{ "id": "1003.2604", "version": "v1", "published": "2010-03-12T19:31:06.000Z", "updated": "2010-03-12T19:31:06.000Z", "title": "$D^{*}D ρ$ vertex from QCD sum rules", "authors": [ "B. Osorio Rodrigues", "M. E. Bracco", "M. Nielsen", "F. S. Navarra" ], "comment": "9 pages, 6 figures", "categories": [ "hep-ph", "nucl-th" ], "abstract": "We calculate the form factors and the coupling constant in the $D^{*}D \\rho $ vertex in the framework of QCD sum rules. We evaluate the three point correlation functions of the vertex considering both $ D $ and $ \\rho $ mesons off--shell. The form factors obtained are very different but give the same coupling constant: $g_{D^{*}D \\rho} = 4.1 \\pm 0.1$ GeV$^{-1}$.", "revisions": [ { "version": "v1", "updated": "2010-03-12T19:31:06.000Z" } ], "analyses": { "subjects": [ "11.55.Hx", "12.38.Lg", "14.40.Lb", "14.40.Nd" ], "keywords": [ "qcd sum rules", "form factors", "coupling constant", "point correlation functions", "mesons off-shell" ], "tags": [ "journal article" ], "publication": { "doi": "10.1016/j.nuclphysa.2011.01.001", "journal": "Nuclear Physics A", "year": 2011, "month": "Feb", "volume": 852, "number": 1, "pages": 127 }, "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "inspire": 848738, "adsabs": "2011NuPhA.852..127R" } } }