Bulletin of the American Physical Society
APS April Meeting 2022
Volume 67, Number 6
Saturday–Tuesday, April 9–12, 2022; New York
Session H01: Lower Cost & Sustainable Accelerators
10:45 AM–12:33 PM,
Sunday, April 10, 2022
Room: Broadway North
Sponsoring Unit: DPB
Chair: Frank Zimmermann, CERN
Abstract: H01.00001 : SRF Cavity Development for Lower Cost and Sustainable Accelerators*
10:45 AM–11:21 AM
Cryocoolers are reliable, compact, closed-cycle refrigerators, less expensive and easier to operate than liquid He ones. Recent technological advances have led to cryocoolers with increasing power capacity at 4.2 K. Recent strides in SRF technology have allowed drastic reduction of SRF losses at 2 and 4 K with developments of enhanced surface processing, materials and structures more efficient than bulk Nb combined with higher thermal conduction substrates. These improvements in efficiency have driven recent work on SRF cavities conduction cooled by a cryocooler, operational in continuous wave with low power dissipation and without thermal breakdown. Such successful developments can lead to a paradigm shift in superconducting accelerator technology.
On-going SRF cavity technology developments aiming at reducing the operation cost and increasing the efficiency and sustainability of particle accelerators for science and societal needs will be reviewed.
*Authored by Jefferson Science Associates, LLC under U.S. DOE Contract No. DE-AC05-06OR23177
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