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Recoil polarization measurements for neutral pion electroproduction at Q2=1(GeV/c)2 near the Δ resonance
We measured angular distributions of differential cross section, beam analyzing power, and recoil polarization for neutral pion electroproduction at Q2=1.0 (GeV/c)2 in 10 bins of 1.17⩽W⩽1.35 GeV across the Δ resonance. A ...
Transverse Beam Spin Asymmetries in Forward-Angle Elastic Electron-Proton Scattering
(American Physical Society, 2007-07-31)
We have measured the beam-normal single-spin asymmetry in elastic scattering of transversely polarized 3 GeV electrons from unpolarized protons at Q2=0.15, 0.25 (GeV/c)2. The results are inconsistent with calculations ...