Low-energy electron scattering from Mg, Zn, Cd and Hg: shape resonances and electron affinities
- 21 December 1976
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 9 (18) , 3225-3236
- https://doi.org/10.1088/0022-3700/9/18/014
Abstract
Measurements of electron scattering at low energy from Mg, Zn, Cd and Hg have been carried out using the electron transmission method. A large shape resonance is observed for each element which is identified with the (ns2np)2P ground state of the negative ion. The electron affinities in eV are found to be Mg(-0.15), Zn(-0.49), Cd(-0.33) and Hg(-0.63) with an error of +or-0.04 eV. The results are compared with the available theoretical predictions.Keywords
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