On the mass splitting between axial and vector heavy-light mesons
V. L. Eletsky
Abstract
Mass splitting between axial and vector Qq mesons is considered within the standard QCD sum rules. In agreement with the first experimental data on the B1 meson (JP =1+) we find that the splitting for B is about the same as for D and show that 1/mQ corrections to the meson masses are small.
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