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Inclusive study of bottomonium production in association with an eta meson in e(+)e(-) annihilations near Upsilon(5S)

Authors
Tamponi, U.Guido, E.Mussa, R.Adachi, I.Aihara, H.Al Said, S.Asner, D. M.Atmacan, H.Aulchenko, V.Aushev, T.Ayad, R.Babu, V.Badhrees, I.Bakich, A. M.Bansal, V.Barberio, E.Behera, P.Berger, M.Bhardwaj, V.Bhuyan, B.Biswal, J.Bondar, A.Bozek, A.Bracko, M.Browder, T. E.Cervenkov, D.Chen, A.Cheon, B. G.Chilikin, K.Cho, K.Choi, Y.Cinabro, D.Cunliffe, S.Czank, T.Dash, N.Di Carlo, S.Dolezal, Z.Drasal, Z.Eidelman, S.Epifanov, D.Fast, J. E.Ferber, T.Fulsom, B. G.Garg, R.Gaur, V.Gabyshev, N.Garmash, A.Gelb, M.Goldenzweig, P.Haba, J.Hara, T.Hayasaka, K.Hayashii, H.Hedges, M. T.Hou, W. -S.Inami, K.Inguglia, G.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jaegle, I.Jeon, H. B.Jin, Y.Joo, K. K.Julius, T.Kang, K. H.Kawasaki, T.Kichimi, H.Kim, D. Y.Kim, H. J.Kim, J. B.Kim, K. T.Kim, S. H.Kinoshita, K.Kodys, P.Korpar, S.Kotchetkov, D.Krizan, P.Kroeger, R.Krokovny, P.Kulasiri, R.Kwon, Y. -J.Lee, I. S.Lee, S. C.Li, L. K.Li, Y.Gioi, L. LiLibby, J.Liventsev, D.Luo, T.Masuda, M.Matsuda, T.Matvienko, D.Merola, M.Miyata, H.Mizuk, R.Mohanty, G. B.Moon, H. K.Mori, T.Nanut, T.Nath, K. J.Natkaniec, Z.Nayak, M.Nisar, N. K.Nishida, S.Okuno, S.Ono, H.Onuki, Y.Pakhlov, P.Pakhlova, G.Pal, B.Park, H.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Ritter, M.Rostomyan, A.Russo, G.Sakai, Y.Salehi, M.Sandilya, S.Sanuki, T.Savinov, V.Schneider, O.Schnell, G.Schwanda, C.Seino, Y.Senyo, K.Seon, O.Sevior, M. E.Shebalin, V.Shen, C. P.Shibata, T. -A.Shimizu, N.Shiu, J. -G.Shwartz, B.Sokolov, A.Solovieva, E.Staric, M.Strube, J. F.Sumiyoshi, T.Takizawa, M.Tanida, K.Tenchini, F.Trabelsi, K.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Van Hulse, C.Varner, G.Vinokurova, A.Vorobyev, V.Vossen, A.Wang, B.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Widmann, E.Won, E.Ye, H.Yuan, C. Z.Yusa, Y.Zakharov, S.Zhang, Z. P.Zhilich, V.Zhukova, V.Zhulanov, V.Zupanc, A.
Issue Date
9-8월-2018
Publisher
SPRINGER
Citation
EUROPEAN PHYSICAL JOURNAL C, v.78, no.8
Indexed
SCIE
SCOPUS
Journal Title
EUROPEAN PHYSICAL JOURNAL C
Volume
78
Number
8
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/73784
DOI
10.1140/epjc/s10052-018-6086-4
ISSN
1434-6044
Abstract
We study bottomonium production in association with an eta meson in e(+)e(-) annihilations near the gamma (5S), at a centre-of-mass energy of root S = 10.866 GeV. The results are based on the 121.4 fb(-1) data sample collected by the Belle experiment at the asymmetric-energy KEKB collider. Only the eta meson is reconstructed and the missing-mass spectrum of eta candidates is investigated. We observe the e(+)e(- )-> eta Upsilon(J)(1D) process and find evidence for the e(+)e(-) -> eta Upsilon(2S) process, while no significant signals of Upsilon(1S), h(b)(1P), nor h(b)(2P) are found. Cross sections for the studied processes are reported.
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