$I=\frac{3}{2}$ $\ddot{I}€K$ $s$-wave scattering length from lattice QCD

Ziwen Fu, Qu-Zhi Li, Jun Wang

The $I=\frac{3}{2}$ $\ddot{I}€K$ $s$-wave scattering phase shift is computed by lattice quantum chromodynamics with $N_f=3$ flavors of Asqtad-improved staggered fermions. The energy-eigen…