Psi to N Nbar m

Details Psi to N Nbar m Psi to N Nbar m

2010-12-31

arxiv.org/abs/1101.0304v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited contribution to Charm2010 (Fourth International Workshop on Charm Physics), Beijing, China, 21-24 Oct. 2010. 3 pages,

Scientific paper

In this invited talk I discuss two recent applications of charmonium (Psi) decays to N Nbar m final states, where N is a nucleon and m is a light meson. There are several motivations for studying these decays: 1) They are useful for the study of N* spectroscopy; 2) they can be used to estimate cross sections for the associated charmonium production processes p pbar to Psi m, which PANDA plans to exploit in searches for charmonium hybrid exotics; and 3) they may allow the direct experimental measurement of NNm (meson-nucleon) strong couplings, which provide crucial input information for meson exchange models of the NN force. The latter two topics are considered in this talk, which will also compare results from a simple hadron pole model of these decays to recent experimental data.

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