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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 | /* | |
17 | $Log$ | |
18 | Revision 1.12 2001/04/25 14:09:34 alla | |
19 | Curent bur fixed | |
20 | ||
21 | Revision 1.11 2001/04/04 12:10:18 alla | |
22 | changes according Coding Convension | |
23 | ||
24 | Revision 1.10 2000/12/04 08:48:19 alibrary | |
25 | Fixing problems in the HEAD | |
26 | ||
27 | Revision 1.9 2000/10/02 21:28:13 fca | |
28 | Removal of useless dependecies via forward declarations | |
29 | ||
30 | Revision 1.8 2000/07/13 16:41:29 fca | |
31 | New START corrected for coding conventions | |
32 | ||
33 | Revision 1.7 2000/01/21 15:45:23 fca | |
34 | New Version from Alla | |
35 | ||
36 | Revision 1.6 1999/11/12 15:04:00 fca | |
37 | Modifications from A.Maevskaya | |
38 | ||
39 | Revision 1.5 1999/09/29 09:24:29 fca | |
40 | Introduction of the Copyright and cvs Log | |
41 | ||
42 | */ | |
43 | ||
44 | ///////////////////////////////////////////////////////////////////// | |
45 | // // | |
46 | // START ( T-zero) detector version 0 // | |
47 | // | |
48 | //Begin Html | |
49 | /* | |
50 | <img src="gif/AliSTARTv0Class.gif"> | |
51 | */ | |
52 | //End Html | |
53 | // // | |
54 | // // | |
55 | ////////////////////////////////////////////////////////////////////// | |
56 | ||
57 | #include <TMath.h> | |
58 | #include <TGeometry.h> | |
59 | #include <TTUBE.h> | |
60 | #include <TNode.h> | |
61 | #include <TLorentzVector.h> | |
62 | ||
63 | #include "AliSTARTv0.h" | |
64 | #include "AliRun.h" | |
65 | #include "AliMC.h" | |
66 | #include "AliMagF.h" | |
67 | #include "AliSTARThit.h" | |
68 | ||
69 | #include <iostream.h> | |
70 | #include <fstream.h> | |
71 | ||
72 | //#include "TGeant3.h" | |
73 | #include <stdlib.h> | |
74 | ||
75 | ClassImp(AliSTARTv0) | |
76 | ||
77 | //-------------------------------------------------------------------- | |
78 | AliSTARTv0::AliSTARTv0(const char *name, const char *title): | |
79 | AliSTART(name,title) | |
80 | { | |
81 | // | |
82 | // Standart constructor for START Detector version 0 | |
83 | // | |
84 | fIdSens1=0; | |
85 | // setBufferSize(128000); | |
86 | } | |
87 | //------------------------------------------------------------------------- | |
88 | void AliSTARTv0::CreateGeometry() | |
89 | { | |
90 | // | |
91 | // Create the geometry of START Detector version 0 | |
92 | // | |
93 | // begin Html | |
94 | /* | |
95 | <img src="gif/AliSTARTv0.gif"> | |
96 | */ | |
97 | // | |
98 | ||
99 | ||
100 | Int_t *idtmed = fIdtmed->GetArray(); | |
101 | ||
102 | Int_t is; | |
103 | Int_t idrotm[999]; | |
104 | Float_t x,y,z; | |
105 | ||
106 | Float_t pstart[3]={4.5,10.7,5.3}; | |
107 | Float_t pinstart[3]={0.,1.3,5.25}; | |
108 | Float_t ppmt[3]={0.,1.3,3.5}; | |
109 | Float_t pdivider[3]={0.,1.2,1.75}; | |
110 | Float_t pdiv2[3]={0.,1.2,1.25}; | |
111 | Float_t pdiv1[3]={0.6,1.2,0.5}; | |
112 | Float_t ptop[3]={0.,1.3,1.5}; | |
113 | Float_t pbot[3]={0.6,1.2,0.1}; | |
114 | Float_t pglass[3]={1.2,1.3,2.}; | |
115 | Float_t pcer[3]={0.9,1.1,0.09}; | |
116 | Float_t psteel[3]={0.9,1.1,0.01}; | |
117 | Float_t ppins[3]={0.6,1.2,0.014}; | |
118 | Float_t phole[3]={0.6,1.2,0.015}; | |
119 | Float_t pknob[3]={0.5,0.6,0.4}; | |
120 | Float_t pknob_vac[3]={0.,0.5,0.4}; | |
121 | Float_t pknob_bot[3]={0.,0.6,0.05}; | |
122 | Float_t pribber[3] = {0.,1.2,2.413/2.}; | |
123 | Float_t presist[3] = {0.,1.2,0.087/2.}; | |
124 | ||
125 | Float_t zdetRight=69.7,zdetLeft=350; | |
126 | //------------------------------------------------------------------- | |
127 | // START volume | |
128 | //------------------------------------------------------------------- | |
129 | ||
130 | // Float_t theta=TMath::ATan(6.5/zdet); | |
131 | Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight); | |
132 | Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft); | |
133 | AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.); | |
134 | ||
135 | gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3); | |
136 | gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3); | |
137 | gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY"); | |
138 | gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY"); | |
139 | ||
140 | //START interior | |
141 | gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3); | |
142 | gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3); | |
143 | gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3); | |
144 | ||
145 | // first ring: 12 units of Scintillator+PMT+divider | |
146 | Double_t dang1 = 2*TMath::Pi()/12; | |
147 | for (is=1; is<=12; is++) | |
148 | { | |
149 | AliMatrix(idrotm[901+is], | |
150 | 90.-thetaRight, 30.*is, | |
151 | 90., 90.+30.*is, | |
152 | thetaRight, 180.+30.*is); | |
153 | x=6.5*TMath::Sin(is*dang1); | |
154 | y=6.5*TMath::Cos(is*dang1); | |
155 | z=-pstart[2]+pinstart[2]; | |
156 | gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY"); | |
157 | ||
158 | } | |
159 | for (is=1; is<=12; is++) | |
160 | { | |
161 | AliMatrix(idrotm[901+is], | |
162 | 90.-thetaLeft, 30.*is, | |
163 | 90., 90.+30.*is, | |
164 | thetaLeft, 180.+30.*is); | |
165 | ||
166 | x=6.5*TMath::Sin(is*dang1); | |
167 | y=6.5*TMath::Cos(is*dang1); | |
168 | z=-pstart[2]+pinstart[2]; | |
169 | gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY"); | |
170 | ||
171 | } | |
172 | x=0; | |
173 | y=0; | |
174 | z=-pinstart[2]+ppmt[2]; | |
175 | if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z); | |
176 | gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY"); | |
177 | z=pinstart[2]-pdivider[2]; | |
178 | gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY"); | |
179 | ||
180 | /* | |
181 | //second ring: 20 units of Scintillator+PMT+divider | |
182 | Double_t dang2 = 2*TMath::Pi()/26; | |
183 | Double_t dang3 = 2*TMath::Pi()/20; | |
184 | for (is=14; is<=33;is++) | |
185 | { | |
186 | x=9.3*TMath::Sin(dang2+(is-13)*dang3); | |
187 | y=9.3*TMath::Cos(dang2+(is-13)*dang3); | |
188 | z=-pstart[2]+ppmt[2]; | |
189 | gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY"); | |
190 | z=z+ppmt[2]+pdiv2[2]; | |
191 | gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY"); | |
192 | } | |
193 | */ | |
194 | // PMT | |
195 | ||
196 | // Entry window (glass) | |
197 | // gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3); | |
198 | gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite | |
199 | z=-ppmt[2]+ptop[2]; | |
200 | gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY"); | |
201 | // printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]); | |
202 | ||
203 | // Bottom glass | |
204 | gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3); | |
205 | z=ppmt[2]-pbot[2]; | |
206 | if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z); | |
207 | gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY"); | |
208 | // Side cylinder glass | |
209 | gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3); | |
210 | z=ppmt[2]-pglass[2]; | |
211 | // printf("Z glass %f\n",z); | |
212 | gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY"); | |
213 | //PMT electrodes support structure | |
214 | gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3); | |
215 | gMC->Gsvolu("0STE","TUBE",idtmed[8],psteel,3); | |
216 | z=-ppmt[2]+2*ptop[2]+0.3;; | |
217 | // printf("Z Cer 1 %f\n",z); | |
218 | for (is=1; is<=15; is++) | |
219 | { | |
220 | z=z+psteel[2]+pcer[2]; | |
221 | gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY"); | |
222 | z=z+psteel[2]+pcer[2]; | |
223 | gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY"); | |
224 | } | |
225 | ||
226 | // Divider | |
227 | // Knob at the bottom of PMT baloon | |
228 | ||
229 | gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3); | |
230 | z=-pdivider[2]+pknob[2]; | |
231 | // printf("zknob %f\n",z); | |
232 | gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY"); | |
233 | gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3); | |
234 | z=-pdivider[2]+2*pknob[2]+pknob_bot[2]; | |
235 | // printf(knobbot %f\n",z); | |
236 | gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY"); | |
237 | gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3); | |
238 | z=-pdivider[2]+pknob_vac[2]; | |
239 | // printf("knobvac %f\n",z); | |
240 | gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY"); | |
241 | //Steel pins + pin holes | |
242 | gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3); | |
243 | z=-pdivider[2]+ppins[2]; | |
244 | gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY"); | |
245 | gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3); | |
246 | z=-pdivider[2]+2*ppins[2]+phole[2]; | |
247 | gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY"); | |
248 | ||
249 | //Socket | |
250 | gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3); | |
251 | z=-pdivider[2]+pdiv1[2]; | |
252 | gMC->Gspos("0V1",1,"0DIV",0,0,z,0,"ONLY"); | |
253 | //Resistors | |
254 | gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3); | |
255 | z=pdivider[2]-pdiv2[2]; | |
256 | gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY"); | |
257 | gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3); | |
258 | z=-pdiv2[2]+presist[2]; | |
259 | gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY"); | |
260 | gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3); | |
261 | z=pdiv2[2]-pribber[2]; | |
262 | gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY"); | |
263 | // printf("z DRIB %f\n",z); | |
264 | ||
265 | ||
266 | } | |
267 | ||
268 | ||
269 | ||
270 | ||
271 | //------------------------------------------------------------------------ | |
272 | void AliSTARTv0::CreateMaterials() | |
273 | { | |
274 | Int_t isxfld = gAlice->Field()->Integ(); | |
275 | Float_t sxmgmx = gAlice->Field()->Max(); | |
276 | Float_t a,z,d,radl,absl,buf[1]; | |
277 | Int_t nbuf; | |
278 | ||
279 | // Scintillator CH | |
280 | Float_t ascin[2]={1.01,12.01}; | |
281 | Float_t zscin[2]={1,6}; | |
282 | Float_t wscin[2]={1,1}; | |
283 | Float_t denscin=1.03; | |
284 | // PMT glass SiO2 | |
285 | Float_t aglass[2]={28.0855,15.9994}; | |
286 | Float_t zglass[2]={14.,8.}; | |
287 | Float_t wglass[2]={1.,2.}; | |
288 | Float_t dglass=2.65; | |
289 | // Ceramic 97.2% Al2O3 , 2.8% SiO2 | |
290 | Float_t acer[2],zcer[2],wcer[2]={0.972,0.028}; | |
291 | Float_t aal2o3[2] = { 26.981539,15.9994 }; | |
292 | Float_t zal2o3[2] = { 13.,8. }; | |
293 | Float_t wal2o3[2] = { 2.,3. }; | |
294 | Float_t denscer = 3.6; | |
295 | ||
296 | // Brass 80% Cu, 20% Zn | |
297 | Float_t abrass[2] = {63.546,65.39}; | |
298 | Float_t zbrass[2] = {29,30}; | |
299 | Float_t wbrass[2] = {0.8,0.2}; | |
300 | Float_t denbrass=8.96; | |
301 | ||
302 | //Ribber C6H12S | |
303 | Float_t aribber[3] = {12.,1.,32.}; | |
304 | Float_t zribber[3] = {6.,1.,16.}; | |
305 | Float_t wribber[3] = {6.,12.,1.}; | |
306 | Float_t denribber=0.8; | |
307 | /* | |
308 | // Definition Cherenkov parameters | |
309 | Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 }; | |
310 | Float_t rindex_quarz[14] = { 1.528309,1.533333, | |
311 | 1.538243,1.544223,1.550568,1.55777, | |
312 | 1.565463,1.574765,1.584831,1.597027, | |
313 | 1.611858,1.6277,1.6472,1.6724 }; | |
314 | ||
315 | Float_t absco_quarz[14] = { 20.126,16.27,13.49,11.728,9.224,8.38,7.44,7.17, | |
316 | 6.324,4.483,1.6,.323,.073,0. }; | |
317 | */ | |
318 | // Int_t *idtmed = fIdtmed->GetArray()-999; | |
319 | ||
320 | // TGeant3 *geant3 = (TGeant3*) gMC; | |
321 | ||
322 | //*** Definition Of avaible START materials *** | |
323 | AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999); | |
324 | AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999); | |
325 | AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999); | |
326 | ||
327 | AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wal2o3); | |
328 | AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass); | |
329 | char namate[21]; | |
330 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); | |
331 | acer[0]=a; | |
332 | zcer[0]=z; | |
333 | gMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf); | |
334 | acer[1]=a; | |
335 | zcer[1]=z; | |
336 | ||
337 | AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer); | |
338 | AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin); | |
339 | AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass); | |
340 | ||
341 | AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber); | |
342 | ||
343 | ||
344 | AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003); | |
345 | AliMedium(2, "Scintillator$", 5, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
346 | AliMedium(3, "Vacuum$", 1, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
347 | AliMedium(4, "Ceramic$", 9, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
348 | AliMedium(6, "Glass$", 4, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
349 | AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
350 | AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
351 | AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003); | |
352 | ||
353 | // geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz); | |
354 | ||
355 | } | |
356 | //--------------------------------------------------------------------- | |
357 | void AliSTARTv0::DrawModule() | |
358 | { | |
359 | // | |
360 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
361 | // | |
362 | ||
363 | //Set ALIC mother transparent | |
364 | gMC->Gsatt("ALIC","SEEN",0); | |
365 | // | |
366 | //Set volumes visible | |
367 | gMC->Gsatt("0STA","SEEN",0); | |
368 | gMC->Gsatt("0PMT","SEEN",1); | |
369 | gMC->Gsatt("0DIV","SEEN",1); | |
370 | // | |
371 | gMC->Gdopt("hide","on"); | |
372 | gMC->Gdopt("shad","on"); | |
373 | gMC->SetClipBox("."); | |
374 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
375 | gMC->DefaultRange(); | |
376 | gMC->Gdraw("alic",40,30,0,12,9.5,.7,0.7); | |
377 | gMC->Gdhead(1111,"T-Zero detector"); | |
378 | gMC->Gdopt("hide","off"); | |
379 | } | |
380 | ||
381 | //------------------------------------------------------------------- | |
382 | void AliSTARTv0::Init() | |
383 | { | |
384 | // Initialises version 0 of the Forward Multiplicity Detector | |
385 | // | |
386 | //Int_t *idtmed = gAlice->Idtmed(); | |
387 | AliSTART::Init(); | |
388 | fIdSens1=gMC->VolId("0TOP"); | |
389 | printf("*** START version 0 initialized ***\n"); | |
390 | ||
391 | } | |
392 | ||
393 | //------------------------------------------------------------------- | |
394 | ||
395 | void AliSTARTv0::StepManager() | |
396 | { | |
397 | // | |
398 | // Called for every step in the START Detector | |
399 | // See AliSTARTv1 | |
400 | ||
401 | } | |
402 | //--------------------------------------------------------------------- | |
403 | ||
404 | ||
405 | ||
406 | ||
407 | ||
408 | ||
409 | ||
410 | ||
411 | ||
412 |