Production of the D-wave $b\bar{b}$ states

Abstract

The first and second families of D-wave $b\bar{b}$ quarkonium states are expected to have masses near 10.16 and 10.44 GeV/$c^2$. The accuracy of these predictions is discussed, and the prospects of two methods for producing these states in electron-positron collisions are updated. Direct scans in the $e^{+}{e}^{-}$ center-of-mass can give rise to the ${}^3{D}_1$ states. The $1^3{D}_J$ states have also been searched for in the electromagnetic cascades from $\ups(3S) \to γχ'_b \to γγ^3D_J$. The sample of $\ups(3S)$ decays required to definitively observe the $1^3{D}_J$ states is found to be only somewhat greater than the present world's total.

7 pages, LaTeX, 1 figure, to be submitted to Phys. Rev. D

References in corpus (1)

• Quarkonium Spectroscopy and Perturbative QCD: A New Perspective

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