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, Peter Daniel 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

Abstract

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 (US)
Article number052009
Pages (from-to)520091-520097
Number of pages7
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume65
Issue number5
StatePublished - Mar 1 2002

All Science Journal Classification (ASJC) codes

  • 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 - Particles, Fields, Gravitation and Cosmology, 65(5), 520091-520097. [052009].