Scalar Hidden-Charm Tetraquark States with QCD Sum Rules |
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| Authors: | Zun-Yan Di Zhi-Gang Wang Jun-Xia Zhang Guo-Liang Yu |
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| Institution: | 1. Department of Physics, North China Electric Power University, Baoding 071003, China;
2. School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China |
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| Abstract: | In this article, we study the masses and pole residues of the pseudoscalar-diquark-pseudoscalar-antidiquark type and vector-diquark-vector-antidiquark type scalar hidden-charm cucd (cucs) tetraquark states with QCD sum rules by taking into account the contributions of the vacuum condensates up to dimension-10 in the operator product expansion. The predicted masses can be confronted with the experimental data in the future. Possible decays of those tetraquark states are also discussed. |
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| Keywords: | tetraquark state QCD sum rules |
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