Keyword: focusing
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TUP009 The Effect of Transverse Space Charge on Beam Evolution and Photon Coherence ion, electron, emittance, space-charge 266
  • Q.R. Marksteiner
    LANL, Los Alamos, New Mexico, USA
  An electron beam experiences a transverse electric field which tends to act like a defocusing force on the electron beam. This defocusing force will act with different strengths at different locations in the electron beam because the current varies along the beam. A simple, quasi-analytic method is presented to calculate the impact of this force on beam projected emittance. In addition, estimates are made regarding the degree to which this could degrade the transverse coherence of x-rays in an XFEL.  
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