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Observation of the decay B-0 -> eta ' K* (892)(0)

Authors
Sato, S.Yusa, Y.Mohanty, G. B.Abdesselam, A.Adachi, I.Aihara, H.Al Said, S.Asner, D. M.Aushev, T.Ayad, R.Bahinipati, S.Bakich, A. M.Bansal, V.Bhardwaj, V.Bhuyan, B.Bonvicini, G.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chang, P.Chekelian, V.Chen, A.Cheon, B. G.Chilikin, K.Cho, K.Chobanova, V.Choi, Y.Cinabro, D.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, Z.Drutskoy, A.Eidelman, S.Farhat, H.Fast, J. E.Ferber, T.Frost, O.Gaur, V.Ganguly, S.Garmash, A.Gillard, R.Glattauer, R.Goh, Y. M.Golob, B.Grzymkowska, O.Hayasaka, K.Hayashii, H.He, X. H.Higuchi, T.Hou, W. -S.Huschle, M.Iijima, T.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, Y.Jaegle, I.Joo, K. K.Julius, T.Kato, E.Kawasaki, T.Kim, D. Y.Kim, J. B.Kim, J. H.Kim, K. T.Kim, M. J.Kim, Y. J.Kinoshita, K.Klucar, J.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kuhr, T.Kumita, T.Kwon, Y. -J.Li, J.Li, Y.Libby, J.Liventsev, D.Matvienko, D.Miyabayashi, K.Miyata, H.Mizuk, R.Moll, A.Nakano, E.Nakao, M.Nanut, T.Natkaniec, Z.Nedelkovska, E.Nisar, N. K.Nishida, S.Ogawa, S.Okuno, S.Pakhlov, P.Pakhlova, G.Park, H.Pedlar, T. K.Petric, M.Piilonen, L. E.Ritter, M.Rostomyan, A.Sakai, Y.Sandilya, S.Santelj, L.Sanuki, T.Sato, Y.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Schwartz, A. J.Semmler, D.Senyo, K.Seon, O.Sevior, M. E.Shebalin, V.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Sohn, Y. -S.Sokolov, A.Solovieva, E.Staric, M.Steder, M.Stypula, J.Sumihama, M.Tamponi, U.Tatishvili, G.Teramoto, Y.Thorne, F.Trabelsi, K.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Van Hulse, C.Vanhoefer, P.Varner, G.Vorobyev, V.Wagner, M. N.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Wehle, S.Williams, K. M.Won, E.Yashchenko, S.Yook, Y.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zupanc, A.
Issue Date
21-10월-2014
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.90, no.7
Indexed
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
90
Number
7
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97072
DOI
10.1103/PhysRevD.90.072009
ISSN
2470-0010
Abstract
We report a search for charmless hadronic decays of neutral B mesons to eta ' K* (892)(0). The results are based on a 711 fb(-1) data sample that contains 772 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 observe the decay for the first time with a significance of 5.0 standard deviations and obtain its branching fraction B[B-0 -> eta ' K* (892)(0)] = [2.6 +/- 0.7(stat) +/- 0.2(syst)] x 10(-6). We also measure the CP-violating asymmetry as A(CP) [B-0 -> eta ' K* (892)(0)] = -0.22 +/- 0.29(stat) +/- 0.07(syst).
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