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  • Observation of a narrow cha...
    Olsen, S L; Abe, K; Abe, T; Ahn, Byoung Sup; Aso, T; Aulchenko, V; Aushev, T; Ban, Y; Banerjee, S; Bozek, A; Bracko, M; Brodzicka, J; Browder, T E; Chang, P; Chao, Y; Chen, K-F; Cheon, B G; Choi, Y; Choi, Y K; Danilov, M; Dong, L Y; Drutskoy, A; Eidelman, S; Flanagan, J; Fukunaga, C; Gershon, T; Golob, B; Guler, H; Hagner, C; Handa, F; Hastings, N C; Hayashii, H; Hinz, L; Hoshi, Y; Hsiung, Y B; Huang, H-C; Iijima, T; Ishikawa, A; Iwasaki, Y; Kataoka, S U; Katayama, N; Kawasaki, T; Kim, H J; Kim, Hyunwoo; Kim, J H; Kinoshita, K; Koppenburg, P; Krizan, P; Krokovny, P; MacNaughton, J; Matsumoto, T; Michizono, S; Mimashi, T; Mitaroff, W; Moloney, G R; Nakao, M; Natkaniec, Z; Nishida, S; Ogawa, S; Ohmi, K; Ohshima, T; Okabe, T; Ostrowicz, W; Ozaki, H; Piilonen, L E; Saitoh, S; Satapathy, M; Satpathy, A; Semenov, S; Senyo, K; Shidara, T; Sidorov, V; Stanic, S; Staric, M; Sugiyama, A; Sumiyoshi, T; Suzuki, S; Takasaki, F; Tamai, K; Tamura, N; Tanaka, M; Tawada, M; Taylor, G N; Teramoto, Y; Tsukamoto, T; Ueno, K; Unno, Y; Uno, S; Varner, G; Wang, C C; Wang, C H; Wang, J G; Won, E; Yabsley, B D; Yamada, Y; Yamashita, Y; Yanai, H; Yoshida, M; Zhang, Z P; Zontar, D

    Physical review letters, 12/2003, Letnik: 91, Številka: 26 Pt 1
    Journal Article

    We report the observation of a narrow charmoniumlike state produced in the exclusive decay process B+/--->K+/-pi(+)pi(-)J/psi. This state, which decays into pi(+)pi(-)J/psi, has a mass of 3872.0+/-0.6(stat)+/-0.5(syst) MeV, a value that is very near the M(D0)+M(D(*0)) mass threshold. The results are based on an analysis of 152M B-Bmacr; events collected at the Upsilon(4S) resonance in the Belle detector at the KEKB collider. The signal has a statistical significance that is in excess of 10sigma.