Geant4 simulation of the PSI LEM beam line: energy loss and muonium formation in thin foils and the impact of unmoderated muons on the μSR spectrometer. (16th October 2015) - Khaw, K.S.; Antognini, A.; Crivelli, P.; Kirch, K.; Morenzoni, E.; Salman, Z.; Suter, A.; Prokscha, T.