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Mott scattering of multi-MeV electrons from heavy nuclei

Davide Conti, S. Navert, K. Bodek, W. Haeberli, St. Kistryn, Johannes Lang, O. Naviliat, E. Reichert, J. Sromicki, Michael L. Steigerwald, E. Stephan, J. Zejma

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Abstract

Polarization effects were studied in the elastic scattering of 14 MeV electrons from lead nuclei. The left/right asymmetry was measured at eight scattering angles between 126° and 172°. For each angle the effective analyzing power for scattering foils of various thicknesses was measured. The determined analyzing powers for thin targets are in good agreement with the Mott theory. Effects of the finite size of the lead nuclei are observed. This is the first polarization test of the Mott scattering theory for electrons with energies above 1 MeV.

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What this paper is about

Polarization effects were studied in the elastic scattering of 14 MeV electrons from lead nuclei. The left/right asymmetry was measured at eight scattering angles between 126° and 172°. For each angle the effective analyzing power for scattering foils of various thicknesses was measured. The determined analyzing powers for thin targets are in good agreement with the Mott theory. Effects of the finite size of the lead nuclei are observed. This is the first polarization test of the Mott scattering theory for electrons with energies above 1 MeV.

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Available abstract

Polarization effects were studied in the elastic scattering of 14 MeV electrons from lead nuclei. The left/right asymmetry was measured at eight scattering angles between 126° and 172°. For each angle the effective analyzing power for scattering foils of various thicknesses was measured. The determined analyzing powers for thin targets are in good agreement with the Mott theory. Effects of the finite size of the lead nuclei are observed. This is the first polarization test of the Mott scattering theory for electrons with energies above 1 MeV.

Key concepts: Scattering, Mott scattering, Electron, Asymmetry, Polarization (electrochemistry), Physics, Atomic physics, Elastic scattering

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