Measurement of the branching ratio of KLe+e-

T. Nakaya, T. Yamanaka, K. Arisaka, D. Roberts, W. Slater, M. Weaver, R. A. Briere, E. 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

Research output: Contribution to journalArticle

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
StatePublished - 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Nakaya, T., Yamanaka, T., Arisaka, K., Roberts, D., Slater, W., Weaver, M., Briere, R. A., Cheu, E., Harris, D. A., McFarland, K. S., Roodman, A., Schwingenheuer, B., Somalwar, S. V., Wah, Y. W., Winstein, B., Winston, R., Barker, A. R., Swallow, E. C., Bock, G. J., ... Zou, Y. (1994). Measurement of the branching ratio of KLe+e-. Physical review letters, 73(16), 2169-2172.