DESIRS beamline
ASSOCIATED PUBLICATION
Isotopically resolved photoelectron imaging
unravels complex atomic Autoionization
dynamics by two-color resonant ionization
P. O’Keeffe*, E.V. Gryzlova, D. Cubaynes,
G.A. Garcia, L. Nahon, A.N. Grum-Grzhimailo,
and M. Meyer
Physical Review Letters,
111
(2013) 243002
*CNR-IMIP, CP10, I-00016 Monterotondo
Scalo, Italy
CORRESPONDING AUTHOR
➊
Coupling of the
J
(electronic angular momentum)
and
I
(nuclear angular momentum). Precession
of
J
around
F
leads to a decrease in the alignment
of the intermediate state, and thus to a blurring
of the PADs.
➋
The raw photoelectron images for parallel linear
polarizations of both SR and optical laser light
of the photoelectrons taken in coincidence
with the non-zero and zero nuclear spin isotopes
of Xe. Copyright: American Physical Society.
➌
The panels show the
β
2
(top) and
β
4
(bottom)
parameters for Xe ions with nuclear spin
I
=0 at
different laser wavelengths across the Xe 5p
5
5d
(
J
=1) + h
ν
Laser
→
Xe 5p
5
4f (
J
=2) resonance.
The experimental data (black circles) are compared
to the theoretical results obtained using different
approximations: MCHF (solid); MCHF only with
J
=2
dominating channels (chain); single configuration
(dashed). Copyright: American Physical Society.
77
SOLEIL
HIGHLIGHTS
2013
