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@inproceedings{sun:ipac2021-mopab114,
author = {C. Sun and S. De Santis and M.P. Ehrlichman and T. Hellert and T. Oliver and G. Penn and C. Steier and M. Venturini and W.L. Waldron},
% author = {C. Sun and S. De Santis and M.P. Ehrlichman and T. Hellert and T. Oliver and G. Penn and others},
% author = {C. Sun and others},
title = {{Development of a Decoherence Kicker for the ALS Upgrade Project (ALS-U)}},
booktitle = {Proc. IPAC'21},
pages = {414--416},
eid = {MOPAB114},
language = {english},
keywords = {kicker, storage-ring, extraction, vacuum, injection},
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-MOPAB114},
url = {https://jacow.org/ipac2021/papers/mopab114.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB114},
abstract = {{The Advanced Light Source (ALS) at Lawrence Berkeley National Laboratory is upgrading the existing storage-ring lattice to a nine-bend-achromat lattice with on-axis swap-out injection. The upgraded storage ring will provide a highly focused beam of about 10 um in both horizontal and vertical directions with a single bunch train energy of about 60 J at 2.0 GeV. Such a small and intense beam could cause damage to the transfer line vacuum chambers in case of extraction element failures or damage to the storage ring vacuum chamber in case of RF failures. To mitigate these potential damages, a fast kicker magnet (so-called decoherence kicker) will be installed in the ALS-U storage ring and activated to dilute the beam charge density either on a train to be swapped out a few 100s turns before extraction or on the whole beam after RF failures. In this paper, we will present both physics and engineering designs of this decoherence kicker.}},
}