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Search for single top quark production via contact interactions at LEP2

Abstract: Single top quark production via four-fermion contact interactions associated to flavour-changing neutral currents was searched for in data taken by the DELPHI detector at LEP2. The data were accumulated at centre-ofmass energies ranging from 189 to 209 GeV, with an integrated luminosity of 598.1 pb?1. No evidence for a signal was found. Limits on the energy scale ?, were set for scalar-, vector- and tensor-like coupling scenarios.

Authorship: Abdallah J., Abreu P., Adam W., Adzic P., Albrecht T., Alemany-Fernandez R., Allmendinger T., Allport P.P., Amaldi U., Amapane N., Amato S., Anashkin E., Andreazza A., Andringa S., Anjos N., Antilogus P., Apel W.D., Arnoud Y., Ask S., Asman B., Augustin J.E., Augustinus A., Baillon P., Ballestrero A., Bambade P., Barbier R., Bardin D., Barker G.J., Baroncelli A., Battaglia M., Baubillier M., Becks K.H., Begalli M., Behrmann A.,

Fuente: European Physical Journal C, 2011, 71, 1555

Publisher: Springer New York LLC

Year of publication: 2011

No. of pages: 13

Publication type: Article

DOI: 10.1140/epjc/s10052-011-1555-z

ISSN: 1434-6044,1434-6052

Spanish project: AEN99-0950

Publication Url: https://doi.org/10.1140/epjc/s10052-011-1555-z

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