Measurement of the inclusive semileptonic branching fraction B(Bs0→X-ℓ+νℓ) at Belle

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题名:	Measurement of the inclusive semileptonic branching fraction B(Bs0→X-ℓ+νℓ) at Belle
作者:	陳鎰鋒;Zhang, C. C.;Shapkin, M.;Schneider, O.;Sakai, Y.;Röhrken, M.;Kim, Yongsun;Nagasaka, Yasushi;Itoh, R.;Louvot, R.;Dalseno, J.;Sibidanov, A.L.;Ogawa, S.;Browder, T. E.;Sanuki, T.;Hayashii, H.;Prim, M. T.;Klucar, J.;Sumiyoshi, T.;Kwon, Y. J.;Sandilya, S.;Kim, H. O.;Pakhlov, P.;Drutskoy, A.;Uchida, M.;Ohshima, T.;Iijima, T.;Iwasaki, Y.;Miyabayashi, K.;Wang, P.;Shibata, T. A.;Zhang, Z. P.;Choi, S. K.;Ganguly, S.;Oswald, C.;Lutz, O.;Liu, Yueh-Feng;Dingfelder, Jochen;Schwanda, C.;Starič, M.;Park, H.;Senyo, K.;Liu, Z. Q.;Nakao, M.;Yamamoto, H.;Prothmann, K.;Hulse, C. Van;Lee, Sang Hoon;Drásal, Z.;Cho, K.;Petrič, Marko;Cheon, Byung Gu;Nozaki, T.;Aihara, H.;Arinstein, K.;Eidelman, S.I.;Muramatsu, Norihito;Varvell, Kevin;Okuno, S.;Bračko, M.;Uglov, T.;Ritter, M.;Rozanska, M.;Ishikawa, A.;Hyun, H. J.;Chilikin, K.;Kang, J. H.;Vanhoefer, P.;Hoshi, Y.;Bhardwaj, V.;Nitoh, O.;Zupanc, Anze;Saito, T.;Sokolov, Andrey;Choi, Y.;Bondar, A.E.;Unno, Y.;Kronenbitter, B.;Zhilich, V.N.;Kim, M. J.;Haba, J.;Li, J.;Williams, K. M.;Chobanova, V.;Watanabe, Y.;Ryu, Sunmin;Sato, Yukinori;Olsen, S. L.;Varner, G. S.;Kumita, T.;Kim, K. T.;Libby, J.;Gabyshev, N.;Kim, J. B.;Asner, D. M.;Simon, Frank;Ostrowicz, W.;Kato, E.;Li, Yang;Korpar, S.;Horii, Yasuyuki
贡献者:	理學院物理學系
关键词:	ddc:530;info:eu-repo/classification/ddc/530;Physics
日期:	2013-04-30
上传时间:	2026-04-23 12:14:32 (UTC+8)
出版者:	American Physical Society;American Physical Society (APS)
摘要:	摘要： We report a measurement of the inclusive semileptonic B0s branching fraction in a 121 fb⁻¹ data sample collected near the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e⁺e⁻ collider. Events containing B⁰()sB¯¯¯⁰()s pairs are selected by reconstructing a tag side D⁺s and identifying a signal side lepton l⁺ (l=e, μ) that is required to have the same-sign charge to ensure that both originate from different B⁰s mesons. The B⁰s→X⁻l⁺νl branching fraction is extracted from the ratio of the measured yields of D⁺s mesons and D⁺sl⁺ pairs and the known production and branching fractions. The inclusive semileptonic branching fraction is measured to be [10.6±0.5(stat)±0.7(syst)]%. 出版者： American Physical Society (APS) 出版日期： 2013-04-30 出處： Physical Review D, 2013-04, Vol.87 識別號： ISSN: 1550-7998 識別號： EISSN: 1550-2368 識別號： DOI: 10.1103/physrevd.87.072008
显示于类别:	[物理學系] 期刊論文

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