PSI slow muon beam line Surface u beam E~4 Mev MCP1 ■D Mirror Spin Einzel lens Einzel lens (LN:cooled) Moderator Trigger Detector (C-foil) ☒ ☒ Einzel lens Low Energy u beam (LN:cooled) 0-30 kev Gate Valye Conical Helmholtz Coils lens Sample or MCP Sample Cryostat PSI slow muon beam line