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Double precision (Marian). Coding conventions (Federico)
[u/mrichter/AliRoot.git] / TOF / AliTOFv4T0.cxx
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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
f8014e68 40#include <Riostream.h>
d599d913 41#include <stdlib.h>
42
d3c7bfac 43#include "TVirtualMC.h"
88cb7938 44#include <TBRIK.h>
45#include <TGeometry.h>
d599d913 46#include <TLorentzVector.h>
88cb7938 47#include <TNode.h>
48#include <TObject.h>
49#include <TVirtualMC.h>
d599d913 50
d076c8d5 51#include "AliLog.h"
88cb7938 52#include "AliConst.h"
53#include "AliRun.h"
5d12ce38 54#include "AliMC.h"
d3c7bfac 55#include "AliMagF.h"
56
57#include "AliTOFGeometry.h"
58#include "AliTOFGeometryV4.h"
59#include "AliTOFv4T0.h"
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
d599d913 83 AliModule* frame=gAlice->GetModule("FRAME");
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
d599d913 119 // Find top TNODE
120 top = gAlice->GetGeometry()->GetNode("alice");
9e9add11 121
d599d913 122 // Position the different copies
d3c7bfac 123 const Float_t krTof =(fTOFGeometry->Rmax()+fTOFGeometry->Rmin())/2.;
124 const Float_t khTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
125 const Int_t kNTof = fTOFGeometry->NSectors();
7e6dce66 126 const Float_t kPi = TMath::Pi();
d599d913 127 const Float_t kangle = 2*kPi/kNTof;
128 Float_t ang;
9e9add11 129
130 // define offset for nodes
d3c7bfac 131 Float_t zOffsetC = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC()*0.5;
132 Float_t zOffsetB = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC() - fTOFGeometry->ZlenB()*0.5;
9e9add11 133 Float_t zOffsetA = 0.;
d599d913 134 // Define TOF basic volume
135
da3d3acd 136 char nodeName0[7], nodeName1[7], nodeName2[7];
d599d913 137 char nodeName3[7], nodeName4[7], rotMatNum[7];
9e9add11 138
d599d913 139 new TBRIK("S_TOF_C","TOF box","void",
d3c7bfac 140 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenC()*0.5);
d599d913 141 new TBRIK("S_TOF_B","TOF box","void",
d3c7bfac 142 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenB()*0.5);
d599d913 143 new TBRIK("S_TOF_A","TOF box","void",
d3c7bfac 144 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenA()*0.5);
9e9add11 145
d599d913 146 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
9e9add11 147
148 if (nodeNum<10) {
149 sprintf(rotMatNum,"rot50%i",nodeNum);
150 sprintf(nodeName0,"FTO00%i",nodeNum);
151 sprintf(nodeName1,"FTO10%i",nodeNum);
152 sprintf(nodeName2,"FTO20%i",nodeNum);
153 sprintf(nodeName3,"FTO30%i",nodeNum);
154 sprintf(nodeName4,"FTO40%i",nodeNum);
155 }
156 if (nodeNum>9) {
157 sprintf(rotMatNum,"rot5%i",nodeNum);
158 sprintf(nodeName0,"FTO0%i",nodeNum);
159 sprintf(nodeName1,"FTO1%i",nodeNum);
160 sprintf(nodeName2,"FTO2%i",nodeNum);
161 sprintf(nodeName3,"FTO3%i",nodeNum);
162 sprintf(nodeName4,"FTO4%i",nodeNum);
163 }
164
165 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
166 ang = (4.5-nodeNum) * kangle;
167
168 top->cd();
d3c7bfac 169 node = new TNode(nodeName0,nodeName0,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetC,rotMatNum);
9e9add11 170 node->SetLineColor(kColorTOF);
da3d3acd 171 fNodes->Add(node);
9e9add11 172
da3d3acd 173 top->cd();
d3c7bfac 174 node = new TNode(nodeName1,nodeName1,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
9e9add11 175 node->SetLineColor(kColorTOF);
da3d3acd 176 fNodes->Add(node);
9e9add11 177
178 top->cd();
d3c7bfac 179 node = new TNode(nodeName2,nodeName2,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetB,rotMatNum);
9e9add11 180 node->SetLineColor(kColorTOF);
da3d3acd 181 fNodes->Add(node);
9e9add11 182
183 top->cd();
d3c7bfac 184 node = new TNode(nodeName3,nodeName3,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
9e9add11 185 node->SetLineColor(kColorTOF);
da3d3acd 186 fNodes->Add(node);
9e9add11 187
188 top->cd();
d3c7bfac 189 node = new TNode(nodeName4,nodeName4,"S_TOF_A", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetA,rotMatNum);
9e9add11 190 node->SetLineColor(kColorTOF);
da3d3acd 191 fNodes->Add(node);
d599d913 192 } // end loop on nodeNum
d599d913 193
d3c7bfac 194}
d599d913 195
196//_____________________________________________________________________________
197void AliTOFv4T0::CreateGeometry()
198{
199 //
200 // Create geometry for Time Of Flight version 0
201 //
202 //Begin_Html
203 /*
204 <img src="picts/AliTOFv4T0.gif">
205 */
206 //End_Html
207 //
208 // Creates common geometry
209 //
210 AliTOF::CreateGeometry();
211}
212
0f4a7374 213
d599d913 214//_____________________________________________________________________________
215void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
216 Float_t zlenB, Float_t zlenA, Float_t ztof0)
217{
218 //
219 // Definition of the Time Of Fligh Resistive Plate Chambers
220 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
d3c7bfac 221
0f4a7374 222 Float_t ycoor;
d599d913 223 Float_t par[3];
224 Int_t *idtmed = fIdtmed->GetArray()-499;
225 Int_t idrotm[100];
226 Int_t nrot = 0;
0f4a7374 227
d3c7bfac 228 Float_t radius = fTOFGeometry->Rmin()+2.;//cm
0f4a7374 229
d599d913 230 par[0] = xtof * 0.5;
231 par[1] = ytof * 0.5;
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);
43808676 238
239
240 // Positioning of modules
241
242 Float_t zcor1 = ztof0 - zlenC*0.5;
243 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
244 Float_t zcor3 = 0.;
245
246 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
247 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
0f4a7374 248
43808676 249 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
250 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
251 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
252 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
253 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
254 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
255
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, zcor2, 0, idrotm[0], "ONLY");
259 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
260 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
261 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
262
263 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
0f4a7374 264 if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
43808676 265 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
266
0f4a7374 267
7e6dce66 268 Float_t db = 0.5; // cm
d599d913 269 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
43808676 270
d3c7bfac 271 xFLT = fTOFGeometry->StripLength();
d599d913 272 yFLT = ytof;
273 zFLTA = zlenA;
274 zFLTB = zlenB;
275 zFLTC = zlenC;
43808676 276
d3c7bfac 277 xFST = xFLT - dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndX()*2.; // cm
43808676 278
279 // Sizes of MRPC pads
280
7e6dce66 281 Float_t yPad = 0.505; //cm
d599d913 282
43808676 283 // Large not sensitive volumes with Insensitive Freon
d599d913 284 par[0] = xFLT*0.5;
285 par[1] = yFLT*0.5;
286
d076c8d5 287 AliDebug(1, "************************* TOF geometry **************************");
43808676 288
d599d913 289 par[2] = (zFLTA *0.5);
290 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
291 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
43808676 292
d599d913 293 par[2] = (zFLTB * 0.5);
294 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
295 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
43808676 296
d599d913 297 par[2] = (zFLTC * 0.5);
298 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
299 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
43808676 300
301 ///// Layers of Aluminum before and after detector /////
302 ///// Aluminum Box for Modules (1.8 mm thickness) /////
303 ///// lateral walls not simulated for the time being
0f4a7374 304 // const Float_t khAlWall = 0.18;
43808676 305 // fp to be checked
306 const Float_t khAlWall = 0.11;
d599d913 307 par[0] = xFLT*0.5;
7e6dce66 308 par[1] = khAlWall/2.; // cm
d599d913 309 ycoor = -yFLT/2 + par[1];
310 par[2] = (zFLTA *0.5);
311 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
312 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
313 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
314 par[2] = (zFLTB *0.5);
315 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
316 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
317 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
318 par[2] = (zFLTC *0.5);
319 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
320 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
321 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
322
43808676 323 ///////////////// Detector itself //////////////////////
324
d3c7bfac 325 const Float_t kdeadBound = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndZ(); //cm non-sensitive between the pad edge
43808676 326 //and the boundary of the strip
d3c7bfac 327 const Int_t knx = fTOFGeometry->NpadX(); // number of pads along x
328 const Int_t knz = fTOFGeometry->NpadZ(); // number of pads along z
43808676 329
d3c7bfac 330 Float_t zSenStrip = fTOFGeometry->ZPad() * fTOFGeometry->NpadZ(); // cm
d599d913 331 Float_t stripWidth = zSenStrip + 2*kdeadBound;
43808676 332
d599d913 333 par[0] = xFLT*0.5;
da3d3acd 334 par[1] = yPad*0.5;
d599d913 335 par[2] = stripWidth*0.5;
336
43808676 337 // new description for strip volume -double stack strip-
338 // -- all constants are expressed in cm
339 // heigth of different layers
340 const Float_t khhony = 0.8 ; // heigth of HONY Layer
341 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
d599d913 342 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
343 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
7e6dce66 344 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
d599d913 345 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
346 const Float_t kwsensmz = 2*3.5 ; // cm
347 const Float_t klsensmx = 48*2.5; // cm
348 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
349 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
350
351 // heigth of the FSTR Volume (the strip volume)
352 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
353 // width of the FSTR Volume (the strip volume)
354 const Float_t kwstripz = 10.;
355 // length of the FSTR Volume (the strip volume)
356 const Float_t klstripx = 122.;
357
358 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
7e6dce66 359 // Coordinates of the strip center in the strip reference frame;
0f4a7374 360 // used for positioninG internal strip volumes
da3d3acd 361 Float_t posfp[3]={0.,0.,0.};
43808676 362
d599d913 363
0f4a7374 364 // FSTR volume definition-filling this volume with non sensitive Gas Mixture
d599d913 365 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
366 //-- HONY Layer definition
43808676 367 // parfp[0] = -1;
d599d913 368 parfp[1] = khhony*0.5;
43808676 369 // parfp[2] = -1;
d599d913 370 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
371 // positioning 2 HONY Layers on FSTR volume
43808676 372
d599d913 373 posfp[1]=-khstripy*0.5+parfp[1];
374 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
375 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 376
d599d913 377 //-- PCB Layer definition
0f4a7374 378
d599d913 379 parfp[1] = khpcby*0.5;
380 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
381 // positioning 2 PCB Layers on FSTR volume
382 posfp[1]=-khstripy*0.5+khhony+parfp[1];
383 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
384 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
385 // positioning the central PCB layer
386 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
43808676 387
388
389
d599d913 390 //-- MYLAR Layer definition
0f4a7374 391
d599d913 392 parfp[1] = khmyly*0.5;
393 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
394 // positioning 2 MYLAR Layers on FSTR volume
da3d3acd 395 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
d599d913 396 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
397 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
398 // adding further 2 MYLAR Layers on FSTR volume
399 posfp[1] = khpcby*0.5+parfp[1];
400 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
401 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 402
403
d599d913 404 //-- Graphite Layer definition
0f4a7374 405
d599d913 406 parfp[1] = khgraphy*0.5;
407 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
408 // positioning 2 Graphite Layers on FSTR volume
409 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
410 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
411 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
412 // adding further 2 Graphite Layers on FSTR volume
413 posfp[1] = khpcby*0.5+khmyly+parfp[1];
414 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
415 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 416
417
d599d913 418 //-- Glass (EXT. +Semi INT.) Layer definition
0f4a7374 419
d599d913 420 parfp[1] = khglasseiy*0.5;
421 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
422 // positioning 2 Glass Layers on FSTR volume
423 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
424 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
425 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
426 // adding further 2 Glass Layers on FSTR volume
427 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
428 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
429 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
43808676 430
d599d913 431
432 //-- Sensitive Mixture Layer definition
0f4a7374 433
d599d913 434 parfp[0] = klsensmx*0.5;
435 parfp[1] = khsensmy*0.5;
436 parfp[2] = kwsensmz*0.5;
437 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
438 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
439 // positioning 2 gas Layers on FSTR volume
440 // the upper is insensitive freon
441 // while the remaining is sensitive
442 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
443 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
444 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
43808676 445
d599d913 446 // dividing FSEN along z in knz=2 and along x in knx=48
0f4a7374 447
d599d913 448 gMC->Gsdvn("FSEZ","FSEN",knz,3);
449 gMC->Gsdvn("FSEX","FSEZ",knx,1);
450
451 // FPAD volume definition
0f4a7374 452
da3d3acd 453 parfp[0] = klpadx*0.5;
d599d913 454 parfp[1] = khsensmy*0.5;
455 parfp[2] = kwpadz*0.5;
456 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
457 // positioning the FPAD volumes on previous divisions
458 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
459
da3d3acd 460
0f4a7374 461 ///////////////////Positioning A module//////////////////////////
da3d3acd 462
0f4a7374 463
464 for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
465
466 Float_t ang = fTOFGeometry->GetAngles(2,istrip);
467 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 468 ang /= kRaddeg;
0f4a7374 469 Float_t zpos = tan(ang)*radius;
470 Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
d3c7bfac 471 gMC->Gspos("FSTR",fTOFGeometry->NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0], "ONLY");
d076c8d5 472 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
da3d3acd 473 }
0f4a7374 474
475
476 ///////////////////Positioning B module//////////////////////////
477
478 for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
479
480 Float_t ang = fTOFGeometry->GetAngles(3,istrip);
481 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 482 ang /= kRaddeg;
0f4a7374 483 Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
484 Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
485 gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot], "ONLY");
d076c8d5 486 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
0f4a7374 487 }
488
43808676 489
0f4a7374 490 ///////////////////Positioning C module//////////////////////////
491
492 for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
493
494 Float_t ang = fTOFGeometry->GetAngles(4,istrip);
495 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
43808676 496 ang /= kRaddeg;
0f4a7374 497 Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
498 Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
499 gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot], "ONLY");
d076c8d5 500 AliDebug(1, Form("y = %f, z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
0f4a7374 501 }
502
43808676 503 ////////// Layers after strips /////////////////
504 // Al Layer thickness (2.3mm) factor 0.7
505
d3c7bfac 506 Float_t overSpace = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->OverSpc();//cm
43808676 507
d599d913 508 par[0] = xFLT*0.5;
43808676 509 par[1] = 0.115*0.7; // factor 0.7
d599d913 510 par[2] = (zFLTA *0.5);
511 ycoor = -yFLT/2 + overSpace + par[1];
43808676 512 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
d599d913 513 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
514 par[2] = (zFLTB *0.5);
43808676 515 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
d599d913 516 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
517 par[2] = (zFLTC *0.5);
43808676 518 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
d599d913 519 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 520
521
522 // plexiglass thickness: 1.5 mm ; factor 0.3
0f4a7374 523
d599d913 524 ycoor += par[1];
525 par[0] = xFLT*0.5;
43808676 526 par[1] = 0.075*0.3; // factor 0.3
d599d913 527 par[2] = (zFLTA *0.5);
528 ycoor += par[1];
43808676 529 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 530 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
531 par[2] = (zFLTB *0.5);
43808676 532 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 533 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
534 par[2] = (zFLTC *0.5);
43808676 535 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
d599d913 536 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 537
538 // frame of Air
0f4a7374 539
d599d913 540 ycoor += par[1];
541 par[0] = xFLT*0.5;
43808676 542 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
d599d913 543 par[2] = (zFLTA *0.5);
544 ycoor += par[1];
545 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
546 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
547 par[2] = (zFLTB *0.5);
548 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
549 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
550 par[2] = (zFLTC *0.5);
551 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
552 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
43808676 553
554
555 // start with cards and cooling tubes
556 // finally, cards, cooling tubes and layer for thermal dispersion
557 // 3 volumes
558 // card volume definition
559
560 // see GEOM200 in GEANT manual
0f4a7374 561
562
43808676 563 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
564
565 Float_t cardpar[3];
566 cardpar[0]= 61.;
567 cardpar[1]= 5.;
568 cardpar[2]= 0.1;
569 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
570 //alu plate volume definition
571 cardpar[1]= 3.5;
572 cardpar[2]= 0.05;
573 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
574
575
576 // central module positioning (FAIA)
577 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
578 cardpos[0]= 0.;
579 cardpos[1]= -0.5;
580 cardpos[2]= -53.;
581 Float_t aplpos1 = -2.;
582 Int_t icard;
0f4a7374 583 for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
43808676 584 cardpos[2]= cardpos[2]+stepforcardA;
585 aplpos2 = cardpos[2]+0.15;
da3d3acd 586 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
43808676 587 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
588
589 }
590
591
592 // intermediate module positioning (FAIB)
593 Float_t stepforcardB= 7.05;
594 cardpos[2]= -70.5;
0f4a7374 595 for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
43808676 596 cardpos[2]= cardpos[2]+stepforcardB;
da3d3acd 597 aplpos2 = cardpos[2]+0.15;
598 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
599 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
43808676 600 }
601
602
603 // outer module positioning (FAIC)
604 Float_t stepforcardC= 8.45238;
605 cardpos[2]= -88.75;
0f4a7374 606 for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
43808676 607 cardpos[2]= cardpos[2]+stepforcardC;
608 aplpos2 = cardpos[2]+0.15;
da3d3acd 609 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
43808676 610 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
611 }
612
613 // tube volume definition
0f4a7374 614
43808676 615 Float_t tubepar[3];
616 tubepar[0]= 0.;
617 tubepar[1]= 0.4;
618 tubepar[2]= 61.;
619 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
620 tubepar[0]= 0.;
621 tubepar[1]= 0.35;
622 tubepar[2]= 61.;
623 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
624 // positioning water tube into the steel one
625 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
626
627
628 // rotation matrix
629 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
630 // central module positioning (FAIA)
631 Float_t tubepos[3], tdis=0.6;
632 tubepos[0]= 0.;
633 tubepos[1]= cardpos[1];
634 tubepos[2]= -53.+tdis;
635 // tub1pos = 5.;
636 Int_t itub;
0f4a7374 637 for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
43808676 638 tubepos[2]= tubepos[2]+stepforcardA;
639 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
640 "ONLY");
641 }
642
643
644 // intermediate module positioning (FAIB)
645 tubepos[2]= -70.5+tdis;
0f4a7374 646 for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
43808676 647 tubepos[2]= tubepos[2]+stepforcardB;
648 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
649 "ONLY");
650 }
651
652 // outer module positioning (FAIC)
653 tubepos[2]= -88.75+tdis;
0f4a7374 654 for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
43808676 655 tubepos[2]= tubepos[2]+stepforcardC;
656 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
657 "ONLY");
658 }
659
d599d913 660}
d599d913 661//_____________________________________________________________________________
ba380e33 662void AliTOFv4T0::DrawModule() const
d599d913 663{
664 //
665 // Draw a shaded view of the Time Of Flight version 4
666 //
667 // Set everything unseen
668 gMC->Gsatt("*", "seen", -1);
669 //
670 // Set ALIC mother transparent
671 gMC->Gsatt("ALIC","SEEN",0);
672 //
673 // Set the volumes visible
674 gMC->Gsatt("ALIC","SEEN",0);
675
676 gMC->Gsatt("FTOA","SEEN",1);
677 gMC->Gsatt("FTOB","SEEN",1);
678 gMC->Gsatt("FTOC","SEEN",1);
679 gMC->Gsatt("FLTA","SEEN",1);
680 gMC->Gsatt("FLTB","SEEN",1);
681 gMC->Gsatt("FLTC","SEEN",1);
682 gMC->Gsatt("FPLA","SEEN",1);
683 gMC->Gsatt("FPLB","SEEN",1);
684 gMC->Gsatt("FPLC","SEEN",1);
685 gMC->Gsatt("FSTR","SEEN",1);
686 gMC->Gsatt("FPEA","SEEN",1);
687 gMC->Gsatt("FPEB","SEEN",1);
688 gMC->Gsatt("FPEC","SEEN",1);
689
690 gMC->Gsatt("FLZ1","SEEN",0);
691 gMC->Gsatt("FLZ2","SEEN",0);
692 gMC->Gsatt("FLZ3","SEEN",0);
693 gMC->Gsatt("FLX1","SEEN",0);
694 gMC->Gsatt("FLX2","SEEN",0);
695 gMC->Gsatt("FLX3","SEEN",0);
696 gMC->Gsatt("FPAD","SEEN",0);
697
698 gMC->Gdopt("hide", "on");
699 gMC->Gdopt("shad", "on");
700 gMC->Gsatt("*", "fill", 7);
701 gMC->SetClipBox(".");
702 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
703 gMC->DefaultRange();
704 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
705 gMC->Gdhead(1111, "Time Of Flight");
706 gMC->Gdman(18, 4, "MAN");
707 gMC->Gdopt("hide","off");
708}
709//_____________________________________________________________________________
7aeeaf38 710void AliTOFv4T0::DrawDetectorModules() const
d599d913 711{
712//
713// Draw a shaded view of the TOF detector version 4
714//
715
88cb7938 716
717//Set ALIC mother transparent
4c475d27 718 gMC->Gsatt("ALIC","SEEN",0);
d599d913 719
720//
721//Set volumes visible
722//
723//=====> Level 1
724 // Level 1 for TOF volumes
725 gMC->Gsatt("B077","seen",0);
726
727
728//==========> Level 2
729 // Level 2
730 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
731 gMC->Gsatt("B071","seen",0);
732 gMC->Gsatt("B074","seen",0);
733 gMC->Gsatt("B075","seen",0);
734 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
735
736
737 // Level 2 of B071
738 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
739 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
740 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
741 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
742 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
743 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
744 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
745 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
746 gMC->Gsatt("BTO1","seen",0);
747
748
749 // Level 2 of B074
750 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
751 gMC->Gsatt("BTO2","seen",0);
752
753 // Level 2 of B075
754 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
755 gMC->Gsatt("BTO3","seen",0);
756
757// ==================> Level 3
758 // Level 3 of B071 / Level 2 of BTO1
759 gMC->Gsatt("FTOC","seen",-2);
760 gMC->Gsatt("FTOB","seen",-2);
761 gMC->Gsatt("FTOA","seen",-2);
762
763 // Level 3 of B074 / Level 2 of BTO2
764 // -> cfr previous settings
765
766 // Level 3 of B075 / Level 2 of BTO3
767 // -> cfr previous settings
768
769 gMC->Gdopt("hide","on");
770 gMC->Gdopt("shad","on");
771 gMC->Gsatt("*", "fill", 5);
772 gMC->SetClipBox(".");
773 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
774 gMC->DefaultRange();
775 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
776 gMC->Gdhead(1111,"TOF detector V1");
777 gMC->Gdman(18, 4, "MAN");
778 gMC->Gdopt("hide","off");
779}
780
781//_____________________________________________________________________________
7aeeaf38 782void AliTOFv4T0::DrawDetectorStrips() const
d599d913 783{
784 //
785 // Draw a shaded view of the TOF strips for version 4
786 //
787
d599d913 788 //Set ALIC mother transparent
4c475d27 789 gMC->Gsatt("ALIC","SEEN",0);
d599d913 790
791 //
792 //Set volumes visible
793 //=====> Level 1
794 // Level 1 for TOF volumes
795 gMC->Gsatt("B077","seen",0);
796
797 //==========> Level 2
798 // Level 2
799 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
800 gMC->Gsatt("B071","seen",0);
801 gMC->Gsatt("B074","seen",0);
802 gMC->Gsatt("B075","seen",0);
803 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
804
805 // Level 2 of B071
806 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
807 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
808 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
809 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
810 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
811 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
812 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
813 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
814 gMC->Gsatt("BTO1","seen",0);
815
816 // ==================> Level 3
817 // Level 3 of B071 / Level 2 of BTO1
818 gMC->Gsatt("FTOC","seen",0);
819 gMC->Gsatt("FTOB","seen",0);
820 gMC->Gsatt("FTOA","seen",0);
821
822 // Level 3 of B074 / Level 2 of BTO2
823 // -> cfr previous settings
824
825 // Level 3 of B075 / Level 2 of BTO3
826 // -> cfr previous settings
827
828
829 // ==========================> Level 4
830 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
831 gMC->Gsatt("FLTC","seen",0);
832 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
833 gMC->Gsatt("FLTB","seen",0);
834 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
835 gMC->Gsatt("FLTA","seen",0);
836
837 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
838 // -> cfr previous settings
839 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
840 // -> cfr previous settings
841
842 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
843 // -> cfr previous settings
844
845 //======================================> Level 5
846 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
847 gMC->Gsatt("FALC","seen",0); // no children for FALC
848 gMC->Gsatt("FSTR","seen",-2);
849 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
850 gMC->Gsatt("FECC","seen",0); // no children for FECC
851 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
852 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
853
854 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
855 gMC->Gsatt("FALB","seen",0); // no children for FALB
856 //--> gMC->Gsatt("FSTR","seen",-2);
857
858
859 // -> cfr previous settings
860 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
861 gMC->Gsatt("FECB","seen",0); // no children for FECB
862 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
863 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
864
865 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
866 gMC->Gsatt("FALA","seen",0); // no children for FALB
867 //--> gMC->Gsatt("FSTR","seen",-2);
868 // -> cfr previous settings
869 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
870 gMC->Gsatt("FECA","seen",0); // no children for FECA
871 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
872 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
873
874 // Level 2 of B074
875 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
876 gMC->Gsatt("BTO2","seen",0);
877
878 // Level 2 of B075
879 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
880 gMC->Gsatt("BTO3","seen",0);
881
882 // for others Level 5, cfr. previous settings
883
884 gMC->Gdopt("hide","on");
885 gMC->Gdopt("shad","on");
886 gMC->Gsatt("*", "fill", 5);
887 gMC->SetClipBox(".");
888 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
889 gMC->DefaultRange();
890 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
891 gMC->Gdhead(1111,"TOF Strips V1");
892 gMC->Gdman(18, 4, "MAN");
893 gMC->Gdopt("hide","off");
894}
895
896//_____________________________________________________________________________
897void AliTOFv4T0::CreateMaterials()
898{
899 //
900 // Define materials for the Time Of Flight
901 //
d3c7bfac 902 //AliTOF::CreateMaterials();
903
904 //
905 // Defines TOF materials for all versions
906 // Revision: F. Pierella 18-VI-2002
907 //
908
909 Int_t isxfld = gAlice->Field()->Integ();
910 Float_t sxmgmx = gAlice->Field()->Max();
911 //
912 //--- Quartz (SiO2) to simulate float glass
913 // density tuned to have correct float glass
914 // radiation length
915 Float_t aq[2] = { 28.0855,15.9994 };
916 Float_t zq[2] = { 14.,8. };
917 Float_t wq[2] = { 1.,2. };
918 Float_t dq = 2.55; // std value: 2.2
919 Int_t nq = -2;
920
921 // --- Freon C2F4H2 (TOF-TDR pagg.)
922 // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
923 Float_t afre[3] = {12.011,18.998,1.007};
924 Float_t zfre[3] = { 6., 9., 1.};
925 Float_t wfre[3] = { 2., 4., 2.};
926 Float_t densfre = 0.00375;
927// http://www.fi.infn.it/sezione/prevprot/gas/freon.html
928 Int_t nfre = -3;
929/*
930 //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
931 Float_t aiso[2] = {12.011,1.007};
932 Float_t ziso[2] = { 6., 1.};
933 Float_t wiso[2] = { 4., 10.};
934 Float_t densiso = .......; // (g/cm3) density
935 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
936 //-- SF6 (5% in the sensitive mixture)
937 Float_t asf[3] = {32.066,18.998};
938 Float_t zsf[3] = { 16., 9.};
939 Float_t wsf[3] = { 1., 6.};
940 Float_t denssf = .....; // (g/cm3) density
941 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
942*/
943 // --- CO2
944 Float_t ac[2] = {12.,16.};
945 Float_t zc[2] = { 6., 8.};
946 Float_t wc[2] = { 1., 2.};
947 Float_t dc = .001977;
948 Int_t nc = -2;
949 // For mylar (C5H4O2)
950 Float_t amy[3] = { 12., 1., 16. };
951 Float_t zmy[3] = { 6., 1., 8. };
952 Float_t wmy[3] = { 5., 4., 2. };
953 Float_t dmy = 1.39;
954 Int_t nmy = -3;
955 // For polyethilene (CH2) - honeycomb -
956 Float_t ape[2] = { 12., 1. };
957 Float_t zpe[2] = { 6., 1. };
958 Float_t wpe[2] = { 1., 2. };
959 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
960 Int_t npe = -2;
961 // --- G10
962 Float_t ag10[4] = { 12.,1.,16.,28. };
963 Float_t zg10[4] = { 6.,1., 8.,14. };
964 Float_t wmatg10[4] = { .259,.288,.248,.205 };
965 Float_t densg10 = 1.7;
966 Int_t nlmatg10 = -4;
967
968 // plexiglass CH2=C(CH3)CO2CH3
969 Float_t aplex[3] = { 12.,1.,16.};
970 Float_t zplex[3] = { 6.,1., 8.};
971 Float_t wmatplex[3] = {5.,8.,2.};
972 Float_t densplex =1.16;
973 Int_t nplex = -3;
974
975 // ---- ALUMINA (AL203)
976 Float_t aal[2] = { 27.,16.};
977 Float_t zal[2] = { 13., 8.};
978 Float_t wmatal[2] = { 2.,3. };
979 Float_t densal = 2.3;
980 Int_t nlmatal = -2;
981 // -- Water
982 Float_t awa[2] = { 1., 16. };
983 Float_t zwa[2] = { 1., 8. };
984 Float_t wwa[2] = { 2., 1. };
985 Float_t dwa = 1.0;
986 Int_t nwa = -2;
987
988// stainless steel
989 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
990 Float_t zsteel[4] = { 26.,24.,28.,14. };
991 Float_t wsteel[4] = { .715,.18,.1,.005 };
992
993 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
994
995 // AIR
996 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
997 Float_t zAir[4]={6.,7.,8.,18.};
998 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
999 Float_t dAir = 1.20479E-3;
1000
1001 AliMixture( 1, "Air$", aAir, zAir, dAir, 4, wAir);
1002
1003 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
1004 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
1005 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
1006 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
1007 AliMixture ( 6, "PLE$", aplex, zplex, densplex, nplex, wmatplex);
1008 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
1009 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
1010 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
1011 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
1012 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
1013 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
1014 AliMixture (13, "Glass$", aq, zq, dq, nq, wq);
1015 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
1016 AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1017
1018 Float_t epsil, stmin, deemax, stemax;
1019
1020 // Previous data
1021 // EPSIL = 0.1 ! Tracking precision,
1022 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
1023 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
1024 // STMIN = 0.1
1025 //
1026 // New data
1027 epsil = .001; // Tracking precision,
1028 stemax = -1.; // Maximum displacement for multiple scattering
1029 deemax = -.3; // Maximum fractional energy loss, DLS
1030 stmin = -.8;
1031
1032 AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1033 AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1034 AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1035 AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1036 AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1037 AliMedium( 6, "PLE$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1038 AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
1039 AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1040 AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1041 AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1042 AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1043 AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1044 AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1045 AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1046 AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1047 AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1048 AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1049
d599d913 1050}
1051
1052//_____________________________________________________________________________
1053void AliTOFv4T0::Init()
1054{
1055 //
1056 // Initialise the detector after the geometry has been defined
1057 //
d076c8d5 1058 AliDebug(1, "**************************************"
d599d913 1059 " TOF "
d076c8d5 1060 "**************************************");
1061 AliDebug(1, " Version 4 of TOF initialing, "
1062 "symmetric TOF - Full Coverage version");
d599d913 1063
1064 AliTOF::Init();
1065
1066 fIdFTOA = gMC->VolId("FTOA");
1067 fIdFTOB = gMC->VolId("FTOB");
1068 fIdFTOC = gMC->VolId("FTOC");
1069 fIdFLTA = gMC->VolId("FLTA");
1070 fIdFLTB = gMC->VolId("FLTB");
1071 fIdFLTC = gMC->VolId("FLTC");
1072
d076c8d5 1073 AliDebug(1, "**************************************"
d599d913 1074 " TOF "
d076c8d5 1075 "**************************************");
d599d913 1076}
1077
1078//_____________________________________________________________________________
1079void AliTOFv4T0::StepManager()
1080{
0f4a7374 1081
d599d913 1082 //
1083 // Procedure called at each step in the Time Of Flight
1084 //
0f4a7374 1085
d599d913 1086 TLorentzVector mom, pos;
1087 Float_t xm[3],pm[3],xpad[3],ppad[3];
71fc848f 1088 Float_t hits[14];
d599d913 1089 Int_t vol[5];
1090 Int_t sector, plate, padx, padz, strip;
1091 Int_t copy, padzid, padxid, stripid, i;
1092 Int_t *idtmed = fIdtmed->GetArray()-499;
1093 Float_t incidenceAngle;
0f4a7374 1094
d3c7bfac 1095 if(
1096 gMC->IsTrackEntering()
1097 && gMC->TrackCharge()
1ac1b685 1098 //&& gMC->GetMedium()==idtmed[513]
71fc848f 1099 && gMC->CurrentMedium()==idtmed[513]
d3c7bfac 1100 && gMC->CurrentVolID(copy)==fIdSens
1101 )
74ea065c 1102 {
1103
1104 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
1105
d599d913 1106 // getting information about hit volumes
1107
1108 padzid=gMC->CurrentVolOffID(2,copy);
da3d3acd 1109 padz=copy;
0f4a7374 1110
d599d913 1111
1112 padxid=gMC->CurrentVolOffID(1,copy);
da3d3acd 1113 padx=copy;
d599d913 1114
1115 stripid=gMC->CurrentVolOffID(4,copy);
da3d3acd 1116 strip=copy;
d599d913 1117
1118 gMC->TrackPosition(pos);
1119 gMC->TrackMomentum(mom);
1120
0f4a7374 1121
1122 // Double_t NormPos=1./pos.Rho();
1123
d599d913 1124 Double_t normMom=1./mom.Rho();
1125
0f4a7374 1126 // getting the cohordinates in pad ref system
1127
d599d913 1128 xm[0] = (Float_t)pos.X();
1129 xm[1] = (Float_t)pos.Y();
1130 xm[2] = (Float_t)pos.Z();
1131
1132 pm[0] = (Float_t)mom.X()*normMom;
1133 pm[1] = (Float_t)mom.Y()*normMom;
1134 pm[2] = (Float_t)mom.Z()*normMom;
1135
1136 gMC->Gmtod(xm,xpad,1);
1137 gMC->Gmtod(pm,ppad,2);
1138
644cbb5e 1139
1140 if (TMath::Abs(ppad[1])>1) {
d076c8d5 1141 AliWarning("Abs(ppad) > 1");
644cbb5e 1142 ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
1143 }
d599d913 1144 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1145
0f4a7374 1146
71fc848f 1147 const char * pathA="FTOA";
1148 const char * pathB="FTOB";
1149 const char * pathC="FTOC";
1150 const char * path71="B071";
1151 const char * path75="B075";
1152 const char * path74="B074";
1153 const char* volpath;
d599d913 1154
71fc848f 1155 Int_t index=0;
1156 volpath=gMC->CurrentVolOffName(6);
1157 index=gMC->CurrentVolOffID(6,copy);
1158 index=copy;
1159
1160
1161 plate=-1;
1162 if(strcmp(pathC,volpath)==0 && index==1)plate=0;
1163 if(strcmp(pathB,volpath)==0 && index==1)plate=1;
1164 if(strcmp(pathA,volpath)==0 && index==0)plate=2;
1165 if(strcmp(pathB,volpath)==0 && index==2)plate=3;
1166 if(strcmp(pathC,volpath)==0 && index==2)plate=4;
0f4a7374 1167
da3d3acd 1168
0f4a7374 1169
7e6dce66 1170 if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1171 else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1172 else strip--;
0f4a7374 1173
7e6dce66 1174 //Apply ALICE conventions for volume numbering increasing with theta, phi
0f4a7374 1175
1176 if (plate==3 || plate==4){
7e6dce66 1177 padx=fTOFGeometry->NpadX()-padx;
1178 padz=fTOFGeometry->NpadZ()-padz;
0f4a7374 1179 xpad[0]=-xpad[0];
1180 xpad[2]=-xpad[2];
1181 }
1182 else {
7e6dce66 1183 padx--;
1184 padz--;
0f4a7374 1185 }
da3d3acd 1186
da3d3acd 1187
d599d913 1188
71fc848f 1189 volpath=gMC->CurrentVolOffName(8);
1190 index=gMC->CurrentVolOffID(8,copy);
1191 index=copy;
0f4a7374 1192
71fc848f 1193 sector=-1;
1194 if(strcmp(path71,volpath)==0 && index <6) sector=12+index;
1195 if(strcmp(path71,volpath)==0 && index >=6) sector=index-3;
1196 if(strcmp(path75,volpath)==0) sector=index-1;
1197 if(strcmp(path74,volpath)==0) sector=10+index;
d599d913 1198
1199 for(i=0;i<3;++i) {
1200 hits[i] = pos[i];
1201 hits[i+3] = pm[i];
1202 }
1203
1204 hits[6] = mom.Rho();
1205 hits[7] = pos[3];
1206 hits[8] = xpad[0];
1207 hits[9] = xpad[1];
1208 hits[10]= xpad[2];
1209 hits[11]= incidenceAngle;
1210 hits[12]= gMC->Edep();
1211 hits[13]= gMC->TrackLength();
1212
1213 vol[0]= sector;
1214 vol[1]= plate;
1215 vol[2]= strip;
1216 vol[3]= padx;
0f4a7374 1217 vol[4]= padz;
1218
5d12ce38 1219 AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
d599d913 1220 }
1221}