Evan Groopman, a research physicist, prepares a microscopic uranium particle sample to be measured in the NAUTILUS instrument in the Accelerator Mass Spectrometry Laboratory at the U.S. Naval Research Laborator More
Evan Groopman, a research physicist, inserts Nuclear Signatures Inter-laboratory Measurement Evaluation Program (NUSIMEP-9) uranium particles on a carbon planchette into the NAUTILUS to analyze the uranium isot More
Evan Groopman (left), a research physicist and Dr. David Willingham (right), a research chemist and head of the Accelerator Mass Spectrometry Section, gather in front of the NAUTILUS instrument in the Accelerat More
Dr. David Willingham (left), a research chemist and head of the Accelerator Mass Spectrometry Section, and Evan Groopman (right), a research physicist, gather in front of the NAUTILUS instrument in the Accelera More
David Willingham and Evan Groopman’s research was featured on the front cover of the Nov. 21, 2018 issue of Analyst for their paper entitled “Direct, uncorrected, molecule-free analysis of 236U from uranium-bea More