Single Top production at CMS

Details Single Top production at CMS Single Top production at CMS

2011-10-11

arxiv.org/abs/1110.2374v1

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures, Proceedings of the DPF-2011 Conference, Providence, RI, August 8-13, 2011

Scientific paper

A first measurement of the cross section of single top quark production in the t channel in pp collision at sqrt(s)=7 TeV is presented. The measurement is performed on a data sample corresponding to an integrated luminosity of 35.9 pb^-1 recorded at the LHC with the CMS detector. Leptonic decay channels with an electron or a muon in the final state are considered. After a selection optimized for the t-channel mode, two different and complementary analyses have been performed. Both analyses confirm the Tevatron's observation of single top, and their combination measures a cross section of sigma = 83.6 +/- 29.8(stat.+syst.) +/- 3.3 (lumi.) pb, which is consistent with the Standard Model prediction.

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