Title: The present status of the"proton radius puzzle"

Speaker: Prof. Savely Karshenboim (Max-Planck-Institut fur Quantenoptik & Pulkovo Observatory)

Time: 10:00AM, Sept 22 (Tuesday)

Place: Theoretical Physics Division，319

Abstract:

The present status of the "proton radius puzzle", a contradiction in determination of the proton radius from hydrogen, muonic hydrogen and e-p scattering. Sometimes it is featured as the most strong contradiction within the Standard model.