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Beam-normal single spin asymmetry in elastic electron scattering off 28Si and 90Zr
Physics Letters B ( IF 4.3 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.physletb.2020.135664
A. Esser , M. Thiel , P. Achenbach , K. Aulenbacher , S. Aulenbacher , S. Baunack , D. Bosnar , S. Caiazza , M. Christmann , M. Dehn , M.O. Distler , L. Doria , P. Eckert , M. Gorchtein , P. Gülker , P. Herrmann , M. Hoek , S. Kegel , P. Klag , H.-J. Kreidel , M. Littich , S. Lunkenheimer , F.E. Maas , M. Makek , H. Merkel , M. Mihovilovič , J. Müller , U. Müller , J. Pochodzalla , B.S. Schlimme , R. Spreckels , V. Tioukine , C. Sfienti

Abstract We report on a new measurement of the beam-normal single spin asymmetry A n in the elastic scattering of 570 MeV transversely polarized electrons off 28Si and 90Zr at Q 2 = 0.04 GeV 2 / c 2 . The studied kinematics allow for a comprehensive comparison with former results on 12C. No significant mass dependence of the beam-normal single spin asymmetry is observed in the mass regime from 12C to 90Zr.

中文翻译:

28Si 和 90Zr 弹性电子散射中的束法向单自旋不对称性

摘要 我们报告了在 Q 2 = 0.04 GeV 2 / c 2 下 28Si 和 90Zr 的 570 MeV 横向极化电子的弹性散射中光束法向单自旋不对称性 An 的新测量。所研究的运动学允许与之前在 12C 上的结果进行全面比较。在从 12C 到 90Zr 的质量范围内没有观察到光束法向单自旋不对称的显着质量依赖性。
更新日期:2020-09-01
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