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Exotic hadron states
Wei Chen, J. Ho, T. G. Steele +5
Many charmonium-like and bottomonium-like resonances have been observed by the Belle, Babar, CLEO and BESIII collaborations in the past decade. They are difficult to fit in t…
The masses and axial currents of the doubly charmed baryons
Zhi-Feng Sun, Zhan-Wei Liu, Xiang Liu +1
The chiral dynamics of the doubly heavy baryons is solely governed by the light quark. In this work, We have derived the chiral corrections to the mass of the doubly heavy baryons…
Exploring the Spectrum of Heavy Quarkonium Hybrids with QCD Sum Rules
R. T. Kleiv, B. Bulthuis, D. Harnett +5
QCD Laplace sum rules are used to calculate heavy quarkonium (charmonium and bottomonium) hybrid masses in several distinct channels. Previous studies of heavy quarkonium…
The D-wave heavy-light mesons from QCD sum rules
Dan Zhou, Er-Liang Cui, Hua-Xing Chen +3
We study the D-wave c_bar s heavy meson doublets (1^-,2^-) and (2^-,3^-) using the method of QCD sum rule in the framework of heavy quark effective theory. Choosing the same thresh…
QCD sum rule Study of the
Hua-Xing Chen, Er-Liang Cui, Wei Chen +2
We systematically construct six-quark local interpolating currents without derivative operators. We discuss the best choice of operator, and select three - li…
Hidden-Charm Tetraquarks and Charged Zc States
Lu Zhao, Wei-Zhen Deng, Shi-Lin Zhu
Experimentally several charged axial-vector hidden-charm states were reported. Within the framework of the color-magnetic interaction, we have systematically considered the mass sp…