科技报告详细信息
Chromaticity of the lattice and beam stability in energy-recovery linacs
Litvinenko, V.N.
Brookhaven National Laboratory
关键词: Photons;    Cavities;    Storage Rings;    43 Particle Accelerators;    Energy Recovery;   
DOI  :  10.2172/1039648
RP-ID  :  BNL--96817-2011-IR
RP-ID  :  DE-AC02-98CH10886
RP-ID  :  1039648
美国|英语
来源: UNT Digital Library
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【 摘 要 】

Energy recovery linacs (ERLs) are an emerging generation of accelerators promising to revolutionize the fields of high-energy physics and photon sciences. These accelerators combine the advantages of linear accelerators with that of storage rings, and hold the promise of delivering electron beams of unprecedented power and quality. Use of superconducting radio-frequency (SRF) cavities converts ERLs into nearly perfect 'perpetuum mobile' accelerators, wherein the beam is accelerated to a desirable energy, used, and then gives the energy back to the RF field. One potential weakness of these devices is transverse beam break-up instability that could severely limit the available beam current. In this paper, I present a method of suppressing these dangerous effects using a natural phenomenon in the accelerators, viz., the chromaticity of the transverse motion.

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