{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:CCFPYJOHJB7M6SMUUDTBTGHOR2","short_pith_number":"pith:CCFPYJOH","schema_version":"1.0","canonical_sha256":"108afc25c7487ecf4994a0e61998ee8e8feb0cc9fc6061b23d70c5de3cf4220e","source":{"kind":"arxiv","id":"1309.4610","version":1},"attestation_state":"computed","paper":{"title":"B, Bs, K and pi weak matrix elements with physical light quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"C.J. Monahan, C. McNeile, C.T.H. Davies, G.P. Lepage, J. Shigemitsu, R.J. Dowdall, R.R. Horgan","submitted_at":"2013-09-18T11:02:22Z","abstract_excerpt":"Calculations of pseudoscalar decay constants of B, Bs, K and pi mesons with physical light quarks are presented. We use HISQ ensembles that include u,d,s and c sea quarks at three lattice spacings. HISQ is used for the valence light quarks and a radiatively improved NRQCD action for the heavy quarks. The key results are f_{B^+}=0.184(4)$ GeV, f_{B_s}=0.224(4) GeV, f_{B_s}/f_{B^+}=1.217(8), f_{K^+}/f_{pi^+}=1.1916(21), f_{K^+}=155.37(34) MeV, giving a significant improvement over previous results that required chiral extrapolation. We also calculate the Wilson flow scale w_0, finding w_0=0.1715"},"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":"1309.4610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-18T11:02:22Z","cross_cats_sorted":[],"title_canon_sha256":"c10ee09f97dea0a6e8f06ed701017eed9bbd31c94d9c8a761d3cac322e09eb14","abstract_canon_sha256":"302bb25c51682076b64ef2b7f3005859bfb05997a83a580077aaca2ed8cb98a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:58.823129Z","signature_b64":"tAwK+KVefP1nV14kpKOFQ2LquXwUvPlPmVb2WByIgEpGwpETC0gOSIuGBsk+dFBqW9n371X7XlpLHxH/4LSXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"108afc25c7487ecf4994a0e61998ee8e8feb0cc9fc6061b23d70c5de3cf4220e","last_reissued_at":"2026-05-18T03:12:58.822538Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:58.822538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"B, Bs, K and pi weak matrix elements with physical light quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"C.J. Monahan, C. McNeile, C.T.H. Davies, G.P. Lepage, J. Shigemitsu, R.J. Dowdall, R.R. Horgan","submitted_at":"2013-09-18T11:02:22Z","abstract_excerpt":"Calculations of pseudoscalar decay constants of B, Bs, K and pi mesons with physical light quarks are presented. We use HISQ ensembles that include u,d,s and c sea quarks at three lattice spacings. HISQ is used for the valence light quarks and a radiatively improved NRQCD action for the heavy quarks. The key results are f_{B^+}=0.184(4)$ GeV, f_{B_s}=0.224(4) GeV, f_{B_s}/f_{B^+}=1.217(8), f_{K^+}/f_{pi^+}=1.1916(21), f_{K^+}=155.37(34) MeV, giving a significant improvement over previous results that required chiral extrapolation. We also calculate the Wilson flow scale w_0, finding w_0=0.1715"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4610","kind":"arxiv","version":1},"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":"1309.4610","created_at":"2026-05-18T03:12:58.822641+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.4610v1","created_at":"2026-05-18T03:12:58.822641+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4610","created_at":"2026-05-18T03:12:58.822641+00:00"},{"alias_kind":"pith_short_12","alias_value":"CCFPYJOHJB7M","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"CCFPYJOHJB7M6SMU","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"CCFPYJOH","created_at":"2026-05-18T12:27:40.988391+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/CCFPYJOHJB7M6SMUUDTBTGHOR2","json":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2.json","graph_json":"https://pith.science/api/pith-number/CCFPYJOHJB7M6SMUUDTBTGHOR2/graph.json","events_json":"https://pith.science/api/pith-number/CCFPYJOHJB7M6SMUUDTBTGHOR2/events.json","paper":"https://pith.science/paper/CCFPYJOH"},"agent_actions":{"view_html":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2","download_json":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2.json","view_paper":"https://pith.science/paper/CCFPYJOH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.4610&json=true","fetch_graph":"https://pith.science/api/pith-number/CCFPYJOHJB7M6SMUUDTBTGHOR2/graph.json","fetch_events":"https://pith.science/api/pith-number/CCFPYJOHJB7M6SMUUDTBTGHOR2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2/action/storage_attestation","attest_author":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2/action/author_attestation","sign_citation":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2/action/citation_signature","submit_replication":"https://pith.science/pith/CCFPYJOHJB7M6SMUUDTBTGHOR2/action/replication_record"}},"created_at":"2026-05-18T03:12:58.822641+00:00","updated_at":"2026-05-18T03:12:58.822641+00:00"}