Grad Student Welcome Columbia - Sep The DØ Experiment at Fermilab Fermilab Tevatron near Chicago p collisions at s ~ 2 TeV ~4 miles circumference >1000 supercond. magnets New run began Mar 2001 World’s highest E accel. The DØ Experiment ~500 phys. – 17 countries Large: ~10m x 10m x 10m Complex Detector silicon, scint. fibers, superconducting solenoid, liquid argon… ~10 6 electronics channels Currently taking Data !
Grad Student Welcome Columbia - Sep DØ at Columbia We build interesting things Calorimeter Electronics analog pipelines signal shaping Muon Trigger (L2) digital signal processors field program. gate arrays real time algorithms Silicon Tracking Trigger (L2) pioneering project reconstruction of tracks in real time Future Projects calorimeter trigger? … To answer basic questions Why is there more matter than antimatter? CP violation in the B system Why do particles have mass? Higgs discovery How is Electro-Weak symmetry broken? Higgs, top, precision meas… What is beyond the standard model? SUSY, technicolor, string theories…
Grad Student Welcome Columbia - Sep The Columbia DØ Group Postdocs Leslie Groer Georg Steinbrück Christos Leonidopoulos Students Chris Hays (grad 01) Mingcheng Gao Shaohua Fu Burair Kothari Tulika Bose Faculty Mike TutsHal EvansJohn Parsons