{ "id": "hep-ph/0608085", "version": "v4", "published": "2006-08-07T21:28:59.000Z", "updated": "2006-10-27T21:29:19.000Z", "title": "Updated bounds on CP asymmetries in $B^0 \\to η' K_S$ and $B^0 \\to π^0 K_S$", "authors": [ "Michael Gronau", "Jonathan L. Rosner", "Jure Zupan" ], "comment": "10 pages, 3 figures. To be published in Phys. Rev. D. Discussion and references expanded; data updated", "journal": "Phys.Rev.D74:093003,2006", "doi": "10.1103/PhysRevD.74.093003", "categories": [ "hep-ph", "hep-ex" ], "abstract": "New rate measurements of $B^0$ decays into $\\pi^0\\pi^0, \\pi^0\\eta, \\pi^0\\eta', \\eta\\eta, \\eta\\eta', \\eta'\\eta'$ and $K^+ K^-$ are used in conjunction with flavor SU(3) to constrain the coefficients $S$ and $C$ of $\\sin\\Delta mt$ and $\\cos\\Delta mt$ in the time-dependent CP asymmetries of $B^0 \\to \\eta' K_S$ and $B^0 \\to \\pi^0 K_S$. Experimental values of $S_{\\eta' K}$ are now seen to be closer to the Standard Model expectations, fully consistent with the new improved bounds.", "revisions": [ { "version": "v4", "updated": "2006-10-27T21:29:19.000Z" } ], "analyses": { "subjects": [ "12.15.Ji", "12.15.Hh", "13.25.Hw", "14.40.Nd" ], "keywords": [ "updated bounds", "time-dependent cp asymmetries", "standard model expectations", "rate measurements", "experimental values" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. D" }, "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable", "inspire": 723430 } } }