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Vijande Asenjo, Javier; Fernández González, Francisco; Valcarce Mejía, Alfredo | |||
Aquest document és un/a article, creat/da en: 2007 | |||
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We 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 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. | |||
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