High precision hyperfine measurements in Bismuth challenge bound-state strong-field QED

Laser spectroscopy measurement of the 2s-hyperfine splitting in lithium-like bismuth

(2017) Rodolfo Sánchez et al.   JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Laser spectroscopy of muonic deuterium

(2016) R. Pohl et al.   SCIENCE

An improved value for the hyperfine splitting of hydrogen-like209Bi82+

(2015) Johannes Ullmann et al.   JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Performance of a Wideband 200-kV HVDC Reference Divider Module

(2014) Jari Hallstrom et al.   IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

Observation of the hyperfine transition in lithium-like bismuthBi20980+: Towards a test of QED in strong magnetic fields

(2014) Matthias Lochmann et al.   PHYSICAL REVIEW A

Detection system for forward emitted photons at the Experimental Storage Ring at GSI

(2013) V Hannen et al.   Journal of Instrumentation

Laser cooling of externally produced Mg ions in a Penning trap for sympathetic cooling of highly charged ions

(2013) Z. Andelkovic et al.   PHYSICAL REVIEW A

g-factor measurement of hydrogenlike28Si13+as a challenge to QED calculations

(2013) S. Sturm et al.   PHYSICAL REVIEW A

Experimental access to higher-order Zeeman effects by precision spectroscopy of highly charged ions in a Penning trap

(2013) D. von Lindenfels et al.   PHYSICAL REVIEW A

Test of Many-Electron QED Effects in the Hyperfine Splitting of Heavy High-ZIons

(2012) A. V. Volotka et al.   PHYSICAL REVIEW LETTERS

The size of the proton

(2010) Randolf Pohl et al.   NATURE

New Measurement of the Electron Magnetic Moment and the Fine Structure Constant

(2008) D. Hanneke et al.   PHYSICAL REVIEW LETTERS