TY - JOUR AU - Aaron Hankin AU - Ethan Clements AU - Huang Yao AU - Samuel Brewer AU - Jwo-Sy Chen AU - Chin-Wen Chou AU - David Hume AU - David Leibrandt C2 - Physical Review Letters DA - 2019-09-30 04:09:00 LA - en PB - Physical Review Letters PY - 2019 TI - Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=927468 ER -