On the nature of χc2(2P): two-gluon decayN.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)

Achasov, N.N. (Laboratory of Theoretical Physics, Sobolev Institute for Mathematics, 630090, Novosibirsk) ; Kang, Xian-Wei (College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875) (Institute of Physics, Academia Sinica, 115 Taipei)

30 November 2017

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.


Published in: Chinese Phys. C 41 (2017) 123102
Published by: Institute of Physics Publishing/Chinese Academy of Sciences
DOI: 10.1088/1674-1137/41/12/123102
arXiv: 1707.04994
License: CC-BY-3.0



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