Search for lepton-number-violating B(+)-> D(-)l(+)l '(+) decays

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题名:	Search for lepton-number-violating B(+)-> D(-)l(+)l '(+) decays
作者:	Seon,O;Kwon,YJ;Iijima,T;Adachi,I;Aihara,H;Asner,DM;Aushev,T;Bakich,AM;Barberio,E;Bay,A;Bhardwaj,V;Bhuyan,B;Bischofberger,M;Bondar,A;Bozek,A;Bracko,M;Brodzicka,J;Brovchenko,O;Browder,TE;Chang,P;Chen,A;Chen,P;Cheon,BG;Chilikin,K;Cho,IS;Cho,K;Choi,SK;Choi,Y;Dalseno,J;Dolezal,Z;Drutskoy,A;Eidelman,S;Fast,JE;Gaur,V;Gabyshev,N;Goh,YM;Golob,B;Haba,J;Hara,K;Hara,T;Hayasaka,K;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Inami,K;Ishikawa,A;Itoh,R;Iwabuchi,M;Iwasaki,Y;Iwashita,T;Joshi,NJ;Julius,T;Kang,JH;Katayama,N;Kawasaki,T;Kichimi,H;Kim,HJ;Kim,HO;Kim,JB;Kim,JH;Kim,KT;Kim,MJ;Kim,SK;Kim,YJ;Kinoshita,K;Ko,BR;Kobayashi,N;Koblitz,S;Kodys,P;Korpar,S;Krizan,P;Kuhr,T;Kumita,T;Kuzmin,A;Kyeong,SH;Lange,JS;Lee,MJ;Lee,SH;Li,J;Li,Y;Libby,J;Lim,CL;Liu,C;Liu,Y;Liventsev,D;Louvot,R;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mizuk,R;Mohanty,GB;Nagasaka,Y;Nakano,E;Nakao,M;Nakazawa,H;Natkaniec,Z;Neubauer,S;Nishida,S;Nishimura,K;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Olsen,SL;Onuki,Y;Pakhlov,P;Pakhlova,G;Park,H;Park,HK;Park,KS;Pestotnik,R;Petric,M;Piilonen,LE;Prim,M;Rohrken,M;Ryu,S;Sahoo,H;Sakai,K;Sakai,Y;Sanuki,T;Schneider,O;Schwanda,C;Senyo,K;Sevior,ME;Shen,CP;Shibata,TA;Shiu,JG;Simon,F;Singh,JB;Smerkol,P;Sohn,YS;Sokolov,A;Solovieva,E;Stanic,S;Staric,M;Sumihama,M;Sumiyoshi,T;Suzuki,K;Suzuki,S;Tatishvili,G;Teramoto,Y;Trabelsi,K;Uchida,M;Uehara,S;Uglov,T;Unno,Y;Uno,S;Ushiroda,Y;Usov,Y;Vahsen,SE;Varner,G;Varvell,KE;Vinokurova,A;Wang,CH;Wang,MZ;Wang,P;Watanabe,M;Watanabe,Y;Williams,KM;Won,E;Yabsley,BD;Yamashita,Y;Yamauchi,M;Zhang,CC;Zhang,ZP;Zhilich,V;Zhulanov,V;Zupanc,A;Zyukova,O
贡献者:	物理學系
关键词:	OSCILLATION;NEUTRINOS
日期:	2011
上传时间:	2012-06-11 10:51:57 (UTC+8)
出版者:	國立中央大學
摘要:	We perform the first search for lepton-number-violating B(+) -> D(-)l(+)l'(+) decays, where l and l' stand for e or mu, using 772 x 10(6) B (B) over bar pairs accumulated at the Y(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. No evidence for these decays has been found. Assuming uniform three-body phase space distributions for the D(-)l(+)l'(+) decays, we set the following upper limits on the branching fractions at 90% confidence level.B(B(+) -> D(-)e(+)e(+)) < 2.6 x 10(-6), B(B(+) -> D(-)e(+mu+)) < 1.8 x 10(-6) and B(B(+) -> D(-)mu(+)mu(+)) < 1.1 x 10(-6).
關聯:	PHYSICAL REVIEW D
显示于类别:	[物理學系] 期刊論文

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