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 1.22 2001/09/20 15:54:22 vicinanz
19 Updated Strip Structure (Double Stack)
21 Revision 1.21 2001/08/28 08:45:59 vicinanz
22 TTask and TFolder structures implemented
24 Revision 1.20 2001/05/16 14:57:24 alibrary
25 New files for folders and Stack
27 Revision 1.19 2001/05/04 10:09:48 vicinanz
28 Major upgrades to the strip structure
30 Revision 1.18 2000/12/04 08:48:20 alibrary
31 Fixing problems in the HEAD
33 Revision 1.17 2000/10/02 21:28:17 fca
34 Removal of useless dependecies via forward declarations
36 Revision 1.16 2000/05/10 16:52:18 vicinanz
37 New TOF version with holes for PHOS/RICH
39 Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
40 New version with Holes for PHOS/RICH
42 Revision 1.14 1999/11/05 22:39:06 fca
45 Revision 1.13 1999/11/02 11:26:39 fca
46 added stdlib.h for exit
48 Revision 1.12 1999/11/01 20:41:57 fca
49 Added protections against using the wrong version of FRAME
51 Revision 1.11 1999/10/22 08:04:14 fca
52 Correct improper use of negative parameters
54 Revision 1.10 1999/10/16 19:30:06 fca
55 Corrected Rotation Matrix and CVS log
57 Revision 1.9 1999/10/15 15:35:20 fca
58 New version for frame1099 with and without holes
60 Revision 1.8 1999/09/29 09:24:33 fca
61 Introduction of the Copyright and cvs Log
65 ///////////////////////////////////////////////////////////////////////////////
67 // Time Of Flight: design of C.Williams
69 // This class contains the functions for version 2 of the Time Of Flight //
72 // VERSION WITH 5 MODULES AND TILTED STRIPS
74 // HOLES FOR PHOS AND RICH DETECTOR
81 // University of Salerno - Italy
84 // University of Bologna - Italy
89 <img src="picts/AliTOFv2Class.gif">
93 ///////////////////////////////////////////////////////////////////////////////
100 #include "TGeometry.h"
102 #include <TLorentzVector.h>
107 #include "AliConst.h"
112 //_____________________________________________________________________________
116 // Default constructor
120 //_____________________________________________________________________________
121 AliTOFv2::AliTOFv2(const char *name, const char *title)
125 // Standard constructor
128 // Check that FRAME is there otherwise we have no place where to
130 AliModule* frame=gAlice->GetModule("FRAME");
132 Error("Ctor","TOF needs FRAME to be present\n");
135 if(frame->IsVersion()!=1) {
136 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
142 //____________________________________________________________________________
144 void AliTOFv2::BuildGeometry()
147 // Build TOF ROOT geometry for the ALICE event display
150 const int kColorTOF = 27;
153 top = gAlice->GetGeometry()->GetNode("alice");
155 // Position the different copies
156 const Float_t krTof =(fRmax+fRmin)/2;
157 const Float_t khTof = fRmax-fRmin;
158 const Int_t kNTof = fNTof;
159 const Float_t kPi = TMath::Pi();
160 const Float_t kangle = 2*kPi/kNTof;
163 // Define TOF basic volume
165 char nodeName0[6], nodeName1[6], nodeName2[6];
166 char nodeName3[6], nodeName4[6], rotMatNum[6];
168 new TBRIK("S_TOF_C","TOF box","void",
169 120*0.5,khTof*0.5,fZlenC*0.5);
170 new TBRIK("S_TOF_B","TOF box","void",
171 120*0.5,khTof*0.5,fZlenB*0.5);
172 new TBRIK("S_TOF_A","TOF box","void",
173 120*0.5,khTof*0.5,fZlenA*0.5);
175 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
178 sprintf(rotMatNum,"rot50%i",nodeNum);
179 sprintf(nodeName0,"FTO00%i",nodeNum);
180 sprintf(nodeName1,"FTO10%i",nodeNum);
181 sprintf(nodeName2,"FTO20%i",nodeNum);
182 sprintf(nodeName3,"FTO30%i",nodeNum);
183 sprintf(nodeName4,"FTO40%i",nodeNum);
186 sprintf(rotMatNum,"rot5%i",nodeNum);
187 sprintf(nodeName0,"FTO0%i",nodeNum);
188 sprintf(nodeName1,"FTO1%i",nodeNum);
189 sprintf(nodeName2,"FTO2%i",nodeNum);
190 sprintf(nodeName3,"FTO3%i",nodeNum);
191 sprintf(nodeName4,"FTO4%i",nodeNum);
194 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
195 ang = (4.5-nodeNum) * kangle;
198 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
199 node->SetLineColor(kColorTOF);
203 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
204 node->SetLineColor(kColorTOF);
206 if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
209 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
210 node->SetLineColor(kColorTOF);
214 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
215 node->SetLineColor(kColorTOF);
217 } // Holes for RICH detector
219 if ((nodeNum<8 || nodeNum>12) && nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
222 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
223 node->SetLineColor(kColorTOF);
225 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
226 } // end loop on nodeNum
230 //_____________________________________________________________________________
231 void AliTOFv2::CreateGeometry()
234 // Create geometry for Time Of Flight version 0
238 <img src="picts/AliTOFv2.gif">
242 // Creates common geometry
244 AliTOF::CreateGeometry();
247 //_____________________________________________________________________________
248 void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
249 Float_t zlenB, Float_t zlenA, Float_t ztof0)
252 // Definition of the Time Of Fligh Resistive Plate Chambers
253 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
255 Float_t ycoor, zcoor;
257 Int_t *idtmed = fIdtmed->GetArray()-499;
260 Float_t hTof = fRmax-fRmin;
262 Float_t radius = fRmin+2.;//cm
266 par[2] = zlenC * 0.5;
267 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
268 par[2] = zlenB * 0.5;
269 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
270 par[2] = zlenA * 0.5;
271 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
274 // Positioning of modules
276 Float_t zcor1 = ztof0 - zlenC*0.5;
277 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
280 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
281 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
282 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
283 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
284 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
285 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
286 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
287 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
289 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
290 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
291 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
292 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
294 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
296 Float_t db = 0.5;//cm
297 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
305 xFST = xFLT-fDeadBndX*2;//cm
307 // Sizes of MRPC pads
309 Float_t yPad = 0.505;//cm
311 // Large not sensitive volumes with Insensitive Freon
317 <<": ************************* TOF geometry **************************"
320 par[2] = (zFLTA *0.5);
321 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
322 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
324 par[2] = (zFLTB * 0.5);
325 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
326 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
328 par[2] = (zFLTC * 0.5);
329 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
330 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
332 ////////// Layers of Aluminum before and after detector //////////
333 ////////// Aluminum Box for Modules (2.0 mm thickness) /////////
334 ////////// lateral walls not simulated
337 ycoor = -yFLT/2 + par[1];
338 par[2] = (zFLTA *0.5);
339 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
340 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
341 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
342 par[2] = (zFLTB *0.5);
343 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
344 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
345 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
346 par[2] = (zFLTC *0.5);
347 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
348 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
349 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
351 ///////////////// Detector itself //////////////////////
353 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
354 //and the boundary of the strip
355 const Int_t knx = fNpadX; // number of pads along x
356 const Int_t knz = fNpadZ; // number of pads along z
357 const Float_t kspace = fSpace; //cm distance from the front plate of the box
359 Float_t zSenStrip = fZpad*fNpadZ;//cm
360 Float_t stripWidth = zSenStrip + 2*kdeadBound;
364 par[2] = stripWidth*0.5;
366 // new description for strip volume -double stack strip-
367 // -- all constants are expressed in cm
368 // heigth of different layers
369 const Float_t khhony = 1. ; // heigth of HONY Layer
370 const Float_t khpcby = 0.15 ; // heigth of PCB Layer
371 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
372 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
373 const Float_t khglasseiy = 0.17; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
374 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
375 const Float_t kwsensmz = 2*3.5 ; // cm
376 const Float_t klsensmx = 48*2.5; // cm
377 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
378 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
380 // heigth of the FSTR Volume (the strip volume)
381 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
382 // width of the FSTR Volume (the strip volume)
383 const Float_t kwstripz = 10.;
384 // length of the FSTR Volume (the strip volume)
385 const Float_t klstripx = 122.;
387 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
388 // coordinates of the strip center in the strip reference frame; used for positioning
389 // internal strip volumes
390 Float_t posfp[3]={0.,0.,0.};
393 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
394 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
395 //-- HONY Layer definition
397 parfp[1] = khhony*0.5;
399 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
400 // positioning 2 HONY Layers on FSTR volume
402 posfp[1]=-khstripy*0.5+parfp[1];
403 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
404 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
406 //-- PCB Layer definition
407 parfp[1] = khpcby*0.5;
408 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
409 // positioning 2 PCB Layers on FSTR volume
410 posfp[1]=-khstripy*0.5+khhony+parfp[1];
411 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
412 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
413 // positioning the central PCB layer
414 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
418 //-- MYLAR Layer definition
419 parfp[1] = khmyly*0.5;
420 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
421 // positioning 2 MYLAR Layers on FSTR volume
422 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
423 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
424 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
425 // adding further 2 MYLAR Layers on FSTR volume
426 posfp[1] = khpcby*0.5+parfp[1];
427 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
428 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
431 //-- Graphite Layer definition
432 parfp[1] = khgraphy*0.5;
433 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
434 // positioning 2 Graphite Layers on FSTR volume
435 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
436 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
437 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
438 // adding further 2 Graphite Layers on FSTR volume
439 posfp[1] = khpcby*0.5+khmyly+parfp[1];
440 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
441 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
444 //-- Glass (EXT. +Semi INT.) Layer definition
445 parfp[1] = khglasseiy*0.5;
446 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
447 // positioning 2 Glass Layers on FSTR volume
448 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
449 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
450 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
451 // adding further 2 Glass Layers on FSTR volume
452 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
453 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
454 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
457 //-- Sensitive Mixture Layer definition
458 parfp[0] = klsensmx*0.5;
459 parfp[1] = khsensmy*0.5;
460 parfp[2] = kwsensmz*0.5;
461 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
462 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
463 // positioning 2 gas Layers on FSTR volume
464 // the upper is insensitive freon
465 // while the remaining is sensitive
466 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
467 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
468 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
470 // dividing FSEN along z in knz=2 and along x in knx=48
471 gMC->Gsdvn("FSEZ","FSEN",knz,3);
472 gMC->Gsdvn("FSEX","FSEZ",knx,1);
474 // FPAD volume definition
475 parfp[0] = klpadx*0.5;
476 parfp[1] = khsensmy*0.5;
477 parfp[2] = kwpadz*0.5;
478 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
479 // positioning the FPAD volumes on previous divisions
480 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
482 //// Positioning the Strips (FSTR) in the FLT volumes /////
486 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
488 Float_t gap = fGapA; //cm distance between the strip axis
494 ycoor = -14.5 + kspace ; //2 cm over front plate
496 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
497 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
500 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
501 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
506 Int_t upDown = -1; // upDown=-1 -> Upper strip
507 // upDown=+1 -> Lower strip
509 ang = atan(zcoor/radius);
511 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
512 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
514 ycoor = -14.5+ kspace; //2 cm over front plate
515 ycoor += (1-(upDown+1)/2)*gap;
516 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
517 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
520 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
521 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
525 upDown*= -1; // Alternate strips
526 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
527 upDown*gap*TMath::Tan(ang)-
528 (zSenStrip/2)/TMath::Cos(ang);
529 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
531 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
532 upDown*gap*TMath::Tan(ang)+
533 (zSenStrip/2)/TMath::Cos(ang);
536 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
537 upDown*gap*TMath::Tan(ang)-
538 (zSenStrip/2)/TMath::Cos(ang);
540 ang = atan(zcoor/radius);
542 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
543 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
546 ycoor = -14.5+ kspace; //2 cm over front plate
547 ycoor += (1-(upDown+1)/2)*gap;
548 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
549 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
552 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
553 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
556 ycoor = -hTof/2.+ kspace;//2 cm over front plate
563 Float_t deadRegion = 1.0;//cm
565 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
566 upDown*gap*TMath::Tan(ang)-
567 (zSenStrip/2)/TMath::Cos(ang)-
568 deadRegion/TMath::Cos(ang);
570 ang = atan(zpos/radius);
572 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
574 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
575 ycoor += (1-(upDown+1)/2)*gap;
576 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
577 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
580 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
581 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
588 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
589 upDown*gap*TMath::Tan(ang)-
590 (zSenStrip/2)/TMath::Cos(ang);
591 ang = atan(zpos/radius);
593 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
595 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
596 ycoor += (1-(upDown+1)/2)*gap;
597 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
598 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
601 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
602 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
607 } while (TMath::Abs(ang*kRaddeg)<22.5);
608 //till we reach a tilting angle of 22.5 degrees
610 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
611 zpos = zpos - zSenStrip/TMath::Cos(ang);
614 ang = atan(zpos/radius);
616 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
618 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
619 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
620 zpos = zpos - zSenStrip/TMath::Cos(ang);
622 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
623 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
627 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
631 zpos = zpos + zSenStrip/TMath::Cos(ang);
633 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
635 (zSenStrip/2)/TMath::Cos(ang);
639 ycoor= -hTof*0.5+kspace+gap;
643 ang = atan(zpos/radius);
645 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
647 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
648 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
651 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
652 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
655 zpos = zpos - zSenStrip/TMath::Cos(ang);
656 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
659 ////////// Layers after strips /////////////////
660 // honeycomb (Polyethilene) Layer after (1.2cm)
662 Float_t overSpace = fOverSpc;//cm
666 par[2] = (zFLTA *0.5);
667 ycoor = -yFLT/2 + overSpace + par[1];
668 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
669 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
670 par[2] = (zFLTB *0.5);
671 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
672 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
673 par[2] = (zFLTC *0.5);
674 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
675 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
677 // Electronics (Cu) after
680 par[1] = 1.43*0.05*0.5; // 5% of X0
681 par[2] = (zFLTA *0.5);
683 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
684 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
685 par[2] = (zFLTB *0.5);
686 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
687 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
688 par[2] = (zFLTC *0.5);
689 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
690 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
692 // cooling WAter after
695 par[1] = 36.1*0.02*0.5; // 2% of X0
696 par[2] = (zFLTA *0.5);
698 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
699 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
700 par[2] = (zFLTB *0.5);
701 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
702 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
703 par[2] = (zFLTC *0.5);
704 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
705 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
710 par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
711 par[2] = (zFLTA *0.5);
713 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
714 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
715 par[2] = (zFLTB *0.5);
716 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
717 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
718 par[2] = (zFLTC *0.5);
719 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
720 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
722 //Back Plate honycomb (2cm)
726 ycoor = yFLT/2 - par[1];
727 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
728 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
729 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
730 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
731 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
732 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
736 //_____________________________________________________________________________
737 void AliTOFv2::DrawModule() const
740 // Draw a shaded view of the Time Of Flight version 2
742 // Set everything unseen
743 gMC->Gsatt("*", "seen", -1);
745 // Set ALIC mother transparent
746 gMC->Gsatt("ALIC","SEEN",0);
748 // Set the volumes visible
749 gMC->Gsatt("ALIC","SEEN",0);
751 gMC->Gsatt("FTOA","SEEN",1);
752 gMC->Gsatt("FTOB","SEEN",1);
753 gMC->Gsatt("FTOC","SEEN",1);
754 gMC->Gsatt("FLTA","SEEN",1);
755 gMC->Gsatt("FLTB","SEEN",1);
756 gMC->Gsatt("FLTC","SEEN",1);
757 gMC->Gsatt("FPLA","SEEN",1);
758 gMC->Gsatt("FPLB","SEEN",1);
759 gMC->Gsatt("FPLC","SEEN",1);
760 gMC->Gsatt("FSTR","SEEN",1);
761 gMC->Gsatt("FPEA","SEEN",1);
762 gMC->Gsatt("FPEB","SEEN",1);
763 gMC->Gsatt("FPEC","SEEN",1);
765 gMC->Gsatt("FLZ1","SEEN",0);
766 gMC->Gsatt("FLZ2","SEEN",0);
767 gMC->Gsatt("FLZ3","SEEN",0);
768 gMC->Gsatt("FLX1","SEEN",0);
769 gMC->Gsatt("FLX2","SEEN",0);
770 gMC->Gsatt("FLX3","SEEN",0);
771 gMC->Gsatt("FPAD","SEEN",0);
773 gMC->Gdopt("hide", "on");
774 gMC->Gdopt("shad", "on");
775 gMC->Gsatt("*", "fill", 7);
776 gMC->SetClipBox(".");
777 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
779 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
780 gMC->Gdhead(1111, "Time Of Flight");
781 gMC->Gdman(18, 4, "MAN");
782 gMC->Gdopt("hide","off");
784 //_____________________________________________________________________________
785 void AliTOFv2::DrawDetectorModules()
788 // Draw a shaded view of the TOF detector version 2
791 AliMC* pMC = AliMC::GetMC();
793 //Set ALIC mother transparent
794 pMC->Gsatt("ALIC","SEEN",0);
797 //Set volumes visible
800 // Level 1 for TOF volumes
801 gMC->Gsatt("B077","seen",0);
804 //==========> Level 2
806 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
807 gMC->Gsatt("B071","seen",0);
808 gMC->Gsatt("B074","seen",0);
809 gMC->Gsatt("B075","seen",0);
810 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
814 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
815 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
816 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
817 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
818 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
819 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
820 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
821 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
822 gMC->Gsatt("BTO1","seen",0);
826 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
827 gMC->Gsatt("BTO2","seen",0);
830 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
831 gMC->Gsatt("BTO3","seen",0);
833 // ==================> Level 3
834 // Level 3 of B071 / Level 2 of BTO1
835 gMC->Gsatt("FTOC","seen",-2);
836 gMC->Gsatt("FTOB","seen",-2);
837 gMC->Gsatt("FTOA","seen",-2);
839 // Level 3 of B074 / Level 2 of BTO2
840 // -> cfr previous settings
842 // Level 3 of B075 / Level 2 of BTO3
843 // -> cfr previous settings
845 gMC->Gdopt("hide","on");
846 gMC->Gdopt("shad","on");
847 gMC->Gsatt("*", "fill", 5);
848 gMC->SetClipBox(".");
849 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
851 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
852 gMC->Gdhead(1111,"TOF detector V1");
853 gMC->Gdman(18, 4, "MAN");
854 gMC->Gdopt("hide","off");
857 //_____________________________________________________________________________
858 void AliTOFv2::DrawDetectorStrips()
861 // Draw a shaded view of the TOF strips for version 2
864 AliMC* pMC = AliMC::GetMC();
866 //Set ALIC mother transparent
867 pMC->Gsatt("ALIC","SEEN",0);
870 //Set volumes visible
872 // Level 1 for TOF volumes
873 gMC->Gsatt("B077","seen",0);
875 //==========> Level 2
877 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
878 gMC->Gsatt("B071","seen",0);
879 gMC->Gsatt("B074","seen",0);
880 gMC->Gsatt("B075","seen",0);
881 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
884 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
885 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
886 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
887 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
888 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
889 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
890 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
891 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
892 gMC->Gsatt("BTO1","seen",0);
894 // ==================> Level 3
895 // Level 3 of B071 / Level 2 of BTO1
896 gMC->Gsatt("FTOC","seen",0);
897 gMC->Gsatt("FTOB","seen",0);
898 gMC->Gsatt("FTOA","seen",0);
900 // Level 3 of B074 / Level 2 of BTO2
901 // -> cfr previous settings
903 // Level 3 of B075 / Level 2 of BTO3
904 // -> cfr previous settings
907 // ==========================> Level 4
908 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
909 gMC->Gsatt("FLTC","seen",0);
910 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
911 gMC->Gsatt("FLTB","seen",0);
912 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
913 gMC->Gsatt("FLTA","seen",0);
915 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
916 // -> cfr previous settings
917 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
918 // -> cfr previous settings
920 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
921 // -> cfr previous settings
923 //======================================> Level 5
924 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
925 gMC->Gsatt("FALC","seen",0); // no children for FALC
926 gMC->Gsatt("FSTR","seen",-2);
927 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
928 gMC->Gsatt("FECC","seen",0); // no children for FECC
929 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
930 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
932 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
933 gMC->Gsatt("FALB","seen",0); // no children for FALB
934 //--> gMC->Gsatt("FSTR","seen",-2);
937 // -> cfr previous settings
938 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
939 gMC->Gsatt("FECB","seen",0); // no children for FECB
940 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
941 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
943 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
944 gMC->Gsatt("FALA","seen",0); // no children for FALB
945 //--> gMC->Gsatt("FSTR","seen",-2);
946 // -> cfr previous settings
947 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
948 gMC->Gsatt("FECA","seen",0); // no children for FECA
949 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
950 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
953 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
954 gMC->Gsatt("BTO2","seen",0);
957 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
958 gMC->Gsatt("BTO3","seen",0);
960 // for others Level 5, cfr. previous settings
962 gMC->Gdopt("hide","on");
963 gMC->Gdopt("shad","on");
964 gMC->Gsatt("*", "fill", 5);
965 gMC->SetClipBox(".");
966 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
968 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
969 gMC->Gdhead(1111,"TOF Strips V1");
970 gMC->Gdman(18, 4, "MAN");
971 gMC->Gdopt("hide","off");
974 //_____________________________________________________________________________
975 void AliTOFv2::CreateMaterials()
978 // Define materials for the Time Of Flight
980 AliTOF::CreateMaterials();
983 //_____________________________________________________________________________
984 void AliTOFv2::Init()
987 // Initialise the detector after the geometry has been defined
990 printf("%s: **************************************"
992 "**************************************\n",ClassName());
993 printf("\n%s: Version 2 of TOF initialing, "
994 "TOF with holes for PHOS and RICH \n",ClassName());
999 fIdFTOA = gMC->VolId("FTOA");
1000 fIdFTOB = gMC->VolId("FTOB");
1001 fIdFTOC = gMC->VolId("FTOC");
1002 fIdFLTA = gMC->VolId("FLTA");
1003 fIdFLTB = gMC->VolId("FLTB");
1004 fIdFLTC = gMC->VolId("FLTC");
1007 printf("%s: **************************************"
1009 "**************************************\n",ClassName());
1013 //_____________________________________________________________________________
1014 void AliTOFv2::StepManager()
1017 // Procedure called at each step in the Time Of Flight
1019 TLorentzVector mom, pos;
1020 Float_t xm[3],pm[3],xpad[3],ppad[3];
1021 Float_t hits[13],phi,phid,z;
1023 Int_t sector, plate, padx, padz, strip;
1024 Int_t copy, padzid, padxid, stripid, i;
1025 Int_t *idtmed = fIdtmed->GetArray()-499;
1026 Float_t incidenceAngle;
1028 if(gMC->GetMedium()==idtmed[513] &&
1029 gMC->IsTrackEntering() && gMC->TrackCharge()
1030 && gMC->CurrentVolID(copy)==fIdSens)
1032 // getting information about hit volumes
1034 padzid=gMC->CurrentVolOffID(2,copy);
1037 padxid=gMC->CurrentVolOffID(1,copy);
1040 stripid=gMC->CurrentVolOffID(4,copy);
1043 gMC->TrackPosition(pos);
1044 gMC->TrackMomentum(mom);
1046 // Double_t NormPos=1./pos.Rho();
1047 Double_t normMom=1./mom.Rho();
1049 // getting the cohordinates in pad ref system
1050 xm[0] = (Float_t)pos.X();
1051 xm[1] = (Float_t)pos.Y();
1052 xm[2] = (Float_t)pos.Z();
1054 pm[0] = (Float_t)mom.X()*normMom;
1055 pm[1] = (Float_t)mom.Y()*normMom;
1056 pm[2] = (Float_t)mom.Z()*normMom;
1058 gMC->Gmtod(xm,xpad,1);
1059 gMC->Gmtod(pm,ppad,2);
1061 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1066 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1067 if (z < (fZlenA*0.5+fZlenB) &&
1068 z > fZlenA*0.5) plate = 4;
1069 if (z >-(fZlenA*0.5+fZlenB) &&
1070 z < -fZlenA*0.5) plate = 2;
1071 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1072 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1075 phid = phi*kRaddeg+180.;
1076 sector = Int_t (phid/20.);
1084 hits[6] = mom.Rho();
1089 hits[11]= incidenceAngle;
1090 hits[12]= gMC->Edep();
1098 AddHit(gAlice->CurrentTrack(),vol, hits);