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Observation of a Charmoniumlike Enhancement in the gamma gamma ->omega J/psi Process

Authors
Uehara, S[Uehara, S.]Aushev, T[Aushev, T.]Bakich, AM[Bakich, A. M.]Belous, K[Belous, K.]Bhardwaj, V[Bhardwaj, V.]Bischofberger, M[Bischofberger, M.]Bracko, M[Bracko, M.]Browder, TE[Browder, T. E.]Chang, P[Chang, P.]Chen, A[Chen, A.]Chen, P[Chen, P.]Cheon, BG[Cheon, B. G.]Chiang, CC[Chiang, C. -C.]Cho, IS[Cho, I. -S.]Choi, SK[Choi, S. -K.]Choi, Y[Choi, Y.]Dalseno, J[Dalseno, J.]Drutskoy, A[Drutskoy, A.]Eidelman, S[Eidelman, S.]Epifanov, D[Epifanov, D.]Feindt, M[Feindt, M.]Gabyshev, N[Gabyshev, N.]Ha, H[Ha, H.]Haba, J[Haba, J.]Hayasaka, K[Hayasaka, K.]Hayashii, H[Hayashii, H.]Hoshi, Y[Hoshi, Y.]Hou, WS[Hou, W. -S.]Hsiung, YB[Hsiung, Y. B.]Hyun, HJ[Hyun, H. J.]Inami, K[Inami, K.]Itoh, R[Itoh, R.]Iwabuchi, M[Iwabuchi, M.]Iwasaki, M[Iwasaki, M.]Iwasaki, Y[Iwasaki, Y.]Joshi, NJ[Joshi, N. J.]Kang, JH[Kang, J. H.]Kawasaki, T[Kawasaki, T.]Kiesling, C[Kiesling, C.]Kim, HJ[Kim, H. J.]Kim, JH[Kim, J. H.]Kim, YI[Kim, Y. I.]Kim, YJ[Kim, Y. J.]Ko, BR[Ko, B. R.]Kodys, P[Kodys, P.]Korpar, S[Korpar, S.]Krizan, P[Krizan, P.]Krokovny, P[Krokovny, P.]Kumita, T[Kumita, T.]Kuzmin, A[Kuzmin, A.]Kwon, YJ[Kwon, Y. -J.]Kyeong, SH[Kyeong, S. -H.]Lange, JS[Lange, J. S.]Lee, MJ[Lee, M. J.]Lee, SH[Lee, S. -H.]Li, J[Li, J.]Liu, C[Liu, C.]Liu, Y[Liu, Y.]Liventsev, D[Liventsev, D.]Louvot, R[Louvot, R.]Matyja, A[Matyja, A.]McOnie, S[McOnie, S.]Miyabayashi, K[Miyabayashi, K.]Miyata, H[Miyata, H.]Miyazaki, Y[Miyazaki, Y.]Mizuk, R[Mizuk, R.]Mussa, R[Mussa, R.]Nakano, E[Nakano, E.]Nakao, M[Nakao, M.]Nakazawa, H[Nakazawa, H.]Natkaniec, Z[Natkaniec, Z.]Nishida, S[Nishida, S.]Nitoh, O[Nitoh, O.]Ogawa, S[Ogawa, S.]Ohshima, T[Ohshima, T.]Okuno, S[Okuno, S.]Olsen, SL[Olsen, S. L.]Pakhlov, P[Pakhlov, P.]Pakhlova, G[Pakhlova, G.]Park, CW[Park, C. W.]Park, H[Park, H.]Park, HK[Park, H. K.]Pestotnik, R[Pestotnik, R.]Petric, M[Petric, M.]Piilonen, LE[Piilonen, L. E.]Rohrken, M[Roehrken, M.]Ryu, S[Ryu, S.]Sahoo, H[Sahoo, H.]Sakai, Y[Sakai, Y.]Schneider, O[Schneider, O.]Schwanda, C[Schwanda, C.]Sevior, ME[Sevior, M. E.]Shapkin, M[Shapkin, M.]Shen, CP[Shen, C. P.]Shiu, JG[Shiu, J. -G.]Shwartz, B[Shwartz, B.]Singh, JB[Singh, J. B.]Smerkol, P[Smerkol, P.]Solovieva, E[Solovieva, E.]Staric, M[Staric, M.]Teramoto, Y[Teramoto, Y.]Trabelsi, K[Trabelsi, K.]Unno, Y[Unno, Y.]Uno, S[Uno, S.]Urquijo, P[Urquijo, P.]Varner, G[Varner, G.]Vervink, K[Vervink, K.]Wang, CH[Wang, C. H.]Wang, P[Wang, P.]Watanabe, Y[Watanabe, Y.]Wedd, R[Wedd, R.]Won, E[Won, E.]Yabsley, BD[Yabsley, B. D.]Yamashita, Y[Yamashita, Y.]Yuan, CZ[Yuan, C. Z.]Zhang, CC[Zhang, C. C.]Zivko, T[Zivko, T.]Zyukova, O[Zyukova, O.]
Issue Date
5-Mar-2010
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.104, no.9
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW LETTERS
Volume
104
Number
9
URI
https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/74706
DOI
10.1103/PhysRevLett.104.092001
ISSN
0031-9007
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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