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    The light composite Higgs boson in strong extended technicolor

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    This article is distributed under the terms of the Creative Commons Attribution 4.0 International License
    Date Issued
    2017-06-26
    Publisher Version
    10.1007/JHEP06(2017)140
    Author(s)
    Lane, Kenneth D.
    Pritchett, Lukas
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    Permanent Link
    https://hdl.handle.net/2144/40017
    Version
    First author draft
    Citation (published version)
    Kenneth Lane, Lukas Pritchett. 2017. "The light composite Higgs boson in strong extended technicolor." JOURNAL OF HIGH ENERGY PHYSICS, Issue 6, 22 pp. https://doi.org/10.1007/JHEP06(2017)140
    Abstract
    This paper extends an earlier one describing the Higgs boson H as a light composite scalar in a strong extended technicolor model of electroweak symmetry breaking. The Higgs mass M H is made much smaller than ΛETC by tuning the ETC coupling very close to the critical value for electroweak symmetry breaking. The technicolor interaction, neglected in the earlier paper, is considered here. Its weakness relative to extended technicolor is essential to understanding the lightness of H compared to the low-lying spin-one technihadrons. Technicolor cannot be completely ignored, but implementing technigluon exchange together with strong extended technicolor appears difficult. We propose a solution that turns out to leave the results of the earlier paper essentially unchanged. An argument is then presented that masses of the spin-one technifermion bound states, ρ H and a H , are much larger than M H and, plausibly, controlled by technicolor. Assuming M ρH and M aH are in the TeV-energy region, we identify ρ H and a H with the diboson excesses observed near 2 TeV by ATLAS and CMS in LHC Run 1 data, and we discuss their phenomenology for Runs 2 and 3.
    Rights
    This article is distributed under the terms of the Creative Commons Attribution 4.0 International License
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    • CAS: Physics: Scholarly Papers [414]
    • BU Open Access Articles [4751]


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