Isoscalar-isovector mass splittings in excited mesons

Details Isoscalar-isovector mass splittings in excited mesons Isoscalar-isovector mass splittings in excited mesons

1993-11-10

arxiv.org/abs/hep-ph/9311254v1

Phys.Rev.D49:6003-6006,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 RevTeX pages, including 1 LaTeX figure. CMU-HEP93-23/DOE-ER-40682-48

Scientific paper

10.1103/PhysRevD.49.6003

Mass splittings between the isovector and isoscalar members of meson nonets arise in part from hadronic loop diagrams which violate the Okubo-Zweig-Iizuka rule. Using a model for these loop processes which works qualitatively well in the established nonets, I tabulate predictions for the splittings and associated isoscalar mixing angles in the remaining nonets below about 2.5 GeV, and explain some of their systematic features. The results for excited vector mesons compare favorably with experiment.

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