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Mizuk, R; Bondar, A; Adachi, I; Aihara, H; Asner, D M; Atmacan, H; Aulchenko, V; Aushev, T; Ayad, R; Badhrees, I; Bakich, A M; Barberio, E; Behera, P; Bhardwaj, V; Bhuyan, B; Biswal, J; Bobrov, A; Bonvicini, G; Bozek, A; Bracko, M; Browder, T E; Cervenkov, D; Chekelian, V; Chen, A; Cheon, B G; Chilikin, K; Chistov, R; Chobanova, V; Choi, S-K; Choi, Y; Cinabro, D; Dalseno, J; Danilov, M; Dash, N; Dolezal, Z; Drutskoy, A; Eidelman, S; Epifanov, D; Ferber, T; Fulsom, B G; Gaur, V; Garmash, A; Gillard, R; Goh, Y M; Goldenzweig, P; Golob, B; Greenwald, D; Hara, T; Hayasaka, K; Hayashii, H.
Affiliation
  • Mizuk R; P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991.
  • Bondar A; Moscow Physical Engineering Institute, Moscow 115409.
  • Adachi I; Moscow Institute of Physics and Technology, Moscow Region 141700.
  • Aihara H; Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090.
  • Asner DM; Novosibirsk State University, Novosibirsk 630090.
  • Atmacan H; SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193.
  • Aulchenko V; High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801.
  • Aushev T; Department of Physics, University of Tokyo, Tokyo 113-0033.
  • Ayad R; Pacific Northwest National Laboratory, Richland, Washington 99352.
  • Badhrees I; Middle East Technical University, 06531 Ankara.
  • Bakich AM; Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090.
  • Barberio E; Novosibirsk State University, Novosibirsk 630090.
  • Behera P; Moscow Institute of Physics and Technology, Moscow Region 141700.
  • Bhardwaj V; Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451.
  • Bhuyan B; King Abdulaziz City for Science and Technology, Riyadh 11442.
  • Biswal J; Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451.
  • Bobrov A; School of Physics, University of Sydney, New South Wales 2006.
  • Bonvicini G; School of Physics, University of Melbourne, Victoria 3010.
  • Bozek A; Indian Institute of Technology, Madras, Chennai 600036.
  • Bracko M; University of South Carolina, Columbia, South Carolina 29208.
  • Browder TE; Indian Institute of Technology, Guwahati, Assam 781039.
  • Cervenkov D; J. Stefan Institute, 1000 Ljubljana.
  • Chekelian V; Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090.
  • Chen A; Novosibirsk State University, Novosibirsk 630090.
  • Cheon BG; Wayne State University, Detroit, Michigan 48202.
  • Chilikin K; H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342.
  • Chistov R; J. Stefan Institute, 1000 Ljubljana.
  • Chobanova V; University of Maribor, 2000 Maribor.
  • Choi SK; University of Hawaii, Honolulu, Hawaii 96822.
  • Choi Y; Faculty of Mathematics and Physics, Charles University, 121 16 Prague.
  • Cinabro D; Max-Planck-Institut für Physik, 80805 München.
  • Dalseno J; National Central University, Chung-li 32054.
  • Danilov M; Hanyang University, Seoul 133-791.
  • Dash N; P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991.
  • Dolezal Z; Moscow Physical Engineering Institute, Moscow 115409.
  • Drutskoy A; P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991.
  • Eidelman S; Moscow Physical Engineering Institute, Moscow 115409.
  • Epifanov D; Max-Planck-Institut für Physik, 80805 München.
  • Ferber T; Gyeongsang National University, Chinju 660-701.
  • Fulsom BG; Sungkyunkwan University, Suwon 440-746.
  • Gaur V; Wayne State University, Detroit, Michigan 48202.
  • Garmash A; Max-Planck-Institut für Physik, 80805 München.
  • Gillard R; Excellence Cluster Universe, Technische Universität München, 85748 Garching.
  • Goh YM; P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991.
  • Goldenzweig P; Moscow Physical Engineering Institute, Moscow 115409.
  • Golob B; Indian Institute of Technology, Bhubaneswar, Satya Nagar 751007.
  • Greenwald D; Faculty of Mathematics and Physics, Charles University, 121 16 Prague.
  • Hara T; P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991.
  • Hayasaka K; Moscow Physical Engineering Institute, Moscow 115409.
  • Hayashii H; Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090.
Phys Rev Lett ; 117(14): 142001, 2016 Sep 30.
Article in En | MEDLINE | ID: mdl-27740802
ABSTRACT
Using data collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider, we measure the energy dependence of the e^{+}e^{-}→h_{b}(nP)π^{+}π^{-} (n=1, 2) cross sections from thresholds up to 11.02 GeV. We find clear ϒ(10860) and ϒ(11020) peaks with little or no continuum contribution. We study the resonant substructure of the ϒ(11020)→h_{b}(nP)π^{+}π^{-} transitions and find evidence that they proceed entirely via the intermediate isovector states Z_{b}(10610) and Z_{b}(10650). The relative fraction of these states is loosely constrained by the current data The hypothesis that only Z_{b}(10610) is produced is excluded at the level of 3.3 standard deviations, while the hypothesis that only Z_{b}(10650) is produced is not excluded at a significant level.
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2016 Type: Article
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2016 Type: Article