Single top quark production and Vtb at the Tevatron

Details Single top quark production and Vtb at the Tevatron Single top quark production and Vtb at the Tevatron

2010-09-28

arxiv.org/abs/1009.5629v1

Physics

High Energy Physics

High Energy Physics - Experiment

Presented at 22nd Rencontres de Blois on Particle Physics and Cosmology

Scientific paper

Single top quark production via the electroweak interaction was observed by the D0 and CDF collaborations at the Tevatron proton-antiproton collider at Fermilab. Multivariate analysis techniques are employed to extract the small single top quark signal. The combined Tevatron cross section is 2.76^+0.58_-0.47 pb. This corresponds to a lower limit on the CKM matrix element |Vtb| of 0.77. Also reported are measurements of the t-channel cross section, the top quark polarization in single top quark events, and limits on gluon-quark flavor-changing neutral currents and W' boson production.

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