Canonical interpretation of the $η_2(1870)$

Details Canonical interpretation of the $η_2(1870)$ Canonical interpretation of the $η_2(1870)$

2009-04-08

arxiv.org/abs/0904.1252v3

Eur.Phys.J.C63:297-304,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages,4 figures, version accepted by Eur. Phys. J. C

Scientific paper

10.1140/epjc/s10052-009-1106-z

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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