Search for lepton-flavor-violating tau decay into a lepton and an f(0)(980) meson

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题名:	Search for lepton-flavor-violating tau decay into a lepton and an f(0)(980) meson
作者:	Miyazaki,Y;Adachi,I;Aihara,H;Arinstein,K;Aushev,T;Bakich,AM;Bay,A;Bedny,I;Bitenc,U;Bondar,A;Bozeky,A;Bracko,M;Browder,TE;Chen,A;Cheon,BG;Cho,IS;Choi,Y;Dalseno,J;Dash,M;Drutskoy,A;Eidelman,S;Epifanov,D;Gabyshev,N;Goldenzweig,P;Ha,H;Haba,J;Hara,K;Hayasaka,K;Hayashii,H;Heffernan,D;Horii,Y;Hoshi,Y;Hou,WS;Hyun,HJ;Iijima,T;Inami,K;Ishikawa,A;Iwasaki,M;Iwasaki,Y;Kah,DH;Kaji,H;Kawai,H;Kawasaki,T;Kichimi,H;Kim,HO;Kim,YJ;Korpar,S;Krizan,P;Krokovny,P;Kumar,R;Kuzmin,A;Kyeong,SH;Lee,JS;Li,J;Liventsev,D;Louvot,R;Mandl,F;McOnie,S;Medvedeva,T;Miyata,H;Nagamine,T;Nakano,E;Nakao,M;Nakazawa,H;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Ozaki,H;Park,CW;Park,H;Park,HK;Pestotnik,R;Piilonen,LE;Poluektov,A;Sahoo,H;Sakai,Y;Schneider,O;Senyo,K;Shapkin,M;Shen,CP;Shiu,JG;Shwartz,B;Stanic,S;Staric,M;Sumiyoshi,T;Tanaka,M;Taylor,GN;Teramoto,Y;Tikhomirov,I;Uehara,S;Uglov,T;Unno,Y;Uno,S;Usuki,Y;Varner,G;Vinokurova,A;Wang,CH;Wang,P;Wang,XL;Watanabe,Y;Won,E;Yabsley,BD;Yamashita,Y;Yusa,Y;Zhang,ZP;Zhilich,V;Zhulanov,V;Zivko,T;Zupanc,A;Zyukova,O
贡献者:	物理研究所
关键词:	COLLISIONS;BELLE;IDENTIFICATION;SIMULATION;MODELS;JETS;KEKB
日期:	2009
上传时间:	2010-07-08 14:00:48 (UTC+8)
出版者:	中央大學
摘要:	We search for lepton-flavor-violating tau decays into a lepton (electron or muon) and an f(0)(980) meson using 671 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. No events are observed and we set the following 90% C.L. upper limits on the branching fraction products: beta(tau(-) -> e(-) f(0)(980)) x beta(f(0)(980) -> pi(+)pi(-)) < 3.2 x 10(-8) and beta(tau(-) -> mu(-) f(0)(980)) x beta(f(0)(980) -> pi(+)pi(-)) < 3.4 x 10(-8). This is the first search performed for these modes. (c) 2009 Elsevier B.V. All rights reserved.
關聯:	PHYSICS LETTERS B
显示于类别:	[物理研究所] 期刊論文

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