{"paper":{"title":"Measurement of sin^2\\theta_{eff}^{lept} and Z-light quark couplings using the forward-backward charge asymmetry in p\\bar{p} -> Z/\\gamma^{*} -> e^{+}e^{-} events with L=5.0 fb^{-1} at \\sqrt{s}=1.96 TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"D0 Collaboration, et al, V. Abazov","submitted_at":"2011-04-23T22:14:20Z","abstract_excerpt":"We measure the mass dependence of the forward-backward charge asymmetry in 157,553 $p\\bar{p} \\rightarrow Z/\\gamma^{*} \\rightarrow e^+e^-$ interactions, corresponding to 5.0 fb$^{-1}$ of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider at $\\sqrt{s}=1.96$ TeV. The effective weak mixing angle ($\\sin^2\\theta_{eff}^{lept}$) from this process involving predominantly the first generation of quarks is extracted as $\\sin^2\\theta_{eff}^{lept} = 0.2309 \\pm 0.0008 ({stat.}) \\pm 0.0006 ({syst.})$. We also present the most precise direct measurement of the vector and ax"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4590","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":""},"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"}