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Title: Compact disposal of high-energy electron beams using passive or laser-driven plasma decelerating stage

A plasma decelerating stage is investigated as a compact alternative for the disposal of high-energy beams (beam dumps). This could benefit the design of laser-driven plasma accelerator (LPA) applications that require transportability and or high-repetition-rate operation regimes. Passive and laser-driven (active) plasma-based beam dumps are studied analytically and with particle-in-cell (PIC) simulations in a 1D geometry. Analytical estimates for the beam energy loss are compared to and extended by the PIC simulations, showing that with the proposed schemes a beam can be efficiently decelerated in a centimeter-scale distance.
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Publication Date:
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Resource Relation:
Conference: 16th Advanced Accelerator Concepts Workshop, AAC 2014, San Jose, CA , July 13-18, 2014
Research Org:
Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
Sponsoring Org:
Accelerator & Fusion Research Division
Country of Publication:
United States
43 PARTICLE ACCELERATORS laser-plasma accelerators, beam dump, energy loss, beam deceleration