Measurement of e+e-→ωπ0, K *(892)K̄ and K2*(1430)K̄ at √s near 10.6 GeV

C. P. Shen, C. Z. Yuan, A. Sibidanov, P. Wang, K. Hayasaka, X. L. Wang, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, A. M. Bakich, A. Bala, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, M. C. ChangA. Chen, B. G. Cheon, R. Chistov, I. S. Cho, K. Cho, V. Chobanova, S. K. Choi, Y. Choi, D. Cinabro, J. Dalseno, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, H. Farhat, J. E. Fast, T. Ferber, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, H. Hayashii, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Iwashita, I. Jaegle, T. Julius, D. H. Kah, J. H. Kang, E. Kato, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, H. O. Kim, J. B. Kim, J. H. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, S. H. Lee, Y. Li, J. Libby, C. Liu, Y. Liu, P. Lukin, D. Matvienko, H. Miyata, R. Mizuk, A. Moll, T. Mori, N. Muramatsu, R. Mussa, Y. Nagasaka, M. Nakao, Z. Natkaniec, M. Nayak, C. Ng, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, Y. Onuki, G. Pakhlova, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, S. Ryu, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, L. Santelj, Tomoyuki Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, D. Semmler, K. Senyo, M. Shapkin, T. A. Shibata, J. G. Shiu, B. Shwartz, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, A. Vossen, M. N. Wagner, C. H. Wang, Y. Watanabe, K. M. Williams, E. Won, Y. Yamashita, S. Yashchenko, Y. Yook, C. C. Zhang, Z. P. Zhang, V. Zhilich

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Abstract

Using data samples of 89 fb-1, 703 fb-1, and 121 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at center-of-mass energies 10.52 GeV, 10.58 GeV, and 10.876 GeV, respectively, we study the exclusive reactions e +e-→ωπ0, K*(892)K̄, and K2*(1430)K̄. (Charge-conjugate modes are included implicitly.) Significant signals of ωπ0, K*(892)0K ̄0, and K2*(1430)-K+ are observed for the first time at these energies, and the energy dependencies of the cross sections are presented. On the other hand, no significant excesses for K *(892)-K+ and K2*(1430) 0K ̄0 are found, and we set limits on the cross section ratios RVPB(e+e-→K *(892) 0K̄0)σB(e +e-→K*(892)-K +)>4.3, 20.0, and 5.4, and RTP= σB(e+e-→K2*(1430)0K ̄0)σB(e+e -→K2*(1430)-K+)<1.1, 0.4, and 0.6, for center-of-mass energies of 10.52 GeV, 10.58 GeV, and 10.876 GeV, respectively, at the 90% C.L.

Original languageEnglish
Article number052019
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume88
Issue number5
DOIs
Publication statusPublished - 2013 Sep 27

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Shen, C. P., Yuan, C. Z., Sibidanov, A., Wang, P., Hayasaka, K., Wang, X. L., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Bakich, A. M., Bala, A., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., ... Zhilich, V. (2013). Measurement of e+e-→ωπ0, K *(892)K̄ and K2*(1430)K̄ at √s near 10.6 GeV. Physical Review D - Particles, Fields, Gravitation and Cosmology, 88(5), [052019]. https://doi.org/10.1103/PhysRevD.88.052019