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TY - CONF AU - Xie, Y. AU - Kanareykin, A. AU - Khabiboulline, T.N. AU - Lunin, A. AU - Poloubotko, V. AU - Rathke, J. AU - Rowe, A.M. AU - Solyak, N. AU - Yakovlev, V.P. ED - Henderson, Stuart ED - Akers, Evelyn ED - Satogata, Todd ED - Schaa, Volker R.W. TI - Demonstration of Coaxial Coupling Scheme at 26 MV/m for 1.3 GHz TESLA-type SRF Cavities J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015 C1 - Richmond, VA, USA T2 - International Particle Accelerator Conference T3 - 6 LA - english AB - We will report the first successful rf test of a detachable coaxial coupler by Euclid Techlabs and Fermilab SRF development department. The coaxial coupling method has vast advantages compared with ordinary welded-on couplers. It totally eliminates coupler kicks and it is detachable and easy to clean. We reached 26 MV/m (no hard quench limit) with a quarter-wave detachable coaxial coupler. This is also a demonstration of the highest field gradient ever reached with a superconducting joint. PB - JACoW CP - Geneva, Switzerland SP - 3594 EP - 3596 KW - cavity KW - coupling KW - niobium KW - SRF KW - acceleration DA - 2015/06 PY - 2015 SN - 978-3-95450-168-7 DO - 10.18429/JACoW-IPAC2015-WEPWI046 UR - http://jacow.org/ipac2015/papers/wepwi046.pdf ER -