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[u/mrichter/AliRoot.git] / FMD / AliFMDv1.cxx
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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
b9a2d5e4 18 /////////////////////////////////////////////////////////////////////
19// //
20// Forward Multiplicity detector based on Silicon version 0 //
21//
22//Begin Html
fe4da5cc 23/*
b9a2d5e4 24<img src="gif/AliFMDv0Class.gif">
fe4da5cc 25*/
b9a2d5e4 26//End Html
27// //
28// //
29//////////////////////////////////////////////////////////////////////
30
88cb7938 31#include <Riostream.h>
32#include <stdlib.h>
33
34#include <TClonesArray.h>
35#include <TDirectory.h>
36#include <TFile.h>
b9a2d5e4 37#include <TGeometry.h>
88cb7938 38#include <TLorentzVector.h>
39#include <TMath.h>
40#include <TNode.h>
b9a2d5e4 41#include <TTUBE.h>
b9a2d5e4 42#include <TTree.h>
88cb7938 43#include <TVirtualMC.h>
44
45#include "AliFMDdigit.h"
46#include "AliFMDhit.h"
37c55dc0 47#include "AliFMDv0.h"
88cb7938 48#include "AliFMDv1.h"
94de3818 49#include "AliMagF.h"
88cb7938 50#include "AliRun.h"
5d12ce38 51#include "AliMC.h"
88cb7938 52
fe4da5cc 53ClassImp(AliFMDv1)
b9a2d5e4 54
55//--------------------------------------------------------------------
56AliFMDv1::AliFMDv1(const char *name, const char *title):
57 AliFMD(name,title)
fe4da5cc 58{
59 //
b9a2d5e4 60 // Standart constructor for Forward Multiplicity Detector version 0
fe4da5cc 61 //
b9a2d5e4 62 fIdSens1=0;
37c55dc0 63 fIdSens2=0;
64 fIdSens3=0;
65 fIdSens4=0;
66 fIdSens5=0;
b9a2d5e4 67// setBufferSize(128000);
46501dfb 68 }
b9a2d5e4 69//-------------------------------------------------------------------------
fe4da5cc 70void AliFMDv1::CreateGeometry()
71{
b9a2d5e4 72 //
73 // Create the geometry of Forward Multiplicity Detector version 0
fe4da5cc 74 //
b9a2d5e4 75 //Detector consists of 6 volumes:
76 // 1st covered pseudorapidity interval from 3.3 to 2.0
77 // and placed on 65cm in Z-direction;
78 // 2nd - from 2.0 to 1.6 and Z=85 cm;
79 // 3d - the same pseudorapidity interval as the 1st
80 // but on the other side from the interaction point z=-65cm;
81 // 4th - simmetricaly with the 2nd :
82 // pseudorapidity from 2.0 to 1.6, Z=-85cm
83 // 5th - from 3.6 to 4.7, Z=-270cm
84 // 6th - from 4.5 to 5.5 , Z=-630cm.
85 // Each part has 400mkm Si (sensetive area, detector itself),
86 // 0.75cm of plastic simulated electronics material,
87 // Al support ring 2cm thickness and 1cm width placed on
88 // the outer radius of each Si disk;
89 //
90 // begin Html
fe4da5cc 91 /*
b9a2d5e4 92 <img src="gif/AliFMDv0.gif">
93 */
94 //
0d630091 95
46501dfb 96
97
b9a2d5e4 98 Int_t *idtmed = fIdtmed->GetArray();
99
100 Int_t ifmd;
101 Int_t idrotm[999];
cc1bc644 102 /*<<<<<<< AliFMDv1.cxx
103 Float_t zFMD,par[3],ppcon[15];
104 Float_t z[5]={62.8, 75.2, -83.4, -75.2, -340.};
105 Float_t NylonTube[3]={0.2,0.6,0.45};
106 Float_t zPCB=0.12; Float_t zHoneyComb=0.5;
107 Float_t zSi=0.03;
108
109 char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
110 Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
111 Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
112 Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
113 Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
114 Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
115 Float_t RinHoneyComb[5] ={ 5.15,16.4, 5.15,16.4, 5.15};
116 Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
117 Float_t zInside;
118 Float_t zCooper=0.01; Float_t zChips=0.01;
119 Float_t yNylonTube[5]={10,20,10,20,10};
120 =======*/
46501dfb 121 Float_t zFMD,par[3],ppcon[15];
1663993c 122 Float_t z[5]={-62.8, -75.2, 83.4, 75.2, 340.};
46501dfb 123 Float_t NylonTube[3]={0.2,0.6,0.45};
124 Float_t zPCB=0.12; Float_t zHoneyComb=0.5;
125 Float_t zSi=0.03;
126
127 char nameFMD[5], nameSi[5], nameSector[5], nameRing[5];
128 Char_t nameHoney[5], nameHoneyIn[5], nameHoneyOut[5];
129 Char_t namePCB[5], nameCopper[5], nameChips[5], nameG10[5];
130 Char_t nameLPCB[5], nameLCopper[5], nameLChips[5], nameGL10[5];;
131 Float_t rin[5]={4.2,15.4,4.2,15.4,4.2};
132 Float_t rout[5]={17.4,28.4,17.4,28.4,17.4};
133 Float_t RinHoneyComb[5] ={ 5.15,16.4, 5.15,16.4, 5.15};
134 Float_t RoutHoneyComb[5]={20.63,34.92,22.3, 32.02,20.63};
135 Float_t zInside;
136 Float_t zCooper=0.01; Float_t zChips=0.01;
137 Float_t yNylonTube[5]={10,20,10,20,10};
cc1bc644 138 //>>>>>>> 1.25
37c55dc0 139
b9a2d5e4 140
141 AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
46501dfb 142
143
144 // Nylon tubes
145 gMC->Gsvolu("GNYL","TUBE", idtmed[1], NylonTube, 3); //support nylon tube
146 Float_t wideSupport=zSi+3*zPCB+2*NylonTube[2]+zHoneyComb;
147 cout<<" wideSupport "<<wideSupport<<endl;
b9a2d5e4 148
46501dfb 149 for (ifmd=0; ifmd<5; ifmd++)
150 {
151 sprintf(nameFMD,"FMD%d",ifmd+1);
152 ppcon[0]=0;
153 ppcon[1]=360;
154 ppcon[2]=4;
155
156 ppcon[3]=-wideSupport;
cc1bc644 157 ppcon[4]=rin[ifmd]-0.1;
46501dfb 158 ppcon[5]=rout[ifmd]+0.1;
159
160 ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2];
cc1bc644 161 ppcon[7]=rin[ifmd]-0.1;
46501dfb 162 ppcon[8]=rout[ifmd]+0.1;
163
164 ppcon[9]=ppcon[6];
cc1bc644 165 ppcon[10]=RinHoneyComb[ifmd]-0.1;
46501dfb 166 ppcon[11]=RoutHoneyComb[ifmd]+0.1;
f075b58b 167
46501dfb 168 ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB;
cc1bc644 169 ppcon[13]=RinHoneyComb[ifmd]-0.1;
46501dfb 170 ppcon[14]=RoutHoneyComb[ifmd]+0.1;
171 gMC->Gsvolu(nameFMD,"PCON",idtmed[0],ppcon,15);
172 if (z[ifmd] >0){
173 zFMD=z[ifmd]+wideSupport;
174 gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,0, "ONLY");}
175 else {
176 zFMD=z[ifmd]-wideSupport;
177 gMC->Gspos(nameFMD,1,"ALIC",0,0,zFMD,idrotm[901], "ONLY");}
178 //silicon
179 sprintf(nameSi,"GSI%d",ifmd+1);
180 sprintf(nameSector,"GSC%d",ifmd+1);
181 sprintf(nameRing,"GRN%d",ifmd+1);
182
183 //honeycomb support
184 sprintf(nameHoney,"GSU%d",ifmd+1);
185 gMC->Gsvolu(nameHoney,"TUBE", idtmed[0], par, 0); //honeycomb
186 sprintf(nameHoneyIn,"GHI%d",ifmd+1);
187 gMC->Gsvolu(nameHoneyIn,"TUBE", idtmed[7], par, 0); //honey comb inside
188 sprintf(nameHoneyOut,"GHO%d",ifmd+1);
189 gMC->Gsvolu(nameHoneyOut,"TUBE", idtmed[6], par, 0); //honey comb skin
190 //PCB
191 sprintf(namePCB,"GPC%d",ifmd+1);
192 gMC->Gsvolu(namePCB,"TUBE", idtmed[0], par, 0); //PCB
193 sprintf(nameCopper,"GCO%d",ifmd+1);
194 gMC->Gsvolu(nameCopper,"TUBE", idtmed[3], par, 0); // Cooper
195 sprintf(nameChips,"GCH%d",ifmd+1);
196 gMC->Gsvolu(nameChips,"TUBE", idtmed[5], par, 0); // Si chips
197 sprintf(nameG10,"G10%d",ifmd+1);
198 gMC->Gsvolu(nameG10,"TUBE", idtmed[2], par, 0); //G10 plate
199 //last PCB
200 sprintf(nameLPCB,"GPL%d",ifmd+1);
201 gMC->Gsvolu(nameLPCB,"TUBE", idtmed[0], par, 0); //PCB
202 sprintf(nameLCopper,"GCL%d",ifmd+1);
203 gMC->Gsvolu(nameLCopper,"TUBE", idtmed[3], par, 0); // Cooper
204 sprintf(nameLChips,"GHL%d",ifmd+1);
205 gMC->Gsvolu(nameLChips,"TUBE", idtmed[5], par, 0); // Si chips
206 sprintf(nameGL10,"G1L%d",ifmd+1);
207 gMC->Gsvolu(nameGL10,"TUBE", idtmed[2], par, 0); // Last G10
208 par[0]=rin[ifmd]; // pipe size
209 par[1]=rout[ifmd];
210 par[2]=zSi/2;
211 gMC->Gsvolu(nameSi,"TUBE", idtmed[4], par, 3);
212 zInside=ppcon[3]+par[2];
213 gMC->Gspos(nameSi,ifmd+1,nameFMD,0,0,zInside,0, "ONLY");
214 //PCB 1
215 zInside += par[2]+zPCB/2;
216 par[2]=zPCB/2;
217 gMC->Gsposp(namePCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
218 zInside += zPCB;
219 gMC->Gsposp(namePCB,2,nameFMD,0,0,zInside,0, "ONLY",par,3);
220 Float_t NulonTubeBegin=zInside+2.5*zPCB;
221 par[2]=zPCB/2-0.02;
222 Float_t zInPCB = -zPCB/2+par[2];
223 gMC->Gsposp(nameG10,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
224 zInPCB+=par[2]+zCooper/2 ;
225 par[2]=zCooper/2;
226 gMC->Gsposp(nameCopper,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
227 zInPCB += zCooper/2 + zChips/2;
228 par[2]=zChips/2;
229 gMC->Gsposp(nameChips,1,namePCB,0,0,zInPCB,0, "ONLY",par,3);
230 //HoneyComb
231 zHoneyComb=0.8;
232 par[0] = RinHoneyComb[ifmd];
233 par[1] = RoutHoneyComb[ifmd];
234 par[2] = zHoneyComb/2;
235 zInside += 2*NylonTube[2]+par[2];
236 gMC->Gsposp(nameHoney,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
237 par[2]=0.1/2;
238 Float_t zHoney=-zHoneyComb/2+par[2];
239 gMC->Gsposp(nameHoneyOut,1,nameHoney,0,0,zHoney,0,
240 "ONLY",par,3); //shkurki
241 zHoney=zHoneyComb/2-par[2];
242 gMC->Gsposp(nameHoneyOut,2,nameHoney,0,0,zHoney,0, "ONLY",par,3);
243 par[2]=(zHoneyComb-2.*0.1)/2; //soty vnutri
244 gMC->Gsposp(nameHoneyIn,1,nameHoney,0,0,0,0, "ONLY",par,3);
245
246 gMC->Gspos("GNYL",1,nameFMD,0,yNylonTube[ifmd],
247 NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
248 gMC->Gspos("GNYL",2,nameFMD,0,-yNylonTube[ifmd],
249 NulonTubeBegin+NylonTube[2]/2.,0, "ONLY");
250
251 //last PCB
252 par[0]=RoutHoneyComb[ifmd]-9;
253 par[1]=RoutHoneyComb[ifmd];
254 par[2]=zPCB/2;
255 zInside += zHoneyComb/2+par[2];
256 gMC->Gsposp(nameLPCB,1,nameFMD,0,0,zInside,0, "ONLY",par,3);
257
258 par[2]=zPCB/2-0.02;
259 zInPCB = -zPCB/2+par[2];
260 gMC->Gsposp(nameGL10,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
261 zInPCB+=par[2]+zCooper/2 ;
262 par[2]=zCooper/2;
263 gMC->Gsposp(nameLCopper,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
264 zInPCB += zCooper/2 + zChips/2;
265 par[2]=zChips/2;
266 gMC->Gsposp(nameLChips,1,nameLPCB,0,0,zInPCB,0, "ONLY",par,3);
267
268
269 //Granularity
f075b58b 270 fSectorsSi1=20;
102e9e9c 271 fRingsSi1=256*2;
272 // fRingsSi1=3; // for drawing only
f075b58b 273 fSectorsSi2=40;
102e9e9c 274 fRingsSi2=128*2;
275 // fRingsSi2=3; //for drawing onl
46501dfb 276 if(ifmd==1||ifmd==3)
37c55dc0 277 {
46501dfb 278 gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
279 gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
37c55dc0 280 }
281 else
282 {
46501dfb 283 gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
284 gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
37c55dc0 285 }
46501dfb 286
287 }
b9a2d5e4 288}
37c55dc0 289
46501dfb 290
b9a2d5e4 291//------------------------------------------------------------------------
46501dfb 292void AliFMDv1::CreateMaterials()
b9a2d5e4 293{
294 Int_t isxfld = gAlice->Field()->Integ();
295 Float_t sxmgmx = gAlice->Field()->Max();
296
297 // Plastic CH
298 Float_t aPlastic[2]={1.01,12.01};
299 Float_t zPlastic[2]={1,6};
300 Float_t wPlastic[2]={1,1};
301 Float_t denPlastic=1.03;
302 //
46501dfb 303 // 60% SiO2 , 40% G10FR4
304 // PC board
305 Float_t apcb[3] = { 28.0855,15.9994,17.749 };
306 Float_t zpcb[3] = { 14.,8.,8.875 };
307 Float_t wpcb[3] = { .28,.32,.4 };
308 Float_t denspcb = 1.8;
309 //
60b0465d 310// AIR
311 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
312Float_t zAir[4]={6.,7.,8.,18.};
313Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
314Float_t dAir = 1.20479E-3;
315 //*** Definition Of avaible FMD materials ***
316 AliMixture(0, "FMD Air$", aAir, zAir, dAir, 4,wAir);
46501dfb 317 AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
318 AliMixture(2, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
319 AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
320 AliMaterial(4, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
321 AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
322 AliMaterial(6, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
323 AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
324 AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
325
0d630091 326
b9a2d5e4 327//**
46501dfb 328 AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
329 AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
330 AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
331 AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
332 AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
333 AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
334 AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
335 AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
336 AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003);
b9a2d5e4 337
0d630091 338
0d630091 339
fe4da5cc 340}
b9a2d5e4 341//---------------------------------------------------------------------
342void AliFMDv1::DrawDetector()
fe4da5cc 343{
b9a2d5e4 344//
345// Draw a shaded view of the Forward multiplicity detector version 0
346//
347
b9a2d5e4 348//Set ALIC mother transparent
5d02ea6f 349gMC->Gsatt("ALIC","SEEN",0);
b9a2d5e4 350//
351//Set volumes visible
b9a2d5e4 352gMC->Gsatt("FMD1","SEEN",1);
353gMC->Gsatt("FMD2","SEEN",1);
354gMC->Gsatt("FMD3","SEEN",1);
355gMC->Gsatt("FMD4","SEEN",1);
356gMC->Gsatt("FMD5","SEEN",1);
357
358//
359gMC->Gdopt("hide","on");
360gMC->Gdopt("shad","on");
361gMC->SetClipBox(".");
362gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
363gMC->DefaultRange();
364gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
365gMC->Gdhead(1111,"Forward multiplicity detector");
366gMC->Gdopt("hide","off");
367}
368//-------------------------------------------------------------------
369void AliFMDv1::Init()
370{
371// Initialises version 0 of the Forward Multiplicity Detector
372//
37c55dc0 373AliFMD::Init();
374fIdSens1=gMC->VolId("GRN1");
375fIdSens2=gMC->VolId("GRN2");
376fIdSens3=gMC->VolId("GRN3");
377fIdSens4=gMC->VolId("GRN4");
378fIdSens5=gMC->VolId("GRN5");
379printf("*** FMD version 1 initialized ***\n");
fe4da5cc 380}
381
b9a2d5e4 382//-------------------------------------------------------------------
383
384void AliFMDv1::StepManager()
fe4da5cc 385{
386 //
b9a2d5e4 387 // Called for every step in the Forward Multiplicity Detector
fe4da5cc 388 //
b9a2d5e4 389 Int_t id,copy,copy1,copy2;
390 static Float_t hits[9];
391 static Int_t vol[3];
392 static Float_t de;
393 TLorentzVector pos;
394 TLorentzVector mom;
fe4da5cc 395
0d630091 396
b9a2d5e4 397 TClonesArray &lhits = *fHits;
b9a2d5e4 398 if(!gMC->IsTrackAlive()) return; // particle has disappeared
0d630091 399
b9a2d5e4 400 Float_t charge = gMC->TrackCharge();
401 if(TMath::Abs(charge)<=0.) return; //take only charged particles
402
403 // printf(" in StepManeger \n");
404 id=gMC->CurrentVolID(copy);
37c55dc0 405 //((TGeant3*)gMC)->Gpcxyz();
fe4da5cc 406
b9a2d5e4 407// Check the sensetive volume
37c55dc0 408 if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
b9a2d5e4 409 {
410 if(gMC->IsTrackEntering())
411 {
b9a2d5e4 412 vol[2]=copy;
413 gMC->CurrentVolOffID(1,copy1);
414 vol[1]=copy1;
415 gMC->CurrentVolOffID(2,copy2);
416 vol[0]=copy2;
f075b58b 417
b9a2d5e4 418 gMC->TrackPosition(pos);
419 hits[0]=pos[0];
420 hits[1]=pos[1];
421 hits[2]=pos[2];
f075b58b 422
b9a2d5e4 423 gMC->TrackMomentum(mom);
424 hits[3]=mom[0];
425 hits[4]=mom[1];
426 hits[5]=mom[2];
427
428 Int_t iPart= gMC->TrackPid();
429 Int_t partId=gMC->IdFromPDG(iPart);
430 hits[7]=partId;
431 hits[8]=1e9*gMC->TrackTime();
432 de=0.;
b9a2d5e4 433 }
434 if(gMC->IsTrackInside()){
435 de=de+1000.*gMC->Edep();
436 }
437
438 if(gMC->IsTrackExiting()
439 ||gMC->IsTrackDisappeared()||
440 gMC->IsTrackStop())
441 {
442 hits[6]=de+1000.*gMC->Edep();
5d12ce38 443 new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
b9a2d5e4 444 } // IsTrackExiting()
445 }
446 }
dc8af42e 447//--------------------------------------------------------------------------
448
449void AliFMDv1::Response( Float_t Edep)
450{
451 Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
452 Float_t chargeOnly=Edep/I;
453 //Add noise ~500electrons
454 Int_t charge=500;
455 if (Edep>0)
456 charge=Int_t(gRandom->Gaus(chargeOnly,500));
457 }
b9a2d5e4 458
459
460
461
fe4da5cc 462
0d630091 463