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arXiv:hep-ph/9908254·v1·High Energy Physics — Phenomenology

Bosonic Quartic Couplings at LEP2

G. Belanger🇫🇷 · F. Boudjema🇫🇷 · Y. Kurihara🇯🇵 · D. Perret-Gallix🇫🇷 · A. Semenov🇷🇺

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Abstract

We list the set of C and P conserving anomalous quartic vector bosons self-couplings which can be tested at LEP2 through triple vector boson production. We show how this set can be embedded in manifestly SU(2)xU(1) gauge invariant operators exhibiting an SU(2)_c global symmetry. We derive bounds on these various couplings and show the most relevant distributions that can enhance their contribution. We also find that an e+e- collider running at 500 GeV can improve the LEP2 limits by as much as three orders of magnitude.

Comments: 21 pages, 7 figures

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