A glow discharge in helium at cryogenic temperatures

Journal Article · Mon Sep 01 04:00:00 EDT 1975 · High Temp. (USSR) (Engl. Transl.); (United States)

OSTI ID:7272218

Asinovskii, E I; Kirillin, A V; Markovets, V V

An experimental study was made of a cryogenic glow discharge in helium. Measurements were made of the populations of the lower excited states, including the metastable levels He2/sup 1/S and He2/sup 3/S, and a set of electrical measurements was made of the parameters of the plasma in the column of the discharge. An analysis of the balance of the particles is made in a three-level model )He1/sup 1/S, He2/sup 3/S, eclosing-brace. A conclusion is drawn with respect to the need for a considerable increase in the rate constant of the excitation of metastable states from the ground state by electron impact, under the conditions of a discharge with an anomalously low intensity of the field. The increased role of processes which improve the function of the velocity distribution of the electrons near the excitation threshold under cryogenic conditions is emphasized. (AIP)

• Research Organization: High-Temperature Institute, Academy of Sciences of the USSR
• OSTI ID: 7272218
• Journal Information: High Temp. (USSR) (Engl. Transl.); (United States), Journal Name: High Temp. (USSR) (Engl. Transl.); (United States) Vol. 13:5; ISSN HITEA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700103* -- Fusion Energy-- Plasma Research-- Kinetics
COLLISIONS
CRYOGENIC FLUIDS
ELECTRIC DISCHARGES
ELECTRON COLLISIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FLUIDS
GLOW DISCHARGES
GROUND STATES
HELIUM
LOW TEMPERATURE
METASTABLE STATES
NONMETALS
RARE GASES