Simulation of CPV raw data is added
[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
e906b7a3 126 // -0.75 , 4.45, 10., // -76.5+6.05+69.7
127 // 1.25 , 4.45, 10., //-76.5+8.05+69.7
128 -0.75 , 4.5, 10., // -76.5+6.05+69.7
129 1.25 , 4.5, 10., //-76.5+8.05+69.7
3af467f5 130 1.25 , 5.1, 10, //-76.5+8.05+69.7
dc7ca31d 131 6.8 , 5.1, 10.}; //-62.9+0.00+69.7
132
133 Float_t pstart[3]={4., 12.5,6.8};
e906b7a3 134 Float_t pinstart[3]={0.,1.45,6.5};
135 Float_t ppmt[3]={0.,1.4,3.5};
dc7ca31d 136 Float_t ptop[3]={0.,1.,1.0};
137 Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov
138 Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection
139 Float_t pbot[3]={0.6,1.2,0.1};
140 Float_t pglass[3]={1.2,1.3,2.};
141 Float_t pcer[3]={0.9,1.1,1.35};
142 Float_t psteel[3]={0.9,1.1,0.15};
e906b7a3 143 Float_t psupport1[3] = {4.51,4.52,4.0};//C kozhuh vnutri
f3c87c7b 144 Float_t psupport2[3] = {9.5,9.6,4.0};// snaruzhi C
145 Float_t psupport3[3] = {4.51,9.5, 0.05};//kryshki C
e906b7a3 146 Float_t psupport5[3] = {1.44,1.45,6.5}; // stakanchik dlai feu C
dc7ca31d 147 Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al
e906b7a3 148 Float_t psupport7[3] = {1.44,1.45,0.4}; //kolechko snaruzhu stakanchika Al
dc7ca31d 149
150 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
151 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
152 Float_t ppcon[70];
153 ppcon[0] = 0;
154 ppcon[1] = 360;
155 ppcon[2] = 13;
156// 1:
157 ppcon[3] = 7.2;
158 ppcon[4] = 4.4;
159 ppcon[5] = 4.5;
160// 2
161 ppcon[6] = 8.2;
162 ppcon[7] = 4.4;
163 ppcon[8] = 4.5;
164// 3
165 ppcon[9] = 8.2;
166 ppcon[10] = 4.4;
167 ppcon[11] = 5.1;
168
169// 4
170
171 ppcon[12] = 8.3;
172 ppcon[13] = 4.4;
173 ppcon[14] = 5.1;
174// 5
175
176 ppcon[15] = 8.3;
177 ppcon[16] = 4.9;
178 ppcon[17] = 5.1;
179
180// 6
181 ppcon[18] = 15.;
182 ppcon[19] = 4.9;
183 ppcon[20] = 5.1;
184
185// 7
186 ppcon[21] = 15.;
187 ppcon[22] = 3.15 ;
188 ppcon[23] = 5.1;
189
190/// 8
191 ppcon[24] = 15.01;
192 ppcon[25] = 3.15;
193 ppcon[26] = 5.1;
194
195/// 9
196 ppcon[27] = 15.01;
197 ppcon[28] = 3.15;
198 ppcon[29] = 3.25;
199
200
201/// 9
202 ppcon[30] = 19.71;
203 ppcon[31] = 3.15;
204 ppcon[32] = 3.25;
205// 10
206 ppcon[33] = 19.8;
207 ppcon[34] = 3.15;
208 ppcon[35] = 3.25;
209 // 11
210 ppcon[36] = 19.8;
211 ppcon[37] = 3.15;
212 ppcon[38] = 7.6;
213
214 // 14
215
3af467f5 216 ppcon[39] = 19.99;
dc7ca31d 217 ppcon[40] = 3.15;
218 ppcon[41] = 7.6;
219
220
221 gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
222 z = -zdetC;
223 gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
224
225//-------------------------------------------------------------------
226 // T0 volume
227 //-------------------------------------------------------------------
228
229
230 gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
dc7ca31d 231 gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
232 // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
233
234//T0 interior
235 gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
236 gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);
237
238 gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
239 gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
240 gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
241 gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
242 // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
243 gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
244 gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
245 gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
246
247
248
249 //non-absorber side support and T0A !!!!!!!!
250
f3c87c7b 251 TGeoPcon * supPgon = new TGeoPcon("0supPgon",0.,360.,4);
dc7ca31d 252 supPgon->DefineSection(0, 0, 4.1, 5.5);
253 supPgon->DefineSection(1, 10.5 , 4.1, 5.5);
254 supPgon->DefineSection(2, 10.5 , 4.1, 4.9);
255 supPgon->DefineSection(3, 12.5 , 4.1, 4.9);
f3c87c7b 256 TGeoTranslation *trPgon = new TGeoTranslation("0trPgon",0,0,0);
dc7ca31d 257 trPgon->RegisterYourself();
258
1b070c3c 259 TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment
dc7ca31d 260 TGeoVolume *ins = gGeoManager->GetVolume("0INS");
261
f3c87c7b 262 new TGeoTube("0HOLE", 0, 1.51, 6.5);
dc7ca31d 263 TGeoTranslation *tr [12];
06cb77ae 264 Double_t angle = 2 * TMath::Pi() / 12;
b92d4288 265 Char_t nameTr[40];
dc7ca31d 266 for (Int_t itr=0; itr<12; itr++) {
f3c87c7b 267 sprintf (nameTr,"0TR%i",itr+1);
fe20da59 268 x = 6.5 * TMath::Sin(itr * angle);
dc7ca31d 269 y = 6.5 * TMath::Cos(itr * angle);
270 tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
fe20da59 271 tr[itr]->RegisterYourself();
06cb77ae 272 stlin->AddNode(ins,itr+13,tr[itr]);
dc7ca31d 273 }
f3c87c7b 274 TGeoCompositeShape *supsh = new TGeoCompositeShape("0supsh","0supPgon:0trPgon-(0HOLE:0TR1+0HOLE:0TR2+0HOLE:0TR3+0HOLE:0TR4+0HOLE:0TR5+0HOLE:0TR6+0HOLE:0TR7+0HOLE:0TR8+0HOLE:0TR9+0HOLE:0TR10+0HOLE:0TR11+0HOLE:0TR12)");
dc7ca31d 275
276 TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$");
277 TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal);
278 stlin->AddNode(supA,1,new TGeoTranslation(0,0,0));
279
280 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
281 alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA ));
282
283 // T0A finished
284
285 //T0C
286// first ring: 12 units of Scintillator+PMT+divider
17507186 287 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.6 / zdetC);
dc7ca31d 288 Float_t phi[3];
289 for (is=0; is<12; is++)
290 {
291
6e1147e5 292 x = 6.6 * TMath::Sin(is * angle);
293 y = 6.6 * TMath::Cos(is * angle);
dc7ca31d 294
295 phi[0] = -30 * is;
296 phi[1] = 90 - is * 30;
297 phi[2] = 90 - is * 30;
298 for (Int_t j = 0; j < 3; j++)
299 if (phi[j] < 0) phi[j] += 360;
300
301 AliMatrix (idrotm[902 + is], 90., phi[0],
302 90. + theta, phi[1],
303 theta, phi[2]);
17507186 304 z=-pstart[2]+pinstart[2]+0.3;
dc7ca31d 305 gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
306 }
307
308 x=0;
309 y=0;
17507186 310 // z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
f3c87c7b 311 z=-pinstart[2]+ppmt[2]+0.08; //+psupport6[2];
dc7ca31d 312 gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
313 // PMT
314
315 // Entry window (glass)
316 gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
317 z=-ppmt[2]+ptop[2];
318 gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
319 //"metal" air volume to simulate reclection
320 gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3);
321 gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
322
323 //Fotokatod
324 gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3);
325 z = -ppmt[2] + 2 * ptop[2] + preg[2];
326 gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY");
327 // Bottom glass
328 gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
329 z=ppmt[2]-pbot[2];
330 gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
331 // Side cylinder glass
332 gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
333 z=ppmt[2]-pglass[2];
334 gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
335 //PMT electrodes support structure
336 gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
337 gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
338 z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
339 gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
340 z +=psteel[2]+pcer[2];
341 gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
342
343 //Support absorber (C) side
f3c87c7b 344 z=-pstart[2]+psupport1[2];// 0.05; //0.1;
dc7ca31d 345 gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
346 gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
f3c87c7b 347 z=-pstart[2]+psupport3[2];// - 0.1;
dc7ca31d 348 gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
f3c87c7b 349 z=-pstart[2]+2.*psupport1[2];//+0.1;
dc7ca31d 350 gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
351 gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
f3c87c7b 352 z=-pinstart[2]+psupport6[2]; //-0.1;
dc7ca31d 353 gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
354
355 z=pinstart[2]-psupport7[2];
356 gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko
357
358
359 Float_t par[3];
360 par[0]=4.4;
361 par[1]=4.5;
362 par[2]=0.5;
363 gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
364 z=ppcon[3]+par[2];
365 gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
366 z += par[2];
367 par[0]=4.4;
368 par[1]=5.1;
369 par[2]=0.05;
370 gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
371 z += par[2];
372 gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
373 z=z+par[2];
374 par[0]=4.9;
375 par[1]=5.0;
376 par[2]=6.7/2;
377 gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
378 z += par[2];
379 gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
380 z += par[2];
381
382 par[0]=3.15;
383 par[1]=4.9;
3af467f5 384 par[2]=0.01/2;
385
dc7ca31d 386 gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
387
3af467f5 388 z += par[2];
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
3af467f5 400 par[1]=7.4;
401 par[2]=0.01;
dc7ca31d 402 gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
3af467f5 403 // z += par[2];
404 z = ppcon[39] - par[2];
dc7ca31d 405 gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
406 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
3af467f5 407 par[1]=7.4;
dc7ca31d 408 par[2]=0.01;
dc7ca31d 409 gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
17507186 410 gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY");
dc7ca31d 411
412
413
414
415}
416//------------------------------------------------------------------------
417void AliT0v1::AddAlignableVolumes() const
418{
419 //
420 // Create entries for alignable volumes associating the symbolic volume
421 // name with the corresponding volume path. Needs to be syncronized with
422 // eventual changes in the geometry.
423 //
424
06cb77ae 425 // TString volPath;
426 // TString symName, sn;
427
428
429
430
dc7ca31d 431 TString volPath;
432 TString symName, sn;
433
434 TString vpA = "/ALIC_1/0STL_1/0INS_";
435 TString vpC = "/ALIC_1/0STR_1/0INS_";
436 TString vpInside = "/0PMT_1/0TOP_1";
06cb77ae 437 TString vpAalign = "/ALIC_1/0STL_1";
438 TString vpCalign = "/ALIC_1/0STR_1";
439
440 for (Int_t imod=0; imod<26; imod++)
441 {
442 if (imod < 24)
443 {
444 if (imod < 12)
445 { volPath = vpC; sn="T0/C/PMT";}
446 else
447 { volPath = vpA; sn="T0/A/PMT";}
448 volPath += imod+1;
449 volPath += vpInside;
450 symName = sn;
451 symName += imod+1;
452 }
453 else if (imod == 24)
454 {volPath = vpCalign; symName="/ALIC_1/0STR_1";}
455 else
456 {volPath = vpAalign; symName="/ALIC_1/0STL_1";}
dc7ca31d 457
06cb77ae 458 AliDebug(2,"--------------------------------------------");
459 AliDebug(2,Form("Alignable object %d", imod));
460 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
461 AliDebug(2,Form("symName=%s\n",symName.Data()));
462 AliDebug(2,"--------------------------------------------");
463 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
464 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
465symName.Data(),volPath.Data()));
466 }
467 /*
dc7ca31d 468 for (Int_t imod=0; imod<24; imod++)
469 {
06cb77ae 470 if (imod < 12)
471 { volPath = vpC; sn="T0/C/PMT";}
472 else
473 { volPath = vpA; sn="T0/A/PMT";}
dc7ca31d 474 volPath += imod+1;
475 volPath += vpInside;
dc7ca31d 476 symName = sn;
477 symName += imod+1;
06cb77ae 478
479
dc7ca31d 480 AliDebug(2,"--------------------------------------------");
481 AliDebug(2,Form("Alignable object %d", imod));
482 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
483 AliDebug(2,Form("symName=%s\n",symName.Data()));
484 AliDebug(2,"--------------------------------------------");
1b070c3c 485 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
06cb77ae 486 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid",
487symName.Data(),volPath.Data()));
488 }
489 */
dc7ca31d 490}
491//------------------------------------------------------------------------
492void AliT0v1::CreateMaterials()
493{
494 Int_t isxfld = gAlice->Field()->Integ();
495 Float_t sxmgmx = gAlice->Field()->Max();
496 // Float_t a,z,d,radl,absl,buf[1];
497 // Int_t nbuf;
dc7ca31d 498// AIR
499
500 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
501 Float_t zAir[4]={6.,7.,8.,18.};
502 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
503 Float_t dAir = 1.20479E-3;
504
505// Scintillator CH
506 Float_t ascin[2]={1.01,12.01};
507 Float_t zscin[2]={1,6};
508 Float_t wscin[2]={1,1};
509 Float_t denscin=1.03;
510//Lucite C(CH3)CO2CH3
511 Float_t alucite[3]={1.01,12.01,15.999};
512 Float_t zlucite[3]={1,6,8};
513 Float_t wlucite[3]={8,5,2};
514 Float_t denlucite=1.16;
515 // PMT glass SiO2
516 Float_t aglass[2]={28.0855,15.9994};
517 Float_t zglass[2]={14.,8.};
518 Float_t wglass[2]={1.,2.};
519 Float_t dglass=2.65;
520// Ceramic 97.2% Al2O3 , 2.8% SiO2
521 // Float_t wcer[2]={0.972,0.028};
522 Float_t aCeramic[2] = { 26.981539,15.9994 };
523 Float_t zCeramic[2] = { 13.,8. };
524 Float_t wCeramic[2] = { 2.,3. };
525 Float_t denscer = 3.6;
526
527// Brass 80% Cu, 20% Zn
528 Float_t abrass[2] = {63.546,65.39};
529 Float_t zbrass[2] = {29,30};
530 Float_t wbrass[2] = {0.8,0.2};
531 Float_t denbrass=8.96;
532
533//Ribber C6H12S
534 Float_t aribber[3] = {12.,1.,32.};
535 Float_t zribber[3] = {6.,1.,16.};
536 Float_t wribber[3] = {6.,12.,1.};
537 Float_t denribber=0.8;
538// Support inside
539 Float_t asupport[2] = {12.,1.};
540 Float_t zsupport[2] = {6.,1.};
541 Float_t wsupport[2] = {1.,1.};
542 Float_t densupport=0.1;
543
544//*** Definition Of avaible T0 materials ***
545 AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
546 AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
547 AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
548 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
549 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
550
551 AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic);
552 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
553 /*
554 char namate[21]="";
555
556 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
557 acer[0]=a;
558
559 zcer[0]=z;
560 gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
561 acer[1]=a;
562 zcer[1]=z;
563 AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer);
564 */
565 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
566 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
567 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
568 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
569 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
570 AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass);
571 AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass);
572 AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir);
573 AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir);
574
575 AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
576 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
577 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
578 AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
579 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
580 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
581 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
582 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
583 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
584 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
585 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
586 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
587 AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
588 AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
589 AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
590 AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
7235aed2 591
592 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
593
594
595}
596//---------------------------------------------------------------------
597void AliT0v1::DrawDetector()
598{
599//
600// Draw a shaded view of the Forward multiplicity detector version 0
601//
602
603 //Set ALIC mother transparent
604 gMC->Gsatt("ALIC","SEEN",0);
605 //
606 //Set volumes visible
607 // gMC->Gsatt("0STR","SEEN",0);
608 // gMC->Gsatt("0INS","SEEN",0);
609 // gMC->Gsatt("0PMT","SEEN",1);
610 // gMC->Gsatt("0DIV","SEEN",1);
611 //
612 gMC->Gdopt("hide","off");
613 gMC->Gdopt("shad","on");
614 gMC->SetClipBox(".");
615 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
616 gMC->DefaultRange();
617 gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6);
618 //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view
619 gMC->Gdhead(1111,"T-Zero detector");
620 gMC->Gdopt("hide","off");
621}
dc7ca31d 622
7235aed2 623//-------------------------------------------------------------------
661663fa 624void AliT0v1::DefineOpticalProperties()
7235aed2 625{
661663fa 626// Optical properties definition.
7235aed2 627 Int_t *idtmed = fIdtmed->GetArray();
dc7ca31d 628// Definition Cherenkov parameters
629 int i;
630 const Int_t kNbins=31;
631
632 Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
633
634 // quartz 20mm
635 Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4,
636 25.9, 25.3, 24.9, 24.5, 23.7,
637 23.2, 22.8, 22.4, 21.8, 21.3,
638 22.8, 22.1, 21.7, 21.2, 20.5,
639 19.9, 19.3, 18.7, 18.0, 17.1,
640 16.3, 15.3, 14.3, 14.3 };
641
642 Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
643 4.48, 4.58, 4.69, 4.81, 4.93,
644 5.05, 5.19, 5.33, 5.48, 5.63,
645 5.8, 5.97, 6.16, 6.36, 6.57,
646 6.8, 7.04, 7.3, 7.58, 7.89,
647 8.22, 8.57, 8.97, 9.39 };
648 /*
649 Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
650 0.21, 0.22, 0.23, 0.24, 0.26,
651 0.27, 0.29, 0.30, 0.29, 0.29,
652 0.28, 0.28, 0.27, 0.26, 0.25,
653 0.25, 0.23, 0.20, 0.19, 0.17,
654 0.17, 0.17, 0.2, 0.23};
655 */
656 // Float_t aAbsSiO2[kNbins]; //quartz 30mm
657 for(i=0;i<kNbins;i++)
658 {
659 aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV
660 rindexAir[i]=0;
661 rindexSiO2[i]=1.458; //refractive index for qwarts
662 rindexCathodeNext[i]=0;
663 efficAll[i]=1.;
664
665 // aAbsSiO2[i]=28.5; //quartz 30mm
666 absorAir[i]=0.3;
667 absorbCathodeNext[i]=0;
668
669 }
670
671
672 gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
673 // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
674 gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
675 gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
676 gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
661663fa 677}
dc7ca31d 678
661663fa 679//-------------------------------------------------------------------
680void AliT0v1::Init()
681{
682// Initialises version 0 of the Forward Multiplicity Detector
683//
684 AliT0::Init();
685 fIdSens1=gMC->VolId("0REG");
dc7ca31d 686
661663fa 687 AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName()));
dc7ca31d 688}
689
690//-------------------------------------------------------------------
691
692void AliT0v1::StepManager()
693{
694 //
695 // Called for every step in the T0 Detector
696 //
697 Int_t id,copy,copy1;
698 static Float_t hits[6];
699 static Int_t vol[2];
700 TLorentzVector pos;
701
702 // TClonesArray &lhits = *fHits;
703
704 if(!gMC->IsTrackAlive()) return; // particle has disappeared
705
706
707 // If particles is photon then ...
708
709 if (gMC->TrackPid() == 50000050)
710 {
711 id=gMC->CurrentVolID(copy);
712
713
714 // Check the sensetive volume
715 if(id==fIdSens1 ) {
716 if(gMC->IsTrackEntering()) {
717 gMC->CurrentVolOffID(2,copy);
718 vol[1]=copy;
719 gMC->CurrentVolOffID(3,copy1);
720 vol[0]=copy1;
721 gMC->TrackPosition(pos);
722 hits[0] = pos[0];
723 hits[1] = pos[1];
724 hits[2] = pos[2];
725 if(pos[2]<0) vol[0]=2;
726 if(pos[2]>=0) vol[0]=1;
727
728 Float_t etot=gMC->Etot();
729 hits[3]=etot;
730 Int_t iPart= gMC->TrackPid();
731 Int_t partID=gMC->IdFromPDG(iPart);
732 hits[4]=partID;
733 Float_t ttime=gMC->TrackTime();
734 hits[5]=ttime*1e12;
735 if(RegisterPhotoE(vol[1]-1,hits[3]))
736 AddHit(fIshunt,vol,hits);
737
738 }
739 // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl;
740
741 /*
742 printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
743 gAlice->GetMCApp()->GetCurrentTrackNumber(),
744 gMC->IsTrackAlive(),
745 gMC->IsTrackDisappeared(),
746 gMC->IsTrackEntering(),
747 gMC->IsTrackExiting(),
748 gMC->IsTrackInside(),
749 gMC->IsTrackOut(),
750 gMC->IsTrackStop(),
751 gMC->IsNewTrack());
752 */
753 } //sensitive
754 } //photon
755}
756
757
758
759//------------------------------------------------------------------------
760Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy)
761{
762
763
764 // Float_t hc=197.326960*1.e6; //mev*nm
765 Double_t hc=1.973*1.e-6; //gev*nm
766 Float_t lambda=hc/energy;
767 Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
768 Double_t p = gRandom->Rndm();
769
770 if (p > eff)
771 return kFALSE;
772
773 return kTRUE;
774}
775
776//----------------------------------------------------------------------------
777
778
779
780
781
782