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TUPCF03 | The RF BPM Pickup Electrodes Design for the APS-MBA Upgrade | 199 |
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Funding: Work supported by the U.S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357. The Advanced Photon Source (APS) is currently in the preliminary design phase for a multi-bend achromat (MBA) lattice upgrade. Beam stability is critical for the MBA and will require roughly 570 rf beam position moni-tors (BPMs) to provide the primary measurement of the electron beam trajectory through the insertion device (ID) straight sections and in the storage ring arcs. The BPM assembly features 8 mm diameter pickup electrodes that are welded to a stainless steel chamber and integrated shielded bellows both upstream and downstream of the chamber to decouple the BPM electrodes from mechani-cal motion of adjacent chambers. The design, simula-tions, and prototype test results will be presented. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2017-TUPCF03 | |
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