Spiral2 cryomodules: status and first tests results
msra(2009)
Abstract
The SPIRAL2 superconducting linac will be composed of 19 cryomodules of two different types: 12 low-beta cryomodules (so called A) housing a single Quarter-Wave Resonator (QWR) each (beta 0.07, 88 MHz) followed by 7 high-beta cryomodules (so called B), housing a couple of QWRs each (beta 0.12, 88 MHz). A prototype of each cryomodule type (called qualifying cryomodule) has been constructed by the industry and successfully tested at 4.5 K and high power (Pmax=10 kW) in 2009. The results of these qualification tests will be presented as well as the status on cryostats, cavities and RF couplers production.
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