Université de Fribourg

Status of the muonic hydrogen Lamb-shift experiment

Nebel, T. ; Amaro, F. D. ; Antognini, A. ; Biraben, F. ; Cardoso, J. M. R. ; Conde, C. A. N. ; Dax, A. ; Dhawan, S. ; Fernandes, L. M. P. ; Giesen, A. ; Hänsch, T. W. ; Indelicato, P. ; Julien, L. ; Knowles, Paul E. ; Kottmann, F. ; Le Bigot, E. ; Liu, Y.-W. ; Lopes, J. A. M. ; Ludhova, Livia ; Monteiro, C. M. B. ; Mulhauser, Françoise ; Nez, F. ; Pohl, R. ; Rabinowitz, P. ; Santos, J. M. F. dos ; Schaller, Lukas A. ; Schuhmann, K. ; Schwob, C. ; Taqqu, D. ; Veloso, J. F. C. A.

In: Canadian Journal of Physics, 2007, vol. 85, no. 5, p. 469-478

The Lamb-shift experiment in muonic hydrogen (μ⁻ p) aims to measure the energy difference between the 2SF=11/2-2PF=23/2 atomic levels to a precision of 30 ppm. This would allow the r.m.s. proton charge radius rp to be deduced to a precision of 10⁻³ and open a way to check bound-state quantum electrodynamics (QED) to...