{ "id": "0705.1902", "version": "v3", "published": "2007-05-14T10:16:10.000Z", "updated": "2007-08-14T17:22:35.000Z", "title": "Pion form factor in the Kroll-Lee-Zumino model", "authors": [ "Cesareo A. Dominguez", "Juan I. Jottar", "Marcelo Loewe", "Bernard Willers" ], "comment": "Revised version corrects a misprint in Eq.(1)", "journal": "Phys.Rev.D76:095002,2007", "doi": "10.1103/PhysRevD.76.095002", "categories": [ "hep-ph", "nucl-th" ], "abstract": "The renormalizable Abelian quantum field theory model of Kroll, Lee, and Zumino is used to compute the one-loop vertex corrections to the tree-level, Vector Meson Dominance (VMD) pion form factor. These corrections, together with the known one-loop vacuum polarization contribution, lead to a substantial improvement over VMD. The resulting pion form factor in the space-like region is in excellent agreement with data in the whole range of accessible momentum transfers. The time-like form factor, known to reproduce the Gounaris-Sakurai formula at and near the rho-meson peak, is unaffected by the vertex correction at order $\\cal{O}$$(g_\\rpp^2)$.", "revisions": [ { "version": "v3", "updated": "2007-08-14T17:22:35.000Z" } ], "analyses": { "subjects": [ "12.10.Dm" ], "keywords": [ "pion form factor", "kroll-lee-zumino model", "abelian quantum field theory model", "vertex correction", "one-loop vacuum polarization contribution" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review D", "year": 2007, "month": "Nov", "volume": 76, "number": 9, "pages": "095002" }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 750505, "adsabs": "2007PhRvD..76i5002D" } } }