Article ID Journal Published Year Pages File Type
1851497 Physics Letters B 2016 6 Pages PDF
Abstract

We construct an infrared-improved soft-wall AdS/QCD model for baryons by considering the infrared-modified 5D conformal mass and Yukawa coupling of the bulk baryon field. The model is also built by taking into account the parity-doublet pattern for the excited baryons. When taking the bulk vacuum structure of the meson field to be the one obtained consistently in the infrared-improved soft-wall AdS/QCD model for mesons, we arrive at a consistent prediction for the baryon mass spectrum in even and odd parity. The prediction shows a remarkable agreement with the experimental data. We also perform a calculation for the ρ(a1)ρ(a1) meson–nucleon coupling constant and obtain consistent result in comparison with the experimental data and other effective models.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
Authors
, , ,