Muon accelerators

A muon accelerator is required to have very large acceptance and very quick acceleration. Recent studies show that a Fixed Field Alternating Gradient (in particular a non-scaling FFAG) is one of the most promising candidates for a muon accelerator as a building block for a neutrino factory. There are, however, some unresolved problems which should be studied in more detail. We will talk about why a FFAG draws more attention than other types of accelerators such as a linear accelerator or a RLA as a muon accelerator. Present R&D status and beam dynamics issues will be also discussed.