Wakefield generation by a relativistic ring beam in a coaxial two-channel dielectric loaded structure

被引：11

作者：

Liu, Wanming ^{[1
]}

Gai, Wei ^{[1
]}

机构：

[1] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2009年 / 12卷 / 05期

关键词：

D O I：

10.1103/PhysRevSTAB.12.051301

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

In this paper, we give a complete analytical solution for wakefields generated by an azimuthally symmetric ring beam propagating in a coaxial two-channel dielectric structure. This wakefield can be used to accelerate a witness beam in the central channel. The ratio of the peak accelerating field in the center channel to the decelerating field in the ring channel (defined as transformer ratio R) is also derived. We find that, by appropriate choice of parameters, R can be much greater than 2, the limiting value for collinear wakefield accelerators.

引用

页数：6

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