PoS - Proceedings of Science
Volume 367 - XXIX International Symposium on Lepton Photon Interactions at High Energies (LeptonPhoton2019) - Parallel Sessions
Measurements of the Higgs boson decays to two bottom quarks
L. Ambroz*  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: November 13, 2019
Published on: December 17, 2019
$H \rightarrow b\bar{b}$ decays make it possible to probe the Yukawa coupling of the Higgs boson to down type quarks. Observing these processes at the LHC is extremely challenging due to the large multi-jet background; however, this can be greatly suppressed by triggering on missing transverse energy or charged leptons coming from the decay of a weak vector boson produced together with the Higgs boson. In this paper, the latest measurement for $H \rightarrow b\bar{b}$ decays associated with a $W$ or $Z$ boson with the ATLAS detector will be presented. Furthermore, the first $VH, H \rightarrow b\bar{b}$ differential measurement in bins of transverse momentum of the vector bosons will be discussed; this type of differential measurement is particularly sensitive to Beyond Standard Model physics, as probed through an Effective Field Theory approach.
DOI: https://doi.org/10.22323/1.367.0085
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