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 | |
e4da63c2 |
40 | #include "AliLog.h" |
94de3818 |
41 | #include "AliMagF.h" |
88cb7938 |
42 | #include "AliRun.h" |
bc46b572 |
43 | #include "AliSTARThit.h" |
88cb7938 |
44 | #include "AliSTARTv1.h" |
5d12ce38 |
45 | #include "AliMC.h" |
bc46b572 |
46 | |
47 | ClassImp(AliSTARTv1) |
48 | |
49 | //-------------------------------------------------------------------- |
50 | AliSTARTv1::AliSTARTv1(const char *name, const char *title): |
51 | AliSTART(name,title) |
52 | { |
53 | // |
54 | // Standart constructor for START Detector version 0 |
55 | // |
56 | fIdSens1=0; |
e4da63c2 |
57 | fIshunt = 2; |
bc46b572 |
58 | } |
db173afc |
59 | //_____________________________________________________________________________ |
60 | |
61 | AliSTARTv1::~AliSTARTv1() |
62 | { |
63 | // desctructor |
64 | } |
65 | |
bc46b572 |
66 | //------------------------------------------------------------------------- |
67 | void AliSTARTv1::CreateGeometry() |
68 | { |
69 | // |
70 | // Create the geometry of START Detector version 0 |
71 | // |
72 | // begin Html |
73 | /* |
74 | <img src="gif/AliSTARTv0.gif"> |
75 | */ |
76 | // |
77 | |
78 | |
db173afc |
79 | |
bc46b572 |
80 | Int_t *idtmed = fIdtmed->GetArray(); |
81 | |
82 | Int_t is; |
83 | Int_t idrotm[999]; |
84 | Float_t x,y,z; |
85 | |
304618a5 |
86 | Float_t pstartR[18]={0., 360., 5., |
87 | -76.5+0.00+69.7, 4.25, 10., |
88 | -76.5+6.05+69.7, 4.5, 10., |
89 | -76.5+8.05+69.7, 4.5, 10., |
90 | -76.5+8.05+69.7, 5.1, 10., |
91 | -62.9+0.00+69.7, 5.1, 10.}; |
92 | |
e4da63c2 |
93 | Float_t pstart[3]={4.3, 12.,6.8}; |
d65c9254 |
94 | Float_t pinstart[3]={0.,1.6,6.5}; |
e4da63c2 |
95 | Float_t ppmt[3]={0.,1.5,3.5}; |
db173afc |
96 | Float_t ptop[3]={0.,1.,1.5}; |
2303c85c |
97 | Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov |
db173afc |
98 | Float_t ptopout[3]={1.,1.01,1.5}; |
99 | // Float_t pregafter[3]={0.,1.0,0.005}; |
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100 | Float_t pdivider[3]={0.,1.2,1.75}; |
101 | Float_t pdiv2[3]={0.,1.2,1.25}; |
102 | Float_t pdiv1[3]={0.6,1.2,0.5}; |
bc46b572 |
103 | Float_t pbot[3]={0.6,1.2,0.1}; |
104 | Float_t pglass[3]={1.2,1.3,2.}; |
105 | Float_t pcer[3]={0.9,1.1,0.09}; |
106 | Float_t psteel[3]={0.9,1.1,0.01}; |
107 | Float_t ppins[3]={0.6,1.2,0.014}; |
108 | Float_t phole[3]={0.6,1.2,0.015}; |
109 | Float_t pknob[3]={0.5,0.6,0.4}; |
110 | Float_t pknob_vac[3]={0.,0.5,0.4}; |
111 | Float_t pknob_bot[3]={0.,0.6,0.05}; |
112 | Float_t pribber[3] = {0.,1.2,2.413/2.}; |
113 | Float_t presist[3] = {0.,1.2,0.087/2.}; |
304618a5 |
114 | Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri |
d65c9254 |
115 | Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C |
304618a5 |
116 | Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C |
2303c85c |
117 | Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C |
69b30e0f |
118 | Float_t psupport6[3] = {0,1.5,0.05}; //kryshechka stakanchika Al |
d65c9254 |
119 | Float_t psupport7[3] = {1.5,1.6,0.6}; //kolechko snaruzhu stakanchika Al |
db173afc |
120 | |
d65c9254 |
121 | // Mother Volume katushka dlia krepezha vokrug truby k Absorbru |
2ad713c4 |
122 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); |
d65c9254 |
123 | Float_t ppcon[70]; |
124 | ppcon[0] = 0; |
125 | ppcon[1] = 360; |
304618a5 |
126 | ppcon[2] = 13; |
d65c9254 |
127 | // 1: |
128 | ppcon[3] = 14.1/2; |
129 | ppcon[4] = 4.4; |
304618a5 |
130 | ppcon[5] = 4.5; |
d65c9254 |
131 | // 2 |
304618a5 |
132 | ppcon[6] = ppcon[3]+1.; |
d65c9254 |
133 | ppcon[7] = 4.4; |
304618a5 |
134 | ppcon[8] = 4.5; |
d65c9254 |
135 | // 3 |
136 | ppcon[9] = ppcon[6]; |
137 | ppcon[10] = 4.4; |
304618a5 |
138 | ppcon[11] = 5.1; |
d65c9254 |
139 | |
140 | // 4 |
141 | |
142 | ppcon[12] = ppcon[9]+0.1; |
143 | ppcon[13] = 4.4; |
304618a5 |
144 | ppcon[14] = 5.1; |
d65c9254 |
145 | // 5 |
146 | |
147 | ppcon[15] = ppcon[12]; |
304618a5 |
148 | ppcon[16] = 4.9; |
149 | ppcon[17] = 5.1; |
d65c9254 |
150 | |
151 | // 6 |
304618a5 |
152 | ppcon[18] = ppcon[15]+7.05; |
153 | ppcon[19] = 4.9; |
154 | ppcon[20] = 5.1; |
d65c9254 |
155 | |
156 | // 7 |
157 | ppcon[21] = ppcon[18]; |
304618a5 |
158 | ppcon[22] = 4.9; |
159 | ppcon[23] = 5.1; |
160 | |
304618a5 |
161 | /// 8 |
affef71b |
162 | ppcon[24] = ppcon[21]+0.01; |
304618a5 |
163 | ppcon[25] = 3.15; |
164 | ppcon[26] = 3.25; |
d65c9254 |
165 | |
affef71b |
166 | /// 9 |
167 | ppcon[27] = ppcon[24]; |
50063378 |
168 | ppcon[28] = 3.15; |
304618a5 |
169 | ppcon[29] = 3.25; |
affef71b |
170 | |
d65c9254 |
171 | // 10 |
affef71b |
172 | ppcon[30] = ppcon[27]+4.5; |
d65c9254 |
173 | ppcon[31] = 3.15; |
304618a5 |
174 | ppcon[32] = 3.25; |
175 | |
d65c9254 |
176 | // 11 |
affef71b |
177 | ppcon[33] = ppcon[30]; |
d65c9254 |
178 | ppcon[34] = 3.15; |
affef71b |
179 | ppcon[35] = 3.25; |
304618a5 |
180 | |
d65c9254 |
181 | // 12 |
affef71b |
182 | ppcon[36] = ppcon[33]; |
d65c9254 |
183 | ppcon[37] = 3.15; |
304618a5 |
184 | ppcon[38] = 7.6; |
185 | |
d65c9254 |
186 | // 13 |
affef71b |
187 | ppcon[39] = ppcon[33]+0.4; |
d65c9254 |
188 | ppcon[40] = 3.15; |
304618a5 |
189 | ppcon[41] = 7.6; |
190 | |
affef71b |
191 | // 14 |
192 | // ppcon[39] = ppcon[36]; |
193 | // ppcon[40] = 3.15; |
194 | // ppcon[41] = 7.6; |
195 | |
304618a5 |
196 | gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42); |
2ad713c4 |
197 | z=-69.7;//-14.1/2; |
198 | gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY"); |
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199 | |
50063378 |
200 | |
201 | Float_t zdetRight=69.7,zdetLeft=350; |
bc46b572 |
202 | //------------------------------------------------------------------- |
203 | // START volume |
204 | //------------------------------------------------------------------- |
205 | |
bc46b572 |
206 | |
304618a5 |
207 | gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18); |
d65c9254 |
208 | gMC->Gsvolu("0STL","TUBE",idtmed[kAir],pstart,3); |
2ad713c4 |
209 | gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetRight-pstart[2],idrotm[901],"ONLY"); |
210 | gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetLeft+pstart[2],0,"ONLY"); |
bc46b572 |
211 | |
212 | //START interior |
db173afc |
213 | gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3); |
214 | gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3); |
215 | |
d65c9254 |
216 | gMC->Gsvolu("0DIV","TUBE",idtmed[kVac],pdivider,3); |
217 | gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri |
218 | gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C |
219 | gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C |
220 | gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C |
e4da63c2 |
221 | // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air |
d65c9254 |
222 | gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C |
223 | gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al |
224 | gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al |
db173afc |
225 | |
bc46b572 |
226 | // first ring: 12 units of Scintillator+PMT+divider |
d65c9254 |
227 | Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetRight); |
2303c85c |
228 | printf(" theta %f", theta); |
e4da63c2 |
229 | Float_t angle = 2 * TMath::Pi() / 12; |
d65c9254 |
230 | Float_t phi[3]; |
304618a5 |
231 | |
d65c9254 |
232 | for (is=0; is<12; is++) |
bc46b572 |
233 | { |
ef51244a |
234 | |
e4da63c2 |
235 | x = 6.5 * TMath::Sin(is * angle); |
236 | y = 6.5 * TMath::Cos(is * angle); |
d65c9254 |
237 | |
60b0465d |
238 | phi[0] = -30 * is; |
239 | phi[1] = 90 - is * 30; |
240 | phi[2] = 90 - is * 30; |
241 | for (Int_t j = 0; j < 3; j++) |
242 | if (phi[j] < 0) phi[j] += 360; |
d65c9254 |
243 | |
60b0465d |
244 | AliMatrix (idrotm[902 + is], 90., phi[0], |
245 | 90. + theta, phi[1], |
246 | theta, phi[2]); |
d65c9254 |
247 | z=-pstart[2]+pinstart[2]+0.2; |
60b0465d |
248 | gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY"); |
249 | gMC->Gspos ("0INS", is + 13, "0STL", x, y, z, 0, "ONLY"); |
db173afc |
250 | /* |
251 | x = 9.1 * TMath::Sin(angle/2+is * angle); |
252 | y = 9.1 * TMath::Cos(angle/2+is * angle); |
e4da63c2 |
253 | |
254 | gMC->Gspos ("0INS", is + 25, "0STL", x, y, z, 0, "ONLY"); |
db173afc |
255 | */ |
9436d88b |
256 | } |
60b0465d |
257 | |
bc46b572 |
258 | |
60b0465d |
259 | x=0; |
260 | y=0; |
db173afc |
261 | // z=-pinstart[2]+ppmt[2]+2.*psupport6[2]+0.1; |
262 | z=-pinstart[2]+ppmt[2]; |
60b0465d |
263 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); |
db173afc |
264 | // z=z+pdivider[2]+ppmt[2]; |
265 | // gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY"); |
304618a5 |
266 | |
60b0465d |
267 | // PMT |
268 | |
269 | // Entry window (glass) |
e4da63c2 |
270 | gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass |
60b0465d |
271 | // gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite |
272 | z=-ppmt[2]+ptop[2]; |
273 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); |
db173afc |
274 | //metal volume to simulate reclection |
275 | gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); //glass |
276 | // gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite |
277 | gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY"); |
278 | |
60b0465d |
279 | //Fotokatod |
db173afc |
280 | gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); |
281 | z = -ppmt[2] + 2 * ptop[2] + preg[2]; |
282 | gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); |
283 | //optical volume special to detect photons in cathode |
284 | // gMC->Gsvolu ("0RE1", "TUBE", idtmed[kOpAirNext], pregafter, 3); |
285 | // z = -ppmt[2] + 2 * ptop[2] + 2*preg[2] + pregafter[2]; |
286 | // gMC->Gspos ("0RE1", 1, "0PMT", 0, 0, z, 0, "ONLY"); |
287 | |
60b0465d |
288 | // Bottom glass |
289 | gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3); |
290 | z=ppmt[2]-pbot[2]; |
291 | if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z); |
292 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); |
293 | // Side cylinder glass |
294 | gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3); |
295 | z=ppmt[2]-pglass[2]; |
60b0465d |
296 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); |
297 | //PMT electrodes support structure |
298 | gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3); |
299 | gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3); |
300 | z=-ppmt[2]+2*ptop[2]+0.3;; |
60b0465d |
301 | for (is=1; is<=15; is++) |
302 | { |
303 | z=z+psteel[2]+pcer[2]; |
304 | gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY"); |
305 | z=z+psteel[2]+pcer[2]; |
306 | gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY"); |
307 | } |
308 | |
309 | // Divider |
310 | // Knob at the bottom of PMT baloon |
311 | |
312 | gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3); |
313 | z=-pdivider[2]+pknob[2]; |
60b0465d |
314 | gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY"); |
315 | gMC->Gsvolu("0KB","TUBE",idtmed[kGlass],pknob_bot,3); |
316 | z=-pdivider[2]+2*pknob[2]+pknob_bot[2]; |
60b0465d |
317 | gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY"); |
318 | gMC->Gsvolu("0VAC","TUBE",idtmed[kVac],pknob_vac,3); |
319 | z=-pdivider[2]+pknob_vac[2]; |
60b0465d |
320 | gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY"); |
321 | //Steel pins + pin holes |
322 | gMC->Gsvolu("0PIN","TUBE",idtmed[kSteel],ppins,3); |
323 | z=-pdivider[2]+ppins[2]; |
324 | gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY"); |
325 | gMC->Gsvolu("0HOL","TUBE",idtmed[kBrass],phole,3); |
326 | z=-pdivider[2]+2*ppins[2]+phole[2]; |
327 | gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY"); |
328 | |
329 | //Socket |
330 | gMC->Gsvolu("0V1","TUBE",idtmed[kCer],pdiv1,3); |
331 | z=-pdivider[2]+pdiv1[2]; |
332 | gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY"); |
333 | //Resistors |
334 | gMC->Gsvolu("0V2","TUBE",idtmed[kAir],pdiv2,3); |
335 | z=pdivider[2]-pdiv2[2]; |
336 | gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY"); |
337 | gMC->Gsvolu("0RS","TUBE",idtmed[kCer],presist,3); |
338 | z=-pdiv2[2]+presist[2]; |
339 | gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY"); |
340 | gMC->Gsvolu("0RB","TUBE",idtmed[kRibber],pribber,3); |
341 | z=pdiv2[2]-pribber[2]; |
342 | gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY"); |
343 | |
344 | |
345 | //Support left side |
60b0465d |
346 | z=-pstart[2]+psupport1[2]+0.1; |
347 | gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi |
348 | gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri |
349 | z=-pstart[2]+psupport3[2]+0.1; |
350 | gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka |
351 | z=-pstart[2]+2.*psupport1[2]+0.1; |
e4da63c2 |
352 | gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka |
60b0465d |
353 | gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu |
354 | z=-pinstart[2]+psupport6[2]; |
355 | gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka |
356 | |
357 | z=pinstart[2]-psupport7[2]; |
358 | gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko |
359 | |
360 | |
361 | Float_t par[3]; |
362 | par[0]=4.4; |
363 | par[1]=4.5; |
364 | par[2]=0.5; |
365 | gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3); |
366 | z=ppcon[3]+par[2]; |
367 | gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); |
368 | z += par[2]; |
369 | par[0]=4.4; |
370 | par[1]=5.1; |
371 | par[2]=0.05; |
372 | gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3); |
373 | z += par[2]; |
374 | gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); |
375 | z=z+par[2]; |
376 | par[0]=4.9; |
377 | par[1]=5.0; |
378 | par[2]=6.9/2; |
d65c9254 |
379 | gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3); |
380 | z += par[2]; |
381 | gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); |
382 | z += par[2]; |
db173afc |
383 | |
384 | par[0]=3.15; |
304618a5 |
385 | par[1]=4.9; |
386 | par[2]=0.1/2; |
d65c9254 |
387 | gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3); |
304618a5 |
388 | |
d65c9254 |
389 | z += par[2]; |
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; |
304618a5 |
394 | par[2]=4.5/2; |
d65c9254 |
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 |
400 | par[1]=7.5; |
304618a5 |
401 | par[2]=0.2; |
d65c9254 |
402 | gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3); |
403 | z += par[2]; |
404 | gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); |
405 | par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu |
406 | par[1]=7.5; |
407 | par[2]=0.01; |
408 | gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3); |
409 | gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY"); |
db173afc |
410 | |
d65c9254 |
411 | |
bc46b572 |
412 | } |
413 | //------------------------------------------------------------------------ |
414 | void AliSTARTv1::CreateMaterials() |
415 | { |
ef51244a |
416 | Int_t isxfld = gAlice->Field()->Integ(); |
417 | Float_t sxmgmx = gAlice->Field()->Max(); |
db173afc |
418 | // Float_t a,z,d,radl,absl,buf[1]; |
419 | // Int_t nbuf; |
60b0465d |
420 | Int_t *idtmed = fIdtmed->GetArray(); |
421 | |
422 | // AIR |
423 | |
424 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
425 | Float_t zAir[4]={6.,7.,8.,18.}; |
426 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; |
427 | Float_t dAir = 1.20479E-3; |
428 | |
bc46b572 |
429 | // Scintillator CH |
430 | Float_t ascin[2]={1.01,12.01}; |
431 | Float_t zscin[2]={1,6}; |
432 | Float_t wscin[2]={1,1}; |
433 | Float_t denscin=1.03; |
a94466c5 |
434 | //Lucite C(CH3)CO2CH3 |
435 | Float_t alucite[3]={1.01,12.01,15.999}; |
436 | Float_t zlucite[3]={1,6,8}; |
437 | Float_t wlucite[3]={8,5,2}; |
438 | Float_t denlucite=1.16; |
439 | // PMT glass SiO2 |
bc46b572 |
440 | Float_t aglass[2]={28.0855,15.9994}; |
441 | Float_t zglass[2]={14.,8.}; |
442 | Float_t wglass[2]={1.,2.}; |
443 | Float_t dglass=2.65; |
444 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 |
db173afc |
445 | // Float_t wcer[2]={0.972,0.028}; |
e4da63c2 |
446 | Float_t aCeramic[2] = { 26.981539,15.9994 }; |
447 | Float_t zCeramic[2] = { 13.,8. }; |
448 | Float_t wCeramic[2] = { 2.,3. }; |
bc46b572 |
449 | Float_t denscer = 3.6; |
450 | |
451 | // Brass 80% Cu, 20% Zn |
452 | Float_t abrass[2] = {63.546,65.39}; |
453 | Float_t zbrass[2] = {29,30}; |
454 | Float_t wbrass[2] = {0.8,0.2}; |
455 | Float_t denbrass=8.96; |
456 | |
457 | //Ribber C6H12S |
458 | Float_t aribber[3] = {12.,1.,32.}; |
459 | Float_t zribber[3] = {6.,1.,16.}; |
460 | Float_t wribber[3] = {6.,12.,1.}; |
461 | Float_t denribber=0.8; |
d65c9254 |
462 | // Support inside |
463 | Float_t asupport[2] = {12.,1.}; |
464 | Float_t zsupport[2] = {6.,1.}; |
465 | Float_t wsupport[2] = {1.,1.}; |
466 | Float_t densupport=0.1; |
bc46b572 |
467 | |
468 | //*** Definition Of avaible START materials *** |
91e7cea3 |
469 | AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999); |
470 | AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999); |
471 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); |
d65c9254 |
472 | AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); |
473 | AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); |
bc46b572 |
474 | |
e4da63c2 |
475 | AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic); |
bc46b572 |
476 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); |
db173afc |
477 | /* |
478 | char namate[21]=""; |
479 | |
bc46b572 |
480 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); |
db173afc |
481 | acer[0]=a; |
482 | |
bc46b572 |
483 | zcer[0]=z; |
484 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); |
485 | acer[1]=a; |
486 | zcer[1]=z; |
db173afc |
487 | AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer); |
488 | */ |
489 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); |
bc46b572 |
490 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); |
bc46b572 |
491 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); |
a94466c5 |
492 | AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite); |
d65c9254 |
493 | AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport); |
db173afc |
494 | AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass); |
495 | AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass); |
496 | AliMixture(22, "START Opt Air$", aAir, zAir, dAir,4,wAir); |
497 | AliMixture(23, "START Opt Air Next$", aAir, zAir, dAir,4,wAir); |
bc46b572 |
498 | |
ef51244a |
499 | AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
500 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
501 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
db173afc |
502 | AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
d65c9254 |
503 | AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
ef51244a |
504 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); |
505 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
506 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
a94466c5 |
507 | AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
d65c9254 |
508 | AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
509 | AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
510 | AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); |
db173afc |
511 | AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
512 | AliMedium(17, "START OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
513 | AliMedium(18, "START OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); |
514 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); |
515 | |
a94466c5 |
516 | |
e4da63c2 |
517 | // Definition Cherenkov parameters |
518 | int i; |
db173afc |
519 | const Int_t kNbins=31; |
e4da63c2 |
520 | |
db173afc |
521 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; |
522 | |
2303c85c |
523 | // quartz 20mm |
db173afc |
524 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, |
525 | 25.9, 25.3, 24.9, 24.5, 23.7, |
526 | 23.2, 22.8, 22.4, 21.8, 21.3, |
527 | 22.8, 22.1, 21.7, 21.2, 20.5, |
528 | 19.9, 19.3, 18.7, 18.0, 17.1, |
529 | 16.3, 15.3, 14.3, 14.3 }; |
530 | |
531 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, |
2303c85c |
532 | 4.48, 4.58, 4.69, 4.81, 4.93, |
533 | 5.05, 5.19, 5.33, 5.48, 5.63, |
534 | 5.8, 5.97, 6.16, 6.36, 6.57, |
db173afc |
535 | 6.8, 7.04, 7.3, 7.58, 7.89, |
536 | 8.22, 8.57, 8.97, 9.39 }; |
537 | /* |
538 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, |
539 | 0.21, 0.22, 0.23, 0.24, 0.26, |
540 | 0.27, 0.29, 0.30, 0.29, 0.29, |
541 | 0.28, 0.28, 0.27, 0.26, 0.25, |
542 | 0.25, 0.23, 0.20, 0.19, 0.17, |
543 | 0.17, 0.17, 0.2, 0.23}; |
544 | */ |
545 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm |
e4da63c2 |
546 | for(i=0;i<kNbins;i++) |
547 | { |
2303c85c |
548 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV |
db173afc |
549 | rindexAir[i]=0; |
550 | rindexSiO2[i]=1.458; //refractive index for qwarts |
551 | rindexCathodeNext[i]=0; |
e4da63c2 |
552 | efficAll[i]=1.; |
db173afc |
553 | |
554 | // aAbsSiO2[i]=28.5; //quartz 30mm |
555 | absorAir[i]=0.3; |
556 | absorbCathodeNext[i]=0; |
557 | |
e4da63c2 |
558 | } |
db173afc |
559 | |
560 | |
561 | gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); |
562 | // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); |
563 | gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); |
564 | gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); |
565 | gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); |
566 | |
9e1a0ddb |
567 | if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl; |
db173afc |
568 | |
569 | |
bc46b572 |
570 | } |
571 | //--------------------------------------------------------------------- |
572 | void AliSTARTv1::DrawDetector() |
573 | { |
574 | // |
575 | // Draw a shaded view of the Forward multiplicity detector version 0 |
576 | // |
577 | |
578 | //Set ALIC mother transparent |
579 | gMC->Gsatt("ALIC","SEEN",0); |
580 | // |
581 | //Set volumes visible |
e4da63c2 |
582 | // gMC->Gsatt("0STR","SEEN",0); |
583 | // gMC->Gsatt("0INS","SEEN",0); |
584 | // gMC->Gsatt("0PMT","SEEN",1); |
585 | // gMC->Gsatt("0DIV","SEEN",1); |
bc46b572 |
586 | // |
d65c9254 |
587 | gMC->Gdopt("hide","off"); |
bc46b572 |
588 | gMC->Gdopt("shad","on"); |
589 | gMC->SetClipBox("."); |
590 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); |
591 | gMC->DefaultRange(); |
affef71b |
592 | gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6); |
60b0465d |
593 | //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view |
bc46b572 |
594 | gMC->Gdhead(1111,"T-Zero detector"); |
595 | gMC->Gdopt("hide","off"); |
596 | } |
597 | |
598 | //------------------------------------------------------------------- |
599 | void AliSTARTv1::Init() |
600 | { |
601 | // Initialises version 0 of the Forward Multiplicity Detector |
602 | // |
603 | //Int_t *idtmed = gAlice->Idtmed(); |
604 | AliSTART::Init(); |
60b0465d |
605 | fIdSens1=gMC->VolId("0REG"); |
e4da63c2 |
606 | |
607 | AliDebug(1,Form("%s: *** START version 1 initialized ***\n",ClassName())); |
608 | |
bc46b572 |
609 | } |
610 | |
611 | //------------------------------------------------------------------- |
612 | |
613 | void AliSTARTv1::StepManager() |
614 | { |
615 | // |
616 | // Called for every step in the START Detector |
617 | // |
618 | Int_t id,copy,copy1; |
e4da63c2 |
619 | static Float_t hits[6]; |
bc46b572 |
620 | static Int_t vol[2]; |
621 | TLorentzVector pos; |
622 | |
db173afc |
623 | // TClonesArray &lhits = *fHits; |
bc46b572 |
624 | |
625 | if(!gMC->IsTrackAlive()) return; // particle has disappeared |
db173afc |
626 | |
60b0465d |
627 | // If particles is photon then ... |
db173afc |
628 | |
629 | if (gMC->TrackPid() == 50000050) |
630 | { |
e4da63c2 |
631 | id=gMC->CurrentVolID(copy); |
632 | |
633 | |
634 | // Check the sensetive volume |
db173afc |
635 | if(id==fIdSens1 ) { |
e4da63c2 |
636 | if(gMC->IsTrackEntering()) { |
637 | gMC->CurrentVolOffID(2,copy); |
638 | vol[1]=copy; |
639 | gMC->CurrentVolOffID(3,copy1); |
640 | vol[0]=copy1; |
e4da63c2 |
641 | gMC->TrackPosition(pos); |
642 | hits[0] = pos[0]; |
643 | hits[1] = pos[1]; |
644 | hits[2] = pos[2]; |
645 | if(pos[2]<0) vol[0]=2; |
db173afc |
646 | if(pos[2]>=0) vol[0]=1; |
e4da63c2 |
647 | |
648 | Float_t etot=gMC->Etot(); |
649 | hits[3]=etot; |
650 | Int_t iPart= gMC->TrackPid(); |
651 | Int_t partID=gMC->IdFromPDG(iPart); |
652 | hits[4]=partID; |
e4da63c2 |
653 | Float_t ttime=gMC->TrackTime(); |
db173afc |
654 | hits[5]=ttime*1e12; |
655 | AddHit(fIshunt,vol,hits); |
656 | // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl; |
e4da63c2 |
657 | } |
db173afc |
658 | /* |
659 | printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n", |
660 | gAlice->GetMCApp()->GetCurrentTrackNumber(), |
661 | gMC->IsTrackAlive(), |
662 | gMC->IsTrackDisappeared(), |
663 | gMC->IsTrackEntering(), |
664 | gMC->IsTrackExiting(), |
665 | gMC->IsTrackInside(), |
666 | gMC->IsTrackOut(), |
667 | gMC->IsTrackStop(), |
668 | gMC->IsNewTrack()); |
669 | */ |
670 | } //sensitive |
671 | } //photon |
bc46b572 |
672 | } |
673 | |
674 | |
675 | |
676 | |
677 | |
678 | |
679 | |
680 | |