Neutralization distances of Ar^Z+ Rydberg ions interacting with solid surfaces

Details Neutralization distances of Ar^Z+ Rydberg ions interacting with solid surfaces Neutralization distances of Ar^Z+ Rydberg ions interacting with solid surfaces

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008pobeo..84..161m&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, vol. 84, pp. 161-164

Astronomy and Astrophysics

Astronomy

Scientific paper

We apply the recently developed time-symmetrized, two-state vector model to investigate the intermediate stages of the electron capture into the Rydberg states of multiply charged Ar^Z+ ions (core charge Z >> 1, principal quantum number n_A >> 1) escaping Al-solid surface at low velocity. The simple analytical formulae derived for the corresponding neutralization rates enable us to analyze the neutralization distances for the low-l Rydberg states (n_A,l_A,m_A), for different charge states Z of the ion. It is found that the inclusion of core polarization significantly reduces the neutralization distances. The neutralization distances for the highest Rydberg levels that can be populated in the vicinity of solid surface are in agreement with the data deduced from experiments in which the kinetic energy gain due to the image acceleration of the ions is measured.

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