Published November 4, 1991 | Version v1
Journal article

Measurement of the branching ratio of the decay KL0→μμ

  • 1. Department of Physics, Kyoto University, Kyoto 606, Japan National Laboratory for High Energy Physics, (KEK), Tsukuba, 305 (Japan)
  • 2. Department of Physics, Tohoku University, Sendai 980, Japan Department of Physics, University of Tokyo, Tokyo 113 (Japan)

Description

We observed 117.8 KL0→μμ events after background subtraction of 1.2 events in an experiment to search for the deays KL0→μe and ee at the KEK 12-GeV Proton Synchrotron. Normalizing to the decay KL0→π+π-, the branching ratio B(KL0→μμ)=[7.9±0.6(stat)±0.3 (syste)]x10-9 was obtained

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
67
Journal Issue
19
Series
Phys. Rev. Lett.
Journal Page Range
2618-2621
ISSN
0031-9007
CODEN
PRLTA