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TY - CONF AU - Steier, C. AU - Amstutz, Ph. AU - Baptiste, K.M. AU - Bong, P.A. AU - Buice, E.S. AU - Casey, P.W. AU - Chow, K. AU - De Santis, S. AU - Donahue, R.J. AU - Ehrlichman, M.P. AU - Harkins, J.P. AU - Hellert, T. AU - Johnson, M.J. AU - Jung, J.-Y. AU - Leemann, S.C. AU - Leftwich-Vann, R.M. AU - Leitner, D. AU - Luo, T.H. AU - Omolayo, O. AU - Osborn, J.R. AU - Penn, G. AU - Portmann, G.J. AU - Robin, D. AU - Sannibale, F. AU - Sun, C. AU - Swenson, C.A. AU - Venturini, M. AU - Virostek, S.P. AU - Waldron, W.L. AU - Wallén, E.J. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Design Progress of ALS-U, the Soft X-ray Diffraction Limited Upgrade of the Advanced Light Source J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The ALS-U project to upgrade the Advanced Light Source to a multi bend achromat lattice received CD-1 approval in 2018 marking the end of its conceptual design phase. The ALS-U design promises to deliver diffraction limited performance in the soft x-ray range by lowering the horizontal emittance to about 70 pm rad resulting in two orders of magnitude brightness increase for soft x-rays compared to the current ALS. The design utilizes a nine bend achromat lattice, with reverse bending magnets and on-axis swap-out injection utilizing an accumulator ring. This paper presents recent design progress of the accelerator, as well as new results of the mature R&D program. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1639 EP - 1642 KW - emittance KW - lattice KW - cavity KW - storage-ring KW - vacuum DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-TUPGW097 UR - http://jacow.org/ipac2019/papers/tupgw097.pdf ER -