TY - JOUR AU - Hudson, Lawrence AU - Chantler, C AU - Kinnane, Mark AU - Gillaspy, John AU - A.T., AU - Smale, L AU - Henins, Albert AU - Tan, Joseph AU - Kimpton, J AU - Takacs, E AU - Makonyi, K AU - Pomeroy, Joshua C2 - Physical Review Letters DA - 2012-10-10 LA - en PB - Physical Review Letters PY - 2012 TI - Testing Three-body Quantum Electrodynamics with Trapped Ti-20 Ions: Evidence for a Z-Dependent Divergence between Experiment and Calculation UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=911171 ER -