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Search for KL0

  • V. Papadimitriou
  • , L. K. Gibbons
  • , J. R. Patterson
  • , Y. W. Wah
  • , B. Winstein
  • , R. Winston
  • , M. Woods
  • , H. Yamamoto
  • , E. C. Swallow
  • , G. J. Bock
  • , R. Coleman
  • , Y. B. Hsiung
  • , K. Stanfield
  • , R. Stefanski
  • , T. Yamanaka
  • , G. D. Gollin
  • , M. Karlsson
  • , J. K. Okamitsu
  • , P. Debu
  • , B. Peyaud
  • R. Turlay, B. Vallage

Research output: Contribution to journalArticlepeer-review

Abstract

A search for the rare decay mode KL was performed using a data set from Fermilab experiment E-731. The decay is of interest in the context of chiral perturbation theory and for its contribution to the decay KL0e+e-. The result is B(KL)<2.7 ×10-6 (90% confidence level) which is nearly a two-order-of magnitude improvement over the previous best limit.

Original languageEnglish (US)
Pages (from-to)28-30
Number of pages3
JournalPhysical review letters
Volume63
Issue number1
DOIs
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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