Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays

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题名:	Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays
作者:	Lee,MJ;Aihara,H;Arinstein,K;Aulchenko,V;Aushev,T;Bakich,AM;Barberio,E;Bay,A;Belous,K;Bhardwaj,V;Bischofberger,M;Bondar,A;Bozek,A;Bracko,M;Browder,TE;Chang,P;Chen,A;Chen,P;Cheon,BG;Cho,IS;Choi,Y;Dalseno,J;Das,A;Dungel,W;Eidelman,S;Epifanov,D;Fujikawa,M;Gabyshev,N;Garmash,A;Ha,H;Haba,J;Han,BY;Hasegawa,Y;Hayasaka,K;Hayashii,H;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Iijima,T;Inami,K;Itoh,R;Iwasaki,M;Iwasaki,Y;Julius,T;Kah,DH;Kang,JH;Katayama,N;Kawasaki,T;Kiesling,C;Kim,HJ;Kim,HO;Kim,JH;Kim,SK;Kim,YI;Kim,YJ;Ko,BR;Korpar,S;Krizan,P;Krokovny,P;Kumita,T;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,SH;Li,J;Liu,C;Liu,Y;Liventsev,D;Louvot,R;MacNaughton,J;Mandl,F;McOnie,S;Miyata,H;Miyazaki,Y;Mori,T;Nakano,E;Nakao,M;Nakazawa,H;Natkaniec,Z;Nishida,S;Nitoh,O;Ogawa,S;Ohshima,T;Okuno,S;Olsen,SL;Pakhlov,P;Pakhlova,G;Palka,H;Park,CW;Park,H;Park,HK;Peak,LS;Pestotnik,R;Petric,M;Piilonen,LE;Poluektov,A;Ryu,S;Sahoo,H;Sakai,K;Sakai,Y;Schneider,O;Schwartz,AJ;Senyo,K;Sevior,ME;Shapkin,M;Shebalin,V;Shen,CP;Shiu,JG;Shwartz,B;Singh,JB;Smerkol,P;Sokolov,A;Solovieva,E;Stanic,S;Staric,M;Sumiyoshi,T;Taylor,GN;Teramoto,Y;Tikhomirov,I;Uehara,S;Ueno,K;Unno,Y;Uno,S;Urquijo,P;Ushiroda,Y;Usov,Y;Varner,G;Vervink,K;Vinokurova,A;Wang,CH;Wang,P;Watanabe,Y;Wedd,R;Won,E;Yabsley,BD;Yamashita,Y;Yamauchi,M;Yuan,CZ;Zhang,CC;Zhang,ZP;Zhilich,V;Zhulanov,V;Zivko,T;Zupanc,A;Zyukova,O
贡献者:	物理學系
关键词:	CURRENT-ALGEBRA;MONTE-CARLO;BELLE;KAONS;IDENTIFICATION;KEKB
日期:	2010
上传时间:	2012-06-11 10:43:49 (UTC+8)
出版者:	國立中央大學
摘要:	We present a study of tau(-)->pi(-)pi(+)pi(-)nu(tau), tau(-) -> K(-)pi(+)pi(-)nu(tau), tau(-) -> K(-)K(+) pi(-)nu(tau), and tau(-) -> K(-)K(+)K(-)nu(tau) decays using a 666 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider at and near a center- of- mass energy of 10.58 GeV. The branching fractions are measured to be B(tau(-)->pi(-)pi(+)pi(-)nu(tau)) = (8.42 +/- 0.00(-0.25)(+0.26)) x 10(-2), B(tau(-)-> K(-)pi(+)pi(-)nu(tau)) = 3.30 +/- 0.01(-0.17)(+0.16)) x 10(-3), B(tau(-)-> K(-)K(+)pi(-)nu(tau)) = (1.55 +/- 0.01(-0.05)(+0.06)) x 10(-3), and B(tau(-)-> K(-)K(+)K(-)nu(tau)), = (3.29 +/- 0.17(-0.20)(+0.19)) x 10(-5), where the first uncertainty is statistical and the second is systematic. These branching fractions do not include contributions from modes in which a pi(+)pi(-) pair originates from a K(S)(0) decay. We also present the unfolded invariant mass distributions for these decays.
關聯:	PHYSICAL REVIEW D
显示于类别:	[物理學系] 期刊論文

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