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arxiv: 0904.1252 · v3 · submitted 2009-04-08 · ✦ hep-ph

Canonical interpretation of the η₂(1870)

classification ✦ hep-ph
keywords conventionaldecayappeararguecanonicalcontradictdiscussedhybrid
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We argue that the mass, production, total decay width, and decay pattern of the $\eta_2(1870)$ do not appear to contradict with the picture of it being the conventional $2 ^1D_2$ $q\bar{q}$ state. The possibility of the $\eta_2(1870)$ being a mixture of the conventional $q\bar{q}$ and the hybrid is also discussed.

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