Experimental study of wakefields driven by a self-modulating proton bunch in plasma

(AWAKE Collaboration), Иван Юрьевич Каргаполов

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование


We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that the wakefields' growth and amplitude increase with increasing seed amplitude as well as with the proton bunch charge in the plasma. We study transverse wakefields using the maximum radius of the proton bunch distribution measured on a screen downstream from the plasma. We study longitudinal wakefields by externally injecting electrons and measuring their final energy. Measurements agree with trends predicted by theory and numerical simulations and validate our understanding of the development of self-modulation. Experiments were performed in the context of the Advanced Wakefield Experiment (AWAKE).

Язык оригиналаанглийский
Номер статьи081302
Число страниц8
ЖурналPhysical Review Accelerators and Beams
Номер выпуска8
СостояниеОпубликовано - авг 2020

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