Measurement of e+e- →γχcJ via initial state radiation at Belle

Y. L. Han, X. L. Wang, C. Z. Yuan, C. P. Shen, P. Wang, A. Abdesselam, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, T. Aushev, V. Babu, I. Badhrees, V. Bansal, V. Bhardwaj, J. Biswal, A. Bozek, M. Bračko, A. Chen, B. G. CheonR. Chistov, K. Cho, V. Chobanova, S. K. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. DoleŽal, A. Drutskoy, D. Dutta, S. Eidelman, H. Farhat, J. E. Fast, T. Ferber, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, D. Getzkow, R. Gillard, R. Glattauer, Y. M. Goh, P. Goldenzweig, B. Golob, J. Haba, K. Hayasaka, H. Hayashii, X. H. He, T. Horiguchi, W. S. Hou, T. Iijima, A. Ishikawa, I. Jaegle, D. Joffe, K. K. Joo, H. Kichimi, D. Y. Kim, J. B. Kim, J. H. Kim, K. T. Kim, S. H. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, P. KriŽan, P. Krokovny, P. Lewis, L. Li Gioi, J. Libby, D. Liventsev, P. Lukin, M. Masuda, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, A. Moll, H. K. Moon, R. Mussa, E. Nakano, M. Nakao, M. Nayak, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, W. Ostrowicz, P. Pakhlov, G. Pakhlova, B. Pal, H. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, C. Pulvermacher, E. RibeŽl, M. Ritter, A. Rostomyan, H. Sahoo, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, O. Schneider, G. Schnell, C. Schwanda, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, T. A. Shibata, J. G. Shiu, B. Shwartz, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Steder, M. Sumihama, U. Tamponi, Y. Teramoto, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vossen, M. N. Wagner, Y. Watanabe, K. M. Williams, S. Yashchenko, Y. Yook, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

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4 Citations (Scopus)

Abstract

The process e+e-→γχcJ (J=1, 2) is studied via initial state radiation using 980fb-1 of data at and around the (nS) (n=1, 2, 3, 4, 5) resonances collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No significant signal is observed except from ψ(2S) decays. Upper limits on the cross sections between s=3.80 and 5.56 GeV are determined at the 90% credibility level, which range from a few pb to a few tens of pb. We also set upper limits on the decay rate of the vector charmonium [ψ(4040), ψ(4160), and ψ(4415)] and charmoniumlike [Y(4260), Y(4360), and Y(4660)] states to γχcJ.

Original languageEnglish
Article number012011
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume92
Issue number1
DOIs
Publication statusPublished - 2015 Jul 20

ASJC Scopus subject areas

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

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