{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:CRXHD3KX6J7W75ADHGA43KHUB2","short_pith_number":"pith:CRXHD3KX","schema_version":"1.0","canonical_sha256":"146e71ed57f27f6ff4033981cda8f40ebc6d658d00f540031a81bbb228d403fe","source":{"kind":"arxiv","id":"1211.4682","version":2},"attestation_state":"computed","paper":{"title":"Measurements of the branching fractions for J/psi and psi(2S) -> Lambda Lambdabar pi0 and Lambda Lambdabar eta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BESIII Collaboration","submitted_at":"2012-11-20T08:21:23Z","abstract_excerpt":"We report on a study of the isospin-violating and conserving decays of the J/psi and psi(2S) charmonium state to Lambda Lambdabar pi0 and Lambda Lambdabar eta, respectively. The data are based on 225 million J/psi and 106 million psi(2S) events that were collected with the BESIII detector. The most accurate measurement of the branching fraction of the isospin-violating process J/psi ->Lambda Lambdabar pi0 is obtained, and the isospin-conserving processes J/psi ->Lambda Lambdabar eta and psi(2S) ->Lambda Lambdabar eta are observed for the first time. The branching fractions are measured to be B"},"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":"1211.4682","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-11-20T08:21:23Z","cross_cats_sorted":[],"title_canon_sha256":"8e15a3b00d4502bf66b026f9e038661857d45e5eb6a53f944ba6ca1d957d4d44","abstract_canon_sha256":"79e1b0af04057fae66823d115f325cf91fcddb225920f4e2a809e4e8124625a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:40:15.625145Z","signature_b64":"2VDsP/uKTASaEgxTtzJZkFvRPT4XVjXpN0RkB/7sF/W+rvLGQz2olIR0Htcqc5DcZwk0LZVzvwWbKgaApxFyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"146e71ed57f27f6ff4033981cda8f40ebc6d658d00f540031a81bbb228d403fe","last_reissued_at":"2026-05-18T03:40:15.624706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:40:15.624706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurements of the branching fractions for J/psi and psi(2S) -> Lambda Lambdabar pi0 and Lambda Lambdabar eta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"BESIII Collaboration","submitted_at":"2012-11-20T08:21:23Z","abstract_excerpt":"We report on a study of the isospin-violating and conserving decays of the J/psi and psi(2S) charmonium state to Lambda Lambdabar pi0 and Lambda Lambdabar eta, respectively. The data are based on 225 million J/psi and 106 million psi(2S) events that were collected with the BESIII detector. The most accurate measurement of the branching fraction of the isospin-violating process J/psi ->Lambda Lambdabar pi0 is obtained, and the isospin-conserving processes J/psi ->Lambda Lambdabar eta and psi(2S) ->Lambda Lambdabar eta are observed for the first time. The branching fractions are measured to be B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.4682","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":"1211.4682","created_at":"2026-05-18T03:40:15.624775+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.4682v2","created_at":"2026-05-18T03:40:15.624775+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.4682","created_at":"2026-05-18T03:40:15.624775+00:00"},{"alias_kind":"pith_short_12","alias_value":"CRXHD3KX6J7W","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"CRXHD3KX6J7W75AD","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"CRXHD3KX","created_at":"2026-05-18T12:27:01.376967+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.06255","citing_title":"Role of the $\\Sigma(1430)(1/2^-)$ in the $J/\\psi \\to \\Lambda \\bar{\\Lambda} \\pi^0$ reaction","ref_index":18,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2","json":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2.json","graph_json":"https://pith.science/api/pith-number/CRXHD3KX6J7W75ADHGA43KHUB2/graph.json","events_json":"https://pith.science/api/pith-number/CRXHD3KX6J7W75ADHGA43KHUB2/events.json","paper":"https://pith.science/paper/CRXHD3KX"},"agent_actions":{"view_html":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2","download_json":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2.json","view_paper":"https://pith.science/paper/CRXHD3KX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.4682&json=true","fetch_graph":"https://pith.science/api/pith-number/CRXHD3KX6J7W75ADHGA43KHUB2/graph.json","fetch_events":"https://pith.science/api/pith-number/CRXHD3KX6J7W75ADHGA43KHUB2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2/action/storage_attestation","attest_author":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2/action/author_attestation","sign_citation":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2/action/citation_signature","submit_replication":"https://pith.science/pith/CRXHD3KX6J7W75ADHGA43KHUB2/action/replication_record"}},"created_at":"2026-05-18T03:40:15.624775+00:00","updated_at":"2026-05-18T03:40:15.624775+00:00"}