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Mobility of 3He+ and 4He+ ions in their own gases

Lookup NU author(s): Professor Alan Dickinson

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Abstract

The mobility of 3He+ in 3He has been calculated at 2 and 4.35 K for E/N values up to 30 Td, where E denotes the electric field strength, N is the gas number density and 1 Td is 10-21 V m2. The best available potentials and kinetic theory have been employed and full account has been taken of the nuclear spin statistics. At the same temperature and E/N value, the results differed by no more than 5% from those for 4He+ in 4He when scaled by the square root of the mass ratios for the two systems. For 4He+ in 4He, comparison with recent measurements at 4.3 K by Tanuma et al shows agreement to within 6% for E/N values up to 15 Td.

Publication metadata

Author(s): Lee MS, Dickinson AS, Viehland LA

Publication type: Article

Publication status: Published

Journal: Journal of Physics B: Atomic, Molecular and Optical Physics

Year: 2000

Volume: 33

Issue: 22

Pages: 5121-5127

ISSN (print): 0953-4075

ISSN (electronic): 1361-6455

Publisher: Institute of Physics Publishing Ltd.

URL: http://dx.doi.org/10.1088/0953-4075/33/22/313

DOI: 10.1088/0953-4075/33/22/313

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