{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:LGK6MYTLTVS2K73NFPUODWFYVO","short_pith_number":"pith:LGK6MYTL","schema_version":"1.0","canonical_sha256":"5995e6626b9d65a57f6d2be8e1d8b8abbfd0d04193a3af4df0e63c518eed78b8","source":{"kind":"arxiv","id":"astro-ph/0207281","version":2},"attestation_state":"computed","paper":{"title":"Flavor oscillations in the supernova hot bubble region: Nonlinear effects of neutrino background","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Georg Raffelt, Sergio Pastor","submitted_at":"2002-07-12T15:14:27Z","abstract_excerpt":"The neutrino flux close to a supernova core contributes substantially to neutrino refraction so that flavor oscillations become a nonlinear phenomenon. One unexpected consequence is efficient flavor transformation for anti-neutrinos in a region where only neutrinos encounter an MSW resonance or vice versa. Contrary to previous studies we find that in the neutrino-driven wind the electron fraction Y_e always stays below 0.5, corresponding to a neutron-rich environment as required by r-process nucleosynthesis. The relevant range of masses and mixing angles includes the region indicated by LSND, "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0207281","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-07-12T15:14:27Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"71bfca8ce13279858bc7791a2ba9cc5f6b3df617b305f2e88c95be963dfd646a","abstract_canon_sha256":"ad0177520dd2874fe9f4e480d3c6598bb0611d36abb645d6bd266ee2c6a74567"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:30:22.115575Z","signature_b64":"iasv5+p6Puq+4C2YummMI8dw41GfnAiIQZC1BAPf0byvcxbFD+Zn4ehRNbcpGswhvxF09GAL24x8w9lN+Tc4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5995e6626b9d65a57f6d2be8e1d8b8abbfd0d04193a3af4df0e63c518eed78b8","last_reissued_at":"2026-07-04T16:30:22.115224Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:30:22.115224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Flavor oscillations in the supernova hot bubble region: Nonlinear effects of neutrino background","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Georg Raffelt, Sergio Pastor","submitted_at":"2002-07-12T15:14:27Z","abstract_excerpt":"The neutrino flux close to a supernova core contributes substantially to neutrino refraction so that flavor oscillations become a nonlinear phenomenon. One unexpected consequence is efficient flavor transformation for anti-neutrinos in a region where only neutrinos encounter an MSW resonance or vice versa. Contrary to previous studies we find that in the neutrino-driven wind the electron fraction Y_e always stays below 0.5, corresponding to a neutron-rich environment as required by r-process nucleosynthesis. The relevant range of masses and mixing angles includes the region indicated by LSND, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0207281","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0207281/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0207281","created_at":"2026-07-04T16:30:22.115281+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0207281v2","created_at":"2026-07-04T16:30:22.115281+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0207281","created_at":"2026-07-04T16:30:22.115281+00:00"},{"alias_kind":"pith_short_12","alias_value":"LGK6MYTLTVS2","created_at":"2026-07-04T16:30:22.115281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LGK6MYTLTVS2K73N","created_at":"2026-07-04T16:30:22.115281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LGK6MYTL","created_at":"2026-07-04T16:30:22.115281+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.06580","citing_title":"Neutrino mass ordering from the next Galactic supernova at DUNE, HK, and JUNO","ref_index":23,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO","json":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO.json","graph_json":"https://pith.science/api/pith-number/LGK6MYTLTVS2K73NFPUODWFYVO/graph.json","events_json":"https://pith.science/api/pith-number/LGK6MYTLTVS2K73NFPUODWFYVO/events.json","paper":"https://pith.science/paper/LGK6MYTL"},"agent_actions":{"view_html":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO","download_json":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO.json","view_paper":"https://pith.science/paper/LGK6MYTL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0207281&json=true","fetch_graph":"https://pith.science/api/pith-number/LGK6MYTLTVS2K73NFPUODWFYVO/graph.json","fetch_events":"https://pith.science/api/pith-number/LGK6MYTLTVS2K73NFPUODWFYVO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO/action/storage_attestation","attest_author":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO/action/author_attestation","sign_citation":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO/action/citation_signature","submit_replication":"https://pith.science/pith/LGK6MYTLTVS2K73NFPUODWFYVO/action/replication_record"}},"created_at":"2026-07-04T16:30:22.115281+00:00","updated_at":"2026-07-04T16:30:22.115281+00:00"}