• Open Access

Schottky signal modification as a diagnostic tool for coherent electron cooling

W. F. Bergan, M. Blaskiewicz, and G. Stupakov
Phys. Rev. Accel. Beams 25, 094401 – Published 12 September 2022

Abstract

Coherent electron cooling is a promising technique to cool high-intensity hadron bunches by imprinting the noise in the hadron beam on a beam of electrons, amplifying the electron density modulations, and using them to apply cooling kicks to the hadrons. The typical size for these perturbations can be on the μm scale, allowing us to extend the reach of classical stochastic cooling by several orders of magnitude. However, it is crucial to ensure that the electron and hadron beams are longitudinally aligned within this same μm scale. In order to provide fast feedback for this process, we discuss the extension of signal suppression to coherent electron cooling and show in both theory and simulation that certain components of the spectral noise in the hadron beam will be predictably modified at the several percent levels, which may be detected by observations of the radiation of the hadron beam.

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  • Received 6 May 2022
  • Accepted 25 August 2022

DOI:https://doi.org/10.1103/PhysRevAccelBeams.25.094401

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Accelerators & Beams

Authors & Affiliations

W. F. Bergan* and M. Blaskiewicz

  • Brookhaven National Laboratory, Upton, New York 11973, USA

G. Stupakov

  • SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA

  • *wbergan@bnl.gov

Article Text

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Issue

Vol. 25, Iss. 9 — September 2022

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