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Reduction of the beam emittance in the charged-particle storage rings with the help of periodic magnetic wigglers

  • Electrophysics, Electron and Ion Beams, Physics of Accelerators
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Abstract

Periodic magnetic structures (wigglers) have been successfully used for a long time for controlling beam parameters in charged-particle storage rings for various purposes (including the reduction of emittance). In this work, we optimize the optical functions of the storage ring gap into which a wiggler is installed for a more effective reduction of the emittance. Optimal solutions are obtained for the first time for FODOtype and theoretical minimum emittance (TME) structures. An original method is proposed for suppressing the contribution of the wiggler fields to the radiation excitation of the phase volume of the beam by modulating the field period along the wiggler axis.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, ul. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia

    A. V. Bogomyagkov, K. Yu. Karyukina & E. B. Levichev

Authors
  1. A. V. Bogomyagkov
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  2. K. Yu. Karyukina
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  3. E. B. Levichev
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Corresponding author

Correspondence to A. V. Bogomyagkov.

Additional information

Original Russian Text © A.V. Bogomyagkov, K.Yu. Karyukina, E.B. Levichev, 2016, published in Zhurnal Tekhnicheskoi Fiziki, 2016, Vol. 61, No. 1, pp. 121–126.

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Bogomyagkov, A.V., Karyukina, K.Y. & Levichev, E.B. Reduction of the beam emittance in the charged-particle storage rings with the help of periodic magnetic wigglers. Tech. Phys. 61, 119–124 (2016). https://doi.org/10.1134/S1063784216010060

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  • DOI: https://doi.org/10.1134/S1063784216010060

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