Preparation and RF tests of L-band superconducting niobium-coated copper cavities

Authors
Bosland, P Aspart, A Jacques, E Ribeaudeau, M
Citation
P. Bosland et al., Preparation and RF tests of L-band superconducting niobium-coated copper cavities, IEEE APPL S, 9(2), 1999, pp. 896-899
Citations number
13
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN journal
10518223 → ACNP
Volume
9
Issue
2
Year of publication
1999
Part
1
Pages
896 - 899
Database
ISI
SICI code
1051-8223(199906)9:2<896:PARTOL>2.0.ZU;2-V
Abstract
The development of niobium sputter coated copper cavities is in progress fo r high gradient applications. Single cell 1.5 GHz cavities have been prepar ed and tested at CEA Saclay, Performances better than the CEBAF and TTF spe cifications have been reached: Q(o)=1.7 10(10) at low field, and E-acc=25 M V/m with Q(o)=1.5 10(9) limited by the power supply. The high pressure rins ing performed at 30 and 85 bars suppressed field emission without stripping off the coating from the copper surface.