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@ARTICLE{Genthe:614384,
author = {Genthe, Erik and Czwalinna, Marie Kristin and
Lautenschlager, Bjoern and Schlarb, Holger and Hadziioannou,
Celine and Gerberding, Oliver and Isleif, Katharina-Sophie},
title = {{S}eismic {N}oise {C}ontributions to {E}u{XFEL} {B}unch
{A}rrival {T}ime {J}itter from {O}cean-{G}enerated
{M}icroseism},
journal = {High power laser science and engineering},
volume = {13},
issn = {2095-4719},
address = {Cambridge},
publisher = {Cambridge Univ. Press},
reportid = {PUBDB-2024-05851},
pages = {e52},
year = {2025},
note = {Title has changed to: Seismic Noise Contributions to EuXFEL
Bunch Arrival Time Jitter from Ocean-Generated Microseism},
abstract = {Measurements of the bunch arrival times at the European
XFEL show noise contributions in the spectral rangebetween
0.05 Hz and 0.5 Hz with peak-to-peak jitter of up to 25 fs.
Correlation with Distributed Acoustic Sensing(DAS)
measurements confirms the seismic origin. The seismic noise
in this frequency band is known to be ocean-generated
microseism. Both primary and secondary ocean-generated
microseism were identified using seismometersand a numerical
ocean wave model. Whereas secondary microseism has a strong
impact on the bunch arrival time,primary microseism has no
notable effect. Rayleigh waves cause the effect, while Love
waves have minimal impact.In the presented cases, the noise
originates from the North Atlantic and/or the North Sea. The
amplitude of the noisedepends on the local weather
conditions and is much stronger in winter. Ocean-generated
microseism is a significantbottleneck that must be addressed
to achieve femtosecond bunch arrival time stability in the
sub-Hz regime},
cin = {MSK},
ddc = {620},
cid = {I:(DE-H253)MSK-20120731},
pnm = {621 - Accelerator Research and Development (POF4-621) / DFG
project G:(GEPRIS)390833306 - EXC 2121: Quantum Universe
(390833306)},
pid = {G:(DE-HGF)POF4-621 / G:(GEPRIS)390833306},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101 /
EXP:(DE-H253)XFEL-Exp-20150101},
typ = {PUB:(DE-HGF)16},
doi = {10.1017/hpl.2025.40},
url = {https://bib-pubdb1.desy.de/record/614384},
}