Neutron electric form factor up to Q{sup 2} = 1.47 GeV/c{sup 2}
2003
The ratio of the electric to the magnetic form factor of the neutron, g /equiv G{sub En}/G{sub Mn} , was measured via recoil polarimetry (R.G. Arnold, C.E. Carlson, F. Gross, Phys. Rev. C 23, 363 (1981)) from the quasielastic {sup 2}H (/mathop(e)/limitse' /mathop(n)/limits) 1H reaction at three values of Q{sup 2} (viz, 0.45, 1.15, and 1.47 (GeV/c){sup 2}) in Hall C of the Thomas Jefferson National Accelerator Facility. The data reveal that GEn continues to follow the Galster parameterization up to Q{sup 2} = 1.15 (GeV/c){sup 2} and rises above the Galster parameterization at Q{sup 2} = 1.47 (GeV/c){sup 2}.
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