Measurement of the branching ratio of KLe+e-

T. Nakaya, T. Yamanaka, K. Arisaka, D. Roberts, W. Slater, M. Weaver, R. A. Briere, Elliott C Cheu, D. A. Harris, K. S. McFarland, A. Roodman, B. Schwingenheuer, S. V. Somalwar, Y. W. Wah, B. Winstein, R. Winston, A. R. Barker, E. C. Swallow, G. J. Bock, R. ColemanM. Crisler, J. Enagonio, R. Ford, Y. B. Hsiung, D. A. Jensen, E. Ramberg, R. Tschirhart, E. M. Collins, G. D. Gollin, P. Gu, P. Haas, W. P. Hogan, S. K. Kim, J. N. Matthews, S. S. Myung, S. Schnetzer, G. B. Thomson, Y. Zou

15 Scopus citations


A new measurement of the KLe+e- branching ratio was carried out in Fermilab experiment E799. We observed 58 KLe+e- events. The measured branching ratio is B(KLe+e-,E*>5 MeV)=[6.51.2(stat)0.6(syst)]×10-7.

Original languageEnglish (US)
Pages (from-to)2169-2172
Number of pages4
JournalPhysical Review Letters
Issue number16
Publication statusPublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Nakaya, T., Yamanaka, T., Arisaka, K., Roberts, D., Slater, W., Weaver, M., ... Zou, Y. (1994). Measurement of the branching ratio of KLe+e-. Physical Review Letters, 73(16), 2169-2172.