Abstract
Spin asymmetries in elastic lepton–deuteron scattering in the one-photon-exchange approximation within the limit of zero lepton mass are investigated. Numerical estimations for the spin asymmetries \(A^{(0)}_{xx}\), \(A^{(0)}_{xz}\), and \(A^{(0)}_{zz}\) caused by an unpolarized lepton beam and a tensor polarized deuteron target are presented. The estimated results are analyzed at different lepton beam energies and scattering angles. In addition, the influence of the obtained results on the nucleon structure is investigated for the first time. We found a considerable dependence of the results on the nucleon structure at lepton scattering angles greater than 30\({}^{\circ}\), particularly in the case of \(A^{(0)}_{zz}\) asymmetry. The estimated results are of particular interest due to the planned experimental measurements of lepton–deuteron scattering which aim for accurate calculation of the charge radius of the proton to a high degree of precision.
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The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University for funding this work through research groups program, grant no. R.G.P.1/78/42.
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Darwish, E.M., Mahmoud, Z.M. & Al-Thoyaib, S.S. Influence of Nucleon Structure on Tensor Spin Asymmetries in Elastic Lepton–Deuteron Scattering. Moscow Univ. Phys. 77, 31–42 (2022). https://doi.org/10.3103/S0027134922010246
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DOI: https://doi.org/10.3103/S0027134922010246