A possible approach to reduce the emittance of HLS- II storage ring using a Robinson wiggler
Jingyi Li, Gongfa Liu, Wei Xu, Weimin Li, Yongjun Li
Abstract
Jingyi Li, Gongfa Liu, Wei Xu, Weimin Li, Yongjun Li
Abstract
In this paper, we present some preliminary studies on using a Robinson wiggler to reduce the horizontal beam emittance in the Hefei Light Source II (HLS- II) storage ring. A proof-of-principle lattice demonstrates that it is possible to reduce its emittance by 50% with a 2-meter long wiggler. This encouraging result suggests a feasible option to significantly improve the machine performance at a relatively low cost.
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In this paper, we present some preliminary studies on using a Robinson wiggler to reduce the horizontal beam emittance in the Hefei Light Source II (HLS- II) storage ring. A proof-of-principle lattice demonstrates that it is possible to reduce its emittance by 50% with a 2-meter long wiggler. This encouraging result suggests a feasible option to significantly improve the machine performance at a relatively low cost.
Key concepts: Wiggler, Thermal emittance, Storage ring, Physics, Ring (chemistry), Lattice (music), Beam emittance, Optics