The kaon B-parameter in quenched QCD

被引：0
|
作者：
Sint, S [1 ]
机构：
[1] Univ Autonoma Madrid, Fac Ciencias CXVI, Inst Fis Teor, E-28049 Madrid, Spain
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2006年 / 21卷 / 04期
关键词：
D O I：
10.1142/S0217751X06032186
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：
I report on a recent determination by the ALPHA collaboration of the kaon B-parameter using lattice QCD with Wilson type quarks. An effort is made to control all systematic errors except for the quenched approximation. The preliminary result for the renormalization group invariant parameter is (B) over cap (K) = 0.834(37), which translates to B-K((MS) over bar) (2 GeV) = 0.604(27) in the (MS) over bar scheme with anticommuting gamma(5).
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页码：865 / 868
页数：4
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