Speaker
Savely Karshenboim
(LMU & MPQ & Pulkovo Obs.)
Description
I will discuss the present status of the determination of the proton radius. Starting with 2010 there is a controversy within the results obtained from electron-proton scattering, hydrogen and deuterium spectroscopy and spectroscopy of muonic hydrogen and deuterium.I will briefly review the situation and its recent development.