{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:UBDALE3JQ3FE2PNBJ7WNEWVX3J","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3994fbc3500dadbc45ff1b9b8feefbf50912f133de0243cb9b2384a4020b156b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-22T06:09:30Z","title_canon_sha256":"19c1725b1bfb759117c6923ef4acf9248a33cb5f0fc6646a61b2cb278a465c27"},"schema_version":"1.0","source":{"id":"1304.5845","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.5845","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1304.5845v3","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5845","created_at":"2026-05-18T03:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"UBDALE3JQ3FE","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"UBDALE3JQ3FE2PNB","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"UBDALE3J","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:02073a6ba0e217d40ba3d4328f7a04527d813f9303f3c171590bdf1e7267368c","target":"graph","created_at":"2026-05-18T03:15:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Being stimulated by the recent BESIII observation of a charged charmoniumlike structure $Z_c(3900)$, in this work we study the distributions of the $J/\\psi\\pi^\\pm$ and $\\pi^+\\pi^-$ invariant mass spectra of the $Y(4260)\\to \\pi^+\\pi^- J/\\psi$ decay by the initial-single-pion-emission mechanism, where the interference effects of the ISPE mechanism with two other decay modes are also taken into account. The obtained $d\\Gamma(Y(4260)\\to \\pi^+\\pi^- J/\\psi)/dm_{J/\\psi \\pi^\\pm}$ and $d\\Gamma(Y(4260)\\to \\pi^+\\pi^- J/\\psi)/dm_{\\pi^+ \\pi^-}$ marvelously agree with the BESIII data to reproduce the $Z_c(3","authors_text":"Dian-Yong Chen, Takayuki Matsuki, Xiang Liu","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-22T06:09:30Z","title":"Reproducing the $Z_c(3900)$ structure through the initial-single-pion-emission mechanism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5845","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:022f60c18fdca259039706e57519cc9fc754675110961add6c69751ce6c9a2d0","target":"record","created_at":"2026-05-18T03:15:34Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3994fbc3500dadbc45ff1b9b8feefbf50912f133de0243cb9b2384a4020b156b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-22T06:09:30Z","title_canon_sha256":"19c1725b1bfb759117c6923ef4acf9248a33cb5f0fc6646a61b2cb278a465c27"},"schema_version":"1.0","source":{"id":"1304.5845","kind":"arxiv","version":3}},"canonical_sha256":"a04605936986ca4d3da14fecd25ab7da4a1f1c7ae9bd0ce76b0dc235ce018650","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a04605936986ca4d3da14fecd25ab7da4a1f1c7ae9bd0ce76b0dc235ce018650","first_computed_at":"2026-05-18T03:15:34.132678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:34.132678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vk2Ke1Tc3/d7pGJP9jiPJleqEhTfzABwiolyx2XCSFTvG/u25ay+DBN2tfLPRZTsnn8LD88rechqXgV5zm2HCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:34.133308Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.5845","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:022f60c18fdca259039706e57519cc9fc754675110961add6c69751ce6c9a2d0","sha256:02073a6ba0e217d40ba3d4328f7a04527d813f9303f3c171590bdf1e7267368c"],"state_sha256":"7be5b57edcacbb3ebbd9d5d4befd250f16b6b9587aaceb524ffe7c095e85891e"}