Hadro-Charmonium

Details Hadro-Charmonium Hadro-Charmonium

2008-03-14

arxiv.org/abs/0803.2224v2

Phys.Lett.B666:344-346,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, RevTeX

Scientific paper

10.1016/j.physletb.2008.07.086

We argue that relatively compact charmonium states, $J/\psi$, $\psi(2S)$, $\chi_c$, can very likely be bound inside light hadronic matter, in particular inside higher resonances made from light quarks and/or gluons. The charmonium state in such binding essentially retains its properties, so that the bound system decays into light mesons and the particular charmonium resonance. Thus such bound states of a new type, which we call hadro-charmonium, may explain the properties of some of the recently observed resonant peaks, in particular of Y(4.26), Y(4.32-4.36), Y(4.66), and Z(4.43). We discuss further possible implications of the suggested picture for the observed states and existence of other states of hadro-charmonium and hadro-bottomonium.

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