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    NLO corrections to double Higgs boson production in the Higgs singlet model

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    LewisL_2015.pdf (1.749Mb)
    Issue Date
    2015-11-20
    Author
    Dawson, S.
    Lewis, Ian M.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2015 American Physical Society
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    Abstract
    Higgs pair production at the LHC from gluon fusion is small in the Standard Model but can be enhanced in models where a resonant enhancement is allowed. We examine the effect of a resonant contribution from a second scalar arising in a model with a gauge singlet scalar field in addition to the usual SU(2) scalar doublet, with mass up to MH∼600  GeV, and discuss the interference effects in double Higgs production. The interference effects distort the double Higgs invariant mass distributions and, depending on MH, can enhance the total cross section by up to ∼20% or decrease by ∼30% for viable mixing parameters. We compute the next-to-leading-order QCD corrections in the large mt limit. The corrections are large and can also significantly distort kinematic distributions near the resonance peak.
    URI
    http://hdl.handle.net/1808/22146
    DOI
    https://doi.org/10.1103/PhysRevD.92.094023
    Collections
    • Physics and Astronomy Scholarly Works [1535]
    Citation
    Dawson, S., & Lewis, I. M. (2015). NLO corrections to double Higgs boson production in the Higgs singlet model. Phys. Rev. D, 92(9). doi:10.1103/physrevd.92.094023

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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