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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/52788


    Title: Measurement of vertical bar V(ub)vertical bar from Inclusive Charmless Semileptonic B Decays
    Authors: Urquijo,P;Barberio,E;Adachi,I;Aihara,H;Arinstein,K;Bakich,AM;Belous,K;Bhardwaj,V;Bischofberger,M;Bozek,A;Bracko,M;Browder,TE;Chao,Y;Chen,A;Cheon,BG;Chistov,R;Cho,IS;Choi,Y;Dalseno,J;Das,A;Dash,M;Dungel,W;Eidelman,S;Gabyshev,N;Goldenzweig,P;Golob,B;Ha,H;Haba,J;Hayashii,H;Horii,Y;Hoshi,Y;Hou,WS;Hsiung,YB;Hyun,HJ;Iijima,T;Inami,K;Ishikawa,A;Itoh,R;Iwasaki,M;Kah,DH;Kang,JH;Katayama,N;Kawai,H;Kawasaki,T;Kim,HO;Kim,JH;Kim,SK;Kim,YI;Kim,YJ;Kinoshita,K;Ko,BR;Kreps,M;Krizan,P;Krokovny,P;Kuhr,T;Kuzmin,A;Kwon,YJ;Kyeong,SH;Lee,MJ;Lee,SE;Lee,SH;Lesiak,T;Li,J;Limosani,A;Liu,C;Liventsev,D;Louvot,R;Mandl,F;Matyja,A;McOnie,S;Miyata,H;Miyazaki,Y;Mizuk,R;Mori,T;Nagasaka,Y;Nakano,E;Nakao,M;Natkaniec,Z;Nishida,S;Nishimura,K;Nitoh,O;Nozaki,T;Ogawa,S;Ohshima,T;Okuno,S;Ostrowicz,W;Ozaki,H;Pakhlova,G;Park,CW;Park,HK;Park,KS;Pestotnik,R;Piilonen,LE;Sahoo,H;Sakai,Y;Schneider,O;Schwanda,C;Seidl,R;Senyo,K;Sevior,ME;Shapkin,M;Shiu,JG;Shwartz,B;Singh,JB;Stanic,S;Staric,M;Sumisawa,K;Taylor,GN;Teramoto,Y;Trabelsi,K;Uehara,S;Uglov,T;Unno,Y;Uno,S;Varner,G;Varvell,KE;Vervink,K;Wang,CH;Wang,MZ;Wang,P;Watanabe,Y;Wedd,R;Won,E;Yabsley,BD;Yamashita,Y;Zhang,ZP;Zhilich,V;Zhulanov,V;Zivko,T;Zupanc,A;Zyukova,O
    Contributors: 物理學系
    Date: 2010
    Issue Date: 2012-06-11 10:44:15 (UTC+8)
    Publisher: 國立中央大學
    Abstract: We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the Cabibbo-Kobayashi-Maskawa matrix element vertical bar V(ub)vertical bar, using a multivariate analysis method to access similar to 90% of the B -> X(u)l nu phase space. This approach dramatically reduces the theoretical uncertainties from the b-quark mass and nonperturbative QCD compared to all previous inclusive measurements. The results are based on a sample of 657 X 10(6) B (B) over bar pairs collected with the Belle detector. We find that Delta B(B -> X(u)l nu; p(l)*(B) > 1.0 GeV/c) = 1.963X(1 +/- 0.088(stat) +/- 0.081(syst)) X 10(-3). Corresponding values of vertical bar V(ub)vertical bar are extracted using several theoretical calculations.
    Relation: PHYSICAL REVIEW LETTERS
    Appears in Collections:[Department of Physics] journal & Dissertation

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