Spectrometer

Spectrometer Design†

layout†

Performance†

• acceptance: 60% (for D*-)

• resolution: Δp/p=0.2% at ~5 GeV/c

Background Study†

Detector R&D†

Ring Imaging Cherenkov Counter (RICH)†

Scitillating Fiber Tracker (SFT)†

Barrel Drift Chamber (BDC)†

• BDC: Wiring Snap shot

Movie(3gp, 217.904 MB)

• BDC: Wire Tension Measurement

Setup (PC,Tension Checker,Oscilloscope,External Magnet)

Cabling (Drive+Sense,Reference)

Cabling (Return)

• BDC: Wire Repair -> how to repair