Higgs decays to ZZ and Zγ in the standard model effective field theory: An NLO analysis [Higgs decays to ZZ and Zγ in the SMEFT: An NLO analysis]

Dawson, Sally; Giardino, P. P.

doi:10.1103/PhysRevD.97.093003

Title: Higgs decays to $Z Z$ and $Z γ$ in the standard model effective field theory: An NLO analysis [Higgs decays to $Z Z$ and $Z γ$ in the SMEFT: An NLO analysis]

Journal Article · Tue May 15 00:00:00 EDT 2018 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.97.093003· OSTI ID:1460818

Dawson, Sally ^[1]; Giardino, P. P. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States)

Here, we calculate the complete one-loop electroweak corrections to the inclusive H → ZZ and H → Zγ decays in the dimension-6 extension of the Standard Model Effective Field Theory (SMEFT). The corrections to H → ZZ are computed for on-shell Z bosons and are a precursor to the physical H → Zff¯ calculation. We present compact numerical formulas for our results and demonstrate that the logarithmic contributions that result from the renormalization group evolution of the SMEFT coefficients are larger than the finite NLO contributions to the decay widths. As a by-product of our calculation, we obtain the first complete result for the finite corrections to Gμ in the SMEFT.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: SC0012704

OSTI ID:: 1460818

Report Number(s):: BNL-207851-2018-JAAM; PRVDAQ; TRN: US1901921

Journal Information:: Physical Review D, Vol. 97, Issue 9; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 34 works

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Studies of dimension-six EFT effects in vector boson scattering Gomez-Ambrosio, Raquel The European Physical Journal C, Vol. 79, Issue 5 https://doi.org/10.1140/epjc/s10052-019-6893-2	journal	May 2019

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Title: Higgs decays to Z Z and Z γ in the standard model effective field theory: An NLO analysis [Higgs decays to Z Z and Z γ in the SMEFT: An NLO analysis]

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Title: Higgs decays to $Z Z$ and $Z γ$ in the standard model effective field theory: An NLO analysis [Higgs decays to $Z Z$ and $Z γ$ in the SMEFT: An NLO analysis]