New result for the neutron $\beta$-asymmetry parameter $A_0$ from UCNA

M. A. -P. Brown, E. B. Dees, E. Adamek +56

The neutron $\beta$-decay asymmetry parameter $A_0$ defines the correlation between the spin of the neutron and the momentum of the emitted electron, which determines $λ=\frac{g_{A}}{g…