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Strong decays of radially excited vector mesons

G. Busetto; L. Oliver

Motivated by the recent discovery at Orsay of ϕ′ (1680), we study the strong interaction decays of radially excited vector mesons within the framework of the3P0 quark pair creation model. We stress the relative importance of phase space, algebraic spinflavor couplings, and spatial overlaps. Quite a few features of the data can be will understood by the presence of a node in the spatial wave function, but the detailed structure of the modes ρ′→4π remains a serious challenge.

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