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Conceptual design of storage ring magnets for a diffraction limited light source upgrade of ALS, ALS-U

  • Author(s): Swenson, C;
  • Arbelaez, D;
  • Jung, JY;
  • Osborn, J;
  • Prestemon, S;
  • Wallen, E;
  • Steier, RSC;
  • Sun, C;
  • Robin, D
  • et al.
Abstract

Lawrence Berkeley National Laboratory (LBNL) has been engaged in an internal laboratory directed research and development project to define a suitable accelerator physics lattice to support the diffraction limited upgrade of the Advanced Light Source (ALS). [1] Diffraction limited lattices require strong focusing elements throughout. Magnetics design is challenging in that the high gradient magnetic structures are required to operate in close proximity. Lattice development requires a coordinated engineering design effort to ensure the lattice design feasibility. We will present a review of the results of our magnet scoping studies as well as conceptual design specifications for the ALS-U lattice dipole, quadrupole, and sextupole magnet systems.

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