{"paper":{"title":"Anatomy of $\\Lambda_c^+$ semileptonic decays","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Chao-Qiang Geng, Chia-Wei Liu, Xiang-Nan Jin","submitted_at":"2022-10-27T16:26:27Z","abstract_excerpt":"We present a systematic study of $\\Lambda_c^+ \\to {\\cal B}_q \\ell^+ \\nu_\\ell $ with ${\\cal B}_q = (\\Lambda, n)$ and $\\ell =( e, \\mu)$, examining all the possible decay observables based on the homogeneous bag model (HBM) and lattice QCD (LQCD). With the HBM, we find that the branching fractions and polarization asymmetries of the daughter baryon $\\Lambda$ are ${\\cal B}(\\Lambda_c^+ \\to \\Lambda e^+ \\nu_e, \\Lambda \\mu^+ \\nu_\\mu, n \\ell ^+ \\nu_\\ell ) = (3.78 \\pm 0.25, 3.67\\pm 0.23, 0.40\\pm 0.04 )\\%$ and $\\alpha_\\Lambda (\\Lambda_c^+ \\to \\Lambda e^+ \\nu_e,\\Lambda\\mu^+ \\nu_\\mu ) =(-82.6,-82.3)\\%$, re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.15588","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/2210.15588/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"}