Strong Decays of Hybrid Mesons from the Heavy Quark Expansion of QCD

Details Strong Decays of Hybrid Mesons from the Heavy Quark Expansion of QCD Strong Decays of Hybrid Mesons from the Heavy Quark Expansion of QCD

1997-11-05

arxiv.org/abs/hep-ph/9711241v1

AIPConf.Proc.432:121-124,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, LaTeX, 2 eps figures. Contribution to the Seventh International Conference on Hadron Spectroscopy (HADRON '97), Brook

Scientific paper

10.1063/1.55999

We calculate the strong decays of hybrid mesons to conventional mesons for all the lowest lying J^PC hybrids of flavour uu, dd, ss, cc and bb. A decay operator developed from the heavy quark expansion of quantum chromodynamics is employed. We show that the selection rule that hybrid mesons do not decay to identical S-wave mesons, found in other models, is preserved. We predict decays of charmonium hybrids, discuss decays of J^PC=1^-+ exotic isovector hybrids of various masses, and interpret the \pi(1800) as a hybrid meson.

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