Hose instability and wake generation by an intense electron beam in a self-ionized gas

被引：15

作者：

Deng, S ^{[1
]}

Barnes, CD

Clayton, CE

O'Connell, C

Decker, FJ

Fonseca, RA

Huang, C

Hogan, MJ

Iverson, R

Johnson, DK

Joshi, C

Katsouleas, T

Krejcik, P

Lu, W

Mori, WB

Muggli, P

Oz, E

Tsung, F

Walz, D

Zhou, M

机构：

[1] Univ So Calif, Los Angeles, CA 90089 USA

[2] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[3] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.96.045001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The propagation of an intense relativistic electron beam through a gas that is self-ionized by the beam's space charge and wakefields is examined analytically and with 3D particle-in-cell simulations. Instability arises from the coupling between a beam and the offset plasma channel it creates when it is perturbed. The traditional electron hose instability in a preformed plasma is replaced with this slower growth instability depending on the radius of the ionization channel compared to the electron blowout radius. A new regime for hose stable plasma wakefield acceleration is suggested.

引用

页数：4

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