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TY - CONF AU - Hotchi, H. AU - Harada, H. AU - Kato, S. AU - Kinsho, M. AU - Okabe, K. AU - Saha, P.K. AU - Shobuda, Y. AU - Tamura, F. AU - Tani, N. AU - Watanabe, Y. AU - Yamamoto, K. AU - Yoshimoto, M. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - Recent Progress of 1-MW Beam Tuning in the J-PARC 3-GeV RCS J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - The J-PARC 3-GeV RCS started 1 MW beam test from October 2014, and successfully achieved a 1 MW beam acceleration in January 2015. Since then, a large fraction of our effort has been focused on reducing and managing beam losses. This paper presents the recent progress of 1 MW beam tuning, especially focusing on our approaches to beam loss issues, such as space-charge induced beam loss and foil scattering beam loss during charge-exchange injection, etc. PB - JACoW CP - Geneva, Switzerland SP - 592 EP - 594 KW - resonance KW - injection KW - emittance KW - scattering KW - power-supply DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-MOPOR004 UR - http://jacow.org/ipac2016/papers/mopor004.pdf ER -