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TY - CONF AU - Freemire, B.T. AU - Bowring, D.L. AU - Kochemirovskiy, A.V. AU - Moretti, A. AU - Peterson, D.W. AU - Tollestrup, A.V. AU - Torun, Y. AU - Yonehara, K. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - Beam Test of a Dielectric Loaded High Pressure RF Cavity for Use in Muon Cooling Channels J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - Bright muon sources require six dimensional cooling to achieve acceptable luminosities. Ionization cooling is the only known method able to do so within the muon lifetime. One proposed cooling channel, the Helical Cooling Channel, utilizes gas filled radio frequency cavities to both mitigate RF breakdown in the presence of strong, external magnetic fields, and provide the cooling medium. Engineering constraints on the diameter of the magnets within which these cavities operate dictate the radius of the cavities be decreased at their nominal operating frequency. To accomplish this, one may load the cavities with a larger dielectric material. A 99.5% alumina ring was inserted in a high pressure RF test cell and subjected to an intense proton beam at the MuCool Test Area at Fermilab. The results of the performance of this dielectric loaded high pressure RF cavity will be presented. PB - JACoW CP - Geneva, Switzerland SP - 463 EP - 465 KW - cavity KW - ion KW - electron KW - plasma KW - accelerating-gradient DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-MOPMW031 UR - http://jacow.org/ipac2016/papers/mopmw031.pdf ER -