Strong and electromagnetic mass splittings in heavy mesons

被引：11
|
作者：
Goity, J. L. [1 ]
Jayalath, C. P.
机构：
[1] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA
[2] Hampton Univ, Dept Phys, Hampton, VA 23668 USA
来源：
PHYSICS LETTERS B | 2007年 / 650卷 / 01期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/j.physletb.2007.04.037
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The contributions to heavy meson mass differences by the strong hyperfine interaction, the light quark masses and the electromagnetic interaction are obtained from the empirical values of the D, D*, B and B* masses by means of a mass formula based on the heavy quark mass expansion. The three different types of contributions are determined with significant accuracy to next to leading order in that expansion. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：22 / 26
页数：5
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