Research Papers in Physics and Astronomy

 

Date of this Version

October 1989

Comments

Published by American Physical Society. Phys. Rev. A 40, 4770 (1989). http://pra.aps.org. Copyright © 1989 American Physical Society. Permission to use.

Abstract

Studies of electron transmission through Ca vapor reveal two prominent resonances in the range 0–4 eV. The energies and widths of these temporary anion states suggest that they may be assigned to the strongly mixed (4s23d) 2D and (4s4p2)2D states of Ca-. This interpretation is supported by ab initio configuration-interaction calculations and is consistent with previously unassigned structure observed in the photodetachment cross section.

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