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TY - CONF AU - Tobiyama, M. AU - Arinaga, M. AU - Bonvicini, G. AU - Flanagan, J.W. AU - Fukuma, H. AU - Ikeda, H. AU - Ishii, H. AU - Iwabuchi, S.H. AU - Mitsuka, G.M. AU - Mori, K. AU - Mulyani, E. AU - Tejima, M. AU - Varner, G.S. ED - Schaa, Volker RW TI - Beam Commissioning of SuperKEKB Rings at Phase-2 J2 - Proc. of IBIC2018, Shanghai, China, 09-13 September 2018 CY - Shanghai, China T2 - International Beam Instrumentation Conference T3 - 7 LA - english AB - The Phase 2 commissioning of SuperKEKB rings with Belle II detector began in Feb. 2018. Staring the commissioning of positron damping ring (DR), the injection and storage of the main rings (HER and LER) smoothly continued in Apr., 2018. The first collision has been achieved on 26th Apr. with the detuned optics (200 mm x 8 mm). Performance of beam instrumentation systems and the difficulties encountered during commissioning time will be shown. PB - JACoW Publishing CP - Geneva, Switzerland SP - 6 EP - 12 KW - operation KW - detector KW - feedback KW - MMI KW - timing DA - 2019/01 PY - 2019 SN - 978-3-95450-201-1 DO - DOI: 10.18429/JACoW-IBIC2018-MOOB01 UR - http://jacow.org/ibic2018/papers/moob01.pdf ER -