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TY - CONF AU - Liu, Y. AU - Miura, A. AU - Miyao, T. AU - Otani, M. AU - Shibata, T. ED - Schaa, Volker RW TI - 60 mA Beam Study in J-PARC Linac J2 - Proc. of HB2018, Daejeon, Korea, 17-22 June 2018 C1 - Daejeon, Korea T2 - ICFA Advanced Beam Dynamics Workshop T3 - 61 LA - english AB - Upgrade of Linac peak current from 50 mA to 60 mA is one of the keys to the next power upgrade in J-PARC. Beam studies with 60 mA were carried out in July and December, 2017, for the challenging issues such as investigation of beam property from the ion source, halo behavior throughout the LEBT, RFQ and MEBT1, emittance/Twiss measurement at MEBT1, beam emittance control, etc. Expected/unexpected problems, intermediate results and preparation for the next trials were introduced in this paper. PB - JACoW Publishing CP - Geneva, Switzerland SP - 60 EP - 63 KW - DTL KW - rfq KW - linac KW - lattice KW - simulation DA - 2018/07 PY - 2018 SN - 978-3-95450-202-8 DO - 10.18429/JACoW-HB2018-MOP2WB01 UR - http://jacow.org/hb2018/papers/mop2wb01.pdf ER -