Analysis of the Y (4220) and Y (4390) as molecular states with QCD sum rules

  • In this article, we assign the m Y(4390) and m Y(4220) to be the vector molecular states DD1(2420) and D*D0*(2400), respectively, and study their masses and pole residues in detail with the QCD sum rules. The present calculations only favor assigning the m Y(4390) to be the DD1(1——) molecular state.
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Zhi-Gang Wang. Analysis of the Y (4220) and Y (4390) as molecular states with QCD sum rules[J]. Chinese Physics C, 2017, 41(8): 083103. doi: 10.1088/1674-1137/41/8/083103
Zhi-Gang Wang. Analysis of the Y (4220) and Y (4390) as molecular states with QCD sum rules[J]. Chinese Physics C, 2017, 41(8): 083103.  doi: 10.1088/1674-1137/41/8/083103 shu
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Received: 2017-03-07
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    Supported by National Natural Science Foundation (11375063)

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Analysis of the Y (4220) and Y (4390) as molecular states with QCD sum rules

    Corresponding author: Zhi-Gang Wang,
  • 1. Department of Physics, North China Electric Power University, Baoding 071003, China
Fund Project:  Supported by National Natural Science Foundation (11375063)

Abstract: In this article, we assign the m Y(4390) and m Y(4220) to be the vector molecular states DD1(2420) and D*D0*(2400), respectively, and study their masses and pole residues in detail with the QCD sum rules. The present calculations only favor assigning the m Y(4390) to be the DD1(1——) molecular state.

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