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@ARTICLE{Rouze:167681,
author = {Rouzée, A. and Johnsson, P. and Rading, L. and
Hundertmark, A. and Siu, W. and Huismans, Y. and Düsterer,
S. and Redlin, H. and Tavella, F. and Stojanovic, N. and
Al-Shemmary, A. and Lépine, F. and Holland, D. M. P. and
Schlatholter, T. and Hoekstra, R. and Fukuzawa, H. and Ueda,
K. and Vrakking, M. J. J.},
title = {{T}owards imaging of ultrafast molecular dynamics using
{FEL}s},
journal = {Journal of physics / B},
volume = {46},
number = {16},
issn = {1361-6455},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {DESY-2014-02015},
pages = {164029},
year = {2013},
note = {© IOP Publishing Ltd; Post referee fulltext in progress;
Embargo 12 months from publication},
abstract = {The dissociation dynamics induced by a 100 fs, 400 nm laser
pulse in a rotationally cold Br2 sample was characterized by
Coulomb explosion imaging (CEI) using a time-delayed extreme
ultra-violet (XUV) FEL pulse, obtained from the Free
electron LASer in Hamburg (FLASH). The momentum distribution
of atomic fragments resulting from the 400 nm-induced
dissociation was measured with a velocity map imaging
spectrometer and used to monitor the internuclear distance
as the molecule dissociated. By employing the simultaneously
recorded in-house timing electro-optical sampling data, the
time resolution of the final results could be improved to
300 fs, compared to the inherent 500 fs time-jitter of the
FEL pulse. Before dissociation, the Br2 molecules were
transiently 'fixed in space' using laser-induced alignment.
In addition, similar alignment techniques were used on CO2
molecules to allow the measurement of the photoelectron
angular distribution (PAD) directly in the molecular frame
(MF). Our results on MFPADs in aligned CO2 molecules,
together with our investigation of the dissociation dynamics
of the Br2 molecules with CEI, show that information about
the evolving molecular structure and electronic geometry can
be retrieved from such experiments, therefore paving the way
towards the study of complex non-adiabatic dynamics in
molecules through XUV time-resolved photoion and
photoelectron spectroscopy.},
cin = {FS-FL / DOOR / FS-LA},
ddc = {530},
cid = {I:(DE-H253)FS-FL-20120731 / I:(DE-H253)HAS-User-20120731 /
I:(DE-H253)FS-LA-20130416},
pnm = {FLASH Beamline BL3 (POF2-54G16)},
pid = {G:(DE-H253)POF2-BL3-20130405},
experiment = {EXP:(DE-H253)F-BL3-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000323113100030},
doi = {10.1088/0953-4075/46/16/164029},
url = {https://bib-pubdb1.desy.de/record/167681},
}