Excited heavy tetraquarks with hidden charm

被引：0
|
作者：
D. Ebert
R. N. Faustov
V. O. Galkin
机构：
[1] Joint Institute for Nuclear Research,Bogoliubov Laboratory for Theoretical Physics
[2] Humboldt–Universität zu Berlin,Institut für Physik
[3] Russian Academy of Sciences,Dorodnicyn Computing Centre
来源：
The European Physical Journal C | 2008年 / 58卷
关键词：
12.40.Yx; 14.40.Gx; 12.39.Ki;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The masses of the excited heavy tetraquarks with hidden charm are calculated within the relativistic diquark–antidiquark picture. The dynamics of the light quark in a heavy–light diquark is treated completely relativistically. The diquark structure is taken into account by calculating the diquark–gluon form factor. New experimental data on charmonium-like states above open charm threshold are discussed. The obtained results indicate that X(3872), Y(4260), Y(4360), Z(4248), Z(4433) and Y(4660) could be tetraquark states with hidden charm.
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页码：399 / 405
页数：6
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