Search for leptonic decays of D(0) mesons

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题名:	Search for leptonic decays of D(0) mesons
作者:	Petric,M;Staric,M;Adachi,I;Aihara,H;Arinstein,K;Aushev,T;Bakich,AM;Balagura,V;Barberio,E;Belous,K;Bhardwaj,V;Bracko,M;Browder,TE;Chen,A;Chen,P;Cheon,BG;Cho,IS;Choi,Y;Dalseno,J;Danilov,M;Das,A;Dolezal,Z;Drutskoy,A;Dungel,W;Eidelman,S;Gabyshev,N;Goldenzweig,P;Golob,B;Ha,H;Haba,J;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hyun,HJ;Iijima,T;Inami,K;Itoh,R;Iwabuchi,M;Iwasaki,Y;Joshi,NJ;Julius,T;Katayama,N;Kawasaki,T;Kiesling,C;Kim,HJ;Kim,HO;Kim,MJ;Kim,SK;Ko,BR;Korpar,S;Krizan,P;Krokovny,P;Kuhr,T;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,SH;Li,J;Limosani,A;Liu,C;Liventsev,D;Louvot,R;Matyja,A;McOnie,S;Miyata,H;Miyazaki,Y;Mizuk,R;Mohanty,GB;Mori,T;Nakao,M;Natkaniec,Z;Nishida,S;Nitoh,O;Ohshima,T;Okuno,S;Olsen,SL;Pakhlova,G;Park,CW;Park,H;Park,HK;Pestotnik,R;Piilonen,LE;Prim,M;Rohrken,M;Ryu,S;Sakai,Y;Schneider,O;Senyo,K;Sevior,ME;Shapkin,M;Shebalin,V;Shen,CP;Shiu,JG;Shwartz,B;Simon,F;Smerkol,P;Sumiyoshi,T;Tanaka,M;Taniguchi,N;Taylor,GN;Teramoto,Y;Trabelsi,K;Tsuboyama,T;Uehara,S;Unno,Y;Uno,S;Varner,G;Vervink,K;Vinokurova,A;Wang,CH;Wang,MZ;Wang,P;Watanabe,M;Watanabe,Y;Won,E;Yabsley,BD;Yamashita,Y;Zhang,CC;Zhang,ZP;Zhulanov,V;Zivko,T;Zupanc,A
贡献者:	物理學系
关键词:	BELLE;IDENTIFICATION;DETECTOR
日期:	2010
上传时间:	2012-06-11 10:46:45 (UTC+8)
出版者:	國立中央大學
摘要:	We search for the flavor-changing neutral current decays D(0) -> mu(+)mu(-) and D(0) -> e(+)e(-), and for the lepton-flavor violating decays D(0) -> e(+/-)mu(-/+) using 660 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We find no evidence for any of these decays. We obtain significantly improved upper limits on the branching fractions: B(D(0) -> mu(+)mu(-)) < 1.4 x 10(-7), B(D(0) -> e(+)e(-)) < 7.9 x 10(-8), and B(D(0) -> e(+)mu(-)) + B(D(0) -> mu(+)e(-)) < 2.6 x 10(-7) at 90% confidence level.
關聯:	PHYSICAL REVIEW D
显示于类别:	[物理學系] 期刊論文

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