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Scalar Tetraquark Currents With Application to the QCD Sum Rule
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the light scalar mesons in the QCD sum rule. We construct both the diquark-antidiquark currents and the meson-meson currents . We…
X(3872) and Other Possible Heavy Molecular States
Xiang Liu, Zhi-Gang Luo, Yan-Rui Liu +1
We perform a systematic study of the possible molecular states composed of a pair of heavy mesons such as , , in the framework of the me…
The I^G J^{PC}=0^+ 1^{-+} Tetraquark State
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the tetraquark state with I^G J^{PC} = 0^+ 1^{-+} in the QCD sum rule. We exhaust all possible flavor structures by using a diquark-antidiquark construction and find that…
Chiral Properties of Baryon Fields with Flavor SU(3) Symmetry
Hua-Xing Chen, V. Dmitrasinovic, Atsushi Hosaka +2
We investigate chiral properties of local (non-derivative) fields of baryons consisting of three quarks with flavor SU(3) symmetry. We construct explicitly independent local three-…
The I^G J^{PC}=1^- 1^{-+} Tetraquark States
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the tetraquark states with I^G J^{PC}=1^- 1^{-+} in the QCD sum rule. After exhausting all possible flavor structures, we analyses both the SVZ and finite energy sum rules…
Semileptonic decays of , , and
Zhi-Gang Luo, Xiao-Lin Chen, Xiang Liu +1
Stimulated by recent observations of the excited bottom-strange mesons and , we calculate the semileptonic decays $B_{s0}, B_{s1}^{\prime}, B_{s1}, B_{s2}^*\to […