first phase to new digits
[u/mrichter/AliRoot.git] / START / AliSTARTv1.cxx
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bc46b572 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
17/////////////////////////////////////////////////////////////////////
18// //
19// START ( T-zero) detector version 1 //
20//
21//Begin Html
22/*
23<img src="gif/AliSTARTv1Class.gif">
24*/
25//End Html
26// //
27// //
28//////////////////////////////////////////////////////////////////////
29
88cb7938 30#include <Riostream.h>
31#include <stdlib.h>
32
bc46b572 33#include <TGeometry.h>
0cc62300 34#include <TLorentzVector.h>
88cb7938 35#include <TMath.h>
36#include <TNode.h>
37#include <TTUBE.h>
38#include <TVirtualMC.h>
bc46b572 39
94de3818 40#include "AliMagF.h"
88cb7938 41#include "AliRun.h"
bc46b572 42#include "AliSTARThit.h"
88cb7938 43#include "AliSTARTv1.h"
5d12ce38 44#include "AliMC.h"
bc46b572 45
46ClassImp(AliSTARTv1)
47
48//--------------------------------------------------------------------
49AliSTARTv1::AliSTARTv1(const char *name, const char *title):
50 AliSTART(name,title)
51{
52 //
53 // Standart constructor for START Detector version 0
54 //
55 fIdSens1=0;
56// setBufferSize(128000);
57}
58//-------------------------------------------------------------------------
59void AliSTARTv1::CreateGeometry()
60{
61 //
62 // Create the geometry of START Detector version 0
63 //
64 // begin Html
65 /*
66 <img src="gif/AliSTARTv0.gif">
67 */
68 //
69
70
71 Int_t *idtmed = fIdtmed->GetArray();
72
73 Int_t is;
74 Int_t idrotm[999];
75 Float_t x,y,z;
76
2ad713c4 77 Float_t pstart[3]={4.5,11.,7.};
d65c9254 78 Float_t pinstart[3]={0.,1.6,6.5};
bc46b572 79 Float_t ppmt[3]={0.,1.3,3.5};
80 Float_t pdivider[3]={0.,1.2,1.75};
81 Float_t pdiv2[3]={0.,1.2,1.25};
82 Float_t pdiv1[3]={0.6,1.2,0.5};
83 Float_t ptop[3]={0.,1.3,1.5};
84 Float_t pbot[3]={0.6,1.2,0.1};
85 Float_t pglass[3]={1.2,1.3,2.};
86 Float_t pcer[3]={0.9,1.1,0.09};
87 Float_t psteel[3]={0.9,1.1,0.01};
88 Float_t ppins[3]={0.6,1.2,0.014};
89 Float_t phole[3]={0.6,1.2,0.015};
90 Float_t pknob[3]={0.5,0.6,0.4};
91 Float_t pknob_vac[3]={0.,0.5,0.4};
92 Float_t pknob_bot[3]={0.,0.6,0.05};
93 Float_t pribber[3] = {0.,1.2,2.413/2.};
94 Float_t presist[3] = {0.,1.2,0.087/2.};
d65c9254 95 Float_t psupport1[3] = {4.5,4.6,4.0};//C kozhuh vnutri
96 Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C
97 Float_t psupport3[3] = {4.5,9.5,0.05};//kryshki C
98 Float_t psupport4[3] = {0,1.6,0.05};// dyrki dlia feu v zadnej kryshke Air
99 Float_t psupport5[3] = {1.54,1.6,6.5}; // stakanchik dlai feu C
100 Float_t psupport6[3] = {0,1.6,0.05}; //kryshechka stakanchika Al
101 Float_t psupport7[3] = {1.5,1.6,0.6}; //kolechko snaruzhu stakanchika Al
102 // Mother Volume katushka dlia krepezha vokrug truby k Absorbru
2ad713c4 103 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
d65c9254 104 Float_t ppcon[70];
105 ppcon[0] = 0;
106 ppcon[1] = 360;
107 ppcon[2] = 15;
108// 1:
109 ppcon[3] = 14.1/2;
110 ppcon[4] = 4.4;
111 ppcon[5] = 4.5;
112// 2
113 ppcon[6] = ppcon[3]+1.;
114 ppcon[7] = 4.4;
115 ppcon[8] = 4.5;
116// 3
117 ppcon[9] = ppcon[6];
118 ppcon[10] = 4.4;
119 ppcon[11] = 5.3;
120
121// 4
122
123 ppcon[12] = ppcon[9]+0.1;
124 ppcon[13] = 4.4;
125 ppcon[14] = 5.3;
126// 5
127
128 ppcon[15] = ppcon[12];
129 ppcon[16] = 5.1;
130 ppcon[17] = 5.3;
131
132// 6
133 ppcon[18] = ppcon[12]+5.8;
134 ppcon[19] = 5.1;
135 ppcon[20] = 5.3;
136
137// 7
138 ppcon[21] = ppcon[18];
139 ppcon[22] = 5.1;
140 ppcon[23] = 5.9;
141
142// 8
143 ppcon[24] = ppcon[21]+1.5;
144 ppcon[25] = 5.1;
145 ppcon[26] = 5.9;
146// 9
147 ppcon[27] = ppcon[24]+0.5;
148 ppcon[28] = 5.1;
149 ppcon[29] = 5.9;
150
151// 10
152 ppcon[30] = ppcon[24]+0.5;
153 ppcon[31] = 3.15;
154 ppcon[32] = 5.9;
155
156// 11
157 ppcon[33] = ppcon[30];
158 ppcon[34] = 3.15;
159 ppcon[35] = 5.9;
160// 12
161 ppcon[36] = ppcon[30];
162 ppcon[37] = 3.15;
163 ppcon[38] = 3.25;
164
165// 13
166 ppcon[39] = ppcon[36]+4.5;
167 ppcon[40] = 3.15;
168 ppcon[41] = 3.25;
169// 14
170 ppcon[42] = ppcon[36]+4.5;
171 ppcon[43] = 3.15;
172 ppcon[44] = 7.6;
173// 15
174 ppcon[45] = ppcon[42]+0.9;
175 ppcon[46] = 3.15;
176 ppcon[47] = 7.6;
177
178 gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,48);
2ad713c4 179 z=-69.7;//-14.1/2;
180 gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY");
bc46b572 181
a94466c5 182 Float_t zdetRight=69.7,zdetLeft=350;
bc46b572 183 //-------------------------------------------------------------------
184 // START volume
185 //-------------------------------------------------------------------
186
bc46b572 187
d65c9254 188 gMC->Gsvolu("0STR","TUBE",idtmed[kAir],pstart,3);
189 gMC->Gsvolu("0STL","TUBE",idtmed[kAir],pstart,3);
2ad713c4 190 gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetRight-pstart[2],idrotm[901],"ONLY");
191 gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetLeft+pstart[2],0,"ONLY");
bc46b572 192
193//START interior
d65c9254 194 gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3);
195 gMC->Gsvolu("0PMT","TUBE",idtmed[kVac],ppmt,3);
196 gMC->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3);
197 gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri
198 gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C
199 gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C
200 gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C
201 gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air
202 cout<<" 0Su6 >> "<<psupport5[0]<<" "<<psupport5[1]<<" "<<psupport5[2]<<endl;
203 gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C
204 gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al
205 gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al
206
bc46b572 207// first ring: 12 units of Scintillator+PMT+divider
d65c9254 208 Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight);
209 Float_t angel = 2 * TMath::Pi() / 12;
210 Float_t phi[3];
211 for (is=0; is<12; is++)
bc46b572 212 {
ef51244a 213
d65c9254 214 x = 6.5 * TMath::Sin(is * angel);
215 y = 6.5 * TMath::Cos(is * angel);
216
217 phi[0] = -30 * is;
218 phi[1] = 90 - is * 30;
219 phi[2] = 90 - is * 30;
220 for (Int_t j = 0; j < 3; j++)
221 if (phi[j] < 0) phi[j] += 360;
222
223 AliMatrix (idrotm[902 + is], 90., phi[0],
224 90. + theta, phi[1],
225 theta, phi[2]);
226 z=-pstart[2]+pinstart[2]+0.2;
227 gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY");
228 gMC->Gspos ("0INS", is + 13, "0STL", x, y, z, 0, "ONLY");
9436d88b 229 }
724699e1 230
d65c9254 231
232 x=0;
9436d88b 233 y=0;
d65c9254 234 z=-pinstart[2]+ppmt[2]+2.*psupport6[2];
9436d88b 235 gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
d65c9254 236 z=z+pdivider[2]+ppmt[2];
9436d88b 237 gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
238
bc46b572 239// PMT
240
241 // Entry window (glass)
d65c9254 242 gMC->Gsvolu("0TOP","TUBE",idtmed[kGlass],ptop,3); //glass
a94466c5 243 // gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
244 z=-ppmt[2]+ptop[2];
2ca99a7f 245 gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
bc46b572 246 // printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
a94466c5 247
bc46b572 248 // Bottom glass
d65c9254 249 gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3);
bc46b572 250 z=ppmt[2]-pbot[2];
9e1a0ddb 251 if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
2ca99a7f 252 gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
bc46b572 253 // Side cylinder glass
d65c9254 254 gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3);
bc46b572 255 z=ppmt[2]-pglass[2];
256 // printf("Z glass %f\n",z);
2ca99a7f 257 gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
bc46b572 258 //PMT electrodes support structure
d65c9254 259 gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3);
260 gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3);
bc46b572 261 z=-ppmt[2]+2*ptop[2]+0.3;;
262 // printf("Z Cer 1 %f\n",z);
263 for (is=1; is<=15; is++)
264 {
265 z=z+psteel[2]+pcer[2];
2ca99a7f 266 gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
bc46b572 267 z=z+psteel[2]+pcer[2];
2ca99a7f 268 gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
bc46b572 269 }
270
271 // Divider
272 // Knob at the bottom of PMT baloon
273
2ca99a7f 274 gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
bc46b572 275 z=-pdivider[2]+pknob[2];
276 // printf("zknob %f\n",z);
2ca99a7f 277 gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
d65c9254 278 gMC->Gsvolu("0KB","TUBE",idtmed[kGlass],pknob_bot,3);
bc46b572 279 z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
2ca99a7f 280 // printf(knobbot %f\n",z);
281 gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
d65c9254 282 gMC->Gsvolu("0VAC","TUBE",idtmed[kVac],pknob_vac,3);
bc46b572 283 z=-pdivider[2]+pknob_vac[2];
284 // printf("knobvac %f\n",z);
2ca99a7f 285 gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
bc46b572 286 //Steel pins + pin holes
d65c9254 287 gMC->Gsvolu("0PIN","TUBE",idtmed[kSteel],ppins,3);
bc46b572 288 z=-pdivider[2]+ppins[2];
2ca99a7f 289 gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
d65c9254 290 gMC->Gsvolu("0HOL","TUBE",idtmed[kBrass],phole,3);
bc46b572 291 z=-pdivider[2]+2*ppins[2]+phole[2];
2ca99a7f 292 gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
bc46b572 293
294 //Socket
d65c9254 295 gMC->Gsvolu("0V1","TUBE",idtmed[kCer],pdiv1,3);
bc46b572 296 z=-pdivider[2]+pdiv1[2];
2ca99a7f 297 gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY");
bc46b572 298 //Resistors
d65c9254 299 gMC->Gsvolu("0V2","TUBE",idtmed[kAir],pdiv2,3);
bc46b572 300 z=pdivider[2]-pdiv2[2];
2ca99a7f 301 gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
d65c9254 302 gMC->Gsvolu("0RS","TUBE",idtmed[kCer],presist,3);
bc46b572 303 z=-pdiv2[2]+presist[2];
2ca99a7f 304 gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
d65c9254 305 gMC->Gsvolu("0RB","TUBE",idtmed[kRibber],pribber,3);
bc46b572 306 z=pdiv2[2]-pribber[2];
2ca99a7f 307 gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
d65c9254 308
309
310 //Support left side
311
312 z=-pstart[2]+psupport1[2];
313 gMC->Gspos("0SU1",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
314 gMC->Gspos("0SU2",2,"0STL",0,0,z,0,"ONLY"); //C kozhuh vnutri
315 z=-pstart[2]+psupport3[2];
316 gMC->Gspos("0SU3",2,"0STL",0,0,z,0,"ONLY"); //peredniaia kryshka
317 z=-pstart[2]+2.*psupport1[2];
318 gMC->Gspos("0SU4",2,"0STL",0,0,z,0,"ONLY"); //zadnaiai kryshka
319 //Dyrki dlia feu v zadnej kryshke
320 z=0;
321
322 for (is=1; is<=12; is++)
323 {
324 x=6.5*TMath::Sin(is*angel);
325 y=6.5 *TMath::Cos(is*angel);
326 gMC->Gspos("0SU5",is+12,"0SU4",x,y,z,0,"ONLY");
327
328 }
329
330 //Support right side
331
332 z=-pstart[2]+psupport1[2];
333 gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi
334 gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri
335 z=-pstart[2]+psupport3[2];
336 gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka
337 z=-pstart[2]+2.*psupport1[2];
338 gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"ONLY"); //zadnaiai kryshka
339 //Dyrki dlia feu v zadnej kryshke
340 z=0;
341
342 for (is=1; is<=12; is++)
343 {
344 x=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Sin(is*angel);
345 y=(6.5+7.8*TMath::Tan(5.4*3.1415/180)) *TMath::Cos(is*angel);
346 gMC->Gspos("0SU5",is,"0SU4",x,y,z,0,"ONLY");
347
348 }
349
350 gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu
351 z=-psupport5[2]+psupport6[2];
352 gMC->Gspos("0SU7",1,"0SU6",0,0,z,0,"ONLY"); //Al kryshechka
bc46b572 353
d65c9254 354 z=pinstart[2]-psupport7[2];
355 gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko
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]=5.1;
374 par[1]=5.2;
375 par[2]=5.8/2;
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 Float_t parC[5];
381 parC[0]=0.25;
382 parC[1]=5.1;
383 parC[2]=5.2;
384 parC[3]=5.5;
385 parC[4]=5.6;
386 gMC->Gsvolu("0SC3","CONE",idtmed[kC],parC,5);
387 z += parC[0];
388 gMC->Gspos("0SC3",1,"0SUP",0,0,z,0,"ONLY");
389 z += parC[0];
390 par[0]=5.5;
391 par[1]=5.6;
392 par[2]=1.2/2;
393 gMC->Gsvolu("0SC4","TUBE",idtmed[kC],par,3);
394 z += par[2];
395 gMC->Gspos("0SC4",1,"0SUP",0,0,z,0,"ONLY");
396 par[0]=5.1;
397 par[1]=5.5;
398 par[2]=1.2/2;
399 gMC->Gsvolu("0SA0","TUBE",idtmed[kAl],par,3);
400 gMC->Gspos("0SA0",1,"0SUP",0,0,z,0,"ONLY");
401 //gvozdi dlia skruchivaniia Al i C parts
402 par[0]=5.75;
403 par[1]=5.78;
404 gMC->Gsvolu("0SN1","TUBE",idtmed[kSteel],par,3);
405 gMC->Gspos("0SN1",1,"0SUP",0,0,z,0,"ONLY");
406 z += par[2];
407 par[0]=3.15;
408 par[1]=5.5;
409 par[2]=0.1;
410 gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3);
411 z += par[2];
412 gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY");
413 z=z+par[2];
414 par[0]=3.15;
415 par[1]=3.16;
416 par[2]=4.7/2;
417 gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3);
418 z += par[2];
419 gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY");
420 z=z+par[2];
421 par[0]=3.16; // eta chast' prikruchena k absorberu
422 par[1]=7.5;
423 par[2]=0.3;
424 gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3);
425 z += par[2];
426 gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY");
427 par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu
428 par[1]=7.5;
429 par[2]=0.01;
430 gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3);
431 gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY");
432
433
bc46b572 434}
435//------------------------------------------------------------------------
436void AliSTARTv1::CreateMaterials()
437{
ef51244a 438 Int_t isxfld = gAlice->Field()->Integ();
439 Float_t sxmgmx = gAlice->Field()->Max();
bc46b572 440 Float_t a,z,d,radl,absl,buf[1];
441 Int_t nbuf;
442
443// Scintillator CH
444 Float_t ascin[2]={1.01,12.01};
445 Float_t zscin[2]={1,6};
446 Float_t wscin[2]={1,1};
447 Float_t denscin=1.03;
a94466c5 448//Lucite C(CH3)CO2CH3
449 Float_t alucite[3]={1.01,12.01,15.999};
450 Float_t zlucite[3]={1,6,8};
451 Float_t wlucite[3]={8,5,2};
452 Float_t denlucite=1.16;
453 // PMT glass SiO2
bc46b572 454 Float_t aglass[2]={28.0855,15.9994};
455 Float_t zglass[2]={14.,8.};
456 Float_t wglass[2]={1.,2.};
457 Float_t dglass=2.65;
458// Ceramic 97.2% Al2O3 , 2.8% SiO2
459 Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
460 Float_t aal2o3[2] = { 26.981539,15.9994 };
461 Float_t zal2o3[2] = { 13.,8. };
462 Float_t wal2o3[2] = { 2.,3. };
463 Float_t denscer = 3.6;
464
465// Brass 80% Cu, 20% Zn
466 Float_t abrass[2] = {63.546,65.39};
467 Float_t zbrass[2] = {29,30};
468 Float_t wbrass[2] = {0.8,0.2};
469 Float_t denbrass=8.96;
470
471//Ribber C6H12S
472 Float_t aribber[3] = {12.,1.,32.};
473 Float_t zribber[3] = {6.,1.,16.};
474 Float_t wribber[3] = {6.,12.,1.};
475 Float_t denribber=0.8;
d65c9254 476// Support inside
477 Float_t asupport[2] = {12.,1.};
478 Float_t zsupport[2] = {6.,1.};
479 Float_t wsupport[2] = {1.,1.};
480 Float_t densupport=0.1;
bc46b572 481
482//*** Definition Of avaible START materials ***
483 AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
484 AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
485 AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
d65c9254 486 AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999);
487 AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999);
bc46b572 488
489 AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3);
490 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
00d6d986 491 char namate[21]="";
bc46b572 492 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
493 acer[0]=a;
494 zcer[0]=z;
495 gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
496 acer[1]=a;
497 zcer[1]=z;
498
499 AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
500 AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
501 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
502
503 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
a94466c5 504 AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
d65c9254 505 AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport);
506
bc46b572 507
ef51244a 508 AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
509 AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
510 AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
511 AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
d65c9254 512 AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003);
ef51244a 513 AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
514 AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
515 AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
a94466c5 516 AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
d65c9254 517 AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
518 AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
519 AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003);
a94466c5 520
9e1a0ddb 521 if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
bc46b572 522
bc46b572 523}
524//---------------------------------------------------------------------
525void AliSTARTv1::DrawDetector()
526{
527//
528// Draw a shaded view of the Forward multiplicity detector version 0
529//
530
531 //Set ALIC mother transparent
532 gMC->Gsatt("ALIC","SEEN",0);
533 //
534 //Set volumes visible
2ca99a7f 535 // gMC->Gsatt("0ST","SEEN",0);
536 gMC->Gsatt("0INS","SEEN",0);
537 gMC->Gsatt("0PMT","SEEN",1);
538 gMC->Gsatt("0DIV","SEEN",1);
bc46b572 539 //
d65c9254 540 gMC->Gdopt("hide","off");
bc46b572 541 gMC->Gdopt("shad","on");
542 gMC->SetClipBox(".");
543 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
544 gMC->DefaultRange();
545 gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7);
546 gMC->Gdhead(1111,"T-Zero detector");
547 gMC->Gdopt("hide","off");
548}
549
550//-------------------------------------------------------------------
551void AliSTARTv1::Init()
552{
553// Initialises version 0 of the Forward Multiplicity Detector
554//
555//Int_t *idtmed = gAlice->Idtmed();
556 AliSTART::Init();
2ca99a7f 557 fIdSens1=gMC->VolId("0TOP");
9e1a0ddb 558 if(fDebug) printf("%s: *** START version 0 initialized ***\n",ClassName());
bc46b572 559
560}
561
562//-------------------------------------------------------------------
563
564void AliSTARTv1::StepManager()
565{
566 //
567 // Called for every step in the START Detector
568 //
569 Int_t id,copy,copy1;
570 static Float_t hits[7];
571 static Float_t edep;
572 static Int_t vol[2];
573 TLorentzVector pos;
574
575 TClonesArray &lhits = *fHits;
576
577 if(!gMC->IsTrackAlive()) return; // particle has disappeared
e73d68f2 578 // Float_t charge = gMC->TrackCharge();
579 // if(TMath::Abs(charge)<=0.) return; //take only charged particles
bc46b572 580 id=gMC->CurrentVolID(copy);
581
582
724699e1 583 // Check the sensetive volume
bc46b572 584 if(id==fIdSens1 ) {
585 if(gMC->IsTrackEntering()) {
586 gMC->CurrentVolOffID(2,copy);
2ca99a7f 587 vol[1]=copy;
588 gMC->CurrentVolOffID(3,copy1);
589 vol[0]=copy1;
a94466c5 590
bc46b572 591 gMC->TrackPosition(pos);
592 hits[0] = pos[0];
593 hits[1] = pos[1];
594 hits[2] = pos[2];
a94466c5 595 if(pos[2]<0) vol[0]=2;
596 if(pos[2]>=0) vol[0]=1;
597
bc46b572 598 Float_t etot=gMC->Etot();
599 hits[4]=etot;
ef51244a 600 Int_t iPart= gMC->TrackPid();
601 Int_t partID=gMC->IdFromPDG(iPart);
602 hits[5]=partID;
bc46b572 603 Float_t ttime=gMC->TrackTime();
604 hits[6]=ttime*1e9;
605 edep=0;
606 }
607 if(gMC->IsTrackInside()) {
608 Float_t de=gMC->Edep();
609 edep=edep+de;
f3ed336b 610 }
724699e1 611
612 if(gMC->IsTrackExiting()) {
613 Float_t de=gMC->Edep();
614 edep=edep+de;
615 hits[3]=edep*1e3;
5d12ce38 616 new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
724699e1 617 }
bc46b572 618 }
619//---------------------------------------------------------------------
620}
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