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arxiv: 1205.6538 · v1 · submitted 2012-05-30 · ✦ hep-ex

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Search for Proton Decay into Muon plus Neutral Kaon in Super-Kamiokande I, II, and III

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classification ✦ hep-ex
keywords exposurekiloton-yearprotondatadecaykaonmuonneutral
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We have searched for proton into muon plus neutral kaon using data from a 91.7 kiloton-year exposure of Super-Kamiokande-I, a 49.2 kiloton-year exposure of Super-Kamiokande-II, and a 31.9 kiloton-year exposure of Super-Kamiokande-III. The number of candidate events in the data was consistent with the atmospheric neutrino background expectation and no evidence for proton decay in this mode was found. We set a partial lifetime lower limit of 1.6x10^33 years at the 90% confidence level.

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