The do RunII Detector Do Detector: Forward Mini-drift Central Scintillator Forward Scintilator Quarter r-z View: chambers ICD Shielding e SOLENOID (2n EC SVX New Solenoid, Tracking System Si, SciFi. Preshowers lectronics, Trig DAQ New for Run工: Retained from Run工: Magnetic Tracker: SMT, CFT, 2T Solenoid U/LAr Calorimeter Preshower Central Muon Detectors Forward Muon MI uon orol d Trigger DAQThe DØ RunII Detector New for Run II: •Magnetic Tracker: SMT, CFT, 2T Solenoid •Preshower •Forward Muon •Trigger & DAQ Retained from Run I: •U/LAr Calorimeter •Central Muon Detectors •Muon Toroid