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Lookup NU author(s): Carol Dawson,
Dr Slobodan Cvejanovic,
Dr Dominic Paul Seccombe,
Dr Timothy Reddish,
Dr Fritz Maulbetsch
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(γ, 2e) triple differential cross sections are presented for helium at 60 eV above the photodouble ionization threshold with energy-sharing ratios (R = E2/E1) for the two ejected electrons of R = 1, 5 and 11. The measurements were taken using a toroidal spectrometer and linearly polarized light from an undulator beamline (SU6) at the Super-ACO storage ring. Good agreement is found with TDCSs obtained by the CCC method and by the length gauge of 3C theory.
Author(s): Dawson C, Cvejanovic S, Seccombe DP, Reddish TJ, Maulbetsch F, Huetz A, Mazeau J, Kheifets AS
Publication type: Letter
Publication status: Published
Journal: Journal of Physics B: Atomic, Molecular and Optical Physics
ISSN (print): 0953-4075
ISSN (electronic): 1361-6455