U-spin symmetry energy and hyperon puzzle

Hao-Song You, Ting-Lan Yu, Sophia Han +2

By combining the ($u$,$d$) I-spin doublets or ($d$,$s$) U-spin doublets, the SU(3) flavor symmetry of light quarks can be decomposed into SU(2)${}_I\times$U(1)${}_Y$ or SU(2)${}_U\times$…