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Electron-beam quality degradation in a long undulator

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
296
Identifiers
DOI: 10.1016/0168-9002(90)91263-b

Abstract

Abstract Under the influence of space charge or longitudinal wake fields, transporting an electron beam through a long undulator can cause a degradation of beam quality. Using the PARMELA code, including longitudinal wake-field and space-charge contributions, we simulate a beam bunch that travels through the undulator. The electron beam is focused in both planes with the parabolic pole faces of the undulator. The effect of space charge on the beam envelope is also calculated using the K-V (Kapchinskij-Vladimirskij) envelope equation.

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