Beam-Ion Instability in PEP-II | Zendy

S. Heifets | Zendy; A. Kulikov | Zendy; Min-Huey Wang | Zendy; U. Wienands | Zendy

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Beam-Ion Instability in PEP-II

Author(s) -

S. Heifets,

A. Kulikov,

Min-Huey Wang,

U. Wienands

Publication year - 2007

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/919416

Subject(s) - instability , ion , physics , atomic physics , luminosity , two stream instability , beam (structure) , ion beam , astrophysics , optics , mechanics , quantum mechanics , galaxy

The instability in the PEP-II electron ring has been observed while reducing the clearing gap in the bunch train. We study the ion effects in the ring summarizing existing theories of the beam-ion interaction, comparing them with observations, and estimating effect on luminosity in the saturation regime. Considering the gap instability we suggest that the instability is triggered by the beam-ion instability, and discuss other mechanisms pertinent to the instability

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