T0 overlaps
[u/mrichter/AliRoot.git] / FMD / AliFMDv1.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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15
16 /* $Id$ */
17
18  /////////////////////////////////////////////////////////////////////
19 //                                                                 //
20 // Forward Multiplicity detector based on Silicon version 0        //
21 //
22 //Begin Html       
23 /*
24 <img src="gif/AliFMDv0Class.gif">
25 */
26 //End Html
27 //                                                                  //
28 //                                                                  //
29 //////////////////////////////////////////////////////////////////////
30
31 #include <Riostream.h>
32 #include <stdlib.h>
33
34 #include <TClonesArray.h>
35 #include <TDirectory.h>
36 #include <TFile.h>
37 #include <TGeometry.h>
38 #include <TLorentzVector.h>
39 #include <TMath.h>
40 #include <TNode.h>
41 #include <TTUBE.h>
42 #include <TTree.h>
43 #include <TVirtualMC.h>
44
45 #include "AliFMDdigit.h"
46 #include "AliFMDhit.h"
47 #include "AliFMDv0.h"
48 #include "AliFMDv1.h"
49 #include "AliMagF.h"
50 #include "AliRun.h"
51 #include "AliMC.h"
52
53 ClassImp(AliFMDv1)
54
55 //--------------------------------------------------------------------
56 AliFMDv1::AliFMDv1(const char *name, const char *title):
57  AliFMD(name,title)
58 {
59   //
60   // Standart constructor for Forward Multiplicity Detector version 0
61   //
62   fIdSens1=0;
63   fIdSens2=0;
64   fIdSens3=0;
65   fIdSens4=0;
66   fIdSens5=0;
67 //  setBufferSize(128000);
68  }
69 //-------------------------------------------------------------------------
70 void AliFMDv1::CreateGeometry()
71 {
72  //
73   // Create the geometry of Forward Multiplicity Detector version 0
74   //
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
91   /*
92    <img src="gif/AliFMDv0.gif">
93    */
94   //
95
96
97
98   Int_t *idtmed = fIdtmed->GetArray();
99    
100   Int_t ifmd;
101   Int_t idrotm[999];
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   =======*/
121   Float_t zFMD,par[3],ppcon[15];
122   Float_t z[5]={-62.8, -75.2, 83.4, 75.2, 340.};
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};
138   //>>>>>>> 1.25
139
140
141   AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
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;
148
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;
157       ppcon[4]=rin[ifmd]-0.1;
158       ppcon[5]=rout[ifmd]+0.1;
159       
160       ppcon[6]=ppcon[3]+2*zSi+2*zPCB+2*NylonTube[2];
161       ppcon[7]=rin[ifmd]-0.1;
162       ppcon[8]=rout[ifmd]+0.1;
163       
164       ppcon[9]=ppcon[6];
165       ppcon[10]=RinHoneyComb[ifmd]-0.1;
166       ppcon[11]=RoutHoneyComb[ifmd]+0.1;
167
168       ppcon[12]=ppcon[9]+2*zHoneyComb+zPCB;
169       ppcon[13]=RinHoneyComb[ifmd]-0.1;
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
270     fSectorsSi1=20;
271     //    fRingsSi1=256*2;
272      fRingsSi1=3; // for drawing only
273     fSectorsSi2=40;
274     //   fRingsSi2=128*2;
275        fRingsSi2=3; //for  drawing onl
276     if(ifmd==1||ifmd==3)
277       { 
278         gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
279         gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
280       }
281     else
282       {
283         gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
284         gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
285       }
286     
287     }
288 }    
289
290
291 //------------------------------------------------------------------------
292 void AliFMDv1::CreateMaterials() 
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    //
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    //
310  //*** Definition Of avaible FMD materials ***
311  AliMaterial(0, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); 
312  AliMixture(1, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic);
313  AliMixture(2, "SSD PCB$",   apcb, zpcb, denspcb, 3, wpcb);
314  AliMaterial(3, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
315  AliMaterial(4, "SSD Si$",      28.0855, 14., 2.33, 9.36, 999.);
316  AliMaterial(5, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
317  AliMaterial(6, "SSD C$",       12.011,   6., 2.265,18.8, 999.);
318  AliMaterial(7, "SSD Kapton$", 12.011, 6., 0.01, 31.27, 999.);//honeycomb
319   AliMaterial(8, "SSD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
320    
321
322 //**
323  AliMedium(0, "FMD air$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
324  AliMedium(1, "Plastic$", 1, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
325  AliMedium(2, "SSD PCB$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
326  AliMedium(3, "SSD Copper$", 3, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
327  AliMedium(4, "SSD Si$", 4, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001);
328  AliMedium(5, "SSD Si chip$", 5, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
329  AliMedium(6, "SSD C$", 6, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
330  AliMedium(7, "SSD Kapton$", 7, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
331  AliMedium(8, "SSD G10FR4$", 8, 0,isxfld, sxmgmx,  10., .01, 1., .003, .003);
332  
333
334
335 }
336 //---------------------------------------------------------------------
337 void AliFMDv1::DrawDetector()
338 {
339 //
340 // Draw a shaded view of the Forward multiplicity detector version 0
341 //
342
343 //Set ALIC mother transparent
344 gMC->Gsatt("ALIC","SEEN",0);
345 //
346 //Set volumes visible
347 gMC->Gsatt("FMD1","SEEN",1);
348 gMC->Gsatt("FMD2","SEEN",1);
349 gMC->Gsatt("FMD3","SEEN",1);
350 gMC->Gsatt("FMD4","SEEN",1);
351 gMC->Gsatt("FMD5","SEEN",1);
352
353 //
354 gMC->Gdopt("hide","on");
355 gMC->Gdopt("shad","on");
356 gMC->SetClipBox(".");
357 gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
358 gMC->DefaultRange();
359 gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
360 gMC->Gdhead(1111,"Forward multiplicity detector");
361 gMC->Gdopt("hide","off");
362 }
363 //-------------------------------------------------------------------
364 void AliFMDv1::Init()
365 {
366 // Initialises version 0 of the Forward Multiplicity Detector
367 //
368 AliFMD::Init();
369 fIdSens1=gMC->VolId("GRN1");
370 fIdSens2=gMC->VolId("GRN2");
371 fIdSens3=gMC->VolId("GRN3");
372 fIdSens4=gMC->VolId("GRN4");
373 fIdSens5=gMC->VolId("GRN5");
374 printf("*** FMD version 1 initialized ***\n");
375 }
376
377 //-------------------------------------------------------------------
378
379 void AliFMDv1::StepManager()
380 {
381   //
382   // Called for every step in the Forward Multiplicity Detector
383   //
384   Int_t id,copy,copy1,copy2;
385   static Float_t hits[9];
386   static Int_t vol[3];
387   static Float_t de;
388   TLorentzVector pos;
389   TLorentzVector mom;
390
391
392   TClonesArray &lhits = *fHits;
393   if(!gMC->IsTrackAlive()) return; // particle has disappeared
394
395   Float_t charge = gMC->TrackCharge();
396   if(TMath::Abs(charge)<=0.) return; //take only charged particles
397
398   //  printf(" in StepManeger \n");
399   id=gMC->CurrentVolID(copy);
400   //((TGeant3*)gMC)->Gpcxyz();
401   
402 // Check the sensetive volume
403    if(id==fIdSens1||id==fIdSens2||id==fIdSens3||id==fIdSens4||id==fIdSens5)
404      {
405        if(gMC->IsTrackEntering())
406          {
407            vol[2]=copy;
408            gMC->CurrentVolOffID(1,copy1);
409            vol[1]=copy1;
410            gMC->CurrentVolOffID(2,copy2);
411            vol[0]=copy2;
412
413            gMC->TrackPosition(pos);
414            hits[0]=pos[0];
415            hits[1]=pos[1];
416            hits[2]=pos[2];
417
418            gMC->TrackMomentum(mom);
419            hits[3]=mom[0];
420            hits[4]=mom[1];
421            hits[5]=mom[2];
422
423            Int_t iPart= gMC->TrackPid();
424            Int_t partId=gMC->IdFromPDG(iPart);
425            hits[7]=partId;
426            hits[8]=1e9*gMC->TrackTime();
427            de=0.;
428          }
429        if(gMC->IsTrackInside()){
430            de=de+1000.*gMC->Edep();
431        }
432        
433        if(gMC->IsTrackExiting()
434           ||gMC->IsTrackDisappeared()||
435           gMC->IsTrackStop())
436          {
437              hits[6]=de+1000.*gMC->Edep();
438       new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,hits);
439          } // IsTrackExiting()
440      }
441   }
442 //--------------------------------------------------------------------------
443
444 void AliFMDv1::Response( Float_t Edep)
445 {
446   Float_t I=1.664*0.04*2.33/22400; // = 0.69e-6;
447   Float_t chargeOnly=Edep/I;
448   //Add noise ~500electrons
449   Int_t charge=500;
450   if (Edep>0)
451      charge=Int_t(gRandom->Gaus(chargeOnly,500));       
452  }   
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