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Observation of a Charmoniumlike Enhancement in the gamma gamma ->omega J/psi Process
- Authors
- Uehara, S.; Aushev, T.; Bakich, A. M.; Belous, K.; Bhardwaj, V.; Bischofberger, M.; Bracko, M.; Browder, T. E.; Chang, P.; Chen, A.; Chen, P.; Cheon, B. G.; Chiang, C. -C.; Cho, I. -S.; Choi, S. -K.; Choi, Y.; Dalseno, J.; Drutskoy, A.; Eidelman, S.; Epifanov, D.; Feindt, M.; Gabyshev, N.; Ha, H.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hoshi, Y.; Hou, W. -S.; Hsiung, Y. B.; Hyun, H. J.; Inami, K.; Itoh, R.; Iwabuchi, M.; Iwasaki, M.; Iwasaki, Y.; Joshi, N. J.; Kang, J. H.; Kawasaki, T.; Kiesling, C.; Kim, H. J.; Kim, J. H.; Kim, Y. I.; Kim, Y. J.; Ko, B. R.; Kodys, P.; Korpar, S.; Krizan, P.; Krokovny, P.; Kumita, T.; Kuzmin, A.; Kwon, Y. -J.; Kyeong, S. -H.; Lange, J. S.; Lee, M. J.; Lee, S. -H.; Li, J.; Liu, C.; Liu, Y.; Liventsev, D.; Louvot, R.; Matyja, A.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Mussa, R.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Pestotnik, R.; Petric, M.; Piilonen, L. E.; Roehrken, M.; Ryu, S.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schwanda, C.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shiu, J. -G.; Shwartz, B.; Singh, J. B.; Smerkol, P.; Solovieva, E.; Staric, M.; Teramoto, Y.; Trabelsi, K.; Unno, Y.; Uno, S.; Urquijo, P.; Varner, G.; Vervink, K.; Wang, C. H.; Wang, P.; Watanabe, Y.; Wedd, R.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yuan, C. Z.; Zhang, C. C.; Zivko, T.; Zyukova, O.
- Issue Date
- Mar-2010
- Publisher
- American Physical Society
- Citation
- Physical Review Letters, v.104, no.9, pp 1 - 6
- Pages
- 6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Physical Review Letters
- Volume
- 104
- Number
- 9
- Start Page
- 1
- End Page
- 6
- ISSN
- 0031-9007
1079-7114
- Abstract
- We report the results of a search for a charmoniumlike state produced in the process gamma gamma -> omega J/psi in the 3.9-4.2 GeV = c(2) mass region. We observe a significant enhancement, which is well described by a resonant shape with mass M = (3915 +/- 3 +/- 2_ MeV/c(2) and total width Gamma = (17 +/- 10 +/- 3) MeV. This enhancement may be related to one or more of the three charmoniumlike states so far reported in the 3.90-3.95 GeV= c(2) mass region.
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Related Researcher
- Cheon, Byung Gu
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)