Speaker
Victor Smaluk
(Brookhaven National Laboratory)
Description
The most updated complex bend achromat lattice for the high-brightness upgrade of NSLSII provides a record-low electron beam emittance of 23 pm at 3 GeV. However, collective effects of beam dynamics, especially intra-beam scattering, are the main limiting factors of emittance and brightness at operational beam Intensity. Since the emittance and collective effects are strongly dependent on the beam energy, we estimated the lowest possible emittance scaled with energy and intensity, taking into account intrabeam scattering, vacuum chamber impedance, and bunch lengthening by higher-harmonic RF cavities.
Funding Agency
United States Department of Energy
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Author
Victor Smaluk
(Brookhaven National Laboratory)