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Evidence for the eta(b)(2S) and Observation of h(b)(1P) -> eta(b)(1S)gamma and h(b)(2P) -> eta(b)(1S)gammaopen access

Authors
Mizuk, R.Asner, D. M.Bondar, A.Pedlar, T. K.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Aziz, T.Bakich, A. M.Bay, A.Belous, K.Bhardwaj, V.Bhuyan, B.Bischofberger, M.Bonvicini, G.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chekelian, V.Chen, A.Chen, P.Cheon, Byung GuChilikin, K.Chistov, R.Cho, I. -S.Cho, K.Choi, S. -K.Choi, Y.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, Z.Drutskoy, A.Eidelman, S.Epifanov, D.Fast, J. E.Gaur, V.Gabyshev, N.Garmash, A.Golob, B.Haba, J.Hara, T.Hayasaka, K.Hayashii, H.Horii, Y.Hoshi, Y.Hou, W. -S.Hsiung, Y. B.Hyun, H. J.Iijima, T.Ishikawa, A.Itoh, R.Iwabuchi, M.Iwasaki, Y.Iwashita, T.Jaegle, I.Julius, T.Kang, J. H.Kapusta, P.Kawasaki, T.Kim, H. J.Kim, H. O.Kim, J. H.Kim, K. T.Kim, M. J.Kim, Y. J.Kinoshita, K.Ko, B. R.Koblitz, S.Kodys, P.Korpar, S.Kouzes, R. T.Krizan, P.Krokovny, P.Kuhr, T.Kumita, T.Kuzmin, A.Kwon, Y. -J.Lange, J. S.Lee, S. -H.Li, J.Libby, J.Liu, C.Liu, Y.Liu, Z. Q.Liventsev, D.Louvot, R.Matvienko, D.McOnie, S.Miyabayashi, K.Miyata, H.Mohanty, G. B.Mohapatra, D.Moll, A.Muramatsu, N.Mussa, R.Nakao, M.Natkaniec, Z.Ng, C.Nishida, S.Nishimura, K.Nitoh, O.Nozaki, T.Ohshima, T.Okuno, S.Olsen, S. L.Onuki, Y.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Pestotnik, R.Petric, M.Piilonen, L. E.Poluektov, A.Roehrken, M.Sakai, Y.Sandilya, S.Santel, D.Sanuki, T.Sato, Y.Schneider, O.Schwanda, C.Senyo, K.Seon, O.Sevior, M. E.Shapkin, M.Shen, C. P.Shibata, T. -A.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Smerkol, P.Sohn, Y. -S.Sokolov, A.Solovieva, E.Stanic, S.Staric, M.Sumihama, M.Sumiyoshi, T.Tanida, K.Tatishvili, G.Teramoto, Y.Tikhomirov, I.Trabelsi, K.Tsuboyama, T.Uchida, M.Uehara, S.Uglov, T.Unno, Y.Uno, S.Vanhoefer, P.Varner, G.Varvell, K. E.Vinokurova, A.Vorobyev, V.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Williams, K. M.Won, E.Yabsley, B. D.Yamaoka, J.Yamashita, Y.Yuan, C. Z.Zhang, Z. P.Zhilich, V.
Issue Date
Dec-2012
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.109, no.23, pp.1 - 6
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW LETTERS
Volume
109
Number
23
Start Page
1
End Page
6
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144688
DOI
10.1103/PhysRevLett.109.232002
ISSN
0031-9007
Abstract
We report the first evidence for the eta(b)(2S) using the h(b)(2P) -> eta(b)(2S)gamma transition and the first observation of the h(b)(1P) -> eta(b)(1S)gamma and h(b)(2P) -> eta(b)(1S)gamma transitions. The mass and width of the eta(b)(1S) and eta(b)(2S) are measured to be m(eta b(1S)) = (9402.4 +/- 1.5 +/- 1.8) MeV/c(2), m eta(b(2S)) = (9999.0 +/- 3.5 +/- 2.8 -1.9) MeV/c(2), and Gamma(eta b)(1S) = (10.8(-3.7-2.0)(+4.0+4.5)) MeV. We also update the h(b)(1P) and h(b)(2P) mass measurements. We use a 133.4 fb(-1) data sample collected at energies near the d5S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
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