Trapping of charged and dust particles in the rf field of a superconducting cavity
Alexander Novokhatski, Sam Heifets
DOI 10.1103/PhysRevAccelBeams.21.082003 · Physical Review Accelerators and Beams
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Abstract
We suggest an explanation of the observations of the glowing filaments in a superconducting cavity. We show that the motion of a charged particle in a multicell rf cavity and of a dust particle in a single-cell rf cavity can be stable. The analysis of stability is illustrated by numerical calculations. This effect may also explain the possible failure of high gradient tests of superconducting cavities, which are planned to be used in the linear accelerators for XFEL.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 9.2 | Pressure not reported | unknown |
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