Beyond the dipole approximation: angular-distribution effects in valence photoemission
Angular distributions of valence photoelectrons showing effects due to higher-multipole photon interactions have been measured for the first time. Neon 2s and 2p photoemission exhibits effects beyond the dipole approximation throughout the 250 - 1200 eV photon-energy range studied. The results suggest that any photoemission experiment, on any sample, can be affected at relatively low photon energies, pointing to a general need for caution in interpreting angle-resolved-photoemission measurements.
Atomic, Molecular and Optical Physics | Physical Chemistry
Use Find in Your Library, contact the author, or use interlibrary loan to garner a copy of the article. Publisher copyright policy allows author to archive post-print (author’s final manuscript). When post-print is available or publisher policy changes, the article will be deposited.
Fisher, G. R.,
Whitfield, S. B.,
Lindle, D. W.,
Sellin, I. A.,
Perera, R. C.,
Dias, E. W.,
Levin, J. C.,
Chakraborty, H. S.,
Deshmukh, P. C.,
Manson, S. T.
Beyond the dipole approximation: angular-distribution effects in valence photoemission.
Journal of Physics B. Atomic, molecular and optical physics, 30(21),