{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:KX2VAGU2IFJTMYZ3QZUP2TPPT5","short_pith_number":"pith:KX2VAGU2","schema_version":"1.0","canonical_sha256":"55f5501a9a415336633b8668fd4def9f7dd272d4955abc4276ba800197c86a5c","source":{"kind":"arxiv","id":"1310.7990","version":1},"attestation_state":"computed","paper":{"title":"Comparison of classical and quantal calculations of helium three-body recombination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Chris H. Greene, Jes\\'us P\\'erez-R\\'ios, Jia Wang, Steve Ragole","submitted_at":"2013-10-30T00:36:21Z","abstract_excerpt":"A general method to study classical scattering in $n$-dimension is developed. Through classical trajectory calculations, the three-body recombination is computed as a function of the collision energy for helium atoms, as an example. Quantum calculations are also performed for the $J^{\\Pi}$ = $0^{+}$ symmetry of the three-body recombination rate in order to compare with the classical results, yielding good agreement for $E\\gtrsim$ 1 K. The classical threshold law is derived and numerically confirmed for the Newtonian three-body recombination rate. Finally, a relationship is found between the qu"},"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":"1310.7990","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2013-10-30T00:36:21Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"4801c01f531033c092f53f46617476740574b97690699283611f498f31af09cf","abstract_canon_sha256":"cf1959a4fb39aed69845fae199587936a4de903191202568a68e3b7e0de01e05"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:47.546614Z","signature_b64":"TdalDeziimkBAWARWtY3vhr9eneub+por3Fhw274k5G1V8aNMXXOvmEPvgi2RCbMTspNUjcZxZ48eNBAihMjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55f5501a9a415336633b8668fd4def9f7dd272d4955abc4276ba800197c86a5c","last_reissued_at":"2026-05-18T01:46:47.545980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:47.545980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparison of classical and quantal calculations of helium three-body recombination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Chris H. Greene, Jes\\'us P\\'erez-R\\'ios, Jia Wang, Steve Ragole","submitted_at":"2013-10-30T00:36:21Z","abstract_excerpt":"A general method to study classical scattering in $n$-dimension is developed. Through classical trajectory calculations, the three-body recombination is computed as a function of the collision energy for helium atoms, as an example. Quantum calculations are also performed for the $J^{\\Pi}$ = $0^{+}$ symmetry of the three-body recombination rate in order to compare with the classical results, yielding good agreement for $E\\gtrsim$ 1 K. The classical threshold law is derived and numerically confirmed for the Newtonian three-body recombination rate. Finally, a relationship is found between the qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7990","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1310.7990","created_at":"2026-05-18T01:46:47.546074+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.7990v1","created_at":"2026-05-18T01:46:47.546074+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7990","created_at":"2026-05-18T01:46:47.546074+00:00"},{"alias_kind":"pith_short_12","alias_value":"KX2VAGU2IFJT","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"KX2VAGU2IFJTMYZ3","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"KX2VAGU2","created_at":"2026-05-18T12:27:51.066281+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5","json":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5.json","graph_json":"https://pith.science/api/pith-number/KX2VAGU2IFJTMYZ3QZUP2TPPT5/graph.json","events_json":"https://pith.science/api/pith-number/KX2VAGU2IFJTMYZ3QZUP2TPPT5/events.json","paper":"https://pith.science/paper/KX2VAGU2"},"agent_actions":{"view_html":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5","download_json":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5.json","view_paper":"https://pith.science/paper/KX2VAGU2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.7990&json=true","fetch_graph":"https://pith.science/api/pith-number/KX2VAGU2IFJTMYZ3QZUP2TPPT5/graph.json","fetch_events":"https://pith.science/api/pith-number/KX2VAGU2IFJTMYZ3QZUP2TPPT5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5/action/storage_attestation","attest_author":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5/action/author_attestation","sign_citation":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5/action/citation_signature","submit_replication":"https://pith.science/pith/KX2VAGU2IFJTMYZ3QZUP2TPPT5/action/replication_record"}},"created_at":"2026-05-18T01:46:47.546074+00:00","updated_at":"2026-05-18T01:46:47.546074+00:00"}