{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:OKJT2ELX27S7KMCO65X7SQKRTW","short_pith_number":"pith:OKJT2ELX","schema_version":"1.0","canonical_sha256":"72933d1177d7e5f5304ef76ff941519d880e127705089707264e4962cde08629","source":{"kind":"arxiv","id":"1908.02328","version":2},"attestation_state":"computed","paper":{"title":"Further tests of lepton flavour universality from the charged lepton energy distribution in $b\\to c$ semileptonic decays: The case of $\\Lambda_b\\to \\Lambda_c \\ell \\bar\\nu_\\ell$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Eliecer Hern\\'andez, Juan Nieves, Neus Penalva","submitted_at":"2019-08-06T19:03:39Z","abstract_excerpt":"In a general framework, valid for any $H\\to H'\\ell^-\\bar\\nu_\\ell$ semileptonic decay, we analyze the $d^2\\Gamma/(d\\omega d\\cos\\theta_\\ell)$ and $d^2\\Gamma/ (d\\omega dE_\\ell)$ distributions, with $\\omega$ being the product of the hadron four-velocities, $\\theta_\\ell$ the angle made by the three-momenta of the charged lepton and the final hadron in the $W^-$ center of mass frame and $E_\\ell$ the charged lepton energy in the decaying hadron rest frame. Within the Standard Model (SM), $ d^2\\Gamma/(d\\omega dE_\\ell)\\propto \\left(c_0(\\omega)+c_1(\\omega)E_\\ell/M+c_2(\\omega)E^2_\\ell/M^2\\right)$, with $"},"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":"1908.02328","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-08-06T19:03:39Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"b1972f01e09f7f7cb5d8549dca7815df9e5adbcb434ee99e3ab9cae6801ba4a4","abstract_canon_sha256":"fd0c78b4fe91f84027b2dfd18fd99cb0b9b082edf5989b8ca085123356f892d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:11.509324Z","signature_b64":"jWSiAredHNcI+FqalLs9aseasZ2DCI9zqhAKUSl9Qi75aOPTIqMRPHvW4z4cVlPJYJQqOOSpBtXUvJj08uD1CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72933d1177d7e5f5304ef76ff941519d880e127705089707264e4962cde08629","last_reissued_at":"2026-07-05T00:28:11.508757Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:11.508757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Further tests of lepton flavour universality from the charged lepton energy distribution in $b\\to c$ semileptonic decays: The case of $\\Lambda_b\\to \\Lambda_c \\ell \\bar\\nu_\\ell$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Eliecer Hern\\'andez, Juan Nieves, Neus Penalva","submitted_at":"2019-08-06T19:03:39Z","abstract_excerpt":"In a general framework, valid for any $H\\to H'\\ell^-\\bar\\nu_\\ell$ semileptonic decay, we analyze the $d^2\\Gamma/(d\\omega d\\cos\\theta_\\ell)$ and $d^2\\Gamma/ (d\\omega dE_\\ell)$ distributions, with $\\omega$ being the product of the hadron four-velocities, $\\theta_\\ell$ the angle made by the three-momenta of the charged lepton and the final hadron in the $W^-$ center of mass frame and $E_\\ell$ the charged lepton energy in the decaying hadron rest frame. Within the Standard Model (SM), $ d^2\\Gamma/(d\\omega dE_\\ell)\\propto \\left(c_0(\\omega)+c_1(\\omega)E_\\ell/M+c_2(\\omega)E^2_\\ell/M^2\\right)$, with $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02328","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.02328/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.02328","created_at":"2026-07-05T00:28:11.508822+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.02328v2","created_at":"2026-07-05T00:28:11.508822+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02328","created_at":"2026-07-05T00:28:11.508822+00:00"},{"alias_kind":"pith_short_12","alias_value":"OKJT2ELX27S7","created_at":"2026-07-05T00:28:11.508822+00:00"},{"alias_kind":"pith_short_16","alias_value":"OKJT2ELX27S7KMCO","created_at":"2026-07-05T00:28:11.508822+00:00"},{"alias_kind":"pith_short_8","alias_value":"OKJT2ELX","created_at":"2026-07-05T00:28:11.508822+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/OKJT2ELX27S7KMCO65X7SQKRTW","json":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW.json","graph_json":"https://pith.science/api/pith-number/OKJT2ELX27S7KMCO65X7SQKRTW/graph.json","events_json":"https://pith.science/api/pith-number/OKJT2ELX27S7KMCO65X7SQKRTW/events.json","paper":"https://pith.science/paper/OKJT2ELX"},"agent_actions":{"view_html":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW","download_json":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW.json","view_paper":"https://pith.science/paper/OKJT2ELX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.02328&json=true","fetch_graph":"https://pith.science/api/pith-number/OKJT2ELX27S7KMCO65X7SQKRTW/graph.json","fetch_events":"https://pith.science/api/pith-number/OKJT2ELX27S7KMCO65X7SQKRTW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW/action/storage_attestation","attest_author":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW/action/author_attestation","sign_citation":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW/action/citation_signature","submit_replication":"https://pith.science/pith/OKJT2ELX27S7KMCO65X7SQKRTW/action/replication_record"}},"created_at":"2026-07-05T00:28:11.508822+00:00","updated_at":"2026-07-05T00:28:11.508822+00:00"}