Niobium Quarter-Wave Resonator Development for The Rare Isotope Accelerator

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dc.creatorHartung, W.
dc.creatorBierwagen, J.
dc.creatorBricker, S.
dc.creatorColthorp, J.
dc.creatorCompton, C.
dc.creatorGrimm, T.
dc.creatorHitchcock, S.
dc.creatorMarti, F.
dc.creatorSaxton, L.
dc.creatorYork, R. C.
dc.creatorFacco, A.
dc.creatorZviagintsev, V.
dc.date2004-12-04
dc.date.accessioned2026-07-07T05:53:38Z
dc.date.available2026-07-07T05:53:38Z
dc.descriptionTwo superconducting quarter-wave resonator (QWR) prototypes have been fabricated and tested. They operate at 80.5 MHz and 161 MHz and are optimised for beta = 0.085 and beta = 0.16, respectively. The prototypes are simplified versions without integrated helium vessels. In the first RF tests, the beta = 0.085 QWR reached a peak surface electric field (Ep) in excess of 30 MV/m, with an intrinsic quality factor (Q0) in excess of 1E9 at the design field of Ep = 20 MV/m. The beta = 0.16 QWR reached Ep = 20 MV/m with Q0 = 2.5E9. It is suspected that the performance of the latter cavity can be improved via better cooling of the Nb tuning plate and a better RF contact between the plate and the outer conductor.
dc.description4 pages, 6 figures, LaTeX, to be published in the proceedings of the Eleventh Workshop on RF Superconductivity
dc.identifierhttps://arxiv.org/abs/physics/0412031
dc.identifierhttp://arxiv.org/abs/physics/0412031
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/86714
dc.subjectAccelerator Physics
dc.titleNiobium Quarter-Wave Resonator Development for The Rare Isotope Accelerator
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