{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:U2EUKSIMUA52U5PGRA5B4PHMHZ","short_pith_number":"pith:U2EUKSIM","schema_version":"1.0","canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","source":{"kind":"arxiv","id":"2205.06372","version":1},"attestation_state":"computed","paper":{"title":"Measurement of Lepton Mass Squared Moments in $B \\to X_c \\ell \\bar \\nu_{\\ell}$ Decays with the Belle II Experiment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Belle II Collaboration","submitted_at":"2022-05-12T21:29:49Z","abstract_excerpt":"We present measurements of the first to fourth moments of the lepton mass squared $q^2$ of \\mbox{$B \\to X_c \\, \\ell\\, \\bar \\nu_{\\ell}$} decays for $\\ell = e, \\mu$ and with $X_c$ a hadronic system containing a charm quark. These results use a sample of electron-positron collisions at the $\\Upsilon(4S)$ resonance corresponding to $62.8 \\, \\mathrm{fb}^{-1}$ of integrated luminosity and collected by the Belle II experiment in 2019 and 2020. To identify the $X_c$ system and reconstruct $q^2$, one of the $B$ mesons from an $\\Upsilon(4S) \\to B \\kern 0.18em\\overline{\\kern -0.18em B}$ decay is fully re"},"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":"2205.06372","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea6317bd81030124ea75e1cfd56ad64605c46d895961bd832f279c26ba80f206","abstract_canon_sha256":"86c54db45b524e295b00060423b3c1bb9d61eea435e48e90ad53f5cf5154dc54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:22:56.952682Z","signature_b64":"1C6zQw5SVDrx+RVkvbdW4Fa+Rp8GWUB7g+2xyII0X2IYr/BA6npZIhbwzAg8JbS1DpvXimI6v3NuKgF8hvEoCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","last_reissued_at":"2026-07-05T04:22:56.952216Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:22:56.952216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of Lepton Mass Squared Moments in $B \\to X_c \\ell \\bar \\nu_{\\ell}$ Decays with the Belle II Experiment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Belle II Collaboration","submitted_at":"2022-05-12T21:29:49Z","abstract_excerpt":"We present measurements of the first to fourth moments of the lepton mass squared $q^2$ of \\mbox{$B \\to X_c \\, \\ell\\, \\bar \\nu_{\\ell}$} decays for $\\ell = e, \\mu$ and with $X_c$ a hadronic system containing a charm quark. These results use a sample of electron-positron collisions at the $\\Upsilon(4S)$ resonance corresponding to $62.8 \\, \\mathrm{fb}^{-1}$ of integrated luminosity and collected by the Belle II experiment in 2019 and 2020. To identify the $X_c$ system and reconstruct $q^2$, one of the $B$ mesons from an $\\Upsilon(4S) \\to B \\kern 0.18em\\overline{\\kern -0.18em B}$ decay is fully re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.06372","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.06372/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":"2205.06372","created_at":"2026-07-05T04:22:56.952290+00:00"},{"alias_kind":"arxiv_version","alias_value":"2205.06372v1","created_at":"2026-07-05T04:22:56.952290+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.06372","created_at":"2026-07-05T04:22:56.952290+00:00"},{"alias_kind":"pith_short_12","alias_value":"U2EUKSIMUA52","created_at":"2026-07-05T04:22:56.952290+00:00"},{"alias_kind":"pith_short_16","alias_value":"U2EUKSIMUA52U5PG","created_at":"2026-07-05T04:22:56.952290+00:00"},{"alias_kind":"pith_short_8","alias_value":"U2EUKSIM","created_at":"2026-07-05T04:22:56.952290+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.22123","citing_title":"New Physics in inclusive semileptonic $B$ decays","ref_index":53,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ","json":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ.json","graph_json":"https://pith.science/api/pith-number/U2EUKSIMUA52U5PGRA5B4PHMHZ/graph.json","events_json":"https://pith.science/api/pith-number/U2EUKSIMUA52U5PGRA5B4PHMHZ/events.json","paper":"https://pith.science/paper/U2EUKSIM"},"agent_actions":{"view_html":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ","download_json":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ.json","view_paper":"https://pith.science/paper/U2EUKSIM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2205.06372&json=true","fetch_graph":"https://pith.science/api/pith-number/U2EUKSIMUA52U5PGRA5B4PHMHZ/graph.json","fetch_events":"https://pith.science/api/pith-number/U2EUKSIMUA52U5PGRA5B4PHMHZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/action/storage_attestation","attest_author":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/action/author_attestation","sign_citation":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/action/citation_signature","submit_replication":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/action/replication_record"}},"created_at":"2026-07-05T04:22:56.952290+00:00","updated_at":"2026-07-05T04:22:56.952290+00:00"}