Measurement of the Deuteron Spin Structure Function g1d(x) for 1 (GeV/c)2 < Q2 < 40 (GeV/c)2
Abstract
New measurements are reported on the deuteron spin structure function g1d. These results were obtained from deep inelastic scattering of 48.3 GeV electrons on polarized deuterons in the kinematic range 0.01 < x < 0.9 and 1 < Q2 < 40 (GeV/c)2. These are the first high dose electron scattering data obtained using lithium deuteride (6Li2H) as the target material. Extrapolations of the data were performed to obtain moments of g1d, including Gamma1d, and the net quark polarization Delta Sigma.
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