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| WEPME059 |
Conceptual Design of a Storage Ring Vacuum System Compatible with Implementation of a Seven Bend Achromat Lattice at the APS |
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- B.K. Stillwell, B. Brajuskovic, H. Cease, D.L. Fallin, J. R. Noonan, M.M. O'Neill
ANL, Argonne, Ilinois, USA
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A conceptual design is presented for a storage ring vacuum system at the Advanced Photon Source (APS) which is compatible with a multi-bend achromat (MBA) lattice under development for the APS Upgrade (APS-U) project [1]. Together, the interface with the magnets, required quantity and stability of beam position monitors, synchrotron radiation loading, and beam physics requirements place a demanding set of constraints on the vacuum system design. However, the requirements can be satisfied with a hybrid system which combines conventional extruded aluminum chambers incorporating “antechambers” with a variety of simpler tubular chambers made variously of copper-plated stainless steel, NEG-coated copper, and bare aluminum. This hybrid system has advantages over an all NEG-coated copper system with regard to overall project risk, required installation time, and maintainability.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-WEPME059
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