Dipole and nondipole angular-distribution effects in valence photoemission from neon

Dipole and nondipole angular-distribution effects in valence photoemission from neon

Nondipole angular-distribution parameters γ and δ for neon 2s and 2p photoelectrons have been measured and are compared to all available theoretical data. The agreement is very good throughout the 150–1200 eV photon-energy range studied. Furthermore, the neon 2p dipole angular-distribution parameter...

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Bibliographic Details
Published in:Journal of electron spectroscopy and related phenomena Vol. 123; no. 2; pp. 257 - 264
Main Authors: Hemmers, O., Blackburn, M., Goddard, T., Glans, P., Wang, H., Whitfield, S.B., Wehlitz, R., Sellin, I.A., Lindle, D.W.
Format: Journal Article
Language:English
Published: Elsevier B.V 01-05-2002
Subjects:
Angular distributions
ATOMIC PHOTOIONIZATION
BREAKDOWN
DISTRIBUTION PARAMETERS
Electron spectroscopy
ENERGY PHOTOIONIZATION
MULTIPOLE
NATURAL SCIENCES
NATURVETENSKAP
PHOTOELECTRONS
Photoemission
Photoionization
POLARIZATION
RANDOM-PHASE-APPROXIMATION
RETARDATION
X-RAY PHOTOEMISSION
Electron spectroscopy
Angular distributions
Photoionization
Photoemission
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Description
Summary:Nondipole angular-distribution parameters γ and δ for neon 2s and 2p photoelectrons have been measured and are compared to all available theoretical data. The agreement is very good throughout the 150–1200 eV photon-energy range studied. Furthermore, the neon 2p dipole angular-distribution parameter β and the 2s to 2p cross-section ratio have been measured throughout the same photon-energy range. The agreement between theoretical data and experiment is excellent.
ISSN:0368-2048
1873-2526
DOI:10.1016/S0368-2048(02)00025-7