SCOAP3 Repository 41 records found  1 - 10nextendSearch took 0.14 seconds. 
1. Lowest vector tetraquark states: Y (4260 / 4220) or Zc(4100) / Wang, Zhi-Gang
In this article, we take the Y (4260 / 4220) as the vector tetraquark state with JPC=1-- , and construct the Cγ5⊗∂↔μ⊗γ5C type diquark-antidiquark current to study its mass and pole residue with the QCD sum rules in details by taking into account the vacuum condensates up to dimension 10 in a consistent way. [...]
Published in EPJC 78 (2018) 933 10.1140/epjc/s10052-018-6417-5
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2. Analysis of the Axialvector Doubly Heavy Tetraquark States with QCD Sum Rules / Wang, Zhi-Gang
In this article, we construct the axialvector-diquark--scalar-antidiquark-type currents to interpolate the axialvector doubly heavy tetraquark states, and study them with the QCD sum rules in details by carrying out the operator product expansion up to the vacuum condensates of dimension~10..
Published in Acta Physica Polonica B 49 (2018) 1781-1800 10.5506/APhysPolB.49.1781 arXiv:1708.04545
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3. Analysis of the doubly heavy baryon states and pentaquark states with QCD sum rules / Wang, Zhi-Gang
In this article, we study the doubly heavy baryon states and pentaquark states with the QCD sum rules by carrying out the operator product expansion up to the vacuum condensates of dimension 7 and 13 respectively in a consistent way. [...]
Published in EPJC 78 (2018) 826 10.1140/epjc/s10052-018-6300-4
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4. Vector tetraquark state candidates: Y (4260 / 4220), Y (4360 / 4320), Y (4390) and Y (4660 / 4630) / Wang, Zhi-Gang
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 dimension-10 in a consistent way, and obtain four QCD sum rules. [...]
Published in EPJC 78 (2018) 518 10.1140/epjc/s10052-018-5996-5
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5. 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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6. 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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7. 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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8. 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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9. 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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10. 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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SCOAP3 Repository : 41 records found   1 - 10nextend
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