Useful formulas for non-magnetized electron cooling
Sergei Seletskiy, Alexei Fedotov
TL;DR
This paper revisits and derives useful formulas for the friction force in non-magnetized electron cooling, facilitating the development of high-energy electron coolers with complex velocity distributions.
Contribution
It provides new analytical expressions for the friction force in non-magnetized electron cooling under various limiting conditions.
Findings
Derived formulas for friction force in non-magnetized cooling
Analyzed effects of unequal velocity spreads in electron bunches
Enhanced understanding for designing high-energy electron coolers
Abstract
Recent success of Low Energy RHIC Electron Cooler (LEReC) opened a road for development of high energy electron coolers based on non-magnetized electron bunches accelerated by RF cavities. Electrons in such coolers can have velocity distribution with various unequal horizontal, vertical and longitudinal velocity spreads. In this paper we revisit a formula of friction force in non-magnetized cooling and derive a number of useful expressions for different limiting cases.
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Taxonomy
TopicsParticle Accelerators and Free-Electron Lasers · Particle accelerators and beam dynamics · Superconducting Materials and Applications