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TY - CONF AU - Vandoni, G. AU - Artoos, K. AU - Baglin, V. AU - Brodzinski, K. AU - Calaga, R. AU - Capatina, O. AU - Claudet, S.D. AU - Delprat, L.P. AU - Mehanneche, S. AU - Montesinos, E. AU - Pasquino, C. AU - Swieszek, J.S. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - An SRF Test Stand in High Intensity and High Energy Proton Beams J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - In the framework of HL-LHC, a new infrastructure was installed in 2018, to test SRF structures in the proton beams of the SPS. Scope of the test stand is to study the operational performance of crab cavities for HL-LHC – more generally, SRF cavities – through a wide range of proton beam parameters up to high energy and current, under safe conditions for equipment and personnel. The SPS beam instrumentation is used to monitor orbit centering, RF phase scans, bunch rotation. To minimize impact on beam time, infrastructure and services allow for full remote control. Critical aperture restrictions is overcome by placing the test structure and its ancillaries on a motorized table for lateral translation in- and out of beam. Two articulated Y-shaped vacuum chambers connect the test cryomodule on a beam by-pass. A new cryogenic refrigerator is installed in a split scheme, with an underground cold box fed from a surface compressor. The two Inductive Output Tubes (IOT) power amplifiers deliver up to 60 kW cw via coaxial transmission lines to the two cavities and charges and circulators, the latter installed on the translation table. Interlocks and safety equipment complete the test stand. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1187 EP - 1191 KW - cavity KW - cryogenics KW - cryomodule KW - vacuum KW - SRF DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-THP106 UR - http://jacow.org/srf2019/papers/thp106.pdf ER -