Photodetachment of the outer shell of C − in the ground state

Photodetachment of the outer shells of the ground {sup 4}S{sup o} state of C{sup -} using an augmented R-matrix theoretical methodology has been studied from threshold to 13 eV. Total and partial cross sections and photoelectron angular distribution asymmetry parameters have been obtained. Excellent...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2004-08, Vol.70 (2), Article 022713
Main Authors: Zhou, H. L., Manson, S. T., Hibbert, A., Ky, L. Vo, Feautrier, N., Chang, J.-C.
Format: Article
Language:English
Subjects:
ALGEBRA
ANGULAR DISTRIBUTION
ANIONS
ASYMMETRY
ATOMIC AND MOLECULAR PHYSICS
CARBON
CARBON IONS
CROSS SECTIONS
ELECTRON DETACHMENT
EV RANGE
GROUND STATES
PHOTOELECTRON SPECTROSCOPY
PHOTON-ATOM COLLISIONS
PHOTONS
R MATRIX
RESONANCE
VELOCITY
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Summary:Photodetachment of the outer shells of the ground {sup 4}S{sup o} state of C{sup -} using an augmented R-matrix theoretical methodology has been studied from threshold to 13 eV. Total and partial cross sections and photoelectron angular distribution asymmetry parameters have been obtained. Excellent agreement between length and velocity formulations is found. The results resolve a discrepancy among earlier calculations, and a new shape resonance, 1s{sup 2}2s{sup 2}2p3s3p {sup 4}P, at a photon energy of 8.588 eV is predicted.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.70.022713