SCOAP3 Repository 33 records found  1 - 10nextendSearch took 0.01 seconds. 
1. 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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2. 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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3. 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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4. 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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5. 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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6. 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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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, Guo-Liang ; Wang, Zhi-Gang ; Li, Zhen-Yu
In this article, we study the strong interaction of the vertices ΣbNB and ΣcND using the three-point QCD sum rules under two different Dirac structures. [...]
Published in Chinese Phys. C 41 (2017) 083104 10.1088/1674-1137/41/8/083104 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, Zhi-Gang
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 10.1088/1674-1137/41/8/083103 arXiv:1611.03250
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9. Analysis of the QQQ¯Q¯ tetraquark states with QCD sum rules / Wang, Zhi-Gang
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/s10052-017-4997-0
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10. Analysis of Ωc(3000) , Ωc(3050) , Ωc(3066) , Ωc(3090) and Ωc(3119) with QCD sum rules / Wang, Zhi-Gang
In this article, we assign Ωc(3000) , Ωc(3050) , Ωc(3066) , Ωc(3090) and Ωc(3119) to the P-wave baryon states with JP=12- , 12- , 32- , 32- and 52- , respectively, and study them with the QCD sum rules by introducing an explicit relative P-wave between the two s quarks. [...]
Published in EPJC 77 (2017) 325 10.1140/epjc/s10052-017-4895-5
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SCOAP3 Repository : 33 records found   1 - 10nextend
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