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Search for resonant B-+/--> K(+/-)h -> K-+/-gamma gamma decays at Belleopen access
- Authors
- Wicht, J.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Barberio, E.; Bedny, I.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bozek, A.; Bracko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Chen, W. T.; Cheon, Byung Gu; Cho, I. -S.; Choi, Y.; Choi, Y. K.; Dalseno, J.; Dash, M.; Eidelman, S.; Epifanov, D.; Fratina, S.; Go, A.; Gorisek, A.; Ha, H.; Hara, T.; Hayasaka, K.; Hazumi, M.; Heffernan, D.; Hinz, L.; Hoshi, Y.; Hou, W. -S.; Hsiung, Y. B.; Hyun, H. J.; Ikado, K.; Inami, K.; Ishikawa, A.; Ishino, H.; Iwasaki, M.; Iwasaki, Y.; Jacoby, C.; Kah, D. H.; Kaji, H.; Kang, J. H.; Kapusta, P.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, S. K.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. -J.; Lee, J. S.; Lee, M. J.; Lee, S. E.; Lesiak, T.; Li, J.; Limosani, A.; Lin, S. -W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; Matyja, A.; McOnie, S.; Medvedeva, T.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Mohapatra, D.; Moloney, G. R.; Nakano, E.; Nakao, M.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Park, K. S.; Pestotnik, R.; Piilonen, L. E.; Ronga, F. J.; Sakai, Y.; Schietinger, T.; Schneider, O.; Schuemann, J.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shibuya, H.; Singh, J. B.; Somov, A.; Stanic, S.; Staric, M.; Stoeck, H.; Sumiyoshi, T.; Takasaki, F.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Tsukamoto, T.; Uehara, S.; Unno, Y.; Uno, S.; Urquijo, P.; Ushiroda, Y.; Usov, Y.; Varner, G.; Varvell, K. E.; Vervink, K.; Villa, S.; Vinokurova, A.; Wang, C. H.; Wang, P.; Watanabe, Y.; Wedd, R.; Won, E.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.; Zwahlen, N.
- Issue Date
- May-2008
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- B; Charmonia; X (3872)
- Citation
- PHYSICS LETTERS B, v.662, no.4, pp.323 - 329
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICS LETTERS B
- Volume
- 662
- Number
- 4
- Start Page
- 323
- End Page
- 329
- ISSN
- 0370-2693
- Abstract
- We report measurements and searches for resonant B± → K± h → K± γ γ decays where h is a η, η′, ηc, ηc (2 S), χc 0, χc 2, J / ψ meson or the X (3872) particle. The results are based on a data sample containing 535 million B over(B, ̄) pairs collected with the Belle detector at the KEKB e+ e- asymmetric-energy collider operating at the Υ{hooked} (4 S) resonance. Signals are observed in the modes with η and η′, and we obtain evidence for a signal in the mode with ηc. We measure B (B± → K± η → K± γ γ) = (0.87-0.15+0.16 (stat)-0.07+0.10 (syst)) × 10-6, B (B± → K± η′ → K± γ γ) = (1.40-0.15+0.16 (stat)-0.12+0.15 (syst)) × 10-6 and B (B± → K± ηc → K± γ γ) = (0.22-0.07+0.09 (stat)-0.02+0.04 (syst)) × 10-6. We set upper limits on the branching fractions of the other modes. © 2008 Elsevier B.V. All rights reserved.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)