adding some cuts for systematic study
[u/mrichter/AliRoot.git] / T0 / AliT0v0.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 0 //
21//
22//Begin Html
23/*
24<img src="gif/AliT0v0Class.gif">
25*/
26//End Html
27// //
28// //
29//////////////////////////////////////////////////////////////////////
30
31#include <Riostream.h>
32#include <stdlib.h>
33
f7a1cc68 34#include <TGeoGlobalMagField.h>
dc7ca31d 35#include <TLorentzVector.h>
36#include <TMath.h>
dc7ca31d 37#include <TVirtualMC.h>
38
39#include "AliLog.h"
40#include "AliMagF.h"
41#include "AliRun.h"
42#include "AliT0hit.h"
43#include "AliT0v0.h"
44#include "AliLog.h"
45
46ClassImp(AliT0v0)
47
48//--------------------------------------------------------------------
49AliT0v0::AliT0v0(const char *name, const char *title):
a9ab7568 50 AliT0(name,title),
51 fIdSens1(0)
dc7ca31d 52{
53 //
54 // Standart constructor for T0 Detector version 0
55 //
a9ab7568 56 // fIdSens1=0;
dc7ca31d 57// setBufferSize(128000);
58}
59//-------------------------------------------------------------------------
60void AliT0v0::CreateGeometry()
61{
62 //
63 // Create the geometry of T0 Detector version 0
64 // Full geometry with support structure according T0 prototype
65 //
66 // begin Html
67 /*
68 <img src="gif/AliT0v0.gif">
69 */
70 //
71
72
73
74 Int_t *idtmed = fIdtmed->GetArray();
75
76 Int_t is;
77 Int_t idrotm[999];
78 Float_t x,y,z;
79 Float_t pstartR[18]={0., 360., 5.,
80 -76.5+0.00+69.7, 4.25, 10.,
81 -76.5+6.05+69.7, 4.5, 10.,
82 -76.5+8.05+69.7, 4.5, 10.,
83 -76.5+8.05+69.7, 5.1, 10.,
84 -62.9+0.00+69.7, 5.1, 10.};
85
86 Float_t pstart[3]={4.3, 12.,6.8};
87 Float_t pinstart[3]={0.,1.6,6.5};
88 Float_t ppmt[3]={0.,1.5,3.5};
89
90 Float_t preg[3]={0.,0.875,0.005}; //dobavil bogdanov
91
92 Float_t pdivider[3]={0.,1.2,1.75};
93 Float_t pdiv2[3]={0.,1.2,1.25};
94 Float_t pdiv1[3]={0.6,1.2,0.5};
95 // Float_t ptop[3]={0.,1.3,1.5};
96 Float_t ptop[3]={0.,1.0,1.5};
97 Float_t pbot[3]={0.6,1.2,0.1};
98 Float_t pglass[3]={1.2,1.3,2.};
99 Float_t pcer[3]={0.9,1.1,0.09};
100 Float_t psteel[3]={0.9,1.1,0.01};
101 Float_t ppins[3]={0.6,1.2,0.014};
102 Float_t phole[3]={0.6,1.2,0.015};
103 Float_t pknob[3]={0.5,0.6,0.4};
104 Float_t pknob_vac[3]={0.,0.5,0.4};
105 Float_t pknob_bot[3]={0.,0.6,0.05};
106 Float_t pribber[3] = {0.,1.2,2.413/2.};
107 Float_t presist[3] = {0.,1.2,0.087/2.};
108 Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri
109 Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C
110 Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C
111 Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C
112 Float_t psupport6[3] = {0,1.5,0.05}; //kryshechka stakanchika Al
113 Float_t psupport7[3] = {1.5,1.6,0.6}; //kolechko snaruzhu stakanchika Al
114 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
115 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
116 Float_t ppcon[70];
117 ppcon[0] = 0;
118 ppcon[1] = 360;
119 ppcon[2] = 13;
120// 1:
121 ppcon[3] = 14.1/2;
122 ppcon[4] = 4.4;
123 ppcon[5] = 4.5;
124// 2
125 ppcon[6] = ppcon[3]+1.;
126 ppcon[7] = 4.4;
127 ppcon[8] = 4.5;
128// 3
129 ppcon[9] = ppcon[6];
130 ppcon[10] = 4.4;
131 ppcon[11] = 5.1;
132
133// 4
134
135 ppcon[12] = ppcon[9]+0.1;
136 ppcon[13] = 4.4;
137 ppcon[14] = 5.1;
138// 5
139
140 ppcon[15] = ppcon[12];
141 ppcon[16] = 4.9;
142 ppcon[17] = 5.1;
143
144// 6
145 ppcon[18] = ppcon[15]+7.05;
146 ppcon[19] = 4.9;
147 ppcon[20] = 5.1;
148
149// 7
150 ppcon[21] = ppcon[18];
151 ppcon[22] = 4.9;
152 ppcon[23] = 5.1;
153
154/// 8
155 ppcon[24] = ppcon[21]+0.01;
156 ppcon[25] = 3.15;
157 ppcon[26] = 3.25;
158
159/// 9
160 ppcon[27] = ppcon[24];
161 ppcon[28] = 3.15;
162 ppcon[29] = 3.25;
163
164// 10
165 ppcon[30] = ppcon[27]+4.5;
166 ppcon[31] = 3.15;
167 ppcon[32] = 3.25;
168
169// 11
170 ppcon[33] = ppcon[30];
171 ppcon[34] = 3.15;
172 ppcon[35] = 3.25;
173
174// 12
175 ppcon[36] = ppcon[33];
176 ppcon[37] = 3.15;
177 ppcon[38] = 7.6;
178
179// 13
180 ppcon[39] = ppcon[33]+0.4;
181 ppcon[40] = 3.15;
182 ppcon[41] = 7.6;
183
184// 14
185// ppcon[39] = ppcon[36];
186// ppcon[40] = 3.15;
187// ppcon[41] = 7.6;
188
2942f542 189 TVirtualMC::GetMC()->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42);
dc7ca31d 190 z=-69.7;//-14.1/2;
2942f542 191 TVirtualMC::GetMC()->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
dc7ca31d 192
193
194 Float_t zdetRight=69.7,zdetLeft=350;
195 //-------------------------------------------------------------------
196 // T0 volume
197 //-------------------------------------------------------------------
198
199
2942f542 200 TVirtualMC::GetMC()->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18);
201 TVirtualMC::GetMC()->Gsvolu("0STL","TUBE",idtmed[kAir],pstart,3);
202 TVirtualMC::GetMC()->Gspos("0STR",1,"ALIC",0.,0.,-zdetRight-pstart[2],idrotm[901],"ONLY");
203 TVirtualMC::GetMC()->Gspos("0STL",1,"ALIC",0.,0.,zdetLeft+pstart[2],0,"ONLY");
dc7ca31d 204
205//T0 interior
2942f542 206 TVirtualMC::GetMC()->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
207 TVirtualMC::GetMC()->Gsvolu("0PMT","TUBE",idtmed[kOpAir],ppmt,3);
208 TVirtualMC::GetMC()->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3);
209 TVirtualMC::GetMC()->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
210 TVirtualMC::GetMC()->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
211 TVirtualMC::GetMC()->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
212 TVirtualMC::GetMC()->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
213 // TVirtualMC::GetMC()->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
214 TVirtualMC::GetMC()->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
215 TVirtualMC::GetMC()->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
216 TVirtualMC::GetMC()->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
dc7ca31d 217
218// first ring: 12 units of Scintillator+PMT+divider
219 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight);
220 Float_t angle = 2 * TMath::Pi() / 12;
221 Float_t phi[3];
222
223 for (is=0; is<12; is++)
224 {
225
226 x = 6.5 * TMath::Sin(is * angle);
227 y = 6.5 * TMath::Cos(is * angle);
228
229 phi[0] = -30 * is;
230 phi[1] = 90 - is * 30;
231 phi[2] = 90 - is * 30;
232 for (Int_t j = 0; j < 3; j++)
233 if (phi[j] < 0) phi[j] += 360;
234
235 AliMatrix (idrotm[902 + is], 90., phi[0],
236 90. + theta, phi[1],
237 theta, phi[2]);
238 z=-pstart[2]+pinstart[2]+0.2;
2942f542 239 TVirtualMC::GetMC()->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
240 TVirtualMC::GetMC()->Gspos ("0INS", is + 13, "0STL", x, y, z, 0, "ONLY");
dc7ca31d 241
242 x = 9 * TMath::Sin(angle/2+is * angle);
243 y = 9 * TMath::Cos(angle/2+is * angle);
244
2942f542 245 TVirtualMC::GetMC()->Gspos ("0INS", is + 25, "0STL", x, y, z, 0, "ONLY");
dc7ca31d 246
247 }
248
249
250 x=0;
251 y=0;
252 z=-pinstart[2]+ppmt[2]+2.*psupport6[2]+0.1;
2942f542 253 TVirtualMC::GetMC()->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
dc7ca31d 254 z=z+pdivider[2]+ppmt[2];
2942f542 255 TVirtualMC::GetMC()->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
dc7ca31d 256
257 // PMT
258
259 // Entry window (glass)
2942f542 260 TVirtualMC::GetMC()->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass
261 // TVirtualMC::GetMC()->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
dc7ca31d 262 z=-ppmt[2]+ptop[2];
2942f542 263 TVirtualMC::GetMC()->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
dc7ca31d 264
265 //Fotokatod
266
2942f542 267 TVirtualMC::GetMC()->Gsvolu ("0REG", "TUBE", idtmed[kOpGlass], preg, 3); //photocathode dobavil bogdanov(AliT0v2)
dc7ca31d 268 z = -ppmt[2] + 2 * ptop[2] + preg[2]; //photocathode dobavil bogdanov
2942f542 269 TVirtualMC::GetMC()->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); //photocathode dobavil bogdanov(AliT0v2)
dc7ca31d 270
271 // Bottom glass
2942f542 272 TVirtualMC::GetMC()->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
dc7ca31d 273 z=ppmt[2]-pbot[2];
274 AliDebugClass(1,Form(" Z bottom %f\n",z));
2942f542 275 TVirtualMC::GetMC()->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
dc7ca31d 276 // Side cylinder glass
2942f542 277 TVirtualMC::GetMC()->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
dc7ca31d 278 z=ppmt[2]-pglass[2];
2942f542 279 TVirtualMC::GetMC()->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
dc7ca31d 280 //PMT electrodes support structure
2942f542 281 TVirtualMC::GetMC()->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
282 TVirtualMC::GetMC()->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
dc7ca31d 283 z=-ppmt[2]+2*ptop[2]+0.3;;
284 for (is=1; is<=15; is++)
285 {
286 z=z+psteel[2]+pcer[2];
2942f542 287 TVirtualMC::GetMC()->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
dc7ca31d 288 z=z+psteel[2]+pcer[2];
2942f542 289 TVirtualMC::GetMC()->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
dc7ca31d 290 }
291
292 // Divider
293 // Knob at the bottom of PMT baloon
294
2942f542 295 TVirtualMC::GetMC()->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
dc7ca31d 296 z=-pdivider[2]+pknob[2];
2942f542 297 TVirtualMC::GetMC()->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
298 TVirtualMC::GetMC()->Gsvolu("0KB","TUBE",idtmed[kGlass],pknob_bot,3);
dc7ca31d 299 z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
2942f542 300 TVirtualMC::GetMC()->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
301 TVirtualMC::GetMC()->Gsvolu("0VAC","TUBE",idtmed[kVac],pknob_vac,3);
dc7ca31d 302 z=-pdivider[2]+pknob_vac[2];
2942f542 303 TVirtualMC::GetMC()->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
dc7ca31d 304 //Steel pins + pin holes
2942f542 305 TVirtualMC::GetMC()->Gsvolu("0PIN","TUBE",idtmed[kSteel],ppins,3);
dc7ca31d 306 z=-pdivider[2]+ppins[2];
2942f542 307 TVirtualMC::GetMC()->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
308 TVirtualMC::GetMC()->Gsvolu("0HOL","TUBE",idtmed[kBrass],phole,3);
dc7ca31d 309 z=-pdivider[2]+2*ppins[2]+phole[2];
2942f542 310 TVirtualMC::GetMC()->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
dc7ca31d 311
312 //Socket
2942f542 313 TVirtualMC::GetMC()->Gsvolu("0V1","TUBE",idtmed[kCer],pdiv1,3);
dc7ca31d 314 z=-pdivider[2]+pdiv1[2];
2942f542 315 TVirtualMC::GetMC()->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
dc7ca31d 316 //Resistors
2942f542 317 TVirtualMC::GetMC()->Gsvolu("0V2","TUBE",idtmed[kAir],pdiv2,3);
dc7ca31d 318 z=pdivider[2]-pdiv2[2];
2942f542 319 TVirtualMC::GetMC()->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
320 TVirtualMC::GetMC()->Gsvolu("0RS","TUBE",idtmed[kCer],presist,3);
dc7ca31d 321 z=-pdiv2[2]+presist[2];
2942f542 322 TVirtualMC::GetMC()->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
323 TVirtualMC::GetMC()->Gsvolu("0RB","TUBE",idtmed[kRibber],pribber,3);
dc7ca31d 324 z=pdiv2[2]-pribber[2];
2942f542 325 TVirtualMC::GetMC()->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
dc7ca31d 326
327
328 //Support left side
329 /*
330 z=-pstart[2]+psupport1[2];
2942f542 331 TVirtualMC::GetMC()->Gspos("0SU1",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
332 TVirtualMC::GetMC()->Gspos("0SU2",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh vnutri
dc7ca31d 333 z=-pstart[2]+psupport3[2];
2942f542 334 TVirtualMC::GetMC()->Gspos("0SU3",2,"0STL",0,0,z,0,"ONLY"); //peredniaia kryshka
dc7ca31d 335 z=-pstart[2]+2.*psupport1[2];
2942f542 336 TVirtualMC::GetMC()->Gspos("0SU4",2,"0STL",0,0,z,0,"MANY"); //zadnaiai kryshka
dc7ca31d 337 */
338 z=-pstart[2]+psupport1[2]+0.1;
2942f542 339 TVirtualMC::GetMC()->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
340 TVirtualMC::GetMC()->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
dc7ca31d 341 z=-pstart[2]+psupport3[2]+0.1;
2942f542 342 TVirtualMC::GetMC()->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
dc7ca31d 343 z=-pstart[2]+2.*psupport1[2]+0.1;
2942f542 344 TVirtualMC::GetMC()->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka
345 TVirtualMC::GetMC()->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
dc7ca31d 346 z=-pinstart[2]+psupport6[2];
2942f542 347 TVirtualMC::GetMC()->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka
dc7ca31d 348
349 z=pinstart[2]-psupport7[2];
2942f542 350 TVirtualMC::GetMC()->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko
dc7ca31d 351
352
353 Float_t par[3];
354 par[0]=4.4;
355 par[1]=4.5;
356 par[2]=0.5;
2942f542 357 TVirtualMC::GetMC()->Gsvolu("0SC0","TUBE",idtmed[kC],par,3);
dc7ca31d 358 z=ppcon[3]+par[2];
2942f542 359 TVirtualMC::GetMC()->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 360 z += par[2];
361 par[0]=4.4;
362 par[1]=5.1;
363 par[2]=0.05;
2942f542 364 TVirtualMC::GetMC()->Gsvolu("0SC1","TUBE",idtmed[kC],par,3);
dc7ca31d 365 z += par[2];
2942f542 366 TVirtualMC::GetMC()->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 367 z=z+par[2];
368 par[0]=4.9;
369 par[1]=5.0;
370 par[2]=6.9/2;
2942f542 371 TVirtualMC::GetMC()->Gsvolu("0SC2","TUBE",idtmed[kC],par,3);
dc7ca31d 372 z += par[2];
2942f542 373 TVirtualMC::GetMC()->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 374 z += par[2];
375 /*
376 Float_t parC[5];
377 parC[0]=0.25;
378 parC[1]=5.1;
379 parC[2]=5.2;
380 parC[3]=5.5;
381 parC[4]=5.6;
2942f542 382 TVirtualMC::GetMC()->Gsvolu("0SC3","CONE",idtmed[kC],parC,5);
dc7ca31d 383 z += parC[0];
2942f542 384 TVirtualMC::GetMC()->Gspos("0SC3",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 385 z += parC[0];
386 par[0]=5.5;
387 par[1]=5.6;
388 par[2]=1.2/2;
2942f542 389 TVirtualMC::GetMC()->Gsvolu("0SC4","TUBE",idtmed[kC],par,3);
dc7ca31d 390 z += par[2];
2942f542 391 TVirtualMC::GetMC()->Gspos("0SC4",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 392 par[0]=5.1;
393 par[1]=5.5;
394 par[2]=1.2/2;
2942f542 395 TVirtualMC::GetMC()->Gsvolu("0SA0","TUBE",idtmed[kAl],par,3);
396 TVirtualMC::GetMC()->Gspos("0SA0",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 397 //gvozdi dlia skruchivaniia Al i C parts
398 par[0]=5.75;
399 par[1]=5.78;
2942f542 400 TVirtualMC::GetMC()->Gsvolu("0SN1","TUBE",idtmed[kSteel],par,3);
401 TVirtualMC::GetMC()->Gspos("0SN1",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 402 z += par[2];
403 */
404 par[0]=3.15;
405 par[1]=4.9;
406 par[2]=0.1/2;
2942f542 407 TVirtualMC::GetMC()->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
dc7ca31d 408
409 z += par[2];
2942f542 410 TVirtualMC::GetMC()->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 411 z=z+par[2];
412 par[0]=3.15;
413 par[1]=3.16;
414 par[2]=4.5/2;
2942f542 415 TVirtualMC::GetMC()->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
dc7ca31d 416 z += par[2];
2942f542 417 TVirtualMC::GetMC()->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 418 z=z+par[2];
419 par[0]=3.16; // eta chast' prikruchena k absorberu
420 par[1]=7.5;
421 par[2]=0.2;
2942f542 422 TVirtualMC::GetMC()->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
dc7ca31d 423 z += par[2];
2942f542 424 TVirtualMC::GetMC()->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 425 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
426 par[1]=7.5;
427 par[2]=0.01;
2942f542 428 TVirtualMC::GetMC()->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
429 TVirtualMC::GetMC()->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY");
dc7ca31d 430
431
432}
433
434//------------------------------------------------------------------------
435void AliT0v0::CreateMaterials()
436{
f7a1cc68 437 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
438 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
f35a7b6f 439 Double_t a,z,d,radl,absl;
440 TArrayD par;
dc7ca31d 441
442// Scintillator CH
443 Float_t ascin[2]={1.01,12.01};
444 Float_t zscin[2]={1,6};
445 Float_t wscin[2]={1,1};
446 Float_t denscin=1.03;
447//Lucite C(CH3)CO2CH3
448 Float_t alucite[3]={1.01,12.01,15.999};
449 Float_t zlucite[3]={1,6,8};
450 Float_t wlucite[3]={8,5,2};
451 Float_t denlucite=1.16;
452 // PMT glass SiO2
453 Float_t aglass[2]={28.0855,15.9994};
454 Float_t zglass[2]={14.,8.};
455 Float_t wglass[2]={1.,2.};
456 Float_t dglass=2.65;
457// Ceramic 97.2% Al2O3 , 2.8% SiO2
458 Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
459 Float_t aal2o3[2] = { 26.981539,15.9994 };
460 Float_t zal2o3[2] = { 13.,8. };
461 Float_t wal2o3[2] = { 2.,3. };
462 Float_t denscer = 3.6;
463
464// Brass 80% Cu, 20% Zn
465 Float_t abrass[2] = {63.546,65.39};
466 Float_t zbrass[2] = {29,30};
467 Float_t wbrass[2] = {0.8,0.2};
468 Float_t denbrass=8.96;
469
470//Ribber C6H12S
471 Float_t aribber[3] = {12.,1.,32.};
472 Float_t zribber[3] = {6.,1.,16.};
473 Float_t wribber[3] = {6.,12.,1.};
474 Float_t denribber=0.8;
475// Support inside
476 Float_t asupport[2] = {12.,1.};
477 Float_t zsupport[2] = {6.,1.};
478 Float_t wsupport[2] = {1.,1.};
479 Float_t densupport=0.1;
480// AIR
481 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
482 Float_t zAir[4]={6.,7.,8.,18.};
483 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
484 Float_t dAir = 1.20479E-3;
485
486//*** Definition Of avaible T0 materials ***
487 AliMaterial(0, "T0 Steel$", 55.850,26.,7.87,1.76,999);
488 AliMaterial(1, "T0 Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
489 AliMixture(2, "T0 Air$", aAir, zAir, dAir,4,wAir);
490
491 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
492 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
493
494 AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
495 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
f35a7b6f 496 TString namate;
2942f542 497 TVirtualMC::GetMC()->GetMaterial((*fIdmate)[3], namate, a, z, d, radl, absl, par);
dc7ca31d 498 acer[0]=a;
499 zcer[0]=z;
2942f542 500 TVirtualMC::GetMC()->GetMaterial((*fIdmate)[4], namate, a, z, d, radl, absl, par);
dc7ca31d 501 acer[1]=a;
502 zcer[1]=z;
503
504 AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
505 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
506 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
507
508 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
509 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
510 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
511
512
513 AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
514 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
515 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
516 AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
517 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
518 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
519 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
520 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
521 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
522 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
523 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
524 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
525
526 AliDebugClass(1,": ++++++++++++++Medium set++++++++++");
527
528}
dc7ca31d 529
530//-------------------------------------------------------------------
531void AliT0v0::Init()
532{
533// Initialises version 0 of the Forward Multiplicity Detector
534//
535//Int_t *idtmed = gAlice->Idtmed();
536 AliT0::Init();
2942f542 537 fIdSens1=TVirtualMC::GetMC()->VolId("0TOP");
dc7ca31d 538 AliDebug(1,Form("%s: *** T0 version 0 initialized ***\n",ClassName()));
539
540}
541
542//-------------------------------------------------------------------
543
544void AliT0v0::StepManager()
545{
546 //
547 // Called for every step in the T0 Detector
548 // See AliT0v1
549
550}
551//---------------------------------------------------------------------
552
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