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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.; Hou, W.-S.; Hsu, C.-L.; Inami, K.; Inguglia, G.; Ishikawa, A.; Iwasaki, Y.; Jaegle, I.; Julius, T.; Kang, K. H.; Katrenko, P.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, K. T.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Kodys, P.; Korpar, S.; Kotchetkov, D.; Krokovny, P.; Kuhr, T.; Kuzmin, A.; Kwon, Y.-J.; Lange, J. S.; Li, C. H.; Li, H.; Li, L.; Gioi, L. Li; Libby, J.; Liventsev, D.; Lubej, M.; Luo, T.; Masuda, M.; Matsuda, T.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mohanty, G. B.; Moll, A.; Nakano, E.; Nakao, M.; Nanut, T.; Nath, K. J.; Negishi, K.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Park, C. W.; Park, H.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Petric, M.; Piilonen, L. E.; Pulvermacher, C.; Ritter, M.; Sakai, Y.; Sandilya, S.; Sanuki, T.; Savinov, V.; Schlüter, T.; Schneider, O.; Schnell, G.; Schwanda, C.; Seino, Y.; Semmler, D.; Senyo, K.; Seon, O.; Sevior, M. E.; Shebalin, V.; Shibata, T.-A.; Shiu, J.-G.; Shwartz, B.; Simon, F.; Solovieva, E.; Staric, M.; Stypula, J.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Teramoto, Y.; Tikhomirov, I.; Trabelsi, K.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Hulse, C. van; Varner, G.; Vorobyev, V.; Wang, C. H.; Wang, M.-Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamaoka, J.; Yamashita, Y.; Yelton, J.; Yuan, C. Z.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.; Zhulanov, V.; Zupanc, A. (2016): Energy Scan of the e+e−→hb(nP)π+π− (n=1, 2) [e(+)e(-) -> h(b)(nP)pi(+)pi(-) (n=1, 2)] Cross Sections and Evidence for Υ [gamma](11020) Decays into Charged Bottomoniumlike States. In: Physical Review Letters, Vol. 117, Nr. 14, 142001
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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)pi(+)pi(-) (n = 1, 2) cross sections from thresholds up to 11.02 GeV. We find clear gamma(10860) and gamma(11020) peaks with little or no continuum contribution. We study the resonant substructure of the gamma(11020) -> h(b)(nP)pi(+)pi(_) 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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