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@inproceedings{hoeydalsvik:ipac2021-thpab001,
author = {E.J. Høydalsvik and T.H.B. Persson},
title = {{Reaching the Sub Per Mil Level Coupling Corrections in the LHC}},
booktitle = {Proc. IPAC'21},
pages = {3752--3755},
eid = {THPAB001},
language = {english},
keywords = {coupling, quadrupole, simulation, dipole, 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-THPAB001},
url = {https://jacow.org/ipac2021/papers/thpab001.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB001},
abstract = {{The High Luminosity LHC (HL-LHC) is requiring sub per mil coupling correction, as defined by the closest tune approach. In this article, the current coupling correction strategy is analyzed in order to understand if it can robustly correct to these very low levels. The impact of realistic errors on the coupling correction is investigated with MAD-X simulations, including the influence of local coupling on the global coupling correction. Through simulations and measurements in the LHC, the effect of BPM noise on the coupling correction is analyzed.}},
}