2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190994From the recent measurement of parity nonconservation (PNC) in the Cs atom we have extracted the constant of the nuclear spin dependent electron-nucleon PNC interaction, $κ= 0.442 (63)$; the anapole moment constant, $κ_a = 0.364 (62)$; the strength of the PNC proton-nucleus potential, $g_p = 7.3 \pm 1.2 (exp.) \pm 1.5 (theor.)$; the $π$-meson-nucleon interaction constant, $f_π\equiv h_π^{1} = [9.5 \pm 2.1 (exp.) \pm 3.5 (theor.)] \times 10^{-7}$; and the strength of the neutron-nucleus potential, $g_n = -1.7 \pm 0.8 (exp.) \pm 1.3 (theor.)$.Uses RevTex, 12 pages. We have added an explanation of the effect of finite nuclear sizeNuclear TheoryAtomic Physicstext