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Copyright © 2016 CC-BY-3.0 and by the respective authors. The ISIS spallation neutron and muon source has been in operation since 1984. The accelerator complex consists of an H- ion source, 665 keV RFQ, 70 MeV linac, 800 MeV proton synchrotron and associated beam transfer lines. The facility currently delivers ~2.8x1013 protons per pulse (ppp) at 50 Hz, which is shared between two target stations. High intensity performance and operation are dominated by the need to minimise and control beam loss, which is key to sustainable machine operation, allowing essential hands-on maintenance. The facility has had several upgrades including an RFQ, Second Harmonic RF system, beam diagnostic DAQ improving beam control and a Second Target station. Future upgrades include a ring damping system and MEBT injection chopper. Operational experience of ISIS and its upgrades are discussed as well as current and future R&D projects.


Conference paper

Publication Date



333 - 337