Volume 485 - The European Physical Society Conference on High Energy Physics (EPS-HEP2025) - T08 Higgs Physics
Renormalization-group improved prediction of $H \rightarrow gg$ decay rate
V. Singh*, G. Abbas", A. Jain" and N. Singh"
*: corresponding author
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Pre-published on: January 14, 2026
Published on: —
Abstract
We investigate the renormalization-group scale and scheme dependence of the
$H \rightarrow gg$ decay rate at the order N$^4$LO within the renormalization group summed perturbation theory,
which incorporates the resummation of all RG-accessible logarithms up to the leading and four subsequent sub-leading logarithmic contributions of the perturbative expansion. In addition, we
analyze the higher-order behaviour of the $H \rightarrow gg$ decay width using the asymptotic Pad\'e approximant method. A complementary
assessment of the higher-order structure is carried out using the asymptotic Pad\'e-Borel approximant method. The predictions obtained from the Pad\'e-Borel approximant framework are found to be consistent with those derived from the asymptotic Pad\'e approximant analysis.
DOI: https://doi.org/10.22323/1.485.0383
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