### Session X11: Top II

1:30 PM–3:18 PM, Tuesday, April 15, 2008
Hyatt Regency St. Louis Riverfront (formerly Adam's Mark Hotel), Room: St. Louis B

Chair: Amnon Harel, University of Rochester

Abstract ID: BAPS.2008.APR.X11.6

### Abstract: X11.00006 : Search for single top quark production at CDF using a matrix element method

2:30 PM–2:42 PM

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#### Author:

Peter Dong
(University of California, Los Angeles)

We present recent results from searches for single-top-quark production using 2 fb$^{-1}$ of data accumulated with the CDF detector at the Fermilab Tevatron. We select events with one charged lepton, large missing transverse energy, and two jets, where one jet is identified as a b-quark jet using displaced secondary-vertex information from the CDF silicon detector. We employ a matrix-element analysis technique and a neural-network jet-flavor separator to improve separation of signal and background and greatly improve the sensitivity of our search.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2008.APR.X11.6