A Hybrid Higgs

Details A Hybrid Higgs A Hybrid Higgs

2010-05-05

arxiv.org/abs/1005.0841v3

JHEP 1103:113,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

56 pages, 7 figures, v2: discussion on FCNCs and references added, v3: JHEP version

Scientific paper

10.1007/JHEP03(2011)113

We construct composite Higgs models admitting a weakly coupled Seiberg dual description. We focus on the possibility that only the up-type Higgs is an elementary field, while the down-type Higgs arises as a composite hadron. The model, based on a confining SQCD theory, breaks supersymmetry and electroweak symmetry dynamically and calculably. This simultaneously solves the \mu/B_\mu problem and explains the smallness of the bottom and tau masses compared to the top mass. The proposal is then applied to a class of models where the same confining dynamics is used to generate the Standard Model flavor hierarchy by quark and lepton compositeness. This provides a unified framework for flavor, supersymmetry breaking and electroweak physics. The weakly coupled dual is used to explicitly compute the MSSM parameters in terms of a few microscopic couplings, giving interesting relations between the electroweak and soft parameters. The RG evolution down to the TeV scale is obtained and salient phenomenological predictions of this class of "single-sector" models are discussed.

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