Abstract
A NEW design of synchrotron magnet has been announced recently by the bevatron group at Brookhaven1. It is stated that the novel focusing principle involved is applicable also to linear accelerators, but details are not given as to how the necessary apparatus is to be incorporated into an efficient radio-frequency accelerating structure. We wish to point out that there is only a minimum of interference with the radio-frequency system if the necessary fields are set up in the drift-tubes of a Berkeley-type accelerator2; and in particular that, if electric rather than magnetic fields are used, then a rather simple modification of the drift tubes is all that is required.
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References
Private communication to Mr. F. K. Goward of the Atomic Energy Research Establishment.
Alvarez, L. W., et al., A.E.C.U., 120. Chew, G. F., and Moyer, B. J., Amer. J. Phys., 18, 125 (1950).
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BELL, J. A New Focusing Principle applied to the Proton Linear Accelerator. Nature 171, 167–168 (1953). https://doi.org/10.1038/171167b0
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DOI: https://doi.org/10.1038/171167b0
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