Experimental Observation of Suppression of Coherent-Synchrotron-Radiation–Induced Beam-Energy Spread with Shielding Plates

V. Yakimenko, M. Fedurin, V. Litvinenko, A. Fedotov, D. Kayran, and P. Muggli
Phys. Rev. Lett. 109, 164802 – Published 18 October 2012

Abstract

We describe the first direct observation of the significant suppression of the energy spread induced by coherent synchrotron radiation by a pair of conductive plates placed inside a dipole magnet. In addition to various feedback loops improving the energy stability of the beam parameters, our key innovation for this experiment is the observation of the time-resolved energy variation within the electron bunch, instead of the traditionally measured rms energy spread. We present the results of the experiments and compare them with a rigorous analytical theory.

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  • Received 1 July 2012

DOI:https://doi.org/10.1103/PhysRevLett.109.164802

© 2012 American Physical Society

Authors & Affiliations

V. Yakimenko1, M. Fedurin1, V. Litvinenko1,2, A. Fedotov1, D. Kayran1, and P. Muggli3

  • 1Brookhaven National Laboratory, 820, Upton, New York 11973, USA
  • 2Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11974, USA
  • 3Max-Planck-Institut für Physik, Föhringer Ring 6, 80805 München, Germany

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Issue

Vol. 109, Iss. 16 — 19 October 2012

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