EMITTANCE CONTROL FOR VERY SHORT BUNCHES | Zendy

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EMITTANCE CONTROL FOR VERY SHORT BUNCHES

Author(s) -

K. Bane

Publication year - 2004

Publication title -

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

Language(s) - English

Resource type - Reports

DOI - 10.2172/827341

Subject(s) - thermal emittance , bunches , linear particle accelerator , physics , synchrotron , beam emittance , synchrotron radiation , particle accelerator , beam (structure) , optics , electron , nuclear physics

Many recent accelerator projects call for the production of high energy bunches of electrons or positrons that are simultaneously short, intense, and have small emittances. Examples of such projects are the Self-Amplified Spontaneous Emission (SASE) FEL’s, such as the Linac Coherent Light Source (LCLS). A major challenge is keeping in check forces that increase beam emittances in accelerator components, such as: wakefields of accelerator structures and surface roughness, and coherent synchrotron radiation. We describe such forces and discuss emittance control.

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