Bulletin of the American Physical Society
APS April Meeting 2012
Volume 57, Number 3
Saturday–Tuesday, March 31–April 3 2012; Atlanta, Georgia
Session H2: Invited Session: The Top Quark |
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Sponsoring Units: DPF Chair: Craig Group, The University of Virginia and Fermi Accelerator National Laboratory Room: Regency Ballroom V |
Sunday, April 1, 2012 10:45AM - 11:21AM |
H2.00001: Top Quark Physics and Precision Electroweak Measurements at the Tevatron Invited Speaker: Robert Kehoe Studies of the properties and production of the top quark and of the W and Z gauge bosons provide several important tests of the standard model of particle physics. We present recent measurements by the D0 and CDF experiments at the Fermilab Tevatron of the production of the top quark in ppbar collisions at 1.96 TeV. We also describe new measurements of the top quark mass and other properties such as spin correlations and the forward-backward asymmetry in ttbar production. Precise measurements of the W and Z bosons include those of the W boson mass, production of gauge boson pairs, and the dilepton forward-backward asymmetry and $p_T$ in Z boson events. We present updates to several of these studies. We also update the combined Tevatron constraints on the standard model Higgs boson mass arising from these measurements. [Preview Abstract] |
Sunday, April 1, 2012 11:21AM - 11:57AM |
H2.00002: Results from the LHC on the top quark Invited Speaker: Meenakshi Narain This presentation will report on the measurements of top quark properties performed by the ATLAS and CMS experiments using a large sample of top quarks collected during 2011 by the LHC. These measurements provide a comprehensive picture of top physics. Top-quark measurements are of central importance to the LHC physics program, in its own right and as the dominant background to many searches for exotic phenomena. The top quark is the by far the heaviest known fundamental particle. It decays before forming bound states (hadrons), thus providing a unique opportunity to study a bare quark. Deviations in its properties from standard model predictions may indicate new physics. [Preview Abstract] |
Sunday, April 1, 2012 11:57AM - 12:33PM |
H2.00003: Theoretical remarks on top quark physics Invited Speaker: Zack Sullivan I will present a theoretical overview of top quark physics. I will discuss the status of theoretical descriptions of top quark production and decay at hadron colliders, with an emphasis on recent theoretical improvements. In addition, I will describe the use of top quarks as tools for probing new dynamics and states. [Preview Abstract] |
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