New Hadron States

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dc.creatorZhu, Shi-Lin
dc.date2007-03-21
dc.date.accessioned2026-07-07T11:22:52Z
dc.date.available2026-07-07T11:22:52Z
dc.descriptionThe past four years has witnessed the renaissance of the hadron spectroscopy. Many interesting new hadron states were discovered experimentally, some of which do not fit into the quark model easily. I will give a concise overview of these states and their possible interpretations. Topics covered in this review are: (1) candidates of new light hadrons including $p {\bar p}$ threshold enhancement, X(1835), X(1576), $f_0(1810)$, recent candidates of the $1^{-+}$ exotic mesons, Y(2175), $p\barΛ$ threshold enhancement etc; (2) charmed mesons including p-wave non-strange charmed mesons, $D_{sj}(2317)$ and $D_{sj}(2460)$, recent candidates of higher excited charmed mesons, $D_{sj}(2632)$ etc; (3) charmonium and charmonium-like states such as X(3872), Y(4260), X(3940), Y(3940), Z(3930) etc. The effect from the nearby S-wave open channels on the quark model spectrum above or near strong decay threshold is emphasized. Dynamical lattice simulations of $D K$ and $D^0\bar D^{\ast 0}$ scattering and the extraction of their phase shifts may help resolve the underlying structure of $D_{sj}(2317)$, $D_{sj}(2460)$ and X(3872).
dc.descriptionBrief review, 29 pages, comments and suggestions welcome
dc.identifierhttps://arxiv.org/abs/hep-ph/0703225
dc.identifierhttp://arxiv.org/abs/hep-ph/0703225
dc.identifierInt.J.Mod.Phys.E17:283-322,2008
dc.identifierdoi:10.1142/S0218301308009446
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194719
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Lattice
dc.subjectNuclear Experiment
dc.subjectNuclear Theory
dc.titleNew Hadron States
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