Keyword: heavy-ion
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MOPA80 Design Study for Non-Intercepting Gas-Sheet Profile Monitor at FRIB photon, detector, electron, simulation 229
  • A. Lokey, S.M. Lidia
    FRIB, East Lansing, Michigan, USA
  Funding: Work supported by the US Department of Energy, Office of Science, High Energy Physics under Cooperative Agreement award number DE-SC0018362 and Michigan State University.
Non-invasive profile monitors offer a significant advantage for continuous, online monitoring of transverse beam profile and tuning of beam parameters during operation. This is due to both the non-destructive nature of the measurement and the unique feature that some monitors have of being able to determine both transverse profiles in one measurement [1]. One method of interest for making this measurement is the use of a thin gas curtain, which intercepts the beam and generates both ions and photons, which can be collected at a detector situated perpendicular to the gas sheet. This study will investigate the requirements for developing such a measurement device for use at the Facility for Rare Isotope Beams (FRIB), which produces high-intensity, multi charge state, heavy ion beams. Included will be an initial design specifications and an analysis of alternatives between ionization and beam-induced fluorescence measurement techniques for acquiring signal from the gas sheet.
[1] I. Yamada, M. Wada, K. Moriya, et al, "High-intensity beam profile measurement using a gas sheet monitor by beam induced fluorescence detection," Phys. Rev. Accel. Beams 24, 042801, 2021.
DOI • reference for this paper ※ doi:10.18429/JACoW-NAPAC2022-MOPA80  
About • Received ※ 03 August 2022 — Revised ※ 06 August 2022 — Accepted ※ 06 September 2022 — Issue date ※ 07 October 2022
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