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Probing anomalous quartic couplings ineγ and γγ colliders

2001/05/22 by O. J. P. Éboli, O. J. P. Eboli, J. K. Mizukoshi · 1 citation
Physics and Astronomy · #Particle physics theoretical and experimental studies #Physics of Superconductivity and Magnetism #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevd.64.075011

published as Phys.Rev. D64 (2001) 075011 · Revtex, 18 pages, 6 figures

arxiv created 2001/05/22 · openalex publication_date 2001/09/10 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We analyze the potential of the e+e^\ensuremath- linear colliders, operating in the e\ensuremathγ and \ensuremathγ\ensuremathγ modes, to probe anomalous quartic vector-boson interactions through the multiple production of W's and Z's. We examine all SU(2)L\ensuremath\bigotimesU(1)Y chiral operators of order p4 that lead to new four-gauge-boson interactions but do not alter trilinear vertices. We show that the e\ensuremathγ and \ensuremathγ\ensuremathγ modes are able not only to establish the existence of a strongly interacting symmetry breaking sector but also to probe for anomalous quartic couplings of the order of 10^\ensuremath-2 at 90% C.L. Moreover, the information gathered in the e\ensuremathγ mode can be used to reduce the ambiguities of the e+e^\ensuremath- mode.

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