1.

Analysis of the scalar, axialvector, vector, tensor doubly charmed tetraquark states with QCD sum rules
/ Wang, ZhiGang ; Yan, ZeHui
In this article, we construct the axialvectordiquark–axialvectorantidiquark type currents to interpolate the scalar, axialvector, vector, tensor doubly charmed tetraquark states, and study them with QCD sum rules systematically by carrying out the operator product expansion up to the vacuum condensates of dimension 10 in a consistent way, the predicted masses can be confronted with the experimental data in the future. [...]
Published in EPJC 78 (2018) 19
10.1140/epjc/s1005201755070
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2.

The decay width of the Zc(3900) as an axialvector tetraquark state in solid quark–hadron duality
/ Wang, ZhiGang ; Zhang, JunXia
In this article, we tentatively assign the Zc±(3900) to be the diquark–antidiquark type axialvector tetraquark state, study the hadronic coupling constants GZcJ/ψπ,GZcηcρ,GZcDD¯∗ with the QCD sum rules in details. [...]
Published in EPJC 78 (2018) 14
10.1140/epjc/s1005201755141
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3.

Analysis of the $\frac {3}{2}^{\pm }$ Pentaquark States in the Diquark Model with QCD Sum Rules
/ Zhang, JunXia ; Wang, ZhiGang ; Di, ZunYan
In this article, we construct the scalardiquarkaxialvectordiquarkantiquarktype interpolating currents, and study the masses and pole residues of the $J^{P}=\frac{3}{2}^{\pm}$ hiddencharmed pentaquark states with the QCD sum rules. [...]
Published in Acta Physica Polonica B 48 (2017) 20132030
10.5506/APhysPolB.48.2013
arXiv:1711.10728
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4.

Revisit assignments of the new excited Ωc states with QCD sum rules
/ Wang, ZhiGang ; Wei, XingNing ; Yan, ZeHui
In this article, we distinguish the contributions of the positive parity and negative parity Ωc states, study the masses and pole residues of the 1S, 1P, 2S and 2P Ωc states with the spin J=12 and 32 using the QCD sum rules in a consistent way, and we revisit the assignments of the new narrow excited Ωc0 states. [...]
Published in EPJC 77 (2017) 832
10.1140/epjc/s1005201754091
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5.

The Λ c (2860), Λ c (2880), Ξ c (3055) and Ξ c (3080) as Dwave baryon states in QCD
/ Wang, ZhiGang
In this article, we tentatively assign the Λc(2860) , Λc(2880) , Ξc(3055) and Ξc(3080) to be the Dwave baryon states with the spinparity JP=32+ , 52+ , 32+ and 52+ , respectively, and study their masses and pole residues with the QCD sum rules in a systematic way by constructing threetypes interpolating currents with the quantum numbers (Lρ,Lλ)=(0,2) , (2,0) and (1,1) , respectively. [...]
Published in Nuclear Physics B (2017)
10.1016/j.nuclphysb.2017.11.014
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6.

Analysis of the scalar doubly charmed hexaquark state with QCD sum rules
/ Wang, ZhiGang
In this article, we study the scalardiquark–scalardiquark–scalardiquark type hexaquark state with the QCD sum rules by carrying out the operator product expansion up to the vacuum condensates of dimension 16. [...]
Published in EPJC 77 (2017) 642
10.1140/epjc/s1005201752079
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7.

Analysis of the strong coupling form factors of ΣbNB and ΣcND in QCD sum rulesSupported by Fundamental Research Funds for the Central Universities (2016MS133)
/ Yu, GuoLiang ; Wang, ZhiGang ; Li, ZhenYu
In this article, we study the strong interaction of the vertices ΣbNB and ΣcND using the threepoint QCD sum rules under two different Dirac structures. [...]
Published in Chinese Phys. C 41 (2017) 083104
10.1088/16741137/41/8/083104
arXiv:1608.03460
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8.

Analysis of the Y(4220) and Y(4390) as molecular states with QCD sum rulesSupported by National Natural Science Foundation (11375063)
/ Wang, ZhiGang
In this article, we assign the Y(4390) and Y(4220) to be the vector molecular states DD̄1 (2420) and , respectively, and study their masses and pole residues in detail with the QCD sum rules. [...]
Published in Chinese Phys. C 41 (2017) 083103
10.1088/16741137/41/8/083103
arXiv:1611.03250
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9.

Analysis of the QQQ¯Q¯ tetraquark states with QCD sum rules
/ Wang, ZhiGang
In this article, we study the JPC=0++ and 2++ QQQ¯Q¯ tetraquark states with the QCD sum rules, and we obtain the predictions MX(ccc¯c¯,0++)=5.99±0.08GeV , MX(ccc¯c¯,2++)=6.09±0.08GeV , MX(bbb¯b¯,0++)=18.84±0.09GeV and MX(bbb¯b¯,2++)=18.85±0.09GeV , which can be confronted to the experimental data in the future. [...]
Published in EPJC 77 (2017) 432
10.1140/epjc/s1005201749970
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10.

Analysis of Ωc(3000) , Ωc(3050) , Ωc(3066) , Ωc(3090) and Ωc(3119) with QCD sum rules
/ Wang, ZhiGang
In this article, we assign Ωc(3000) , Ωc(3050) , Ωc(3066) , Ωc(3090) and Ωc(3119) to the Pwave baryon states with JP=12 , 12 , 32 , 32 and 52 , respectively, and study them with the QCD sum rules by introducing an explicit relative Pwave between the two s quarks. [...]
Published in EPJC 77 (2017) 325
10.1140/epjc/s1005201748955
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