{ "id": "0803.1798", "version": "v2", "published": "2008-03-12T15:27:53.000Z", "updated": "2008-05-15T07:42:30.000Z", "title": "Three-point vertices in Landau-gauge Yang-Mills theory", "authors": [ "Attilio Cucchieri", "Axel Maas", "Tereza Mendes" ], "comment": "9 pages, 6 figures; minor modifications and references added, version to appear in PRD", "journal": "Phys.Rev.D77:094510,2008", "doi": "10.1103/PhysRevD.77.094510", "categories": [ "hep-lat", "hep-ph" ], "abstract": "Vertices are of central importance for constructing QCD bound states out of the individual constituents of the theory, i.e. quarks and gluons. In particular, the determination of three-point vertices is crucial in non-perturbative investigations of QCD. We use numerical simulations of lattice gauge theory to obtain results for the 3-point vertices in Landau-gauge SU(2) Yang-Mills theory in three and four space-time dimensions for various kinematic configurations. In all cases considered, the ghost-gluon vertex is found to be essentially tree-level-like, while the three-gluon vertex is suppressed at intermediate momenta. For the smallest physical momenta, reachable only in three dimensions, we find that some of the three-gluon-vertex tensor structures change sign.", "revisions": [ { "version": "v2", "updated": "2008-05-15T07:42:30.000Z" } ], "analyses": { "subjects": [ "12.38.Aw", "11.15.Ha", "14.70.Dj" ], "keywords": [ "landau-gauge yang-mills theory", "three-point vertices", "three-gluon-vertex tensor structures change sign", "lattice gauge theory", "constructing qcd bound states" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review D", "year": 2008, "month": "May", "volume": 77, "number": 9, "pages": "094510" }, "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "inspire": 781246, "adsabs": "2008PhRvD..77i4510C" } } }