{"paper":{"title":"New physics in inclusive $B \\to X_c\\ell \\bar{\\nu}$ decay in light of $R(D^{(*)})$ measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ahmed Rashed, Alakabha Datta, Saeed Kamali","submitted_at":"2018-01-25T02:49:00Z","abstract_excerpt":"In this work we study the effects of new-physics (NP) operators with different Lorentz structures on the inclusive $B \\to X_c\\tau \\bar{\\nu}$ decay and make predictions for the ratio of total decay rates $R(X_c)=\\frac{\\Gamma(B \\to X_c\\tau \\bar{\\nu}_\\tau)}{\\Gamma(B \\to X_c \\ell \\bar{\\nu}_\\ell)}$ with $\\ell=e, \\mu$, the differential decay rates, $\\frac{d\\Gamma}{dq^2}$ and $\\frac{d\\Gamma}{dE_\\tau}$, forward-backward asymmetry $A_{FB}$ and the ratio of the differential decay rates $B(q^2)=\\frac{d\\Gamma(B \\to X_c\\tau \\bar{\\nu}_\\tau)/dq^2}{d\\Gamma(B \\to X_c \\ell \\bar{\\nu}_\\ell)/dq^2}$. In addition, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08259","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"}