On the nature of χc2(2P) two-gluon decay

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N. N. Achasov and Xian-Wei Kang. On the nature of χc2(2P) two-gluon decay[J]. Chinese Physics C, 2017, 41(12): 123102. doi: 10.1088/1674-1137/41/12/123102
N. N. Achasov and Xian-Wei Kang. On the nature of χc2(2P) two-gluon decay[J]. Chinese Physics C, 2017, 41(12): 123102.  doi: 10.1088/1674-1137/41/12/123102 shu
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Received: 2017-08-10
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    N.N. Achasov was supported in part by RFBR, (16-02-00065), and by Presidium of the Russian Academy of Sciences, Project (0314-2015-0011), XWK's work is supported by MOST, Taiwan, (104-2112-M-001-022)

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On the nature of χc2(2P) two-gluon decay

    Corresponding author: Xian-Wei Kang,
  • 1.  Laboratory of Theoretical Physics, Sobolev Institute for Mathematics, 630090, Novosibirsk
  • 2. College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875
  • 3. Institute of Physics, Academia Sinica, 115 Taipei
Fund Project:  N.N. Achasov was supported in part by RFBR, (16-02-00065), and by Presidium of the Russian Academy of Sciences, Project (0314-2015-0011), XWK's work is supported by MOST, Taiwan, (104-2112-M-001-022)

Abstract: We expect that BR(χc2(2P)→ gluongluon)≥ 2% if the Particle Data Group as well as the BaBar and Belle collaborations have correctly identified the state. In reality, this branching ratio corresponds to the one for χc2(2P) decaying into light hadrons. We also discuss the detection possibilities of these decays.

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