Grad Student Welcome Columbia - Sep 2001 1

The DØ Experiment at FermilabThe 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…

~106 electronics channels Currently taking Data !

Grad Student Welcome Columbia - Sep 2001 2

DØ at ColumbiaDØ at ColumbiaWe 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 2001 3

The Columbia DØ GroupThe Columbia DØ Group

Postdocs

Leslie Groer

Georg Steinbrück

Christos Leonidopoulos

StudentsChris Hays (grad 01)

Mingcheng GaoShaohua Fu

Burair KothariTulika Bose

Faculty

Mike Tuts Hal Evans John Parsons