Evidence for the Suppressed Decay B(-) -> DK(-), D -> K(+)pi-

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题名:	Evidence for the Suppressed Decay B(-) -> DK(-), D -> K(+)pi-
作者:	Horii,Y;Trabelsi,K;Yamamoto,H;Adachi,I;Aihara,H;Arinstein,K;Aulchenko,V;Aushev,T;Balagura,V;Barberio,E;Belous,K;Bhuyan,B;Bischofberger,M;Bozek,A;Bracko,M;Browder,TE;Chang,MC;Chang,P;Chen,A;Chen,P;Cheon,BG;Chiang,CC;Cho,IS;Cho,K;Choi,Y;Dolezal,Z;Eidelman,S;Feindt,M;Gaur,V;Gabyshev,N;Garmash,A;Golob,B;Ha,H;Haba,J;Hayasaka,K;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Iijima,T;Inami,K;Ishikawa,A;Itoh,R;Iwabuchi,M;Iwasaki,Y;Iwashita,T;Joshi,NJ;Julius,T;Kang,JH;Kawasaki,T;Kichimi,H;Kiesling,C;Kim,HJ;Kim,HO;Kim,MJ;Kim,YJ;Kinoshita,K;Ko,BR;Kobayashi,N;Korpar,S;Krizan,P;Kuhr,T;Kumar,R;Kwon,YJ;Lee,MJ;Lee,SH;Li,J;Liu,C;Liventsev,D;Louvot,R;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mohanty,GB;Moll,A;Mori,T;Muramatsu,N;Nakano,E;Nakazawa,H;Natkaniec,Z;Neubauer,S;Nishida,S;Nitoh,O;Ohshima,T;Okuno,S;Onuki,Y;Pakhlov,P;Pakhlova,G;Park,CW;Park,HK;Pestotnik,R;Petric,M;Piilonen,LE;Poluektov,A;Prim,M;Prothmann,K;Rohrken,M;Ryu,S;Sahoo,H;Sakai,Y;Schneider,O;Schwanda,C;Schwartz,AJ;Senyo,K;Seon,O;Sevior,ME;Shapkin,M;Shebalin,V;Shen,CP;Shibata,TA;Shiu,JG;Simon,F;Smerkol,P;Sohn,YS;Solovieva,E;Stanic,S;Staric,M;Sumihama,M;Sumiyoshi,T;Suzuki,S;Tanaka,S;Teramoto,Y;Uchida,M;Uehara,S;Uglov,T;Unno,Y;Uno,S;Usov,Y;Varner,G;Vinokurova,A;Vossen,A;Wang,CH;Wang,P;Watanabe,M;Watanabe,Y;Wicht,J;Won,E;Yabsley,BD;Yamashita,Y;Zander,D;Zhang,ZP;Zhulanov,V;Zupanc,A
贡献者:	物理學系
关键词:	CP-VIOLATION;BELLE
日期:	2011
上传时间:	2012-06-11 10:48:52 (UTC+8)
出版者:	國立中央大學
摘要:	The suppressed decay chain B(-) -> DK(-), D -> K(+)pi(-), where D indicates a (D) over bar (0) or D(0) state, provides important information on the CP-violating angle phi(3). We measure the ratio R(DK) of the decay rates to the favored mode B(-) -> DK(-), D -> K(+)pi(-) to be R(DK) = [1.63(-0.41)(+0.44)(stat)(-0.13)(+0.07)(syst)] x 10(-2), which indicates the first evidence of the signal with a significance of 4.1 sigma. We also measure the asymmetry A(DK) between the charge-conjugate decays to be A(DK) = -0.39(-0.28)(+0.26)(stat)(-0.03)(+0.04)(syst). The results are based on the full 772 x 10(6) B (B) over bar pair data sample collected at the Gamma(4S) resonance with the Belle detector.
關聯:	PHYSICAL REVIEW LETTERS
显示于类别:	[物理學系] 期刊論文

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