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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 | ||
34 | #include <TGeometry.h> | |
35 | #include <TLorentzVector.h> | |
36 | #include <TMath.h> | |
37 | #include <TNode.h> | |
38 | #include <TTUBE.h> | |
39 | #include <TVirtualMC.h> | |
40 | #include "TGeoManager.h" | |
41 | #include "TGeoPgon.h" | |
42 | #include "TGeoTube.h" | |
43 | #include "TGeoCompositeShape.h" | |
44 | #include <TGraph.h> | |
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" | |
59 | ||
60 | ClassImp(AliT0v1) | |
61 | ||
62 | //-------------------------------------------------------------------- | |
63 | AliT0v1::AliT0v1(const char *name, const char *title): | |
64 | AliT0(name,title), | |
65 | fIdSens1(0) | |
66 | { | |
67 | // | |
68 | // Standart constructor for T0 Detector version 0 | |
69 | // | |
70 | fIshunt = 2; | |
71 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
72 | for (Int_t i=0; i<24; i++){ | |
73 | TGraph* grEff = param ->GetPMTeff(i); | |
74 | fEffPMT.AddAtAndExpand(grEff,i); | |
75 | } | |
76 | } | |
77 | //_____________________________________________________________________________ | |
78 | ||
79 | AliT0v1::~AliT0v1() | |
80 | { | |
81 | // desctructor | |
82 | } | |
83 | ||
84 | //------------------------------------------------------------------------- | |
85 | void AliT0v1::CreateGeometry() | |
86 | { | |
87 | // | |
88 | // Create the geometry of T0 Detector version 0 | |
89 | // | |
90 | // begin Html | |
91 | /* | |
92 | <img src="gif/AliT0v0.gif"> | |
93 | */ | |
94 | // | |
95 | ||
96 | ||
97 | Int_t *idtmed = fIdtmed->GetArray(); | |
98 | /* | |
99 | AliT0Parameters* param = AliT0Parameters::Instance(); | |
100 | param->Init(); | |
101 | Float_t zdetC = param->GetZposition(0); | |
102 | Float_t zdetA = param->GetZposition(1); | |
103 | */ | |
104 | Float_t zdetC = 69.7; | |
105 | Float_t zdetA = 373.; | |
106 | ||
107 | Int_t is; | |
108 | Int_t idrotm[999]; | |
109 | Float_t x,y,z; | |
110 | //C T0 mother volume | |
111 | Float_t pstartR[18]={0., 360., 5., | |
112 | -6.8, 4.25, 10., //-76.5+0.00+69.7 | |
113 | -0.75 , 4.5, 10., // -76.5+6.05+69.7 | |
114 | 1.25 , 4.5, 10., //-76.5+8.05+69.7 | |
115 | 1.25 , 5.1, 10., //-76.5+8.05+69.7 | |
116 | 6.8 , 5.1, 10.}; //-62.9+0.00+69.7 | |
117 | ||
118 | Float_t pstart[3]={4., 12.5,6.8}; | |
119 | Float_t pinstart[3]={0.,1.6,6.5}; | |
120 | Float_t ppmt[3]={0.,1.5,3.5}; | |
121 | Float_t ptop[3]={0.,1.,1.0}; | |
122 | Float_t preg[3]={0., 1.0, 0.005}; //photcathode dobavil bogdanov | |
123 | Float_t ptopout[3]={1.,1.01, 1.}; //metal air around raiator for photos reflection | |
124 | Float_t pbot[3]={0.6,1.2,0.1}; | |
125 | Float_t pglass[3]={1.2,1.3,2.}; | |
126 | Float_t pcer[3]={0.9,1.1,1.35}; | |
127 | Float_t psteel[3]={0.9,1.1,0.15}; | |
128 | Float_t psupport1[3] = {4.51,4.6,4.0};//C kozhuh vnutri | |
129 | Float_t psupport2[3] = {9.4,9.5,4.0};// snaruzhi C | |
130 | Float_t psupport3[3] = {4.51,9.5,0.05};//kryshki C | |
131 | Float_t psupport5[3] = {1.44,1.5,6.5}; // stakanchik dlai feu C | |
132 | Float_t psupport6[3] = {0,1.4,0.04}; //kryshechka stakanchika Al | |
133 | Float_t psupport7[3] = {1.5,1.6,0.4}; //kolechko snaruzhu stakanchika Al | |
134 | ||
135 | // Mother Volume katushka dlia krepezha vokrug truby k Absorbru | |
136 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); | |
137 | Float_t ppcon[70]; | |
138 | ppcon[0] = 0; | |
139 | ppcon[1] = 360; | |
140 | ppcon[2] = 13; | |
141 | // 1: | |
142 | ppcon[3] = 7.2; | |
143 | ppcon[4] = 4.4; | |
144 | ppcon[5] = 4.5; | |
145 | // 2 | |
146 | ppcon[6] = 8.2; | |
147 | ppcon[7] = 4.4; | |
148 | ppcon[8] = 4.5; | |
149 | // 3 | |
150 | ppcon[9] = 8.2; | |
151 | ppcon[10] = 4.4; | |
152 | ppcon[11] = 5.1; | |
153 | ||
154 | // 4 | |
155 | ||
156 | ppcon[12] = 8.3; | |
157 | ppcon[13] = 4.4; | |
158 | ppcon[14] = 5.1; | |
159 | // 5 | |
160 | ||
161 | ppcon[15] = 8.3; | |
162 | ppcon[16] = 4.9; | |
163 | ppcon[17] = 5.1; | |
164 | ||
165 | // 6 | |
166 | ppcon[18] = 15.; | |
167 | ppcon[19] = 4.9; | |
168 | ppcon[20] = 5.1; | |
169 | ||
170 | // 7 | |
171 | ppcon[21] = 15.; | |
172 | ppcon[22] = 3.15 ; | |
173 | ppcon[23] = 5.1; | |
174 | ||
175 | /// 8 | |
176 | ppcon[24] = 15.01; | |
177 | ppcon[25] = 3.15; | |
178 | ppcon[26] = 5.1; | |
179 | ||
180 | /// 9 | |
181 | ppcon[27] = 15.01; | |
182 | ppcon[28] = 3.15; | |
183 | ppcon[29] = 3.25; | |
184 | ||
185 | ||
186 | /// 9 | |
187 | ppcon[30] = 19.71; | |
188 | ppcon[31] = 3.15; | |
189 | ppcon[32] = 3.25; | |
190 | // 10 | |
191 | ppcon[33] = 19.8; | |
192 | ppcon[34] = 3.15; | |
193 | ppcon[35] = 3.25; | |
194 | // 11 | |
195 | ppcon[36] = 19.8; | |
196 | ppcon[37] = 3.15; | |
197 | ppcon[38] = 7.6; | |
198 | ||
199 | // 14 | |
200 | ||
201 | ppcon[39] = 19.91; | |
202 | ppcon[40] = 3.15; | |
203 | ppcon[41] = 7.6; | |
204 | ||
205 | ||
206 | gMC->Gsvolu("0SUP", "PCON", idtmed[kAir], ppcon,42); | |
207 | z = -zdetC; | |
208 | gMC->Gspos("0SUP",1,"ALIC",0.,0.,z,idrotm[901],"ONLY"); | |
209 | ||
210 | //------------------------------------------------------------------- | |
211 | // T0 volume | |
212 | //------------------------------------------------------------------- | |
213 | ||
214 | ||
215 | gMC->Gsvolu("0STR","PCON",idtmed[kAir],pstartR,18); | |
dc7ca31d | 216 | gMC->Gspos("0STR",1,"ALIC",0.,0.,-zdetC+pstartR[3],idrotm[901],"ONLY"); |
217 | // gMC->Gspos("0STL",1,"ALIC",0.,0.,zdetA+pstart[2],0,"ONLY"); | |
218 | ||
219 | //T0 interior | |
220 | gMC->Gsvolu("0INS","TUBE",idtmed[kAir],pinstart,3); | |
221 | gMC->Gsvolu("0PMT","TUBE",idtmed[kAir],ppmt,3); | |
222 | ||
223 | gMC->Gsvolu("0SU1","TUBE",idtmed[kC],psupport1,3);//C kozhuh vnutri | |
224 | gMC->Gsvolu("0SU2","TUBE",idtmed[kC],psupport2,3);// snaruzhi C | |
225 | gMC->Gsvolu("0SU3","TUBE",idtmed[kC],psupport3,3);//kryshka perednaiai C | |
226 | gMC->Gsvolu("0SU4","TUBE",idtmed[kC],psupport3,3);//kryshka zadnaiai C | |
227 | // gMC->Gsvolu("0SU5","TUBE",idtmed[kAir],psupport4,3);// dyrki dlia feu v zadnej kryshke Air | |
228 | gMC->Gsvolu("0SU6","TUBE",idtmed[kC],psupport5,3);// stakanchik dlai feu C | |
229 | gMC->Gsvolu("0SU7","TUBE",idtmed[kAl],psupport6,3);//kryshechka stakanchika Al | |
230 | gMC->Gsvolu("0SU8","TUBE",idtmed[kAl],psupport7,3);//kolechko snaruzhu stakanchika Al | |
231 | ||
232 | ||
233 | ||
234 | //non-absorber side support and T0A !!!!!!!! | |
235 | ||
236 | TGeoPgon * supPgon = new TGeoPgon("supPgon",0.,360.,360,4); | |
237 | supPgon->DefineSection(0, 0, 4.1, 5.5); | |
238 | supPgon->DefineSection(1, 10.5 , 4.1, 5.5); | |
239 | supPgon->DefineSection(2, 10.5 , 4.1, 4.9); | |
240 | supPgon->DefineSection(3, 12.5 , 4.1, 4.9); | |
241 | TGeoTranslation *trPgon = new TGeoTranslation("trPgon",0,0,0); | |
242 | trPgon->RegisterYourself(); | |
243 | ||
1b070c3c | 244 | TGeoVolumeAssembly * stlin = new TGeoVolumeAssembly("0STL");//empty segment |
dc7ca31d | 245 | TGeoVolume *ins = gGeoManager->GetVolume("0INS"); |
246 | ||
247 | Double_t phimin = TMath::ACos((16-4.8)/16.) * (180 / TMath::Pi()) ; | |
248 | // TGeoTubeSeg *hole = new TGeoTubeSeg("hole", 0, 1.6, 0, -phimin+90, phimin+90); | |
249 | TGeoTube*hole = new TGeoTube("hole", 0, 1.61, 6.5); | |
250 | TGeoTranslation *tr [12]; | |
251 | Float_t angle = 2 * TMath::Pi() / 12; | |
b92d4288 | 252 | Char_t nameTr[40]; |
dc7ca31d | 253 | for (Int_t itr=0; itr<12; itr++) { |
254 | sprintf (nameTr,"tr%i",itr+1); | |
255 | x = 6.5 * TMath::Sin(itr * angle); | |
256 | y = 6.5 * TMath::Cos(itr * angle); | |
257 | tr[itr] = new TGeoTranslation(nameTr,x,y,6.5); | |
258 | tr[itr]->RegisterYourself(); | |
259 | stlin->AddNode(ins,itr+13,tr[itr]); | |
260 | } | |
261 | TGeoCompositeShape *supsh = new TGeoCompositeShape("supsh","supPgon:trPgon-(hole:tr1+hole:tr2+hole:tr3+hole:tr4+hole:tr5+hole:tr6+hole:tr7+hole:tr8+hole:tr9+hole:tr10+hole:tr11+hole:tr12)"); | |
262 | ||
263 | TGeoMedium *medal = gGeoManager->GetMedium("T0_Aluminium$"); | |
264 | TGeoVolume *supA = new TGeoVolume("0SUA",supsh,medal); | |
265 | stlin->AddNode(supA,1,new TGeoTranslation(0,0,0)); | |
266 | ||
267 | TGeoVolume *alice = gGeoManager->GetVolume("ALIC"); | |
268 | alice->AddNode(stlin,1,new TGeoTranslation(0,0, zdetA )); | |
269 | ||
270 | // T0A finished | |
271 | ||
272 | //T0C | |
273 | // first ring: 12 units of Scintillator+PMT+divider | |
274 | Float_t theta = (180 / TMath::Pi()) * TMath::ATan(6.5 / zdetC); | |
275 | Float_t phi[3]; | |
276 | for (is=0; is<12; is++) | |
277 | { | |
278 | ||
279 | x = 6.5 * TMath::Sin(is * angle); | |
280 | y = 6.5 * TMath::Cos(is * angle); | |
281 | ||
282 | phi[0] = -30 * is; | |
283 | phi[1] = 90 - is * 30; | |
284 | phi[2] = 90 - is * 30; | |
285 | for (Int_t j = 0; j < 3; j++) | |
286 | if (phi[j] < 0) phi[j] += 360; | |
287 | ||
288 | AliMatrix (idrotm[902 + is], 90., phi[0], | |
289 | 90. + theta, phi[1], | |
290 | theta, phi[2]); | |
291 | z=-pstart[2]+pinstart[2]+0.2; | |
292 | gMC->Gspos ("0INS", is + 1, "0STR", x, y, z, idrotm[902 + is], "ONLY"); | |
293 | } | |
294 | ||
295 | x=0; | |
296 | y=0; | |
297 | z=-pinstart[2]+ppmt[2]+psupport6[2]*2; | |
298 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); | |
299 | // PMT | |
300 | ||
301 | // Entry window (glass) | |
302 | gMC->Gsvolu("0TOP","TUBE",idtmed[kOpGlass],ptop,3); //glass | |
303 | z=-ppmt[2]+ptop[2]; | |
304 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); | |
305 | //"metal" air volume to simulate reclection | |
306 | gMC->Gsvolu("0TOO","TUBE",idtmed[kOpAir],ptopout,3); | |
307 | gMC->Gspos("0TOO",1,"0PMT",0,0,z,0,"ONLY"); | |
308 | ||
309 | //Fotokatod | |
310 | gMC->Gsvolu ("0REG", "TUBE", idtmed[kOpGlassCathode], preg, 3); | |
311 | z = -ppmt[2] + 2 * ptop[2] + preg[2]; | |
312 | gMC->Gspos ("0REG", 1, "0PMT", 0, 0, z, 0, "ONLY"); | |
313 | // Bottom glass | |
314 | gMC->Gsvolu("0BOT","TUBE",idtmed[kGlass],pbot,3); | |
315 | z=ppmt[2]-pbot[2]; | |
316 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); | |
317 | // Side cylinder glass | |
318 | gMC->Gsvolu("0OUT","TUBE",idtmed[kGlass],pglass,3); | |
319 | z=ppmt[2]-pglass[2]; | |
320 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); | |
321 | //PMT electrodes support structure | |
322 | gMC->Gsvolu("0CER","TUBE",idtmed[kCer],pcer,3); | |
323 | gMC->Gsvolu("0STE","TUBE",idtmed[kSteel],psteel,3); | |
324 | z=-ppmt[2]+2*ptop[2]+0.3 + pcer[2]; | |
325 | gMC->Gspos("0CER",1,"0PMT",0,0,z,0,"ONLY"); | |
326 | z +=psteel[2]+pcer[2]; | |
327 | gMC->Gspos("0STE",1,"0PMT",0,0,z,0,"ONLY"); | |
328 | ||
329 | //Support absorber (C) side | |
330 | z=-pstart[2]+psupport1[2]+0.1; | |
331 | gMC->Gspos("0SU1",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh snaruzhi | |
332 | gMC->Gspos("0SU2",1,"0STR",0,0,z,0,"ONLY"); //C kozhuh vnutri | |
333 | z=-pstart[2]+psupport3[2]+0.1; | |
334 | gMC->Gspos("0SU3",1,"0STR",0,0,z,0,"ONLY"); //peredniaia kryshka | |
335 | z=-pstart[2]+2.*psupport1[2]-0.05;//+0.1; | |
336 | gMC->Gspos("0SU4",1,"0STR",0,0,z,0,"MANY"); //zadnaiai kryshka | |
337 | gMC->Gspos("0SU6",1,"0INS",0,0,0,0,"ONLY");//C stakanchik dlia feu | |
338 | z=-pinstart[2]+psupport6[2]; | |
339 | gMC->Gspos("0SU7",1,"0INS",0,0,z,0,"ONLY"); //Al kryshechka | |
340 | ||
341 | z=pinstart[2]-psupport7[2]; | |
342 | gMC->Gspos("0SU8",1,"0INS",0,0,z,0,"ONLY"); //Al kolechko | |
343 | ||
344 | ||
345 | Float_t par[3]; | |
346 | par[0]=4.4; | |
347 | par[1]=4.5; | |
348 | par[2]=0.5; | |
349 | gMC->Gsvolu("0SC0","TUBE",idtmed[kC],par,3); | |
350 | z=ppcon[3]+par[2]; | |
351 | gMC->Gspos("0SC0",1,"0SUP",0,0,z,0,"ONLY"); | |
352 | z += par[2]; | |
353 | par[0]=4.4; | |
354 | par[1]=5.1; | |
355 | par[2]=0.05; | |
356 | gMC->Gsvolu("0SC1","TUBE",idtmed[kC],par,3); | |
357 | z += par[2]; | |
358 | gMC->Gspos("0SC1",1,"0SUP",0,0,z,0,"ONLY"); | |
359 | z=z+par[2]; | |
360 | par[0]=4.9; | |
361 | par[1]=5.0; | |
362 | par[2]=6.7/2; | |
363 | gMC->Gsvolu("0SC2","TUBE",idtmed[kC],par,3); | |
364 | z += par[2]; | |
365 | gMC->Gspos("0SC2",1,"0SUP",0,0,z,0,"ONLY"); | |
366 | z += par[2]; | |
367 | ||
368 | par[0]=3.15; | |
369 | par[1]=4.9; | |
370 | par[2]=0.1/2; | |
371 | gMC->Gsvolu("0SA1","TUBE",idtmed[kAl],par,3); | |
372 | ||
373 | z += par[2]; | |
dc7ca31d | 374 | gMC->Gspos("0SA1",1,"0SUP",0,0,z,0,"ONLY"); |
375 | z=z+par[2]; | |
376 | par[0]=3.15; | |
377 | par[1]=3.16; | |
378 | par[2]=4.7/2; | |
dc7ca31d | 379 | gMC->Gsvolu("0SA2","TUBE",idtmed[kAl],par,3); |
380 | z += par[2]; | |
381 | gMC->Gspos("0SA2",1,"0SUP",0,0,z,0,"ONLY"); | |
382 | z=z+par[2]; | |
383 | par[0]=3.16; // eta chast' prikruchena k absorberu | |
384 | par[1]=7.5; | |
385 | par[2]=0.1; | |
dc7ca31d | 386 | gMC->Gsvolu("0SA3","TUBE",idtmed[kAl],par,3); |
387 | z += par[2]; | |
388 | gMC->Gspos("0SA3",1,"0SUP",0,0,z,0,"ONLY"); | |
389 | par[0]=3.16; // gvozdi eta chast' prikruchena k absorberu | |
390 | par[1]=7.5; | |
391 | par[2]=0.01; | |
dc7ca31d | 392 | gMC->Gsvolu("0SN2","TUBE",idtmed[kSteel],par,3); |
393 | gMC->Gspos("0SN2",1,"0SUP",0,0,z,0,"ONLY"); | |
394 | ||
395 | ||
396 | ||
397 | ||
398 | } | |
399 | //------------------------------------------------------------------------ | |
400 | void AliT0v1::AddAlignableVolumes() const | |
401 | { | |
402 | // | |
403 | // Create entries for alignable volumes associating the symbolic volume | |
404 | // name with the corresponding volume path. Needs to be syncronized with | |
405 | // eventual changes in the geometry. | |
406 | // | |
407 | ||
408 | TString volPath; | |
409 | TString symName, sn; | |
410 | ||
411 | TString vpA = "/ALIC_1/0STL_1/0INS_"; | |
412 | TString vpC = "/ALIC_1/0STR_1/0INS_"; | |
413 | TString vpInside = "/0PMT_1/0TOP_1"; | |
414 | ||
dc7ca31d | 415 | for (Int_t imod=0; imod<24; imod++) |
416 | { | |
417 | if (imod < 12) | |
1b070c3c | 418 | {volPath = vpC; sn="T0/C/PMT";} |
419 | else | |
420 | {volPath = vpA; sn="T0/A/PMT";} | |
dc7ca31d | 421 | volPath += imod+1; |
422 | volPath += vpInside; | |
423 | ||
424 | symName = sn; | |
425 | symName += imod+1; | |
426 | ||
427 | AliDebug(2,"--------------------------------------------"); | |
428 | AliDebug(2,Form("Alignable object %d", imod)); | |
429 | AliDebug(2,Form("volPath=%s\n",volPath.Data())); | |
430 | AliDebug(2,Form("symName=%s\n",symName.Data())); | |
431 | AliDebug(2,"--------------------------------------------"); | |
1b070c3c | 432 | if(!gGeoManager->SetAlignableEntry(symName.Data(),volPath.Data())) |
433 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symName.Data(),volPath.Data())); | |
dc7ca31d | 434 | |
435 | } | |
436 | } | |
437 | //------------------------------------------------------------------------ | |
438 | void AliT0v1::CreateMaterials() | |
439 | { | |
440 | Int_t isxfld = gAlice->Field()->Integ(); | |
441 | Float_t sxmgmx = gAlice->Field()->Max(); | |
442 | // Float_t a,z,d,radl,absl,buf[1]; | |
443 | // Int_t nbuf; | |
dc7ca31d | 444 | // AIR |
445 | ||
446 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
447 | Float_t zAir[4]={6.,7.,8.,18.}; | |
448 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
449 | Float_t dAir = 1.20479E-3; | |
450 | ||
451 | // Scintillator CH | |
452 | Float_t ascin[2]={1.01,12.01}; | |
453 | Float_t zscin[2]={1,6}; | |
454 | Float_t wscin[2]={1,1}; | |
455 | Float_t denscin=1.03; | |
456 | //Lucite C(CH3)CO2CH3 | |
457 | Float_t alucite[3]={1.01,12.01,15.999}; | |
458 | Float_t zlucite[3]={1,6,8}; | |
459 | Float_t wlucite[3]={8,5,2}; | |
460 | Float_t denlucite=1.16; | |
461 | // PMT glass SiO2 | |
462 | Float_t aglass[2]={28.0855,15.9994}; | |
463 | Float_t zglass[2]={14.,8.}; | |
464 | Float_t wglass[2]={1.,2.}; | |
465 | Float_t dglass=2.65; | |
466 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 | |
467 | // Float_t wcer[2]={0.972,0.028}; | |
468 | Float_t aCeramic[2] = { 26.981539,15.9994 }; | |
469 | Float_t zCeramic[2] = { 13.,8. }; | |
470 | Float_t wCeramic[2] = { 2.,3. }; | |
471 | Float_t denscer = 3.6; | |
472 | ||
473 | // Brass 80% Cu, 20% Zn | |
474 | Float_t abrass[2] = {63.546,65.39}; | |
475 | Float_t zbrass[2] = {29,30}; | |
476 | Float_t wbrass[2] = {0.8,0.2}; | |
477 | Float_t denbrass=8.96; | |
478 | ||
479 | //Ribber C6H12S | |
480 | Float_t aribber[3] = {12.,1.,32.}; | |
481 | Float_t zribber[3] = {6.,1.,16.}; | |
482 | Float_t wribber[3] = {6.,12.,1.}; | |
483 | Float_t denribber=0.8; | |
484 | // Support inside | |
485 | Float_t asupport[2] = {12.,1.}; | |
486 | Float_t zsupport[2] = {6.,1.}; | |
487 | Float_t wsupport[2] = {1.,1.}; | |
488 | Float_t densupport=0.1; | |
489 | ||
490 | //*** Definition Of avaible T0 materials *** | |
491 | AliMaterial(0, "Steel$", 55.850,26.,7.87,1.76,999); | |
492 | AliMaterial(1, "Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999); | |
493 | AliMixture(2, "Air$", aAir, zAir, dAir,4,wAir); | |
494 | AliMaterial(10, "CarbonPlastic$", 12.01, 6.0, 2.26, 18.8,999); | |
495 | AliMaterial(11, "Aliminium$", 26.98, 13.0, 2.7, 8.9,999); | |
496 | ||
497 | AliMixture( 3, "Ceramic $",aCeramic, zCeramic, denscer, -2, wCeramic); | |
498 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); | |
499 | /* | |
500 | char namate[21]=""; | |
501 | ||
502 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); | |
503 | acer[0]=a; | |
504 | ||
505 | zcer[0]=z; | |
506 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); | |
507 | acer[1]=a; | |
508 | zcer[1]=z; | |
509 | AliMixture( 11, "Ceramic $", acer, zcer, denscer, 2, wcer); | |
510 | */ | |
511 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
512 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); | |
513 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); | |
514 | AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite); | |
515 | AliMixture( 9, "Penoplast$",asupport,zsupport,densupport,-2,wsupport); | |
516 | AliMixture( 21, "PMT Optical glass $",aglass,zglass,dglass,-2,wglass); | |
517 | AliMixture( 24, "PMT Optical glass cathode $",aglass,zglass,dglass,-2,wglass); | |
518 | AliMixture(22, "T0 Opt Air$", aAir, zAir, dAir,4,wAir); | |
519 | AliMixture(23, "T0 Opt Air Next$", aAir, zAir, dAir,4,wAir); | |
520 | ||
521 | AliMedium(1, "T0 Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
522 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
523 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
524 | AliMedium(4, "Ceramic$", 3, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
525 | AliMedium(6, "Glass$", 4, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
526 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
527 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
528 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
529 | AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
530 | AliMedium(13, "CarbonPlastic$", 10, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
531 | AliMedium(14, "PenoPlast$", 9, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
532 | AliMedium(15, "Aluminium$", 11, 0, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
533 | AliMedium(16, "OpticalGlass$", 21, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
534 | AliMedium(17, "T0 OpAir$", 22, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
535 | AliMedium(18, "T0 OpAirNext$", 23, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
536 | AliMedium(19, "OpticalGlassCathode$", 24, 1, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
7235aed2 | 537 | |
538 | AliDebugClass(1,": ++++++++++++++Medium set++++++++++"); | |
539 | ||
540 | ||
541 | } | |
542 | //--------------------------------------------------------------------- | |
543 | void AliT0v1::DrawDetector() | |
544 | { | |
545 | // | |
546 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
547 | // | |
548 | ||
549 | //Set ALIC mother transparent | |
550 | gMC->Gsatt("ALIC","SEEN",0); | |
551 | // | |
552 | //Set volumes visible | |
553 | // gMC->Gsatt("0STR","SEEN",0); | |
554 | // gMC->Gsatt("0INS","SEEN",0); | |
555 | // gMC->Gsatt("0PMT","SEEN",1); | |
556 | // gMC->Gsatt("0DIV","SEEN",1); | |
557 | // | |
558 | gMC->Gdopt("hide","off"); | |
559 | gMC->Gdopt("shad","on"); | |
560 | gMC->SetClipBox("."); | |
561 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
562 | gMC->DefaultRange(); | |
563 | gMC->Gdraw("alic",90,0,0,-35,9.5,.6,0.6); | |
564 | //gMC->Gdraw("alic",0,0,0,10,9.5,.8,0.8); //other side view | |
565 | gMC->Gdhead(1111,"T-Zero detector"); | |
566 | gMC->Gdopt("hide","off"); | |
567 | } | |
dc7ca31d | 568 | |
7235aed2 | 569 | //------------------------------------------------------------------- |
661663fa | 570 | void AliT0v1::DefineOpticalProperties() |
7235aed2 | 571 | { |
661663fa | 572 | // Optical properties definition. |
7235aed2 | 573 | Int_t *idtmed = fIdtmed->GetArray(); |
dc7ca31d | 574 | // Definition Cherenkov parameters |
575 | int i; | |
576 | const Int_t kNbins=31; | |
577 | ||
578 | Float_t rindexSiO2[kNbins], efficAll[kNbins], rindexAir[kNbins], absorAir[kNbins],rindexCathodeNext[kNbins], absorbCathodeNext[kNbins]; | |
579 | ||
580 | // quartz 20mm | |
581 | Float_t aAbsSiO2[kNbins]={29.0, 28.6, 28.3, 27.7, 27.3, 26.7, 26.4, | |
582 | 25.9, 25.3, 24.9, 24.5, 23.7, | |
583 | 23.2, 22.8, 22.4, 21.8, 21.3, | |
584 | 22.8, 22.1, 21.7, 21.2, 20.5, | |
585 | 19.9, 19.3, 18.7, 18.0, 17.1, | |
586 | 16.3, 15.3, 14.3, 14.3 }; | |
587 | ||
588 | Float_t aPckov[kNbins] ={3.87, 3.94, 4.02, 4.11, 4.19, 4.29, 4.38, | |
589 | 4.48, 4.58, 4.69, 4.81, 4.93, | |
590 | 5.05, 5.19, 5.33, 5.48, 5.63, | |
591 | 5.8, 5.97, 6.16, 6.36, 6.57, | |
592 | 6.8, 7.04, 7.3, 7.58, 7.89, | |
593 | 8.22, 8.57, 8.97, 9.39 }; | |
594 | /* | |
595 | Float_t effCathode[kNbins]={0.11, 0.13, 0.15, 0.16, 0.18, 0.19, 0.20, | |
596 | 0.21, 0.22, 0.23, 0.24, 0.26, | |
597 | 0.27, 0.29, 0.30, 0.29, 0.29, | |
598 | 0.28, 0.28, 0.27, 0.26, 0.25, | |
599 | 0.25, 0.23, 0.20, 0.19, 0.17, | |
600 | 0.17, 0.17, 0.2, 0.23}; | |
601 | */ | |
602 | // Float_t aAbsSiO2[kNbins]; //quartz 30mm | |
603 | for(i=0;i<kNbins;i++) | |
604 | { | |
605 | aPckov[i]=aPckov[i]*1e-9;//Photons energy bins 4 eV - 8.5 eV step 0.1 eV | |
606 | rindexAir[i]=0; | |
607 | rindexSiO2[i]=1.458; //refractive index for qwarts | |
608 | rindexCathodeNext[i]=0; | |
609 | efficAll[i]=1.; | |
610 | ||
611 | // aAbsSiO2[i]=28.5; //quartz 30mm | |
612 | absorAir[i]=0.3; | |
613 | absorbCathodeNext[i]=0; | |
614 | ||
615 | } | |
616 | ||
617 | ||
618 | gMC->SetCerenkov (idtmed[kOpGlass], kNbins, aPckov, aAbsSiO2, efficAll, rindexSiO2 ); | |
619 | // gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2, effCathode, rindexSiO2 ); | |
620 | gMC->SetCerenkov (idtmed[kOpGlassCathode], kNbins, aPckov, aAbsSiO2,efficAll , rindexSiO2 ); | |
621 | gMC->SetCerenkov (idtmed[kOpAir], kNbins, aPckov,absorAir , efficAll,rindexAir ); | |
622 | gMC->SetCerenkov (idtmed[kOpAirNext], kNbins, aPckov,absorbCathodeNext , efficAll, rindexCathodeNext); | |
661663fa | 623 | } |
dc7ca31d | 624 | |
661663fa | 625 | //------------------------------------------------------------------- |
626 | void AliT0v1::Init() | |
627 | { | |
628 | // Initialises version 0 of the Forward Multiplicity Detector | |
629 | // | |
630 | AliT0::Init(); | |
631 | fIdSens1=gMC->VolId("0REG"); | |
dc7ca31d | 632 | |
661663fa | 633 | AliDebug(1,Form("%s: *** T0 version 1 initialized ***\n",ClassName())); |
dc7ca31d | 634 | } |
635 | ||
636 | //------------------------------------------------------------------- | |
637 | ||
638 | void AliT0v1::StepManager() | |
639 | { | |
640 | // | |
641 | // Called for every step in the T0 Detector | |
642 | // | |
643 | Int_t id,copy,copy1; | |
644 | static Float_t hits[6]; | |
645 | static Int_t vol[2]; | |
646 | TLorentzVector pos; | |
647 | ||
648 | // TClonesArray &lhits = *fHits; | |
649 | ||
650 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
651 | ||
652 | ||
653 | // If particles is photon then ... | |
654 | ||
655 | if (gMC->TrackPid() == 50000050) | |
656 | { | |
657 | id=gMC->CurrentVolID(copy); | |
658 | ||
659 | ||
660 | // Check the sensetive volume | |
661 | if(id==fIdSens1 ) { | |
662 | if(gMC->IsTrackEntering()) { | |
663 | gMC->CurrentVolOffID(2,copy); | |
664 | vol[1]=copy; | |
665 | gMC->CurrentVolOffID(3,copy1); | |
666 | vol[0]=copy1; | |
667 | gMC->TrackPosition(pos); | |
668 | hits[0] = pos[0]; | |
669 | hits[1] = pos[1]; | |
670 | hits[2] = pos[2]; | |
671 | if(pos[2]<0) vol[0]=2; | |
672 | if(pos[2]>=0) vol[0]=1; | |
673 | ||
674 | Float_t etot=gMC->Etot(); | |
675 | hits[3]=etot; | |
676 | Int_t iPart= gMC->TrackPid(); | |
677 | Int_t partID=gMC->IdFromPDG(iPart); | |
678 | hits[4]=partID; | |
679 | Float_t ttime=gMC->TrackTime(); | |
680 | hits[5]=ttime*1e12; | |
681 | if(RegisterPhotoE(vol[1]-1,hits[3])) | |
682 | AddHit(fIshunt,vol,hits); | |
683 | ||
684 | } | |
685 | // cout<< gAlice->GetMCApp()->GetCurrentTrackNumber()<<" hit added "<<endl; | |
686 | ||
687 | /* | |
688 | printf("track(%i) alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i) \n", | |
689 | gAlice->GetMCApp()->GetCurrentTrackNumber(), | |
690 | gMC->IsTrackAlive(), | |
691 | gMC->IsTrackDisappeared(), | |
692 | gMC->IsTrackEntering(), | |
693 | gMC->IsTrackExiting(), | |
694 | gMC->IsTrackInside(), | |
695 | gMC->IsTrackOut(), | |
696 | gMC->IsTrackStop(), | |
697 | gMC->IsNewTrack()); | |
698 | */ | |
699 | } //sensitive | |
700 | } //photon | |
701 | } | |
702 | ||
703 | ||
704 | ||
705 | //------------------------------------------------------------------------ | |
706 | Bool_t AliT0v1::RegisterPhotoE(Int_t ipmt,Double_t energy) | |
707 | { | |
708 | ||
709 | ||
710 | // Float_t hc=197.326960*1.e6; //mev*nm | |
711 | Double_t hc=1.973*1.e-6; //gev*nm | |
712 | Float_t lambda=hc/energy; | |
713 | Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda); | |
714 | Double_t p = gRandom->Rndm(); | |
715 | ||
716 | if (p > eff) | |
717 | return kFALSE; | |
718 | ||
719 | return kTRUE; | |
720 | } | |
721 | ||
722 | //---------------------------------------------------------------------------- | |
723 | ||
724 | ||
725 | ||
726 | ||
727 | ||
728 |