MEASUREMENT OF THE BRANCHING RATIO OF K-L-]E(+)E(-)GAMMAGAMMA

被引：10

作者：

NAKAYA, T

YAMANAKA, T

ARISAKA, K

ROBERTS, D

SLATER, W

WEAVER, M

BRIERE, RA

CHEU, E

HARRIS, DA

MCFARLAND, KS

ROODMAN, A

SCHWINGENHEUER, B

SOMALWAR, SV

WAH, YW

WINSTEIN, B

WINSTON, R

BARKER, AR

SWALLOW, EC

BOCK, GJ

COLEMAN, R

CRISLER, M

ENAGONIO, J

FORD, R

HSIUNG, YB

JENSEN, DA

RAMBERG, E

TSCHIRHART, R

COLLINS, EM

GOLLIN, GD

GU, P

HAAS, P

HOGAN, WP

KIM, SK

MATTHEWS, JN

MYUNG, SS

SCHNETZER, S

THOMSON, GB

ZOU, Y

机构：

[1] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[2] UNIV CHICAGO,ENRICO FERMI INST,CHICAGO,IL 60637

[3] UNIV COLORADO,BOULDER,CO 80309

[4] ELMHURST COLL,ELMHURST,IL 60126

[5] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[6] UNIV ILLINOIS,URBANA,IL 61801

[7] RUTGERS STATE UNIV,PISCATAWAY,NJ 08855

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.73.2169

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new measurement of the K-L --> e(+)e(-)gamma gamma branching ratio was carried out in Fermilab experiment E799. We observed 58 K-L --> e(+)e(-)gamma gamma events. The measured branching ratio is B(K-L --> e(+)e(-)gamma gamma, E(gamma)* > 5 MeV) = [6.5 +/- 1.2(stat) +/- 0.6(syst)] x 10(-7).

引用

页码：2169 / 2172

页数：4

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