Charge transfer from the ground state of muonic hydrogen to 4He at room temperatureS. Tresch, R. Jacot-Guillarmod, F. Mulhauser, L. A. Schaller, L. Schellenberg, H. Schneuwly, Y.-A. Thalmann and A. WerthmüllerEur. Phys. J. D, 2 2 (1998) 93-97DOI: https://doi.org/10.1007/s100530050117