{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AX2RK5EECK5VNOOAZCES6P3FRM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4241ef2ed00354fd8e88a20c413dd73fa54fe1113ef0265dc9727a91a5b0dd9c","cross_cats_sorted":["astro-ph.SR","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-17T14:49:33Z","title_canon_sha256":"e0b005bea45c412d6e71cb925eb61b9fa911e15522ea0f7b83cfa9acb6911512"},"schema_version":"1.0","source":{"id":"1403.4114","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.4114","created_at":"2026-05-18T02:43:45Z"},{"alias_kind":"arxiv_version","alias_value":"1403.4114v2","created_at":"2026-05-18T02:43:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4114","created_at":"2026-05-18T02:43:45Z"},{"alias_kind":"pith_short_12","alias_value":"AX2RK5EECK5V","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AX2RK5EECK5VNOOA","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AX2RK5EE","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:e0b9865545e64aebb919b6ba109a012e116b61452060f3eaf2150b520e6767d0","target":"graph","created_at":"2026-05-18T02:43:45Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"At low energies nucleon-nucleon interactions are resonant and therefore supernova matter at subnuclear densities has many similarities to atomic gases with interactions dominated by a Feshbach resonance. We calculate the rates of neutrino processes involving nucleon-nucleon collisions and show that these are enhanced in mixtures of neutrons and protons at subnuclear densities due to the large scattering lengths. As a result, the rate for neutrino pair bremsstrahlung and absorption is significantly larger below 10^{13} g cm^{-3} compared to rates used in supernova simulations.","authors_text":"A. Bartl, A. Schwenk, C.J. Pethick","cross_cats":["astro-ph.SR","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-17T14:49:33Z","title":"Supernova matter at subnuclear densities as a resonant Fermi gas: Enhancement of neutrino rates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4114","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:83a2188a0e82bd2b1037bff0a79ac098a935cfbfeaf88566cb4a0327bf1bbd08","target":"record","created_at":"2026-05-18T02:43:45Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"4241ef2ed00354fd8e88a20c413dd73fa54fe1113ef0265dc9727a91a5b0dd9c","cross_cats_sorted":["astro-ph.SR","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2014-03-17T14:49:33Z","title_canon_sha256":"e0b005bea45c412d6e71cb925eb61b9fa911e15522ea0f7b83cfa9acb6911512"},"schema_version":"1.0","source":{"id":"1403.4114","kind":"arxiv","version":2}},"canonical_sha256":"05f515748412bb56b9c0c8892f3f658b31d90448a4ab636c3d10d45d333d17c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05f515748412bb56b9c0c8892f3f658b31d90448a4ab636c3d10d45d333d17c2","first_computed_at":"2026-05-18T02:43:45.288272Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:45.288272Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uxiwob82MEy9oJD8ttNIu1RAr6hwB5NQDQC1zXr+ooi/51ypgnl9B0EnLggb48g15SLSzkXkhin62LfQx5OICg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:45.288791Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.4114","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83a2188a0e82bd2b1037bff0a79ac098a935cfbfeaf88566cb4a0327bf1bbd08","sha256:e0b9865545e64aebb919b6ba109a012e116b61452060f3eaf2150b520e6767d0"],"state_sha256":"4639ba5b2e7d81fe3daa5ac4a0a81ab6a1bf0b750869712de85b39270bd7261c"}