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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52780

    Title: Measurement of CP violating asymmetries in B(0) -> K(+)K(-)K(S)(0) decays with a time-dependent Dalitz approach
    Authors: Nakahama,Y;Sumisawa,K;Aihara,H;Arinstein,K;Aushev,T;Aziz,T;Bakich,AM;Balagura,V;Belous,K;Bhardwaj,V;Bischofberger,M;Bondar,A;Bonvicini,G;Bozek,A;Bracko,M;Browder,TE;Chang,P;Chao,Y;Chen,A;Chen,P;Cheon,BG;Chiang,CC;Cho,IS;Choi,Y;Dalseno,J;Das,A;Dolezal,Z;Drasal,Z;Drutskoy,A;Eidelman,S;Goldenzweig,P;Golob,B;Haba,J;Hara,K;Hayasaka,K;Hazumi,M;Higuchi,T;Horii,Y;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Iijima,T;Inami,K;Itoh,R;Iwabuchi,M;Iwasaki,M;Iwasaki,Y;Julius,T;Kang,JH;Kapusta,P;Katayama,N;Kawai,H;Kawasaki,T;Kichimi,H;Kim,HJ;Kim,JH;Kim,MJ;Ko,BR;Kodys,P;Korpar,S;Krizan,P;Krokovny,P;Kuhr,T;Kumita,T;Kyeong,SH;Lee,MJ;Lee,SH;Liu,Y;Louvot,R;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mohanty,GB;Nakano,E;Nakao,M;Nakazawa,H;Neubauer,S;Nishida,S;Nishimura,K;Nitoh,O;Nozaki,T;Ogawa,S;Ohshima,T;Olsen,SL;Ostrowicz,W;Ozaki,H;Park,CW;Park,H;Park,HK;Pestotnik,R;Petric,M;Piilonen,LE;Prim,M;Sahoo,H;Sakai,Y;Schneider,O;Schwanda,C;Schwartz,AJ;Senyo,K;Sevior,ME;Shapkin,M;Shen,CP;Shiu,JG;Shwartz,B;Smerkol,P;Solovieva,E;Stanic,S;Staric,M;Sumiyoshi,T;Teramoto,Y;Trabelsi,K;Uehara,S;Uglov,T;Unno,Y;Uno,S;Ushiroda,Y;Varner,G;Varvell,KE;Vervink,K;Wang,CH;Wang,P;Wang,XL;Watanabe,Y;Wedd,R;Won,E;Yamashita,Y;Yusa,Y;Zander,D;Zhang,ZP;Zhilich,V;Zhou,P;Zivko,T;Zupanc,A
    Contributors: 物理學系
    Date: 2010
    Issue Date: 2012-06-11 10:43:44 (UTC+8)
    Publisher: 國立中央大學
    Abstract: We report a measurement of CP violating asymmetries in B(0) ((B(0)) over bar) -> K(+)K(-)K(S)(0) decays with a time-dependent Dalitz approach. This analysis is based on a data sample of 657 x 10(6) B (B) over bar pairs accumulated at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. As the result of an unbinned maximum likelihood fit to the selected candidates, the mixing-induced and direct CP violation parameters phi(eff)(1) and A(CP) are obtained for B(0) -> phi(1020)K(S)(0), B(0) -> f(0)(980)K(S)(0), and other B(0) -> K(+)K(-)K(S)(0) decays. We find four solutions that describe the data. There are phi(eff)(1) (B(0) -> phi(1020)K(S)(0)) = (32.2 +/- 9.0 +/- 2.6 +/- 1.4); phi(eff)(1)(B(0) -> phi(1020)K(S)(0)) = 26.2 +/- 8.8 +/- 2.7 +/- 1.2); phi(eff)(1)(B(0) phi(1020)K(S)(0)) = (27.3 +/- 8.6 +/- 2.8 +/- 1.3); and phi(eff)(1)(B(0) -> phi(1020)K(S)(0)) = (24.3 +/- 8.0 +/- 2.9 +/- 5.2). The values for the CP violating phase in B(0) -> phi(1020)K(S)(0) are similar, but other properties of the Dalitz plot are quite different for the four solutions. These four solutions have consistent phi(eff)(1) values for all three B-meson decay channels and none of them deviates significantly from the values measured in B -> (c (c) over bar )K(0) decays with the currently available statistics. In addition, we find no significant direct CP violation.
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