Identification of H sub 2 ( v double prime ) vibrational excitation processes in a hydrogen discharge
Journal Article
·
· Applied Physics Letters; (USA)
- Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (USA)
The enhancement of the H{sub 2}({ital v}{double prime}) vibrational distribution observed in the medium-density hydrogen discharge of Eenshuistra and co-workers is investigated theoretically as a function of different excitation processes. The observed fivefold enhancement of the {ital v}{double prime}=5 population with increasing discharge current is reproduced in the model. Principal excitations generating this enhancement are H{sup +}{sub 3}surface recombination and fast-electron excitation. Atom-surface recombination may be a principal contributor near the {ital v}{double prime}=1 portion of the spectrum.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6687386
- Journal Information:
- Applied Physics Letters; (USA), Journal Name: Applied Physics Letters; (USA) Vol. 57:3; ISSN APPLA; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Cross sections for the vibrational excitation of the H sub 2 X sup 1. Sigma. sup + sub g ( v ) levels generated by electron collisional excitation of the higher singlet states
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
CHARGED PARTICLES
COLLISIONS
CURRENTS
ELECTRIC CURRENTS
ELECTRIC DISCHARGES
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
HYDROGEN
HYDROGEN IONS
ION COLLISIONS
IONS
LAWRENCE LIVERMORE LABORATORY
MAGNETIC FIELDS
MOLECULAR IONS
MOLECULE COLLISIONS
NATIONAL ORGANIZATIONS
NONMETALS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
VIBRATIONAL STATES
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
CHARGED PARTICLES
COLLISIONS
CURRENTS
ELECTRIC CURRENTS
ELECTRIC DISCHARGES
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
ELECTRON-MOLECULE COLLISIONS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
HYDROGEN
HYDROGEN IONS
ION COLLISIONS
IONS
LAWRENCE LIVERMORE LABORATORY
MAGNETIC FIELDS
MOLECULAR IONS
MOLECULE COLLISIONS
NATIONAL ORGANIZATIONS
NONMETALS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
VIBRATIONAL STATES