Conveners
主会七
- 朝峰 刘 ()
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 chiral expansion and verify the validity of the extended-on-mass-shell scheme at the two-loop level. As a result, we obtain the complete chiral representation of the nucleon mass up to $\mathcal{O}(p^5)$, which...
We present a lattice QCD study of two-baryon systems with strangeness $S=-2$, focusing on the $\Lambda\Lambda$ and $\Xi N$ interactions, which are essential for determining the existence of the H-dibaryon. Our calculations are performed on $N_f=2+1$ CLQCD Wilson-Clover configurations, with lattice spacings range from $a \approx 0.05-0.105~\mathrm{fm}$ and pion masses from $M_\pi \approx...