The quark distributions in the Σ+ hyperon

被引:28
作者
Alberg, M
Falter, T
Henley, EM
机构
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[2] Seattle Univ, Dept Phys, Seattle, WA 98122 USA
[3] Univ Giessen, Inst Theoret Phys, D-35392 Giessen, Germany
[4] Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA
基金
美国国家科学基金会;
关键词
parton distributions; sigma hyperon; flavor asymmetry;
D O I
10.1016/S0375-9474(98)89010-6
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 use the meson cloud model and the Sullivan mechanism to estimate the sea flavor asymmetry in the Sigma(+) baryon and calculate the distribution functions of both sea and valence quarks. We find large deviations from SU(3). (C) 1998 Elsevier Science B.V.
引用
收藏
页码:93 / 104
页数:12
相关论文
共 21 条
[21]  
VOGT A, 1998, HEPPH9807369