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Differential Cross Section Measurements for Elastic Scattering of Electrons from Ar2+ and Xe2+

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Published under licence by IOP Publishing Ltd
, , Citation P McKenna and I D Williams 2001 Phys. Scr. 2001 370 DOI 10.1238/Physica.Topical.092a00370

1402-4896/2001/T92/370

Abstract

A crossed-beams energy-loss spectrometer has been used to investigate angular distributions for electron scattering from Ar2+ and Xe2+ ions, at a collision energy of 16 eV. For Ar2+ the measurements are compared with the predictions of a partial waves calculation based on a semi-empirical potential, where it is shown that the interference term governs the position of the observed minimum in the angular distribution.

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10.1238/Physica.Topical.092a00370