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Measurement of B -> D-s(()*K-)pi branching fractions

Authors
Wiechczynski, J.Lesiak, T.Aihara, H.Arinstein, K.Aulchenko, V.Bakich, A. M.Balagura, V.Barberio, E.Bay, A.Belous, K.Bhardwaj, V.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chao, Y.Chen, A.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Dash, M.Drutskoy, A.Eidelman, S.Epifanov, D.Gabyshev, N.Garmash, A.Goldenzweig, P.Ha, H.Han, B. -Y.Hoshi, Y.Hou, W. -S.Hyun, H. J.Iijima, T.Inami, K.Ishikawa, A.Iwasaki, M.Kah, D. H.Kang, J. H.Kapusta, P.Kawai, H.Kawasaki, T.Kichimi, H.Kim, H. O.Kim, J. H.Kim, Y. I.Kim, Y. J.Ko, B. R.Krizan, P.Krokovny, P.Kuzmin, A.Kwon, Y. -J.Kyeong, S. -H.Lee, S. E.Liu, C.Liu, Y.Liventsev, D.Louvot, R.Matyja, A.McOnie, S.Medvedeva, T.Miyata, H.Miyazaki, Y.Mori, T.Nagasaka, Y.Nakano, E.Nakao, M.Nakazawa, H.Nishimura, K.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Park, C. W.Park, H. K.Park, K. S.Pestotnik, R.Piilonen, L. E.Poluektov, A.Sahoo, H.Sakai, Y.Schneider, O.Schwanda, C.Sekiya, A.Senyo, K.Sevior, M. E.Shapkin, M.Shebalin, V.Shiu, J. -G.Shwartz, B.Singh, J. B.Sokolov, A.Stanic, S.Staric, M.Stypula, J.Sumiyoshi, T.Taylor, G. N.Teramoto, Y.Tikhomirov, I.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Usov, Y.Varner, G.Varvell, K. E.Vervink, K.Vinokurova, A.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, Y.Won, E.Yabsley, B. D.Yamashita, Y.Zhilich, V.Zhulanov, V.Zivko, T.Zupanc, A.Zwahlen, N.Zyukova, O.
Issue Date
9월-2009
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.80, no.5
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
80
Number
5
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119448
DOI
10.1103/PhysRevD.80.052005
ISSN
1550-7998
Abstract
We report a measurement of the exclusive B+ meson decay to the D-s(()*K-)(+)pi(+) final state using 657 x 10(6) B (B) over bar pairs collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We use D-s* -> D-s(-) -> phi pi(-), (K) over bar*(892)K-0(-) and (KSK-)-K-0 decay modes for D-s(()*()) reconstruction and measure the following branching fractions: B(B+ -> Ds-K+pi(+)) = (1.71(-0.07)(+0.08)(stat)(-0.20)(+0.20)(syst) +/- 0.15(B-int)) x 10(-4) and B(B+ -> D-s*K--(+)pi(+)) = (1.31(-0.12)(+0.13)(stat)(-0.25)(+0.25)(syst) +/- 0.12(B-int)) x 10(-4). The uncertainties are due to statistics, experimental systematic errors, and uncertainties of intermediate branching fractions, respectively.
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