Photoproduction of pentaquark Θ+ and chiral symmetry restoration in a hot and dense medium -: art. no. 014005

被引：0
|
作者：
Hao, XW [1 ]
Zhuang, PF [1 ]
机构：
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
来源：
PHYSICAL REVIEW D | 2006年 / 73卷 / 01期
关键词：
D O I：
10.1103/PhysRevD.73.014005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The photoproduction rate of pentaquark Theta(+) is calculated in a hot and dense medium. At high temperature and density, photoproduction energy threshold is increased, due to the restoration of chiral symmetry. Above the threshold, the production cross section is strongly enhanced.
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页数：5
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