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@inproceedings{calvey:ipac2021-mopab045,
author = {J.R. Calvey and J.C. Dooling and K.C. Harkay and K.P. Wootton and C. Yao},
title = {{Measurements and Simulations of High Charge Beam in the APS Booster}},
booktitle = {Proc. IPAC'21},
pages = {197--200},
eid = {MOPAB045},
language = {english},
keywords = {booster, injection, simulation, cavity, extraction},
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-MOPAB045},
url = {https://jacow.org/ipac2021/papers/mopab045.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB045},
abstract = {{For the APS-Upgrade, swap-out injection will require the booster to support up to 17 nC bunch charge, several times what is used in the present APS. Booster injection efficiency drops sharply at high charge, and is the present bottleneck limiting high charge transport through the injectors. Particle tracking simulations have been used to understand what causes are limiting the injection efficiency, and to guide plans for improving it. In particular, bunch length blowup in the injected beam and beam loading in the RF cavities have been identified as the biggest factors. Simulations and measurements have also been done to characterize beam properties along the booster energy ramp. So far, a bunch charge of 12 nC has been successfully extracted from the booster.}},
}