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Understanding open-charm mesons

AuthorsVijande, Javier ; Fernández González, Francisco; Valcarce, A.
KeywordsCharmed mesons
Issue Date30-Jan-2007
PublisherWorld Scientific Publishing
CitationInternational Journal of Modern Physics A 22(2-3): 550-554 (2007)
AbstractWe present a theoretical framework that accounts for the new D-J and D-sJ mesond measured in the open-charm sector. These resonances are properly described if considered as a mixture of conventional P-wave quark-antiquark states and four-quark components. The narrowest states are basically P-wave quark-antiquark mesons, while the dominantly four-quark states are shifted above the correspondidng two-meson threshold. We study the electromagnetic decay widths as basic tools to scrutiny their nature.
Description5 pages, 3 tables.-- ISI Article Identifier: 000250926800048.-- ArXiv pre-print available at: http://arxiv.org/abs/hep-ph/0610126
Also published in: Proceedings of the 9th International Workshop on Meson Production, Properties and Interaction (Meson2006), Kracow (Poland), Jun 9-13, 2006.
Publisher version (URL)http://dx.doi.org/10.1142/S0217751X07035811
Appears in Collections:(IFIC) Artículos
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