Mass spectra of double-bottom baryons

Based on the relativistic quark model and infinitesimally shifted Gaussian basis function method, we investigate mass spectra of double bottom baryons systematically. In $\rho$-mode which appears lower in energy than other excited modes, obtain allowed quantum states perform a systematic study $\Xi_{bb}$ $\Omega_{bb}$ families. We analyze root mean square radii radial probability density distributions to deeply understand structure heavy baryons. Meanwhile, allow us successfully construct Regge trajectories $(J,M^{2})$ plane. also predict masses ground discuss differences between structures our those from theoretical methods. At last, shell baryon is shown, one could get bird's-eye view spectra.