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Search for charmonium and charmoniumlike states in gamma(2S) radiative decays
- Authors
- Wang, X. L.; Shen, C. P.; Yuan, C. Z.; Wang, P.; Adachi, I.; Aihara, H.; Asner, D. M.; Aushev, T.; Bakich, A. M.; Barberio, E.; Belous, K.; Bhuyan, B.; Bozek, A.; Bracko, M.; Browder, T. E.; Chang, M. -C.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, I. -S.; Cho, K.; Choi, Y.; Dalseno, J.; Danilov, M.; Dolezal, Z.; Eidelman, S.; Fast, J. E.; Feindt, M.; Gaur, V.; Goh, Y. M.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hoshi, Y.; Hsiung, Y. B.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwabuchi, M.; Iwasaki, Y.; Iwashita, T.; Julius, T.; Kang, J. H.; Katayama, N.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, H. O.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kobayashi, N.; Koblitz, S.; Krizan, P.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Lee, S. -H.; Li, J.; Li, X. R.; Li, Y.; Libby, J.; Lim, C. -L.; Liu, C.; Liventsev, D.; Louvot, R.; Matvienko, D.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mohanty, G. B.; Mussa, R.; Nagasaka, Y.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Neubauer, S.; Nishida, S.; Nishimura, K.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Park, H.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petric, M.; Piilonen, L. E.; Ritter, M.; Ryu, S.; Sahoo, H.; Sakai, Y.; Sanuki, T.; Schneider, O.; Schwanda, C.; Senyo, K.; Seon, O.; Sevior, M. E.; Shapkin, M.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Simon, F.; Smerkol, P.; Sohn, Y. -S.; Solovieva, E.; Stanic, S.; Staric, M.; Sumihama, M.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Uehara, S.; Unno, Y.; Uno, S.; Usov, Y.; Varner, G.; Wang, C. H.; Wang, M. -Z.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yamauchi, M.; Zhang, Z. P.; Zhilich, V.
- Issue Date
- Oct-2011
- Publisher
- American Physical Society
- Citation
- Physical Review D - Particles, Fields, Gravitation and Cosmology, v.84, no.7, pp 1 - 7
- Pages
- 7
- Indexed
- SCI
SCIE
SCOPUS
- Volume
- 84
- Number
- 7
- Start Page
- 1
- End Page
- 7
- ISSN
- 1550-7998
1550-2368
- Abstract
- Using a sample of 158 x 10(6) gamma (2S) events collected with the Belle detector, charmonium and charmoniumlike states with even charge parity are searched for in gamma (2S) radiative decays. No significant chi(cJ) or eta(c) signal is observed, and the following upper limits at 90% confidence level (C. L.) are obtained: B(gamma(2S)-> gamma chi(c0)) < 1.0 x 10(-4), B(gamma(2S) -> gamma chi(c1)) < 3.6 x 10(-6), B(gamma(2S) -> gamma chi(c2)) < 1.5 x 10(-5), and B(gamma(2S) ->gamma eta(c)) < 2.7 x 10(-5). No significant signal of any charmoniumlike state is observed, and we obtain the limits B(gamma(2S) -> gamma X(3872)) x B(X(3872) -> pi(+)pi(-) J/psi) < 0.8 x 10(-6), B(gamma(2S) -> gamma X(3872)) x B(X(3872) -> pi(+)pi(-)pi(0) J/psi) < 2.4 x 10(-6), B(gamma(2S) -> gamma X(3915)) x B(X(3915) -> omega J/psi) < 2.8 x 10(-6), B(gamma(2S) -> gamma Y(4140)) x B(Y(4140) -> phi J/psi) < 1.2 x 10(-6), and B(gamma(2S) -> gamma X(4350) x B(X(4350) -> phi J/psi)) < 1.3 x 10(-6) at 90% C. L.
- Appears in
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)