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TY - CONF AU - Noll, D. AU - Bellodi, G. AU - Bertolo, S.B. AU - Di Lorenzo, F.D.L. AU - Lallement, J.-B. AU - Lettry, J. AU - Lombardi, A.M. AU - Mastrostefano, C.M. AU - Mikulec, B. AU - O'Neil, M. AU - Schuh, S. AU - Wegner, R. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - Linac4: Reliability Run Results and Source Extraction Studies J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - Linac4, a 160 MeV, 352.2 MHz linear accelerator, has been fully commissioned and will take its place as new injector to the CERN chain of accelerators during the long shutdown (LS2) in 2019-2020. In the past year, it has been continuously providing beam during a test run to assess its reliability in view of the connection to the LHC injector chain. The target reliability of more than 90% has been demonstrated during the accumulated nine months of run in 2017 and 2018. The beam quality at 160 MeV is suitable for producing all beams for the CERN physics program of today. Nevertheless, the limited peak current of 30mA might be a limitation for future high intensity programs. The bottleneck has been identified at the low energy end of the accelerator. In the meantime, beam extraction and low energy beam transport studies are ongoing at a dedicated test stand with the goal to reach beam currents from the pre-injector up to 45 mA. We will present the status of the modelling of the pre-injector and possible solutions to reach higher beam currents from the RFQ along with results from the reliability run. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1090 EP - 1093 KW - emittance KW - extraction KW - linac KW - simulation KW - plasma DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-MOPTS096 UR - http://jacow.org/ipac2019/papers/mopts096.pdf ER -