// Standart constructor for Forward Multiplicity Detector version 0
//
fIdSens1=0;
+ fIdSens2=0;
+ fIdSens3=0;
+ fIdSens4=0;
+ fIdSens5=0;
// setBufferSize(128000);
}
//-------------------------------------------------------------------------
+
void AliFMDv0::CreateGeometry()
{
//
// Create the geometry of Forward Multiplicity Detector version 0
- //
- //Detector consists of 6 volumes:
- // 1st covered pseudorapidity interval from 3.3 to 2.0
- // and placed on 65cm in Z-direction;
- // 2nd - from 2.0 to 1.6 and Z=85 cm;
+ //Detector consists of 5 volumes:
+ // 1st covered pseudorapidity interval from 3.58 to 2.03
+ // and placed on 62.8cm in Z-direction;
+ // 2nd - from 1.94 to 1.51 and Z=75.2 cm;
// 3d - the same pseudorapidity interval as the 1st
- // but on the other side from the interaction point z=-65cm;
+ // but on the other side from the interaction point z=-62.8cm;
// 4th - simmetricaly with the 2nd :
- // pseudorapidity from 2.0 to 1.6, Z=-85cm
- // 5th - from 3.6 to 4.7, Z=-270cm
- // 6th - from 4.5 to 5.5 , Z=-630cm.
- // Each part has 400mkm Si (sensetive area, detector itself),
+ // pseudorapidity from 1.94 to 1.51, Z=-75.2cm
+ // 5th - from 3.71 to 5.28, Z=-345cm
+ // Each part has 300mkm Si (sensetive area, detector itself),
// 0.75cm of plastic simulated electronics material,
// Al support ring 2cm thickness and 1cm width placed on
// the outer radius of each Si disk;
- //
+ //
// begin Html
/*
<img src="gif/AliFMDv0.gif">
- */
+ */
//
Int_t *idtmed = fIdtmed->GetArray();
Int_t ifmd;
Int_t idrotm[999];
Float_t zfmd,par[3];
- char name[5];
+ char name[5], nameSi[5], nameSector[5], nameRing[5];
Float_t rin[6], rout[6],zpos;
- Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.7, 5.5};
- Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.6, 4.5};
- Float_t z[6]={64., 85., -64., -85., -270., -630};
+
+ Float_t etain[5]= {3.58, 1.94, 3.58, 1.94, 5.28};
+ Float_t etaout[6]={2.03, 1.51, 2.03, 1.51, 3.71};
+ // Float_t z[6]={64., 85., -64., -85., -270., -630};
+ Float_t z[6]={62.8, 75.2, -62.8, -75.2, -345.};
+ Float_t zDet=0.03;
+ Float_t zElectronic=0.1;
+ Float_t zSupport=1.;
+ /*
+ Float_t etain[6]= {3.3, 2.0, 3.3, 2.0, 4.5, 5.5};
+ Float_t etaout[6]={2.0, 1.6, 2.0, 1.6, 3.3, 4.5};
+ Float_t z[6]={64., 85., -64., -85., -240., -630};
Float_t zDet=0.04;
Float_t zElectronic=0.75;
Float_t zSupport=1.;
- Float_t zFMD=3.;
+ */
+
+ Float_t zFMD=1.;
//-------------------------------------------------------------------
// FMD
//------------------------------------------------------------------
AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0);
- gMC->Gsvolu("GFSI","TUBE", idtmed[1], par, 0);
+ // gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0);
gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0);
gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0);
- for (ifmd =0; ifmd < 6; ifmd++){
+ for (ifmd =0; ifmd < 5; ifmd++){
- sprintf(name,"FMD%d",ifmd);
- if (fDebug)
- printf("%s: %s",ClassName(),name);
+ sprintf(name,"FMD%d",ifmd+1);
+ sprintf(nameSi,"GSI%d",ifmd+1);
+ sprintf(nameSector,"GSC%d",ifmd+1);
+ sprintf(nameRing,"GRN%d",ifmd+1);
+ printf(name,nameSi);
zfmd=TMath::Abs(z[ifmd]);
- if (fDebug) printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
+ printf("zfmd %f z[ifmd] %f",zfmd,z[ifmd]);
AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]);
AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]);
par[1]=rout[ifmd];
par[2]=zFMD/2;
gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3);
+ // par[2]=zDet/2;
+ gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0);
- if (fDebug) printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
+ printf ("rin %f rout %f ZFMD %f\n",par[0],par[1],z[ifmd]);
if (z[ifmd] < 0){
gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");}
else {
//Silicon detector
par[2]=zDet/2;
zpos=zFMD/2 -par[2];
- gMC->Gsposp("GFSI",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+ gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+ cout<<" Si "<<nameSi<<" ifmd "<<ifmd<<" rin "<<par[0]<<" rout "<<par[1]<<
+ " zDet "<<par[2]<<endl;
+ //Granularity
+ cout<<"fSectorsSi1 "<<fSectorsSi1<<
+ " fRingsSi1 "<<fRingsSi1<<
+ " fSectorsSi2 "<<fSectorsSi2<<
+ " fRingsSi2 "<<fRingsSi2<<endl;
+ if(ifmd==1||ifmd==3)
+ {
+ gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2);
+ gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1);
+ }
+ else
+ {
+ gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2);
+ gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1);
+ }
//Plastic slice for electronics
par[2]=zElectronic/2;
par[0]=rout[ifmd]-2;
par[2]=zSupport/2;
zpos=zpos-zElectronic/2-par[2];
- gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
+ // gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3);
}
- //Silicon
-
-
-
}
+
+
//------------------------------------------------------------------------
void AliFMDv0::CreateMaterials()
{
//
AliMC* gMC=AliMC::GetMC();
AliFMD::Init();
-fIdSens1=gMC->VolId("GFSI");
+fIdSens1=gMC->VolId("GRN1");
+fIdSens2=gMC->VolId("GRN2");
+fIdSens3=gMC->VolId("GRN3");
+fIdSens4=gMC->VolId("GRN4");
+fIdSens5=gMC->VolId("GRN5");
if (fDebug) printf("*** FMD version 0 initialized ***\n");
}
//
// Called for every step in the Forward Multiplicity Detector
//
- Int_t id,copy;
- static Float_t hits[9];
- static Int_t vol[1];
- static Float_t de;
- TLorentzVector pos;
- TLorentzVector mom;
-
-
- TClonesArray &lhits = *fHits;
- AliMC* gMC=AliMC::GetMC();
- if(!gMC->IsTrackAlive()) return; // particle has disappeared
-
- Float_t charge = gMC->TrackCharge();
- if(TMath::Abs(charge)<=0.) return; //take only charged particles
-
- // ((TGeant3*)gMC)->Gpcxyz();
-
- id=gMC->CurrentVolID(copy);
-
-// Check the sensetive volume
- if(id==fIdSens1)
- {
- if(gMC->IsTrackEntering())
- {
- vol[0]=copy;
- gMC->TrackPosition(pos);
- hits[0]=pos[0];
- hits[1]=pos[1];
- hits[2]=pos[2];
-
- gMC->TrackMomentum(mom);
- hits[3]=mom[0];
- hits[4]=mom[1];
- hits[5]=mom[2];
-
- Int_t iPart= gMC->TrackPid();
- Int_t partId=gMC->IdFromPDG(iPart);
- hits[7]=partId;
- hits[8]=1e9*gMC->TrackTime();
- de=0.;
- }
- if(gMC->IsTrackInside()){
- de=de+1000.*gMC->Edep();
- }
-
- if(gMC->IsTrackExiting()
- ||gMC->IsTrackDisappeared()||
- gMC->IsTrackStop())
- {
- hits[6]=de+1000.*gMC->Edep();
- new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- } // IsTrackExiting()
- }
- }
+}