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EICG4ZDCconstants.h
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1 
2 #ifndef EICG4ZDCconstants_h
3 #define EICG4ZDCconstants_h 1
4 
5 #include <Geant4/G4SystemOfUnits.hh>
6 
7 //Crystal Towers
8 constexpr G4int nCTowerX=20;
9 constexpr G4int nCTowerY=20;
10 constexpr G4int nCTowerZ=1;
11 constexpr G4double CTower_X = 3. *cm;
12 constexpr G4double CTower_Y = 3. *cm;
13 constexpr G4double CTower_Z = 7. *cm;
14 constexpr G4double CTower_GAP = 3. *cm;
15 
16 //MiniFoCal block
17 constexpr G4int NumberOfLayers = 22;
18 constexpr G4int NumberPIX = 2;
19 constexpr G4int NumberPAD = 20;
20 constexpr G4int NPadOnlyLayers=10;
21 
22 //=================================================================
23 //PIX detector
24 constexpr G4int NpixX = 200;
25 constexpr G4int NpixY = 200;
26 constexpr G4double PIX_X = 3.*mm; //changed from 0.1
27 constexpr G4double PIX_Y = 3.*mm; //changed from 0.1
28 constexpr G4double PIX_Z = 0.30*mm; //changed from 0.1
29 //Thicknesses
30 constexpr G4double PIX_Absorber_Z = 3.5*mm;
31 constexpr G4double PIX_Glue1_Z = 0.11*mm; //between W-Si
32 constexpr G4double PIX_Glue2_Z = 0.11*mm; //between Si+FPC
33 constexpr G4double PIX_FPC_Z = 0.28*mm; //Readout
34 constexpr G4double PIX_AirGap = 1.2*mm;
35 constexpr G4double PIX_Layer_Thickness = PIX_Absorber_Z + PIX_Glue1_Z + PIX_Z + PIX_Glue2_Z + PIX_FPC_Z + PIX_AirGap;
36 
37 //=================================================================
38 //PAD detector
39 constexpr G4int NpadX = 60;
40 constexpr G4int NpadY = 60;
41 constexpr G4double PAD_X = 10.0*mm;
42 constexpr G4double PAD_Y = 10.0*mm;
43 constexpr G4double PAD_Z = 0.32*mm;
44 //Overall materials
45 //Thicknesses
46 constexpr G4double PAD_Absorber_Z = 3.5*mm;
47 constexpr G4double PAD_Glue1_Z = 0.11*mm; //between W-Si
48 constexpr G4double PAD_Glue2_Z = 0.13*mm; //between Si+FPC
49 constexpr G4double PAD_FPC_Z = 0.28*mm;
50 constexpr G4double PAD_AirGap = 1.0*mm;
51 constexpr G4double PAD_Layer_Thickness = PAD_Absorber_Z + PAD_Glue1_Z + PAD_Z + PAD_Glue2_Z + PAD_FPC_Z + PAD_AirGap;
52 
53 //=================================================================
54 // Focal-H parameters
55 //=================================================================
56 //Dimentions of the detector
57 constexpr G4double HCAL_Z_Absorber = 30.0*mm;
58 constexpr G4double HCAL_Z_Scintillator = 2*mm;
59 constexpr G4double HCAL_Z_Gap = 0.0013*mm;
60 constexpr G4double HCal_Layer_Thickness = HCAL_Z_Absorber + HCAL_Z_Scintillator + HCAL_Z_Gap;
61 
62 constexpr G4int HCALSiNumberOfLayers = 12;
63 constexpr G4double HCal_Si_Layer_Thickness = HCAL_Z_Absorber + PAD_Glue1_Z + PAD_Z + PAD_Glue2_Z + PAD_FPC_Z + PAD_AirGap;
64 
65 constexpr G4int HCALSciNumberOfLayers = 30;
66 constexpr G4int HCALNumberOfTowersX = 6;
67 constexpr G4int HCALNumberOfTowersY = 6;
68 constexpr G4int HCALNumberOfTowersZ = 2;
69 constexpr G4int NLayersHCALTower = HCALSciNumberOfLayers / HCALNumberOfTowersZ;
70 
71 constexpr G4double HCAL_X_Tower = 100.0*mm; //25mm -> 10cm
72 constexpr G4double HCAL_Y_Tower = 100.0*mm;
73 constexpr G4double HCAL_Tower_Gap = 20. *mm;
74 
75 #endif