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

页码：133 / 139

页数：7

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