{"paper":{"title":"Search for proton decay through p->\\bar{\\nu} K^+ in a large water Cherenkov detector","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et.al, M. Earl, Super-Kamiokande Collaboration: Y. Hayato","submitted_at":"1999-04-21T04:10:31Z","abstract_excerpt":"We present results of a search for proton decays, $p \\to \\bar{\\nu} K^+$, using data from a 33 kton$\\cdot$year exposure of the Super-Kamiokande detector. Two decay modes of the kaon, $K^+ \\to \\mu^+ \\nu_{\\mu}$ and $K^+ \\to \\pi^+ \\pi^0$, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton $\\tau / B(p \\to \\bar{\\nu} K^+)$ was found to be $6.7 \\times 10^{32}$ years at 90% confidence level."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9904020","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}