Verification of H[sup [minus]] formation in ultraviolet-laser-irradiated hydrogen: Implications for negative ion and neutral beam technologies
Journal Article
·
· Journal of Applied Physics; (United States)
- Atomic, Molecular, and High Voltage Physics Group, Health Sciences Research Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831-6122 (United States) Department of Physics, University of Tennessee, Knoxville, Tennessee 37996 (United States)
Photodetachment and ion mobility measurements are reported confirming the efficient H[sup [minus]] formation in UV-laser-irradiated H[sub 2] reported earlier [L. A. Pinnaduwage and L. G. Christophorou, Phys. Rev. Lett. [bold 70], 754 (1993)]. The implications of the efficienct H[sup [minus]] formation in UV-laser-irradiated H[sub 2] (and other types of negative ions in UV-laser-irradiated gases) for negative ion and neutral particle beam technologies are discussed. Also, the possible contribution to H[sup [minus]] formation in H[sub 2] discharge sources from electron attachment to high-lying electronically excited states of H[sub 2] is indicated.
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 7041858
- Journal Information:
- Journal of Applied Physics; (United States), Journal Name: Journal of Applied Physics; (United States) Vol. 76:1; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
661200 -- Techniques of General Use in Physics-- (1992-)
664200* -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
ATOM COLLISIONS
BEAMS
CHARGED PARTICLES
COLLISIONS
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
EXCITED STATES
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
ION BEAMS
ION MOBILITY
IONIZATION
IONS
LASER RADIATION
MOBILITY
PARTICLE MOBILITY
PHOTOIONIZATION
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
PRODUCTION
RADIATIONS
ULTRAVIOLET RADIATION
664200* -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
ATOM COLLISIONS
BEAMS
CHARGED PARTICLES
COLLISIONS
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
EXCITED STATES
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
ION BEAMS
ION MOBILITY
IONIZATION
IONS
LASER RADIATION
MOBILITY
PARTICLE MOBILITY
PHOTOIONIZATION
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
PRODUCTION
RADIATIONS
ULTRAVIOLET RADIATION