{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:DG44NMCEZE6YHSMI4HDXF7SVE2","short_pith_number":"pith:DG44NMCE","schema_version":"1.0","canonical_sha256":"19b9c6b044c93d83c988e1c772fe55268ed9127aa06e071d7e637cdea303d48d","source":{"kind":"arxiv","id":"hep-ph/0006068","version":1},"attestation_state":"computed","paper":{"title":"On the Inclusive Determination of V_{ub} from the Lepton Invariant Mass Spectrum","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Matthias Neubert (Cornell)","submitted_at":"2000-06-07T21:46:23Z","abstract_excerpt":"Bauer, Ligeti and Luke have recently proposed a new method for measuring |V_{ub}| in inclusive semileptonic B decays, using a cut on the lepton invariant mass to discriminate against b->c transitions. We investigate the structure of the heavy-quark expansion for this case and show that to all orders the magnitude of the leading perturbative and nonperturbative corrections is controlled by a hadronic scale mu_c=O(m_c) depending on the minimal value of q^2. These corrections can be analyzed using a modified version of the heavy-quark expansion (``hybrid expansion''). We find that the theoretical"},"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":"hep-ph/0006068","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-06-07T21:46:23Z","cross_cats_sorted":[],"title_canon_sha256":"566d6b9524b17b44c5b09997ae5f8ead2e97ca38295120186ccfff0b08dcdfb6","abstract_canon_sha256":"49bff3621384a05de962051a88fa5227fe9e24559b17a94a2eefed8d4d2658be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:50.079388Z","signature_b64":"LJw/8UZmFhDGBWvs2FWsm8Vh1IbjhoXgHvnF6i2DcE7qq7ld2AmuOflvQWv2VCkJgfd4WrNszRtGoV5VhJhfBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19b9c6b044c93d83c988e1c772fe55268ed9127aa06e071d7e637cdea303d48d","last_reissued_at":"2026-05-18T02:36:50.078866Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:50.078866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Inclusive Determination of V_{ub} from the Lepton Invariant Mass Spectrum","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Matthias Neubert (Cornell)","submitted_at":"2000-06-07T21:46:23Z","abstract_excerpt":"Bauer, Ligeti and Luke have recently proposed a new method for measuring |V_{ub}| in inclusive semileptonic B decays, using a cut on the lepton invariant mass to discriminate against b->c transitions. We investigate the structure of the heavy-quark expansion for this case and show that to all orders the magnitude of the leading perturbative and nonperturbative corrections is controlled by a hadronic scale mu_c=O(m_c) depending on the minimal value of q^2. These corrections can be analyzed using a modified version of the heavy-quark expansion (``hybrid expansion''). We find that the theoretical"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0006068","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":"hep-ph/0006068","created_at":"2026-05-18T02:36:50.078940+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0006068v1","created_at":"2026-05-18T02:36:50.078940+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0006068","created_at":"2026-05-18T02:36:50.078940+00:00"},{"alias_kind":"pith_short_12","alias_value":"DG44NMCEZE6Y","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"DG44NMCEZE6YHSMI","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"DG44NMCE","created_at":"2026-05-18T12:25:49.631198+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.07507","citing_title":"Long distance effects in inclusive rare $B$ decays and phenomenology of $\\bar{B}\\to X_d \\ell^+\\ell^-$","ref_index":46,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2","json":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2.json","graph_json":"https://pith.science/api/pith-number/DG44NMCEZE6YHSMI4HDXF7SVE2/graph.json","events_json":"https://pith.science/api/pith-number/DG44NMCEZE6YHSMI4HDXF7SVE2/events.json","paper":"https://pith.science/paper/DG44NMCE"},"agent_actions":{"view_html":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2","download_json":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2.json","view_paper":"https://pith.science/paper/DG44NMCE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0006068&json=true","fetch_graph":"https://pith.science/api/pith-number/DG44NMCEZE6YHSMI4HDXF7SVE2/graph.json","fetch_events":"https://pith.science/api/pith-number/DG44NMCEZE6YHSMI4HDXF7SVE2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2/action/storage_attestation","attest_author":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2/action/author_attestation","sign_citation":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2/action/citation_signature","submit_replication":"https://pith.science/pith/DG44NMCEZE6YHSMI4HDXF7SVE2/action/replication_record"}},"created_at":"2026-05-18T02:36:50.078940+00:00","updated_at":"2026-05-18T02:36:50.078940+00:00"}