Geometry Specifications for STAR TPC/iTPC Garfield Simulation

ParameterValue
Anode Wire Diameter 20 (μm)
Frisch Grid Wire Diameter 75 (μm)
Gating GridwWire Diameter 75 (μm)
Anode Wire Pitch 0.4 (cm)
Frisch Grid Wire Pitch 0.1 (cm)
Gating Grid Wire Pitch 0.1 (cm)
Inner Sector Anode Wire Pad Sep 0.2 (cm) AnodeWire-to-PadPlane distance
Inner Sector Frisch Grid Pad Sep 0.4 (cm) FrischGrid-to-PadPlane distance
Onner Sector Gating Grid Pad Sep 1 (cm) GatingGrid-to-PadPlane distance
Outer Sector Anode Wire Pad Sep 0.4 (cm) AnodeWire-to-PadPlane distance
Outer Sector Frisch Grid Pad Sep 0.8 (cm) FrischGrid-to-PadPlane distance
Outer Sector Gating Grid Pad Sep 1.4 (cm) GatingGrid-to-PadPlane distance
Num Inner Sector Anode Wires 170 (cm)
Num Inner Sector Frisch Grid Wires 681 (cm)
Num Inner Sector Gating Grid Wires 681 (cm)
First Inner Sector Anode Wire 53.2 (cm)
First Inner Sector Frisch Grid Wire 53 (cm)
First Inner Sector Gating Grid Wire 53 (cm)
Last Inner Sector Anode Wire 120.8 (cm)
Num Outer Sector Anode Wires 172 (cm)
NumOuter Sector Frisch Grid Wires 689 (cm)
Num Outer Sector Gating Grid Wires 689 (cm)
First Outer Sector Anode Wire 122.8 (cm)
First Outer Sector Frisch Grid Wire 122.59 (cm)
First Outer Sector Gating Grid Wire 122.59 (cm)
Last Outer Sector Anode Wire 191.19 (cm)
Field Wire Diameter 125 (μm)