Superconducting prototype cavities for the Spallation Neutron Source (SNS) project

G. Ciovati, P. Kneisel, J. Brawley, R. Bundy, I. Campisi, K. Davis, K. Macha, D. Machie, J. Mammosser, S. Morgan, R. Sundelin, L. Turlington, K. Wilson, M. Doleans, S. H. Kim, D. Mangra, D. Barni, C. Pagani, P. Pierini, K. MatsumotoR. Mitchell, D. Schrage, R. Parodi, J. Sekutowicz, P. Ylae-Oijala

Research output: Contribution to conferencePaperpeer-review

20 Scopus citations

Abstract

The Spallation Neutron Source project includes a superconducting linac section in the energy range from 186 MeV to 1000 MeV. For this energy range two types of cavities are needed with geometrical β values of β=0.61 and β=0.81. An aggressive cavity prototyping program is being pursued at Jefferson Lab, which calls for fabricating and testing four β=0.61 cavities and two β=0.81 cavities. Both types consist of six cells made from high purity niobium and feature one HOM coupler of the TESLA type on each beam pipe and a port for a high power coaxial input coupler. Three of the four β=0.61 cavities will be used for a cryomodule test at the end of 2001. Two cavities of each type have been fabricated and the first tests on both cavities exceeded the design values for gradient and Q value: Eacc = 10.1 MV/m and Q = 5×109 at 2.1 K for the β=0.61 and Eacc = 12.5 MV/m and Q = 5×109 at 2.1 K for the β=0.81.

Original languageEnglish
Pages484-486
Number of pages3
StatePublished - 2001
Event2001 Particle Accelerator Conference - Chicago, IL, United States
Duration: Jun 18 2001Jun 22 2001

Conference

Conference2001 Particle Accelerator Conference
Country/TerritoryUnited States
CityChicago, IL
Period06/18/0106/22/01

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