Speaker
Jan Mezger
(Max Planck Institute for Physics)
Description
AWAKE uses a long relativistic proton bunch to drive wakefields in plasma.
The amplitude of the wakefields increases along the plasma as the bunch undergoes self-modulation (SM).
Wakefields are energy deposited in the plasma that must dissipate, a fraction of which is emitted as light.
Light diagnostics measuring the amount of light emitted can be used to study the development of the wakefield amplitude along the plasma.
A finite radius plasma column may influence wakefields, their energy balance and possibly the self-modulation process.
To study these effects, the evolving plasma column radius has to be measured.
Here we report on the use of light diagnostics in the absence of wakefields for this purpose.
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Author
Jan Mezger
(Max Planck Institute for Physics)
Co-authors
Dr
Gabor Demeter
(HUN-REN Wigner Research Centre for Physics)
Lucas Ranc
(Max Planck Institute for Physics)
Michele Bergamaschi
(European Organization for Nuclear Research)
Patric Muggli
(Max Planck Institute for Physics, European Organization for Nuclear Research)