Experimental review of e+e-ππhc

  • We review the recent BESIII measurement of e+e-ππhc in which its line shape is studied between the center-of-mass energies of 3.9 to 4.42 GeV and an iso-vector charmonium-like state Zc(4020) is observed in the invariant mass of πhc at the BESIII experiment. The charged Zc(4020)± is the second observed Zc state following Zc(3900), while the Zc(4020)0 is the rst observed neutral Zc state. The line shape of (e+e-ππhc) is also re-analyzed in view of searching for the Y state and the existence of the Y(4220) state is con rmed and compared with the previous work of the BESIII experiment.
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Get Citation
Qing-Ping Ji, Yu-Ping Guo, Ai-Qiang Guo, Chun-Xu Yu and Zhi-Yong Wang. Experimental review of e+e-ππhc[J]. Chinese Physics C, 2016, 40(1): 012001. doi: 10.1088/1674-1137/40/1/012001
Qing-Ping Ji, Yu-Ping Guo, Ai-Qiang Guo, Chun-Xu Yu and Zhi-Yong Wang. Experimental review of e+e-ππhc[J]. Chinese Physics C, 2016, 40(1): 012001.  doi: 10.1088/1674-1137/40/1/012001 shu
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Received: 2015-04-13
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    Supported by Joint Large-Scale Scienti c Facility Funds of the NSFC and CAS under Contracts No. U1332201, and National Natural Science Foundation of China (NSFC) under Contracts No. 11475207

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Experimental review of e+e-ππhc

    Corresponding author: Chun-Xu Yu,
  • 1.  Department of Physics, Nankai University, Tianjin 300071, China
  • 2.  Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany
  • 3.  Institute of High Energy Physics, CAS, Beijing 100049, China
Fund Project:  Supported by Joint Large-Scale Scienti c Facility Funds of the NSFC and CAS under Contracts No. U1332201, and National Natural Science Foundation of China (NSFC) under Contracts No. 11475207

Abstract: We review the recent BESIII measurement of e+e-ππhc in which its line shape is studied between the center-of-mass energies of 3.9 to 4.42 GeV and an iso-vector charmonium-like state Zc(4020) is observed in the invariant mass of πhc at the BESIII experiment. The charged Zc(4020)± is the second observed Zc state following Zc(3900), while the Zc(4020)0 is the rst observed neutral Zc state. The line shape of (e+e-ππhc) is also re-analyzed in view of searching for the Y state and the existence of the Y(4220) state is con rmed and compared with the previous work of the BESIII experiment.

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