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1990•Journal of Physics B Atomic Molecular and Optical PhysicsOpen access

Search for a joint spin-orbit and exchange asymmetry in elastic electron scattering from spin-polarised sodium

Jabez J. McClelland, S J Buckman, Michael H. Kelley, R. J. Celotta

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Abstract

Measurements of the asymmetry in the scattering of unpolarised electrons from optically pumped spin-polarised sodium atoms have been carried out at incident electron energies of 20, 54.4 and 70 eV and for a range of scattering angles between 20' and 140'. This asymmetry, which was first proposed by Farago (1974) as a means of measuring spin-orbit effects in the presence of a dominant spin-exchange interaction, is less than 1% at all energies and scattering angles studied.

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Measurements of the asymmetry in the scattering of unpolarised electrons from optically pumped spin-polarised sodium atoms have been carried out at incident electron energies of 20, 54.4 and 70 eV and for a range of scattering angles between 20' and 140'. This asymmetry, which was first proposed by Farago (1974) as a means of measuring spin-orbit effects in the presence of a dominant spin-exchange interaction, is less than 1% at all energies and scattering angles studied.

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Available abstract

Measurements of the asymmetry in the scattering of unpolarised electrons from optically pumped spin-polarised sodium atoms have been carried out at incident electron energies of 20, 54.4 and 70 eV and for a range of scattering angles between 20' and 140'. This asymmetry, which was first proposed by Farago (1974) as a means of measuring spin-orbit effects in the presence of a dominant spin-exchange interaction, is less than 1% at all energies and scattering angles studied.

Key concepts: Asymmetry, Scattering, Electron, Spin (aerodynamics), Atomic physics, Physics, Mott scattering, Range (aeronautics)

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