Light scalars as tetraquarks: Decays and mixing with quarkonia

被引：1
|
作者：
Giacosa, Francesco [1 ]
机构：
[1] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany
来源：
PROGRESS IN PARTICLE AND NUCLEAR PHYSICS, VOL 61, NO 1 | 2008年 / 61卷 / 01期
关键词：
light scalar mesons; tetraquark; mixing; strong decays; MULTIQUARK HADRONS; MESONS; INSTANTONS; MODEL;
D O I：
10.1016/j.ppnp.2007.12.004
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The tetraquark assignment for light scalar states below 1 GeV is discussed on the light of strong decays. The next-to-leading order in the large-N expansion for the strong decays is considered. Mixing with quarkonia states above 1 GeV is investigated within a chiral approach and the inclusion of finite-width effects is taken into account. (c) 2008 Published by Elsevier B.V.
引用
收藏
页码：133 / 139
页数：7
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