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125 GeV Higgs as a pseudo-Goldstone boson in supersymmetry with vector-like matters

By Kyu Jung Bae, Tae Hyun Jung and Hyung Do Kim

Abstract

We propose a possibility of the 125 GeV Higgs being a pseudo-Goldstone boson in supersymmetry with extra vector-like fermions. Higgs mass is obtained from loops of top quark and vector-like fermions from the global symmetry breaking scale f at around TeV. The mu, Bmu/mu \sim f are generated from the dynamics of global symmetry breaking and the Higgs quartic coupling vanishes at f as tan beta \simeq 1. The relation of msoft \sim $4\pi M_Z$ with f \sim mu \sim m_soft \sim TeV is obtained and large mu does not cause a fine tuning for the electroweak symmetry breaking. The Higgs to di-photon rate can be enhanced from the loop of uncolored vector-like matters. The stability problem of Higgs potential with vector-like fermions can be nicely cured by the UV completion with the Goldstone picture.Comment: 28 pages, 8 figure

Topics: High Energy Physics - Phenomenology
Year: 2012
DOI identifier: 10.1103/PhysRevD.87.015014
OAI identifier: oai:arXiv.org:1208.3748

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