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research article
Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma
July 6, 2022
A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self -modulation (SM) instability. We show that SM of a proton bunch can be seeded by the wakefields driven by a preceding electron bunch. SM timing reproducibility and control are at the level of a small fraction of the modulation period. With this seeding method, we independently control the amplitude of the seed wakefields with the charge of the electron bunch and the growth rate of SM with the charge of the proton bunch. Seeding leads to larger growth of the wakefields than in the instability case.
Type
research article
Web of Science ID
WOS:000827648000003
Authors
Verra, L.
•
Della Porta, G. Zevi
•
Pucek, J.
•
Nechaeva, T.
•
Wyler, S.
•
Bergamaschi, M.
•
Senes, E.
•
Guran, E.
•
Moody, J. T.
•
Kedves, M. A.
Publication date
2022-07-06
Published in
Volume
25
Issue
7
Article Number
024802
Peer reviewed
REVIEWED
Available on Infoscience
August 1, 2022
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