A New Custodian for a Realistic Higgsless Model

Details A New Custodian for a Realistic Higgsless Model A New Custodian for a Realistic Higgsless Model

2006-07-13

arxiv.org/abs/hep-ph/0607146v1

Phys.Rev.D75:015003,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 2 figures

Scientific paper

10.1103/PhysRevD.75.015003

We present an example of a realistic Higgsless model that makes use of alternative $SU(2)_R$ assignments for the top and bottom quarks recently proposed by Agashe et al. which results in an enhanced custodial symmetry. Using these new representat ions reduces the deviations in the $Zb_\ell\bar{b}_\ell$ coupling to $\sim 4%$ for a wide range of parameters, while this remaining correction can also be eliminated by varying the localization parameter (bulk mass) for $b_r$.

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