{"paper":{"title":"Radiatively corrected lepton energy distributions in top quark decays $t \\to bW^+ \\to b(\\ell^+ \\nu_\\ell)$ and $t \\to bH^+ \\to b (\\tau^+ \\nu_\\tau)$ and single charged prong energy distributions from subsequent $\\tau^+$ decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ahmed Ali, Eduard A. Kuraev, Yury Bystritskiy","submitted_at":"2009-11-16T15:49:03Z","abstract_excerpt":"We calculate the QED and QCD radiative corrections to the charged lepton energy distributions in the dominant semileptonic decays of the top quark $t \\to b W^+ \\to b(\\ell^+ \\nu_\\ell)$ $(\\ell=e, \\mu, \\tau)$ in the standard model(SM), and for the decay $t \\to b H^+ \\to b(\\tau^+ \\nu_\\tau)$ in an extension of the SM having a charged Higgs boson $H^\\pm$ with $m_{H^\\pm} < m_t -m_b$. The QCD corrections are calculated in the leading and next-to-leading logarithmic approximations, but the QED corrections are considered in the leading logarithmic approximation only. These corrections are numerically im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3027","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"}