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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 | // Forward Multiplicity detector based on Silicon version 0 // | |
18 | // | |
19 | //Begin Html | |
20 | /* | |
21 | <img src="gif/AliFMDv0Class.gif"> | |
22 | */ | |
23 | //End Html | |
24 | // // | |
25 | // // | |
26 | ////////////////////////////////////////////////////////////////////// | |
27 | #include <TMath.h> | |
28 | #include <TGeometry.h> | |
29 | #include <TTUBE.h> | |
30 | #include <TFile.h> | |
31 | #include <TTree.h> | |
32 | #include <TNode.h> | |
33 | #include <TClonesArray.h> | |
34 | #include <TLorentzVector.h> | |
35 | #include <TDirectory.h> | |
36 | #include "AliFMDv2.h" | |
37 | #include "AliFMDv0.h" | |
38 | #include "AliRun.h" | |
39 | #include <Riostream.h> | |
40 | #include "AliMagF.h" | |
41 | #include "AliFMDhit.h" | |
42 | #include "AliFMDdigit.h" | |
43 | #include <stdlib.h> | |
44 | ||
45 | ClassImp(AliFMDv2) | |
46 | ||
47 | //-------------------------------------------------------------------- | |
48 | AliFMDv2::AliFMDv2(const char *name, const char *title): | |
49 | AliFMD(name,title) | |
50 | { | |
51 | // | |
52 | // Standart constructor for Forward Multiplicity Detector version 0 | |
53 | // | |
54 | fIdSens1=0; | |
55 | fIdSens2=0; | |
56 | fIdSens3=0; | |
57 | fIdSens4=0; | |
58 | fIdSens5=0; | |
59 | // setBufferSize(128000); | |
60 | } | |
61 | //------------------------------------------------------------------------- | |
62 | void AliFMDv2::CreateGeometry() | |
63 | { | |
64 | // | |
65 | // Create the geometry of Forward Multiplicity Detector version 0 | |
66 | // | |
67 | //Detector consists of 6 volumes: | |
68 | // 1st covered pseudorapidity interval from 3.3 to 2.0 | |
69 | // and placed on 65cm in Z-direction; | |
70 | // 2nd - from 2.0 to 1.6 and Z=85 cm; | |
71 | // 3d - the same pseudorapidity interval as the 1st | |
72 | // but on the other side from the interaction point z=-65cm; | |
73 | // 4th - simmetricaly with the 2nd : | |
74 | // pseudorapidity from 2.0 to 1.6, Z=-85cm | |
75 | // 5th - from 3.6 to 4.7, Z=-270cm | |
76 | // 6th - from 4.5 to 5.5 , Z=-630cm. | |
77 | // Each part has 400mkm Si (sensetive area, detector itself), | |
78 | // 0.75cm of plastic simulated electronics material, | |
79 | // Al support ring 2cm thickness and 1cm width placed on | |
80 | // the outer radius of each Si disk; | |
81 | // | |
82 | // begin Html | |
83 | /* | |
84 | <img src="gif/AliFMDv0.gif"> | |
85 | */ | |
86 | // | |
87 | ||
88 | Int_t *idtmed = fIdtmed->GetArray(); | |
89 | ||
90 | Int_t ifmd; | |
91 | Int_t idrotm[999]; | |
92 | Float_t zFMD,par[3],ppcon[5]; | |
93 | //ppcon1[15],ppcon2[15],ppcon3[15],ppcon4[15],ppcon5[15]; | |
94 | Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.}; | |
95 | Float_t NylonTube[3]={0.2,0.6,0.45}; | |
96 | Float_t zPCB=0.12; Float_t zHoneyComb=0.5; | |
97 | Float_t zSi=0.03; | |
98 | ||
99 | //------------------------------------------------------------------- | |
100 | // FMD | |
101 | //------------------------------------------------------------------ | |
102 | // cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl; | |
103 | ||
104 | ||
105 | char nameFMD[5], nameSi[5], nameSector[5], nameRing[5]; | |
106 | Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5]; | |
107 | Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5]; | |
108 | Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];; | |
109 | Float_t rin[5]={4.2,15.4,4.2,15.4,4.2}; | |
110 | Float_t rout[5]={17.4,28.4,17.4,28.4,17.4}; | |
111 | Float_t RinHoneyComb[5] ={ 5.15,16.4, 5.15,16.4, 5.15}; | |
112 | Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63}; | |
113 | Float_t zInside; | |
114 | Float_t zCooper=0.01; Float_t zChips=0.01; | |
115 | Float_t yNylonTube[5]={10,20,10,20,10}; | |
116 | ||
117 | ||
118 | AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0); | |
119 | ||
120 | ||
121 | // Nylon tubes | |
122 | gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3); //support nylon tube | |
123 | Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb; | |
124 | // cout<<" wideSupport "<<wideSupport<<endl; | |
125 | ||
126 | for (ifmd=0; ifmd<5; ifmd++) | |
127 | { | |
128 | sprintf(nameFMD,"FMD%d",ifmd+1); | |
129 | ppcon[0]=0; | |
130 | ppcon[1]=360; | |
131 | ppcon[2]=4; | |
132 | ||
133 | // ppcon[3]=z[ifmd]; | |
134 | ppcon[3]=-wideSupport/2.; | |
135 | ppcon[4]=rin[ifmd]; | |
136 | ppcon[5]=rout[ifmd]; | |
137 | ||
138 | ppcon[6]=ppcon[3]+zSi+2*zPCB+2*NylonTube[2]; | |
139 | ppcon[7]=rin[ifmd]; | |
140 | ppcon[8]=rout[ifmd]; | |
141 | ||
142 | ppcon[9]=ppcon[6]; | |
143 | ppcon[10]=RinHoneyComb[ifmd]; | |
144 | ppcon[11]=RoutHoneyComb[ifmd]; | |
145 | ||
146 | ppcon[12]=ppcon[9]+zHoneyComb+zPCB; | |
147 | ppcon[13]=RinHoneyComb[ifmd]; | |
148 | ppcon[14]=RoutHoneyComb[ifmd]; | |
149 | zFMD=z[ifmd]+wideSupport/2.; | |
150 | // cout<<" Si "<<ifmd+1<<" "<<zFMD<<" "<<ppcon[12]<<endl; | |
151 | gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15); | |
152 | if (z[ifmd] >0){ | |
153 | gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],0, "ONLY");} | |
154 | else { | |
155 | gMC->Gspos(nameFMD,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");} | |
156 | //silicon | |
157 | sprintf(nameSi,"GSI%d",ifmd+1); | |
158 | sprintf(nameSector,"GSC%d",ifmd+1); | |
159 | sprintf(nameRing,"GRN%d",ifmd+1); | |
160 | //honeycomb support | |
161 | sprintf(nameHoney,"GSU%d",ifmd+1); | |
162 | gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0); //honeycomb | |
163 | sprintf(nameHoneyIn,"GHI%d",ifmd+1); | |
164 | gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0); //honey comb inside | |
165 | sprintf(nameHoneyOut,"GHO%d",ifmd+1); | |
166 | gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0); //honey comb skin | |
167 | //PCB | |
168 | sprintf(namePCB,"GPC%d",ifmd+1); | |
169 | gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB | |
170 | sprintf(nameCopper,"GCO%d",ifmd+1); | |
171 | gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0); // Cooper | |
172 | sprintf(nameChips,"GCH%d",ifmd+1); | |
173 | gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips | |
174 | sprintf(nameG10,"G10%d",ifmd+1); | |
175 | gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0); //G10 plate | |
176 | //last PCB | |
177 | sprintf(nameLPCB,"GPL%d",ifmd+1); | |
178 | gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB | |
179 | sprintf(nameLCopper,"GCL%d",ifmd+1); | |
180 | gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0); // Cooper | |
181 | sprintf(nameLChips,"GHL%d",ifmd+1); | |
182 | gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips | |
183 | sprintf(nameGL10,"G1L%d",ifmd+1); | |
184 | gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); //G10 plate | |
185 | ||
186 | ||
187 | par[0]=rin[ifmd]; // pipe size | |
188 | par[1]=rout[ifmd]; | |
189 | par[2]=zSi/2; | |
190 | gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3); | |
191 | printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]); | |
192 | zInside=ppcon[3]+par[2]; | |
193 | // cout<<" zInside "<<zInside<<endl; | |
194 | gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY"); | |
195 | //PCB 1 | |
196 | zInside += par[2]+zPCB/2; | |
197 | par[2]=zPCB/2; | |
198 | // cout<<"FMD "<<ifmd<<" zInside PCB1 = "<<zInside<<endl; | |
199 | gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
200 | zInside += zPCB; | |
201 | // cout<<"FMD "<<ifmd<<" zInside PCB2 = "<<zInside<<endl; | |
202 | gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
203 | Float_t NulonTubeBegin=zInside+2*zPCB; | |
204 | par[2]=zPCB/2-0.02; | |
205 | Float_t zInPCB = -zPCB/2+par[2]; | |
206 | gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
207 | zInPCB+=par[2]+zCooper/2 ; | |
208 | par[2]=zCooper/2; | |
209 | gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
210 | zInPCB += zCooper/2 + zChips/2; | |
211 | par[2]=zChips/2; | |
212 | gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3); | |
213 | //HoneyComb | |
214 | zHoneyComb=0.8; | |
215 | par[0] = RinHoneyComb[ifmd]; | |
216 | par[1] = RoutHoneyComb[ifmd]; | |
217 | par[2] = zHoneyComb/2; | |
218 | // cout<<"FMD "<<ifmd<<" zInside before HoneyComb = "<<zInside<<" par[2] "<<par[2]<<endl; | |
219 | zInside += 2*NylonTube[2]+par[2]; | |
220 | // cout<<" zInside HoneyComb"<<zInside<<endl; | |
221 | gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
222 | par[2]=0.1/2; | |
223 | Float_t zHoney=-zHoneyComb/2+par[2]; | |
224 | // cout<<" zHoney shurka 1 "<<zHoney <<endl; | |
225 | gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0, | |
226 | "ONLY",par,3); //shkurki | |
227 | zHoney=zHoneyComb/2-par[2]; | |
228 | // cout<<" zHoney shurka 2 "<<zHoney <<endl; | |
229 | gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3); | |
230 | par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri | |
231 | gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3); | |
232 | ||
233 | gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd], | |
234 | NulonTubeBegin+NylonTube[2]/2.,0, "ONLY"); | |
235 | gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd], | |
236 | NulonTubeBegin+NylonTube[2]/2.,0, "ONLY"); | |
237 | ||
238 | //last PCB | |
239 | par[0]=RoutHoneyComb[ifmd]-9; | |
240 | par[1]=RoutHoneyComb[ifmd]; | |
241 | par[2]=zPCB/2; | |
242 | // cout<<" rin "<<par[0]<<" rout "<<par[1]<<endl; | |
243 | zInside += zHoneyComb/2+par[2]; | |
244 | gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3); | |
245 | ||
246 | par[2]=zPCB/2-0.02; | |
247 | zInPCB = -zPCB/2+par[2]; | |
248 | gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
249 | zInPCB+=par[2]+zCooper/2 ; | |
250 | par[2]=zCooper/2; | |
251 | gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
252 | zInPCB += zCooper/2 + zChips/2; | |
253 | par[2]=zChips/2; | |
254 | gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3); | |
255 | ||
256 | /* | |
257 | if (ifmd==3) { | |
258 | par[0]=0.1; | |
259 | par[1]=7.; | |
260 | par[2]=0.1; | |
261 | gMC->Gsvolu("GST1","BOX ", idtmed[6], par, 3); //support carbon stick | |
262 | gMC->Gspos("GST1",1,nameFMD,0.,49.2-par[1],z[3]-0.7,0,"ONLY"); | |
263 | gMC->Gspos("GST1",2,nameFMD,0.,-49.2+par[1],z[3]-0.7,0,"ONLY"); | |
264 | ||
265 | Float_t pSupportCone[5]; | |
266 | pSupportCone[0]=1.5; | |
267 | pSupportCone[1]=34.4; | |
268 | pSupportCone[2]=34.5; | |
269 | pSupportCone[3]=30.; | |
270 | pSupportCone[4]=29.9; | |
271 | gMC->Gsvolu("GCY1","CONE", idtmed[6],pSupportCone , 5); //support carbon stick | |
272 | gMC->Gspos("GCY1",1,nameFMD,0.,0.,z[3]+1.5,0,"ONLY"); | |
273 | ||
274 | } | |
275 | if (ifmd==2) { | |
276 | par[0]=0.1; | |
277 | par[1]=1.3; | |
278 | par[2]=0.1; | |
279 | gMC->Gsvolu("GST3","BOX ", idtmed[6], par, 3); //support carbon stick | |
280 | gMC->Gspos("GST3",1,nameFMD,0.,23.-par[1],z[2]+2.1,0,"ONLY"); | |
281 | gMC->Gspos("GST3",2,nameFMD,0.,-23.+par[1],z[2]+2.1,0,"ONLY"); | |
282 | ||
283 | Float_t pSupportCone[5]; | |
284 | pSupportCone[0]=1.5; | |
285 | pSupportCone[1]=30.; | |
286 | pSupportCone[2]=29.9; | |
287 | pSupportCone[3]=21.; | |
288 | pSupportCone[4]=20.9; | |
289 | gMC->Gsvolu("GCY2","CONE", idtmed[6],pSupportCone , 5); //support carbon stick | |
290 | gMC->Gspos("GCY2",1,nameFMD,0.,0.,z[2]+1.5,0,"ONLY"); | |
291 | ||
292 | } | |
293 | */ | |
294 | ||
295 | //Granularity | |
296 | fSectorsSi1=20; | |
297 | fRingsSi1=256*3; | |
298 | //fRingsSi1=3; // for drawing only | |
299 | fSectorsSi2=40; | |
300 | fRingsSi2=128*3; | |
301 | // fRingsSi2=3; //for drawing onl | |
302 | if(ifmd==1||ifmd==3) | |
303 | { | |
304 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2); | |
305 | gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1); | |
306 | } | |
307 | else | |
308 | { | |
309 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2); | |
310 | gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1); | |
311 | } | |
312 | ||
313 | } | |
314 | } | |
315 | ||
316 | ||
317 | //------------------------------------------------------------------------ | |
318 | ||
319 | ||
320 | void AliFMDv2::CreateMaterials() | |
321 | { | |
322 | Int_t isxfld = gAlice->Field()->Integ(); | |
323 | Float_t sxmgmx = gAlice->Field()->Max(); | |
324 | ||
325 | // Plastic CH | |
326 | Float_t aPlastic[2]={1.01,12.01}; | |
327 | Float_t zPlastic[2]={1,6}; | |
328 | Float_t wPlastic[2]={1,1}; | |
329 | Float_t denPlastic=1.03; | |
330 | // 60% SiO2 , 40% G10FR4 | |
331 | // PC board | |
332 | Float_t apcb[3] = { 28.0855,15.9994,17.749 }; | |
333 | Float_t zpcb[3] = { 14.,8.,8.875 }; | |
334 | Float_t wpcb[3] = { .28,.32,.4 }; | |
335 | Float_t denspcb = 1.8; | |
336 | // | |
337 | ||
338 | //*** Definition Of avaible FMD materials *** | |
339 | AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); | |
340 | AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic); | |
341 | AliMixture(2, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb); | |
342 | AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.); | |
343 | AliMaterial(4, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.); | |
344 | AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.); | |
345 | AliMaterial(6, "SSD C$", 12.011, 6., 2.265,18.8, 999.); | |
346 | AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb | |
347 | AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.); | |
348 | ||
349 | ||
350 | //** | |
351 | AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
352 | AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
353 | AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
354 | AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
355 | AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
356 | AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
357 | AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
358 | AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
359 | AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
360 | ||
361 | ||
362 | ||
363 | } | |
364 | ||
365 | //--------------------------------------------------------------------- | |
366 | void AliFMDv2::DrawDetector() | |
367 | { | |
368 | // | |
369 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
370 | // | |
371 | ||
372 | ||
373 | //Set ALIC mother transparent | |
374 | gMC->Gsatt("ALIC","SEEN",0); | |
375 | // | |
376 | //Set volumes visible | |
377 | gMC->Gsatt("FMD1","SEEN",1); | |
378 | gMC->Gsatt("FMD2","SEEN",1); | |
379 | gMC->Gsatt("FMD3","SEEN",1); | |
380 | gMC->Gsatt("FMD4","SEEN",1); | |
381 | gMC->Gsatt("FMD5","SEEN",1); | |
382 | ||
383 | // | |
384 | gMC->Gdopt("hide","on"); | |
385 | gMC->Gdopt("shad","on"); | |
386 | gMC->SetClipBox("."); | |
387 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
388 | gMC->DefaultRange(); | |
389 | gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2); | |
390 | gMC->Gdhead(1111,"Forward multiplicity detector"); | |
391 | gMC->Gdopt("hide","off"); | |
392 | } | |
393 | //------------------------------------------------------------------- | |
394 | void AliFMDv2::Init() | |
395 | { | |
396 | // Initialises version 0 of the Forward Multiplicity Detector | |
397 | // | |
398 | AliFMD::Init(); | |
399 | fIdSens1=gMC->VolId("GRN1"); | |
400 | fIdSens2=gMC->VolId("GRN2"); | |
401 | fIdSens3=gMC->VolId("GRN3"); | |
402 | fIdSens4=gMC->VolId("GRN4"); | |
403 | fIdSens5=gMC->VolId("GRN5"); | |
404 | printf("*** FMD version 2 initialized ***\n"); | |
405 | } | |
406 | ||
407 | //------------------------------------------------------------------- | |
408 | ||
409 | void AliFMDv2::StepManager() | |
410 | { | |
411 | // | |
412 | // Called for every step in the Forward Multiplicity Detector | |
413 | // | |
414 | Int_t id,copy,copy1,copy2; | |
415 | static Float_t hits[9]; | |
416 | static Int_t vol[3]; | |
417 | static Float_t de; | |
418 | TLorentzVector pos; | |
419 | TLorentzVector mom; | |
420 | ||
421 | ||
422 | TClonesArray &lhits = *fHits; | |
423 | if(!gMC->IsTrackAlive()) return; // particle has disappeared | |
424 | ||
425 | Float_t charge = gMC->TrackCharge(); | |
426 | if(TMath::Abs(charge)<=0.) return; //take only charged particles | |
427 | ||
428 | // printf(" in StepManeger \n"); | |
429 | id=gMC->CurrentVolID(copy); | |
430 | ||
431 | // Check the sensetive volume | |
432 | if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5) | |
433 | { | |
434 | if(gMC->IsTrackEntering()) | |
435 | { | |
436 | vol[2]=copy; | |
437 | gMC->CurrentVolOffID(1,copy1); | |
438 | vol[1]=copy1; | |
439 | gMC->CurrentVolOffID(2,copy2); | |
440 | vol[0]=copy2; | |
441 | ||
442 | gMC->TrackPosition(pos); | |
443 | hits[0]=pos[0]; | |
444 | hits[1]=pos[1]; | |
445 | hits[2]=pos[2]; | |
446 | ||
447 | gMC->TrackMomentum(mom); | |
448 | hits[3]=mom[0]; | |
449 | hits[4]=mom[1]; | |
450 | hits[5]=mom[2]; | |
451 | ||
452 | Int_t iPart= gMC->TrackPid(); | |
453 | Int_t partId=gMC->IdFromPDG(iPart); | |
454 | hits[7]=partId; | |
455 | hits[8]=1e9*gMC->TrackTime(); | |
456 | de=0.; | |
457 | } | |
458 | if(gMC->IsTrackInside()){ | |
459 | de=de+1000.*gMC->Edep(); | |
460 | } | |
461 | ||
462 | if(gMC->IsTrackExiting() | |
463 | ||gMC->IsTrackDisappeared()|| | |
464 | gMC->IsTrackStop()) | |
465 | { | |
466 | hits[6]=de+1000.*gMC->Edep(); | |
467 | new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits); | |
468 | } // IsTrackExiting() | |
469 | } | |
470 | } | |
471 | ||
472 | //-------------------------------------------------------------------------- | |
473 | ||
474 | void AliFMDv2::Response( Float_t Edep) | |
475 | { | |
476 | Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6; | |
477 | Float_t chargeOnly=Edep/I; | |
478 | //Add noise ~500electrons | |
479 | Int_t charge=500; | |
480 | if (Edep>0) | |
481 | charge=Int_t(gRandom->Gaus(chargeOnly,500)); | |
482 | } | |
483 | ||
484 | ||
485 | ||
486 | ||
487 | ||
488 | ||
489 |