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 1.26 2002/05/08 13:24:50 vicinanz
19 AliTOFanalyzeMatching.C macro added and minor changes to the AliTOF code
21 Revision 1.25 2001/11/22 11:22:51 hristov
22 Updated version of TOF digitization, N^2 problem solved (J.Chudoba)
24 Revision 1.23 2001/09/27 10:39:20 vicinanz
25 SDigitizer and Merger added
27 Revision 1.22 2001/09/20 15:54:22 vicinanz
28 Updated Strip Structure (Double Stack)
30 Revision 1.21 2001/08/28 08:45:59 vicinanz
31 TTask and TFolder structures implemented
33 Revision 1.20 2001/05/16 14:57:24 alibrary
34 New files for folders and Stack
36 Revision 1.19 2001/05/04 10:09:48 vicinanz
37 Major upgrades to the strip structure
39 Revision 1.18 2000/12/04 08:48:20 alibrary
40 Fixing problems in the HEAD
42 Revision 1.17 2000/10/02 21:28:17 fca
43 Removal of useless dependecies via forward declarations
45 Revision 1.16 2000/05/10 16:52:18 vicinanz
46 New TOF version with holes for PHOS/RICH
48 Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
49 New version with Holes for PHOS/RICH
51 Revision 1.14 1999/11/05 22:39:06 fca
54 Revision 1.13 1999/11/02 11:26:39 fca
55 added stdlib.h for exit
57 Revision 1.12 1999/11/01 20:41:57 fca
58 Added protections against using the wrong version of FRAME
60 Revision 1.11 1999/10/22 08:04:14 fca
61 Correct improper use of negative parameters
63 Revision 1.10 1999/10/16 19:30:06 fca
64 Corrected Rotation Matrix and CVS log
66 Revision 1.9 1999/10/15 15:35:20 fca
67 New version for frame1099 with and without holes
69 Revision 1.8 1999/09/29 09:24:33 fca
70 Introduction of the Copyright and cvs Log
74 ///////////////////////////////////////////////////////////////////////////////
76 // Time Of Flight: design of C.Williams //
78 // This class contains the functions for version 3 of the Time Of Flight //
81 // VERSION WITH 5 MODULES AND TILTED STRIPS
82 // HITS DEFINED FOR THIS VERSION
83 // HOLES FOR RICH DETECTOR
90 // University of Salerno - Italy
93 // University of Bologna - Italy
98 <img src="picts/AliTOFv3Class.gif">
102 ///////////////////////////////////////////////////////////////////////////////
104 #include <iostream.h>
107 #include "AliTOFv3.h"
109 #include "TGeometry.h"
111 #include <TLorentzVector.h>
115 #include "AliConst.h"
120 //_____________________________________________________________________________
124 // Default constructor
128 //_____________________________________________________________________________
129 AliTOFv3::AliTOFv3(const char *name, const char *title)
133 // Standard constructor
136 // Check that FRAME is there otherwise we have no place where to
138 AliModule* frame=gAlice->GetModule("FRAME");
140 Error("Ctor","TOF needs FRAME to be present\n");
143 if(frame->IsVersion()!=1) {
144 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
150 //____________________________________________________________________________
152 void AliTOFv3::BuildGeometry()
155 // Build TOF ROOT geometry for the ALICE event display
158 const int kColorTOF = 27;
161 top = gAlice->GetGeometry()->GetNode("alice");
163 // Position the different copies
164 const Float_t krTof =(fRmax+fRmin)/2;
165 const Float_t khTof = fRmax-fRmin;
166 const Int_t kNTof = fNTof;
167 const Float_t kPi = TMath::Pi();
168 const Float_t kangle = 2*kPi/kNTof;
171 // Define TOF basic volume
173 char nodeName0[7], nodeName1[7], nodeName2[7];
174 char nodeName3[7], nodeName4[7], rotMatNum[7];
176 new TBRIK("S_TOF_C","TOF box","void",
177 120*0.5,khTof*0.5,fZlenC*0.5);
178 new TBRIK("S_TOF_B","TOF box","void",
179 120*0.5,khTof*0.5,fZlenB*0.5);
180 new TBRIK("S_TOF_A","TOF box","void",
181 120*0.5,khTof*0.5,fZlenA*0.5);
183 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
186 sprintf(rotMatNum,"rot50%i",nodeNum);
187 sprintf(nodeName0,"FTO00%i",nodeNum);
188 sprintf(nodeName1,"FTO10%i",nodeNum);
189 sprintf(nodeName2,"FTO20%i",nodeNum);
190 sprintf(nodeName3,"FTO30%i",nodeNum);
191 sprintf(nodeName4,"FTO40%i",nodeNum);
194 sprintf(rotMatNum,"rot5%i",nodeNum);
195 sprintf(nodeName0,"FTO0%i",nodeNum);
196 sprintf(nodeName1,"FTO1%i",nodeNum);
197 sprintf(nodeName2,"FTO2%i",nodeNum);
198 sprintf(nodeName3,"FTO3%i",nodeNum);
199 sprintf(nodeName4,"FTO4%i",nodeNum);
202 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
203 ang = (4.5-nodeNum) * kangle;
206 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
207 node->SetLineColor(kColorTOF);
211 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
212 node->SetLineColor(kColorTOF);
214 if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
217 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
218 node->SetLineColor(kColorTOF);
222 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
223 node->SetLineColor(kColorTOF);
225 } // Holes for RICH detector
227 if (nodeNum !=1 && nodeNum !=2 && nodeNum !=18)
230 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
231 node->SetLineColor(kColorTOF);
233 } // Holes for RICH detector, central part
239 //_____________________________________________________________________________
240 void AliTOFv3::CreateGeometry()
243 // Create geometry for Time Of Flight version 0
247 <img src="picts/AliTOFv3.gif">
251 // Creates common geometry
253 AliTOF::CreateGeometry();
256 //_____________________________________________________________________________
257 void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
258 Float_t zlenB, Float_t zlenA, Float_t ztof0)
261 // Definition of the Time Of Fligh Resistive Plate Chambers
262 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
264 Float_t ycoor, zcoor;
266 Int_t *idtmed = fIdtmed->GetArray()-499;
269 Float_t hTof = fRmax-fRmin;
271 Float_t radius = fRmin+2.;//cm
275 par[2] = zlenC * 0.5;
276 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
277 par[2] = zlenB * 0.5;
278 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
279 par[2] = zlenA * 0.5;
280 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
283 // Positioning of modules
285 Float_t zcor1 = ztof0 - zlenC*0.5;
286 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
289 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
290 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
291 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
292 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
293 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
294 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
295 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
296 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
298 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
299 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
300 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
301 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
303 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
304 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
306 Float_t db = 0.5;//cm
307 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
315 xFST = xFLT-fDeadBndX*2;//cm
317 // Sizes of MRPC pads
319 Float_t yPad = 0.505;//cm
321 // Large not sensitive volumes with Insensitive Freon
325 if (fDebug) cout << ClassName() <<
326 cout <<": ************************* TOF geometry **************************"<<endl;
328 par[2] = (zFLTA *0.5);
329 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
330 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
332 par[2] = (zFLTB * 0.5);
333 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
334 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
336 par[2] = (zFLTC * 0.5);
337 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
338 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
340 ///// Layers of Aluminum before and after detector /////
341 ///// Aluminum Box for Modules (1.8 mm thickness) /////
342 ///// lateral walls not simulated for the time being
343 //const Float_t khAlWall = 0.18;
345 const Float_t khAlWall = 0.11;
347 par[1] = khAlWall/2.;//cm
348 ycoor = -yFLT/2 + par[1];
349 par[2] = (zFLTA *0.5);
350 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
351 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
352 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
353 par[2] = (zFLTB *0.5);
354 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
355 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
356 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
357 par[2] = (zFLTC *0.5);
358 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
359 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
360 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
362 ///////////////// Detector itself //////////////////////
364 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
365 //and the boundary of the strip
366 const Int_t knx = fNpadX; // number of pads along x
367 const Int_t knz = fNpadZ; // number of pads along z
368 const Float_t kspace = fSpace; //cm distance from the front plate of the box
370 Float_t zSenStrip = fZpad*fNpadZ;//cm
371 Float_t stripWidth = zSenStrip + 2*kdeadBound;
375 par[2] = stripWidth*0.5;
377 // new description for strip volume -double stack strip-
378 // -- all constants are expressed in cm
379 // heigth of different layers
380 const Float_t khhony = 0.8 ; // heigth of HONY Layer
381 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
382 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
383 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
384 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
385 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
386 const Float_t kwsensmz = 2*3.5 ; // cm
387 const Float_t klsensmx = 48*2.5; // cm
388 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
389 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
391 // heigth of the FSTR Volume (the strip volume)
392 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
393 // width of the FSTR Volume (the strip volume)
394 const Float_t kwstripz = 10.;
395 // length of the FSTR Volume (the strip volume)
396 const Float_t klstripx = 122.;
398 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
399 // coordinates of the strip center in the strip reference frame; used for positioning
400 // internal strip volumes
401 Float_t posfp[3]={0.,0.,0.};
404 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
405 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
406 //-- HONY Layer definition
408 parfp[1] = khhony*0.5;
410 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
411 // positioning 2 HONY Layers on FSTR volume
413 posfp[1]=-khstripy*0.5+parfp[1];
414 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
415 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
417 //-- PCB Layer definition
418 parfp[1] = khpcby*0.5;
419 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
420 // positioning 2 PCB Layers on FSTR volume
421 posfp[1]=-khstripy*0.5+khhony+parfp[1];
422 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
423 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
424 // positioning the central PCB layer
425 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
429 //-- MYLAR Layer definition
430 parfp[1] = khmyly*0.5;
431 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
432 // positioning 2 MYLAR Layers on FSTR volume
433 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
434 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
435 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
436 // adding further 2 MYLAR Layers on FSTR volume
437 posfp[1] = khpcby*0.5+parfp[1];
438 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
439 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
442 //-- Graphite Layer definition
443 parfp[1] = khgraphy*0.5;
444 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
445 // positioning 2 Graphite Layers on FSTR volume
446 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
447 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
448 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
449 // adding further 2 Graphite Layers on FSTR volume
450 posfp[1] = khpcby*0.5+khmyly+parfp[1];
451 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
452 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
455 //-- Glass (EXT. +Semi INT.) Layer definition
456 parfp[1] = khglasseiy*0.5;
457 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
458 // positioning 2 Glass Layers on FSTR volume
459 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
460 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
461 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
462 // adding further 2 Glass Layers on FSTR volume
463 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
464 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
465 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
468 //-- Sensitive Mixture Layer definition
469 parfp[0] = klsensmx*0.5;
470 parfp[1] = khsensmy*0.5;
471 parfp[2] = kwsensmz*0.5;
472 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
473 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
474 // positioning 2 gas Layers on FSTR volume
475 // the upper is insensitive freon
476 // while the remaining is sensitive
477 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
478 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
479 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
481 // dividing FSEN along z in knz=2 and along x in knx=48
482 gMC->Gsdvn("FSEZ","FSEN",knz,3);
483 gMC->Gsdvn("FSEX","FSEZ",knx,1);
485 // FPAD volume definition
486 parfp[0] = klpadx*0.5;
487 parfp[1] = khsensmy*0.5;
488 parfp[2] = kwpadz*0.5;
489 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
490 // positioning the FPAD volumes on previous divisions
491 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
493 //// Positioning the Strips (FSTR) in the FLT volumes /////
497 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
499 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
505 ycoor = -14.5 + kspace ; //2 cm over front plate
507 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
508 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
510 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
511 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
515 Int_t upDown = -1; // upDown=-1 -> Upper strip
516 // upDown=+1 -> Lower strip
518 ang = atan(zcoor/radius);
520 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
521 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
523 ycoor = -14.5+ kspace; //2 cm over front plate
524 ycoor += (1-(upDown+1)/2)*gap;
525 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
526 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
528 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
529 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
532 upDown*= -1; // Alternate strips
533 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
534 upDown*gap*TMath::Tan(ang)-
535 (zSenStrip/2)/TMath::Cos(ang);
536 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
538 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
539 upDown*gap*TMath::Tan(ang)+
540 (zSenStrip/2)/TMath::Cos(ang);
543 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
544 upDown*gap*TMath::Tan(ang)-
545 (zSenStrip/2)/TMath::Cos(ang);
547 ang = atan(zcoor/radius);
549 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
550 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
553 ycoor = -14.5+ kspace; //2 cm over front plate
554 ycoor += (1-(upDown+1)/2)*gap;
555 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
556 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
558 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
559 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
561 ycoor = -hTof/2.+ kspace;//2 cm over front plate
568 Float_t deadRegion = 1.0;//cm
570 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
571 upDown*gap*TMath::Tan(ang)-
572 (zSenStrip/2)/TMath::Cos(ang)-
573 deadRegion/TMath::Cos(ang);
575 ang = atan(zpos/radius);
577 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
579 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
580 ycoor += (1-(upDown+1)/2)*gap;
581 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
582 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
584 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
585 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
591 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
592 upDown*gap*TMath::Tan(ang)-
593 (zSenStrip/2)/TMath::Cos(ang);
594 ang = atan(zpos/radius);
596 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
598 Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
599 Float_t deltaGapinB=0.5; // [cm] to avoid overlaps in between initial strips
600 ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
601 ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
602 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
603 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
605 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
606 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
610 } while (TMath::Abs(ang*kRaddeg)<22.5);
611 //till we reach a tilting angle of 22.5 degrees
613 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
614 zpos = zpos - zSenStrip/TMath::Cos(ang);
615 // this avoid overlaps in between outer strips in plate B
616 Float_t deltaMovingUp=0.8; // [cm]
617 Float_t deltaMovingDown=-0.5; // [cm]
620 ang = atan(zpos/radius);
622 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
624 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
625 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
626 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
627 zpos = zpos - zSenStrip/TMath::Cos(ang);
629 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
630 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
634 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
638 zpos = zpos + zSenStrip/TMath::Cos(ang);
640 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
642 (zSenStrip/2)/TMath::Cos(ang);
646 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
647 ycoor= -hTof*0.5+kspace+gap+deltaGap;
651 ang = atan(zpos/radius);
653 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
655 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
656 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
658 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
659 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
661 zpos = zpos - zSenStrip/TMath::Cos(ang);
662 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
665 ////////// Layers after strips /////////////////
666 // Al Layer thickness (2.3mm) factor 0.7
668 Float_t overSpace = fOverSpc;//cm
671 par[1] = 0.115*0.7; // factor 0.7
672 par[2] = (zFLTA *0.5);
673 ycoor = -yFLT/2 + overSpace + par[1];
674 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
675 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
676 par[2] = (zFLTB *0.5);
677 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
678 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
679 par[2] = (zFLTC *0.5);
680 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
681 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
684 // plexiglass thickness: 1.5 mm ; factor 0.3
687 par[1] = 0.075*0.3; // factor 0.3
688 par[2] = (zFLTA *0.5);
690 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
691 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
692 par[2] = (zFLTB *0.5);
693 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
694 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
695 par[2] = (zFLTC *0.5);
696 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
697 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
702 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
703 par[2] = (zFLTA *0.5);
705 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
706 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
707 par[2] = (zFLTB *0.5);
708 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
709 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
710 par[2] = (zFLTC *0.5);
711 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
712 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
715 // start with cards and cooling tubes
716 // finally, cards, cooling tubes and layer for thermal dispersion
718 // card volume definition
720 // see GEOM200 in GEANT manual
721 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
727 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
728 //alu plate volume definition
731 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
734 // central module positioning (FAIA)
735 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
739 Float_t aplpos1 = -2.;
741 for (icard=0; icard<15; ++icard) {
742 cardpos[2]= cardpos[2]+stepforcardA;
743 aplpos2 = cardpos[2]+0.15;
744 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
745 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
750 // intermediate module positioning (FAIB)
751 Float_t stepforcardB= 7.05;
753 for (icard=0; icard<19; ++icard) {
754 cardpos[2]= cardpos[2]+stepforcardB;
755 aplpos2 = cardpos[2]+0.15;
756 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
757 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
761 // outer module positioning (FAIC)
762 Float_t stepforcardC= 8.45238;
764 for (icard=0; icard<20; ++icard) {
765 cardpos[2]= cardpos[2]+stepforcardC;
766 aplpos2 = cardpos[2]+0.15;
767 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
768 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
771 // tube volume definition
776 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
780 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
781 // positioning water tube into the steel one
782 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
786 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
787 // central module positioning (FAIA)
788 Float_t tubepos[3], tdis=0.6;
790 tubepos[1]= cardpos[1];
791 tubepos[2]= -53.+tdis;
794 for (itub=0; itub<15; ++itub) {
795 tubepos[2]= tubepos[2]+stepforcardA;
796 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
801 // intermediate module positioning (FAIB)
802 tubepos[2]= -70.5+tdis;
803 for (itub=0; itub<19; ++itub) {
804 tubepos[2]= tubepos[2]+stepforcardB;
805 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
809 // outer module positioning (FAIC)
810 tubepos[2]= -88.75+tdis;
811 for (itub=0; itub<20; ++itub) {
812 tubepos[2]= tubepos[2]+stepforcardC;
813 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
819 //_____________________________________________________________________________
820 void AliTOFv3::DrawModule() const
823 // Draw a shaded view of the Time Of Flight version 3
825 // Set everything unseen
826 gMC->Gsatt("*", "seen", -1);
828 // Set ALIC mother transparent
829 gMC->Gsatt("ALIC","SEEN",0);
831 // Set the volumes visible
832 gMC->Gsatt("ALIC","SEEN",0);
834 gMC->Gsatt("FTOA","SEEN",1);
835 gMC->Gsatt("FTOB","SEEN",1);
836 gMC->Gsatt("FTOC","SEEN",1);
837 gMC->Gsatt("FLTA","SEEN",1);
838 gMC->Gsatt("FLTB","SEEN",1);
839 gMC->Gsatt("FLTC","SEEN",1);
840 gMC->Gsatt("FPLA","SEEN",1);
841 gMC->Gsatt("FPLB","SEEN",1);
842 gMC->Gsatt("FPLC","SEEN",1);
843 gMC->Gsatt("FSTR","SEEN",1);
844 gMC->Gsatt("FPEA","SEEN",1);
845 gMC->Gsatt("FPEB","SEEN",1);
846 gMC->Gsatt("FPEC","SEEN",1);
848 gMC->Gsatt("FLZ1","SEEN",0);
849 gMC->Gsatt("FLZ2","SEEN",0);
850 gMC->Gsatt("FLZ3","SEEN",0);
851 gMC->Gsatt("FLX1","SEEN",0);
852 gMC->Gsatt("FLX2","SEEN",0);
853 gMC->Gsatt("FLX3","SEEN",0);
854 gMC->Gsatt("FPAD","SEEN",0);
856 gMC->Gdopt("hide", "on");
857 gMC->Gdopt("shad", "on");
858 gMC->Gsatt("*", "fill", 7);
859 gMC->SetClipBox(".");
860 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
862 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
863 gMC->Gdhead(1111, "Time Of Flight");
864 gMC->Gdman(18, 4, "MAN");
865 gMC->Gdopt("hide","off");
867 //_____________________________________________________________________________
868 void AliTOFv3::DrawDetectorModules()
871 // Draw a shaded view of the TOF detector version 3
874 AliMC* pMC = AliMC::GetMC();
876 //Set ALIC mother transparent
877 pMC->Gsatt("ALIC","SEEN",0);
880 //Set volumes visible
883 // Level 1 for TOF volumes
884 gMC->Gsatt("B077","seen",0);
887 //==========> Level 2
889 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
890 gMC->Gsatt("B071","seen",0);
891 gMC->Gsatt("B074","seen",0);
892 gMC->Gsatt("B075","seen",0);
893 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
897 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
898 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
899 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
900 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
901 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
902 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
903 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
904 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
905 gMC->Gsatt("BTO1","seen",0);
909 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
910 gMC->Gsatt("BTO2","seen",0);
913 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
914 gMC->Gsatt("BTO3","seen",0);
916 // ==================> Level 3
917 // Level 3 of B071 / Level 2 of BTO1
918 gMC->Gsatt("FTOC","seen",-2);
919 gMC->Gsatt("FTOB","seen",-2);
920 gMC->Gsatt("FTOA","seen",-2);
922 // Level 3 of B074 / Level 2 of BTO2
923 // -> cfr previous settings
925 // Level 3 of B075 / Level 2 of BTO3
926 // -> cfr previous settings
928 gMC->Gdopt("hide","on");
929 gMC->Gdopt("shad","on");
930 gMC->Gsatt("*", "fill", 5);
931 gMC->SetClipBox(".");
932 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
934 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
935 gMC->Gdhead(1111,"TOF detector V1");
936 gMC->Gdman(18, 4, "MAN");
937 gMC->Gdopt("hide","off");
940 //_____________________________________________________________________________
941 void AliTOFv3::DrawDetectorStrips()
944 // Draw a shaded view of the TOF strips for version 3
947 AliMC* pMC = AliMC::GetMC();
949 //Set ALIC mother transparent
950 pMC->Gsatt("ALIC","SEEN",0);
953 //Set volumes visible
955 // Level 1 for TOF volumes
956 gMC->Gsatt("B077","seen",0);
958 //==========> Level 2
960 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
961 gMC->Gsatt("B071","seen",0);
962 gMC->Gsatt("B074","seen",0);
963 gMC->Gsatt("B075","seen",0);
964 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
967 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
968 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
969 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
970 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
971 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
972 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
973 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
974 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
975 gMC->Gsatt("BTO1","seen",0);
977 // ==================> Level 3
978 // Level 3 of B071 / Level 2 of BTO1
979 gMC->Gsatt("FTOC","seen",0);
980 gMC->Gsatt("FTOB","seen",0);
981 gMC->Gsatt("FTOA","seen",0);
983 // Level 3 of B074 / Level 2 of BTO2
984 // -> cfr previous settings
986 // Level 3 of B075 / Level 2 of BTO3
987 // -> cfr previous settings
990 // ==========================> Level 4
991 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
992 gMC->Gsatt("FLTC","seen",0);
993 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
994 gMC->Gsatt("FLTB","seen",0);
995 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
996 gMC->Gsatt("FLTA","seen",0);
998 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
999 // -> cfr previous settings
1000 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
1001 // -> cfr previous settings
1003 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
1004 // -> cfr previous settings
1006 //======================================> Level 5
1007 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
1008 gMC->Gsatt("FALC","seen",0); // no children for FALC
1009 gMC->Gsatt("FSTR","seen",-2);
1010 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
1011 gMC->Gsatt("FECC","seen",0); // no children for FECC
1012 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
1013 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
1015 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
1016 gMC->Gsatt("FALB","seen",0); // no children for FALB
1017 //--> gMC->Gsatt("FSTR","seen",-2);
1020 // -> cfr previous settings
1021 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
1022 gMC->Gsatt("FECB","seen",0); // no children for FECB
1023 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
1024 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
1026 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1027 gMC->Gsatt("FALA","seen",0); // no children for FALB
1028 //--> gMC->Gsatt("FSTR","seen",-2);
1029 // -> cfr previous settings
1030 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1031 gMC->Gsatt("FECA","seen",0); // no children for FECA
1032 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1033 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1036 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1037 gMC->Gsatt("BTO2","seen",0);
1040 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1041 gMC->Gsatt("BTO3","seen",0);
1043 // for others Level 5, cfr. previous settings
1045 gMC->Gdopt("hide","on");
1046 gMC->Gdopt("shad","on");
1047 gMC->Gsatt("*", "fill", 5);
1048 gMC->SetClipBox(".");
1049 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1050 gMC->DefaultRange();
1051 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1052 gMC->Gdhead(1111,"TOF Strips V1");
1053 gMC->Gdman(18, 4, "MAN");
1054 gMC->Gdopt("hide","off");
1057 //_____________________________________________________________________________
1058 void AliTOFv3::CreateMaterials()
1061 // Define materials for the Time Of Flight
1063 AliTOF::CreateMaterials();
1066 //_____________________________________________________________________________
1067 void AliTOFv3::Init()
1070 // Initialise the detector after the geometry has been defined
1073 printf("%s: **************************************"
1075 "**************************************\n",ClassName());
1076 printf("\n%s Version 3 of TOF initialing, "
1077 "TOF with holes for RICH detector\n",ClassName());
1082 fIdFTOA = gMC->VolId("FTOA");
1083 fIdFTOB = gMC->VolId("FTOB");
1084 fIdFTOC = gMC->VolId("FTOC");
1085 fIdFLTA = gMC->VolId("FLTA");
1086 fIdFLTB = gMC->VolId("FLTB");
1087 fIdFLTC = gMC->VolId("FLTC");
1090 printf("%s: **************************************"
1092 "**************************************\n",ClassName());
1096 //_____________________________________________________________________________
1097 void AliTOFv3::StepManager()
1100 // Procedure called at each step in the Time Of Flight
1102 TLorentzVector mom, pos;
1103 Float_t xm[3],pm[3],xpad[3],ppad[3];
1104 Float_t hits[13],phi,phid,z;
1106 Int_t sector, plate, padx, padz, strip;
1107 Int_t copy, padzid, padxid, stripid, i;
1108 Int_t *idtmed = fIdtmed->GetArray()-499;
1109 Float_t incidenceAngle;
1111 if(gMC->GetMedium()==idtmed[513] &&
1112 gMC->IsTrackEntering() && gMC->TrackCharge()
1113 && gMC->CurrentVolID(copy)==fIdSens)
1115 // getting information about hit volumes
1117 padzid=gMC->CurrentVolOffID(2,copy);
1120 padxid=gMC->CurrentVolOffID(1,copy);
1123 stripid=gMC->CurrentVolOffID(4,copy);
1126 gMC->TrackPosition(pos);
1127 gMC->TrackMomentum(mom);
1129 // Double_t NormPos=1./pos.Rho();
1130 Double_t normMom=1./mom.Rho();
1132 // getting the cohordinates in pad ref system
1133 xm[0] = (Float_t)pos.X();
1134 xm[1] = (Float_t)pos.Y();
1135 xm[2] = (Float_t)pos.Z();
1137 pm[0] = (Float_t)mom.X()*normMom;
1138 pm[1] = (Float_t)mom.Y()*normMom;
1139 pm[2] = (Float_t)mom.Z()*normMom;
1141 gMC->Gmtod(xm,xpad,1);
1142 gMC->Gmtod(pm,ppad,2);
1144 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1149 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1150 if (z < (fZlenA*0.5+fZlenB) &&
1151 z > fZlenA*0.5) plate = 4;
1152 if (z >-(fZlenA*0.5+fZlenB) &&
1153 z < -fZlenA*0.5) plate = 2;
1154 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1155 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1158 phid = phi*kRaddeg+180.;
1159 sector = Int_t (phid/20.);
1167 hits[6] = mom.Rho();
1172 hits[11]= incidenceAngle;
1173 hits[12]= gMC->Edep();
1181 AddHit(gAlice->CurrentTrack(),vol, hits);