3 papers
hep-ph2026
Studies of low energy process in covariant chiral perturbation theory
Xu Wang, Kai-Ge Kang, Zhiguang Xiao +1
This study presents a tree-level calculation of the scattering amplitude for the (with a hard photon) process within the framework of Chiral Perturbation Theory. Our c…
hep-ph2025
Studies on quark-mass dependence of the pole from PT amplitudes
Xu Wang, Kai-Ge Kang, Qu-Zhi Li +2
The quark-mass dependence of the pole is analyzed using -matrix method, with the scattering amplitude calculated up to order in chiral perturbation the…
hep-ph2025
Double pion photoproduction off nucleons in covariant chiral perturbation theory
Kai-Ge Kang, Xiong-Hui Cao, De-Liang Yao +1
The double pion photoproduction off nucleons near threshold is analyzed in a covariant baryon chiral perturbation theory up to next to leading order, where the , $N^*(140…