{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ZARRBHBCD5H4S3HP2EFJOD6VOK","short_pith_number":"pith:ZARRBHBC","schema_version":"1.0","canonical_sha256":"c823109c221f4fc96cefd10a970fd572877fa35513d215eb538f7cbf80f8c2b0","source":{"kind":"arxiv","id":"1902.10957","version":2},"attestation_state":"computed","paper":{"title":"Nature of the $Y(4260)$: A light-quark perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Bastian Kubis, Feng-Kun Guo, Ling-Yun Dai, Yun-Hua Chen","submitted_at":"2019-02-28T09:09:46Z","abstract_excerpt":"The $Y(4260)$ has been one of the most puzzling pieces among the so-called $XYZ$ states. In this paper, we try to gain insights into the structure of the $Y(4260)$ from the light-quark perspective. We study the dipion invariant mass spectrum of the $e^+ e^- \\to Y(4260) \\to J/\\psi \\pi^+\\pi^-$ process and the ratio of the cross sections ${\\sigma(e^+e^- \\to J/\\psi K^+ K^-)}/{\\sigma(e^+e^- \\to J/\\psi \\pi^+\\pi^-)}$. In particular, we consider the effects of different light-quark SU(3) eigenstates inside the $Y(4260)$. The strong pion-pion final-state interactions as well as the $K\\bar{K}$ coupled c"},"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":"1902.10957","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-02-28T09:09:46Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"5425c345d6c6772154edfdef73d51f5553d6cdef208391ea7ea8c8cb8b5f206e","abstract_canon_sha256":"0c123bafa2ae4316bbb0c3a7e5dfee3faea81c495823e1251987d97f7919bb62"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:14.577823Z","signature_b64":"z5PN5JQvQOanc8IsFk1wsLGO8wB3N5+mVHswq2JYezPTIvzuVyu4v6ws5VWJopIGVIAMX29d7/7PaILf4LTsAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c823109c221f4fc96cefd10a970fd572877fa35513d215eb538f7cbf80f8c2b0","last_reissued_at":"2026-05-17T23:48:14.577096Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:14.577096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nature of the $Y(4260)$: A light-quark perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Bastian Kubis, Feng-Kun Guo, Ling-Yun Dai, Yun-Hua Chen","submitted_at":"2019-02-28T09:09:46Z","abstract_excerpt":"The $Y(4260)$ has been one of the most puzzling pieces among the so-called $XYZ$ states. In this paper, we try to gain insights into the structure of the $Y(4260)$ from the light-quark perspective. We study the dipion invariant mass spectrum of the $e^+ e^- \\to Y(4260) \\to J/\\psi \\pi^+\\pi^-$ process and the ratio of the cross sections ${\\sigma(e^+e^- \\to J/\\psi K^+ K^-)}/{\\sigma(e^+e^- \\to J/\\psi \\pi^+\\pi^-)}$. In particular, we consider the effects of different light-quark SU(3) eigenstates inside the $Y(4260)$. The strong pion-pion final-state interactions as well as the $K\\bar{K}$ coupled c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10957","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":"1902.10957","created_at":"2026-05-17T23:48:14.577224+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.10957v2","created_at":"2026-05-17T23:48:14.577224+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10957","created_at":"2026-05-17T23:48:14.577224+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZARRBHBCD5H4","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZARRBHBCD5H4S3HP","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZARRBHBC","created_at":"2026-05-18T12:33:33.725879+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/ZARRBHBCD5H4S3HP2EFJOD6VOK","json":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK.json","graph_json":"https://pith.science/api/pith-number/ZARRBHBCD5H4S3HP2EFJOD6VOK/graph.json","events_json":"https://pith.science/api/pith-number/ZARRBHBCD5H4S3HP2EFJOD6VOK/events.json","paper":"https://pith.science/paper/ZARRBHBC"},"agent_actions":{"view_html":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK","download_json":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK.json","view_paper":"https://pith.science/paper/ZARRBHBC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.10957&json=true","fetch_graph":"https://pith.science/api/pith-number/ZARRBHBCD5H4S3HP2EFJOD6VOK/graph.json","fetch_events":"https://pith.science/api/pith-number/ZARRBHBCD5H4S3HP2EFJOD6VOK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK/action/storage_attestation","attest_author":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK/action/author_attestation","sign_citation":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK/action/citation_signature","submit_replication":"https://pith.science/pith/ZARRBHBCD5H4S3HP2EFJOD6VOK/action/replication_record"}},"created_at":"2026-05-17T23:48:14.577224+00:00","updated_at":"2026-05-17T23:48:14.577224+00:00"}