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 ///////////////////////////////////////////////////////////////////////////////
49 #include "AliTOFv2FHoles.h"
51 #include "TGeometry.h"
53 #include <TLorentzVector.h>
61 ClassImp(AliTOFv2FHoles)
63 //_____________________________________________________________________________
64 AliTOFv2FHoles::AliTOFv2FHoles()
67 // Default constructor
71 //_____________________________________________________________________________
72 AliTOFv2FHoles::AliTOFv2FHoles(const char *name, const char *title)
76 // Standard constructor
79 // Check that FRAME is there otherwise we have no place where to
81 AliModule* frame=gAlice->GetModule("FRAME");
83 Error("Ctor","TOF needs FRAME to be present\n");
86 if(frame->IsVersion()!=0) {
87 Error("Ctor","FRAME version 0 needed with this version of TOF\n");
92 //____________________________________________________________________________
94 void AliTOFv2FHoles::BuildGeometry()
97 // Build TOF ROOT geometry for the ALICE event display
100 const int kColorTOF = 27;
103 top = gAlice->GetGeometry()->GetNode("alice");
105 // Position the different copies
106 const Float_t krTof =(fRmax+fRmin)/2;
107 const Float_t khTof = fRmax-fRmin;
108 const Int_t kNTof = fNTof;
109 const Float_t kPi = TMath::Pi();
110 const Float_t kangle = 2*kPi/kNTof;
113 // fixing parameters as requested by FRAME v0 (Morsch 16-10-2001)
114 //Float_t zlenA = 124.; // cm (A module length) original size 106. enlarged
115 Float_t zlenB = 154.; // cm (B module length) original size 141. enlarged
116 Float_t zlenC = 159.5; // cm (C module length) original size 175.5 reduced
117 Float_t ztof0 = 375.5; // total half-length of a TOF sector original size 371.5cm
119 Float_t zOffsetC = ztof0 - zlenC*0.5;
120 Float_t zOffsetB = ztof0 - zlenC - zlenB*0.5;
121 Float_t zOffsetA = 0.00;
123 // Define TOF basic volume
125 char nodeName0[6], nodeName1[6], nodeName2[6];
126 char nodeName3[6], nodeName4[6], rotMatNum[6];
128 new TBRIK("S_TOF_C","TOF box","void",
129 fStripLn*0.5,khTof*0.5,fZlenC*0.5);
130 new TBRIK("S_TOF_B","TOF box","void",
131 fStripLn*0.5,khTof*0.5,fZlenB*0.5);
132 new TBRIK("S_TOF_A","TOF box","void",
133 fStripLn*0.5,khTof*0.5,fZlenA*0.5);
135 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
138 sprintf(rotMatNum,"rot50%i",nodeNum);
139 sprintf(nodeName0,"FTO00%i",nodeNum);
140 sprintf(nodeName1,"FTO10%i",nodeNum);
141 sprintf(nodeName2,"FTO20%i",nodeNum);
142 sprintf(nodeName3,"FTO30%i",nodeNum);
143 sprintf(nodeName4,"FTO40%i",nodeNum);
146 sprintf(rotMatNum,"rot5%i",nodeNum);
147 sprintf(nodeName0,"FTO0%i",nodeNum);
148 sprintf(nodeName1,"FTO1%i",nodeNum);
149 sprintf(nodeName2,"FTO2%i",nodeNum);
150 sprintf(nodeName3,"FTO3%i",nodeNum);
151 sprintf(nodeName4,"FTO4%i",nodeNum);
154 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
155 ang = (4.5-nodeNum) * kangle;
158 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
159 node->SetLineColor(kColorTOF);
163 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
164 node->SetLineColor(kColorTOF);
166 if (nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
169 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
170 node->SetLineColor(kColorTOF);
174 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
175 node->SetLineColor(kColorTOF);
177 } // Holes for RICH detector
179 if ((nodeNum<7 || nodeNum>11) && nodeNum !=1 && nodeNum!=17 && nodeNum !=18)
182 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
183 node->SetLineColor(kColorTOF);
185 } // Holes for PHOS detector (+ Holes for RICH detector, central part)
186 } // end loop on nodeNum
190 //_____________________________________________________________________________
191 void AliTOFv2FHoles::CreateGeometry()
194 // Create geometry for Time Of Flight version 0
198 <img src="picts/AliTOFv2FHoles.gif">
202 // Creates common geometry
204 AliTOF::CreateGeometry();
207 //_____________________________________________________________________________
208 void AliTOFv2FHoles::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
209 Float_t zlenB, Float_t zlenA, Float_t ztof0)
212 // Definition of the Time Of Fligh Resistive Plate Chambers
213 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
215 Float_t ycoor, zcoor;
217 Int_t *idtmed = fIdtmed->GetArray()-499;
220 Float_t hTof = fRmax-fRmin;
222 Float_t radius = fRmin+2.;//cm
224 // fixing parameters as requested by FRAME v0 (Morsch 16-10-2001)
225 zlenA = 124.; // cm (A module length) original size 106. enlarged
226 zlenB = 154.; // cm (B module length) original size 141. enlarged
227 zlenC = 159.5; // cm (C module length) original size 175.5 reduced
228 ztof0 = 375.5; // total half-length of a TOF sector original size 371.5cm
233 par[2] = zlenC * 0.5;
234 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
235 par[2] = zlenB * 0.5;
236 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
237 par[2] = zlenA * 0.5;
238 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
241 // Positioning of modules
243 Float_t zcor1 = ztof0 - zlenC*0.5;
244 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
245 Float_t zcor3 = 0.00;
246 Float_t zcor4 = 156.75 - zlenC*0.5;
247 Float_t zcor5 = -156.75 + zlenB*0.5;
249 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
250 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
251 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
252 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
253 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor4, 0, idrotm[0], "ONLY");
254 gMC->Gspos("FTOC", 1, "BTO3", 0, 0., 0, idrotm[0], "ONLY");
256 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
257 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
258 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor5, 0, idrotm[0], "ONLY");
260 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
262 Float_t db = 0.5;//cm
263 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
271 xFST = xFLT-fDeadBndX*2; //cm
273 // Sizes of MRPC pads
275 Float_t yPad = 0.505; //cm
277 // Large not sensitive volumes with Insensitive Freon
283 <<": ************************* TOF geometry **************************"
286 par[2] = (zFLTA *0.5);
287 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
288 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
290 par[2] = (zFLTB * 0.5);
291 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
292 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
294 par[2] = (zFLTC * 0.5);
295 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
296 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
298 ///// Layers of Aluminum before and after detector /////
299 ///// Aluminum Box for Modules (1.8 mm thickness) /////
300 ///// lateral walls not simulated for the time being
301 //const Float_t khAlWall = 0.18;
303 const Float_t khAlWall = 0.11;
305 par[1] = khAlWall/2.;//cm
306 ycoor = -yFLT/2 + par[1];
307 par[2] = (zFLTA *0.5);
308 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
309 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
310 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
311 par[2] = (zFLTB *0.5);
312 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
313 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
314 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
315 par[2] = (zFLTC *0.5);
316 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
317 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
318 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
320 ///////////////// Detector itself //////////////////////
322 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
323 //and the boundary of the strip
324 const Int_t knx = fNpadX; // number of pads along x
325 const Int_t knz = fNpadZ; // number of pads along z
326 const Float_t kspace = fSpace; //cm distance from the front plate of the box
328 Float_t zSenStrip = fZpad*fNpadZ;//cm
329 Float_t stripWidth = zSenStrip + 2*kdeadBound;
333 par[2] = stripWidth*0.5;
335 // new description for strip volume -double stack strip-
336 // -- all constants are expressed in cm
337 // heigth of different layers
338 const Float_t khhony = 0.8 ; // heigth of HONY Layer
339 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
340 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
341 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
342 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
343 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
344 const Float_t kwsensmz = 2*3.5 ; // cm
345 const Float_t klsensmx = 48*2.5; // cm
346 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
347 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
349 // heigth of the FSTR Volume (the strip volume)
350 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
351 // width of the FSTR Volume (the strip volume)
352 const Float_t kwstripz = 10.;
353 // length of the FSTR Volume (the strip volume)
354 const Float_t klstripx = 122.;
356 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
357 // coordinates of the strip center in the strip reference frame; used for positioning
358 // internal strip volumes
359 Float_t posfp[3]={0.,0.,0.};
362 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
363 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
364 //-- HONY Layer definition
366 parfp[1] = khhony*0.5;
368 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
369 // positioning 2 HONY Layers on FSTR volume
371 posfp[1]=-khstripy*0.5+parfp[1];
372 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
373 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
375 //-- PCB Layer definition
376 parfp[1] = khpcby*0.5;
377 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
378 // positioning 2 PCB Layers on FSTR volume
379 posfp[1]=-khstripy*0.5+khhony+parfp[1];
380 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
381 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
382 // positioning the central PCB layer
383 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
387 //-- MYLAR Layer definition
388 parfp[1] = khmyly*0.5;
389 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
390 // positioning 2 MYLAR Layers on FSTR volume
391 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
392 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
393 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
394 // adding further 2 MYLAR Layers on FSTR volume
395 posfp[1] = khpcby*0.5+parfp[1];
396 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
397 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
400 //-- Graphite Layer definition
401 parfp[1] = khgraphy*0.5;
402 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
403 // positioning 2 Graphite Layers on FSTR volume
404 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
405 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
406 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
407 // adding further 2 Graphite Layers on FSTR volume
408 posfp[1] = khpcby*0.5+khmyly+parfp[1];
409 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
410 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
413 //-- Glass (EXT. +Semi INT.) Layer definition
414 parfp[1] = khglasseiy*0.5;
415 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
416 // positioning 2 Glass Layers on FSTR volume
417 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
418 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
419 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
420 // adding further 2 Glass Layers on FSTR volume
421 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
422 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
423 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
426 //-- Sensitive Mixture Layer definition
427 parfp[0] = klsensmx*0.5;
428 parfp[1] = khsensmy*0.5;
429 parfp[2] = kwsensmz*0.5;
430 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
431 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
432 // positioning 2 gas Layers on FSTR volume
433 // the upper is insensitive freon
434 // while the remaining is sensitive
435 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
436 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
437 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
439 // dividing FSEN along z in knz=2 and along x in knx=48
440 gMC->Gsdvn("FSEZ","FSEN",knz,3);
441 gMC->Gsdvn("FSEX","FSEZ",knx,1);
443 // FPAD volume definition
444 parfp[0] = klpadx*0.5;
445 parfp[1] = khsensmy*0.5;
446 parfp[2] = kwpadz*0.5;
447 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
448 // positioning the FPAD volumes on previous divisions
449 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
451 //// Positioning the Strips (FSTR) in the FLT volumes /////
455 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
457 Float_t gap = fGapA+1.; //cm updated distance between the strip axis
458 // 1 cm is a special value exclusively for AliTOFv2FHoles geometry
464 ycoor = -14.5 + kspace ; //2 cm over front plate
466 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
467 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
470 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
471 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
476 Int_t upDown = -1; // upDown=-1 -> Upper strip
477 // upDown=+1 -> Lower strip
479 ang = atan(zcoor/radius);
481 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
482 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
484 ycoor = -14.5+ kspace; //2 cm over front plate
485 ycoor += (1-(upDown+1)/2)*gap;
486 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
487 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
490 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
491 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
495 upDown*= -1; // Alternate strips
496 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
497 upDown*gap*TMath::Tan(ang)-
498 (zSenStrip/2)/TMath::Cos(ang);
499 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
501 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
502 upDown*gap*TMath::Tan(ang)+
503 (zSenStrip/2)/TMath::Cos(ang);
506 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
507 upDown*gap*TMath::Tan(ang)-
508 (zSenStrip/2)/TMath::Cos(ang);
510 ang = atan(zcoor/radius);
512 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
513 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
516 ycoor = -14.5+ kspace; //2 cm over front plate
517 ycoor += (1-(upDown+1)/2)*gap;
520 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
521 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
525 printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i);
526 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
529 ycoor = -hTof/2.+ kspace;//2 cm over front plate
536 Float_t deadRegion = 1.0;//cm
538 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
539 upDown*gap*TMath::Tan(ang)-
540 (zSenStrip/2)/TMath::Cos(ang)-
541 deadRegion/TMath::Cos(ang);
543 ang = atan(zpos/radius);
545 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
547 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
548 ycoor += (1-(upDown+1)/2)*gap;
549 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
550 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
553 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
554 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
561 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
562 upDown*gap*TMath::Tan(ang)-
563 (zSenStrip/2)/TMath::Cos(ang);
564 ang = atan(zpos/radius);
566 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
568 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
569 ycoor += (1-(upDown+1)/2)*gap;
570 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
571 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
574 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
575 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
580 } while (TMath::Abs(ang*kRaddeg)<22.5);
581 //till we reach a tilting angle of 22.5 degrees
583 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
584 zpos = zpos - zSenStrip/TMath::Cos(ang);
585 // this avoid overlaps in between outer strips in plate B
586 Float_t deltaMovingUp=0.8; // [cm]
587 //Float_t deltaMovingDown=-0.0; // [cm] special value for AliTOFv2FHoles
590 ang = atan(zpos/radius);
592 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
594 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
595 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
596 deltaMovingUp+=0.8; // update delta moving toward the end of the plate
597 zpos = zpos - zSenStrip/TMath::Cos(ang);
599 printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
600 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
604 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
608 zpos = zpos + zSenStrip/TMath::Cos(ang);
610 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
612 (zSenStrip/2)/TMath::Cos(ang);
616 Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
617 ycoor= -hTof*0.5+kspace+gap+deltaGap;
621 ang = atan(zpos/radius);
623 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
625 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
627 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
630 printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
631 printf("%s: y = %f, z = %f, zpos = %f \n",ClassName(),ycoor,zcoor,zpos);
634 zpos = zpos - zSenStrip/TMath::Cos(ang);
635 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
638 ////////// Layers after strips /////////////////
639 // Al Layer thickness (2.3mm) factor 0.7
641 Float_t overSpace = fOverSpc;//cm
644 par[1] = 0.115*0.7; // factor 0.7
645 par[2] = (zFLTA *0.5);
646 ycoor = -yFLT/2 + overSpace + par[1];
647 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
648 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
649 par[2] = (zFLTB *0.5);
650 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
651 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
652 par[2] = (zFLTC *0.5);
653 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
654 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
657 // plexiglass thickness: 1.5 mm ; factor 0.3
660 par[1] = 0.075*0.3; // factor 0.3
661 par[2] = (zFLTA *0.5);
663 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
664 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
665 par[2] = (zFLTB *0.5);
666 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
667 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
668 par[2] = (zFLTC *0.5);
669 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
670 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
675 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
676 par[2] = (zFLTA *0.5);
678 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
679 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
680 par[2] = (zFLTB *0.5);
681 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
682 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
683 par[2] = (zFLTC *0.5);
684 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
685 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
688 // start with cards and cooling tubes
689 // finally, cards, cooling tubes and layer for thermal dispersion
691 // card volume definition
693 // see GEOM200 in GEANT manual
694 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
700 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
701 //alu plate volume definition
704 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
707 // central module positioning (FAIA)
708 Float_t cardpos[3], aplpos2, stepforcardA=6.89;
712 Float_t aplpos1 = -2.;
714 for (icard=0; icard<17; ++icard) {
715 cardpos[2]= cardpos[2]+stepforcardA;
716 aplpos2 = cardpos[2]+0.15;
717 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
718 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
723 // intermediate module positioning (FAIB)
724 Float_t stepforcardB= 7.05;
726 for (icard=0; icard<19; ++icard) {
727 cardpos[2]= cardpos[2]+stepforcardB;
728 aplpos2 = cardpos[2]+0.15;
729 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
730 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
734 // outer module positioning (FAIC)
735 Float_t stepforcardC= 8.45238;
737 for (icard=0; icard<17; ++icard) {
738 cardpos[2]= cardpos[2]+stepforcardC;
739 aplpos2 = cardpos[2]+0.15;
740 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
741 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
744 // tube volume definition
749 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
753 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
754 // positioning water tube into the steel one
755 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
759 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
760 // central module positioning (FAIA)
761 Float_t tubepos[3], tdis=0.6;
763 tubepos[1]= cardpos[1];
764 tubepos[2]= -62.+tdis;
767 for (itub=0; itub<17; ++itub) {
768 tubepos[2]= tubepos[2]+stepforcardA;
769 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
774 // intermediate module positioning (FAIB)
775 tubepos[2]= -70.5+tdis;
776 for (itub=0; itub<19; ++itub) {
777 tubepos[2]= tubepos[2]+stepforcardB;
778 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
782 // outer module positioning (FAIC)
783 tubepos[2]= -79.75+tdis;
784 for (itub=0; itub<17; ++itub) {
785 tubepos[2]= tubepos[2]+stepforcardC;
786 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
792 //_____________________________________________________________________________
793 void AliTOFv2FHoles::DrawModule() const
796 // Draw a shaded view of the Time Of Flight version 2
798 // Set everything unseen
799 gMC->Gsatt("*", "seen", -1);
801 // Set ALIC mother transparent
802 gMC->Gsatt("ALIC","SEEN",0);
804 // Set the volumes visible
805 gMC->Gsatt("ALIC","SEEN",0);
807 gMC->Gsatt("FTOA","SEEN",1);
808 gMC->Gsatt("FTOB","SEEN",1);
809 gMC->Gsatt("FTOC","SEEN",1);
810 gMC->Gsatt("FLTA","SEEN",1);
811 gMC->Gsatt("FLTB","SEEN",1);
812 gMC->Gsatt("FLTC","SEEN",1);
813 gMC->Gsatt("FPLA","SEEN",1);
814 gMC->Gsatt("FPLB","SEEN",1);
815 gMC->Gsatt("FPLC","SEEN",1);
816 gMC->Gsatt("FSTR","SEEN",1);
817 gMC->Gsatt("FPEA","SEEN",1);
818 gMC->Gsatt("FPEB","SEEN",1);
819 gMC->Gsatt("FPEC","SEEN",1);
821 gMC->Gsatt("FLZ1","SEEN",0);
822 gMC->Gsatt("FLZ2","SEEN",0);
823 gMC->Gsatt("FLZ3","SEEN",0);
824 gMC->Gsatt("FLX1","SEEN",0);
825 gMC->Gsatt("FLX2","SEEN",0);
826 gMC->Gsatt("FLX3","SEEN",0);
827 gMC->Gsatt("FPAD","SEEN",0);
829 gMC->Gdopt("hide", "on");
830 gMC->Gdopt("shad", "on");
831 gMC->Gsatt("*", "fill", 7);
832 gMC->SetClipBox(".");
833 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
835 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
836 gMC->Gdhead(1111, "Time Of Flight");
837 gMC->Gdman(18, 4, "MAN");
838 gMC->Gdopt("hide","off");
840 //_____________________________________________________________________________
841 void AliTOFv2FHoles::DrawDetectorModules()
844 // Draw a shaded view of the TOF detector version 2
847 AliMC* pMC = AliMC::GetMC();
849 //Set ALIC mother transparent
850 pMC->Gsatt("ALIC","SEEN",0);
853 //Set volumes visible
856 // Level 1 for TOF volumes
857 gMC->Gsatt("B077","seen",0);
860 //==========> Level 2
862 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
863 gMC->Gsatt("B071","seen",0);
864 gMC->Gsatt("B074","seen",0);
865 gMC->Gsatt("B075","seen",0);
866 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
870 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
871 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
872 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
873 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
874 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
875 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
876 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
877 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
878 gMC->Gsatt("BTO1","seen",0);
882 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
883 gMC->Gsatt("BTO2","seen",0);
886 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
887 gMC->Gsatt("BTO3","seen",0);
889 // ==================> Level 3
890 // Level 3 of B071 / Level 2 of BTO1
891 gMC->Gsatt("FTOC","seen",-2);
892 gMC->Gsatt("FTOB","seen",-2);
893 gMC->Gsatt("FTOA","seen",-2);
895 // Level 3 of B074 / Level 2 of BTO2
896 // -> cfr previous settings
898 // Level 3 of B075 / Level 2 of BTO3
899 // -> cfr previous settings
901 gMC->Gdopt("hide","on");
902 gMC->Gdopt("shad","on");
903 gMC->Gsatt("*", "fill", 5);
904 gMC->SetClipBox(".");
905 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
907 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
908 gMC->Gdhead(1111,"TOF detector V1");
909 gMC->Gdman(18, 4, "MAN");
910 gMC->Gdopt("hide","off");
913 //_____________________________________________________________________________
914 void AliTOFv2FHoles::DrawDetectorStrips()
917 // Draw a shaded view of the TOF strips for version 2
920 AliMC* pMC = AliMC::GetMC();
922 //Set ALIC mother transparent
923 pMC->Gsatt("ALIC","SEEN",0);
926 //Set volumes visible
928 // Level 1 for TOF volumes
929 gMC->Gsatt("B077","seen",0);
931 //==========> Level 2
933 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
934 gMC->Gsatt("B071","seen",0);
935 gMC->Gsatt("B074","seen",0);
936 gMC->Gsatt("B075","seen",0);
937 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
940 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
941 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
942 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
943 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
944 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
945 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
946 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
947 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
948 gMC->Gsatt("BTO1","seen",0);
950 // ==================> Level 3
951 // Level 3 of B071 / Level 2 of BTO1
952 gMC->Gsatt("FTOC","seen",0);
953 gMC->Gsatt("FTOB","seen",0);
954 gMC->Gsatt("FTOA","seen",0);
956 // Level 3 of B074 / Level 2 of BTO2
957 // -> cfr previous settings
959 // Level 3 of B075 / Level 2 of BTO3
960 // -> cfr previous settings
963 // ==========================> Level 4
964 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
965 gMC->Gsatt("FLTC","seen",0);
966 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
967 gMC->Gsatt("FLTB","seen",0);
968 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
969 gMC->Gsatt("FLTA","seen",0);
971 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
972 // -> cfr previous settings
973 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
974 // -> cfr previous settings
976 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
977 // -> cfr previous settings
979 //======================================> Level 5
980 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
981 gMC->Gsatt("FALC","seen",0); // no children for FALC
982 gMC->Gsatt("FSTR","seen",-2);
983 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
984 gMC->Gsatt("FECC","seen",0); // no children for FECC
985 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
986 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
988 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
989 gMC->Gsatt("FALB","seen",0); // no children for FALB
990 //--> gMC->Gsatt("FSTR","seen",-2);
993 // -> cfr previous settings
994 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
995 gMC->Gsatt("FECB","seen",0); // no children for FECB
996 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
997 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
999 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
1000 gMC->Gsatt("FALA","seen",0); // no children for FALB
1001 //--> gMC->Gsatt("FSTR","seen",-2);
1002 // -> cfr previous settings
1003 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
1004 gMC->Gsatt("FECA","seen",0); // no children for FECA
1005 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
1006 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
1009 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
1010 gMC->Gsatt("BTO2","seen",0);
1013 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
1014 gMC->Gsatt("BTO3","seen",0);
1016 // for others Level 5, cfr. previous settings
1018 gMC->Gdopt("hide","on");
1019 gMC->Gdopt("shad","on");
1020 gMC->Gsatt("*", "fill", 5);
1021 gMC->SetClipBox(".");
1022 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1023 gMC->DefaultRange();
1024 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1025 gMC->Gdhead(1111,"TOF Strips V1");
1026 gMC->Gdman(18, 4, "MAN");
1027 gMC->Gdopt("hide","off");
1030 //_____________________________________________________________________________
1031 void AliTOFv2FHoles::CreateMaterials()
1034 // Define materials for the Time Of Flight
1036 AliTOF::CreateMaterials();
1039 //_____________________________________________________________________________
1040 void AliTOFv2FHoles::Init()
1043 // Initialise the detector after the geometry has been defined
1046 printf("%s: **************************************"
1048 "**************************************\n",ClassName());
1049 printf("\n%s: Version 2 of TOF initialing, "
1050 "TOF with holes for PHOS and RICH \n",ClassName());
1055 fIdFTOA = gMC->VolId("FTOA");
1056 fIdFTOB = gMC->VolId("FTOB");
1057 fIdFTOC = gMC->VolId("FTOC");
1058 fIdFLTA = gMC->VolId("FLTA");
1059 fIdFLTB = gMC->VolId("FLTB");
1060 fIdFLTC = gMC->VolId("FLTC");
1063 printf("%s: **************************************"
1065 "**************************************\n",ClassName());
1069 //_____________________________________________________________________________
1070 void AliTOFv2FHoles::StepManager()
1073 // Procedure called at each step in the Time Of Flight
1075 TLorentzVector mom, pos;
1076 Float_t xm[3],pm[3],xpad[3],ppad[3];
1077 Float_t hits[13],phi,phid,z;
1079 Int_t sector, plate, padx, padz, strip;
1080 Int_t copy, padzid, padxid, stripid, i;
1081 Int_t *idtmed = fIdtmed->GetArray()-499;
1082 Float_t incidenceAngle;
1084 if(gMC->GetMedium()==idtmed[513] &&
1085 gMC->IsTrackEntering() && gMC->TrackCharge()
1086 && gMC->CurrentVolID(copy)==fIdSens)
1088 // getting information about hit volumes
1090 padzid=gMC->CurrentVolOffID(2,copy);
1093 padxid=gMC->CurrentVolOffID(1,copy);
1096 stripid=gMC->CurrentVolOffID(4,copy);
1099 gMC->TrackPosition(pos);
1100 gMC->TrackMomentum(mom);
1102 // Double_t NormPos=1./pos.Rho();
1103 Double_t normMom=1./mom.Rho();
1105 // getting the cohordinates in pad ref system
1106 xm[0] = (Float_t)pos.X();
1107 xm[1] = (Float_t)pos.Y();
1108 xm[2] = (Float_t)pos.Z();
1110 pm[0] = (Float_t)mom.X()*normMom;
1111 pm[1] = (Float_t)mom.Y()*normMom;
1112 pm[2] = (Float_t)mom.Z()*normMom;
1114 gMC->Gmtod(xm,xpad,1);
1115 gMC->Gmtod(pm,ppad,2);
1117 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1124 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1125 if (z < (fZlenA*0.5+fZlenB) &&
1126 z > fZlenA*0.5) plate = 4;
1127 if (z >-(fZlenA*0.5+fZlenB) &&
1128 z < -fZlenA*0.5) plate = 2;
1129 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1130 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1131 end to be changed */
1133 if (TMath::Abs(z) <= 124.*0.5) plate = 3;
1134 if (z < (124.*0.5+154.) &&
1135 z > 124.*0.5) plate = 4;
1136 if (z >-(124.*0.5+154.) &&
1137 z < -124.*0.5) plate = 2;
1138 if (z > (124.*0.5+154.)) plate = 5;
1139 if (z <-(124.*0.5+154.)) plate = 1;
1143 phid = phi*kRaddeg+180.;
1144 sector = Int_t (phid/20.);
1152 hits[6] = mom.Rho();
1157 hits[11]= incidenceAngle;
1158 hits[12]= gMC->Edep();
1166 AddHit(gAlice->CurrentTrack(),vol, hits);