SSD
498 pcits[0] = (74.-59.)/2.;
503 gMC->Gsvolu("ICO2", "CONE", idtmed[264], pcits, 5);
504 gMC->Gspos("ICO2", 1, "ITSD", 0., 0., 59.+pcits[0], 0, "ONLY");
505 gMC->Gspos("ICO2", 2, "ITSD", 0., 0., -(59.+pcits[0]), idrotm[200], "ONLY");
511 // --- DEFINE CABLES AT THE END OF THE ITS CONES - COPPER PART
517 gMC->Gsvolu("ICCU", "TUBE", idtmed[279], dgh, 3);
518 gMC->Gspos("ICCU", 1, "ITSV", 0., 0., 86.7, 0, "ONLY");
519 gMC->Gspos("ICCU", 2, "ITSV", 0., 0., -86.7, idrotm[200], "ONLY");
521 // --- DEFINE CABLES AT THE END OF THE ITS CONES - CARBON PART
524 dgh[1] = 46.+1.0+1.5;
527 gMC->Gsvolu("ICCC", "TUBE", idtmed[274], dgh, 3);
528 gMC->Gspos("ICCC", 1, "ITSV", 0., 0., 86.7, 0, "ONLY");
529 gMC->Gspos("ICCC", 2, "ITSV", 0., 0., -86.7, idrotm[200], "ONLY");
531 // --- DEFINE PATCH PANELS AT THE END OF THE ITS CONES
537 gMC->Gsvolu("IPAN", "TUBE", idtmed[285], dgh, 3);
538 gMC->Gspos("IPAN", 1, "ITSV", 0., 0., 98.45, 0, "ONLY");
539 gMC->Gspos("IPAN", 2, "ITSV", 0., 0., -98.45, idrotm[200], "ONLY");
541 // --- DEFINE CABLES/COOLING BELOW THE TPC - COPPER PART - UPPER PART
543 dgh[0] = (xltpc-100.7)/2.;
550 gMC->Gsvolu("ICU1", "CONS", idtmed[279], dgh, 7);
551 gMC->Gspos("ICU1", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
552 gMC->Gspos("ICU1", 2, "ITSV", 0., 0., -(100.7+dgh[0]), idrotm[200], "ONLY");
554 // --- DEFINE CABLES/COOLING BELOW THE TPC - COPPER PART - LOWER PART
556 dgh[0] = (xltpc-100.7)/2.;
563 gMC->Gsvolu("ICU2", "CONS", idtmed[279], dgh, 7);
564 gMC->Gspos("ICU2", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
565 gMC->Gspos("ICU2", 2, "ITSV", 0., 0., -(100.7+dgh[0]), idrotm[200], "ONLY");
567 // --- DEFINE CABLES/COOLING BELOW THE TPC - CARBON PART - UPPER PART
569 dgh[0] = (xltpc-100.7)/2.;
571 dgh[2] = 46.2+1.0+1.5;
573 dgh[4] = 62.3+1.0+1.5;
576 gMC->Gsvolu("ICC1", "CONS", idtmed[274], dgh, 7);
577 gMC->Gspos("ICC1", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
578 gMC->Gspos("ICC1", 2, "ITSV", 0., 0., -(100.7+dgh[0]), idrotm[200], "ONLY");
580 // --- DEFINE CABLES/COOLING BELOW THE TPC - CARBON PART - LOWER PART
582 dgh[0] = (xltpc-100.7)/2.;
584 dgh[2] = 46.2+1.0+1.5;
586 dgh[4] = 62.3+1.0+1.5;
589 gMC->Gsvolu("ICC2", "CONS", idtmed[274], dgh, 7);
590 gMC->Gspos("ICC2", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
591 gMC->Gspos("ICC2", 2, "ITSV", 0., 0., -(100.7+dgh[0]), idrotm[200], "ONLY");
593 // --- DEFINE CABLES/COOLING BEHIND THE TPC - COPPER PART - UPPER PART
600 gMC->Gsvolu("ICU3", "TUBS", idtmed[279], dgh, 5);
601 gMC->Gspos("ICU3", 1, "ITSV", 0., 0., xltpc+1.5+dgh[2], 0, "ONLY");
602 gMC->Gspos("ICU3", 2, "ITSV", 0., 0., -(xltpc+1.5+dgh[2]), idrotm[200], "ONLY");
604 // --- DEFINE CABLES/COOLING BEHIND THE TPC - COPPER PART - LOWER PART
611 gMC->Gsvolu("ICU4", "TUBS", idtmed[279], dgh, 5);
612 gMC->Gspos("ICU4", 1, "ITSV", 0., 0., xltpc+1.5+dgh[2], 0, "ONLY");
613 gMC->Gspos("ICU4", 2, "ITSV", 0., 0., -(xltpc+1.5+dgh[2]), idrotm[200], "ONLY");
615 // --- DEFINE CABLES/COOLING BEHIND THE TPC - CARBON PART - UPPER PART
622 gMC->Gsvolu("ICC3", "TUBS", idtmed[274], dgh, 5);
623 gMC->Gspos("ICC3", 1, "ITSV", 0., 0., xltpc+dgh[2], 0, "ONLY");
624 gMC->Gspos("ICC3", 2, "ITSV", 0., 0., -(xltpc+dgh[2]), idrotm[200], "ONLY");
626 // --- DEFINE CABLES/COOLING BEHIND THE TPC - CARBON PART - LOWER PART
633 gMC->Gsvolu("ICC4", "TUBS", idtmed[274], dgh, 5);
634 gMC->Gspos("ICC4", 1, "ITSV", 0., 0., xltpc+dgh[2], 0, "ONLY");
635 gMC->Gspos("ICC4", 2, "ITSV", 0., 0., -(xltpc+dgh[2]), idrotm[200], "ONLY");
637 // --- DEFINE HOOK TO THE TPC ON OTHER SIDE W.R.T. THE ABSORBER - UPPER PART
644 gMC->Gsvolu("IHK1", "TUBS", idtmed[284], dgh, 5);
645 gMC->Gspos("IHK1", 1, "ITSV", 0., 0., -xltpc-dgh[2], 0, "ONLY");
647 // --- DEFINE HOOK TO THE TPC ON OTHER SIDE W.R.T. THE ABSORBER - LOWER PART
654 gMC->Gsvolu("IHK2", "TUBS", idtmed[284], dgh, 5);
655 gMC->Gspos("IHK2", 1, "ITSV", 0., 0., -xltpc-dgh[2], 0, "ONLY");
657 // --- DEFINE RAILS BETWEEN THE ITS AND THE TPC
662 //gMC->Gsvolu("IRAI", "BOX ", idtmed[285], dgh, 3);
663 //gMC->Gspos("IRAI", 1, "ITSV", 53., 0., -69.5, 0, "ONLY");
664 //gMC->Gspos("IRAI", 2, "ITSV", -53., 0., -69.5, 0, "ONLY");
666 // --- DEFINE CYLINDERS HOLDING RAILS BETWEEN THE ITS AND THE TPC
672 gMC->Gsvolu("ICYL", "TUBE", idtmed[285], dgh, 3);
673 gMC->Gspos("ICYL", 1, "ALIC", 0., 0., 74., 0, "ONLY");
674 gMC->Gspos("ICYL", 2, "ALIC", 0., 0., -74., idrotm[200], "ONLY");
676 // --- Outputs the geometry tree in the EUCLID/CAD format
679 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
682 //_____________________________________________________________________________
683 void AliITSvPPRcoarsesymm::CreateMaterials(){
684 ////////////////////////////////////////////////////////////////////////
686 // Create ITS materials
687 // This function defines the default materials used in the Geant
688 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
689 // AliITSvPPRcoarsesymm, AliITSvPPRcoarseasymm.
690 // In general it is automatically replaced by
691 // the CreatMaterials routine defined in AliITSv?. Should the function
692 // CreateMaterials not exist for the geometry version you are using this
693 // one is used. See the definition found in AliITSv5 or the other routine
694 // for a complete definition.
697 Float_t awat[2] = { 1.00794,15.9994 };
698 Float_t zwat[2] = { 1.,8. };
699 Float_t wwat[2] = { 2.,1. };
700 Float_t denswat = 1.;
702 Float_t afre[2] = { 12.011,18.9984032 };
703 Float_t zfre[2] = { 6.,9. };
704 Float_t wfre[2] = { 5.,12. };
705 Float_t densfre = 1.5;
707 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
708 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
709 Float_t zcer[5] = { 13.,8.,14.,25., 24. };
710 Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
711 Float_t denscer = 3.6;
713 // 60% SiO2 , 40% G10FR4
715 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
716 Float_t zpcb[3] = { 14.,8.,8.875 };
717 Float_t wpcb[3] = { .28,.32,.4 };
718 Float_t denspcb = 1.8;
720 Float_t apoly[2] = { 12.01,1. };
721 Float_t zpoly[2] = { 6.,1. };
722 Float_t wpoly[2] = { .33,.67 };
724 Float_t zserv[4] = { 1.,6.,26.,29. };
725 Float_t aserv[4] = { 1.,12.,55.8,63.5 };
726 Float_t wserv[4] = { .014,.086,.42,.48 };
728 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
729 Float_t zsteel[4] = { 26.,24.,28.,14. };
730 Float_t wsteel[4] = { .715,.18,.1,.005 };
733 Int_t isxfld = gAlice->Field()->Integ();
734 Float_t sxmgmx = gAlice->Field()->Max();
737 // --- Define the various materials for GEANT ---
739 // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
741 AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
742 AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
743 AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
744 AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
746 AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
747 AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
748 AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
749 AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
750 AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
751 AliMaterial(9, "SPD End ladder$", 55.845, 26., 7.87/10., 1.76*10., 999);
752 //AliMaterial(9, "SPD End ladder$", 55.845, 26., -7.87/10., -1.76*10., 999);
753 AliMaterial(10, "SPD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
755 AliMedium(0, "SPD Si$", 0, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
756 AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
757 AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
758 AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
759 AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
760 AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
761 AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
762 AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
763 AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
764 AliMedium(9, "SPD End ladder$",9, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
765 AliMedium(10, "SPD cone$", 10, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
767 // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
769 AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
770 AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
771 AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
772 AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
774 AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
775 AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
776 AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
777 // After a call with ratios by number (negative number of elements),
778 // the ratio array is changed to the ratio by weight, so all successive
779 // calls with the same array must specify the number of elements as
781 AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
782 // After a call with ratios by number (negative number of elements),
783 // the ratio array is changed to the ratio by weight, so all successive
784 // calls with the same array must specify the number of elements as
786 AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
787 AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
788 AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
789 AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
790 AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
791 AliMaterial(38, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
792 AliMaterial(39, "SDD cone$", 63.546, 29., 1.15, 1.265, 999);
793 //AliMaterial(38, "SDD End ladder$", 69.9298, 29.8246, -0.3824, -36.5103, 999);
794 //AliMaterial(39, "SDD cone$", 63.546, 29., -1.15, -1.265, 999);
797 AliMedium(25, "SDD Si$", 25, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
798 AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
799 AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
800 AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
801 AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
802 AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
803 AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
804 AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
805 AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
806 AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
807 AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
808 AliMedium(36, "SDD Ceramics$", 36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
809 AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
810 AliMedium(38, "SDD End ladder$",38, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
811 AliMedium(39, "SDD cone$", 39, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
813 // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
815 AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
816 AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
817 AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
818 AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
820 AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
821 AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
822 AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
823 // After a call with ratios by number (negative number of elements),
824 // the ratio array is changed to the ratio by weight, so all successive
825 // calls with the same array must specify the number of elements as
827 AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
828 // After a call with ratios by number (negative number of elements),
829 // the ratio array is changed to the ratio by weight, so all successive
830 // calls with the same array must specify the number of elements as
832 AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
833 AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
834 AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
835 // After a call with ratios by number (negative number of elements),
836 // the ratio array is changed to the ratio by weight, so all successive
837 // calls with the same array must specify the number of elements as
839 AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
840 AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
842 AliMaterial(63, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
843 AliMaterial(64, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
844 AliMaterial(65, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
845 //AliMaterial(64, "SSD End ladder$", 32.0988, 15.4021, -0.68, -35.3238, 999);
846 //AliMaterial(65, "SSD cone$",63.546, 29., -1.15, -1.265, 999);
848 AliMedium(50, "SSD Si$", 50, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
849 AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
850 AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
851 AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
852 AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
853 AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
854 AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
855 AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
856 AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
857 AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
858 AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
859 AliMedium(61, "SSD Ceramics$", 61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
860 AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
861 AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
862 AliMedium(64, "SSD End ladder$",64, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
863 AliMedium(65, "SSD cone$", 65, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
865 // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
867 AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
869 AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
870 AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
871 AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
872 AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
873 AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
874 // After a call with ratios by number (negative number of elements),
875 // the ratio array is changed to the ratio by weight, so all successive
876 // calls with the same array must specify the number of elements as
878 AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
879 //AliMaterial(82, "GEN Cables$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
880 //AliMaterial(83, "GEN patch pan$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
881 //AliMaterial(84, "GEN serv$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
882 AliMixture(85, "GEN Inox$", asteel, zsteel, 7.88, 4, wsteel);
883 AliMaterial(86, "GEN Al$", 26.981539, 13., 2.6989, 8.9, 999);
885 AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
886 AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
887 AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
888 AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
889 AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
890 AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
891 AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
892 //AliMedium(82,"GEN Cables$", 82, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
893 //AliMedium(83,"GEN patch pan$",83, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
894 //AliMedium(84,"GEN serv$", 84, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
895 AliMedium(85,"GEN Inox$", 85, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
896 AliMedium(86, "GEN Al$", 86, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
899 //_____________________________________________________________________________
900 void AliITSvPPRcoarsesymm::Init(){
901 ////////////////////////////////////////////////////////////////////////
902 // Initialise the ITS after it has been created.
903 ////////////////////////////////////////////////////////////////////////
907 for(i=0;i<25;i++) cout << "*";cout << " ITSvPPRcoarsesymm_Init ";
908 for(i=0;i<25;i++) cout << "*";cout << endl;
912 for(i=0;i<72;i++) cout << "*";
917 //_____________________________________________________________________________
918 void AliITSvPPRcoarsesymm::DrawModule(){
919 ////////////////////////////////////////////////////////////////////////
920 // Draw a shaded view of the FMD version 6.
921 ////////////////////////////////////////////////////////////////////////
923 // Set everything unseen
924 gMC->Gsatt("*", "seen", -1);
926 // Set ALIC mother visible
927 gMC->Gsatt("ALIC","SEEN",0);
929 // Set the volumes visible
930 gMC->Gsatt("ITSD","SEEN",0);
931 gMC->Gsatt("ITS1","SEEN",1);
932 gMC->Gsatt("ITS2","SEEN",1);
933 gMC->Gsatt("ITS3","SEEN",1);
934 gMC->Gsatt("ITS4","SEEN",1);
935 gMC->Gsatt("ITS5","SEEN",1);
936 gMC->Gsatt("ITS6","SEEN",1);
938 gMC->Gsatt("IPCB","SEEN",1);
939 gMC->Gsatt("ICO2","SEEN",1);
940 gMC->Gsatt("ICER","SEEN",0);
941 gMC->Gsatt("ISI2","SEEN",0);
942 gMC->Gsatt("IPLA","SEEN",0);
943 gMC->Gsatt("ICO3","SEEN",0);
944 gMC->Gsatt("IEPX","SEEN",0);
945 gMC->Gsatt("ISI3","SEEN",1);
946 gMC->Gsatt("ISUP","SEEN",0);
947 gMC->Gsatt("ICHO","SEEN",0);
948 gMC->Gsatt("ICMO","SEEN",0);
949 gMC->Gsatt("ICMD","SEEN",0);
950 gMC->Gsatt("ICCO","SEEN",1);
951 gMC->Gsatt("ICCM","SEEN",0);
952 gMC->Gsatt("ITMD","SEEN",0);
953 gMC->Gsatt("ITTT","SEEN",1);
956 gMC->Gdopt("hide", "on");
957 gMC->Gdopt("shad", "on");
958 gMC->Gsatt("*", "fill", 7);
959 gMC->SetClipBox(".");
960 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
962 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
963 gMC->Gdhead(1111, "Inner Tracking System Version 1");
964 gMC->Gdman(17, 6, "MAN");
966 //_____________________________________________________________________________
967 void AliITSvPPRcoarsesymm::StepManager(){
968 ////////////////////////////////////////////////////////////////////////
969 // Called for every step in the ITS, then calls the AliITShit class
970 // creator with the information to be recoreded about that hit.
971 ////////////////////////////////////////////////////////////////////////
977 TLorentzVector position, momentum;
978 // TClonesArray &lhits = *fHits;
980 // no hits for this coarse symmetric version.
986 if(gMC->IsTrackInside()) vol[3] += 1;
987 if(gMC->IsTrackEntering()) vol[3] += 2;
988 if(gMC->IsTrackExiting()) vol[3] += 4;
989 if(gMC->IsTrackOut()) vol[3] += 8;
990 if(gMC->IsTrackDisappeared()) vol[3] += 16;
991 if(gMC->IsTrackStop()) vol[3] += 32;
992 if(gMC->IsTrackAlive()) vol[3] += 64;
994 // Fill hit structure.
995 if( !(gMC->TrackCharge()) ) return;
997 // Only entering charged tracks
998 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
1000 id=gMC->CurrentVolOffID(1,copy);
1002 id=gMC->CurrentVolOffID(2,copy);
1004 } else if(id==fIdSens[1]) {
1006 id=gMC->CurrentVolOffID(1,copy);
1008 id=gMC->CurrentVolOffID(2,copy);
1010 } else if(id==fIdSens[2]) {
1013 id=gMC->CurrentVolOffID(1,copy);
1015 } else if(id==fIdSens[3]) {
1018 id=gMC->CurrentVolOffID(1,copy);
1020 } else if(id==fIdSens[4]) {
1023 id=gMC->CurrentVolOffID(1,copy);
1025 } else if(id==fIdSens[5]) {
1028 id=gMC->CurrentVolOffID(1,copy);
1031 gMC->TrackPosition(position);
1032 gMC->TrackMomentum(momentum);
1033 hits[0]=position[0];
1034 hits[1]=position[1];
1035 hits[2]=position[2];
1036 hits[3]=momentum[0];
1037 hits[4]=momentum[1];
1038 hits[5]=momentum[2];
1039 hits[6]=gMC->Edep();
1040 hits[7]=gMC->TrackTime();
1041 // new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1043 // no hits for this coarse symmetric version.