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The results are BF(B0 --> Ds+pi-) = (1.99 +/- 0.26 +/- 0.18)x10^-5 and BF(B0-bar --> Ds+K-) = (1.91 +/- 0.24 +/- 0.17)x10^-5, where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B0 --> D+pi- and the Cabibbo favored deca"},"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":"1007.4619","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-07-27T05:11:25Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"4ed010d0b64667e711a4df65974be5e462b1b789807594b1226453d80b9bda38","abstract_canon_sha256":"2855bf1a479cfe744b701c43e2252a662708a90be30cf312eb14a772057f3339"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:08.755018Z","signature_b64":"gwNhzHP1LduesJP1/Qu0ekhyFbOjUTVNYkexZqg19KiWXe/zPAQHlaV9v4tZqtdetbmPdc9kwwLuuhH5GUP1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6458c57c1ec08298bc16760a2493e24279defcaf1e19e6e6babce45973b9437","last_reissued_at":"2026-05-18T02:33:08.754460Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:08.754460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurements of Branching Fractions for B0 --> Ds+pi- and B0-bar --> Ds+K-","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Das, et al, The Belle Collaboration","submitted_at":"2010-07-27T05:11:25Z","abstract_excerpt":"We present improved measurements of the branching fractions for the decays B0 --> Ds+pi- and B0-bar --> Ds+K- using a data sample of 657x10^6 BB-bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The results are BF(B0 --> Ds+pi-) = (1.99 +/- 0.26 +/- 0.18)x10^-5 and BF(B0-bar --> Ds+K-) = (1.91 +/- 0.24 +/- 0.17)x10^-5, where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B0 --> D+pi- and the Cabibbo favored deca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4619","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":"1007.4619","created_at":"2026-05-18T02:33:08.754542+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.4619v2","created_at":"2026-05-18T02:33:08.754542+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4619","created_at":"2026-05-18T02:33:08.754542+00:00"},{"alias_kind":"pith_short_12","alias_value":"UZCYYV6B5QEC","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"UZCYYV6B5QECTC6B","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"UZCYYV6B","created_at":"2026-05-18T12:26:15.391820+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/UZCYYV6B5QECTC6BM5QKESJ6EQ","json":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ.json","graph_json":"https://pith.science/api/pith-number/UZCYYV6B5QECTC6BM5QKESJ6EQ/graph.json","events_json":"https://pith.science/api/pith-number/UZCYYV6B5QECTC6BM5QKESJ6EQ/events.json","paper":"https://pith.science/paper/UZCYYV6B"},"agent_actions":{"view_html":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ","download_json":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ.json","view_paper":"https://pith.science/paper/UZCYYV6B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.4619&json=true","fetch_graph":"https://pith.science/api/pith-number/UZCYYV6B5QECTC6BM5QKESJ6EQ/graph.json","fetch_events":"https://pith.science/api/pith-number/UZCYYV6B5QECTC6BM5QKESJ6EQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ/action/storage_attestation","attest_author":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ/action/author_attestation","sign_citation":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ/action/citation_signature","submit_replication":"https://pith.science/pith/UZCYYV6B5QECTC6BM5QKESJ6EQ/action/replication_record"}},"created_at":"2026-05-18T02:33:08.754542+00:00","updated_at":"2026-05-18T02:33:08.754542+00:00"}