Keyword: ion-source
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MOP05 Reduction of the Beam Jitter at the PIP2IT Test Accelerator MEBT, LEBT, ECR, high-voltage 35
  • A.V. Shemyakin, G.W. Saewert, A. Saini
    Fermilab, Batavia, Illinois, USA
  Funding: This manuscript has been authored by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics.
Analysis of the beam position monitor (BPM) signals at the H test linear accelerator PIP2IT showed that a large portion of the signals scatter comes from the beam jitter. BPM position measurements of the jitter modes were compared with beam motion responses to perturbations excited by driving various beamline parameters in a low frequency sinusoidal manner. The main contributor to the jitter was found to be a low frequency noise in the input reference to the ion source high voltage (HV) power supply. Filtering the HV power supply reference signal decreased the rms scatter in BPM readings by a factor of 2-3.
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About • Received ※ 30 September 2021 — Revised ※ 19 October 2021 — Accepted ※ 04 March 2022 — Issue date ※ 11 April 2022
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