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  • Study of charmonia in four-...
    Adachi, I.; Aihara, H.; Aushev, T.; Bakich, A.M.; Belous, K.; Bitenc, U.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T.E.; Chang, P.; Chao, Y.; Chen, K.-F.; Chen, W.T.; Cho, I.-S.; Choi, Y.; Choi, Y.K.; Dalseno, J.; Drutskoy, A.; Eidelman, S.; Gabyshev, N.; Golob, B.; Ha, H.; Haba, J.; Hayasaka, K.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, W.-S.; Iijima, T.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kaji, H.; Kawai, H.; Kawasaki, T.; Kim, H.O.; Kim, S.K.; Kim, Y.J.; Korpar, S.; Kumar, R.; Kuo, C.C.; Kuzmin, A.; Lee, J.S.; Lee, M.J.; Lee, S.E.; Li, J.; Limosani, A.; Lin, S.-W.; Liventsev, D.; Mandl, F.; Matsumoto, T.; Matyja, A.; McOnie, S.; Miyake, H.; Miyazaki, Y.; Nakazawa, H.; Natkaniec, Z.; Nitoh, O.; Ohshima, T.; Okuno, S.; Olsen, S.L.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, C.W.; Park, H.; Peak, L.S.; Pestotnik, R.; Piilonen, L.E.; Sahoo, H.; Sakai, Y.; Schneider, O.; Sevior, M.E.; Shibuya, H.; Shiu, J.-G.; Singh, J.B.; Somov, A.; Soni, N.; Stanič, S.; Stoeck, H.; Tanaka, M.; Tian, X.C.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Varner, G.; Vervink, K.; Villa, S.; Vinokurova, A.; Wang, P.; Won, E.; Yabsley, B.D.; Yamaguchi, A.; Yuan, C.Z.; Zhang, C.C.; Zhilich, V.; Zupanc, A.

    The European physical journal. C, Particles and fields, 01/2008, Letnik: 53, Številka: 1
    Journal Article

    We report measurements of charmonia produced in two-photon collisions and decaying to four-meson final states, where the meson is either a charged pion or a charged kaon. The analysis is based on a 395 fb -1 data sample accumulated with the Belle detector at the KEKB electron–positron collider. We observe signals for the three C-even charmonia η c (1S), χ c0 (1P) and χ c2 (1P) in the π + π - π + π - , K + K - π + π - and K + K - K + K - decay modes. No clear signals for η c (2S) production are found in these decay modes. We have also studied resonant structures in charmonium decays to two-body intermediate meson resonances. We report the products of the two-photon decay width and the branching fractions, , for each of the charmonium decay modes.