Final results for the neutron ${\hat{I}}^2$-asymmetry parameter $A_0$ from the UCNA experiment

B. Plaster, E. Adamek, B. Allgeier +91

The UCNA experiment was designed to measure the neutron ${\hat{I}}^2$-asymmetry parameter $A_0$ using polarized ultracold neutrons (UCN). UCN produced via downscattering in solid deuterium…