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TY - CONF AU - Bellodi, G. ED - Schaa, Volker RW TI - Linac4 Commissioning Status and Challenges to Nominal Operation J2 - Proc. of HB2018, Daejeon, Korea, 17-22 June 2018 C1 - Daejeon, Korea T2 - ICFA Advanced Beam Dynamics Workshop T3 - 61 LA - english AB - Linac4 will be connected to the Proton Synchrotron Booster (PSB) during the next long LHC shutdown in 2019 and it will operationally replace Linac2 as provider of protons to the CERN complex as of 2021. Commissioning to the final beam energy of 160 MeV was achieved by the end of 2016. Linac4 is presently under-going a reliability and beam quality test run to meet the beam specifications and relative tolerances requested by the PSB. In this paper we will detail the main challenges left before achieving nominal operation and we will re-port on the commissioning steps still needed for final validation of machine readiness before start of operation. PB - JACoW Publishing CP - Geneva, Switzerland SP - 14 EP - 19 KW - linac KW - MMI KW - operation KW - injection KW - emittance DA - 2018/07 PY - 2018 SN - 978-3-95450-202-8 DO - 10.18429/JACoW-HB2018-MOA1PL03 UR - http://jacow.org/hb2018/papers/moa1pl03.pdf ER -