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Updated cross section measurement of e+e- →k+K-J /ψ and KS0 KS0 J /ψ via initial state radiation at Belle

  • C. P. Shen
  • , C. Z. Yuan
  • , P. Wang
  • , A. Abdesselam
  • , I. Adachi
  • , H. Aihara
  • , S. Al Said
  • , D. M. Asner
  • , V. Aulchenko
  • , T. Aushev
  • , R. Ayad
  • , A. M. Bakich
  • , A. Bala
  • , A. Bobrov
  • , G. Bonvicini
  • , A. Bozek
  • , M. Bračko
  • , T. E. Browder
  • , V. Chekelian
  • , A. Chen
  • B. G. Cheon, K. Chilikin, R. Chistov, K. Cho, V. Chobanova, S. K. Choi, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. DoleŽal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, A. Frey, V. Gaur, S. Ganguly, R. Gillard, R. Glattauer, Y. M. Goh, B. Golob, J. Haba, K. Hayasaka, H. Hayashii, X. H. He, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, D. Joffe, T. Julius, J. H. Kang, E. Kato, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, S. Korpar, P. KriŽan, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Lee, J. Li, L. Li Gioi, J. Libby, C. Liu, Z. Q. Liu, P. Lukin, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, A. Moll, R. Mussa, Y. Nagasaka, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, N. K. Nisar, S. Nishida, O. Nitoh, S. Okuno, C. W. Park, H. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, S. Ryu, T. Saito, Y. Sakai, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, D. Semmler, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, V. Shebalin, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, G. Tatishvili, Y. Teramoto, M. Uchida, Y. Unno, S. Uno, P. Urquijo, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, V. Vorobyev, M. N. Wagner, C. H. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, H. Yamamoto, Y. Yamashita, S. Yashchenko, Y. Yook, C. C. Zhang, Z. P. Zhang, V. Zhulanov, A. Zupanc
  • Beihang University
  • CAS - Institute of High Energy Physics
  • University of Tabuk
  • High Energy Accelerator Research Organization, Tsukuba
  • The University of Tokyo
  • King Abdulaziz University
  • Pacific Northwest National Laboratory
  • Novosibirsk State University
  • Alikhanov Institute for Theoretical and Experimental Physics
  • The University of Sydney
  • Panjab University
  • Wayne State University
  • H. Niewodniczanski Institute of Nuclear Physics
  • Jožef Stefan Institute
  • University of Maribor
  • University of Hawai'i at Mānoa
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • National Central University
  • Hanyang University
  • Korea Institute of Science and Technology Information
  • Gyeongsang National University
  • Sungkyunkwan University
  • Technische Universität München
  • Moscow Engineering Physics Institute
  • Charles University
  • Indian Institute of Technology Guwahati
  • German Electron Synchrotron
  • University of Göttingen
  • Tata Institute of Fundamental Research
  • Austrian Academy of Sciences
  • University of Ljubljana
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  • Nara Women's University
  • Peking University
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  • National Taiwan University
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  • University of Melbourne
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  • Korea University
  • University of Cincinnati
  • Seoul National University
  • Indian Institute of Technology Madras
  • University of Science and Technology of China
  • National Institute for Nuclear Physics
  • Hiroshima Institute of Technology
  • Osaka Metropolitan University
  • Tokyo University of Agriculture and Technology
  • Kanagawa University
  • Luther College, Decorah
  • Virginia Polytechnic Institute and State University
  • Karlsruhe Institute of Technology
  • Swiss Federal Institute of Technology Lausanne
  • University of the Basque Country
  • Ikerbasque Basque Foundation for Science
  • Justus Liebig University Giessen
  • Yamagata University
  • Institute for High Energy Physics
  • Institute of Science Tokyo
  • University of Nova Gorica
  • Tokyo Metropolitan University
  • University of Turin
  • University of Bonn
  • National United University Taiwan
  • Nippon Dental University

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The cross sections of the processes e+e-→K+K-J/ψ and KS0KS0J/ψ are measured via initial state radiation at center-of-mass energies between the threshold and 6.0 GeV using a data sample of 980fb-1 collected with the Belle detector on or near the Υ(nS) resonances, where n=1,2,...,5. The cross sections for e+e-→K+K-J/ψ are at a few pb level and the average cross section for e+e-→KS0KS0J/ψ is 1.8±0.6(stat)±0.3(syst)pb between 4.4 and 5.2 GeV. All of them are consistent with previously published results with improved precision. A search for resonant structures and associated intermediate states in the cross section of the process e+e-→K+K-J/ψ is performed.

Original languageEnglish
Article number072015
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number7
DOIs
StatePublished - 23 Apr 2014

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