Search for single top quark production at LEP2

Bailey, Ian Richard and Kartvelishvili, Vakhtang (2001) Search for single top quark production at LEP2. Physics Letters B, 521 (3-4). pp. 181-194. ISSN 0370-2693

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Abstract

A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e− collider LEP. Approximately 600 pb−1 of data collected at √s = 189–209 GeV were used to search for the FCNC process e+e−→tc(u)→bWc(u). This analysis is sensitive to the leptonic and the hadronic decay modes of the W boson. No evidence for a FCNC process is observed. Upper limits at the 95% confidence level on the single top production cross-section as a function of the centre-of-mass energy are derived. Limits on the anomalous coupling parameters κγ and κZ are determined from these results.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
82933
Deposited By:
Deposited On:
16 Nov 2016 11:26
Refereed?:
Yes
Published?:
Published
Last Modified:
28 Jun 2020 03:25