Detachment of very-low-energy electrons from H/sup -/

Journal Article · Sun Jul 01 04:00:00 EDT 1984 · Phys. Rev. A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.30.655· OSTI ID:6977140

Duncan, M M; Menendez, M G; Hopkins, J L

High-resolution energy spectra of electrons detached from H/sup -/ and D/sup -/ upon collisions with He and Ar have been measured at and near theta/sub L/ = 0/sup 0/. The measurements reveal some structure previously unseen in the high-energy peak at v/sub e/ = v/sub i/. This structure, along with changes in the spectra for theta/sub L/>0/sup 0/, leads to the assumption that the peak at v/sub e/ = v/sub i/ is due to the superposition of a very sharp peak on a broader peak. This very sharp peak has been stripped from the data and transformed to the rest frame of the incident ion. The ejection probabilities for the very-low-energy group of electrons (< or approx. =0.10 eV) were found to possess forward-backward symmetry and to be insensitive to the target gas and velocity of the ion.

• Research Organization: Department of Physics and Astronomy, University of Georgia, Athens, Georgia 30602
• OSTI ID: 6977140
• Journal Information: Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 30:1; ISSN PLRAA
• Country of Publication: United States
• Language: English

Related Subjects

640304* -- Atomic
Molecular &amp; Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ANIONS
ARGON
ATOM COLLISIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
DATA
DATA ANALYSIS
DEUTERIUM IONS
DIFFERENTIAL CROSS SECTIONS
ELECTRON DETACHMENT
ELECTRON SPECTRA
ELEMENTS
ENERGY RANGE
EXPERIMENTAL DATA
FLUIDS
GASES
HELIUM
HYDROGEN IONS
HYDROGEN IONS 1 MINUS
INFORMATION
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
MEV RANGE
MEV RANGE 01-10
NONMETALS
NUMERICAL DATA
RARE GASES
SCATTERING
SMALL ANGLE SCATTERING
SPECTRA