Electroweak corrections to Higgs boson decays to γ γ and W + W − in standard model EFT

Dawson, S.; Giardino, P. P.

doi:10.1103/PhysRevD.98.095005

Title: Electroweak corrections to Higgs boson decays to $γ γ$ and $W^{+} W^{-}$ in standard model EFT

Journal Article · Mon Nov 05 00:00:00 EST 2018 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.98.095005· OSTI ID:1480892

Dawson, S.; Giardino, P. P.

Higgs decays to gauge boson pairs are a crucial ingredient in the study of Higgs properties, with the decay H → γγ being particularly sensitive to new physics effects. Assuming all potential new physics occurs at energies far above the weak scale, deviations from standard model predictions can be parametrized in terms of the coefficients of a standard model effective field theory (SMEFT). When experimental limits on the SMEFT coefficients reach an accuracy of a few percent, predictions must be done beyond the lowest order in the SMEFT in order to match theory and experimental accuracy. This paper completes a program of computing the one-loop electroweak SMEFT corrections to H → VV', V = W+, Z, γ. The calculation of the real contribution to H → W+W-γ is performed by mapping two-loop amplitudes to the three-body phase space.

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

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

Grant/Contract Number:: de-sc0012704; SC0012704

OSTI ID:: 1480892

Alternate ID(s):: OSTI ID: 1483554

Report Number(s):: BNL-209488-2018-JAAM; PRVDAQ; 095005

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 98 Journal Issue: 9; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 26 works

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Title: Electroweak corrections to Higgs boson decays to γ γ and W + W − in standard model EFT

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Title: Electroweak corrections to Higgs boson decays to $γ γ$ and $W^{+} W^{-}$ in standard model EFT