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dc7ca31d | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ///////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // T0 ( T-zero) detector version 1 // | |
21 | // | |
22 | //Begin Html | |
23 | /* | |
24 | <img src="gif/AliT0v1Class.gif"> | |
25 | */ | |
26 | //End Html | |
27 | // // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | #include <Riostream.h> | |
32 | #include <stdlib.h> | |
33 | ||
f7a1cc68 | 34 | #include "TGeoCompositeShape.h" |
dc7ca31d | 35 | #include "TGeoManager.h" |
268f57b1 | 36 | #include "TGeoMatrix.h" |
06cb77ae | 37 | #include "TGeoPcon.h" |
dc7ca31d | 38 | #include "TGeoTube.h" |
f7a1cc68 | 39 | #include <TGeoGlobalMagField.h> |
dc7ca31d | 40 | #include <TGraph.h> |
f7a1cc68 | 41 | #include <TLorentzVector.h> |
42 | #include <TMath.h> | |
43 | #include <TVirtualMC.h> | |
f7350425 | 44 | #include <TString.h> |
dc7ca31d | 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" | |
fd38174f | 59 | #include "AliTrackReference.h" |
dc7ca31d | 60 | |
61 | ClassImp(AliT0v1) | |
62 | ||
2ee4b412 | 63 | |
64 | //-------------------------------------------------------------------- | |
65 | AliT0v1::AliT0v1(): AliT0(), | |
66 | fIdSens1(0), | |
67 | fEffPMT(0x0) | |
68 | ||
69 | { | |
70 | // | |
71 | // Standart constructor for T0 Detector version 0 | |
72 | } | |
dc7ca31d | 73 | //-------------------------------------------------------------------- |
74 | AliT0v1::AliT0v1(const char *name, const char *title): | |
75 | AliT0(name,title), | |
2ee4b412 | 76 | fIdSens1(0), |
77 | fEffPMT(0x0) | |
78 | ||
dc7ca31d | 79 | { |
80 | // | |
81 | // Standart constructor for T0 Detector version 0 | |
82 | // | |
83 | fIshunt = 2; | |
84 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
85 | for (Int_t i=0; i<24; i++){ | |
86 | TGraph* grEff = param ->GetPMTeff(i); | |
87 | fEffPMT.AddAtAndExpand(grEff,i); | |
88 | } | |
89 | } | |
90 | //_____________________________________________________________________________ | |
91 | ||
92 | AliT0v1::~AliT0v1() | |
93 | { | |
94 | // desctructor | |
95 | } | |
96 | ||
97 | //------------------------------------------------------------------------- | |
98 | void AliT0v1::CreateGeometry() | |
99 | { | |
100 | // | |
101 | // Create the geometry of T0 Detector version 0 | |
102 | // | |
103 | // begin Html | |
104 | /* | |
105 | <img src="gif/AliT0v0.gif"> | |
106 | */ | |
107 | // | |
108 | ||
109 | ||
110 | Int_t *idtmed = fIdtmed->GetArray(); | |
111 | /* | |
112 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
113 | param->Init(); | |
114 | Float_t zdetC = param->GetZposition(0); | |
115 | Float_t zdetA = param->GetZposition(1); | |
116 | */ | |
117 | Float_t zdetC = 69.7; | |
118 | Float_t zdetA = 373.; | |
119 | ||
120 | Int_t is; | |
121 | Int_t idrotm[999]; | |
06cb77ae | 122 | Double_t x,y,z; |
dc7ca31d | 123 | //C T0 mother volume |
124 | Float_t pstartR[18]={0., 360., 5., | |
125 | -6.8, 4.25, 10., //-76.5+0.00+69.7 | |
e906b7a3 | 126 | // -0.75 , 4.45, 10., // -76.5+6.05+69.7 |
127 | // 1.25 , 4.45, 10., //-76.5+8.05+69.7 | |
128 | -0.75 , 4.5, 10., // -76.5+6.05+69.7 | |
129 | 1.25 , 4.5, 10., //-76.5+8.05+69.7 | |
3af467f5 | 130 | 1.25 , 5.1, 10, //-76.5+8.05+69.7 |
dc7ca31d | 131 | 6.8 , 5.1, 10.}; //-62.9+0.00+69.7 |
132 | ||
133 | Float_t pstart[3]={4., 12.5,6.8}; | |
e906b7a3 | 134 | Float_t pinstart[3]={0.,1.45,6.5}; |
135 | Float_t ppmt[3]={0.,1.4,3.5}; | |
dc7ca31d | 136 | Float_t ptop[3]={0.,1.,1.0}; |
137 | Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov | |
138 | Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection | |
139 | Float_t pbot[3]={0.6,1.2,0.1}; | |
140 | Float_t pglass[3]={1.2,1.3,2.}; | |
141 | Float_t pcer[3]={0.9,1.1,1.35}; | |
142 | Float_t psteel[3]={0.9,1.1,0.15}; | |
e906b7a3 | 143 | Float_t psupport1[3] = {4.51,4.52,4.0};//C kozhuh vnutri |
f3c87c7b | 144 | Float_t psupport2[3] = {9.5,9.6,4.0};// snaruzhi C |
123019fa | 145 | Float_t psupport3[3] = {4.52,9.5, 0.05};//kryshki C |
e906b7a3 | 146 | Float_t psupport5[3] = {1.44,1.45,6.5}; // stakanchik dlai feu C |
dc7ca31d | 147 | Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al |
e906b7a3 | 148 | Float_t psupport7[3] = {1.44,1.45,0.4}; //kolechko snaruzhu stakanchika Al |
dc7ca31d | 149 | |
150 | // Mother Volume katushka dlia krepezha vokrug truby k Absorbru | |
151 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); | |
152 | Float_t ppcon[70]; | |
153 | ppcon[0] = 0; | |
154 | ppcon[1] = 360; | |
155 | ppcon[2] = 13; | |
156 | // 1: | |
157 | ppcon[3] = 7.2; | |
158 | ppcon[4] = 4.4; | |
159 | ppcon[5] = 4.5; | |
160 | // 2 | |
161 | ppcon[6] = 8.2; | |
162 | ppcon[7] = 4.4; | |
163 | ppcon[8] = 4.5; | |
164 | // 3 | |
165 | ppcon[9] = 8.2; | |
166 | ppcon[10] = 4.4; | |
167 | ppcon[11] = 5.1; | |
168 | ||
169 | // 4 | |
170 | ||
171 | ppcon[12] = 8.3; | |
172 | ppcon[13] = 4.4; | |
173 | ppcon[14] = 5.1; | |
174 | // 5 | |
175 | ||
176 | ppcon[15] = 8.3; | |
177 | ppcon[16] = 4.9; | |
178 | ppcon[17] = 5.1; | |
179 | ||
180 | // 6 | |
181 | ppcon[18] = 15.; | |
182 | ppcon[19] = 4.9; | |
183 | ppcon[20] = 5.1; | |
184 | ||
185 | // 7 | |
186 | ppcon[21] = 15.; | |
187 | ppcon[22] = 3.15 ; | |
188 | ppcon[23] = 5.1; | |
189 | ||
190 | /// 8 | |
191 | ppcon[24] = 15.01; | |
192 | ppcon[25] = 3.15; | |
193 | ppcon[26] = 5.1; | |
194 | ||
195 | /// 9 | |
196 | ppcon[27] = 15.01; | |
197 | ppcon[28] = 3.15; | |
198 | ppcon[29] = 3.25; | |
199 | ||
200 | ||
201 | /// 9 | |
202 | ppcon[30] = 19.71; | |
203 | ppcon[31] = 3.15; | |
204 | ppcon[32] = 3.25; | |
205 | // 10 | |
206 | ppcon[33] = 19.8; | |
207 | ppcon[34] = 3.15; | |
208 | ppcon[35] = 3.25; | |
209 | // 11 | |
210 | ppcon[36] = 19.8; | |
211 | ppcon[37] = 3.15; | |
212 | ppcon[38] = 7.6; | |
213 | ||
214 | // 14 | |
215 | ||
3af467f5 | 216 | ppcon[39] = 19.99; |
dc7ca31d | 217 | ppcon[40] = 3.15; |
218 | ppcon[41] = 7.6; | |
219 | ||
220 | ||
221 | gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42); | |
222 | z = -zdetC; | |
223 | gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY"); | |
224 | ||
225 | //------------------------------------------------------------------- | |
226 | // T0 volume | |
227 | //------------------------------------------------------------------- | |
228 | ||
229 | ||
230 | gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18); | |
dc7ca31d | 231 | gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY"); |
232 | // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY"); | |
233 | ||
234 | //T0 interior | |
235 | gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3); | |
236 | gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3); | |
237 | ||
238 | gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri | |
239 | gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C | |
240 | gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C | |
241 | gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C | |
242 | // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air | |
243 | gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C | |
244 | gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al | |
245 | gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al | |
246 | ||
247 | ||
248 | ||
249 | //non-absorber side support and T0A !!!!!!!! | |
250 | ||
f3c87c7b | 251 | TGeoPcon * supPgon = new TGeoPcon("0supPgon",0.,360.,4); |
dc7ca31d | 252 | supPgon->DefineSection(0, 0, 4.1, 5.5); |
253 | supPgon->DefineSection(1, 10.5 , 4.1, 5.5); | |
254 | supPgon->DefineSection(2, 10.5 , 4.1, 4.9); | |
255 | supPgon->DefineSection(3, 12.5 , 4.1, 4.9); | |
f3c87c7b | 256 | TGeoTranslation *trPgon = new TGeoTranslation("0trPgon",0,0,0); |
dc7ca31d | 257 | trPgon->RegisterYourself(); |
258 | ||
1b070c3c | 259 | TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment |
dc7ca31d | 260 | TGeoVolume *ins = gGeoManager->GetVolume("0INS"); |
261 | ||
f3c87c7b | 262 | new TGeoTube("0HOLE", 0, 1.51, 6.5); |
dc7ca31d | 263 | TGeoTranslation *tr [12]; |
06cb77ae | 264 | Double_t angle = 2 * TMath::Pi() / 12; |
f7350425 | 265 | // Char_t nameTr[40]; |
266 | TString nameTr; | |
dc7ca31d | 267 | for (Int_t itr=0; itr<12; itr++) { |
f7350425 | 268 | // sprintf (nameTr,"0TR%i",itr+1); |
269 | nameTr = Form("0TR%i",itr+1); | |
fe20da59 | 270 | x = 6.5 * TMath::Sin(itr * angle); |
dc7ca31d | 271 | y = 6.5 * TMath::Cos(itr * angle); |
f7350425 | 272 | tr[itr] = new TGeoTranslation(nameTr.Data(),x,y,6.5); |
fe20da59 | 273 | tr[itr]->RegisterYourself(); |
06cb77ae | 274 | stlin->AddNode(ins,itr+13,tr[itr]); |
dc7ca31d | 275 | } |
f3c87c7b | 276 | TGeoCompositeShape *supsh = new TGeoCompositeShape("0supsh","0supPgon:0trPgon-(0HOLE:0TR1+0HOLE:0TR2+0HOLE:0TR3+0HOLE:0TR4+0HOLE:0TR5+0HOLE:0TR6+0HOLE:0TR7+0HOLE:0TR8+0HOLE:0TR9+0HOLE:0TR10+0HOLE:0TR11+0HOLE:0TR12)"); |
dc7ca31d | 277 | |
278 | TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$"); | |
279 | TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal); | |
280 | stlin->AddNode(supA,1,new TGeoTranslation(0,0,0)); | |
281 | ||
282 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); | |
283 | alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA )); | |
284 | ||
285 | // T0A finished | |
286 | ||
287 | //T0C | |
288 | // first ring: 12 units of Scintillator+PMT+divider | |
17507186 | 289 | Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.6 / zdetC); |
dc7ca31d | 290 | Float_t phi[3]; |
291 | for (is=0; is<12; is++) | |
292 | { | |
293 | ||
6e1147e5 | 294 | x = 6.6 * TMath::Sin(is * angle); |
295 | y = 6.6 * TMath::Cos(is * angle); | |
dc7ca31d | 296 | |
297 | phi[0] = -30 * is; | |
298 | phi[1] = 90 - is * 30; | |
299 | phi[2] = 90 - is * 30; | |
300 | for (Int_t j = 0; j < 3; j++) | |
301 | if (phi[j] < 0) phi[j] += 360; | |
302 | ||
303 | AliMatrix (idrotm[902 + is], 90., phi[0], | |
304 | 90. + theta, phi[1], | |
305 | theta, phi[2]); | |
17507186 | 306 | z=-pstart[2]+pinstart[2]+0.3; |
dc7ca31d | 307 | gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY"); |
308 | } | |
309 | ||
310 | x=0; | |
311 | y=0; | |
17507186 | 312 | // z=-pinstart[2]+ppmt[2]+psupport6[2]*2; |
f3c87c7b | 313 | z=-pinstart[2]+ppmt[2]+0.08; //+psupport6[2]; |
dc7ca31d | 314 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); |
315 | // PMT | |
316 | ||
317 | // Entry window (glass) | |
318 | gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass | |
319 | z=-ppmt[2]+ptop[2]; | |
320 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); | |
321 | //"metal" air volume to simulate reclection | |
322 | gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); | |
323 | gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY"); | |
324 | ||
325 | //Fotokatod | |
326 | gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); | |
327 | z = -ppmt[2] + 2 * ptop[2] + preg[2]; | |
328 | gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); | |
329 | // Bottom glass | |
330 | gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3); | |
331 | z=ppmt[2]-pbot[2]; | |
332 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); | |
333 | // Side cylinder glass | |
334 | gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3); | |
335 | z=ppmt[2]-pglass[2]; | |
336 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); | |
337 | //PMT electrodes support structure | |
338 | gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3); | |
339 | gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3); | |
340 | z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2]; | |
341 | gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY"); | |
342 | z +=psteel[2]+pcer[2]; | |
343 | gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY"); | |
344 | ||
345 | //Support absorber (C) side | |
f3c87c7b | 346 | z=-pstart[2]+psupport1[2];// 0.05; //0.1; |
dc7ca31d | 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 | |
f3c87c7b | 349 | z=-pstart[2]+psupport3[2];// - 0.1; |
dc7ca31d | 350 | gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka |
f3c87c7b | 351 | z=-pstart[2]+2.*psupport1[2];//+0.1; |
dc7ca31d | 352 | gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka |
353 | gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu | |
f3c87c7b | 354 | z=-pinstart[2]+psupport6[2]; //-0.1; |
dc7ca31d | 355 | gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka |
356 | ||
357 | z=pinstart[2]-psupport7[2]; | |
e1622a71 | 358 | // gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko |
dc7ca31d | 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]=6.7/2; | |
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]; | |
383 | ||
384 | par[0]=3.15; | |
385 | par[1]=4.9; | |
3af467f5 | 386 | par[2]=0.01/2; |
387 | ||
dc7ca31d | 388 | gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3); |
389 | ||
3af467f5 | 390 | z += par[2]; |
391 | // z -= par[2]; | |
dc7ca31d | 392 | gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); |
393 | z=z+par[2]; | |
394 | par[0]=3.15; | |
395 | par[1]=3.16; | |
396 | par[2]=4.7/2; | |
dc7ca31d | 397 | gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3); |
398 | z += par[2]; | |
399 | gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); | |
400 | z=z+par[2]; | |
401 | par[0]=3.16; // eta chast' prikruchena k absorberu | |
3af467f5 | 402 | par[1]=7.4; |
403 | par[2]=0.01; | |
dc7ca31d | 404 | gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3); |
3af467f5 | 405 | // z += par[2]; |
406 | z = ppcon[39] - par[2]; | |
dc7ca31d | 407 | gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); |
408 | par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu | |
3af467f5 | 409 | par[1]=7.4; |
dc7ca31d | 410 | par[2]=0.01; |
dc7ca31d | 411 | gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3); |
17507186 | 412 | gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY"); |
dc7ca31d | 413 | |
414 | ||
415 | ||
416 | ||
417 | } | |
418 | //------------------------------------------------------------------------ | |
419 | void AliT0v1::AddAlignableVolumes() const | |
420 | { | |
421 | // | |
422 | // Create entries for alignable volumes associating the symbolic volume | |
423 | // name with the corresponding volume path. Needs to be syncronized with | |
424 | // eventual changes in the geometry. | |
425 | // | |
426 | ||
06cb77ae | 427 | // TString volPath; |
428 | // TString symName, sn; | |
429 | ||
430 | ||
431 | ||
432 | ||
dc7ca31d | 433 | TString volPath; |
434 | TString symName, sn; | |
435 | ||
436 | TString vpA = "/ALIC_1/0STL_1/0INS_"; | |
437 | TString vpC = "/ALIC_1/0STR_1/0INS_"; | |
438 | TString vpInside = "/0PMT_1/0TOP_1"; | |
06cb77ae | 439 | TString vpAalign = "/ALIC_1/0STL_1"; |
440 | TString vpCalign = "/ALIC_1/0STR_1"; | |
441 | ||
442 | for (Int_t imod=0; imod<26; imod++) | |
443 | { | |
444 | if (imod < 24) | |
445 | { | |
446 | if (imod < 12) | |
447 | { volPath = vpC; sn="T0/C/PMT";} | |
448 | else | |
449 | { volPath = vpA; sn="T0/A/PMT";} | |
450 | volPath += imod+1; | |
451 | volPath += vpInside; | |
452 | symName = sn; | |
453 | symName += imod+1; | |
454 | } | |
455 | else if (imod == 24) | |
456 | {volPath = vpCalign; symName="/ALIC_1/0STR_1";} | |
457 | else | |
458 | {volPath = vpAalign; symName="/ALIC_1/0STL_1";} | |
dc7ca31d | 459 | |
06cb77ae | 460 | AliDebug(2,"--------------------------------------------"); |
461 | AliDebug(2,Form("Alignable object %d", imod)); | |
462 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); | |
463 | AliDebug(2,Form("symName=%s\n",symName.Data())); | |
464 | AliDebug(2,"--------------------------------------------"); | |
465 | if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) | |
466 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", | |
467 | symName.Data(),volPath.Data())); | |
468 | } | |
dc7ca31d | 469 | } |
470 | //------------------------------------------------------------------------ | |
471 | void AliT0v1::CreateMaterials() | |
472 | { | |
f7a1cc68 | 473 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
474 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
dc7ca31d | 475 | // Float_t a,z,d,radl,absl,buf[1]; |
476 | // Int_t nbuf; | |
dc7ca31d | 477 | // AIR |
478 | ||
479 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
480 | Float_t zAir[4]={6.,7.,8.,18.}; | |
481 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
482 | Float_t dAir = 1.20479E-3; | |
1972973f | 483 | Float_t dAir1 = 1.20479E-11; |
484 | ||
dc7ca31d | 485 | // Scintillator CH |
486 | Float_t ascin[2]={1.01,12.01}; | |
487 | Float_t zscin[2]={1,6}; | |
488 | Float_t wscin[2]={1,1}; | |
489 | Float_t denscin=1.03; | |
490 | //Lucite C(CH3)CO2CH3 | |
491 | Float_t alucite[3]={1.01,12.01,15.999}; | |
492 | Float_t zlucite[3]={1,6,8}; | |
493 | Float_t wlucite[3]={8,5,2}; | |
494 | Float_t denlucite=1.16; | |
495 | // PMT glass SiO2 | |
496 | Float_t aglass[2]={28.0855,15.9994}; | |
497 | Float_t zglass[2]={14.,8.}; | |
498 | Float_t wglass[2]={1.,2.}; | |
499 | Float_t dglass=2.65; | |
500 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 | |
501 | // Float_t wcer[2]={0.972,0.028}; | |
502 | Float_t aCeramic[2] = { 26.981539,15.9994 }; | |
503 | Float_t zCeramic[2] = { 13.,8. }; | |
504 | Float_t wCeramic[2] = { 2.,3. }; | |
505 | Float_t denscer = 3.6; | |
506 | ||
507 | // Brass 80% Cu, 20% Zn | |
508 | Float_t abrass[2] = {63.546,65.39}; | |
509 | Float_t zbrass[2] = {29,30}; | |
510 | Float_t wbrass[2] = {0.8,0.2}; | |
511 | Float_t denbrass=8.96; | |
512 | ||
513 | //Ribber C6H12S | |
514 | Float_t aribber[3] = {12.,1.,32.}; | |
515 | Float_t zribber[3] = {6.,1.,16.}; | |
516 | Float_t wribber[3] = {6.,12.,1.}; | |
517 | Float_t denribber=0.8; | |
518 | // Support inside | |
519 | Float_t asupport[2] = {12.,1.}; | |
520 | Float_t zsupport[2] = {6.,1.}; | |
521 | Float_t wsupport[2] = {1.,1.}; | |
522 | Float_t densupport=0.1; | |
523 | ||
524 | //*** Definition Of avaible T0 materials *** | |
525 | AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999); | |
1972973f | 526 | AliMixture(1, "Vacuum$", aAir, zAir, dAir1,4,wAir); |
dc7ca31d | 527 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); |
528 | AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); | |
529 | AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); | |
530 | ||
531 | AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic); | |
532 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); | |
533 | /* | |
534 | char namate[21]=""; | |
535 | ||
536 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); | |
537 | acer[0]=a; | |
538 | ||
539 | zcer[0]=z; | |
540 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); | |
541 | acer[1]=a; | |
542 | zcer[1]=z; | |
543 | AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer); | |
544 | */ | |
545 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
546 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); | |
547 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); | |
548 | AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite); | |
549 | AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport); | |
550 | AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass); | |
551 | AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass); | |
552 | AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir); | |
553 | AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir); | |
554 | ||
555 | AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
556 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
557 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
558 | AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
559 | AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
560 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
561 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
562 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
563 | AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
564 | AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
565 | AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
566 | AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
567 | AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
568 | AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
569 | AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
570 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
7235aed2 | 571 | |
572 | AliDebugClass(1,": ++++++++++++++Medium set++++++++++"); | |
573 | ||
574 | ||
575 | } | |
dc7ca31d | 576 | |
7235aed2 | 577 | //------------------------------------------------------------------- |
661663fa | 578 | void AliT0v1::DefineOpticalProperties() |
7235aed2 | 579 | { |
661663fa | 580 | // Optical properties definition. |
7235aed2 | 581 | Int_t *idtmed = fIdtmed->GetArray(); |
dc7ca31d | 582 | // Definition Cherenkov parameters |
583 | int i; | |
584 | const Int_t kNbins=31; | |
585 | ||
586 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; | |
2d2427f0 | 587 | Double_t efficMet[kNbins], aReflMet[kNbins]; |
588 | ||
dc7ca31d | 589 | // quartz 20mm |
590 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, | |
591 | 25.9, 25.3, 24.9, 24.5, 23.7, | |
592 | 23.2, 22.8, 22.4, 21.8, 21.3, | |
593 | 22.8, 22.1, 21.7, 21.2, 20.5, | |
594 | 19.9, 19.3, 18.7, 18.0, 17.1, | |
595 | 16.3, 15.3, 14.3, 14.3 }; | |
596 | ||
597 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, | |
598 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
599 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
600 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
601 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
602 | 8.22, 8.57, 8.97, 9.39 }; | |
2d2427f0 | 603 | Double_t dPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, |
604 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
605 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
606 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
607 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
608 | 8.22, 8.57, 8.97, 9.39 }; | |
609 | ||
dc7ca31d | 610 | /* |
611 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, | |
612 | 0.21, 0.22, 0.23, 0.24, 0.26, | |
613 | 0.27, 0.29, 0.30, 0.29, 0.29, | |
614 | 0.28, 0.28, 0.27, 0.26, 0.25, | |
615 | 0.25, 0.23, 0.20, 0.19, 0.17, | |
616 | 0.17, 0.17, 0.2, 0.23}; | |
617 | */ | |
618 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm | |
2d2427f0 | 619 | for(i=0;i<kNbins;i++) |
fb63e63c | 620 | |
dc7ca31d | 621 | { |
fb63e63c | 622 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV |
623 | dPckov[i]=dPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV | |
71105263 | 624 | // rindexAir[i]=0.0001; |
625 | rindexAir[i] = 1.; | |
dc7ca31d | 626 | rindexSiO2[i]=1.458; //refractive index for qwarts |
627 | rindexCathodeNext[i]=0; | |
628 | efficAll[i]=1.; | |
2d2427f0 | 629 | efficMet[i]=0.; |
630 | aReflMet[i]=1.; | |
dc7ca31d | 631 | // aAbsSiO2[i]=28.5; //quartz 30mm |
632 | absorAir[i]=0.3; | |
633 | absorbCathodeNext[i]=0; | |
634 | ||
635 | } | |
636 | ||
fb63e63c | 637 | gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); |
dc7ca31d | 638 | // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); |
639 | gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); | |
640 | gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); | |
641 | gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); | |
2d2427f0 | 642 | |
643 | //Define a boarder for radiator optical properties | |
644 | gMC->DefineOpSurface("surfRd", kUnified /*kGlisur*/,kDielectric_metal,kPolished, 0.); | |
645 | gMC->SetMaterialProperty("surfRd", "EFFICIENCY", kNbins, dPckov, efficMet); | |
646 | gMC->SetMaterialProperty("surfRd", "REFLECTIVITY", kNbins, dPckov, aReflMet); | |
647 | gMC->SetBorderSurface("0TOPborder", "0TOP",1,"0TOO",1, "surfRd"); | |
648 | ||
649 | ||
661663fa | 650 | } |
dc7ca31d | 651 | |
661663fa | 652 | //------------------------------------------------------------------- |
653 | void AliT0v1::Init() | |
654 | { | |
655 | // Initialises version 0 of the Forward Multiplicity Detector | |
656 | // | |
657 | AliT0::Init(); | |
658 | fIdSens1=gMC->VolId("0REG"); | |
dc7ca31d | 659 | |
661663fa | 660 | AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName())); |
dc7ca31d | 661 | } |
662 | ||
663 | //------------------------------------------------------------------- | |
664 | ||
665 | void AliT0v1::StepManager() | |
666 | { | |
667 | // | |
668 | // Called for every step in the T0 Detector | |
669 | // | |
670 | Int_t id,copy,copy1; | |
671 | static Float_t hits[6]; | |
672 | static Int_t vol[2]; | |
673 | TLorentzVector pos; | |
fd38174f | 674 | TLorentzVector mom; |
dc7ca31d | 675 | |
676 | // TClonesArray &lhits = *fHits; | |
677 | ||
678 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
679 | ||
12a0111b | 680 | id=gMC->CurrentVolID(copy); |
dc7ca31d | 681 | |
12a0111b | 682 | // Check the sensetive volume |
683 | if(id==fIdSens1 ) { | |
684 | if(gMC->IsTrackEntering()) { | |
685 | gMC->CurrentVolOffID(2,copy); | |
686 | vol[1]=copy; | |
687 | gMC->CurrentVolOffID(3,copy1); | |
688 | vol[0]=copy1; | |
689 | gMC->TrackPosition(pos); | |
690 | hits[0] = pos[0]; | |
691 | hits[1] = pos[1]; | |
692 | hits[2] = pos[2]; | |
693 | if(pos[2]<0) vol[0] = 2; | |
694 | if(pos[2]>=0) vol[0] = 1; | |
dc7ca31d | 695 | |
12a0111b | 696 | Float_t etot=gMC->Etot(); |
697 | hits[3]=etot; | |
698 | Int_t iPart= gMC->TrackPid(); | |
699 | Int_t partID=gMC->IdFromPDG(iPart); | |
700 | hits[4]=partID; | |
701 | Float_t ttime=gMC->TrackTime(); | |
702 | hits[5]=ttime*1e12; | |
703 | if (gMC->TrackPid() == 50000050) // If particles is photon then ... | |
704 | { | |
705 | if(RegisterPhotoE(vol[1]-1,hits[3])) { | |
706 | AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits); | |
707 | // Create a track reference at the exit of photocatode | |
708 | } | |
709 | } | |
710 | ||
711 | //charge particle | |
712 | if ( gMC->TrackCharge() ) | |
713 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kT0); | |
dc7ca31d | 714 | |
dc7ca31d | 715 | /* |
716 | printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n", | |
717 | gAlice->GetMCApp()->GetCurrentTrackNumber(), | |
718 | gMC->IsTrackAlive(), | |
719 | gMC->IsTrackDisappeared(), | |
720 | gMC->IsTrackEntering(), | |
721 | gMC->IsTrackExiting(), | |
722 | gMC->IsTrackInside(), | |
723 | gMC->IsTrackOut(), | |
724 | gMC->IsTrackStop(), | |
725 | gMC->IsNewTrack()); | |
12a0111b | 726 | */ |
727 | }// trck entering | |
728 | } //sensitive | |
729 | ||
dc7ca31d | 730 | } |
731 | ||
732 | ||
733 | ||
734 | //------------------------------------------------------------------------ | |
735 | Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy) | |
736 | { | |
737 | ||
738 | ||
739 | // Float_t hc=197.326960*1.e6; //mev*nm | |
740 | Double_t hc=1.973*1.e-6; //gev*nm | |
741 | Float_t lambda=hc/energy; | |
742 | Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda); | |
743 | Double_t p = gRandom->Rndm(); | |
744 | ||
745 | if (p > eff) | |
746 | return kFALSE; | |
747 | ||
748 | return kTRUE; | |
749 | } | |
750 | ||
751 | //---------------------------------------------------------------------------- | |
752 | ||
753 | ||
754 | ||
755 | ||
756 | ||
757 |