{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:AJSHXY7KNXBQI4SM6WEE35S6CF","short_pith_number":"pith:AJSHXY7K","schema_version":"1.0","canonical_sha256":"02647be3ea6dc304724cf5884df65e117fad729ace28aa54b174fc541061a828","source":{"kind":"arxiv","id":"1512.00692","version":2},"attestation_state":"computed","paper":{"title":"Antimatter $^4_{\\Lambda}$H Hypernucleus Production and the $^3_{\\Lambda}$H/$^3$He Puzzle in Relativistic Heavy-Ion Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Kai-Jia Sun, Lie-Wen Chen","submitted_at":"2015-12-02T13:54:50Z","abstract_excerpt":"We show that the measured yield ratio $^3_{\\Lambda}$H/$^3$He ($^3_{\\overline{\\Lambda}}\\overline{\\text{H}}$/$^3\\overline{\\text{He}}$) in Au+Au collisions at $\\sqrt{s_{NN}}=200$ GeV and in Pb+Pb collisions at $\\sqrt{s_{NN}}=2.76$ TeV can be understood within a covariant coalescence model if (anti-)$\\Lambda$ particles freeze out earlier than (anti-)nucleons but their relative freezeout time is closer at $\\sqrt{s_{NN}}=2.76$ TeV than at $\\sqrt{s_{NN}}=200$ GeV. The earlier (anti-)$\\Lambda$ freezeout can significantly enhance the yield of (anti)hypernucleus $^4_{\\Lambda}$H ($^4_{\\overline{\\Lambda}}"},"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":"1512.00692","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-02T13:54:50Z","cross_cats_sorted":["astro-ph.CO","hep-ph","nucl-ex"],"title_canon_sha256":"423636dab4f4de99ceff4a56f0cc1d5a7ef753a7a92ba9d9fccf1fb842f00a64","abstract_canon_sha256":"7e4e9d8757107259348e491b5318f94c22527bf6f1c34556170e8985b515bbac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:31.969169Z","signature_b64":"easxTg5ZYknDke8ULieAUq+uvniFQCYyf/3nqqlbR8bB6DvsyWz0m9eEtxvmjZQ6yM8M6ACM7D3gDJG2hYUyBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02647be3ea6dc304724cf5884df65e117fad729ace28aa54b174fc541061a828","last_reissued_at":"2026-05-18T01:11:31.968722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:31.968722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Antimatter $^4_{\\Lambda}$H Hypernucleus Production and the $^3_{\\Lambda}$H/$^3$He Puzzle in Relativistic Heavy-Ion Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Kai-Jia Sun, Lie-Wen Chen","submitted_at":"2015-12-02T13:54:50Z","abstract_excerpt":"We show that the measured yield ratio $^3_{\\Lambda}$H/$^3$He ($^3_{\\overline{\\Lambda}}\\overline{\\text{H}}$/$^3\\overline{\\text{He}}$) in Au+Au collisions at $\\sqrt{s_{NN}}=200$ GeV and in Pb+Pb collisions at $\\sqrt{s_{NN}}=2.76$ TeV can be understood within a covariant coalescence model if (anti-)$\\Lambda$ particles freeze out earlier than (anti-)nucleons but their relative freezeout time is closer at $\\sqrt{s_{NN}}=2.76$ TeV than at $\\sqrt{s_{NN}}=200$ GeV. The earlier (anti-)$\\Lambda$ freezeout can significantly enhance the yield of (anti)hypernucleus $^4_{\\Lambda}$H ($^4_{\\overline{\\Lambda}}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00692","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":""},"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":"1512.00692","created_at":"2026-05-18T01:11:31.968791+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.00692v2","created_at":"2026-05-18T01:11:31.968791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00692","created_at":"2026-05-18T01:11:31.968791+00:00"},{"alias_kind":"pith_short_12","alias_value":"AJSHXY7KNXBQ","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"AJSHXY7KNXBQI4SM","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"AJSHXY7K","created_at":"2026-05-18T12:29:10.953037+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/AJSHXY7KNXBQI4SM6WEE35S6CF","json":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF.json","graph_json":"https://pith.science/api/pith-number/AJSHXY7KNXBQI4SM6WEE35S6CF/graph.json","events_json":"https://pith.science/api/pith-number/AJSHXY7KNXBQI4SM6WEE35S6CF/events.json","paper":"https://pith.science/paper/AJSHXY7K"},"agent_actions":{"view_html":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF","download_json":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF.json","view_paper":"https://pith.science/paper/AJSHXY7K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.00692&json=true","fetch_graph":"https://pith.science/api/pith-number/AJSHXY7KNXBQI4SM6WEE35S6CF/graph.json","fetch_events":"https://pith.science/api/pith-number/AJSHXY7KNXBQI4SM6WEE35S6CF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF/action/storage_attestation","attest_author":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF/action/author_attestation","sign_citation":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF/action/citation_signature","submit_replication":"https://pith.science/pith/AJSHXY7KNXBQI4SM6WEE35S6CF/action/replication_record"}},"created_at":"2026-05-18T01:11:31.968791+00:00","updated_at":"2026-05-18T01:11:31.968791+00:00"}