Wilson, Graham WallaceOPAL CollaborationAbbiendi, G.Ainsley, C.Åkesson, P. F.Alexander, G.Allison, J.Anagnostou, G.Anderson, K. J.Arcelli, S.Asai, S.Axen, D.Azuelos, G.Bailey, I.2015-05-062015-05-062001-11-29Abbiendi, G. et al. (2001). "Search for single top quark production at LEP2." Physics Letters B, 521(3-4)181-194. http://www.dx.doi.org/10.1016/S0370-2693(01)01195-9.https://hdl.handle.net/1808/17632A 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 –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 κ(γ) and κ(Z) are determined from these results.This article is published under a Creative Commons Attribution License by Elsevier and available electronically from http://www.sciencedirect.com/science/article/pii/S0370269301011959.http://creativecommons.org/licenses/by/3.0/Article10.1016/S0370-2693(01)01195-9openAccess