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 1.10 2000/10/27 17:19:50 barbera
19 Position of rails w.r.t. the interaction point corrected.
21 Revision 1.9 2000/10/27 13:31:29 barbera
22 Rails between ITS and TPC added.
24 Revision 1.8 2000/10/27 13:03:08 barbera
25 Small changes in the SPD volumes and materials
27 Revision 1.6 2000/10/16 14:45:37 barbera
28 Mother volume ITSD modified to avoid some overlaps
30 Revision 1.5 2000/10/16 13:49:15 barbera
31 Services volumes slightly modified and material added following Pierluigi Barberis' information
33 Revision 1.4 2000/10/07 15:33:07 barbera
34 Small corrections to the ITSV mother volume
36 Revision 1.3 2000/10/07 13:06:50 barbera
37 Some new materials and media defined
39 Revision 1.2 2000/10/07 10:58:15 barbera
40 Mother volume ITSV corrected
42 Revision 1.1 2000/10/06 23:09:24 barbera
43 New coarse geometry (asymmetric services
45 Revision 1.20 2000/10/02 21:28:08 fca
46 Removal of useless dependecies via forward declarations
48 Revision 1.19 2000/07/10 16:07:19 fca
49 Release version of ITS code
51 Revision 1.14.2.2 2000/05/19 10:09:21 nilsen
52 fix for bug with HP and Sun unix + fix for event display in ITS-working branch
54 Revision 1.14.2.1 2000/03/04 23:45:19 nilsen
55 Fixed up the comments/documentation.
57 Revision 1.14 1999/11/25 06:52:56 fca
60 Revision 1.13.2.1 1999/11/25 06:52:21 fca
63 Revision 1.13 1999/10/27 11:16:26 fca
64 Correction of problem in geometry
66 Revision 1.12 1999/10/22 08:25:25 fca
67 remove double definition of destructors
69 Revision 1.11 1999/10/22 08:16:49 fca
70 Correct destructors, thanks to I.Hrivnacova
72 Revision 1.10 1999/10/06 19:56:50 fca
75 Revision 1.9 1999/10/05 08:05:09 fca
76 Minor corrections for uninitialised variables.
78 Revision 1.8 1999/09/29 09:24:20 fca
79 Introduction of the Copyright and cvs Log
83 ///////////////////////////////////////////////////////////////////////////////
85 // Inner Traking System version PPR coarse asymmetric //
86 // This class contains the base procedures for the Inner Tracking System //
88 // Authors: R. Barbera
92 // NOTE: THIS IS THE COARSE ASYMMETRIC PPR geometry of the ITS.
94 // with the geometry or module classes or any analysis classes. You are
95 // strongly encouraged to uses AliITSv5.
97 ///////////////////////////////////////////////////////////////////////////////
102 #include <TGeometry.h>
105 #include <TFile.h> // only required for Tracking function?
107 #include <TObjArray.h>
108 #include <TClonesArray.h>
113 #include "AliConst.h"
115 #include "AliITShit.h"
116 #include "AliITSvPPRcoarseasymm.h"
120 ClassImp(AliITSvPPRcoarseasymm)
122 //_____________________________________________________________________________
123 AliITSvPPRcoarseasymm::AliITSvPPRcoarseasymm() {
124 ////////////////////////////////////////////////////////////////////////
125 // Standard default constructor for the ITS version 6.
126 ////////////////////////////////////////////////////////////////////////
129 fIdName = new TString[fIdN];
136 fIdSens = new Int_t[fIdN];
137 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length();
139 //_____________________________________________________________________________
140 AliITSvPPRcoarseasymm::AliITSvPPRcoarseasymm(const char *name, const char *title) : AliITS(name, title){
141 ////////////////////////////////////////////////////////////////////////
142 // Standard constructor for the ITS version 6.
143 ////////////////////////////////////////////////////////////////////////
146 fIdName = new TString[fIdN];
153 fIdSens = new Int_t[fIdN];
154 for (Int_t i=0;i<fIdN;i++) fIdSens[i]=fIdName[i].Length();
157 //____________________________________________________________________________
158 AliITSvPPRcoarseasymm::AliITSvPPRcoarseasymm(const AliITSvPPRcoarseasymm &source){
159 ////////////////////////////////////////////////////////////////////////
160 // Copy Constructor for ITS version 6.
161 ////////////////////////////////////////////////////////////////////////
162 if(&source == this) return;
163 printf("Not allowed to copy AliITSvPPRcoarseasymm\n");
166 //_____________________________________________________________________________
167 AliITSvPPRcoarseasymm& AliITSvPPRcoarseasymm::operator=(const AliITSvPPRcoarseasymm &source){
168 ////////////////////////////////////////////////////////////////////////
169 // Assignment operator for the ITS version 6.
170 ////////////////////////////////////////////////////////////////////////
171 if(&source == this) return *this;
172 printf("Not allowed to copy AliITSvPPRcoarseasymm\n");
175 //_____________________________________________________________________________
176 AliITSvPPRcoarseasymm::~AliITSvPPRcoarseasymm() {
177 ////////////////////////////////////////////////////////////////////////
178 // Standard destructor for the ITS version 6.
179 ////////////////////////////////////////////////////////////////////////
182 //__________________________________________________________________________
183 void AliITSvPPRcoarseasymm::BuildGeometry(){
184 ////////////////////////////////////////////////////////////////////////
185 // Geometry builder for the ITS version 6.
186 ////////////////////////////////////////////////////////////////////////
188 const int kColorITS=kYellow;
190 top = gAlice->GetGeometry()->GetNode("alice");
192 new TTUBE("S_layer1","Layer1 of ITS","void",3.95,3.95+0.05475,12.25);
194 node = new TNode("Layer1","Layer1","S_layer1",0,0,0,"");
195 node->SetLineColor(kColorITS);
198 new TTUBE("S_layer2","Layer2 of ITS","void",7.,7.+0.05475,16.3);
200 node = new TNode("Layer2","Layer2","S_layer2",0,0,0,"");
201 node->SetLineColor(kColorITS);
204 new TTUBE("S_layer3","Layer3 of ITS","void",15.,15.+0.05288,21.1);
206 node = new TNode("Layer3","Layer3","S_layer3",0,0,0,"");
207 node->SetLineColor(kColorITS);
210 new TTUBE("S_layer4","Layer4 of ITS","void",24,24+0.05288,29.6);
212 node = new TNode("Layer4","Layer4","S_layer4",0,0,0,"");
213 node->SetLineColor(kColorITS);
216 new TTUBE("S_layer5","Layer5 of ITS","void",40,40+0.05382,45.1);
218 node = new TNode("Layer5","Layer5","S_layer5",0,0,0,"");
219 node->SetLineColor(kColorITS);
222 new TTUBE("S_layer6","Layer6 of ITS","void",45,45+0.05382,50.4);
224 node = new TNode("Layer6","Layer6","S_layer6",0,0,0,"");
225 node->SetLineColor(kColorITS);
228 //_____________________________________________________________________________
229 void AliITSvPPRcoarseasymm::CreateGeometry(){
230 ////////////////////////////////////////////////////////////////////////
231 // This routine defines and Creates the geometry for version 6 of the ITS.
232 ////////////////////////////////////////////////////////////////////////
234 //INNER RADII OF THE SILICON LAYERS
235 Float_t rl[6] = { 3.8095,7.,15.,24.,38.1,43.5765 };
236 //THICKNESSES OF LAYERS (in % radiation length)
237 Float_t drl[6] = { 1.03,1.03,0.94,0.95,0.91,0.87 };
238 //HALF LENGTHS OF LAYERS
239 Float_t dzl[6] = { 14.35,14.35,25.1,32.1,49.405,55.27 };
240 //LENGTHS OF END-LADDER BOXES (ALL INCLUDED)
241 Float_t dzb[6] = { 12.4,12.4,19.,19.,12.,11. };
242 //THICKNESSES OF END-LADDER BOXES (ALL INCLUDED)
243 Float_t drb[6] = { rl[1]-rl[0],0.2,5.,5.,3.,3. };
246 Float_t dits[3], rlim, zmax;
248 Float_t pcits[15], xltpc;
249 Int_t idrotm[399], i;
252 Int_t *idtmed = fIdtmed->GetArray()-199;
254 // CONVERT INTO CM (RL(SI)=9.36 CM)
255 for (i = 0; i < 6; ++i) {
256 drl[i] = drl[i] / 100. * 9.36;
259 // FIELD CAGE HALF LENGTH
265 // --- Define ghost volume containing the whole ITS (including services)
266 // and fill it with air
271 dgh[3] = -xltpc-5.-0.1;
304 dgh[36] = xltpc+4.+0.1;
308 gMC->Gsvolu("ITSV", "PCON", idtmed[275], dgh, 39);
310 // --- Place the ghost volume in its mother volume (ALIC) and make it
313 gMC->Gspos("ITSV", 1, "ALIC", 0., 0., 0., 0, "ONLY");
314 gMC->Gsatt("ITSV", "SEEN", 0);
317 // --- Define ghost volume containing the six layers and fill it with air
334 gMC->Gsvolu("ITSD", "PCON", idtmed[275], dgh, 15);
336 // --- Place the ghost volume in its mother volume (ITSV) and make it
339 gMC->Gspos("ITSD", 1, "ITSV", 0., 0., 0., 0, "ONLY");
340 //gMC->Gsatt("ITSD", "SEEN", 0);
342 // ITS LAYERS (SILICON)
345 dits[1] = rl[0] + drl[0];
347 gMC->Gsvolu("ITS1", "TUBE", idtmed[199], dits, 3);
348 gMC->Gspos("ITS1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
351 dits[1] = rl[1] + drl[1];
353 gMC->Gsvolu("ITS2", "TUBE", idtmed[199], dits, 3);
354 gMC->Gspos("ITS2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
357 dits[1] = rl[2] + drl[2];
359 gMC->Gsvolu("ITS3", "TUBE", idtmed[224], dits, 3);
360 gMC->Gspos("ITS3", 1, "ITSD", 0., 0., 0., 0, "ONLY");
363 dits[1] = rl[3] + drl[3];
365 gMC->Gsvolu("ITS4", "TUBE", idtmed[224], dits, 3);
366 gMC->Gspos("ITS4", 1, "ITSD", 0., 0., 0., 0, "ONLY");
369 dits[1] = rl[4] + drl[4];
371 gMC->Gsvolu("ITS5", "TUBE", idtmed[249], dits, 3);
372 gMC->Gspos("ITS5", 1, "ITSD", 0., 0., 0., 0, "ONLY");
375 dits[1] = rl[5] + drl[5];
377 gMC->Gsvolu("ITS6", "TUBE", idtmed[249], dits, 3);
378 gMC->Gspos("ITS6", 1, "ITSD", 0., 0., 0., 0, "ONLY");
380 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SPD
382 gMC->Gsvolu("IEL1", "TUBE", idtmed[208], dits, 0);
383 for (i = 0; i < 2; i++) {
385 dits[1] = dits[0] + drb[i];
386 dits[2] = dzb[i] / 2.;
387 zpos = dzl[i] + dits[2];
388 gMC->Gsposp("IEL1", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
389 gMC->Gsposp("IEL1", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
392 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SDD
394 gMC->Gsvolu("IEL2", "TUBE", idtmed[237], dits, 0);
395 for (i = 2; i < 4; i++) {
397 dits[1] = dits[0] + drb[i];
398 dits[2] = dzb[i] / 2.;
399 zpos = dzl[i] + dits[2];
400 gMC->Gsposp("IEL2", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
401 gMC->Gsposp("IEL2", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
404 // END-LADDER ELECTRONICS BOXES AND CABLES FOR SSD
406 gMC->Gsvolu("IEL3", "TUBE", idtmed[263], dits, 0);
407 for (i = 4; i < 6; i++) {
409 dits[1] = dits[0] + drb[i];
410 dits[2] = dzb[i] / 2.;
411 zpos = dzl[i] + dits[2];
412 gMC->Gsposp("IEL3", i+1, "ITSD", 0., 0., zpos, 0, "ONLY", dits, 3);
413 gMC->Gsposp("IEL3", i+1+6, "ITSD", 0., 0.,-zpos, 0, "ONLY", dits, 3);
417 // DEFINE THERMAL SCREEN FOR SPD
422 gMC->Gsvolu("ICY1", "TUBE", idtmed[274], pcits, 3);
423 gMC->Gspos("ICY1", 1, "ITSD", 0., 0., 0., 0, "ONLY");
425 // DEFINE END CONES FOR SDD
427 pcits[0] = (59.-42.5)/2.;
432 gMC->Gsvolu("ICO1", "CONE", idtmed[274], pcits, 5);
433 AliMatrix(idrotm[200], 90., 0., 90., 90., 180., 0.);
434 gMC->Gspos("ICO1", 1, "ITSD", 0., 0., 42.5+pcits[0], 0, "ONLY");
435 gMC->Gspos("ICO1", 2, "ITSD", 0., 0., -(42.5+pcits[0]), idrotm[200], "ONLY");
437 // DEFINE CYLINDER BETWEEN SDD AND SSD
439 pcits[0] = (59.5-0.13/2.)/2.;
440 pcits[1] = (59.5+0.13/2.)/2.;
442 gMC->Gsvolu("ICY2", "TUBE", idtmed[274], pcits, 3);
443 gMC->Gspos("ICY2", 1, "ITSD", 0., 0., 0., 0, "ONLY");
445 // DEFINE END CONES FOR SSD
447 pcits[0] = (74.-59.)/2.;
452 gMC->Gsvolu("ICO2", "CONE", idtmed[274], pcits, 5);
453 gMC->Gspos("ICO2", 1, "ITSD", 0., 0., 59.+pcits[0], 0, "ONLY");
457 // --- DEFINE CABLES AT THE END OF THE ITS CONES - COPPER PART
463 gMC->Gsvolu("ICCU", "TUBE", idtmed[279], dgh, 3);
464 gMC->Gspos("ICCU", 1, "ITSV", 0., 0., 86.7, 0, "ONLY");
465 gMC->Gspos("ICCU", 2, "ITSV", 0., 0., -86.7, idrotm[200], "ONLY");
467 // --- DEFINE CABLES AT THE END OF THE ITS CONES - CARBON PART
470 dgh[1] = 45.+1.0+1.5;
473 gMC->Gsvolu("ICCC", "TUBE", idtmed[274], dgh, 3);
474 gMC->Gspos("ICCC", 1, "ITSV", 0., 0., 86.7, 0, "ONLY");
475 gMC->Gspos("ICCC", 2, "ITSV", 0., 0., -86.7, idrotm[200], "ONLY");
477 // --- DEFINE PATCH PANELS AT THE END OF THE ITS CONES
483 gMC->Gsvolu("IPAN", "TUBE", idtmed[285], dgh, 3);
484 gMC->Gspos("IPAN", 1, "ITSV", 0., 0., 98.45, 0, "ONLY");
485 gMC->Gspos("IPAN", 2, "ITSV", 0., 0., -98.45, idrotm[200], "ONLY");
487 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE ABSORBER SIDE - COPPER PART
490 dgh[0] = (xltpc-100.7)/2.;
497 gMC->Gsvolu("ICU1", "CONS", idtmed[279], dgh, 7);
498 gMC->Gspos("ICU1", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
500 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE ABSORBER SIDE - COPPER PART
503 dgh[0] = (xltpc-100.7)/2.;
510 gMC->Gsvolu("ICU2", "CONS", idtmed[279], dgh, 7);
511 gMC->Gspos("ICU2", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
513 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE ABSORBER SIDE - CARBON PART
516 dgh[0] = (xltpc-100.7)/2.;
518 dgh[2] = 45.2+1.0+1.5;
520 dgh[4] = 61.8+1.0+1.5;
523 gMC->Gsvolu("ICC1", "CONS", idtmed[274], dgh, 7);
524 gMC->Gspos("ICC1", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
526 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE ABSORBER SIDE - CARBON PART
529 dgh[0] = (xltpc-100.7)/2.;
531 dgh[2] = 45.2+1.0+1.5;
533 dgh[4] = 61.8+1.0+1.5;
536 gMC->Gsvolu("ICC2", "CONS", idtmed[274], dgh, 7);
537 gMC->Gspos("ICC2", 1, "ITSV", 0., 0., 100.7+dgh[0], 0, "ONLY");
539 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON THE ABSORBER SIDE - COPPER PART
547 gMC->Gsvolu("ICU3", "TUBS", idtmed[279], dgh, 5);
548 gMC->Gspos("ICU3", 1, "ITSV", 0., 0., xltpc+1.5+dgh[2], 0, "ONLY");
550 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON THE ABSORBER SIDE - COPPER PART
558 gMC->Gsvolu("ICU4", "TUBS", idtmed[279], dgh, 5);
559 gMC->Gspos("ICU4", 1, "ITSV", 0., 0., xltpc+1.5+dgh[2], 0, "ONLY");
561 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON THE ABSORBER SIDE - CARBON PART
569 gMC->Gsvolu("ICC3", "TUBS", idtmed[274], dgh, 5);
570 gMC->Gspos("ICC3", 1, "ITSV", 0., 0., xltpc+dgh[2], 0, "ONLY");
572 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON THE ABSORBER SIDE - CARBON PART
580 gMC->Gsvolu("ICC4", "TUBS", idtmed[274], dgh, 5);
581 gMC->Gspos("ICC4", 1, "ITSV", 0., 0., xltpc+dgh[2], 0, "ONLY");
583 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE OTHER SIDE W.R.T.
584 // THE ABSORBER - COPPER PART
588 dgh[2] = (xltpc-100.7+1.5)/2.;
589 gMC->Gsvolu("ICU5", "TUBE", idtmed[279], dgh, 3);
590 gMC->Gspos("ICU5", 1, "ITSV", 0., 0., -100.7-dgh[2], 0, "ONLY");
592 // --- DEFINE CABLES/COOLING BELOW THE TPC ON THE OTHER SIDE W.R.T.
593 // THE ABSORBER - CARBON PART
596 dgh[1] = 45.+1.0+1.5;
597 dgh[2] = (xltpc-100.7)/2.;
598 gMC->Gsvolu("ICC5", "TUBE", idtmed[274], dgh, 3);
599 gMC->Gspos("ICC5", 1, "ITSV", 0., 0., -100.7-dgh[2], 0, "ONLY");
602 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON OTHER SIDE W.R.T. THE ABSORBER
608 gMC->Gsvolu("ICU6", "TUBE", idtmed[279], dgh, 3);
609 gMC->Gspos("ICU6", 1, "ITSV", 0., 0., -(xltpc+1.5+dgh[2]), 0, "ONLY");
612 // --- DEFINE CABLES/COOLING BEHIND THE TPC ON OTHER SIDE W.R.T. THE ABSORBER
618 gMC->Gsvolu("ICC6", "TUBE", idtmed[274], dgh, 3);
619 gMC->Gspos("ICC6", 1, "ITSV", 0., 0., -(xltpc+dgh[2]), 0, "ONLY");
621 // --- DEFINE HOOK TO THE TPC ON OTHER SIDE W.R.T. THE ABSORBER
626 gMC->Gsvolu("IHOK", "TUBE", idtmed[284], dgh, 3);
627 gMC->Gspos("IHOK", 1, "ITSV", 0., 0., -xltpc-dgh[2], 0, "ONLY");
629 // --- DEFINE RAILS BETWEEN THE ITS AND THE TPC
634 gMC->Gsvolu("IRAI", "BOX ", idtmed[285], dgh, 3);
635 gMC->Gspos("IRAI", 1, "ITSV", 53., 0., -69.5, 0, "ONLY");
636 gMC->Gspos("IRAI", 2, "ITSV", -53., 0., -69.5, 0, "ONLY");
638 // --- DEFINE CYLINDERS HOLDING RAILS BETWEEN THE ITS AND THE TPC
643 dgh[2] = 0.2; //check the thickness
644 gMC->Gsvolu("ICYL", "TUBE", idtmed[285], dgh, 3);
645 gMC->Gspos("ICYL", 1, "ITSV", 0., 0., 74., 0, "ONLY");
646 gMC->Gspos("ICYL", 2, "ITSV", 0., 0., -74., idrtom[200], "ONLY");
649 // --- Outputs the geometry tree in the EUCLID/CAD format
652 gMC->WriteEuclid("ITSgeometry", "ITSV", 1, 5);
655 //_____________________________________________________________________________
656 void AliITSvPPRcoarseasymm::CreateMaterials(){
657 ////////////////////////////////////////////////////////////////////////
659 // Create ITS materials
660 // This function defines the default materials used in the Geant
661 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
662 // AliITSvPPRcoarseasymm.
663 // In general it is automatically replaced by
664 // the CreatMaterials routine defined in AliITSv?. Should the function
665 // CreateMaterials not exist for the geometry version you are using this
666 // one is used. See the definition found in AliITSv5 or the other routine
667 // for a complete definition.
670 Float_t awat[2] = { 1.00794,15.9994 };
671 Float_t zwat[2] = { 1.,8. };
672 Float_t wwat[2] = { 2.,1. };
673 Float_t denswat = 1.;
675 Float_t afre[2] = { 12.011,18.9984032 };
676 Float_t zfre[2] = { 6.,9. };
677 Float_t wfre[2] = { 5.,12. };
678 Float_t densfre = 1.5;
680 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
681 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
682 Float_t zcer[5] = { 13.,8.,14.,25., 24. };
683 Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
684 Float_t denscer = 3.6;
686 // 60% SiO2 , 40% G10FR4
688 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
689 Float_t zpcb[3] = { 14.,8.,8.875 };
690 Float_t wpcb[3] = { .28,.32,.4 };
691 Float_t denspcb = 1.8;
693 Float_t apoly[2] = { 12.01,1. };
694 Float_t zpoly[2] = { 6.,1. };
695 Float_t wpoly[2] = { .33,.67 };
697 Float_t zserv[4] = { 1.,6.,26.,29. };
698 Float_t aserv[4] = { 1.,12.,55.8,63.5 };
699 Float_t wserv[4] = { .014,.086,.42,.48 };
701 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
702 Float_t zsteel[4] = { 26.,24.,28.,14. };
703 Float_t wsteel[4] = { .715,.18,.1,.005 };
706 Int_t isxfld = gAlice->Field()->Integ();
707 Float_t sxmgmx = gAlice->Field()->Max();
710 // --- Define the various materials for GEANT ---
712 // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
714 AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
715 AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
716 AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
717 AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
719 AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
720 AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
721 AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
722 AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
723 AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
724 AliMaterial(9, "SPD End ladder$", 55.845, 26., 7.87/10., 1.76*10., 999);
725 AliMaterial(10, "SPD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
727 AliMedium(0, "SPD Si$", 0, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
728 AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
729 AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
730 AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
731 AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
732 AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
733 AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
734 AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
735 AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
736 AliMedium(9, "SPD End ladder",9, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
737 AliMedium(10, "SPD cone$", 10, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
739 // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
741 AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
742 AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
743 AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
744 AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
746 AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
747 AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
748 AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
749 // After a call with ratios by number (negative number of elements),
750 // the ratio array is changed to the ratio by weight, so all successive
751 // calls with the same array must specify the number of elements as
753 AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
754 // After a call with ratios by number (negative number of elements),
755 // the ratio array is changed to the ratio by weight, so all successive
756 // calls with the same array must specify the number of elements as
758 AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
759 AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
760 AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
761 AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
762 AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
763 AliMaterial(38, "SDD End ladder$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
764 AliMaterial(39, "SDD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
767 AliMedium(25, "SDD Si$", 25, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
768 AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
769 AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
770 AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
771 AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
772 AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
773 AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
774 AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
775 AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
776 AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
777 AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
778 AliMedium(36, "SDD Ceramics$",36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
779 AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
780 AliMedium(38, "SDD End ladder",38, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
781 AliMedium(39, "SDD cone$", 39, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
783 // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
785 AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
786 AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
787 AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
788 AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
790 AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
791 AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
792 AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
793 // After a call with ratios by number (negative number of elements),
794 // the ratio array is changed to the ratio by weight, so all successive
795 // calls with the same array must specify the number of elements as
797 AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
798 // After a call with ratios by number (negative number of elements),
799 // the ratio array is changed to the ratio by weight, so all successive
800 // calls with the same array must specify the number of elements as
802 AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
803 AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
804 AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
805 // After a call with ratios by number (negative number of elements),
806 // the ratio array is changed to the ratio by weight, so all successive
807 // calls with the same array must specify the number of elements as
809 AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
810 AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
812 AliMaterial(63, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
813 AliMaterial(64, "SSD End ladder$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
814 AliMaterial(65, "SSD cone$",28.0855, 14., 2.33, 9.36, 999); // check !!!!
816 AliMedium(50, "SSD Si$", 50, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
817 AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
818 AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
819 AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
820 AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
821 AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
822 AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
823 AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
824 AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
825 AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
826 AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
827 AliMedium(61, "SSD Ceramics$",61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
828 AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
829 AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
830 AliMedium(64, "SPD End ladder",64, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
831 AliMedium(65, "SPD cone$", 65, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
833 // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
835 AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
837 AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
838 AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
839 AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
840 AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
841 AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
842 // After a call with ratios by number (negative number of elements),
843 // the ratio array is changed to the ratio by weight, so all successive
844 // calls with the same array must specify the number of elements as
846 AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
847 // AliMaterial(82, "GEN Cables$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
848 // AliMaterial(83, "GEN patch pan$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
849 // AliMaterial(84, "GEN serv$", 12.011, 6., 2.265, 18.8, 999.); // check !!!
850 AliMixture(85, "GEN Inox$", asteel, zsteel, 7.88, 4, wsteel);
851 AliMaterial(86, "GEN Al$", 26.981539, 13., 2.6989, 8.9, 999);
853 AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
854 AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
855 AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
856 AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
857 AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
858 AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
859 AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
860 // AliMedium(82,"GEN Cables$", 82, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
861 // AliMedium(83,"GEN patch pan$",83, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
862 // AliMedium(84,"GEN serv$", 84, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
863 AliMedium(85,"GEN Inox$", 85, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
864 AliMedium(86, "GEN Al$", 86, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
866 //_____________________________________________________________________________
867 void AliITSvPPRcoarseasymm::Init(){
868 ////////////////////////////////////////////////////////////////////////
869 // Initialise the ITS after it has been created.
870 ////////////////////////////////////////////////////////////////////////
878 //_____________________________________________________________________________
879 void AliITSvPPRcoarseasymm::DrawModule(){
880 ////////////////////////////////////////////////////////////////////////
881 // Draw a shaded view of the FMD version 6.
882 ////////////////////////////////////////////////////////////////////////
884 // Set everything unseen
885 gMC->Gsatt("*", "seen", -1);
887 // Set ALIC mother visible
888 gMC->Gsatt("ALIC","SEEN",0);
890 // Set the volumes visible
891 gMC->Gsatt("ITSD","SEEN",0);
892 gMC->Gsatt("ITS1","SEEN",1);
893 gMC->Gsatt("ITS2","SEEN",1);
894 gMC->Gsatt("ITS3","SEEN",1);
895 gMC->Gsatt("ITS4","SEEN",1);
896 gMC->Gsatt("ITS5","SEEN",1);
897 gMC->Gsatt("ITS6","SEEN",1);
899 gMC->Gsatt("IPCB","SEEN",1);
900 gMC->Gsatt("ICO2","SEEN",1);
901 gMC->Gsatt("ICER","SEEN",0);
902 gMC->Gsatt("ISI2","SEEN",0);
903 gMC->Gsatt("IPLA","SEEN",0);
904 gMC->Gsatt("ICO3","SEEN",0);
905 gMC->Gsatt("IEPX","SEEN",0);
906 gMC->Gsatt("ISI3","SEEN",1);
907 gMC->Gsatt("ISUP","SEEN",0);
908 gMC->Gsatt("ICHO","SEEN",0);
909 gMC->Gsatt("ICMO","SEEN",0);
910 gMC->Gsatt("ICMD","SEEN",0);
911 gMC->Gsatt("ICCO","SEEN",1);
912 gMC->Gsatt("ICCM","SEEN",0);
913 gMC->Gsatt("ITMD","SEEN",0);
914 gMC->Gsatt("ITTT","SEEN",1);
917 gMC->Gdopt("hide", "on");
918 gMC->Gdopt("shad", "on");
919 gMC->Gsatt("*", "fill", 7);
920 gMC->SetClipBox(".");
921 gMC->SetClipBox("*", 0, 300, -300, 300, -300, 300);
923 gMC->Gdraw("alic", 40, 30, 0, 11, 10, .07, .07);
924 gMC->Gdhead(1111, "Inner Tracking System Version 1");
925 gMC->Gdman(17, 6, "MAN");
927 //_____________________________________________________________________________
928 void AliITSvPPRcoarseasymm::StepManager(){
929 ////////////////////////////////////////////////////////////////////////
930 // Called for every step in the ITS, then calls the AliITShit class
931 // creator with the information to be recoreded about that hit.
932 ////////////////////////////////////////////////////////////////////////
938 TLorentzVector position, momentum;
939 // TClonesArray &lhits = *fHits;
941 // no hits for this coarse asymmetric version.
947 if(gMC->IsTrackInside()) vol[3] += 1;
948 if(gMC->IsTrackEntering()) vol[3] += 2;
949 if(gMC->IsTrackExiting()) vol[3] += 4;
950 if(gMC->IsTrackOut()) vol[3] += 8;
951 if(gMC->IsTrackDisappeared()) vol[3] += 16;
952 if(gMC->IsTrackStop()) vol[3] += 32;
953 if(gMC->IsTrackAlive()) vol[3] += 64;
955 // Fill hit structure.
956 if( !(gMC->TrackCharge()) ) return;
958 // Only entering charged tracks
959 if((id=gMC->CurrentVolID(copy))==fIdSens[0]) {
961 id=gMC->CurrentVolOffID(1,copy);
963 id=gMC->CurrentVolOffID(2,copy);
965 } else if(id==fIdSens[1]) {
967 id=gMC->CurrentVolOffID(1,copy);
969 id=gMC->CurrentVolOffID(2,copy);
971 } else if(id==fIdSens[2]) {
974 id=gMC->CurrentVolOffID(1,copy);
976 } else if(id==fIdSens[3]) {
979 id=gMC->CurrentVolOffID(1,copy);
981 } else if(id==fIdSens[4]) {
984 id=gMC->CurrentVolOffID(1,copy);
986 } else if(id==fIdSens[5]) {
989 id=gMC->CurrentVolOffID(1,copy);
992 gMC->TrackPosition(position);
993 gMC->TrackMomentum(momentum);
1000 hits[6]=gMC->Edep();
1001 hits[7]=gMC->TrackTime();
1002 // new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1004 // no hits for this coarse asymmetric version.
1009 //____________________________________________________________________________
1010 void AliITSvPPRcoarseasymm::Streamer(TBuffer &R__b){
1011 ////////////////////////////////////////////////////////////////////////
1012 // A dummy Streamer function for this class AliITSvPPRcoarseasymm. By default it
1013 // only streams the AliITS class as it is required. Since this class
1014 // dosen't contain any "real" data to be saved, it doesn't.
1015 ////////////////////////////////////////////////////////////////////////
1017 if (R__b.IsReading()) {
1018 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
1019 AliITS::Streamer(R__b);
1021 R__b.WriteVersion(AliITSvPPRcoarseasymm::IsA());
1022 AliITS::Streamer(R__b);
1023 } // end if R__b.IsReading()