Experimental measurement of KL0

Y. Fukushima, D. A. Jensen, P. Surko, J. J. Thaler, M. N. Kreisler, A. M. Lopez, P. Shah

Research output: Contribution to journalArticlepeer-review


Using a spark-chamber magnet spectrometer and applying very stringent requirements to eliminate background contamination, we find three events of the rare process KL0 corresponding to a branching ratio relative to KL0 of 4.2-2.6+5.1×10-6. Using the branching ratio (KL0)(KL0all)=0.21%, we calculate the branching ratio to be 8.8-5.5+10.7×10-9 (90% confidence level) for the KL0 decay.

Original languageEnglish (US)
Pages (from-to)348-351
Number of pages4
JournalPhysical review letters
Issue number7
StatePublished - 1976
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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