New measurements of the transverse beam asymmetry for elastic electron scattering from selected nuclei
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Journal ArticleDate
2012-11-05Author
Abrahamyan, SAcha, A
Afanasev, A
Ahmed, Z
Albataineh, H
Aniol, K
Armstrong, DS
Armstrong, W
Arrington, J
Averett, T
Babineau, B
Bailey, SL
Barber, J
Barbieri, A
Beck, A
Bellini, V
Beminiwattha, R
Benaoum, H
Benesch, J
Benmokhtar, F
Bertin, P
Bielarski, T
Boeglin, W
Bosted, P
Butaru, F
Burtin, E
Cahoon, J
Camsonne, A
Canan, M
Carter, P
Chang, CC
Cates, GD
Chao, YC
Chen, C
Chen, JP
Choi, S
Chudakov, E
Cisbani, E
Craver, B
Cusanno, F
Dalton, MM
De Leo, R
De Jager, K
Deconinck, W
Decowski, P
Deepa, D
Deng, X
Deur, A
Dutta, D
Etile, A
Ferdi, C
Feuerbach, RJ
Finn, JM
Flay, D
Franklin, GB
Friend, M
Frullani, S
Fuchey, E
Fuchs, SA
Fuoti, K
Garibaldi, F
Gasser, E
Gilman, R
Giusa, A
Glamazdin, A
Glesener, LE
Gomez, J
Gorchtein, M
Grames, J
Grimm, K
Gu, C
Hansen, O
Hansknecht, J
Hen, O
Higinbotham, DW
Holmes, RS
Holmstrom, T
Horowitz, CJ
Hoskins, J
Huang, J
Humensky, TB
Hyde, CE
Ibrahim, H
Itard, F
Jen, CM
Jensen, E
Jiang, X
Jin, G
Johnston, S
Katich, J
Kaufman, LJ
Kelleher, A
Kliakhandler, K
King, PM
Kolarkar, A
Kowalski, S
Kuchina, E
Kumar, KS
Lagamba, L
Lambert, D
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http://hdl.handle.net/20.500.12613/5985
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10.1103/PhysRevLett.109.192501Abstract
We have measured the beam-normal single-spin asymmetry A n in the elastic scattering of 1-3 GeV transversely polarized electrons from H1 and for the first time from He4, C12, and Pb208. For H1, He4, and C12, the measurements are in agreement with calculations that relate A n to the imaginary part of the two-photon exchange amplitude including inelastic intermediate states. Surprisingly, the Pb208 result is significantly smaller than the corresponding prediction using the same formalism. These results suggest that a systematic set of new A n measurements might emerge as a new and sensitive probe of the structure of heavy nuclei. © 2012 American Physical Society.Citation to related work
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http://dx.doi.org/10.34944/dspace/5967