Nonperturbative origin for the s-d Delta I=1/2 transition amplitude?

被引：0
|
作者：
Elias, V
机构：
[1] Department of Applied Mathematics, University of Western Ontario, London
来源：
MODERN PHYSICS LETTERS A | 1996年 / 11卷 / 23期
关键词：
D O I：
10.1142/S0217732396001880
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The u-quark's nonperturbative-QCD contribution to the s-d self-energy amplitude, though naively of sufficient magnitude (G(F) [(u) over bar u] sin theta(c) cos theta(c)) to enhance Delta I = 1/2 strangeness-changing processes, is shown to be suppressed by an additional factor M(W)(2), and to vanish in the chiral limit.
引用
收藏
页码：1887 / 1892
页数：6
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