RADIATION REACTION IN A CONTINUOUS FOCUSING CHANNEL

被引:27
作者
HUANG, Z
CHEN, P
RUTH, RD
机构
[1] Stanford Linear Accelerator Center, Stanford University, Stanford
关键词
D O I
10.1103/PhysRevLett.74.1759
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We show that the radiation damping rate of the transverse action of a particle in a straight, continuous focusing system is independent of the particle energy, and that no quantum excitation is induced. This absolute damping effect leads to the existence of a transverse ground state to which the particle inevitably decays and yields the minimum beam emittance that one can ever attain, min=/2mc, limited only by the uncertainty principle. Because of adiabatic invariance, the particle can be accelerated along the focusing channel in its ground state without any radiation energy loss. © 1995 The American Physical Society.
引用
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页码:1759 / 1762
页数:4
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