Lattice study of flavor SU(3) breaking in hyperon beta decay

Shoichi Sasaki, Takeshi Yamazaki

We present a quenched lattice calculation of all six form factors: vector [f_1(q^2)], weak magnetism [f_2(q^2)], induced scalar [f_3(q^2)], axial-vector [g_1(q^2)], weak electricit…