15 citations · 20 across the 9 of their papers we have counts for
10 papers
Neutrinoless double beta decays of hyperons in covariant chiral perturbation theory
Zi-Ying Zhao, Ze-Rui Liang, Feng-Kun Guo +2
Neutrinoless double beta () decays of spin-1/2 hyperons are investigated in a covariant baryon chiral perturbation theory framework, extended by a operator proportiona…
Hyperon neutrinoless double beta decays in chiral perturbation theory
Zi-Ying Zhao, Ze-Rui Liang, Feng-Kun Guo +2
We study the neutrinoless double beta decays of spin-1/2 hyperons, with and , which violate lepton number…
Renormalization of chiral perturbation theory with spinless matter field in curved spacetime
Cheng-Cheng Li, Xiong-Hui Cao, Feng-Kun Guo
We generalize chiral perturbation theory with spinless matter fields in the fundamental representation of to curved spacetime in the presence of an external gravitati…
Two-Loop Extraction of the Pion-Nucleon Sigma Term
Ze-Rui Liang, Han-Xue Chen, Feng-Kun Guo +2
The pion-nucleon sigma term, characterizing the mass component of Higgs origin related to and quarks inside the nucleon, is investigated within relativistic baryon chiral p…
Nucleon mass in covariant baryon chiral perturbation theory at leading two-loop order
Ze-Rui Liang, Han-Xue Chen, Feng-Kun Guo +2
We calculate the nucleon mass within a manifestly relativistic formulation of baryon chiral perturbation theory (BChPT), extending the framework to leading two-loop order ($\mathca…
Revisiting Roy-Steiner-equation analysis of pion-kaon scattering from lattice QCD data
Xiong-Hui Cao, Feng-Kun Guo, Zhi-Hui Guo +1
A comprehensive analysis of and amplitudes at large unphysical pion mass for all important partial waves is presented. A set of crossing-…
Gravitational form factors of pions, kaons and nucleons from dispersion relations
Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +2
The gravitational form factors of pions, kaons and the nucleons are investigated by employing modern dispersive techniques and chiral perturbation theory. We determine the gravitat…
Chiral Representation of the Nucleon Mass at Leading Two-loop Order
Ze-Rui Liang, Han-Xue Chen, Feng-Kun Guo +2
We calculate the nucleon mass in a manifestly relativistic baryon chiral perturbation theory up to the leading two-loop order. Through dimensional counting analysis, we perform the…
Rigorous Roy-Steiner equation analysis of scattering at unphysical quark masses
Xiong-Hui Cao, Feng-Kun Guo, Zhi-Hui Guo +1
We perform a rigorous analysis of the scattering at an unphysical pion mass 391 MeV using the Roy-Steiner equations, which satisfy unitarity, analyticity and crossing symmetry…
Dispersive Determination of Nucleon Gravitational Form Factors
Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +1
Being closely connected to the origin of the nucleon mass, the gravitational form factors of the nucleon have attracted significant attention in recent years. We present the first…