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Disentangling formation of multiple-core holes in aminophenol molecules exposed to bright X-FEL radiation

Title: Disentangling formation of multiple-core holes in aminophenol molecules exposed to bright X-FEL radiation
Authors: Zhaunerchyk, V
Kaminska, M
Mucke, M
Squibb, RJ
Eland, JHD
Piancastelli, MN
Frasinski, LJ
Grilj, J
Koch, M
McFarland, BK
Sistrunk, E
Guehr, M
Coffee, RN
Bostedt, C
Bozek, JD
Salen, P
Meulen, PVD
Linusson, P
Thomas, RD
Larsson, M
Foucar, L
Ullrich, J
Motomura, K
Mondal, S
Ueda, K
Richter, R
Prince, KC
Takahashi, O
Osipov, T
Fang, L
Murphy, BF
Berrah, N
Feifel, R
Item Type: Journal Article
Abstract: Competing multi-photon ionization processes, some leading to the formation of double core hole states, have been examined in 4-aminophenol. The experiments used the linac coherent light source (LCLS) x-ray free electron laser, in combination with a time-of-flight magnetic bottle electron spectrometer and the correlation analysis method of covariance mapping. The results imply that 4-aminophenol molecules exposed to the focused x-ray pulses of the LCLS sequentially absorb more than two x-ray photons, resulting in the formation of multiple core holes as well as in the sequential removal of photoelectrons and Auger electrons (so-called PAPA sequences).
Issue Date: 28-Oct-2015
Date of Acceptance: 23-Sep-2015
URI: http://hdl.handle.net/10044/1/39073
DOI: http://dx.doi.org/10.1088/0953-4075/48/24/244003
ISSN: 0953-4075
Publisher: IOP Publishing
Journal / Book Title: Journal of Physics B - Atomic Molecular and Optical Physics
Volume: 48
Issue: 24
Copyright Statement: © 2015 IOP Publishing Ltd
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: EP/F034601/1
EP/I032517/1
Keywords: Science & Technology
Physical Sciences
Optics
Physics, Atomic, Molecular & Chemical
Physics
multiple ionization processes
double core hole
covariance mapping
SPECTROSCOPY
ATOMS
IONIZATION
INTENSITY
ACCURATE
DYNAMICS
ENERGY
LASER
RAYS
General Physics
0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics
0205 Optical Physics
0307 Theoretical And Computational Chemistry
Publication Status: Published
Open Access location: http://iopscience.iop.org/article/10.1088/0953-4075/48/24/244003
Article Number: 244003
Appears in Collections:Quantum Optics and Laser Science
Physics



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