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    题名: Observation of the Doubly Cabibbo-Suppressed Decay D-s(+)-> K+K+pi(-)
    作者: Ko,BR;Won,E;Aihara,H;Arinstein,K;Aushev,T;Bakich,AM;Balagura,V;Barberio,E;Bondar,A;Bozek,A;Bracko,M;Brodzicka,J;Browder,TE;Chen,A;Cheon,BG;Cho,IS;Choi,Y;Drutskoy,A;Dungel,W;Eidelman,S;Gabyshev,N;Goldenzweig,P;Golob,B;Ha,H;Haba,J;Han,BY;Hayasaka,K;Hayashii,H;Hoshi,Y;Hou,WS;Hyun,HJ;Itoh,R;Iwasaki,M;Kah,DH;Kang,JH;Kapusta,P;Kawasaki,T;Kichimi,H;Kim,HJ;Kim,HO;Kim,SK;Kim,YI;Kim,YJ;Kinoshita,K;Korpar,S;Krokovny,P;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lee,MJ;Lee,SE;Lesiak,T;Li,J;Limosani,A;Liu,C;Liu,Y;Liventsev,D;Louvot,R;MacNaughton,J;Mandl,F;McOnie,S;Medvedeva,T;Miyata,H;Miyazaki,Y;Nakano,E;Nakao,M;Natkaniec,Z;Nishida,S;Nishimura,K;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Ozaki,H;Pakhlov,P;Pakhlova,G;Palka,H;Park,CW;Park,H;Park,HK;Park,KS;Pestotnik,R;Piilonen,LE;Sahoo,H;Sakai,K;Sakai,Y;Schneider,O;Schwanda,C;Sekiya,A;Senyo,K;Sevior,ME;Shapkin,M;Shen,CP;Shiu,JG;Shwartz,B;Stanic,S;Staric,M;Sumiyoshi,T;Tanaka,M;Taylor,GN;Teramoto,Y;Trebelsi,K;Uehara,S;Ueno,K;Uglov,T;Unno,Y;Uno,S;Varner,G;Varvell,KE;Vervink,K;Wang,CC;Wang,CH;Wang,P;Wang,XL;Watanabe,Y;Wedd,R;Yabsley,BD;Yamashita,Y;Zhang,ZP;Zhilich,V;Zivko,T;Zupanc,A;Zyukova,O
    贡献者: 物理研究所
    关键词: PHYSICS;DETECTOR
    日期: 2009
    上传时间: 2010-07-08 14:00:31 (UTC+8)
    出版者: 中央大學
    摘要: We report the first observation of the doubly Cabibbo-suppressed decay D-s(+)-> K+K+pi(-) using 605 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The branching ratio with respect to its Cabibbo-favored counterpart B(D-s(+)-> K+K+pi(-))/B(D-s(+)-> K+K-pi(+)) is (0.229 +/- 0.028 +/- 0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+-> K+pi(+)pi(-), with a branching ratio B(D+-> K+pi(+)pi(-))/B(D+-> K-pi(+)pi(+))=(0.569 +/- 0.018 +/- 0.014)%.
    關聯: PHYSICAL REVIEW LETTERS
    显示于类别:[物理研究所] 期刊論文

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