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Bound-state effects inϒ→γ+ resonance

Authors
Journal
Physics Letters B
0370-2693
Publisher
Elsevier
Publication Date
Volume
149
Identifiers
DOI: 10.1016/0370-2693(84)91590-9
Disciplines
  • Physics

Abstract

Abstract We study the effect of b- b bound state dynamics on the amplitude for the reaction ϒ→ γ+ resonance. We argue from our results that the recently discovered ζ (8320) must have a scalar, rather than a pseudoscalar, coupling to the b quark.

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