{ "id": "hep-ph/9211227", "version": "v2", "published": "1992-11-07T23:53:00.000Z", "updated": "1992-11-17T16:40:52.000Z", "title": "Violation of the Bjorken Sum Rule in QCD", "authors": [ "Stefano Forte" ], "comment": "11 pages, no figures (several typos and a numerical error on pag. 5 corrected)", "journal": "Phys.Lett. B309 (1993) 174-178", "doi": "10.1016/0370-2693(93)91522-O", "categories": [ "hep-ph" ], "abstract": "We show that the Bjorken sum rule for the first moment of the polarized nucleon structure function $g_1$ is not necessarily satisfied in QCD if the axial anomaly is taken into account. We argue that nonperturbative QCD effects should lead to a violation of the sum rule of the order of the percentage isospin violation in current quark masses.", "revisions": [ { "version": "v2", "updated": "1992-11-17T16:40:52.000Z" } ], "analyses": { "keywords": [ "bjorken sum rule", "percentage isospin violation", "polarized nucleon structure function", "current quark masses", "nonperturbative qcd effects" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable", "inspire": 340337 } } }