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Transverse X-ray radiation from petawatt-laser-driven electron acceleration in a gas cell

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Title
Transverse X-ray radiation from petawatt-laser-driven electron acceleration in a gas cell
Author(s)
Tae Gyu Pak; Yong Joo Rhee; Mohammad Mirzaie; Calin Ioan Hojbota; Jong Ho Jeon; Sung Ha Jo; Chang Hee Nam; Mohammad Rezaei-Pandari; Jae Hee Sung; Seong Ku Lee; Ki Yong Kim
Publication Date
2023-03
Journal
Journal of the Korean Physical Society, v.82, no.5, pp.455 - 461
Publisher
한국물리학회
Abstract
We measure X-rays emitted perpendicular to the laser propagation direction in petawatt-laser-driven wakefield acceleration of electrons in a gas cell. Multi-mega-electronvolt electrons are ejected in the transverse direction by laser-driven plasma wakefields, generating bremsstrahlung X-rays when they encounter a dense medium such as a gas-cell window. The X-rays, detected and characterized by two separate filter-stack spectrometers containing a series of imaging plates, exhibit peak energy fluences at similar to 150-200 keV. The mechanism of electron acceleration in the transverse direction and subsequent bremsstrahlung X-ray generation is also examined and confirmed using particle-in-cell and Monte Carlo FLUKA simulations.
URI
https://pr.ibs.re.kr/handle/8788114/13084
DOI
10.1007/s40042-023-00730-z
ISSN
0374-4884
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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