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A structure at around $2.18 $GeV/$c^2$ with about $5\\sigma$ significance is observed in the $\\phi f_0(980)$ invariant mass spectrum. A fit with a Breit-Wigner function gives the peak mass and width of $m=2.186\\pm 0.010 (stat)\\pm 0.006 (syst) $GeV/$c^2$ and $\\Gamma=0.065\\pm 0.023 (stat)\\pm 0.017 (syst) $GeV/$c^2$, respectively, that are cons"},"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":"0712.1143","kind":"arxiv","version":5},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2007-12-07T13:57:08Z","cross_cats_sorted":[],"title_canon_sha256":"7b0f2b62632d0b39fbfceca1788b95d715f51fb31937d21b8fef72ce495c8b99","abstract_canon_sha256":"b7e451fd23407c73b8c19cf912166f34525522333e47184c7ff5ec76c0d69fde"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:23:48.180363Z","signature_b64":"l5DhRqH+I3lIRfCrxXxz2WhTxHX4T0ngvjQPqmaAwpNIht7MbuwIVsbMv29rcST89TVKbQXtmfYGusdIYRWMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"616b2fd819517de44b86cc363262e751ed35871118956ad7ad222a0fa8f1c4a3","last_reissued_at":"2026-07-04T15:23:48.179945Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:23:48.179945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of Y(2175) in $J/\\psi\\to \\eta\\phi f_0(980)$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BES Collaboration: M. 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A fit with a Breit-Wigner function gives the peak mass and width of $m=2.186\\pm 0.010 (stat)\\pm 0.006 (syst) $GeV/$c^2$ and $\\Gamma=0.065\\pm 0.023 (stat)\\pm 0.017 (syst) $GeV/$c^2$, respectively, that are cons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.1143","kind":"arxiv","version":5},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0712.1143/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0712.1143","created_at":"2026-07-04T15:23:48.180008+00:00"},{"alias_kind":"arxiv_version","alias_value":"0712.1143v5","created_at":"2026-07-04T15:23:48.180008+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.1143","created_at":"2026-07-04T15:23:48.180008+00:00"},{"alias_kind":"pith_short_12","alias_value":"MFVS7WAZKF66","created_at":"2026-07-04T15:23:48.180008+00:00"},{"alias_kind":"pith_short_16","alias_value":"MFVS7WAZKF66IS4G","created_at":"2026-07-04T15:23:48.180008+00:00"},{"alias_kind":"pith_short_8","alias_value":"MFVS7WAZ","created_at":"2026-07-04T15:23:48.180008+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.15704","citing_title":"Hidden-Strangeness Tetraquarks in the Dynamical Diquark Model","ref_index":25,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH","json":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH.json","graph_json":"https://pith.science/api/pith-number/MFVS7WAZKF66IS4GZQ3DEYXHKH/graph.json","events_json":"https://pith.science/api/pith-number/MFVS7WAZKF66IS4GZQ3DEYXHKH/events.json","paper":"https://pith.science/paper/MFVS7WAZ"},"agent_actions":{"view_html":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH","download_json":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH.json","view_paper":"https://pith.science/paper/MFVS7WAZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0712.1143&json=true","fetch_graph":"https://pith.science/api/pith-number/MFVS7WAZKF66IS4GZQ3DEYXHKH/graph.json","fetch_events":"https://pith.science/api/pith-number/MFVS7WAZKF66IS4GZQ3DEYXHKH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH/action/storage_attestation","attest_author":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH/action/author_attestation","sign_citation":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH/action/citation_signature","submit_replication":"https://pith.science/pith/MFVS7WAZKF66IS4GZQ3DEYXHKH/action/replication_record"}},"created_at":"2026-07-04T15:23:48.180008+00:00","updated_at":"2026-07-04T15:23:48.180008+00:00"}