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 1.23 2001/09/27 10:39:20 vicinanz
19 SDigitizer and Merger added
21 Revision 1.22 2001/09/20 15:54:22 vicinanz
22 Updated Strip Structure (Double Stack)
24 Revision 1.21 2001/08/28 08:45:59 vicinanz
25 TTask and TFolder structures implemented
27 Revision 1.20 2001/05/16 14:57:24 alibrary
28 New files for folders and Stack
30 Revision 1.19 2001/05/04 10:09:48 vicinanz
31 Major upgrades to the strip structure
33 Revision 1.18 2000/12/04 08:48:20 alibrary
34 Fixing problems in the HEAD
36 Revision 1.17 2000/10/02 21:28:17 fca
37 Removal of useless dependecies via forward declarations
39 Revision 1.16 2000/05/10 16:52:18 vicinanz
40 New TOF version with holes for PHOS/RICH
42 Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
43 New version with Holes for PHOS/RICH
45 Revision 1.14 1999/11/05 22:39:06 fca
48 Revision 1.13 1999/11/02 11:26:39 fca
49 added stdlib.h for exit
51 Revision 1.12 1999/11/01 20:41:57 fca
52 Added protections against using the wrong version of FRAME
54 Revision 1.11 1999/10/22 08:04:14 fca
55 Correct improper use of negative parameters
57 Revision 1.10 1999/10/16 19:30:06 fca
58 Corrected Rotation Matrix and CVS log
60 Revision 1.9 1999/10/15 15:35:20 fca
61 New version for frame1099 with and without holes
63 Revision 1.8 1999/09/29 09:24:33 fca
64 Introduction of the Copyright and cvs Log
68 ///////////////////////////////////////////////////////////////////////////////
70 // Time Of Flight: design of C.Williams
72 // This class contains the functions for version 2 of the Time Of Flight //
75 // VERSION WITH 5 MODULES AND TILTED STRIPS
77 // HOLES FOR PHOS AND RICH DETECTOR
84 // University of Salerno - Italy
87 // University of Bologna - Italy
92 <img src="picts/AliTOFv2Class.gif">
96 ///////////////////////////////////////////////////////////////////////////////
101 #include "AliTOFv2.h"
103 #include "TGeometry.h"
105 #include <TLorentzVector.h>
110 #include "AliConst.h"
115 //_____________________________________________________________________________
119 // Default constructor
123 //_____________________________________________________________________________
124 AliTOFv2::AliTOFv2(const char *name, const char *title)
128 // Standard constructor
131 // Check that FRAME is there otherwise we have no place where to
133 AliModule* frame=gAlice->GetModule("FRAME");
135 Error("Ctor","TOF needs FRAME to be present\n");
138 if(frame->IsVersion()!=1) {
139 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
145 //____________________________________________________________________________
147 void AliTOFv2::BuildGeometry()
150 // Build TOF ROOT geometry for the ALICE event display
153 const int kColorTOF = 27;
156 top = gAlice->GetGeometry()->GetNode("alice");
158 // Position the different copies
159 const Float_t krTof =(fRmax+fRmin)/2;
160 const Float_t khTof = fRmax-fRmin;
161 const Int_t kNTof = fNTof;
162 const Float_t kPi = TMath::Pi();
163 const Float_t kangle = 2*kPi/kNTof;
166 // Define TOF basic volume
168 char nodeName0[6], nodeName1[6], nodeName2[6];
169 char nodeName3[6], nodeName4[6], rotMatNum[6];
171 new TBRIK("S_TOF_C","TOF box","void",
172 120*0.5,khTof*0.5,fZlenC*0.5);
173 new TBRIK("S_TOF_B","TOF box","void",
174 120*0.5,khTof*0.5,fZlenB*0.5);
175 new TBRIK("S_TOF_A","TOF box","void",
176 120*0.5,khTof*0.5,fZlenA*0.5);
178 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
181 sprintf(rotMatNum,"rot50%i",nodeNum);
182 sprintf(nodeName0,"FTO00%i",nodeNum);
183 sprintf(nodeName1,"FTO10%i",nodeNum);
184 sprintf(nodeName2,"FTO20%i",nodeNum);
185 sprintf(nodeName3,"FTO30%i",nodeNum);
186 sprintf(nodeName4,"FTO40%i",nodeNum);
189 sprintf(rotMatNum,"rot5%i",nodeNum);
190 sprintf(nodeName0,"FTO0%i",nodeNum);
191 sprintf(nodeName1,"FTO1%i",nodeNum);
192 sprintf(nodeName2,"FTO2%i",nodeNum);
193 sprintf(nodeName3,"FTO3%i",nodeNum);
194 sprintf(nodeName4,"FTO4%i",nodeNum);
197 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
198 ang = (4.5-nodeNum) * kangle;
201 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
202 node->SetLineColor(kColorTOF);
206 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
207 node->SetLineColor(kColorTOF);
209 if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
212 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
213 node->SetLineColor(kColorTOF);
217 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
218 node->SetLineColor(kColorTOF);
220 } // Holes for RICH detector
222 if ((nodeNum<8 || nodeNum>12) && nodeNum !=1 && nodeNum!=2 && nodeNum !=18)
225 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
226 node->SetLineColor(kColorTOF);
228 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
229 } // end loop on nodeNum
233 //_____________________________________________________________________________
234 void AliTOFv2::CreateGeometry()
237 // Create geometry for Time Of Flight version 0
241 <img src="picts/AliTOFv2.gif">
245 // Creates common geometry
247 AliTOF::CreateGeometry();
250 //_____________________________________________________________________________
251 void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
252 Float_t zlenB, Float_t zlenA, Float_t ztof0)
255 // Definition of the Time Of Fligh Resistive Plate Chambers
256 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
258 Float_t ycoor, zcoor;
260 Int_t *idtmed = fIdtmed->GetArray()-499;
263 Float_t hTof = fRmax-fRmin;
265 Float_t radius = fRmin+2.;//cm
269 par[2] = zlenC * 0.5;
270 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
271 par[2] = zlenB * 0.5;
272 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
273 par[2] = zlenA * 0.5;
274 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
277 // Positioning of modules
279 Float_t zcor1 = ztof0 - zlenC*0.5;
280 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
283 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
284 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
285 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
286 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
287 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
288 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
289 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
290 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
292 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
293 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
294 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
295 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
297 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
299 Float_t db = 0.5;//cm
300 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
308 xFST = xFLT-fDeadBndX*2;//cm
310 // Sizes of MRPC pads
312 Float_t yPad = 0.505;//cm
314 // Large not sensitive volumes with Insensitive Freon
320 <<": ************************* TOF geometry **************************"
323 par[2] = (zFLTA *0.5);
324 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
325 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
327 par[2] = (zFLTB * 0.5);
328 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
329 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
331 par[2] = (zFLTC * 0.5);
332 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
333 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
335 ////////// Layers of Aluminum before and after detector //////////
336 ////////// Aluminum Box for Modules (2.0 mm thickness) /////////
337 ////////// lateral walls not simulated
340 ycoor = -yFLT/2 + par[1];
341 par[2] = (zFLTA *0.5);
342 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
343 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
344 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
345 par[2] = (zFLTB *0.5);
346 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
347 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
348 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
349 par[2] = (zFLTC *0.5);
350 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
351 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
352 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
354 ///////////////// Detector itself //////////////////////
356 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
357 //and the boundary of the strip
358 const Int_t knx = fNpadX; // number of pads along x
359 const Int_t knz = fNpadZ; // number of pads along z
360 const Float_t kspace = fSpace; //cm distance from the front plate of the box
362 Float_t zSenStrip = fZpad*fNpadZ;//cm
363 Float_t stripWidth = zSenStrip + 2*kdeadBound;
367 par[2] = stripWidth*0.5;
369 // new description for strip volume -double stack strip-
370 // -- all constants are expressed in cm
371 // heigth of different layers
372 const Float_t khhony = 1. ; // heigth of HONY Layer
373 const Float_t khpcby = 0.15 ; // heigth of PCB Layer
374 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
375 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
376 const Float_t khglasseiy = 0.17; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
377 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
378 const Float_t kwsensmz = 2*3.5 ; // cm
379 const Float_t klsensmx = 48*2.5; // cm
380 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
381 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
383 // heigth of the FSTR Volume (the strip volume)
384 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
385 // width of the FSTR Volume (the strip volume)
386 const Float_t kwstripz = 10.;
387 // length of the FSTR Volume (the strip volume)
388 const Float_t klstripx = 122.;
390 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
391 // coordinates of the strip center in the strip reference frame; used for positioning
392 // internal strip volumes
393 Float_t posfp[3]={0.,0.,0.};
396 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
397 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
398 //-- HONY Layer definition
400 parfp[1] = khhony*0.5;
402 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
403 // positioning 2 HONY Layers on FSTR volume
405 posfp[1]=-khstripy*0.5+parfp[1];
406 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
407 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
409 //-- PCB Layer definition
410 parfp[1] = khpcby*0.5;
411 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
412 // positioning 2 PCB Layers on FSTR volume
413 posfp[1]=-khstripy*0.5+khhony+parfp[1];
414 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
415 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
416 // positioning the central PCB layer
417 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
421 //-- MYLAR Layer definition
422 parfp[1] = khmyly*0.5;
423 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
424 // positioning 2 MYLAR Layers on FSTR volume
425 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
426 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
427 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
428 // adding further 2 MYLAR Layers on FSTR volume
429 posfp[1] = khpcby*0.5+parfp[1];
430 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
431 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
434 //-- Graphite Layer definition
435 parfp[1] = khgraphy*0.5;
436 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
437 // positioning 2 Graphite Layers on FSTR volume
438 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
439 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
440 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
441 // adding further 2 Graphite Layers on FSTR volume
442 posfp[1] = khpcby*0.5+khmyly+parfp[1];
443 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
444 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
447 //-- Glass (EXT. +Semi INT.) Layer definition
448 parfp[1] = khglasseiy*0.5;
449 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
450 // positioning 2 Glass Layers on FSTR volume
451 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
452 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
453 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
454 // adding further 2 Glass Layers on FSTR volume
455 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
456 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
457 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
460 //-- Sensitive Mixture Layer definition
461 parfp[0] = klsensmx*0.5;
462 parfp[1] = khsensmy*0.5;
463 parfp[2] = kwsensmz*0.5;
464 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
465 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
466 // positioning 2 gas Layers on FSTR volume
467 // the upper is insensitive freon
468 // while the remaining is sensitive
469 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
470 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
471 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
473 // dividing FSEN along z in knz=2 and along x in knx=48
474 gMC->Gsdvn("FSEZ","FSEN",knz,3);
475 gMC->Gsdvn("FSEX","FSEZ",knx,1);
477 // FPAD volume definition
478 parfp[0] = klpadx*0.5;
479 parfp[1] = khsensmy*0.5;
480 parfp[2] = kwpadz*0.5;
481 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
482 // positioning the FPAD volumes on previous divisions
483 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
485 //// Positioning the Strips (FSTR) in the FLT volumes /////
489 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
491 Float_t gap = fGapA; //cm distance between the strip axis
497 ycoor = -14.5 + kspace ; //2 cm over front plate
499 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
500 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
503 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
504 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
509 Int_t upDown = -1; // upDown=-1 -> Upper strip
510 // upDown=+1 -> Lower strip
512 ang = atan(zcoor/radius);
514 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
515 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
517 ycoor = -14.5+ kspace; //2 cm over front plate
518 ycoor += (1-(upDown+1)/2)*gap;
519 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
520 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
523 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
524 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
528 upDown*= -1; // Alternate strips
529 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
530 upDown*gap*TMath::Tan(ang)-
531 (zSenStrip/2)/TMath::Cos(ang);
532 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
534 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
535 upDown*gap*TMath::Tan(ang)+
536 (zSenStrip/2)/TMath::Cos(ang);
539 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
540 upDown*gap*TMath::Tan(ang)-
541 (zSenStrip/2)/TMath::Cos(ang);
543 ang = atan(zcoor/radius);
545 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
546 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
549 ycoor = -14.5+ kspace; //2 cm over front plate
550 ycoor += (1-(upDown+1)/2)*gap;
551 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
552 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
555 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
556 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
559 ycoor = -hTof/2.+ kspace;//2 cm over front plate
566 Float_t deadRegion = 1.0;//cm
568 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
569 upDown*gap*TMath::Tan(ang)-
570 (zSenStrip/2)/TMath::Cos(ang)-
571 deadRegion/TMath::Cos(ang);
573 ang = atan(zpos/radius);
575 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
577 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
578 ycoor += (1-(upDown+1)/2)*gap;
579 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
580 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
583 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
584 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),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");
604 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
605 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
610 } while (TMath::Abs(ang*kRaddeg)<22.5);
611 //till we reach a tilting angle of 22.5 degrees
613 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
614 zpos = zpos - zSenStrip/TMath::Cos(ang);
617 ang = atan(zpos/radius);
619 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
621 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
622 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
623 zpos = zpos - zSenStrip/TMath::Cos(ang);
625 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
626 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
630 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
634 zpos = zpos + zSenStrip/TMath::Cos(ang);
636 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
638 (zSenStrip/2)/TMath::Cos(ang);
642 ycoor= -hTof*0.5+kspace+gap;
646 ang = atan(zpos/radius);
648 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
650 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
651 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
654 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
655 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
658 zpos = zpos - zSenStrip/TMath::Cos(ang);
659 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
662 ////////// Layers after strips /////////////////
663 // honeycomb (Polyethilene) Layer after (1.2cm)
665 Float_t overSpace = fOverSpc;//cm
669 par[2] = (zFLTA *0.5);
670 ycoor = -yFLT/2 + overSpace + par[1];
671 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
672 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
673 par[2] = (zFLTB *0.5);
674 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
675 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
676 par[2] = (zFLTC *0.5);
677 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
678 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
680 // Electronics (Cu) after
683 par[1] = 1.43*0.05*0.5; // 5% of X0
684 par[2] = (zFLTA *0.5);
686 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
687 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
688 par[2] = (zFLTB *0.5);
689 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
690 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
691 par[2] = (zFLTC *0.5);
692 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
693 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
695 // cooling WAter after
698 par[1] = 36.1*0.02*0.5; // 2% of X0
699 par[2] = (zFLTA *0.5);
701 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
702 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
703 par[2] = (zFLTB *0.5);
704 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
705 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
706 par[2] = (zFLTC *0.5);
707 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
708 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
713 par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
714 par[2] = (zFLTA *0.5);
716 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
717 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
718 par[2] = (zFLTB *0.5);
719 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
720 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
721 par[2] = (zFLTC *0.5);
722 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
723 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
725 //Back Plate honycomb (2cm)
729 ycoor = yFLT/2 - par[1];
730 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
731 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
732 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
733 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
734 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
735 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
739 //_____________________________________________________________________________
740 void AliTOFv2::DrawModule() const
743 // Draw a shaded view of the Time Of Flight version 2
745 // Set everything unseen
746 gMC->Gsatt("*", "seen", -1);
748 // Set ALIC mother transparent
749 gMC->Gsatt("ALIC","SEEN",0);
751 // Set the volumes visible
752 gMC->Gsatt("ALIC","SEEN",0);
754 gMC->Gsatt("FTOA","SEEN",1);
755 gMC->Gsatt("FTOB","SEEN",1);
756 gMC->Gsatt("FTOC","SEEN",1);
757 gMC->Gsatt("FLTA","SEEN",1);
758 gMC->Gsatt("FLTB","SEEN",1);
759 gMC->Gsatt("FLTC","SEEN",1);
760 gMC->Gsatt("FPLA","SEEN",1);
761 gMC->Gsatt("FPLB","SEEN",1);
762 gMC->Gsatt("FPLC","SEEN",1);
763 gMC->Gsatt("FSTR","SEEN",1);
764 gMC->Gsatt("FPEA","SEEN",1);
765 gMC->Gsatt("FPEB","SEEN",1);
766 gMC->Gsatt("FPEC","SEEN",1);
768 gMC->Gsatt("FLZ1","SEEN",0);
769 gMC->Gsatt("FLZ2","SEEN",0);
770 gMC->Gsatt("FLZ3","SEEN",0);
771 gMC->Gsatt("FLX1","SEEN",0);
772 gMC->Gsatt("FLX2","SEEN",0);
773 gMC->Gsatt("FLX3","SEEN",0);
774 gMC->Gsatt("FPAD","SEEN",0);
776 gMC->Gdopt("hide", "on");
777 gMC->Gdopt("shad", "on");
778 gMC->Gsatt("*", "fill", 7);
779 gMC->SetClipBox(".");
780 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
782 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
783 gMC->Gdhead(1111, "Time Of Flight");
784 gMC->Gdman(18, 4, "MAN");
785 gMC->Gdopt("hide","off");
787 //_____________________________________________________________________________
788 void AliTOFv2::DrawDetectorModules()
791 // Draw a shaded view of the TOF detector version 2
794 AliMC* pMC = AliMC::GetMC();
796 //Set ALIC mother transparent
797 pMC->Gsatt("ALIC","SEEN",0);
800 //Set volumes visible
803 // Level 1 for TOF volumes
804 gMC->Gsatt("B077","seen",0);
807 //==========> Level 2
809 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
810 gMC->Gsatt("B071","seen",0);
811 gMC->Gsatt("B074","seen",0);
812 gMC->Gsatt("B075","seen",0);
813 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
817 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
818 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
819 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
820 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
821 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
822 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
823 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
824 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
825 gMC->Gsatt("BTO1","seen",0);
829 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
830 gMC->Gsatt("BTO2","seen",0);
833 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
834 gMC->Gsatt("BTO3","seen",0);
836 // ==================> Level 3
837 // Level 3 of B071 / Level 2 of BTO1
838 gMC->Gsatt("FTOC","seen",-2);
839 gMC->Gsatt("FTOB","seen",-2);
840 gMC->Gsatt("FTOA","seen",-2);
842 // Level 3 of B074 / Level 2 of BTO2
843 // -> cfr previous settings
845 // Level 3 of B075 / Level 2 of BTO3
846 // -> cfr previous settings
848 gMC->Gdopt("hide","on");
849 gMC->Gdopt("shad","on");
850 gMC->Gsatt("*", "fill", 5);
851 gMC->SetClipBox(".");
852 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
854 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
855 gMC->Gdhead(1111,"TOF detector V1");
856 gMC->Gdman(18, 4, "MAN");
857 gMC->Gdopt("hide","off");
860 //_____________________________________________________________________________
861 void AliTOFv2::DrawDetectorStrips()
864 // Draw a shaded view of the TOF strips for version 2
867 AliMC* pMC = AliMC::GetMC();
869 //Set ALIC mother transparent
870 pMC->Gsatt("ALIC","SEEN",0);
873 //Set volumes visible
875 // Level 1 for TOF volumes
876 gMC->Gsatt("B077","seen",0);
878 //==========> Level 2
880 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
881 gMC->Gsatt("B071","seen",0);
882 gMC->Gsatt("B074","seen",0);
883 gMC->Gsatt("B075","seen",0);
884 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
887 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
888 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
889 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
890 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
891 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
892 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
893 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
894 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
895 gMC->Gsatt("BTO1","seen",0);
897 // ==================> Level 3
898 // Level 3 of B071 / Level 2 of BTO1
899 gMC->Gsatt("FTOC","seen",0);
900 gMC->Gsatt("FTOB","seen",0);
901 gMC->Gsatt("FTOA","seen",0);
903 // Level 3 of B074 / Level 2 of BTO2
904 // -> cfr previous settings
906 // Level 3 of B075 / Level 2 of BTO3
907 // -> cfr previous settings
910 // ==========================> Level 4
911 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
912 gMC->Gsatt("FLTC","seen",0);
913 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
914 gMC->Gsatt("FLTB","seen",0);
915 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
916 gMC->Gsatt("FLTA","seen",0);
918 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
919 // -> cfr previous settings
920 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
921 // -> cfr previous settings
923 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
924 // -> cfr previous settings
926 //======================================> Level 5
927 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
928 gMC->Gsatt("FALC","seen",0); // no children for FALC
929 gMC->Gsatt("FSTR","seen",-2);
930 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
931 gMC->Gsatt("FECC","seen",0); // no children for FECC
932 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
933 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
935 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
936 gMC->Gsatt("FALB","seen",0); // no children for FALB
937 //--> gMC->Gsatt("FSTR","seen",-2);
940 // -> cfr previous settings
941 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
942 gMC->Gsatt("FECB","seen",0); // no children for FECB
943 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
944 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
946 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
947 gMC->Gsatt("FALA","seen",0); // no children for FALB
948 //--> gMC->Gsatt("FSTR","seen",-2);
949 // -> cfr previous settings
950 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
951 gMC->Gsatt("FECA","seen",0); // no children for FECA
952 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
953 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
956 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
957 gMC->Gsatt("BTO2","seen",0);
960 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
961 gMC->Gsatt("BTO3","seen",0);
963 // for others Level 5, cfr. previous settings
965 gMC->Gdopt("hide","on");
966 gMC->Gdopt("shad","on");
967 gMC->Gsatt("*", "fill", 5);
968 gMC->SetClipBox(".");
969 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
971 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
972 gMC->Gdhead(1111,"TOF Strips V1");
973 gMC->Gdman(18, 4, "MAN");
974 gMC->Gdopt("hide","off");
977 //_____________________________________________________________________________
978 void AliTOFv2::CreateMaterials()
981 // Define materials for the Time Of Flight
983 AliTOF::CreateMaterials();
986 //_____________________________________________________________________________
987 void AliTOFv2::Init()
990 // Initialise the detector after the geometry has been defined
993 printf("%s: **************************************"
995 "**************************************\n",ClassName());
996 printf("\n%s: Version 2 of TOF initialing, "
997 "TOF with holes for PHOS and RICH \n",ClassName());
1002 fIdFTOA = gMC->VolId("FTOA");
1003 fIdFTOB = gMC->VolId("FTOB");
1004 fIdFTOC = gMC->VolId("FTOC");
1005 fIdFLTA = gMC->VolId("FLTA");
1006 fIdFLTB = gMC->VolId("FLTB");
1007 fIdFLTC = gMC->VolId("FLTC");
1010 printf("%s: **************************************"
1012 "**************************************\n",ClassName());
1016 //_____________________________________________________________________________
1017 void AliTOFv2::StepManager()
1020 // Procedure called at each step in the Time Of Flight
1022 TLorentzVector mom, pos;
1023 Float_t xm[3],pm[3],xpad[3],ppad[3];
1024 Float_t hits[13],phi,phid,z;
1026 Int_t sector, plate, padx, padz, strip;
1027 Int_t copy, padzid, padxid, stripid, i;
1028 Int_t *idtmed = fIdtmed->GetArray()-499;
1029 Float_t incidenceAngle;
1031 if(gMC->GetMedium()==idtmed[513] &&
1032 gMC->IsTrackEntering() && gMC->TrackCharge()
1033 && gMC->CurrentVolID(copy)==fIdSens)
1035 // getting information about hit volumes
1037 padzid=gMC->CurrentVolOffID(2,copy);
1040 padxid=gMC->CurrentVolOffID(1,copy);
1043 stripid=gMC->CurrentVolOffID(4,copy);
1046 gMC->TrackPosition(pos);
1047 gMC->TrackMomentum(mom);
1049 // Double_t NormPos=1./pos.Rho();
1050 Double_t normMom=1./mom.Rho();
1052 // getting the cohordinates in pad ref system
1053 xm[0] = (Float_t)pos.X();
1054 xm[1] = (Float_t)pos.Y();
1055 xm[2] = (Float_t)pos.Z();
1057 pm[0] = (Float_t)mom.X()*normMom;
1058 pm[1] = (Float_t)mom.Y()*normMom;
1059 pm[2] = (Float_t)mom.Z()*normMom;
1061 gMC->Gmtod(xm,xpad,1);
1062 gMC->Gmtod(pm,ppad,2);
1064 if (ppad[1] > 1.) ppad[1]=1;
1065 if (ppad[1] < -1.) ppad[1]=-1;
1066 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1071 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1072 if (z < (fZlenA*0.5+fZlenB) &&
1073 z > fZlenA*0.5) plate = 4;
1074 if (z >-(fZlenA*0.5+fZlenB) &&
1075 z < -fZlenA*0.5) plate = 2;
1076 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1077 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1080 phid = phi*kRaddeg+180.;
1081 sector = Int_t (phid/20.);
1089 hits[6] = mom.Rho();
1094 hits[11]= incidenceAngle;
1095 hits[12]= gMC->Edep();
1103 AddHit(gAlice->CurrentTrack(),vol, hits);