{ "id": "1011.2818", "version": "v3", "published": "2010-11-12T03:32:27.000Z", "updated": "2011-03-04T08:53:00.000Z", "title": "The $P$-wave $[cs][\\bar{c}\\bar{s}]$ tetraquark state: Y(4260) or Y(4660)?", "authors": [ "Jian-Rong Zhang", "Ming-Qiu Huang" ], "comment": "Variations of continuum thresholds have been enlarged following the Referee's suggestions; the revised version accepted for publication in PRD; 7 pages 6 figures", "journal": "Phys.Rev.D83:036005,2011", "doi": "10.1103/PhysRevD.83.036005", "categories": [ "hep-ph", "hep-ex" ], "abstract": "The mass of $P$-wave $cs$-scalar-diquark $\\bar{c}\\bar{s}$-scalar-antidiquark state is computed in the framework of QCD sum rules. The result $4.69\\pm0.36{GeV}$ is in good agreement with the experimental value of Y(4660) but higher than Y(4260)'s, which supports the $P$-wave $[cs][\\bar{c}\\bar{s}]$ configuration for Y(4660) while disfavors the interpretation of Y(4260) as the $P$-wave $[cs][\\bar{c}\\bar{s}]$ state. In the same picture, the mass of $P$-wave $[bs][\\bar{b}\\bar{s}]$ is predicted to be $11.19\\pm0.49 {GeV}$.", "revisions": [ { "version": "v3", "updated": "2011-03-04T08:53:00.000Z" } ], "analyses": { "subjects": [ "11.55.Hx", "12.39.Mk", "12.38.Lg" ], "keywords": [ "tetraquark state", "qcd sum rules", "experimental value", "scalar-antidiquark state", "scalar-diquark" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review D", "year": 2011, "month": "Feb", "volume": 83, "number": 3, "pages": "036005" }, "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "inspire": 877401, "adsabs": "2011PhRvD..83c6005Z" } } }