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@inproceedings{borland:ipac2021-mopab057, author = {M. Borland and M.S. Jaski and J. Wang}, title = {{Evaluation of Pulsed Septum Leakage Fields and Compensation for the Advanced Photon Source Upgrade}}, booktitle = {Proc. IPAC'21}, pages = {245--248}, eid = {MOPAB057}, language = {english}, keywords = {septum, emittance, simulation, power-supply, 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-MOPAB057}, url = {https://jacow.org/ipac2021/papers/mopab057.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB057}, abstract = {{The Advanced Photon Source upgrade is considering two options for injection: vertical-plane injection with a DC Lambertson septum and horizontal-plane injection with a pulsed septum. In the latter case, pulsed leakage fields are a concern as they will cause transient beam motion and emittance dilution. In this paper, we describe results of modeling the effect of such leakage fields on the beam. We also evaluate methods of compensating for the leakage fields, including the limited time response of correction elements. Several septum drive-pulse shapes are considered and compared.}}, }