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To distinguish the low-lying vector beauty-charm meson, we systematically study the Bc*→Bc+γ, Bc*→ℓ+νℓ, and Bc(*)→J/ψ+nh processes within effective theory by the helicity decomposition method. The significant difference of polarization asymmetry in Bc(*)→J/ψ+nh indicates a general law in vector-to-vector and pseudoscalar-to-vector transition processes, which can be tested in current and future LHC experiments. In the end, we discuss the experiment search and discovery potential for the low-lying vector beauty-charm meson. Published by the American Physical Society 2024
Geng et al. (Thu,) studied this question.