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Phys. Rev. ST Accel. Beams 11, 010701 (2008) [8 pages]

Identification of longitudinal coherent oscillations induced by path-length fluctuations

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Yoshihiko Shoji
Laboratory of Advanced Science and Technology for Industry (LASTI), University of Hyogo, 1-1-2 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1205, Japan

Received 8 May 2007; published 15 January 2008

This paper explains an analytical formula for longitudinal coherent oscillations in an electron storage ring, including path-length oscillations. A path-length oscillation produced by closed orbit distortion was experimentally identified in the NewSUBARU electron storage ring and found to be harmful to normal operations. Such oscillations are also a potential problem in other advanced light sources especially in a quasi-isochronous operation.

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© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.11.010701
DOI:
10.1103/PhysRevSTAB.11.010701
PACS:
29.20.−c, 29.30.Aj, 41.85.Ew, 41.85.Qg