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TY - CONF AU - Yamamoto, M. AU - Furusawa, M. AU - Hara, K. AU - Hasegawa, K. AU - Nomura, M. AU - Ohmori, C. AU - Shimada, T. AU - Sugiyama, Y. AU - Tamura, F. AU - Yoshii, M. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Conceptual Design of a Single-Ended MA Cavity for J-PARC RCS Upgrade J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - The J-PARC RCS employes Magnetic Alloy (MA) loaded cavities and rf power is fed by vacuum tubes in push-pull operation. The multi-harmonic rf driving and the multi-harmonic beam loading compensation are realized due to the broadband characteristics of the MA. However, the push-pull operation has disadvantages in the multi-harmonics. An unbalance of the anode voltage swing remarkably appears at very high intensity beam acceleration. In order to avoid the unbalance, a single-ended MA cavity is considered for the RCS beam power upgrade because no unbalance arises intrinsically. We will describe the conceptual design of the single-end MA cavity for the RCS upgrade. PB - JACoW Publishing CP - Geneva, Switzerland SP - 987 EP - 989 KW - cavity KW - acceleration KW - operation KW - vacuum KW - power-supply DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-TUPAK012 UR - http://jacow.org/ipac2018/papers/tupak012.pdf ER -