SCOAP3 Repository 37 records found  1 - 10nextendSearch took 0.01 seconds. 
1. Possible pentaquark candidates: new excited Ωc states / Wang, Zhi-Gang ; Zhang, Jun-Xia
In this article, we study the axialvector-diquark–scalar-diquark–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/s10052-018-5989-4
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2. Analysis of the triply-charmed pentaquark states with QCD sum rules / Wang, Zhi-Gang
In this article, we construct the scalar-diquark–scalar-diquark–antiquark type current to study the ground state triply-charmed pentaquark states with the QCD sum rules. [...]
Published in EPJC 78 (2018) 300 10.1140/epjc/s10052-018-5786-0
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3. The magnetic moment of the Zc(3900) as an axialvector tetraquark state with QCD sum rules / Wang, Zhi-Gang
In this article, we assign the Zc±(3900) to be the diquark-antidiquark 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/s10052-018-5794-0
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4. Analysis of the charmonium-like 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, Guo-Liang ; Wang, Zhi-Gang ; Li, Zhen-Yu
Inspired by the newly observed state X*(3860), we analyze the strong decay behaviors of some charmonium-like states, X*(3860), X(3872), X(3915), X(3930) and X(3940), with the 3P0 model. [...]
Published in Chinese Phys. C 42 (2018) 043107 10.1088/1674-1137/42/4/043107 arXiv:1704.06763
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5. Analysis of the scalar, axialvector, vector, tensor doubly charmed tetraquark states with QCD sum rules / Wang, Zhi-Gang ; Yan, Ze-Hui
In this article, we construct the axialvector-diquark–axialvector-antidiquark 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/s10052-017-5507-0
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6. The decay width of the Zc(3900) as an axialvector tetraquark state in solid quark–hadron duality / Wang, Zhi-Gang ; Zhang, Jun-Xia
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/s10052-017-5514-1
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7. Analysis of the $\frac {3}{2}^{\pm }$ Pentaquark States in the Diquark Model with QCD Sum Rules / Zhang, Jun-Xia ; Wang, Zhi-Gang ; Di, Zun-Yan
In this article, we construct the scalar--diquark--axialvector--diquark--antiquark-type interpolating currents, and study the masses and pole res-idues of the $J^{P}=\frac{3}{2}^{\pm}$ hidden-charmed pentaquark states with the QCD sum rules. [...]
Published in Acta Physica Polonica B 48 (2017) 2013-2030 10.5506/APhysPolB.48.2013 arXiv:1711.10728
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8. Revisit assignments of the new excited Ωc states with QCD sum rules / Wang, Zhi-Gang ; Wei, Xing-Ning ; Yan, Ze-Hui
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/s10052-017-5409-1
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9. The Λ c (2860), Λ c (2880), Ξ c (3055) and Ξ c (3080) as D-wave baryon states in QCD / Wang, Zhi-Gang
In this article, we tentatively assign the Λc(2860) , Λc(2880) , Ξc(3055) and Ξc(3080) to be the D-wave baryon states with the spin-parity 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 three-types 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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10. Analysis of the scalar doubly charmed hexaquark state with QCD sum rules / Wang, Zhi-Gang
In this article, we study the scalar-diquark–scalar-diquark–scalar-diquark 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/s10052-017-5207-9
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SCOAP3 Repository : 37 records found   1 - 10nextend
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