Search for the decay K+ → π+νν¯

  • S. Adler
  • , M. S. Atiya
  • , I. H. Chiang
  • , J. S. Frank
  • , J. S. Haggerty
  • , T. F. Kycia
  • , K. K. Li
  • , L. S. Littenberg
  • , A. Sambamurti
  • , A. Stevens
  • , R. C. Strand
  • , C. Witzig
  • , W. C. Louis
  • , D. S. Akerib
  • , M. Ardebili
  • , M. R. Convery
  • , M. M. Ito
  • , D. R. Marlow
  • , R. A. McPherson
  • , P. D. Meyers
  • M. A. Selen, F. C. Shoemaker, A. J.S. Smith, E. W. Blackmore, D. A. Bryman, L. Felawka, P. Kitching, A. Konaka, V. A. Kujala, Y. Kuno, J. A. Macdonald, T. Nakano, T. Numao, P. Padley, J. M. Poutissou, R. Poutissou, J. Roy, R. Soluk, A. S. Turcot

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

An upper limit on the branching ratio for the decay K+ → π + νν¯ is set at 2.4 × 10−9 at the 90\% C.L. using pions in the kinematic region 214 MeV/c < Pπ < 231 MeV/c. An upper limit of 5.2 × 10−10 is found on the branching ratio for decays K+ → π+X0, where X0 is any massless, weakly interacting neutral particle. Limits are also set for cases where MX0 > 0.

Original languageEnglish (US)
Pages (from-to)1421-1424
Number of pages4
JournalPhysical review letters
Volume76
Issue number9
DOIs
StatePublished - 1996

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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