Search for extra gauge bosons in Little Higgs models at a linear collider

Abstract

A generic feature of little Higgs models is presence of extra neutral gauge bosons. In the littlest Higgs model, the neutral extra gauge boson AH is lightest among the extra particles and could be as light as a few hundred GeV, which may be produced directly at an e+ e- linear collider. We study production and decay of AH at the linear collider and compare them with those of Z' bosons in supersymmetric E6 models.

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