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New QCD Sum Rule for
Yuan-Ben Dai, Shi-Lin Zhu
We derive a new QCD sum rule for which has only the continuum with a resonance in the hadron side, using the assumption similar to that has been successfully used in…
Contribution of Continuum in the QCD Sum Rule for
Yuan-Ben Dai, Xin-Qiang Li, Shi-Lin Zhu +1
Using the soft-pion theorem and the assumption on the final-state interactions, we include the contribution of continuum into the QCD sum rules for meson. We fi…
The Hidden Charm Decay of and Final State Interaction Effects
Xiang Liu, Bo Zhang, Shi-Lin Zhu
We investigate whether the final state interaction (FSI) effect plays a significant role in the large hidden charm decay width of X(3872) and Y(3940) using a model. Our numerical r…
QCD Sum Rule Study of the Masses of Light Tetraquark Scalar Mesons
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We study the low-lying scalar mesons of light u, d, s flavors in the QCD sum rule. Having all possible combinations of tetraquark currents in the local form, QCD sum rule analysis…
Isospin symmetry breaking of K and K* mesons
Hua-Xing Chen, Atsushi Hosaka, Shi-Lin Zhu
We use the method of QCD sum rules to investigate the isospin symmetry breaking of K and K* mesons. The electromagnetic effect, difference between up and down current-quark masses…
The Possible Heavy Tetraquarks , and
Ying Cui, Xiao-Lin Chen, Wei-Zhen Deng +1
Assuming X(3872) is a tetraquark and using its mass as input, we perform a schematic study of the masses of possible heavy tetraquarks using the color-magnetic i…