2020/12/18 by A.-M. Bachmann, Bachmann, A. -M., P. Muggli +2
Physics and Astronomy · Engineering · #Laser-Plasma Interactions and Diagnostics #Particle Accelerators and Free-Electron Lasers #Magnetic confinement fusion research
paper · pdf · doi:10.48550/arxiv.2012.10097
In AWAKE a self-modulated proton bunch drives wakefields in a plasma. Recent experiments successfully demonstrated many aspects of the self-modulation of the drive bunch as well as acceleration of test electrons. Next experiments will focus on producing a multi-GeV accelerated electron bunch with low emittance and low energy spread. The experiment requires a variety of advanced beam diagnostics to characterize the self-modulated proton bunch at the picosecond time scale. These include optical transition radiation and a streak camera for short and long time scale detailed imaging of self-modulation and hosing, coherent transition radiation for modulation frequency measurements in the 100-300 GHz frequency range and multiple fluorescent screens for core and halo measurements. An overview of these diagnostics will be given.