minor bugfix: correctly close ESD files in destructor
[u/mrichter/AliRoot.git] / T0 / AliT0v1.cxx
CommitLineData
dc7ca31d 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
16/* $Id$ */
17
18/////////////////////////////////////////////////////////////////////
19// //
20// T0 ( T-zero) detector version 1 //
21//
22//Begin Html
23/*
24<img src="gif/AliT0v1Class.gif">
25*/
26//End Html
27// //
28// //
29//////////////////////////////////////////////////////////////////////
30
31#include <Riostream.h>
32#include <stdlib.h>
33
34#include <TGeometry.h>
35#include <TLorentzVector.h>
36#include <TMath.h>
37#include <TNode.h>
38#include <TTUBE.h>
39#include <TVirtualMC.h>
40#include "TGeoManager.h"
268f57b1 41#include "TGeoMatrix.h"
06cb77ae 42#include "TGeoPcon.h"
dc7ca31d 43#include "TGeoTube.h"
44#include "TGeoCompositeShape.h"
45#include <TGraph.h>
46
47#include "AliLog.h"
48#include "AliMagF.h"
49#include "AliRun.h"
50
51#include "AliT0hit.h"
52#include "AliT0v1.h"
53#include "AliT0Parameters.h"
54
55#include "AliMC.h"
56#include "AliCDBLocal.h"
57#include "AliCDBStorage.h"
58#include "AliCDBManager.h"
59#include "AliCDBEntry.h"
60
61ClassImp(AliT0v1)
62
2ee4b412 63
64//--------------------------------------------------------------------
65AliT0v1::AliT0v1(): AliT0(),
66 fIdSens1(0),
67 fEffPMT(0x0)
68
69{
70 //
71 // Standart constructor for T0 Detector version 0
72}
dc7ca31d 73//--------------------------------------------------------------------
74AliT0v1::AliT0v1(const char *name, const char *title):
75 AliT0(name,title),
2ee4b412 76 fIdSens1(0),
77 fEffPMT(0x0)
78
dc7ca31d 79{
80 //
81 // Standart constructor for T0 Detector version 0
82 //
83 fIshunt = 2;
84 AliT0Parameters* param = AliT0Parameters::Instance();
85 for (Int_t i=0; i<24; i++){
86 TGraph* grEff = param ->GetPMTeff(i);
87 fEffPMT.AddAtAndExpand(grEff,i);
88 }
89}
90//_____________________________________________________________________________
91
92AliT0v1::~AliT0v1()
93{
94 // desctructor
95}
96
97//-------------------------------------------------------------------------
98void AliT0v1::CreateGeometry()
99{
100 //
101 // Create the geometry of T0 Detector version 0
102 //
103 // begin Html
104 /*
105 <img src="gif/AliT0v0.gif">
106 */
107 //
108
109
110 Int_t *idtmed = fIdtmed->GetArray();
111 /*
112 AliT0Parameters* param = AliT0Parameters::Instance();
113 param->Init();
114 Float_t zdetC = param->GetZposition(0);
115 Float_t zdetA = param->GetZposition(1);
116 */
117 Float_t zdetC = 69.7;
118 Float_t zdetA = 373.;
119
120 Int_t is;
121 Int_t idrotm[999];
06cb77ae 122 Double_t x,y,z;
dc7ca31d 123 //C T0 mother volume
124 Float_t pstartR[18]={0., 360., 5.,
125 -6.8, 4.25, 10., //-76.5+0.00+69.7
126 -0.75 , 4.5, 10., // -76.5+6.05+69.7
127 1.25 , 4.5, 10., //-76.5+8.05+69.7
128 1.25 , 5.1, 10., //-76.5+8.05+69.7
129 6.8 , 5.1, 10.}; //-62.9+0.00+69.7
130
131 Float_t pstart[3]={4., 12.5,6.8};
17507186 132 Float_t pinstart[3]={0.,1.5005,6.5};
dc7ca31d 133 Float_t ppmt[3]={0.,1.5,3.5};
134 Float_t ptop[3]={0.,1.,1.0};
135 Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov
136 Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection
137 Float_t pbot[3]={0.6,1.2,0.1};
138 Float_t pglass[3]={1.2,1.3,2.};
139 Float_t pcer[3]={0.9,1.1,1.35};
140 Float_t psteel[3]={0.9,1.1,0.15};
17507186 141 Float_t psupport1[3] = {4.5,4.505,4.0};//C kozhuh vnutri
dc7ca31d 142 Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C
143 Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C
17507186 144 Float_t psupport5[3] = {1.5,1.51,6.5}; // stakanchik dlai feu C
dc7ca31d 145 Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al
17507186 146 Float_t psupport7[3] = {1.5004,1.51,0.4}; //kolechko snaruzhu stakanchika Al
dc7ca31d 147
148 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
149 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
150 Float_t ppcon[70];
151 ppcon[0] = 0;
152 ppcon[1] = 360;
153 ppcon[2] = 13;
154// 1:
155 ppcon[3] = 7.2;
156 ppcon[4] = 4.4;
157 ppcon[5] = 4.5;
158// 2
159 ppcon[6] = 8.2;
160 ppcon[7] = 4.4;
161 ppcon[8] = 4.5;
162// 3
163 ppcon[9] = 8.2;
164 ppcon[10] = 4.4;
165 ppcon[11] = 5.1;
166
167// 4
168
169 ppcon[12] = 8.3;
170 ppcon[13] = 4.4;
171 ppcon[14] = 5.1;
172// 5
173
174 ppcon[15] = 8.3;
175 ppcon[16] = 4.9;
176 ppcon[17] = 5.1;
177
178// 6
179 ppcon[18] = 15.;
180 ppcon[19] = 4.9;
181 ppcon[20] = 5.1;
182
183// 7
184 ppcon[21] = 15.;
185 ppcon[22] = 3.15 ;
186 ppcon[23] = 5.1;
187
188/// 8
189 ppcon[24] = 15.01;
190 ppcon[25] = 3.15;
191 ppcon[26] = 5.1;
192
193/// 9
194 ppcon[27] = 15.01;
195 ppcon[28] = 3.15;
196 ppcon[29] = 3.25;
197
198
199/// 9
200 ppcon[30] = 19.71;
201 ppcon[31] = 3.15;
202 ppcon[32] = 3.25;
203// 10
204 ppcon[33] = 19.8;
205 ppcon[34] = 3.15;
206 ppcon[35] = 3.25;
207 // 11
208 ppcon[36] = 19.8;
209 ppcon[37] = 3.15;
210 ppcon[38] = 7.6;
211
212 // 14
213
214 ppcon[39] = 19.91;
215 ppcon[40] = 3.15;
216 ppcon[41] = 7.6;
217
218
219 gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
220 z = -zdetC;
221 gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
222
223//-------------------------------------------------------------------
224 // T0 volume
225 //-------------------------------------------------------------------
226
227
228 gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
dc7ca31d 229 gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
230 // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
231
232//T0 interior
233 gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
234 gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);
235
236 gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
237 gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
238 gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
239 gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
240 // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
241 gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
242 gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
243 gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
244
245
246
247 //non-absorber side support and T0A !!!!!!!!
248
06cb77ae 249 // TGeoPcon * supPgon = new TGeoPcon("supPgon",0.,360.,360,4);
250 TGeoPcon * supPgon = new TGeoPcon("supPgon",0.,360.,4);
dc7ca31d 251 supPgon->DefineSection(0, 0, 4.1, 5.5);
252 supPgon->DefineSection(1, 10.5 , 4.1, 5.5);
253 supPgon->DefineSection(2, 10.5 , 4.1, 4.9);
254 supPgon->DefineSection(3, 12.5 , 4.1, 4.9);
255 TGeoTranslation *trPgon = new TGeoTranslation("trPgon",0,0,0);
256 trPgon->RegisterYourself();
257
1b070c3c 258 TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment
dc7ca31d 259 TGeoVolume *ins = gGeoManager->GetVolume("0INS");
260
2ee4b412 261 // Double_t phimin = TMath::ACos((16-4.8)/16.) * (180 / TMath::Pi()) ;
dc7ca31d 262 // TGeoTubeSeg *hole = new TGeoTubeSeg("hole", 0, 1.6, 0, -phimin+90, phimin+90);
06cb77ae 263 // new TGeoTube("hole", 0, 1.61, 6.5);
264 new TGeoTube("hole", 0, 1.51, 6.5);
dc7ca31d 265 TGeoTranslation *tr [12];
06cb77ae 266 Double_t angle = 2 * TMath::Pi() / 12;
b92d4288 267 Char_t nameTr[40];
dc7ca31d 268 for (Int_t itr=0; itr<12; itr++) {
269 sprintf (nameTr,"tr%i",itr+1);
fe20da59 270 x = 6.5 * TMath::Sin(itr * angle);
dc7ca31d 271 y = 6.5 * TMath::Cos(itr * angle);
272 tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
fe20da59 273 tr[itr]->RegisterYourself();
06cb77ae 274 stlin->AddNode(ins,itr+13,tr[itr]);
dc7ca31d 275 }
276 TGeoCompositeShape *supsh = new TGeoCompositeShape("supsh","supPgon:trPgon-(hole:tr1+hole:tr2+hole:tr3+hole:tr4+hole:tr5+hole:tr6+hole:tr7+hole:tr8+hole:tr9+hole:tr10+hole:tr11+hole:tr12)");
277
278 TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$");
279 TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal);
280 stlin->AddNode(supA,1,new TGeoTranslation(0,0,0));
281
282 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
283 alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA ));
284
285 // T0A finished
286
287 //T0C
288// first ring: 12 units of Scintillator+PMT+divider
17507186 289 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.6 / zdetC);
dc7ca31d 290 Float_t phi[3];
291 for (is=0; is<12; is++)
292 {
293
6e1147e5 294 x = 6.6 * TMath::Sin(is * angle);
295 y = 6.6 * TMath::Cos(is * angle);
dc7ca31d 296
297 phi[0] = -30 * is;
298 phi[1] = 90 - is * 30;
299 phi[2] = 90 - is * 30;
300 for (Int_t j = 0; j < 3; j++)
301 if (phi[j] < 0) phi[j] += 360;
302
303 AliMatrix (idrotm[902 + is], 90., phi[0],
304 90. + theta, phi[1],
305 theta, phi[2]);
17507186 306 z=-pstart[2]+pinstart[2]+0.3;
dc7ca31d 307 gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
308 }
309
310 x=0;
311 y=0;
17507186 312 // z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
313 z=-pinstart[2]+ppmt[2]; //+psupport6[2];
dc7ca31d 314 gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
315 // PMT
316
317 // Entry window (glass)
318 gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
319 z=-ppmt[2]+ptop[2];
320 gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
321 //"metal" air volume to simulate reclection
322 gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3);
323 gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
324
325 //Fotokatod
326 gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3);
327 z = -ppmt[2] + 2 * ptop[2] + preg[2];
328 gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY");
329 // Bottom glass
330 gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
331 z=ppmt[2]-pbot[2];
332 gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
333 // Side cylinder glass
334 gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
335 z=ppmt[2]-pglass[2];
336 gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
337 //PMT electrodes support structure
338 gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
339 gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
340 z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
341 gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
342 z +=psteel[2]+pcer[2];
343 gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
344
345 //Support absorber (C) side
17507186 346 z=-pstart[2]+psupport1[2]- 0.05; //0.1;
dc7ca31d 347 gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
348 gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
17507186 349 z=-pstart[2]+psupport3[2] - 0.1;
dc7ca31d 350 gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
351 z=-pstart[2]+2.*psupport1[2]-0.05;//+0.1;
352 gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
353 gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
17507186 354 z=-pinstart[2]+psupport6[2]-0.1;
dc7ca31d 355 gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
356
357 z=pinstart[2]-psupport7[2];
358 gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko
359
360
361 Float_t par[3];
362 par[0]=4.4;
363 par[1]=4.5;
364 par[2]=0.5;
365 gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
366 z=ppcon[3]+par[2];
367 gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
368 z += par[2];
369 par[0]=4.4;
370 par[1]=5.1;
371 par[2]=0.05;
372 gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
373 z += par[2];
374 gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
375 z=z+par[2];
376 par[0]=4.9;
377 par[1]=5.0;
378 par[2]=6.7/2;
379 gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
380 z += par[2];
381 gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
382 z += par[2];
383
384 par[0]=3.15;
385 par[1]=4.9;
386 par[2]=0.1/2;
387 gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
388
389 z += par[2];
dc7ca31d 390 gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
391 z=z+par[2];
392 par[0]=3.15;
393 par[1]=3.16;
394 par[2]=4.7/2;
dc7ca31d 395 gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
396 z += par[2];
397 gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
398 z=z+par[2];
399 par[0]=3.16; // eta chast' prikruchena k absorberu
400 par[1]=7.5;
401 par[2]=0.1;
dc7ca31d 402 gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
403 z += par[2];
404 gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
405 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
406 par[1]=7.5;
407 par[2]=0.01;
dc7ca31d 408 gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
17507186 409 gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY");
dc7ca31d 410
411
412
413
414}
415//------------------------------------------------------------------------
416void AliT0v1::AddAlignableVolumes() const
417{
418 //
419 // Create entries for alignable volumes associating the symbolic volume
420 // name with the corresponding volume path. Needs to be syncronized with
421 // eventual changes in the geometry.
422 //
423
06cb77ae 424 // TString volPath;
425 // TString symName, sn;
426
427
428
429
dc7ca31d 430 TString volPath;
431 TString symName, sn;
432
433 TString vpA = "/ALIC_1/0STL_1/0INS_";
434 TString vpC = "/ALIC_1/0STR_1/0INS_";
435 TString vpInside = "/0PMT_1/0TOP_1";
06cb77ae 436 TString vpAalign = "/ALIC_1/0STL_1";
437 TString vpCalign = "/ALIC_1/0STR_1";
438
439 for (Int_t imod=0; imod<26; imod++)
440 {
441 if (imod < 24)
442 {
443 if (imod < 12)
444 { volPath = vpC; sn="T0/C/PMT";}
445 else
446 { volPath = vpA; sn="T0/A/PMT";}
447 volPath += imod+1;
448 volPath += vpInside;
449 symName = sn;
450 symName += imod+1;
451 }
452 else if (imod == 24)
453 {volPath = vpCalign; symName="/ALIC_1/0STR_1";}
454 else
455 {volPath = vpAalign; symName="/ALIC_1/0STL_1";}
dc7ca31d 456
06cb77ae 457 AliDebug(2,"--------------------------------------------");
458 AliDebug(2,Form("Alignable object %d", imod));
459 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
460 AliDebug(2,Form("symName=%s\n",symName.Data()));
461 AliDebug(2,"--------------------------------------------");
462 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
463 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
464symName.Data(),volPath.Data()));
465 }
466 /*
dc7ca31d 467 for (Int_t imod=0; imod<24; imod++)
468 {
06cb77ae 469 if (imod < 12)
470 { volPath = vpC; sn="T0/C/PMT";}
471 else
472 { volPath = vpA; sn="T0/A/PMT";}
dc7ca31d 473 volPath += imod+1;
474 volPath += vpInside;
dc7ca31d 475 symName = sn;
476 symName += imod+1;
06cb77ae 477
478
dc7ca31d 479 AliDebug(2,"--------------------------------------------");
480 AliDebug(2,Form("Alignable object %d", imod));
481 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
482 AliDebug(2,Form("symName=%s\n",symName.Data()));
483 AliDebug(2,"--------------------------------------------");
1b070c3c 484 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
06cb77ae 485 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
486symName.Data(),volPath.Data()));
487 }
488 */
dc7ca31d 489}
490//------------------------------------------------------------------------
491void AliT0v1::CreateMaterials()
492{
493 Int_t isxfld = gAlice->Field()->Integ();
494 Float_t sxmgmx = gAlice->Field()->Max();
495 // Float_t a,z,d,radl,absl,buf[1];
496 // Int_t nbuf;
dc7ca31d 497// AIR
498
499 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
500 Float_t zAir[4]={6.,7.,8.,18.};
501 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
502 Float_t dAir = 1.20479E-3;
503
504// Scintillator CH
505 Float_t ascin[2]={1.01,12.01};
506 Float_t zscin[2]={1,6};
507 Float_t wscin[2]={1,1};
508 Float_t denscin=1.03;
509//Lucite C(CH3)CO2CH3
510 Float_t alucite[3]={1.01,12.01,15.999};
511 Float_t zlucite[3]={1,6,8};
512 Float_t wlucite[3]={8,5,2};
513 Float_t denlucite=1.16;
514 // PMT glass SiO2
515 Float_t aglass[2]={28.0855,15.9994};
516 Float_t zglass[2]={14.,8.};
517 Float_t wglass[2]={1.,2.};
518 Float_t dglass=2.65;
519// Ceramic 97.2% Al2O3 , 2.8% SiO2
520 // Float_t wcer[2]={0.972,0.028};
521 Float_t aCeramic[2] = { 26.981539,15.9994 };
522 Float_t zCeramic[2] = { 13.,8. };
523 Float_t wCeramic[2] = { 2.,3. };
524 Float_t denscer = 3.6;
525
526// Brass 80% Cu, 20% Zn
527 Float_t abrass[2] = {63.546,65.39};
528 Float_t zbrass[2] = {29,30};
529 Float_t wbrass[2] = {0.8,0.2};
530 Float_t denbrass=8.96;
531
532//Ribber C6H12S
533 Float_t aribber[3] = {12.,1.,32.};
534 Float_t zribber[3] = {6.,1.,16.};
535 Float_t wribber[3] = {6.,12.,1.};
536 Float_t denribber=0.8;
537// Support inside
538 Float_t asupport[2] = {12.,1.};
539 Float_t zsupport[2] = {6.,1.};
540 Float_t wsupport[2] = {1.,1.};
541 Float_t densupport=0.1;
542
543//*** Definition Of avaible T0 materials ***
544 AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
545 AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
546 AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
547 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
548 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
549
550 AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic);
551 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
552 /*
553 char namate[21]="";
554
555 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
556 acer[0]=a;
557
558 zcer[0]=z;
559 gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
560 acer[1]=a;
561 zcer[1]=z;
562 AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer);
563 */
564 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
565 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
566 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
567 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
568 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
569 AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass);
570 AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass);
571 AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir);
572 AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir);
573
574 AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
575 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
576 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
577 AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
578 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
579 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
580 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
581 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
582 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
583 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
584 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
585 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
586 AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
587 AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
588 AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
589 AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
7235aed2 590
591 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
592
593
594}
595//---------------------------------------------------------------------
596void AliT0v1::DrawDetector()
597{
598//
599// Draw a shaded view of the Forward multiplicity detector version 0
600//
601
602 //Set ALIC mother transparent
603 gMC->Gsatt("ALIC","SEEN",0);
604 //
605 //Set volumes visible
606 // gMC->Gsatt("0STR","SEEN",0);
607 // gMC->Gsatt("0INS","SEEN",0);
608 // gMC->Gsatt("0PMT","SEEN",1);
609 // gMC->Gsatt("0DIV","SEEN",1);
610 //
611 gMC->Gdopt("hide","off");
612 gMC->Gdopt("shad","on");
613 gMC->SetClipBox(".");
614 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
615 gMC->DefaultRange();
616 gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6);
617 //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view
618 gMC->Gdhead(1111,"T-Zero detector");
619 gMC->Gdopt("hide","off");
620}
dc7ca31d 621
7235aed2 622//-------------------------------------------------------------------
661663fa 623void AliT0v1::DefineOpticalProperties()
7235aed2 624{
661663fa 625// Optical properties definition.
7235aed2 626 Int_t *idtmed = fIdtmed->GetArray();
dc7ca31d 627// Definition Cherenkov parameters
628 int i;
629 const Int_t kNbins=31;
630
631 Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
632
633 // quartz 20mm
634 Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4,
635 25.9, 25.3, 24.9, 24.5, 23.7,
636 23.2, 22.8, 22.4, 21.8, 21.3,
637 22.8, 22.1, 21.7, 21.2, 20.5,
638 19.9, 19.3, 18.7, 18.0, 17.1,
639 16.3, 15.3, 14.3, 14.3 };
640
641 Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
642 4.48, 4.58, 4.69, 4.81, 4.93,
643 5.05, 5.19, 5.33, 5.48, 5.63,
644 5.8, 5.97, 6.16, 6.36, 6.57,
645 6.8, 7.04, 7.3, 7.58, 7.89,
646 8.22, 8.57, 8.97, 9.39 };
647 /*
648 Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
649 0.21, 0.22, 0.23, 0.24, 0.26,
650 0.27, 0.29, 0.30, 0.29, 0.29,
651 0.28, 0.28, 0.27, 0.26, 0.25,
652 0.25, 0.23, 0.20, 0.19, 0.17,
653 0.17, 0.17, 0.2, 0.23};
654 */
655 // Float_t aAbsSiO2[kNbins]; //quartz 30mm
656 for(i=0;i<kNbins;i++)
657 {
658 aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV
659 rindexAir[i]=0;
660 rindexSiO2[i]=1.458; //refractive index for qwarts
661 rindexCathodeNext[i]=0;
662 efficAll[i]=1.;
663
664 // aAbsSiO2[i]=28.5; //quartz 30mm
665 absorAir[i]=0.3;
666 absorbCathodeNext[i]=0;
667
668 }
669
670
671 gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
672 // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
673 gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
674 gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
675 gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
661663fa 676}
dc7ca31d 677
661663fa 678//-------------------------------------------------------------------
679void AliT0v1::Init()
680{
681// Initialises version 0 of the Forward Multiplicity Detector
682//
683 AliT0::Init();
684 fIdSens1=gMC->VolId("0REG");
dc7ca31d 685
661663fa 686 AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName()));
dc7ca31d 687}
688
689//-------------------------------------------------------------------
690
691void AliT0v1::StepManager()
692{
693 //
694 // Called for every step in the T0 Detector
695 //
696 Int_t id,copy,copy1;
697 static Float_t hits[6];
698 static Int_t vol[2];
699 TLorentzVector pos;
700
701 // TClonesArray &lhits = *fHits;
702
703 if(!gMC->IsTrackAlive()) return; // particle has disappeared
704
705
706 // If particles is photon then ...
707
708 if (gMC->TrackPid() == 50000050)
709 {
710 id=gMC->CurrentVolID(copy);
711
712
713 // Check the sensetive volume
714 if(id==fIdSens1 ) {
715 if(gMC->IsTrackEntering()) {
716 gMC->CurrentVolOffID(2,copy);
717 vol[1]=copy;
718 gMC->CurrentVolOffID(3,copy1);
719 vol[0]=copy1;
720 gMC->TrackPosition(pos);
721 hits[0] = pos[0];
722 hits[1] = pos[1];
723 hits[2] = pos[2];
724 if(pos[2]<0) vol[0]=2;
725 if(pos[2]>=0) vol[0]=1;
726
727 Float_t etot=gMC->Etot();
728 hits[3]=etot;
729 Int_t iPart= gMC->TrackPid();
730 Int_t partID=gMC->IdFromPDG(iPart);
731 hits[4]=partID;
732 Float_t ttime=gMC->TrackTime();
733 hits[5]=ttime*1e12;
734 if(RegisterPhotoE(vol[1]-1,hits[3]))
735 AddHit(fIshunt,vol,hits);
736
737 }
738 // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl;
739
740 /*
741 printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
742 gAlice->GetMCApp()->GetCurrentTrackNumber(),
743 gMC->IsTrackAlive(),
744 gMC->IsTrackDisappeared(),
745 gMC->IsTrackEntering(),
746 gMC->IsTrackExiting(),
747 gMC->IsTrackInside(),
748 gMC->IsTrackOut(),
749 gMC->IsTrackStop(),
750 gMC->IsNewTrack());
751 */
752 } //sensitive
753 } //photon
754}
755
756
757
758//------------------------------------------------------------------------
759Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy)
760{
761
762
763 // Float_t hc=197.326960*1.e6; //mev*nm
764 Double_t hc=1.973*1.e-6; //gev*nm
765 Float_t lambda=hc/energy;
766 Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
767 Double_t p = gRandom->Rndm();
768
769 if (p > eff)
770 return kFALSE;
771
772 return kTRUE;
773}
774
775//----------------------------------------------------------------------------
776
777
778
779
780
781