Charm spectroscopy beyond the constituent quark model

Details Charm spectroscopy beyond the constituent quark model Charm spectroscopy beyond the constituent quark model

2008-10-16

arxiv.org/abs/0810.2875v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Parallel talk at ICHEP08, Philadelphia, USA, July 2008. 5 pages, LaTeX

Scientific paper

We study the nature of the new charm and charmonium like states observed in the last few years, using a constituent quark model with an screened confinement potential. In the open charm sector we discuss different options for the $D_{sJ}(2860)$ including tetraquark configurations. In the hidden charm sector the new Y(4360) and Y(4660) are interpreted as $1^{--}$ states. The influence in the puzzling 3940 MeV region of multiquark configuration is discussed.

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