University of Nevada, Las Vegas. Department of Mechanical Engineering.
Las Vegas (Nev.)
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One of the key technologies for the deployment of accelerator driven transmutation systems is the accelerator itself. Elliptical superconducting niobium cavities are used to increase the efficiency of the high-power accelerators needed to support the transmutation mission.
One of the major sources of energy loss from a superconducting accelerator cavity is a process known as multiple impacting (or “multipacting”) of electrons. This phenomenon limits the maximum amount of energy and power that the niobium cavity can store. As a result, the maximum power available for accelerating the desired charge, as well as the overall performance of the accelerator is reduced. Furthermore, the energy absorbed as a result of multipacting eventually turns into heat. This negatively impacts the performance of both the superconducting cavity and the accelerator.
Elliptical cells; Holes; Linear accelerators; Niobium cavities; Niobium – Surfaces; Radio frequency; Resonant radio frequency; Surface preparation; Surfaces (Technology); Superconducting radio frequency; Superconductivity
Linear accelerators; Radio frequency; Superconductivity
Electrical and Computer Engineering | Mechanical Engineering | Metallurgy | Nuclear Engineering
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Schill, R. A.,
Modeling, Fabrication, and Optimization of Niobium Cavities.
Available at: https://digitalscholarship.unlv.edu/hrc_trp_sciences_materials/20