{ "id": "0812.4796", "version": "v4", "published": "2008-12-30T12:21:05.000Z", "updated": "2009-01-13T20:57:03.000Z", "title": "Doubly CKM-suppressed corrections to CP asymmetries in $B^0 \\to J/ψ K^0$", "authors": [ "Michael Gronau", "Jonathan L. Rosner" ], "comment": "Three references added, submitted to Physics Letters B", "journal": "Phys.Lett.B672:349-353,2009", "doi": "10.1016/j.physletb.2009.01.049", "categories": [ "hep-ph", "hep-ex" ], "abstract": "A doubly CKM-suppressed amplitude in $B^0\\to J/\\psi K_S$ leads to corrections in CP asymmetries $S = \\sin 2\\beta, C=0$, which may be enhanced by long-distance rescattering. It has been suggested that this enhancement may lead to several percent corrections. We calculate an upper bound of order $10^{-3}$ on rescattering corrections using measured branching ratios for charmless $|\\Delta S|=1$ $B^0$ decays.", "revisions": [ { "version": "v4", "updated": "2009-01-13T20:57:03.000Z" } ], "analyses": { "subjects": [ "12.15.Ji", "12.15.Hh", "13.25.Hw", "14.40.Nd" ], "keywords": [ "doubly ckm-suppressed corrections", "cp asymmetries", "percent corrections", "upper bound", "enhancement" ], "tags": [ "journal article" ], "publication": { "journal": "Physics Letters B", "year": 2009, "month": "Mar", "volume": 672, "number": "4-5", "pages": 349 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 806374, "adsabs": "2009PhLB..672..349G" } } }