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

Details Production of the D-wave $b \bar b$ states Production of the D-wave $b \bar b$ states

2001-05-25

arxiv.org/abs/hep-ph/0105273v1

Phys.Rev. D64 (2001) 097501; Erratum-ibid. D66 (2002) 059902

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1103/PhysRevD.64.097501

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 $^3D_1$ states. The $1^3D_J$ states have also been searched for in the electromagnetic cascades from $\ups(3S) \to \gamma \chi'_b \to \gamma \gamma ^3D_J$. The sample of $\ups(3S)$ decays required to definitively observe the $1^3D_J$ states is found to be only somewhat greater than the present world's total.

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