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@inproceedings{tajima:ipac2021-tupab398,
author = {T. Tajima and J.E. Bernal and D.A. Byers and J.P. Chamberlin and P. Pizzol and A. Poudel and K.A. Stephens},
% author = {T. Tajima and J.E. Bernal and D.A. Byers and J.P. Chamberlin and P. Pizzol and A. Poudel and others},
% author = {T. Tajima and others},
title = {{Vacuum Issues with Argon Gas in the LANSCE Accelerator}},
booktitle = {Proc. IPAC'21},
pages = {2450--2452},
eid = {TUPAB398},
language = {english},
keywords = {vacuum, neutron, linac, monitoring, operation},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-TUPAB398},
url = {https://jacow.org/ipac2021/papers/tupab398.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB398},
abstract = {{In the Los Alamos Neutron Science Center (LANSCE) accelerator, there are about 220 500-L/s ion pumps running all the time. The oldest pumps recorded in the current system were installed in 1983. All the ion pumps are diode type ion pumps. In 2017, we started to suffer from ion pumps trips in an accelerator module 15 (M15) that includes 3 500-L/s ion pumps and they caused beam down times of the accelerator during the production run cycles. This paper reports the details of these trips, how we found it was argon gas that was causing the trips and how we tried to reduce it.}},
}