{"paper":{"title":"A closer look at the $R_D$ and $R_{D^*}$ anomalies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Debjyoti Bardhan, Diptimoy Ghosh, Pritibhajan Byakti","submitted_at":"2016-10-10T19:26:12Z","abstract_excerpt":"The measurement of $R_D$ ($R_{D^*}$), the ratio of the branching fraction of $\\overline{B} \\to D \\tau \\bar{\\nu}_\\tau (\\overline{B} \\to D^* \\tau \\bar{\\nu}_\\tau)$ to that of $\\overline{B} \\to D l \\bar{\\nu}_l (\\overline{B} \\to D^* l \\bar{\\nu}_l)$, shows $1.9 \\sigma$ $(3.3 \\sigma)$ deviation from its Standard Model (SM) prediction. The combined deviation is at the level of $4 \\sigma$ according to the Heavy Flavour Averaging Group (HFAG). In this paper, we perform an effective field theory analysis (at the dimension-6 level) of these potential New Physics (NP) signals assuming $\\rm SU(3)_{C} \\times"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.03038","kind":"arxiv","version":5},"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"}