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At least 343 records · Page 19
All sourcesNASA NTRSDOE OSTI
DOE OSTI2018

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]

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.

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS↗