-
- // Initialization of GEANT3 geometry parameters
- fXtlSize[0]=2.2;
- fXtlSize[1]=18.0;
- fXtlSize[2]=2.2;
-
- fWrapThickness=0.01;
-
- fPINSize[0]=1.0;
- fPINSize[1]=0.1;
- fPINSize[2]=1.0;
-
- fCPVThickness=1.0;
-
- fPHOSFoam[0]=214.6;
- fPHOSFoam[1]=80.0;
- fPHOSFoam[2]=260.0;
-
- fPHOStxwall[0]=209.0;
- fPHOStxwall[1]=71.0;
- fPHOStxwall[2]=250.0;
-
- fPHOSAir[0]=206.0;
- fPHOSAir[1]=66.0;
- fPHOSAir[2]=244.0;
-
- fRadius[0]=447.0;
- fRadius[1]=460.0;
-
- fPHOSextra[0]=0.005; // Titanium cover thickness
- fPHOSextra[1]=6.95; // Crystal support height
- fPHOSextra[2]=4.0; // Thermo Insulating outer cover Upper plate thickness
- fPHOSextra[3]=5.0; // Upper Polystyrene Foam plate thickness
- fPHOSextra[4]=2.0; // Thermo insulating Crystal Block wall thickness
- fPHOSextra[5]=0.06; // Upper Cooling Plate thickness
- fPHOSextra[6]=10.0; // Al Support Plate thickness
- fPHOSextra[7]=3.0; // Lower Thermo Insulating Plate thickness
- fPHOSextra[8]=1.0; // Lower Textolit Plate thickness
- fPHOSextra[9]=0.03; // 1/2 total gap between adjacent crystals
-
- fNphi=88;
- fNz=104;
-
- fNModules=4;
-
- fPHOSAngle[0]=0.0; // Module position angles are set in CreateGeometry()
- fPHOSAngle[1]=0.0;
- fPHOSAngle[2]=0.0;
- fPHOSAngle[3]=0.0;
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-void AliPHOSv2::Init(void)
-{
-
- Int_t i;
-
- printf("\n");
- for(i=0;i<35;i++) printf("*");
- printf(" PHOS_INIT ");
- for(i=0;i<35;i++) printf("*");
- printf("\n");
-
- // Here the PHOS initialisation code (if any!)
- for(i=0;i<80;i++) printf("*");
- printf("\n");
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-void AliPHOSv2::BuildGeometry()
-{
-
- // Stolen completely from A. Zvyagine
-
- TNode *Node, *Top;
-
- const int kColorPHOS = kRed;
-
- Top=gAlice->GetGeometry()->GetNode("alice");
-
- // PHOS
- Float_t pphi=12.9399462;
- new TRotMatrix("rot988","rot988",90,-3*pphi,90,90-3*pphi,0,0);
- new TRotMatrix("rot989","rot989",90,- pphi,90,90- pphi,0,0);
- new TRotMatrix("rot990","rot990",90, pphi,90,90+ pphi,0,0);
- new TRotMatrix("rot991","rot991",90, 3*pphi,90,90+3*pphi,0,0);
- new TBRIK("S_PHOS","PHOS box","void",107.3,40,130);
- Top->cd();
- Node=new TNode("PHOS1","PHOS1","S_PHOS",-317.824921,-395.014343,0,"rot988");
- Node->SetLineColor(kColorPHOS);
- fNodes->Add(Node);
- Top->cd();
- Node=new TNode("PHOS2","PHOS2","S_PHOS",-113.532333,-494.124908,0,"rot989");
- fNodes->Add(Node);
- Node->SetLineColor(kColorPHOS);
- Top->cd();
- Node=new TNode("PHOS3","PHOS3","S_PHOS", 113.532333,-494.124908,0,"rot990");
- Node->SetLineColor(kColorPHOS);
- fNodes->Add(Node);
- Top->cd();
- Node=new TNode("PHOS4","PHOS4","S_PHOS", 317.824921,-395.014343,0,"rot991");
- Node->SetLineColor(kColorPHOS);
- fNodes->Add(Node);
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-void AliPHOSv2::CreateMaterials()
-{
-
- // DEFINITION OF AVAILABLE PHOS MATERIALS
-
- AliMC* pMC=AliMC::GetMC();
-
- Int_t ISXFLD=gAlice->Field()->Integ();
- Float_t SXMGMX=gAlice->Field()->Max();
-
- // --- The PbWO4 crystals ---
- Float_t AX[3]={207.19, 183.85, 16.0};
- Float_t ZX[3]={82.0, 74.0, 8.0};
- Float_t WX[3]={1.0, 1.0, 4.0};
- Float_t DX=8.28;
-
- // --- Titanium ---
- Float_t ATIT[3]={47.88, 26.98, 54.94};
- Float_t ZTIT[3]={22.0, 13.0, 25.0};
- Float_t WTIT[3]={69.0, 6.0, 1.0};
- Float_t DTIT=4.5;
-
- // --- The polysterene scintillator (CH) ---
- Float_t AP[2]={12.011, 1.00794};
- Float_t ZP[2]={6.0, 1.0};
- Float_t WP[2]={1.0, 1.0};
- Float_t DP=1.032;
-
- // --- Tyvek (CnH2n) ---
- Float_t AT[2]={12.011, 1.00794};
- Float_t ZT[2]={6.0, 1.0};
- Float_t WT[2]={1.0, 2.0};
- Float_t DT=0.331;
-
- // --- Polystyrene foam ---
- Float_t AF[2]={12.011, 1.00794};
- Float_t ZF[2]={6.0, 1.0};
- Float_t WF[2]={1.0, 1.0};
- Float_t DF=0.12;
-
- // --- Foam thermo insulation ---
- Float_t ATI[2]={12.011, 1.00794};
- Float_t ZTI[2]={6.0, 1.0};
- Float_t WTI[2]={1.0, 1.0};
- Float_t DTI=0.1;
-
- // --- Textolit ---
- Float_t ATX[4]={16.0, 28.09, 12.011, 1.00794};
- Float_t ZTX[4]={8.0, 14.0, 6.0, 1.0};
- Float_t WTX[4]={292.0, 68.0, 462.0, 736.0};
- Float_t DTX=1.75;
-
- Int_t *idtmed = fIdtmed->GetArray()-699;
-
- AliMixture(0, "PbWO4$", AX, ZX, DX, -3, WX);
- AliMixture(1, "Polystyrene$", AP, ZP, DP, -2, WP);
- AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0);
- // --- Absorption length^ is ignored ---
- AliMixture(3, "Tyvek$", AT, ZT, DT, -2, WT);
- AliMixture(4, "Foam$", AF, ZF, DF, -2, WF);
- AliMixture(5, "Titanium$", ATIT, ZTIT, DTIT, -3, WTIT);
- AliMaterial(6, "Si$", 28.09, 14., 2.33, 9.36, 42.3, 0, 0);
- AliMixture(7, "Thermo Insul.$", ATI, ZTI, DTI, -2, WTI);
- AliMixture(8, "Textolit$", ATX, ZTX, DTX, -4, WTX);
- AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0);
-
- AliMedium(0, "PHOS Xtal $", 0, 1,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0);
- AliMedium(1, "CPV scint. $", 1, 1,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0);
- AliMedium(2, "Al parts $", 2, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0);
- AliMedium(3, "Tyvek wrapper$", 3, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0);
- AliMedium(4, "Polyst. foam $", 4, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0);
- AliMedium(5, "Titan. cover $", 5, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0);
- AliMedium(6, "Si PIN $", 6, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0);
- AliMedium(7, "Thermo Insul.$", 7, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0);
- AliMedium(8, "Textolit $", 8, 0,
- ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0);
- AliMedium(99, "Air $", 99, 0,
- ISXFLD, SXMGMX, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0);
-
- // --- Set decent energy thresholds for gamma and electron tracking
- pMC->Gstpar(idtmed[699],"CUTGAM",0.5E-4);
- pMC->Gstpar(idtmed[699],"CUTELE",1.0E-4);
- // --- Generate explicitly delta rays in the titan cover ---
- pMC->Gstpar(idtmed[704],"LOSS",3.);
- pMC->Gstpar(idtmed[704],"DRAY",1.);
- // --- and in aluminium parts ---
- pMC->Gstpar(idtmed[701],"LOSS",3.);
- pMC->Gstpar(idtmed[701],"DRAY",1.);
-
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-void AliPHOSv2::CreateGeometry()
-{
-
- AliMC* pMC = AliMC::GetMC();
-
- AliPHOSv2 *PHOS_tmp = (AliPHOSv2*)gAlice->GetModule("PHOS");
- if(PHOS_tmp==NULL){
-
- fprintf(stderr,"PHOS detector not found!\n");
- return;
-