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| 題名: | Measurements of branching fractions for B(0) -> D(s)(+) pi(-) and (B)over-bar(0) -> D(s)(+) K(-) |
| 作者: | Das,A;Aziz,T;Trabelsi,K;Mohanty,B;Adachi,I;Aihara,H;Arinstein,K;Aulchenko,V;Aushev,T;Bakich,AM;Balagura,V;Barberio,E;Belous,K;Bhardwaj,V;Bhuyan,B;Bischofberger,M;Bondar,A;Bozek,A;Bracko,M;Browder,TE;Chao,Y;Chen,A;Chen,KF;Chen,P;Cheon,BG;Chiang,CC;Cho,IS;Choi,Y;Dalseno,J;Danilov,M;Dolezal,Z;Drasal,Z;Drutskoy,A;Dungel,W;Eidelman,S;Esen,S;Gabyshev,N;Ha,H;Hayasaka,K;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hyun,HJ;Iijima,T;Inami,K;Itoh,R;Iwabuchi,M;Iwasaki,Y;Joshi,NJ;Julius,T;Kah,DH;Kang,JH;Kapusta,P;Kawai,H;Kawasaki,T;Kichimi,H;Kiesling,C;Kim,HJ;Kim,HO;Kim,JH;Kim,MJ;Kim,YJ;Kinoshita,K;Ko,BR;Kodys,P;Korpar,S;Krizan,P;Krokovny,P;Kuhr,T;Kumar,R;Kumita,T;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,MJ;Lee,SH;Li,J;Liu,C;Liu,Y;Liventsev,D;Louvot,R;MacNaughton,J;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mori,T;Nakano,E;Nakao,M;Neubauer,S;Nishida,S;Nitoh,O;Ohshima,T;Okuno,S;Olsen,SL;Ostrowicz,W;Pakhlova,G;Park,CW;Park,H;Park,HK;Park,KS;Pestotnik,R;Petric,M;Piilonen,LE;Rohrken,M;Ryu,S;Sahoo,H;Sakai,K;Sakai,Y;Schneider,O;Senyo,K;Sevior,ME;Shapkin,M;Shebalin,V;Shen,CP;Shiu,JG;Shwartz,B;Simon,F;Singh,JB;Sinha,R;Smerkol,P;Sokolov,A;Solovieva,E;Staric,M;Sumiyoshi,T;Suzuki,S;Teramoto,Y;Uehara,S;Uglov,T;Unno,Y;Uno,S;Usov,Y;Varner,G;Vervink,K;Wang,CH;Wang,P;Watanabe,M;Watanabe,Y;Williams,KM;Won,E;Yamashita,Y;Yamauchi,M;Zhang,CC;Zhang,ZP;Zhilich,V;Zhou,P;Zhulanov,V;Zupanc,A;Zyukova,O |
| 貢獻者: | 物理學系 |
| 關鍵詞: | CP-VIOLATION;B-MESONS;DECAYS;ANNIHILATION |
| 日期: | 2010 |
| 上傳時間: | 2012-06-11 10:44:17 (UTC+8) |
| 出版者: | 國立中央大學 |
| 摘要: | We present improved measurements of the branching fractions for the decays B(0) -> D(s)(+) pi(-) and (B) over bar (0) -> D(s)(+) K(-) using a data sample of 657 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider. The results are B(B(0) -> D(s)(+) pi(-)) = (1.99 +/- 0.26 +/- 0.18) X 10(-5) and B((B) over bar (0) -> D(s)(+) K(-)) = (1.91 +/- 0.24 +/- 0.17) X 10(-5), where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B(0) -> D(+)pi(-) and the Cabibbo favored decay B(0) -> D(-)pi(+), R(D pi) = [1.71 +/- 0.11(stat) +/- 0.09(syst) +/- 0.02(theo)]%, where the last term denotes the theory error. |
| 關聯: | PHYSICAL REVIEW D |
| 顯示於類別: | [物理學系] 期刊論文
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