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Observation of Two Charged Bottomoniumlike Resonances in Y(5S) Decays
- Authors
- Bondar, A.; Garmash, A.; Mizuk, R.; Santel, D.; Kinoshita, K.; Adachi, I.; Aihara, H.; Arinstein, K.; Asner, D. M.; Aushev, T.; Aziz, T.; Bakich, A. M.; Barberio, E.; Belous, K.; Bhardwaj, V.; Bischofberger, M.; Bozek, A.; Bracko, M.; Browder, T. E.; Chang, M. -C.; Chang, P.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, I. -S.; Cho, K.; Choi, S. -K.; Choi, Y.; Dalseno, J.; Danilov, M.; Dolezal, Z.; Drutskoy, A.; Eidelman, S.; Epifanov, D.; Fast, J. E.; Gaur, V.; Gabyshev, N.; Goh, Y. M.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hoshi, Y.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Iwabuchi, M.; Iwasaki, Y.; Iwashita, T.; Julius, T.; Kang, J. H.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, Y. J.; Ko, B. R.; Kobayashi, N.; Koblitz, S.; Kodys, P.; Korpar, S.; Krizan, P.; Kuhr, T.; Kumar, R.; Kumita, T.; Kuzmin, A.; Lange, J. S.; Lee, S. -H.; Li, J.; Li, Y.; Libby, J.; Liu, C.; Liu, Z. Q.; Liventsev, D.; Louvot, R.; Matvienko, D.; McOnie, S.; Miyata, H.; Miyazaki, Y.; Mohanty, G. B.; Moll, A.; Muramatsu, N.; Mussa, R.; Nakao, M.; Natkaniec, Z.; Neubauer, S.; Niiyama, M.; Nishida, S.; Nishimura, K.; Nitoh, O.; Nozaki, T.; Olsen, S. L.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Park, H.; Park, H. K.; Pedlar, T. K.; Petric, M.; Piilonen, L. E.; Poluektov, A.; Prim, M.; Ritter, M.; Roehrken, M.; Ryu, S.; Sahoo, H.; Sakai, Y.; Santel, D.; Sanuki, T.; Schneider, O.; Schwanda, C.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shebalin, V.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Simon, F.; Smerkol, P.; Sohn, Y. -S.; Sokolov, A.; Solovieva, E.; Staric, M.; Sumihama, M.; Sumiyoshi, T.; Tanaka, S.; Tatishvili, G.; Teramoto, Y.; Tikhomirov, I.; Uchida, M.; Uehara, S.; Uglov, T.; Ushiroda, Y.; Vahsen, S. E.; Varner, G.; Vinokurova, A.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Williams, K. M.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yamauchi, M.; Yuan, C. Z.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.; Zyukova, O.
- Issue Date
- 20-3월-2012
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.108, no.12
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 108
- Number
- 12
- ISSN
- 0031-9007
- Abstract
- We report the observation of two narrow structures in the mass spectra of the pi(+/-) Y(nS) (n = 1, 2, 3) and pi(+/-) h(b)(mP) (m = 1, 2) pairs that are produced in association with a single charged pion in Y(5S) decays. The measured masses and widths of the two structures averaged over the five final states are M-1 = (10 607.2 +/- 2.0) MeV/c(2), Gamma(1) =(18.4 +/- 2.4) MeV, and M-2 = (10 652.2 +/- 1.5) MeV/c(2), Gamma(2) = (11.5 +/- 2.2) MeV. The results are obtained with a 121.4 fb(-1) data sample collected with the Belle detector in the vicinity of the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(-) collider.
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