SEARCH FOR THE RARE DECAYS K(L)(0)-]MU-E AND K(L)(0)-]EE

被引：21

作者：

AKAGI, T

FUKUHISA, R

HEMMI, Y

INAGAKI, T

ISHIKAWA, K

KISHIDA, T

KOBAYASHI, M

KOMATSUBARA, TK

KUZE, M

SAI, F

SATO, T

SHINKAWA, T

SUEKANE, F

TAKAMATSU, K

TOYOURA, J

YAMAMOTO, SS

YOSHIMURA, Y

机构：

[1] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN

[2] KYOTO UNIV,DEPT PHYS,KYOTO 606,JAPAN

[3] KEK NAT LAB HIGH ENERGY PHYS,NATL LAB HIGH ENERGY PHYS,TSUKUBA 305,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.67.2614

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for the rare decays K(L)0 --> mu-e and K(L)0 --> ee was performed at the KEK 12-GeV Proton Synchrotron. No event was observed in the fiducial region for the decay K(L)0 --> mu-e. There was one event in the fiducial region for the decay K(L)0 --> ee, which was indistinguishable from the background. The upper limits on the branching ratios at 90% confidence level were B(K(L)0 --> mu-e) < 9.4 x 10(-11) and B(K(L)0 --> ee) < 1.6 x 10(-10).

引用

页码：2614 / 2617

页数：4

共 23 条

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KUZE, M ;

SAI, F ;

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