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TY - CPAPER AU - Hopper, C.S. AU - Delayen, J.R. AU - Park, H. TI - Development and Testing of a 325 MHz beta0 = 0.82 Single-Spoke Cavity J2 - Proc. of International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 AB - A single-spoke cavity operating at 325 MHz with geometric beta of 0.82 has been developed and tested. Initial results* showed high levels of field emission which limited the achievable gradient. Several rounds of helium processing significantly improved the cavity performance. Here we discuss the development process and report on the improved results. PB - JACoW CY - Geneva, Switzerland SP - 744 EP - 746 KW - cavity KW - linac KW - vacuum KW - impedance KW - cryogenics DA - 2015/12 PY - 2015 SN - 978-3-95450-178-6 DO - 10.18429/JACoW-SRF2015-TUPB071 UR - http://srf2015.vrws.de/papers/tupb071.pdf ER -