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Search for B decays to final states with the eta(c) meson

Authors
Vinokurova, A.Kuzmin, A.Eidelman, S.Abdesselam, A.Adachi, I.Aihara, H.Arinstein, K.Asner, D. M.Aushev, T.Ayad, R.Bakich, A. M.Bansal, V.Bhardwaj, V.Bhuyan, B.Bobrov, A.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Chekelian, V.Cheon, B. G.Chilikin, K.Chistov, R.Cho, K.Choi, S. -K.Choi, Y.Cinabro, D.Dingfelder, J.Dolezal, Z.Drasal, Z.Drutskoy, A.Dutta, D.Epifanov, D.Farhat, H.Fast, J. E.Ferber, T.Gaur, V.Gabyshev, N.Garmash, A.Gillard, R.Goh, Y. M.Golob, B.Haba, J.Hayasaka, K.Hayashii, H.He, X. H.Hou, W. -S.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, Y.Joffe, D.Julius, T.Kang, K. H.Kato, E.Kiesling, C.Kim, D. Y.Kim, H. J.Kim, J. H.Kim, K. T.Kim, M. J.Kim, S. H.Kim, Y. J.Kinoshita, K.Ko, B. R.Kodys, P.Korpar, S.Krizan, P.Krokovny, P.Kuhr, T.Kumita, T.Kwon, Y. -J.Lange, J. S.Gioi, L. LiLibby, J.Liventsev, D.Lukin, P.Matvienko, D.Miyabayashi, K.Miyake, H.Miyata, H.Mohanty, G. B.Moll, A.Mori, T.Mussa, R.Nakano, E.Nakao, M.Natkaniec, Z.Ng, C.Nisar, N. K.Nishida, S.Ogawa, S.Okuno, S.Olsen, S. L.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Pedlar, T. K.Pestotnik, R.Petric, M.Piilonen, L. E.Ribezl, E.Ritter, M.Rostomyan, A.Sakai, Y.Sandilya, S.Santel, D.Santelj, L.Sanuki, T.Sato, Y.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.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.Stanic, S.Staric, M.Steder, M.Sumihama, M.Sumiyoshi, T.Tamponi, U.Tatishvili, G.Teramoto, Y.Uchida, M.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.Watanabe, Y.Williams, K. M.Won, E.Yamaoka, J.Yashchenko, S.Yook, Y.Zhang, Z. P.Zhulanov, V.Zupanc, A.
Issue Date
18-6월-2015
Publisher
SPRINGER
Keywords
Exotics; Quarkonium; e plus -e-; Experiments; B physics; Particle and resonance production
Citation
JOURNAL OF HIGH ENERGY PHYSICS, no.6
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF HIGH ENERGY PHYSICS
Number
6
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/132750
DOI
10.1007/JHEP06(2015)132
ISSN
1126-6708
Abstract
We report a search for B decays to selected final states with the eta (c) meson: B (+/-) -> K (+/-) eta (c) pi (+) pi (-), B-+/- -> K-+/-eta(c)pi(+)pi(-), B-+/- -> K-+/-eta(c)eta and B-+/- -> K-+/-eta(c)pi(0). The analysis is based on 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 set 90% confidence level upper limits on the branching fractions of the studied B decay modes, independent of intermediate resonances, in the range (0.6-5.3) x 10(-4). We also search for molecular-state candidates in the D-0 (D) over bar*(0) - (D) over bar (0) D*(0), D-0 (D) over bar (0) + (D) over bar (0) D-0 and D*(0) (D) over bar*(0) + D*(0) (D) over bar*(0) D*(0) combinations, neutral partners of the Z(3900)(+/-) and Z(4020)(+/-), and a poorly understood state X(3915) as possible intermediate states in the decay chain, and set 90% confidence level upper limits on the product of branching fractions to the mentioned intermediate states and decay branching fractions of these states in the range (0.6-6.9) x 10(-5).
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