TY - JOUR AU - Lawrence Hudson AU - C Chantler AU - Mark Kinnane AU - John Gillaspy AU - A.T. AU - L Smale AU - Albert Henins AU - Joseph Tan AU - J Kimpton AU - E Takacs AU - K Makonyi AU - Joshua Pomeroy 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 -