/*
$Log$
+Revision 1.12 2001/04/25 14:09:34 alla
+Curent bur fixed
+
Revision 1.11 2001/04/04 12:10:18 alla
changes according Coding Convension
Int_t *idtmed = fIdtmed->GetArray();
-
+
Int_t is;
Int_t idrotm[999];
Float_t x,y,z;
Float_t pstart[3]={4.5,10.7,5.3};
+ Float_t pinstart[3]={0.,1.3,5.25};
Float_t ppmt[3]={0.,1.3,3.5};
Float_t pdivider[3]={0.,1.2,1.75};
Float_t pdiv2[3]={0.,1.2,1.25};
Float_t pribber[3] = {0.,1.2,2.413/2.};
Float_t presist[3] = {0.,1.2,0.087/2.};
- Float_t zdet=75.;
+ Float_t zdetRight=69.7,zdetLeft=350;
//-------------------------------------------------------------------
// START volume
//-------------------------------------------------------------------
+ // Float_t theta=TMath::ATan(6.5/zdet);
+ Float_t thetaRight=(180./3.1415)*TMath::ATan(6.5/zdetRight);
+ Float_t thetaLeft=(180./3.1415)*TMath::ATan(6.5/zdetLeft);
AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
- gMC->Gsvolu("0STA","TUBE",idtmed[1],pstart,3);
- gMC->Gspos("0STA",1,"ALIC",0.,0.,zdet,0,"ONLY");
- gMC->Gspos("0STA",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
+
+ gMC->Gsvolu("0STR","TUBE",idtmed[1],pstart,3);
+ gMC->Gsvolu("0STL","TUBE",idtmed[1],pstart,3);
+ gMC->Gspos("0STR",1,"ALIC",0.,0.,zdetRight+pstart[2],0,"ONLY");
+ gMC->Gspos("0STL",1,"ALIC",0.,0.,-zdetLeft-pstart[2],idrotm[901],"ONLY");
//START interior
+ gMC->Gsvolu("0INS","TUBE",idtmed[1],pinstart,3);
gMC->Gsvolu("0PMT","TUBE",idtmed[3],ppmt,3);
gMC->Gsvolu("0DIV","TUBE",idtmed[3],pdivider,3);
Double_t dang1 = 2*TMath::Pi()/12;
for (is=1; is<=12; is++)
{
+ AliMatrix(idrotm[901+is],
+ 90.-thetaRight, 30.*is,
+ 90., 90.+30.*is,
+ thetaRight, 180.+30.*is);
x=6.5*TMath::Sin(is*dang1);
y=6.5*TMath::Cos(is*dang1);
- z=-pstart[2]+ppmt[2];
- gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
- printf("z PMT %f\n",z);
- z=z+ppmt[2]+pdiv2[2];
- printf(" is %d, z Divider %f\n",is,z);
- gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
+ z=-pstart[2]+pinstart[2];
+ gMC->Gspos("0INS",is,"0STR",x,y,z,idrotm[901+is],"ONLY");
+
+ }
+ for (is=1; is<=12; is++)
+ {
+ AliMatrix(idrotm[901+is],
+ 90.-thetaLeft, 30.*is,
+ 90., 90.+30.*is,
+ thetaLeft, 180.+30.*is);
+
+ x=6.5*TMath::Sin(is*dang1);
+ y=6.5*TMath::Cos(is*dang1);
+ z=-pstart[2]+pinstart[2];
+ gMC->Gspos("0INS",is,"0STL",x,y,z,idrotm[901+is],"ONLY");
+
}
+ x=0;
+ y=0;
+ z=-pinstart[2]+ppmt[2];
+ if(fDebug) printf("%s: is %d, z Divider %f\n",ClassName(),is,z);
+ gMC->Gspos("0PMT",1,"0INS",x,y,z,0,"ONLY");
+ z=pinstart[2]-pdivider[2];
+ gMC->Gspos("0DIV",1,"0INS",x,y,z,0,"ONLY");
+
/*
//second ring: 20 units of Scintillator+PMT+divider
Double_t dang2 = 2*TMath::Pi()/26;
x=9.3*TMath::Sin(dang2+(is-13)*dang3);
y=9.3*TMath::Cos(dang2+(is-13)*dang3);
z=-pstart[2]+ppmt[2];
- gMC->Gspos("0PMT",is,"0ST",x,y,z,0,"ONLY");
+ gMC->Gspos("0PMT",is,"0STA",x,y,z,0,"ONLY");
z=z+ppmt[2]+pdiv2[2];
- gMC->Gspos("0DI",is,"0ST",x,y,z,0,"ONLY");
+ gMC->Gspos("0DIV",is,"0STA",x,y,z,0,"ONLY");
}
*/
// PMT
// Entry window (glass)
- gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3);
- z=-ppmt[2]+ptop[2];
+ // gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3);
+ gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
+ z=-ppmt[2]+ptop[2];
gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
+
// Bottom glass
- gMC->Gsvolu("0BO","TUBE",idtmed[6],pbot,3);
+ gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3);
z=ppmt[2]-pbot[2];
- printf("Z bottom %f\n",z);
- gMC->Gspos("0BO",1,"0PMT",0,0,z,0,"ONLY");
+ if(fDebug) printf("%s: Z bottom %f\n",ClassName(),z);
+ gMC->Gspos("0BOT",1,"0PMT",0,0,z,0,"ONLY");
// Side cylinder glass
- gMC->Gsvolu("0UO","TUBE",idtmed[6],pglass,3);
+ gMC->Gsvolu("0OUT","TUBE",idtmed[6],pglass,3);
z=ppmt[2]-pglass[2];
// printf("Z glass %f\n",z);
- gMC->Gspos("0UO",1,"0PMT",0,0,z,0,"ONLY");
+ gMC->Gspos("0OUT",1,"0PMT",0,0,z,0,"ONLY");
//PMT electrodes support structure
- gMC->Gsvolu("0CE","TUBE",idtmed[4],pcer,3);
- gMC->Gsvolu("0IR","TUBE",idtmed[8],psteel,3);
+ gMC->Gsvolu("0CER","TUBE",idtmed[4],pcer,3);
+ gMC->Gsvolu("0STE","TUBE",idtmed[8],psteel,3);
z=-ppmt[2]+2*ptop[2]+0.3;;
// printf("Z Cer 1 %f\n",z);
for (is=1; is<=15; is++)
{
z=z+psteel[2]+pcer[2];
- gMC->Gspos("0CE",is,"0PMT",0,0,z,0,"ONLY");
+ gMC->Gspos("0CER",is,"0PMT",0,0,z,0,"ONLY");
z=z+psteel[2]+pcer[2];
- gMC->Gspos("0IR",is,"0PMT",0,0,z,0,"ONLY");
+ gMC->Gspos("0STE",is,"0PMT",0,0,z,0,"ONLY");
}
// Divider
// Knob at the bottom of PMT baloon
- gMC->Gsvolu("0OB","TUBE",idtmed[6],pknob,3);
+ gMC->Gsvolu("0NB","TUBE",idtmed[6],pknob,3);
z=-pdivider[2]+pknob[2];
// printf("zknob %f\n",z);
- gMC->Gspos("0OB",1,"0DIV",0,0,z,0,"ONLY");
+ gMC->Gspos("0NB",1,"0DIV",0,0,z,0,"ONLY");
gMC->Gsvolu("0KB","TUBE",idtmed[6],pknob_bot,3);
z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
- // printf("knobbot %f\n",z);
- gMC->Gspos("0KB",1,"0DIV",0,0,z,0,"ONLY");
- gMC->Gsvolu("0VA","TUBE",idtmed[6],pknob_vac,3);
+ // printf(knobbot %f\n",z);
+ gMC->Gspos("0KB",1,"0DIV ",0,0,z,0,"ONLY");
+ gMC->Gsvolu("0VAC","TUBE",idtmed[3],pknob_vac,3);
z=-pdivider[2]+pknob_vac[2];
// printf("knobvac %f\n",z);
- gMC->Gspos("0VA",1,"0DIV",0,0,z,0,"ONLY");
+ gMC->Gspos("0VAC",1,"0DIV",0,0,z,0,"ONLY");
//Steel pins + pin holes
- gMC->Gsvolu("0PI","TUBE",idtmed[8],ppins,3);
+ gMC->Gsvolu("0PIN","TUBE",idtmed[8],ppins,3);
z=-pdivider[2]+ppins[2];
- gMC->Gspos("0PI",1,"0DIV",0,0,z,0,"ONLY");
- gMC->Gsvolu("0HO","TUBE",idtmed[11],phole,3);
+ gMC->Gspos("0PIN",1,"0DIV",0,0,z,0,"ONLY");
+ gMC->Gsvolu("0HOL","TUBE",idtmed[11],phole,3);
z=-pdivider[2]+2*ppins[2]+phole[2];
- gMC->Gspos("0HO",1,"0DIV",0,0,z,0,"ONLY");
+ gMC->Gspos("0HOL",1,"0DIV",0,0,z,0,"ONLY");
//Socket
gMC->Gsvolu("0V1","TUBE",idtmed[4],pdiv1,3);
gMC->Gsvolu("0V2","TUBE",idtmed[1],pdiv2,3);
z=pdivider[2]-pdiv2[2];
gMC->Gspos("0V2",1,"0DIV",0,0,z,0,"ONLY");
- gMC->Gsvolu("0DR","TUBE",idtmed[4],presist,3);
+ gMC->Gsvolu("0RS","TUBE",idtmed[4],presist,3);
z=-pdiv2[2]+presist[2];
- gMC->Gspos("0DR",1,"0V2",0,0,z,0,"ONLY");
+ gMC->Gspos("0RS",1,"0V2",0,0,z,0,"ONLY");
gMC->Gsvolu("0RB","TUBE",idtmed[9],pribber,3);
z=pdiv2[2]-pribber[2];
gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
// printf("z DRIB %f\n",z);
-
+
}
+
+
+
+
//------------------------------------------------------------------------
void AliSTARTv0::CreateMaterials()
{
{
//
// Called for every step in the START Detector
- //
- Int_t id,copy,copy1;
- static Float_t hits[7];
- static Float_t edep;
- static Int_t vol[2];
- TLorentzVector pos;
-
- TClonesArray &lhits = *fHits;
-
- if(!gMC->IsTrackAlive()) return; // particle has disappeared
- Float_t charge = gMC->TrackCharge();
- if(TMath::Abs(charge)<=0.) return; //take only charged particles
- // gMC->Gpcxyz();
- id=gMC->CurrentVolID(copy);
-
-
- // printf("gMC->ckine->ipart %d",gMC->ckine->ipart);
- // Check the sensetive volume
- if(id==fIdSens1 ) {
- if(gMC->IsTrackEntering()) {
- gMC->CurrentVolOffID(2,copy);
- vol[0]=copy;
- gMC->CurrentVolOffID(1,copy1);
- vol[1]=copy1;
- gMC->TrackPosition(pos);
- hits[0] = pos[0];
- hits[1] = pos[1];
- hits[2] = pos[2];
- Float_t etot=gMC->Etot();
- hits[4]=etot;
- Int_t part= gMC->TrackPid();
- hits[5]=part;
- Float_t ttime=gMC->TrackTime();
- hits[6]=ttime*1e9;
- edep=0;
- }
- if(gMC->IsTrackInside()) {
- Float_t de=gMC->Edep();
- edep=edep+de;
- // printf ("E deposition %f\n",edep);
- // for (i=0; i<=6; i++){
- // printf(" HITS on START inside %f\n",hits[i]); }
- }
- if(gMC->IsTrackExiting()) {
- Float_t de=gMC->Edep();
- edep=edep+de;
- hits[3]=edep*1e3;
-
- // for (i=0; i<=6; i++){
- // printf(" HITS on START Exit %f\n",hits[i]); }
- //for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
-
- new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- }
- }
-//---------------------------------------------------------------------
+ // See AliSTARTv1
+
}
+//---------------------------------------------------------------------
+
Float_t pribber[3] = {0.,1.2,2.413/2.};
Float_t presist[3] = {0.,1.2,0.087/2.};
- Float_t zdetRight=69.7,zdetLeft=355.;
+ Float_t zdetRight=69.7,zdetLeft=350;
//-------------------------------------------------------------------
// START volume
//-------------------------------------------------------------------
// PMT
// Entry window (glass)
- gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3);
- z=-ppmt[2]+ptop[2];
+ gMC->Gsvolu("0TOP","TUBE",idtmed[6],ptop,3); //glass
+ // gMC->Gsvolu("0TOP","TUBE",idtmed[12],ptop,3); //lucite
+ z=-ppmt[2]+ptop[2];
gMC->Gspos("0TOP",1,"0PMT",0,0,z,0,"ONLY");
// printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
+
// Bottom glass
gMC->Gsvolu("0BOT","TUBE",idtmed[6],pbot,3);
z=ppmt[2]-pbot[2];
z=pdiv2[2]-pribber[2];
gMC->Gspos("0RB",1,"0V2",0,0,z,0,"ONLY");
// printf("z DRIB %f\n",z);
-
+
}
//------------------------------------------------------------------------
Float_t zscin[2]={1,6};
Float_t wscin[2]={1,1};
Float_t denscin=1.03;
-// PMT glass SiO2
+//Lucite C(CH3)CO2CH3
+ Float_t alucite[3]={1.01,12.01,15.999};
+ Float_t zlucite[3]={1,6,8};
+ Float_t wlucite[3]={8,5,2};
+ Float_t denlucite=1.16;
+ // PMT glass SiO2
Float_t aglass[2]={28.0855,15.9994};
Float_t zglass[2]={14.,8.};
Float_t wglass[2]={1.,2.};
AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
+ AliMixture( 8, "Lucite$",alucite,zlucite,denlucite,-3,wlucite);
AliMedium(1, "START Air$", 2, 0, isxfld, sxmgmx, 10., .1, 1., .003, .003);
AliMedium(8, "Steel$", 0, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001);
AliMedium(9, "Ribber $", 7, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
AliMedium(11, "Brass $", 6, 0, isxfld, sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(12, "Lucite$", 8, 1, isxfld, sxmgmx, 10., .01, 1., .003, .003);
+
if(fDebug) cout<<ClassName()<<": ++++++++++++++Medium set++++++++++"<<endl;
// geant3->Gsckov(idtmed[2105], 14, ppckov, absco_quarz, effic_all,rindex_quarz);
vol[1]=copy;
gMC->CurrentVolOffID(3,copy1);
vol[0]=copy1;
+
gMC->TrackPosition(pos);
hits[0] = pos[0];
hits[1] = pos[1];
hits[2] = pos[2];
+ if(pos[2]<0) vol[0]=2;
+ if(pos[2]>=0) vol[0]=1;
+
Float_t etot=gMC->Etot();
hits[4]=etot;
Int_t iPart= gMC->TrackPid();