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 **************************************************************************/
19 Revision 1.26 2001/11/13 14:36:40 vicinanz
20 Updated check for ppad[1] range
22 Revision 1.24 2001/09/27 10:39:20 vicinanz
23 SDigitizer and Merger added
25 Revision 1.23 2001/09/20 15:54:22 vicinanz
26 Updated Strip Structure (Double Stack)
28 Revision 1.22 2001/08/28 08:45:59 vicinanz
29 TTask and TFolder structures implemented
31 Revision 1.21 2001/05/16 14:57:24 alibrary
32 New files for folders and Stack
34 Revision 1.20 2001/05/04 10:09:48 vicinanz
35 Major upgrades to the strip structure
37 Revision 1.19 2000/12/04 08:48:20 alibrary
38 Fixing problems in the HEAD
40 Revision 1.18 2000/10/02 21:28:17 fca
41 Removal of useless dependecies via forward declarations
43 Revision 1.17 2000/06/06 07:52:09 vicinanz
44 NodeName array dimension enlarged
46 Revision 1.16 2000/05/10 16:52:18 vicinanz
47 New TOF version with holes for PHOS/RICH
49 Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
50 New version with Holes for PHOS/RICH
52 Revision 1.14 1999/11/05 22:39:06 fca
55 Revision 1.13 1999/11/02 11:26:39 fca
56 added stdlib.h for exit
58 Revision 1.12 1999/11/01 20:41:57 fca
59 Added protections against using the wrong version of FRAME
61 Revision 1.11 1999/10/22 08:04:14 fca
62 Correct improper use of negative parameters
64 Revision 1.10 1999/10/16 19:30:06 fca
65 Corrected Rotation Matrix and CVS log
67 Revision 1.9 1999/10/15 15:35:20 fca
68 New version for frame1099 with and without holes
70 Revision 1.8 1999/09/29 09:24:33 fca
71 Introduction of the Copyright and cvs Log
75 ///////////////////////////////////////////////////////////////////////////////
77 // Time Of Flight: design of C.Williams //
79 // This class contains the functions for version 1 of the Time Of Flight //
82 // VERSION WITH 5 MODULES AND TILTED STRIPS
84 // HOLES FOR PHOS DETECTOR
91 // University of Salerno - Italy
94 // University of Bologna - Italy
99 <img src="picts/AliTOFv1Class.gif">
103 ///////////////////////////////////////////////////////////////////////////////
105 #include <iostream.h>
108 #include "AliTOFv1.h"
110 #include "TGeometry.h"
113 #include <TLorentzVector.h>
117 #include "AliConst.h"
122 //_____________________________________________________________________________
126 // Default constructor
130 //_____________________________________________________________________________
131 AliTOFv1::AliTOFv1(const char *name, const char *title)
135 // Standard constructor
138 // Check that FRAME is there otherwise we have no place where to
140 AliModule* frame=gAlice->GetModule("FRAME");
142 Error("Ctor","TOF needs FRAME to be present\n");
145 if(frame->IsVersion()!=1) {
146 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
154 //____________________________________________________________________________
156 void AliTOFv1::BuildGeometry()
159 // Build TOF ROOT geometry for the ALICE event display
162 const int kColorTOF = 27;
165 top = gAlice->GetGeometry()->GetNode("alice");
167 // Position the different copies
168 const Float_t krTof =(fRmax+fRmin)/2;
169 const Float_t khTof = fRmax-fRmin;
170 const Int_t kNTof = fNTof;
171 const Float_t kPi = TMath::Pi();
172 const Float_t kangle = 2*kPi/kNTof;
175 // Define TOF basic volume
177 char nodeName0[7], nodeName1[7], nodeName2[7];
178 char nodeName3[7], nodeName4[7], rotMatNum[7];
180 new TBRIK("S_TOF_C","TOF box","void",
181 120*0.5,khTof*0.5,fZlenC*0.5);
182 new TBRIK("S_TOF_B","TOF box","void",
183 120*0.5,khTof*0.5,fZlenB*0.5);
184 new TBRIK("S_TOF_A","TOF box","void",
185 120*0.5,khTof*0.5,fZlenA*0.5);
187 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
190 sprintf(rotMatNum,"rot50%i",nodeNum);
191 sprintf(nodeName0,"FTO00%i",nodeNum);
192 sprintf(nodeName1,"FTO10%i",nodeNum);
193 sprintf(nodeName2,"FTO20%i",nodeNum);
194 sprintf(nodeName3,"FTO30%i",nodeNum);
195 sprintf(nodeName4,"FTO40%i",nodeNum);
198 sprintf(rotMatNum,"rot5%i",nodeNum);
199 sprintf(nodeName0,"FTO0%i",nodeNum);
200 sprintf(nodeName1,"FTO1%i",nodeNum);
201 sprintf(nodeName2,"FTO2%i",nodeNum);
202 sprintf(nodeName3,"FTO3%i",nodeNum);
203 sprintf(nodeName4,"FTO4%i",nodeNum);
206 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
207 ang = (4.5-nodeNum) * kangle;
210 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
211 node->SetLineColor(kColorTOF);
215 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
216 node->SetLineColor(kColorTOF);
220 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
221 node->SetLineColor(kColorTOF);
225 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
226 node->SetLineColor(kColorTOF);
229 if (nodeNum<8 || nodeNum>12) {
231 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
232 node->SetLineColor(kColorTOF);
234 } // Modules A which are not to be installed for PHOS holes.
235 } // end loop on nodeNum
239 //_____________________________________________________________________________
240 void AliTOFv1::CreateGeometry()
243 // Create geometry for Time Of Flight version 0
247 <img src="picts/AliTOFv1.gif">
251 // Creates common geometry
253 AliTOF::CreateGeometry();
256 //_____________________________________________________________________________
257 void AliTOFv1::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");
302 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
303 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
305 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
306 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
308 Float_t db = 0.5;//cm
309 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
317 xFST = xFLT-fDeadBndX*2;//cm
319 // Sizes of MRPC pads
321 Float_t yPad = 0.505;//cm
323 // Large not sensitive volumes with Insensitive Freon
327 if(fDebug) cout << ClassName()
328 << ": ************************* TOF geometry **************************"
331 par[2] = (zFLTA *0.5);
332 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
333 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
335 par[2] = (zFLTB * 0.5);
336 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
337 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
339 par[2] = (zFLTC * 0.5);
340 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
341 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
343 ////////// Layers of Aluminum before and after detector //////////
344 ////////// Aluminum Box for Modules (2.0 mm thickness) /////////
345 ////////// lateral walls not simulated
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 = 1. ; // heigth of HONY Layer
381 const Float_t khpcby = 0.15 ; // 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 = 0.17; // 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; //cm 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("%f, St. %2i, Pl.3 ",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("%f, St. %2i, Pl.3 ",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("%f, St. %2i, Pl.3 ",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("%f, St. %2i, Pl.4 ",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 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
599 ycoor += (1-(upDown+1)/2)*gap;
600 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
601 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
603 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
604 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
608 } while (TMath::Abs(ang*kRaddeg)<22.5);
609 //till we reach a tilting angle of 22.5 degrees
611 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
612 zpos = zpos - zSenStrip/TMath::Cos(ang);
615 ang = atan(zpos/radius);
617 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
619 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
620 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
621 zpos = zpos - zSenStrip/TMath::Cos(ang);
622 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
623 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
626 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
630 zpos = zpos + zSenStrip/TMath::Cos(ang);
632 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
634 (zSenStrip/2)/TMath::Cos(ang);
638 ycoor= -hTof*0.5+kspace+gap;
642 ang = atan(zpos/radius);
644 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
646 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
647 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
649 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
650 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
652 zpos = zpos - zSenStrip/TMath::Cos(ang);
653 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
656 ////////// Layers after strips /////////////////
657 // honeycomb (Polyethilene) Layer after (1.2cm)
659 Float_t overSpace = fOverSpc;//cm
663 par[2] = (zFLTA *0.5);
664 ycoor = -yFLT/2 + overSpace + par[1];
665 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
666 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
667 par[2] = (zFLTB *0.5);
668 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
669 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
670 par[2] = (zFLTC *0.5);
671 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
672 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
674 // Electronics (Cu) after
677 par[1] = 1.43*0.05*0.5; // 5% of X0
678 par[2] = (zFLTA *0.5);
680 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
681 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
682 par[2] = (zFLTB *0.5);
683 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
684 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
685 par[2] = (zFLTC *0.5);
686 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
687 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
689 // cooling WAter after
692 par[1] = 36.1*0.02*0.5; // 2% of X0
693 par[2] = (zFLTA *0.5);
695 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
696 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
697 par[2] = (zFLTB *0.5);
698 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
699 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
700 par[2] = (zFLTC *0.5);
701 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
702 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
707 par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
708 par[2] = (zFLTA *0.5);
710 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
711 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
712 par[2] = (zFLTB *0.5);
713 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
714 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
715 par[2] = (zFLTC *0.5);
716 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
717 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
719 //Back Plate honycomb (2cm)
723 ycoor = yFLT/2 - par[1];
724 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
725 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
726 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
727 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
728 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
729 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
733 //_____________________________________________________________________________
734 void AliTOFv1::DrawModule() const
737 // Draw a shaded view of the Time Of Flight version 1
739 // Set everything unseen
740 gMC->Gsatt("*", "seen", -1);
742 // Set ALIC mother transparent
743 gMC->Gsatt("ALIC","SEEN",0);
745 // Set the volumes visible
746 gMC->Gsatt("ALIC","SEEN",0);
748 gMC->Gsatt("FTOA","SEEN",1);
749 gMC->Gsatt("FTOB","SEEN",1);
750 gMC->Gsatt("FTOC","SEEN",1);
751 gMC->Gsatt("FLTA","SEEN",1);
752 gMC->Gsatt("FLTB","SEEN",1);
753 gMC->Gsatt("FLTC","SEEN",1);
754 gMC->Gsatt("FPLA","SEEN",1);
755 gMC->Gsatt("FPLB","SEEN",1);
756 gMC->Gsatt("FPLC","SEEN",1);
757 gMC->Gsatt("FSTR","SEEN",1);
758 gMC->Gsatt("FPEA","SEEN",1);
759 gMC->Gsatt("FPEB","SEEN",1);
760 gMC->Gsatt("FPEC","SEEN",1);
762 gMC->Gsatt("FLZ1","SEEN",0);
763 gMC->Gsatt("FLZ2","SEEN",0);
764 gMC->Gsatt("FLZ3","SEEN",0);
765 gMC->Gsatt("FLX1","SEEN",0);
766 gMC->Gsatt("FLX2","SEEN",0);
767 gMC->Gsatt("FLX3","SEEN",0);
768 gMC->Gsatt("FPAD","SEEN",0);
770 gMC->Gdopt("hide", "on");
771 gMC->Gdopt("shad", "on");
772 gMC->Gsatt("*", "fill", 7);
773 gMC->SetClipBox(".");
774 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
776 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
777 gMC->Gdhead(1111, "Time Of Flight");
778 gMC->Gdman(18, 4, "MAN");
779 gMC->Gdopt("hide","off");
781 //_____________________________________________________________________________
782 void AliTOFv1::DrawDetectorModules()
785 // Draw a shaded view of the TOF detector version 1
788 AliMC* pMC = AliMC::GetMC();
790 //Set ALIC mother transparent
791 pMC->Gsatt("ALIC","SEEN",0);
794 //Set volumes visible
797 // Level 1 for TOF volumes
798 gMC->Gsatt("B077","seen",0);
801 //==========> Level 2
803 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
804 gMC->Gsatt("B071","seen",0);
805 gMC->Gsatt("B074","seen",0);
806 gMC->Gsatt("B075","seen",0);
807 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
811 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
812 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
813 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
814 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
815 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
816 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
817 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
818 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
819 gMC->Gsatt("BTO1","seen",0);
823 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
824 gMC->Gsatt("BTO2","seen",0);
827 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
828 gMC->Gsatt("BTO3","seen",0);
830 // ==================> Level 3
831 // Level 3 of B071 / Level 2 of BTO1
832 gMC->Gsatt("FTOC","seen",-2);
833 gMC->Gsatt("FTOB","seen",-2);
834 gMC->Gsatt("FTOA","seen",-2);
836 // Level 3 of B074 / Level 2 of BTO2
837 // -> cfr previous settings
839 // Level 3 of B075 / Level 2 of BTO3
840 // -> cfr previous settings
842 gMC->Gdopt("hide","on");
843 gMC->Gdopt("shad","on");
844 gMC->Gsatt("*", "fill", 5);
845 gMC->SetClipBox(".");
846 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
848 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
849 gMC->Gdhead(1111,"TOF detector V1");
850 gMC->Gdman(18, 4, "MAN");
851 gMC->Gdopt("hide","off");
854 //_____________________________________________________________________________
855 void AliTOFv1::DrawDetectorStrips()
858 // Draw a shaded view of the TOF strips for version 1
861 AliMC* pMC = AliMC::GetMC();
863 //Set ALIC mother transparent
864 pMC->Gsatt("ALIC","SEEN",0);
867 //Set volumes visible
869 // Level 1 for TOF volumes
870 gMC->Gsatt("B077","seen",0);
872 //==========> Level 2
874 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
875 gMC->Gsatt("B071","seen",0);
876 gMC->Gsatt("B074","seen",0);
877 gMC->Gsatt("B075","seen",0);
878 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
881 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
882 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
883 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
884 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
885 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
886 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
887 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
888 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
889 gMC->Gsatt("BTO1","seen",0);
891 // ==================> Level 3
892 // Level 3 of B071 / Level 2 of BTO1
893 gMC->Gsatt("FTOC","seen",0);
894 gMC->Gsatt("FTOB","seen",0);
895 gMC->Gsatt("FTOA","seen",0);
897 // Level 3 of B074 / Level 2 of BTO2
898 // -> cfr previous settings
900 // Level 3 of B075 / Level 2 of BTO3
901 // -> cfr previous settings
904 // ==========================> Level 4
905 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
906 gMC->Gsatt("FLTC","seen",0);
907 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
908 gMC->Gsatt("FLTB","seen",0);
909 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
910 gMC->Gsatt("FLTA","seen",0);
912 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
913 // -> cfr previous settings
914 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
915 // -> cfr previous settings
917 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
918 // -> cfr previous settings
920 //======================================> Level 5
921 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
922 gMC->Gsatt("FALC","seen",0); // no children for FALC
923 gMC->Gsatt("FSTR","seen",-2);
924 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
925 gMC->Gsatt("FECC","seen",0); // no children for FECC
926 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
927 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
929 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
930 gMC->Gsatt("FALB","seen",0); // no children for FALB
931 //--> gMC->Gsatt("FSTR","seen",-2);
934 // -> cfr previous settings
935 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
936 gMC->Gsatt("FECB","seen",0); // no children for FECB
937 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
938 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
940 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
941 gMC->Gsatt("FALA","seen",0); // no children for FALB
942 //--> gMC->Gsatt("FSTR","seen",-2);
943 // -> cfr previous settings
944 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
945 gMC->Gsatt("FECA","seen",0); // no children for FECA
946 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
947 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
950 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
951 gMC->Gsatt("BTO2","seen",0);
954 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
955 gMC->Gsatt("BTO3","seen",0);
957 // for others Level 5, cfr. previous settings
959 gMC->Gdopt("hide","on");
960 gMC->Gdopt("shad","on");
961 gMC->Gsatt("*", "fill", 5);
962 gMC->SetClipBox(".");
963 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
965 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
966 gMC->Gdhead(1111,"TOF Strips V1");
967 gMC->Gdman(18, 4, "MAN");
968 gMC->Gdopt("hide","off");
971 //_____________________________________________________________________________
972 void AliTOFv1::CreateMaterials()
975 // Define materials for the Time Of Flight
977 AliTOF::CreateMaterials();
980 //_____________________________________________________________________________
981 void AliTOFv1::Init()
984 // Initialise the detector after the geometry has been defined
986 printf("**************************************"
988 "**************************************\n");
989 printf("\n Version 1 of TOF initialing, "
990 "TOF with holes for PHOS detector\n");
994 fIdFTOA = gMC->VolId("FTOA");
995 fIdFTOB = gMC->VolId("FTOB");
996 fIdFTOC = gMC->VolId("FTOC");
997 fIdFLTA = gMC->VolId("FLTA");
998 fIdFLTB = gMC->VolId("FLTB");
999 fIdFLTC = gMC->VolId("FLTC");
1001 printf("**************************************"
1003 "**************************************\n");
1006 //_____________________________________________________________________________
1007 void AliTOFv1::StepManager()
1010 // Procedure called at each step in the Time Of Flight
1012 TLorentzVector mom, pos;
1013 Float_t xm[3],pm[3],xpad[3],ppad[3];
1014 Float_t hits[13],phi,phid,z;
1016 Int_t sector, plate, padx, padz, strip;
1017 Int_t copy, padzid, padxid, stripid, i;
1018 Int_t *idtmed = fIdtmed->GetArray()-499;
1019 Float_t incidenceAngle;
1021 if(gMC->GetMedium()==idtmed[513] &&
1022 gMC->IsTrackEntering() && gMC->TrackCharge()
1023 && gMC->CurrentVolID(copy)==fIdSens)
1025 // getting information about hit volumes
1027 padzid=gMC->CurrentVolOffID(2,copy);
1030 padxid=gMC->CurrentVolOffID(1,copy);
1033 stripid=gMC->CurrentVolOffID(4,copy);
1036 gMC->TrackPosition(pos);
1037 gMC->TrackMomentum(mom);
1039 // Double_t NormPos=1./pos.Rho();
1040 Double_t normMom=1./mom.Rho();
1042 // getting the cohordinates in pad ref system
1043 xm[0] = (Float_t)pos.X();
1044 xm[1] = (Float_t)pos.Y();
1045 xm[2] = (Float_t)pos.Z();
1047 pm[0] = (Float_t)mom.X()*normMom;
1048 pm[1] = (Float_t)mom.Y()*normMom;
1049 pm[2] = (Float_t)mom.Z()*normMom;
1051 gMC->Gmtod(xm,xpad,1);
1052 gMC->Gmtod(pm,ppad,2);
1054 if(ppad[1]>1.) ppad[1]=1.;
1055 if(ppad[1]<-1.) ppad[1]=-1.;
1057 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1062 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1063 if (z < (fZlenA*0.5+fZlenB) &&
1064 z > fZlenA*0.5) plate = 4;
1065 if (z >-(fZlenA*0.5+fZlenB) &&
1066 z < -fZlenA*0.5) plate = 2;
1067 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1068 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1071 phid = phi*kRaddeg+180.;
1072 sector = Int_t (phid/20.);
1080 hits[6] = mom.Rho();
1085 hits[11]= incidenceAngle;
1086 hits[12]= gMC->Edep();
1094 AddHit(gAlice->CurrentTrack(),vol, hits);