1. Beam-normal single spin asymmetry in elastic electron scattering off 28Si and 90Zr
- Author
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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, and C. Sfienti
- Subjects
Transverse asymmetry ,Elastic scattering ,Polarized beam ,Multi-photon exchange ,Physics ,QC1-999 - Abstract
We report on a new measurement of the beam-normal single spin asymmetry An in the elastic scattering of 570 MeV transversely polarized electrons off 28Si and 90Zr at Q2=0.04 GeV2/c2. 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.
- Published
- 2020
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