Experimental study of a 322 MHz v/c=0.28 niobium spoke cavity

Grimm, Terry; Bierwagen, J.; Bricker, S.; Compton, Chris; Hartung, W.; Marti, F.; York, R. C.

doi:10.1109/pac.2003.1289703

Cited by 3 publications

(2 citation statements)

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“…The β = 0.285 half-wave resonator (HWR) was fabricated and tested in a Dewar [5] prior to installation in the test cryomodule. Most of the fabrication work for the HWR was done at NSCL.…”

Section: Half-wave Resonatormentioning

confidence: 99%

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RIA Superconducting Drift Tube Linac R & D

Popielarski¹,

Bierwagen²,

Bricker³

et al. 2009

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Cavity and cryomodule development work for a superconducting ion linac has been underway for several years at the National Superconducting Cyclotron Laboratory. The original application of the work was the proposed Rare Isotope Accelerator. At present, the work is being continued for use with the Facility for Rare Isotope Beams (FRIB). The baseline linac for FRIB requires 4 types of superconducting cavities to cover the velocity range needed to accelerate an ion beam to ≥ 200 MeV/u: 2 types of quarterwave resonator (QWR) and 2 types of half-wave resonator (HWR). Superconducting solenoids are used for focussing. Active and passive shielding is required to ensure that the solenoids' field does not degrade the cavity performance. First prototypes of both QWR types and one HWR type have been fabricated and tested. A prototype solenoid has been procured and tested. A test cryomodule has been fabricated and tested. The test cryomodule contains one QWR, one HWR, one solenoid, and one super-ferric quadrupole. This report covers the design, fabrication, and testing of this cryomodule.

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“…The β = 0.285 half-wave resonator (HWR) was fabricated and tested in a Dewar [5] prior to installation in the test cryomodule. Most of the fabrication work for the HWR was done at NSCL.…”

Section: Half-wave Resonatormentioning

confidence: 99%

“…The test cryomodule contains one β = 0.085 QWR [4], one β = 0.285 HWR [5], one superconducting solenoid with a dipole steering coil, and one super-ferric quadrupole [6]. The QWR and HWR are both "first generation" prototypes without any stiffening elements.…”

Section: Introductionmentioning

confidence: 99%