Observation of the decay mode KL→π+π-e+e-

被引：8
|
作者：
Takeuchi, Y
Hemmi, Y
Kurashige, H
Matono, Y
Murakami, K
Nomura, T [1 ]
Sakamoto, H
Sasao, N
Suehiro, M
Fukushima, Y
Ikegami, Y
Nakamura, TT
Taniguchi, T
Asai, M
机构：
[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
[2] High Energy Accelerator Res Org, Ibaraki, Osaka 3050801, Japan
[3] Hiroshima Inst Technol, Hiroshima 7315193, Japan
来源：
PHYSICS LETTERS B | 1998年 / 443卷 / 1-4期
关键词：
D O I：
10.1016/S0370-2693(98)01359-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report on results of an experimental search for the K-L --> pi(+)pi(-)e(+)e(-) decay mode. We found 13.5 +/- 4.0 events and determined its branching ratio to he (4.4 +/- 1.3(stat.) +/- 0.5 (syst.)) x 10(-7). The result agrees well with the theoretical prediction. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：409 / 414
页数：6
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