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 ///////////////////////////////////////////////////////////////////////////////
20 // This class contains the functions for version 2 of the Time Of Flight //
23 // VERSION WITH 5 MODULES AND TILTED STRIPS
25 // HOLES FOR PHOS AND RICH DETECTOR
27 // !Not Official version!
29 // Requested by Andreas Morsch to have TOFv2 full compliant
30 // with FRAME version 0
35 // University of Bologna - Italy
40 <img src="picts/AliTOFv2FHolesClass.gif">
44 ///////////////////////////////////////////////////////////////////////////////
46 #include <Riostream.h>
49 #include "AliTOFv2FHoles.h"
51 #include "TGeometry.h"
53 #include <TLorentzVector.h>
60 ClassImp(AliTOFv2FHoles)
62 //_____________________________________________________________________________
63 AliTOFv2FHoles::AliTOFv2FHoles()
66 // Default constructor
70 //_____________________________________________________________________________
71 AliTOFv2FHoles::AliTOFv2FHoles(const char *name, const char *title)
75 // Standard constructor
78 // Check that FRAME is there otherwise we have no place where to
80 AliModule* frame=gAlice->GetModule("FRAME");
82 Error("Ctor","TOF needs FRAME to be present\n");
85 if(frame->IsVersion()!=0) {
86 Error("Ctor","FRAME version 0 needed with this version of TOF\n");
91 //____________________________________________________________________________
93 void AliTOFv2FHoles::BuildGeometry()
96 // Build TOF ROOT geometry for the ALICE event display
99 const int kColorTOF = 27;
102 top = gAlice->GetGeometry()->GetNode("alice");
104 // Position the different copies
105 const Float_t krTof =(fRmax+fRmin)/2;
106 const Float_t khTof = fRmax-fRmin;
107 const Int_t kNTof = fNTof;
108 const Float_t kPi = TMath::Pi();
109 const Float_t kangle = 2*kPi/kNTof;
112 // fixing parameters as requested by FRAME v0 (Morsch 16-10-2001)
113 //Float_t zlenA = 124.; // cm (A module length) original size 106. enlarged
114 Float_t zlenB = 154.; // cm (B module length) original size 141. enlarged
115 Float_t zlenC = 159.5; // cm (C module length) original size 175.5 reduced
116 Float_t ztof0 = 375.5; // total half-length of a TOF sector original size 371.5cm
118 Float_t zOffsetC = ztof0 - zlenC*0.5;
119 Float_t zOffsetB = ztof0 - zlenC - zlenB*0.5;
120 Float_t zOffsetA = 0.00;
122 // Define TOF basic volume
124 char nodeName0[6], nodeName1[6], nodeName2[6];
125 char nodeName3[6], nodeName4[6], rotMatNum[6];
127 new TBRIK("S_TOF_C","TOF box","void",
128 fStripLn*0.5,khTof*0.5,fZlenC*0.5);
129 new TBRIK("S_TOF_B","TOF box","void",
130 fStripLn*0.5,khTof*0.5,fZlenB*0.5);
131 new TBRIK("S_TOF_A","TOF box","void",
132 fStripLn*0.5,khTof*0.5,fZlenA*0.5);
134 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
137 sprintf(rotMatNum,"rot50%i",nodeNum);
138 sprintf(nodeName0,"FTO00%i",nodeNum);
139 sprintf(nodeName1,"FTO10%i",nodeNum);
140 sprintf(nodeName2,"FTO20%i",nodeNum);
141 sprintf(nodeName3,"FTO30%i",nodeNum);
142 sprintf(nodeName4,"FTO40%i",nodeNum);
145 sprintf(rotMatNum,"rot5%i",nodeNum);
146 sprintf(nodeName0,"FTO0%i",nodeNum);
147 sprintf(nodeName1,"FTO1%i",nodeNum);
148 sprintf(nodeName2,"FTO2%i",nodeNum);
149 sprintf(nodeName3,"FTO3%i",nodeNum);
150 sprintf(nodeName4,"FTO4%i",nodeNum);
153 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
154 ang = (4.5-nodeNum) * kangle;
157 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
158 node->SetLineColor(kColorTOF);
162 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
163 node->SetLineColor(kColorTOF);
165 if (nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
168 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
169 node->SetLineColor(kColorTOF);
173 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
174 node->SetLineColor(kColorTOF);
176 } // Holes for RICH detector
178 if ((nodeNum<7 || nodeNum>11) && nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
181 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
182 node->SetLineColor(kColorTOF);
184 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
185 } // end loop on nodeNum
189 //_____________________________________________________________________________
190 void AliTOFv2FHoles::CreateGeometry()
193 // Create geometry for Time Of Flight version 0
197 <img src="picts/AliTOFv2FHoles.gif">
201 // Creates common geometry
203 AliTOF::CreateGeometry();
206 //_____________________________________________________________________________
207 void AliTOFv2FHoles::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
208 Float_t zlenB, Float_t zlenA, Float_t ztof0)
211 // Definition of the Time Of Fligh Resistive Plate Chambers
212 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
214 Float_t ycoor, zcoor;
216 Int_t *idtmed = fIdtmed->GetArray()-499;
219 Float_t hTof = fRmax-fRmin;
221 Float_t radius = fRmin+2.;//cm
223 // fixing parameters as requested by FRAME v0 (Morsch 16-10-2001)
224 zlenA = 124.; // cm (A module length) original size 106. enlarged
225 zlenB = 154.; // cm (B module length) original size 141. enlarged
226 zlenC = 159.5; // cm (C module length) original size 175.5 reduced
227 ztof0 = 375.5; // total half-length of a TOF sector original size 371.5cm
232 par[2] = zlenC * 0.5;
233 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
234 par[2] = zlenB * 0.5;
235 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
236 par[2] = zlenA * 0.5;
237 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
240 // Positioning of modules
242 Float_t zcor1 = ztof0 - zlenC*0.5;
243 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
244 Float_t zcor3 = 0.00;
245 Float_t zcor4 = 156.75 - zlenC*0.5;
246 Float_t zcor5 = -156.75 + zlenB*0.5;
248 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
249 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
250 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
251 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
252 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor4, 0, idrotm[0], "ONLY");
253 gMC->Gspos("FTOC", 1, "BTO3", 0, 0., 0, idrotm[0], "ONLY");
255 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
256 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
257 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor5, 0, idrotm[0], "ONLY");
259 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
261 Float_t db = 0.5;//cm
262 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
270 xFST = xFLT-fDeadBndX*2; //cm
272 // Sizes of MRPC pads
274 Float_t yPad = 0.505; //cm
276 // Large not sensitive volumes with Insensitive Freon
282 <<": ************************* TOF geometry **************************"
285 par[2] = (zFLTA *0.5);
286 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
287 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
289 par[2] = (zFLTB * 0.5);
290 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
291 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
293 par[2] = (zFLTC * 0.5);
294 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
295 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
297 ///// Layers of Aluminum before and after detector /////
298 ///// Aluminum Box for Modules (1.8 mm thickness) /////
299 ///// lateral walls not simulated for the time being
300 //const Float_t khAlWall = 0.18;
302 const Float_t khAlWall = 0.11;
304 par[1] = khAlWall/2.;//cm
305 ycoor = -yFLT/2 + par[1];
306 par[2] = (zFLTA *0.5);
307 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
308 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
309 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
310 par[2] = (zFLTB *0.5);
311 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
312 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
313 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
314 par[2] = (zFLTC *0.5);
315 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
316 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
317 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
319 ///////////////// Detector itself //////////////////////
321 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
322 //and the boundary of the strip
323 const Int_t knx = fNpadX; // number of pads along x
324 const Int_t knz = fNpadZ; // number of pads along z
325 const Float_t kspace = fSpace; //cm distance from the front plate of the box
327 Float_t zSenStrip = fZpad*fNpadZ;//cm
328 Float_t stripWidth = zSenStrip + 2*kdeadBound;
332 par[2] = stripWidth*0.5;
334 // new description for strip volume -double stack strip-
335 // -- all constants are expressed in cm
336 // heigth of different layers
337 const Float_t khhony = 0.8 ; // heigth of HONY Layer
338 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
339 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
340 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
341 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
342 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
343 const Float_t kwsensmz = 2*3.5 ; // cm
344 const Float_t klsensmx = 48*2.5; // cm
345 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
346 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
348 // heigth of the FSTR Volume (the strip volume)
349 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
350 // width of the FSTR Volume (the strip volume)
351 const Float_t kwstripz = 10.;
352 // length of the FSTR Volume (the strip volume)
353 const Float_t klstripx = 122.;
355 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
356 // coordinates of the strip center in the strip reference frame; used for positioning
357 // internal strip volumes
358 Float_t posfp[3]={0.,0.,0.};
361 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
362 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
363 //-- HONY Layer definition
365 parfp[1] = khhony*0.5;
367 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
368 // positioning 2 HONY Layers on FSTR volume
370 posfp[1]=-khstripy*0.5+parfp[1];
371 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
372 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
374 //-- PCB Layer definition
375 parfp[1] = khpcby*0.5;
376 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
377 // positioning 2 PCB Layers on FSTR volume
378 posfp[1]=-khstripy*0.5+khhony+parfp[1];
379 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
380 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
381 // positioning the central PCB layer
382 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
386 //-- MYLAR Layer definition
387 parfp[1] = khmyly*0.5;
388 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
389 // positioning 2 MYLAR Layers on FSTR volume
390 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
391 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
392 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
393 // adding further 2 MYLAR Layers on FSTR volume
394 posfp[1] = khpcby*0.5+parfp[1];
395 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
396 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
399 //-- Graphite Layer definition
400 parfp[1] = khgraphy*0.5;
401 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
402 // positioning 2 Graphite Layers on FSTR volume
403 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
404 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
405 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
406 // adding further 2 Graphite Layers on FSTR volume
407 posfp[1] = khpcby*0.5+khmyly+parfp[1];
408 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
409 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
412 //-- Glass (EXT. +Semi INT.) Layer definition
413 parfp[1] = khglasseiy*0.5;
414 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
415 // positioning 2 Glass Layers on FSTR volume
416 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
417 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
418 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
419 // adding further 2 Glass Layers on FSTR volume
420 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
421 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
422 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
425 //-- Sensitive Mixture Layer definition
426 parfp[0] = klsensmx*0.5;
427 parfp[1] = khsensmy*0.5;
428 parfp[2] = kwsensmz*0.5;
429 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
430 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
431 // positioning 2 gas Layers on FSTR volume
432 // the upper is insensitive freon
433 // while the remaining is sensitive
434 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
435 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
436 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
438 // dividing FSEN along z in knz=2 and along x in knx=48
439 gMC->Gsdvn("FSEZ","FSEN",knz,3);
440 gMC->Gsdvn("FSEX","FSEZ",knx,1);
442 // FPAD volume definition
443 parfp[0] = klpadx*0.5;
444 parfp[1] = khsensmy*0.5;
445 parfp[2] = kwpadz*0.5;
446 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
447 // positioning the FPAD volumes on previous divisions
448 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
450 //// Positioning the Strips (FSTR) in the FLT volumes /////
454 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
456 Float_t gap = fGapA+1.; //cm updated distance between the strip axis
457 // 1 cm is a special value exclusively for AliTOFv2FHoles geometry
463 ycoor = -14.5 + kspace ; //2 cm over front plate
465 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
466 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
469 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
470 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
475 Int_t upDown = -1; // upDown=-1 -> Upper strip
476 // upDown=+1 -> Lower strip
478 ang = atan(zcoor/radius);
480 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
481 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
483 ycoor = -14.5+ kspace; //2 cm over front plate
484 ycoor += (1-(upDown+1)/2)*gap;
485 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
486 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
489 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
490 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
494 upDown*= -1; // Alternate strips
495 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
496 upDown*gap*TMath::Tan(ang)-
497 (zSenStrip/2)/TMath::Cos(ang);
498 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
500 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
501 upDown*gap*TMath::Tan(ang)+
502 (zSenStrip/2)/TMath::Cos(ang);
505 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
506 upDown*gap*TMath::Tan(ang)-
507 (zSenStrip/2)/TMath::Cos(ang);
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.);
515 ycoor = -14.5+ kspace; //2 cm over front plate
516 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");
524 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
525 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
528 ycoor = -hTof/2.+ kspace;//2 cm over front plate
535 Float_t deadRegion = 1.0;//cm
537 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
538 upDown*gap*TMath::Tan(ang)-
539 (zSenStrip/2)/TMath::Cos(ang)-
540 deadRegion/TMath::Cos(ang);
542 ang = atan(zpos/radius);
544 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
546 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
547 ycoor += (1-(upDown+1)/2)*gap;
548 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
549 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
552 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
553 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
560 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
561 upDown*gap*TMath::Tan(ang)-
562 (zSenStrip/2)/TMath::Cos(ang);
563 ang = atan(zpos/radius);
565 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
567 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
568 ycoor += (1-(upDown+1)/2)*gap;
569 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
570 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
573 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
574 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
579 } while (TMath::Abs(ang*kRaddeg)<22.5);
580 //till we reach a tilting angle of 22.5 degrees
582 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
583 zpos = zpos - zSenStrip/TMath::Cos(ang);
584 // this avoid overlaps in between outer strips in plate B
585 Float_t deltaMovingUp=0.8; // [cm]
586 //Float_t deltaMovingDown=-0.0; // [cm] special value for AliTOFv2FHoles
589 ang = atan(zpos/radius);
591 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
593 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
594 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
595 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
596 zpos = zpos - zSenStrip/TMath::Cos(ang);
598 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
599 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
603 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
607 zpos = zpos + zSenStrip/TMath::Cos(ang);
609 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
611 (zSenStrip/2)/TMath::Cos(ang);
615 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
616 ycoor= -hTof*0.5+kspace+gap+deltaGap;
620 ang = atan(zpos/radius);
622 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
624 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
626 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
629 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
630 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
633 zpos = zpos - zSenStrip/TMath::Cos(ang);
634 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
637 ////////// Layers after strips /////////////////
638 // Al Layer thickness (2.3mm) factor 0.7
640 Float_t overSpace = fOverSpc;//cm
643 par[1] = 0.115*0.7; // factor 0.7
644 par[2] = (zFLTA *0.5);
645 ycoor = -yFLT/2 + overSpace + par[1];
646 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
647 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
648 par[2] = (zFLTB *0.5);
649 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
650 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
651 par[2] = (zFLTC *0.5);
652 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
653 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
656 // plexiglass thickness: 1.5 mm ; factor 0.3
659 par[1] = 0.075*0.3; // factor 0.3
660 par[2] = (zFLTA *0.5);
662 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
663 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
664 par[2] = (zFLTB *0.5);
665 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
666 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
667 par[2] = (zFLTC *0.5);
668 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
669 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
674 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
675 par[2] = (zFLTA *0.5);
677 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
678 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
679 par[2] = (zFLTB *0.5);
680 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
681 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
682 par[2] = (zFLTC *0.5);
683 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
684 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
687 // start with cards and cooling tubes
688 // finally, cards, cooling tubes and layer for thermal dispersion
690 // card volume definition
692 // see GEOM200 in GEANT manual
693 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
699 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
700 //alu plate volume definition
703 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
706 // central module positioning (FAIA)
707 Float_t cardpos[3], aplpos2, stepforcardA=6.89;
711 Float_t aplpos1 = -2.;
713 for (icard=0; icard<17; ++icard) {
714 cardpos[2]= cardpos[2]+stepforcardA;
715 aplpos2 = cardpos[2]+0.15;
716 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
717 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
722 // intermediate module positioning (FAIB)
723 Float_t stepforcardB= 7.05;
725 for (icard=0; icard<19; ++icard) {
726 cardpos[2]= cardpos[2]+stepforcardB;
727 aplpos2 = cardpos[2]+0.15;
728 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
729 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
733 // outer module positioning (FAIC)
734 Float_t stepforcardC= 8.45238;
736 for (icard=0; icard<17; ++icard) {
737 cardpos[2]= cardpos[2]+stepforcardC;
738 aplpos2 = cardpos[2]+0.15;
739 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
740 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
743 // tube volume definition
748 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
752 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
753 // positioning water tube into the steel one
754 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
758 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
759 // central module positioning (FAIA)
760 Float_t tubepos[3], tdis=0.6;
762 tubepos[1]= cardpos[1];
763 tubepos[2]= -62.+tdis;
766 for (itub=0; itub<17; ++itub) {
767 tubepos[2]= tubepos[2]+stepforcardA;
768 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
773 // intermediate module positioning (FAIB)
774 tubepos[2]= -70.5+tdis;
775 for (itub=0; itub<19; ++itub) {
776 tubepos[2]= tubepos[2]+stepforcardB;
777 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
781 // outer module positioning (FAIC)
782 tubepos[2]= -79.75+tdis;
783 for (itub=0; itub<17; ++itub) {
784 tubepos[2]= tubepos[2]+stepforcardC;
785 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
791 //_____________________________________________________________________________
792 void AliTOFv2FHoles::DrawModule() const
795 // Draw a shaded view of the Time Of Flight version 2
797 // Set everything unseen
798 gMC->Gsatt("*", "seen", -1);
800 // Set ALIC mother transparent
801 gMC->Gsatt("ALIC","SEEN",0);
803 // Set the volumes visible
804 gMC->Gsatt("ALIC","SEEN",0);
806 gMC->Gsatt("FTOA","SEEN",1);
807 gMC->Gsatt("FTOB","SEEN",1);
808 gMC->Gsatt("FTOC","SEEN",1);
809 gMC->Gsatt("FLTA","SEEN",1);
810 gMC->Gsatt("FLTB","SEEN",1);
811 gMC->Gsatt("FLTC","SEEN",1);
812 gMC->Gsatt("FPLA","SEEN",1);
813 gMC->Gsatt("FPLB","SEEN",1);
814 gMC->Gsatt("FPLC","SEEN",1);
815 gMC->Gsatt("FSTR","SEEN",1);
816 gMC->Gsatt("FPEA","SEEN",1);
817 gMC->Gsatt("FPEB","SEEN",1);
818 gMC->Gsatt("FPEC","SEEN",1);
820 gMC->Gsatt("FLZ1","SEEN",0);
821 gMC->Gsatt("FLZ2","SEEN",0);
822 gMC->Gsatt("FLZ3","SEEN",0);
823 gMC->Gsatt("FLX1","SEEN",0);
824 gMC->Gsatt("FLX2","SEEN",0);
825 gMC->Gsatt("FLX3","SEEN",0);
826 gMC->Gsatt("FPAD","SEEN",0);
828 gMC->Gdopt("hide", "on");
829 gMC->Gdopt("shad", "on");
830 gMC->Gsatt("*", "fill", 7);
831 gMC->SetClipBox(".");
832 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
834 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
835 gMC->Gdhead(1111, "Time Of Flight");
836 gMC->Gdman(18, 4, "MAN");
837 gMC->Gdopt("hide","off");
839 //_____________________________________________________________________________
840 void AliTOFv2FHoles::DrawDetectorModules()
843 // Draw a shaded view of the TOF detector version 2
846 //Set ALIC mother transparent
847 gMC->Gsatt("ALIC","SEEN",0);
850 //Set volumes visible
853 // Level 1 for TOF volumes
854 gMC->Gsatt("B077","seen",0);
857 //==========> Level 2
859 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
860 gMC->Gsatt("B071","seen",0);
861 gMC->Gsatt("B074","seen",0);
862 gMC->Gsatt("B075","seen",0);
863 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
867 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
868 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
869 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
870 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
871 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
872 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
873 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
874 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
875 gMC->Gsatt("BTO1","seen",0);
879 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
880 gMC->Gsatt("BTO2","seen",0);
883 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
884 gMC->Gsatt("BTO3","seen",0);
886 // ==================> Level 3
887 // Level 3 of B071 / Level 2 of BTO1
888 gMC->Gsatt("FTOC","seen",-2);
889 gMC->Gsatt("FTOB","seen",-2);
890 gMC->Gsatt("FTOA","seen",-2);
892 // Level 3 of B074 / Level 2 of BTO2
893 // -> cfr previous settings
895 // Level 3 of B075 / Level 2 of BTO3
896 // -> cfr previous settings
898 gMC->Gdopt("hide","on");
899 gMC->Gdopt("shad","on");
900 gMC->Gsatt("*", "fill", 5);
901 gMC->SetClipBox(".");
902 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
904 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
905 gMC->Gdhead(1111,"TOF detector V1");
906 gMC->Gdman(18, 4, "MAN");
907 gMC->Gdopt("hide","off");
910 //_____________________________________________________________________________
911 void AliTOFv2FHoles::DrawDetectorStrips()
914 // Draw a shaded view of the TOF strips for version 2
917 //Set ALIC mother transparent
918 gMC->Gsatt("ALIC","SEEN",0);
921 //Set volumes visible
923 // Level 1 for TOF volumes
924 gMC->Gsatt("B077","seen",0);
926 //==========> Level 2
928 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
929 gMC->Gsatt("B071","seen",0);
930 gMC->Gsatt("B074","seen",0);
931 gMC->Gsatt("B075","seen",0);
932 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
935 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
936 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
937 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
938 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
939 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
940 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
941 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
942 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
943 gMC->Gsatt("BTO1","seen",0);
945 // ==================> Level 3
946 // Level 3 of B071 / Level 2 of BTO1
947 gMC->Gsatt("FTOC","seen",0);
948 gMC->Gsatt("FTOB","seen",0);
949 gMC->Gsatt("FTOA","seen",0);
951 // Level 3 of B074 / Level 2 of BTO2
952 // -> cfr previous settings
954 // Level 3 of B075 / Level 2 of BTO3
955 // -> cfr previous settings
958 // ==========================> Level 4
959 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
960 gMC->Gsatt("FLTC","seen",0);
961 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
962 gMC->Gsatt("FLTB","seen",0);
963 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
964 gMC->Gsatt("FLTA","seen",0);
966 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
967 // -> cfr previous settings
968 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
969 // -> cfr previous settings
971 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
972 // -> cfr previous settings
974 //======================================> Level 5
975 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
976 gMC->Gsatt("FALC","seen",0); // no children for FALC
977 gMC->Gsatt("FSTR","seen",-2);
978 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
979 gMC->Gsatt("FECC","seen",0); // no children for FECC
980 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
981 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
983 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
984 gMC->Gsatt("FALB","seen",0); // no children for FALB
985 //--> gMC->Gsatt("FSTR","seen",-2);
988 // -> cfr previous settings
989 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
990 gMC->Gsatt("FECB","seen",0); // no children for FECB
991 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
992 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
994 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
995 gMC->Gsatt("FALA","seen",0); // no children for FALB
996 //--> gMC->Gsatt("FSTR","seen",-2);
997 // -> cfr previous settings
998 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
999 gMC->Gsatt("FECA","seen",0); // no children for FECA
1000 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1001 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1004 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1005 gMC->Gsatt("BTO2","seen",0);
1008 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1009 gMC->Gsatt("BTO3","seen",0);
1011 // for others Level 5, cfr. previous settings
1013 gMC->Gdopt("hide","on");
1014 gMC->Gdopt("shad","on");
1015 gMC->Gsatt("*", "fill", 5);
1016 gMC->SetClipBox(".");
1017 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1018 gMC->DefaultRange();
1019 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1020 gMC->Gdhead(1111,"TOF Strips V1");
1021 gMC->Gdman(18, 4, "MAN");
1022 gMC->Gdopt("hide","off");
1025 //_____________________________________________________________________________
1026 void AliTOFv2FHoles::CreateMaterials()
1029 // Define materials for the Time Of Flight
1031 AliTOF::CreateMaterials();
1034 //_____________________________________________________________________________
1035 void AliTOFv2FHoles::Init()
1038 // Initialise the detector after the geometry has been defined
1041 printf("%s: **************************************"
1043 "**************************************\n",ClassName());
1044 printf("\n%s: Version 2 of TOF initialing, "
1045 "TOF with holes for PHOS and RICH \n",ClassName());
1050 fIdFTOA = gMC->VolId("FTOA");
1051 fIdFTOB = gMC->VolId("FTOB");
1052 fIdFTOC = gMC->VolId("FTOC");
1053 fIdFLTA = gMC->VolId("FLTA");
1054 fIdFLTB = gMC->VolId("FLTB");
1055 fIdFLTC = gMC->VolId("FLTC");
1058 printf("%s: **************************************"
1060 "**************************************\n",ClassName());
1064 //_____________________________________________________________________________
1065 void AliTOFv2FHoles::StepManager()
1068 // Procedure called at each step in the Time Of Flight
1070 TLorentzVector mom, pos;
1071 Float_t xm[3],pm[3],xpad[3],ppad[3];
1072 Float_t hits[13],phi,phid,z;
1074 Int_t sector, plate, padx, padz, strip;
1075 Int_t copy, padzid, padxid, stripid, i;
1076 Int_t *idtmed = fIdtmed->GetArray()-499;
1077 Float_t incidenceAngle;
1079 if(gMC->GetMedium()==idtmed[513] &&
1080 gMC->IsTrackEntering() && gMC->TrackCharge()
1081 && gMC->CurrentVolID(copy)==fIdSens)
1083 // getting information about hit volumes
1085 padzid=gMC->CurrentVolOffID(2,copy);
1088 padxid=gMC->CurrentVolOffID(1,copy);
1091 stripid=gMC->CurrentVolOffID(4,copy);
1094 gMC->TrackPosition(pos);
1095 gMC->TrackMomentum(mom);
1097 // Double_t NormPos=1./pos.Rho();
1098 Double_t normMom=1./mom.Rho();
1100 // getting the cohordinates in pad ref system
1101 xm[0] = (Float_t)pos.X();
1102 xm[1] = (Float_t)pos.Y();
1103 xm[2] = (Float_t)pos.Z();
1105 pm[0] = (Float_t)mom.X()*normMom;
1106 pm[1] = (Float_t)mom.Y()*normMom;
1107 pm[2] = (Float_t)mom.Z()*normMom;
1109 gMC->Gmtod(xm,xpad,1);
1110 gMC->Gmtod(pm,ppad,2);
1112 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1119 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1120 if (z < (fZlenA*0.5+fZlenB) &&
1121 z > fZlenA*0.5) plate = 4;
1122 if (z >-(fZlenA*0.5+fZlenB) &&
1123 z < -fZlenA*0.5) plate = 2;
1124 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1125 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1126 end to be changed */
1128 if (TMath::Abs(z) <= 124.*0.5) plate = 3;
1129 if (z < (124.*0.5+154.) &&
1130 z > 124.*0.5) plate = 4;
1131 if (z >-(124.*0.5+154.) &&
1132 z < -124.*0.5) plate = 2;
1133 if (z > (124.*0.5+154.)) plate = 5;
1134 if (z <-(124.*0.5+154.)) plate = 1;
1138 phid = phi*kRaddeg+180.;
1139 sector = Int_t (phid/20.);
1147 hits[6] = mom.Rho();
1152 hits[11]= incidenceAngle;
1153 hits[12]= gMC->Edep();
1161 AddHit(gAlice->CurrentTrack(),vol, hits);