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APS » Journals » Phys. Rev. A » Volume 49 » Issue 2
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Phys. Rev. A 49, R645–R648 (1994)

Ionization of hydrogen atoms by multiply charged ions at low energies: The scaling law

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R. K. Janev, G. Ivanovski, and E. A. Solov’ev
International Atomic Energy Agency, P.O. Box 100, A-1400 Vienna, Austria
Faculty of Natural Sciences and Mathematics, St. Cyril and Methodius University, P.O. Box 162, 91000 Skopje, Macedonia

Received 14 September 1993; published in the issue dated February 1994

Using the adiabatic superpromotion model of low-energy atomic collisions, a simple scaling relationship is derived for the ionization cross section of hydrogen atoms colliding with multiply charged ions. Detailed ionization-cross-section calculations for the systems H(1s)+He2+, C6+, and O8+ have been performed and used to determine three numerical constants in the cross-section-scaling relationship. The scaled cross section represents well the available data for fully stripped ions with charge Z≥2 in the energy region below the cross-section maximum.

© 1994 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.49.R645
DOI:
10.1103/PhysRevA.49.R645
PACS:
34.50.Fa, 35.80.+s
 
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