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Title: | The puzzle of the D and D-s mesons |
Authors: | Vijande, Javier CSIC ORCID; Fernández González, Francisco; Valcarce, A. | Keywords: | States [PACS] Charmed mesons [PACS] Other strange mesons |
Issue Date: | 22-Feb-2007 | Publisher: | Società Italiana di Fisica Springer |
Citation: | European Physical Journal A 31(4): 722-724 (2007) | Abstract: | We present a theoretical framework that accounts for the new D-J and D-sJ mesons 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 corresponding two-meson threshold. We study the electromagnetic decay widths as basic tools to scrutiny their nature. | Description: | 3 pages, 4 tables.-- PACS nrs.: 14.40.Lb, 14.40.Ev.-- ISI Article Identifier: 000245667300076 Printed version published Mar 2007.-- Contributed to: The IVth International Conference on Quarks and Nuclear Physics - QNP 2006 (Madrid, Spain, June 5-10, 2006). |
Publisher version (URL): | http://dx.doi.org/10.1140/epja/i2006-10199-0 | URI: | http://hdl.handle.net/10261/9203 | DOI: | 10.1140/epja/i2006-10199-0 | ISSN: | 1434-6001 | E-ISSN: | 1434-601X |
Appears in Collections: | (IFIC) Artículos |
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