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10 papers · 2 filters
Is Z^+(4430) a loosely bound molecular state?
Xiang Liu, Yan-Rui Liu, Wei-Zhen Deng +1
Since lies very close to the threshold of , we investigate whether could be a loosely bound S-wave state of or $D^\ast{…
Bottom Baryons
Xiang Liu, Hua-Xing Chen, Yan-Rui Liu +2
Recently CDF and D0 collaborations observed several bottom baryons. In this work we perform a systematic study of the masses of bottom baryons up to in the framework of hea…
Light Scalar Mesons in the QCD Sum Rule
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the light scalar mesons in the QCD sum rule. We find that there are five independent scalar tetraquark currents in the local form, and we perform QCD sum rule analysis usi…
Spectroscopy of Mesons with Heavy Quarks
Shi-Lin Zhu
I will give a concise overview of mesons with heavy quarks including p-wave charmed mesons and charmonium (or charmonium-like) states such as X(3872), Y(4260), X(3940), Y(3940), Z(…
Light Scalar Tetraquark Mesons in the QCD Sum Rule
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the lowest-lying scalar mesons in the QCD sum rule by considering them as tetraquark states. We find that there are five independent currents for each state with a certain…
Strong decays of charmed baryons
Chong Chen, Xiao-Lin Chen, Xiang Liu +2
There has been important experimental progress in the sector of heavy baryons in the past several years. We study the strong decays of the S-wave, P-wave, D-wave and radially excit…