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[u/mrichter/AliRoot.git] / FMD / AliFMDv0.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
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 47ClassImp(AliFMDv0)
d28dcc0d 48
49//--------------------------------------------------------------------
50AliFMDv0::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 65void 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 267void 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//---------------------------------------------------------------------
312void 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 320gMC->Gsatt("ALIC","SEEN",0);
d28dcc0d 321//
322//Set volumes visible
323gMC->Gsatt("FMD0","SEEN",1);
324gMC->Gsatt("FMD1","SEEN",1);
325gMC->Gsatt("FMD2","SEEN",1);
326gMC->Gsatt("FMD3","SEEN",1);
327gMC->Gsatt("FMD4","SEEN",1);
328gMC->Gsatt("FMD5","SEEN",1);
329
330//
331gMC->Gdopt("hide","on");
332gMC->Gdopt("shad","on");
333gMC->SetClipBox(".");
334gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
335gMC->DefaultRange();
336gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
337gMC->Gdhead(1111,"Forward multiplicity detector");
338gMC->Gdopt("hide","off");
339}
340//-------------------------------------------------------------------
341void AliFMDv0::Init()
342{
343// Initialises version 0 of the Forward Multiplicity Detector
344//
d28dcc0d 345AliFMD::Init();
37c55dc0 346fIdSens1=gMC->VolId("GRN1");
347fIdSens2=gMC->VolId("GRN2");
348fIdSens3=gMC->VolId("GRN3");
349fIdSens4=gMC->VolId("GRN4");
350fIdSens5=gMC->VolId("GRN5");
0422d7f8 351if (fDebug) printf("*** FMD version 0 initialized ***\n");
fe4da5cc 352}
353
d28dcc0d 354//-------------------------------------------------------------------
355
356void AliFMDv0::StepManager()
fe4da5cc 357{
358 //
d28dcc0d 359 // Called for every step in the Forward Multiplicity Detector
fe4da5cc 360 //
37c55dc0 361}
fe4da5cc 362