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    Case study in dimensional deconstruction

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    Date Issued
    2002-06-01
    Publisher Version
    10.1103/PhysRevD.65.115001
    Author(s)
    Lane, Kenneth D.
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    Permanent Link
    https://hdl.handle.net/2144/40016
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    First author draft
    Citation (published version)
    K. Lane. 2002. "Case study in dimensional deconstruction." PHYSICAL REVIEW D, Volume 65, Issue 11, 11 pp. https://doi.org/10.1103/PhysRevD.65.115001
    Abstract
    We test dimensional deconstruction on a model of Arkani-Hamed, Cohen, and Georgi that is predicted to have a naturally light composite Higgs boson, i.e., one whose mass M is much less than its binding scale Λ, and whose quartic coupling λ is large, so that its vacuum expectation value v∼M/√λ≪Λ also. We consider two different underlying dynamics—UV completions—at the scale Λ for this model. We find that the expectation from dimensional deconstruction is not realized and that low-energy details depend crucially on the UV completion. In one case, M≪Λ and λ≪1; hence, v∼Λ. In the other, λ can be large or small, but then so is M, and v is still O(Λ).
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    ©2002 American Physical Society
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    • CAS: Physics: Scholarly Papers [356]
    • BU Open Access Articles [3730]

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