{"paper":{"title":"Chiral quark model and the nucleon spin","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Harleen Dahiya, Manmohan Gupta","submitted_at":"2003-05-30T04:34:27Z","abstract_excerpt":"Using \\chiQM with configuration mixing, the contribution of the gluon polarization to the flavor singlet component of the total spin has been calculated phenomenologically through the relation \\Delta\\Sigma(Q^2)=\\Delta\\Sigma-\\frac{3\\alpha_s(Q^2)}{2\\pi}\\Delta g(Q^2) as defined in the Adler-Bardeen scheme, where \\Delta\\Sigma on the right hand side is Q^2 independent. For evaluation the contribution of gluon polarization \\Delta g'(=\\frac{3\\alpha_s(Q^2)}{2\\pi}\\Delta g(Q^2)), \\Delta\\Sigma is found in the \\chiQM by fixing the latest E866 data pertaining to \\bar u-\\bar d asymmetry and the spin polariz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0305327","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"}