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@INPROCEEDINGS{Glnander:358337,
author = {Gålnander, B. and Ondreka, David and Petryk, Marc and
Spiller, Peter},
title = {{A}nalysis of losses and protection of the electrostatic
septum anode wires in {SIS}18},
address = {Geneva, Switzerland},
publisher = {JACoW Publishing},
reportid = {GSI-2025-00521},
pages = {2439 - 2442},
year = {2023},
note = {Published by JACoW Publishing under the terms of the
Creative Commons Attribution 4.0 license.},
abstract = {The synchrotron SIS18 at GSI uses resonant extraction for
slow beam extraction. Recently it was discovered that about
$50\%$ of the anode wires of the electrostatic extraction
septum were broken during beam operation. In this paper, we
present the analysis of the possible loss scenario that led
to the anode wire damage and suggest machine protection
measures to prevent future damage. The investigations
revealed the importance of having access to stored data
representing machine parameter settings and their changes as
well as signals from devices and beam instrumentation to be
able to analyse the events leading to losses. Relevant
signals include beam current, beam loss monitor signals, and
vacuum pressure. Systems for logging and archiving such data
are under development for FAIR, but are not yet routinely
available.},
month = {May},
date = {2023-05-07},
organization = {14th International Particle
Accelerator Conference, Venice (Italy),
7 May 2023 - 12 May 2023},
keywords = {Accelerator Physics (Other) / mc4-hadron-accelerators -
MC4: Hadron Accelerators (Other) /
mc4-t12-beam-injection-extraction-and-transport - MC4.T12:
Beam Injection/Extraction and Transport (Other)},
cin = {SYS},
cid = {I:(DE-Ds200)SYS-20121002OR231},
pnm = {899 - ohne Topic (POF4-899)},
pid = {G:(DE-HGF)POF4-899},
experiment = {$EXP:(DE-Ds200)no_experiment-20200803$},
typ = {PUB:(DE-HGF)8},
doi = {10.18429/JACOW-IPAC2023-TUPM098},
url = {https://repository.gsi.de/record/358337},
}