{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"c182148457d762ea65664a3e02c2c2ab8a1bc645d6266abcb571d2dbe5244b6e","created":"2026-10-03T07:18:05Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011","b5a6eed4777c84a1bba368f984fc123270b9316dd4ad87ddd50aa6379d8d0ddd"],"salt":"269ad0e6f6ea4c3b3e2a063637f4221f8dea7a74241b4ffde8bd9de00838e621","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"yes-no","assisted_by":[],"external_id":"hep.grand-unification.p-nu-kaon","kind":"well-posed","literature_status":"open","n":"1","parents":[{"note":"","parent_revision":"b5a6eed4777c84a1bba368f984fc123270b9316dd4ad87ddd50aa6379d8d0ddd","relation":"special_case"}],"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 -> anti-nu K+)/B, currently $> \\sim 5.9e33\\,\\mathrm{yr}$ (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 $\\sim 1e34\\text{ to }1e35\\,\\mathrm{yr}$.","problem_ref":null,"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":"4ab26fd00d33deeca52b12d9aa2bb5b76a58cde8ecf899d995d016d99ca5ba55"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"281ba420c3c3c6e1984d2e82856acdef4d77bbf6f71c9c2b396ec7441086aeec","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"4ec8dcd6d05581677a4fdb485627b1cfc1259d674945fdc87ddaff6301816e23","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"EzGfb3D867UBMo_x_bHA7291lJemazQNqEnYQd4vErhMdQmV81pKpfJ_rQvG2jfAuaOPCgHS9_l43kEvuLiXDg"},"schema":"pubphys.envelope/1"},"record_hash":"281ba420c3c3c6e1984d2e82856acdef4d77bbf6f71c9c2b396ec7441086aeec","leaf_index":1546}