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Article Dans Une Revue Phys.Rev.A Année : 2022

Determination of diffusion coefficients of mercury atoms in various gases from longitudinal spin relaxation in magnetic gradients

Résumé

We present a novel method to measure the binary diffusion coefficient of mercury atoms in a gas at room temperature and low pressure. It is based on the measurement of the longitudinal spin relaxation of optically pumped mercury-199 atoms in a magnetic field gradient. We provide a consistent set of diffusion coefficients for helium-3, helium-4, argon, krypton, xenon, nitrogen, carbon dioxide, oxygen, and air.

Dates et versions

hal-03778242 , version 1 (15-09-2022)

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B. Clément, M. Guigue, A. Leredde, G. Pignol, D. Rebreyend, et al.. Determination of diffusion coefficients of mercury atoms in various gases from longitudinal spin relaxation in magnetic gradients. Phys.Rev.A, 2022, 106 (6), pp.062815. ⟨10.1103/PhysRevA.106.062815⟩. ⟨hal-03778242⟩
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