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hep-ph2026
On-shell renormalization in NREFT: a simplified description of resonances, bound states, and coupled channel effects
Guo-Ying Chen
We discuss several issues regarding the modern generalization of Weinberg's compositeness criterion. In particular, we demonstrate that the on-shell renormalization in NREFT reprod…
hep-ph2026
Compositeness relations for near-threshold p-wave bound states
Guo-Ying Chen
We generalize Weinberg's compositeness relations to near-threshold p-wave bound states and derive the relations between the p-wave effective range expansion parameters, binding ene…
hep-ph2019
Meson-meson scattering in two-dimensional QCD
Guo-Ying Chen, Yingsheng Huang, Yu Jia +1
We extend the formalism pioneered by Callan, Coote and Gross to investigate the meson-meson scattering within the framework of 't Hooft model, i.e., the two-dimensional QCD in the…