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Hosing of a Long Relativistic Particle Bunch in Plasma

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • AWAKE Collaboration
Article number075001
<mark>Journal publication date</mark>16/02/2024
<mark>Journal</mark>Physical review letters
Issue number7
Publication StatusPublished
<mark>Original language</mark>English


Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing develops in the plane of misalignment, self-modulation in the perpendicular plane, at frequencies close to the plasma electron frequency, and are reproducible. Development of hosing depends on misalignment direction, its growth on misalignment extent and on proton bunch charge. Results have the main characteristics of a theoretical model, are relevant to other plasma-based accelerators and represent the first characterization of hosing.