From the current literature

Experiments with cold hydrogen atoms

This review examines the numerous studies performed in recent years on atomic processes involving ``cold'' hydrogen atoms in the gas phase and at a surface. The term ``cold'' atom denotes the range of relative collision energies $E$ < 10 meV (correspondingly, ``ultracold'' atoms have $E\lesssim$ 1 meV). This corresponds to the temperature range of tens (or units) of kelvins. Three main fields of study in which extensive experimental programs have been realized are treated: the study of collision processes involving hydrogen atoms, which are of astrophysical interest; the study of elastic atom-molecule scattering at ultralow energies; and studies on the problem of condensed hydrogen. The fundamental technical means of realization and the results obtained from the studies are discussed.

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Fulltext is also available at DOI: 10.1070/PU1981v024n04ABEH004811
PACS: 34.40.+n, 61.80.Lj
DOI: 10.1070/PU1981v024n04ABEH004811
Citation: Leonas V B "Experiments with cold hydrogen atoms" Sov. Phys. Usp. 24 318–330 (1981)
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Оригинал: Леонас В Б «Эксперименты с холодными атомами водорода» УФН 133 707–728 (1981); DOI: 10.3367/UFNr.0133.198104e.0707

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