Misc,

Cusps and Exotic Charmonia

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(Apr 29, 2015)

Abstract

A simple, causal, and analytic model of final state rescattering is used to describe all available data on the exotic resonances \$Z\_c(3900)\$ and \$Z\_c(4025)\$. The model provides a compelling and accurate representation of experiment with no need for poles in the scattering matrix.

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