Search for proton decay through p → ¯νK+ in a large water cherenkov detector

THE SUPER-KAMIOKANDE COLLABORATION

Research output: Contribution to journalArticle

110 Citations (Scopus)

Abstract

We present results of a search for proton decays, p → ¯νK+, using data from a 33kt?yr exposure of the Super-Kamiokande detector. Two decay modes of the kaon, K+ → µ+νµ and K+ → π+π0, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton τ/B(p → ¯νK+) was found to be 6.7 × 1032 years at 90% confidence level.

Original languageEnglish
Pages (from-to)1529-1533
Number of pages5
JournalPhysical Review Letters
Volume83
Issue number8
DOIs
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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