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AbstractAbstract
[en] The slice transverse emittance of an electron beam is of critical significance for an x-ray FEL. In a photocathode RF gun, the slice transverse emittance is not only determined by the emission process, but also influenced strongly by the non-linear space charge effect. In this paper, we study the slice transverse emittance evolution in a photocathode RF gun using a simple model that includes effects of RF acceleration, focusing, and space charge force. The results are compared with IMPACT-T space charge simulations and may be used to understand the development of the slice emittance in an RF gun
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17 Oct 2007; vp; International Workshop on Frontiers in FEL Physics and Related Topics; Isola d'Elba (Italy); 8-14 Sep 2007; AC02-76SF00515; Available from http://www.slac.stanford.edu/cgi-wrap/getdoc/slac-pub-12868.pdf; PURL: https://www.osti.gov/servlets/purl/918005-9myD8c/; Nuclear Instrumentation and Methods (NIM) A
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