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d599d913 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
88cb7938 16/* $Id$ */
d599d913 17
18///////////////////////////////////////////////////////////////////////////////
da3d3acd 19// //
d599d913 20// This class contains the functions for version 4 of the Time Of Flight //
21// detector. //
da3d3acd 22// //
23// VERSION WITH 5 MODULES AND TILTED STRIPS //
24// //
0f4a7374 25// FULL COVERAGE VERSION +OPTION for PHOS holes //
da3d3acd 26// //
27// Author: //
28// Fabrizio Pierella //
29// University of Bologna - Italy //
30// //
31// //
32//Begin_Html //
33/* //
34<img src="picts/AliTOFv4T0Class.gif"> //
35*/ //
36//End_Html //
d599d913 37// //
38///////////////////////////////////////////////////////////////////////////////
39
0e46b9ae 40#include "TBRIK.h"
41#include "TGeometry.h"
42#include "TLorentzVector.h"
43#include "TNode.h"
d3c7bfac 44#include "TVirtualMC.h"
d599d913 45
88cb7938 46#include "AliConst.h"
0e46b9ae 47#include "AliLog.h"
d3c7bfac 48#include "AliMagF.h"
0e46b9ae 49#include "AliMC.h"
50#include "AliRun.h"
d3c7bfac 51
52#include "AliTOFGeometry.h"
53#include "AliTOFGeometryV4.h"
54#include "AliTOFv4T0.h"
55
0e46b9ae 56extern TDirectory *gDirectory;
57extern TVirtualMC *gMC;
58
59extern AliRun *gAlice;
60
d599d913 61ClassImp(AliTOFv4T0)
d3c7bfac 62
d599d913 63//_____________________________________________________________________________
64AliTOFv4T0::AliTOFv4T0()
65{
66 //
67 // Default constructor
68 //
69}
70
71//_____________________________________________________________________________
72AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
73 : AliTOF(name,title,"tzero")
74{
75 //
76 // Standard constructor
77 //
78 //
79 // Check that FRAME is there otherwise we have no place where to
80 // put TOF
0f4a7374 81
82
0e46b9ae 83 AliModule* frame = (AliModule*)gAlice->GetModule("FRAME");
d599d913 84 if(!frame) {
d076c8d5 85 AliFatal("TOF needs FRAME to be present");
0f4a7374 86 } else{
87
88 if (fTOFGeometry) delete fTOFGeometry;
d3c7bfac 89 fTOFGeometry = new AliTOFGeometryV4();
d599d913 90
0f4a7374 91 if(frame->IsVersion()==1) {
d076c8d5 92 AliInfo(Form("Frame version %d", frame->IsVersion()));
93 AliInfo("Full Coverage for TOF");
0f4a7374 94 fTOFHoles=false;}
95 else {
d076c8d5 96 AliInfo(Form("Frame version %d", frame->IsVersion()));
97 AliInfo("TOF with Holes for PHOS");
0f4a7374 98 fTOFHoles=true;}
99 }
74ea065c 100 fTOFGeometry->SetHoles(fTOFHoles);
d3c7bfac 101
102 // Save the geometry
103 TDirectory* saveDir = gDirectory;
104 gAlice->GetRunLoader()->CdGAFile();
105 fTOFGeometry->Write("TOFgeometry");
106 saveDir->cd();
107
0f4a7374 108}
d599d913 109
0f4a7374 110//____________________________________________________________________________
d599d913 111void AliTOFv4T0::BuildGeometry()
112{
113 //
114 // Build TOF ROOT geometry for the ALICE event display
115 //
116 TNode *node, *top;
117 const int kColorTOF = 27;
9e9add11 118
0e46b9ae 119 TGeometry *globalGeometry = (TGeometry*)gAlice->GetGeometry();
120
d599d913 121 // Find top TNODE
0e46b9ae 122 top = (TNode*)globalGeometry->GetNode("alice");
9e9add11 123
d599d913 124 // Position the different copies
d3c7bfac 125 const Float_t krTof =(fTOFGeometry->Rmax()+fTOFGeometry->Rmin())/2.;
126 const Float_t khTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
127 const Int_t kNTof = fTOFGeometry->NSectors();
7e6dce66 128 const Float_t kPi = TMath::Pi();
d599d913 129 const Float_t kangle = 2*kPi/kNTof;
130 Float_t ang;
9e9add11 131
132 // define offset for nodes
d3c7bfac 133 Float_t zOffsetC = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC()*0.5;
134 Float_t zOffsetB = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC() - fTOFGeometry->ZlenB()*0.5;
9e9add11 135 Float_t zOffsetA = 0.;
d599d913 136 // Define TOF basic volume
137
da3d3acd 138 char nodeName0[7], nodeName1[7], nodeName2[7];
d599d913 139 char nodeName3[7], nodeName4[7], rotMatNum[7];
9e9add11 140
d599d913 141 new TBRIK("S_TOF_C","TOF box","void",
d3c7bfac 142 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenC()*0.5);
d599d913 143 new TBRIK("S_TOF_B","TOF box","void",
d3c7bfac 144 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenB()*0.5);
d599d913 145 new TBRIK("S_TOF_A","TOF box","void",
d3c7bfac 146 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenA()*0.5);
9e9add11 147
d599d913 148 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
9e9add11 149
150 if (nodeNum<10) {
151 sprintf(rotMatNum,"rot50%i",nodeNum);
152 sprintf(nodeName0,"FTO00%i",nodeNum);
153 sprintf(nodeName1,"FTO10%i",nodeNum);
154 sprintf(nodeName2,"FTO20%i",nodeNum);
155 sprintf(nodeName3,"FTO30%i",nodeNum);
156 sprintf(nodeName4,"FTO40%i",nodeNum);
157 }
158 if (nodeNum>9) {
159 sprintf(rotMatNum,"rot5%i",nodeNum);
160 sprintf(nodeName0,"FTO0%i",nodeNum);
161 sprintf(nodeName1,"FTO1%i",nodeNum);
162 sprintf(nodeName2,"FTO2%i",nodeNum);
163 sprintf(nodeName3,"FTO3%i",nodeNum);
164 sprintf(nodeName4,"FTO4%i",nodeNum);
165 }
166
167 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
168 ang = (4.5-nodeNum) * kangle;
169
170 top->cd();
d3c7bfac 171 node = new TNode(nodeName0,nodeName0,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetC,rotMatNum);
9e9add11 172 node->SetLineColor(kColorTOF);
da3d3acd 173 fNodes->Add(node);
9e9add11 174
da3d3acd 175 top->cd();
d3c7bfac 176 node = new TNode(nodeName1,nodeName1,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
9e9add11 177 node->SetLineColor(kColorTOF);
da3d3acd 178 fNodes->Add(node);
9e9add11 179
180 top->cd();
d3c7bfac 181 node = new TNode(nodeName2,nodeName2,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetB,rotMatNum);
9e9add11 182 node->SetLineColor(kColorTOF);
da3d3acd 183 fNodes->Add(node);
9e9add11 184
185 top->cd();
d3c7bfac 186 node = new TNode(nodeName3,nodeName3,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
9e9add11 187 node->SetLineColor(kColorTOF);
da3d3acd 188 fNodes->Add(node);
9e9add11 189
190 top->cd();
d3c7bfac 191 node = new TNode(nodeName4,nodeName4,"S_TOF_A", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetA,rotMatNum);
9e9add11 192 node->SetLineColor(kColorTOF);
da3d3acd 193 fNodes->Add(node);
d599d913 194 } // end loop on nodeNum
d599d913 195
d3c7bfac 196}
d599d913 197
198//_____________________________________________________________________________
199void AliTOFv4T0::CreateGeometry()
200{
201 //
202 // Create geometry for Time Of Flight version 0
203 //
204 //Begin_Html
205 /*
206 <img src="picts/AliTOFv4T0.gif">
207 */
208 //End_Html
209 //
210 // Creates common geometry
211 //
212 AliTOF::CreateGeometry();
213}
214
0f4a7374 215
d599d913 216//_____________________________________________________________________________
217void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
218 Float_t zlenB, Float_t zlenA, Float_t ztof0)
219{
220 //
221 // Definition of the Time Of Fligh Resistive Plate Chambers
222 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
d3c7bfac 223
0f4a7374 224 Float_t ycoor;
d599d913 225 Float_t par[3];
226 Int_t *idtmed = fIdtmed->GetArray()-499;
227 Int_t idrotm[100];
228 Int_t nrot = 0;
0f4a7374 229
d3c7bfac 230 Float_t radius = fTOFGeometry->Rmin()+2.;//cm
0f4a7374 231
d599d913 232 par[0] = xtof * 0.5;
233 par[1] = ytof * 0.5;
234 par[2] = zlenC * 0.5;
235 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
236 par[2] = zlenB * 0.5;
237 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
238 par[2] = zlenA * 0.5;
239 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
43808676 240
241
242 // Positioning of modules
243
244 Float_t zcor1 = ztof0 - zlenC*0.5;
245 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
246 Float_t zcor3 = 0.;
247
248 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
249 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
0f4a7374 250
43808676 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, zcor1, 0, idrotm[0], "ONLY");
254 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
255 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
256 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
257
258 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
259 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
260 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
261 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
262 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
263 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
264
265 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
0f4a7374 266 if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
43808676 267 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
268
0f4a7374 269
7e6dce66 270 Float_t db = 0.5; // cm
d599d913 271 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
43808676 272
d3c7bfac 273 xFLT = fTOFGeometry->StripLength();
d599d913 274 yFLT = ytof;
275 zFLTA = zlenA;
276 zFLTB = zlenB;
277 zFLTC = zlenC;
43808676 278
d3c7bfac 279 xFST = xFLT - dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndX()*2.; // cm
43808676 280
281 // Sizes of MRPC pads
282
7e6dce66 283 Float_t yPad = 0.505; //cm
d599d913 284
43808676 285 // Large not sensitive volumes with Insensitive Freon
d599d913 286 par[0] = xFLT*0.5;
287 par[1] = yFLT*0.5;
288
d076c8d5 289 AliDebug(1, "************************* TOF geometry **************************");
43808676 290
d599d913 291 par[2] = (zFLTA *0.5);
292 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
293 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
43808676 294
d599d913 295 par[2] = (zFLTB * 0.5);
296 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
297 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
43808676 298
d599d913 299 par[2] = (zFLTC * 0.5);
300 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
301 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
43808676 302
303 ///// Layers of Aluminum before and after detector /////
304 ///// Aluminum Box for Modules (1.8 mm thickness) /////
305 ///// lateral walls not simulated for the time being
0f4a7374 306 // const Float_t khAlWall = 0.18;
43808676 307 // fp to be checked
308 const Float_t khAlWall = 0.11;
d599d913 309 par[0] = xFLT*0.5;
7e6dce66 310 par[1] = khAlWall/2.; // cm
d599d913 311 ycoor = -yFLT/2 + par[1];
312 par[2] = (zFLTA *0.5);
313 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
314 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
315 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
316 par[2] = (zFLTB *0.5);
317 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
318 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
319 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
320 par[2] = (zFLTC *0.5);
321 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
322 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
323 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
324
43808676 325 ///////////////// Detector itself //////////////////////
326
d3c7bfac 327 const Float_t kdeadBound = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndZ(); //cm non-sensitive between the pad edge
43808676 328 //and the boundary of the strip
d3c7bfac 329 const Int_t knx = fTOFGeometry->NpadX(); // number of pads along x
330 const Int_t knz = fTOFGeometry->NpadZ(); // number of pads along z
43808676 331
d3c7bfac 332 Float_t zSenStrip = fTOFGeometry->ZPad() * fTOFGeometry->NpadZ(); // cm
d599d913 333 Float_t stripWidth = zSenStrip + 2*kdeadBound;
43808676 334
d599d913 335 par[0] = xFLT*0.5;
da3d3acd 336 par[1] = yPad*0.5;
d599d913 337 par[2] = stripWidth*0.5;
338
43808676 339 // new description for strip volume -double stack strip-
340 // -- all constants are expressed in cm
341 // heigth of different layers
342 const Float_t khhony = 0.8 ; // heigth of HONY Layer
343 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
d599d913 344 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
345 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
7e6dce66 346 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
d599d913 347 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
348 const Float_t kwsensmz = 2*3.5 ; // cm
349 const Float_t klsensmx = 48*2.5; // cm
350 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
351 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
352
353 // heigth of the FSTR Volume (the strip volume)
354 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
355 // width of the FSTR Volume (the strip volume)
356 const Float_t kwstripz = 10.;
357 // length of the FSTR Volume (the strip volume)
358 const Float_t klstripx = 122.;
359
360 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
7e6dce66 361 // Coordinates of the strip center in the strip reference frame;
0f4a7374 362 // used for positioninG internal strip volumes
da3d3acd 363 Float_t posfp[3]={0.,0.,0.};
43808676 364
d599d913 365
0f4a7374 366 // FSTR volume definition-filling this volume with non sensitive Gas Mixture
d599d913 367 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
368 //-- HONY Layer definition
43808676 369 // parfp[0] = -1;
d599d913 370 parfp[1] = khhony*0.5;
43808676 371 // parfp[2] = -1;
d599d913 372 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
373 // positioning 2 HONY Layers on FSTR volume
43808676 374
d599d913 375 posfp[1]=-khstripy*0.5+parfp[1];
376 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
377 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 378
d599d913 379 //-- PCB Layer definition
0f4a7374 380
d599d913 381 parfp[1] = khpcby*0.5;
382 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
383 // positioning 2 PCB Layers on FSTR volume
384 posfp[1]=-khstripy*0.5+khhony+parfp[1];
385 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
386 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
387 // positioning the central PCB layer
388 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
43808676 389
390
391
d599d913 392 //-- MYLAR Layer definition
0f4a7374 393
d599d913 394 parfp[1] = khmyly*0.5;
395 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
396 // positioning 2 MYLAR Layers on FSTR volume
da3d3acd 397 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
d599d913 398 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
399 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
400 // adding further 2 MYLAR Layers on FSTR volume
401 posfp[1] = khpcby*0.5+parfp[1];
402 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
403 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 404
405
d599d913 406 //-- Graphite Layer definition
0f4a7374 407
d599d913 408 parfp[1] = khgraphy*0.5;
409 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
410 // positioning 2 Graphite Layers on FSTR volume
411 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
412 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
413 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
414 // adding further 2 Graphite Layers on FSTR volume
415 posfp[1] = khpcby*0.5+khmyly+parfp[1];
416 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
417 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 418
419
d599d913 420 //-- Glass (EXT. +Semi INT.) Layer definition
0f4a7374 421
d599d913 422 parfp[1] = khglasseiy*0.5;
423 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
424 // positioning 2 Glass Layers on FSTR volume
425 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
426 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
427 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
428 // adding further 2 Glass Layers on FSTR volume
429 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
430 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
431 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 432
d599d913 433
434 //-- Sensitive Mixture Layer definition
0f4a7374 435
d599d913 436 parfp[0] = klsensmx*0.5;
437 parfp[1] = khsensmy*0.5;
438 parfp[2] = kwsensmz*0.5;
439 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
440 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
441 // positioning 2 gas Layers on FSTR volume
442 // the upper is insensitive freon
443 // while the remaining is sensitive
444 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
445 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
446 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
43808676 447
d599d913 448 // dividing FSEN along z in knz=2 and along x in knx=48
0f4a7374 449
d599d913 450 gMC->Gsdvn("FSEZ","FSEN",knz,3);
451 gMC->Gsdvn("FSEX","FSEZ",knx,1);
452
453 // FPAD volume definition
0f4a7374 454
da3d3acd 455 parfp[0] = klpadx*0.5;
d599d913 456 parfp[1] = khsensmy*0.5;
457 parfp[2] = kwpadz*0.5;
458 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
459 // positioning the FPAD volumes on previous divisions
460 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
461
da3d3acd 462
0f4a7374 463 ///////////////////Positioning A module//////////////////////////
da3d3acd 464
0f4a7374 465
466 for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
467
468 Float_t ang = fTOFGeometry->GetAngles(2,istrip);
469 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 470 ang /= kRaddeg;
0f4a7374 471 Float_t zpos = tan(ang)*radius;
472 Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
d3c7bfac 473 gMC->Gspos("FSTR",fTOFGeometry->NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0], "ONLY");
d076c8d5 474 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
da3d3acd 475 }
0f4a7374 476
477
478 ///////////////////Positioning B module//////////////////////////
479
480 for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
481
482 Float_t ang = fTOFGeometry->GetAngles(3,istrip);
483 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 484 ang /= kRaddeg;
0f4a7374 485 Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
486 Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
487 gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot], "ONLY");
d076c8d5 488 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
0f4a7374 489 }
490
43808676 491
0f4a7374 492 ///////////////////Positioning C module//////////////////////////
493
494 for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
495
496 Float_t ang = fTOFGeometry->GetAngles(4,istrip);
497 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 498 ang /= kRaddeg;
0f4a7374 499 Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
500 Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
501 gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot], "ONLY");
d076c8d5 502 AliDebug(1, Form("y = %f, z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
0f4a7374 503 }
504
43808676 505 ////////// Layers after strips /////////////////
506 // Al Layer thickness (2.3mm) factor 0.7
507
d3c7bfac 508 Float_t overSpace = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->OverSpc();//cm
43808676 509
d599d913 510 par[0] = xFLT*0.5;
43808676 511 par[1] = 0.115*0.7; // factor 0.7
d599d913 512 par[2] = (zFLTA *0.5);
513 ycoor = -yFLT/2 + overSpace + par[1];
43808676 514 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
d599d913 515 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
516 par[2] = (zFLTB *0.5);
43808676 517 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
d599d913 518 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
519 par[2] = (zFLTC *0.5);
43808676 520 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
d599d913 521 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 522
523
524 // plexiglass thickness: 1.5 mm ; factor 0.3
0f4a7374 525
d599d913 526 ycoor += par[1];
527 par[0] = xFLT*0.5;
43808676 528 par[1] = 0.075*0.3; // factor 0.3
d599d913 529 par[2] = (zFLTA *0.5);
530 ycoor += par[1];
43808676 531 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 532 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
533 par[2] = (zFLTB *0.5);
43808676 534 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 535 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
536 par[2] = (zFLTC *0.5);
43808676 537 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 538 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 539
540 // frame of Air
0f4a7374 541
d599d913 542 ycoor += par[1];
543 par[0] = xFLT*0.5;
43808676 544 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
d599d913 545 par[2] = (zFLTA *0.5);
546 ycoor += par[1];
547 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
548 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
549 par[2] = (zFLTB *0.5);
550 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
551 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
552 par[2] = (zFLTC *0.5);
553 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
554 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 555
556
557 // start with cards and cooling tubes
558 // finally, cards, cooling tubes and layer for thermal dispersion
559 // 3 volumes
560 // card volume definition
561
562 // see GEOM200 in GEANT manual
0f4a7374 563
564
43808676 565 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
566
567 Float_t cardpar[3];
568 cardpar[0]= 61.;
569 cardpar[1]= 5.;
570 cardpar[2]= 0.1;
571 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
572 //alu plate volume definition
573 cardpar[1]= 3.5;
574 cardpar[2]= 0.05;
575 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
576
577
578 // central module positioning (FAIA)
579 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
580 cardpos[0]= 0.;
581 cardpos[1]= -0.5;
582 cardpos[2]= -53.;
583 Float_t aplpos1 = -2.;
584 Int_t icard;
0f4a7374 585 for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
43808676 586 cardpos[2]= cardpos[2]+stepforcardA;
587 aplpos2 = cardpos[2]+0.15;
da3d3acd 588 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
43808676 589 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
590
591 }
592
593
594 // intermediate module positioning (FAIB)
595 Float_t stepforcardB= 7.05;
596 cardpos[2]= -70.5;
0f4a7374 597 for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
43808676 598 cardpos[2]= cardpos[2]+stepforcardB;
da3d3acd 599 aplpos2 = cardpos[2]+0.15;
600 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
601 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
43808676 602 }
603
604
605 // outer module positioning (FAIC)
606 Float_t stepforcardC= 8.45238;
607 cardpos[2]= -88.75;
0f4a7374 608 for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
43808676 609 cardpos[2]= cardpos[2]+stepforcardC;
610 aplpos2 = cardpos[2]+0.15;
da3d3acd 611 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
43808676 612 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
613 }
614
615 // tube volume definition
0f4a7374 616
43808676 617 Float_t tubepar[3];
618 tubepar[0]= 0.;
619 tubepar[1]= 0.4;
620 tubepar[2]= 61.;
621 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
622 tubepar[0]= 0.;
623 tubepar[1]= 0.35;
624 tubepar[2]= 61.;
625 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
626 // positioning water tube into the steel one
627 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
628
629
630 // rotation matrix
631 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
632 // central module positioning (FAIA)
633 Float_t tubepos[3], tdis=0.6;
634 tubepos[0]= 0.;
635 tubepos[1]= cardpos[1];
636 tubepos[2]= -53.+tdis;
637 // tub1pos = 5.;
638 Int_t itub;
0f4a7374 639 for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
43808676 640 tubepos[2]= tubepos[2]+stepforcardA;
641 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
642 "ONLY");
643 }
644
645
646 // intermediate module positioning (FAIB)
647 tubepos[2]= -70.5+tdis;
0f4a7374 648 for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
43808676 649 tubepos[2]= tubepos[2]+stepforcardB;
650 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
651 "ONLY");
652 }
653
654 // outer module positioning (FAIC)
655 tubepos[2]= -88.75+tdis;
0f4a7374 656 for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
43808676 657 tubepos[2]= tubepos[2]+stepforcardC;
658 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
659 "ONLY");
660 }
661
d599d913 662}
d599d913 663//_____________________________________________________________________________
ba380e33 664void AliTOFv4T0::DrawModule() const
d599d913 665{
666 //
667 // Draw a shaded view of the Time Of Flight version 4
668 //
669 // Set everything unseen
670 gMC->Gsatt("*", "seen", -1);
671 //
672 // Set ALIC mother transparent
673 gMC->Gsatt("ALIC","SEEN",0);
674 //
675 // Set the volumes visible
676 gMC->Gsatt("ALIC","SEEN",0);
677
678 gMC->Gsatt("FTOA","SEEN",1);
679 gMC->Gsatt("FTOB","SEEN",1);
680 gMC->Gsatt("FTOC","SEEN",1);
681 gMC->Gsatt("FLTA","SEEN",1);
682 gMC->Gsatt("FLTB","SEEN",1);
683 gMC->Gsatt("FLTC","SEEN",1);
684 gMC->Gsatt("FPLA","SEEN",1);
685 gMC->Gsatt("FPLB","SEEN",1);
686 gMC->Gsatt("FPLC","SEEN",1);
687 gMC->Gsatt("FSTR","SEEN",1);
688 gMC->Gsatt("FPEA","SEEN",1);
689 gMC->Gsatt("FPEB","SEEN",1);
690 gMC->Gsatt("FPEC","SEEN",1);
691
692 gMC->Gsatt("FLZ1","SEEN",0);
693 gMC->Gsatt("FLZ2","SEEN",0);
694 gMC->Gsatt("FLZ3","SEEN",0);
695 gMC->Gsatt("FLX1","SEEN",0);
696 gMC->Gsatt("FLX2","SEEN",0);
697 gMC->Gsatt("FLX3","SEEN",0);
698 gMC->Gsatt("FPAD","SEEN",0);
699
700 gMC->Gdopt("hide", "on");
701 gMC->Gdopt("shad", "on");
702 gMC->Gsatt("*", "fill", 7);
703 gMC->SetClipBox(".");
704 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
705 gMC->DefaultRange();
706 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
707 gMC->Gdhead(1111, "Time Of Flight");
708 gMC->Gdman(18, 4, "MAN");
709 gMC->Gdopt("hide","off");
710}
711//_____________________________________________________________________________
7aeeaf38 712void AliTOFv4T0::DrawDetectorModules() const
d599d913 713{
714//
715// Draw a shaded view of the TOF detector version 4
716//
717
88cb7938 718
719//Set ALIC mother transparent
4c475d27 720 gMC->Gsatt("ALIC","SEEN",0);
d599d913 721
722//
723//Set volumes visible
724//
725//=====> Level 1
726 // Level 1 for TOF volumes
727 gMC->Gsatt("B077","seen",0);
728
729
730//==========> Level 2
731 // Level 2
732 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
733 gMC->Gsatt("B071","seen",0);
734 gMC->Gsatt("B074","seen",0);
735 gMC->Gsatt("B075","seen",0);
736 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
737
738
739 // Level 2 of B071
740 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
741 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
742 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
743 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
744 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
745 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
746 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
747 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
748 gMC->Gsatt("BTO1","seen",0);
749
750
751 // Level 2 of B074
752 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
753 gMC->Gsatt("BTO2","seen",0);
754
755 // Level 2 of B075
756 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
757 gMC->Gsatt("BTO3","seen",0);
758
759// ==================> Level 3
760 // Level 3 of B071 / Level 2 of BTO1
761 gMC->Gsatt("FTOC","seen",-2);
762 gMC->Gsatt("FTOB","seen",-2);
763 gMC->Gsatt("FTOA","seen",-2);
764
765 // Level 3 of B074 / Level 2 of BTO2
766 // -> cfr previous settings
767
768 // Level 3 of B075 / Level 2 of BTO3
769 // -> cfr previous settings
770
771 gMC->Gdopt("hide","on");
772 gMC->Gdopt("shad","on");
773 gMC->Gsatt("*", "fill", 5);
774 gMC->SetClipBox(".");
775 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
776 gMC->DefaultRange();
777 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
778 gMC->Gdhead(1111,"TOF detector V1");
779 gMC->Gdman(18, 4, "MAN");
780 gMC->Gdopt("hide","off");
781}
782
783//_____________________________________________________________________________
7aeeaf38 784void AliTOFv4T0::DrawDetectorStrips() const
d599d913 785{
786 //
787 // Draw a shaded view of the TOF strips for version 4
788 //
789
d599d913 790 //Set ALIC mother transparent
4c475d27 791 gMC->Gsatt("ALIC","SEEN",0);
d599d913 792
793 //
794 //Set volumes visible
795 //=====> Level 1
796 // Level 1 for TOF volumes
797 gMC->Gsatt("B077","seen",0);
798
799 //==========> Level 2
800 // Level 2
801 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
802 gMC->Gsatt("B071","seen",0);
803 gMC->Gsatt("B074","seen",0);
804 gMC->Gsatt("B075","seen",0);
805 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
806
807 // Level 2 of B071
808 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
809 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
810 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
811 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
812 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
813 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
814 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
815 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
816 gMC->Gsatt("BTO1","seen",0);
817
818 // ==================> Level 3
819 // Level 3 of B071 / Level 2 of BTO1
820 gMC->Gsatt("FTOC","seen",0);
821 gMC->Gsatt("FTOB","seen",0);
822 gMC->Gsatt("FTOA","seen",0);
823
824 // Level 3 of B074 / Level 2 of BTO2
825 // -> cfr previous settings
826
827 // Level 3 of B075 / Level 2 of BTO3
828 // -> cfr previous settings
829
830
831 // ==========================> Level 4
832 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
833 gMC->Gsatt("FLTC","seen",0);
834 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
835 gMC->Gsatt("FLTB","seen",0);
836 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
837 gMC->Gsatt("FLTA","seen",0);
838
839 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
840 // -> cfr previous settings
841 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
842 // -> cfr previous settings
843
844 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
845 // -> cfr previous settings
846
847 //======================================> Level 5
848 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
849 gMC->Gsatt("FALC","seen",0); // no children for FALC
850 gMC->Gsatt("FSTR","seen",-2);
851 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
852 gMC->Gsatt("FECC","seen",0); // no children for FECC
853 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
854 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
855
856 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
857 gMC->Gsatt("FALB","seen",0); // no children for FALB
858 //--> gMC->Gsatt("FSTR","seen",-2);
859
860
861 // -> cfr previous settings
862 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
863 gMC->Gsatt("FECB","seen",0); // no children for FECB
864 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
865 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
866
867 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
868 gMC->Gsatt("FALA","seen",0); // no children for FALB
869 //--> gMC->Gsatt("FSTR","seen",-2);
870 // -> cfr previous settings
871 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
872 gMC->Gsatt("FECA","seen",0); // no children for FECA
873 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
874 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
875
876 // Level 2 of B074
877 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
878 gMC->Gsatt("BTO2","seen",0);
879
880 // Level 2 of B075
881 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
882 gMC->Gsatt("BTO3","seen",0);
883
884 // for others Level 5, cfr. previous settings
885
886 gMC->Gdopt("hide","on");
887 gMC->Gdopt("shad","on");
888 gMC->Gsatt("*", "fill", 5);
889 gMC->SetClipBox(".");
890 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
891 gMC->DefaultRange();
892 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
893 gMC->Gdhead(1111,"TOF Strips V1");
894 gMC->Gdman(18, 4, "MAN");
895 gMC->Gdopt("hide","off");
896}
897
898//_____________________________________________________________________________
899void AliTOFv4T0::CreateMaterials()
900{
901 //
902 // Define materials for the Time Of Flight
903 //
d3c7bfac 904 //AliTOF::CreateMaterials();
905
906 //
907 // Defines TOF materials for all versions
908 // Revision: F. Pierella 18-VI-2002
909 //
910
0e46b9ae 911 AliMagF *magneticField = (AliMagF*)gAlice->Field();
912
913 Int_t isxfld = magneticField->Integ();
914 Float_t sxmgmx = magneticField->Max();
915
d3c7bfac 916 //--- Quartz (SiO2) to simulate float glass
917 // density tuned to have correct float glass
918 // radiation length
919 Float_t aq[2] = { 28.0855,15.9994 };
920 Float_t zq[2] = { 14.,8. };
921 Float_t wq[2] = { 1.,2. };
922 Float_t dq = 2.55; // std value: 2.2
923 Int_t nq = -2;
924
925 // --- Freon C2F4H2 (TOF-TDR pagg.)
926 // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
927 Float_t afre[3] = {12.011,18.998,1.007};
928 Float_t zfre[3] = { 6., 9., 1.};
929 Float_t wfre[3] = { 2., 4., 2.};
930 Float_t densfre = 0.00375;
931// http://www.fi.infn.it/sezione/prevprot/gas/freon.html
932 Int_t nfre = -3;
933/*
934 //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
935 Float_t aiso[2] = {12.011,1.007};
936 Float_t ziso[2] = { 6., 1.};
937 Float_t wiso[2] = { 4., 10.};
938 Float_t densiso = .......; // (g/cm3) density
939 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
940 //-- SF6 (5% in the sensitive mixture)
941 Float_t asf[3] = {32.066,18.998};
942 Float_t zsf[3] = { 16., 9.};
943 Float_t wsf[3] = { 1., 6.};
944 Float_t denssf = .....; // (g/cm3) density
945 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
946*/
947 // --- CO2
948 Float_t ac[2] = {12.,16.};
949 Float_t zc[2] = { 6., 8.};
950 Float_t wc[2] = { 1., 2.};
951 Float_t dc = .001977;
952 Int_t nc = -2;
953 // For mylar (C5H4O2)
954 Float_t amy[3] = { 12., 1., 16. };
955 Float_t zmy[3] = { 6., 1., 8. };
956 Float_t wmy[3] = { 5., 4., 2. };
957 Float_t dmy = 1.39;
958 Int_t nmy = -3;
959 // For polyethilene (CH2) - honeycomb -
960 Float_t ape[2] = { 12., 1. };
961 Float_t zpe[2] = { 6., 1. };
962 Float_t wpe[2] = { 1., 2. };
963 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
964 Int_t npe = -2;
965 // --- G10
966 Float_t ag10[4] = { 12.,1.,16.,28. };
967 Float_t zg10[4] = { 6.,1., 8.,14. };
968 Float_t wmatg10[4] = { .259,.288,.248,.205 };
969 Float_t densg10 = 1.7;
970 Int_t nlmatg10 = -4;
971
972 // plexiglass CH2=C(CH3)CO2CH3
973 Float_t aplex[3] = { 12.,1.,16.};
974 Float_t zplex[3] = { 6.,1., 8.};
975 Float_t wmatplex[3] = {5.,8.,2.};
976 Float_t densplex =1.16;
977 Int_t nplex = -3;
978
979 // ---- ALUMINA (AL203)
980 Float_t aal[2] = { 27.,16.};
981 Float_t zal[2] = { 13., 8.};
982 Float_t wmatal[2] = { 2.,3. };
983 Float_t densal = 2.3;
984 Int_t nlmatal = -2;
985 // -- Water
986 Float_t awa[2] = { 1., 16. };
987 Float_t zwa[2] = { 1., 8. };
988 Float_t wwa[2] = { 2., 1. };
989 Float_t dwa = 1.0;
990 Int_t nwa = -2;
991
992// stainless steel
993 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
994 Float_t zsteel[4] = { 26.,24.,28.,14. };
995 Float_t wsteel[4] = { .715,.18,.1,.005 };
996
997 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
998
999 // AIR
1000 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1001 Float_t zAir[4]={6.,7.,8.,18.};
1002 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1003 Float_t dAir = 1.20479E-3;
1004
1005 AliMixture( 1, "Air$", aAir, zAir, dAir, 4, wAir);
1006
1007 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
1008 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
1009 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
1010 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
1011 AliMixture ( 6, "PLE$", aplex, zplex, densplex, nplex, wmatplex);
1012 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
1013 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
1014 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
1015 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
1016 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
1017 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
1018 AliMixture (13, "Glass$", aq, zq, dq, nq, wq);
1019 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
1020 AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1021
1022 Float_t epsil, stmin, deemax, stemax;
1023
1024 // Previous data
1025 // EPSIL = 0.1 ! Tracking precision,
1026 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
1027 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
1028 // STMIN = 0.1
1029 //
1030 // New data
1031 epsil = .001; // Tracking precision,
1032 stemax = -1.; // Maximum displacement for multiple scattering
1033 deemax = -.3; // Maximum fractional energy loss, DLS
1034 stmin = -.8;
1035
1036 AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1037 AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1038 AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1039 AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1040 AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1041 AliMedium( 6, "PLE$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1042 AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
1043 AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1044 AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1045 AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1046 AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1047 AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1048 AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1049 AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1050 AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1051 AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1052 AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1053
d599d913 1054}
1055
1056//_____________________________________________________________________________
1057void AliTOFv4T0::Init()
1058{
1059 //
1060 // Initialise the detector after the geometry has been defined
1061 //
d076c8d5 1062 AliDebug(1, "**************************************"
d599d913 1063 " TOF "
d076c8d5 1064 "**************************************");
1065 AliDebug(1, " Version 4 of TOF initialing, "
1066 "symmetric TOF - Full Coverage version");
d599d913 1067
1068 AliTOF::Init();
1069
1070 fIdFTOA = gMC->VolId("FTOA");
1071 fIdFTOB = gMC->VolId("FTOB");
1072 fIdFTOC = gMC->VolId("FTOC");
1073 fIdFLTA = gMC->VolId("FLTA");
1074 fIdFLTB = gMC->VolId("FLTB");
1075 fIdFLTC = gMC->VolId("FLTC");
1076
d076c8d5 1077 AliDebug(1, "**************************************"
d599d913 1078 " TOF "
d076c8d5 1079 "**************************************");
d599d913 1080}
1081
1082//_____________________________________________________________________________
1083void AliTOFv4T0::StepManager()
1084{
0f4a7374 1085
d599d913 1086 //
1087 // Procedure called at each step in the Time Of Flight
1088 //
0f4a7374 1089
d599d913 1090 TLorentzVector mom, pos;
1091 Float_t xm[3],pm[3],xpad[3],ppad[3];
71fc848f 1092 Float_t hits[14];
d599d913 1093 Int_t vol[5];
1094 Int_t sector, plate, padx, padz, strip;
1095 Int_t copy, padzid, padxid, stripid, i;
1096 Int_t *idtmed = fIdtmed->GetArray()-499;
1097 Float_t incidenceAngle;
0f4a7374 1098
d3c7bfac 1099 if(
1100 gMC->IsTrackEntering()
1101 && gMC->TrackCharge()
1ac1b685 1102 //&& gMC->GetMedium()==idtmed[513]
71fc848f 1103 && gMC->CurrentMedium()==idtmed[513]
d3c7bfac 1104 && gMC->CurrentVolID(copy)==fIdSens
1105 )
74ea065c 1106 {
1107
0e46b9ae 1108 AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
1109
1110 AddTrackReference(mcApplication->GetCurrentTrackNumber());
1111 //AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
74ea065c 1112
d599d913 1113 // getting information about hit volumes
1114
1115 padzid=gMC->CurrentVolOffID(2,copy);
da3d3acd 1116 padz=copy;
0f4a7374 1117
d599d913 1118
1119 padxid=gMC->CurrentVolOffID(1,copy);
da3d3acd 1120 padx=copy;
d599d913 1121
1122 stripid=gMC->CurrentVolOffID(4,copy);
da3d3acd 1123 strip=copy;
d599d913 1124
1125 gMC->TrackPosition(pos);
1126 gMC->TrackMomentum(mom);
1127
0f4a7374 1128
1129 // Double_t NormPos=1./pos.Rho();
1130
d599d913 1131 Double_t normMom=1./mom.Rho();
1132
0f4a7374 1133 // getting the cohordinates in pad ref system
1134
d599d913 1135 xm[0] = (Float_t)pos.X();
1136 xm[1] = (Float_t)pos.Y();
1137 xm[2] = (Float_t)pos.Z();
1138
1139 pm[0] = (Float_t)mom.X()*normMom;
1140 pm[1] = (Float_t)mom.Y()*normMom;
1141 pm[2] = (Float_t)mom.Z()*normMom;
1142
1143 gMC->Gmtod(xm,xpad,1);
1144 gMC->Gmtod(pm,ppad,2);
1145
644cbb5e 1146
1147 if (TMath::Abs(ppad[1])>1) {
d076c8d5 1148 AliWarning("Abs(ppad) > 1");
644cbb5e 1149 ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
1150 }
d599d913 1151 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1152
0f4a7374 1153
71fc848f 1154 const char * pathA="FTOA";
1155 const char * pathB="FTOB";
1156 const char * pathC="FTOC";
1157 const char * path71="B071";
1158 const char * path75="B075";
1159 const char * path74="B074";
1160 const char* volpath;
d599d913 1161
71fc848f 1162 Int_t index=0;
1163 volpath=gMC->CurrentVolOffName(6);
1164 index=gMC->CurrentVolOffID(6,copy);
1165 index=copy;
1166
1167
1168 plate=-1;
1169 if(strcmp(pathC,volpath)==0 && index==1)plate=0;
1170 if(strcmp(pathB,volpath)==0 && index==1)plate=1;
1171 if(strcmp(pathA,volpath)==0 && index==0)plate=2;
1172 if(strcmp(pathB,volpath)==0 && index==2)plate=3;
1173 if(strcmp(pathC,volpath)==0 && index==2)plate=4;
0f4a7374 1174
da3d3acd 1175
0f4a7374 1176
7e6dce66 1177 if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1178 else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1179 else strip--;
0f4a7374 1180
7e6dce66 1181 //Apply ALICE conventions for volume numbering increasing with theta, phi
0f4a7374 1182
1183 if (plate==3 || plate==4){
7e6dce66 1184 padx=fTOFGeometry->NpadX()-padx;
1185 padz=fTOFGeometry->NpadZ()-padz;
0f4a7374 1186 xpad[0]=-xpad[0];
1187 xpad[2]=-xpad[2];
1188 }
1189 else {
7e6dce66 1190 padx--;
1191 padz--;
0f4a7374 1192 }
da3d3acd 1193
da3d3acd 1194
d599d913 1195
71fc848f 1196 volpath=gMC->CurrentVolOffName(8);
1197 index=gMC->CurrentVolOffID(8,copy);
1198 index=copy;
0f4a7374 1199
71fc848f 1200 sector=-1;
1201 if(strcmp(path71,volpath)==0 && index <6) sector=12+index;
1202 if(strcmp(path71,volpath)==0 && index >=6) sector=index-3;
1203 if(strcmp(path75,volpath)==0) sector=index-1;
1204 if(strcmp(path74,volpath)==0) sector=10+index;
d599d913 1205
1206 for(i=0;i<3;++i) {
1207 hits[i] = pos[i];
1208 hits[i+3] = pm[i];
1209 }
1210
1211 hits[6] = mom.Rho();
1212 hits[7] = pos[3];
1213 hits[8] = xpad[0];
1214 hits[9] = xpad[1];
1215 hits[10]= xpad[2];
1216 hits[11]= incidenceAngle;
1217 hits[12]= gMC->Edep();
1218 hits[13]= gMC->TrackLength();
1219
1220 vol[0]= sector;
1221 vol[1]= plate;
1222 vol[2]= strip;
1223 vol[3]= padx;
0f4a7374 1224 vol[4]= padz;
1225
0e46b9ae 1226 AddT0Hit(mcApplication->GetCurrentTrackNumber(),vol, hits);
1227 //AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
d599d913 1228 }
1229}