Calculation of electron-potassium scattering

Journal Article · Sat May 01 04:00:00 EDT 1993 · Physical Review A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.47.3951· OSTI ID:6609573

Bray, I; Fursa, D V; McCarthy, I E ^[1]

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1. Electronic Structure of Materials Centre, School of Physical Sciences, The Flinders University of South Australia, G.P.O. Box 2100, Adelaide 5001 (Australia)

We present elastic through 7 [sup 2][ital F] differential, integrated, and total cross sections for electrons scattering from the ground state of potassium atoms. For the elastic channel, we also present spin asymmetries, and for the 4 [sup 2][ital P] channel we present spin asymmetries [ital L][sub [perpendicular]] for singlet, triplet, and spin-averaged scattering, optical excitation cross sections, and various photon polarization observables. These are calculated using the coupled-channel optical method. A total of 17 target states are explicitly coupled with the effect of the continuum included in the first six of these. The calculations have been performed at a range of energies from 1 to 100 eV. The results are generally in good agreement with available experiment. We find that the effect of the inclusion of the continuum is most evident in calculating spin asymmetries and singlet [ital L][sub [perpendicular]].

• OSTI ID: 6609573
• Journal Information: Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 47:5; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
ANGULAR MOMENTUM
ASYMMETRY
ATOM COLLISIONS
COLLISIONS
COUPLED CHANNEL THEORY
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ELECTRON COLLISIONS
ELECTRON-ATOM COLLISIONS
ELEMENTS
INELASTIC SCATTERING
INTEGRAL CROSS SECTIONS
METALS
PARTICLE PROPERTIES
POTASSIUM
SCATTERING
SPIN
TOTAL CROSS SECTIONS