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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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.

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Deposited On:25 Feb 2012 05:30
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