Journal article
Search for single-top production in ep collisions at HERA
Physics letters. B, Vol.559(3-4), pp.153-170
05/01/2003
DOI: 10.1016/S0370-2693(03)00333-2
Abstract
A search for single-top production, ep --> et X, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb(-1). Events from both the leptonic and hadronic decay channels of the W boson resulting from the decay of the top quark were sought. For the leptonic mode, the search was made for events with isolated high-energy leptons and significant missing transverse momentum. For the hadronic decay mode, three-jet events in which two of the jets had an invariant mass consistent with that of the W were selected. No evidence for top production was found. The results are used to constrain single-top production via flavour-changing neutral current (FCNC) transitions. The ZEUS limit excludes a substantial region in the FCNC tugamma coupling not ruled out by other experiments. (C) 2003 Published by Elsevier Science B.V.
Details
- Title: Subtitle
- Search for single-top production in ep collisions at HERA
- Creators
- ZEUS CollaborationJ Repond (Contributor)
- Resource Type
- Journal article
- Publication Details
- Physics letters. B, Vol.559(3-4), pp.153-170
- Publisher
- Elsevier
- DOI
- 10.1016/S0370-2693(03)00333-2
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Number of pages
- 18
- Language
- English
- Date published
- 05/01/2003
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627226902771
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