{ "id": "hep-ex/0507092", "version": "v2", "published": "2005-07-22T01:35:58.000Z", "updated": "2005-11-21T02:17:52.000Z", "title": "Search for psi(3770)\\raρπat the BESII detector at the Beijing Electron-Positron Collider", "authors": [ "The BES Collaboration", "M. Ablikim" ], "comment": "15 pages, 5 figures", "journal": "Phys.Rev.D72:072007,2005", "doi": "10.1103/PhysRevD.72.072007", "categories": [ "hep-ex" ], "abstract": "Non-$D\\bar{D}$ decay $\\psppto \\rhopi$ is searched for using a data sample of $(17.3\\pm 0.5) pb^{-1}$ taken at the center-of-mass energy of 3.773 GeV by the BESII detector at the BEPC. No $\\rhopi$ signal is observed, and the upper limit of the cross section is measured to be $\\sigma(\\EETO \\rhopi)<6.0 pb$ at 90% C. L. Considering the interference between the continuum amplitude and the $\\pspp$ resonance amplitude, the branching fraction of $\\pspp$ decays to $\\rho\\pi$ is determined to be $\\BR(\\pspp\\ra\\rho\\pi)\\in(6.0\\times10^{-6}, 2.4\\times10^{-3})$ at 90% C. L. This is in agreement with the prediction of the $S$- and $D$-wave mixing scheme of the charmonium states for solving the ``$\\rhopi$ puzzle'' between $\\jpsi$ and $\\psp$ decays.", "revisions": [ { "version": "v2", "updated": "2005-11-21T02:17:52.000Z" } ], "analyses": { "subjects": [ "13.25.Gv", "14.40.Gx", "12.38.Qk" ], "keywords": [ "beijing electron-positron collider", "besii detector", "charmonium states", "data sample", "wave mixing scheme" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. D" }, "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable", "inspire": 688010 } } }