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TY - CONF AU - Ikeda, H. AU - Flanagan, J.W. AU - Fukuma, H. AU - Furuya, T. AU - Tobiyama, M. ED - Schaa, Volker RW TI - Beam Loss and Abort Diagnostics during SuperKEKB Phase-I Operation J2 - Proc. of IBIC2016, Barcelona, Spain, Sept. 13-18, 2016 C1 - Barcelona, Spain T2 - International Beam Instrumentation Conference T3 - 5 LA - english AB - Beam commissioning of SuperKEKB Phase-I started in Feb., 2016. In order to protect the hardware components of the accelerator against unstable Ampere class beams, the controlled beam abort system was upgraded. Because of the higher beam intensity and shorter beam lifetime than at the original KEKB, a beam abort monitor system is important for machine tuning and the safety of the components. The system collected the data of all aborts of more than 1000 in this operation period, and we diagnosed not only the hardware performance but the tuning software by analyzing the relations between beam current, loss monitor signals and RF cavity voltages. This paper will give the outline of the monitoring system, and will present typical examples of signal and diagnoses. PB - JACoW CP - Geneva, Switzerland SP - 283 EP - 286 KW - hardware KW - injection KW - kicker KW - timing KW - cavity DA - 2017/02 PY - 2017 SN - 978-3-95450-177-9 DO - 10.18429/JACoW-IBIC2016-TUAL03 UR - http://jacow.org/ibic2016/papers/tual03.pdf ER -