1.

Vector tetraquark state candidates: Y (4260 / 4220), Y (4360 / 4320), Y (4390) and Y (4660 / 4630)
/ Wang, ZhiGang
In this article, we construct the C⊗γμC and Cγ5⊗γ5γμC type currents to interpolate the vector tetraquark states, then carry out the operator product expansion up to the vacuum condensates of dimension10 in a consistent way, and obtain four QCD sum rules. [...]
Published in EPJC 78 (2018) 518
10.1140/epjc/s1005201859965
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2.

Possible pentaquark candidates: new excited Ωc states
/ Wang, ZhiGang ; Zhang, JunXia
In this article, we study the axialvectordiquark–scalardiquark–antiquark type charmed pentaquark states with JP=32± with the QCD sum rules by carrying out the operator product expansion up to the vacuum condensates of dimension 13 in a consistent way. [...]
Published in EPJC 78 (2018) 503
10.1140/epjc/s1005201859894
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3.

Analysis of the triplycharmed pentaquark states with QCD sum rules
/ Wang, ZhiGang
In this article, we construct the scalardiquark–scalardiquark–antiquark type current to study the ground state triplycharmed pentaquark states with the QCD sum rules. [...]
Published in EPJC 78 (2018) 300
10.1140/epjc/s1005201857860
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4.

The magnetic moment of the Zc(3900) as an axialvector tetraquark state with QCD sum rules
/ Wang, ZhiGang
In this article, we assign the Zc±(3900) to be the diquarkantidiquark type axialvector tetraquark state, study its magnetic moment with the QCD sum rules in the external weak electromagnetic field by carrying out the operator product expansion up to the vacuum condensates of dimension 8. [...]
Published in EPJC 78 (2018) 297
10.1140/epjc/s1005201857940
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5.

Analysis of the charmoniumlike states X*(3860), X(3872), X(3915), X(3930) and X(3940) according to their strong decay behaviorsSupported by the Fundamental Research Funds for the Central Universities (2016MS133)
/ Yu, GuoLiang ; Wang, ZhiGang ; Li, ZhenYu
Inspired by the newly observed state X*(3860), we analyze the strong decay behaviors of some charmoniumlike states, X*(3860), X(3872), X(3915), X(3930) and X(3940), with the 3P0 model. [...]
Published in Chinese Phys. C 42 (2018) 043107
10.1088/16741137/42/4/043107
arXiv:1704.06763
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6.

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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7.

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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8.

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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9.

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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10.

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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