PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Poster Session
Measuring the Higgs-charm coupling with heavy quarkonia
H. Chung
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Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
We present a calculation of the Higgs boson decay into a quarkonium plus a
photon and show that the branching ratio is sensitive to both the magnitude and
sign of the Higgs-heavy quark coupling.
Our numerical results include relativistic corrections, as well as logarithms
of the Higgs mass divided by the heavy quark mass resummed to all orders in
$\alpha_s$, which is carried out in the next-to-leading logarithmic accuracy.
The resulting branching ratio shows that the Higgs-charm coupling should be
measurable at the high-luminosity LHC.
DOI: https://doi.org/10.22323/1.282.0847
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