Abstract
Recent experimental data from BNL on the isovector J^PC =1^-+ exotic at 1.6 GeV in ρπindicate the existence of a non-quarkonium state consistent with lattice gauge theory predictions. We discuss how further experiments can strengthen this conclusion. We show that the ρπ, η'πand ηπcouplings of this state qualitatively support the hypothesis that it is a hybrid meson, although other interpretations cannot be eliminated.
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