Determination of the neutron electric form factor in quasielastic scattering of polarized electrons from polarized 3He

Jones-Woodward, C.E.; Beise, E.J.; Belz, J.E.; Carr, R.W.; Filippone, B.W.; Lorenzon, W.; McKeown, R.D.; Mueller, B.A.; O'Neill, T.G.; Dodson, G.; Dow, K.; Farkhondeh, M.; Kowalski, S.; Lee, K.; Makins, N.; Milner, R.; Thompson, A.; Teiger, D.; van den Brand, J.F.L.; Young, A.; Yu, X.; Zumbro, J.D.

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Date

1991-08

Author

Jones-Woodward, C.E.

Beise, E.J.

Belz, J.E.

Carr, R.W.

Filippone, B.W.

Lorenzon, W.

McKeown, R.D.

Mueller, B.A.

O'Neill, T.G.

Dodson, G.

Dow, K.

Farkhondeh, M.

Kowalski, S.

Lee, K.

Makins, N.

Milner, R.

Thompson, A.

Teiger, D.

van den Brand, J.F.L.

Young, A.

Yu, X.

Zumbro, J.D.

Citation

Jones-Woodward, C.E. et al. "Determination of the neutron electric form factor in quasielastic scattering of polarized electrons from polarized 3He." Physical Review C 44, no. 2 (1991): R571-R574.

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Abstract

We report a measurement of the asymmetry in spin-dependent quasielastic scattering of longitudinally polarized electrons from a polarized 3He gas target. The asymmetry is measured at kinematics sensitive to the transverse-longitudinal response function RTL(Q2,ω). The value of the neutron electric form factor GEn(Q2=0.16 (GeV/c2))=+0.070±0.100±0.035 is extracted from the asymmetry using a Faddeev calculation of the 3He wave function.