ABSENCE OF EXOTIC HADRONS IN FLUX-TUBE QUARK MODELS

被引：49
|
作者：
CARLSON, J [1 ]
PANDHARIPANDE, VR [1 ]
机构：
[1] UNIV ILLINOIS,DEPT PHYS,URBANA,IL 61801
来源：
PHYSICAL REVIEW D | 1991年 / 43卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.43.1652
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Flux-tube quark models based upon strong-coupling QCD are studied in the limit of small coupling between different flux-tube topologies. In this limit, it is shown that no bound exotic states exist, in contrast with predictions made with bag and other mean-field and two-body potential quark models. Results are presented for the 2q-2qBAR, 4q-qBAR, and 6q sectors, and the various quark models are compared. The extent to which "exotic" states are observed experimentally can be regarded to some degree as a test of the relevance of strong-coupling-based flux-tube models.
引用
收藏
页码：1652 / 1658
页数：7
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