The D

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The DØ Experiment at Fermilab

• Fermilab Tevatron near Chicago
• p? collisions at ?s 2 TeV
• 4 miles circumference
• gt1000 supercond. magnets
• New run began Mar 2001
• Worlds 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
• 106 electronics channels
• Currently taking Data !

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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

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The Columbia DØ Group
Faculty
Mike Tuts
Hal Evans
John Parsons

• Postdocs
• Leslie Groer
• Georg Steinbrück
• Christos Leonidopoulos

• Students
• Chris Hays (grad 01)
• Mingcheng Gao
• Shaohua Fu
• Burair Kothari
• Tulika Bose