$J/ψ$ associated production with a bottom quark pair from the Higgs boson decay in next-to-leading order QCD

Pan, Xue-An; Niu, Zhong-Ming; Song, Mao; Zhang, Yu; Li, Gang; Guo, Jian-You

doi:10.48550/arxiv.2201.05832

2022

DOI: 10.48550/arxiv.2201.05832

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$J/ψ$ associated production with a bottom quark pair from the Higgs boson decay in next-to-leading order QCD

Xue-An Pan,

Zhong-Ming Niu,

Mao Song

et al.

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“…The H → b b + J/ψ was recently calculated to NLO in αs[62]; our estimation is consistent with their LO results under the same parameter settings.…”

supporting

confidence: 87%

Higgs boson decay to charmonia via c-quark fragmentation

Han

Leibovich

et al. 2022

J. High Energ. Phys.

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We calculate the decay branching fractions of the Higgs boson to J/ψ and ηc via the charm-quark fragmentation mechanism for the color-singlet and color-octet states in the framework of non-relativistic QCD. The decay rates are governed by the charm-quark Yukawa coupling, unlike the decay H → J/ψ + γ, which is dominated by the γ∗-J/ψ mixing. We find that the decay branching fractions can be about 2×10−5 for $$ H\to c\overline{c}+J/\psi $$ H → c c ¯ + J / ψ , and 6 × 10−5 for $$ H\to c\overline{c}+{\eta}_c $$ H → c c ¯ + η c . We comment on the perspective of searching for the Higgs boson to J/ψ transition at the High-Luminosity LHC for testing the charm-quark Yukawa coupling.

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“…The H → b b + J/ψ was recently calculated to NLO in αs[62]; our estimation is consistent with their LO results under the same parameter settings.…”

supporting

confidence: 87%

Higgs boson decay to charmonia via c-quark fragmentation

Han

Leibovich

et al. 2022

J. High Energ. Phys.

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show abstract

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$J/ψ$ associated production with a bottom quark pair from the Higgs boson decay in next-to-leading order QCD

Cited by 1 publication

References 54 publications

Higgs boson decay to charmonia via c-quark fragmentation

Higgs boson decay to charmonia via c-quark fragmentation

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