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Mobilities of doubly charged rare-gas ions in their parent gases

Journal Article · · Phys. Rev., A; (United States)
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The mobilities of the doubly charged rare-gas ions He/sup 2 +/, Ne/sup 2 +/, Ar/sup 2 +/, Kr/sup 2 +/, and Xe/sup 2 +/ in their parent gases have been determined in a drift-tube mass-spectrometer apparatus. The finding of more than one mobility for each of the doubly charged ions (with the exception of He/sup 2 +/) is attributed to the presence of the /sup 3/P, /sup 1/D, and /sup 1/S long-lived, lowest-energy states of these ions. At 300 K the reduced mobilities (in units of cm/sup 2//V sec) extrapolated to zero field have the values ..mu../sub 0/(He/sup 2 +/ in He) = 18.3; ..mu../sub 0/(Ne/sup 2 +/ in Ne) = 6.5(/sup 1/D), 7.0(/sup 3/P), 8.5(/sup 1/S); ..mu../sub 0/(Ar/sup 2 +/ in Ar) = 2.7(/sup 3/P), approx. 2.2(/sup 1/D); ..mu../sub 0/(Kr/sup 2 +/ in Kr) = 1.11 and 1.28; ..mu../sub 0/(Xe/sup 2 +/ in Xe) = 0.65 and 0.75. The measured values are accurate to +- 3%.

Research Organization:
Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
OSTI ID:
6694029
Journal Information:
Phys. Rev., A; (United States), Journal Name: Phys. Rev., A; (United States) Vol. 18:3; ISSN PLRAA
Country of Publication:
United States
Language:
English

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Related Subjects

640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ARGON
ARGON IONS
ATOM COLLISIONS
CHARGED PARTICLES
COLLISIONS
CRYOGENIC FLUIDS
ELEMENTS
ENERGY LEVELS
FLUIDS
HELIUM
HELIUM IONS
ION COLLISIONS
ION MOBILITY
ION-ATOM COLLISIONS
IONS
KRYPTON
KRYPTON IONS
MOBILITY
MULTICHARGED IONS
NEON
NEON IONS
NONMETALS
P STATES
PARTICLE MOBILITY
RARE GASES
S STATES
XENON
XENON IONS