Speaker
Guimei Wang
(Brookhaven National Laboratory)
Description
The demands of a higher-brightness photon beam push the electron beam emittance of storage rings toward a diffraction-limited level. The complex bend lattice offers a new approach to achieve low beam emittance. To pave the way for a full lattice upgrade, NSLS-II is planning to replace two existing dipoles with complex bends as a feasibility demonstration. This paper presents the design of the NSLS-II lattice with high-gradient complex bend replacement. Nonlinear beam dynamics are optimized to provide sufficient dynamic and momentum apertures for off-axis injection and reliable operation. In addition, the robustness of the optimized lattice to realistic errors is also evaluated.
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Author
Minghao Song
(Brookhaven National Laboratory)
Co-authors
Guimei Wang
(Brookhaven National Laboratory)
Bernard Kosciuk
(Brookhaven National Laboratory)
Timur Shaftan
(Brookhaven National Laboratory)
Yoshiteru Hidaka
(Brookhaven National Laboratory)