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$B_c$ spectroscopy

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arxiv hep-ph/9406339 v1 pith:QO3H3KB7 submitted 1994-06-15 hep-ph

V.V.Kiselev , A.K.Likhoded , A.V.Tkabladze This is my paper
classification hep-ph
keywords constantframeworkheavyleptonicaccountcalculatedchangeconsidered
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abstract

In the framework of potential models for heavy quarkonium the mass spectrum for the system ($\bar b c$) is considered. Spin-dependent splittings, taking into account a change of a constant for effective Coulomb interaction between the quarks, and widths of radiative transitions between the ($\bar b c$) levels are calculated. In the framework of QCD sum rules, masses of the lightest vector $B_c^*$ and pseudoscalar $B_c$ states are estimated, scaling relation for leptonic constants of heavy quarkonia is derived, and the leptonic constant $f_{B_C}$ is evaluated.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Observation of a $B_c^{*+}$ meson with the ATLAS detector

    hep-ex 2026-05 conditional novelty 8.0 of 10

    First observation of the B_c^{*+} meson with mass difference 64.5 MeV from the ground-state B_c^+ at >8 sigma significance using ATLAS data.

  2. Revisiting lifetimes of doubly charmed baryons

    hep-ph 2023-05 unverdicted novelty 5.0 of 10

    Updated predictions within the heavy quark expansion confirm the lifetime hierarchy τ(Ξ_cc^+) < τ(Ω_cc^+) < τ(Ξ_cc^++) with τ(Ξ_cc^++) = 0.32 ± 0.05 +0.08/-0.07 ps matching LHCb data and provide ratios for the other states.

  3. QCD sum-rule determination of the axial-vector mixing angle in the \texorpdfstring{\(B_c(1P)\)}{Bc(1P)} sector

    hep-ph 2026-07 unverdicted novelty 4.0 of 10

    QCD sum rules determine the axial-vector mixing angle θ_Bc(1P) = (43.3 ± 0.2)° in the B_c(1P) sector.

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