Speaker
Nathan Majernik
(SLAC National Accelerator Laboratory)
Description
Positrons and electrons can be generated by impinging a relativistic electron beam onto a solid converter, sometimes referred to as a non-neutral fireball beam. Depending on the scenario, a substantial fraction of the incoming driver bunch may still have sufficient quality to drive high gradient (~GV/m) accelerating wakefields in a dielectric structure. Here we consider the design of a dielectric loaded waveguide, positron converter, and electron driver bunch structure to realize capture and GV/m dielectric wakefield acceleration of positrons at SLAC FACET-II.
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Author
Nathan Majernik
(SLAC National Accelerator Laboratory)
Co-authors
Brendan O'Shea
(SLAC National Accelerator Laboratory)
Gerard Andonian
(University of California, Los Angeles)
James Rosenzweig
(University of California, Los Angeles)
Mark Hogan
(SLAC National Accelerator Laboratory)
Spencer Gessner
(SLAC National Accelerator Laboratory)
