Nonlinear effects of phase modulation in an electron storage ring | Zendy

J. Byrd | Zendy; WenHao Cheng | Zendy; F. Zimmermann | Zendy

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Nonlinear effects of phase modulation in an electron storage ring

Author(s) -

J. Byrd,

WenHao Cheng,

F. Zimmermann

Publication year - 1998

Publication title -

physical review. e, statistical physics, plasmas, fluids, and related interdisciplinary topics

Language(s) - English

Resource type - Journals

eISSN - 1095-3787

pISSN - 1063-651X

DOI - 10.1103/physreve.57.4706

Subject(s) - storage ring , physics , electron , modulation (music) , synchrotron radiation , diffusion , atomic physics , nonlinear system , phase (matter) , synchrotron , cathode ray , scattering , optics , beam (structure) , nuclear physics , quantum mechanics , acoustics

We present results of experimental studies of the nonlinear dynamics of syn- chrotron oscillations in the presence of phase modulation in an electron stor- _- age ring. A streak camera is used to directly observe the longitudinal dis- tribution of an electron bunch as it forms two stable resonant islands. The positions of the fixed points as a function of modulation frequency agree well with theory. We also present rneasurernents of the diffusion rate from one stable island to the other for a fixed modulation frequency which show agree- rnent with the diffusion rates expected from large-angle intrabcam (Touschek) scattering. These results can explain anornalous features in bearn-transfer function diagnostic mcasurernents at other electron storage rings.

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