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 1.21 2002/11/21 22:46:24 alibrary
19 Removing AliMC and AliMCProcess
21 Revision 1.20 2002/10/22 14:26:28 alibrary
22 Introducing Riostream.h
24 Revision 1.19 2002/10/14 14:57:42 hristov
25 Merging the VirtualMC branch to the main development branch (HEAD)
27 Revision 1.15.6.3 2002/07/25 06:24:28 alibrary
28 Updating TOF on VirtualMC
30 Revision 1.18 2002/07/24 16:13:56 vicinanz
31 Fixed bub in BuildGeometry
33 Revision 1.17 2002/06/24 14:09:12 vicinanz
34 review on materials and
36 Revision 1.16 2002/05/08 13:24:50 vicinanz
37 AliTOFanalyzeMatching.C macro added and minor changes to the AliTOF code
39 Revision 1.15 2001/11/22 11:22:51 hristov
40 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
42 Revision 1.13 2001/09/27 10:39:21 vicinanz
43 SDigitizer and Merger added
45 Revision 1.12 2001/09/20 15:54:22 vicinanz
46 Updated Strip Structure (Double Stack)
48 Revision 1.11 2001/08/28 08:45:59 vicinanz
49 TTask and TFolder structures implemented
51 Revision 1.10 2001/05/16 14:57:24 alibrary
52 New files for folders and Stack
54 Revision 1.9 2001/05/04 10:09:48 vicinanz
55 Major upgrades to the strip structure
57 Revision 1.8 2000/12/04 08:48:20 alibrary
58 Fixing problems in the HEAD
60 Revision 1.7 2000/10/02 21:28:17 fca
61 Removal of useless dependecies via forward declarations
63 Revision 1.6 2000/05/10 16:52:18 vicinanz
64 New TOF version with holes for PHOS/RICH
66 Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz
67 New version with Holes for PHOS/RICH
69 Revision 1.14 1999/11/05 22:39:06 fca
72 Revision 1.13 1999/11/02 11:26:39 fca
73 added stdlib.h for exit
75 Revision 1.12 1999/11/01 20:41:57 fca
76 Added protections against using the wrong version of FRAME
78 Revision 1.11 1999/10/22 08:04:14 fca
79 Correct improper use of negative parameters
81 Revision 1.10 1999/10/16 19:30:06 fca
82 Corrected Rotation Matrix and CVS log
84 Revision 1.9 1999/10/15 15:35:20 fca
85 New version for frame1099 with and without holes
87 Revision 1.8 1999/09/29 09:24:33 fca
88 Introduction of the Copyright and cvs Log
92 ///////////////////////////////////////////////////////////////////////////////
94 // This class contains the functions for version 4 of the Time Of Flight //
97 // VERSION WITH 5 MODULES AND TILTED STRIPS
99 // FULL COVERAGE VERSION
104 // Domenico Vicinanza
106 // University of Salerno - Italy
109 // University of Bologna - Italy
114 <img src="picts/AliTOFv4Class.gif">
118 ///////////////////////////////////////////////////////////////////////////////
120 #include <Riostream.h>
123 #include "AliTOFv4.h"
125 #include "TGeometry.h"
127 #include <TLorentzVector.h>
130 #include "AliConst.h"
135 //_____________________________________________________________________________
139 // Default constructor
143 //_____________________________________________________________________________
144 AliTOFv4::AliTOFv4(const char *name, const char *title)
148 // Standard constructor
151 // Check that FRAME is there otherwise we have no place where to
153 AliModule* frame=gAlice->GetModule("FRAME");
155 Error("Ctor","TOF needs FRAME to be present\n");
158 if(frame->IsVersion()!=1) {
159 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
165 //____________________________________________________________________________
167 void AliTOFv4::BuildGeometry()
170 // Build TOF ROOT geometry for the ALICE event display
173 const int kColorTOF = 27;
176 top = gAlice->GetGeometry()->GetNode("alice");
178 // Position the different copies
179 const Float_t krTof =(fRmax+fRmin)/2;
180 const Float_t khTof = fRmax-fRmin;
181 const Int_t kNTof = fNTof;
182 const Float_t kPi = TMath::Pi();
183 const Float_t kangle = 2*kPi/kNTof;
186 // define offset for nodes
187 Float_t zOffsetC = fZtof - fZlenC*0.5;
188 Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
189 Float_t zOffsetA = 0.;
190 // Define TOF basic volume
192 char nodeName0[7], nodeName1[7], nodeName2[7];
193 char nodeName3[7], nodeName4[7], rotMatNum[7];
195 new TBRIK("S_TOF_C","TOF box","void",
196 fStripLn*0.5,khTof*0.5,fZlenC*0.5);
197 new TBRIK("S_TOF_B","TOF box","void",
198 fStripLn*0.5,khTof*0.5,fZlenB*0.5);
199 new TBRIK("S_TOF_A","TOF box","void",
200 fStripLn*0.5,khTof*0.5,fZlenA*0.5);
202 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
205 sprintf(rotMatNum,"rot50%i",nodeNum);
206 sprintf(nodeName0,"FTO00%i",nodeNum);
207 sprintf(nodeName1,"FTO10%i",nodeNum);
208 sprintf(nodeName2,"FTO20%i",nodeNum);
209 sprintf(nodeName3,"FTO30%i",nodeNum);
210 sprintf(nodeName4,"FTO40%i",nodeNum);
213 sprintf(rotMatNum,"rot5%i",nodeNum);
214 sprintf(nodeName0,"FTO0%i",nodeNum);
215 sprintf(nodeName1,"FTO1%i",nodeNum);
216 sprintf(nodeName2,"FTO2%i",nodeNum);
217 sprintf(nodeName3,"FTO3%i",nodeNum);
218 sprintf(nodeName4,"FTO4%i",nodeNum);
221 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
222 ang = (4.5-nodeNum) * kangle;
225 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
226 node->SetLineColor(kColorTOF);
230 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
231 node->SetLineColor(kColorTOF);
235 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
236 node->SetLineColor(kColorTOF);
240 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
241 node->SetLineColor(kColorTOF);
245 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
246 node->SetLineColor(kColorTOF);
248 } // end loop on nodeNum
253 //_____________________________________________________________________________
254 void AliTOFv4::CreateGeometry()
257 // Create geometry for Time Of Flight version 0
261 <img src="picts/AliTOFv4.gif">
265 // Creates common geometry
267 AliTOF::CreateGeometry();
270 //_____________________________________________________________________________
271 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
272 Float_t zlenB, Float_t zlenA, Float_t ztof0)
275 // Definition of the Time Of Fligh Resistive Plate Chambers
276 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
278 Float_t ycoor, zcoor;
280 Int_t *idtmed = fIdtmed->GetArray()-499;
283 Float_t hTof = fRmax-fRmin;
285 Float_t radius = fRmin+2.;//cm
289 par[2] = zlenC * 0.5;
290 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
291 par[2] = zlenB * 0.5;
292 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
293 par[2] = zlenA * 0.5;
294 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
297 // Positioning of modules
299 Float_t zcor1 = ztof0 - zlenC*0.5;
300 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
303 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
304 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
305 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
306 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
307 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
308 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
309 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
310 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
312 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
313 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
314 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
315 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
316 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
317 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
319 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
320 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
321 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
323 Float_t db = 0.5;//cm
324 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
332 xFST = xFLT-fDeadBndX*2;//cm
334 // Sizes of MRPC pads
336 Float_t yPad = 0.505;//cm
338 // Large not sensitive volumes with Insensitive Freon
342 if (fDebug) cout << ClassName() <<
343 ": ************************* TOF geometry **************************"<<endl;
345 par[2] = (zFLTA *0.5);
346 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
347 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
349 par[2] = (zFLTB * 0.5);
350 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
351 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
353 par[2] = (zFLTC * 0.5);
354 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
355 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
357 ///// Layers of Aluminum before and after detector /////
358 ///// Aluminum Box for Modules (1.8 mm thickness) /////
359 ///// lateral walls not simulated for the time being
360 //const Float_t khAlWall = 0.18;
362 const Float_t khAlWall = 0.11;
364 par[1] = khAlWall/2.;//cm
365 ycoor = -yFLT/2 + par[1];
366 par[2] = (zFLTA *0.5);
367 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
368 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
369 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
370 par[2] = (zFLTB *0.5);
371 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
372 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
373 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
374 par[2] = (zFLTC *0.5);
375 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
376 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
377 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
379 ///////////////// Detector itself //////////////////////
381 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
382 //and the boundary of the strip
383 const Int_t knx = fNpadX; // number of pads along x
384 const Int_t knz = fNpadZ; // number of pads along z
385 const Float_t kspace = fSpace; //cm distance from the front plate of the box
387 Float_t zSenStrip = fZpad*fNpadZ;//cm
388 Float_t stripWidth = zSenStrip + 2*kdeadBound;
392 par[2] = stripWidth*0.5;
394 // new description for strip volume -double stack strip-
395 // -- all constants are expressed in cm
396 // heigth of different layers
397 const Float_t khhony = 0.8 ; // heigth of HONY Layer
398 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
399 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
400 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
401 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
402 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
403 const Float_t kwsensmz = 2*3.5 ; // cm
404 const Float_t klsensmx = 48*2.5; // cm
405 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
406 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
408 // heigth of the FSTR Volume (the strip volume)
409 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
410 // width of the FSTR Volume (the strip volume)
411 const Float_t kwstripz = 10.;
412 // length of the FSTR Volume (the strip volume)
413 const Float_t klstripx = 122.;
415 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
416 // coordinates of the strip center in the strip reference frame; used for positioning
417 // internal strip volumes
418 Float_t posfp[3]={0.,0.,0.};
421 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
422 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
423 //-- HONY Layer definition
425 parfp[1] = khhony*0.5;
427 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
428 // positioning 2 HONY Layers on FSTR volume
430 posfp[1]=-khstripy*0.5+parfp[1];
431 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
432 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
434 //-- PCB Layer definition
435 parfp[1] = khpcby*0.5;
436 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
437 // positioning 2 PCB Layers on FSTR volume
438 posfp[1]=-khstripy*0.5+khhony+parfp[1];
439 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
440 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
441 // positioning the central PCB layer
442 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
446 //-- MYLAR Layer definition
447 parfp[1] = khmyly*0.5;
448 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
449 // positioning 2 MYLAR Layers on FSTR volume
450 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
451 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
452 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
453 // adding further 2 MYLAR Layers on FSTR volume
454 posfp[1] = khpcby*0.5+parfp[1];
455 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
456 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
459 //-- Graphite Layer definition
460 parfp[1] = khgraphy*0.5;
461 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
462 // positioning 2 Graphite Layers on FSTR volume
463 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
464 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
465 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
466 // adding further 2 Graphite Layers on FSTR volume
467 posfp[1] = khpcby*0.5+khmyly+parfp[1];
468 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
469 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
472 //-- Glass (EXT. +Semi INT.) Layer definition
473 parfp[1] = khglasseiy*0.5;
474 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
475 // positioning 2 Glass Layers on FSTR volume
476 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
477 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
478 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
479 // adding further 2 Glass Layers on FSTR volume
480 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
481 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
482 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
485 //-- Sensitive Mixture Layer definition
486 parfp[0] = klsensmx*0.5;
487 parfp[1] = khsensmy*0.5;
488 parfp[2] = kwsensmz*0.5;
489 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
490 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
491 // positioning 2 gas Layers on FSTR volume
492 // the upper is insensitive freon
493 // while the remaining is sensitive
494 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
495 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
496 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
498 // dividing FSEN along z in knz=2 and along x in knx=48
499 gMC->Gsdvn("FSEZ","FSEN",knz,3);
500 gMC->Gsdvn("FSEX","FSEZ",knx,1);
502 // FPAD volume definition
503 parfp[0] = klpadx*0.5;
504 parfp[1] = khsensmy*0.5;
505 parfp[2] = kwpadz*0.5;
506 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
507 // positioning the FPAD volumes on previous divisions
508 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
510 //// Positioning the Strips (FSTR) in the FLT volumes /////
514 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
516 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
522 ycoor = -14.5 + kspace ; //2 cm over front plate
524 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
525 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
527 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
528 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
532 Int_t upDown = -1; // upDown=-1 -> Upper strip
533 // upDown=+1 -> Lower strip
535 ang = atan(zcoor/radius);
537 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
538 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
540 ycoor = -14.5+ kspace; //2 cm over front plate
541 ycoor += (1-(upDown+1)/2)*gap;
542 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
543 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
545 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
546 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
549 upDown*= -1; // Alternate strips
550 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
551 upDown*gap*TMath::Tan(ang)-
552 (zSenStrip/2)/TMath::Cos(ang);
553 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
555 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
556 upDown*gap*TMath::Tan(ang)+
557 (zSenStrip/2)/TMath::Cos(ang);
560 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
561 upDown*gap*TMath::Tan(ang)-
562 (zSenStrip/2)/TMath::Cos(ang);
564 ang = atan(zcoor/radius);
566 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
567 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
570 ycoor = -14.5+ kspace; //2 cm over front plate
571 ycoor += (1-(upDown+1)/2)*gap;
572 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
573 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
575 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
576 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
578 ycoor = -hTof/2.+ kspace;//2 cm over front plate
585 Float_t deadRegion = 1.0;//cm
587 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
588 upDown*gap*TMath::Tan(ang)-
589 (zSenStrip/2)/TMath::Cos(ang)-
590 deadRegion/TMath::Cos(ang);
592 ang = atan(zpos/radius);
594 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
596 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
597 ycoor += (1-(upDown+1)/2)*gap;
598 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
599 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
601 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
602 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
608 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
609 upDown*gap*TMath::Tan(ang)-
610 (zSenStrip/2)/TMath::Cos(ang);
611 ang = atan(zpos/radius);
613 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
615 Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
616 Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
617 ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
618 ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
619 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
620 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
622 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
623 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
627 } while (TMath::Abs(ang*kRaddeg)<22.5);
628 //till we reach a tilting angle of 22.5 degrees
630 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
631 zpos = zpos - zSenStrip/TMath::Cos(ang);
632 // this avoid overlaps in between outer strips in plate B
633 Float_t deltaMovingUp=0.8; // [cm]
634 Float_t deltaMovingDown=-0.5; // [cm]
637 ang = atan(zpos/radius);
639 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
641 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
642 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
643 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
644 zpos = zpos - zSenStrip/TMath::Cos(ang);
646 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
647 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
651 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
655 zpos = zpos + zSenStrip/TMath::Cos(ang);
657 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
659 (zSenStrip/2)/TMath::Cos(ang);
663 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
664 ycoor= -hTof*0.5+kspace+gap+deltaGap;
668 ang = atan(zpos/radius);
670 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
672 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
673 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
675 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
676 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
678 zpos = zpos - zSenStrip/TMath::Cos(ang);
679 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
682 ////////// Layers after strips /////////////////
683 // Al Layer thickness (2.3mm) factor 0.7
685 Float_t overSpace = fOverSpc;//cm
688 par[1] = 0.115*0.7; // factor 0.7
689 par[2] = (zFLTA *0.5);
690 ycoor = -yFLT/2 + overSpace + par[1];
691 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
692 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
693 par[2] = (zFLTB *0.5);
694 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
695 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
696 par[2] = (zFLTC *0.5);
697 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
698 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
701 // plexiglass thickness: 1.5 mm ; factor 0.3
704 par[1] = 0.075*0.3; // factor 0.3
705 par[2] = (zFLTA *0.5);
707 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
708 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
709 par[2] = (zFLTB *0.5);
710 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
711 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
712 par[2] = (zFLTC *0.5);
713 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
714 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
719 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
720 par[2] = (zFLTA *0.5);
722 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
723 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
724 par[2] = (zFLTB *0.5);
725 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
726 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
727 par[2] = (zFLTC *0.5);
728 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
729 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
732 // start with cards and cooling tubes
733 // finally, cards, cooling tubes and layer for thermal dispersion
735 // card volume definition
737 // see GEOM200 in GEANT manual
738 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
744 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
745 //alu plate volume definition
748 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
751 // central module positioning (FAIA)
752 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
756 Float_t aplpos1 = -2.;
758 for (icard=0; icard<15; ++icard) {
759 cardpos[2]= cardpos[2]+stepforcardA;
760 aplpos2 = cardpos[2]+0.15;
761 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
762 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
767 // intermediate module positioning (FAIB)
768 Float_t stepforcardB= 7.05;
770 for (icard=0; icard<19; ++icard) {
771 cardpos[2]= cardpos[2]+stepforcardB;
772 aplpos2 = cardpos[2]+0.15;
773 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
774 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
778 // outer module positioning (FAIC)
779 Float_t stepforcardC= 8.45238;
781 for (icard=0; icard<20; ++icard) {
782 cardpos[2]= cardpos[2]+stepforcardC;
783 aplpos2 = cardpos[2]+0.15;
784 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
785 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
788 // tube volume definition
793 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
797 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
798 // positioning water tube into the steel one
799 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
803 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
804 // central module positioning (FAIA)
805 Float_t tubepos[3], tdis=0.6;
807 tubepos[1]= cardpos[1];
808 tubepos[2]= -53.+tdis;
811 for (itub=0; itub<15; ++itub) {
812 tubepos[2]= tubepos[2]+stepforcardA;
813 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
818 // intermediate module positioning (FAIB)
819 tubepos[2]= -70.5+tdis;
820 for (itub=0; itub<19; ++itub) {
821 tubepos[2]= tubepos[2]+stepforcardB;
822 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
826 // outer module positioning (FAIC)
827 tubepos[2]= -88.75+tdis;
828 for (itub=0; itub<20; ++itub) {
829 tubepos[2]= tubepos[2]+stepforcardC;
830 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
836 //_____________________________________________________________________________
837 void AliTOFv4::DrawModule() const
840 // Draw a shaded view of the Time Of Flight version 4
842 // Set everything unseen
843 gMC->Gsatt("*", "seen", -1);
845 // Set ALIC mother transparent
846 gMC->Gsatt("ALIC","SEEN",0);
848 // Set the volumes visible
849 gMC->Gsatt("ALIC","SEEN",0);
851 gMC->Gsatt("FTOA","SEEN",1);
852 gMC->Gsatt("FTOB","SEEN",1);
853 gMC->Gsatt("FTOC","SEEN",1);
854 gMC->Gsatt("FLTA","SEEN",1);
855 gMC->Gsatt("FLTB","SEEN",1);
856 gMC->Gsatt("FLTC","SEEN",1);
857 gMC->Gsatt("FPLA","SEEN",1);
858 gMC->Gsatt("FPLB","SEEN",1);
859 gMC->Gsatt("FPLC","SEEN",1);
860 gMC->Gsatt("FSTR","SEEN",1);
861 gMC->Gsatt("FPEA","SEEN",1);
862 gMC->Gsatt("FPEB","SEEN",1);
863 gMC->Gsatt("FPEC","SEEN",1);
865 gMC->Gsatt("FLZ1","SEEN",0);
866 gMC->Gsatt("FLZ2","SEEN",0);
867 gMC->Gsatt("FLZ3","SEEN",0);
868 gMC->Gsatt("FLX1","SEEN",0);
869 gMC->Gsatt("FLX2","SEEN",0);
870 gMC->Gsatt("FLX3","SEEN",0);
871 gMC->Gsatt("FPAD","SEEN",0);
873 gMC->Gdopt("hide", "on");
874 gMC->Gdopt("shad", "on");
875 gMC->Gsatt("*", "fill", 7);
876 gMC->SetClipBox(".");
877 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
879 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
880 gMC->Gdhead(1111, "Time Of Flight");
881 gMC->Gdman(18, 4, "MAN");
882 gMC->Gdopt("hide","off");
884 //_____________________________________________________________________________
885 void AliTOFv4::DrawDetectorModules()
888 // Draw a shaded view of the TOF detector version 4
892 //Set ALIC mother transparent
893 gMC->Gsatt("ALIC","SEEN",0);
896 //Set volumes visible
899 // Level 1 for TOF volumes
900 gMC->Gsatt("B077","seen",0);
903 //==========> Level 2
905 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
906 gMC->Gsatt("B071","seen",0);
907 gMC->Gsatt("B074","seen",0);
908 gMC->Gsatt("B075","seen",0);
909 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
913 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
914 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
915 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
916 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
917 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
918 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
919 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
920 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
921 gMC->Gsatt("BTO1","seen",0);
925 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
926 gMC->Gsatt("BTO2","seen",0);
929 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
930 gMC->Gsatt("BTO3","seen",0);
932 // ==================> Level 3
933 // Level 3 of B071 / Level 2 of BTO1
934 gMC->Gsatt("FTOC","seen",-2);
935 gMC->Gsatt("FTOB","seen",-2);
936 gMC->Gsatt("FTOA","seen",-2);
938 // Level 3 of B074 / Level 2 of BTO2
939 // -> cfr previous settings
941 // Level 3 of B075 / Level 2 of BTO3
942 // -> cfr previous settings
944 gMC->Gdopt("hide","on");
945 gMC->Gdopt("shad","on");
946 gMC->Gsatt("*", "fill", 5);
947 gMC->SetClipBox(".");
948 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
950 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
951 gMC->Gdhead(1111,"TOF detector V1");
952 gMC->Gdman(18, 4, "MAN");
953 gMC->Gdopt("hide","off");
956 //_____________________________________________________________________________
957 void AliTOFv4::DrawDetectorStrips()
960 // Draw a shaded view of the TOF strips for version 4
963 //Set ALIC mother transparent
964 gMC->Gsatt("ALIC","SEEN",0);
967 //Set volumes visible
969 // Level 1 for TOF volumes
970 gMC->Gsatt("B077","seen",0);
972 //==========> Level 2
974 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
975 gMC->Gsatt("B071","seen",0);
976 gMC->Gsatt("B074","seen",0);
977 gMC->Gsatt("B075","seen",0);
978 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
981 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
982 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
983 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
984 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
985 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
986 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
987 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
988 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
989 gMC->Gsatt("BTO1","seen",0);
991 // ==================> Level 3
992 // Level 3 of B071 / Level 2 of BTO1
993 gMC->Gsatt("FTOC","seen",0);
994 gMC->Gsatt("FTOB","seen",0);
995 gMC->Gsatt("FTOA","seen",0);
997 // Level 3 of B074 / Level 2 of BTO2
998 // -> cfr previous settings
1000 // Level 3 of B075 / Level 2 of BTO3
1001 // -> cfr previous settings
1004 // ==========================> Level 4
1005 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
1006 gMC->Gsatt("FLTC","seen",0);
1007 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
1008 gMC->Gsatt("FLTB","seen",0);
1009 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
1010 gMC->Gsatt("FLTA","seen",0);
1012 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
1013 // -> cfr previous settings
1014 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
1015 // -> cfr previous settings
1017 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
1018 // -> cfr previous settings
1020 //======================================> Level 5
1021 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
1022 gMC->Gsatt("FALC","seen",0); // no children for FALC
1023 gMC->Gsatt("FSTR","seen",-2);
1024 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
1025 gMC->Gsatt("FECC","seen",0); // no children for FECC
1026 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
1027 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
1029 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
1030 gMC->Gsatt("FALB","seen",0); // no children for FALB
1031 //--> gMC->Gsatt("FSTR","seen",-2);
1034 // -> cfr previous settings
1035 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
1036 gMC->Gsatt("FECB","seen",0); // no children for FECB
1037 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
1038 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
1040 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1041 gMC->Gsatt("FALA","seen",0); // no children for FALB
1042 //--> gMC->Gsatt("FSTR","seen",-2);
1043 // -> cfr previous settings
1044 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1045 gMC->Gsatt("FECA","seen",0); // no children for FECA
1046 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1047 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1050 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1051 gMC->Gsatt("BTO2","seen",0);
1054 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1055 gMC->Gsatt("BTO3","seen",0);
1057 // for others Level 5, cfr. previous settings
1059 gMC->Gdopt("hide","on");
1060 gMC->Gdopt("shad","on");
1061 gMC->Gsatt("*", "fill", 5);
1062 gMC->SetClipBox(".");
1063 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1064 gMC->DefaultRange();
1065 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1066 gMC->Gdhead(1111,"TOF Strips V1");
1067 gMC->Gdman(18, 4, "MAN");
1068 gMC->Gdopt("hide","off");
1071 //_____________________________________________________________________________
1072 void AliTOFv4::CreateMaterials()
1075 // Define materials for the Time Of Flight
1077 AliTOF::CreateMaterials();
1080 //_____________________________________________________________________________
1081 void AliTOFv4::Init()
1084 // Initialise the detector after the geometry has been defined
1087 printf("%s: **************************************"
1089 "**************************************\n",ClassName());
1090 printf("\n%s: Version 4 of TOF initialing, "
1091 "symmetric TOF - Full Coverage version\n",ClassName());
1096 fIdFTOA = gMC->VolId("FTOA");
1097 fIdFTOB = gMC->VolId("FTOB");
1098 fIdFTOC = gMC->VolId("FTOC");
1099 fIdFLTA = gMC->VolId("FLTA");
1100 fIdFLTB = gMC->VolId("FLTB");
1101 fIdFLTC = gMC->VolId("FLTC");
1104 printf("%s: **************************************"
1106 "**************************************\n",ClassName());
1110 //_____________________________________________________________________________
1111 void AliTOFv4::StepManager()
1114 // Procedure called at each step in the Time Of Flight
1116 TLorentzVector mom, pos;
1117 Float_t xm[3],pm[3],xpad[3],ppad[3];
1118 Float_t hits[13],phi,phid,z;
1120 Int_t sector, plate, padx, padz, strip;
1121 Int_t copy, padzid, padxid, stripid, i;
1122 Int_t *idtmed = fIdtmed->GetArray()-499;
1123 Float_t incidenceAngle;
1125 if(gMC->GetMedium()==idtmed[513] &&
1126 gMC->IsTrackEntering() && gMC->TrackCharge()
1127 && gMC->CurrentVolID(copy)==fIdSens)
1129 // getting information about hit volumes
1131 padzid=gMC->CurrentVolOffID(2,copy);
1134 padxid=gMC->CurrentVolOffID(1,copy);
1137 stripid=gMC->CurrentVolOffID(4,copy);
1140 gMC->TrackPosition(pos);
1141 gMC->TrackMomentum(mom);
1143 // Double_t NormPos=1./pos.Rho();
1144 Double_t normMom=1./mom.Rho();
1146 // getting the cohordinates in pad ref system
1147 xm[0] = (Float_t)pos.X();
1148 xm[1] = (Float_t)pos.Y();
1149 xm[2] = (Float_t)pos.Z();
1151 pm[0] = (Float_t)mom.X()*normMom;
1152 pm[1] = (Float_t)mom.Y()*normMom;
1153 pm[2] = (Float_t)mom.Z()*normMom;
1155 gMC->Gmtod(xm,xpad,1);
1156 gMC->Gmtod(pm,ppad,2);
1158 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1163 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1164 if (z < (fZlenA*0.5+fZlenB) &&
1165 z > fZlenA*0.5) plate = 4;
1166 if (z >-(fZlenA*0.5+fZlenB) &&
1167 z < -fZlenA*0.5) plate = 2;
1168 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1169 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1172 phid = phi*kRaddeg+180.;
1173 sector = Int_t (phid/20.);
1181 hits[6] = mom.Rho();
1186 hits[11]= incidenceAngle;
1187 hits[12]= gMC->Edep();
1195 AddHit(gAlice->CurrentTrack(),vol, hits);