Abstract
We study the production of a Higgs boson in association with bottom quarks \( \left(b\overline{b}H\right) \) in hadronic collisions at the LHC, including the different contributions stemming from terms proportional to the top-quark Yukawa coupling (y 2t ), to the bottom-quark one (y 2b ), and to their interference (ybyt). Our results are accurate to next-to-leading order in QCD, employ the four-flavour scheme and the (Born-improved) heavy-top quark approximation. We find that next-to-leading order corrections to the y 2t component are sizable, making it the dominant production mechanism for associated \( b\overline{b}H \) production in the Standard Model and increasing its inclusive rate by almost a factor of two. By studying final-state distributions of the various contributions, we identify observables and selection cuts that can be used to select the various components and to improve the experimental sensitivity of \( b\overline{b}H \) production on the bottom-quark Yukawa coupling.
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Deutschmann, N., Maltoni, F., Wiesemann, M. et al. Top-Yukawa contributions to bbH production at the LHC. J. High Energ. Phys. 2019, 54 (2019). https://doi.org/10.1007/JHEP07(2019)054
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DOI: https://doi.org/10.1007/JHEP07(2019)054