A Measurement of the Electric Form Factor of the Neutron through $\vec{d}(\vec{e},e'n)p$ at $Q^2 = 0.5$ (GeV/c)$^2$

E93026 Collaboration; et al; H. Zhu

arxiv: nucl-ex/0105001 · v1 · submitted 2001-05-03 · ⚛️ nucl-ex

A Measurement of the Electric Form Factor of the Neutron through vec{d}(vec{e},e'n)p at Q² = 0.5 (GeV/c)²

E93026 Collaboration , H. Zhu , et al This is my paper

classification ⚛️ nucl-ex

keywords measurementpolarizedelectricelectronsfactorformneutronsolid

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We report the first measurement of the neutron electric form factor $G_E^n$ via $\vec{d}(\vec{e},e'n)p$ using a solid polarized target. $G_E^n$ was determined from the beam-target asymmetry in the scattering of longitudinally polarized electrons from polarized deuterated ammonia, $^{15}$ND$_3$. The measurement was performed in Hall C at Thomas Jefferson National Accelerator Facility (TJNAF) in quasi free kinematics with the target polarization perpendicular to the momentum transfer. The electrons were detected in a magnetic spectrometer in coincidence with neutrons in a large solid angle segmented detector. We find $G_E^n = 0.04632\pm0.00616 (stat.) \pm0.00341 (syst.)$ at $Q^2 = 0.495$ (GeV/c)$^2$.

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