Search for single-top production with the ZEUS detector at HERA

Details Search for single-top production with the ZEUS detector at HERA Search for single-top production with the ZEUS detector at HERA

2003-08-23

arxiv.org/abs/hep-ex/0308058v1

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 2 figures, 1 table, talk presented at DIS 2003, April 23-27, St. Petersburg, Russia

Scientific paper

A search for anomalous single-top production, ep -> etX, t -> Wb, has been made with the ZEUS detector at HERA using an integrated luminosity of 130 pb^-1. No evidence for top-quark production was found in either the leptonic or the hadronic decay channel of the W boson. The resulting constraints on single-top production via quark-flavour changing neutral current (FCNC) transitions exclude a substantial region in the FCNC t-u-gamma coupling not ruled out by other experiments.

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