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Radiation Losses in the Induction Electron Accelerator

John P. Blewett

  • Research Laboratory, General Electric Company, Schenectady, New York

Phys. Rev. 69, 87 – Published 1 February, 1946

DOI: https://doi.org/10.1103/PhysRev.69.87

Abstract

This paper discusses the possibility that radiation losses because of the high radial accelerations experienced by the electrons in an induction electron accelerator may introduce limitations in the design of accelerators for energies above 100 million electron volts. The effects of radiation losses on the electron orbits are calculated, and it is shown that not only should the orbit shift pulse necessary to bring electrons to a target inside the equilibrium orbit fall below the value expected in the absence of radiation, but also electrons should eventually arrive at the target with no orbit shift pulse whatever, at a phase of the field wave predictable from the theory. Both effects have been observed in the General Electric 100-Mev unit in a manner consistent with the predictions of the theory. The radiation itself has not yet been detected.

References (6)

  1. Iwanenko and Pomeranchuk, Phys. Rev. 65, 343 (1944)
  2. W. F. Westendorp and E. E. Charlton, "A 100-million volt induction electron accelerator," J. App. Phys. 16, 581 (1945)
  3. L. Page and N. Adams, Electrodynamics (D. Van Nostrand and Company, New York, 1940), Chap. 7
  4. [3], p. 328
  5. Tolman, Relativity, Thermodynamics and Cosmology (Clarendon Press, Oxford, England, 1934), Section 103, p. 259
  6. J. S. Schwinger, "On Radiation by Electrons in a Betatron," to be submitted to The Physical Review

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