Excited nS and nP heavy quarkonium states contribute tens of percent of the ground-state rate in Higgs semi-exclusive decays, and summing them yields widths of 25.1 keV for Bc-like mesons, 3.23 keV for charmonium, and 2.36 keV for bottomonium.
Higgs boson measurements at the LHC
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abstract
Measurements of the Higgs boson production and decay performed at the Large Hadron Collider by the ATLAS and CMS experiments are reviewed. These measurements are based on proton-proton collision data at $\sqrt{s}$=~13~TeV, corresponding to integrated luminosities ranging from 35 to 80~fb$^{-1}$. With these datasets, the associated production of the Higgs boson with a $t\bar{t}$ pair is observed and the decay of the Higgs boson to $b\bar{b}$ pairs is established. Measurements involving leptonic and bosonic final states are described. The combined constraints on the Higgs boson coupling properties are summarized.
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Excited heavy quarkonium production in Higgs boson decays
Excited nS and nP heavy quarkonium states contribute tens of percent of the ground-state rate in Higgs semi-exclusive decays, and summing them yields widths of 25.1 keV for Bc-like mesons, 3.23 keV for charmonium, and 2.36 keV for bottomonium.