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Persistent URL http://purl.org/net/epubs/work/61131
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Record Id 61131
Title Stripping foil simulations for ISIS Injection Upgrades
Abstract ISIS, the pulsed neutron and muon spallation source located at the Rutherford Appleton Laboratory (UK), currently delivers a mean beam power of 0.2 MW to target. A 70 MeV H- linear accelerator feeds into a 50 Hz, 800 MeV proton synchrotron (through a 0.3 um aluminium oxide stripping foil), accelerating up to 3E13 protons per pulse. Potential injection scheme upgrades, aiming to raise average beam power towards 0.5 MW with a new 180 MeV linear accelerator, are being studied. Detailed consideration of the injection stripping foil forms a key element of this study: scattering, stripping efficiency and foil lifetime are significant factors in determining loss levels, which consequently limit operational intensity. This paper describes the identification of a suitable stripping foil specification for successful 180 MeV H- charge exchange injection into the ISIS synchrotron. A simulation code was developed to investigate electron stripping, scattering events and temperature rises, in order to witness their subsequent effect on foil lifetime. ANSYS models were also used to investigate the heat transfer and temperature distribution within thin foils.
Organisation ISIS , ISIS-ACCEL , STFC
Keywords Physics , ISIS
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Language English (EN)
Type Details URI(s) Local file(s) Year
Paper In Conference Proceedings In 2nd International Particle Accelerator Conference (IPAC 11), San Sebastian, Spain, 4-9 Sep 2011, (2011). http://accelconf.…1/papers/thps057.pdf 2011