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Asymmetry measurements were conducted in Jefferson Lab's experimental Hall Athrough electron scattering from a polarized $^3$He target in the quasi-elastic$^3\mathrm{He}(e,e'n)$ reaction. Measurements were made with the targetpolarized in the longitudinal direction with respect to the incoming electrons($A_L$), in a transverse direction that was orthogonal to the beam-line andparallel to the q-vector ($A_T$), and in a vertical direction that wasorthogonal to both the beam-line and the q-vector ($A_y^0$). The experimentmeasured $A_y^0$ at four-momentum transfer squared (Q$^2$) of 0.127(GeV/$c$)$^2$, 0.456 (GeV/$c$)$^2$, and 0.953 (GeV/$c$)$^2$. The $A_T$ and$A_L$ asymmetries were both measured at Q$^2$ of 0.505 (GeV/$c$)$^2$ and 0.953(GeV/$c$)$^2$. This is the first time that three orthogonal asymmetries havebeen measured simultaneously. Results from this experiment are compared withthe plane wave impulse approximation (PWIA) and Faddeev calculations. Theseresults provide important tests of models that use $^3$He as an effectiveneutron target and show that the PWIA holds above Q$^2$ of 0.953 (GeV/$c)^2$.

Polarized 3He(e,e'n) Asymmetries in Three Orthogonal Measurements