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We measure B[Upsilon(2S)->eta Upsilon(1S)]=(2.39+/-0.31(stat.)+/-0.14(syst.))10^-4 and Gamma[Upsilon(2S)->eta Upsilon(1S)]/Gamma[Upsilon(2S)-> pi+pi- Upsilon(1S)]=(1.35+/-0.17(stat.)+/-0.08(syst.))10^-3. We find no evidence for Upsilon(3S)->eta Upsilon(1S) and obtain B[Upsilon(3S)->eta Upsilon(1S)]<1.0 10^-4 and Gamma[Upsilon(3S)->eta Upsilon(1S)]/Gamma[Upsil"},"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":"1108.5874","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-08-30T08:37:14Z","cross_cats_sorted":[],"title_canon_sha256":"0fcd39d98880632458f328ee0fb3094da8426489fa26320d778b925cd6cce586","abstract_canon_sha256":"ba9160d1c74949eda4356d41c7912d89f59562d531b474e51bde20775a115f76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:21.559923Z","signature_b64":"KI+KY4yKmlJjV3eGOHE84V0SNTW60SomQbQY0d1mwidnOQ42sIULXfgH0V9qXNITpfIyzEUg+QdzjuPCTUBQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be685800fd185ddf905423da3356da2cff8308e7748f8715cdc234172d0654ff","last_reissued_at":"2026-05-18T03:23:21.559070Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:21.559070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Study of Upsilon(3S,2S) -> eta Upsilon(1S) and Upsilon(3S,2S) -> pi+pi- Upsilon(1S) hadronic trasitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"others, The BABAR Collaboration: J. P. Lees","submitted_at":"2011-08-30T08:37:14Z","abstract_excerpt":"We study the Upsilon(3S,2S)->eta Upsilon(1S) and Upsilon(3S,2S)->pi+pi- Upsilon(1S) transitions with 122 million Upsilon(3S) and 100 million Upsilon(2S) mesons collected by the BaBar detector at the PEP-II asymmetric energy e+e- collider. We measure B[Upsilon(2S)->eta Upsilon(1S)]=(2.39+/-0.31(stat.)+/-0.14(syst.))10^-4 and Gamma[Upsilon(2S)->eta Upsilon(1S)]/Gamma[Upsilon(2S)-> pi+pi- Upsilon(1S)]=(1.35+/-0.17(stat.)+/-0.08(syst.))10^-3. We find no evidence for Upsilon(3S)->eta Upsilon(1S) and obtain B[Upsilon(3S)->eta Upsilon(1S)]<1.0 10^-4 and Gamma[Upsilon(3S)->eta Upsilon(1S)]/Gamma[Upsil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.5874","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":"1108.5874","created_at":"2026-05-18T03:23:21.559209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1108.5874v2","created_at":"2026-05-18T03:23:21.559209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.5874","created_at":"2026-05-18T03:23:21.559209+00:00"},{"alias_kind":"pith_short_12","alias_value":"XZUFQAH5DBO5","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"XZUFQAH5DBO57ECU","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"XZUFQAH5","created_at":"2026-05-18T12:26:47.523578+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/XZUFQAH5DBO57ECUEPNDGVW2FT","json":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT.json","graph_json":"https://pith.science/api/pith-number/XZUFQAH5DBO57ECUEPNDGVW2FT/graph.json","events_json":"https://pith.science/api/pith-number/XZUFQAH5DBO57ECUEPNDGVW2FT/events.json","paper":"https://pith.science/paper/XZUFQAH5"},"agent_actions":{"view_html":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT","download_json":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT.json","view_paper":"https://pith.science/paper/XZUFQAH5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1108.5874&json=true","fetch_graph":"https://pith.science/api/pith-number/XZUFQAH5DBO57ECUEPNDGVW2FT/graph.json","fetch_events":"https://pith.science/api/pith-number/XZUFQAH5DBO57ECUEPNDGVW2FT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT/action/storage_attestation","attest_author":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT/action/author_attestation","sign_citation":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT/action/citation_signature","submit_replication":"https://pith.science/pith/XZUFQAH5DBO57ECUEPNDGVW2FT/action/replication_record"}},"created_at":"2026-05-18T03:23:21.559209+00:00","updated_at":"2026-05-18T03:23:21.559209+00:00"}