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 1.15.6.3 2002/07/25 06:24:28 alibrary
19 Updating TOF on VirtualMC
21 Revision 1.18 2002/07/24 16:13:56 vicinanz
22 Fixed bub in BuildGeometry
24 Revision 1.17 2002/06/24 14:09:12 vicinanz
25 review on materials and
27 Revision 1.16 2002/05/08 13:24:50 vicinanz
28 AliTOFanalyzeMatching.C macro added and minor changes to the AliTOF code
30 Revision 1.15 2001/11/22 11:22:51 hristov
31 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
33 Revision 1.13 2001/09/27 10:39:21 vicinanz
34 SDigitizer and Merger added
36 Revision 1.12 2001/09/20 15:54:22 vicinanz
37 Updated Strip Structure (Double Stack)
39 Revision 1.11 2001/08/28 08:45:59 vicinanz
40 TTask and TFolder structures implemented
42 Revision 1.10 2001/05/16 14:57:24 alibrary
43 New files for folders and Stack
45 Revision 1.9 2001/05/04 10:09:48 vicinanz
46 Major upgrades to the strip structure
48 Revision 1.8 2000/12/04 08:48:20 alibrary
49 Fixing problems in the HEAD
51 Revision 1.7 2000/10/02 21:28:17 fca
52 Removal of useless dependecies via forward declarations
54 Revision 1.6 2000/05/10 16:52:18 vicinanz
55 New TOF version with holes for PHOS/RICH
57 Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz
58 New version with Holes for PHOS/RICH
60 Revision 1.14 1999/11/05 22:39:06 fca
63 Revision 1.13 1999/11/02 11:26:39 fca
64 added stdlib.h for exit
66 Revision 1.12 1999/11/01 20:41:57 fca
67 Added protections against using the wrong version of FRAME
69 Revision 1.11 1999/10/22 08:04:14 fca
70 Correct improper use of negative parameters
72 Revision 1.10 1999/10/16 19:30:06 fca
73 Corrected Rotation Matrix and CVS log
75 Revision 1.9 1999/10/15 15:35:20 fca
76 New version for frame1099 with and without holes
78 Revision 1.8 1999/09/29 09:24:33 fca
79 Introduction of the Copyright and cvs Log
83 ///////////////////////////////////////////////////////////////////////////////
85 // This class contains the functions for version 4 of the Time Of Flight //
88 // VERSION WITH 5 MODULES AND TILTED STRIPS
90 // FULL COVERAGE VERSION
97 // University of Salerno - Italy
100 // University of Bologna - Italy
105 <img src="picts/AliTOFv4Class.gif">
109 ///////////////////////////////////////////////////////////////////////////////
111 #include <iostream.h>
114 #include "AliTOFv4.h"
116 #include "TGeometry.h"
118 #include <TLorentzVector.h>
122 #include "AliConst.h"
127 //_____________________________________________________________________________
131 // Default constructor
135 //_____________________________________________________________________________
136 AliTOFv4::AliTOFv4(const char *name, const char *title)
140 // Standard constructor
143 // Check that FRAME is there otherwise we have no place where to
145 AliModule* frame=gAlice->GetModule("FRAME");
147 Error("Ctor","TOF needs FRAME to be present\n");
150 if(frame->IsVersion()!=1) {
151 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
157 //____________________________________________________________________________
159 void AliTOFv4::BuildGeometry()
162 // Build TOF ROOT geometry for the ALICE event display
165 const int kColorTOF = 27;
168 top = gAlice->GetGeometry()->GetNode("alice");
170 // Position the different copies
171 const Float_t krTof =(fRmax+fRmin)/2;
172 const Float_t khTof = fRmax-fRmin;
173 const Int_t kNTof = fNTof;
174 const Float_t kPi = TMath::Pi();
175 const Float_t kangle = 2*kPi/kNTof;
178 // define offset for nodes
179 Float_t zOffsetC = fZtof - fZlenC*0.5;
180 Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
181 Float_t zOffsetA = 0.;
182 // Define TOF basic volume
184 char nodeName0[7], nodeName1[7], nodeName2[7];
185 char nodeName3[7], nodeName4[7], rotMatNum[7];
187 new TBRIK("S_TOF_C","TOF box","void",
188 fStripLn*0.5,khTof*0.5,fZlenC*0.5);
189 new TBRIK("S_TOF_B","TOF box","void",
190 fStripLn*0.5,khTof*0.5,fZlenB*0.5);
191 new TBRIK("S_TOF_A","TOF box","void",
192 fStripLn*0.5,khTof*0.5,fZlenA*0.5);
194 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
197 sprintf(rotMatNum,"rot50%i",nodeNum);
198 sprintf(nodeName0,"FTO00%i",nodeNum);
199 sprintf(nodeName1,"FTO10%i",nodeNum);
200 sprintf(nodeName2,"FTO20%i",nodeNum);
201 sprintf(nodeName3,"FTO30%i",nodeNum);
202 sprintf(nodeName4,"FTO40%i",nodeNum);
205 sprintf(rotMatNum,"rot5%i",nodeNum);
206 sprintf(nodeName0,"FTO0%i",nodeNum);
207 sprintf(nodeName1,"FTO1%i",nodeNum);
208 sprintf(nodeName2,"FTO2%i",nodeNum);
209 sprintf(nodeName3,"FTO3%i",nodeNum);
210 sprintf(nodeName4,"FTO4%i",nodeNum);
213 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
214 ang = (4.5-nodeNum) * kangle;
217 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
218 node->SetLineColor(kColorTOF);
222 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
223 node->SetLineColor(kColorTOF);
227 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
228 node->SetLineColor(kColorTOF);
232 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
233 node->SetLineColor(kColorTOF);
237 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
238 node->SetLineColor(kColorTOF);
240 } // end loop on nodeNum
245 //_____________________________________________________________________________
246 void AliTOFv4::CreateGeometry()
249 // Create geometry for Time Of Flight version 0
253 <img src="picts/AliTOFv4.gif">
257 // Creates common geometry
259 AliTOF::CreateGeometry();
262 //_____________________________________________________________________________
263 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
264 Float_t zlenB, Float_t zlenA, Float_t ztof0)
267 // Definition of the Time Of Fligh Resistive Plate Chambers
268 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
270 Float_t ycoor, zcoor;
272 Int_t *idtmed = fIdtmed->GetArray()-499;
275 Float_t hTof = fRmax-fRmin;
277 Float_t radius = fRmin+2.;//cm
281 par[2] = zlenC * 0.5;
282 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
283 par[2] = zlenB * 0.5;
284 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
285 par[2] = zlenA * 0.5;
286 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
289 // Positioning of modules
291 Float_t zcor1 = ztof0 - zlenC*0.5;
292 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
295 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
296 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
297 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
298 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
299 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
300 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
301 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
302 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
304 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
305 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
306 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
307 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
308 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
309 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
311 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
312 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
313 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
315 Float_t db = 0.5;//cm
316 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
324 xFST = xFLT-fDeadBndX*2;//cm
326 // Sizes of MRPC pads
328 Float_t yPad = 0.505;//cm
330 // Large not sensitive volumes with Insensitive Freon
334 if (fDebug) cout << ClassName() <<
335 ": ************************* TOF geometry **************************"<<endl;
337 par[2] = (zFLTA *0.5);
338 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
339 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
341 par[2] = (zFLTB * 0.5);
342 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
343 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
345 par[2] = (zFLTC * 0.5);
346 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
347 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
349 ///// Layers of Aluminum before and after detector /////
350 ///// Aluminum Box for Modules (1.8 mm thickness) /////
351 ///// lateral walls not simulated for the time being
352 //const Float_t khAlWall = 0.18;
354 const Float_t khAlWall = 0.11;
356 par[1] = khAlWall/2.;//cm
357 ycoor = -yFLT/2 + par[1];
358 par[2] = (zFLTA *0.5);
359 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
360 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
361 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
362 par[2] = (zFLTB *0.5);
363 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
364 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
365 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
366 par[2] = (zFLTC *0.5);
367 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
368 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
369 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
371 ///////////////// Detector itself //////////////////////
373 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
374 //and the boundary of the strip
375 const Int_t knx = fNpadX; // number of pads along x
376 const Int_t knz = fNpadZ; // number of pads along z
377 const Float_t kspace = fSpace; //cm distance from the front plate of the box
379 Float_t zSenStrip = fZpad*fNpadZ;//cm
380 Float_t stripWidth = zSenStrip + 2*kdeadBound;
384 par[2] = stripWidth*0.5;
386 // new description for strip volume -double stack strip-
387 // -- all constants are expressed in cm
388 // heigth of different layers
389 const Float_t khhony = 0.8 ; // heigth of HONY Layer
390 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
391 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
392 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
393 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
394 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
395 const Float_t kwsensmz = 2*3.5 ; // cm
396 const Float_t klsensmx = 48*2.5; // cm
397 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
398 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
400 // heigth of the FSTR Volume (the strip volume)
401 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
402 // width of the FSTR Volume (the strip volume)
403 const Float_t kwstripz = 10.;
404 // length of the FSTR Volume (the strip volume)
405 const Float_t klstripx = 122.;
407 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
408 // coordinates of the strip center in the strip reference frame; used for positioning
409 // internal strip volumes
410 Float_t posfp[3]={0.,0.,0.};
413 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
414 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
415 //-- HONY Layer definition
417 parfp[1] = khhony*0.5;
419 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
420 // positioning 2 HONY Layers on FSTR volume
422 posfp[1]=-khstripy*0.5+parfp[1];
423 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
424 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
426 //-- PCB Layer definition
427 parfp[1] = khpcby*0.5;
428 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
429 // positioning 2 PCB Layers on FSTR volume
430 posfp[1]=-khstripy*0.5+khhony+parfp[1];
431 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
432 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
433 // positioning the central PCB layer
434 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
438 //-- MYLAR Layer definition
439 parfp[1] = khmyly*0.5;
440 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
441 // positioning 2 MYLAR Layers on FSTR volume
442 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
443 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
444 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
445 // adding further 2 MYLAR Layers on FSTR volume
446 posfp[1] = khpcby*0.5+parfp[1];
447 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
448 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
451 //-- Graphite Layer definition
452 parfp[1] = khgraphy*0.5;
453 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
454 // positioning 2 Graphite Layers on FSTR volume
455 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
456 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
457 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
458 // adding further 2 Graphite Layers on FSTR volume
459 posfp[1] = khpcby*0.5+khmyly+parfp[1];
460 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
461 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
464 //-- Glass (EXT. +Semi INT.) Layer definition
465 parfp[1] = khglasseiy*0.5;
466 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
467 // positioning 2 Glass Layers on FSTR volume
468 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
469 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
470 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
471 // adding further 2 Glass Layers on FSTR volume
472 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
473 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
474 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
477 //-- Sensitive Mixture Layer definition
478 parfp[0] = klsensmx*0.5;
479 parfp[1] = khsensmy*0.5;
480 parfp[2] = kwsensmz*0.5;
481 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
482 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
483 // positioning 2 gas Layers on FSTR volume
484 // the upper is insensitive freon
485 // while the remaining is sensitive
486 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
487 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
488 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
490 // dividing FSEN along z in knz=2 and along x in knx=48
491 gMC->Gsdvn("FSEZ","FSEN",knz,3);
492 gMC->Gsdvn("FSEX","FSEZ",knx,1);
494 // FPAD volume definition
495 parfp[0] = klpadx*0.5;
496 parfp[1] = khsensmy*0.5;
497 parfp[2] = kwpadz*0.5;
498 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
499 // positioning the FPAD volumes on previous divisions
500 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
502 //// Positioning the Strips (FSTR) in the FLT volumes /////
506 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
508 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
514 ycoor = -14.5 + kspace ; //2 cm over front plate
516 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
517 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
519 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
520 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
524 Int_t upDown = -1; // upDown=-1 -> Upper strip
525 // upDown=+1 -> Lower strip
527 ang = atan(zcoor/radius);
529 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
530 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
532 ycoor = -14.5+ kspace; //2 cm over front plate
533 ycoor += (1-(upDown+1)/2)*gap;
534 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
535 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
537 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
538 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
541 upDown*= -1; // Alternate strips
542 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
543 upDown*gap*TMath::Tan(ang)-
544 (zSenStrip/2)/TMath::Cos(ang);
545 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
547 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
548 upDown*gap*TMath::Tan(ang)+
549 (zSenStrip/2)/TMath::Cos(ang);
552 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
553 upDown*gap*TMath::Tan(ang)-
554 (zSenStrip/2)/TMath::Cos(ang);
556 ang = atan(zcoor/radius);
558 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
559 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
562 ycoor = -14.5+ kspace; //2 cm over front plate
563 ycoor += (1-(upDown+1)/2)*gap;
564 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
565 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
567 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
568 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
570 ycoor = -hTof/2.+ kspace;//2 cm over front plate
577 Float_t deadRegion = 1.0;//cm
579 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
580 upDown*gap*TMath::Tan(ang)-
581 (zSenStrip/2)/TMath::Cos(ang)-
582 deadRegion/TMath::Cos(ang);
584 ang = atan(zpos/radius);
586 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
588 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
589 ycoor += (1-(upDown+1)/2)*gap;
590 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
591 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
593 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
594 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
600 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
601 upDown*gap*TMath::Tan(ang)-
602 (zSenStrip/2)/TMath::Cos(ang);
603 ang = atan(zpos/radius);
605 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
607 Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
608 Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
609 ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
610 ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
611 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
612 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
614 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
615 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
619 } while (TMath::Abs(ang*kRaddeg)<22.5);
620 //till we reach a tilting angle of 22.5 degrees
622 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
623 zpos = zpos - zSenStrip/TMath::Cos(ang);
624 // this avoid overlaps in between outer strips in plate B
625 Float_t deltaMovingUp=0.8; // [cm]
626 Float_t deltaMovingDown=-0.5; // [cm]
629 ang = atan(zpos/radius);
631 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
633 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
634 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
635 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
636 zpos = zpos - zSenStrip/TMath::Cos(ang);
638 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
639 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
643 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
647 zpos = zpos + zSenStrip/TMath::Cos(ang);
649 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
651 (zSenStrip/2)/TMath::Cos(ang);
655 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
656 ycoor= -hTof*0.5+kspace+gap+deltaGap;
660 ang = atan(zpos/radius);
662 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
664 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
665 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
667 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
668 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
670 zpos = zpos - zSenStrip/TMath::Cos(ang);
671 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
674 ////////// Layers after strips /////////////////
675 // Al Layer thickness (2.3mm) factor 0.7
677 Float_t overSpace = fOverSpc;//cm
680 par[1] = 0.115*0.7; // factor 0.7
681 par[2] = (zFLTA *0.5);
682 ycoor = -yFLT/2 + overSpace + par[1];
683 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
684 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
685 par[2] = (zFLTB *0.5);
686 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
687 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
688 par[2] = (zFLTC *0.5);
689 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
690 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
693 // plexiglass thickness: 1.5 mm ; factor 0.3
696 par[1] = 0.075*0.3; // factor 0.3
697 par[2] = (zFLTA *0.5);
699 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
700 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
701 par[2] = (zFLTB *0.5);
702 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
703 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
704 par[2] = (zFLTC *0.5);
705 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
706 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
711 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
712 par[2] = (zFLTA *0.5);
714 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
715 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
716 par[2] = (zFLTB *0.5);
717 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
718 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
719 par[2] = (zFLTC *0.5);
720 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
721 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
724 // start with cards and cooling tubes
725 // finally, cards, cooling tubes and layer for thermal dispersion
727 // card volume definition
729 // see GEOM200 in GEANT manual
730 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
736 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
737 //alu plate volume definition
740 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
743 // central module positioning (FAIA)
744 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
748 Float_t aplpos1 = -2.;
750 for (icard=0; icard<15; ++icard) {
751 cardpos[2]= cardpos[2]+stepforcardA;
752 aplpos2 = cardpos[2]+0.15;
753 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
754 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
759 // intermediate module positioning (FAIB)
760 Float_t stepforcardB= 7.05;
762 for (icard=0; icard<19; ++icard) {
763 cardpos[2]= cardpos[2]+stepforcardB;
764 aplpos2 = cardpos[2]+0.15;
765 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
766 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
770 // outer module positioning (FAIC)
771 Float_t stepforcardC= 8.45238;
773 for (icard=0; icard<20; ++icard) {
774 cardpos[2]= cardpos[2]+stepforcardC;
775 aplpos2 = cardpos[2]+0.15;
776 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
777 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
780 // tube volume definition
785 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
789 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
790 // positioning water tube into the steel one
791 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
795 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
796 // central module positioning (FAIA)
797 Float_t tubepos[3], tdis=0.6;
799 tubepos[1]= cardpos[1];
800 tubepos[2]= -53.+tdis;
803 for (itub=0; itub<15; ++itub) {
804 tubepos[2]= tubepos[2]+stepforcardA;
805 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
810 // intermediate module positioning (FAIB)
811 tubepos[2]= -70.5+tdis;
812 for (itub=0; itub<19; ++itub) {
813 tubepos[2]= tubepos[2]+stepforcardB;
814 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
818 // outer module positioning (FAIC)
819 tubepos[2]= -88.75+tdis;
820 for (itub=0; itub<20; ++itub) {
821 tubepos[2]= tubepos[2]+stepforcardC;
822 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
828 //_____________________________________________________________________________
829 void AliTOFv4::DrawModule() const
832 // Draw a shaded view of the Time Of Flight version 4
834 // Set everything unseen
835 gMC->Gsatt("*", "seen", -1);
837 // Set ALIC mother transparent
838 gMC->Gsatt("ALIC","SEEN",0);
840 // Set the volumes visible
841 gMC->Gsatt("ALIC","SEEN",0);
843 gMC->Gsatt("FTOA","SEEN",1);
844 gMC->Gsatt("FTOB","SEEN",1);
845 gMC->Gsatt("FTOC","SEEN",1);
846 gMC->Gsatt("FLTA","SEEN",1);
847 gMC->Gsatt("FLTB","SEEN",1);
848 gMC->Gsatt("FLTC","SEEN",1);
849 gMC->Gsatt("FPLA","SEEN",1);
850 gMC->Gsatt("FPLB","SEEN",1);
851 gMC->Gsatt("FPLC","SEEN",1);
852 gMC->Gsatt("FSTR","SEEN",1);
853 gMC->Gsatt("FPEA","SEEN",1);
854 gMC->Gsatt("FPEB","SEEN",1);
855 gMC->Gsatt("FPEC","SEEN",1);
857 gMC->Gsatt("FLZ1","SEEN",0);
858 gMC->Gsatt("FLZ2","SEEN",0);
859 gMC->Gsatt("FLZ3","SEEN",0);
860 gMC->Gsatt("FLX1","SEEN",0);
861 gMC->Gsatt("FLX2","SEEN",0);
862 gMC->Gsatt("FLX3","SEEN",0);
863 gMC->Gsatt("FPAD","SEEN",0);
865 gMC->Gdopt("hide", "on");
866 gMC->Gdopt("shad", "on");
867 gMC->Gsatt("*", "fill", 7);
868 gMC->SetClipBox(".");
869 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
871 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
872 gMC->Gdhead(1111, "Time Of Flight");
873 gMC->Gdman(18, 4, "MAN");
874 gMC->Gdopt("hide","off");
876 //_____________________________________________________________________________
877 void AliTOFv4::DrawDetectorModules()
880 // Draw a shaded view of the TOF detector version 4
883 AliMC* pMC = AliMC::GetMC();
885 //Set ALIC mother transparent
886 pMC->Gsatt("ALIC","SEEN",0);
889 //Set volumes visible
892 // Level 1 for TOF volumes
893 gMC->Gsatt("B077","seen",0);
896 //==========> Level 2
898 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
899 gMC->Gsatt("B071","seen",0);
900 gMC->Gsatt("B074","seen",0);
901 gMC->Gsatt("B075","seen",0);
902 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
906 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
907 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
908 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
909 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
910 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
911 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
912 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
913 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
914 gMC->Gsatt("BTO1","seen",0);
918 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
919 gMC->Gsatt("BTO2","seen",0);
922 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
923 gMC->Gsatt("BTO3","seen",0);
925 // ==================> Level 3
926 // Level 3 of B071 / Level 2 of BTO1
927 gMC->Gsatt("FTOC","seen",-2);
928 gMC->Gsatt("FTOB","seen",-2);
929 gMC->Gsatt("FTOA","seen",-2);
931 // Level 3 of B074 / Level 2 of BTO2
932 // -> cfr previous settings
934 // Level 3 of B075 / Level 2 of BTO3
935 // -> cfr previous settings
937 gMC->Gdopt("hide","on");
938 gMC->Gdopt("shad","on");
939 gMC->Gsatt("*", "fill", 5);
940 gMC->SetClipBox(".");
941 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
943 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
944 gMC->Gdhead(1111,"TOF detector V1");
945 gMC->Gdman(18, 4, "MAN");
946 gMC->Gdopt("hide","off");
949 //_____________________________________________________________________________
950 void AliTOFv4::DrawDetectorStrips()
953 // Draw a shaded view of the TOF strips for version 4
956 AliMC* pMC = AliMC::GetMC();
958 //Set ALIC mother transparent
959 pMC->Gsatt("ALIC","SEEN",0);
962 //Set volumes visible
964 // Level 1 for TOF volumes
965 gMC->Gsatt("B077","seen",0);
967 //==========> Level 2
969 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
970 gMC->Gsatt("B071","seen",0);
971 gMC->Gsatt("B074","seen",0);
972 gMC->Gsatt("B075","seen",0);
973 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
976 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
977 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
978 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
979 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
980 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
981 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
982 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
983 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
984 gMC->Gsatt("BTO1","seen",0);
986 // ==================> Level 3
987 // Level 3 of B071 / Level 2 of BTO1
988 gMC->Gsatt("FTOC","seen",0);
989 gMC->Gsatt("FTOB","seen",0);
990 gMC->Gsatt("FTOA","seen",0);
992 // Level 3 of B074 / Level 2 of BTO2
993 // -> cfr previous settings
995 // Level 3 of B075 / Level 2 of BTO3
996 // -> cfr previous settings
999 // ==========================> Level 4
1000 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
1001 gMC->Gsatt("FLTC","seen",0);
1002 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
1003 gMC->Gsatt("FLTB","seen",0);
1004 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
1005 gMC->Gsatt("FLTA","seen",0);
1007 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
1008 // -> cfr previous settings
1009 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
1010 // -> cfr previous settings
1012 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
1013 // -> cfr previous settings
1015 //======================================> Level 5
1016 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
1017 gMC->Gsatt("FALC","seen",0); // no children for FALC
1018 gMC->Gsatt("FSTR","seen",-2);
1019 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
1020 gMC->Gsatt("FECC","seen",0); // no children for FECC
1021 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
1022 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
1024 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
1025 gMC->Gsatt("FALB","seen",0); // no children for FALB
1026 //--> gMC->Gsatt("FSTR","seen",-2);
1029 // -> cfr previous settings
1030 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
1031 gMC->Gsatt("FECB","seen",0); // no children for FECB
1032 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
1033 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
1035 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1036 gMC->Gsatt("FALA","seen",0); // no children for FALB
1037 //--> gMC->Gsatt("FSTR","seen",-2);
1038 // -> cfr previous settings
1039 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1040 gMC->Gsatt("FECA","seen",0); // no children for FECA
1041 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1042 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1045 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1046 gMC->Gsatt("BTO2","seen",0);
1049 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1050 gMC->Gsatt("BTO3","seen",0);
1052 // for others Level 5, cfr. previous settings
1054 gMC->Gdopt("hide","on");
1055 gMC->Gdopt("shad","on");
1056 gMC->Gsatt("*", "fill", 5);
1057 gMC->SetClipBox(".");
1058 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1059 gMC->DefaultRange();
1060 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1061 gMC->Gdhead(1111,"TOF Strips V1");
1062 gMC->Gdman(18, 4, "MAN");
1063 gMC->Gdopt("hide","off");
1066 //_____________________________________________________________________________
1067 void AliTOFv4::CreateMaterials()
1070 // Define materials for the Time Of Flight
1072 AliTOF::CreateMaterials();
1075 //_____________________________________________________________________________
1076 void AliTOFv4::Init()
1079 // Initialise the detector after the geometry has been defined
1082 printf("%s: **************************************"
1084 "**************************************\n",ClassName());
1085 printf("\n%s: Version 4 of TOF initialing, "
1086 "symmetric TOF - Full Coverage version\n",ClassName());
1091 fIdFTOA = gMC->VolId("FTOA");
1092 fIdFTOB = gMC->VolId("FTOB");
1093 fIdFTOC = gMC->VolId("FTOC");
1094 fIdFLTA = gMC->VolId("FLTA");
1095 fIdFLTB = gMC->VolId("FLTB");
1096 fIdFLTC = gMC->VolId("FLTC");
1099 printf("%s: **************************************"
1101 "**************************************\n",ClassName());
1105 //_____________________________________________________________________________
1106 void AliTOFv4::StepManager()
1109 // Procedure called at each step in the Time Of Flight
1111 TLorentzVector mom, pos;
1112 Float_t xm[3],pm[3],xpad[3],ppad[3];
1113 Float_t hits[13],phi,phid,z;
1115 Int_t sector, plate, padx, padz, strip;
1116 Int_t copy, padzid, padxid, stripid, i;
1117 Int_t *idtmed = fIdtmed->GetArray()-499;
1118 Float_t incidenceAngle;
1120 if(gMC->GetMedium()==idtmed[513] &&
1121 gMC->IsTrackEntering() && gMC->TrackCharge()
1122 && gMC->CurrentVolID(copy)==fIdSens)
1124 // getting information about hit volumes
1126 padzid=gMC->CurrentVolOffID(2,copy);
1129 padxid=gMC->CurrentVolOffID(1,copy);
1132 stripid=gMC->CurrentVolOffID(4,copy);
1135 gMC->TrackPosition(pos);
1136 gMC->TrackMomentum(mom);
1138 // Double_t NormPos=1./pos.Rho();
1139 Double_t normMom=1./mom.Rho();
1141 // getting the cohordinates in pad ref system
1142 xm[0] = (Float_t)pos.X();
1143 xm[1] = (Float_t)pos.Y();
1144 xm[2] = (Float_t)pos.Z();
1146 pm[0] = (Float_t)mom.X()*normMom;
1147 pm[1] = (Float_t)mom.Y()*normMom;
1148 pm[2] = (Float_t)mom.Z()*normMom;
1150 gMC->Gmtod(xm,xpad,1);
1151 gMC->Gmtod(pm,ppad,2);
1153 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1158 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1159 if (z < (fZlenA*0.5+fZlenB) &&
1160 z > fZlenA*0.5) plate = 4;
1161 if (z >-(fZlenA*0.5+fZlenB) &&
1162 z < -fZlenA*0.5) plate = 2;
1163 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1164 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1167 phid = phi*kRaddeg+180.;
1168 sector = Int_t (phid/20.);
1176 hits[6] = mom.Rho();
1181 hits[11]= incidenceAngle;
1182 hits[12]= gMC->Edep();
1190 AddHit(gAlice->CurrentTrack(),vol, hits);