Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma

AWAKE Collaboration

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

We use a relativistic ionization front to provide various initial transverse wakefield amplitudes for the self-modulation of a long proton bunch in plasma. We show experimentally that, with sufficient initial amplitude [≥(4.1±0.4) MV/m], the phase of the modulation along the bunch is reproducible from event to event, with 3%-7% (of 2π) rms variations all along the bunch. The phase is not reproducible for lower initial amplitudes. We observe the transition between these two regimes. Phase reproducibility is essential for deterministic external injection of particles to be accelerated.

Язык оригиналаанглийский
Номер статьи164802
ЖурналPhysical Review Letters
Том126
Номер выпуска16
DOI
СостояниеОпубликовано - 20 апр 2021

Предметные области OECD FOS+WOS

  • 1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ

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