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Using the form factors of the transitions $B_{(s)}\\to D_{(s)}(1S,2S)$ and $B_{(s)}\\to D^*_{(s)}(1S,2S)$, we calculate the branching ratios of the relevant semi-leptonic decays and find that $Br(B_{(s)}\\to D_{(s)}\\ell^\\prime\\nu_{\\ell^\\prime})$ and $Br(B_{(s)}\\to D^*_{(s)}\\ell^\\prime\\nu_{\\ell^\\prime})$ with $\\ell^\\prime=e,\\mu$ are agree well with the data, while $Br(B_{(s)}\\t"},"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":"2606.18576","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-06-17T00:57:04Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"3d9c340d955c59a757c2e136fa1d7a256c1715456c7d2eee1951eb5e2e3fd92c","abstract_canon_sha256":"aeaabca5b71505947a947cd06838c094440beea7b4e4528fd2cb0e21d4edb709"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:41.306475Z","signature_b64":"MztdXdX92YX1zHjzckGRFFRxtqTxRWwTXP4FwoUUOiRKnipUdF/R/pwZbiDQ6RRgWznGgzSm1KWL8rG856dyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca08e6b9742a25209582a9f2cbb272b0475c1492ae397b95738a459929882f54","last_reissued_at":"2026-06-19T16:11:41.306134Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:41.306134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Semi-leptonic decays $B \\to D^{(*)}(1S,2S)\\ell \\nu_{\\ell}$ within the covariant light-front approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Feng-Zhou Wang, Shi-Chen Xue, Zhi-Jie Sun, Zhi-Qing Zhang","submitted_at":"2026-06-17T00:57:04Z","abstract_excerpt":"We present a systematic analysis of the semi-leptonic decays $B_{(s)}\\to D_{(s)}(1S,2S)\\ell\\nu_\\ell$ and $B_{(s)}\\to D^*_{(s)}(1S,2S)\\ell\\nu_\\ell$ with $\\ell=e,\\mu,\\tau$ within the covariant light-front quark model (CLFQM). Using the form factors of the transitions $B_{(s)}\\to D_{(s)}(1S,2S)$ and $B_{(s)}\\to D^*_{(s)}(1S,2S)$, we calculate the branching ratios of the relevant semi-leptonic decays and find that $Br(B_{(s)}\\to D_{(s)}\\ell^\\prime\\nu_{\\ell^\\prime})$ and $Br(B_{(s)}\\to D^*_{(s)}\\ell^\\prime\\nu_{\\ell^\\prime})$ with $\\ell^\\prime=e,\\mu$ are agree well with the data, while $Br(B_{(s)}\\t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18576","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/2606.18576/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":"2606.18576","created_at":"2026-06-19T16:11:41.306187+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.18576v1","created_at":"2026-06-19T16:11:41.306187+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18576","created_at":"2026-06-19T16:11:41.306187+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZIEONOLUFISS","created_at":"2026-06-19T16:11:41.306187+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZIEONOLUFISSBFMC","created_at":"2026-06-19T16:11:41.306187+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZIEONOLU","created_at":"2026-06-19T16:11:41.306187+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/ZIEONOLUFISSBFMCVHZMXMTSWB","json":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB.json","graph_json":"https://pith.science/api/pith-number/ZIEONOLUFISSBFMCVHZMXMTSWB/graph.json","events_json":"https://pith.science/api/pith-number/ZIEONOLUFISSBFMCVHZMXMTSWB/events.json","paper":"https://pith.science/paper/ZIEONOLU"},"agent_actions":{"view_html":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB","download_json":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB.json","view_paper":"https://pith.science/paper/ZIEONOLU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.18576&json=true","fetch_graph":"https://pith.science/api/pith-number/ZIEONOLUFISSBFMCVHZMXMTSWB/graph.json","fetch_events":"https://pith.science/api/pith-number/ZIEONOLUFISSBFMCVHZMXMTSWB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB/action/storage_attestation","attest_author":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB/action/author_attestation","sign_citation":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB/action/citation_signature","submit_replication":"https://pith.science/pith/ZIEONOLUFISSBFMCVHZMXMTSWB/action/replication_record"}},"created_at":"2026-06-19T16:11:41.306187+00:00","updated_at":"2026-06-19T16:11:41.306187+00:00"}