{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VDLG42CLOR5UDUZP2I25WYDSFE","short_pith_number":"pith:VDLG42CL","schema_version":"1.0","canonical_sha256":"a8d66e684b747b41d32fd235db60722921915426c0264af9d17dd0fa08a6a314","source":{"kind":"arxiv","id":"1803.07284","version":2},"attestation_state":"computed","paper":{"title":"Updated study of the $\\eta$-$\\eta'$ mixing and the thermal properties of light pseudoscalar mesons at low temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chun-Gui Duan, Xiao-Wei Gu, Zhi-Hui Guo","submitted_at":"2018-03-20T08:09:01Z","abstract_excerpt":"Within the framework of the $U(3)$ chiral perturbation theory, we revisit the masses, decay constants and the mixing parameters of the light pseudoscalar mesons $\\pi, K, \\eta$ and $\\eta'$. The low energy constants up to next-to-next-to-leading order are determined by including the light-quark mass dependences of the various quantities from different lattice QCD simulations and relevant phenomenological inputs. Then we study the finite-temperature behaviors of the masses of the light pseudoscalar mesons. The thermal behaviors of the $\\eta$-$\\eta'$ mixing angles in singlet-octet and quark-flavor"},"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":"1803.07284","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-20T08:09:01Z","cross_cats_sorted":[],"title_canon_sha256":"7fad7cf8202299b45d94b7d62b11c6040a028d4406266433e7b6791a26a885ef","abstract_canon_sha256":"92f28e6ad0d404cf835f8fa41d0f2fbd376917333a2a0f7cd0195cf7d2e9b081"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:43.524205Z","signature_b64":"GrmxCElHWbbgWK6JYRcjSdjWL/jL4yFjT5fZCc8Ycr9bU0mi9WV9a/Povc+HQlVx7/bHubimyRdKY1rZuFAkDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8d66e684b747b41d32fd235db60722921915426c0264af9d17dd0fa08a6a314","last_reissued_at":"2026-05-18T00:00:43.523791Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:43.523791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Updated study of the $\\eta$-$\\eta'$ mixing and the thermal properties of light pseudoscalar mesons at low temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chun-Gui Duan, Xiao-Wei Gu, Zhi-Hui Guo","submitted_at":"2018-03-20T08:09:01Z","abstract_excerpt":"Within the framework of the $U(3)$ chiral perturbation theory, we revisit the masses, decay constants and the mixing parameters of the light pseudoscalar mesons $\\pi, K, \\eta$ and $\\eta'$. The low energy constants up to next-to-next-to-leading order are determined by including the light-quark mass dependences of the various quantities from different lattice QCD simulations and relevant phenomenological inputs. Then we study the finite-temperature behaviors of the masses of the light pseudoscalar mesons. The thermal behaviors of the $\\eta$-$\\eta'$ mixing angles in singlet-octet and quark-flavor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.07284","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":"1803.07284","created_at":"2026-05-18T00:00:43.523855+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.07284v2","created_at":"2026-05-18T00:00:43.523855+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.07284","created_at":"2026-05-18T00:00:43.523855+00:00"},{"alias_kind":"pith_short_12","alias_value":"VDLG42CLOR5U","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VDLG42CLOR5UDUZP","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VDLG42CL","created_at":"2026-05-18T12:32:59.047623+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/VDLG42CLOR5UDUZP2I25WYDSFE","json":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE.json","graph_json":"https://pith.science/api/pith-number/VDLG42CLOR5UDUZP2I25WYDSFE/graph.json","events_json":"https://pith.science/api/pith-number/VDLG42CLOR5UDUZP2I25WYDSFE/events.json","paper":"https://pith.science/paper/VDLG42CL"},"agent_actions":{"view_html":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE","download_json":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE.json","view_paper":"https://pith.science/paper/VDLG42CL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.07284&json=true","fetch_graph":"https://pith.science/api/pith-number/VDLG42CLOR5UDUZP2I25WYDSFE/graph.json","fetch_events":"https://pith.science/api/pith-number/VDLG42CLOR5UDUZP2I25WYDSFE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE/action/storage_attestation","attest_author":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE/action/author_attestation","sign_citation":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE/action/citation_signature","submit_replication":"https://pith.science/pith/VDLG42CLOR5UDUZP2I25WYDSFE/action/replication_record"}},"created_at":"2026-05-18T00:00:43.523855+00:00","updated_at":"2026-05-18T00:00:43.523855+00:00"}