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 2 of the Time Of Flight //
81 // VERSION WITH 5 MODULES AND TILTED STRIPS
83 // HOLES FOR PHOS AND RICH DETECTOR
90 // University of Salerno - Italy
93 // University of Bologna - Italy
98 <img src="picts/AliTOFv2Class.gif">
102 ///////////////////////////////////////////////////////////////////////////////
104 #include <iostream.h>
107 #include "AliTOFv2.h"
109 #include "TGeometry.h"
111 #include <TLorentzVector.h>
116 #include "AliConst.h"
121 //_____________________________________________________________________________
125 // Default constructor
129 //_____________________________________________________________________________
130 AliTOFv2::AliTOFv2(const char *name, const char *title)
134 // Standard constructor
137 // Check that FRAME is there otherwise we have no place where to
139 AliModule* frame=gAlice->GetModule("FRAME");
141 Error("Ctor","TOF needs FRAME to be present\n");
144 if(frame->IsVersion()!=1) {
145 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
151 //____________________________________________________________________________
153 void AliTOFv2::BuildGeometry()
156 // Build TOF ROOT geometry for the ALICE event display
159 const int kColorTOF = 27;
162 top = gAlice->GetGeometry()->GetNode("alice");
164 // Position the different copies
165 const Float_t krTof =(fRmax+fRmin)/2;
166 const Float_t khTof = fRmax-fRmin;
167 const Int_t kNTof = fNTof;
168 const Float_t kPi = TMath::Pi();
169 const Float_t kangle = 2*kPi/kNTof;
172 // Define TOF basic volume
174 char nodeName0[6], nodeName1[6], nodeName2[6];
175 char nodeName3[6], nodeName4[6], rotMatNum[6];
177 new TBRIK("S_TOF_C","TOF box","void",
178 120*0.5,khTof*0.5,fZlenC*0.5);
179 new TBRIK("S_TOF_B","TOF box","void",
180 120*0.5,khTof*0.5,fZlenB*0.5);
181 new TBRIK("S_TOF_A","TOF box","void",
182 120*0.5,khTof*0.5,fZlenA*0.5);
184 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
187 sprintf(rotMatNum,"rot50%i",nodeNum);
188 sprintf(nodeName0,"FTO00%i",nodeNum);
189 sprintf(nodeName1,"FTO10%i",nodeNum);
190 sprintf(nodeName2,"FTO20%i",nodeNum);
191 sprintf(nodeName3,"FTO30%i",nodeNum);
192 sprintf(nodeName4,"FTO40%i",nodeNum);
195 sprintf(rotMatNum,"rot5%i",nodeNum);
196 sprintf(nodeName0,"FTO0%i",nodeNum);
197 sprintf(nodeName1,"FTO1%i",nodeNum);
198 sprintf(nodeName2,"FTO2%i",nodeNum);
199 sprintf(nodeName3,"FTO3%i",nodeNum);
200 sprintf(nodeName4,"FTO4%i",nodeNum);
203 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
204 ang = (4.5-nodeNum) * kangle;
207 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
208 node->SetLineColor(kColorTOF);
212 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
213 node->SetLineColor(kColorTOF);
215 if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
218 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
219 node->SetLineColor(kColorTOF);
223 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
224 node->SetLineColor(kColorTOF);
226 } // Holes for RICH detector
228 if ((nodeNum<8 || nodeNum>12) && nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
231 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
232 node->SetLineColor(kColorTOF);
234 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
235 } // end loop on nodeNum
239 //_____________________________________________________________________________
240 void AliTOFv2::CreateGeometry()
243 // Create geometry for Time Of Flight version 0
247 <img src="picts/AliTOFv2.gif">
251 // Creates common geometry
253 AliTOF::CreateGeometry();
256 //_____________________________________________________________________________
257 void AliTOFv2::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");
305 Float_t db = 0.5;//cm
306 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
314 xFST = xFLT-fDeadBndX*2;//cm
316 // Sizes of MRPC pads
318 Float_t yPad = 0.505;//cm
320 // Large not sensitive volumes with Insensitive Freon
326 <<": ************************* TOF geometry **************************"
329 par[2] = (zFLTA *0.5);
330 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
331 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
333 par[2] = (zFLTB * 0.5);
334 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
335 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
337 par[2] = (zFLTC * 0.5);
338 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
339 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
341 ///// Layers of Aluminum before and after detector /////
342 ///// Aluminum Box for Modules (1.8 mm thickness) /////
343 ///// lateral walls not simulated for the time being
344 //const Float_t khAlWall = 0.18;
346 const Float_t khAlWall = 0.11;
348 par[1] = khAlWall/2.;//cm
349 ycoor = -yFLT/2 + par[1];
350 par[2] = (zFLTA *0.5);
351 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
352 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
353 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
354 par[2] = (zFLTB *0.5);
355 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
356 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
357 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
358 par[2] = (zFLTC *0.5);
359 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
360 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
361 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
363 ///////////////// Detector itself //////////////////////
365 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
366 //and the boundary of the strip
367 const Int_t knx = fNpadX; // number of pads along x
368 const Int_t knz = fNpadZ; // number of pads along z
369 const Float_t kspace = fSpace; //cm distance from the front plate of the box
371 Float_t zSenStrip = fZpad*fNpadZ;//cm
372 Float_t stripWidth = zSenStrip + 2*kdeadBound;
376 par[2] = stripWidth*0.5;
378 // new description for strip volume -double stack strip-
379 // -- all constants are expressed in cm
380 // heigth of different layers
381 const Float_t khhony = 0.8 ; // heigth of HONY Layer
382 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
383 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
384 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
385 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
386 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
387 const Float_t kwsensmz = 2*3.5 ; // cm
388 const Float_t klsensmx = 48*2.5; // cm
389 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
390 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
392 // heigth of the FSTR Volume (the strip volume)
393 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
394 // width of the FSTR Volume (the strip volume)
395 const Float_t kwstripz = 10.;
396 // length of the FSTR Volume (the strip volume)
397 const Float_t klstripx = 122.;
399 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
400 // coordinates of the strip center in the strip reference frame; used for positioning
401 // internal strip volumes
402 Float_t posfp[3]={0.,0.,0.};
405 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
406 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
407 //-- HONY Layer definition
409 parfp[1] = khhony*0.5;
411 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
412 // positioning 2 HONY Layers on FSTR volume
414 posfp[1]=-khstripy*0.5+parfp[1];
415 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
416 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
418 //-- PCB Layer definition
419 parfp[1] = khpcby*0.5;
420 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
421 // positioning 2 PCB Layers on FSTR volume
422 posfp[1]=-khstripy*0.5+khhony+parfp[1];
423 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
424 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
425 // positioning the central PCB layer
426 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
430 //-- MYLAR Layer definition
431 parfp[1] = khmyly*0.5;
432 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
433 // positioning 2 MYLAR Layers on FSTR volume
434 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
435 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
436 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
437 // adding further 2 MYLAR Layers on FSTR volume
438 posfp[1] = khpcby*0.5+parfp[1];
439 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
440 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
443 //-- Graphite Layer definition
444 parfp[1] = khgraphy*0.5;
445 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
446 // positioning 2 Graphite Layers on FSTR volume
447 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
448 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
449 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
450 // adding further 2 Graphite Layers on FSTR volume
451 posfp[1] = khpcby*0.5+khmyly+parfp[1];
452 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
453 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
456 //-- Glass (EXT. +Semi INT.) Layer definition
457 parfp[1] = khglasseiy*0.5;
458 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
459 // positioning 2 Glass Layers on FSTR volume
460 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
461 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
462 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
463 // adding further 2 Glass Layers on FSTR volume
464 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
465 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
466 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
469 //-- Sensitive Mixture Layer definition
470 parfp[0] = klsensmx*0.5;
471 parfp[1] = khsensmy*0.5;
472 parfp[2] = kwsensmz*0.5;
473 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
474 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
475 // positioning 2 gas Layers on FSTR volume
476 // the upper is insensitive freon
477 // while the remaining is sensitive
478 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
479 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
480 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
482 // dividing FSEN along z in knz=2 and along x in knx=48
483 gMC->Gsdvn("FSEZ","FSEN",knz,3);
484 gMC->Gsdvn("FSEX","FSEZ",knx,1);
486 // FPAD volume definition
487 parfp[0] = klpadx*0.5;
488 parfp[1] = khsensmy*0.5;
489 parfp[2] = kwpadz*0.5;
490 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
491 // positioning the FPAD volumes on previous divisions
492 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
494 //// Positioning the Strips (FSTR) in the FLT volumes /////
498 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
500 Float_t gap = fGapA+0.5; //cm updated distance between the strip axis
506 ycoor = -14.5 + kspace ; //2 cm over front plate
508 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
509 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
512 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
513 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
518 Int_t upDown = -1; // upDown=-1 -> Upper strip
519 // upDown=+1 -> Lower strip
521 ang = atan(zcoor/radius);
523 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
524 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
526 ycoor = -14.5+ kspace; //2 cm over front plate
527 ycoor += (1-(upDown+1)/2)*gap;
528 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
529 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
532 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
533 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
537 upDown*= -1; // Alternate strips
538 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
539 upDown*gap*TMath::Tan(ang)-
540 (zSenStrip/2)/TMath::Cos(ang);
541 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
543 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
544 upDown*gap*TMath::Tan(ang)+
545 (zSenStrip/2)/TMath::Cos(ang);
548 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
549 upDown*gap*TMath::Tan(ang)-
550 (zSenStrip/2)/TMath::Cos(ang);
552 ang = atan(zcoor/radius);
554 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
555 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
558 ycoor = -14.5+ kspace; //2 cm over front plate
559 ycoor += (1-(upDown+1)/2)*gap;
560 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
561 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
564 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
565 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
568 ycoor = -hTof/2.+ kspace;//2 cm over front plate
575 Float_t deadRegion = 1.0;//cm
577 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
578 upDown*gap*TMath::Tan(ang)-
579 (zSenStrip/2)/TMath::Cos(ang)-
580 deadRegion/TMath::Cos(ang);
582 ang = atan(zpos/radius);
584 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
586 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
587 ycoor += (1-(upDown+1)/2)*gap;
588 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
589 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
592 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
593 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),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");
615 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
616 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
621 } while (TMath::Abs(ang*kRaddeg)<22.5);
622 //till we reach a tilting angle of 22.5 degrees
624 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
625 zpos = zpos - zSenStrip/TMath::Cos(ang);
626 // this avoid overlaps in between outer strips in plate B
627 Float_t deltaMovingUp=0.8; // [cm]
628 Float_t deltaMovingDown=-0.5; // [cm]
631 ang = atan(zpos/radius);
633 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
635 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
636 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
637 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
638 zpos = zpos - zSenStrip/TMath::Cos(ang);
640 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
641 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
645 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
649 zpos = zpos + zSenStrip/TMath::Cos(ang);
651 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
653 (zSenStrip/2)/TMath::Cos(ang);
657 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
658 ycoor= -hTof*0.5+kspace+gap+deltaGap;
662 ang = atan(zpos/radius);
664 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
666 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
667 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
670 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
671 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
674 zpos = zpos - zSenStrip/TMath::Cos(ang);
675 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
678 ////////// Layers after strips /////////////////
679 // Al Layer thickness (2.3mm) factor 0.7
681 Float_t overSpace = fOverSpc;//cm
684 par[1] = 0.115*0.7; // factor 0.7
685 par[2] = (zFLTA *0.5);
686 ycoor = -yFLT/2 + overSpace + par[1];
687 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
688 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
689 par[2] = (zFLTB *0.5);
690 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
691 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
692 par[2] = (zFLTC *0.5);
693 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
694 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
697 // plexiglass thickness: 1.5 mm ; factor 0.3
700 par[1] = 0.075*0.3; // factor 0.3
701 par[2] = (zFLTA *0.5);
703 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
704 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
705 par[2] = (zFLTB *0.5);
706 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
707 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
708 par[2] = (zFLTC *0.5);
709 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
710 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
715 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
716 par[2] = (zFLTA *0.5);
718 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
719 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
720 par[2] = (zFLTB *0.5);
721 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
722 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
723 par[2] = (zFLTC *0.5);
724 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
725 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
728 // start with cards and cooling tubes
729 // finally, cards, cooling tubes and layer for thermal dispersion
731 // card volume definition
733 // see GEOM200 in GEANT manual
734 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
740 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
741 //alu plate volume definition
744 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
747 // central module positioning (FAIA)
748 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
752 Float_t aplpos1 = -2.;
754 for (icard=0; icard<15; ++icard) {
755 cardpos[2]= cardpos[2]+stepforcardA;
756 aplpos2 = cardpos[2]+0.15;
757 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
758 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
763 // intermediate module positioning (FAIB)
764 Float_t stepforcardB= 7.05;
766 for (icard=0; icard<19; ++icard) {
767 cardpos[2]= cardpos[2]+stepforcardB;
768 aplpos2 = cardpos[2]+0.15;
769 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
770 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
774 // outer module positioning (FAIC)
775 Float_t stepforcardC= 8.45238;
777 for (icard=0; icard<20; ++icard) {
778 cardpos[2]= cardpos[2]+stepforcardC;
779 aplpos2 = cardpos[2]+0.15;
780 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
781 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
784 // tube volume definition
789 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
793 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
794 // positioning water tube into the steel one
795 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
799 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
800 // central module positioning (FAIA)
801 Float_t tubepos[3], tdis=0.6;
803 tubepos[1]= cardpos[1];
804 tubepos[2]= -53.+tdis;
807 for (itub=0; itub<15; ++itub) {
808 tubepos[2]= tubepos[2]+stepforcardA;
809 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
814 // intermediate module positioning (FAIB)
815 tubepos[2]= -70.5+tdis;
816 for (itub=0; itub<19; ++itub) {
817 tubepos[2]= tubepos[2]+stepforcardB;
818 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
822 // outer module positioning (FAIC)
823 tubepos[2]= -88.75+tdis;
824 for (itub=0; itub<20; ++itub) {
825 tubepos[2]= tubepos[2]+stepforcardC;
826 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
832 //_____________________________________________________________________________
833 void AliTOFv2::DrawModule() const
836 // Draw a shaded view of the Time Of Flight version 2
838 // Set everything unseen
839 gMC->Gsatt("*", "seen", -1);
841 // Set ALIC mother transparent
842 gMC->Gsatt("ALIC","SEEN",0);
844 // Set the volumes visible
845 gMC->Gsatt("ALIC","SEEN",0);
847 gMC->Gsatt("FTOA","SEEN",1);
848 gMC->Gsatt("FTOB","SEEN",1);
849 gMC->Gsatt("FTOC","SEEN",1);
850 gMC->Gsatt("FLTA","SEEN",1);
851 gMC->Gsatt("FLTB","SEEN",1);
852 gMC->Gsatt("FLTC","SEEN",1);
853 gMC->Gsatt("FPLA","SEEN",1);
854 gMC->Gsatt("FPLB","SEEN",1);
855 gMC->Gsatt("FPLC","SEEN",1);
856 gMC->Gsatt("FSTR","SEEN",1);
857 gMC->Gsatt("FPEA","SEEN",1);
858 gMC->Gsatt("FPEB","SEEN",1);
859 gMC->Gsatt("FPEC","SEEN",1);
861 gMC->Gsatt("FLZ1","SEEN",0);
862 gMC->Gsatt("FLZ2","SEEN",0);
863 gMC->Gsatt("FLZ3","SEEN",0);
864 gMC->Gsatt("FLX1","SEEN",0);
865 gMC->Gsatt("FLX2","SEEN",0);
866 gMC->Gsatt("FLX3","SEEN",0);
867 gMC->Gsatt("FPAD","SEEN",0);
869 gMC->Gdopt("hide", "on");
870 gMC->Gdopt("shad", "on");
871 gMC->Gsatt("*", "fill", 7);
872 gMC->SetClipBox(".");
873 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
875 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
876 gMC->Gdhead(1111, "Time Of Flight");
877 gMC->Gdman(18, 4, "MAN");
878 gMC->Gdopt("hide","off");
880 //_____________________________________________________________________________
881 void AliTOFv2::DrawDetectorModules()
884 // Draw a shaded view of the TOF detector version 2
887 AliMC* pMC = AliMC::GetMC();
889 //Set ALIC mother transparent
890 pMC->Gsatt("ALIC","SEEN",0);
893 //Set volumes visible
896 // Level 1 for TOF volumes
897 gMC->Gsatt("B077","seen",0);
900 //==========> Level 2
902 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
903 gMC->Gsatt("B071","seen",0);
904 gMC->Gsatt("B074","seen",0);
905 gMC->Gsatt("B075","seen",0);
906 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
910 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
911 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
912 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
913 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
914 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
915 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
916 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
917 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
918 gMC->Gsatt("BTO1","seen",0);
922 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
923 gMC->Gsatt("BTO2","seen",0);
926 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
927 gMC->Gsatt("BTO3","seen",0);
929 // ==================> Level 3
930 // Level 3 of B071 / Level 2 of BTO1
931 gMC->Gsatt("FTOC","seen",-2);
932 gMC->Gsatt("FTOB","seen",-2);
933 gMC->Gsatt("FTOA","seen",-2);
935 // Level 3 of B074 / Level 2 of BTO2
936 // -> cfr previous settings
938 // Level 3 of B075 / Level 2 of BTO3
939 // -> cfr previous settings
941 gMC->Gdopt("hide","on");
942 gMC->Gdopt("shad","on");
943 gMC->Gsatt("*", "fill", 5);
944 gMC->SetClipBox(".");
945 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
947 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
948 gMC->Gdhead(1111,"TOF detector V1");
949 gMC->Gdman(18, 4, "MAN");
950 gMC->Gdopt("hide","off");
953 //_____________________________________________________________________________
954 void AliTOFv2::DrawDetectorStrips()
957 // Draw a shaded view of the TOF strips for version 2
960 AliMC* pMC = AliMC::GetMC();
962 //Set ALIC mother transparent
963 pMC->Gsatt("ALIC","SEEN",0);
966 //Set volumes visible
968 // Level 1 for TOF volumes
969 gMC->Gsatt("B077","seen",0);
971 //==========> Level 2
973 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
974 gMC->Gsatt("B071","seen",0);
975 gMC->Gsatt("B074","seen",0);
976 gMC->Gsatt("B075","seen",0);
977 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
980 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
981 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
982 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
983 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
984 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
985 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
986 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
987 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
988 gMC->Gsatt("BTO1","seen",0);
990 // ==================> Level 3
991 // Level 3 of B071 / Level 2 of BTO1
992 gMC->Gsatt("FTOC","seen",0);
993 gMC->Gsatt("FTOB","seen",0);
994 gMC->Gsatt("FTOA","seen",0);
996 // Level 3 of B074 / Level 2 of BTO2
997 // -> cfr previous settings
999 // Level 3 of B075 / Level 2 of BTO3
1000 // -> cfr previous settings
1003 // ==========================> Level 4
1004 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
1005 gMC->Gsatt("FLTC","seen",0);
1006 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
1007 gMC->Gsatt("FLTB","seen",0);
1008 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
1009 gMC->Gsatt("FLTA","seen",0);
1011 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
1012 // -> cfr previous settings
1013 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
1014 // -> cfr previous settings
1016 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
1017 // -> cfr previous settings
1019 //======================================> Level 5
1020 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
1021 gMC->Gsatt("FALC","seen",0); // no children for FALC
1022 gMC->Gsatt("FSTR","seen",-2);
1023 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
1024 gMC->Gsatt("FECC","seen",0); // no children for FECC
1025 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
1026 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
1028 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
1029 gMC->Gsatt("FALB","seen",0); // no children for FALB
1030 //--> gMC->Gsatt("FSTR","seen",-2);
1033 // -> cfr previous settings
1034 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
1035 gMC->Gsatt("FECB","seen",0); // no children for FECB
1036 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
1037 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
1039 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1040 gMC->Gsatt("FALA","seen",0); // no children for FALB
1041 //--> gMC->Gsatt("FSTR","seen",-2);
1042 // -> cfr previous settings
1043 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1044 gMC->Gsatt("FECA","seen",0); // no children for FECA
1045 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1046 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1049 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1050 gMC->Gsatt("BTO2","seen",0);
1053 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1054 gMC->Gsatt("BTO3","seen",0);
1056 // for others Level 5, cfr. previous settings
1058 gMC->Gdopt("hide","on");
1059 gMC->Gdopt("shad","on");
1060 gMC->Gsatt("*", "fill", 5);
1061 gMC->SetClipBox(".");
1062 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1063 gMC->DefaultRange();
1064 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1065 gMC->Gdhead(1111,"TOF Strips V1");
1066 gMC->Gdman(18, 4, "MAN");
1067 gMC->Gdopt("hide","off");
1070 //_____________________________________________________________________________
1071 void AliTOFv2::CreateMaterials()
1074 // Define materials for the Time Of Flight
1076 AliTOF::CreateMaterials();
1079 //_____________________________________________________________________________
1080 void AliTOFv2::Init()
1083 // Initialise the detector after the geometry has been defined
1086 printf("%s: **************************************"
1088 "**************************************\n",ClassName());
1089 printf("\n%s: Version 2 of TOF initialing, "
1090 "TOF with holes for PHOS and RICH \n",ClassName());
1095 fIdFTOA = gMC->VolId("FTOA");
1096 fIdFTOB = gMC->VolId("FTOB");
1097 fIdFTOC = gMC->VolId("FTOC");
1098 fIdFLTA = gMC->VolId("FLTA");
1099 fIdFLTB = gMC->VolId("FLTB");
1100 fIdFLTC = gMC->VolId("FLTC");
1103 printf("%s: **************************************"
1105 "**************************************\n",ClassName());
1109 //_____________________________________________________________________________
1110 void AliTOFv2::StepManager()
1113 // Procedure called at each step in the Time Of Flight
1115 TLorentzVector mom, pos;
1116 Float_t xm[3],pm[3],xpad[3],ppad[3];
1117 Float_t hits[13],phi,phid,z;
1119 Int_t sector, plate, padx, padz, strip;
1120 Int_t copy, padzid, padxid, stripid, i;
1121 Int_t *idtmed = fIdtmed->GetArray()-499;
1122 Float_t incidenceAngle;
1124 if(gMC->GetMedium()==idtmed[513] &&
1125 gMC->IsTrackEntering() && gMC->TrackCharge()
1126 && gMC->CurrentVolID(copy)==fIdSens)
1128 // getting information about hit volumes
1130 padzid=gMC->CurrentVolOffID(2,copy);
1133 padxid=gMC->CurrentVolOffID(1,copy);
1136 stripid=gMC->CurrentVolOffID(4,copy);
1139 gMC->TrackPosition(pos);
1140 gMC->TrackMomentum(mom);
1142 // Double_t NormPos=1./pos.Rho();
1143 Double_t normMom=1./mom.Rho();
1145 // getting the cohordinates in pad ref system
1146 xm[0] = (Float_t)pos.X();
1147 xm[1] = (Float_t)pos.Y();
1148 xm[2] = (Float_t)pos.Z();
1150 pm[0] = (Float_t)mom.X()*normMom;
1151 pm[1] = (Float_t)mom.Y()*normMom;
1152 pm[2] = (Float_t)mom.Z()*normMom;
1154 gMC->Gmtod(xm,xpad,1);
1155 gMC->Gmtod(pm,ppad,2);
1157 if (ppad[1] > 1.) ppad[1]=1;
1158 if (ppad[1] < -1.) ppad[1]=-1;
1159 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1164 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1165 if (z < (fZlenA*0.5+fZlenB) &&
1166 z > fZlenA*0.5) plate = 4;
1167 if (z >-(fZlenA*0.5+fZlenB) &&
1168 z < -fZlenA*0.5) plate = 2;
1169 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1170 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1173 phid = phi*kRaddeg+180.;
1174 sector = Int_t (phid/20.);
1182 hits[6] = mom.Rho();
1187 hits[11]= incidenceAngle;
1188 hits[12]= gMC->Edep();
1196 AddHit(gAlice->CurrentTrack(),vol, hits);