{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"7b8512b32c834125b613a0a2954b83c054b10999289bf49fc85ffe35141b41f9","created":"2026-10-15T23:43:22Z","files":[],"origin":{"assisted_by":["ai:gpt-5.5"],"kind":"seed"},"parents":["281ba420c3c3c6e1984d2e82856acdef4d77bbf6f71c9c2b396ec7441086aeec","ce59fb6cd812fc05906d0c60a71c75ea22bc686bcf38e7c3ef7010834d98ee7b"],"salt":"c0d9711e951a529fdc38418883c127ad2050b8c685825da22718318c676c74df","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":["ai:gpt-5.5"],"external_id":"hep.grand-unification.p-nu-kaon","kind":"well-posed","literature_status":"open","n":"2","parents":[],"plain":"Supersymmetric unified theories favor a different decay of the proton, into an antineutrino and a charged kaon. Detecting the kaon needs detectors with good tracking.","posed_since":"1982","precise":"Measure or bound $\\tau(p \\to \\mathrm{anti}-\\nu K+)/B$, currently $> \\sim 5.9 \\times 10^{33}\\,\\mathrm{yr}$ (Super-Kamiokande, 2014). Minimal SUSY $\\mathrm{SU}(5)$ with dimension-5 operators predicts values near or below this; an answer is a detection or a limit $\\sim 10^{34}\\text{ to }10^{35}\\,\\mathrm{yr}$.","problem_ref":"281ba420c3c3c6e1984d2e82856acdef4d77bbf6f71c9c2b396ec7441086aeec","references":"","settled_by":"DUNE liquid-argon tracking, Hyper-Kamiokande and JUNO searches for p -> anti-nu K+.","status_note":"","title":"Does the proton decay to an antineutrino and a kaon?","topic_ref":null},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"8fd32bad51ece79dac49b6a80cfe1ea441d98a07343e51a67f4a826d710e2c70","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"f0eeb0d4ac3ae8f2d4d4acb8f0491b73ffd6fbf582c37cc27dddcc186c2f3e32","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"ojEdqD8373F-VDCRoQnfKahfSIEUqCg58hmdwgVIuxD5YGufVut_9Iz8q5E58JGonShFUQbu1C1fmig3VDaDAw"},"schema":"pubphys.envelope/1"},"record_hash":"8fd32bad51ece79dac49b6a80cfe1ea441d98a07343e51a67f4a826d710e2c70","leaf_index":3348}