{ "id": "1001.3202", "version": "v2", "published": "2010-01-19T05:58:01.000Z", "updated": "2010-05-10T01:48:24.000Z", "title": "Search for CP violation in the decays $D^+_{(s)} \\to K_S^0π^+$ and $D^+_{(s)} \\to K_S^0K^+$", "authors": [ "B. R. Ko", "E. Won", "for the Belle collaboration" ], "journal": "Phys.Rev.Lett.104:181602,2010", "doi": "10.1103/PhysRevLett.104.181602", "categories": [ "hep-ex" ], "abstract": "We have searched for CP violation in the charmed meson decays $D^{+}_{(s)}\\to K^0_S\\pi^+$ and $D^{+}_{(s)}\\to K^0_S K^+$ using 673 fb$^{-1}$ of data collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. No evidence for CP violation is observed. We report the most sensitive CP asymmetry measurements to date for these decays: $A_{CP}^{D^+\\to K^0_S\\pi^+}=(-0.71\\pm0.19\\pm0.20)%$, $A_{CP}^{D^+_s\\to K^0_S\\pi^+}=(+5.45\\pm2.50\\pm0.33)%$, $A_{CP}^{D^+\\to K^0_S K^+}=(-0.16\\pm0.58\\pm0.25)%$, and $A_{CP}^{D^+_s\\to K^0_S K^+}=(+0.12\\pm0.36\\pm0.22)%$, where the first uncertainties are statistical and the second are systematic.", "revisions": [ { "version": "v2", "updated": "2010-05-10T01:48:24.000Z" } ], "analyses": { "subjects": [ "11.30.Er", "13.25.Ft", "14.40.Lb" ], "keywords": [ "cp violation", "sensitive cp asymmetry measurements", "first uncertainties", "charmed meson decays", "belle detector" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2010, "month": "May", "volume": 104, "number": 18, "pages": 181602 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 843256, "adsabs": "2010PhRvL.104r1602K" } } }