Author(s): Paul Jansen, Luca Semeria, Laura Esteban Hofer, Simon Scheidegger, Josef A. Agner, Hansjürg Schmutz, and Frédéric Merkt
The experimental accuracy needed to reveal quantum-electrodynamics corrections in a three-electron molecule is achieved. These measurements represent a benchmark and test for future ab initio calculations.
[Phys. Rev. Lett. 115, 133202] Published Wed Sep 23, 2015