{"paper":{"title":"Improved sensitivity to charged Higgs searches in Top quark decays $t \\to bH^+ \\to b (\\tau^+\\nu_\\tau)$ at the LHC using $\\tau$ polarisation and multivariate tecnniques","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ahmed Ali (DESY), Fernando Barreiro, Javier Llorente (UAM, Madrid)","submitted_at":"2011-03-09T16:42:01Z","abstract_excerpt":"We present an analysis with improved sensitivity to the light charged Higgs ($m_{H^+} < m_t-m_b$) searches in the top quark decays $t \\to b H^+ \\to b (\\tau^+\\nu_\\tau) + ~{\\rm c.c.}$ in the $t\\bar{t}$ and single $t/\\bar{t}$ production processes at the LHC. In the Minimal Supersymmetric Standard Model (MSSM), one anticipates the branching ratio ${\\cal B} (H^+ \\to \\tau^+\\nu_\\tau)\\simeq 1$ over almost the entire allowed $\\tan \\beta $ range. Noting that the $\\tau^+$ arising from the decay $H^+ \\to \\tau^+\\nu_\\tau$ are predominantly right-polarized, as opposed to the $\\tau^+$ from the dominant backgr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1827","kind":"arxiv","version":3},"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"}