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Effects of states and bottom meson loops on transitions
Yun-Hua Chen, Martin Cleven, Johanna T. Daub +5
We study the dipion transitions . In particular, we consider the effects of the two intermediate bottomoniumlike exotic states $Z_b(10610)…
Subtraction of power counting breaking terms in chiral perturbation theory: spinless matter fields
Meng-Lin Du, Feng-Kun Guo, Ulf-G. Meißner
When matter fields are included in chiral perturbation theory, the nonvanishing mass in the chiral limit introduces a new energy scale so that the loop diagrams including such matt…
Aspects of the low-energy constants in the chiral Lagrangian for charmed mesons
Meng-Lin Du, Feng-Kun Guo, Ulf-G. Meißner +1
We investigate the numerical values of the low-energy constants in the chiral effective Lagrangian for the interactions between the charmed mesons and the lightest pseudoscalar mes…
Where does the X(5568) structure come from?
Zhi Yang, Qian Wang, Ulf-G. Meißner
We study the semi-exclusive production of pairs in hadron colliders which is associated with the structure observed by the D0 Collaboration in 2016, but tha…
Chiral study of the resonance and scattering phase shifts in light of a recent lattice simulation
Zhi-Hui Guo, Liuming Liu, Ulf-G. Meißner +2
We investigate the resonance within chiral effective field theory through a three-coupled-channel analysis, namely , and . A global fit to recent lat…
-wave coupled channel effects in electron-positron annihilation
Meng-Lin Du, Ulf-G. Meißner, Qian Wang
-wave coupled channel effects arising from the , , and thresholds in annihilations are systematically studied. We provide an e…