Chiral Corrections to Hyperon Vector Form Factors

Jeffrey Anderson, Markus A. Luty

We show that the leading $SU(3)$-breaking corrections to the $\Delta S=1$ $f_1$ vector form factors of hyperons are $O(m_s)$ and $O(m_s^{3/2})$, and are expected to be $\sim 20$--$30\%…