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7 papers · 2 filters
The spin of the proton in chiral effective field theory
Hongna Li, P. Wang, D. B. Leinweber +1
Proton spin is investigated in chiral effective field theory through an examination of the singlet axial charge, , and the two non-singlet axial charges, and . Fini…
The Quark Propagator in a Truncation Scheme beyond the Rainbow Approximation
Hui-Feng Fu, Qing Wang
The quark propagator is studied under a truncation scheme beyond the rainbow approximation by dressing the quark-gluon vertex non-perturbatively. It is found that, in the chiral li…
The effect of the chiral chemical potential on the chiral phase transition in the NJL model with different regularization schemes
Lang Yu, Hao Liu, Mei Huang
We study the chiral phase transition in the presence of the chiral chemical potential using the two-flavor Nambu--Jona-Lasinio model. In particular, we analyze the reason why…
Degeneracy of doubly heavy baryons from heavy quark symmetry
Yong-Liang Ma, Masayasu Harada
The spectroscopy of the doubly heavy baryons including different heavy quarks is studied based on the heavy quark symmetry of QCD. We point out that, when the two heavy quarks are…
Effects of scalar mesons in a Skyrme model with hidden local symmetry
Bing-Ran He, Yong-Liang Ma, Masayasu Harada
We study the effects of light scalar mesons on the skyrmion properties by constructing and examining a mesonic model including pion, rho meson, and omega meson fields as well as tw…
Doubly heavy baryons with chiral partner structure
Yong-Liang Ma, Masayasu Harada
The spectrum and dominant strong decay properties of the doubly heavy baryons are revisited by using a chiral effective model with chiral partner structure. By regarding the doubly…