Acceleration of spin-polarized proton beams via two parallel laser pulses
PHYSICAL REVIEW ACCELERATORS AND BEAMS(2022)
摘要
We present a setup for highly polarized proton beams using two parallel propagating laser pulses that have a carrier envelope phase difference of pi. This mechanism is examined utilizing particle-in-cell simulations and compared to a single-pulse setup commonly used for magnetic vortex acceleration. We find that the use of the dual-pulse setup allows for peak energies of 124 MeVand good angular spread for two pulses with normalized laser vector potential a(0) = 100. Compared to a single pulse, we further observe higher polarization of the accelerated bunch.
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关键词
proton beams,laser pulses,spin-polarized
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