few mistyping fixed
[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
f7a1cc68 34#include "TGeoCompositeShape.h"
dc7ca31d 35#include "TGeoManager.h"
268f57b1 36#include "TGeoMatrix.h"
06cb77ae 37#include "TGeoPcon.h"
dc7ca31d 38#include "TGeoTube.h"
f7a1cc68 39#include <TGeoGlobalMagField.h>
dc7ca31d 40#include <TGraph.h>
f7a1cc68 41#include <TLorentzVector.h>
42#include <TMath.h>
43#include <TVirtualMC.h>
dc7ca31d 44
45#include "AliLog.h"
46#include "AliMagF.h"
47#include "AliRun.h"
48
49#include "AliT0hit.h"
50#include "AliT0v1.h"
51#include "AliT0Parameters.h"
52
53#include "AliMC.h"
54#include "AliCDBLocal.h"
55#include "AliCDBStorage.h"
56#include "AliCDBManager.h"
57#include "AliCDBEntry.h"
fd38174f 58#include "AliTrackReference.h"
dc7ca31d 59
60ClassImp(AliT0v1)
61
2ee4b412 62
63//--------------------------------------------------------------------
64AliT0v1::AliT0v1(): AliT0(),
65 fIdSens1(0),
66 fEffPMT(0x0)
67
68{
69 //
70 // Standart constructor for T0 Detector version 0
71}
dc7ca31d 72//--------------------------------------------------------------------
73AliT0v1::AliT0v1(const char *name, const char *title):
74 AliT0(name,title),
2ee4b412 75 fIdSens1(0),
76 fEffPMT(0x0)
77
dc7ca31d 78{
79 //
80 // Standart constructor for T0 Detector version 0
81 //
82 fIshunt = 2;
83 AliT0Parameters* param = AliT0Parameters::Instance();
84 for (Int_t i=0; i<24; i++){
85 TGraph* grEff = param ->GetPMTeff(i);
86 fEffPMT.AddAtAndExpand(grEff,i);
87 }
88}
89//_____________________________________________________________________________
90
91AliT0v1::~AliT0v1()
92{
93 // desctructor
94}
95
96//-------------------------------------------------------------------------
97void AliT0v1::CreateGeometry()
98{
99 //
100 // Create the geometry of T0 Detector version 0
101 //
102 // begin Html
103 /*
104 <img src="gif/AliT0v0.gif">
105 */
106 //
107
108
109 Int_t *idtmed = fIdtmed->GetArray();
110 /*
111 AliT0Parameters* param = AliT0Parameters::Instance();
112 param->Init();
113 Float_t zdetC = param->GetZposition(0);
114 Float_t zdetA = param->GetZposition(1);
115 */
116 Float_t zdetC = 69.7;
117 Float_t zdetA = 373.;
118
119 Int_t is;
120 Int_t idrotm[999];
06cb77ae 121 Double_t x,y,z;
dc7ca31d 122 //C T0 mother volume
123 Float_t pstartR[18]={0., 360., 5.,
124 -6.8, 4.25, 10., //-76.5+0.00+69.7
e906b7a3 125 // -0.75 , 4.45, 10., // -76.5+6.05+69.7
126 // 1.25 , 4.45, 10., //-76.5+8.05+69.7
127 -0.75 , 4.5, 10., // -76.5+6.05+69.7
128 1.25 , 4.5, 10., //-76.5+8.05+69.7
3af467f5 129 1.25 , 5.1, 10, //-76.5+8.05+69.7
dc7ca31d 130 6.8 , 5.1, 10.}; //-62.9+0.00+69.7
131
132 Float_t pstart[3]={4., 12.5,6.8};
e906b7a3 133 Float_t pinstart[3]={0.,1.45,6.5};
134 Float_t ppmt[3]={0.,1.4,3.5};
dc7ca31d 135 Float_t ptop[3]={0.,1.,1.0};
136 Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov
137 Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection
138 Float_t pbot[3]={0.6,1.2,0.1};
139 Float_t pglass[3]={1.2,1.3,2.};
140 Float_t pcer[3]={0.9,1.1,1.35};
141 Float_t psteel[3]={0.9,1.1,0.15};
e906b7a3 142 Float_t psupport1[3] = {4.51,4.52,4.0};//C kozhuh vnutri
f3c87c7b 143 Float_t psupport2[3] = {9.5,9.6,4.0};// snaruzhi C
123019fa 144 Float_t psupport3[3] = {4.52,9.5, 0.05};//kryshki C
e906b7a3 145 Float_t psupport5[3] = {1.44,1.45,6.5}; // stakanchik dlai feu C
dc7ca31d 146 Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al
e906b7a3 147 Float_t psupport7[3] = {1.44,1.45,0.4}; //kolechko snaruzhu stakanchika Al
dc7ca31d 148
149 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
150 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
151 Float_t ppcon[70];
152 ppcon[0] = 0;
153 ppcon[1] = 360;
154 ppcon[2] = 13;
155// 1:
156 ppcon[3] = 7.2;
157 ppcon[4] = 4.4;
158 ppcon[5] = 4.5;
159// 2
160 ppcon[6] = 8.2;
161 ppcon[7] = 4.4;
162 ppcon[8] = 4.5;
163// 3
164 ppcon[9] = 8.2;
165 ppcon[10] = 4.4;
166 ppcon[11] = 5.1;
167
168// 4
169
170 ppcon[12] = 8.3;
171 ppcon[13] = 4.4;
172 ppcon[14] = 5.1;
173// 5
174
175 ppcon[15] = 8.3;
176 ppcon[16] = 4.9;
177 ppcon[17] = 5.1;
178
179// 6
180 ppcon[18] = 15.;
181 ppcon[19] = 4.9;
182 ppcon[20] = 5.1;
183
184// 7
185 ppcon[21] = 15.;
186 ppcon[22] = 3.15 ;
187 ppcon[23] = 5.1;
188
189/// 8
190 ppcon[24] = 15.01;
191 ppcon[25] = 3.15;
192 ppcon[26] = 5.1;
193
194/// 9
195 ppcon[27] = 15.01;
196 ppcon[28] = 3.15;
197 ppcon[29] = 3.25;
198
199
200/// 9
201 ppcon[30] = 19.71;
202 ppcon[31] = 3.15;
203 ppcon[32] = 3.25;
204// 10
205 ppcon[33] = 19.8;
206 ppcon[34] = 3.15;
207 ppcon[35] = 3.25;
208 // 11
209 ppcon[36] = 19.8;
210 ppcon[37] = 3.15;
211 ppcon[38] = 7.6;
212
213 // 14
214
3af467f5 215 ppcon[39] = 19.99;
dc7ca31d 216 ppcon[40] = 3.15;
217 ppcon[41] = 7.6;
218
219
220 gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
221 z = -zdetC;
222 gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
223
224//-------------------------------------------------------------------
225 // T0 volume
226 //-------------------------------------------------------------------
227
228
229 gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
dc7ca31d 230 gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
231 // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
232
233//T0 interior
234 gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
235 gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);
236
237 gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
238 gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
239 gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
240 gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
241 // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
242 gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
243 gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
244 gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
245
246
247
248 //non-absorber side support and T0A !!!!!!!!
249
f3c87c7b 250 TGeoPcon * supPgon = new TGeoPcon("0supPgon",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);
f3c87c7b 255 TGeoTranslation *trPgon = new TGeoTranslation("0trPgon",0,0,0);
dc7ca31d 256 trPgon->RegisterYourself();
257
1b070c3c 258 TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment
dc7ca31d 259 TGeoVolume *ins = gGeoManager->GetVolume("0INS");
260
f3c87c7b 261 new TGeoTube("0HOLE", 0, 1.51, 6.5);
dc7ca31d 262 TGeoTranslation *tr [12];
06cb77ae 263 Double_t angle = 2 * TMath::Pi() / 12;
b92d4288 264 Char_t nameTr[40];
dc7ca31d 265 for (Int_t itr=0; itr<12; itr++) {
f3c87c7b 266 sprintf (nameTr,"0TR%i",itr+1);
fe20da59 267 x = 6.5 * TMath::Sin(itr * angle);
dc7ca31d 268 y = 6.5 * TMath::Cos(itr * angle);
269 tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
fe20da59 270 tr[itr]->RegisterYourself();
06cb77ae 271 stlin->AddNode(ins,itr+13,tr[itr]);
dc7ca31d 272 }
f3c87c7b 273 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 274
275 TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$");
276 TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal);
277 stlin->AddNode(supA,1,new TGeoTranslation(0,0,0));
278
279 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
280 alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA ));
281
282 // T0A finished
283
284 //T0C
285// first ring: 12 units of Scintillator+PMT+divider
17507186 286 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.6 / zdetC);
dc7ca31d 287 Float_t phi[3];
288 for (is=0; is<12; is++)
289 {
290
6e1147e5 291 x = 6.6 * TMath::Sin(is * angle);
292 y = 6.6 * TMath::Cos(is * angle);
dc7ca31d 293
294 phi[0] = -30 * is;
295 phi[1] = 90 - is * 30;
296 phi[2] = 90 - is * 30;
297 for (Int_t j = 0; j < 3; j++)
298 if (phi[j] < 0) phi[j] += 360;
299
300 AliMatrix (idrotm[902 + is], 90., phi[0],
301 90. + theta, phi[1],
302 theta, phi[2]);
17507186 303 z=-pstart[2]+pinstart[2]+0.3;
dc7ca31d 304 gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
305 }
306
307 x=0;
308 y=0;
17507186 309 // z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
f3c87c7b 310 z=-pinstart[2]+ppmt[2]+0.08; //+psupport6[2];
dc7ca31d 311 gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
312 // PMT
313
314 // Entry window (glass)
315 gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
316 z=-ppmt[2]+ptop[2];
317 gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
318 //"metal" air volume to simulate reclection
319 gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3);
320 gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
321
322 //Fotokatod
323 gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3);
324 z = -ppmt[2] + 2 * ptop[2] + preg[2];
325 gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY");
326 // Bottom glass
327 gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
328 z=ppmt[2]-pbot[2];
329 gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
330 // Side cylinder glass
331 gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
332 z=ppmt[2]-pglass[2];
333 gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
334 //PMT electrodes support structure
335 gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
336 gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
337 z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
338 gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
339 z +=psteel[2]+pcer[2];
340 gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
341
342 //Support absorber (C) side
f3c87c7b 343 z=-pstart[2]+psupport1[2];// 0.05; //0.1;
dc7ca31d 344 gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
345 gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
f3c87c7b 346 z=-pstart[2]+psupport3[2];// - 0.1;
dc7ca31d 347 gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
f3c87c7b 348 z=-pstart[2]+2.*psupport1[2];//+0.1;
dc7ca31d 349 gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
350 gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
f3c87c7b 351 z=-pinstart[2]+psupport6[2]; //-0.1;
dc7ca31d 352 gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
353
354 z=pinstart[2]-psupport7[2];
e1622a71 355 // gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko
dc7ca31d 356
357
358 Float_t par[3];
359 par[0]=4.4;
360 par[1]=4.5;
361 par[2]=0.5;
362 gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
363 z=ppcon[3]+par[2];
364 gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
365 z += par[2];
366 par[0]=4.4;
367 par[1]=5.1;
368 par[2]=0.05;
369 gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
370 z += par[2];
371 gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
372 z=z+par[2];
373 par[0]=4.9;
374 par[1]=5.0;
375 par[2]=6.7/2;
376 gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
377 z += par[2];
378 gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
379 z += par[2];
380
381 par[0]=3.15;
382 par[1]=4.9;
3af467f5 383 par[2]=0.01/2;
384
dc7ca31d 385 gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
386
3af467f5 387 z += par[2];
388 // z -= par[2];
dc7ca31d 389 gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
390 z=z+par[2];
391 par[0]=3.15;
392 par[1]=3.16;
393 par[2]=4.7/2;
dc7ca31d 394 gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
395 z += par[2];
396 gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
397 z=z+par[2];
398 par[0]=3.16; // eta chast' prikruchena k absorberu
3af467f5 399 par[1]=7.4;
400 par[2]=0.01;
dc7ca31d 401 gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
3af467f5 402 // z += par[2];
403 z = ppcon[39] - par[2];
dc7ca31d 404 gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
405 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
3af467f5 406 par[1]=7.4;
dc7ca31d 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 }
dc7ca31d 466}
467//------------------------------------------------------------------------
468void AliT0v1::CreateMaterials()
469{
f7a1cc68 470 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
471 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
dc7ca31d 472 // Float_t a,z,d,radl,absl,buf[1];
473 // Int_t nbuf;
dc7ca31d 474// AIR
475
476 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
477 Float_t zAir[4]={6.,7.,8.,18.};
478 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
479 Float_t dAir = 1.20479E-3;
1972973f 480 Float_t dAir1 = 1.20479E-11;
481
dc7ca31d 482// Scintillator CH
483 Float_t ascin[2]={1.01,12.01};
484 Float_t zscin[2]={1,6};
485 Float_t wscin[2]={1,1};
486 Float_t denscin=1.03;
487//Lucite C(CH3)CO2CH3
488 Float_t alucite[3]={1.01,12.01,15.999};
489 Float_t zlucite[3]={1,6,8};
490 Float_t wlucite[3]={8,5,2};
491 Float_t denlucite=1.16;
492 // PMT glass SiO2
493 Float_t aglass[2]={28.0855,15.9994};
494 Float_t zglass[2]={14.,8.};
495 Float_t wglass[2]={1.,2.};
496 Float_t dglass=2.65;
497// Ceramic 97.2% Al2O3 , 2.8% SiO2
498 // Float_t wcer[2]={0.972,0.028};
499 Float_t aCeramic[2] = { 26.981539,15.9994 };
500 Float_t zCeramic[2] = { 13.,8. };
501 Float_t wCeramic[2] = { 2.,3. };
502 Float_t denscer = 3.6;
503
504// Brass 80% Cu, 20% Zn
505 Float_t abrass[2] = {63.546,65.39};
506 Float_t zbrass[2] = {29,30};
507 Float_t wbrass[2] = {0.8,0.2};
508 Float_t denbrass=8.96;
509
510//Ribber C6H12S
511 Float_t aribber[3] = {12.,1.,32.};
512 Float_t zribber[3] = {6.,1.,16.};
513 Float_t wribber[3] = {6.,12.,1.};
514 Float_t denribber=0.8;
515// Support inside
516 Float_t asupport[2] = {12.,1.};
517 Float_t zsupport[2] = {6.,1.};
518 Float_t wsupport[2] = {1.,1.};
519 Float_t densupport=0.1;
520
521//*** Definition Of avaible T0 materials ***
522 AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
1972973f 523 AliMixture(1, "Vacuum$", aAir, zAir, dAir1,4,wAir);
dc7ca31d 524 AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
525 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
526 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
527
528 AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic);
529 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
530 /*
531 char namate[21]="";
532
533 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
534 acer[0]=a;
535
536 zcer[0]=z;
537 gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
538 acer[1]=a;
539 zcer[1]=z;
540 AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer);
541 */
542 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
543 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
544 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
545 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
546 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
547 AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass);
548 AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass);
549 AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir);
550 AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir);
551
552 AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
553 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
554 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
555 AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
556 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
557 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
558 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
559 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
560 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
561 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
562 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
563 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
564 AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
565 AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
566 AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
567 AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
7235aed2 568
569 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
570
571
572}
573//---------------------------------------------------------------------
574void AliT0v1::DrawDetector()
575{
576//
577// Draw a shaded view of the Forward multiplicity detector version 0
578//
579
580 //Set ALIC mother transparent
581 gMC->Gsatt("ALIC","SEEN",0);
582 //
583 //Set volumes visible
584 // gMC->Gsatt("0STR","SEEN",0);
585 // gMC->Gsatt("0INS","SEEN",0);
586 // gMC->Gsatt("0PMT","SEEN",1);
587 // gMC->Gsatt("0DIV","SEEN",1);
588 //
589 gMC->Gdopt("hide","off");
590 gMC->Gdopt("shad","on");
591 gMC->SetClipBox(".");
592 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
593 gMC->DefaultRange();
594 gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6);
595 //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view
596 gMC->Gdhead(1111,"T-Zero detector");
597 gMC->Gdopt("hide","off");
598}
dc7ca31d 599
7235aed2 600//-------------------------------------------------------------------
661663fa 601void AliT0v1::DefineOpticalProperties()
7235aed2 602{
661663fa 603// Optical properties definition.
7235aed2 604 Int_t *idtmed = fIdtmed->GetArray();
dc7ca31d 605// Definition Cherenkov parameters
606 int i;
607 const Int_t kNbins=31;
608
609 Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
610
611 // quartz 20mm
612 Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4,
613 25.9, 25.3, 24.9, 24.5, 23.7,
614 23.2, 22.8, 22.4, 21.8, 21.3,
615 22.8, 22.1, 21.7, 21.2, 20.5,
616 19.9, 19.3, 18.7, 18.0, 17.1,
617 16.3, 15.3, 14.3, 14.3 };
618
619 Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
620 4.48, 4.58, 4.69, 4.81, 4.93,
621 5.05, 5.19, 5.33, 5.48, 5.63,
622 5.8, 5.97, 6.16, 6.36, 6.57,
623 6.8, 7.04, 7.3, 7.58, 7.89,
624 8.22, 8.57, 8.97, 9.39 };
625 /*
626 Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
627 0.21, 0.22, 0.23, 0.24, 0.26,
628 0.27, 0.29, 0.30, 0.29, 0.29,
629 0.28, 0.28, 0.27, 0.26, 0.25,
630 0.25, 0.23, 0.20, 0.19, 0.17,
631 0.17, 0.17, 0.2, 0.23};
632 */
633 // Float_t aAbsSiO2[kNbins]; //quartz 30mm
634 for(i=0;i<kNbins;i++)
635 {
636 aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV
637 rindexAir[i]=0;
638 rindexSiO2[i]=1.458; //refractive index for qwarts
639 rindexCathodeNext[i]=0;
640 efficAll[i]=1.;
641
642 // aAbsSiO2[i]=28.5; //quartz 30mm
643 absorAir[i]=0.3;
644 absorbCathodeNext[i]=0;
645
646 }
647
648
649 gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
650 // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
651 gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
652 gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
653 gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
661663fa 654}
dc7ca31d 655
661663fa 656//-------------------------------------------------------------------
657void AliT0v1::Init()
658{
659// Initialises version 0 of the Forward Multiplicity Detector
660//
661 AliT0::Init();
662 fIdSens1=gMC->VolId("0REG");
dc7ca31d 663
661663fa 664 AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName()));
dc7ca31d 665}
666
667//-------------------------------------------------------------------
668
669void AliT0v1::StepManager()
670{
671 //
672 // Called for every step in the T0 Detector
673 //
674 Int_t id,copy,copy1;
675 static Float_t hits[6];
676 static Int_t vol[2];
677 TLorentzVector pos;
fd38174f 678 TLorentzVector mom;
dc7ca31d 679
680 // TClonesArray &lhits = *fHits;
681
682 if(!gMC->IsTrackAlive()) return; // particle has disappeared
683
12a0111b 684 id=gMC->CurrentVolID(copy);
dc7ca31d 685
12a0111b 686 // Check the sensetive volume
687 if(id==fIdSens1 ) {
688 if(gMC->IsTrackEntering()) {
689 gMC->CurrentVolOffID(2,copy);
690 vol[1]=copy;
691 gMC->CurrentVolOffID(3,copy1);
692 vol[0]=copy1;
693 gMC->TrackPosition(pos);
694 hits[0] = pos[0];
695 hits[1] = pos[1];
696 hits[2] = pos[2];
697 if(pos[2]<0) vol[0] = 2;
698 if(pos[2]>=0) vol[0] = 1;
dc7ca31d 699
12a0111b 700 Float_t etot=gMC->Etot();
701 hits[3]=etot;
702 Int_t iPart= gMC->TrackPid();
703 Int_t partID=gMC->IdFromPDG(iPart);
704 hits[4]=partID;
705 Float_t ttime=gMC->TrackTime();
706 hits[5]=ttime*1e12;
707 if (gMC->TrackPid() == 50000050) // If particles is photon then ...
708 {
709 if(RegisterPhotoE(vol[1]-1,hits[3])) {
710 AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
711 // Create a track reference at the exit of photocatode
712 }
713 }
714
715 //charge particle
716 if ( gMC->TrackCharge() )
717 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kT0);
dc7ca31d 718
dc7ca31d 719 /*
720 printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
721 gAlice->GetMCApp()->GetCurrentTrackNumber(),
722 gMC->IsTrackAlive(),
723 gMC->IsTrackDisappeared(),
724 gMC->IsTrackEntering(),
725 gMC->IsTrackExiting(),
726 gMC->IsTrackInside(),
727 gMC->IsTrackOut(),
728 gMC->IsTrackStop(),
729 gMC->IsNewTrack());
12a0111b 730 */
731 }// trck entering
732 } //sensitive
733
dc7ca31d 734}
735
736
737
738//------------------------------------------------------------------------
739Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy)
740{
741
742
743 // Float_t hc=197.326960*1.e6; //mev*nm
744 Double_t hc=1.973*1.e-6; //gev*nm
745 Float_t lambda=hc/energy;
746 Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
747 Double_t p = gRandom->Rndm();
748
749 if (p > eff)
750 return kFALSE;
751
752 return kTRUE;
753}
754
755//----------------------------------------------------------------------------
756
757
758
759
760
761