Search for the rare decay K + → π +γ

S. Adler, M. Aoki, M. Ardebili, M. S. Atiya, A. O. Bazarko, P. C. Bergbusch, E. W. Blackmore, D. A. Bryman, I. H. Chiang, M. R. Convery, M. V. Diwan, J. S. Frank, J. S. Haggerty, T. Inagaki, M. M. Ito, V. Jain, S. Kabe, M. Kazumori, S. H. Kettell, P. KitchingM. Kobayashi, T. K. Komatsubara, A. Konaka, Y. Kuno, M. Kuriki, T. F. Kycia, K. K. Li, L. S. Littenberg, J. A. Macdonald, R. A. McPherson, P. D. Meyers, J. Mildenberger, M. Miyajima, N. Muramatsu, T. Nakano, C. Ng, J. Nishide, T. Numao, A. Otomo, J. M. Poutissou, R. Poutissou, G. Redlinger, T. Sasaki, T. Sato, T. Shinkawa, F. C. Shoemaker, R. Soluk, J. R. Stone, R. C. Strand, S. Sugimoto, Y. Tamagawa, C. Witzig, Y. Yoshimura

Research output: Contribution to journalArticle

5 Citations (Scopus)


We have performed a search for the angular-momentum forbidden decay K + → π +γ with the E787 detector at BNL. No events were observed in the π + kinematic region around 227 MeV/c. An upper limit on the branching ratio for the decay is determined to be 3.6 ×10 -7 at 90% confidence level.

Original languageEnglish
Article number052009
JournalPhysical Review D
Issue number5
Publication statusPublished - 2002 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Adler, S., Aoki, M., Ardebili, M., Atiya, M. S., Bazarko, A. O., Bergbusch, P. C., Blackmore, E. W., Bryman, D. A., Chiang, I. H., Convery, M. R., Diwan, M. V., Frank, J. S., Haggerty, J. S., Inagaki, T., Ito, M. M., Jain, V., Kabe, S., Kazumori, M., Kettell, S. H., ... Yoshimura, Y. (2002). Search for the rare decay K + → π +γ. Physical Review D, 65(5), [052009].