Open-charm meson spectroscopy

被引：62

作者：

Vijande, J ^{[1
]}

Fernández, F ^{[1
]}

Valcarce, A ^{[1
]}

机构：

[1] Univ Salamanca, Grp Fis Nucl & IUFFyM, E-37008 Salamanca, Spain

来源：

PHYSICAL REVIEW D | 2006年 / 73卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.73.034002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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, being broad resonances. We study the electromagnetic decay widths as basic tools to scrutiny their nature. The proposed explanation incorporates in a natural way the most recently discovered mesons in charmonium spectroscopy.

引用

页数：9

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