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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ///////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // T0 ( T-zero) detector version 1 // | |
21 | // | |
22 | //Begin Html | |
23 | /* | |
24 | <img src="gif/AliT0v1Class.gif"> | |
25 | */ | |
26 | //End Html | |
27 | // // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | #include <Riostream.h> | |
32 | #include <stdlib.h> | |
33 | ||
34 | #include "TGeoCompositeShape.h" | |
35 | #include "TGeoManager.h" | |
36 | #include "TGeoMatrix.h" | |
37 | #include "TGeoPcon.h" | |
38 | #include "TGeoTube.h" | |
39 | #include <TGeoGlobalMagField.h> | |
40 | #include <TGraph.h> | |
41 | #include <TLorentzVector.h> | |
42 | #include <TMath.h> | |
43 | #include <TVirtualMC.h> | |
44 | ||
45 | #include "AliLog.h" | |
46 | #include "AliMagF.h" | |
47 | #include "AliRun.h" | |
48 | ||
49 | #include "AliT0hit.h" | |
50 | #include "AliT0v1.h" | |
51 | #include "AliT0Parameters.h" | |
52 | ||
53 | #include "AliMC.h" | |
54 | #include "AliCDBLocal.h" | |
55 | #include "AliCDBStorage.h" | |
56 | #include "AliCDBManager.h" | |
57 | #include "AliCDBEntry.h" | |
58 | ||
59 | ClassImp(AliT0v1) | |
60 | ||
61 | ||
62 | //-------------------------------------------------------------------- | |
63 | AliT0v1::AliT0v1(): AliT0(), | |
64 | fIdSens1(0), | |
65 | fEffPMT(0x0) | |
66 | ||
67 | { | |
68 | // | |
69 | // Standart constructor for T0 Detector version 0 | |
70 | } | |
71 | //-------------------------------------------------------------------- | |
72 | AliT0v1::AliT0v1(const char *name, const char *title): | |
73 | AliT0(name,title), | |
74 | fIdSens1(0), | |
75 | fEffPMT(0x0) | |
76 | ||
77 | { | |
78 | // | |
79 | // Standart constructor for T0 Detector version 0 | |
80 | // | |
81 | fIshunt = 2; | |
82 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
83 | for (Int_t i=0; i<24; i++){ | |
84 | TGraph* grEff = param ->GetPMTeff(i); | |
85 | fEffPMT.AddAtAndExpand(grEff,i); | |
86 | } | |
87 | } | |
88 | //_____________________________________________________________________________ | |
89 | ||
90 | AliT0v1::~AliT0v1() | |
91 | { | |
92 | // desctructor | |
93 | } | |
94 | ||
95 | //------------------------------------------------------------------------- | |
96 | void AliT0v1::CreateGeometry() | |
97 | { | |
98 | // | |
99 | // Create the geometry of T0 Detector version 0 | |
100 | // | |
101 | // begin Html | |
102 | /* | |
103 | <img src="gif/AliT0v0.gif"> | |
104 | */ | |
105 | // | |
106 | ||
107 | ||
108 | Int_t *idtmed = fIdtmed->GetArray(); | |
109 | /* | |
110 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
111 | param->Init(); | |
112 | Float_t zdetC = param->GetZposition(0); | |
113 | Float_t zdetA = param->GetZposition(1); | |
114 | */ | |
115 | Float_t zdetC = 69.7; | |
116 | Float_t zdetA = 373.; | |
117 | ||
118 | Int_t is; | |
119 | Int_t idrotm[999]; | |
120 | Double_t x,y,z; | |
121 | //C T0 mother volume | |
122 | Float_t pstartR[18]={0., 360., 5., | |
123 | -6.8, 4.25, 10., //-76.5+0.00+69.7 | |
124 | // -0.75 , 4.45, 10., // -76.5+6.05+69.7 | |
125 | // 1.25 , 4.45, 10., //-76.5+8.05+69.7 | |
126 | -0.75 , 4.5, 10., // -76.5+6.05+69.7 | |
127 | 1.25 , 4.5, 10., //-76.5+8.05+69.7 | |
128 | 1.25 , 5.1, 10, //-76.5+8.05+69.7 | |
129 | 6.8 , 5.1, 10.}; //-62.9+0.00+69.7 | |
130 | ||
131 | Float_t pstart[3]={4., 12.5,6.8}; | |
132 | Float_t pinstart[3]={0.,1.45,6.5}; | |
133 | Float_t ppmt[3]={0.,1.4,3.5}; | |
134 | Float_t ptop[3]={0.,1.,1.0}; | |
135 | Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov | |
136 | Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection | |
137 | Float_t pbot[3]={0.6,1.2,0.1}; | |
138 | Float_t pglass[3]={1.2,1.3,2.}; | |
139 | Float_t pcer[3]={0.9,1.1,1.35}; | |
140 | Float_t psteel[3]={0.9,1.1,0.15}; | |
141 | Float_t psupport1[3] = {4.51,4.52,4.0};//C kozhuh vnutri | |
142 | Float_t psupport2[3] = {9.5,9.6,4.0};// snaruzhi C | |
143 | Float_t psupport3[3] = {4.52,9.5, 0.05};//kryshki C | |
144 | Float_t psupport5[3] = {1.44,1.45,6.5}; // stakanchik dlai feu C | |
145 | Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al | |
146 | Float_t psupport7[3] = {1.44,1.45,0.4}; //kolechko snaruzhu stakanchika Al | |
147 | ||
148 | // Mother Volume katushka dlia krepezha vokrug truby k Absorbru | |
149 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); | |
150 | Float_t ppcon[70]; | |
151 | ppcon[0] = 0; | |
152 | ppcon[1] = 360; | |
153 | ppcon[2] = 13; | |
154 | // 1: | |
155 | ppcon[3] = 7.2; | |
156 | ppcon[4] = 4.4; | |
157 | ppcon[5] = 4.5; | |
158 | // 2 | |
159 | ppcon[6] = 8.2; | |
160 | ppcon[7] = 4.4; | |
161 | ppcon[8] = 4.5; | |
162 | // 3 | |
163 | ppcon[9] = 8.2; | |
164 | ppcon[10] = 4.4; | |
165 | ppcon[11] = 5.1; | |
166 | ||
167 | // 4 | |
168 | ||
169 | ppcon[12] = 8.3; | |
170 | ppcon[13] = 4.4; | |
171 | ppcon[14] = 5.1; | |
172 | // 5 | |
173 | ||
174 | ppcon[15] = 8.3; | |
175 | ppcon[16] = 4.9; | |
176 | ppcon[17] = 5.1; | |
177 | ||
178 | // 6 | |
179 | ppcon[18] = 15.; | |
180 | ppcon[19] = 4.9; | |
181 | ppcon[20] = 5.1; | |
182 | ||
183 | // 7 | |
184 | ppcon[21] = 15.; | |
185 | ppcon[22] = 3.15 ; | |
186 | ppcon[23] = 5.1; | |
187 | ||
188 | /// 8 | |
189 | ppcon[24] = 15.01; | |
190 | ppcon[25] = 3.15; | |
191 | ppcon[26] = 5.1; | |
192 | ||
193 | /// 9 | |
194 | ppcon[27] = 15.01; | |
195 | ppcon[28] = 3.15; | |
196 | ppcon[29] = 3.25; | |
197 | ||
198 | ||
199 | /// 9 | |
200 | ppcon[30] = 19.71; | |
201 | ppcon[31] = 3.15; | |
202 | ppcon[32] = 3.25; | |
203 | // 10 | |
204 | ppcon[33] = 19.8; | |
205 | ppcon[34] = 3.15; | |
206 | ppcon[35] = 3.25; | |
207 | // 11 | |
208 | ppcon[36] = 19.8; | |
209 | ppcon[37] = 3.15; | |
210 | ppcon[38] = 7.6; | |
211 | ||
212 | // 14 | |
213 | ||
214 | ppcon[39] = 19.99; | |
215 | ppcon[40] = 3.15; | |
216 | ppcon[41] = 7.6; | |
217 | ||
218 | ||
219 | gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42); | |
220 | z = -zdetC; | |
221 | gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY"); | |
222 | ||
223 | //------------------------------------------------------------------- | |
224 | // T0 volume | |
225 | //------------------------------------------------------------------- | |
226 | ||
227 | ||
228 | gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18); | |
229 | gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY"); | |
230 | // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY"); | |
231 | ||
232 | //T0 interior | |
233 | gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3); | |
234 | gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3); | |
235 | ||
236 | gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri | |
237 | gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C | |
238 | gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C | |
239 | gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C | |
240 | // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air | |
241 | gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C | |
242 | gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al | |
243 | gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al | |
244 | ||
245 | ||
246 | ||
247 | //non-absorber side support and T0A !!!!!!!! | |
248 | ||
249 | TGeoPcon * supPgon = new TGeoPcon("0supPgon",0.,360.,4); | |
250 | supPgon->DefineSection(0, 0, 4.1, 5.5); | |
251 | supPgon->DefineSection(1, 10.5 , 4.1, 5.5); | |
252 | supPgon->DefineSection(2, 10.5 , 4.1, 4.9); | |
253 | supPgon->DefineSection(3, 12.5 , 4.1, 4.9); | |
254 | TGeoTranslation *trPgon = new TGeoTranslation("0trPgon",0,0,0); | |
255 | trPgon->RegisterYourself(); | |
256 | ||
257 | TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment | |
258 | TGeoVolume *ins = gGeoManager->GetVolume("0INS"); | |
259 | ||
260 | new TGeoTube("0HOLE", 0, 1.51, 6.5); | |
261 | TGeoTranslation *tr [12]; | |
262 | Double_t angle = 2 * TMath::Pi() / 12; | |
263 | Char_t nameTr[40]; | |
264 | for (Int_t itr=0; itr<12; itr++) { | |
265 | sprintf (nameTr,"0TR%i",itr+1); | |
266 | x = 6.5 * TMath::Sin(itr * angle); | |
267 | y = 6.5 * TMath::Cos(itr * angle); | |
268 | tr[itr] = new TGeoTranslation(nameTr,x,y,6.5); | |
269 | tr[itr]->RegisterYourself(); | |
270 | stlin->AddNode(ins,itr+13,tr[itr]); | |
271 | } | |
272 | 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)"); | |
273 | ||
274 | TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$"); | |
275 | TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal); | |
276 | stlin->AddNode(supA,1,new TGeoTranslation(0,0,0)); | |
277 | ||
278 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); | |
279 | alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA )); | |
280 | ||
281 | // T0A finished | |
282 | ||
283 | //T0C | |
284 | // first ring: 12 units of Scintillator+PMT+divider | |
285 | Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.6 / zdetC); | |
286 | Float_t phi[3]; | |
287 | for (is=0; is<12; is++) | |
288 | { | |
289 | ||
290 | x = 6.6 * TMath::Sin(is * angle); | |
291 | y = 6.6 * TMath::Cos(is * angle); | |
292 | ||
293 | phi[0] = -30 * is; | |
294 | phi[1] = 90 - is * 30; | |
295 | phi[2] = 90 - is * 30; | |
296 | for (Int_t j = 0; j < 3; j++) | |
297 | if (phi[j] < 0) phi[j] += 360; | |
298 | ||
299 | AliMatrix (idrotm[902 + is], 90., phi[0], | |
300 | 90. + theta, phi[1], | |
301 | theta, phi[2]); | |
302 | z=-pstart[2]+pinstart[2]+0.3; | |
303 | gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY"); | |
304 | } | |
305 | ||
306 | x=0; | |
307 | y=0; | |
308 | // z=-pinstart[2]+ppmt[2]+psupport6[2]*2; | |
309 | z=-pinstart[2]+ppmt[2]+0.08; //+psupport6[2]; | |
310 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); | |
311 | // PMT | |
312 | ||
313 | // Entry window (glass) | |
314 | gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass | |
315 | z=-ppmt[2]+ptop[2]; | |
316 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); | |
317 | //"metal" air volume to simulate reclection | |
318 | gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); | |
319 | gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY"); | |
320 | ||
321 | //Fotokatod | |
322 | gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); | |
323 | z = -ppmt[2] + 2 * ptop[2] + preg[2]; | |
324 | gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); | |
325 | // Bottom glass | |
326 | gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3); | |
327 | z=ppmt[2]-pbot[2]; | |
328 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); | |
329 | // Side cylinder glass | |
330 | gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3); | |
331 | z=ppmt[2]-pglass[2]; | |
332 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); | |
333 | //PMT electrodes support structure | |
334 | gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3); | |
335 | gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3); | |
336 | z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2]; | |
337 | gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY"); | |
338 | z +=psteel[2]+pcer[2]; | |
339 | gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY"); | |
340 | ||
341 | //Support absorber (C) side | |
342 | z=-pstart[2]+psupport1[2];// 0.05; //0.1; | |
343 | gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi | |
344 | gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri | |
345 | z=-pstart[2]+psupport3[2];// - 0.1; | |
346 | gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka | |
347 | z=-pstart[2]+2.*psupport1[2];//+0.1; | |
348 | gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka | |
349 | gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu | |
350 | z=-pinstart[2]+psupport6[2]; //-0.1; | |
351 | gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka | |
352 | ||
353 | z=pinstart[2]-psupport7[2]; | |
354 | gMC->Gspos("0SU8",1,"0SU6",0,0,z,0,"ONLY"); //Al kolechko | |
355 | ||
356 | ||
357 | Float_t par[3]; | |
358 | par[0]=4.4; | |
359 | par[1]=4.5; | |
360 | par[2]=0.5; | |
361 | gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3); | |
362 | z=ppcon[3]+par[2]; | |
363 | gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); | |
364 | z += par[2]; | |
365 | par[0]=4.4; | |
366 | par[1]=5.1; | |
367 | par[2]=0.05; | |
368 | gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3); | |
369 | z += par[2]; | |
370 | gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); | |
371 | z=z+par[2]; | |
372 | par[0]=4.9; | |
373 | par[1]=5.0; | |
374 | par[2]=6.7/2; | |
375 | gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3); | |
376 | z += par[2]; | |
377 | gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); | |
378 | z += par[2]; | |
379 | ||
380 | par[0]=3.15; | |
381 | par[1]=4.9; | |
382 | par[2]=0.01/2; | |
383 | ||
384 | gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3); | |
385 | ||
386 | z += par[2]; | |
387 | // z -= par[2]; | |
388 | gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); | |
389 | z=z+par[2]; | |
390 | par[0]=3.15; | |
391 | par[1]=3.16; | |
392 | par[2]=4.7/2; | |
393 | gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3); | |
394 | z += par[2]; | |
395 | gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); | |
396 | z=z+par[2]; | |
397 | par[0]=3.16; // eta chast' prikruchena k absorberu | |
398 | par[1]=7.4; | |
399 | par[2]=0.01; | |
400 | gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3); | |
401 | // z += par[2]; | |
402 | z = ppcon[39] - par[2]; | |
403 | gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); | |
404 | par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu | |
405 | par[1]=7.4; | |
406 | par[2]=0.01; | |
407 | gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3); | |
408 | gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"MANY"); | |
409 | ||
410 | ||
411 | ||
412 | ||
413 | } | |
414 | //------------------------------------------------------------------------ | |
415 | void AliT0v1::AddAlignableVolumes() const | |
416 | { | |
417 | // | |
418 | // Create entries for alignable volumes associating the symbolic volume | |
419 | // name with the corresponding volume path. Needs to be syncronized with | |
420 | // eventual changes in the geometry. | |
421 | // | |
422 | ||
423 | // TString volPath; | |
424 | // TString symName, sn; | |
425 | ||
426 | ||
427 | ||
428 | ||
429 | TString volPath; | |
430 | TString symName, sn; | |
431 | ||
432 | TString vpA = "/ALIC_1/0STL_1/0INS_"; | |
433 | TString vpC = "/ALIC_1/0STR_1/0INS_"; | |
434 | TString vpInside = "/0PMT_1/0TOP_1"; | |
435 | TString vpAalign = "/ALIC_1/0STL_1"; | |
436 | TString vpCalign = "/ALIC_1/0STR_1"; | |
437 | ||
438 | for (Int_t imod=0; imod<26; imod++) | |
439 | { | |
440 | if (imod < 24) | |
441 | { | |
442 | if (imod < 12) | |
443 | { volPath = vpC; sn="T0/C/PMT";} | |
444 | else | |
445 | { volPath = vpA; sn="T0/A/PMT";} | |
446 | volPath += imod+1; | |
447 | volPath += vpInside; | |
448 | symName = sn; | |
449 | symName += imod+1; | |
450 | } | |
451 | else if (imod == 24) | |
452 | {volPath = vpCalign; symName="/ALIC_1/0STR_1";} | |
453 | else | |
454 | {volPath = vpAalign; symName="/ALIC_1/0STL_1";} | |
455 | ||
456 | AliDebug(2,"--------------------------------------------"); | |
457 | AliDebug(2,Form("Alignable object %d", imod)); | |
458 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); | |
459 | AliDebug(2,Form("symName=%s\n",symName.Data())); | |
460 | AliDebug(2,"--------------------------------------------"); | |
461 | if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) | |
462 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", | |
463 | symName.Data(),volPath.Data())); | |
464 | } | |
465 | /* | |
466 | for (Int_t imod=0; imod<24; imod++) | |
467 | { | |
468 | if (imod < 12) | |
469 | { volPath = vpC; sn="T0/C/PMT";} | |
470 | else | |
471 | { volPath = vpA; sn="T0/A/PMT";} | |
472 | volPath += imod+1; | |
473 | volPath += vpInside; | |
474 | symName = sn; | |
475 | symName += imod+1; | |
476 | ||
477 | ||
478 | AliDebug(2,"--------------------------------------------"); | |
479 | AliDebug(2,Form("Alignable object %d", imod)); | |
480 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); | |
481 | AliDebug(2,Form("symName=%s\n",symName.Data())); | |
482 | AliDebug(2,"--------------------------------------------"); | |
483 | if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) | |
484 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", | |
485 | symName.Data(),volPath.Data())); | |
486 | } | |
487 | */ | |
488 | } | |
489 | //------------------------------------------------------------------------ | |
490 | void AliT0v1::CreateMaterials() | |
491 | { | |
492 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
493 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
494 | // Float_t a,z,d,radl,absl,buf[1]; | |
495 | // Int_t nbuf; | |
496 | // AIR | |
497 | ||
498 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
499 | Float_t zAir[4]={6.,7.,8.,18.}; | |
500 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
501 | Float_t dAir = 1.20479E-3; | |
502 | ||
503 | // Scintillator CH | |
504 | Float_t ascin[2]={1.01,12.01}; | |
505 | Float_t zscin[2]={1,6}; | |
506 | Float_t wscin[2]={1,1}; | |
507 | Float_t denscin=1.03; | |
508 | //Lucite C(CH3)CO2CH3 | |
509 | Float_t alucite[3]={1.01,12.01,15.999}; | |
510 | Float_t zlucite[3]={1,6,8}; | |
511 | Float_t wlucite[3]={8,5,2}; | |
512 | Float_t denlucite=1.16; | |
513 | // PMT glass SiO2 | |
514 | Float_t aglass[2]={28.0855,15.9994}; | |
515 | Float_t zglass[2]={14.,8.}; | |
516 | Float_t wglass[2]={1.,2.}; | |
517 | Float_t dglass=2.65; | |
518 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 | |
519 | // Float_t wcer[2]={0.972,0.028}; | |
520 | Float_t aCeramic[2] = { 26.981539,15.9994 }; | |
521 | Float_t zCeramic[2] = { 13.,8. }; | |
522 | Float_t wCeramic[2] = { 2.,3. }; | |
523 | Float_t denscer = 3.6; | |
524 | ||
525 | // Brass 80% Cu, 20% Zn | |
526 | Float_t abrass[2] = {63.546,65.39}; | |
527 | Float_t zbrass[2] = {29,30}; | |
528 | Float_t wbrass[2] = {0.8,0.2}; | |
529 | Float_t denbrass=8.96; | |
530 | ||
531 | //Ribber C6H12S | |
532 | Float_t aribber[3] = {12.,1.,32.}; | |
533 | Float_t zribber[3] = {6.,1.,16.}; | |
534 | Float_t wribber[3] = {6.,12.,1.}; | |
535 | Float_t denribber=0.8; | |
536 | // Support inside | |
537 | Float_t asupport[2] = {12.,1.}; | |
538 | Float_t zsupport[2] = {6.,1.}; | |
539 | Float_t wsupport[2] = {1.,1.}; | |
540 | Float_t densupport=0.1; | |
541 | ||
542 | //*** Definition Of avaible T0 materials *** | |
543 | AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999); | |
544 | AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999); | |
545 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); | |
546 | AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); | |
547 | AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); | |
548 | ||
549 | AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic); | |
550 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); | |
551 | /* | |
552 | char namate[21]=""; | |
553 | ||
554 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); | |
555 | acer[0]=a; | |
556 | ||
557 | zcer[0]=z; | |
558 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); | |
559 | acer[1]=a; | |
560 | zcer[1]=z; | |
561 | AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer); | |
562 | */ | |
563 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
564 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); | |
565 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); | |
566 | AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite); | |
567 | AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport); | |
568 | AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass); | |
569 | AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass); | |
570 | AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir); | |
571 | AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir); | |
572 | ||
573 | AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
574 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
575 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
576 | AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
577 | AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
578 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
579 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
580 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
581 | AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
582 | AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
583 | AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
584 | AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
585 | AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
586 | AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
587 | AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
588 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
589 | ||
590 | AliDebugClass(1,": ++++++++++++++Medium set++++++++++"); | |
591 | ||
592 | ||
593 | } | |
594 | //--------------------------------------------------------------------- | |
595 | void AliT0v1::DrawDetector() | |
596 | { | |
597 | // | |
598 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
599 | // | |
600 | ||
601 | //Set ALIC mother transparent | |
602 | gMC->Gsatt("ALIC","SEEN",0); | |
603 | // | |
604 | //Set volumes visible | |
605 | // gMC->Gsatt("0STR","SEEN",0); | |
606 | // gMC->Gsatt("0INS","SEEN",0); | |
607 | // gMC->Gsatt("0PMT","SEEN",1); | |
608 | // gMC->Gsatt("0DIV","SEEN",1); | |
609 | // | |
610 | gMC->Gdopt("hide","off"); | |
611 | gMC->Gdopt("shad","on"); | |
612 | gMC->SetClipBox("."); | |
613 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
614 | gMC->DefaultRange(); | |
615 | gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6); | |
616 | //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view | |
617 | gMC->Gdhead(1111,"T-Zero detector"); | |
618 | gMC->Gdopt("hide","off"); | |
619 | } | |
620 | ||
621 | //------------------------------------------------------------------- | |
622 | void AliT0v1::DefineOpticalProperties() | |
623 | { | |
624 | // Optical properties definition. | |
625 | Int_t *idtmed = fIdtmed->GetArray(); | |
626 | // Definition Cherenkov parameters | |
627 | int i; | |
628 | const Int_t kNbins=31; | |
629 | ||
630 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; | |
631 | ||
632 | // quartz 20mm | |
633 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, | |
634 | 25.9, 25.3, 24.9, 24.5, 23.7, | |
635 | 23.2, 22.8, 22.4, 21.8, 21.3, | |
636 | 22.8, 22.1, 21.7, 21.2, 20.5, | |
637 | 19.9, 19.3, 18.7, 18.0, 17.1, | |
638 | 16.3, 15.3, 14.3, 14.3 }; | |
639 | ||
640 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, | |
641 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
642 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
643 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
644 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
645 | 8.22, 8.57, 8.97, 9.39 }; | |
646 | /* | |
647 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, | |
648 | 0.21, 0.22, 0.23, 0.24, 0.26, | |
649 | 0.27, 0.29, 0.30, 0.29, 0.29, | |
650 | 0.28, 0.28, 0.27, 0.26, 0.25, | |
651 | 0.25, 0.23, 0.20, 0.19, 0.17, | |
652 | 0.17, 0.17, 0.2, 0.23}; | |
653 | */ | |
654 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm | |
655 | for(i=0;i<kNbins;i++) | |
656 | { | |
657 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV | |
658 | rindexAir[i]=0; | |
659 | rindexSiO2[i]=1.458; //refractive index for qwarts | |
660 | rindexCathodeNext[i]=0; | |
661 | efficAll[i]=1.; | |
662 | ||
663 | // aAbsSiO2[i]=28.5; //quartz 30mm | |
664 | absorAir[i]=0.3; | |
665 | absorbCathodeNext[i]=0; | |
666 | ||
667 | } | |
668 | ||
669 | ||
670 | gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); | |
671 | // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); | |
672 | gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); | |
673 | gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); | |
674 | gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); | |
675 | } | |
676 | ||
677 | //------------------------------------------------------------------- | |
678 | void AliT0v1::Init() | |
679 | { | |
680 | // Initialises version 0 of the Forward Multiplicity Detector | |
681 | // | |
682 | AliT0::Init(); | |
683 | fIdSens1=gMC->VolId("0REG"); | |
684 | ||
685 | AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName())); | |
686 | } | |
687 | ||
688 | //------------------------------------------------------------------- | |
689 | ||
690 | void AliT0v1::StepManager() | |
691 | { | |
692 | // | |
693 | // Called for every step in the T0 Detector | |
694 | // | |
695 | Int_t id,copy,copy1; | |
696 | static Float_t hits[6]; | |
697 | static Int_t vol[2]; | |
698 | TLorentzVector pos; | |
699 | ||
700 | // TClonesArray &lhits = *fHits; | |
701 | ||
702 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
703 | ||
704 | ||
705 | // If particles is photon then ... | |
706 | ||
707 | if (gMC->TrackPid() == 50000050) | |
708 | { | |
709 | id=gMC->CurrentVolID(copy); | |
710 | ||
711 | ||
712 | // Check the sensetive volume | |
713 | if(id==fIdSens1 ) { | |
714 | if(gMC->IsTrackEntering()) { | |
715 | gMC->CurrentVolOffID(2,copy); | |
716 | vol[1]=copy; | |
717 | gMC->CurrentVolOffID(3,copy1); | |
718 | vol[0]=copy1; | |
719 | gMC->TrackPosition(pos); | |
720 | hits[0] = pos[0]; | |
721 | hits[1] = pos[1]; | |
722 | hits[2] = pos[2]; | |
723 | if(pos[2]<0) vol[0]=2; | |
724 | if(pos[2]>=0) vol[0]=1; | |
725 | ||
726 | Float_t etot=gMC->Etot(); | |
727 | hits[3]=etot; | |
728 | Int_t iPart= gMC->TrackPid(); | |
729 | Int_t partID=gMC->IdFromPDG(iPart); | |
730 | hits[4]=partID; | |
731 | Float_t ttime=gMC->TrackTime(); | |
732 | hits[5]=ttime*1e12; | |
733 | if(RegisterPhotoE(vol[1]-1,hits[3])) | |
734 | AddHit(fIshunt,vol,hits); | |
735 | ||
736 | } | |
737 | // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl; | |
738 | ||
739 | /* | |
740 | printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n", | |
741 | gAlice->GetMCApp()->GetCurrentTrackNumber(), | |
742 | gMC->IsTrackAlive(), | |
743 | gMC->IsTrackDisappeared(), | |
744 | gMC->IsTrackEntering(), | |
745 | gMC->IsTrackExiting(), | |
746 | gMC->IsTrackInside(), | |
747 | gMC->IsTrackOut(), | |
748 | gMC->IsTrackStop(), | |
749 | gMC->IsNewTrack()); | |
750 | */ | |
751 | } //sensitive | |
752 | } //photon | |
753 | } | |
754 | ||
755 | ||
756 | ||
757 | //------------------------------------------------------------------------ | |
758 | Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy) | |
759 | { | |
760 | ||
761 | ||
762 | // Float_t hc=197.326960*1.e6; //mev*nm | |
763 | Double_t hc=1.973*1.e-6; //gev*nm | |
764 | Float_t lambda=hc/energy; | |
765 | Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda); | |
766 | Double_t p = gRandom->Rndm(); | |
767 | ||
768 | if (p > eff) | |
769 | return kFALSE; | |
770 | ||
771 | return kTRUE; | |
772 | } | |
773 | ||
774 | //---------------------------------------------------------------------------- | |
775 | ||
776 | ||
777 | ||
778 | ||
779 | ||
780 |