Excited Heavy Mesons Beyond Leading Order in the Heavy Quark Expansion

Abstract

We examine the decays of excited heavy mesons, including the leading power corrections to the heavy quark limit. We find a new and natural explanation for the large deviation of the width of the $D_1(2420)$ from the heavy quark symmetry prediction. Our formalism leads to detailed predictions for the properties of the excited bottom mesons, some of which recently have been observed. Finally, we present a detailed analysis of the effect of power corrections and finite meson widths on the angular distributions which may be measured in heavy meson decays.

Uses REVTeX, 19 pages, 6 EPS figures embedded with epsf.sty

References in corpus (4)

• Production and Decay of D_1(2420)^0 and D_2^*(2460)^0
• Observation of a New Charmed Strange Meson
• Helicity Probabilities For Heavy Quark Fragmentation Into Excited Mesons
• Remark on Charm Quark Fragmentation to $D^{\ast \ast }$ Mesons

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