Replacement of muon beamline magnets

The ISIS muon facility has been operating since 1987, and some of the muon beamline magnets were second-hand then – they are now over 50 years old in some cases. During the long shutdown in 2014/5, the quadrupoles near the muon target will be replaced.

This is a complicated project, involving removing the existing magnets and beamline, which have not been touched since the late 1980’s, and replacing them with new magnets redesigned for a new muon beamline optic.  The new magnets being installed near the muon target were designed by ISIS and built by STFC’s Technology Department. In a later shutdown, all of the rest of the beamline focusing magnets will be renewed and the bending magnet coils replaced. As well as ensuring the life of the beamline well into the future, this will also result in a factor 2-3 increase in muon flux for the muon instruments.

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