Adding includes required by ROOT
[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"
41#include "TGeoPgon.h"
42#include "TGeoTube.h"
43#include "TGeoCompositeShape.h"
44#include <TGraph.h>
45
46#include "AliLog.h"
47#include "AliMagF.h"
48#include "AliRun.h"
49
50#include "AliT0hit.h"
51#include "AliT0v1.h"
52#include "AliT0Parameters.h"
53
54#include "AliMC.h"
55#include "AliCDBLocal.h"
56#include "AliCDBStorage.h"
57#include "AliCDBManager.h"
58#include "AliCDBEntry.h"
59
60ClassImp(AliT0v1)
61
62//--------------------------------------------------------------------
63AliT0v1::AliT0v1(const char *name, const char *title):
64 AliT0(name,title),
65 fIdSens1(0)
66{
67 //
68 // Standart constructor for T0 Detector version 0
69 //
70 fIshunt = 2;
71 AliT0Parameters* param = AliT0Parameters::Instance();
72 for (Int_t i=0; i<24; i++){
73 TGraph* grEff = param ->GetPMTeff(i);
74 fEffPMT.AddAtAndExpand(grEff,i);
75 }
76}
77//_____________________________________________________________________________
78
79AliT0v1::~AliT0v1()
80{
81 // desctructor
82}
83
84//-------------------------------------------------------------------------
85void AliT0v1::CreateGeometry()
86{
87 //
88 // Create the geometry of T0 Detector version 0
89 //
90 // begin Html
91 /*
92 <img src="gif/AliT0v0.gif">
93 */
94 //
95
96
97 Int_t *idtmed = fIdtmed->GetArray();
98 /*
99 AliT0Parameters* param = AliT0Parameters::Instance();
100 param->Init();
101 Float_t zdetC = param->GetZposition(0);
102 Float_t zdetA = param->GetZposition(1);
103 */
104 Float_t zdetC = 69.7;
105 Float_t zdetA = 373.;
106
107 Int_t is;
108 Int_t idrotm[999];
109 Float_t x,y,z;
110 //C T0 mother volume
111 Float_t pstartR[18]={0., 360., 5.,
112 -6.8, 4.25, 10., //-76.5+0.00+69.7
113 -0.75 , 4.5, 10., // -76.5+6.05+69.7
114 1.25 , 4.5, 10., //-76.5+8.05+69.7
115 1.25 , 5.1, 10., //-76.5+8.05+69.7
116 6.8 , 5.1, 10.}; //-62.9+0.00+69.7
117
118 Float_t pstart[3]={4., 12.5,6.8};
119 Float_t pinstart[3]={0.,1.6,6.5};
120 Float_t ppmt[3]={0.,1.5,3.5};
121 Float_t ptop[3]={0.,1.,1.0};
122 Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov
123 Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection
124 Float_t pbot[3]={0.6,1.2,0.1};
125 Float_t pglass[3]={1.2,1.3,2.};
126 Float_t pcer[3]={0.9,1.1,1.35};
127 Float_t psteel[3]={0.9,1.1,0.15};
128 Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri
129 Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C
130 Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C
131 Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C
132 Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al
133 Float_t psupport7[3] = {1.5,1.6,0.4}; //kolechko snaruzhu stakanchika Al
134
135 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
136 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
137 Float_t ppcon[70];
138 ppcon[0] = 0;
139 ppcon[1] = 360;
140 ppcon[2] = 13;
141// 1:
142 ppcon[3] = 7.2;
143 ppcon[4] = 4.4;
144 ppcon[5] = 4.5;
145// 2
146 ppcon[6] = 8.2;
147 ppcon[7] = 4.4;
148 ppcon[8] = 4.5;
149// 3
150 ppcon[9] = 8.2;
151 ppcon[10] = 4.4;
152 ppcon[11] = 5.1;
153
154// 4
155
156 ppcon[12] = 8.3;
157 ppcon[13] = 4.4;
158 ppcon[14] = 5.1;
159// 5
160
161 ppcon[15] = 8.3;
162 ppcon[16] = 4.9;
163 ppcon[17] = 5.1;
164
165// 6
166 ppcon[18] = 15.;
167 ppcon[19] = 4.9;
168 ppcon[20] = 5.1;
169
170// 7
171 ppcon[21] = 15.;
172 ppcon[22] = 3.15 ;
173 ppcon[23] = 5.1;
174
175/// 8
176 ppcon[24] = 15.01;
177 ppcon[25] = 3.15;
178 ppcon[26] = 5.1;
179
180/// 9
181 ppcon[27] = 15.01;
182 ppcon[28] = 3.15;
183 ppcon[29] = 3.25;
184
185
186/// 9
187 ppcon[30] = 19.71;
188 ppcon[31] = 3.15;
189 ppcon[32] = 3.25;
190// 10
191 ppcon[33] = 19.8;
192 ppcon[34] = 3.15;
193 ppcon[35] = 3.25;
194 // 11
195 ppcon[36] = 19.8;
196 ppcon[37] = 3.15;
197 ppcon[38] = 7.6;
198
199 // 14
200
201 ppcon[39] = 19.91;
202 ppcon[40] = 3.15;
203 ppcon[41] = 7.6;
204
205
206 gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
207 z = -zdetC;
208 gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
209
210//-------------------------------------------------------------------
211 // T0 volume
212 //-------------------------------------------------------------------
213
214
215 gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
dc7ca31d 216 gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY");
217 // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY");
218
219//T0 interior
220 gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
221 gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3);
222
223 gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
224 gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
225 gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
226 gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
227 // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
228 gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
229 gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
230 gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
231
232
233
234 //non-absorber side support and T0A !!!!!!!!
235
236 TGeoPgon * supPgon = new TGeoPgon("supPgon",0.,360.,360,4);
237 supPgon->DefineSection(0, 0, 4.1, 5.5);
238 supPgon->DefineSection(1, 10.5 , 4.1, 5.5);
239 supPgon->DefineSection(2, 10.5 , 4.1, 4.9);
240 supPgon->DefineSection(3, 12.5 , 4.1, 4.9);
241 TGeoTranslation *trPgon = new TGeoTranslation("trPgon",0,0,0);
242 trPgon->RegisterYourself();
243
1b070c3c 244 TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment
dc7ca31d 245 TGeoVolume *ins = gGeoManager->GetVolume("0INS");
246
247 Double_t phimin = TMath::ACos((16-4.8)/16.) * (180 / TMath::Pi()) ;
248 // TGeoTubeSeg *hole = new TGeoTubeSeg("hole", 0, 1.6, 0, -phimin+90, phimin+90);
249 TGeoTube*hole = new TGeoTube("hole", 0, 1.61, 6.5);
250 TGeoTranslation *tr [12];
251 Float_t angle = 2 * TMath::Pi() / 12;
252 Char_t nameTr[4];
253 for (Int_t itr=0; itr<12; itr++) {
254 sprintf (nameTr,"tr%i",itr+1);
255 x = 6.5 * TMath::Sin(itr * angle);
256 y = 6.5 * TMath::Cos(itr * angle);
257 tr[itr] = new TGeoTranslation(nameTr,x,y,6.5);
258 tr[itr]->RegisterYourself();
259 stlin->AddNode(ins,itr+13,tr[itr]);
260 }
261 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)");
262
263 TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$");
264 TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal);
265 stlin->AddNode(supA,1,new TGeoTranslation(0,0,0));
266
267 TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
268 alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA ));
269
270 // T0A finished
271
272 //T0C
273// first ring: 12 units of Scintillator+PMT+divider
274 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetC);
275 Float_t phi[3];
276 for (is=0; is<12; is++)
277 {
278
279 x = 6.5 * TMath::Sin(is * angle);
280 y = 6.5 * TMath::Cos(is * angle);
281
282 phi[0] = -30 * is;
283 phi[1] = 90 - is * 30;
284 phi[2] = 90 - is * 30;
285 for (Int_t j = 0; j < 3; j++)
286 if (phi[j] < 0) phi[j] += 360;
287
288 AliMatrix (idrotm[902 + is], 90., phi[0],
289 90. + theta, phi[1],
290 theta, phi[2]);
291 z=-pstart[2]+pinstart[2]+0.2;
292 gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
293 }
294
295 x=0;
296 y=0;
297 z=-pinstart[2]+ppmt[2]+psupport6[2]*2;
298 gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
299 // PMT
300
301 // Entry window (glass)
302 gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
303 z=-ppmt[2]+ptop[2];
304 gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
305 //"metal" air volume to simulate reclection
306 gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3);
307 gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY");
308
309 //Fotokatod
310 gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3);
311 z = -ppmt[2] + 2 * ptop[2] + preg[2];
312 gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY");
313 // Bottom glass
314 gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
315 z=ppmt[2]-pbot[2];
316 gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
317 // Side cylinder glass
318 gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
319 z=ppmt[2]-pglass[2];
320 gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
321 //PMT electrodes support structure
322 gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
323 gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
324 z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2];
325 gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY");
326 z +=psteel[2]+pcer[2];
327 gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY");
328
329 //Support absorber (C) side
330 z=-pstart[2]+psupport1[2]+0.1;
331 gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
332 gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
333 z=-pstart[2]+psupport3[2]+0.1;
334 gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
335 z=-pstart[2]+2.*psupport1[2]-0.05;//+0.1;
336 gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
337 gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
338 z=-pinstart[2]+psupport6[2];
339 gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
340
341 z=pinstart[2]-psupport7[2];
342 gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko
343
344
345 Float_t par[3];
346 par[0]=4.4;
347 par[1]=4.5;
348 par[2]=0.5;
349 gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
350 z=ppcon[3]+par[2];
351 gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
352 z += par[2];
353 par[0]=4.4;
354 par[1]=5.1;
355 par[2]=0.05;
356 gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
357 z += par[2];
358 gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
359 z=z+par[2];
360 par[0]=4.9;
361 par[1]=5.0;
362 par[2]=6.7/2;
363 gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
364 z += par[2];
365 gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
366 z += par[2];
367
368 par[0]=3.15;
369 par[1]=4.9;
370 par[2]=0.1/2;
371 gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
372
373 z += par[2];
dc7ca31d 374 gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
375 z=z+par[2];
376 par[0]=3.15;
377 par[1]=3.16;
378 par[2]=4.7/2;
dc7ca31d 379 gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
380 z += par[2];
381 gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
382 z=z+par[2];
383 par[0]=3.16; // eta chast' prikruchena k absorberu
384 par[1]=7.5;
385 par[2]=0.1;
dc7ca31d 386 gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
387 z += par[2];
388 gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
389 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
390 par[1]=7.5;
391 par[2]=0.01;
dc7ca31d 392 gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
393 gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY");
394
395
396
397
398}
399//------------------------------------------------------------------------
400void AliT0v1::AddAlignableVolumes() const
401{
402 //
403 // Create entries for alignable volumes associating the symbolic volume
404 // name with the corresponding volume path. Needs to be syncronized with
405 // eventual changes in the geometry.
406 //
407
408 TString volPath;
409 TString symName, sn;
410
411 TString vpA = "/ALIC_1/0STL_1/0INS_";
412 TString vpC = "/ALIC_1/0STR_1/0INS_";
413 TString vpInside = "/0PMT_1/0TOP_1";
414
dc7ca31d 415 for (Int_t imod=0; imod<24; imod++)
416 {
417 if (imod < 12)
1b070c3c 418 {volPath = vpC; sn="T0/C/PMT";}
419 else
420 {volPath = vpA; sn="T0/A/PMT";}
dc7ca31d 421 volPath += imod+1;
422 volPath += vpInside;
423
424 symName = sn;
425 symName += imod+1;
426
427 AliDebug(2,"--------------------------------------------");
428 AliDebug(2,Form("Alignable object %d", imod));
429 AliDebug(2,Form("volPath=%s\n",volPath.Data()));
430 AliDebug(2,Form("symName=%s\n",symName.Data()));
431 AliDebug(2,"--------------------------------------------");
1b070c3c 432 if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data()))
433 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symName.Data(),volPath.Data()));
dc7ca31d 434
435 }
436}
437//------------------------------------------------------------------------
438void AliT0v1::CreateMaterials()
439{
440 Int_t isxfld = gAlice->Field()->Integ();
441 Float_t sxmgmx = gAlice->Field()->Max();
442 // Float_t a,z,d,radl,absl,buf[1];
443 // Int_t nbuf;
dc7ca31d 444// AIR
445
446 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
447 Float_t zAir[4]={6.,7.,8.,18.};
448 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
449 Float_t dAir = 1.20479E-3;
450
451// Scintillator CH
452 Float_t ascin[2]={1.01,12.01};
453 Float_t zscin[2]={1,6};
454 Float_t wscin[2]={1,1};
455 Float_t denscin=1.03;
456//Lucite C(CH3)CO2CH3
457 Float_t alucite[3]={1.01,12.01,15.999};
458 Float_t zlucite[3]={1,6,8};
459 Float_t wlucite[3]={8,5,2};
460 Float_t denlucite=1.16;
461 // PMT glass SiO2
462 Float_t aglass[2]={28.0855,15.9994};
463 Float_t zglass[2]={14.,8.};
464 Float_t wglass[2]={1.,2.};
465 Float_t dglass=2.65;
466// Ceramic 97.2% Al2O3 , 2.8% SiO2
467 // Float_t wcer[2]={0.972,0.028};
468 Float_t aCeramic[2] = { 26.981539,15.9994 };
469 Float_t zCeramic[2] = { 13.,8. };
470 Float_t wCeramic[2] = { 2.,3. };
471 Float_t denscer = 3.6;
472
473// Brass 80% Cu, 20% Zn
474 Float_t abrass[2] = {63.546,65.39};
475 Float_t zbrass[2] = {29,30};
476 Float_t wbrass[2] = {0.8,0.2};
477 Float_t denbrass=8.96;
478
479//Ribber C6H12S
480 Float_t aribber[3] = {12.,1.,32.};
481 Float_t zribber[3] = {6.,1.,16.};
482 Float_t wribber[3] = {6.,12.,1.};
483 Float_t denribber=0.8;
484// Support inside
485 Float_t asupport[2] = {12.,1.};
486 Float_t zsupport[2] = {6.,1.};
487 Float_t wsupport[2] = {1.,1.};
488 Float_t densupport=0.1;
489
490//*** Definition Of avaible T0 materials ***
491 AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999);
492 AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
493 AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir);
494 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
495 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
496
497 AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic);
498 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
499 /*
500 char namate[21]="";
501
502 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
503 acer[0]=a;
504
505 zcer[0]=z;
506 gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
507 acer[1]=a;
508 zcer[1]=z;
509 AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer);
510 */
511 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
512 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
513 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
514 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
515 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
516 AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass);
517 AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass);
518 AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir);
519 AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir);
520
521 AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
522 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
523 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
524 AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
525 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
526 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
527 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
528 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
529 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
530 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
531 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
532 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
533 AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
534 AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
535 AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
536 AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
7235aed2 537
538 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
539
540
541}
542//---------------------------------------------------------------------
543void AliT0v1::DrawDetector()
544{
545//
546// Draw a shaded view of the Forward multiplicity detector version 0
547//
548
549 //Set ALIC mother transparent
550 gMC->Gsatt("ALIC","SEEN",0);
551 //
552 //Set volumes visible
553 // gMC->Gsatt("0STR","SEEN",0);
554 // gMC->Gsatt("0INS","SEEN",0);
555 // gMC->Gsatt("0PMT","SEEN",1);
556 // gMC->Gsatt("0DIV","SEEN",1);
557 //
558 gMC->Gdopt("hide","off");
559 gMC->Gdopt("shad","on");
560 gMC->SetClipBox(".");
561 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
562 gMC->DefaultRange();
563 gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6);
564 //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view
565 gMC->Gdhead(1111,"T-Zero detector");
566 gMC->Gdopt("hide","off");
567}
dc7ca31d 568
7235aed2 569//-------------------------------------------------------------------
570void AliT0v1::Init()
571{
572// Initialises version 0 of the Forward Multiplicity Detector
573//
574//Int_t *idtmed = gAlice->Idtmed();
575 AliT0::Init();
576 fIdSens1=gMC->VolId("0REG");
577 Int_t *idtmed = fIdtmed->GetArray();
dc7ca31d 578// Definition Cherenkov parameters
579 int i;
580 const Int_t kNbins=31;
581
582 Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins];
583
584 // quartz 20mm
585 Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4,
586 25.9, 25.3, 24.9, 24.5, 23.7,
587 23.2, 22.8, 22.4, 21.8, 21.3,
588 22.8, 22.1, 21.7, 21.2, 20.5,
589 19.9, 19.3, 18.7, 18.0, 17.1,
590 16.3, 15.3, 14.3, 14.3 };
591
592 Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38,
593 4.48, 4.58, 4.69, 4.81, 4.93,
594 5.05, 5.19, 5.33, 5.48, 5.63,
595 5.8, 5.97, 6.16, 6.36, 6.57,
596 6.8, 7.04, 7.3, 7.58, 7.89,
597 8.22, 8.57, 8.97, 9.39 };
598 /*
599 Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20,
600 0.21, 0.22, 0.23, 0.24, 0.26,
601 0.27, 0.29, 0.30, 0.29, 0.29,
602 0.28, 0.28, 0.27, 0.26, 0.25,
603 0.25, 0.23, 0.20, 0.19, 0.17,
604 0.17, 0.17, 0.2, 0.23};
605 */
606 // Float_t aAbsSiO2[kNbins]; //quartz 30mm
607 for(i=0;i<kNbins;i++)
608 {
609 aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV
610 rindexAir[i]=0;
611 rindexSiO2[i]=1.458; //refractive index for qwarts
612 rindexCathodeNext[i]=0;
613 efficAll[i]=1.;
614
615 // aAbsSiO2[i]=28.5; //quartz 30mm
616 absorAir[i]=0.3;
617 absorbCathodeNext[i]=0;
618
619 }
620
621
622 gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 );
623 // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 );
624 gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 );
625 gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir );
626 gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext);
dc7ca31d 627
628 AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName()));
629
630}
631
632//-------------------------------------------------------------------
633
634void AliT0v1::StepManager()
635{
636 //
637 // Called for every step in the T0 Detector
638 //
639 Int_t id,copy,copy1;
640 static Float_t hits[6];
641 static Int_t vol[2];
642 TLorentzVector pos;
643
644 // TClonesArray &lhits = *fHits;
645
646 if(!gMC->IsTrackAlive()) return; // particle has disappeared
647
648
649 // If particles is photon then ...
650
651 if (gMC->TrackPid() == 50000050)
652 {
653 id=gMC->CurrentVolID(copy);
654
655
656 // Check the sensetive volume
657 if(id==fIdSens1 ) {
658 if(gMC->IsTrackEntering()) {
659 gMC->CurrentVolOffID(2,copy);
660 vol[1]=copy;
661 gMC->CurrentVolOffID(3,copy1);
662 vol[0]=copy1;
663 gMC->TrackPosition(pos);
664 hits[0] = pos[0];
665 hits[1] = pos[1];
666 hits[2] = pos[2];
667 if(pos[2]<0) vol[0]=2;
668 if(pos[2]>=0) vol[0]=1;
669
670 Float_t etot=gMC->Etot();
671 hits[3]=etot;
672 Int_t iPart= gMC->TrackPid();
673 Int_t partID=gMC->IdFromPDG(iPart);
674 hits[4]=partID;
675 Float_t ttime=gMC->TrackTime();
676 hits[5]=ttime*1e12;
677 if(RegisterPhotoE(vol[1]-1,hits[3]))
678 AddHit(fIshunt,vol,hits);
679
680 }
681 // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl;
682
683 /*
684 printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n",
685 gAlice->GetMCApp()->GetCurrentTrackNumber(),
686 gMC->IsTrackAlive(),
687 gMC->IsTrackDisappeared(),
688 gMC->IsTrackEntering(),
689 gMC->IsTrackExiting(),
690 gMC->IsTrackInside(),
691 gMC->IsTrackOut(),
692 gMC->IsTrackStop(),
693 gMC->IsNewTrack());
694 */
695 } //sensitive
696 } //photon
697}
698
699
700
701//------------------------------------------------------------------------
702Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy)
703{
704
705
706 // Float_t hc=197.326960*1.e6; //mev*nm
707 Double_t hc=1.973*1.e-6; //gev*nm
708 Float_t lambda=hc/energy;
709 Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
710 Double_t p = gRandom->Rndm();
711
712 if (p > eff)
713 return kFALSE;
714
715 return kTRUE;
716}
717
718//----------------------------------------------------------------------------
719
720
721
722
723
724