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Our physics activities focus on searches for new physics and measurements of ttbar the top quark cross-section and other SM processes. Searches are underway for gluinos which have come to rest in the calorimeter and decay during empty bunch crossings, excess like-sign leptons, a 4th generation quark, R-Parity violating Supersymmetry, light pseudoscalar Higgs in the NMSSM, long-lived particles in Hidden Valley models, and "lepton-jets". And we We will measure ttbar also measure the production of top quark pair production in the b+MET+bb jets final-state, which is also a background to many SUSY searches. Many tools are developed for use in these analyses, and for use by the collaboration as a whole, such as an algorithm which matches clusters of tracks with jets in the calorimeter, studies of jet calibration, b-tagging, b-jet triggering, and b/c-jet separation. SLAC is a Tier2 computing facility, and provides strong support for data analysis and simulation efforts.
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