A 100 , 062504 ( 2019 ) Measurement of the 7 p 2 P 3 / 2 state branching fractions in Ra +

M. Fan ,1,2 C. A. Holliman,1,2 S. G. Porsev ,3,4 M. S. Safronova,3,5 and A. M. Jayich 1,2,* 1Department of Physics, University of California, Santa Barbara, California 93106, USA 2California Institute for Quantum Entanglement, Santa Barbara, California 93106, USA 3Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA 4Petersburg Nuclear Physics Institute of NRC “Kurchatov Institute,” Gatchina, Leningrad District 188300, Russia 5Joint Quantum Institute, National Institute of Standards and Technology and the University of Maryland, College Park, Maryland 20742, USA