{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZLHAHJGNZUM37QF7YYTB3T5IA4","short_pith_number":"pith:ZLHAHJGN","schema_version":"1.0","canonical_sha256":"cace03a4cdcd19bfc0bfc6261dcfa80700a7e9add924f10cc7ff0701cdfd43ee","source":{"kind":"arxiv","id":"1807.02730","version":4},"attestation_state":"computed","paper":{"title":"Model-Independent Bounds on $R(J/\\psi)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Henry Lamm, Richard F. Lebed, Thomas D. Cohen","submitted_at":"2018-07-08T00:43:27Z","abstract_excerpt":"We present a model-independent bound on $R(J/\\psi) \\! \\equiv \\! \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\tau^+\\nu_\\tau)/ \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\mu^+\\nu_\\mu)$. This bound is constructed by constraining the form factors through a combination of dispersive relations, heavy-quark relations at zero-recoil, and the limited existing determinations from lattice QCD. The resulting 95\\% confidence-level bound, $0.20\\leq R(J/\\psi)\\leq0.39$, agrees with the recent LHCb result at $1.3 \\, \\sigma$, and rules out some previously suggested model form factors."},"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":"1807.02730","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-07-08T00:43:27Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-th"],"title_canon_sha256":"e7e56133cac6dde067f6883233424d90bb46f1a1619971f992b9d8722a2f3ba4","abstract_canon_sha256":"512fc9a9b0be24665c0da1df2ea31fc83f4cbca22597a56daf4c6e0b8e9fc2f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:04.722886Z","signature_b64":"hFKXBJ3AubiXcpJarwBOBrVVP86Gggf4xo25puU7mYWye3qsFGysPxCgRMhKXxt72PGoVhYUDnG+NsFAPcOcDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cace03a4cdcd19bfc0bfc6261dcfa80700a7e9add924f10cc7ff0701cdfd43ee","last_reissued_at":"2026-05-18T00:03:04.722461Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:04.722461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Model-Independent Bounds on $R(J/\\psi)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-th"],"primary_cat":"hep-ph","authors_text":"Henry Lamm, Richard F. Lebed, Thomas D. Cohen","submitted_at":"2018-07-08T00:43:27Z","abstract_excerpt":"We present a model-independent bound on $R(J/\\psi) \\! \\equiv \\! \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\tau^+\\nu_\\tau)/ \\mathcal{BR} (B_c^+ \\rightarrow J/\\psi \\, \\mu^+\\nu_\\mu)$. This bound is constructed by constraining the form factors through a combination of dispersive relations, heavy-quark relations at zero-recoil, and the limited existing determinations from lattice QCD. The resulting 95\\% confidence-level bound, $0.20\\leq R(J/\\psi)\\leq0.39$, agrees with the recent LHCb result at $1.3 \\, \\sigma$, and rules out some previously suggested model form factors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02730","kind":"arxiv","version":4},"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":"1807.02730","created_at":"2026-05-18T00:03:04.722529+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.02730v4","created_at":"2026-05-18T00:03:04.722529+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02730","created_at":"2026-05-18T00:03:04.722529+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZLHAHJGNZUM3","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZLHAHJGNZUM37QF7","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZLHAHJGN","created_at":"2026-05-18T12:33:07.085635+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1909.02519","citing_title":"With or without U(2)? Probing non-standard flavor and helicity structures in semileptonic B decays","ref_index":45,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4","json":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4.json","graph_json":"https://pith.science/api/pith-number/ZLHAHJGNZUM37QF7YYTB3T5IA4/graph.json","events_json":"https://pith.science/api/pith-number/ZLHAHJGNZUM37QF7YYTB3T5IA4/events.json","paper":"https://pith.science/paper/ZLHAHJGN"},"agent_actions":{"view_html":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4","download_json":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4.json","view_paper":"https://pith.science/paper/ZLHAHJGN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.02730&json=true","fetch_graph":"https://pith.science/api/pith-number/ZLHAHJGNZUM37QF7YYTB3T5IA4/graph.json","fetch_events":"https://pith.science/api/pith-number/ZLHAHJGNZUM37QF7YYTB3T5IA4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4/action/storage_attestation","attest_author":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4/action/author_attestation","sign_citation":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4/action/citation_signature","submit_replication":"https://pith.science/pith/ZLHAHJGNZUM37QF7YYTB3T5IA4/action/replication_record"}},"created_at":"2026-05-18T00:03:04.722529+00:00","updated_at":"2026-05-18T00:03:04.722529+00:00"}