Observation of B(s)(0) -> D(s)*(-) pi(+) and B(s)(0) -> D(s)(*)(-)s rho(+) and Measurement of the B(s)(0) -> D(s)*(-) rho(+) Longitudinal Polarization Fraction

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题名:	Observation of B(s)(0) -> D(s)(-) pi(+) and B(s)(0) -> D(s)()(-)s rho(+) and Measurement of the B(s)(0) -> D(s)*(-) rho(+) Longitudinal Polarization Fraction
作者:	Louvot,R;Schneider,O;Aushev,T;Arinstein,K;Bakich,AM;Balagura,V;Barberio,E;Bay,A;Belous,K;Bischofberger,M;Bondar,A;Bozek,A;Bracko,M;Browder,TE;Chang,P;Chao,Y;Chen,A;Chen,KF;Chen,P;Cheon,BG;Chiang,CC;Cho,IS;Choi,Y;Danilov,M;Dash,M;Drutskoy,A;Eidelman,S;Goldenzweig,P;Golob,B;Ha,H;Haba,J;Hara,T;Horii,Y;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Iijima,T;Inami,K;Itoh,R;Iwabuchi,M;Iwasaki,M;Iwasaki,Y;Joshi,NJ;Kah,DH;Kang,JH;Kapusta,P;Katayama,N;Kawasaki,T;Kiesling,C;Kim,HJ;Kim,HO;Kim,JH;Kim,MJ;Kim,YJ;Kinoshita,K;Ko,BR;Kodys,P;Korpar,S;Krizan,P;Krokovny,P;Kumita,T;Kwon,YJ;Kyeong,SH;Lange,JS;Lee,MJ;Lee,SH;Li,J;Liu,C;Matyja,A;McOnie,S;Miyabayashi,K;Miyata,H;Miyazaki,Y;Mohanty,GB;Nakao,M;Nakazawa,H;Nishida,S;Nishimura,K;Nitoh,O;Ohshima,T;Okuno,S;Olsen,SL;Pakhlov,P;Pakhlova,G;Palka,H;Park,H;Park,HK;Pestotnik,R;Petric,M;Piilonen,LE;Poluektov,A;Prim,M;Rohrken,M;Ryu,S;Sahoo,H;Sakai,Y;Schwanda,C;Schwartz,AJ;Senyo,K;Sevior,ME;Shapkin,M;Shebalin,V;Shen,CP;Shiu,JG;Singh,JB;Smerkol,P;Sokolov,A;Stanic,S;Staric,M;Sumiyoshi,T;Taylor,GN;Teramoto,Y;Trabelsi,K;Uehara,S;Unno,Y;Uno,S;Varner,G;Varvell,KE;Vervink,K;Wang,CH;Wang,MZ;Wang,P;Wicht,J;Won,E;Yabsley,BD;Yamashita,Y;Zhang,ZP;Zivko,T;Zyukova,O
贡献者:	物理學系
关键词:	NONLEPTONIC DECAYS;MESONS;QUARK
日期:	2010
上传时间:	2012-06-11 10:44:50 (UTC+8)
出版者:	國立中央大學
摘要:	First observations of the B(s)(0) -> D(s)(-) pi(+), B(s)(0) -> D(s)()(-)s rho(+) and B(s)(0) -> D(s)(-) rho(+) decays are reported together with measurements of their branching fractions. B(B(s)(0) -> D(s)(-) pi(+)) = [2.4(-0.4)(+0.5)(stat) +/- 0.3(syst) +/- (0.4(f(s))] x 10(-3), B(B(s)(0) -> D(s)(-) rho(+)) = [8.50(-1.2)(+1.3)(stat) +/- 1.1(syst) +/- 1.3(f(s))] x 10(-3) and B(s)(0) -> D(s)()(-)s rho(+) = [11.9(-2.0)(+2.2)(stat) +/- 1.7(syst) +/- 1.8(f(s)) x 10(-3) (f(s) = N(Bs()1) ((B) over bars()) / N b (b) over bar). From helicity- angle distributions, we measured the longitudinal polarization fraction in B(s)(0) -> D(s)()(-)s rho(+) decays to be f(L)(B(s)(0) -> D(s)()(-)s rho(+)) = 1.05(-0.10)(+0.08)(stat)(-0.04)(+0.03)(syst). These results are based on a 23.6 fb(-1) data sample collected at the Y(5S) resonance with the Belle detector at the KEKB e(+)e(-) collider.
關聯:	PHYSICAL REVIEW LETTERS
显示于类别:	[物理學系] 期刊論文

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