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.
Heavy Mesons In A Relativistic Model
2 Pith papers cite this work. Polarity classification is still indexing.
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abstract
Motivated by the present interest in the heavy quark effective theory, we use the spectator equation to treat the mesonic bound states of heavy quarks. The kernel we use is based on scalar confining and vector Coulomb potentials. Wave functions are treated to leading order and energies to order $1/m_Q$ in the heavy-light systems, and order $1/m_Q^2$ in heavy-heavy systems. Our results are in reasonable agreement with experimental measurements. We estimate two of the parameters of the heavy quark effective theory, and propose further calculations that may be undertaken in the future.
years
2026 2representative citing papers
Unquenched quark model calculations show coupled-channel effects lower masses of higher D and Ds excitations; D_s1(2933) is assigned as mixed D_s(2P1), D_sJ(3040) favors D_s(3^1S0), while D(3000) fits none of the 3S/2P/2D/1F states.
citing papers explorer
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Observation of a $B_c^{*+}$ meson with the ATLAS detector
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.
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Higher excited charmed and charmed-strange mesons in an unquenched quark model
Unquenched quark model calculations show coupled-channel effects lower masses of higher D and Ds excitations; D_s1(2933) is assigned as mixed D_s(2P1), D_sJ(3040) favors D_s(3^1S0), while D(3000) fits none of the 3S/2P/2D/1F states.