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4c039060 | 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 | **************************************************************************/ | |
88cb7938 | 15 | |
16 | /* $Id$ */ | |
17 | ||
d28dcc0d | 18 | ///////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Forward Multiplicity detector based on Silicon version 0 // | |
21 | // | |
22 | //Begin Html | |
fe4da5cc | 23 | /* |
d28dcc0d | 24 | <img src="gif/AliFMDv0Class.gif"> |
fe4da5cc | 25 | */ |
d28dcc0d | 26 | //End Html |
27 | // // | |
28 | // // | |
29 | ////////////////////////////////////////////////////////////////////// | |
fe4da5cc | 30 | |
88cb7938 | 31 | #include <Riostream.h> |
32 | #include <stdlib.h> | |
33 | ||
d28dcc0d | 34 | #include <TGeometry.h> |
88cb7938 | 35 | #include <TLorentzVector.h> |
36 | #include <TMath.h> | |
d28dcc0d | 37 | #include <TNode.h> |
88cb7938 | 38 | #include <TTUBE.h> |
d28dcc0d | 39 | #include <TLorentzVector.h> |
88cb7938 | 40 | |
fe4da5cc | 41 | #include "AliFMDv0.h" |
94de3818 | 42 | #include "AliMagF.h" |
88cb7938 | 43 | #include "AliRndm.h" |
44 | #include "AliRun.h" | |
d28dcc0d | 45 | #include "AliFMDhit.h" |
94de3818 | 46 | |
fe4da5cc | 47 | ClassImp(AliFMDv0) |
d28dcc0d | 48 | |
49 | //-------------------------------------------------------------------- | |
50 | AliFMDv0::AliFMDv0(const char *name, const char *title): | |
51 | AliFMD(name,title) | |
fe4da5cc | 52 | { |
53 | // | |
d28dcc0d | 54 | // Standart constructor for Forward Multiplicity Detector version 0 |
fe4da5cc | 55 | // |
d28dcc0d | 56 | fIdSens1=0; |
37c55dc0 | 57 | fIdSens2=0; |
58 | fIdSens3=0; | |
59 | fIdSens4=0; | |
60 | fIdSens5=0; | |
d28dcc0d | 61 | // setBufferSize(128000); |
fe4da5cc | 62 | } |
d28dcc0d | 63 | //------------------------------------------------------------------------- |
37c55dc0 | 64 | |
fe4da5cc | 65 | void AliFMDv0::CreateGeometry() |
66 | { | |
46501dfb | 67 | // |
d28dcc0d | 68 | // Create the geometry of Forward Multiplicity Detector version 0 |
46501dfb | 69 | // |
70 | //Detector consists of 6 volumes: | |
71 | // 1st covered pseudorapidity interval from 3.3 to 2.0 | |
72 | // and placed on 65cm in Z-direction; | |
73 | // 2nd - from 2.0 to 1.6 and Z=85 cm; | |
d28dcc0d | 74 | // 3d - the same pseudorapidity interval as the 1st |
46501dfb | 75 | // but on the other side from the interaction point z=-65cm; |
d28dcc0d | 76 | // 4th - simmetricaly with the 2nd : |
46501dfb | 77 | // pseudorapidity from 2.0 to 1.6, Z=-85cm |
78 | // 5th - from 3.6 to 4.7, Z=-270cm | |
79 | // 6th - from 4.5 to 5.5 , Z=-630cm. | |
80 | // Each part has 400mkm Si (sensetive area, detector itself), | |
d28dcc0d | 81 | // 0.75cm of plastic simulated electronics material, |
82 | // Al support ring 2cm thickness and 1cm width placed on | |
83 | // the outer radius of each Si disk; | |
46501dfb | 84 | // |
d28dcc0d | 85 | // begin Html |
fe4da5cc | 86 | /* |
d28dcc0d | 87 | <img src="gif/AliFMDv0.gif"> |
37c55dc0 | 88 | */ |
d28dcc0d | 89 | // |
90 | ||
46501dfb | 91 | |
92 | ||
d28dcc0d | 93 | Int_t *idtmed = fIdtmed->GetArray(); |
46501dfb | 94 | |
d28dcc0d | 95 | Int_t ifmd; |
96 | Int_t idrotm[999]; | |
46501dfb | 97 | Float_t zFMD,par[3],ppcon[15]; |
98 | Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.}; | |
99 | Float_t NylonTube[3]={0.2,0.6,0.45}; | |
100 | Float_t zPCB=0.12; Float_t zHoneyComb=0.5; | |
101 | Float_t zSi=0.03; | |
102 | ||
103 | char nameFMD[5], nameSi[5], nameSector[5], nameRing[5]; | |
104 | Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5]; | |
105 | Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5]; | |
106 | Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];; | |
107 | Float_t rin[5]={4.2,15.4,4.2,15.4,4.2}; | |
108 | Float_t rout[5]={17.4,28.4,17.4,28.4,17.4}; | |
109 | Float_t RinHoneyComb[5] ={ 5.15,16.4, 5.15,16.4, 5.15}; | |
110 | Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63}; | |
111 | Float_t zInside; | |
112 | Float_t zCooper=0.01; Float_t zChips=0.01; | |
113 | Float_t yNylonTube[5]={10,20,10,20,10}; | |
37c55dc0 | 114 | |
d28dcc0d | 115 | |
116 | AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0); | |
46501dfb | 117 | |
118 | ||
119 | // Nylon tubes | |
120 | gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3); //support nylon tube | |
121 | Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb; | |
122 | cout<<" wideSupport "<<wideSupport<<endl; | |
d28dcc0d | 123 | |
46501dfb | 124 | for (ifmd=0; ifmd<5; ifmd++) |
125 | { | |
126 | sprintf(nameFMD,"FMD%d",ifmd+1); | |
127 | ppcon[0]=0; | |
128 | ppcon[1]=360; | |
129 | ppcon[2]=4; | |
130 | ||
131 | ppcon[3]=-wideSupport; | |
132 | ppcon[4]=rin[ifmd]+0.1; | |
133 | ppcon[5]=rout[ifmd]+0.1; | |
134 | ||
135 | ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2]; | |
136 | ppcon[7]=rin[ifmd]+0.1; | |
137 | ppcon[8]=rout[ifmd]+0.1; | |
138 | ||
139 | ppcon[9]=ppcon[6]; | |
140 | ppcon[10]=RinHoneyComb[ifmd]+0.1; | |
141 | ppcon[11]=RoutHoneyComb[ifmd]+0.1; | |
d28dcc0d | 142 | |
46501dfb | 143 | ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB; |
144 | ppcon[13]=RinHoneyComb[ifmd]+0.1; | |
145 | ppcon[14]=RoutHoneyComb[ifmd]+0.1; | |
146 | gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15); | |
147 | if (z[ifmd] >0){ | |
148 | zFMD=z[ifmd]+wideSupport; | |
149 | gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,0, "ONLY");} | |
150 | else { | |
151 | zFMD=z[ifmd]-wideSupport; | |
152 | gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,idrotm[901], "ONLY");} | |
153 | //silicon | |
154 | sprintf(nameSi,"GSI%d",ifmd+1); | |
155 | sprintf(nameSector,"GSC%d",ifmd+1); | |
156 | sprintf(nameRing,"GRN%d",ifmd+1); | |
157 | ||
158 | //honeycomb support | |
159 | sprintf(nameHoney,"GSU%d",ifmd+1); | |
160 | gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0); //honeycomb | |
161 | sprintf(nameHoneyIn,"GHI%d",ifmd+1); | |
162 | gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0); //honey comb inside | |
163 | sprintf(nameHoneyOut,"GHO%d",ifmd+1); | |
164 | gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0); //honey comb skin | |
165 | //PCB | |
166 | sprintf(namePCB,"GPC%d",ifmd+1); | |
167 | gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB | |
168 | sprintf(nameCopper,"GCO%d",ifmd+1); | |
169 | gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0); // Cooper | |
170 | sprintf(nameChips,"GCH%d",ifmd+1); | |
171 | gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips | |
172 | sprintf(nameG10,"G10%d",ifmd+1); | |
173 | gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0); //G10 plate | |
174 | //last PCB | |
175 | sprintf(nameLPCB,"GPL%d",ifmd+1); | |
176 | gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB | |
177 | sprintf(nameLCopper,"GCL%d",ifmd+1); | |
178 | gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0); // Cooper | |
179 | sprintf(nameLChips,"GHL%d",ifmd+1); | |
180 | gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips | |
181 | sprintf(nameGL10,"G1L%d",ifmd+1); | |
182 | gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); // Last G10 | |
183 | par[0]=rin[ifmd]; // pipe size | |
184 | par[1]=rout[ifmd]; | |
185 | par[2]=zSi/2; | |
186 | gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3); | |
187 | zInside=ppcon[3]+par[2]; | |
188 | gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY"); | |
189 | //PCB 1 | |
190 | zInside += par[2]+zPCB/2; | |
191 | par[2]=zPCB/2; | |
192 | gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
193 | zInside += zPCB; | |
194 | gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
195 | Float_t NulonTubeBegin=zInside+2.5*zPCB; | |
196 | par[2]=zPCB/2-0.02; | |
197 | Float_t zInPCB = -zPCB/2+par[2]; | |
198 | gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
199 | zInPCB+=par[2]+zCooper/2 ; | |
200 | par[2]=zCooper/2; | |
201 | gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
202 | zInPCB += zCooper/2 + zChips/2; | |
203 | par[2]=zChips/2; | |
204 | gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
205 | //HoneyComb | |
206 | zHoneyComb=0.8; | |
207 | par[0] = RinHoneyComb[ifmd]; | |
208 | par[1] = RoutHoneyComb[ifmd]; | |
209 | par[2] = zHoneyComb/2; | |
210 | zInside += 2*NylonTube[2]+par[2]; | |
211 | gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
212 | par[2]=0.1/2; | |
213 | Float_t zHoney=-zHoneyComb/2+par[2]; | |
214 | gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0, | |
215 | "ONLY",par,3); //shkurki | |
216 | zHoney=zHoneyComb/2-par[2]; | |
217 | gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3); | |
218 | par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri | |
219 | gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3); | |
220 | ||
221 | gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd], | |
222 | NulonTubeBegin+NylonTube[2]/2.,0, "ONLY"); | |
223 | gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd], | |
224 | NulonTubeBegin+NylonTube[2]/2.,0, "ONLY"); | |
225 | ||
226 | //last PCB | |
227 | par[0]=RoutHoneyComb[ifmd]-9; | |
228 | par[1]=RoutHoneyComb[ifmd]; | |
229 | par[2]=zPCB/2; | |
230 | zInside += zHoneyComb/2+par[2]; | |
231 | gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
232 | ||
233 | par[2]=zPCB/2-0.02; | |
234 | zInPCB = -zPCB/2+par[2]; | |
235 | gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
236 | zInPCB+=par[2]+zCooper/2 ; | |
237 | par[2]=zCooper/2; | |
238 | gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
239 | zInPCB += zCooper/2 + zChips/2; | |
240 | par[2]=zChips/2; | |
241 | gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
242 | ||
243 | ||
a39f3926 | 244 | //Granularity |
46501dfb | 245 | fSectorsSi1=20; |
246 | fRingsSi1=256*2; | |
247 | // fRingsSi1=3; // for drawing only | |
248 | fSectorsSi2=40; | |
249 | fRingsSi2=128*2; | |
250 | // fRingsSi2=3; //for drawing onl | |
a39f3926 | 251 | if(ifmd==1||ifmd==3) |
37c55dc0 | 252 | { |
46501dfb | 253 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2); |
254 | gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1); | |
37c55dc0 | 255 | } |
256 | else | |
257 | { | |
46501dfb | 258 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2); |
259 | gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1); | |
37c55dc0 | 260 | } |
46501dfb | 261 | |
262 | } | |
d28dcc0d | 263 | } |
37c55dc0 | 264 | |
265 | ||
d28dcc0d | 266 | //------------------------------------------------------------------------ |
46501dfb | 267 | void AliFMDv0::CreateMaterials() |
d28dcc0d | 268 | { |
269 | Int_t isxfld = gAlice->Field()->Integ(); | |
270 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 271 | |
d28dcc0d | 272 | // Plastic CH |
273 | Float_t aPlastic[2]={1.01,12.01}; | |
274 | Float_t zPlastic[2]={1,6}; | |
275 | Float_t wPlastic[2]={1,1}; | |
276 | Float_t denPlastic=1.03; | |
277 | // | |
46501dfb | 278 | // 60% SiO2 , 40% G10FR4 |
279 | // PC board | |
280 | Float_t apcb[3] = { 28.0855,15.9994,17.749 }; | |
281 | Float_t zpcb[3] = { 14.,8.,8.875 }; | |
282 | Float_t wpcb[3] = { .28,.32,.4 }; | |
283 | Float_t denspcb = 1.8; | |
284 | // | |
d28dcc0d | 285 | //*** Definition Of avaible FMD materials *** |
46501dfb | 286 | AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); |
287 | AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic); | |
288 | AliMixture(2, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb); | |
289 | AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.); | |
290 | AliMaterial(4, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.); | |
291 | AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.); | |
292 | AliMaterial(6, "SSD C$", 12.011, 6., 2.265,18.8, 999.); | |
293 | AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb | |
294 | AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.); | |
295 | ||
fe4da5cc | 296 | |
d28dcc0d | 297 | //** |
46501dfb | 298 | AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); |
299 | AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
300 | AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
301 | AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
302 | AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
303 | AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
304 | AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
305 | AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
306 | AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
d28dcc0d | 307 | |
308 | ||
309 | ||
310 | } | |
311 | //--------------------------------------------------------------------- | |
312 | void AliFMDv0::DrawDetector() | |
fe4da5cc | 313 | { |
d28dcc0d | 314 | // |
315 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
316 | // | |
fe4da5cc | 317 | |
d28dcc0d | 318 | |
319 | //Set ALIC mother transparent | |
5d02ea6f | 320 | gMC->Gsatt("ALIC","SEEN",0); |
d28dcc0d | 321 | // |
322 | //Set volumes visible | |
323 | gMC->Gsatt("FMD0","SEEN",1); | |
324 | gMC->Gsatt("FMD1","SEEN",1); | |
325 | gMC->Gsatt("FMD2","SEEN",1); | |
326 | gMC->Gsatt("FMD3","SEEN",1); | |
327 | gMC->Gsatt("FMD4","SEEN",1); | |
328 | gMC->Gsatt("FMD5","SEEN",1); | |
329 | ||
330 | // | |
331 | gMC->Gdopt("hide","on"); | |
332 | gMC->Gdopt("shad","on"); | |
333 | gMC->SetClipBox("."); | |
334 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
335 | gMC->DefaultRange(); | |
336 | gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2); | |
337 | gMC->Gdhead(1111,"Forward multiplicity detector"); | |
338 | gMC->Gdopt("hide","off"); | |
339 | } | |
340 | //------------------------------------------------------------------- | |
341 | void AliFMDv0::Init() | |
342 | { | |
343 | // Initialises version 0 of the Forward Multiplicity Detector | |
344 | // | |
d28dcc0d | 345 | AliFMD::Init(); |
37c55dc0 | 346 | fIdSens1=gMC->VolId("GRN1"); |
347 | fIdSens2=gMC->VolId("GRN2"); | |
348 | fIdSens3=gMC->VolId("GRN3"); | |
349 | fIdSens4=gMC->VolId("GRN4"); | |
350 | fIdSens5=gMC->VolId("GRN5"); | |
0422d7f8 | 351 | if (fDebug) printf("*** FMD version 0 initialized ***\n"); |
fe4da5cc | 352 | } |
353 | ||
d28dcc0d | 354 | //------------------------------------------------------------------- |
355 | ||
356 | void AliFMDv0::StepManager() | |
fe4da5cc | 357 | { |
358 | // | |
d28dcc0d | 359 | // Called for every step in the Forward Multiplicity Detector |
fe4da5cc | 360 | // |
37c55dc0 | 361 | } |
fe4da5cc | 362 |