期刊
PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
卷 17, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevSTAB.17.091302
关键词
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资金
- U.S. Department of Energy Office of Science [DE-AC02-06CH11357]
- National Natural Science Funds for Distinguished Young Scholar of China [10925523]
A study into the maximum acceleration gradient, E-z(max), in a collinear dielectric wakefield accelerator due to single bunch beam breakup (SBBU) is presented. The longitudinal wakefield is proportional to charge over radius squared (E-z similar to Q/a(2)) which implies small a is favorable for fixed Q. However, when the transverse wakefield (E-perpendicular to similar to Q/a(3)) is also considered then the SBBU instability severely limits the charge that can pass through a long structure as required for a large transfer of energy from the drive bunch to the witness bunch and hence limits the sustained acceleration that can be obtained.
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