Study of anomalous ZZγ and Zγγ couplings at LEP

Acciarri, M. ; Achard, P. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1998) Study of anomalous ZZγ and Zγγ couplings at LEP Physics Letters B, 436 (1-2). pp. 187-198. ISSN 0370-2693

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0370-2693(98)00883-1

Abstract

We search for anomalous ZZγ and Zγγ couplings with the L3 detector at LEP. The analysis is based on the study of the process e+e+→Zγat center-of-mass energies in the range 161 GeV < √s <183 GeV. No evidence for anomalous effects is found. Limits at the 95% confidence level are set on the values of the eight possible anomalous couplings. Depending on the type of coupling new physics scales below 213 GeV to 1083 GeV are excluded.

Item Type:Article
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ID Code:84313
Deposited On:25 Feb 2012 05:30
Last Modified:25 Feb 2012 05:30

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