Covariant constituent quark-gluon model for the glueball-quarkonia content of scalar-isoscalar mesons

被引：74
|
作者：
Giacosa, F [1 ]
Gutsche, T [1 ]
Faessler, A [1 ]
机构：
[1] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany
来源：
PHYSICAL REVIEW C | 2005年 / 71卷 / 02期
关键词：
D O I：
10.1103/PhysRevC.71.025202
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：
We analyze the mixing of the scalar glueball with the scalar-isoscalar quarkonia states above 1 GeV in a nonlocal covariant constituent approach. Similarities and differences to the point-particle Klein-Gordon limit and to the quantum mechanical case are elaborated. Model predictions for the two-photon decay rates in the covariant mixing scheme are indicated.
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页数：14
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